From 415ec012646e90285804ab0d5abbd7210c914586 Mon Sep 17 00:00:00 2001 From: Keyvan Date: Tue, 11 Jan 2011 19:06:12 +0100 Subject: [PATCH] version 2.2 --- changelog.txt | 28 + config-sample.php | 130 + css/niceforms-default.css | 92 + ftr_compatibility_test.php | 362 + images/agplv3.png | Bin 0 -> 4547 bytes images/background.png | Bin 0 -> 34466 bytes images/icon_feed.png | Bin 0 -> 1255 bytes images/niceforms/0.png | Bin 0 -> 110 bytes images/niceforms/button-left.png | Bin 0 -> 661 bytes images/niceforms/button-right.png | Bin 0 -> 711 bytes images/niceforms/button.png | Bin 0 -> 247 bytes images/niceforms/checkbox.png | Bin 0 -> 701 bytes images/niceforms/file.png | Bin 0 -> 1876 bytes images/niceforms/input-left.png | Bin 0 -> 578 bytes images/niceforms/input-right.png | Bin 0 -> 581 bytes images/niceforms/input.png | Bin 0 -> 260 bytes images/niceforms/radio.png | Bin 0 -> 1013 bytes images/niceforms/select-left.png | Bin 0 -> 263 bytes images/niceforms/select-right.png | Bin 0 -> 869 bytes images/niceforms/textarea-bl.png | Bin 0 -> 265 bytes images/niceforms/textarea-br.png | Bin 0 -> 488 bytes images/niceforms/textarea-l-off.png | Bin 0 -> 168 bytes images/niceforms/textarea-l-over.png | Bin 0 -> 167 bytes images/niceforms/textarea-r-off.png | Bin 0 -> 266 bytes images/niceforms/textarea-r-over.png | Bin 0 -> 270 bytes images/niceforms/textarea-tl.png | Bin 0 -> 269 bytes images/niceforms/textarea-tr.png | Bin 0 -> 488 bytes images/tekzilla.jpg | Bin 0 -> 58068 bytes images/title.png | Bin 0 -> 3329 bytes index.html | 144 + js/jquery-1.3.2.min.js | 19 + js/niceforms.js | 576 + libraries/Zend/Cache.php | 250 + libraries/Zend/Cache/Backend.php | 266 + libraries/Zend/Cache/Backend/Apc.php | 355 + libraries/Zend/Cache/Backend/BlackHole.php | 250 + .../Zend/Cache/Backend/ExtendedInterface.php | 126 + libraries/Zend/Cache/Backend/File.php | 1006 ++ libraries/Zend/Cache/Backend/Interface.php | 99 + libraries/Zend/Cache/Backend/Memcached.php | 504 + libraries/Zend/Cache/Backend/Sqlite.php | 679 + libraries/Zend/Cache/Backend/Static.php | 566 + libraries/Zend/Cache/Backend/Test.php | 412 + libraries/Zend/Cache/Backend/TwoLevels.php | 536 + libraries/Zend/Cache/Backend/Xcache.php | 216 + libraries/Zend/Cache/Backend/ZendPlatform.php | 317 + libraries/Zend/Cache/Backend/ZendServer.php | 207 + .../Zend/Cache/Backend/ZendServer/Disk.php | 100 + .../Zend/Cache/Backend/ZendServer/ShMem.php | 100 + libraries/Zend/Cache/Core.php | 757 + libraries/Zend/Cache/Exception.php | 32 + libraries/Zend/Cache/Frontend/Capture.php | 87 + libraries/Zend/Cache/Frontend/Class.php | 254 + libraries/Zend/Cache/Frontend/File.php | 209 + libraries/Zend/Cache/Frontend/Function.php | 180 + libraries/Zend/Cache/Frontend/Output.php | 106 + libraries/Zend/Cache/Frontend/Page.php | 402 + libraries/Zend/Cache/Manager.php | 298 + libraries/Zend/Exception.php | 95 + libraries/Zend/Loader.php | 329 + libraries/feedwriter/FeedItem.php | 167 + libraries/feedwriter/FeedWriter.php | 430 + .../humble-http-agent/HumbleHttpAgent.php | 247 + libraries/iri/LICENSE | 26 + libraries/iri/iri.php | 1397 ++ libraries/readability/JSLikeHTMLElement.php | 110 + libraries/readability/Readability.php | 1070 ++ .../examples/JSLikeHTMLElement.php | 20 + .../readability/examples/Readability.php | 41 + libraries/simplepie/LICENSE.txt | 26 + libraries/simplepie/README.txt | 30 + .../COMPATIBILITY README.txt | 7 + .../sp_compatibility_test.php | 316 + libraries/simplepie/create.php | 163 + libraries/simplepie/idn/LICENCE | 502 + libraries/simplepie/idn/ReadMe.txt | 123 + .../simplepie/idn/idna_convert.class.php | 969 + libraries/simplepie/idn/npdata.ser | 1 + libraries/simplepie/simplepie.class.php | 14539 ++++++++++++++++ license.txt | 661 + makefulltextfeed.php | 577 + test.txt | 0 82 files changed, 31511 insertions(+) create mode 100644 changelog.txt create mode 100644 config-sample.php create mode 100644 css/niceforms-default.css create mode 100644 ftr_compatibility_test.php create mode 100644 images/agplv3.png create mode 100644 images/background.png create mode 100644 images/icon_feed.png create mode 100644 images/niceforms/0.png create mode 100644 images/niceforms/button-left.png create mode 100644 images/niceforms/button-right.png create mode 100644 images/niceforms/button.png create mode 100644 images/niceforms/checkbox.png create mode 100644 images/niceforms/file.png create mode 100644 images/niceforms/input-left.png create mode 100644 images/niceforms/input-right.png create mode 100644 images/niceforms/input.png create mode 100644 images/niceforms/radio.png create mode 100644 images/niceforms/select-left.png create mode 100644 images/niceforms/select-right.png create mode 100644 images/niceforms/textarea-bl.png create mode 100644 images/niceforms/textarea-br.png create mode 100644 images/niceforms/textarea-l-off.png create mode 100644 images/niceforms/textarea-l-over.png create mode 100644 images/niceforms/textarea-r-off.png create mode 100644 images/niceforms/textarea-r-over.png create mode 100644 images/niceforms/textarea-tl.png create mode 100644 images/niceforms/textarea-tr.png create mode 100644 images/tekzilla.jpg create mode 100644 images/title.png create mode 100644 index.html create mode 100644 js/jquery-1.3.2.min.js create mode 100644 js/niceforms.js create mode 100644 libraries/Zend/Cache.php create mode 100644 libraries/Zend/Cache/Backend.php create mode 100644 libraries/Zend/Cache/Backend/Apc.php create mode 100644 libraries/Zend/Cache/Backend/BlackHole.php create mode 100644 libraries/Zend/Cache/Backend/ExtendedInterface.php create mode 100644 libraries/Zend/Cache/Backend/File.php create mode 100644 libraries/Zend/Cache/Backend/Interface.php create mode 100644 libraries/Zend/Cache/Backend/Memcached.php create mode 100644 libraries/Zend/Cache/Backend/Sqlite.php create mode 100644 libraries/Zend/Cache/Backend/Static.php create mode 100644 libraries/Zend/Cache/Backend/Test.php create mode 100644 libraries/Zend/Cache/Backend/TwoLevels.php create mode 100644 libraries/Zend/Cache/Backend/Xcache.php create mode 100644 libraries/Zend/Cache/Backend/ZendPlatform.php create mode 100644 libraries/Zend/Cache/Backend/ZendServer.php create mode 100644 libraries/Zend/Cache/Backend/ZendServer/Disk.php create mode 100644 libraries/Zend/Cache/Backend/ZendServer/ShMem.php create mode 100644 libraries/Zend/Cache/Core.php create mode 100644 libraries/Zend/Cache/Exception.php create mode 100644 libraries/Zend/Cache/Frontend/Capture.php create mode 100644 libraries/Zend/Cache/Frontend/Class.php create mode 100644 libraries/Zend/Cache/Frontend/File.php create mode 100644 libraries/Zend/Cache/Frontend/Function.php create mode 100644 libraries/Zend/Cache/Frontend/Output.php create mode 100644 libraries/Zend/Cache/Frontend/Page.php create mode 100644 libraries/Zend/Cache/Manager.php create mode 100644 libraries/Zend/Exception.php create mode 100644 libraries/Zend/Loader.php create mode 100644 libraries/feedwriter/FeedItem.php create mode 100644 libraries/feedwriter/FeedWriter.php create mode 100644 libraries/humble-http-agent/HumbleHttpAgent.php create mode 100644 libraries/iri/LICENSE create mode 100644 libraries/iri/iri.php create mode 100644 libraries/readability/JSLikeHTMLElement.php create mode 100644 libraries/readability/Readability.php create mode 100644 libraries/readability/examples/JSLikeHTMLElement.php create mode 100644 libraries/readability/examples/Readability.php create mode 100644 libraries/simplepie/LICENSE.txt create mode 100644 libraries/simplepie/README.txt create mode 100644 libraries/simplepie/compatibility_test/COMPATIBILITY README.txt create mode 100644 libraries/simplepie/compatibility_test/sp_compatibility_test.php create mode 100644 libraries/simplepie/create.php create mode 100644 libraries/simplepie/idn/LICENCE create mode 100644 libraries/simplepie/idn/ReadMe.txt create mode 100644 libraries/simplepie/idn/idna_convert.class.php create mode 100644 libraries/simplepie/idn/npdata.ser create mode 100644 libraries/simplepie/simplepie.class.php create mode 100644 license.txt create mode 100644 makefulltextfeed.php delete mode 100644 test.txt diff --git a/changelog.txt b/changelog.txt new file mode 100644 index 0000000..9ab591d --- /dev/null +++ b/changelog.txt @@ -0,0 +1,28 @@ +FiveFilters.org: Full-Text RSS +http://fivefilters.org/content-only/ +CHANGELOG +------------------------------------ + +2.2 (2010-10-30) + - Character-encoding detection improved (minor change) + - Rewriting of relative URLs improved (tracks redirect URLs) + - Minor changes to prevent errors in certain hosting environments + - Compatibility test file updated with more tests + +2.1 (2010-09-13) + - Better content extraction (using PHP Readability 1.7.1) + - Parallel HTTP requests (using Humble HTTP Agent) + - Auto loading of necessary classes + - Rewriting of relative URLs (using IRI) + - Added compatibility test file (to check if server meets requirements) + - Character-encoding support improved (using SimplePie) + +1.5 (2010-05-30) + - Support for PHP 5.3 (thanks Murilo!) + - Character-encoding support improved (favours iconv over mb_convert_encoding) + +1.0 (2010-03-05) + - Better support for different character-encodings + - Auto-cleanup of cache files + - Very basic option for load distribution (if you're planning on installing the code on multiple servers) + - Separate config file (see config-sample.php) \ No newline at end of file diff --git a/config-sample.php b/config-sample.php new file mode 100644 index 0000000..0336ecb --- /dev/null +++ b/config-sample.php @@ -0,0 +1,130 @@ +enabled = true; + +// Restrict service +// ---------------------- +// Set this to true if you'd like certain features +// to be available only to key holders. +// Affected features: +// * Link handling (disabled for non-key holders if set to true) +// * Cache time (20 minutes for non-key holders if set to true) +$options->restrict = false; + +// Default entries (without API key) +// ---------------------- +// The number of feed items to process when no API key is supplied. +$options->default_entries = 5; + +// Max entries (without API key) +// ---------------------- +// The maximum number of feed items to process when no API key is supplied. +$options->max_entries = 10; + +// Rewrite relative URLs +// ---------------------- +// With this enabled relative URLs found in the extracted content +// block are automatically rewritten as absolute URLs. +// Set to false if you want to preserve relative URLs appearing in +// the extracted content block. +$options->rewrite_relative_urls = true; + +// Enable caching +// ---------------------- +// Enable this if you'd like to cache results +// for 10 minutes. Initially it's best +// to keep this disabled to make sure everything works +// as expected. +$options->caching = false; + +// Cache directory +// ---------------------- +// Only used if caching is true +$options->cache_dir = dirname(__FILE__).'/cache'; + +// Message to prepend (without API key) +// ---------------------- +// HTML to insert at the beginning of each feed item when no API key is supplied. +$options->message_to_prepend = ''; + +// Message to append (without API key) +// ---------------------- +// HTML to insert at the end of each feed item when no API key is supplied. +$options->message_to_append = ''; + +// URLs to block +// ---------------------- +// List of URLs (or parts of a URL) which the service should not accept +$options->blocked_urls = array(); + +// Error message when content extraction fails (without API key) +// ---------------------- +$options->error_message = '[unable to retrieve full-text content]'; + +///////////////////////////////////////////////// +/// ADVANCED OPTIONS //////////////////////////// +///////////////////////////////////////////////// + +// API keys +// ---------------------- +// NOTE: You do not need an API key from fivefilters.org to run your own +// copy of the code. This is here if you'd like to offer others an API key +// to access _your_ copy. +// Keys let you group users - those with a key and those without - and +// restrict access to the service to those without a key. +// If you want everyone to access the service in the same way, you can +// leave the array below empty and ignore the API key options further down. +// The options further down in this file will allow you to specify +// how the service should behave in each mode. +$options->api_keys = array(); + +// Default entries (with API key) +// ---------------------- +// The number of feed items to process when a valid API key is supplied. +$options->default_entries_with_key = 5; + +// Max entries (with API key) +// ---------------------- +// The maximum number of feed items to process when a valid API key is supplied. +$options->max_entries_with_key = 10; + +// Message to prepend (with API key) +// ---------------------- +// HTML to insert at the beginning of each feed item when a valid API key is supplied. +$options->message_to_prepend_with_key = ''; + +// Message to append (with API key) +// ---------------------- +// HTML to insert at the end of each feed item when a valid API key is supplied. +$options->message_to_append_with_key = ''; + +// Error message when content extraction fails (with API key) +// ---------------------- +$options->error_message_with_key = '[unable to retrieve full-text content]'; + +// Alternative Full-Text RSS service URL +// ---------------------- +// This option is to offer very simple load distribution for the service. +// If you've set up another instance of the Full-Text RSS service on a different +// server, you can enter its full URL here. +// E.g. 'http://my-other-server.org/full-text-rss/makefulltextfeed.php' +// If you specify a URL here, 50% of the requests to makefulltextfeed.php on +// this server will be redirected to the URL specified here. +$options->alternative_url = ''; + +// Cache directory level +// ---------------------- +// Spread cache files over different directories (only used if caching is enabled). +// Used to prevent large number of files in one directory. +// This corresponds to Zend_Cache's hashed_directory_level +// see http://framework.zend.com/manual/en/zend.cache.backends.html +// It's best not to change this if you're unsure. +$options->cache_directory_level = 0; + +?> \ No newline at end of file diff --git a/css/niceforms-default.css b/css/niceforms-default.css new file mode 100644 index 0000000..060b867 --- /dev/null +++ b/css/niceforms-default.css @@ -0,0 +1,92 @@ +/*Defaults Styling*/ +body {font:12px/17px Arial, Helvetica, sans-serif; color:#333; background:#ccc; padding:40px 20px 20px 20px;} +fieldset {background:#f2f2e6; padding:10px; border:1px solid #fff; border-color:#fff #666661 #666661 #fff; margin-bottom:36px; width:600px;} +input, textarea, select {font:12px/12px Arial, Helvetica, sans-serif; padding:0;} +fieldset.action {background:#9da2a6; border-color:#e5e5e5 #797c80 #797c80 #e5e5e5; margin-top:-20px;} +legend {background:#bfbf30; color:#fff; font:17px/21px Calibri, Arial, Helvetica, sans-serif; padding:0 10px; margin:-26px 0 0 -11px; font-weight:bold; border:1px solid #fff; border-color:#e5e5c3 #505014 #505014 #e5e5c3;} +label {font-size:11px; font-weight:bold; color:#666;} +label.opt {font-weight:normal;} +dl {clear:both;} +dt {float:left; text-align:right; width:90px; line-height:25px; margin:0 10px 10px 0;} +dd {float:left; width:475px; line-height:25px; margin:0 0 10px 0;} +#footer {font-size:11px;} + +#container {width:700px; margin:0 auto;} + +/*########################################## +Script: Niceforms 2.0 +Theme: StandardBlue +Author: Lucian Slatineanu +URL: http://www.emblematiq.com/ +##########################################*/ + +/*Text inputs*/ +.NFText {border:none; vertical-align:middle; font:12px/15px Arial, Helvetica, sans-serif; background:none;} +.NFTextCenter {height:15px; background:url(../images/niceforms/input.png) repeat-x 0 0; padding:3px 0; margin:0; float:left; line-height:15px;} +.NFTextLeft, .NFTextRight {width:7px; height:21px; vertical-align:middle; float:left;} +.NFTextLeft {background:url(../images/niceforms/input-left.png) no-repeat 0 0;} +.NFTextRight {background:url(../images/niceforms/input-right.png) no-repeat 0 0;} +/*Radio*/ +.NFRadio {cursor:pointer; position:absolute; display:block; width:13px; height:13px; border:1px solid transparent; background:url(../images/niceforms/radio.png) no-repeat 0 0; z-index:2;} +/*Checkbox*/ +.NFCheck {cursor:pointer; position:absolute; width:12px; height:12px; border:1px solid transparent; background:url(../images/niceforms/checkbox.png) no-repeat 0 0; z-index:2;} +/*Buttons*/ +.NFButton {width:auto; height:26px; color:#fff; padding:0 2px; background:url(../images/niceforms/button.png) repeat-x 0 0; cursor:pointer; border:none; font:10px/26px Tahoma, Arial, Helvetica, sans-serif; font-weight:bold; text-transform:uppercase; letter-spacing:1px; vertical-align:middle;} +.NFButtonLeft, .NFButtonRight {width:6px; height:26px; vertical-align:middle;} +.NFButtonLeft {background:url(../images/niceforms/button-left.png) no-repeat 0 0;} +.NFButtonRight {background:url(../images/niceforms/button-right.png) no-repeat 0 0;} +/*Textareas*/ +.NFTextarea {border:none; background:none; font:12px/12px Arial, Helvetica, sans-serif; margin:0;} +.NFTextareaTop, .NFTextareaBottom {height:5px; clear:both; float:none; padding-right:10px;} +.NFTextareaTop {background:url(../images/niceforms/textarea-tr.png) no-repeat 100% 0;} +.NFTextareaBottom {background:url(../images/niceforms/textarea-br.png) no-repeat 100% 0; margin-bottom:5px;} +.NFTextareaTopLeft, .NFTextareaBottomLeft {width:5px; height:5px;} +.NFTextareaTopLeft {background:#f2f2e6 url(../images/niceforms/textarea-tl.png) no-repeat 0 0;} +.NFTextareaBottomLeft {background:#f2f2e6 url(../images/niceforms/textarea-bl.png) no-repeat 0 0;} +.NFTextareaLeft, .NFTextareaRight, .NFTextareaLeftH, .NFTextareaRightH {float:left; padding-bottom:5px;} +.NFTextareaLeft, .NFTextareaLeftH {width:5px;} +.NFTextareaLeft {background:url(../images/niceforms/textarea-l-off.png) repeat-y 0 0;} +.NFTextareaLeftH {background:url(../images/niceforms/textarea-l-over.png) repeat-y 0 0;} +.NFTextareaRight, .NFTextareaRightH {padding-right:5px; padding-bottom:0;} +.NFTextareaRight {background:url(../images/niceforms/textarea-r-off.png) repeat-y 100% 0;} +.NFTextareaRightH {background:url(../images/niceforms/textarea-r-over.png) repeat-y 100% 100%;} +/*Files*/ +.NFFileButton {padding-bottom:0; vertical-align:bottom; cursor:pointer; background:url(../images/niceforms/file.png) no-repeat 0 0; width:60px; height:21px;} +.NFFile {position:relative; margin-bottom:5px;} +.NFFile input.NFhidden {position:relative; filter:alpha(opacity=0); opacity:0; z-index:2; cursor:pointer; text-align:left;} +.NFFileNew {position:absolute; top:0px; left:0px; z-index:1;} +/*Selects*/ +.NFSelect {height:21px; position:absolute; border:1px solid transparent;} +.NFSelectLeft {float:left; width:3px; height:21px; background:url(../images/niceforms/select-left.png) no-repeat 0 0; vertical-align:middle;} +.NFSelectRight {height:21px; width:auto; background:url(../images/niceforms/select-right.png) no-repeat 100% 0; cursor:pointer; font:12px/21px Arial, Helvetica, sans-serif; color:#fff; padding-left:3px; margin-left:3px;} +.NFSelectTarget {position:absolute; background:none; margin-left:-13px; margin-top:18px; z-index:3; left:0; top:0; padding-bottom:13px;} +.NFSelectOptions {position:relative; background:#707175; margin-left:16px; margin-top:0; list-style:none; padding:4px 0; color:#fff; font:11px/13px Arial, Helvetica, sans-serif; z-index:4; max-height:200px; overflow-y:auto; overflow-x:hidden; left:0; top:0;} +.NFSelectOptions li {padding-bottom:1px;} +.NFSelectOptions a {display:block; text-decoration:none; color:#fff; padding:2px 3px; background:none;} +.NFSelectOptions a.NFOptionActive {background:#464646;} +.NFSelectOptions a:hover {background:#333;} +/*Multiple Selects*/ +.NFMultiSelect {border:0; background:none; margin:0;} +.NFMultiSelectTop, .NFMultiSelectBottom {height:5px; clear:both; float:none; padding-right:10px;} +.NFMultiSelectTop {background:url(../images/niceforms/textarea-tr.png) no-repeat 100% 0;} +.NFMultiSelectBottom {background:url(../images/niceforms/textarea-br.png) no-repeat 100% 0; margin-bottom:5px;} +.NFMultiSelectTopLeft, .NFMultiSelectBottomLeft {width:5px; height:5px;} +.NFMultiSelectTopLeft {background:#f2f2e6 url(../images/niceforms/textarea-tl.png) no-repeat 0 0;} +.NFMultiSelectBottomLeft {background:#f2f2e6 url(../images/niceforms/textarea-bl.png) no-repeat 0 0;} +.NFMultiSelectLeft, .NFMultiSelectRight, .NFMultiSelectLeftH, .NFMultiSelectRightH {float:left; padding-bottom:5px;} +.NFMultiSelectLeft, .NFMultiSelectLeftH {width:5px;} +.NFMultiSelectLeft {background:url(../images/niceforms/textarea-l-off.png) repeat-y 0 0;} +.NFMultiSelectLeftH {background:url(../images/niceforms/textarea-l-over.png) repeat-y 0 0;} +.NFMultiSelectRight, .NFMultiSelectRightH {padding-right:5px; padding-bottom:0;} +.NFMultiSelectRight {background:url(../images/niceforms/textarea-r-off.png) repeat-y 100% 0;} +.NFMultiSelectRightH {background:url(../images/niceforms/textarea-r-over.png) repeat-y 100% 0;} + +/*Focused*/ +.NFfocused {border:1px dotted #666;} +/*Hovered*/ +.NFh {background-position:0 100%;} +.NFhr {background-position:100% 100%;} +/*Hidden*/ +.NFhidden {opacity:0; z-index:-1; position:relative;} +/*Safari*/ +select, input, textarea, button {outline:none; resize:none;} \ No newline at end of file diff --git a/ftr_compatibility_test.php b/ftr_compatibility_test.php new file mode 100644 index 0000000..cc34ba5 --- /dev/null +++ b/ftr_compatibility_test.php @@ -0,0 +1,362 @@ +=')); +$pcre_ok = extension_loaded('pcre'); +$zlib_ok = extension_loaded('zlib'); +$mbstring_ok = extension_loaded('mbstring'); +$iconv_ok = extension_loaded('iconv'); +$tidy_ok = function_exists('tidy_parse_string'); +$curl_ok = function_exists('curl_exec'); +$http_ok = (extension_loaded('http') && class_exists('HttpRequestPool')); +$allow_url_fopen_ok = (bool)ini_get('allow_url_fopen'); +$redirect_ok = ($allow_url_fopen_ok && file_get_contents($redirect_url) == 'Redirect works'); + +if (extension_loaded('xmlreader')) { + $xml_ok = true; +} elseif (extension_loaded('xml')) { + $parser_check = xml_parser_create(); + xml_parse_into_struct($parser_check, '&', $values); + xml_parser_free($parser_check); + $xml_ok = isset($values[0]['value']); +} else { + $xml_ok = false; +} + +header('Content-type: text/html; charset=UTF-8'); + +?> + + + +<?php echo $app_name; ?>: Server Compatibility Test + + + + + + + +
+
+ +
+

: Compatibility Test

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
TestShould BeWhat You Have
PHP5.2.0 or higher
XMLEnabled
PCREEnabled
ZlibEnabled
mbstringEnabled
iconvEnabled
TidyEnabled
cURLEnabled
HttpRequestPoolEnabled
allow_url_fopenEnabled
HTTP RedirectsEnabled
+
+ +
+

What does this mean?

+
    + +
  1. You have everything you need to run properly! Congratulations!
    2. + + +
  2. PHP: You are running a supported version of PHP. No problems here.
    3. + +
  3. XML: You have XMLReader support or a version of XML support that isn't broken installed. No problems here.
    4. + +
  4. PCRE: You have PCRE support installed. No problems here.
    5. + + +
  5. allow_url_fopen: You have allow_url_fopen enabled. No problems here.
    6. + + +
  6. Zlib: You have Zlib enabled. This allows SimplePie to support GZIP-encoded feeds. No problems here.
    7. + +
  7. Zlib: The Zlib extension is not available. SimplePie will ignore any GZIP-encoding, and instead handle feeds as uncompressed text.
    8. + + + +
  8. mbstring and iconv: You have both mbstring and iconv installed! This will allow to handle the greatest number of languages. No problems here.
    9. + +
  9. mbstring: mbstring is installed, but iconv is not.
    10. + +
  10. iconv: iconv is installed, but mbstring is not.
    11. + +
  11. mbstring and iconv: You do not have either of the extensions installed. This will significantly impair your ability to read non-English feeds, as well as even some English ones.
    12. + + + +
  12. Tidy: You have Tidy support installed. No problems here.
    13. + +
  13. Tidy: The Tidy extension is not available. should still work with most feeds, but you may experience problems with some.
    14. + + + +
  14. cURL: You have cURL support installed. No problems here.
    15. + +
  15. cURL: The cURL extension is not available. SimplePie will use fsockopen() instead.
    16. + + + +
  16. HttpRequestPool: You have HttpRequestPool support installed. No problems here.
    17. + +
  17. HttpRequestPool: The HttpRequestPool class is not available. will use file_get_contents() instead to fetch URLs sequentially rather than in parallel.
    18. + + + +
  18. HTTP Redirects: Your server appears to handle redirects ok. No problems here.
    19. + +
  19. HTTP Redirects: Your server appears not to be able to handle HTTP redirects. should still work with most feeds, but you may experience problems with some.
    20. + + + +
  20. allow_url_fopen: Your PHP configuration has allow_url_fopen disabled. will not work here.
    21. + + + +
  21. PCRE: Your PHP installation doesn't support Perl-Compatible Regular Expressions. will not work here.
    22. + + +
  22. XML: Your PHP installation doesn't support XML parsing. will not work here.
    23. + + +
  23. PHP: You are running an unsupported version of PHP. will not work here.
    24. + + +
+
+ +
+ +

Bottom Line: Yes, you can!

+

Your webhost has its act together!

+

You can download the latest version of from FiveFilters.org.

+

Note: Passing this test does not guarantee that will run on your webhost — it only ensures that the basic requirements have been addressed. If you experience any problems, please let us know.

+ +

Bottom Line: Yes, you can!

+

For most feeds, it'll run with no problems. There are certain languages that you might have a hard time with though.

+

You can download the latest version of from FiveFilters.org.

+

Note: Passing this test does not guarantee that will run on your webhost — it only ensures that the basic requirements have been addressed. If you experience any problems, please let us know.

+ +

Bottom Line: We're sorry…

+

Your webhost does not support the minimum requirements for . It may be a good idea to contact your webhost, and ask them to install a more recent version of PHP as well as the xmlreader, xml, mbstring, iconv, curl, and zlib extensions. And ask them to enable allow_url_fopen.

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This compatibility test has been borrowed (and slightly adapted) from the one supplied by SimplePie.org. We have kept most of their checks intact as we use SimplePie in our application.

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\ No newline at end of file diff --git a/js/niceforms.js b/js/niceforms.js new file mode 100644 index 0000000..d4873c7 --- /dev/null +++ b/js/niceforms.js @@ -0,0 +1,576 @@ +/*############################################################# +Name: Niceforms +Version: 2.0 +Author: Lucian Slatineanu +URL: http://www.emblematiq.com/projects/niceforms/ + +Feel free to use and modify but please keep this copyright intact. +#################################################################*/ + +//Theme Variables - edit these to match your theme +var imagesPath = "images/niceforms/"; +var selectRightWidthSimple = 19; +var selectRightWidthScroll = 2; +var selectMaxHeight = 200; +var textareaTopPadding = 10; +var textareaSidePadding = 10; + +//Global Variables +var NF = new Array(); +var isIE = false; +var resizeTest = 1; + +//Initialization function +function NFInit() { + try { + document.execCommand('BackgroundImageCache', false, true); + } catch(e) {} + if(!document.getElementById) {return false;} + //alert("click me first"); + NFDo('start'); +} +function NFDo(what) { + var niceforms = document.getElementsByTagName('form'); + var identifier = new RegExp('(^| )'+'niceform'+'( |$)'); + if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)) { + var ieversion=new Number(RegExp.$1); + if(ieversion < 7) {return false;} //exit script if IE6 + isIE = true; + } + for(var q = 0; q < niceforms.length; q++) {if(identifier.test(niceforms[q].className)) { + if(what == "start") { //Load Niceforms + NF[q] = new niceform(niceforms[q]); + niceforms[q].start(); + } + else { //Unload Niceforms + niceforms[q].unload(); + NF[q] = ""; + } + }} +} +function NFFix() { + NFDo('stop'); + NFDo('start'); +} +function niceform(nf) { + nf._inputText = new Array(); nf._inputRadio = new Array(); nf._inputCheck = new Array(); nf._inputSubmit = new Array(); nf._inputFile = new Array(); nf._textarea = new Array(); nf._select = new Array(); nf._multiselect = new Array(); + nf.add_inputText = function(obj) {this._inputText[this._inputText.length] = obj; inputText(obj);} + nf.add_inputRadio = function(obj) {this._inputRadio[this._inputRadio.length] = obj; inputRadio(obj);} + nf.add_inputCheck = function(obj) {this._inputCheck[this._inputCheck.length] = obj; inputCheck(obj);} + nf.add_inputSubmit = function(obj) {this._inputSubmit[this._inputSubmit.length] = obj; inputSubmit(obj);} + nf.add_inputFile = function(obj) {this._inputFile[this._inputFile.length] = obj; inputFile(obj);} + nf.add_textarea = function(obj) {this._textarea[this._textarea.length] = obj; textarea(obj);} + nf.add_select = function(obj) {this._select[this._select.length] = obj; selects(obj);} + nf.add_multiselect = function(obj) {this._multiselect[this._multiselect.length] = obj; multiSelects(obj);} + nf.start = function() { + //Separate and assign elements + var allInputs = this.getElementsByTagName('input'); + for(var w = 0; w < allInputs.length; w++) { + switch(allInputs[w].type) { + case "text": case "password": {this.add_inputText(allInputs[w]); break;} + case "radio": {this.add_inputRadio(allInputs[w]); break;} + case "checkbox": {this.add_inputCheck(allInputs[w]); break;} + case "submit": case "reset": case "button": {this.add_inputSubmit(allInputs[w]); break;} + case "file": {this.add_inputFile(allInputs[w]); break;} + } + } + var allButtons = this.getElementsByTagName('button'); + for(var w = 0; w < allButtons.length; w++) { + this.add_inputSubmit(allButtons[w]); + } + var allTextareas = this.getElementsByTagName('textarea'); + for(var w = 0; w < allTextareas.length; w++) { + this.add_textarea(allTextareas[w]); + } + var allSelects = this.getElementsByTagName('select'); + for(var w = 0; w < allSelects.length; w++) { + if(allSelects[w].size == "1") {this.add_select(allSelects[w]);} + else {this.add_multiselect(allSelects[w]);} + } + //Start + for(w = 0; w < this._inputText.length; w++) {this._inputText[w].init();} + for(w = 0; w < this._inputRadio.length; w++) {this._inputRadio[w].init();} + for(w = 0; w < this._inputCheck.length; w++) {this._inputCheck[w].init();} + for(w = 0; w < this._inputSubmit.length; w++) {this._inputSubmit[w].init();} + for(w = 0; w < this._inputFile.length; w++) {this._inputFile[w].init();} + for(w = 0; w < this._textarea.length; w++) {this._textarea[w].init();} + for(w = 0; w < this._select.length; w++) {this._select[w].init(w);} + for(w = 0; w < this._multiselect.length; w++) {this._multiselect[w].init(w);} + } + nf.unload = function() { + //Stop + for(w = 0; w < this._inputText.length; w++) {this._inputText[w].unload();} + for(w = 0; w < this._inputRadio.length; w++) {this._inputRadio[w].unload();} + for(w = 0; w < this._inputCheck.length; w++) {this._inputCheck[w].unload();} + for(w = 0; w < this._inputSubmit.length; w++) {this._inputSubmit[w].unload();} + for(w = 0; w < this._inputFile.length; w++) {this._inputFile[w].unload();} + for(w = 0; w < this._textarea.length; w++) {this._textarea[w].unload();} + for(w = 0; w < this._select.length; w++) {this._select[w].unload();} + for(w = 0; w < this._multiselect.length; w++) {this._multiselect[w].unload();} + } +} +function inputText(el) { //extent Text inputs + el.oldClassName = el.className; + el.left = document.createElement('img'); + el.left.src = imagesPath + "0.png"; + el.left.className = "NFTextLeft"; + el.right = document.createElement('img'); + el.right.src = imagesPath + "0.png"; + el.right.className = "NFTextRight"; + el.dummy = document.createElement('div'); + el.dummy.className = "NFTextCenter"; + el.onfocus = function() { + this.dummy.className = "NFTextCenter NFh"; + this.left.className = "NFTextLeft NFh"; + this.right.className = "NFTextRight NFh"; + } + el.onblur = function() { + this.dummy.className = "NFTextCenter"; + this.left.className = "NFTextLeft"; + this.right.className = "NFTextRight"; + } + el.init = function() { + this.parentNode.insertBefore(this.left, this); + this.parentNode.insertBefore(this.right, this.nextSibling); + this.dummy.appendChild(this); + this.right.parentNode.insertBefore(this.dummy, this.right); + this.className = "NFText"; + } + el.unload = function() { + this.parentNode.parentNode.appendChild(this); + this.parentNode.removeChild(this.left); + this.parentNode.removeChild(this.right); + this.parentNode.removeChild(this.dummy); + this.className = this.oldClassName; + } +} +function inputRadio(el) { //extent Radio buttons + el.oldClassName = el.className; + el.dummy = document.createElement('div'); + if(el.checked) {el.dummy.className = "NFRadio NFh";} + else {el.dummy.className = "NFRadio";} + el.dummy.ref = el; + if(isIE == false) {el.dummy.style.left = findPosX(el) + 'px'; el.dummy.style.top = findPosY(el) + 'px';} + else {el.dummy.style.left = findPosX(el) + 4 + 'px'; el.dummy.style.top = findPosY(el) + 4 + 'px';} + el.dummy.onclick = function() { + if(!this.ref.checked) { + var siblings = getInputsByName(this.ref.name); + for(var q = 0; q < siblings.length; q++) { + siblings[q].checked = false; + siblings[q].dummy.className = "NFRadio"; + } + this.ref.checked = true; + this.className = "NFRadio NFh"; + } + } + el.onclick = function() { + if(this.checked) { + var siblings = getInputsByName(this.name); + for(var q = 0; q < siblings.length; q++) { + siblings[q].dummy.className = "NFRadio"; + } + this.dummy.className = "NFRadio NFh"; + } + } + el.onfocus = function() {this.dummy.className += " NFfocused";} + el.onblur = function() {this.dummy.className = this.dummy.className.replace(/ NFfocused/g, "");} + el.init = function() { + this.parentNode.insertBefore(this.dummy, this); + el.className = "NFhidden"; + } + el.unload = function() { + this.parentNode.removeChild(this.dummy); + this.className = this.oldClassName; + } +} +function inputCheck(el) { //extend Checkboxes + el.oldClassName = el.className; + el.dummy = document.createElement('img'); + el.dummy.src = imagesPath + "0.png"; + if(el.checked) {el.dummy.className = "NFCheck NFh";} + else {el.dummy.className = "NFCheck";} + el.dummy.ref = el; + if(isIE == false) {el.dummy.style.left = findPosX(el) + 'px'; el.dummy.style.top = findPosY(el) + 'px';} + else {el.dummy.style.left = findPosX(el) + 4 + 'px'; el.dummy.style.top = findPosY(el) + 4 + 'px';} + el.dummy.onclick = function() { + if(!this.ref.checked) { + this.ref.checked = true; + this.className = "NFCheck NFh"; + } + else { + this.ref.checked = false; + this.className = "NFCheck"; + } + } + el.onclick = function() { + if(this.checked) {this.dummy.className = "NFCheck NFh";} + else {this.dummy.className = "NFCheck";} + } + el.onfocus = function() {this.dummy.className += " NFfocused";} + el.onblur = function() {this.dummy.className = this.dummy.className.replace(/ NFfocused/g, "");} + el.init = function() { + this.parentNode.insertBefore(this.dummy, this); + el.className = "NFhidden"; + } + el.unload = function() { + this.parentNode.removeChild(this.dummy); + this.className = this.oldClassName; + } +} +function inputSubmit(el) { //extend Buttons + el.oldClassName = el.className; + el.left = document.createElement('img'); + el.left.className = "NFButtonLeft"; + el.left.src = imagesPath + "0.png"; + el.right = document.createElement('img'); + el.right.src = imagesPath + "0.png"; + el.right.className = "NFButtonRight"; + el.onmouseover = function() { + this.className = "NFButton NFh"; + this.left.className = "NFButtonLeft NFh"; + this.right.className = "NFButtonRight NFh"; + } + el.onmouseout = function() { + this.className = "NFButton"; + this.left.className = "NFButtonLeft"; + this.right.className = "NFButtonRight"; + } + el.init = function() { + this.parentNode.insertBefore(this.left, this); + this.parentNode.insertBefore(this.right, this.nextSibling); + this.className = "NFButton"; + } + el.unload = function() { + this.parentNode.removeChild(this.left); + this.parentNode.removeChild(this.right); + this.className = this.oldClassName; + } +} +function inputFile(el) { //extend File inputs + el.oldClassName = el.className; + el.dummy = document.createElement('div'); + el.dummy.className = "NFFile"; + el.file = document.createElement('div'); + el.file.className = "NFFileNew"; + el.center = document.createElement('div'); + el.center.className = "NFTextCenter"; + el.clone = document.createElement('input'); + el.clone.type = "text"; + el.clone.className = "NFText"; + el.clone.ref = el; + el.left = document.createElement('img'); + el.left.src = imagesPath + "0.png"; + el.left.className = "NFTextLeft"; + el.button = document.createElement('img'); + el.button.src = imagesPath + "0.png"; + el.button.className = "NFFileButton"; + el.button.ref = el; + el.button.onclick = function() {this.ref.click();} + el.init = function() { + var top = this.parentNode; + if(this.previousSibling) {var where = this.previousSibling;} + else {var where = top.childNodes[0];} + top.insertBefore(this.dummy, where); + this.dummy.appendChild(this); + this.center.appendChild(this.clone); + this.file.appendChild(this.center); + this.file.insertBefore(this.left, this.center); + this.file.appendChild(this.button); + this.dummy.appendChild(this.file); + this.className = "NFhidden"; + this.relatedElement = this.clone; + } + el.unload = function() { + this.parentNode.parentNode.appendChild(this); + this.parentNode.removeChild(this.dummy); + this.className = this.oldClassName; + } + el.onchange = el.onmouseout = function() {this.relatedElement.value = this.value;} + el.onfocus = function() { + this.left.className = "NFTextLeft NFh"; + this.center.className = "NFTextCenter NFh"; + this.button.className = "NFFileButton NFh"; + } + el.onblur = function() { + this.left.className = "NFTextLeft"; + this.center.className = "NFTextCenter"; + this.button.className = "NFFileButton"; + } + el.onselect = function() { + this.relatedElement.select(); + this.value = ''; + } +} +function textarea(el) { //extend Textareas + el.oldClassName = el.className; + el.height = el.offsetHeight - textareaTopPadding; + el.width = el.offsetWidth - textareaSidePadding; + el.topLeft = document.createElement('img'); + el.topLeft.src = imagesPath + "0.png"; + el.topLeft.className = "NFTextareaTopLeft"; + el.topRight = document.createElement('div'); + el.topRight.className = "NFTextareaTop"; + el.bottomLeft = document.createElement('img'); + el.bottomLeft.src = imagesPath + "0.png"; + el.bottomLeft.className = "NFTextareaBottomLeft"; + el.bottomRight = document.createElement('div'); + el.bottomRight.className = "NFTextareaBottom"; + el.left = document.createElement('div'); + el.left.className = "NFTextareaLeft"; + el.right = document.createElement('div'); + el.right.className = "NFTextareaRight"; + el.init = function() { + var top = this.parentNode; + if(this.previousSibling) {var where = this.previousSibling;} + else {var where = top.childNodes[0];} + top.insertBefore(el.topRight, where); + top.insertBefore(el.right, where); + top.insertBefore(el.bottomRight, where); + this.topRight.appendChild(this.topLeft); + this.right.appendChild(this.left); + this.right.appendChild(this); + this.bottomRight.appendChild(this.bottomLeft); + el.style.width = el.topRight.style.width = el.bottomRight.style.width = el.width + 'px'; + el.style.height = el.left.style.height = el.right.style.height = el.height + 'px'; + this.className = "NFTextarea"; + } + el.unload = function() { + this.parentNode.parentNode.appendChild(this); + this.parentNode.removeChild(this.topRight); + this.parentNode.removeChild(this.bottomRight); + this.parentNode.removeChild(this.right); + this.className = this.oldClassName; + this.style.width = this.style.height = ""; + } + el.onfocus = function() { + this.topLeft.className = "NFTextareaTopLeft NFh"; + this.topRight.className = "NFTextareaTop NFhr"; + this.left.className = "NFTextareaLeftH"; + this.right.className = "NFTextareaRightH"; + this.bottomLeft.className = "NFTextareaBottomLeft NFh"; + this.bottomRight.className = "NFTextareaBottom NFhr"; + } + el.onblur = function() { + this.topLeft.className = "NFTextareaTopLeft"; + this.topRight.className = "NFTextareaTop"; + this.left.className = "NFTextareaLeft"; + this.right.className = "NFTextareaRight"; + this.bottomLeft.className = "NFTextareaBottomLeft"; + this.bottomRight.className = "NFTextareaBottom"; + } +} +function selects(el) { //extend Selects + el.oldClassName = el.className; + el.dummy = document.createElement('div'); + el.dummy.className = "NFSelect"; + el.dummy.style.width = el.offsetWidth + 'px'; + el.dummy.ref = el; + el.left = document.createElement('img'); + el.left.src = imagesPath + "0.png"; + el.left.className = "NFSelectLeft"; + el.right = document.createElement('div'); + el.right.className = "NFSelectRight"; + el.txt = document.createTextNode(el.options[0].text); + el.bg = document.createElement('div'); + el.bg.className = "NFSelectTarget"; + el.bg.style.display = "none"; + el.opt = document.createElement('ul'); + el.opt.className = "NFSelectOptions"; + el.dummy.style.left = findPosX(el) + 'px'; + el.dummy.style.top = findPosY(el) + 'px'; + el.opts = new Array(el.options.length); + el.init = function(pos) { + this.dummy.appendChild(this.left); + this.right.appendChild(this.txt); + this.dummy.appendChild(this.right); + this.bg.appendChild(this.opt); + this.dummy.appendChild(this.bg); + for(var q = 0; q < this.options.length; q++) { + this.opts[q] = new option(this.options[q], q); + this.opt.appendChild(this.options[q].li); + this.options[q].lnk.onclick = function() { + this._onclick(); + this.ref.dummy.getElementsByTagName('div')[0].innerHTML = this.ref.options[this.pos].text; + this.ref.options[this.pos].selected = "selected"; + for(var w = 0; w < this.ref.options.length; w++) {this.ref.options[w].lnk.className = "";} + this.ref.options[this.pos].lnk.className = "NFOptionActive"; + } + } + if(this.options.selectedIndex) { + this.dummy.getElementsByTagName('div')[0].innerHTML = this.options[this.options.selectedIndex].text; + this.options[this.options.selectedIndex].lnk.className = "NFOptionActive"; + } + this.dummy.style.zIndex = 999 - pos; + this.parentNode.insertBefore(this.dummy, this); + this.className = "NFhidden"; + } + el.unload = function() { + this.parentNode.removeChild(this.dummy); + this.className = this.oldClassName; + } + el.dummy.onclick = function() { + var allDivs = document.getElementsByTagName('div'); for(var q = 0; q < allDivs.length; q++) {if((allDivs[q].className == "NFSelectTarget") && (allDivs[q] != this.ref.bg)) {allDivs[q].style.display = "none";}} + if(this.ref.bg.style.display == "none") {this.ref.bg.style.display = "block";} + else {this.ref.bg.style.display = "none";} + if(this.ref.opt.offsetHeight > selectMaxHeight) { + this.ref.bg.style.width = this.ref.offsetWidth - selectRightWidthScroll + 33 + 'px'; + this.ref.opt.style.width = this.ref.offsetWidth - selectRightWidthScroll + 'px'; + } + else { + this.ref.bg.style.width = this.ref.offsetWidth - selectRightWidthSimple + 33 + 'px'; + this.ref.opt.style.width = this.ref.offsetWidth - selectRightWidthSimple + 'px'; + } + } + el.bg.onmouseout = function(e) { + if (!e) var e = window.event; + e.cancelBubble = true; + if (e.stopPropagation) e.stopPropagation(); + var reltg = (e.relatedTarget) ? e.relatedTarget : e.toElement; + if((reltg.nodeName == 'A') || (reltg.nodeName == 'LI') || (reltg.nodeName == 'UL')) return; + if((reltg.nodeName == 'DIV') || (reltg.className == 'NFSelectTarget')) return; + else{this.style.display = "none";} + } + el.dummy.onmouseout = function(e) { + if (!e) var e = window.event; + e.cancelBubble = true; + if (e.stopPropagation) e.stopPropagation(); + var reltg = (e.relatedTarget) ? e.relatedTarget : e.toElement; + if((reltg.nodeName == 'A') || (reltg.nodeName == 'LI') || (reltg.nodeName == 'UL')) return; + if((reltg.nodeName == 'DIV') || (reltg.className == 'NFSelectTarget')) return; + else{this.ref.bg.style.display = "none";} + } + el.onfocus = function() {this.dummy.className += " NFfocused";} + el.onblur = function() {this.dummy.className = this.dummy.className.replace(/ NFfocused/g, "");} + el.onkeydown = function(e) { + if (!e) var e = window.event; + var thecode = e.keyCode; + var active = this.selectedIndex; + switch(thecode){ + case 40: //down + if(active < this.options.length - 1) { + for(var w = 0; w < this.options.length; w++) {this.options[w].lnk.className = "";} + var newOne = active + 1; + this.options[newOne].selected = "selected"; + this.options[newOne].lnk.className = "NFOptionActive"; + this.dummy.getElementsByTagName('div')[0].innerHTML = this.options[newOne].text; + } + return false; + break; + case 38: //up + if(active > 0) { + for(var w = 0; w < this.options.length; w++) {this.options[w].lnk.className = "";} + var newOne = active - 1; + this.options[newOne].selected = "selected"; + this.options[newOne].lnk.className = "NFOptionActive"; + this.dummy.getElementsByTagName('div')[0].innerHTML = this.options[newOne].text; + } + return false; + break; + default: + break; + } + } +} +function multiSelects(el) { //extend Multiple Selects + el.oldClassName = el.className; + el.height = el.offsetHeight; + el.width = el.offsetWidth; + el.topLeft = document.createElement('img'); + el.topLeft.src = imagesPath + "0.png"; + el.topLeft.className = "NFMultiSelectTopLeft"; + el.topRight = document.createElement('div'); + el.topRight.className = "NFMultiSelectTop"; + el.bottomLeft = document.createElement('img'); + el.bottomLeft.src = imagesPath + "0.png"; + el.bottomLeft.className = "NFMultiSelectBottomLeft"; + el.bottomRight = document.createElement('div'); + el.bottomRight.className = "NFMultiSelectBottom"; + el.left = document.createElement('div'); + el.left.className = "NFMultiSelectLeft"; + el.right = document.createElement('div'); + el.right.className = "NFMultiSelectRight"; + el.init = function() { + var top = this.parentNode; + if(this.previousSibling) {var where = this.previousSibling;} + else {var where = top.childNodes[0];} + top.insertBefore(el.topRight, where); + top.insertBefore(el.right, where); + top.insertBefore(el.bottomRight, where); + this.topRight.appendChild(this.topLeft); + this.right.appendChild(this.left); + this.right.appendChild(this); + this.bottomRight.appendChild(this.bottomLeft); + el.style.width = el.topRight.style.width = el.bottomRight.style.width = el.width + 'px'; + el.style.height = el.left.style.height = el.right.style.height = el.height + 'px'; + el.className = "NFMultiSelect"; + } + el.unload = function() { + this.parentNode.parentNode.appendChild(this); + this.parentNode.removeChild(this.topRight); + this.parentNode.removeChild(this.bottomRight); + this.parentNode.removeChild(this.right); + this.className = this.oldClassName; + this.style.width = this.style.height = ""; + } + el.onfocus = function() { + this.topLeft.className = "NFMultiSelectTopLeft NFh"; + this.topRight.className = "NFMultiSelectTop NFhr"; + this.left.className = "NFMultiSelectLeftH"; + this.right.className = "NFMultiSelectRightH"; + this.bottomLeft.className = "NFMultiSelectBottomLeft NFh"; + this.bottomRight.className = "NFMultiSelectBottom NFhr"; + } + el.onblur = function() { + this.topLeft.className = "NFMultiSelectTopLeft"; + this.topRight.className = "NFMultiSelectTop"; + this.left.className = "NFMultiSelectLeft"; + this.right.className = "NFMultiSelectRight"; + this.bottomLeft.className = "NFMultiSelectBottomLeft"; + this.bottomRight.className = "NFMultiSelectBottom"; + } +} +function option(el, no) { //extend Options + el.li = document.createElement('li'); + el.lnk = document.createElement('a'); + el.lnk.href = "javascript:;"; + el.lnk.ref = el.parentNode; + el.lnk.pos = no; + el.lnk._onclick = el.onclick || function () {}; + el.txt = document.createTextNode(el.text); + el.lnk.appendChild(el.txt); + el.li.appendChild(el.lnk); +} + +//Get Position +function findPosY(obj) { + var posTop = 0; + do {posTop += obj.offsetTop;} while (obj = obj.offsetParent); + return posTop; +} +function findPosX(obj) { + var posLeft = 0; + do {posLeft += obj.offsetLeft;} while (obj = obj.offsetParent); + return posLeft; +} +//Get Siblings +function getInputsByName(name) { + var inputs = document.getElementsByTagName("input"); + var w = 0; var results = new Array(); + for(var q = 0; q < inputs.length; q++) {if(inputs[q].name == name) {results[w] = inputs[q]; ++w;}} + return results; +} + +//Add events +var existingLoadEvent = window.onload || function () {}; +var existingResizeEvent = window.onresize || function() {}; +window.onload = function () { + existingLoadEvent(); + NFInit(); +} +window.onresize = function() { + if(resizeTest != document.documentElement.clientHeight) { + existingResizeEvent(); + NFFix(); + } + resizeTest = document.documentElement.clientHeight; +} \ No newline at end of file diff --git a/libraries/Zend/Cache.php b/libraries/Zend/Cache.php new file mode 100644 index 0000000..649aadc --- /dev/null +++ b/libraries/Zend/Cache.php @@ -0,0 +1,250 @@ +setBackend($backendObject); + return $frontendObject; + } + + /** + * Frontend Constructor + * + * @param string $backend + * @param array $backendOptions + * @param boolean $customBackendNaming + * @param boolean $autoload + * @return Zend_Cache_Backend + */ + public static function _makeBackend($backend, $backendOptions, $customBackendNaming = false, $autoload = false) + { + if (!$customBackendNaming) { + $backend = self::_normalizeName($backend); + } + if (in_array($backend, Zend_Cache::$standardBackends)) { + // we use a standard backend + $backendClass = 'Zend_Cache_Backend_' . $backend; + // security controls are explicit + require_once str_replace('_', DIRECTORY_SEPARATOR, $backendClass) . '.php'; + } else { + // we use a custom backend + if (!preg_match('~^[\w]+$~D', $backend)) { + Zend_Cache::throwException("Invalid backend name [$backend]"); + } + if (!$customBackendNaming) { + // we use this boolean to avoid an API break + $backendClass = 'Zend_Cache_Backend_' . $backend; + } else { + $backendClass = $backend; + } + if (!$autoload) { + $file = str_replace('_', DIRECTORY_SEPARATOR, $backendClass) . '.php'; + if (!(self::_isReadable($file))) { + self::throwException("file $file not found in include_path"); + } + require_once $file; + } + } + return new $backendClass($backendOptions); + } + + /** + * Backend Constructor + * + * @param string $frontend + * @param array $frontendOptions + * @param boolean $customFrontendNaming + * @param boolean $autoload + * @return Zend_Cache_Core|Zend_Cache_Frontend + */ + public static function _makeFrontend($frontend, $frontendOptions = array(), $customFrontendNaming = false, $autoload = false) + { + if (!$customFrontendNaming) { + $frontend = self::_normalizeName($frontend); + } + if (in_array($frontend, self::$standardFrontends)) { + // we use a standard frontend + // For perfs reasons, with frontend == 'Core', we can interact with the Core itself + $frontendClass = 'Zend_Cache_' . ($frontend != 'Core' ? 'Frontend_' : '') . $frontend; + // security controls are explicit + require_once str_replace('_', DIRECTORY_SEPARATOR, $frontendClass) . '.php'; + } else { + // we use a custom frontend + if (!preg_match('~^[\w]+$~D', $frontend)) { + Zend_Cache::throwException("Invalid frontend name [$frontend]"); + } + if (!$customFrontendNaming) { + // we use this boolean to avoid an API break + $frontendClass = 'Zend_Cache_Frontend_' . $frontend; + } else { + $frontendClass = $frontend; + } + if (!$autoload) { + $file = str_replace('_', DIRECTORY_SEPARATOR, $frontendClass) . '.php'; + if (!(self::_isReadable($file))) { + self::throwException("file $file not found in include_path"); + } + require_once $file; + } + } + return new $frontendClass($frontendOptions); + } + + /** + * Throw an exception + * + * Note : for perf reasons, the "load" of Zend/Cache/Exception is dynamic + * @param string $msg Message for the exception + * @throws Zend_Cache_Exception + */ + public static function throwException($msg, Exception $e = null) + { + // For perfs reasons, we use this dynamic inclusion + require_once 'Zend/Cache/Exception.php'; + throw new Zend_Cache_Exception($msg, 0, $e); + } + + /** + * Normalize frontend and backend names to allow multiple words TitleCased + * + * @param string $name Name to normalize + * @return string + */ + protected static function _normalizeName($name) + { + $name = ucfirst(strtolower($name)); + $name = str_replace(array('-', '_', '.'), ' ', $name); + $name = ucwords($name); + $name = str_replace(' ', '', $name); + if (stripos($name, 'ZendServer') === 0) { + $name = 'ZendServer_' . substr($name, strlen('ZendServer')); + } + + return $name; + } + + /** + * Returns TRUE if the $filename is readable, or FALSE otherwise. + * This function uses the PHP include_path, where PHP's is_readable() + * does not. + * + * Note : this method comes from Zend_Loader (see #ZF-2891 for details) + * + * @param string $filename + * @return boolean + */ + private static function _isReadable($filename) + { + if (!$fh = @fopen($filename, 'r', true)) { + return false; + } + @fclose($fh); + return true; + } + +} diff --git a/libraries/Zend/Cache/Backend.php b/libraries/Zend/Cache/Backend.php new file mode 100644 index 0000000..8049a1a --- /dev/null +++ b/libraries/Zend/Cache/Backend.php @@ -0,0 +1,266 @@ + (int) lifetime : + * - Cache lifetime (in seconds) + * - If null, the cache is valid forever + * + * =====> (int) logging : + * - if set to true, a logging is activated throw Zend_Log + * + * @var array directives + */ + protected $_directives = array( + 'lifetime' => 3600, + 'logging' => false, + 'logger' => null + ); + + /** + * Available options + * + * @var array available options + */ + protected $_options = array(); + + /** + * Constructor + * + * @param array $options Associative array of options + * @throws Zend_Cache_Exception + * @return void + */ + public function __construct(array $options = array()) + { + while (list($name, $value) = each($options)) { + $this->setOption($name, $value); + } + } + + /** + * Set the frontend directives + * + * @param array $directives Assoc of directives + * @throws Zend_Cache_Exception + * @return void + */ + public function setDirectives($directives) + { + if (!is_array($directives)) Zend_Cache::throwException('Directives parameter must be an array'); + while (list($name, $value) = each($directives)) { + if (!is_string($name)) { + Zend_Cache::throwException("Incorrect option name : $name"); + } + $name = strtolower($name); + if (array_key_exists($name, $this->_directives)) { + $this->_directives[$name] = $value; + } + + } + + $this->_loggerSanity(); + } + + /** + * Set an option + * + * @param string $name + * @param mixed $value + * @throws Zend_Cache_Exception + * @return void + */ + public function setOption($name, $value) + { + if (!is_string($name)) { + Zend_Cache::throwException("Incorrect option name : $name"); + } + $name = strtolower($name); + if (array_key_exists($name, $this->_options)) { + $this->_options[$name] = $value; + } + } + + /** + * Get the life time + * + * if $specificLifetime is not false, the given specific life time is used + * else, the global lifetime is used + * + * @param int $specificLifetime + * @return int Cache life time + */ + public function getLifetime($specificLifetime) + { + if ($specificLifetime === false) { + return $this->_directives['lifetime']; + } + return $specificLifetime; + } + + /** + * Return true if the automatic cleaning is available for the backend + * + * DEPRECATED : use getCapabilities() instead + * + * @deprecated + * @return boolean + */ + public function isAutomaticCleaningAvailable() + { + return true; + } + + /** + * Determine system TMP directory and detect if we have read access + * + * inspired from Zend_File_Transfer_Adapter_Abstract + * + * @return string + * @throws Zend_Cache_Exception if unable to determine directory + */ + public function getTmpDir() + { + $tmpdir = array(); + foreach (array($_ENV, $_SERVER) as $tab) { + foreach (array('TMPDIR', 'TEMP', 'TMP', 'windir', 'SystemRoot') as $key) { + if (isset($tab[$key])) { + if (($key == 'windir') or ($key == 'SystemRoot')) { + $dir = realpath($tab[$key] . '\\temp'); + } else { + $dir = realpath($tab[$key]); + } + if ($this->_isGoodTmpDir($dir)) { + return $dir; + } + } + } + } + $upload = ini_get('upload_tmp_dir'); + if ($upload) { + $dir = realpath($upload); + if ($this->_isGoodTmpDir($dir)) { + return $dir; + } + } + if (function_exists('sys_get_temp_dir')) { + $dir = sys_get_temp_dir(); + if ($this->_isGoodTmpDir($dir)) { + return $dir; + } + } + // Attemp to detect by creating a temporary file + $tempFile = tempnam(md5(uniqid(rand(), TRUE)), ''); + if ($tempFile) { + $dir = realpath(dirname($tempFile)); + unlink($tempFile); + if ($this->_isGoodTmpDir($dir)) { + return $dir; + } + } + if ($this->_isGoodTmpDir('/tmp')) { + return '/tmp'; + } + if ($this->_isGoodTmpDir('\\temp')) { + return '\\temp'; + } + Zend_Cache::throwException('Could not determine temp directory, please specify a cache_dir manually'); + } + + /** + * Verify if the given temporary directory is readable and writable + * + * @param $dir temporary directory + * @return boolean true if the directory is ok + */ + protected function _isGoodTmpDir($dir) + { + if (is_readable($dir)) { + if (is_writable($dir)) { + return true; + } + } + return false; + } + + /** + * Make sure if we enable logging that the Zend_Log class + * is available. + * Create a default log object if none is set. + * + * @throws Zend_Cache_Exception + * @return void + */ + protected function _loggerSanity() + { + if (!isset($this->_directives['logging']) || !$this->_directives['logging']) { + return; + } + + if (isset($this->_directives['logger'])) { + if ($this->_directives['logger'] instanceof Zend_Log) { + return; + } + Zend_Cache::throwException('Logger object is not an instance of Zend_Log class.'); + } + + // Create a default logger to the standard output stream + require_once 'Zend/Log.php'; + require_once 'Zend/Log/Writer/Stream.php'; + $logger = new Zend_Log(new Zend_Log_Writer_Stream('php://output')); + $this->_directives['logger'] = $logger; + } + + /** + * Log a message at the WARN (4) priority. + * + * @param string $message + * @throws Zend_Cache_Exception + * @return void + */ + protected function _log($message, $priority = 4) + { + if (!$this->_directives['logging']) { + return; + } + + if (!isset($this->_directives['logger'])) { + Zend_Cache::throwException('Logging is enabled but logger is not set.'); + } + $logger = $this->_directives['logger']; + if (!$logger instanceof Zend_Log) { + Zend_Cache::throwException('Logger object is not an instance of Zend_Log class.'); + } + $logger->log($message, $priority); + } +} diff --git a/libraries/Zend/Cache/Backend/Apc.php b/libraries/Zend/Cache/Backend/Apc.php new file mode 100644 index 0000000..0a13a57 --- /dev/null +++ b/libraries/Zend/Cache/Backend/Apc.php @@ -0,0 +1,355 @@ + infinite lifetime) + * @return boolean true if no problem + */ + public function save($data, $id, $tags = array(), $specificLifetime = false) + { + $lifetime = $this->getLifetime($specificLifetime); + $result = apc_store($id, array($data, time(), $lifetime), $lifetime); + if (count($tags) > 0) { + $this->_log(self::TAGS_UNSUPPORTED_BY_SAVE_OF_APC_BACKEND); + } + return $result; + } + + /** + * Remove a cache record + * + * @param string $id cache id + * @return boolean true if no problem + */ + public function remove($id) + { + return apc_delete($id); + } + + /** + * Clean some cache records + * + * Available modes are : + * 'all' (default) => remove all cache entries ($tags is not used) + * 'old' => unsupported + * 'matchingTag' => unsupported + * 'notMatchingTag' => unsupported + * 'matchingAnyTag' => unsupported + * + * @param string $mode clean mode + * @param array $tags array of tags + * @throws Zend_Cache_Exception + * @return boolean true if no problem + */ + public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()) + { + switch ($mode) { + case Zend_Cache::CLEANING_MODE_ALL: + return apc_clear_cache('user'); + break; + case Zend_Cache::CLEANING_MODE_OLD: + $this->_log("Zend_Cache_Backend_Apc::clean() : CLEANING_MODE_OLD is unsupported by the Apc backend"); + break; + case Zend_Cache::CLEANING_MODE_MATCHING_TAG: + case Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG: + case Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG: + $this->_log(self::TAGS_UNSUPPORTED_BY_CLEAN_OF_APC_BACKEND); + break; + default: + Zend_Cache::throwException('Invalid mode for clean() method'); + break; + } + } + + /** + * Return true if the automatic cleaning is available for the backend + * + * DEPRECATED : use getCapabilities() instead + * + * @deprecated + * @return boolean + */ + public function isAutomaticCleaningAvailable() + { + return false; + } + + /** + * Return the filling percentage of the backend storage + * + * @throws Zend_Cache_Exception + * @return int integer between 0 and 100 + */ + public function getFillingPercentage() + { + $mem = apc_sma_info(true); + $memSize = $mem['num_seg'] * $mem['seg_size']; + $memAvailable= $mem['avail_mem']; + $memUsed = $memSize - $memAvailable; + if ($memSize == 0) { + Zend_Cache::throwException('can\'t get apc memory size'); + } + if ($memUsed > $memSize) { + return 100; + } + return ((int) (100. * ($memUsed / $memSize))); + } + + /** + * Return an array of stored tags + * + * @return array array of stored tags (string) + */ + public function getTags() + { + $this->_log(self::TAGS_UNSUPPORTED_BY_SAVE_OF_APC_BACKEND); + return array(); + } + + /** + * Return an array of stored cache ids which match given tags + * + * In case of multiple tags, a logical AND is made between tags + * + * @param array $tags array of tags + * @return array array of matching cache ids (string) + */ + public function getIdsMatchingTags($tags = array()) + { + $this->_log(self::TAGS_UNSUPPORTED_BY_SAVE_OF_APC_BACKEND); + return array(); + } + + /** + * Return an array of stored cache ids which don't match given tags + * + * In case of multiple tags, a logical OR is made between tags + * + * @param array $tags array of tags + * @return array array of not matching cache ids (string) + */ + public function getIdsNotMatchingTags($tags = array()) + { + $this->_log(self::TAGS_UNSUPPORTED_BY_SAVE_OF_APC_BACKEND); + return array(); + } + + /** + * Return an array of stored cache ids which match any given tags + * + * In case of multiple tags, a logical AND is made between tags + * + * @param array $tags array of tags + * @return array array of any matching cache ids (string) + */ + public function getIdsMatchingAnyTags($tags = array()) + { + $this->_log(self::TAGS_UNSUPPORTED_BY_SAVE_OF_APC_BACKEND); + return array(); + } + + /** + * Return an array of stored cache ids + * + * @return array array of stored cache ids (string) + */ + public function getIds() + { + $res = array(); + $array = apc_cache_info('user', false); + $records = $array['cache_list']; + foreach ($records as $record) { + $res[] = $record['info']; + } + return $res; + } + + /** + * Return an array of metadatas for the given cache id + * + * The array must include these keys : + * - expire : the expire timestamp + * - tags : a string array of tags + * - mtime : timestamp of last modification time + * + * @param string $id cache id + * @return array array of metadatas (false if the cache id is not found) + */ + public function getMetadatas($id) + { + $tmp = apc_fetch($id); + if (is_array($tmp)) { + $data = $tmp[0]; + $mtime = $tmp[1]; + if (!isset($tmp[2])) { + // because this record is only with 1.7 release + // if old cache records are still there... + return false; + } + $lifetime = $tmp[2]; + return array( + 'expire' => $mtime + $lifetime, + 'tags' => array(), + 'mtime' => $mtime + ); + } + return false; + } + + /** + * Give (if possible) an extra lifetime to the given cache id + * + * @param string $id cache id + * @param int $extraLifetime + * @return boolean true if ok + */ + public function touch($id, $extraLifetime) + { + $tmp = apc_fetch($id); + if (is_array($tmp)) { + $data = $tmp[0]; + $mtime = $tmp[1]; + if (!isset($tmp[2])) { + // because this record is only with 1.7 release + // if old cache records are still there... + return false; + } + $lifetime = $tmp[2]; + $newLifetime = $lifetime - (time() - $mtime) + $extraLifetime; + if ($newLifetime <=0) { + return false; + } + apc_store($id, array($data, time(), $newLifetime), $newLifetime); + return true; + } + return false; + } + + /** + * Return an associative array of capabilities (booleans) of the backend + * + * The array must include these keys : + * - automatic_cleaning (is automating cleaning necessary) + * - tags (are tags supported) + * - expired_read (is it possible to read expired cache records + * (for doNotTestCacheValidity option for example)) + * - priority does the backend deal with priority when saving + * - infinite_lifetime (is infinite lifetime can work with this backend) + * - get_list (is it possible to get the list of cache ids and the complete list of tags) + * + * @return array associative of with capabilities + */ + public function getCapabilities() + { + return array( + 'automatic_cleaning' => false, + 'tags' => false, + 'expired_read' => false, + 'priority' => false, + 'infinite_lifetime' => false, + 'get_list' => true + ); + } + +} diff --git a/libraries/Zend/Cache/Backend/BlackHole.php b/libraries/Zend/Cache/Backend/BlackHole.php new file mode 100644 index 0000000..9ae72f3 --- /dev/null +++ b/libraries/Zend/Cache/Backend/BlackHole.php @@ -0,0 +1,250 @@ + infinite lifetime) + * @return boolean true if no problem + */ + public function save($data, $id, $tags = array(), $specificLifetime = false) + { + return true; + } + + /** + * Remove a cache record + * + * @param string $id cache id + * @return boolean true if no problem + */ + public function remove($id) + { + return true; + } + + /** + * Clean some cache records + * + * Available modes are : + * 'all' (default) => remove all cache entries ($tags is not used) + * 'old' => remove too old cache entries ($tags is not used) + * 'matchingTag' => remove cache entries matching all given tags + * ($tags can be an array of strings or a single string) + * 'notMatchingTag' => remove cache entries not matching one of the given tags + * ($tags can be an array of strings or a single string) + * 'matchingAnyTag' => remove cache entries matching any given tags + * ($tags can be an array of strings or a single string) + * + * @param string $mode clean mode + * @param tags array $tags array of tags + * @return boolean true if no problem + */ + public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()) + { + return true; + } + + /** + * Return an array of stored cache ids + * + * @return array array of stored cache ids (string) + */ + public function getIds() + { + return array(); + } + + /** + * Return an array of stored tags + * + * @return array array of stored tags (string) + */ + public function getTags() + { + return array(); + } + + /** + * Return an array of stored cache ids which match given tags + * + * In case of multiple tags, a logical AND is made between tags + * + * @param array $tags array of tags + * @return array array of matching cache ids (string) + */ + public function getIdsMatchingTags($tags = array()) + { + return array(); + } + + /** + * Return an array of stored cache ids which don't match given tags + * + * In case of multiple tags, a logical OR is made between tags + * + * @param array $tags array of tags + * @return array array of not matching cache ids (string) + */ + public function getIdsNotMatchingTags($tags = array()) + { + return array(); + } + + /** + * Return an array of stored cache ids which match any given tags + * + * In case of multiple tags, a logical AND is made between tags + * + * @param array $tags array of tags + * @return array array of any matching cache ids (string) + */ + public function getIdsMatchingAnyTags($tags = array()) + { + return array(); + } + + /** + * Return the filling percentage of the backend storage + * + * @return int integer between 0 and 100 + * @throws Zend_Cache_Exception + */ + public function getFillingPercentage() + { + return 0; + } + + /** + * Return an array of metadatas for the given cache id + * + * The array must include these keys : + * - expire : the expire timestamp + * - tags : a string array of tags + * - mtime : timestamp of last modification time + * + * @param string $id cache id + * @return array array of metadatas (false if the cache id is not found) + */ + public function getMetadatas($id) + { + return false; + } + + /** + * Give (if possible) an extra lifetime to the given cache id + * + * @param string $id cache id + * @param int $extraLifetime + * @return boolean true if ok + */ + public function touch($id, $extraLifetime) + { + return false; + } + + /** + * Return an associative array of capabilities (booleans) of the backend + * + * The array must include these keys : + * - automatic_cleaning (is automating cleaning necessary) + * - tags (are tags supported) + * - expired_read (is it possible to read expired cache records + * (for doNotTestCacheValidity option for example)) + * - priority does the backend deal with priority when saving + * - infinite_lifetime (is infinite lifetime can work with this backend) + * - get_list (is it possible to get the list of cache ids and the complete list of tags) + * + * @return array associative of with capabilities + */ + public function getCapabilities() + { + return array( + 'automatic_cleaning' => true, + 'tags' => true, + 'expired_read' => true, + 'priority' => true, + 'infinite_lifetime' => true, + 'get_list' => true, + ); + } + + /** + * PUBLIC METHOD FOR UNIT TESTING ONLY ! + * + * Force a cache record to expire + * + * @param string $id cache id + */ + public function ___expire($id) + { + } +} diff --git a/libraries/Zend/Cache/Backend/ExtendedInterface.php b/libraries/Zend/Cache/Backend/ExtendedInterface.php new file mode 100644 index 0000000..ec735a4 --- /dev/null +++ b/libraries/Zend/Cache/Backend/ExtendedInterface.php @@ -0,0 +1,126 @@ + (string) cache_dir : + * - Directory where to put the cache files + * + * =====> (boolean) file_locking : + * - Enable / disable file_locking + * - Can avoid cache corruption under bad circumstances but it doesn't work on multithread + * webservers and on NFS filesystems for example + * + * =====> (boolean) read_control : + * - Enable / disable read control + * - If enabled, a control key is embeded in cache file and this key is compared with the one + * calculated after the reading. + * + * =====> (string) read_control_type : + * - Type of read control (only if read control is enabled). Available values are : + * 'md5' for a md5 hash control (best but slowest) + * 'crc32' for a crc32 hash control (lightly less safe but faster, better choice) + * 'adler32' for an adler32 hash control (excellent choice too, faster than crc32) + * 'strlen' for a length only test (fastest) + * + * =====> (int) hashed_directory_level : + * - Hashed directory level + * - Set the hashed directory structure level. 0 means "no hashed directory + * structure", 1 means "one level of directory", 2 means "two levels"... + * This option can speed up the cache only when you have many thousands of + * cache file. Only specific benchs can help you to choose the perfect value + * for you. Maybe, 1 or 2 is a good start. + * + * =====> (int) hashed_directory_umask : + * - Umask for hashed directory structure + * + * =====> (string) file_name_prefix : + * - prefix for cache files + * - be really carefull with this option because a too generic value in a system cache dir + * (like /tmp) can cause disasters when cleaning the cache + * + * =====> (int) cache_file_umask : + * - Umask for cache files + * + * =====> (int) metatadatas_array_max_size : + * - max size for the metadatas array (don't change this value unless you + * know what you are doing) + * + * @var array available options + */ + protected $_options = array( + 'cache_dir' => null, + 'file_locking' => true, + 'read_control' => true, + 'read_control_type' => 'crc32', + 'hashed_directory_level' => 0, + 'hashed_directory_umask' => 0700, + 'file_name_prefix' => 'zend_cache', + 'cache_file_umask' => 0600, + 'metadatas_array_max_size' => 100 + ); + + /** + * Array of metadatas (each item is an associative array) + * + * @var array + */ + protected $_metadatasArray = array(); + + + /** + * Constructor + * + * @param array $options associative array of options + * @throws Zend_Cache_Exception + * @return void + */ + public function __construct(array $options = array()) + { + parent::__construct($options); + if ($this->_options['cache_dir'] !== null) { // particular case for this option + $this->setCacheDir($this->_options['cache_dir']); + } else { + $this->setCacheDir(self::getTmpDir() . DIRECTORY_SEPARATOR, false); + } + if (isset($this->_options['file_name_prefix'])) { // particular case for this option + if (!preg_match('~^[a-zA-Z0-9_]+$~D', $this->_options['file_name_prefix'])) { + Zend_Cache::throwException('Invalid file_name_prefix : must use only [a-zA-Z0-9_]'); + } + } + if ($this->_options['metadatas_array_max_size'] < 10) { + Zend_Cache::throwException('Invalid metadatas_array_max_size, must be > 10'); + } + if (isset($options['hashed_directory_umask']) && is_string($options['hashed_directory_umask'])) { + // See #ZF-4422 + $this->_options['hashed_directory_umask'] = octdec($this->_options['hashed_directory_umask']); + } + if (isset($options['cache_file_umask']) && is_string($options['cache_file_umask'])) { + // See #ZF-4422 + $this->_options['cache_file_umask'] = octdec($this->_options['cache_file_umask']); + } + } + + /** + * Set the cache_dir (particular case of setOption() method) + * + * @param string $value + * @param boolean $trailingSeparator If true, add a trailing separator is necessary + * @throws Zend_Cache_Exception + * @return void + */ + public function setCacheDir($value, $trailingSeparator = true) + { + if (!is_dir($value)) { + Zend_Cache::throwException('cache_dir must be a directory'); + } + if (!is_writable($value)) { + Zend_Cache::throwException('cache_dir is not writable'); + } + if ($trailingSeparator) { + // add a trailing DIRECTORY_SEPARATOR if necessary + $value = rtrim(realpath($value), '\\/') . DIRECTORY_SEPARATOR; + } + $this->_options['cache_dir'] = $value; + } + + /** + * Test if a cache is available for the given id and (if yes) return it (false else) + * + * @param string $id cache id + * @param boolean $doNotTestCacheValidity if set to true, the cache validity won't be tested + * @return string|false cached datas + */ + public function load($id, $doNotTestCacheValidity = false) + { + if (!($this->_test($id, $doNotTestCacheValidity))) { + // The cache is not hit ! + return false; + } + $metadatas = $this->_getMetadatas($id); + $file = $this->_file($id); + $data = $this->_fileGetContents($file); + if ($this->_options['read_control']) { + $hashData = $this->_hash($data, $this->_options['read_control_type']); + $hashControl = $metadatas['hash']; + if ($hashData != $hashControl) { + // Problem detected by the read control ! + $this->_log('Zend_Cache_Backend_File::load() / read_control : stored hash and computed hash do not match'); + $this->remove($id); + return false; + } + } + return $data; + } + + /** + * Test if a cache is available or not (for the given id) + * + * @param string $id cache id + * @return mixed false (a cache is not available) or "last modified" timestamp (int) of the available cache record + */ + public function test($id) + { + clearstatcache(); + return $this->_test($id, false); + } + + /** + * Save some string datas into a cache record + * + * Note : $data is always "string" (serialization is done by the + * core not by the backend) + * + * @param string $data Datas to cache + * @param string $id Cache id + * @param array $tags Array of strings, the cache record will be tagged by each string entry + * @param int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime) + * @return boolean true if no problem + */ + public function save($data, $id, $tags = array(), $specificLifetime = false) + { + clearstatcache(); + $file = $this->_file($id); + $path = $this->_path($id); + if ($this->_options['hashed_directory_level'] > 0) { + if (!is_writable($path)) { + // maybe, we just have to build the directory structure + $this->_recursiveMkdirAndChmod($id); + } + if (!is_writable($path)) { + return false; + } + } + if ($this->_options['read_control']) { + $hash = $this->_hash($data, $this->_options['read_control_type']); + } else { + $hash = ''; + } + $metadatas = array( + 'hash' => $hash, + 'mtime' => time(), + 'expire' => $this->_expireTime($this->getLifetime($specificLifetime)), + 'tags' => $tags + ); + $res = $this->_setMetadatas($id, $metadatas); + if (!$res) { + $this->_log('Zend_Cache_Backend_File::save() / error on saving metadata'); + return false; + } + $res = $this->_filePutContents($file, $data); + return $res; + } + + /** + * Remove a cache record + * + * @param string $id cache id + * @return boolean true if no problem + */ + public function remove($id) + { + $file = $this->_file($id); + $boolRemove = $this->_remove($file); + $boolMetadata = $this->_delMetadatas($id); + return $boolMetadata && $boolRemove; + } + + /** + * Clean some cache records + * + * Available modes are : + * 'all' (default) => remove all cache entries ($tags is not used) + * 'old' => remove too old cache entries ($tags is not used) + * 'matchingTag' => remove cache entries matching all given tags + * ($tags can be an array of strings or a single string) + * 'notMatchingTag' => remove cache entries not matching one of the given tags + * ($tags can be an array of strings or a single string) + * 'matchingAnyTag' => remove cache entries matching any given tags + * ($tags can be an array of strings or a single string) + * + * @param string $mode clean mode + * @param tags array $tags array of tags + * @return boolean true if no problem + */ + public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()) + { + // We use this protected method to hide the recursive stuff + clearstatcache(); + return $this->_clean($this->_options['cache_dir'], $mode, $tags); + } + + /** + * Return an array of stored cache ids + * + * @return array array of stored cache ids (string) + */ + public function getIds() + { + return $this->_get($this->_options['cache_dir'], 'ids', array()); + } + + /** + * Return an array of stored tags + * + * @return array array of stored tags (string) + */ + public function getTags() + { + return $this->_get($this->_options['cache_dir'], 'tags', array()); + } + + /** + * Return an array of stored cache ids which match given tags + * + * In case of multiple tags, a logical AND is made between tags + * + * @param array $tags array of tags + * @return array array of matching cache ids (string) + */ + public function getIdsMatchingTags($tags = array()) + { + return $this->_get($this->_options['cache_dir'], 'matching', $tags); + } + + /** + * Return an array of stored cache ids which don't match given tags + * + * In case of multiple tags, a logical OR is made between tags + * + * @param array $tags array of tags + * @return array array of not matching cache ids (string) + */ + public function getIdsNotMatchingTags($tags = array()) + { + return $this->_get($this->_options['cache_dir'], 'notMatching', $tags); + } + + /** + * Return an array of stored cache ids which match any given tags + * + * In case of multiple tags, a logical AND is made between tags + * + * @param array $tags array of tags + * @return array array of any matching cache ids (string) + */ + public function getIdsMatchingAnyTags($tags = array()) + { + return $this->_get($this->_options['cache_dir'], 'matchingAny', $tags); + } + + /** + * Return the filling percentage of the backend storage + * + * @throws Zend_Cache_Exception + * @return int integer between 0 and 100 + */ + public function getFillingPercentage() + { + $free = disk_free_space($this->_options['cache_dir']); + $total = disk_total_space($this->_options['cache_dir']); + if ($total == 0) { + Zend_Cache::throwException('can\'t get disk_total_space'); + } else { + if ($free >= $total) { + return 100; + } + return ((int) (100. * ($total - $free) / $total)); + } + } + + /** + * Return an array of metadatas for the given cache id + * + * The array must include these keys : + * - expire : the expire timestamp + * - tags : a string array of tags + * - mtime : timestamp of last modification time + * + * @param string $id cache id + * @return array array of metadatas (false if the cache id is not found) + */ + public function getMetadatas($id) + { + $metadatas = $this->_getMetadatas($id); + if (!$metadatas) { + return false; + } + if (time() > $metadatas['expire']) { + return false; + } + return array( + 'expire' => $metadatas['expire'], + 'tags' => $metadatas['tags'], + 'mtime' => $metadatas['mtime'] + ); + } + + /** + * Give (if possible) an extra lifetime to the given cache id + * + * @param string $id cache id + * @param int $extraLifetime + * @return boolean true if ok + */ + public function touch($id, $extraLifetime) + { + $metadatas = $this->_getMetadatas($id); + if (!$metadatas) { + return false; + } + if (time() > $metadatas['expire']) { + return false; + } + $newMetadatas = array( + 'hash' => $metadatas['hash'], + 'mtime' => time(), + 'expire' => $metadatas['expire'] + $extraLifetime, + 'tags' => $metadatas['tags'] + ); + $res = $this->_setMetadatas($id, $newMetadatas); + if (!$res) { + return false; + } + return true; + } + + /** + * Return an associative array of capabilities (booleans) of the backend + * + * The array must include these keys : + * - automatic_cleaning (is automating cleaning necessary) + * - tags (are tags supported) + * - expired_read (is it possible to read expired cache records + * (for doNotTestCacheValidity option for example)) + * - priority does the backend deal with priority when saving + * - infinite_lifetime (is infinite lifetime can work with this backend) + * - get_list (is it possible to get the list of cache ids and the complete list of tags) + * + * @return array associative of with capabilities + */ + public function getCapabilities() + { + return array( + 'automatic_cleaning' => true, + 'tags' => true, + 'expired_read' => true, + 'priority' => false, + 'infinite_lifetime' => true, + 'get_list' => true + ); + } + + /** + * PUBLIC METHOD FOR UNIT TESTING ONLY ! + * + * Force a cache record to expire + * + * @param string $id cache id + */ + public function ___expire($id) + { + $metadatas = $this->_getMetadatas($id); + if ($metadatas) { + $metadatas['expire'] = 1; + $this->_setMetadatas($id, $metadatas); + } + } + + /** + * Get a metadatas record + * + * @param string $id Cache id + * @return array|false Associative array of metadatas + */ + protected function _getMetadatas($id) + { + if (isset($this->_metadatasArray[$id])) { + return $this->_metadatasArray[$id]; + } else { + $metadatas = $this->_loadMetadatas($id); + if (!$metadatas) { + return false; + } + $this->_setMetadatas($id, $metadatas, false); + return $metadatas; + } + } + + /** + * Set a metadatas record + * + * @param string $id Cache id + * @param array $metadatas Associative array of metadatas + * @param boolean $save optional pass false to disable saving to file + * @return boolean True if no problem + */ + protected function _setMetadatas($id, $metadatas, $save = true) + { + if (count($this->_metadatasArray) >= $this->_options['metadatas_array_max_size']) { + $n = (int) ($this->_options['metadatas_array_max_size'] / 10); + $this->_metadatasArray = array_slice($this->_metadatasArray, $n); + } + if ($save) { + $result = $this->_saveMetadatas($id, $metadatas); + if (!$result) { + return false; + } + } + $this->_metadatasArray[$id] = $metadatas; + return true; + } + + /** + * Drop a metadata record + * + * @param string $id Cache id + * @return boolean True if no problem + */ + protected function _delMetadatas($id) + { + if (isset($this->_metadatasArray[$id])) { + unset($this->_metadatasArray[$id]); + } + $file = $this->_metadatasFile($id); + return $this->_remove($file); + } + + /** + * Clear the metadatas array + * + * @return void + */ + protected function _cleanMetadatas() + { + $this->_metadatasArray = array(); + } + + /** + * Load metadatas from disk + * + * @param string $id Cache id + * @return array|false Metadatas associative array + */ + protected function _loadMetadatas($id) + { + $file = $this->_metadatasFile($id); + $result = $this->_fileGetContents($file); + if (!$result) { + return false; + } + $tmp = @unserialize($result); + return $tmp; + } + + /** + * Save metadatas to disk + * + * @param string $id Cache id + * @param array $metadatas Associative array + * @return boolean True if no problem + */ + protected function _saveMetadatas($id, $metadatas) + { + $file = $this->_metadatasFile($id); + $result = $this->_filePutContents($file, serialize($metadatas)); + if (!$result) { + return false; + } + return true; + } + + /** + * Make and return a file name (with path) for metadatas + * + * @param string $id Cache id + * @return string Metadatas file name (with path) + */ + protected function _metadatasFile($id) + { + $path = $this->_path($id); + $fileName = $this->_idToFileName('internal-metadatas---' . $id); + return $path . $fileName; + } + + /** + * Check if the given filename is a metadatas one + * + * @param string $fileName File name + * @return boolean True if it's a metadatas one + */ + protected function _isMetadatasFile($fileName) + { + $id = $this->_fileNameToId($fileName); + if (substr($id, 0, 21) == 'internal-metadatas---') { + return true; + } else { + return false; + } + } + + /** + * Remove a file + * + * If we can't remove the file (because of locks or any problem), we will touch + * the file to invalidate it + * + * @param string $file Complete file path + * @return boolean True if ok + */ + protected function _remove($file) + { + if (!is_file($file)) { + return false; + } + if (!@unlink($file)) { + # we can't remove the file (because of locks or any problem) + $this->_log("Zend_Cache_Backend_File::_remove() : we can't remove $file"); + return false; + } + return true; + } + + /** + * Clean some cache records (protected method used for recursive stuff) + * + * Available modes are : + * Zend_Cache::CLEANING_MODE_ALL (default) => remove all cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_OLD => remove too old cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_MATCHING_TAG => remove cache entries matching all given tags + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG => remove cache entries not {matching one of the given tags} + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG => remove cache entries matching any given tags + * ($tags can be an array of strings or a single string) + * + * @param string $dir Directory to clean + * @param string $mode Clean mode + * @param array $tags Array of tags + * @throws Zend_Cache_Exception + * @return boolean True if no problem + */ + protected function _clean($dir, $mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()) + { + if (!is_dir($dir)) { + return false; + } + $result = true; + $prefix = $this->_options['file_name_prefix']; + $glob = @glob($dir . $prefix . '--*'); + if ($glob === false) { + // On some systems it is impossible to distinguish between empty match and an error. + return true; + } + foreach ($glob as $file) { + if (is_file($file)) { + $fileName = basename($file); + if ($this->_isMetadatasFile($fileName)) { + // in CLEANING_MODE_ALL, we drop anything, even remainings old metadatas files + if ($mode != Zend_Cache::CLEANING_MODE_ALL) { + continue; + } + } + $id = $this->_fileNameToId($fileName); + $metadatas = $this->_getMetadatas($id); + if ($metadatas === FALSE) { + $metadatas = array('expire' => 1, 'tags' => array()); + } + switch ($mode) { + case Zend_Cache::CLEANING_MODE_ALL: + $res = $this->remove($id); + if (!$res) { + // in this case only, we accept a problem with the metadatas file drop + $res = $this->_remove($file); + } + $result = $result && $res; + break; + case Zend_Cache::CLEANING_MODE_OLD: + if (time() > $metadatas['expire']) { + $result = $this->remove($id) && $result; + } + break; + case Zend_Cache::CLEANING_MODE_MATCHING_TAG: + $matching = true; + foreach ($tags as $tag) { + if (!in_array($tag, $metadatas['tags'])) { + $matching = false; + break; + } + } + if ($matching) { + $result = $this->remove($id) && $result; + } + break; + case Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG: + $matching = false; + foreach ($tags as $tag) { + if (in_array($tag, $metadatas['tags'])) { + $matching = true; + break; + } + } + if (!$matching) { + $result = $this->remove($id) && $result; + } + break; + case Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG: + $matching = false; + foreach ($tags as $tag) { + if (in_array($tag, $metadatas['tags'])) { + $matching = true; + break; + } + } + if ($matching) { + $result = $this->remove($id) && $result; + } + break; + default: + Zend_Cache::throwException('Invalid mode for clean() method'); + break; + } + } + if ((is_dir($file)) and ($this->_options['hashed_directory_level']>0)) { + // Recursive call + $result = $this->_clean($file . DIRECTORY_SEPARATOR, $mode, $tags) && $result; + if ($mode=='all') { + // if mode=='all', we try to drop the structure too + @rmdir($file); + } + } + } + return $result; + } + + protected function _get($dir, $mode, $tags = array()) + { + if (!is_dir($dir)) { + return false; + } + $result = array(); + $prefix = $this->_options['file_name_prefix']; + $glob = @glob($dir . $prefix . '--*'); + if ($glob === false) { + // On some systems it is impossible to distinguish between empty match and an error. + return array(); + } + foreach ($glob as $file) { + if (is_file($file)) { + $fileName = basename($file); + $id = $this->_fileNameToId($fileName); + $metadatas = $this->_getMetadatas($id); + if ($metadatas === FALSE) { + continue; + } + if (time() > $metadatas['expire']) { + continue; + } + switch ($mode) { + case 'ids': + $result[] = $id; + break; + case 'tags': + $result = array_unique(array_merge($result, $metadatas['tags'])); + break; + case 'matching': + $matching = true; + foreach ($tags as $tag) { + if (!in_array($tag, $metadatas['tags'])) { + $matching = false; + break; + } + } + if ($matching) { + $result[] = $id; + } + break; + case 'notMatching': + $matching = false; + foreach ($tags as $tag) { + if (in_array($tag, $metadatas['tags'])) { + $matching = true; + break; + } + } + if (!$matching) { + $result[] = $id; + } + break; + case 'matchingAny': + $matching = false; + foreach ($tags as $tag) { + if (in_array($tag, $metadatas['tags'])) { + $matching = true; + break; + } + } + if ($matching) { + $result[] = $id; + } + break; + default: + Zend_Cache::throwException('Invalid mode for _get() method'); + break; + } + } + if ((is_dir($file)) and ($this->_options['hashed_directory_level']>0)) { + // Recursive call + $recursiveRs = $this->_get($file . DIRECTORY_SEPARATOR, $mode, $tags); + if ($recursiveRs === false) { + $this->_log('Zend_Cache_Backend_File::_get() / recursive call : can\'t list entries of "'.$file.'"'); + } else { + $result = array_unique(array_merge($result, $recursiveRs)); + } + } + } + return array_unique($result); + } + + /** + * Compute & return the expire time + * + * @return int expire time (unix timestamp) + */ + protected function _expireTime($lifetime) + { + if ($lifetime === null) { + return 9999999999; + } + return time() + $lifetime; + } + + /** + * Make a control key with the string containing datas + * + * @param string $data Data + * @param string $controlType Type of control 'md5', 'crc32' or 'strlen' + * @throws Zend_Cache_Exception + * @return string Control key + */ + protected function _hash($data, $controlType) + { + switch ($controlType) { + case 'md5': + return md5($data); + case 'crc32': + return crc32($data); + case 'strlen': + return strlen($data); + case 'adler32': + return hash('adler32', $data); + default: + Zend_Cache::throwException("Incorrect hash function : $controlType"); + } + } + + /** + * Transform a cache id into a file name and return it + * + * @param string $id Cache id + * @return string File name + */ + protected function _idToFileName($id) + { + $prefix = $this->_options['file_name_prefix']; + $result = $prefix . '---' . $id; + return $result; + } + + /** + * Make and return a file name (with path) + * + * @param string $id Cache id + * @return string File name (with path) + */ + protected function _file($id) + { + $path = $this->_path($id); + $fileName = $this->_idToFileName($id); + return $path . $fileName; + } + + /** + * Return the complete directory path of a filename (including hashedDirectoryStructure) + * + * @param string $id Cache id + * @param boolean $parts if true, returns array of directory parts instead of single string + * @return string Complete directory path + */ + protected function _path($id, $parts = false) + { + $partsArray = array(); + $root = $this->_options['cache_dir']; + $prefix = $this->_options['file_name_prefix']; + if ($this->_options['hashed_directory_level']>0) { + $hash = hash('adler32', $id); + for ($i=0 ; $i < $this->_options['hashed_directory_level'] ; $i++) { + $root = $root . $prefix . '--' . substr($hash, 0, $i + 1) . DIRECTORY_SEPARATOR; + $partsArray[] = $root; + } + } + if ($parts) { + return $partsArray; + } else { + return $root; + } + } + + /** + * Make the directory strucuture for the given id + * + * @param string $id cache id + * @return boolean true + */ + protected function _recursiveMkdirAndChmod($id) + { + if ($this->_options['hashed_directory_level'] <=0) { + return true; + } + $partsArray = $this->_path($id, true); + foreach ($partsArray as $part) { + if (!is_dir($part)) { + @mkdir($part, $this->_options['hashed_directory_umask']); + @chmod($part, $this->_options['hashed_directory_umask']); // see #ZF-320 (this line is required in some configurations) + } + } + return true; + } + + /** + * Test if the given cache id is available (and still valid as a cache record) + * + * @param string $id Cache id + * @param boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested + * @return boolean|mixed false (a cache is not available) or "last modified" timestamp (int) of the available cache record + */ + protected function _test($id, $doNotTestCacheValidity) + { + $metadatas = $this->_getMetadatas($id); + if (!$metadatas) { + return false; + } + if ($doNotTestCacheValidity || (time() <= $metadatas['expire'])) { + return $metadatas['mtime']; + } + return false; + } + + /** + * Return the file content of the given file + * + * @param string $file File complete path + * @return string File content (or false if problem) + */ + protected function _fileGetContents($file) + { + $result = false; + if (!is_file($file)) { + return false; + } + $f = @fopen($file, 'rb'); + if ($f) { + if ($this->_options['file_locking']) @flock($f, LOCK_SH); + $result = stream_get_contents($f); + if ($this->_options['file_locking']) @flock($f, LOCK_UN); + @fclose($f); + } + return $result; + } + + /** + * Put the given string into the given file + * + * @param string $file File complete path + * @param string $string String to put in file + * @return boolean true if no problem + */ + protected function _filePutContents($file, $string) + { + $result = false; + $f = @fopen($file, 'ab+'); + if ($f) { + if ($this->_options['file_locking']) @flock($f, LOCK_EX); + fseek($f, 0); + ftruncate($f, 0); + $tmp = @fwrite($f, $string); + if (!($tmp === FALSE)) { + $result = true; + } + @fclose($f); + } + @chmod($file, $this->_options['cache_file_umask']); + return $result; + } + + /** + * Transform a file name into cache id and return it + * + * @param string $fileName File name + * @return string Cache id + */ + protected function _fileNameToId($fileName) + { + $prefix = $this->_options['file_name_prefix']; + return preg_replace('~^' . $prefix . '---(.*)$~', '$1', $fileName); + } + +} diff --git a/libraries/Zend/Cache/Backend/Interface.php b/libraries/Zend/Cache/Backend/Interface.php new file mode 100644 index 0000000..3e8c7d1 --- /dev/null +++ b/libraries/Zend/Cache/Backend/Interface.php @@ -0,0 +1,99 @@ + infinite lifetime) + * @return boolean true if no problem + */ + public function save($data, $id, $tags = array(), $specificLifetime = false); + + /** + * Remove a cache record + * + * @param string $id Cache id + * @return boolean True if no problem + */ + public function remove($id); + + /** + * Clean some cache records + * + * Available modes are : + * Zend_Cache::CLEANING_MODE_ALL (default) => remove all cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_OLD => remove too old cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_MATCHING_TAG => remove cache entries matching all given tags + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG => remove cache entries not {matching one of the given tags} + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG => remove cache entries matching any given tags + * ($tags can be an array of strings or a single string) + * + * @param string $mode Clean mode + * @param array $tags Array of tags + * @return boolean true if no problem + */ + public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()); + +} diff --git a/libraries/Zend/Cache/Backend/Memcached.php b/libraries/Zend/Cache/Backend/Memcached.php new file mode 100644 index 0000000..592d940 --- /dev/null +++ b/libraries/Zend/Cache/Backend/Memcached.php @@ -0,0 +1,504 @@ + (array) servers : + * an array of memcached server ; each memcached server is described by an associative array : + * 'host' => (string) : the name of the memcached server + * 'port' => (int) : the port of the memcached server + * 'persistent' => (bool) : use or not persistent connections to this memcached server + * 'weight' => (int) : number of buckets to create for this server which in turn control its + * probability of it being selected. The probability is relative to the total + * weight of all servers. + * 'timeout' => (int) : value in seconds which will be used for connecting to the daemon. Think twice + * before changing the default value of 1 second - you can lose all the + * advantages of caching if your connection is too slow. + * 'retry_interval' => (int) : controls how often a failed server will be retried, the default value + * is 15 seconds. Setting this parameter to -1 disables automatic retry. + * 'status' => (bool) : controls if the server should be flagged as online. + * 'failure_callback' => (callback) : Allows the user to specify a callback function to run upon + * encountering an error. The callback is run before failover + * is attempted. The function takes two parameters, the hostname + * and port of the failed server. + * + * =====> (boolean) compression : + * true if you want to use on-the-fly compression + * + * =====> (boolean) compatibility : + * true if you use old memcache server or extension + * + * @var array available options + */ + protected $_options = array( + 'servers' => array(array( + 'host' => self::DEFAULT_HOST, + 'port' => self::DEFAULT_PORT, + 'persistent' => self::DEFAULT_PERSISTENT, + 'weight' => self::DEFAULT_WEIGHT, + 'timeout' => self::DEFAULT_TIMEOUT, + 'retry_interval' => self::DEFAULT_RETRY_INTERVAL, + 'status' => self::DEFAULT_STATUS, + 'failure_callback' => self::DEFAULT_FAILURE_CALLBACK + )), + 'compression' => false, + 'compatibility' => false, + ); + + /** + * Memcache object + * + * @var mixed memcache object + */ + protected $_memcache = null; + + /** + * Constructor + * + * @param array $options associative array of options + * @throws Zend_Cache_Exception + * @return void + */ + public function __construct(array $options = array()) + { + if (!extension_loaded('memcache')) { + Zend_Cache::throwException('The memcache extension must be loaded for using this backend !'); + } + parent::__construct($options); + if (isset($this->_options['servers'])) { + $value= $this->_options['servers']; + if (isset($value['host'])) { + // in this case, $value seems to be a simple associative array (one server only) + $value = array(0 => $value); // let's transform it into a classical array of associative arrays + } + $this->setOption('servers', $value); + } + $this->_memcache = new Memcache; + foreach ($this->_options['servers'] as $server) { + if (!array_key_exists('port', $server)) { + $server['port'] = self::DEFAULT_PORT; + } + if (!array_key_exists('persistent', $server)) { + $server['persistent'] = self::DEFAULT_PERSISTENT; + } + if (!array_key_exists('weight', $server)) { + $server['weight'] = self::DEFAULT_WEIGHT; + } + if (!array_key_exists('timeout', $server)) { + $server['timeout'] = self::DEFAULT_TIMEOUT; + } + if (!array_key_exists('retry_interval', $server)) { + $server['retry_interval'] = self::DEFAULT_RETRY_INTERVAL; + } + if (!array_key_exists('status', $server)) { + $server['status'] = self::DEFAULT_STATUS; + } + if (!array_key_exists('failure_callback', $server)) { + $server['failure_callback'] = self::DEFAULT_FAILURE_CALLBACK; + } + if ($this->_options['compatibility']) { + // No status for compatibility mode (#ZF-5887) + $this->_memcache->addServer($server['host'], $server['port'], $server['persistent'], + $server['weight'], $server['timeout'], + $server['retry_interval']); + } else { + $this->_memcache->addServer($server['host'], $server['port'], $server['persistent'], + $server['weight'], $server['timeout'], + $server['retry_interval'], + $server['status'], $server['failure_callback']); + } + } + } + + /** + * Test if a cache is available for the given id and (if yes) return it (false else) + * + * @param string $id Cache id + * @param boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested + * @return string|false cached datas + */ + public function load($id, $doNotTestCacheValidity = false) + { + $tmp = $this->_memcache->get($id); + if (is_array($tmp) && isset($tmp[0])) { + return $tmp[0]; + } + return false; + } + + /** + * Test if a cache is available or not (for the given id) + * + * @param string $id Cache id + * @return mixed|false (a cache is not available) or "last modified" timestamp (int) of the available cache record + */ + public function test($id) + { + $tmp = $this->_memcache->get($id); + if (is_array($tmp)) { + return $tmp[1]; + } + return false; + } + + /** + * Save some string datas into a cache record + * + * Note : $data is always "string" (serialization is done by the + * core not by the backend) + * + * @param string $data Datas to cache + * @param string $id Cache id + * @param array $tags Array of strings, the cache record will be tagged by each string entry + * @param int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime) + * @return boolean True if no problem + */ + public function save($data, $id, $tags = array(), $specificLifetime = false) + { + $lifetime = $this->getLifetime($specificLifetime); + if ($this->_options['compression']) { + $flag = MEMCACHE_COMPRESSED; + } else { + $flag = 0; + } + + // ZF-8856: using set because add needs a second request if item already exists + $result = @$this->_memcache->set($id, array($data, time(), $lifetime), $flag, $lifetime); + + if (count($tags) > 0) { + $this->_log(self::TAGS_UNSUPPORTED_BY_SAVE_OF_MEMCACHED_BACKEND); + } + + return $result; + } + + /** + * Remove a cache record + * + * @param string $id Cache id + * @return boolean True if no problem + */ + public function remove($id) + { + return $this->_memcache->delete($id, 0); + } + + /** + * Clean some cache records + * + * Available modes are : + * 'all' (default) => remove all cache entries ($tags is not used) + * 'old' => unsupported + * 'matchingTag' => unsupported + * 'notMatchingTag' => unsupported + * 'matchingAnyTag' => unsupported + * + * @param string $mode Clean mode + * @param array $tags Array of tags + * @throws Zend_Cache_Exception + * @return boolean True if no problem + */ + public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()) + { + switch ($mode) { + case Zend_Cache::CLEANING_MODE_ALL: + return $this->_memcache->flush(); + break; + case Zend_Cache::CLEANING_MODE_OLD: + $this->_log("Zend_Cache_Backend_Memcached::clean() : CLEANING_MODE_OLD is unsupported by the Memcached backend"); + break; + case Zend_Cache::CLEANING_MODE_MATCHING_TAG: + case Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG: + case Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG: + $this->_log(self::TAGS_UNSUPPORTED_BY_CLEAN_OF_MEMCACHED_BACKEND); + break; + default: + Zend_Cache::throwException('Invalid mode for clean() method'); + break; + } + } + + /** + * Return true if the automatic cleaning is available for the backend + * + * @return boolean + */ + public function isAutomaticCleaningAvailable() + { + return false; + } + + /** + * Set the frontend directives + * + * @param array $directives Assoc of directives + * @throws Zend_Cache_Exception + * @return void + */ + public function setDirectives($directives) + { + parent::setDirectives($directives); + $lifetime = $this->getLifetime(false); + if ($lifetime > 2592000) { + // #ZF-3490 : For the memcached backend, there is a lifetime limit of 30 days (2592000 seconds) + $this->_log('memcached backend has a limit of 30 days (2592000 seconds) for the lifetime'); + } + if ($lifetime === null) { + // #ZF-4614 : we tranform null to zero to get the maximal lifetime + parent::setDirectives(array('lifetime' => 0)); + } + } + + /** + * Return an array of stored cache ids + * + * @return array array of stored cache ids (string) + */ + public function getIds() + { + $this->_log("Zend_Cache_Backend_Memcached::save() : getting the list of cache ids is unsupported by the Memcache backend"); + return array(); + } + + /** + * Return an array of stored tags + * + * @return array array of stored tags (string) + */ + public function getTags() + { + $this->_log(self::TAGS_UNSUPPORTED_BY_SAVE_OF_MEMCACHED_BACKEND); + return array(); + } + + /** + * Return an array of stored cache ids which match given tags + * + * In case of multiple tags, a logical AND is made between tags + * + * @param array $tags array of tags + * @return array array of matching cache ids (string) + */ + public function getIdsMatchingTags($tags = array()) + { + $this->_log(self::TAGS_UNSUPPORTED_BY_SAVE_OF_MEMCACHED_BACKEND); + return array(); + } + + /** + * Return an array of stored cache ids which don't match given tags + * + * In case of multiple tags, a logical OR is made between tags + * + * @param array $tags array of tags + * @return array array of not matching cache ids (string) + */ + public function getIdsNotMatchingTags($tags = array()) + { + $this->_log(self::TAGS_UNSUPPORTED_BY_SAVE_OF_MEMCACHED_BACKEND); + return array(); + } + + /** + * Return an array of stored cache ids which match any given tags + * + * In case of multiple tags, a logical AND is made between tags + * + * @param array $tags array of tags + * @return array array of any matching cache ids (string) + */ + public function getIdsMatchingAnyTags($tags = array()) + { + $this->_log(self::TAGS_UNSUPPORTED_BY_SAVE_OF_MEMCACHED_BACKEND); + return array(); + } + + /** + * Return the filling percentage of the backend storage + * + * @throws Zend_Cache_Exception + * @return int integer between 0 and 100 + */ + public function getFillingPercentage() + { + $mems = $this->_memcache->getExtendedStats(); + + $memSize = null; + $memUsed = null; + foreach ($mems as $key => $mem) { + if ($mem === false) { + $this->_log('can\'t get stat from ' . $key); + continue; + } + + $eachSize = $mem['limit_maxbytes']; + $eachUsed = $mem['bytes']; + if ($eachUsed > $eachSize) { + $eachUsed = $eachSize; + } + + $memSize += $eachSize; + $memUsed += $eachUsed; + } + + if ($memSize === null || $memUsed === null) { + Zend_Cache::throwException('Can\'t get filling percentage'); + } + + return ((int) (100. * ($memUsed / $memSize))); + } + + /** + * Return an array of metadatas for the given cache id + * + * The array must include these keys : + * - expire : the expire timestamp + * - tags : a string array of tags + * - mtime : timestamp of last modification time + * + * @param string $id cache id + * @return array array of metadatas (false if the cache id is not found) + */ + public function getMetadatas($id) + { + $tmp = $this->_memcache->get($id); + if (is_array($tmp)) { + $data = $tmp[0]; + $mtime = $tmp[1]; + if (!isset($tmp[2])) { + // because this record is only with 1.7 release + // if old cache records are still there... + return false; + } + $lifetime = $tmp[2]; + return array( + 'expire' => $mtime + $lifetime, + 'tags' => array(), + 'mtime' => $mtime + ); + } + return false; + } + + /** + * Give (if possible) an extra lifetime to the given cache id + * + * @param string $id cache id + * @param int $extraLifetime + * @return boolean true if ok + */ + public function touch($id, $extraLifetime) + { + if ($this->_options['compression']) { + $flag = MEMCACHE_COMPRESSED; + } else { + $flag = 0; + } + $tmp = $this->_memcache->get($id); + if (is_array($tmp)) { + $data = $tmp[0]; + $mtime = $tmp[1]; + if (!isset($tmp[2])) { + // because this record is only with 1.7 release + // if old cache records are still there... + return false; + } + $lifetime = $tmp[2]; + $newLifetime = $lifetime - (time() - $mtime) + $extraLifetime; + if ($newLifetime <=0) { + return false; + } + // #ZF-5702 : we try replace() first becase set() seems to be slower + if (!($result = $this->_memcache->replace($id, array($data, time(), $newLifetime), $flag, $newLifetime))) { + $result = $this->_memcache->set($id, array($data, time(), $newLifetime), $flag, $newLifetime); + } + return $result; + } + return false; + } + + /** + * Return an associative array of capabilities (booleans) of the backend + * + * The array must include these keys : + * - automatic_cleaning (is automating cleaning necessary) + * - tags (are tags supported) + * - expired_read (is it possible to read expired cache records + * (for doNotTestCacheValidity option for example)) + * - priority does the backend deal with priority when saving + * - infinite_lifetime (is infinite lifetime can work with this backend) + * - get_list (is it possible to get the list of cache ids and the complete list of tags) + * + * @return array associative of with capabilities + */ + public function getCapabilities() + { + return array( + 'automatic_cleaning' => false, + 'tags' => false, + 'expired_read' => false, + 'priority' => false, + 'infinite_lifetime' => false, + 'get_list' => false + ); + } + +} diff --git a/libraries/Zend/Cache/Backend/Sqlite.php b/libraries/Zend/Cache/Backend/Sqlite.php new file mode 100644 index 0000000..5b81fc3 --- /dev/null +++ b/libraries/Zend/Cache/Backend/Sqlite.php @@ -0,0 +1,679 @@ + (string) cache_db_complete_path : + * - the complete path (filename included) of the SQLITE database + * + * ====> (int) automatic_vacuum_factor : + * - Disable / Tune the automatic vacuum process + * - The automatic vacuum process defragment the database file (and make it smaller) + * when a clean() or delete() is called + * 0 => no automatic vacuum + * 1 => systematic vacuum (when delete() or clean() methods are called) + * x (integer) > 1 => automatic vacuum randomly 1 times on x clean() or delete() + * + * @var array Available options + */ + protected $_options = array( + 'cache_db_complete_path' => null, + 'automatic_vacuum_factor' => 10 + ); + + /** + * DB ressource + * + * @var mixed $_db + */ + private $_db = null; + + /** + * Boolean to store if the structure has benn checked or not + * + * @var boolean $_structureChecked + */ + private $_structureChecked = false; + + /** + * Constructor + * + * @param array $options Associative array of options + * @throws Zend_cache_Exception + * @return void + */ + public function __construct(array $options = array()) + { + parent::__construct($options); + if ($this->_options['cache_db_complete_path'] === null) { + Zend_Cache::throwException('cache_db_complete_path option has to set'); + } + if (!extension_loaded('sqlite')) { + Zend_Cache::throwException("Cannot use SQLite storage because the 'sqlite' extension is not loaded in the current PHP environment"); + } + $this->_getConnection(); + } + + /** + * Destructor + * + * @return void + */ + public function __destruct() + { + @sqlite_close($this->_getConnection()); + } + + /** + * Test if a cache is available for the given id and (if yes) return it (false else) + * + * @param string $id Cache id + * @param boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested + * @return string|false Cached datas + */ + public function load($id, $doNotTestCacheValidity = false) + { + $this->_checkAndBuildStructure(); + $sql = "SELECT content FROM cache WHERE id='$id'"; + if (!$doNotTestCacheValidity) { + $sql = $sql . " AND (expire=0 OR expire>" . time() . ')'; + } + $result = $this->_query($sql); + $row = @sqlite_fetch_array($result); + if ($row) { + return $row['content']; + } + return false; + } + + /** + * Test if a cache is available or not (for the given id) + * + * @param string $id Cache id + * @return mixed|false (a cache is not available) or "last modified" timestamp (int) of the available cache record + */ + public function test($id) + { + $this->_checkAndBuildStructure(); + $sql = "SELECT lastModified FROM cache WHERE id='$id' AND (expire=0 OR expire>" . time() . ')'; + $result = $this->_query($sql); + $row = @sqlite_fetch_array($result); + if ($row) { + return ((int) $row['lastModified']); + } + return false; + } + + /** + * Save some string datas into a cache record + * + * Note : $data is always "string" (serialization is done by the + * core not by the backend) + * + * @param string $data Datas to cache + * @param string $id Cache id + * @param array $tags Array of strings, the cache record will be tagged by each string entry + * @param int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime) + * @throws Zend_Cache_Exception + * @return boolean True if no problem + */ + public function save($data, $id, $tags = array(), $specificLifetime = false) + { + $this->_checkAndBuildStructure(); + $lifetime = $this->getLifetime($specificLifetime); + $data = @sqlite_escape_string($data); + $mktime = time(); + if ($lifetime === null) { + $expire = 0; + } else { + $expire = $mktime + $lifetime; + } + $this->_query("DELETE FROM cache WHERE id='$id'"); + $sql = "INSERT INTO cache (id, content, lastModified, expire) VALUES ('$id', '$data', $mktime, $expire)"; + $res = $this->_query($sql); + if (!$res) { + $this->_log("Zend_Cache_Backend_Sqlite::save() : impossible to store the cache id=$id"); + return false; + } + $res = true; + foreach ($tags as $tag) { + $res = $this->_registerTag($id, $tag) && $res; + } + return $res; + } + + /** + * Remove a cache record + * + * @param string $id Cache id + * @return boolean True if no problem + */ + public function remove($id) + { + $this->_checkAndBuildStructure(); + $res = $this->_query("SELECT COUNT(*) AS nbr FROM cache WHERE id='$id'"); + $result1 = @sqlite_fetch_single($res); + $result2 = $this->_query("DELETE FROM cache WHERE id='$id'"); + $result3 = $this->_query("DELETE FROM tag WHERE id='$id'"); + $this->_automaticVacuum(); + return ($result1 && $result2 && $result3); + } + + /** + * Clean some cache records + * + * Available modes are : + * Zend_Cache::CLEANING_MODE_ALL (default) => remove all cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_OLD => remove too old cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_MATCHING_TAG => remove cache entries matching all given tags + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG => remove cache entries not {matching one of the given tags} + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG => remove cache entries matching any given tags + * ($tags can be an array of strings or a single string) + * + * @param string $mode Clean mode + * @param array $tags Array of tags + * @return boolean True if no problem + */ + public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()) + { + $this->_checkAndBuildStructure(); + $return = $this->_clean($mode, $tags); + $this->_automaticVacuum(); + return $return; + } + + /** + * Return an array of stored cache ids + * + * @return array array of stored cache ids (string) + */ + public function getIds() + { + $this->_checkAndBuildStructure(); + $res = $this->_query("SELECT id FROM cache WHERE (expire=0 OR expire>" . time() . ")"); + $result = array(); + while ($id = @sqlite_fetch_single($res)) { + $result[] = $id; + } + return $result; + } + + /** + * Return an array of stored tags + * + * @return array array of stored tags (string) + */ + public function getTags() + { + $this->_checkAndBuildStructure(); + $res = $this->_query("SELECT DISTINCT(name) AS name FROM tag"); + $result = array(); + while ($id = @sqlite_fetch_single($res)) { + $result[] = $id; + } + return $result; + } + + /** + * Return an array of stored cache ids which match given tags + * + * In case of multiple tags, a logical AND is made between tags + * + * @param array $tags array of tags + * @return array array of matching cache ids (string) + */ + public function getIdsMatchingTags($tags = array()) + { + $first = true; + $ids = array(); + foreach ($tags as $tag) { + $res = $this->_query("SELECT DISTINCT(id) AS id FROM tag WHERE name='$tag'"); + if (!$res) { + return array(); + } + $rows = @sqlite_fetch_all($res, SQLITE_ASSOC); + $ids2 = array(); + foreach ($rows as $row) { + $ids2[] = $row['id']; + } + if ($first) { + $ids = $ids2; + $first = false; + } else { + $ids = array_intersect($ids, $ids2); + } + } + $result = array(); + foreach ($ids as $id) { + $result[] = $id; + } + return $result; + } + + /** + * Return an array of stored cache ids which don't match given tags + * + * In case of multiple tags, a logical OR is made between tags + * + * @param array $tags array of tags + * @return array array of not matching cache ids (string) + */ + public function getIdsNotMatchingTags($tags = array()) + { + $res = $this->_query("SELECT id FROM cache"); + $rows = @sqlite_fetch_all($res, SQLITE_ASSOC); + $result = array(); + foreach ($rows as $row) { + $id = $row['id']; + $matching = false; + foreach ($tags as $tag) { + $res = $this->_query("SELECT COUNT(*) AS nbr FROM tag WHERE name='$tag' AND id='$id'"); + if (!$res) { + return array(); + } + $nbr = (int) @sqlite_fetch_single($res); + if ($nbr > 0) { + $matching = true; + } + } + if (!$matching) { + $result[] = $id; + } + } + return $result; + } + + /** + * Return an array of stored cache ids which match any given tags + * + * In case of multiple tags, a logical AND is made between tags + * + * @param array $tags array of tags + * @return array array of any matching cache ids (string) + */ + public function getIdsMatchingAnyTags($tags = array()) + { + $first = true; + $ids = array(); + foreach ($tags as $tag) { + $res = $this->_query("SELECT DISTINCT(id) AS id FROM tag WHERE name='$tag'"); + if (!$res) { + return array(); + } + $rows = @sqlite_fetch_all($res, SQLITE_ASSOC); + $ids2 = array(); + foreach ($rows as $row) { + $ids2[] = $row['id']; + } + if ($first) { + $ids = $ids2; + $first = false; + } else { + $ids = array_merge($ids, $ids2); + } + } + $result = array(); + foreach ($ids as $id) { + $result[] = $id; + } + return $result; + } + + /** + * Return the filling percentage of the backend storage + * + * @throws Zend_Cache_Exception + * @return int integer between 0 and 100 + */ + public function getFillingPercentage() + { + $dir = dirname($this->_options['cache_db_complete_path']); + $free = disk_free_space($dir); + $total = disk_total_space($dir); + if ($total == 0) { + Zend_Cache::throwException('can\'t get disk_total_space'); + } else { + if ($free >= $total) { + return 100; + } + return ((int) (100. * ($total - $free) / $total)); + } + } + + /** + * Return an array of metadatas for the given cache id + * + * The array must include these keys : + * - expire : the expire timestamp + * - tags : a string array of tags + * - mtime : timestamp of last modification time + * + * @param string $id cache id + * @return array array of metadatas (false if the cache id is not found) + */ + public function getMetadatas($id) + { + $tags = array(); + $res = $this->_query("SELECT name FROM tag WHERE id='$id'"); + if ($res) { + $rows = @sqlite_fetch_all($res, SQLITE_ASSOC); + foreach ($rows as $row) { + $tags[] = $row['name']; + } + } + $this->_query('CREATE TABLE cache (id TEXT PRIMARY KEY, content BLOB, lastModified INTEGER, expire INTEGER)'); + $res = $this->_query("SELECT lastModified,expire FROM cache WHERE id='$id'"); + if (!$res) { + return false; + } + $row = @sqlite_fetch_array($res, SQLITE_ASSOC); + return array( + 'tags' => $tags, + 'mtime' => $row['lastModified'], + 'expire' => $row['expire'] + ); + } + + /** + * Give (if possible) an extra lifetime to the given cache id + * + * @param string $id cache id + * @param int $extraLifetime + * @return boolean true if ok + */ + public function touch($id, $extraLifetime) + { + $sql = "SELECT expire FROM cache WHERE id='$id' AND (expire=0 OR expire>" . time() . ')'; + $res = $this->_query($sql); + if (!$res) { + return false; + } + $expire = @sqlite_fetch_single($res); + $newExpire = $expire + $extraLifetime; + $res = $this->_query("UPDATE cache SET lastModified=" . time() . ", expire=$newExpire WHERE id='$id'"); + if ($res) { + return true; + } else { + return false; + } + } + + /** + * Return an associative array of capabilities (booleans) of the backend + * + * The array must include these keys : + * - automatic_cleaning (is automating cleaning necessary) + * - tags (are tags supported) + * - expired_read (is it possible to read expired cache records + * (for doNotTestCacheValidity option for example)) + * - priority does the backend deal with priority when saving + * - infinite_lifetime (is infinite lifetime can work with this backend) + * - get_list (is it possible to get the list of cache ids and the complete list of tags) + * + * @return array associative of with capabilities + */ + public function getCapabilities() + { + return array( + 'automatic_cleaning' => true, + 'tags' => true, + 'expired_read' => true, + 'priority' => false, + 'infinite_lifetime' => true, + 'get_list' => true + ); + } + + /** + * PUBLIC METHOD FOR UNIT TESTING ONLY ! + * + * Force a cache record to expire + * + * @param string $id Cache id + */ + public function ___expire($id) + { + $time = time() - 1; + $this->_query("UPDATE cache SET lastModified=$time, expire=$time WHERE id='$id'"); + } + + /** + * Return the connection resource + * + * If we are not connected, the connection is made + * + * @throws Zend_Cache_Exception + * @return resource Connection resource + */ + private function _getConnection() + { + if (is_resource($this->_db)) { + return $this->_db; + } else { + $this->_db = @sqlite_open($this->_options['cache_db_complete_path']); + if (!(is_resource($this->_db))) { + Zend_Cache::throwException("Impossible to open " . $this->_options['cache_db_complete_path'] . " cache DB file"); + } + return $this->_db; + } + } + + /** + * Execute an SQL query silently + * + * @param string $query SQL query + * @return mixed|false query results + */ + private function _query($query) + { + $db = $this->_getConnection(); + if (is_resource($db)) { + $res = @sqlite_query($db, $query); + if ($res === false) { + return false; + } else { + return $res; + } + } + return false; + } + + /** + * Deal with the automatic vacuum process + * + * @return void + */ + private function _automaticVacuum() + { + if ($this->_options['automatic_vacuum_factor'] > 0) { + $rand = rand(1, $this->_options['automatic_vacuum_factor']); + if ($rand == 1) { + $this->_query('VACUUM'); + @sqlite_close($this->_getConnection()); + } + } + } + + /** + * Register a cache id with the given tag + * + * @param string $id Cache id + * @param string $tag Tag + * @return boolean True if no problem + */ + private function _registerTag($id, $tag) { + $res = $this->_query("DELETE FROM TAG WHERE name='$tag' AND id='$id'"); + $res = $this->_query("INSERT INTO tag (name, id) VALUES ('$tag', '$id')"); + if (!$res) { + $this->_log("Zend_Cache_Backend_Sqlite::_registerTag() : impossible to register tag=$tag on id=$id"); + return false; + } + return true; + } + + /** + * Build the database structure + * + * @return false + */ + private function _buildStructure() + { + $this->_query('DROP INDEX tag_id_index'); + $this->_query('DROP INDEX tag_name_index'); + $this->_query('DROP INDEX cache_id_expire_index'); + $this->_query('DROP TABLE version'); + $this->_query('DROP TABLE cache'); + $this->_query('DROP TABLE tag'); + $this->_query('CREATE TABLE version (num INTEGER PRIMARY KEY)'); + $this->_query('CREATE TABLE cache (id TEXT PRIMARY KEY, content BLOB, lastModified INTEGER, expire INTEGER)'); + $this->_query('CREATE TABLE tag (name TEXT, id TEXT)'); + $this->_query('CREATE INDEX tag_id_index ON tag(id)'); + $this->_query('CREATE INDEX tag_name_index ON tag(name)'); + $this->_query('CREATE INDEX cache_id_expire_index ON cache(id, expire)'); + $this->_query('INSERT INTO version (num) VALUES (1)'); + } + + /** + * Check if the database structure is ok (with the good version) + * + * @return boolean True if ok + */ + private function _checkStructureVersion() + { + $result = $this->_query("SELECT num FROM version"); + if (!$result) return false; + $row = @sqlite_fetch_array($result); + if (!$row) { + return false; + } + if (((int) $row['num']) != 1) { + // old cache structure + $this->_log('Zend_Cache_Backend_Sqlite::_checkStructureVersion() : old cache structure version detected => the cache is going to be dropped'); + return false; + } + return true; + } + + /** + * Clean some cache records + * + * Available modes are : + * Zend_Cache::CLEANING_MODE_ALL (default) => remove all cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_OLD => remove too old cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_MATCHING_TAG => remove cache entries matching all given tags + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG => remove cache entries not {matching one of the given tags} + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG => remove cache entries matching any given tags + * ($tags can be an array of strings or a single string) + * + * @param string $mode Clean mode + * @param array $tags Array of tags + * @return boolean True if no problem + */ + private function _clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()) + { + switch ($mode) { + case Zend_Cache::CLEANING_MODE_ALL: + $res1 = $this->_query('DELETE FROM cache'); + $res2 = $this->_query('DELETE FROM tag'); + return $res1 && $res2; + break; + case Zend_Cache::CLEANING_MODE_OLD: + $mktime = time(); + $res1 = $this->_query("DELETE FROM tag WHERE id IN (SELECT id FROM cache WHERE expire>0 AND expire<=$mktime)"); + $res2 = $this->_query("DELETE FROM cache WHERE expire>0 AND expire<=$mktime"); + return $res1 && $res2; + break; + case Zend_Cache::CLEANING_MODE_MATCHING_TAG: + $ids = $this->getIdsMatchingTags($tags); + $result = true; + foreach ($ids as $id) { + $result = $this->remove($id) && $result; + } + return $result; + break; + case Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG: + $ids = $this->getIdsNotMatchingTags($tags); + $result = true; + foreach ($ids as $id) { + $result = $this->remove($id) && $result; + } + return $result; + break; + case Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG: + $ids = $this->getIdsMatchingAnyTags($tags); + $result = true; + foreach ($ids as $id) { + $result = $this->remove($id) && $result; + } + return $result; + break; + default: + break; + } + return false; + } + + /** + * Check if the database structure is ok (with the good version), if no : build it + * + * @throws Zend_Cache_Exception + * @return boolean True if ok + */ + private function _checkAndBuildStructure() + { + if (!($this->_structureChecked)) { + if (!$this->_checkStructureVersion()) { + $this->_buildStructure(); + if (!$this->_checkStructureVersion()) { + Zend_Cache::throwException("Impossible to build cache structure in " . $this->_options['cache_db_complete_path']); + } + } + $this->_structureChecked = true; + } + return true; + } + +} diff --git a/libraries/Zend/Cache/Backend/Static.php b/libraries/Zend/Cache/Backend/Static.php new file mode 100644 index 0000000..5e11a64 --- /dev/null +++ b/libraries/Zend/Cache/Backend/Static.php @@ -0,0 +1,566 @@ + null, + 'sub_dir' => 'html', + 'file_extension' => '.html', + 'index_filename' => 'index', + 'file_locking' => true, + 'cache_file_umask' => 0600, + 'cache_directory_umask' => 0700, + 'debug_header' => false, + 'tag_cache' => null, + 'disable_caching' => false + ); + + /** + * Cache for handling tags + * @var Zend_Cache_Core + */ + protected $_tagCache = null; + + /** + * Tagged items + * @var array + */ + protected $_tagged = null; + + /** + * Interceptor child method to handle the case where an Inner + * Cache object is being set since it's not supported by the + * standard backend interface + * + * @param string $name + * @param mixed $value + * @return Zend_Cache_Backend_Static + */ + public function setOption($name, $value) + { + if ($name == 'tag_cache') { + $this->setInnerCache($value); + } else { + parent::setOption($name, $value); + } + return $this; + } + + /** + * Retrieve any option via interception of the parent's statically held + * options including the local option for a tag cache. + * + * @param string $name + * @return mixed + */ + public function getOption($name) + { + if ($name == 'tag_cache') { + return $this->getInnerCache(); + } else { + if (in_array($name, $this->_options)) { + return $this->_options[$name]; + } + if ($name == 'lifetime') { + return parent::getLifetime(); + } + return null; + } + } + + /** + * Test if a cache is available for the given id and (if yes) return it (false else) + * + * Note : return value is always "string" (unserialization is done by the core not by the backend) + * + * @param string $id Cache id + * @param boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested + * @return string|false cached datas + */ + public function load($id, $doNotTestCacheValidity = false) + { + if (empty($id)) { + $id = $this->_detectId(); + } else { + $id = $this->_decodeId($id); + } + if (!$this->_verifyPath($id)) { + Zend_Cache::throwException('Invalid cache id: does not match expected public_dir path'); + } + if ($doNotTestCacheValidity) { + $this->_log("Zend_Cache_Backend_Static::load() : \$doNotTestCacheValidity=true is unsupported by the Static backend"); + } + + $fileName = basename($id); + if (empty($fileName)) { + $fileName = $this->_options['index_filename']; + } + $pathName = $this->_options['public_dir'] . dirname($id); + $file = rtrim($pathName, '/') . '/' . $fileName . $this->_options['file_extension']; + if (file_exists($file)) { + $content = file_get_contents($file); + return $content; + } + + return false; + } + + /** + * Test if a cache is available or not (for the given id) + * + * @param string $id cache id + * @return bool + */ + public function test($id) + { + $id = $this->_decodeId($id); + if (!$this->_verifyPath($id)) { + Zend_Cache::throwException('Invalid cache id: does not match expected public_dir path'); + } + + $fileName = basename($id); + if (empty($fileName)) { + $fileName = $this->_options['index_filename']; + } + if (is_null($this->_tagged) && $tagged = $this->getInnerCache()->load(self::INNER_CACHE_NAME)) { + $this->_tagged = $tagged; + } elseif (!$this->_tagged) { + return false; + } + $pathName = $this->_options['public_dir'] . dirname($id); + + // Switch extension if needed + if (isset($this->_tagged[$id])) { + $extension = $this->_tagged[$id]['extension']; + } else { + $extension = $this->_options['file_extension']; + } + $file = $pathName . '/' . $fileName . $extension; + if (file_exists($file)) { + return true; + } + return false; + } + + /** + * Save some string datas into a cache record + * + * Note : $data is always "string" (serialization is done by the + * core not by the backend) + * + * @param string $data Datas to cache + * @param string $id Cache id + * @param array $tags Array of strings, the cache record will be tagged by each string entry + * @param int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime) + * @return boolean true if no problem + */ + public function save($data, $id, $tags = array(), $specificLifetime = false) + { + if ($this->_options['disable_caching']) { + return true; + } + $extension = null; + if ($this->_isSerialized($data)) { + $data = unserialize($data); + $extension = '.' . ltrim($data[1], '.'); + $data = $data[0]; + } + + clearstatcache(); + if (is_null($id) || strlen($id) == 0) { + $id = $this->_detectId(); + } else { + $id = $this->_decodeId($id); + } + + $fileName = basename($id); + if (empty($fileName)) { + $fileName = $this->_options['index_filename']; + } + + $pathName = realpath($this->_options['public_dir']) . dirname($id); + $this->_createDirectoriesFor($pathName); + + if (is_null($id) || strlen($id) == 0) { + $dataUnserialized = unserialize($data); + $data = $dataUnserialized['data']; + } + $ext = $this->_options['file_extension']; + if ($extension) $ext = $extension; + $file = rtrim($pathName, '/') . '/' . $fileName . $ext; + if ($this->_options['file_locking']) { + $result = file_put_contents($file, $data, LOCK_EX); + } else { + $result = file_put_contents($file, $data); + } + @chmod($file, $this->_octdec($this->_options['cache_file_umask'])); + + if (is_null($this->_tagged) && $tagged = $this->getInnerCache()->load(self::INNER_CACHE_NAME)) { + $this->_tagged = $tagged; + } elseif (is_null($this->_tagged)) { + $this->_tagged = array(); + } + if (!isset($this->_tagged[$id])) { + $this->_tagged[$id] = array(); + } + if (!isset($this->_tagged[$id]['tags'])) { + $this->_tagged[$id]['tags'] = array(); + } + $this->_tagged[$id]['tags'] = array_unique(array_merge($this->_tagged[$id]['tags'], $tags)); + $this->_tagged[$id]['extension'] = $ext; + $this->getInnerCache()->save($this->_tagged, self::INNER_CACHE_NAME); + return (bool) $result; + } + + /** + * Recursively create the directories needed to write the static file + */ + protected function _createDirectoriesFor($path) + { + if ( !is_dir($path) + && !@mkdir($path, $this->_options['cache_directory_umask'], true)) { + $lastErr = error_get_last(); + Zend_Cache::throwException("Can't create directory: {$lastErr['message']}"); + } + + /* + $parts = explode('/', $path); + $directory = ''; + foreach ($parts as $part) { + $directory = rtrim($directory, '/') . '/' . $part; + if (!is_dir($directory)) { + mkdir($directory, $this->_octdec($this->_options['cache_directory_umask'])); + } + } + */ + } + + /** + * Detect serialization of data (cannot predict since this is the only way + * to obey the interface yet pass in another parameter). + * + * In future, ZF 2.0, check if we can just avoid the interface restraints. + * + * This format is the only valid one possible for the class, so it's simple + * to just run a regular expression for the starting serialized format. + */ + protected function _isSerialized($data) + { + return preg_match("/a:2:\{i:0;s:\d+:\"/", $data); + } + + /** + * Remove a cache record + * + * @param string $id Cache id + * @return boolean True if no problem + */ + public function remove($id) + { + if (!$this->_verifyPath($id)) { + Zend_Cache::throwException('Invalid cache id: does not match expected public_dir path'); + } + $fileName = basename($id); + if (is_null($this->_tagged) && $tagged = $this->getInnerCache()->load(self::INNER_CACHE_NAME)) { + $this->_tagged = $tagged; + } elseif (!$this->_tagged) { + return false; + } + if (isset($this->_tagged[$id])) { + $extension = $this->_tagged[$id]['extension']; + } else { + $extension = $this->_options['file_extension']; + } + if (empty($fileName)) { + $fileName = $this->_options['index_filename']; + } + $pathName = $this->_options['public_dir'] . dirname($id); + $file = realpath($pathName) . '/' . $fileName . $extension; + if (!file_exists($file)) { + return false; + } + return unlink($file); + } + + /** + * Remove a cache record recursively for the given directory matching a + * REQUEST_URI based relative path (deletes the actual file matching this + * in addition to the matching directory) + * + * @param string $id Cache id + * @return boolean True if no problem + */ + public function removeRecursively($id) + { + if (!$this->_verifyPath($id)) { + Zend_Cache::throwException('Invalid cache id: does not match expected public_dir path'); + } + $fileName = basename($id); + if (empty($fileName)) { + $fileName = $this->_options['index_filename']; + } + $pathName = $this->_options['public_dir'] . dirname($id); + $file = $pathName . '/' . $fileName . $this->_options['file_extension']; + $directory = $pathName . '/' . $fileName; + if (file_exists($directory)) { + if (!is_writable($directory)) { + return false; + } + foreach (new DirectoryIterator($directory) as $file) { + if (true === $file->isFile()) { + if (false === unlink($file->getPathName())) { + return false; + } + } + } + rmdir(dirname($path)); + } + if (file_exists($file)) { + if (!is_writable($file)) { + return false; + } + return unlink($file); + } + return true; + } + + /** + * Clean some cache records + * + * Available modes are : + * Zend_Cache::CLEANING_MODE_ALL (default) => remove all cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_OLD => remove too old cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_MATCHING_TAG => remove cache entries matching all given tags + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG => remove cache entries not {matching one of the given tags} + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG => remove cache entries matching any given tags + * ($tags can be an array of strings or a single string) + * + * @param string $mode Clean mode + * @param array $tags Array of tags + * @return boolean true if no problem + */ + public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()) + { + $result = false; + switch ($mode) { + case Zend_Cache::CLEANING_MODE_MATCHING_TAG: + case Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG: + if (empty($tags)) { + throw new Zend_Exception('Cannot use tag matching modes as no tags were defined'); + } + if (is_null($this->_tagged) && $tagged = $this->getInnerCache()->load(self::INNER_CACHE_NAME)) { + $this->_tagged = $tagged; + } elseif (!$this->_tagged) { + return true; + } + foreach ($tags as $tag) { + $urls = array_keys($this->_tagged); + foreach ($urls as $url) { + if (isset($this->_tagged[$url]['tags']) && in_array($tag, $this->_tagged[$url]['tags'])) { + $this->remove($url); + unset($this->_tagged[$url]); + } + } + } + $this->getInnerCache()->save($this->_tagged, self::INNER_CACHE_NAME); + $result = true; + break; + case Zend_Cache::CLEANING_MODE_ALL: + if (is_null($this->_tagged)) { + $tagged = $this->getInnerCache()->load(self::INNER_CACHE_NAME); + $this->_tagged = $tagged; + } + if (is_null($this->_tagged) || empty($this->_tagged)) { + return true; + } + $urls = array_keys($this->_tagged); + foreach ($urls as $url) { + $this->remove($url); + unset($this->_tagged[$url]); + } + $this->getInnerCache()->save($this->_tagged, self::INNER_CACHE_NAME); + $result = true; + break; + case Zend_Cache::CLEANING_MODE_OLD: + $this->_log("Zend_Cache_Backend_Static : Selected Cleaning Mode Currently Unsupported By This Backend"); + break; + case Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG: + if (empty($tags)) { + throw new Zend_Exception('Cannot use tag matching modes as no tags were defined'); + } + if (is_null($this->_tagged)) { + $tagged = $this->getInnerCache()->load(self::INNER_CACHE_NAME); + $this->_tagged = $tagged; + } + if (is_null($this->_tagged) || empty($this->_tagged)) { + return true; + } + $urls = array_keys($this->_tagged); + foreach ($urls as $url) { + $difference = array_diff($tags, $this->_tagged[$url]['tags']); + if (count($tags) == count($difference)) { + $this->remove($url); + unset($this->_tagged[$url]); + } + } + $this->getInnerCache()->save($this->_tagged, self::INNER_CACHE_NAME); + $result = true; + break; + default: + Zend_Cache::throwException('Invalid mode for clean() method'); + break; + } + return $result; + } + + /** + * Set an Inner Cache, used here primarily to store Tags associated + * with caches created by this backend. Note: If Tags are lost, the cache + * should be completely cleaned as the mapping of tags to caches will + * have been irrevocably lost. + * + * @param Zend_Cache_Core + * @return void + */ + public function setInnerCache(Zend_Cache_Core $cache) + { + $this->_tagCache = $cache; + $this->_options['tag_cache'] = $cache; + } + + /** + * Get the Inner Cache if set + * + * @return Zend_Cache_Core + */ + public function getInnerCache() + { + if (is_null($this->_tagCache)) { + Zend_Cache::throwException('An Inner Cache has not been set; use setInnerCache()'); + } + return $this->_tagCache; + } + + /** + * Verify path exists and is non-empty + * + * @param string $path + * @return bool + */ + protected function _verifyPath($path) + { + $path = realpath($path); + $base = realpath($this->_options['public_dir']); + return strncmp($path, $base, strlen($base)) !== 0; + } + + /** + * Determine the page to save from the request + * + * @return string + */ + protected function _detectId() + { + return $_SERVER['REQUEST_URI']; + } + + /** + * Validate a cache id or a tag (security, reliable filenames, reserved prefixes...) + * + * Throw an exception if a problem is found + * + * @param string $string Cache id or tag + * @throws Zend_Cache_Exception + * @return void + * @deprecated Not usable until perhaps ZF 2.0 + */ + protected static function _validateIdOrTag($string) + { + if (!is_string($string)) { + Zend_Cache::throwException('Invalid id or tag : must be a string'); + } + + // Internal only checked in Frontend - not here! + if (substr($string, 0, 9) == 'internal-') { + return; + } + + // Validation assumes no query string, fragments or scheme included - only the path + if (!preg_match( + '/^(?:\/(?:(?:%[[:xdigit:]]{2}|[A-Za-z0-9-_.!~*\'()\[\]:@&=+$,;])*)?)+$/', + $string + ) + ) { + Zend_Cache::throwException("Invalid id or tag '$string' : must be a valid URL path"); + } + } + + /** + * Detect an octal string and return its octal value for file permission ops + * otherwise return the non-string (assumed octal or decimal int already) + * + * @param $val The potential octal in need of conversion + * @return int + */ + protected function _octdec($val) + { + if (decoct(octdec($val)) == $val && is_string($val)) { + return octdec($val); + } + return $val; + } + + /** + * Decode a request URI from the provided ID + */ + protected function _decodeId($id) + { + return pack('H*', $id);; + } +} diff --git a/libraries/Zend/Cache/Backend/Test.php b/libraries/Zend/Cache/Backend/Test.php new file mode 100644 index 0000000..aee27fa --- /dev/null +++ b/libraries/Zend/Cache/Backend/Test.php @@ -0,0 +1,412 @@ +_addLog('construct', array($options)); + } + + /** + * Set the frontend directives + * + * @param array $directives assoc of directives + * @return void + */ + public function setDirectives($directives) + { + $this->_addLog('setDirectives', array($directives)); + } + + /** + * Test if a cache is available for the given id and (if yes) return it (false else) + * + * For this test backend only, if $id == 'false', then the method will return false + * if $id == 'serialized', the method will return a serialized array + * ('foo' else) + * + * @param string $id Cache id + * @param boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested + * @return string Cached datas (or false) + */ + public function load($id, $doNotTestCacheValidity = false) + { + $this->_addLog('get', array($id, $doNotTestCacheValidity)); + + if ( $id == 'false' + || $id == 'd8523b3ee441006261eeffa5c3d3a0a7' + || $id == 'e83249ea22178277d5befc2c5e2e9ace' + || $id == '40f649b94977c0a6e76902e2a0b43587' + || $id == '88161989b73a4cbfd0b701c446115a99' + || $id == '205fc79cba24f0f0018eb92c7c8b3ba4') + { + return false; + } + if ($id=='serialized') { + return serialize(array('foo')); + } + if ($id=='serialized2') { + return serialize(array('headers' => array(), 'data' => 'foo')); + } + if ( $id == '71769f39054f75894288e397df04e445' || $id == '615d222619fb20b527168340cebd0578' + || $id == '8a02d218a5165c467e7a5747cc6bd4b6' || $id == '648aca1366211d17cbf48e65dc570bee' + || $id == '4a923ef02d7f997ca14d56dfeae25ea7') { + return serialize(array('foo', 'bar')); + } + return 'foo'; + } + + /** + * Test if a cache is available or not (for the given id) + * + * For this test backend only, if $id == 'false', then the method will return false + * (123456 else) + * + * @param string $id Cache id + * @return mixed|false false (a cache is not available) or "last modified" timestamp (int) of the available cache record + */ + public function test($id) + { + $this->_addLog('test', array($id)); + if ($id=='false') { + return false; + } + if (($id=='3c439c922209e2cb0b54d6deffccd75a')) { + return false; + } + return 123456; + } + + /** + * Save some string datas into a cache record + * + * For this test backend only, if $id == 'false', then the method will return false + * (true else) + * + * @param string $data Datas to cache + * @param string $id Cache id + * @param array $tags Array of strings, the cache record will be tagged by each string entry + * @param int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime) + * @return boolean True if no problem + */ + public function save($data, $id, $tags = array(), $specificLifetime = false) + { + $this->_addLog('save', array($data, $id, $tags)); + if ($id=='false') { + return false; + } + return true; + } + + /** + * Remove a cache record + * + * For this test backend only, if $id == 'false', then the method will return false + * (true else) + * + * @param string $id Cache id + * @return boolean True if no problem + */ + public function remove($id) + { + $this->_addLog('remove', array($id)); + if ($id=='false') { + return false; + } + return true; + } + + /** + * Clean some cache records + * + * For this test backend only, if $mode == 'false', then the method will return false + * (true else) + * + * Available modes are : + * Zend_Cache::CLEANING_MODE_ALL (default) => remove all cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_OLD => remove too old cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_MATCHING_TAG => remove cache entries matching all given tags + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG => remove cache entries not {matching one of the given tags} + * ($tags can be an array of strings or a single string) + * + * @param string $mode Clean mode + * @param array $tags Array of tags + * @return boolean True if no problem + */ + public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()) + { + $this->_addLog('clean', array($mode, $tags)); + if ($mode=='false') { + return false; + } + return true; + } + + /** + * Get the last log + * + * @return string The last log + */ + public function getLastLog() + { + return $this->_log[$this->_index - 1]; + } + + /** + * Get the log index + * + * @return int Log index + */ + public function getLogIndex() + { + return $this->_index; + } + + /** + * Get the complete log array + * + * @return array Complete log array + */ + public function getAllLogs() + { + return $this->_log; + } + + /** + * Return true if the automatic cleaning is available for the backend + * + * @return boolean + */ + public function isAutomaticCleaningAvailable() + { + return true; + } + + /** + * Return an array of stored cache ids + * + * @return array array of stored cache ids (string) + */ + public function getIds() + { + return array( + 'prefix_id1', 'prefix_id2' + ); + } + + /** + * Return an array of stored tags + * + * @return array array of stored tags (string) + */ + public function getTags() + { + return array( + 'tag1', 'tag2' + ); + } + + /** + * Return an array of stored cache ids which match given tags + * + * In case of multiple tags, a logical AND is made between tags + * + * @param array $tags array of tags + * @return array array of matching cache ids (string) + */ + public function getIdsMatchingTags($tags = array()) + { + if ($tags == array('tag1', 'tag2')) { + return array('prefix_id1', 'prefix_id2'); + } + + return array(); + } + + /** + * Return an array of stored cache ids which don't match given tags + * + * In case of multiple tags, a logical OR is made between tags + * + * @param array $tags array of tags + * @return array array of not matching cache ids (string) + */ + public function getIdsNotMatchingTags($tags = array()) + { + if ($tags == array('tag3', 'tag4')) { + return array('prefix_id3', 'prefix_id4'); + } + + return array(); + } + + /** + * Return an array of stored cache ids which match any given tags + * + * In case of multiple tags, a logical AND is made between tags + * + * @param array $tags array of tags + * @return array array of any matching cache ids (string) + */ + public function getIdsMatchingAnyTags($tags = array()) + { + if ($tags == array('tag5', 'tag6')) { + return array('prefix_id5', 'prefix_id6'); + } + + return array(); + } + + /** + * Return the filling percentage of the backend storage + * + * @return int integer between 0 and 100 + */ + public function getFillingPercentage() + { + return 50; + } + + /** + * Return an array of metadatas for the given cache id + * + * The array must include these keys : + * - expire : the expire timestamp + * - tags : a string array of tags + * - mtime : timestamp of last modification time + * + * @param string $id cache id + * @return array array of metadatas (false if the cache id is not found) + */ + public function getMetadatas($id) + { + return false; + } + + /** + * Give (if possible) an extra lifetime to the given cache id + * + * @param string $id cache id + * @param int $extraLifetime + * @return boolean true if ok + */ + public function touch($id, $extraLifetime) + { + return true; + } + + /** + * Return an associative array of capabilities (booleans) of the backend + * + * The array must include these keys : + * - automatic_cleaning (is automating cleaning necessary) + * - tags (are tags supported) + * - expired_read (is it possible to read expired cache records + * (for doNotTestCacheValidity option for example)) + * - priority does the backend deal with priority when saving + * - infinite_lifetime (is infinite lifetime can work with this backend) + * - get_list (is it possible to get the list of cache ids and the complete list of tags) + * + * @return array associative of with capabilities + */ + public function getCapabilities() + { + return array( + 'automatic_cleaning' => true, + 'tags' => true, + 'expired_read' => false, + 'priority' => true, + 'infinite_lifetime' => true, + 'get_list' => true + ); + } + + /** + * Add an event to the log array + * + * @param string $methodName MethodName + * @param array $args Arguments + * @return void + */ + private function _addLog($methodName, $args) + { + $this->_log[$this->_index] = array( + 'methodName' => $methodName, + 'args' => $args + ); + $this->_index = $this->_index + 1; + } + +} diff --git a/libraries/Zend/Cache/Backend/TwoLevels.php b/libraries/Zend/Cache/Backend/TwoLevels.php new file mode 100644 index 0000000..9d8ecb5 --- /dev/null +++ b/libraries/Zend/Cache/Backend/TwoLevels.php @@ -0,0 +1,536 @@ + (string) slow_backend : + * - Slow backend name + * - Must implement the Zend_Cache_Backend_ExtendedInterface + * - Should provide a big storage + * + * =====> (string) fast_backend : + * - Flow backend name + * - Must implement the Zend_Cache_Backend_ExtendedInterface + * - Must be much faster than slow_backend + * + * =====> (array) slow_backend_options : + * - Slow backend options (see corresponding backend) + * + * =====> (array) fast_backend_options : + * - Fast backend options (see corresponding backend) + * + * =====> (int) stats_update_factor : + * - Disable / Tune the computation of the fast backend filling percentage + * - When saving a record into cache : + * 1 => systematic computation of the fast backend filling percentage + * x (integer) > 1 => computation of the fast backend filling percentage randomly 1 times on x cache write + * + * =====> (boolean) slow_backend_custom_naming : + * =====> (boolean) fast_backend_custom_naming : + * =====> (boolean) slow_backend_autoload : + * =====> (boolean) fast_backend_autoload : + * - See Zend_Cache::factory() method + * + * =====> (boolean) auto_refresh_fast_cache + * - If true, auto refresh the fast cache when a cache record is hit + * + * @var array available options + */ + protected $_options = array( + 'slow_backend' => 'File', + 'fast_backend' => 'Apc', + 'slow_backend_options' => array(), + 'fast_backend_options' => array(), + 'stats_update_factor' => 10, + 'slow_backend_custom_naming' => false, + 'fast_backend_custom_naming' => false, + 'slow_backend_autoload' => false, + 'fast_backend_autoload' => false, + 'auto_refresh_fast_cache' => true + ); + + /** + * Slow Backend + * + * @var Zend_Cache_Backend_ExtendedInterface + */ + protected $_slowBackend; + + /** + * Fast Backend + * + * @var Zend_Cache_Backend_ExtendedInterface + */ + protected $_fastBackend; + + /** + * Cache for the fast backend filling percentage + * + * @var int + */ + protected $_fastBackendFillingPercentage = null; + + /** + * Constructor + * + * @param array $options Associative array of options + * @throws Zend_Cache_Exception + * @return void + */ + public function __construct(array $options = array()) + { + parent::__construct($options); + + if ($this->_options['slow_backend'] === null) { + Zend_Cache::throwException('slow_backend option has to set'); + } elseif ($this->_options['slow_backend'] instanceof Zend_Cache_Backend_ExtendedInterface) { + $this->_slowBackend = $this->_options['slow_backend']; + } else { + $this->_slowBackend = Zend_Cache::_makeBackend( + $this->_options['slow_backend'], + $this->_options['slow_backend_options'], + $this->_options['slow_backend_custom_naming'], + $this->_options['slow_backend_autoload'] + ); + if (!in_array('Zend_Cache_Backend_ExtendedInterface', class_implements($this->_slowBackend))) { + Zend_Cache::throwException('slow_backend must implement the Zend_Cache_Backend_ExtendedInterface interface'); + } + } + + if ($this->_options['fast_backend'] === null) { + Zend_Cache::throwException('fast_backend option has to set'); + } elseif ($this->_options['fast_backend'] instanceof Zend_Cache_Backend_ExtendedInterface) { + $this->_fastBackend = $this->_options['fast_backend']; + } else { + $this->_fastBackend = Zend_Cache::_makeBackend( + $this->_options['fast_backend'], + $this->_options['fast_backend_options'], + $this->_options['fast_backend_custom_naming'], + $this->_options['fast_backend_autoload'] + ); + if (!in_array('Zend_Cache_Backend_ExtendedInterface', class_implements($this->_fastBackend))) { + Zend_Cache::throwException('fast_backend must implement the Zend_Cache_Backend_ExtendedInterface interface'); + } + } + + $this->_slowBackend->setDirectives($this->_directives); + $this->_fastBackend->setDirectives($this->_directives); + } + + /** + * Test if a cache is available or not (for the given id) + * + * @param string $id cache id + * @return mixed|false (a cache is not available) or "last modified" timestamp (int) of the available cache record + */ + public function test($id) + { + $fastTest = $this->_fastBackend->test($id); + if ($fastTest) { + return $fastTest; + } else { + return $this->_slowBackend->test($id); + } + } + + /** + * Save some string datas into a cache record + * + * Note : $data is always "string" (serialization is done by the + * core not by the backend) + * + * @param string $data Datas to cache + * @param string $id Cache id + * @param array $tags Array of strings, the cache record will be tagged by each string entry + * @param int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime) + * @param int $priority integer between 0 (very low priority) and 10 (maximum priority) used by some particular backends + * @return boolean true if no problem + */ + public function save($data, $id, $tags = array(), $specificLifetime = false, $priority = 8) + { + $usage = $this->_getFastFillingPercentage('saving'); + $boolFast = true; + $lifetime = $this->getLifetime($specificLifetime); + $preparedData = $this->_prepareData($data, $lifetime, $priority); + if (($priority > 0) && (10 * $priority >= $usage)) { + $fastLifetime = $this->_getFastLifetime($lifetime, $priority); + $boolFast = $this->_fastBackend->save($preparedData, $id, array(), $fastLifetime); + $boolSlow = $this->_slowBackend->save($preparedData, $id, $tags, $lifetime); + } else { + $boolSlow = $this->_slowBackend->save($preparedData, $id, $tags, $lifetime); + if ($boolSlow === true) { + $boolFast = $this->_fastBackend->remove($id); + if (!$boolFast && !$this->_fastBackend->test($id)) { + // some backends return false on remove() even if the key never existed. (and it won't if fast is full) + // all we care about is that the key doesn't exist now + $boolFast = true; + } + } + } + + return ($boolFast && $boolSlow); + } + + /** + * Test if a cache is available for the given id and (if yes) return it (false else) + * + * Note : return value is always "string" (unserialization is done by the core not by the backend) + * + * @param string $id Cache id + * @param boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested + * @return string|false cached datas + */ + public function load($id, $doNotTestCacheValidity = false) + { + $res = $this->_fastBackend->load($id, $doNotTestCacheValidity); + if ($res === false) { + $res = $this->_slowBackend->load($id, $doNotTestCacheValidity); + if ($res === false) { + // there is no cache at all for this id + return false; + } + } + $array = unserialize($res); + // maybe, we have to refresh the fast cache ? + if ($this->_options['auto_refresh_fast_cache']) { + if ($array['priority'] == 10) { + // no need to refresh the fast cache with priority = 10 + return $array['data']; + } + $newFastLifetime = $this->_getFastLifetime($array['lifetime'], $array['priority'], time() - $array['expire']); + // we have the time to refresh the fast cache + $usage = $this->_getFastFillingPercentage('loading'); + if (($array['priority'] > 0) && (10 * $array['priority'] >= $usage)) { + // we can refresh the fast cache + $preparedData = $this->_prepareData($array['data'], $array['lifetime'], $array['priority']); + $this->_fastBackend->save($preparedData, $id, array(), $newFastLifetime); + } + } + return $array['data']; + } + + /** + * Remove a cache record + * + * @param string $id Cache id + * @return boolean True if no problem + */ + public function remove($id) + { + $boolFast = $this->_fastBackend->remove($id); + $boolSlow = $this->_slowBackend->remove($id); + return $boolFast && $boolSlow; + } + + /** + * Clean some cache records + * + * Available modes are : + * Zend_Cache::CLEANING_MODE_ALL (default) => remove all cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_OLD => remove too old cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_MATCHING_TAG => remove cache entries matching all given tags + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG => remove cache entries not {matching one of the given tags} + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG => remove cache entries matching any given tags + * ($tags can be an array of strings or a single string) + * + * @param string $mode Clean mode + * @param array $tags Array of tags + * @throws Zend_Cache_Exception + * @return boolean true if no problem + */ + public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()) + { + switch($mode) { + case Zend_Cache::CLEANING_MODE_ALL: + $boolFast = $this->_fastBackend->clean(Zend_Cache::CLEANING_MODE_ALL); + $boolSlow = $this->_slowBackend->clean(Zend_Cache::CLEANING_MODE_ALL); + return $boolFast && $boolSlow; + break; + case Zend_Cache::CLEANING_MODE_OLD: + return $this->_slowBackend->clean(Zend_Cache::CLEANING_MODE_OLD); + case Zend_Cache::CLEANING_MODE_MATCHING_TAG: + $ids = $this->_slowBackend->getIdsMatchingTags($tags); + $res = true; + foreach ($ids as $id) { + $bool = $this->remove($id); + $res = $res && $bool; + } + return $res; + break; + case Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG: + $ids = $this->_slowBackend->getIdsNotMatchingTags($tags); + $res = true; + foreach ($ids as $id) { + $bool = $this->remove($id); + $res = $res && $bool; + } + return $res; + break; + case Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG: + $ids = $this->_slowBackend->getIdsMatchingAnyTags($tags); + $res = true; + foreach ($ids as $id) { + $bool = $this->remove($id); + $res = $res && $bool; + } + return $res; + break; + default: + Zend_Cache::throwException('Invalid mode for clean() method'); + break; + } + } + + /** + * Return an array of stored cache ids + * + * @return array array of stored cache ids (string) + */ + public function getIds() + { + return $this->_slowBackend->getIds(); + } + + /** + * Return an array of stored tags + * + * @return array array of stored tags (string) + */ + public function getTags() + { + return $this->_slowBackend->getTags(); + } + + /** + * Return an array of stored cache ids which match given tags + * + * In case of multiple tags, a logical AND is made between tags + * + * @param array $tags array of tags + * @return array array of matching cache ids (string) + */ + public function getIdsMatchingTags($tags = array()) + { + return $this->_slowBackend->getIdsMatchingTags($tags); + } + + /** + * Return an array of stored cache ids which don't match given tags + * + * In case of multiple tags, a logical OR is made between tags + * + * @param array $tags array of tags + * @return array array of not matching cache ids (string) + */ + public function getIdsNotMatchingTags($tags = array()) + { + return $this->_slowBackend->getIdsNotMatchingTags($tags); + } + + /** + * Return an array of stored cache ids which match any given tags + * + * In case of multiple tags, a logical AND is made between tags + * + * @param array $tags array of tags + * @return array array of any matching cache ids (string) + */ + public function getIdsMatchingAnyTags($tags = array()) + { + return $this->_slowBackend->getIdsMatchingAnyTags($tags); + } + + + /** + * Return the filling percentage of the backend storage + * + * @return int integer between 0 and 100 + */ + public function getFillingPercentage() + { + return $this->_slowBackend->getFillingPercentage(); + } + + /** + * Return an array of metadatas for the given cache id + * + * The array must include these keys : + * - expire : the expire timestamp + * - tags : a string array of tags + * - mtime : timestamp of last modification time + * + * @param string $id cache id + * @return array array of metadatas (false if the cache id is not found) + */ + public function getMetadatas($id) + { + return $this->_slowBackend->getMetadatas($id); + } + + /** + * Give (if possible) an extra lifetime to the given cache id + * + * @param string $id cache id + * @param int $extraLifetime + * @return boolean true if ok + */ + public function touch($id, $extraLifetime) + { + return $this->_slowBackend->touch($id, $extraLifetime); + } + + /** + * Return an associative array of capabilities (booleans) of the backend + * + * The array must include these keys : + * - automatic_cleaning (is automating cleaning necessary) + * - tags (are tags supported) + * - expired_read (is it possible to read expired cache records + * (for doNotTestCacheValidity option for example)) + * - priority does the backend deal with priority when saving + * - infinite_lifetime (is infinite lifetime can work with this backend) + * - get_list (is it possible to get the list of cache ids and the complete list of tags) + * + * @return array associative of with capabilities + */ + public function getCapabilities() + { + $slowBackendCapabilities = $this->_slowBackend->getCapabilities(); + return array( + 'automatic_cleaning' => $slowBackendCapabilities['automatic_cleaning'], + 'tags' => $slowBackendCapabilities['tags'], + 'expired_read' => $slowBackendCapabilities['expired_read'], + 'priority' => $slowBackendCapabilities['priority'], + 'infinite_lifetime' => $slowBackendCapabilities['infinite_lifetime'], + 'get_list' => $slowBackendCapabilities['get_list'] + ); + } + + /** + * Prepare a serialized array to store datas and metadatas informations + * + * @param string $data data to store + * @param int $lifetime original lifetime + * @param int $priority priority + * @return string serialize array to store into cache + */ + private function _prepareData($data, $lifetime, $priority) + { + $lt = $lifetime; + if ($lt === null) { + $lt = 9999999999; + } + return serialize(array( + 'data' => $data, + 'lifetime' => $lifetime, + 'expire' => time() + $lt, + 'priority' => $priority + )); + } + + /** + * Compute and return the lifetime for the fast backend + * + * @param int $lifetime original lifetime + * @param int $priority priority + * @param int $maxLifetime maximum lifetime + * @return int lifetime for the fast backend + */ + private function _getFastLifetime($lifetime, $priority, $maxLifetime = null) + { + if ($lifetime === null) { + // if lifetime is null, we have an infinite lifetime + // we need to use arbitrary lifetimes + $fastLifetime = (int) (2592000 / (11 - $priority)); + } else { + $fastLifetime = (int) ($lifetime / (11 - $priority)); + } + if (($maxLifetime !== null) && ($maxLifetime >= 0)) { + if ($fastLifetime > $maxLifetime) { + return $maxLifetime; + } + } + return $fastLifetime; + } + + /** + * PUBLIC METHOD FOR UNIT TESTING ONLY ! + * + * Force a cache record to expire + * + * @param string $id cache id + */ + public function ___expire($id) + { + $this->_fastBackend->remove($id); + $this->_slowBackend->___expire($id); + } + + private function _getFastFillingPercentage($mode) + { + + if ($mode == 'saving') { + // mode saving + if ($this->_fastBackendFillingPercentage === null) { + $this->_fastBackendFillingPercentage = $this->_fastBackend->getFillingPercentage(); + } else { + $rand = rand(1, $this->_options['stats_update_factor']); + if ($rand == 1) { + // we force a refresh + $this->_fastBackendFillingPercentage = $this->_fastBackend->getFillingPercentage(); + } + } + } else { + // mode loading + // we compute the percentage only if it's not available in cache + if ($this->_fastBackendFillingPercentage === null) { + $this->_fastBackendFillingPercentage = $this->_fastBackend->getFillingPercentage(); + } + } + return $this->_fastBackendFillingPercentage; + } + +} diff --git a/libraries/Zend/Cache/Backend/Xcache.php b/libraries/Zend/Cache/Backend/Xcache.php new file mode 100644 index 0000000..fbdf4d0 --- /dev/null +++ b/libraries/Zend/Cache/Backend/Xcache.php @@ -0,0 +1,216 @@ + (string) user : + * xcache.admin.user (necessary for the clean() method) + * + * =====> (string) password : + * xcache.admin.pass (clear, not MD5) (necessary for the clean() method) + * + * @var array available options + */ + protected $_options = array( + 'user' => null, + 'password' => null + ); + + /** + * Constructor + * + * @param array $options associative array of options + * @throws Zend_Cache_Exception + * @return void + */ + public function __construct(array $options = array()) + { + if (!extension_loaded('xcache')) { + Zend_Cache::throwException('The xcache extension must be loaded for using this backend !'); + } + parent::__construct($options); + } + + /** + * Test if a cache is available for the given id and (if yes) return it (false else) + * + * WARNING $doNotTestCacheValidity=true is unsupported by the Xcache backend + * + * @param string $id cache id + * @param boolean $doNotTestCacheValidity if set to true, the cache validity won't be tested + * @return string cached datas (or false) + */ + public function load($id, $doNotTestCacheValidity = false) + { + if ($doNotTestCacheValidity) { + $this->_log("Zend_Cache_Backend_Xcache::load() : \$doNotTestCacheValidity=true is unsupported by the Xcache backend"); + } + $tmp = xcache_get($id); + if (is_array($tmp)) { + return $tmp[0]; + } + return false; + } + + /** + * Test if a cache is available or not (for the given id) + * + * @param string $id cache id + * @return mixed false (a cache is not available) or "last modified" timestamp (int) of the available cache record + */ + public function test($id) + { + if (xcache_isset($id)) { + $tmp = xcache_get($id); + if (is_array($tmp)) { + return $tmp[1]; + } + } + return false; + } + + /** + * Save some string datas into a cache record + * + * Note : $data is always "string" (serialization is done by the + * core not by the backend) + * + * @param string $data datas to cache + * @param string $id cache id + * @param array $tags array of strings, the cache record will be tagged by each string entry + * @param int $specificLifetime if != false, set a specific lifetime for this cache record (null => infinite lifetime) + * @return boolean true if no problem + */ + public function save($data, $id, $tags = array(), $specificLifetime = false) + { + $lifetime = $this->getLifetime($specificLifetime); + $result = xcache_set($id, array($data, time()), $lifetime); + if (count($tags) > 0) { + $this->_log(self::TAGS_UNSUPPORTED_BY_SAVE_OF_XCACHE_BACKEND); + } + return $result; + } + + /** + * Remove a cache record + * + * @param string $id cache id + * @return boolean true if no problem + */ + public function remove($id) + { + return xcache_unset($id); + } + + /** + * Clean some cache records + * + * Available modes are : + * 'all' (default) => remove all cache entries ($tags is not used) + * 'old' => unsupported + * 'matchingTag' => unsupported + * 'notMatchingTag' => unsupported + * 'matchingAnyTag' => unsupported + * + * @param string $mode clean mode + * @param array $tags array of tags + * @throws Zend_Cache_Exception + * @return boolean true if no problem + */ + public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()) + { + switch ($mode) { + case Zend_Cache::CLEANING_MODE_ALL: + // Necessary because xcache_clear_cache() need basic authentification + $backup = array(); + if (isset($_SERVER['PHP_AUTH_USER'])) { + $backup['PHP_AUTH_USER'] = $_SERVER['PHP_AUTH_USER']; + } + if (isset($_SERVER['PHP_AUTH_PW'])) { + $backup['PHP_AUTH_PW'] = $_SERVER['PHP_AUTH_PW']; + } + if ($this->_options['user']) { + $_SERVER['PHP_AUTH_USER'] = $this->_options['user']; + } + if ($this->_options['password']) { + $_SERVER['PHP_AUTH_PW'] = $this->_options['password']; + } + xcache_clear_cache(XC_TYPE_VAR, 0); + if (isset($backup['PHP_AUTH_USER'])) { + $_SERVER['PHP_AUTH_USER'] = $backup['PHP_AUTH_USER']; + $_SERVER['PHP_AUTH_PW'] = $backup['PHP_AUTH_PW']; + } + return true; + break; + case Zend_Cache::CLEANING_MODE_OLD: + $this->_log("Zend_Cache_Backend_Xcache::clean() : CLEANING_MODE_OLD is unsupported by the Xcache backend"); + break; + case Zend_Cache::CLEANING_MODE_MATCHING_TAG: + case Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG: + case Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG: + $this->_log(self::TAGS_UNSUPPORTED_BY_CLEAN_OF_XCACHE_BACKEND); + break; + default: + Zend_Cache::throwException('Invalid mode for clean() method'); + break; + } + } + + /** + * Return true if the automatic cleaning is available for the backend + * + * @return boolean + */ + public function isAutomaticCleaningAvailable() + { + return false; + } + +} diff --git a/libraries/Zend/Cache/Backend/ZendPlatform.php b/libraries/Zend/Cache/Backend/ZendPlatform.php new file mode 100644 index 0000000..0114283 --- /dev/null +++ b/libraries/Zend/Cache/Backend/ZendPlatform.php @@ -0,0 +1,317 @@ +_directives['lifetime']; + } + $res = output_cache_get($id, $lifetime); + if($res) { + return $res[0]; + } else { + return false; + } + } + + + /** + * Test if a cache is available or not (for the given id) + * + * @param string $id Cache id + * @return mixed|false false (a cache is not available) or "last modified" timestamp (int) of the available cache record + */ + public function test($id) + { + $result = output_cache_get($id, $this->_directives['lifetime']); + if ($result) { + return $result[1]; + } + return false; + } + + /** + * Save some string datas into a cache record + * + * Note : $data is always "string" (serialization is done by the + * core not by the backend) + * + * @param string $data Data to cache + * @param string $id Cache id + * @param array $tags Array of strings, the cache record will be tagged by each string entry + * @param int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime) + * @return boolean true if no problem + */ + public function save($data, $id, $tags = array(), $specificLifetime = false) + { + if (!($specificLifetime === false)) { + $this->_log("Zend_Cache_Backend_ZendPlatform::save() : non false specifc lifetime is unsuported for this backend"); + } + + $lifetime = $this->_directives['lifetime']; + $result1 = output_cache_put($id, array($data, time())); + $result2 = (count($tags) == 0); + + foreach ($tags as $tag) { + $tagid = self::TAGS_PREFIX.$tag; + $old_tags = output_cache_get($tagid, $lifetime); + if ($old_tags === false) { + $old_tags = array(); + } + $old_tags[$id] = $id; + output_cache_remove_key($tagid); + $result2 = output_cache_put($tagid, $old_tags); + } + + return $result1 && $result2; + } + + + /** + * Remove a cache record + * + * @param string $id Cache id + * @return boolean True if no problem + */ + public function remove($id) + { + return output_cache_remove_key($id); + } + + + /** + * Clean some cache records + * + * Available modes are : + * Zend_Cache::CLEANING_MODE_ALL (default) => remove all cache entries ($tags is not used) + * Zend_Cache::CLEANING_MODE_OLD => remove too old cache entries ($tags is not used) + * This mode is not supported in this backend + * Zend_Cache::CLEANING_MODE_MATCHING_TAG => remove cache entries matching all given tags + * ($tags can be an array of strings or a single string) + * Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG => unsupported + * Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG => remove cache entries matching any given tags + * ($tags can be an array of strings or a single string) + * + * @param string $mode Clean mode + * @param array $tags Array of tags + * @throws Zend_Cache_Exception + * @return boolean True if no problem + */ + public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()) + { + switch ($mode) { + case Zend_Cache::CLEANING_MODE_ALL: + case Zend_Cache::CLEANING_MODE_OLD: + $cache_dir = ini_get('zend_accelerator.output_cache_dir'); + if (!$cache_dir) { + return false; + } + $cache_dir .= '/.php_cache_api/'; + return $this->_clean($cache_dir, $mode); + break; + case Zend_Cache::CLEANING_MODE_MATCHING_TAG: + $idlist = null; + foreach ($tags as $tag) { + $next_idlist = output_cache_get(self::TAGS_PREFIX.$tag, $this->_directives['lifetime']); + if ($idlist) { + $idlist = array_intersect_assoc($idlist, $next_idlist); + } else { + $idlist = $next_idlist; + } + if (count($idlist) == 0) { + // if ID list is already empty - we may skip checking other IDs + $idlist = null; + break; + } + } + if ($idlist) { + foreach ($idlist as $id) { + output_cache_remove_key($id); + } + } + return true; + break; + case Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG: + $this->_log("Zend_Cache_Backend_ZendPlatform::clean() : CLEANING_MODE_NOT_MATCHING_TAG is not supported by the Zend Platform backend"); + return false; + break; + case Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG: + $idlist = null; + foreach ($tags as $tag) { + $next_idlist = output_cache_get(self::TAGS_PREFIX.$tag, $this->_directives['lifetime']); + if ($idlist) { + $idlist = array_merge_recursive($idlist, $next_idlist); + } else { + $idlist = $next_idlist; + } + if (count($idlist) == 0) { + // if ID list is already empty - we may skip checking other IDs + $idlist = null; + break; + } + } + if ($idlist) { + foreach ($idlist as $id) { + output_cache_remove_key($id); + } + } + return true; + break; + default: + Zend_Cache::throwException('Invalid mode for clean() method'); + break; + } + } + + /** + * Clean a directory and recursivly go over it's subdirectories + * + * Remove all the cached files that need to be cleaned (according to mode and files mtime) + * + * @param string $dir Path of directory ot clean + * @param string $mode The same parameter as in Zend_Cache_Backend_ZendPlatform::clean() + * @return boolean True if ok + */ + private function _clean($dir, $mode) + { + $d = @dir($dir); + if (!$d) { + return false; + } + $result = true; + while (false !== ($file = $d->read())) { + if ($file == '.' || $file == '..') { + continue; + } + $file = $d->path . $file; + if (is_dir($file)) { + $result = ($this->_clean($file .'/', $mode)) && ($result); + } else { + if ($mode == Zend_Cache::CLEANING_MODE_ALL) { + $result = ($this->_remove($file)) && ($result); + } else if ($mode == Zend_Cache::CLEANING_MODE_OLD) { + // Files older than lifetime get deleted from cache + if ($this->_directives['lifetime'] !== null) { + if ((time() - @filemtime($file)) > $this->_directives['lifetime']) { + $result = ($this->_remove($file)) && ($result); + } + } + } + } + } + $d->close(); + return $result; + } + + /** + * Remove a file + * + * If we can't remove the file (because of locks or any problem), we will touch + * the file to invalidate it + * + * @param string $file Complete file path + * @return boolean True if ok + */ + private function _remove($file) + { + if (!@unlink($file)) { + # If we can't remove the file (because of locks or any problem), we will touch + # the file to invalidate it + $this->_log("Zend_Cache_Backend_ZendPlatform::_remove() : we can't remove $file => we are going to try to invalidate it"); + if ($this->_directives['lifetime'] === null) { + return false; + } + if (!file_exists($file)) { + return false; + } + return @touch($file, time() - 2*abs($this->_directives['lifetime'])); + } + return true; + } + +} diff --git a/libraries/Zend/Cache/Backend/ZendServer.php b/libraries/Zend/Cache/Backend/ZendServer.php new file mode 100644 index 0000000..ee9dc4c --- /dev/null +++ b/libraries/Zend/Cache/Backend/ZendServer.php @@ -0,0 +1,207 @@ + (string) namespace : + * Namespace to be used for chaching operations + * + * @var array available options + */ + protected $_options = array( + 'namespace' => 'zendframework' + ); + + /** + * Store data + * + * @param mixed $data Object to store + * @param string $id Cache id + * @param int $timeToLive Time to live in seconds + * @throws Zend_Cache_Exception + */ + abstract protected function _store($data, $id, $timeToLive); + + /** + * Fetch data + * + * @param string $id Cache id + * @throws Zend_Cache_Exception + */ + abstract protected function _fetch($id); + + /** + * Unset data + * + * @param string $id Cache id + */ + abstract protected function _unset($id); + + /** + * Clear cache + */ + abstract protected function _clear(); + + /** + * Test if a cache is available for the given id and (if yes) return it (false else) + * + * @param string $id cache id + * @param boolean $doNotTestCacheValidity if set to true, the cache validity won't be tested + * @return string cached datas (or false) + */ + public function load($id, $doNotTestCacheValidity = false) + { + $tmp = $this->_fetch($id); + if ($tmp !== null) { + return $tmp; + } + return false; + } + + /** + * Test if a cache is available or not (for the given id) + * + * @param string $id cache id + * @return mixed false (a cache is not available) or "last modified" timestamp (int) of the available cache record + * @throws Zend_Cache_Exception + */ + public function test($id) + { + $tmp = $this->_fetch('internal-metadatas---' . $id); + if ($tmp !== false) { + if (!is_array($tmp) || !isset($tmp['mtime'])) { + Zend_Cache::throwException('Cache metadata for \'' . $id . '\' id is corrupted' ); + } + return $tmp['mtime']; + } + return false; + } + + /** + * Compute & return the expire time + * + * @return int expire time (unix timestamp) + */ + private function _expireTime($lifetime) + { + if ($lifetime === null) { + return 9999999999; + } + return time() + $lifetime; + } + + /** + * Save some string datas into a cache record + * + * Note : $data is always "string" (serialization is done by the + * core not by the backend) + * + * @param string $data datas to cache + * @param string $id cache id + * @param array $tags array of strings, the cache record will be tagged by each string entry + * @param int $specificLifetime if != false, set a specific lifetime for this cache record (null => infinite lifetime) + * @return boolean true if no problem + */ + public function save($data, $id, $tags = array(), $specificLifetime = false) + { + $lifetime = $this->getLifetime($specificLifetime); + $metadatas = array( + 'mtime' => time(), + 'expire' => $this->_expireTime($lifetime), + ); + + if (count($tags) > 0) { + $this->_log('Zend_Cache_Backend_ZendServer::save() : tags are unsupported by the ZendServer backends'); + } + + return $this->_store($data, $id, $lifetime) && + $this->_store($metadatas, 'internal-metadatas---' . $id, $lifetime); + } + + /** + * Remove a cache record + * + * @param string $id cache id + * @return boolean true if no problem + */ + public function remove($id) + { + $result1 = $this->_unset($id); + $result2 = $this->_unset('internal-metadatas---' . $id); + + return $result1 && $result2; + } + + /** + * Clean some cache records + * + * Available modes are : + * 'all' (default) => remove all cache entries ($tags is not used) + * 'old' => unsupported + * 'matchingTag' => unsupported + * 'notMatchingTag' => unsupported + * 'matchingAnyTag' => unsupported + * + * @param string $mode clean mode + * @param array $tags array of tags + * @throws Zend_Cache_Exception + * @return boolean true if no problem + */ + public function clean($mode = Zend_Cache::CLEANING_MODE_ALL, $tags = array()) + { + switch ($mode) { + case Zend_Cache::CLEANING_MODE_ALL: + $this->_clear(); + return true; + break; + case Zend_Cache::CLEANING_MODE_OLD: + $this->_log("Zend_Cache_Backend_ZendServer::clean() : CLEANING_MODE_OLD is unsupported by the Zend Server backends."); + break; + case Zend_Cache::CLEANING_MODE_MATCHING_TAG: + case Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG: + case Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG: + $this->_clear(); + $this->_log('Zend_Cache_Backend_ZendServer::clean() : tags are unsupported by the Zend Server backends.'); + break; + default: + Zend_Cache::throwException('Invalid mode for clean() method'); + break; + } + } +} diff --git a/libraries/Zend/Cache/Backend/ZendServer/Disk.php b/libraries/Zend/Cache/Backend/ZendServer/Disk.php new file mode 100644 index 0000000..40ffb51 --- /dev/null +++ b/libraries/Zend/Cache/Backend/ZendServer/Disk.php @@ -0,0 +1,100 @@ +_options['namespace'] . '::' . $id, + $data, + $timeToLive) === false) { + $this->_log('Store operation failed.'); + return false; + } + return true; + } + + /** + * Fetch data + * + * @param string $id Cache id + */ + protected function _fetch($id) + { + return zend_disk_cache_fetch($this->_options['namespace'] . '::' . $id); + } + + /** + * Unset data + * + * @param string $id Cache id + * @return boolean true if no problem + */ + protected function _unset($id) + { + return zend_disk_cache_delete($this->_options['namespace'] . '::' . $id); + } + + /** + * Clear cache + */ + protected function _clear() + { + zend_disk_cache_clear($this->_options['namespace']); + } +} diff --git a/libraries/Zend/Cache/Backend/ZendServer/ShMem.php b/libraries/Zend/Cache/Backend/ZendServer/ShMem.php new file mode 100644 index 0000000..46bc946 --- /dev/null +++ b/libraries/Zend/Cache/Backend/ZendServer/ShMem.php @@ -0,0 +1,100 @@ +_options['namespace'] . '::' . $id, + $data, + $timeToLive) === false) { + $this->_log('Store operation failed.'); + return false; + } + return true; + } + + /** + * Fetch data + * + * @param string $id Cache id + */ + protected function _fetch($id) + { + return zend_shm_cache_fetch($this->_options['namespace'] . '::' . $id); + } + + /** + * Unset data + * + * @param string $id Cache id + * @return boolean true if no problem + */ + protected function _unset($id) + { + return zend_shm_cache_delete($this->_options['namespace'] . '::' . $id); + } + + /** + * Clear cache + */ + protected function _clear() + { + zend_shm_cache_clear($this->_options['namespace']); + } +} diff --git a/libraries/Zend/Cache/Core.php b/libraries/Zend/Cache/Core.php new file mode 100644 index 0000000..2b44894 --- /dev/null +++ b/libraries/Zend/Cache/Core.php @@ -0,0 +1,757 @@ + (boolean) write_control : + * - Enable / disable write control (the cache is read just after writing to detect corrupt entries) + * - Enable write control will lightly slow the cache writing but not the cache reading + * Write control can detect some corrupt cache files but maybe it's not a perfect control + * + * ====> (boolean) caching : + * - Enable / disable caching + * (can be very useful for the debug of cached scripts) + * + * =====> (string) cache_id_prefix : + * - prefix for cache ids (namespace) + * + * ====> (boolean) automatic_serialization : + * - Enable / disable automatic serialization + * - It can be used to save directly datas which aren't strings (but it's slower) + * + * ====> (int) automatic_cleaning_factor : + * - Disable / Tune the automatic cleaning process + * - The automatic cleaning process destroy too old (for the given life time) + * cache files when a new cache file is written : + * 0 => no automatic cache cleaning + * 1 => systematic cache cleaning + * x (integer) > 1 => automatic cleaning randomly 1 times on x cache write + * + * ====> (int) lifetime : + * - Cache lifetime (in seconds) + * - If null, the cache is valid forever. + * + * ====> (boolean) logging : + * - If set to true, logging is activated (but the system is slower) + * + * ====> (boolean) ignore_user_abort + * - If set to true, the core will set the ignore_user_abort PHP flag inside the + * save() method to avoid cache corruptions in some cases (default false) + * + * @var array $_options available options + */ + protected $_options = array( + 'write_control' => true, + 'caching' => true, + 'cache_id_prefix' => null, + 'automatic_serialization' => false, + 'automatic_cleaning_factor' => 10, + 'lifetime' => 3600, + 'logging' => false, + 'logger' => null, + 'ignore_user_abort' => false + ); + + /** + * Array of options which have to be transfered to backend + * + * @var array $_directivesList + */ + protected static $_directivesList = array('lifetime', 'logging', 'logger'); + + /** + * Not used for the core, just a sort a hint to get a common setOption() method (for the core and for frontends) + * + * @var array $_specificOptions + */ + protected $_specificOptions = array(); + + /** + * Last used cache id + * + * @var string $_lastId + */ + private $_lastId = null; + + /** + * True if the backend implements Zend_Cache_Backend_ExtendedInterface + * + * @var boolean $_extendedBackend + */ + protected $_extendedBackend = false; + + /** + * Array of capabilities of the backend (only if it implements Zend_Cache_Backend_ExtendedInterface) + * + * @var array + */ + protected $_backendCapabilities = array(); + + /** + * Constructor + * + * @param array|Zend_Config $options Associative array of options or Zend_Config instance + * @throws Zend_Cache_Exception + * @return void + */ + public function __construct($options = array()) + { + if ($options instanceof Zend_Config) { + $options = $options->toArray(); + } + if (!is_array($options)) { + Zend_Cache::throwException("Options passed were not an array" + . " or Zend_Config instance."); + } + while (list($name, $value) = each($options)) { + $this->setOption($name, $value); + } + $this->_loggerSanity(); + } + + /** + * Set options using an instance of type Zend_Config + * + * @param Zend_Config $config + * @return Zend_Cache_Core + */ + public function setConfig(Zend_Config $config) + { + $options = $config->toArray(); + while (list($name, $value) = each($options)) { + $this->setOption($name, $value); + } + return $this; + } + + /** + * Set the backend + * + * @param Zend_Cache_Backend $backendObject + * @throws Zend_Cache_Exception + * @return void + */ + public function setBackend(Zend_Cache_Backend $backendObject) + { + $this->_backend= $backendObject; + // some options (listed in $_directivesList) have to be given + // to the backend too (even if they are not "backend specific") + $directives = array(); + foreach (Zend_Cache_Core::$_directivesList as $directive) { + $directives[$directive] = $this->_options[$directive]; + } + $this->_backend->setDirectives($directives); + if (in_array('Zend_Cache_Backend_ExtendedInterface', class_implements($this->_backend))) { + $this->_extendedBackend = true; + $this->_backendCapabilities = $this->_backend->getCapabilities(); + } + + } + + /** + * Returns the backend + * + * @return Zend_Cache_Backend backend object + */ + public function getBackend() + { + return $this->_backend; + } + + /** + * Public frontend to set an option + * + * There is an additional validation (relatively to the protected _setOption method) + * + * @param string $name Name of the option + * @param mixed $value Value of the option + * @throws Zend_Cache_Exception + * @return void + */ + public function setOption($name, $value) + { + if (!is_string($name)) { + Zend_Cache::throwException("Incorrect option name : $name"); + } + $name = strtolower($name); + if (array_key_exists($name, $this->_options)) { + // This is a Core option + $this->_setOption($name, $value); + return; + } + if (array_key_exists($name, $this->_specificOptions)) { + // This a specic option of this frontend + $this->_specificOptions[$name] = $value; + return; + } + } + + /** + * Public frontend to get an option value + * + * @param string $name Name of the option + * @throws Zend_Cache_Exception + * @return mixed option value + */ + public function getOption($name) + { + if (is_string($name)) { + $name = strtolower($name); + if (array_key_exists($name, $this->_options)) { + // This is a Core option + return $this->_options[$name]; + } + if (array_key_exists($name, $this->_specificOptions)) { + // This a specic option of this frontend + return $this->_specificOptions[$name]; + } + } + Zend_Cache::throwException("Incorrect option name : $name"); + } + + /** + * Set an option + * + * @param string $name Name of the option + * @param mixed $value Value of the option + * @throws Zend_Cache_Exception + * @return void + */ + private function _setOption($name, $value) + { + if (!is_string($name) || !array_key_exists($name, $this->_options)) { + Zend_Cache::throwException("Incorrect option name : $name"); + } + if ($name == 'lifetime' && empty($value)) { + $value = null; + } + $this->_options[$name] = $value; + } + + /** + * Force a new lifetime + * + * The new value is set for the core/frontend but for the backend too (directive) + * + * @param int $newLifetime New lifetime (in seconds) + * @return void + */ + public function setLifetime($newLifetime) + { + $this->_options['lifetime'] = $newLifetime; + $this->_backend->setDirectives(array( + 'lifetime' => $newLifetime + )); + } + + /** + * Test if a cache is available for the given id and (if yes) return it (false else) + * + * @param string $id Cache id + * @param boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested + * @param boolean $doNotUnserialize Do not serialize (even if automatic_serialization is true) => for internal use + * @return mixed|false Cached datas + */ + public function load($id, $doNotTestCacheValidity = false, $doNotUnserialize = false) + { + if (!$this->_options['caching']) { + return false; + } + $id = $this->_id($id); // cache id may need prefix + $this->_lastId = $id; + self::_validateIdOrTag($id); + $data = $this->_backend->load($id, $doNotTestCacheValidity); + if ($data===false) { + // no cache available + return false; + } + if ((!$doNotUnserialize) && $this->_options['automatic_serialization']) { + // we need to unserialize before sending the result + return unserialize($data); + } + return $data; + } + + /** + * Test if a cache is available for the given id + * + * @param string $id Cache id + * @return int|false Last modified time of cache entry if it is available, false otherwise + */ + public function test($id) + { + if (!$this->_options['caching']) { + return false; + } + $id = $this->_id($id); // cache id may need prefix + self::_validateIdOrTag($id); + $this->_lastId = $id; + return $this->_backend->test($id); + } + + /** + * Save some data in a cache + * + * @param mixed $data Data to put in cache (can be another type than string if automatic_serialization is on) + * @param string $id Cache id (if not set, the last cache id will be used) + * @param array $tags Cache tags + * @param int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime) + * @param int $priority integer between 0 (very low priority) and 10 (maximum priority) used by some particular backends + * @throws Zend_Cache_Exception + * @return boolean True if no problem + */ + public function save($data, $id = null, $tags = array(), $specificLifetime = false, $priority = 8) + { + if (!$this->_options['caching']) { + return true; + } + if ($id === null) { + $id = $this->_lastId; + } else { + $id = $this->_id($id); + } + self::_validateIdOrTag($id); + self::_validateTagsArray($tags); + if ($this->_options['automatic_serialization']) { + // we need to serialize datas before storing them + $data = serialize($data); + } else { + if (!is_string($data)) { + Zend_Cache::throwException("Datas must be string or set automatic_serialization = true"); + } + } + // automatic cleaning + if ($this->_options['automatic_cleaning_factor'] > 0) { + $rand = rand(1, $this->_options['automatic_cleaning_factor']); + if ($rand==1) { + if ($this->_extendedBackend) { + // New way + if ($this->_backendCapabilities['automatic_cleaning']) { + $this->clean(Zend_Cache::CLEANING_MODE_OLD); + } else { + $this->_log('Zend_Cache_Core::save() / automatic cleaning is not available/necessary with this backend'); + } + } else { + // Deprecated way (will be removed in next major version) + if (method_exists($this->_backend, 'isAutomaticCleaningAvailable') && ($this->_backend->isAutomaticCleaningAvailable())) { + $this->clean(Zend_Cache::CLEANING_MODE_OLD); + } else { + $this->_log('Zend_Cache_Core::save() / automatic cleaning is not available/necessary with this backend'); + } + } + } + } + if ($this->_options['ignore_user_abort']) { + $abort = ignore_user_abort(true); + } + if (($this->_extendedBackend) && ($this->_backendCapabilities['priority'])) { + $result = $this->_backend->save($data, $id, $tags, $specificLifetime, $priority); + } else { + $result = $this->_backend->save($data, $id, $tags, $specificLifetime); + } + if ($this->_options['ignore_user_abort']) { + ignore_user_abort($abort); + } + if (!$result) { + // maybe the cache is corrupted, so we remove it ! + if ($this->_options['logging']) { + $this->_log("Zend_Cache_Core::save() : impossible to save cache (id=$id)"); + } + $this->remove($id); + return false; + } + if ($this->_options['write_control']) { + $data2 = $this->_backend->load($id, true); + if ($data!=$data2) { + $this->_log('Zend_Cache_Core::save() / write_control : written and read data do not match'); + $this->_backend->remove($id); + return false; + } + } + return true; + } + + /** + * Remove a cache + * + * @param string $id Cache id to remove + * @return boolean True if ok + */ + public function remove($id) + { + if (!$this->_options['caching']) { + return true; + } + $id = $this->_id($id); // cache id may need prefix + self::_validateIdOrTag($id); + return $this->_backend->remove($id); + } + + /** + * Clean cache entries + * + * Available modes are : + * 'all' (default) => remove all cache entries ($tags is not used) + * 'old' => remove too old cache entries ($tags is not used) + * 'matchingTag' => remove cache entries matching all given tags + * ($tags can be an array of strings or a single string) + * 'notMatchingTag' => remove cache entries not matching one of the given tags + * ($tags can be an array of strings or a single string) + * 'matchingAnyTag' => remove cache entries matching any given tags + * ($tags can be an array of strings or a single string) + * + * @param string $mode + * @param array|string $tags + * @throws Zend_Cache_Exception + * @return boolean True if ok + */ + public function clean($mode = 'all', $tags = array()) + { + if (!$this->_options['caching']) { + return true; + } + if (!in_array($mode, array(Zend_Cache::CLEANING_MODE_ALL, + Zend_Cache::CLEANING_MODE_OLD, + Zend_Cache::CLEANING_MODE_MATCHING_TAG, + Zend_Cache::CLEANING_MODE_NOT_MATCHING_TAG, + Zend_Cache::CLEANING_MODE_MATCHING_ANY_TAG))) { + Zend_Cache::throwException('Invalid cleaning mode'); + } + self::_validateTagsArray($tags); + return $this->_backend->clean($mode, $tags); + } + + /** + * Return an array of stored cache ids which match given tags + * + * In case of multiple tags, a logical AND is made between tags + * + * @param array $tags array of tags + * @return array array of matching cache ids (string) + */ + public function getIdsMatchingTags($tags = array()) + { + if (!$this->_extendedBackend) { + Zend_Cache::throwException(self::BACKEND_NOT_IMPLEMENTS_EXTENDED_IF); + } + if (!($this->_backendCapabilities['tags'])) { + Zend_Cache::throwException(self::BACKEND_NOT_SUPPORTS_TAG); + } + + $ids = $this->_backend->getIdsMatchingTags($tags); + + // we need to remove cache_id_prefix from ids (see #ZF-6178, #ZF-7600) + if (isset($this->_options['cache_id_prefix']) && $this->_options['cache_id_prefix'] !== '') { + $prefix = & $this->_options['cache_id_prefix']; + $prefixLen = strlen($prefix); + foreach ($ids as &$id) { + if (strpos($id, $prefix) === 0) { + $id = substr($id, $prefixLen); + } + } + } + + return $ids; + } + + /** + * Return an array of stored cache ids which don't match given tags + * + * In case of multiple tags, a logical OR is made between tags + * + * @param array $tags array of tags + * @return array array of not matching cache ids (string) + */ + public function getIdsNotMatchingTags($tags = array()) + { + if (!$this->_extendedBackend) { + Zend_Cache::throwException(self::BACKEND_NOT_IMPLEMENTS_EXTENDED_IF); + } + if (!($this->_backendCapabilities['tags'])) { + Zend_Cache::throwException(self::BACKEND_NOT_SUPPORTS_TAG); + } + + $ids = $this->_backend->getIdsNotMatchingTags($tags); + + // we need to remove cache_id_prefix from ids (see #ZF-6178, #ZF-7600) + if (isset($this->_options['cache_id_prefix']) && $this->_options['cache_id_prefix'] !== '') { + $prefix = & $this->_options['cache_id_prefix']; + $prefixLen = strlen($prefix); + foreach ($ids as &$id) { + if (strpos($id, $prefix) === 0) { + $id = substr($id, $prefixLen); + } + } + } + + return $ids; + } + + /** + * Return an array of stored cache ids which match any given tags + * + * In case of multiple tags, a logical OR is made between tags + * + * @param array $tags array of tags + * @return array array of matching any cache ids (string) + */ + public function getIdsMatchingAnyTags($tags = array()) + { + if (!$this->_extendedBackend) { + Zend_Cache::throwException(self::BACKEND_NOT_IMPLEMENTS_EXTENDED_IF); + } + if (!($this->_backendCapabilities['tags'])) { + Zend_Cache::throwException(self::BACKEND_NOT_SUPPORTS_TAG); + } + + $ids = $this->_backend->getIdsMatchingAnyTags($tags); + + // we need to remove cache_id_prefix from ids (see #ZF-6178, #ZF-7600) + if (isset($this->_options['cache_id_prefix']) && $this->_options['cache_id_prefix'] !== '') { + $prefix = & $this->_options['cache_id_prefix']; + $prefixLen = strlen($prefix); + foreach ($ids as &$id) { + if (strpos($id, $prefix) === 0) { + $id = substr($id, $prefixLen); + } + } + } + + return $ids; + } + + /** + * Return an array of stored cache ids + * + * @return array array of stored cache ids (string) + */ + public function getIds() + { + if (!$this->_extendedBackend) { + Zend_Cache::throwException(self::BACKEND_NOT_IMPLEMENTS_EXTENDED_IF); + } + + $ids = $this->_backend->getIds(); + + // we need to remove cache_id_prefix from ids (see #ZF-6178, #ZF-7600) + if (isset($this->_options['cache_id_prefix']) && $this->_options['cache_id_prefix'] !== '') { + $prefix = & $this->_options['cache_id_prefix']; + $prefixLen = strlen($prefix); + foreach ($ids as &$id) { + if (strpos($id, $prefix) === 0) { + $id = substr($id, $prefixLen); + } + } + } + + return $ids; + } + + /** + * Return an array of stored tags + * + * @return array array of stored tags (string) + */ + public function getTags() + { + if (!$this->_extendedBackend) { + Zend_Cache::throwException(self::BACKEND_NOT_IMPLEMENTS_EXTENDED_IF); + } + if (!($this->_backendCapabilities['tags'])) { + Zend_Cache::throwException(self::BACKEND_NOT_SUPPORTS_TAG); + } + return $this->_backend->getTags(); + } + + /** + * Return the filling percentage of the backend storage + * + * @return int integer between 0 and 100 + */ + public function getFillingPercentage() + { + if (!$this->_extendedBackend) { + Zend_Cache::throwException(self::BACKEND_NOT_IMPLEMENTS_EXTENDED_IF); + } + return $this->_backend->getFillingPercentage(); + } + + /** + * Return an array of metadatas for the given cache id + * + * The array will include these keys : + * - expire : the expire timestamp + * - tags : a string array of tags + * - mtime : timestamp of last modification time + * + * @param string $id cache id + * @return array array of metadatas (false if the cache id is not found) + */ + public function getMetadatas($id) + { + if (!$this->_extendedBackend) { + Zend_Cache::throwException(self::BACKEND_NOT_IMPLEMENTS_EXTENDED_IF); + } + $id = $this->_id($id); // cache id may need prefix + return $this->_backend->getMetadatas($id); + } + + /** + * Give (if possible) an extra lifetime to the given cache id + * + * @param string $id cache id + * @param int $extraLifetime + * @return boolean true if ok + */ + public function touch($id, $extraLifetime) + { + if (!$this->_extendedBackend) { + Zend_Cache::throwException(self::BACKEND_NOT_IMPLEMENTS_EXTENDED_IF); + } + $id = $this->_id($id); // cache id may need prefix + return $this->_backend->touch($id, $extraLifetime); + } + + /** + * Validate a cache id or a tag (security, reliable filenames, reserved prefixes...) + * + * Throw an exception if a problem is found + * + * @param string $string Cache id or tag + * @throws Zend_Cache_Exception + * @return void + */ + protected static function _validateIdOrTag($string) + { + if (!is_string($string)) { + Zend_Cache::throwException('Invalid id or tag : must be a string'); + } + if (substr($string, 0, 9) == 'internal-') { + Zend_Cache::throwException('"internal-*" ids or tags are reserved'); + } + if (!preg_match('~^[a-zA-Z0-9_]+$~D', $string)) { + Zend_Cache::throwException("Invalid id or tag '$string' : must use only [a-zA-Z0-9_]"); + } + } + + /** + * Validate a tags array (security, reliable filenames, reserved prefixes...) + * + * Throw an exception if a problem is found + * + * @param array $tags Array of tags + * @throws Zend_Cache_Exception + * @return void + */ + protected static function _validateTagsArray($tags) + { + if (!is_array($tags)) { + Zend_Cache::throwException('Invalid tags array : must be an array'); + } + foreach($tags as $tag) { + self::_validateIdOrTag($tag); + } + reset($tags); + } + + /** + * Make sure if we enable logging that the Zend_Log class + * is available. + * Create a default log object if none is set. + * + * @throws Zend_Cache_Exception + * @return void + */ + protected function _loggerSanity() + { + if (!isset($this->_options['logging']) || !$this->_options['logging']) { + return; + } + + if (isset($this->_options['logger']) && $this->_options['logger'] instanceof Zend_Log) { + return; + } + + // Create a default logger to the standard output stream + require_once 'Zend/Log/Writer/Stream.php'; + require_once 'Zend/Log.php'; + $logger = new Zend_Log(new Zend_Log_Writer_Stream('php://output')); + $this->_options['logger'] = $logger; + } + + /** + * Log a message at the WARN (4) priority. + * + * @param string $message + * @throws Zend_Cache_Exception + * @return void + */ + protected function _log($message, $priority = 4) + { + if (!$this->_options['logging']) { + return; + } + if (!(isset($this->_options['logger']) || $this->_options['logger'] instanceof Zend_Log)) { + Zend_Cache::throwException('Logging is enabled but logger is not set'); + } + $logger = $this->_options['logger']; + $logger->log($message, $priority); + } + + /** + * Make and return a cache id + * + * Checks 'cache_id_prefix' and returns new id with prefix or simply the id if null + * + * @param string $id Cache id + * @return string Cache id (with or without prefix) + */ + protected function _id($id) + { + if (($id !== null) && isset($this->_options['cache_id_prefix'])) { + return $this->_options['cache_id_prefix'] . $id; // return with prefix + } + return $id; // no prefix, just return the $id passed + } + +} diff --git a/libraries/Zend/Cache/Exception.php b/libraries/Zend/Cache/Exception.php new file mode 100644 index 0000000..5ca005d --- /dev/null +++ b/libraries/Zend/Cache/Exception.php @@ -0,0 +1,32 @@ +_tags = $tags; + $this->_extension = $extension; + ob_start(array($this, '_flush')); + ob_implicit_flush(false); + $this->_idStack[] = $id; + return false; + } + + /** + * callback for output buffering + * (shouldn't really be called manually) + * + * @param string $data Buffered output + * @return string Data to send to browser + */ + public function _flush($data) + { + $id = array_pop($this->_idStack); + if (is_null($id)) { + Zend_Cache::throwException('use of _flush() without a start()'); + } + if ($this->_extension) { + $this->save(serialize(array($data, $this->_extension)), $id, $this->_tags); + } else { + $this->save($data, $id, $this->_tags); + } + return $data; + } +} diff --git a/libraries/Zend/Cache/Frontend/Class.php b/libraries/Zend/Cache/Frontend/Class.php new file mode 100644 index 0000000..5ceda63 --- /dev/null +++ b/libraries/Zend/Cache/Frontend/Class.php @@ -0,0 +1,254 @@ + (mixed) cached_entity : + * - if set to a class name, we will cache an abstract class and will use only static calls + * - if set to an object, we will cache this object methods + * + * ====> (boolean) cache_by_default : + * - if true, method calls will be cached by default + * + * ====> (array) cached_methods : + * - an array of method names which will be cached (even if cache_by_default = false) + * + * ====> (array) non_cached_methods : + * - an array of method names which won't be cached (even if cache_by_default = true) + * + * @var array available options + */ + protected $_specificOptions = array( + 'cached_entity' => null, + 'cache_by_default' => true, + 'cached_methods' => array(), + 'non_cached_methods' => array() + ); + + /** + * Tags array + * + * @var array + */ + private $_tags = array(); + + /** + * SpecificLifetime value + * + * false => no specific life time + * + * @var int + */ + private $_specificLifetime = false; + + /** + * The cached object or the name of the cached abstract class + * + * @var mixed + */ + private $_cachedEntity = null; + + /** + * The class name of the cached object or cached abstract class + * + * Used to differentiate between different classes with the same method calls. + * + * @var string + */ + private $_cachedEntityLabel = ''; + + /** + * Priority (used by some particular backends) + * + * @var int + */ + private $_priority = 8; + + /** + * Constructor + * + * @param array $options Associative array of options + * @throws Zend_Cache_Exception + * @return void + */ + public function __construct(array $options = array()) + { + while (list($name, $value) = each($options)) { + $this->setOption($name, $value); + } + if ($this->_specificOptions['cached_entity'] === null) { + Zend_Cache::throwException('cached_entity must be set !'); + } + $this->setCachedEntity($this->_specificOptions['cached_entity']); + $this->setOption('automatic_serialization', true); + } + + /** + * Set a specific life time + * + * @param int $specificLifetime + * @return void + */ + public function setSpecificLifetime($specificLifetime = false) + { + $this->_specificLifetime = $specificLifetime; + } + + /** + * Set the priority (used by some particular backends) + * + * @param int $priority integer between 0 (very low priority) and 10 (maximum priority) + */ + public function setPriority($priority) + { + $this->_priority = $priority; + } + + /** + * Public frontend to set an option + * + * Just a wrapper to get a specific behaviour for cached_entity + * + * @param string $name Name of the option + * @param mixed $value Value of the option + * @throws Zend_Cache_Exception + * @return void + */ + public function setOption($name, $value) + { + if ($name == 'cached_entity') { + $this->setCachedEntity($value); + } else { + parent::setOption($name, $value); + } + } + + /** + * Specific method to set the cachedEntity + * + * if set to a class name, we will cache an abstract class and will use only static calls + * if set to an object, we will cache this object methods + * + * @param mixed $cachedEntity + */ + public function setCachedEntity($cachedEntity) + { + if (!is_string($cachedEntity) && !is_object($cachedEntity)) { + Zend_Cache::throwException('cached_entity must be an object or a class name'); + } + $this->_cachedEntity = $cachedEntity; + $this->_specificOptions['cached_entity'] = $cachedEntity; + if (is_string($this->_cachedEntity)){ + $this->_cachedEntityLabel = $this->_cachedEntity; + } else { + $ro = new ReflectionObject($this->_cachedEntity); + $this->_cachedEntityLabel = $ro->getName(); + } + } + + /** + * Set the cache array + * + * @param array $tags + * @return void + */ + public function setTagsArray($tags = array()) + { + $this->_tags = $tags; + } + + /** + * Main method : call the specified method or get the result from cache + * + * @param string $name Method name + * @param array $parameters Method parameters + * @return mixed Result + */ + public function __call($name, $parameters) + { + $cacheBool1 = $this->_specificOptions['cache_by_default']; + $cacheBool2 = in_array($name, $this->_specificOptions['cached_methods']); + $cacheBool3 = in_array($name, $this->_specificOptions['non_cached_methods']); + $cache = (($cacheBool1 || $cacheBool2) && (!$cacheBool3)); + if (!$cache) { + // We do not have not cache + return call_user_func_array(array($this->_cachedEntity, $name), $parameters); + } + + $id = $this->_makeId($name, $parameters); + if ( ($rs = $this->load($id)) && isset($rs[0], $rs[1]) ) { + // A cache is available + $output = $rs[0]; + $return = $rs[1]; + } else { + // A cache is not available (or not valid for this frontend) + ob_start(); + ob_implicit_flush(false); + $return = call_user_func_array(array($this->_cachedEntity, $name), $parameters); + $output = ob_get_contents(); + ob_end_clean(); + $data = array($output, $return); + $this->save($data, $id, $this->_tags, $this->_specificLifetime, $this->_priority); + } + + echo $output; + return $return; + } + + /** + * ZF-9970 + * + * @deprecated + */ + private function _makeId($name, $args) + { + return $this->makeId($name, $args); + } + + /** + * Make a cache id from the method name and parameters + * + * @param string $name Method name + * @param array $args Method parameters + * @return string Cache id + */ + public function makeId($name, array $args = array()) + { + return md5($this->_cachedEntityLabel . '__' . $name . '__' . serialize($args)); + } + +} diff --git a/libraries/Zend/Cache/Frontend/File.php b/libraries/Zend/Cache/Frontend/File.php new file mode 100644 index 0000000..07c7ddc --- /dev/null +++ b/libraries/Zend/Cache/Frontend/File.php @@ -0,0 +1,209 @@ + (string) master_file : + * - a complete path of the master file + * - deprecated (see master_files) + * + * ====> (array) master_files : + * - an array of complete path of master files + * - this option has to be set ! + * + * ====> (string) master_files_mode : + * - Zend_Cache_Frontend_File::MODE_AND or Zend_Cache_Frontend_File::MODE_OR + * - if MODE_AND, then all master files have to be touched to get a cache invalidation + * - if MODE_OR (default), then a single touched master file is enough to get a cache invalidation + * + * ====> (boolean) ignore_missing_master_files + * - if set to true, missing master files are ignored silently + * - if set to false (default), an exception is thrown if there is a missing master file + * @var array available options + */ + protected $_specificOptions = array( + 'master_file' => null, + 'master_files' => null, + 'master_files_mode' => 'OR', + 'ignore_missing_master_files' => false + ); + + /** + * Master file mtimes + * + * Array of int + * + * @var array + */ + private $_masterFile_mtimes = null; + + /** + * Constructor + * + * @param array $options Associative array of options + * @throws Zend_Cache_Exception + * @return void + */ + public function __construct(array $options = array()) + { + while (list($name, $value) = each($options)) { + $this->setOption($name, $value); + } + if (!isset($this->_specificOptions['master_files'])) { + Zend_Cache::throwException('master_files option must be set'); + } + } + + /** + * Change the master_file option + * + * @param string $masterFile the complete path and name of the master file + */ + public function setMasterFiles($masterFiles) + { + clearstatcache(); + $this->_specificOptions['master_file'] = $masterFiles[0]; // to keep a compatibility + $this->_specificOptions['master_files'] = $masterFiles; + $this->_masterFile_mtimes = array(); + $i = 0; + foreach ($masterFiles as $masterFile) { + $this->_masterFile_mtimes[$i] = @filemtime($masterFile); + if ((!($this->_specificOptions['ignore_missing_master_files'])) && (!($this->_masterFile_mtimes[$i]))) { + Zend_Cache::throwException('Unable to read master_file : '.$masterFile); + } + $i++; + } + } + + /** + * Change the master_file option + * + * To keep the compatibility + * + * @deprecated + * @param string $masterFile the complete path and name of the master file + */ + public function setMasterFile($masterFile) + { + $this->setMasterFiles(array(0 => $masterFile)); + } + + /** + * Public frontend to set an option + * + * Just a wrapper to get a specific behaviour for master_file + * + * @param string $name Name of the option + * @param mixed $value Value of the option + * @throws Zend_Cache_Exception + * @return void + */ + public function setOption($name, $value) + { + if ($name == 'master_file') { + $this->setMasterFile($value); + } else if ($name == 'master_files') { + $this->setMasterFiles($value); + } else { + parent::setOption($name, $value); + } + } + + /** + * Test if a cache is available for the given id and (if yes) return it (false else) + * + * @param string $id Cache id + * @param boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested + * @param boolean $doNotUnserialize Do not serialize (even if automatic_serialization is true) => for internal use + * @return mixed|false Cached datas + */ + public function load($id, $doNotTestCacheValidity = false, $doNotUnserialize = false) + { + if (!$doNotTestCacheValidity) { + if ($this->test($id)) { + return parent::load($id, true, $doNotUnserialize); + } + return false; + } + return parent::load($id, true, $doNotUnserialize); + } + + /** + * Test if a cache is available for the given id + * + * @param string $id Cache id + * @return int|false Last modified time of cache entry if it is available, false otherwise + */ + public function test($id) + { + $lastModified = parent::test($id); + if ($lastModified) { + if ($this->_specificOptions['master_files_mode'] == self::MODE_AND) { + // MODE_AND + foreach($this->_masterFile_mtimes as $masterFileMTime) { + if ($masterFileMTime) { + if ($lastModified > $masterFileMTime) { + return $lastModified; + } + } + } + } else { + // MODE_OR + $res = true; + foreach($this->_masterFile_mtimes as $masterFileMTime) { + if ($masterFileMTime) { + if ($lastModified <= $masterFileMTime) { + return false; + } + } + } + return $lastModified; + } + } + return false; + } + +} + diff --git a/libraries/Zend/Cache/Frontend/Function.php b/libraries/Zend/Cache/Frontend/Function.php new file mode 100644 index 0000000..4a932b9 --- /dev/null +++ b/libraries/Zend/Cache/Frontend/Function.php @@ -0,0 +1,180 @@ + (boolean) cache_by_default : + * - if true, function calls will be cached by default + * + * ====> (array) cached_functions : + * - an array of function names which will be cached (even if cache_by_default = false) + * + * ====> (array) non_cached_functions : + * - an array of function names which won't be cached (even if cache_by_default = true) + * + * @var array options + */ + protected $_specificOptions = array( + 'cache_by_default' => true, + 'cached_functions' => array(), + 'non_cached_functions' => array() + ); + + /** + * Constructor + * + * @param array $options Associative array of options + * @return void + */ + public function __construct(array $options = array()) + { + while (list($name, $value) = each($options)) { + $this->setOption($name, $value); + } + $this->setOption('automatic_serialization', true); + } + + /** + * Main method : call the specified function or get the result from cache + * + * @param callback $callback A valid callback + * @param array $parameters Function parameters + * @param array $tags Cache tags + * @param int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime) + * @param int $priority integer between 0 (very low priority) and 10 (maximum priority) used by some particular backends + * @return mixed Result + */ + public function call($callback, array $parameters = array(), $tags = array(), $specificLifetime = false, $priority = 8) + { + if (!is_callable($callback, true, $name)) { + Zend_Cache::throwException('Invalid callback'); + } + + $cacheBool1 = $this->_specificOptions['cache_by_default']; + $cacheBool2 = in_array($name, $this->_specificOptions['cached_functions']); + $cacheBool3 = in_array($name, $this->_specificOptions['non_cached_functions']); + $cache = (($cacheBool1 || $cacheBool2) && (!$cacheBool3)); + if (!$cache) { + // Caching of this callback is disabled + return call_user_func_array($callback, $parameters); + } + + $id = $this->_makeId($callback, $parameters); + if ( ($rs = $this->load($id)) && isset($rs[0], $rs[1])) { + // A cache is available + $output = $rs[0]; + $return = $rs[1]; + } else { + // A cache is not available (or not valid for this frontend) + ob_start(); + ob_implicit_flush(false); + $return = call_user_func_array($callback, $parameters); + $output = ob_get_contents(); + ob_end_clean(); + $data = array($output, $return); + $this->save($data, $id, $tags, $specificLifetime, $priority); + } + + echo $output; + return $return; + } + + /** + * ZF-9970 + * + * @deprecated + */ + private function _makeId($callback, array $args) + { + return $this->makeId($callback, $args); + } + + /** + * Make a cache id from the function name and parameters + * + * @param callback $callback A valid callback + * @param array $args Function parameters + * @throws Zend_Cache_Exception + * @return string Cache id + */ + public function makeId($callback, array $args = array()) + { + if (!is_callable($callback, true, $name)) { + Zend_Cache::throwException('Invalid callback'); + } + + // functions, methods and classnames are case-insensitive + $name = strtolower($name); + + // generate a unique id for object callbacks + if (is_object($callback)) { // Closures & __invoke + $object = $callback; + } elseif (isset($callback[0])) { // array($object, 'method') + $object = $callback[0]; + } + if (isset($object)) { + try { + $tmp = @serialize($callback); + } catch (Exception $e) { + Zend_Cache::throwException($e->getMessage()); + } + if (!$tmp) { + $lastErr = error_get_last(); + Zend_Cache::throwException("Can't serialize callback object to generate id: {$lastErr['message']}"); + } + $name.= '__' . $tmp; + } + + // generate a unique id for arguments + $argsStr = ''; + if ($args) { + try { + $argsStr = @serialize(array_values($args)); + } catch (Exception $e) { + Zend_Cache::throwException($e->getMessage()); + } + if (!$argsStr) { + $lastErr = error_get_last(); + throw Zend_Cache::throwException("Can't serialize arguments to generate id: {$lastErr['message']}"); + } + } + + return md5($name . $argsStr); + } + +} diff --git a/libraries/Zend/Cache/Frontend/Output.php b/libraries/Zend/Cache/Frontend/Output.php new file mode 100644 index 0000000..021150e --- /dev/null +++ b/libraries/Zend/Cache/Frontend/Output.php @@ -0,0 +1,106 @@ +_idStack = array(); + } + + /** + * Start the cache + * + * @param string $id Cache id + * @param boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested + * @param boolean $echoData If set to true, datas are sent to the browser if the cache is hit (simpy returned else) + * @return mixed True if the cache is hit (false else) with $echoData=true (default) ; string else (datas) + */ + public function start($id, $doNotTestCacheValidity = false, $echoData = true) + { + $data = $this->load($id, $doNotTestCacheValidity); + if ($data !== false) { + if ( $echoData ) { + echo($data); + return true; + } else { + return $data; + } + } + ob_start(); + ob_implicit_flush(false); + $this->_idStack[] = $id; + return false; + } + + /** + * Stop the cache + * + * @param array $tags Tags array + * @param int $specificLifetime If != false, set a specific lifetime for this cache record (null => infinite lifetime) + * @param string $forcedDatas If not null, force written datas with this + * @param boolean $echoData If set to true, datas are sent to the browser + * @param int $priority integer between 0 (very low priority) and 10 (maximum priority) used by some particular backends + * @return void + */ + public function end($tags = array(), $specificLifetime = false, $forcedDatas = null, $echoData = true, $priority = 8) + { + if ($forcedDatas === null) { + $data = ob_get_contents(); + ob_end_clean(); + } else { + $data =& $forcedDatas; + } + $id = array_pop($this->_idStack); + if ($id === null) { + Zend_Cache::throwException('use of end() without a start()'); + } + $this->save($data, $id, $tags, $specificLifetime, $priority); + if ($echoData) { + echo($data); + } + } + +} diff --git a/libraries/Zend/Cache/Frontend/Page.php b/libraries/Zend/Cache/Frontend/Page.php new file mode 100644 index 0000000..c8edceb --- /dev/null +++ b/libraries/Zend/Cache/Frontend/Page.php @@ -0,0 +1,402 @@ + (boolean) http_conditional : + * - if true, http conditional mode is on + * WARNING : http_conditional OPTION IS NOT IMPLEMENTED FOR THE MOMENT (TODO) + * + * ====> (boolean) debug_header : + * - if true, a debug text is added before each cached pages + * + * ====> (boolean) content_type_memorization : + * - deprecated => use memorize_headers instead + * - if the Content-Type header is sent after the cache was started, the + * corresponding value can be memorized and replayed when the cache is hit + * (if false (default), the frontend doesn't take care of Content-Type header) + * + * ====> (array) memorize_headers : + * - an array of strings corresponding to some HTTP headers name. Listed headers + * will be stored with cache datas and "replayed" when the cache is hit + * + * ====> (array) default_options : + * - an associative array of default options : + * - (boolean) cache : cache is on by default if true + * - (boolean) cacheWithXXXVariables (XXXX = 'Get', 'Post', 'Session', 'Files' or 'Cookie') : + * if true, cache is still on even if there are some variables in this superglobal array + * if false, cache is off if there are some variables in this superglobal array + * - (boolean) makeIdWithXXXVariables (XXXX = 'Get', 'Post', 'Session', 'Files' or 'Cookie') : + * if true, we have to use the content of this superglobal array to make a cache id + * if false, the cache id won't be dependent of the content of this superglobal array + * - (int) specific_lifetime : cache specific lifetime + * (false => global lifetime is used, null => infinite lifetime, + * integer => this lifetime is used), this "lifetime" is probably only + * usefull when used with "regexps" array + * - (array) tags : array of tags (strings) + * - (int) priority : integer between 0 (very low priority) and 10 (maximum priority) used by + * some particular backends + * + * ====> (array) regexps : + * - an associative array to set options only for some REQUEST_URI + * - keys are (pcre) regexps + * - values are associative array with specific options to set if the regexp matchs on $_SERVER['REQUEST_URI'] + * (see default_options for the list of available options) + * - if several regexps match the $_SERVER['REQUEST_URI'], only the last one will be used + * + * @var array options + */ + protected $_specificOptions = array( + 'http_conditional' => false, + 'debug_header' => false, + 'content_type_memorization' => false, + 'memorize_headers' => array(), + 'default_options' => array( + 'cache_with_get_variables' => false, + 'cache_with_post_variables' => false, + 'cache_with_session_variables' => false, + 'cache_with_files_variables' => false, + 'cache_with_cookie_variables' => false, + 'make_id_with_get_variables' => true, + 'make_id_with_post_variables' => true, + 'make_id_with_session_variables' => true, + 'make_id_with_files_variables' => true, + 'make_id_with_cookie_variables' => true, + 'cache' => true, + 'specific_lifetime' => false, + 'tags' => array(), + 'priority' => null + ), + 'regexps' => array() + ); + + /** + * Internal array to store some options + * + * @var array associative array of options + */ + protected $_activeOptions = array(); + + /** + * If true, the page won't be cached + * + * @var boolean + */ + protected $_cancel = false; + + /** + * Constructor + * + * @param array $options Associative array of options + * @param boolean $doNotTestCacheValidity If set to true, the cache validity won't be tested + * @throws Zend_Cache_Exception + * @return void + */ + public function __construct(array $options = array()) + { + while (list($name, $value) = each($options)) { + $name = strtolower($name); + switch ($name) { + case 'regexps': + $this->_setRegexps($value); + break; + case 'default_options': + $this->_setDefaultOptions($value); + break; + case 'content_type_memorization': + $this->_setContentTypeMemorization($value); + break; + default: + $this->setOption($name, $value); + } + } + if (isset($this->_specificOptions['http_conditional'])) { + if ($this->_specificOptions['http_conditional']) { + Zend_Cache::throwException('http_conditional is not implemented for the moment !'); + } + } + $this->setOption('automatic_serialization', true); + } + + /** + * Specific setter for the 'default_options' option (with some additional tests) + * + * @param array $options Associative array + * @throws Zend_Cache_Exception + * @return void + */ + protected function _setDefaultOptions($options) + { + if (!is_array($options)) { + Zend_Cache::throwException('default_options must be an array !'); + } + foreach ($options as $key=>$value) { + if (!is_string($key)) { + Zend_Cache::throwException("invalid option [$key] !"); + } + $key = strtolower($key); + if (isset($this->_specificOptions['default_options'][$key])) { + $this->_specificOptions['default_options'][$key] = $value; + } + } + } + + /** + * Set the deprecated contentTypeMemorization option + * + * @param boolean $value value + * @return void + * @deprecated + */ + protected function _setContentTypeMemorization($value) + { + $found = null; + foreach ($this->_specificOptions['memorize_headers'] as $key => $value) { + if (strtolower($value) == 'content-type') { + $found = $key; + } + } + if ($value) { + if (!$found) { + $this->_specificOptions['memorize_headers'][] = 'Content-Type'; + } + } else { + if ($found) { + unset($this->_specificOptions['memorize_headers'][$found]); + } + } + } + + /** + * Specific setter for the 'regexps' option (with some additional tests) + * + * @param array $options Associative array + * @throws Zend_Cache_Exception + * @return void + */ + protected function _setRegexps($regexps) + { + if (!is_array($regexps)) { + Zend_Cache::throwException('regexps option must be an array !'); + } + foreach ($regexps as $regexp=>$conf) { + if (!is_array($conf)) { + Zend_Cache::throwException('regexps option must be an array of arrays !'); + } + $validKeys = array_keys($this->_specificOptions['default_options']); + foreach ($conf as $key=>$value) { + if (!is_string($key)) { + Zend_Cache::throwException("unknown option [$key] !"); + } + $key = strtolower($key); + if (!in_array($key, $validKeys)) { + unset($regexps[$regexp][$key]); + } + } + } + $this->setOption('regexps', $regexps); + } + + /** + * Start the cache + * + * @param string $id (optional) A cache id (if you set a value here, maybe you have to use Output frontend instead) + * @param boolean $doNotDie For unit testing only ! + * @return boolean True if the cache is hit (false else) + */ + public function start($id = false, $doNotDie = false) + { + $this->_cancel = false; + $lastMatchingRegexp = null; + foreach ($this->_specificOptions['regexps'] as $regexp => $conf) { + if (preg_match("`$regexp`", $_SERVER['REQUEST_URI'])) { + $lastMatchingRegexp = $regexp; + } + } + $this->_activeOptions = $this->_specificOptions['default_options']; + if ($lastMatchingRegexp !== null) { + $conf = $this->_specificOptions['regexps'][$lastMatchingRegexp]; + foreach ($conf as $key=>$value) { + $this->_activeOptions[$key] = $value; + } + } + if (!($this->_activeOptions['cache'])) { + return false; + } + if (!$id) { + $id = $this->_makeId(); + if (!$id) { + return false; + } + } + $array = $this->load($id); + if ($array !== false) { + $data = $array['data']; + $headers = $array['headers']; + if (!headers_sent()) { + foreach ($headers as $key=>$headerCouple) { + $name = $headerCouple[0]; + $value = $headerCouple[1]; + header("$name: $value"); + } + } + if ($this->_specificOptions['debug_header']) { + echo 'DEBUG HEADER : This is a cached page !'; + } + echo $data; + if ($doNotDie) { + return true; + } + die(); + } + ob_start(array($this, '_flush')); + ob_implicit_flush(false); + return false; + } + + /** + * Cancel the current caching process + */ + public function cancel() + { + $this->_cancel = true; + } + + /** + * callback for output buffering + * (shouldn't really be called manually) + * + * @param string $data Buffered output + * @return string Data to send to browser + */ + public function _flush($data) + { + if ($this->_cancel) { + return $data; + } + $contentType = null; + $storedHeaders = array(); + $headersList = headers_list(); + foreach($this->_specificOptions['memorize_headers'] as $key=>$headerName) { + foreach ($headersList as $headerSent) { + $tmp = explode(':', $headerSent); + $headerSentName = trim(array_shift($tmp)); + if (strtolower($headerName) == strtolower($headerSentName)) { + $headerSentValue = trim(implode(':', $tmp)); + $storedHeaders[] = array($headerSentName, $headerSentValue); + } + } + } + $array = array( + 'data' => $data, + 'headers' => $storedHeaders + ); + $this->save($array, null, $this->_activeOptions['tags'], $this->_activeOptions['specific_lifetime'], $this->_activeOptions['priority']); + return $data; + } + + /** + * Make an id depending on REQUEST_URI and superglobal arrays (depending on options) + * + * @return mixed|false a cache id (string), false if the cache should have not to be used + */ + protected function _makeId() + { + $tmp = $_SERVER['REQUEST_URI']; + $array = explode('?', $tmp, 2); + $tmp = $array[0]; + foreach (array('Get', 'Post', 'Session', 'Files', 'Cookie') as $arrayName) { + $tmp2 = $this->_makePartialId($arrayName, $this->_activeOptions['cache_with_' . strtolower($arrayName) . '_variables'], $this->_activeOptions['make_id_with_' . strtolower($arrayName) . '_variables']); + if ($tmp2===false) { + return false; + } + $tmp = $tmp . $tmp2; + } + return md5($tmp); + } + + /** + * Make a partial id depending on options + * + * @param string $arrayName Superglobal array name + * @param bool $bool1 If true, cache is still on even if there are some variables in the superglobal array + * @param bool $bool2 If true, we have to use the content of the superglobal array to make a partial id + * @return mixed|false Partial id (string) or false if the cache should have not to be used + */ + protected function _makePartialId($arrayName, $bool1, $bool2) + { + switch ($arrayName) { + case 'Get': + $var = $_GET; + break; + case 'Post': + $var = $_POST; + break; + case 'Session': + if (isset($_SESSION)) { + $var = $_SESSION; + } else { + $var = null; + } + break; + case 'Cookie': + if (isset($_COOKIE)) { + $var = $_COOKIE; + } else { + $var = null; + } + break; + case 'Files': + $var = $_FILES; + break; + default: + return false; + } + if ($bool1) { + if ($bool2) { + return serialize($var); + } + return ''; + } + if (count($var) > 0) { + return false; + } + return ''; + } + +} diff --git a/libraries/Zend/Cache/Manager.php b/libraries/Zend/Cache/Manager.php new file mode 100644 index 0000000..9fad6f5 --- /dev/null +++ b/libraries/Zend/Cache/Manager.php @@ -0,0 +1,298 @@ + array( + 'frontend' => array( + 'name' => 'Core', + 'options' => array( + 'automatic_serialization' => true, + ), + ), + 'backend' => array( + 'name' => 'File', + 'options' => array( + // use system temp dir by default of file backend + // 'cache_dir' => '../cache', + ), + ), + ), + + // Static Page HTML Cache + 'page' => array( + 'frontend' => array( + 'name' => 'Capture', + 'options' => array( + 'ignore_user_abort' => true, + ), + ), + 'backend' => array( + 'name' => 'Static', + 'options' => array( + 'public_dir' => '../public', + ), + ), + ), + + // Tag Cache + 'pagetag' => array( + 'frontend' => array( + 'name' => 'Core', + 'options' => array( + 'automatic_serialization' => true, + 'lifetime' => null + ), + ), + 'backend' => array( + 'name' => 'File', + 'options' => array( + // use system temp dir by default of file backend + // 'cache_dir' => '../cache', + // use default umask of file backend + // 'cache_file_umask' => 0644 + ), + ), + ), + ); + + /** + * Set a new cache for the Cache Manager to contain + * + * @param string $name + * @param Zend_Cache_Core $cache + * @return Zend_Cache_Manager + */ + public function setCache($name, Zend_Cache_Core $cache) + { + $this->_caches[$name] = $cache; + return $this; + } + + /** + * Check if the Cache Manager contains the named cache object, or a named + * configuration template to lazy load the cache object + * + * @param string $name + * @return bool + */ + public function hasCache($name) + { + if (isset($this->_caches[$name]) + || $this->hasCacheTemplate($name) + ) { + return true; + } + return false; + } + + /** + * Fetch the named cache object, or instantiate and return a cache object + * using a named configuration template + * + * @param string $name + * @return Zend_Cache_Core + */ + public function getCache($name) + { + if (isset($this->_caches[$name])) { + return $this->_caches[$name]; + } + if (isset($this->_optionTemplates[$name])) { + if ($name == self::PAGECACHE + && (!isset($this->_optionTemplates[$name]['backend']['options']['tag_cache']) + || !$this->_optionTemplates[$name]['backend']['options']['tag_cache'] instanceof Zend_Cache_Core) + ) { + $this->_optionTemplates[$name]['backend']['options']['tag_cache'] + = $this->getCache(self::PAGETAGCACHE); + } + + $this->_caches[$name] = Zend_Cache::factory( + $this->_optionTemplates[$name]['frontend']['name'], + $this->_optionTemplates[$name]['backend']['name'], + isset($this->_optionTemplates[$name]['frontend']['options']) ? $this->_optionTemplates[$name]['frontend']['options'] : array(), + isset($this->_optionTemplates[$name]['backend']['options']) ? $this->_optionTemplates[$name]['backend']['options'] : array(), + isset($this->_optionTemplates[$name]['frontend']['customFrontendNaming']) ? $this->_optionTemplates[$name]['frontend']['customFrontendNaming'] : false, + isset($this->_optionTemplates[$name]['backend']['customBackendNaming']) ? $this->_optionTemplates[$name]['backend']['customBackendNaming'] : false, + isset($this->_optionTemplates[$name]['frontendBackendAutoload']) ? $this->_optionTemplates[$name]['frontendBackendAutoload'] : false + ); + + return $this->_caches[$name]; + } + } + + /** + * Fetch all available caches + * + * @return array An array of all available caches with it's names as key + */ + public function getCaches() + { + $caches = $this->_caches; + foreach ($this->_optionTemplates as $name => $tmp) { + if (!isset($caches[$name])) { + $caches[$name] = $this->getCache($name); + } + } + return $caches; + } + + /** + * Set a named configuration template from which a cache object can later + * be lazy loaded + * + * @param string $name + * @param array $options + * @return Zend_Cache_Manager + */ + public function setCacheTemplate($name, $options) + { + if ($options instanceof Zend_Config) { + $options = $options->toArray(); + } elseif (!is_array($options)) { + require_once 'Zend/Cache/Exception.php'; + throw new Zend_Cache_Exception('Options passed must be in' + . ' an associative array or instance of Zend_Config'); + } + $this->_optionTemplates[$name] = $options; + return $this; + } + + /** + * Check if the named configuration template + * + * @param string $name + * @return bool + */ + public function hasCacheTemplate($name) + { + if (isset($this->_optionTemplates[$name])) { + return true; + } + return false; + } + + /** + * Get the named configuration template + * + * @param string $name + * @return array + */ + public function getCacheTemplate($name) + { + if (isset($this->_optionTemplates[$name])) { + return $this->_optionTemplates[$name]; + } + } + + /** + * Pass an array containing changes to be applied to a named + * configuration + * template + * + * @param string $name + * @param array $options + * @return Zend_Cache_Manager + * @throws Zend_Cache_Exception for invalid options format or if option templates do not have $name + */ + public function setTemplateOptions($name, $options) + { + if ($options instanceof Zend_Config) { + $options = $options->toArray(); + } elseif (!is_array($options)) { + require_once 'Zend/Cache/Exception.php'; + throw new Zend_Cache_Exception('Options passed must be in' + . ' an associative array or instance of Zend_Config'); + } + if (!isset($this->_optionTemplates[$name])) { + throw new Zend_Cache_Exception('A cache configuration template' + . 'does not exist with the name "' . $name . '"'); + } + $this->_optionTemplates[$name] + = $this->_mergeOptions($this->_optionTemplates[$name], $options); + return $this; + } + + /** + * Simple method to merge two configuration arrays + * + * @param array $current + * @param array $options + * @return array + */ + protected function _mergeOptions(array $current, array $options) + { + if (isset($options['frontend']['name'])) { + $current['frontend']['name'] = $options['frontend']['name']; + } + if (isset($options['backend']['name'])) { + $current['backend']['name'] = $options['backend']['name']; + } + if (isset($options['frontend']['options'])) { + foreach ($options['frontend']['options'] as $key=>$value) { + $current['frontend']['options'][$key] = $value; + } + } + if (isset($options['backend']['options'])) { + foreach ($options['backend']['options'] as $key=>$value) { + $current['backend']['options'][$key] = $value; + } + } + return $current; + } +} diff --git a/libraries/Zend/Exception.php b/libraries/Zend/Exception.php new file mode 100644 index 0000000..bbfb792 --- /dev/null +++ b/libraries/Zend/Exception.php @@ -0,0 +1,95 @@ +_previous = $previous; + } else { + parent::__construct($msg, (int) $code, $previous); + } + } + + /** + * Overloading + * + * For PHP < 5.3.0, provides access to the getPrevious() method. + * + * @param string $method + * @param array $args + * @return mixed + */ + public function __call($method, array $args) + { + if ('getprevious' == strtolower($method)) { + return $this->_getPrevious(); + } + return null; + } + + /** + * String representation of the exception + * + * @return string + */ + public function __toString() + { + if (version_compare(PHP_VERSION, '5.3.0', '<')) { + if (null !== ($e = $this->getPrevious())) { + return $e->__toString() + . "\n\nNext " + . parent::__toString(); + } + } + return parent::__toString(); + } + + /** + * Returns previous Exception + * + * @return Exception|null + */ + protected function _getPrevious() + { + return $this->_previous; + } +} diff --git a/libraries/Zend/Loader.php b/libraries/Zend/Loader.php new file mode 100644 index 0000000..e744d0f --- /dev/null +++ b/libraries/Zend/Loader.php @@ -0,0 +1,329 @@ + $dir) { + if ($dir == '.') { + $dirs[$key] = $dirPath; + } else { + $dir = rtrim($dir, '\\/'); + $dirs[$key] = $dir . DIRECTORY_SEPARATOR . $dirPath; + } + } + $file = basename($file); + self::loadFile($file, $dirs, true); + } else { + self::loadFile($file, null, true); + } + + if (!class_exists($class, false) && !interface_exists($class, false)) { + require_once 'Zend/Exception.php'; + throw new Zend_Exception("File \"$file\" does not exist or class \"$class\" was not found in the file"); + } + } + + /** + * Loads a PHP file. This is a wrapper for PHP's include() function. + * + * $filename must be the complete filename, including any + * extension such as ".php". Note that a security check is performed that + * does not permit extended characters in the filename. This method is + * intended for loading Zend Framework files. + * + * If $dirs is a string or an array, it will search the directories + * in the order supplied, and attempt to load the first matching file. + * + * If the file was not found in the $dirs, or if no $dirs were specified, + * it will attempt to load it from PHP's include_path. + * + * If $once is TRUE, it will use include_once() instead of include(). + * + * @param string $filename + * @param string|array $dirs - OPTIONAL either a path or array of paths + * to search. + * @param boolean $once + * @return boolean + * @throws Zend_Exception + */ + public static function loadFile($filename, $dirs = null, $once = false) + { + self::_securityCheck($filename); + + /** + * Search in provided directories, as well as include_path + */ + $incPath = false; + if (!empty($dirs) && (is_array($dirs) || is_string($dirs))) { + if (is_array($dirs)) { + $dirs = implode(PATH_SEPARATOR, $dirs); + } + $incPath = get_include_path(); + set_include_path($dirs . PATH_SEPARATOR . $incPath); + } + + /** + * Try finding for the plain filename in the include_path. + */ + if ($once) { + include_once $filename; + } else { + include $filename; + } + + /** + * If searching in directories, reset include_path + */ + if ($incPath) { + set_include_path($incPath); + } + + return true; + } + + /** + * Returns TRUE if the $filename is readable, or FALSE otherwise. + * This function uses the PHP include_path, where PHP's is_readable() + * does not. + * + * Note from ZF-2900: + * If you use custom error handler, please check whether return value + * from error_reporting() is zero or not. + * At mark of fopen() can not suppress warning if the handler is used. + * + * @param string $filename + * @return boolean + */ + public static function isReadable($filename) + { + if (is_readable($filename)) { + // Return early if the filename is readable without needing the + // include_path + return true; + } + + if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN' + && preg_match('/^[a-z]:/i', $filename) + ) { + // If on windows, and path provided is clearly an absolute path, + // return false immediately + return false; + } + + foreach (self::explodeIncludePath() as $path) { + if ($path == '.') { + if (is_readable($filename)) { + return true; + } + continue; + } + $file = $path . '/' . $filename; + if (is_readable($file)) { + return true; + } + } + return false; + } + + /** + * Explode an include path into an array + * + * If no path provided, uses current include_path. Works around issues that + * occur when the path includes stream schemas. + * + * @param string|null $path + * @return array + */ + public static function explodeIncludePath($path = null) + { + if (null === $path) { + $path = get_include_path(); + } + + if (PATH_SEPARATOR == ':') { + // On *nix systems, include_paths which include paths with a stream + // schema cannot be safely explode'd, so we have to be a bit more + // intelligent in the approach. + $paths = preg_split('#:(?!//)#', $path); + } else { + $paths = explode(PATH_SEPARATOR, $path); + } + return $paths; + } + + /** + * spl_autoload() suitable implementation for supporting class autoloading. + * + * Attach to spl_autoload() using the following: + * + * spl_autoload_register(array('Zend_Loader', 'autoload')); + * + * + * @deprecated Since 1.8.0 + * @param string $class + * @return string|false Class name on success; false on failure + */ + public static function autoload($class) + { + trigger_error(__CLASS__ . '::' . __METHOD__ . ' is deprecated as of 1.8.0 and will be removed with 2.0.0; use Zend_Loader_Autoloader instead', E_USER_NOTICE); + try { + @self::loadClass($class); + return $class; + } catch (Exception $e) { + return false; + } + } + + /** + * Register {@link autoload()} with spl_autoload() + * + * @deprecated Since 1.8.0 + * @param string $class (optional) + * @param boolean $enabled (optional) + * @return void + * @throws Zend_Exception if spl_autoload() is not found + * or if the specified class does not have an autoload() method. + */ + public static function registerAutoload($class = 'Zend_Loader', $enabled = true) + { + trigger_error(__CLASS__ . '::' . __METHOD__ . ' is deprecated as of 1.8.0 and will be removed with 2.0.0; use Zend_Loader_Autoloader instead', E_USER_NOTICE); + require_once 'Zend/Loader/Autoloader.php'; + $autoloader = Zend_Loader_Autoloader::getInstance(); + $autoloader->setFallbackAutoloader(true); + + if ('Zend_Loader' != $class) { + self::loadClass($class); + $methods = get_class_methods($class); + if (!in_array('autoload', (array) $methods)) { + require_once 'Zend/Exception.php'; + throw new Zend_Exception("The class \"$class\" does not have an autoload() method"); + } + + $callback = array($class, 'autoload'); + + if ($enabled) { + $autoloader->pushAutoloader($callback); + } else { + $autoloader->removeAutoloader($callback); + } + } + } + + /** + * Ensure that filename does not contain exploits + * + * @param string $filename + * @return void + * @throws Zend_Exception + */ + protected static function _securityCheck($filename) + { + /** + * Security check + */ + if (preg_match('/[^a-z0-9\\/\\\\_.:-]/i', $filename)) { + require_once 'Zend/Exception.php'; + throw new Zend_Exception('Security check: Illegal character in filename'); + } + } + + /** + * Attempt to include() the file. + * + * include() is not prefixed with the @ operator because if + * the file is loaded and contains a parse error, execution + * will halt silently and this is difficult to debug. + * + * Always set display_errors = Off on production servers! + * + * @param string $filespec + * @param boolean $once + * @return boolean + * @deprecated Since 1.5.0; use loadFile() instead + */ + protected static function _includeFile($filespec, $once = false) + { + if ($once) { + return include_once $filespec; + } else { + return include $filespec ; + } + } +} diff --git a/libraries/feedwriter/FeedItem.php b/libraries/feedwriter/FeedItem.php new file mode 100644 index 0000000..71e6e98 --- /dev/null +++ b/libraries/feedwriter/FeedItem.php @@ -0,0 +1,167 @@ + + * @link http://www.ajaxray.com/projects/rss + */ + class FeedItem + { + private $elements = array(); //Collection of feed elements + private $version; + + /** + * Constructor + * + * @param contant (RSS1/RSS2/ATOM) RSS2 is default. + */ + function __construct($version = RSS2) + { + $this->version = $version; + } + + /** + * Add an element to elements array + * + * @access public + * @param srting The tag name of an element + * @param srting The content of tag + * @param array Attributes(if any) in 'attrName' => 'attrValue' format + * @return void + */ + public function addElement($elementName, $content, $attributes = null) + { + $this->elements[$elementName]['name'] = $elementName; + $this->elements[$elementName]['content'] = $content; + $this->elements[$elementName]['attributes'] = $attributes; + } + + /** + * Set multiple feed elements from an array. + * Elements which have attributes cannot be added by this method + * + * @access public + * @param array array of elements in 'tagName' => 'tagContent' format. + * @return void + */ + public function addElementArray($elementArray) + { + if(! is_array($elementArray)) return; + foreach ($elementArray as $elementName => $content) + { + $this->addElement($elementName, $content); + } + } + + /** + * Return the collection of elements in this feed item + * + * @access public + * @return array + */ + public function getElements() + { + return $this->elements; + } + + // Wrapper functions ------------------------------------------------------ + + /** + * Set the 'dscription' element of feed item + * + * @access public + * @param string The content of 'description' element + * @return void + */ + public function setDescription($description) + { + $tag = ($this->version == ATOM)? 'summary' : 'description'; + $this->addElement($tag, $description); + } + + /** + * @desc Set the 'title' element of feed item + * @access public + * @param string The content of 'title' element + * @return void + */ + public function setTitle($title) + { + $this->addElement('title', $title); + } + + /** + * Set the 'date' element of feed item + * + * @access public + * @param string The content of 'date' element + * @return void + */ + public function setDate($date) + { + if(! is_numeric($date)) + { + $date = strtotime($date); + } + + if($this->version == ATOM) + { + $tag = 'updated'; + $value = date(DATE_ATOM, $date); + } + elseif($this->version == RSS2) + { + $tag = 'pubDate'; + $value = date(DATE_RSS, $date); + } + else + { + $tag = 'dc:date'; + $value = date("Y-m-d", $date); + } + + $this->addElement($tag, $value); + } + + /** + * Set the 'link' element of feed item + * + * @access public + * @param string The content of 'link' element + * @return void + */ + public function setLink($link) + { + if($this->version == RSS2 || $this->version == RSS1) + { + $this->addElement('link', $link); + } + else + { + $this->addElement('link','',array('href'=>$link)); + $this->addElement('id', FeedWriter::uuid($link,'urn:uuid:')); + } + + } + + /** + * Set the 'encloser' element of feed item + * For RSS 2.0 only + * + * @access public + * @param string The url attribute of encloser tag + * @param string The length attribute of encloser tag + * @param string The type attribute of encloser tag + * @return void + */ + public function setEncloser($url, $length, $type) + { + $attributes = array('url'=>$url, 'length'=>$length, 'type'=>$type); + $this->addElement('enclosure','',$attributes); + } + + } // end of class FeedItem +?> diff --git a/libraries/feedwriter/FeedWriter.php b/libraries/feedwriter/FeedWriter.php new file mode 100644 index 0000000..c9b7db5 --- /dev/null +++ b/libraries/feedwriter/FeedWriter.php @@ -0,0 +1,430 @@ + + * @link http://www.ajaxray.com/projects/rss + */ + class FeedWriter + { + private $channels = array(); // Collection of channel elements + private $items = array(); // Collection of items as object of FeedItem class. + private $data = array(); // Store some other version wise data + private $CDATAEncoding = array(); // The tag names which have to encoded as CDATA + + private $version = null; + + /** + * Constructor + * + * @param constant the version constant (RSS1/RSS2/ATOM). + */ + function __construct($version = RSS2) + { + $this->version = $version; + + // Setting default value for assential channel elements + $this->channels['title'] = $version . ' Feed'; + $this->channels['link'] = 'http://www.ajaxray.com/blog'; + + //Tag names to encode in CDATA + $this->CDATAEncoding = array('description', 'content:encoded', 'content', 'subtitle', 'summary'); + } + + // Start # public functions --------------------------------------------- + + /** + * Set a channel element + * @access public + * @param srting name of the channel tag + * @param string content of the channel tag + * @return void + */ + public function setChannelElement($elementName, $content) + { + $this->channels[$elementName] = $content ; + } + + /** + * Set multiple channel elements from an array. Array elements + * should be 'channelName' => 'channelContent' format. + * + * @access public + * @param array array of channels + * @return void + */ + public function setChannelElementsFromArray($elementArray) + { + if(! is_array($elementArray)) return; + foreach ($elementArray as $elementName => $content) + { + $this->setChannelElement($elementName, $content); + } + } + + /** + * Genarate the actual RSS/ATOM file + * + * @access public + * @return void + */ + public function genarateFeed() + { + header("Content-type: text/xml; charset=UTF-8"); + + $this->printHead(); + $this->printChannels(); + $this->printItems(); + $this->printTale(); + } + + /** + * Create a new FeedItem. + * + * @access public + * @return object instance of FeedItem class + */ + public function createNewItem() + { + $Item = new FeedItem($this->version); + return $Item; + } + + /** + * Add a FeedItem to the main class + * + * @access public + * @param object instance of FeedItem class + * @return void + */ + public function addItem($feedItem) + { + $this->items[] = $feedItem; + } + + + // Wrapper functions ------------------------------------------------------------------- + + /** + * Set the 'title' channel element + * + * @access public + * @param srting value of 'title' channel tag + * @return void + */ + public function setTitle($title) + { + $this->setChannelElement('title', $title); + } + + /** + * Set the 'description' channel element + * + * @access public + * @param srting value of 'description' channel tag + * @return void + */ + public function setDescription($desciption) + { + $tag = ($this->version == ATOM)? 'subtitle' : 'description'; + $this->setChannelElement($tag, $desciption); + } + + /** + * Set the 'link' channel element + * + * @access public + * @param srting value of 'link' channel tag + * @return void + */ + public function setLink($link) + { + $this->setChannelElement('link', $link); + } + + /** + * Set the 'image' channel element + * + * @access public + * @param srting title of image + * @param srting link url of the imahe + * @param srting path url of the image + * @return void + */ + public function setImage($title, $link, $url) + { + $this->setChannelElement('image', array('title'=>$title, 'link'=>$link, 'url'=>$url)); + } + + /** + * Set the 'about' channel element. Only for RSS 1.0 + * + * @access public + * @param srting value of 'about' channel tag + * @return void + */ + public function setChannelAbout($url) + { + $this->data['ChannelAbout'] = $url; + } + + /** + * Genarates an UUID + * @author Anis uddin Ahmad + * @param string an optional prefix + * @return string the formated uuid + */ + public function uuid($key = null, $prefix = '') + { + $key = ($key == null)? uniqid(rand()) : $key; + $chars = md5($key); + $uuid = substr($chars,0,8) . '-'; + $uuid .= substr($chars,8,4) . '-'; + $uuid .= substr($chars,12,4) . '-'; + $uuid .= substr($chars,16,4) . '-'; + $uuid .= substr($chars,20,12); + + return $prefix . $uuid; + } + // End # public functions ---------------------------------------------- + + // Start # private functions ---------------------------------------------- + + /** + * Prints the xml and rss namespace + * + * @access private + * @return void + */ + private function printHead() + { + $out = '' . "\n"; + + if($this->version == RSS2) + { + $out .= '' . PHP_EOL; + } + elseif($this->version == RSS1) + { + $out .= '' . PHP_EOL;; + } + else if($this->version == ATOM) + { + $out .= '' . PHP_EOL;; + } + echo $out; + } + + /** + * Closes the open tags at the end of file + * + * @access private + * @return void + */ + private function printTale() + { + if($this->version == RSS2) + { + echo '' . PHP_EOL . ''; + } + elseif($this->version == RSS1) + { + echo ''; + } + else if($this->version == ATOM) + { + echo ''; + } + + } + + /** + * Creates a single node as xml format + * + * @access private + * @param srting name of the tag + * @param mixed tag value as string or array of nested tags in 'tagName' => 'tagValue' format + * @param array Attributes(if any) in 'attrName' => 'attrValue' format + * @return string formatted xml tag + */ + private function makeNode($tagName, $tagContent, $attributes = null) + { + $nodeText = ''; + $attrText = ''; + + if(is_array($attributes)) + { + foreach ($attributes as $key => $value) + { + $attrText .= " $key=\"$value\" "; + } + } + + if(is_array($tagContent) && $this->version == RSS1) + { + $attrText = ' rdf:parseType="Resource"'; + } + + + $attrText .= (in_array($tagName, $this->CDATAEncoding) && $this->version == ATOM)? ' type="html" ' : ''; + //$nodeText .= (in_array($tagName, $this->CDATAEncoding))? "<{$tagName}{$attrText}>"; + $nodeText .= "<{$tagName}{$attrText}>"; + + if(is_array($tagContent)) + { + foreach ($tagContent as $key => $value) + { + $nodeText .= $this->makeNode($key, $value); + } + } + else + { + //$nodeText .= (in_array($tagName, $this->CDATAEncoding))? $tagContent : htmlentities($tagContent); + $nodeText .= htmlspecialchars($tagContent); + } + + //$nodeText .= (in_array($tagName, $this->CDATAEncoding))? "]]>" : ""; + $nodeText .= ""; + + return $nodeText . PHP_EOL; + } + + /** + * @desc Print channels + * @access private + * @return void + */ + private function printChannels() + { + //Start channel tag + switch ($this->version) + { + case RSS2: + echo '' . PHP_EOL; + break; + case RSS1: + echo (isset($this->data['ChannelAbout']))? "data['ChannelAbout']}\">" : "channels['link']}\">"; + break; + } + + //Print Items of channel + foreach ($this->channels as $key => $value) + { + if($this->version == ATOM && $key == 'link') + { + // ATOM prints link element as href attribute + echo $this->makeNode($key,'',array('href'=>$value)); + //Add the id for ATOM + echo $this->makeNode('id',$this->uuid($value,'urn:uuid:')); + } + else + { + echo $this->makeNode($key, $value); + } + + } + + //RSS 1.0 have special tag with channel + if($this->version == RSS1) + { + echo "" . PHP_EOL . "" . PHP_EOL; + foreach ($this->items as $item) + { + $thisItems = $item->getElements(); + echo "" . PHP_EOL; + } + echo "" . PHP_EOL . "" . PHP_EOL . "" . PHP_EOL; + } + } + + /** + * Prints formatted feed items + * + * @access private + * @return void + */ + private function printItems() + { + foreach ($this->items as $item) + { + $thisItems = $item->getElements(); + + //the argument is printed as rdf:about attribute of item in rss 1.0 + echo $this->startItem($thisItems['link']['content']); + + foreach ($thisItems as $feedItem ) + { + echo $this->makeNode($feedItem['name'], $feedItem['content'], $feedItem['attributes']); + } + echo $this->endItem(); + } + } + + /** + * Make the starting tag of channels + * + * @access private + * @param srting The vale of about tag which is used for only RSS 1.0 + * @return void + */ + private function startItem($about = false) + { + if($this->version == RSS2) + { + echo '' . PHP_EOL; + } + elseif($this->version == RSS1) + { + if($about) + { + echo "" . PHP_EOL; + } + else + { + die('link element is not set .\n It\'s required for RSS 1.0 to be used as about attribute of item'); + } + } + else if($this->version == ATOM) + { + echo "" . PHP_EOL; + } + } + + /** + * Closes feed item tag + * + * @access private + * @return void + */ + private function endItem() + { + if($this->version == RSS2 || $this->version == RSS1) + { + echo '' . PHP_EOL; + } + else if($this->version == ATOM) + { + echo "" . PHP_EOL; + } + } + + + + // End # private functions ---------------------------------------------- + + } // end of class FeedWriter \ No newline at end of file diff --git a/libraries/humble-http-agent/HumbleHttpAgent.php b/libraries/humble-http-agent/HumbleHttpAgent.php new file mode 100644 index 0000000..b63805d --- /dev/null +++ b/libraries/humble-http-agent/HumbleHttpAgent.php @@ -0,0 +1,247 @@ +parallelSupport = class_exists('HttpRequestPool'); + $this->requestOptions = array( + 'timeout' => 10, + 'redirect' => 5 + // TODO: test onprogress? + ); + if (is_array($requestOptions)) { + $this->requestOptions = array_merge($this->requestOptions, $requestOptions); + } + $this->httpContext = stream_context_create(array( + 'http' => array( + 'timeout' => $this->requestOptions['timeout'], + 'max_redirects' => $this->requestOptions['redirect'] + ) + ) + ); + } + + protected function debug($msg) { + if ($this->debug) { + $mem = round(memory_get_usage()/1024, 2); + $memPeak = round(memory_get_peak_usage()/1024, 2); + echo '* ',$msg; + echo ' - mem used: ',$mem," (peak: $memPeak)\n"; + ob_flush(); + flush(); + } + } + + public function enableDebug($bool=true) { + $this->debug = (bool)$bool; + } + + public function minimiseMemoryUse($bool = true) { + $this->minimiseMemoryUse = $bool; + } + + public function setMaxParallelRequests($max) { + $this->maxParallelRequests = $max; + } + + /** + * Set cache object. + * The cache object passed should implement Zend_Cache_Backend_Interface + * @param Zend_Cache_Backend_Interface + */ + public function useCache($cache) { + $this->cache = $cache; + } + + public function validateUrl($url) { + $url = filter_var($url, FILTER_VALIDATE_URL, FILTER_FLAG_SCHEME_REQUIRED); + if ($url !== false && $url !== null && preg_match('!^https?://!', $url)) { + return filter_var($url, FILTER_SANITIZE_URL); + } else { + return false; + } + } + + public function isCached($url) { + if (!isset($this->cache)) return false; + return ($this->cache->test(md5($url)) !== false); + } + + public function getCached($url) { + $cached = $this->cache->load(md5($url)); + $cached['fromCache'] = true; + return $cached; + } + + public function cache($url) { + if (isset($this->cache) && !isset($this->requests[$url]['fromCache']) && isset($this->requests[$url]['body'])) { + $this->debug("Saving to cache ($url)"); + $res = $this->cache->save($this->requests[$url], md5($url)); + //$res = @file_put_contents($this->cacheFolder.'/'.md5($url).'.txt', serialize($this->requests[$url])); + return ($res !== false); + } + return false; + } + + public function cacheAll() { + if (isset($this->cache)) { + foreach (array_keys($this->requests) as $url) { + $this->cache($url); + } + return true; + } + return false; + } + + public function fetchAll(array $urls) { + $urls = array_unique($urls); + // parallel + if (count($urls) > 1 && $this->parallelSupport() && $this->maxParallelRequests > 1) { + $this->debug('Starting parallel fetch'); + try { + while (count($urls) > 0) { + $this->debug('Processing set of '.$this->maxParallelRequests); + $subset = array_splice($urls, 0, $this->maxParallelRequests); + $pool = new HttpRequestPool(); + foreach ($subset as $url) { + $this->debug("...$url"); + if (isset($this->requests[$url])) { + $this->debug("......in memory"); + } elseif ($this->isCached($url)) { + $this->debug("......is cached"); + if (!$this->minimiseMemoryUse) { + $this->requests[$url] = $this->getCached($url); + } + } else { + $this->debug("......adding to pool"); + $httpRequest = new HttpRequest($url, HttpRequest::METH_GET, $this->requestOptions); + $this->requests[$url] = array('headers'=>null, 'body'=>null, 'httpRequest'=>$httpRequest); + $pool->attach($httpRequest); + } + } + // did we get anything into the pool? + if (count($pool) > 0) { + $this->debug('Sending request...'); + $pool->send(); + $this->debug('Received responses'); + foreach($subset as $url) { + if (!isset($this->requests[$url]['fromCache'])) { + $request = $this->requests[$url]['httpRequest']; + $this->requests[$url]['headers'] = $this->headersToString($request->getResponseHeader()); + $this->requests[$url]['body'] = $request->getResponseBody(); + $this->requests[$url]['effective_url'] = $request->getResponseInfo('effective_url'); + //die($url.' -multi- '.$request->getResponseInfo('effective_url')); + $pool->detach($request); + unset($this->requests[$url]['httpRequest'], $request); + if ($this->minimiseMemoryUse) { + if ($this->cache($url)) { + unset($this->requests[$url]); + } + } + } + } + } + } + } catch (HttpException $e) { + $this->debug($e); + return false; + } + // sequential + } else { + $this->debug('Starting sequential fetch...'); + foreach($urls as $url) { + $this->get($url); + } + } + } + + protected function headersToString(array $headers, $associative=true) { + if (!$associative) { + return implode("\n", $headers); + } else { + $str = ''; + foreach ($headers as $key => $val) { + if (is_array($val)) { + foreach ($val as $v) $str .= "$key: $v\n"; + } else { + $str .= "$key: $val\n"; + } + } + return rtrim($str); + } + } + + protected function getRedirectUrl($header) { + if (is_array($header)) $header = implode("\n", $header); + if (!$header || !preg_match_all('!^Location:\s*(https?://.+)!im', $header, $match, PREG_SET_ORDER)) { + // error parsing the response + return false; + } else { + $match = end($match); // get last matched element (in case of redirects) + return $match[1]; + } + } + + public function get($url) { + if (isset($this->requests[$url]) && isset($this->requests[$url]['body'])) { + $this->debug("URL already fetched - in memory ($url)"); + $response = $this->requests[$url]; + } elseif ($this->isCached($url)) { + $this->debug("URL already fetched - in disk cache ($url)"); + $response = $this->getCached($url); + $this->requests[$url] = $response; + } else { + $this->debug("Fetching URL ($url)"); + if ($html = @file_get_contents($url, false, $this->httpContext)) { + $header = $this->headersToString($http_response_header, false); + $response = array('headers'=>$header, 'body'=>$html); + if ($last_url = $this->getRedirectUrl($header)) { + $response['effective_url'] = $last_url; + //die($url .' -single- '. $response['effective_url']); + } else { + $response['effective_url'] = $url; + } + $this->requests[$url] = $response; + } else { + $response = false; + } + } + if ($this->minimiseMemoryUse && $response) { + $this->cache($url); + unset($this->requests[$url]); + } + return $response; + } + + public function parallelSupport() { + return $this->parallelSupport; + } +} +?> \ No newline at end of file diff --git a/libraries/iri/LICENSE b/libraries/iri/LICENSE new file mode 100644 index 0000000..3fb8ed2 --- /dev/null +++ b/libraries/iri/LICENSE @@ -0,0 +1,26 @@ +Copyright (c) 2007, Geoffrey Sneddon and Steve Minutillo. +All rights reserved. + +Redistribution and use in source and binary forms, with or without modification, are +permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, this list of + conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright notice, this list + of conditions and the following disclaimer in the documentation and/or other materials + provided with the distribution. + + * Neither the name of the SimplePie Team nor the names of its contributors may be used + to endorse or promote products derived from this software without specific prior + written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS +OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY +AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS +AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +POSSIBILITY OF SUCH DAMAGE. \ No newline at end of file diff --git a/libraries/iri/iri.php b/libraries/iri/iri.php new file mode 100644 index 0000000..a4788db --- /dev/null +++ b/libraries/iri/iri.php @@ -0,0 +1,1397 @@ + array( + 'port' => 674 + ), + 'dict' => array( + 'port' => 2628 + ), + 'file' => array( + 'ihost' => 'localhost' + ), + 'http' => array( + 'port' => 80, + 'ipath' => '/' + ), + 'https' => array( + 'port' => 443, + 'ipath' => '/' + ), + ); + + /** + * Return the entire IRI when you try and read the object as a string + * + * @return string + */ + public function __toString() + { + return $this->iri; + } + + /** + * Overload __set() to provide access via properties + * + * @param string $name Property name + * @param mixed $value Property value + * @return void + */ + public function __set($name, $value) + { + if (method_exists($this, 'set_' . $name)) + { + call_user_func(array($this, 'set_' . $name), $value); + } + elseif ( + $name === 'iauthority' + || $name === 'iuserinfo' + || $name === 'ihost' + || $name === 'ipath' + || $name === 'iquery' + || $name === 'ifragment' + ) + { + call_user_func(array($this, 'set_' . substr($name, 1)), $value); + } + } + + /** + * Overload __get() to provide access via properties + * + * @param string $name Property name + * @return mixed + */ + public function __get($name) + { + if (!$this->is_valid()) + { + return false; + } + elseif (method_exists($this, 'get_' . $name)) + { + $return = call_user_func(array($this, 'get_' . $name)); + } + elseif (isset($this->$name)) + { + $return = $this->$name; + } + else + { + trigger_error('Undefined property: ' . get_class($this) . '::' . $name, E_USER_NOTICE); + $return = null; + } + + if ($return === null && isset($this->normalization[$this->scheme][$name])) + { + return $this->normalization[$this->scheme][$name]; + } + else + { + return $return; + } + } + + /** + * Overload __isset() to provide access via properties + * + * @param string $name Property name + * @return bool + */ + public function __isset($name) + { + if (method_exists($this, 'get_' . $name) || isset($this->$name)) + { + return true; + } + else + { + return false; + } + } + + /** + * Overload __unset() to provide access via properties + * + * @param string $name Property name + * @param mixed $value Property value + * @return void + */ + public function __unset($name) + { + if (method_exists($this, 'set_' . $name)) + { + call_user_func(array($this, 'set_' . $name), ''); + } + } + + /** + * Create a new IRI object, from a specified string + * + * @param string $iri + * @return IRI + */ + public function __construct($iri = null) + { + $this->set_iri($iri); + } + + /** + * Create a new IRI object by resolving a relative IRI + * + * Returns false if $base is not absolute, otherwise an IRI. + * + * @param IRI $base (Absolute) Base IRI + * @param IRI|string $relative Relative IRI + * @return IRI|false + */ + public static function absolutize(IRI $base, $relative) + { + if (!($relative instanceof IRI)) + { + $relative = new IRI($relative); + } + if ($base->scheme !== null) + { + if ($relative->iri !== '' && $relative->iri !== null) + { + if ($relative->scheme !== null) + { + $target = clone $relative; + } + elseif ($relative->iauthority !== null) + { + $target = clone $relative; + $target->scheme = $base->scheme; + } + else + { + $target = new IRI; + $target->scheme = $base->scheme; + $target->iuserinfo = $base->iuserinfo; + $target->ihost = $base->ihost; + $target->port = $base->port; + if ($relative->ipath !== '') + { + if ($relative->ipath[0] === '/') + { + $target->ipath = $relative->ipath; + } + elseif (($base->iuserinfo !== null || $base->ihost !== null || $base->port !== null) && $base->ipath === null) + { + $target->ipath = '/' . $relative->ipath; + } + elseif (($last_segment = strrpos($base->ipath, '/')) !== false) + { + $target->ipath = substr($base->ipath, 0, $last_segment + 1) . $relative->ipath; + } + else + { + $target->ipath = $relative->ipath; + } + $target->ipath = $target->remove_dot_segments($target->ipath); + $target->iquery = $relative->iquery; + } + else + { + $target->ipath = $base->ipath; + if ($relative->iquery !== null) + { + $target->iquery = $relative->iquery; + } + elseif ($base->iquery !== null) + { + $target->iquery = $base->iquery; + } + } + $target->ifragment = $relative->ifragment; + } + } + else + { + $target = clone $base; + $target->ifragment = null; + } + $target->scheme_normalization(); + return $target; + } + else + { + return false; + } + } + + /** + * Create a new IRI object by creating a relative IRI from two IRIs + * + * @param IRI $base Base IRI + * @param IRI $destination Destination IRI + * @return IRI + */ + public static function build_relative(IRI $base, IRI $destination) + { + } + + /** + * Parse an IRI into scheme/authority/path/query/fragment segments + * + * @param string $iri + * @return array + */ + private function parse_iri($iri) + { + $iri = trim($iri, "\x20\x09\x0A\x0C\x0D"); + static $cache = array(); + if (isset($cache[$iri])) + { + return $cache[$iri]; + } + elseif ($iri === '') + { + return $cache[$iri] = array( + 'scheme' => null, + 'authority' => null, + 'path' => '', + 'query' => null, + 'fragment' => null + ); + } + elseif (preg_match('/^((?P[^:\/?#]+):)?(\/\/(?P[^\/?#]*))?(?P[^?#]*)(\?(?P[^#]*))?(#(?P.*))?$/', $iri, $match)) + { + if (!isset($match[1]) || $match[1] === '') + { + $match['scheme'] = null; + } + if (!isset($match[3]) || $match[3] === '') + { + $match['authority'] = null; + } + if (!isset($match[5]) || $match[5] === '') + { + $match['path'] = ''; + } + if (!isset($match[6]) || $match[6] === '') + { + $match['query'] = null; + } + if (!isset($match[8]) || $match[8] === '') + { + $match['fragment'] = null; + } + return $cache[$iri] = $match; + } + } + + /** + * Remove dot segments from a path + * + * @param string $input + * @return string + */ + private function remove_dot_segments($input) + { + $output = ''; + while (strpos($input, './') !== false || strpos($input, '/.') !== false || $input === '.' || $input === '..') + { + // A: If the input buffer begins with a prefix of "../" or "./", then remove that prefix from the input buffer; otherwise, + if (strpos($input, '../') === 0) + { + $input = substr($input, 3); + } + elseif (strpos($input, './') === 0) + { + $input = substr($input, 2); + } + // B: if the input buffer begins with a prefix of "/./" or "/.", where "." is a complete path segment, then replace that prefix with "/" in the input buffer; otherwise, + elseif (strpos($input, '/./') === 0) + { + $input = substr_replace($input, '/', 0, 3); + } + elseif ($input === '/.') + { + $input = '/'; + } + // C: if the input buffer begins with a prefix of "/../" or "/..", where ".." is a complete path segment, then replace that prefix with "/" in the input buffer and remove the last segment and its preceding "/" (if any) from the output buffer; otherwise, + elseif (strpos($input, '/../') === 0) + { + $input = substr_replace($input, '/', 0, 4); + $output = substr_replace($output, '', strrpos($output, '/')); + } + elseif ($input === '/..') + { + $input = '/'; + $output = substr_replace($output, '', strrpos($output, '/')); + } + // D: if the input buffer consists only of "." or "..", then remove that from the input buffer; otherwise, + elseif ($input === '.' || $input === '..') + { + $input = ''; + } + // E: move the first path segment in the input buffer to the end of the output buffer, including the initial "/" character (if any) and any subsequent characters up to, but not including, the next "/" character or the end of the input buffer + elseif (($pos = strpos($input, '/', 1)) !== false) + { + $output .= substr($input, 0, $pos); + $input = substr_replace($input, '', 0, $pos); + } + else + { + $output .= $input; + $input = ''; + } + } + return $output . $input; + } + + /** + * Replace invalid character with percent encoding + * + * @param string $string Input string + * @param string $extra_chars Valid characters not in iunreserved or + * iprivate (this is ASCII-only) + * @param bool $iprivate Allow iprivate + * @return string + */ + private function replace_invalid_with_pct_encoding($string, $extra_chars, $iprivate = false) + { + // Replace invalid percent characters + $string = preg_replace('/%($|[^A-Fa-f0-9]|[A-Fa-f0-9][^A-Fa-f0-9])/', '%25\1', $string); + + // Normalize as many pct-encoded sections as possible + $string = preg_replace_callback('/(?:%[A-Fa-f0-9]{2})+/', array(&$this, 'remove_iunreserved_percent_encoded'), $string); + + // Add unreserved and % to $extra_chars (the latter is safe because all + // pct-encoded sections are now valid). + $extra_chars .= 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~%'; + + // Now replace any bytes that aren't allowed with their pct-encoded versions + $position = 0; + $strlen = strlen($string); + while (($position += strspn($string, $extra_chars, $position)) < $strlen) + { + $value = ord($string[$position]); + + // Start position + $start = $position; + + // By default we are valid + $valid = true; + + // No one byte sequences are valid due to the while. + // Two byte sequence: + if (($value & 0xE0) === 0xC0) + { + $character = ($value & 0x1F) << 6; + $length = 2; + $remaining = 1; + } + // Three byte sequence: + elseif (($value & 0xF0) === 0xE0) + { + $character = ($value & 0x0F) << 12; + $length = 3; + $remaining = 2; + } + // Four byte sequence: + elseif (($value & 0xF8) === 0xF0) + { + $character = ($value & 0x07) << 18; + $length = 4; + $remaining = 3; + } + // Invalid byte: + else + { + $valid = false; + $length = 1; + $remaining = 0; + } + + if ($remaining) + { + if ($position + $length <= $strlen) + { + for ($position++; $remaining; $position++) + { + $value = ord($string[$position]); + + // Check that the byte is valid, then add it to the character: + if (($value & 0xC0) === 0x80) + { + $character |= ($value & 0x3F) << (--$remaining * 6); + } + // If it is invalid, count the sequence as invalid and reprocess the current byte: + else + { + $valid = false; + $position--; + break; + } + } + } + else + { + $position = $strlen - 1; + $valid = false; + } + } + + // Percent encode anything invalid or not in ucschar + if ( + // Invalid sequences + !$valid + // Non-shortest form sequences are invalid + || $length > 1 && $character <= 0x7F + || $length > 2 && $character <= 0x7FF + || $length > 3 && $character <= 0xFFFF + // Outside of range of ucschar codepoints + // Noncharacters + || ($character & 0xFFFE) === 0xFFFE + || $character >= 0xFDD0 && $character <= 0xFDEF + || ( + // Everything else not in ucschar + $character > 0xD7FF && $character < 0xF900 + || $character < 0xA0 + || $character > 0xEFFFD + ) + && ( + // Everything not in iprivate, if it applies + !$iprivate + || $character < 0xE000 + || $character > 0x10FFFD + ) + ) + { + // If we were a character, pretend we weren't, but rather an error. + if ($valid) + $position--; + + for ($j = $start; $j <= $position; $j++) + { + $string = substr_replace($string, sprintf('%%%02X', ord($string[$j])), $j, 1); + $j += 2; + $position += 2; + $strlen += 2; + } + } + } + + return $string; + } + + /** + * Callback function for preg_replace_callback. + * + * Removes sequences of percent encoded bytes that represent UTF-8 + * encoded characters in iunreserved + * + * @param array $match PCRE match + * @return string Replacement + */ + private function remove_iunreserved_percent_encoded($match) + { + // As we just have valid percent encoded sequences we can just explode + // and ignore the first member of the returned array (an empty string). + $bytes = explode('%', $match[0]); + + // Initialize the new string (this is what will be returned) and that + // there are no bytes remaining in the current sequence (unsurprising + // at the first byte!). + $string = ''; + $remaining = 0; + + // Loop over each and every byte, and set $value to its value + for ($i = 1, $len = count($bytes); $i < $len; $i++) + { + $value = hexdec($bytes[$i]); + + // If we're the first byte of sequence: + if (!$remaining) + { + // Start position + $start = $i; + + // By default we are valid + $valid = true; + + // One byte sequence: + if ($value <= 0x7F) + { + $character = $value; + $length = 1; + } + // Two byte sequence: + elseif (($value & 0xE0) === 0xC0) + { + $character = ($value & 0x1F) << 6; + $length = 2; + $remaining = 1; + } + // Three byte sequence: + elseif (($value & 0xF0) === 0xE0) + { + $character = ($value & 0x0F) << 12; + $length = 3; + $remaining = 2; + } + // Four byte sequence: + elseif (($value & 0xF8) === 0xF0) + { + $character = ($value & 0x07) << 18; + $length = 4; + $remaining = 3; + } + // Invalid byte: + else + { + $valid = false; + $remaining = 0; + } + } + // Continuation byte: + else + { + // Check that the byte is valid, then add it to the character: + if (($value & 0xC0) === 0x80) + { + $remaining--; + $character |= ($value & 0x3F) << ($remaining * 6); + } + // If it is invalid, count the sequence as invalid and reprocess the current byte as the start of a sequence: + else + { + $valid = false; + $remaining = 0; + $i--; + } + } + + // If we've reached the end of the current byte sequence, append it to Unicode::$data + if (!$remaining) + { + // Percent encode anything invalid or not in iunreserved + if ( + // Invalid sequences + !$valid + // Non-shortest form sequences are invalid + || $length > 1 && $character <= 0x7F + || $length > 2 && $character <= 0x7FF + || $length > 3 && $character <= 0xFFFF + // Outside of range of iunreserved codepoints + || $character < 0x2D + || $character > 0xEFFFD + // Noncharacters + || ($character & 0xFFFE) === 0xFFFE + || $character >= 0xFDD0 && $character <= 0xFDEF + // Everything else not in iunreserved (this is all BMP) + || $character === 0x2F + || $character > 0x39 && $character < 0x41 + || $character > 0x5A && $character < 0x61 + || $character > 0x7A && $character < 0x7E + || $character > 0x7E && $character < 0xA0 + || $character > 0xD7FF && $character < 0xF900 + ) + { + for ($j = $start; $j <= $i; $j++) + { + $string .= '%' . strtoupper($bytes[$j]); + } + } + else + { + for ($j = $start; $j <= $i; $j++) + { + $string .= chr(hexdec($bytes[$j])); + } + } + } + } + + // If we have any bytes left over they are invalid (i.e., we are + // mid-way through a multi-byte sequence) + if ($remaining) + { + for ($j = $start; $j < $len; $j++) + { + $string .= '%' . strtoupper($bytes[$j]); + } + } + + return $string; + } + + private function scheme_normalization() + { + if (isset($this->normalization[$this->scheme]['iuserinfo']) && $this->iuserinfo === $this->normalization[$this->scheme]['iuserinfo']) + { + $this->iuserinfo = null; + } + if (isset($this->normalization[$this->scheme]['ihost']) && $this->ihost === $this->normalization[$this->scheme]['ihost']) + { + $this->ihost = null; + } + if (isset($this->normalization[$this->scheme]['port']) && $this->port === $this->normalization[$this->scheme]['port']) + { + $this->port = null; + } + if (isset($this->normalization[$this->scheme]['ipath']) && $this->ipath === $this->normalization[$this->scheme]['ipath']) + { + $this->ipath = null; + } + if (isset($this->normalization[$this->scheme]['iquery']) && $this->iquery === $this->normalization[$this->scheme]['iquery']) + { + $this->iquery = null; + } + if (isset($this->normalization[$this->scheme]['ifragment']) && $this->ifragment === $this->normalization[$this->scheme]['ifragment']) + { + $this->ifragment = null; + } + } + + /** + * Check if the object represents a valid IRI. This needs to be done on each + * call as some things change depending on another part of the IRI. + * + * @return bool + */ + public function is_valid() + { + if ($this->ipath !== null && ( + substr($this->ipath, 0, 2) === '//' && $this->get_iauthority() === null + || substr($this->ipath, 0, 1) !== '/' && $this->ipath !== '' && $this->get_iauthority() !== null + || strpos($this->ipath, ':') !== false && (strpos($this->ipath, '/') === false ? true : strpos($this->ipath, ':') < strpos($this->ipath, '/')) && $this->scheme === null && $this->get_iauthority() === null + ) + ) + { + return false; + } + + return true; + } + + /** + * Set the entire IRI. Returns true on success, false on failure (if there + * are any invalid characters). + * + * @param string $iri + * @return bool + */ + private function set_iri($iri) + { + if ($iri !== null) + { + $parsed = $this->parse_iri((string) $iri); + + return $this->set_scheme($parsed['scheme']) + && $this->set_authority($parsed['authority']) + && $this->set_path($parsed['path']) + && $this->set_query($parsed['query']) + && $this->set_fragment($parsed['fragment']); + } + } + + /** + * Set the scheme. Returns true on success, false on failure (if there are + * any invalid characters). + * + * @param string $scheme + * @return bool + */ + private function set_scheme($scheme) + { + if ($scheme === null) + { + $this->scheme = null; + } + elseif ( + !($scheme = (string) $scheme) + || !isset($scheme[0]) + || $scheme[0] < 'A' + || $scheme[0] > 'Z' && $scheme[0] < 'a' + || $scheme[0] > 'z' + || strspn($scheme, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-.') !== strlen($scheme) + ) + { + $this->scheme = null; + return false; + } + else + { + $this->scheme = strtolower($scheme); + } + return true; + } + + /** + * Set the authority. Returns true on success, false on failure (if there are + * any invalid characters). + * + * @param string $authority + * @return bool + */ + private function set_authority($authority) + { + if (($iuserinfo_end = strrpos($authority, '@')) !== false) + { + $iuserinfo = substr($authority, 0, $iuserinfo_end); + $authority = substr($authority, $iuserinfo_end + 1); + } + else + { + $iuserinfo = null; + } + if (($port_start = strpos($authority, ':', strpos($authority, ']'))) !== false) + { + if (($port = substr($authority, $port_start + 1)) === false) + { + $port = null; + } + $authority = substr($authority, 0, $port_start); + } + else + { + $port = null; + } + + return $this->set_userinfo($iuserinfo) && $this->set_host($authority) && $this->set_port($port); + } + + /** + * Set the iuserinfo. + * + * @param string $iuserinfo + * @return bool + */ + private function set_userinfo($iuserinfo) + { + if ($iuserinfo === null) + { + $this->iuserinfo = null; + } + else + { + $this->iuserinfo = $this->replace_invalid_with_pct_encoding($iuserinfo, '!$&\'()*+,;=:'); + $this->scheme_normalization(); + } + + return true; + } + + /** + * Set the ihost. Returns true on success, false on failure (if there are + * any invalid characters). + * + * @param string $ihost + * @return bool + */ + private function set_host($ihost) + { + if ($ihost === null) + { + $this->ihost = null; + return true; + } + elseif (substr($ihost, 0, 1) === '[' && substr($ihost, -1) === ']') + { + if (Net_IPv6::check_ipv6(substr($ihost, 1, -1))) + { + $this->ihost = '[' . Net_IPv6::compress(substr($ihost, 1, -1)) . ']'; + } + else + { + $this->ihost = null; + return false; + } + } + else + { + $ihost = $this->replace_invalid_with_pct_encoding($ihost, '!$&\'()*+,;='); + + // Lowercase, but ignore pct-encoded sections (as they should + // remain uppercase). This must be done after the previous step + // as that can add unescaped characters. + $position = 0; + $strlen = strlen($ihost); + while (($position += strcspn($ihost, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ%', $position)) < $strlen) + { + if ($ihost[$position] === '%') + { + $position += 3; + } + else + { + $ihost[$position] = strtolower($ihost[$position]); + $position++; + } + } + + $this->ihost = $ihost; + } + + $this->scheme_normalization(); + + return true; + } + + /** + * Set the port. Returns true on success, false on failure (if there are + * any invalid characters). + * + * @param string $port + * @return bool + */ + private function set_port($port) + { + if ($port === null) + { + $this->port = null; + return true; + } + elseif (strspn($port, '0123456789') === strlen($port)) + { + $this->port = (int) $port; + $this->scheme_normalization(); + return true; + } + else + { + $this->port = null; + return false; + } + } + + /** + * Set the ipath. + * + * @param string $ipath + * @return bool + */ + private function set_path($ipath) + { + if ($ipath === null) + { + $this->ipath = null; + return true; + } + else + { + $ipath = explode('/', $ipath); + $this->ipath = ''; + foreach ($ipath as $segment) + { + $this->ipath .= $this->replace_invalid_with_pct_encoding($segment, '!$&\'()*+,;=@:'); + $this->ipath .= '/'; + } + $this->ipath = substr($this->ipath, 0, -1); + if ($this->scheme !== null) + { + $this->ipath = $this->remove_dot_segments($this->ipath); + } + $this->scheme_normalization(); + return true; + } + } + + /** + * Set the iquery. + * + * @param string $iquery + * @return bool + */ + private function set_query($iquery) + { + if ($iquery === null) + { + $this->iquery = null; + } + else + { + $this->iquery = $this->replace_invalid_with_pct_encoding($iquery, '!$&\'()*+,;=:@/?', true); + $this->scheme_normalization(); + } + return true; + } + + /** + * Set the ifragment. + * + * @param string $ifragment + * @return bool + */ + private function set_fragment($ifragment) + { + if ($ifragment === null) + { + $this->ifragment = null; + } + else + { + $this->ifragment = $this->replace_invalid_with_pct_encoding($ifragment, '!$&\'()*+,;=:@/?'); + $this->scheme_normalization(); + } + return true; + } + + /** + * Convert an IRI to a URI (or parts thereof) + * + * @return string + */ + private function to_uri($string) + { + static $non_ascii = "\x80\x81\x82\x83\x84\x85\x86\x87\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f\x90\x91\x92\x93\x94\x95\x96\x97\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7\xa8\xa9\xaa\xab\xac\xad\xae\xaf\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee\xef\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"; + + $position = 0; + $strlen = strlen($string); + while (($position += strcspn($string, $non_ascii, $position)) < $strlen) + { + $string = substr_replace($string, sprintf('%%%02X', ord($string[$position])), $position, 1); + $position += 3; + $strlen += 2; + } + + return $string; + } + + /** + * Get the complete IRI + * + * @return string + */ + private function get_iri() + { + $iri = ''; + $defined = false; + if ($this->scheme !== null) + { + $iri .= $this->scheme . ':'; + } + if (($iauthority = $this->iauthority) !== null) + { + $iri .= '//' . $iauthority; + } + if ($this->ipath !== null) + { + $iri .= $this->ipath; + $defined = true; + } + if ($this->iquery !== null) + { + $iri .= '?' . $this->iquery; + } + if ($this->ifragment !== null) + { + $iri .= '#' . $this->ifragment; + } + + if ($iri !== '' || $defined) + { + return $iri; + } + else + { + return null; + } + } + + /** + * Get the complete URI + * + * @return string + */ + private function get_uri() + { + $iri = $this->iri; + if (is_string($iri)) + return $this->to_uri($iri); + else + return $iri; + } + + /** + * Get the complete iauthority + * + * @return string + */ + private function get_iauthority() + { + $iauthority = ''; + if ($this->iuserinfo !== null) + { + $iauthority .= $this->iuserinfo . '@'; + } + if ($this->ihost !== null) + { + $iauthority .= $this->ihost; + } + if ($this->port !== null) + { + $iauthority .= ':' . $this->port; + } + + if ($this->iuserinfo !== null || $this->ihost !== null || $this->port !== null) + { + return $iauthority; + } + else + { + return null; + } + } + + /** + * Get the complete authority + * + * @return string + */ + private function get_authority() + { + $iauthority = $this->iauthority; + if (is_string($iauthority)) + return $this->to_uri($iauthority); + else + return $iauthority; + } +} + +/** + * Class to validate and to work with IPv6 addresses. + * + * This was originally based on the PEAR class of the same name, but has been + * almost entirely rewritten. + */ +class Net_IPv6 +{ + /** + * Uncompresses an IPv6 address + * + * RFC 4291 allows you to compress concecutive zero pieces in an address to + * '::'. This method expects a valid IPv6 address and expands the '::' to + * the required number of zero pieces. + * + * Example: FF01::101 -> FF01:0:0:0:0:0:0:101 + * ::1 -> 0:0:0:0:0:0:0:1 + * + * @author Alexander Merz + * @author elfrink at introweb dot nl + * @author Josh Peck + * @copyright 2003-2005 The PHP Group + * @license http://www.opensource.org/licenses/bsd-license.php + * @param string $ip An IPv6 address + * @return string The uncompressed IPv6 address + */ + public static function uncompress($ip) + { + $c1 = -1; + $c2 = -1; + if (substr_count($ip, '::') === 1) + { + list($ip1, $ip2) = explode('::', $ip); + if ($ip1 === '') + { + $c1 = -1; + } + else + { + $c1 = substr_count($ip1, ':'); + } + if ($ip2 === '') + { + $c2 = -1; + } + else + { + $c2 = substr_count($ip2, ':'); + } + if (strpos($ip2, '.') !== false) + { + $c2++; + } + // :: + if ($c1 === -1 && $c2 === -1) + { + $ip = '0:0:0:0:0:0:0:0'; + } + // ::xxx + else if ($c1 === -1) + { + $fill = str_repeat('0:', 7 - $c2); + $ip = str_replace('::', $fill, $ip); + } + // xxx:: + else if ($c2 === -1) + { + $fill = str_repeat(':0', 7 - $c1); + $ip = str_replace('::', $fill, $ip); + } + // xxx::xxx + else + { + $fill = ':' . str_repeat('0:', 6 - $c2 - $c1); + $ip = str_replace('::', $fill, $ip); + } + } + return $ip; + } + + /** + * Compresses an IPv6 address + * + * RFC 4291 allows you to compress concecutive zero pieces in an address to + * '::'. This method expects a valid IPv6 address and compresses consecutive + * zero pieces to '::'. + * + * Example: FF01:0:0:0:0:0:0:101 -> FF01::101 + * 0:0:0:0:0:0:0:1 -> ::1 + * + * @see uncompress() + * @param string $ip An IPv6 address + * @return string The compressed IPv6 address + */ + public static function compress($ip) + { + // Prepare the IP to be compressed + $ip = self::uncompress($ip); + $ip_parts = self::split_v6_v4($ip); + + // Break up the IP into each seperate part + $ipp = explode(':', $ip_parts[0]); + + // Initialise vars to count consecutive zero pieces + $consecutive_zeros = 0; + $max_consecutive_zeros = 0; + for ($i = 0; $i < count($ipp); $i++) + { + // Normalise the number (this changes things like 01 to 0) + $ipp[$i] = dechex(hexdec($ipp[$i])); + + // Count the zeros + if ($ipp[$i] === '0') + { + $consecutive_zeros++; + } + elseif ($consecutive_zeros > $max_consecutive_zeros) + { + $consecutive_zeros_pos = $i - $consecutive_zeros; + $max_consecutive_zeros = $consecutive_zeros; + $consecutive_zeros = 0; + } + } + if ($consecutive_zeros > $max_consecutive_zeros) + { + $consecutive_zeros_pos = $i - $consecutive_zeros; + $max_consecutive_zeros = $consecutive_zeros; + $consecutive_zeros = 0; + } + + // Rebuild the IP + if ($max_consecutive_zeros > 0) + { + $cip = ''; + for ($i = 0; $i < count($ipp); $i++) + { + // Add a : for the longest consecutive sequence, or :: if it's at the end + if ($i === $consecutive_zeros_pos) + { + if ($i === count($ipp) - $max_consecutive_zeros) + { + $cip .= '::'; + } + else + { + $cip .= ':'; + } + } + // Otherwise, just add the piece to the new output + elseif ($i < $consecutive_zeros_pos || $i >= $consecutive_zeros_pos + $max_consecutive_zeros) + { + if ($i !== 0) + { + $cip .= ':'; + } + $cip .= $ipp[$i]; + } + } + } + // Cheat if we don't have any zero pieces + else + { + $cip = implode(':', $ipp); + } + + // Re-add any IPv4 part of the address + if ($ip_parts[1] !== '') + { + $cip .= ":{$ip_parts[1]}"; + } + return $cip; + } + + /** + * Splits an IPv6 address into the IPv6 and IPv4 representation parts + * + * RFC 4291 allows you to represent the last two parts of an IPv6 address + * using the standard IPv4 representation + * + * Example: 0:0:0:0:0:0:13.1.68.3 + * 0:0:0:0:0:FFFF:129.144.52.38 + * + * @param string $ip An IPv6 address + * @return array [0] contains the IPv6 represented part, and [1] the IPv4 represented part + */ + private static function split_v6_v4($ip) + { + if (strpos($ip, '.') !== false) + { + $pos = strrpos($ip, ':'); + $ipv6_part = substr($ip, 0, $pos); + $ipv4_part = substr($ip, $pos + 1); + return array($ipv6_part, $ipv4_part); + } + else + { + return array($ip, ''); + } + } + + /** + * Checks an IPv6 address + * + * Checks if the given IP is a valid IPv6 address + * + * @param string $ip An IPv6 address + * @return bool true if $ip is a valid IPv6 address + */ + public static function check_ipv6($ip) + { + $ip = self::uncompress($ip); + list($ipv6, $ipv4) = self::split_v6_v4($ip); + $ipv6 = explode(':', $ipv6); + $ipv4 = explode('.', $ipv4); + if (count($ipv6) === 8 && count($ipv4) === 1 || count($ipv6) === 6 && count($ipv4) === 4) + { + foreach ($ipv6 as $ipv6_part) + { + $ipv6_part = ltrim($ipv6_part, '0'); + if ($ipv6_part === '') + $ipv6_part = '0'; + $value = hexdec($ipv6_part); + if (dechex($value) !== strtolower($ipv6_part) || $value < 0 || $value > 0xFFFF) + return false; + } + if (count($ipv4) === 4) + { + foreach ($ipv4 as $ipv4_part) + { + $value = (int) $ipv4_part; + if ((string) $value !== $ipv4_part || $value < 0 || $value > 0xFF) + return false; + } + } + return true; + } + else + { + return false; + } + } +} + +?> \ No newline at end of file diff --git a/libraries/readability/JSLikeHTMLElement.php b/libraries/readability/JSLikeHTMLElement.php new file mode 100644 index 0000000..0557205 --- /dev/null +++ b/libraries/readability/JSLikeHTMLElement.php @@ -0,0 +1,110 @@ +registerNodeClass('DOMElement', 'JSLikeHTMLElement'); +* $doc->loadHTML('

Para 1

Para 2

'); +* $elem = $doc->getElementsByTagName('div')->item(0); +* +* // print innerHTML +* echo $elem->innerHTML; // prints '

Para 1

Para 2

' +* echo "\n\n"; +* +* // set innerHTML +* $elem->innerHTML = 'FiveFilters.org'; +* echo $elem->innerHTML; // prints 'FiveFilters.org' +* echo "\n\n"; +* +* // print document (with our changes) +* echo $doc->saveXML(); +* @endcode +* +* @author Keyvan Minoukadeh - http://www.keyvan.net - keyvan@keyvan.net +* @see http://fivefilters.org (the project this was written for) +*/ +class JSLikeHTMLElement extends DOMElement +{ + /** + * Used for setting innerHTML like it's done in JavaScript: + * @code + * $div->innerHTML = '

Chapter 2

The story begins...

'; + * @endcode + */ + public function __set($name, $value) { + if ($name == 'innerHTML') { + // first, empty the element + for ($x=$this->childNodes->length-1; $x>=0; $x--) { + $this->removeChild($this->childNodes->item($x)); + } + // $value holds our new inner HTML + if ($value != '') { + $f = $this->ownerDocument->createDocumentFragment(); + // appendXML() expects well-formed markup (XHTML) + $result = @$f->appendXML($value); // @ to suppress PHP warnings + if ($result) { + if ($f->hasChildNodes()) $this->appendChild($f); + } else { + // $value is probably ill-formed + $f = new DOMDocument(); + $value = mb_convert_encoding($value, 'HTML-ENTITIES', 'UTF-8'); + // Using will generate a warning, but so will bad HTML + // (and by this point, bad HTML is what we've got). + // We use it (and suppress the warning) because an HTML fragment will + // be wrapped around tags which we don't really want to keep. + // Note: despite the warning, if loadHTML succeeds it will return true. + $result = @$f->loadHTML(''.$value.''); + if ($result) { + $import = $f->getElementsByTagName('htmlfragment')->item(0); + foreach ($import->childNodes as $child) { + $importedNode = $this->ownerDocument->importNode($child, true); + $this->appendChild($importedNode); + } + } else { + // oh well, we tried, we really did. :( + // this element is now empty + } + } + } + } else { + $trace = debug_backtrace(); + trigger_error('Undefined property via __set(): '.$name.' in '.$trace[0]['file'].' on line '.$trace[0]['line'], E_USER_NOTICE); + } + } + + /** + * Used for getting innerHTML like it's done in JavaScript: + * @code + * $string = $div->innerHTML; + * @endcode + */ + public function __get($name) + { + if ($name == 'innerHTML') { + $inner = ''; + foreach ($this->childNodes as $child) { + $inner .= $this->ownerDocument->saveXML($child); + } + return $inner; + } + + $trace = debug_backtrace(); + trigger_error('Undefined property via __get(): '.$name.' in '.$trace[0]['file'].' on line '.$trace[0]['line'], E_USER_NOTICE); + return null; + } + + public function __toString() + { + return '['.$this->tagName.']'; + } +} +?> \ No newline at end of file diff --git a/libraries/readability/Readability.php b/libraries/readability/Readability.php new file mode 100644 index 0000000..266ebca --- /dev/null +++ b/libraries/readability/Readability.php @@ -0,0 +1,1070 @@ +init(); +echo $r->articleContent->innerHTML; +*/ + +class Readability +{ + public $version = '1.7.1-without-multi-page'; + public $convertLinksToFootnotes = false; + public $revertForcedParagraphElements = true; + public $articleTitle; + public $articleContent; + public $dom; + public $url = null; // optional - URL where HTML was retrieved + public $debug = false; + protected $body = null; // + protected $bodyCache = null; // Cache the body HTML in case we need to re-use it later + protected $flags = 7; // 1 | 2 | 4; // Start with all flags set. + protected $success = false; // indicates whether we were able to extract or not + + /** + * All of the regular expressions in use within readability. + * Defined up here so we don't instantiate them repeatedly in loops. + **/ + public $regexps = array( + 'unlikelyCandidates' => '/combx|comment|community|disqus|extra|foot|header|menu|remark|rss|shoutbox|sidebar|sponsor|ad-break|agegate|pagination|pager|popup|tweet|twitter/i', + 'okMaybeItsACandidate' => '/and|article|body|column|main|shadow/i', + 'positive' => '/article|body|content|entry|hentry|main|page|pagination|post|text|blog|story/i', + 'negative' => '/combx|comment|com-|contact|foot|footer|footnote|masthead|media|meta|outbrain|promo|related|scroll|shoutbox|sidebar|sponsor|shopping|tags|tool|widget/i', + 'divToPElements' => '/<(a|blockquote|dl|div|img|ol|p|pre|table|ul)/i', + 'replaceBrs' => '/(]*>[ \n\r\t]*){2,}/i', + 'replaceFonts' => '/<(\/?)font[^>]*>/i', + // 'trimRe' => '/^\s+|\s+$/g', // PHP has trim() + 'normalize' => '/\s{2,}/', + 'killBreaks' => '/((\s| ?)*){1,}/', + 'video' => '/http:\/\/(www\.)?(youtube|vimeo)\.com/i', + 'skipFootnoteLink' => '/^\s*(\[?[a-z0-9]{1,2}\]?|^|edit|citation needed)\s*$/i' + ); + + /* constants */ + const FLAG_STRIP_UNLIKELYS = 1; + const FLAG_WEIGHT_CLASSES = 2; + const FLAG_CLEAN_CONDITIONALLY = 4; + + /** + * Create instance of Readability + * @param string UTF-8 encoded string + * @param string (optional) URL associated with HTML (used for footnotes) + */ + function __construct($html, $url=null) + { + /* Turn all double br's into p's */ + /* Note, this is pretty costly as far as processing goes. Maybe optimize later. */ + $html = preg_replace($this->regexps['replaceBrs'], '

', $html); + $html = preg_replace($this->regexps['replaceFonts'], '<$1span>', $html); + $html = mb_convert_encoding($html, 'HTML-ENTITIES', "UTF-8"); + $this->dom = new DOMDocument(); + $this->dom->registerNodeClass('DOMElement', 'JSLikeHTMLElement'); + @$this->dom->loadHTML($html); + $this->url = $url; + } + + /** + * Get article title element + * @return DOMElement + */ + public function getTitle() { + return $this->articleTitle; + } + + /** + * Get article content element + * @return DOMElement + */ + public function getContent() { + return $this->articleContent; + } + + /** + * Runs readability. + * + * Workflow: + * 1. Prep the document by removing script tags, css, etc. + * 2. Build readability's DOM tree. + * 3. Grab the article content from the current dom tree. + * 4. Replace the current DOM tree with the new one. + * 5. Read peacefully. + * + * @return boolean true if we found content, false otherwise + **/ + public function init() + { + $this->removeScripts($this->dom); + //die($this->getInnerHTML($this->dom->documentElement)); + + // Assume successful outcome + $this->success = true; + + $bodyElems = $this->dom->getElementsByTagName('body'); + if ($bodyElems->length > 0) { + if ($this->bodyCache == null) { + $this->bodyCache = $bodyElems->item(0)->innerHTML; + } + if ($this->body == null) { + $this->body = $bodyElems->item(0); + } + } + + $this->prepDocument(); + + //die($this->dom->documentElement->parentNode->nodeType); + //$this->setInnerHTML($this->dom->documentElement, $this->getInnerHTML($this->dom->documentElement)); + //die($this->getInnerHTML($this->dom->documentElement)); + + /* Build readability's DOM tree */ + $overlay = $this->dom->createElement('div'); + $innerDiv = $this->dom->createElement('div'); + $articleTitle = $this->getArticleTitle(); + $articleContent = $this->grabArticle(); + + if (!$articleContent) { + $this->success = false; + $articleContent = $this->dom->createElement('div'); + $articleContent->setAttribute('id', 'readability-content'); + $articleContent->innerHTML = '

Sorry, Readability was unable to parse this page for content.

'; + } + + $overlay->setAttribute('id', 'readOverlay'); + $innerDiv->setAttribute('id', 'readInner'); + + /* Glue the structure of our document together. */ + $innerDiv->appendChild($articleTitle); + $innerDiv->appendChild($articleContent); + $overlay->appendChild($innerDiv); + + /* Clear the old HTML, insert the new content. */ + $this->body->innerHTML = ''; + $this->body->appendChild($overlay); + //document.body.insertBefore(overlay, document.body.firstChild); + $this->body->removeAttribute('style'); + + $this->postProcessContent($articleContent); + + // Set title and content instance variables + $this->articleTitle = $articleTitle; + $this->articleContent = $articleContent; + + return $this->success; + } + + /** + * Debug + */ + protected function dbg($msg) { + if ($this->debug) echo '* ',$msg, '
', "\n"; + } + + /** + * Run any post-process modifications to article content as necessary. + * + * @param DOMElement + * @return void + */ + public function postProcessContent($articleContent) { + if ($this->convertLinksToFootnotes && !preg_match('/wikipedia\.org/', @$this->url)) { + $this->addFootnotes($articleContent); + } + } + + /** + * Get the article title as an H1. + * + * @return DOMElement + */ + protected function getArticleTitle() { + $curTitle = ''; + $origTitle = ''; + + try { + $curTitle = $origTitle = $this->getInnerText($this->dom->getElementsByTagName('title')->item(0)); + } catch(Exception $e) {} + + if (preg_match('/ [\|\-] /', $curTitle)) + { + $curTitle = preg_replace('/(.*)[\|\-] .*/i', '$1', $origTitle); + + if (count(explode(' ', $curTitle)) < 3) { + $curTitle = preg_replace('/[^\|\-]*[\|\-](.*)/i', '$1', $origTitle); + } + } + else if (strpos($curTitle, ': ') !== false) + { + $curTitle = preg_replace('/.*:(.*)/i', '$1', $origTitle); + + if (count(explode(' ', $curTitle)) < 3) { + $curTitle = preg_replace('/[^:]*[:](.*)/i','$1', $origTitle); + } + } + else if(strlen($curTitle) > 150 || strlen($curTitle) < 15) + { + $hOnes = $this->dom->getElementsByTagName('h1'); + if($hOnes->length == 1) + { + $curTitle = $this->getInnerText($hOnes->item(0)); + } + } + + $curTitle = trim($curTitle); + + if (count(explode(' ', $curTitle)) <= 4) { + $curTitle = $origTitle; + } + + $articleTitle = $this->dom->createElement('h1'); + $articleTitle->innerHTML = $curTitle; + + return $articleTitle; + } + + /** + * Prepare the HTML document for readability to scrape it. + * This includes things like stripping javascript, CSS, and handling terrible markup. + * + * @return void + **/ + protected function prepDocument() { + /** + * In some cases a body element can't be found (if the HTML is totally hosed for example) + * so we create a new body node and append it to the document. + */ + if ($this->body == null) + { + $this->body = $this->dom->createElement('body'); + $this->dom->documentElement->appendChild($this->body); + } + + $this->body->setAttribute('id', 'readabilityBody'); + + /* Remove all style tags in head */ + $styleTags = $this->dom->getElementsByTagName('style'); + for ($i = $styleTags->length-1; $i >= 0; $i--) + { + $styleTags->item($i)->parentNode->removeChild($styleTags->item($i)); + } + + /* Turn all double br's into p's */ + /* Note, this is pretty costly as far as processing goes. Maybe optimize later. */ + //document.body.innerHTML = document.body.innerHTML.replace(readability.regexps.replaceBrs, '

').replace(readability.regexps.replaceFonts, '<$1span>'); + // We do this in the constructor for PHP as that's when we have raw HTML - before parsing it into a DOM tree. + // Manipulating innerHTML as it's done in JS is not possible in PHP. + } + + /** + * For easier reading, convert this document to have footnotes at the bottom rather than inline links. + * @see http://www.roughtype.com/archives/2010/05/experiments_in.php + * + * @return void + **/ + public function addFootnotes($articleContent) { + $footnotesWrapper = $this->dom->createElement('div'); + $footnotesWrapper->setAttribute('id', 'readability-footnotes'); + $footnotesWrapper->innerHTML = '

References

'; + + $articleFootnotes = $this->dom->createElement('ol'); + $articleFootnotes->setAttribute('id', 'readability-footnotes-list'); + $footnotesWrapper->appendChild($articleFootnotes); + + $articleLinks = $articleContent->getElementsByTagName('a'); + + $linkCount = 0; + for ($i = 0; $i < $articleLinks->length; $i++) + { + $articleLink = $articleLinks->item($i); + $footnoteLink = $articleLink->cloneNode(true); + $refLink = $this->dom->createElement('a'); + $footnote = $this->dom->createElement('li'); + $linkDomain = @parse_url($footnoteLink->getAttribute('href'), PHP_URL_HOST); + if (!$linkDomain && isset($this->url)) $linkDomain = @parse_url($this->url, PHP_URL_HOST); + //linkDomain = footnoteLink.host ? footnoteLink.host : document.location.host, + $linkText = $this->getInnerText($articleLink); + + if ((strpos($articleLink->getAttribute('class'), 'readability-DoNotFootnote') !== false) || preg_match($this->regexps['skipFootnoteLink'], $linkText)) { + continue; + } + + $linkCount++; + + /** Add a superscript reference after the article link */ + $refLink->setAttribute('href', '#readabilityFootnoteLink-' . $linkCount); + $refLink->innerHTML = '[' . $linkCount . ']'; + $refLink->setAttribute('class', 'readability-DoNotFootnote'); + $refLink->setAttribute('style', 'color: inherit;'); + + //TODO: does this work or should we use DOMNode.isSameNode()? + if ($articleLink->parentNode->lastChild == $articleLink) { + $articleLink->parentNode->appendChild($refLink); + } else { + $articleLink->parentNode->insertBefore($refLink, $articleLink->nextSibling); + } + + $articleLink->setAttribute('style', 'color: inherit; text-decoration: none;'); + $articleLink->setAttribute('name', 'readabilityLink-' . $linkCount); + + $footnote->innerHTML = '^ '; + + $footnoteLink->innerHTML = ($footnoteLink->getAttribute('title') != '' ? $footnoteLink->getAttribute('title') : $linkText); + $footnoteLink->setAttribute('name', 'readabilityFootnoteLink-' . $linkCount); + + $footnote->appendChild($footnoteLink); + if ($linkDomain) $footnote->innerHTML = $footnote->innerHTML . ' (' . $linkDomain . ')'; + + $articleFootnotes->appendChild($footnote); + } + + if ($linkCount > 0) { + $articleContent->appendChild($footnotesWrapper); + } + } + + /** + * Reverts P elements with class 'readability-styled' + * to text nodes - which is what they were before. + * + * @param DOMElement + * @return void + */ + function revertReadabilityStyledElements($articleContent) { + $xpath = new DOMXPath($articleContent->ownerDocument); + $elems = $xpath->query('.//p[@class="readability-styled"]', $articleContent); + //$elems = $articleContent->getElementsByTagName('p'); + for ($i = $elems->length-1; $i >= 0; $i--) { + $e = $elems->item($i); + $e->parentNode->replaceChild($articleContent->ownerDocument->createTextNode($e->textContent), $e); + //if ($e->hasAttribute('class') && $e->getAttribute('class') == 'readability-styled') { + // $e->parentNode->replaceChild($this->dom->createTextNode($e->textContent), $e); + //} + } + } + + /** + * Prepare the article node for display. Clean out any inline styles, + * iframes, forms, strip extraneous

tags, etc. + * + * @param DOMElement + * @return void + */ + function prepArticle($articleContent) { + $this->cleanStyles($articleContent); + $this->killBreaks($articleContent); + if ($this->revertForcedParagraphElements) { + $this->revertReadabilityStyledElements($articleContent); + } + + /* Clean out junk from the article content */ + $this->cleanConditionally($articleContent, 'form'); + $this->clean($articleContent, 'object'); + $this->clean($articleContent, 'h1'); + + /** + * If there is only one h2, they are probably using it + * as a header and not a subheader, so remove it since we already have a header. + ***/ + if ($articleContent->getElementsByTagName('h2')->length == 1) { + $this->clean($articleContent, 'h2'); + } + $this->clean($articleContent, 'iframe'); + + $this->cleanHeaders($articleContent); + + /* Do these last as the previous stuff may have removed junk that will affect these */ + $this->cleanConditionally($articleContent, 'table'); + $this->cleanConditionally($articleContent, 'ul'); + $this->cleanConditionally($articleContent, 'div'); + + /* Remove extra paragraphs */ + $articleParagraphs = $articleContent->getElementsByTagName('p'); + for ($i = $articleParagraphs->length-1; $i >= 0; $i--) + { + $imgCount = $articleParagraphs->item($i)->getElementsByTagName('img')->length; + $embedCount = $articleParagraphs->item($i)->getElementsByTagName('embed')->length; + $objectCount = $articleParagraphs->item($i)->getElementsByTagName('object')->length; + + if ($imgCount === 0 && $embedCount === 0 && $objectCount === 0 && $this->getInnerText($articleParagraphs->item($i), false) == '') + { + $articleParagraphs->item($i)->parentNode->removeChild($articleParagraphs->item($i)); + } + } + + try { + $articleContent->innerHTML = preg_replace('/]*>\s*

innerHTML); + //articleContent.innerHTML = articleContent.innerHTML.replace(/]*>\s*

dbg("Cleaning innerHTML of breaks failed. This is an IE strict-block-elements bug. Ignoring.: " . $e); + } + } + + /** + * Initialize a node with the readability object. Also checks the + * className/id for special names to add to its score. + * + * @param Element + * @return void + **/ + protected function initializeNode($node) { + $readability = $this->dom->createAttribute('readability'); + $readability->value = 0; // this is our contentScore + $node->setAttributeNode($readability); + + switch (strtoupper($node->tagName)) { // unsure if strtoupper is needed, but using it just in case + case 'DIV': + $readability->value += 5; + break; + + case 'PRE': + case 'TD': + case 'BLOCKQUOTE': + $readability->value += 3; + break; + + case 'ADDRESS': + case 'OL': + case 'UL': + case 'DL': + case 'DD': + case 'DT': + case 'LI': + case 'FORM': + $readability->value -= 3; + break; + + case 'H1': + case 'H2': + case 'H3': + case 'H4': + case 'H5': + case 'H6': + case 'TH': + $readability->value -= 5; + break; + } + $readability->value += $this->getClassWeight($node); + } + + /*** + * grabArticle - Using a variety of metrics (content score, classname, element types), find the content that is + * most likely to be the stuff a user wants to read. Then return it wrapped up in a div. + * + * @return DOMElement + **/ + protected function grabArticle($page=null) { + $stripUnlikelyCandidates = $this->flagIsActive(self::FLAG_STRIP_UNLIKELYS); + if (!$page) $page = $this->dom; + $allElements = $page->getElementsByTagName('*'); + /** + * First, node prepping. Trash nodes that look cruddy (like ones with the class name "comment", etc), and turn divs + * into P tags where they have been used inappropriately (as in, where they contain no other block level elements.) + * + * Note: Assignment from index for performance. See http://www.peachpit.com/articles/article.aspx?p=31567&seqNum=5 + * TODO: Shouldn't this be a reverse traversal? + **/ + $node = null; + $nodesToScore = array(); + for ($nodeIndex = 0; ($node = $allElements->item($nodeIndex)); $nodeIndex++) { + //for ($nodeIndex=$targetList->length-1; $nodeIndex >= 0; $nodeIndex--) { + //$node = $targetList->item($nodeIndex); + $tagName = strtoupper($node->tagName); + /* Remove unlikely candidates */ + if ($stripUnlikelyCandidates) { + $unlikelyMatchString = $node->getAttribute('class') . $node->getAttribute('id'); + if ( + preg_match($this->regexps['unlikelyCandidates'], $unlikelyMatchString) && + !preg_match($this->regexps['okMaybeItsACandidate'], $unlikelyMatchString) && + $tagName != 'BODY' + ) + { + $this->dbg('Removing unlikely candidate - ' . $unlikelyMatchString); + //$nodesToRemove[] = $node; + $node->parentNode->removeChild($node); + $nodeIndex--; + continue; + } + } + + if ($tagName == 'P' || $tagName == 'TD' || $tagName == 'PRE') { + $nodesToScore[] = $node; + } + + /* Turn all divs that don't have children block level elements into p's */ + if ($tagName == 'DIV') { + if (!preg_match($this->regexps['divToPElements'], $node->innerHTML)) { + //$this->dbg('Altering div to p'); + $newNode = $this->dom->createElement('p'); + try { + $newNode->innerHTML = $node->innerHTML; + //$nodesToReplace[] = array('new'=>$newNode, 'old'=>$node); + $node->parentNode->replaceChild($newNode, $node); + $nodeIndex--; + $nodesToScore[] = $node; // or $newNode? + } + catch(Exception $e) { + $this->dbg('Could not alter div to p, reverting back to div.: ' . $e); + } + } + else + { + /* EXPERIMENTAL */ + // TODO: change these p elements back to text nodes after processing + for ($i = 0, $il = $node->childNodes->length; $i < $il; $i++) { + $childNode = $node->childNodes->item($i); + if ($childNode->nodeType == 3) { // XML_TEXT_NODE + //$this->dbg('replacing text node with a p tag with the same content.'); + $p = $this->dom->createElement('p'); + $p->innerHTML = $childNode->nodeValue; + $p->setAttribute('style', 'display: inline;'); + $p->setAttribute('class', 'readability-styled'); + $childNode->parentNode->replaceChild($p, $childNode); + } + } + } + } + } + + /** + * Loop through all paragraphs, and assign a score to them based on how content-y they look. + * Then add their score to their parent node. + * + * A score is determined by things like number of commas, class names, etc. Maybe eventually link density. + **/ + $candidates = array(); + for ($pt=0; $pt < count($nodesToScore); $pt++) { + $parentNode = $nodesToScore[$pt]->parentNode; + // $grandParentNode = $parentNode ? $parentNode->parentNode : null; + $grandParentNode = !$parentNode ? null : (($parentNode->parentNode instanceof DOMElement) ? $parentNode->parentNode : null); + $innerText = $this->getInnerText($nodesToScore[$pt]); + + if (!$parentNode || !isset($parentNode->tagName)) { + continue; + } + + /* If this paragraph is less than 25 characters, don't even count it. */ + if(strlen($innerText) < 25) { + continue; + } + + /* Initialize readability data for the parent. */ + if (!$parentNode->hasAttribute('readability')) + { + $this->initializeNode($parentNode); + $candidates[] = $parentNode; + } + + /* Initialize readability data for the grandparent. */ + if ($grandParentNode && !$grandParentNode->hasAttribute('readability') && isset($grandParentNode->tagName)) + { + $this->initializeNode($grandParentNode); + $candidates[] = $grandParentNode; + } + + $contentScore = 0; + + /* Add a point for the paragraph itself as a base. */ + $contentScore++; + + /* Add points for any commas within this paragraph */ + $contentScore += count(explode(',', $innerText)); + + /* For every 100 characters in this paragraph, add another point. Up to 3 points. */ + $contentScore += min(floor(strlen($innerText) / 100), 3); + + /* Add the score to the parent. The grandparent gets half. */ + $parentNode->getAttributeNode('readability')->value += $contentScore; + + if ($grandParentNode) { + $grandParentNode->getAttributeNode('readability')->value += $contentScore/2; + } + } + + /** + * After we've calculated scores, loop through all of the possible candidate nodes we found + * and find the one with the highest score. + **/ + $topCandidate = null; + for ($c=0, $cl=count($candidates); $c < $cl; $c++) + { + /** + * Scale the final candidates score based on link density. Good content should have a + * relatively small link density (5% or less) and be mostly unaffected by this operation. + **/ + $readability = $candidates[$c]->getAttributeNode('readability'); + $readability->value = $readability->value * (1-$this->getLinkDensity($candidates[$c])); + + $this->dbg('Candidate: ' . $candidates[$c]->tagName . ' (' . $candidates[$c]->getAttribute('class') . ':' . $candidates[$c]->getAttribute('id') . ') with score ' . $readability->value); + + if (!$topCandidate || $readability->value > (int)$topCandidate->getAttribute('readability')) { + $topCandidate = $candidates[$c]; + } + } + + /** + * If we still have no top candidate, just use the body as a last resort. + * We also have to copy the body node so it is something we can modify. + **/ + if ($topCandidate === null || strtoupper($topCandidate->tagName) == 'BODY') + { + $topCandidate = $this->dom->createElement('div'); + $topCandidate->innerHTML = ($page instanceof DOMDocument) ? $page->saveXML($page->documentElement) : $page->innerHTML; + $page->innerHTML = ''; + $page->appendChild($topCandidate); + $this->initializeNode($topCandidate); + } + + /** + * Now that we have the top candidate, look through its siblings for content that might also be related. + * Things like preambles, content split by ads that we removed, etc. + **/ + $articleContent = $this->dom->createElement('div'); + $articleContent->setAttribute('id', 'readability-content'); + $siblingScoreThreshold = max(10, ((int)$topCandidate->getAttribute('readability')) * 0.2); + $siblingNodes = $topCandidate->parentNode->childNodes; + + for ($s=0, $sl=$siblingNodes->length; $s < $sl; $s++) + { + $siblingNode = $siblingNodes->item($s); + $append = false; + + $this->dbg('Looking at sibling node: ' . $siblingNode->nodeName . (($siblingNode->nodeType === XML_ELEMENT_NODE && $siblingNode->hasAttribute('readability')) ? (' with score ' . $siblingNode->getAttribute('readability')) : '')); + + //dbg('Sibling has score ' . ($siblingNode->readability ? siblingNode.readability.contentScore : 'Unknown')); + + if ($siblingNode === $topCandidate) + // or if ($siblingNode->isSameNode($topCandidate)) + { + $append = true; + } + + $contentBonus = 0; + /* Give a bonus if sibling nodes and top candidates have the example same classname */ + if ($siblingNode->nodeType === XML_ELEMENT_NODE && $siblingNode->getAttribute('class') == $topCandidate->getAttribute('class') && $topCandidate->getAttribute('class') != '') { + $contentBonus += ((int)$topCandidate->getAttribute('readability')) * 0.2; + } + + if ($siblingNode->nodeType === XML_ELEMENT_NODE && $siblingNode->hasAttribute('readability') && (((int)$siblingNode->getAttribute('readability')) + $contentBonus) >= $siblingScoreThreshold) + { + $append = true; + } + + if (strtoupper($siblingNode->nodeName) == 'P') { + $linkDensity = $this->getLinkDensity($siblingNode); + $nodeContent = $this->getInnerText($siblingNode); + $nodeLength = strlen($nodeContent); + + if ($nodeLength > 80 && $linkDensity < 0.25) + { + $append = true; + } + else if ($nodeLength < 80 && $linkDensity === 0 && preg_match('/\.( |$)/', $nodeContent)) + { + $append = true; + } + } + + if ($append) + { + $this->dbg('Appending node: ' . $siblingNode->nodeName); + + $nodeToAppend = null; + $sibNodeName = strtoupper($siblingNode->nodeName); + if ($sibNodeName != 'DIV' && $sibNodeName != 'P') { + /* We have a node that isn't a common block level element, like a form or td tag. Turn it into a div so it doesn't get filtered out later by accident. */ + + $this->dbg('Altering siblingNode of ' . $sibNodeName . ' to div.'); + $nodeToAppend = $this->dom->createElement('div'); + try { + $nodeToAppend->setAttribute('id', $siblingNode->getAttribute('id')); + $nodeToAppend->innerHTML = $siblingNode->innerHTML; + } + catch(Exception $e) + { + $this->dbg('Could not alter siblingNode to div, reverting back to original.'); + $nodeToAppend = $siblingNode; + $s--; + $sl--; + } + } else { + $nodeToAppend = $siblingNode; + $s--; + $sl--; + } + + /* To ensure a node does not interfere with readability styles, remove its classnames */ + $nodeToAppend->removeAttribute('class'); + + /* Append sibling and subtract from our list because it removes the node when you append to another node */ + $articleContent->appendChild($nodeToAppend); + } + } + + /** + * So we have all of the content that we need. Now we clean it up for presentation. + **/ + $this->prepArticle($articleContent); + + /** + * Now that we've gone through the full algorithm, check to see if we got any meaningful content. + * If we didn't, we may need to re-run grabArticle with different flags set. This gives us a higher + * likelihood of finding the content, and the sieve approach gives us a higher likelihood of + * finding the -right- content. + **/ + if (strlen($this->getInnerText($articleContent, false)) < 250) + { + $this->body->innerHTML = $this->bodyCache; + + if ($this->flagIsActive(self::FLAG_STRIP_UNLIKELYS)) { + $this->removeFlag(self::FLAG_STRIP_UNLIKELYS); + return $this->grabArticle($this->body); + } + else if ($this->flagIsActive(self::FLAG_WEIGHT_CLASSES)) { + $this->removeFlag(self::FLAG_WEIGHT_CLASSES); + return $this->grabArticle($this->body); + } + else if ($this->flagIsActive(self::FLAG_CLEAN_CONDITIONALLY)) { + $this->removeFlag(self::FLAG_CLEAN_CONDITIONALLY); + return $this->grabArticle($this->body); + } + else { + return false; + } + } + return $articleContent; + } + + /** + * Remove script tags from document + * + * @param DOMElement + * @return void + */ + public function removeScripts($doc) { + $scripts = $doc->getElementsByTagName('script'); + for($i = $scripts->length-1; $i >= 0; $i--) + { + $scripts->item($i)->parentNode->removeChild($scripts->item($i)); + } + } + + /** + * Get the inner text of a node. + * This also strips out any excess whitespace to be found. + * + * @param DOMElement $ + * @param boolean $normalizeSpaces (default: true) + * @return string + **/ + public function getInnerText($e, $normalizeSpaces=true) { + $textContent = ''; + + if (!isset($e->textContent) || $e->textContent == '') { + return ''; + } + + $textContent = trim($e->textContent); + + if ($normalizeSpaces) { + return preg_replace($this->regexps['normalize'], ' ', $textContent); + } else { + return $textContent; + } + } + + /** + * Get the number of times a string $s appears in the node $e. + * + * @param DOMElement $e + * @param string - what to count. Default is "," + * @return number (integer) + **/ + public function getCharCount($e, $s=',') { + return substr_count($this->getInnerText($e), $s); + } + + /** + * Remove the style attribute on every $e and under. + * + * @param DOMElement $e + * @return void + */ + public function cleanStyles($e) { + $elems = $e->getElementsByTagName('*'); + foreach ($elems as $elem) { + $elem->removeAttribute('style'); + } + } + + /** + * Get the density of links as a percentage of the content + * This is the amount of text that is inside a link divided by the total text in the node. + * + * @param DOMElement $e + * @return number (float) + */ + public function getLinkDensity($e) { + $links = $e->getElementsByTagName('a'); + $textLength = strlen($this->getInnerText($e)); + $linkLength = 0; + for ($i=0, $il=$links->length; $i < $il; $i++) + { + $linkLength += strlen($this->getInnerText($links->item($i))); + } + if ($textLength > 0) { + return $linkLength / $textLength; + } else { + return 0; + } + } + + /** + * Get an elements class/id weight. Uses regular expressions to tell if this + * element looks good or bad. + * + * @param DOMElement $e + * @return number (Integer) + */ + public function getClassWeight($e) { + if(!$this->flagIsActive(self::FLAG_WEIGHT_CLASSES)) { + return 0; + } + + $weight = 0; + + /* Look for a special classname */ + if ($e->hasAttribute('class') && $e->getAttribute('class') != '') + { + if (preg_match($this->regexps['negative'], $e->getAttribute('class'))) { + $weight -= 25; + } + if (preg_match($this->regexps['positive'], $e->getAttribute('class'))) { + $weight += 25; + } + } + + /* Look for a special ID */ + if ($e->hasAttribute('id') && $e->getAttribute('id') != '') + { + if (preg_match($this->regexps['negative'], $e->getAttribute('id'))) { + $weight -= 25; + } + if (preg_match($this->regexps['positive'], $e->getAttribute('id'))) { + $weight += 25; + } + } + return $weight; + } + + /** + * Remove extraneous break tags from a node. + * + * @param DOMElement $node + * @return void + */ + public function killBreaks($node) { + // we can't alter HTML directly through innerHTML as you can in JS + // so we go through the process of turning a DOM element to a string, + // doing the search and replace on the string, then turning it + // back into an element and replacing the old element with the new. + $html = $node->innerHTML; + $html = preg_replace($this->regexps['killBreaks'], '
', $html); + $node->innerHTML = $html; + } + + /** + * Clean a node of all elements of type "tag". + * (Unless it's a youtube/vimeo video. People love movies.) + * + * @param DOMElement $e + * @param string $tag + * @return void + */ + public function clean($e, $tag) { + $targetList = $e->getElementsByTagName($tag); + $isEmbed = ($tag == 'object' || $tag == 'embed'); + + for ($y=$targetList->length-1; $y >= 0; $y--) { + /* Allow youtube and vimeo videos through as people usually want to see those. */ + if ($isEmbed) { + $attributeValues = ''; + for ($i=0, $il=$targetList->item($y)->attributes->length; $i < $il; $i++) { + $attributeValues .= $targetList->item($y)->attributes->item($i)->value . '|'; // DOMAttr? (TODO: test) + } + + /* First, check the elements attributes to see if any of them contain youtube or vimeo */ + if (preg_match($this->regexps['video'], $attributeValues)) { + continue; + } + + /* Then check the elements inside this element for the same. */ + if (preg_match($this->regexps['video'], $targetList->item($y)->innerHTML)) { + continue; + } + } + $targetList->item($y)->parentNode->removeChild($targetList->item($y)); + } + } + + /** + * Clean an element of all tags of type "tag" if they look fishy. + * "Fishy" is an algorithm based on content length, classnames, + * link density, number of images & embeds, etc. + * + * @param DOMElement $e + * @param string $tag + * @return void + */ + public function cleanConditionally($e, $tag) { + if (!$this->flagIsActive(self::FLAG_CLEAN_CONDITIONALLY)) { + return; + } + + $tagsList = $e->getElementsByTagName($tag); + $curTagsLength = $tagsList->length; + + /** + * Gather counts for other typical elements embedded within. + * Traverse backwards so we can remove nodes at the same time without effecting the traversal. + * + * TODO: Consider taking into account original contentScore here. + */ + for ($i=$curTagsLength-1; $i >= 0; $i--) { + $weight = $this->getClassWeight($tagsList->item($i)); + $contentScore = ($tagsList->item($i)->hasAttribute('readability')) ? (int)$tagsList->item($i)->getAttribute('readability') : 0; + + $this->dbg('Cleaning Conditionally ' . $tagsList->item($i)->tagName . ' (' . $tagsList->item($i)->getAttribute('class') . ':' . $tagsList->item($i)->getAttribute('id') . ')' . (($tagsList->item($i)->hasAttribute('readability')) ? (' with score ' . $tagsList->item($i)->getAttribute('readability')) : '')); + + if ($weight + $contentScore < 0) { + $tagsList->item($i)->parentNode->removeChild($tagsList->item($i)); + } + else if ( $this->getCharCount($tagsList->item($i), ',') < 10) { + /** + * If there are not very many commas, and the number of + * non-paragraph elements is more than paragraphs or other ominous signs, remove the element. + **/ + $p = $tagsList->item($i)->getElementsByTagName('p')->length; + $img = $tagsList->item($i)->getElementsByTagName('img')->length; + $li = $tagsList->item($i)->getElementsByTagName('li')->length-100; + $input = $tagsList->item($i)->getElementsByTagName('input')->length; + + $embedCount = 0; + $embeds = $tagsList->item($i)->getElementsByTagName('embed'); + for ($ei=0, $il=$embeds->length; $ei < $il; $ei++) { + if (preg_match($this->regexps['video'], $embeds->item($ei)->getAttribute('src'))) { + $embedCount++; + } + } + + $linkDensity = $this->getLinkDensity($tagsList->item($i)); + $contentLength = strlen($this->getInnerText($tagsList->item($i))); + $toRemove = false; + + if ( $img > $p ) { + $toRemove = true; + } else if ($li > $p && $tag != 'ul' && $tag != 'ol') { + $toRemove = true; + } else if ( $input > floor($p/3) ) { + $toRemove = true; + } else if ($contentLength < 25 && ($img === 0 || $img > 2) ) { + $toRemove = true; + } else if($weight < 25 && $linkDensity > 0.2) { + $toRemove = true; + } else if($weight >= 25 && $linkDensity > 0.5) { + $toRemove = true; + } else if(($embedCount == 1 && $contentLength < 75) || $embedCount > 1) { + $toRemove = true; + } + + if ($toRemove) { + $tagsList->item($i)->parentNode->removeChild($tagsList->item($i)); + } + } + } + } + + /** + * Clean out spurious headers from an Element. Checks things like classnames and link density. + * + * @param DOMElement $e + * @return void + */ + public function cleanHeaders($e) { + for ($headerIndex = 1; $headerIndex < 3; $headerIndex++) { + $headers = $e->getElementsByTagName('h' . $headerIndex); + for ($i=$headers->length-1; $i >=0; $i--) { + if ($this->getClassWeight($headers->item($i)) < 0 || $this->getLinkDensity($headers->item($i)) > 0.33) { + $headers->item($i)->parentNode->removeChild($headers->item($i)); + } + } + } + } + + public function flagIsActive($flag) { + return ($this->flags & $flag) > 0; + } + + public function addFlag($flag) { + $this->flags = $this->flags | $flag; + } + + public function removeFlag($flag) { + $this->flags = $this->flags & ~$flag; + } +} +?> \ No newline at end of file diff --git a/libraries/readability/examples/JSLikeHTMLElement.php b/libraries/readability/examples/JSLikeHTMLElement.php new file mode 100644 index 0000000..c5cfde2 --- /dev/null +++ b/libraries/readability/examples/JSLikeHTMLElement.php @@ -0,0 +1,20 @@ +registerNodeClass('DOMElement', 'JSLikeHTMLElement'); +$doc->loadHTML('

Para 1

Para 2

'); +$elem = $doc->getElementsByTagName('div')->item(0); + +// print innerHTML +echo $elem->innerHTML; // prints '

Para 1

Para 2

' +echo "\n\n"; + +// set innerHTML +$elem->innerHTML = 'FiveFilters.org'; +echo $elem->innerHTML; // prints 'FiveFilters.org' +echo "\n\n"; + +// print document (with our changes) +echo $doc->saveXML(); +?> \ No newline at end of file diff --git a/libraries/readability/examples/Readability.php b/libraries/readability/examples/Readability.php new file mode 100644 index 0000000..8ac49a6 --- /dev/null +++ b/libraries/readability/examples/Readability.php @@ -0,0 +1,41 @@ +debug = false; +// convert links to footnotes? +$readability->convertLinksToFootnotes = true; +// process it +$result = $readability->init(); +// does it look like we found what we wanted? +if ($result) { + echo "== Title =====================================\n"; + echo $readability->getTitle()->textContent, "\n\n"; + echo "== Body ======================================\n"; + $content = $readability->getContent()->innerHTML; + // if we've got Tidy, let's clean it up for output + if (function_exists('tidy_parse_string')) { + $tidy = tidy_parse_string($content, array('indent'=>true, 'show-body-only' => true), 'UTF8'); + $tidy->cleanRepair(); + $content = $tidy->value; + } + echo $content; +} else { + echo 'Looks like we couldn\'t find the content. :('; +} +?> \ No newline at end of file diff --git a/libraries/simplepie/LICENSE.txt b/libraries/simplepie/LICENSE.txt new file mode 100644 index 0000000..a822a4b --- /dev/null +++ b/libraries/simplepie/LICENSE.txt @@ -0,0 +1,26 @@ +Copyright (c) 2004-2007, Ryan Parman and Geoffrey Sneddon. +All rights reserved. + +Redistribution and use in source and binary forms, with or without modification, are +permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, this list of + conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright notice, this list + of conditions and the following disclaimer in the documentation and/or other materials + provided with the distribution. + + * Neither the name of the SimplePie Team nor the names of its contributors may be used + to endorse or promote products derived from this software without specific prior + written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS +OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY +AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS +AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +POSSIBILITY OF SUCH DAMAGE. \ No newline at end of file diff --git a/libraries/simplepie/README.txt b/libraries/simplepie/README.txt new file mode 100644 index 0000000..fd1713e --- /dev/null +++ b/libraries/simplepie/README.txt @@ -0,0 +1,30 @@ +SIMPLEPIE +http://simplepie.org +By Ryan Parman and Geoffrey Sneddon + +BSD-LICENSED +http://www.opensource.org/licenses/bsd-license.php + +WHAT COMES IN THE PACKAGE? +1) simplepie.inc - The SimplePie library. This is all that's required for your pages. +2) README.txt - This document. +3) LICENSE.txt - A copy of the BSD license. +4) compatibility_test - The SimplePie compatibility test that checks your server for required settings. +5) demo - A basic feed reader demo that shows off some of SimplePie's more noticable features. +6) idn - A third-party library that SimplePie can optionally use to understand Internationalized Domain Names (IDNs). +7) test - SimplePie's unit test suite. This is only available in SVN builds. + +TO START THE DEMO: +1) Upload this package to your webserver. +2) Make sure that the cache folder inside of the demo folder is server-writable. +3) Navigate your browser to the demo folder. + +SUPPORT: +For further setup and install documentation, function references, etc., visit: +http://simplepie.org/wiki/ + +For bug reports, feature requests and other support, visit: +http://simplepie.org/support/ + +For more insight on SimplePie development, visit: +http://simplepie.org/development/ \ No newline at end of file diff --git a/libraries/simplepie/compatibility_test/COMPATIBILITY README.txt b/libraries/simplepie/compatibility_test/COMPATIBILITY README.txt new file mode 100644 index 0000000..5b24989 --- /dev/null +++ b/libraries/simplepie/compatibility_test/COMPATIBILITY README.txt @@ -0,0 +1,7 @@ +SIMPLEPIE COMPATIBILITY TEST + +1) Upload sp_compatibility_test.php to the web-accessible root of your website. +For example, if your website is www.example.com, upload it so that you can get +to it at www.example.com/sp_compatibility_test.php + +2) Open your web browser and go to the page you just uploaded. \ No newline at end of file diff --git a/libraries/simplepie/compatibility_test/sp_compatibility_test.php b/libraries/simplepie/compatibility_test/sp_compatibility_test.php new file mode 100644 index 0000000..247007f --- /dev/null +++ b/libraries/simplepie/compatibility_test/sp_compatibility_test.php @@ -0,0 +1,316 @@ +=')); +$xml_ok = extension_loaded('xml'); +$pcre_ok = extension_loaded('pcre'); +$curl_ok = function_exists('curl_exec'); +$zlib_ok = extension_loaded('zlib'); +$mbstring_ok = extension_loaded('mbstring'); +$iconv_ok = extension_loaded('iconv'); + +header('Content-type: text/html; charset=UTF-8'); + +?> + + + +SimplePie: Server Compatibility Test 1.1 + + + + + + + + + +
+
+ +
+

SimplePie Compatibility Test

+ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
TestShould BeWhat You Have
PHP¹4.3.0 or higher
XMLEnabled
PCRE²Enabled
cURLEnabled
ZlibEnabled
mbstringEnabled
iconvEnabled
+
+ +
+

What does this mean?

+
    + +
  1. You have everything you need to run SimplePie properly! Congratulations!
    2. + + +
  2. PHP: You are running a supported version of PHP. No problems here.
    3. + +
  3. XML: You have XML support installed. No problems here.
    4. + +
  4. PCRE: You have PCRE support installed. No problems here.
    5. + +
  5. cURL: You have cURL support installed. No problems here.
    6. + +
  6. cURL: The cURL extension is not available. SimplePie will use fsockopen() instead.
    7. + + + +
  7. Zlib: You have Zlib enabled. This allows SimplePie to support GZIP-encoded feeds. No problems here.
    8. + +
  8. Zlib: The Zlib extension is not available. SimplePie will ignore any GZIP-encoding, and instead handle feeds as uncompressed text.
    9. + + + +
  9. mbstring and iconv: You have both mbstring and iconv installed! This will allow SimplePie to handle the greatest number of languages. Check the Supported Character Encodings chart to see what's supported on your webhost.
    10. + +
  10. mbstring: mbstring is installed, but iconv is not. Check the Supported Character Encodings chart to see what's supported on your webhost.
    11. + +
  11. iconv: iconv is installed, but mbstring is not. Check the Supported Character Encodings chart to see what's supported on your webhost.
    12. + +
  12. mbstring and iconv: You do not have either of the extensions installed. This will significantly impair your ability to read non-English feeds, as well as even some English ones. Check the Supported Character Encodings chart to see what's supported on your webhost.
    13. + + +
  13. PCRE: Your PHP installation doesn't support Perl-Compatible Regular Expressions. SimplePie is a no-go at the moment.
    14. + + +
  14. XML: Your PHP installation doesn't support XML parsing. SimplePie is a no-go at the moment.
    15. + + +
  15. PHP: You are running an unsupported version of PHP. SimplePie is a no-go at the moment.
    16. + + +
+
+ +
+ +

Bottom Line: Yes, you can!

+

Your webhost has its act together!

+

You can download the latest version of SimplePie from SimplePie.org and install it by following the instructions. You can find example uses with SimplePie Ideas.

+

Take the time to read Requirements and Getting Started to make sure you're prepared to use SimplePie. No seriously, read them.

+

Note: Passing this test does not guarantee that SimplePie will run on your webhost — it only ensures that the basic requirements have been addressed.

+ +

Bottom Line: Yes, you can!

+

For most feeds, it'll run with no problems. There are certain languages that you might have a hard time with though.

+

You can download the latest version of SimplePie from SimplePie.org and install it by following the instructions. You can find example uses with SimplePie Ideas.

+

Take the time to read Requirements and Getting Started to make sure you're prepared to use SimplePie. No seriously, read them.

+

Note: Passing this test does not guarantee that SimplePie will run on your webhost — it only ensures that the basic requirements have been addressed.

+ +

Bottom Line: We're sorry…

+

Your webhost does not support the minimum requirements for SimplePie. It may be a good idea to contact your webhost, and ask them to install a more recent version of PHP as well as the xml, mbstring, iconv, curl, and zlib extensions.

+ +
+ +
+

¹ — SimplePie 2 will not support PHP 4.x. The core PHP team has discontinued PHP 4.x patches and support. Read the announcement.

+

² — Some recent versions of the PCRE (PERL-Compatible Regular Expression) engine compiled into PHP have been buggy, and are the source of PHP segmentation faults (e.g. crashes) which cause random things like blank, white screens. Check the Support Forums for the latest information on patches and ongoing fixes.

+
+ +
+ +
+ + + \ No newline at end of file diff --git a/libraries/simplepie/create.php b/libraries/simplepie/create.php new file mode 100644 index 0000000..463ae28 --- /dev/null +++ b/libraries/simplepie/create.php @@ -0,0 +1,163 @@ +success && !($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300))) + { + return false; + } + else + { + $data = explode("\n", $file->body); + unset($file); + + foreach ($data as $line) + { + // New character set + if (substr($line, 0, 5) === 'Name:') + { + // If we already have one, push it on to the array + if (isset($aliases)) + { + natcasesort($aliases); + for ($i = 0, $count = count($aliases); $i < $count; $i++) + { + $aliases[$i] = normalize_character_set($aliases[$i]); + } + $charsets[$preferred] = $aliases; + } + + $start = 5 + strspn($line, "\x09\x0A\x0B\xC\x0D\x20", 5); + $chars = strcspn($line, "\x09\x0A\x0B\xC\x0D\x20", $start); + $aliases = array(substr($line, $start, $chars)); + $preferred = end($aliases); + } + // Another alias + elseif(substr($line, 0, 6) === 'Alias:') + { + $start = 7 + strspn($line, "\x09\x0A\x0B\xC\x0D\x20", 7); + $chars = strcspn($line, "\x09\x0A\x0B\xC\x0D\x20", $start); + $aliases[] = substr($line, $start, $chars); + + if (end($aliases) === 'None') + { + array_pop($aliases); + } + elseif (substr($line, 7 + $chars + 1, 21) === '(preferred MIME name)') + { + $preferred = end($aliases); + } + } + } + + // Compatibility replacements + $compat = array( + 'EUC-KR' => 'Windows-949', + 'GB2312' => 'GBK', + 'GB_2312-80' => 'GBK', + 'ISO-8859-1' => 'Windows-1252', + 'ISO-8859-9' => 'Windows-1254', + 'ISO-8859-11' => 'Windows-874', + 'KS_C_5601-1987' => 'Windows-949', + 'TIS-620' => 'Windows-874', + 'x-x-big5' => 'Big5', + ); + + foreach ($compat as $real => $replace) + { + if (isset($charsets[$real]) && isset($charsets[$replace])) + { + $charsets[$replace] = array_merge($charsets[$replace], $charsets[$real]); + unset($charsets[$real]); + } + elseif (isset($charsets[$real])) + { + $charsets[$replace] = $charsets[$real]; + $charsets[$replace][] = normalize_character_set($replace); + $charsets[$replace] = array_unique($charsets[$replace]); + unset($charsets[$real]); + } + else + { + $charsets[$replace][] = normalize_character_set($real); + } + } + + // Sort it + uksort($charsets, 'strnatcasecmp'); + + // And we're done! + return $charsets; + } +} + +function charset($charset) +{ + $normalized_charset = normalize_character_set($charset); + if ($charsets = build_character_set_list()) + { + foreach ($charsets as $preferred => $aliases) + { + if (in_array($normalized_charset, $aliases)) + { + return $preferred; + } + } + return $charset; + } + else + { + return false; + } +} + +function build_function() +{ + if ($charsets = build_character_set_list()) + { + $return = << $aliases) + { + foreach ($aliases as $alias) + { + $return .= "\t\tcase " . var_export($alias, true) . ":\n"; + } + $return .= "\t\t\treturn " . var_export($preferred, true) . ";\n\n"; + } + $return .= << \ No newline at end of file diff --git a/libraries/simplepie/idn/LICENCE b/libraries/simplepie/idn/LICENCE new file mode 100644 index 0000000..25a1d22 --- /dev/null +++ b/libraries/simplepie/idn/LICENCE @@ -0,0 +1,502 @@ + GNU LESSER GENERAL PUBLIC LICENSE + Version 2.1, February 1999 + + Copyright (C) 1991, 1999 Free Software Foundation, Inc. + 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + +[This is the first released version of the Lesser GPL. It also counts + as the successor of the GNU Library Public License, version 2, hence + the version number 2.1.] + + Preamble + + The licenses for most software are designed to take away your +freedom to share and change it. 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See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +Also add information on how to contact you by electronic and paper mail. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the library, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the + library `Frob' (a library for tweaking knobs) written by James Random Hacker. + + , 1 April 1990 + Ty Coon, President of Vice + +That's all there is to it! diff --git a/libraries/simplepie/idn/ReadMe.txt b/libraries/simplepie/idn/ReadMe.txt new file mode 100644 index 0000000..7ca8c7e --- /dev/null +++ b/libraries/simplepie/idn/ReadMe.txt @@ -0,0 +1,123 @@ +******************************************************************************* +* * +* IDNA Convert (idna_convert.class.php) * +* * +* http://idnaconv.phlymail.de mailto:phlymail@phlylabs.de * +******************************************************************************* +* (c) 2004-2007 phlyLabs, Berlin * +* This file is encoded in UTF-8 * +******************************************************************************* + +Introduction +------------ + +The class idna_convert allows to convert internationalized domain names +(see RFC 3490, 3491, 3492 and 3454 for detials) as they can be used with various +registries worldwide to be translated between their original (localized) form +and their encoded form as it will be used in the DNS (Domain Name System). + +The class provides two public methods, encode() and decode(), which do exactly +what you would expect them to do. You are allowed to use complete domain names, +simple strings and complete email addresses as well. That means, that you might +use any of the following notations: + +- www.nörgler.com +- xn--nrgler-wxa +- xn--brse-5qa.xn--knrz-1ra.info + +Errors, incorrectly encoded or invalid strings will lead to either a FALSE +response (when in strict mode) or to only partially converted strings. +You can query the occured error by calling the method get_last_error(). + +Unicode strings are expected to be either UTF-8 strings, UCS-4 strings or UCS-4 +arrays. The default format is UTF-8. For setting different encodings, you can +call the method setParams() - please see the inline documentation for details. +ACE strings (the Punycode form) are always 7bit ASCII strings. + +ATTENTION: We no longer supply the PHP5 version of the class. It is not +necessary for achieving a successfull conversion, since the supplied PHP code is +compatible with both PHP4 and PHP5. We expect to see no compatibility issues +with the upcoming PHP6, too. + + +Files +----- + +idna_convert.class.php - The actual class +idna_convert.create.npdata.php - Useful for (re)creating the NPData file +npdata.ser - Serialized data for NamePrep +example.php - An example web page for converting +ReadMe.txt - This file +LICENCE - The LGPL licence file + +The class is contained in idna_convert.class.php. +MAKE SURE to copy the npdata.ser file into the same folder as the class file +itself! + + +Examples +-------- + +1. Say we wish to encode the domain name nörgler.com: + +// Include the class +include_once('idna_convert.class.php'); +// Instantiate it * +$IDN = new idna_convert(); +// The input string, if input is not UTF-8 or UCS-4, it must be converted before +$input = utf8_encode('nörgler.com'); +// Encode it to its punycode presentation +$output = $IDN->encode($input); +// Output, what we got now +echo $output; // This will read: xn--nrgler-wxa.com + + +2. We received an email from a punycoded domain and are willing to learn, how + the domain name reads originally + +// Include the class +include_once('idna_convert.class.php'); +// Instantiate it (depending on the version you are using) with +$IDN = new idna_convert(); +// The input string +$input = 'andre@xn--brse-5qa.xn--knrz-1ra.info'; +// Encode it to its punycode presentation +$output = $IDN->decode($input); +// Output, what we got now, if output should be in a format different to UTF-8 +// or UCS-4, you will have to convert it before outputting it +echo utf8_decode($output); // This will read: andre@börse.knörz.info + + +3. The input is read from a UCS-4 coded file and encoded line by line. By + appending the optional second parameter we tell enode() about the input + format to be used + +// Include the class +include_once('idna_convert.class.php'); +// Instantiate it +$IDN = new dinca_convert(); +// Iterate through the input file line by line +foreach (file('ucs4-domains.txt') as $line) { + echo $IDN->encode(trim($line), 'ucs4_string'); + echo "\n"; +} + + +NPData +------ + +Should you need to recreate the npdata.ser file, which holds all necessary translation +tables in a serialized format, you can run the file idna_convert.create.npdata.php, which +creates the file for you and stores it in the same folder, where it is placed. +Should you need to do changes to the tables you can do so, but beware of the consequences. + + +Contact us +---------- + +In case of errors, bugs, questions, wishes, please don't hesitate to contact us +under the email address above. + +The team of phlyLabs +http://phlylabs.de +mailto:phlymail@phlylabs.de \ No newline at end of file diff --git a/libraries/simplepie/idn/idna_convert.class.php b/libraries/simplepie/idn/idna_convert.class.php new file mode 100644 index 0000000..ed2bae2 --- /dev/null +++ b/libraries/simplepie/idn/idna_convert.class.php @@ -0,0 +1,969 @@ + + * @copyright 2004-2007 phlyLabs Berlin, http://phlylabs.de + * @version 0.5.1 + * + */ +class idna_convert +{ + /** + * Holds all relevant mapping tables, loaded from a seperate file on construct + * See RFC3454 for details + * + * @var array + * @access private + */ + var $NP = array(); + + // Internal settings, do not mess with them + var $_punycode_prefix = 'xn--'; + var $_invalid_ucs = 0x80000000; + var $_max_ucs = 0x10FFFF; + var $_base = 36; + var $_tmin = 1; + var $_tmax = 26; + var $_skew = 38; + var $_damp = 700; + var $_initial_bias = 72; + var $_initial_n = 0x80; + var $_sbase = 0xAC00; + var $_lbase = 0x1100; + var $_vbase = 0x1161; + var $_tbase = 0x11A7; + var $_lcount = 19; + var $_vcount = 21; + var $_tcount = 28; + var $_ncount = 588; // _vcount * _tcount + var $_scount = 11172; // _lcount * _tcount * _vcount + var $_error = false; + + // See {@link set_paramter()} for details of how to change the following + // settings from within your script / application + var $_api_encoding = 'utf8'; // Default input charset is UTF-8 + var $_allow_overlong = false; // Overlong UTF-8 encodings are forbidden + var $_strict_mode = false; // Behave strict or not + + // The constructor + function idna_convert($options = false) + { + $this->slast = $this->_sbase + $this->_lcount * $this->_vcount * $this->_tcount; + if (function_exists('file_get_contents')) { + $this->NP = unserialize(file_get_contents(dirname(__FILE__).'/npdata.ser')); + } else { + $this->NP = unserialize(join('', file(dirname(__FILE__).'/npdata.ser'))); + } + // If parameters are given, pass these to the respective method + if (is_array($options)) { + return $this->set_parameter($options); + } + return true; + } + + /** + * Sets a new option value. Available options and values: + * [encoding - Use either UTF-8, UCS4 as array or UCS4 as string as input ('utf8' for UTF-8, + * 'ucs4_string' and 'ucs4_array' respectively for UCS4); The output is always UTF-8] + * [overlong - Unicode does not allow unnecessarily long encodings of chars, + * to allow this, set this parameter to true, else to false; + * default is false.] + * [strict - true: strict mode, good for registration purposes - Causes errors + * on failures; false: loose mode, ideal for "wildlife" applications + * by silently ignoring errors and returning the original input instead + * + * @param mixed Parameter to set (string: single parameter; array of Parameter => Value pairs) + * @param string Value to use (if parameter 1 is a string) + * @return boolean true on success, false otherwise + * @access public + */ + function set_parameter($option, $value = false) + { + if (!is_array($option)) { + $option = array($option => $value); + } + foreach ($option as $k => $v) { + switch ($k) { + case 'encoding': + switch ($v) { + case 'utf8': + case 'ucs4_string': + case 'ucs4_array': + $this->_api_encoding = $v; + break; + default: + $this->_error('Set Parameter: Unknown parameter '.$v.' for option '.$k); + return false; + } + break; + case 'overlong': + $this->_allow_overlong = ($v) ? true : false; + break; + case 'strict': + $this->_strict_mode = ($v) ? true : false; + break; + default: + $this->_error('Set Parameter: Unknown option '.$k); + return false; + } + } + return true; + } + + /** + * Decode a given ACE domain name + * @param string Domain name (ACE string) + * [@param string Desired output encoding, see {@link set_parameter}] + * @return string Decoded Domain name (UTF-8 or UCS-4) + * @access public + */ + function decode($input, $one_time_encoding = false) + { + // Optionally set + if ($one_time_encoding) { + switch ($one_time_encoding) { + case 'utf8': + case 'ucs4_string': + case 'ucs4_array': + break; + default: + $this->_error('Unknown encoding '.$one_time_encoding); + return false; + } + } + // Make sure to drop any newline characters around + $input = trim($input); + + // Negotiate input and try to determine, whether it is a plain string, + // an email address or something like a complete URL + if (strpos($input, '@')) { // Maybe it is an email address + // No no in strict mode + if ($this->_strict_mode) { + $this->_error('Only simple domain name parts can be handled in strict mode'); + return false; + } + list ($email_pref, $input) = explode('@', $input, 2); + $arr = explode('.', $input); + foreach ($arr as $k => $v) { + if (preg_match('!^'.preg_quote($this->_punycode_prefix, '!').'!', $v)) { + $conv = $this->_decode($v); + if ($conv) $arr[$k] = $conv; + } + } + $input = join('.', $arr); + $arr = explode('.', $email_pref); + foreach ($arr as $k => $v) { + if (preg_match('!^'.preg_quote($this->_punycode_prefix, '!').'!', $v)) { + $conv = $this->_decode($v); + if ($conv) $arr[$k] = $conv; + } + } + $email_pref = join('.', $arr); + $return = $email_pref . '@' . $input; + } elseif (preg_match('![:\./]!', $input)) { // Or a complete domain name (with or without paths / parameters) + // No no in strict mode + if ($this->_strict_mode) { + $this->_error('Only simple domain name parts can be handled in strict mode'); + return false; + } + $parsed = parse_url($input); + if (isset($parsed['host'])) { + $arr = explode('.', $parsed['host']); + foreach ($arr as $k => $v) { + $conv = $this->_decode($v); + if ($conv) $arr[$k] = $conv; + } + $parsed['host'] = join('.', $arr); + $return = + (empty($parsed['scheme']) ? '' : $parsed['scheme'].(strtolower($parsed['scheme']) == 'mailto' ? ':' : '://')) + .(empty($parsed['user']) ? '' : $parsed['user'].(empty($parsed['pass']) ? '' : ':'.$parsed['pass']).'@') + .$parsed['host'] + .(empty($parsed['port']) ? '' : ':'.$parsed['port']) + .(empty($parsed['path']) ? '' : $parsed['path']) + .(empty($parsed['query']) ? '' : '?'.$parsed['query']) + .(empty($parsed['fragment']) ? '' : '#'.$parsed['fragment']); + } else { // parse_url seems to have failed, try without it + $arr = explode('.', $input); + foreach ($arr as $k => $v) { + $conv = $this->_decode($v); + $arr[$k] = ($conv) ? $conv : $v; + } + $return = join('.', $arr); + } + } else { // Otherwise we consider it being a pure domain name string + $return = $this->_decode($input); + if (!$return) $return = $input; + } + // The output is UTF-8 by default, other output formats need conversion here + // If one time encoding is given, use this, else the objects property + switch (($one_time_encoding) ? $one_time_encoding : $this->_api_encoding) { + case 'utf8': + return $return; + break; + case 'ucs4_string': + return $this->_ucs4_to_ucs4_string($this->_utf8_to_ucs4($return)); + break; + case 'ucs4_array': + return $this->_utf8_to_ucs4($return); + break; + default: + $this->_error('Unsupported output format'); + return false; + } + } + + /** + * Encode a given UTF-8 domain name + * @param string Domain name (UTF-8 or UCS-4) + * [@param string Desired input encoding, see {@link set_parameter}] + * @return string Encoded Domain name (ACE string) + * @access public + */ + function encode($decoded, $one_time_encoding = false) + { + // Forcing conversion of input to UCS4 array + // If one time encoding is given, use this, else the objects property + switch ($one_time_encoding ? $one_time_encoding : $this->_api_encoding) { + case 'utf8': + $decoded = $this->_utf8_to_ucs4($decoded); + break; + case 'ucs4_string': + $decoded = $this->_ucs4_string_to_ucs4($decoded); + case 'ucs4_array': + break; + default: + $this->_error('Unsupported input format: '.($one_time_encoding ? $one_time_encoding : $this->_api_encoding)); + return false; + } + + // No input, no output, what else did you expect? + if (empty($decoded)) return ''; + + // Anchors for iteration + $last_begin = 0; + // Output string + $output = ''; + foreach ($decoded as $k => $v) { + // Make sure to use just the plain dot + switch($v) { + case 0x3002: + case 0xFF0E: + case 0xFF61: + $decoded[$k] = 0x2E; + // Right, no break here, the above are converted to dots anyway + // Stumbling across an anchoring character + case 0x2E: + case 0x2F: + case 0x3A: + case 0x3F: + case 0x40: + // Neither email addresses nor URLs allowed in strict mode + if ($this->_strict_mode) { + $this->_error('Neither email addresses nor URLs are allowed in strict mode.'); + return false; + } else { + // Skip first char + if ($k) { + $encoded = ''; + $encoded = $this->_encode(array_slice($decoded, $last_begin, (($k)-$last_begin))); + if ($encoded) { + $output .= $encoded; + } else { + $output .= $this->_ucs4_to_utf8(array_slice($decoded, $last_begin, (($k)-$last_begin))); + } + $output .= chr($decoded[$k]); + } + $last_begin = $k + 1; + } + } + } + // Catch the rest of the string + if ($last_begin) { + $inp_len = sizeof($decoded); + $encoded = ''; + $encoded = $this->_encode(array_slice($decoded, $last_begin, (($inp_len)-$last_begin))); + if ($encoded) { + $output .= $encoded; + } else { + $output .= $this->_ucs4_to_utf8(array_slice($decoded, $last_begin, (($inp_len)-$last_begin))); + } + return $output; + } else { + if ($output = $this->_encode($decoded)) { + return $output; + } else { + return $this->_ucs4_to_utf8($decoded); + } + } + } + + /** + * Use this method to get the last error ocurred + * @param void + * @return string The last error, that occured + * @access public + */ + function get_last_error() + { + return $this->_error; + } + + /** + * The actual decoding algorithm + * @access private + */ + function _decode($encoded) + { + // We do need to find the Punycode prefix + if (!preg_match('!^'.preg_quote($this->_punycode_prefix, '!').'!', $encoded)) { + $this->_error('This is not a punycode string'); + return false; + } + $encode_test = preg_replace('!^'.preg_quote($this->_punycode_prefix, '!').'!', '', $encoded); + // If nothing left after removing the prefix, it is hopeless + if (!$encode_test) { + $this->_error('The given encoded string was empty'); + return false; + } + // Find last occurence of the delimiter + $delim_pos = strrpos($encoded, '-'); + if ($delim_pos > strlen($this->_punycode_prefix)) { + for ($k = strlen($this->_punycode_prefix); $k < $delim_pos; ++$k) { + $decoded[] = ord($encoded{$k}); + } + } else { + $decoded = array(); + } + $deco_len = count($decoded); + $enco_len = strlen($encoded); + + // Wandering through the strings; init + $is_first = true; + $bias = $this->_initial_bias; + $idx = 0; + $char = $this->_initial_n; + + for ($enco_idx = ($delim_pos) ? ($delim_pos + 1) : 0; $enco_idx < $enco_len; ++$deco_len) { + for ($old_idx = $idx, $w = 1, $k = $this->_base; 1 ; $k += $this->_base) { + $digit = $this->_decode_digit($encoded{$enco_idx++}); + $idx += $digit * $w; + $t = ($k <= $bias) ? $this->_tmin : + (($k >= $bias + $this->_tmax) ? $this->_tmax : ($k - $bias)); + if ($digit < $t) break; + $w = (int) ($w * ($this->_base - $t)); + } + $bias = $this->_adapt($idx - $old_idx, $deco_len + 1, $is_first); + $is_first = false; + $char += (int) ($idx / ($deco_len + 1)); + $idx %= ($deco_len + 1); + if ($deco_len > 0) { + // Make room for the decoded char + for ($i = $deco_len; $i > $idx; $i--) { + $decoded[$i] = $decoded[($i - 1)]; + } + } + $decoded[$idx++] = $char; + } + return $this->_ucs4_to_utf8($decoded); + } + + /** + * The actual encoding algorithm + * @access private + */ + function _encode($decoded) + { + // We cannot encode a domain name containing the Punycode prefix + $extract = strlen($this->_punycode_prefix); + $check_pref = $this->_utf8_to_ucs4($this->_punycode_prefix); + $check_deco = array_slice($decoded, 0, $extract); + + if ($check_pref == $check_deco) { + $this->_error('This is already a punycode string'); + return false; + } + // We will not try to encode strings consisting of basic code points only + $encodable = false; + foreach ($decoded as $k => $v) { + if ($v > 0x7a) { + $encodable = true; + break; + } + } + if (!$encodable) { + $this->_error('The given string does not contain encodable chars'); + return false; + } + + // Do NAMEPREP + $decoded = $this->_nameprep($decoded); + if (!$decoded || !is_array($decoded)) return false; // NAMEPREP failed + + $deco_len = count($decoded); + if (!$deco_len) return false; // Empty array + + $codecount = 0; // How many chars have been consumed + + $encoded = ''; + // Copy all basic code points to output + for ($i = 0; $i < $deco_len; ++$i) { + $test = $decoded[$i]; + // Will match [-0-9a-zA-Z] + if ((0x2F < $test && $test < 0x40) || (0x40 < $test && $test < 0x5B) + || (0x60 < $test && $test <= 0x7B) || (0x2D == $test)) { + $encoded .= chr($decoded[$i]); + $codecount++; + } + } + if ($codecount == $deco_len) return $encoded; // All codepoints were basic ones + + // Start with the prefix; copy it to output + $encoded = $this->_punycode_prefix.$encoded; + + // If we have basic code points in output, add an hyphen to the end + if ($codecount) $encoded .= '-'; + + // Now find and encode all non-basic code points + $is_first = true; + $cur_code = $this->_initial_n; + $bias = $this->_initial_bias; + $delta = 0; + while ($codecount < $deco_len) { + // Find the smallest code point >= the current code point and + // remember the last ouccrence of it in the input + for ($i = 0, $next_code = $this->_max_ucs; $i < $deco_len; $i++) { + if ($decoded[$i] >= $cur_code && $decoded[$i] <= $next_code) { + $next_code = $decoded[$i]; + } + } + + $delta += ($next_code - $cur_code) * ($codecount + 1); + $cur_code = $next_code; + + // Scan input again and encode all characters whose code point is $cur_code + for ($i = 0; $i < $deco_len; $i++) { + if ($decoded[$i] < $cur_code) { + $delta++; + } elseif ($decoded[$i] == $cur_code) { + for ($q = $delta, $k = $this->_base; 1; $k += $this->_base) { + $t = ($k <= $bias) ? $this->_tmin : + (($k >= $bias + $this->_tmax) ? $this->_tmax : $k - $bias); + if ($q < $t) break; + $encoded .= $this->_encode_digit(intval($t + (($q - $t) % ($this->_base - $t)))); //v0.4.5 Changed from ceil() to intval() + $q = (int) (($q - $t) / ($this->_base - $t)); + } + $encoded .= $this->_encode_digit($q); + $bias = $this->_adapt($delta, $codecount+1, $is_first); + $codecount++; + $delta = 0; + $is_first = false; + } + } + $delta++; + $cur_code++; + } + return $encoded; + } + + /** + * Adapt the bias according to the current code point and position + * @access private + */ + function _adapt($delta, $npoints, $is_first) + { + $delta = intval($is_first ? ($delta / $this->_damp) : ($delta / 2)); + $delta += intval($delta / $npoints); + for ($k = 0; $delta > (($this->_base - $this->_tmin) * $this->_tmax) / 2; $k += $this->_base) { + $delta = intval($delta / ($this->_base - $this->_tmin)); + } + return intval($k + ($this->_base - $this->_tmin + 1) * $delta / ($delta + $this->_skew)); + } + + /** + * Encoding a certain digit + * @access private + */ + function _encode_digit($d) + { + return chr($d + 22 + 75 * ($d < 26)); + } + + /** + * Decode a certain digit + * @access private + */ + function _decode_digit($cp) + { + $cp = ord($cp); + return ($cp - 48 < 10) ? $cp - 22 : (($cp - 65 < 26) ? $cp - 65 : (($cp - 97 < 26) ? $cp - 97 : $this->_base)); + } + + /** + * Internal error handling method + * @access private + */ + function _error($error = '') + { + $this->_error = $error; + } + + /** + * Do Nameprep according to RFC3491 and RFC3454 + * @param array Unicode Characters + * @return string Unicode Characters, Nameprep'd + * @access private + */ + function _nameprep($input) + { + $output = array(); + $error = false; + // + // Mapping + // Walking through the input array, performing the required steps on each of + // the input chars and putting the result into the output array + // While mapping required chars we apply the cannonical ordering + foreach ($input as $v) { + // Map to nothing == skip that code point + if (in_array($v, $this->NP['map_nothing'])) continue; + + // Try to find prohibited input + if (in_array($v, $this->NP['prohibit']) || in_array($v, $this->NP['general_prohibited'])) { + $this->_error('NAMEPREP: Prohibited input U+'.sprintf('%08X', $v)); + return false; + } + foreach ($this->NP['prohibit_ranges'] as $range) { + if ($range[0] <= $v && $v <= $range[1]) { + $this->_error('NAMEPREP: Prohibited input U+'.sprintf('%08X', $v)); + return false; + } + } + // + // Hangul syllable decomposition + if (0xAC00 <= $v && $v <= 0xD7AF) { + foreach ($this->_hangul_decompose($v) as $out) { + $output[] = (int) $out; + } + // There's a decomposition mapping for that code point + } elseif (isset($this->NP['replacemaps'][$v])) { + foreach ($this->_apply_cannonical_ordering($this->NP['replacemaps'][$v]) as $out) { + $output[] = (int) $out; + } + } else { + $output[] = (int) $v; + } + } + // Before applying any Combining, try to rearrange any Hangul syllables + $output = $this->_hangul_compose($output); + // + // Combine code points + // + $last_class = 0; + $last_starter = 0; + $out_len = count($output); + for ($i = 0; $i < $out_len; ++$i) { + $class = $this->_get_combining_class($output[$i]); + if ((!$last_class || $last_class > $class) && $class) { + // Try to match + $seq_len = $i - $last_starter; + $out = $this->_combine(array_slice($output, $last_starter, $seq_len)); + // On match: Replace the last starter with the composed character and remove + // the now redundant non-starter(s) + if ($out) { + $output[$last_starter] = $out; + if (count($out) != $seq_len) { + for ($j = $i+1; $j < $out_len; ++$j) { + $output[$j-1] = $output[$j]; + } + unset($output[$out_len]); + } + // Rewind the for loop by one, since there can be more possible compositions + $i--; + $out_len--; + $last_class = ($i == $last_starter) ? 0 : $this->_get_combining_class($output[$i-1]); + continue; + } + } + // The current class is 0 + if (!$class) $last_starter = $i; + $last_class = $class; + } + return $output; + } + + /** + * Decomposes a Hangul syllable + * (see http://www.unicode.org/unicode/reports/tr15/#Hangul + * @param integer 32bit UCS4 code point + * @return array Either Hangul Syllable decomposed or original 32bit value as one value array + * @access private + */ + function _hangul_decompose($char) + { + $sindex = (int) $char - $this->_sbase; + if ($sindex < 0 || $sindex >= $this->_scount) { + return array($char); + } + $result = array(); + $result[] = (int) $this->_lbase + $sindex / $this->_ncount; + $result[] = (int) $this->_vbase + ($sindex % $this->_ncount) / $this->_tcount; + $T = intval($this->_tbase + $sindex % $this->_tcount); + if ($T != $this->_tbase) $result[] = $T; + return $result; + } + /** + * Ccomposes a Hangul syllable + * (see http://www.unicode.org/unicode/reports/tr15/#Hangul + * @param array Decomposed UCS4 sequence + * @return array UCS4 sequence with syllables composed + * @access private + */ + function _hangul_compose($input) + { + $inp_len = count($input); + if (!$inp_len) return array(); + $result = array(); + $last = (int) $input[0]; + $result[] = $last; // copy first char from input to output + + for ($i = 1; $i < $inp_len; ++$i) { + $char = (int) $input[$i]; + $sindex = $last - $this->_sbase; + $lindex = $last - $this->_lbase; + $vindex = $char - $this->_vbase; + $tindex = $char - $this->_tbase; + // Find out, whether two current characters are LV and T + if (0 <= $sindex && $sindex < $this->_scount && ($sindex % $this->_tcount == 0) + && 0 <= $tindex && $tindex <= $this->_tcount) { + // create syllable of form LVT + $last += $tindex; + $result[(count($result) - 1)] = $last; // reset last + continue; // discard char + } + // Find out, whether two current characters form L and V + if (0 <= $lindex && $lindex < $this->_lcount && 0 <= $vindex && $vindex < $this->_vcount) { + // create syllable of form LV + $last = (int) $this->_sbase + ($lindex * $this->_vcount + $vindex) * $this->_tcount; + $result[(count($result) - 1)] = $last; // reset last + continue; // discard char + } + // if neither case was true, just add the character + $last = $char; + $result[] = $char; + } + return $result; + } + + /** + * Returns the combining class of a certain wide char + * @param integer Wide char to check (32bit integer) + * @return integer Combining class if found, else 0 + * @access private + */ + function _get_combining_class($char) + { + return isset($this->NP['norm_combcls'][$char]) ? $this->NP['norm_combcls'][$char] : 0; + } + + /** + * Apllies the cannonical ordering of a decomposed UCS4 sequence + * @param array Decomposed UCS4 sequence + * @return array Ordered USC4 sequence + * @access private + */ + function _apply_cannonical_ordering($input) + { + $swap = true; + $size = count($input); + while ($swap) { + $swap = false; + $last = $this->_get_combining_class(intval($input[0])); + for ($i = 0; $i < $size-1; ++$i) { + $next = $this->_get_combining_class(intval($input[$i+1])); + if ($next != 0 && $last > $next) { + // Move item leftward until it fits + for ($j = $i + 1; $j > 0; --$j) { + if ($this->_get_combining_class(intval($input[$j-1])) <= $next) break; + $t = intval($input[$j]); + $input[$j] = intval($input[$j-1]); + $input[$j-1] = $t; + $swap = true; + } + // Reentering the loop looking at the old character again + $next = $last; + } + $last = $next; + } + } + return $input; + } + + /** + * Do composition of a sequence of starter and non-starter + * @param array UCS4 Decomposed sequence + * @return array Ordered USC4 sequence + * @access private + */ + function _combine($input) + { + $inp_len = count($input); + foreach ($this->NP['replacemaps'] as $np_src => $np_target) { + if ($np_target[0] != $input[0]) continue; + if (count($np_target) != $inp_len) continue; + $hit = false; + foreach ($input as $k2 => $v2) { + if ($v2 == $np_target[$k2]) { + $hit = true; + } else { + $hit = false; + break; + } + } + if ($hit) return $np_src; + } + return false; + } + + /** + * This converts an UTF-8 encoded string to its UCS-4 representation + * By talking about UCS-4 "strings" we mean arrays of 32bit integers representing + * each of the "chars". This is due to PHP not being able to handle strings with + * bit depth different from 8. This apllies to the reverse method _ucs4_to_utf8(), too. + * The following UTF-8 encodings are supported: + * bytes bits representation + * 1 7 0xxxxxxx + * 2 11 110xxxxx 10xxxxxx + * 3 16 1110xxxx 10xxxxxx 10xxxxxx + * 4 21 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx + * 5 26 111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx + * 6 31 1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx + * Each x represents a bit that can be used to store character data. + * The five and six byte sequences are part of Annex D of ISO/IEC 10646-1:2000 + * @access private + */ + function _utf8_to_ucs4($input) + { + $output = array(); + $out_len = 0; + $inp_len = strlen($input); + $mode = 'next'; + $test = 'none'; + for ($k = 0; $k < $inp_len; ++$k) { + $v = ord($input{$k}); // Extract byte from input string + + if ($v < 128) { // We found an ASCII char - put into stirng as is + $output[$out_len] = $v; + ++$out_len; + if ('add' == $mode) { + $this->_error('Conversion from UTF-8 to UCS-4 failed: malformed input at byte '.$k); + return false; + } + continue; + } + if ('next' == $mode) { // Try to find the next start byte; determine the width of the Unicode char + $start_byte = $v; + $mode = 'add'; + $test = 'range'; + if ($v >> 5 == 6) { // &110xxxxx 10xxxxx + $next_byte = 0; // Tells, how many times subsequent bitmasks must rotate 6bits to the left + $v = ($v - 192) << 6; + } elseif ($v >> 4 == 14) { // &1110xxxx 10xxxxxx 10xxxxxx + $next_byte = 1; + $v = ($v - 224) << 12; + } elseif ($v >> 3 == 30) { // &11110xxx 10xxxxxx 10xxxxxx 10xxxxxx + $next_byte = 2; + $v = ($v - 240) << 18; + } elseif ($v >> 2 == 62) { // &111110xx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx + $next_byte = 3; + $v = ($v - 248) << 24; + } elseif ($v >> 1 == 126) { // &1111110x 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx 10xxxxxx + $next_byte = 4; + $v = ($v - 252) << 30; + } else { + $this->_error('This might be UTF-8, but I don\'t understand it at byte '.$k); + return false; + } + if ('add' == $mode) { + $output[$out_len] = (int) $v; + ++$out_len; + continue; + } + } + if ('add' == $mode) { + if (!$this->_allow_overlong && $test == 'range') { + $test = 'none'; + if (($v < 0xA0 && $start_byte == 0xE0) || ($v < 0x90 && $start_byte == 0xF0) || ($v > 0x8F && $start_byte == 0xF4)) { + $this->_error('Bogus UTF-8 character detected (out of legal range) at byte '.$k); + return false; + } + } + if ($v >> 6 == 2) { // Bit mask must be 10xxxxxx + $v = ($v - 128) << ($next_byte * 6); + $output[($out_len - 1)] += $v; + --$next_byte; + } else { + $this->_error('Conversion from UTF-8 to UCS-4 failed: malformed input at byte '.$k); + return false; + } + if ($next_byte < 0) { + $mode = 'next'; + } + } + } // for + return $output; + } + + /** + * Convert UCS-4 string into UTF-8 string + * See _utf8_to_ucs4() for details + * @access private + */ + function _ucs4_to_utf8($input) + { + $output = ''; + $k = 0; + foreach ($input as $v) { + ++$k; + // $v = ord($v); + if ($v < 128) { // 7bit are transferred literally + $output .= chr($v); + } elseif ($v < (1 << 11)) { // 2 bytes + $output .= chr(192 + ($v >> 6)) . chr(128 + ($v & 63)); + } elseif ($v < (1 << 16)) { // 3 bytes + $output .= chr(224 + ($v >> 12)) . chr(128 + (($v >> 6) & 63)) . chr(128 + ($v & 63)); + } elseif ($v < (1 << 21)) { // 4 bytes + $output .= chr(240 + ($v >> 18)) . chr(128 + (($v >> 12) & 63)) + . chr(128 + (($v >> 6) & 63)) . chr(128 + ($v & 63)); + } elseif ($v < (1 << 26)) { // 5 bytes + $output .= chr(248 + ($v >> 24)) . chr(128 + (($v >> 18) & 63)) + . chr(128 + (($v >> 12) & 63)) . chr(128 + (($v >> 6) & 63)) + . chr(128 + ($v & 63)); + } elseif ($v < (1 << 31)) { // 6 bytes + $output .= chr(252 + ($v >> 30)) . chr(128 + (($v >> 24) & 63)) + . chr(128 + (($v >> 18) & 63)) . chr(128 + (($v >> 12) & 63)) + . chr(128 + (($v >> 6) & 63)) . chr(128 + ($v & 63)); + } else { + $this->_error('Conversion from UCS-4 to UTF-8 failed: malformed input at byte '.$k); + return false; + } + } + return $output; + } + + /** + * Convert UCS-4 array into UCS-4 string + * + * @access private + */ + function _ucs4_to_ucs4_string($input) + { + $output = ''; + // Take array values and split output to 4 bytes per value + // The bit mask is 255, which reads &11111111 + foreach ($input as $v) { + $output .= chr(($v >> 24) & 255).chr(($v >> 16) & 255).chr(($v >> 8) & 255).chr($v & 255); + } + return $output; + } + + /** + * Convert UCS-4 strin into UCS-4 garray + * + * @access private + */ + function _ucs4_string_to_ucs4($input) + { + $output = array(); + $inp_len = strlen($input); + // Input length must be dividable by 4 + if ($inp_len % 4) { + $this->_error('Input UCS4 string is broken'); + return false; + } + // Empty input - return empty output + if (!$inp_len) return $output; + for ($i = 0, $out_len = -1; $i < $inp_len; ++$i) { + // Increment output position every 4 input bytes + if (!($i % 4)) { + $out_len++; + $output[$out_len] = 0; + } + $output[$out_len] += ord($input{$i}) << (8 * (3 - ($i % 4) ) ); + } + return $output; + } +} + +/** +* Adapter class for aligning the API of idna_convert with that of Net_IDNA +* @author Matthias Sommerfeld +*/ +class Net_IDNA_php4 extends idna_convert +{ + /** + * Sets a new option value. Available options and values: + * [encoding - Use either UTF-8, UCS4 as array or UCS4 as string as input ('utf8' for UTF-8, + * 'ucs4_string' and 'ucs4_array' respectively for UCS4); The output is always UTF-8] + * [overlong - Unicode does not allow unnecessarily long encodings of chars, + * to allow this, set this parameter to true, else to false; + * default is false.] + * [strict - true: strict mode, good for registration purposes - Causes errors + * on failures; false: loose mode, ideal for "wildlife" applications + * by silently ignoring errors and returning the original input instead + * + * @param mixed Parameter to set (string: single parameter; array of Parameter => Value pairs) + * @param string Value to use (if parameter 1 is a string) + * @return boolean true on success, false otherwise + * @access public + */ + function setParams($option, $param = false) + { + return $this->IC->set_parameters($option, $param); + } +} + +?> \ No newline at end of file diff --git a/libraries/simplepie/idn/npdata.ser b/libraries/simplepie/idn/npdata.ser new file mode 100644 index 0000000..d7ce6d0 --- /dev/null +++ b/libraries/simplepie/idn/npdata.ser @@ -0,0 +1 @@ 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\ No newline at end of file diff --git a/libraries/simplepie/simplepie.class.php b/libraries/simplepie/simplepie.class.php new file mode 100644 index 0000000..059e58b --- /dev/null +++ b/libraries/simplepie/simplepie.class.php @@ -0,0 +1,14539 @@ +' . SIMPLEPIE_NAME . ''); + +/** + * No Autodiscovery + * @see SimplePie::set_autodiscovery_level() + */ +define('SIMPLEPIE_LOCATOR_NONE', 0); + +/** + * Feed Link Element Autodiscovery + * @see SimplePie::set_autodiscovery_level() + */ +define('SIMPLEPIE_LOCATOR_AUTODISCOVERY', 1); + +/** + * Local Feed Extension Autodiscovery + * @see SimplePie::set_autodiscovery_level() + */ +define('SIMPLEPIE_LOCATOR_LOCAL_EXTENSION', 2); + +/** + * Local Feed Body Autodiscovery + * @see SimplePie::set_autodiscovery_level() + */ +define('SIMPLEPIE_LOCATOR_LOCAL_BODY', 4); + +/** + * Remote Feed Extension Autodiscovery + * @see SimplePie::set_autodiscovery_level() + */ +define('SIMPLEPIE_LOCATOR_REMOTE_EXTENSION', 8); + +/** + * Remote Feed Body Autodiscovery + * @see SimplePie::set_autodiscovery_level() + */ +define('SIMPLEPIE_LOCATOR_REMOTE_BODY', 16); + +/** + * All Feed Autodiscovery + * @see SimplePie::set_autodiscovery_level() + */ +define('SIMPLEPIE_LOCATOR_ALL', 31); + +/** + * No known feed type + */ +define('SIMPLEPIE_TYPE_NONE', 0); + +/** + * RSS 0.90 + */ +define('SIMPLEPIE_TYPE_RSS_090', 1); + +/** + * RSS 0.91 (Netscape) + */ +define('SIMPLEPIE_TYPE_RSS_091_NETSCAPE', 2); + +/** + * RSS 0.91 (Userland) + */ +define('SIMPLEPIE_TYPE_RSS_091_USERLAND', 4); + +/** + * RSS 0.91 (both Netscape and Userland) + */ +define('SIMPLEPIE_TYPE_RSS_091', 6); + +/** + * RSS 0.92 + */ +define('SIMPLEPIE_TYPE_RSS_092', 8); + +/** + * RSS 0.93 + */ +define('SIMPLEPIE_TYPE_RSS_093', 16); + +/** + * RSS 0.94 + */ +define('SIMPLEPIE_TYPE_RSS_094', 32); + +/** + * RSS 1.0 + */ +define('SIMPLEPIE_TYPE_RSS_10', 64); + +/** + * RSS 2.0 + */ +define('SIMPLEPIE_TYPE_RSS_20', 128); + +/** + * RDF-based RSS + */ +define('SIMPLEPIE_TYPE_RSS_RDF', 65); + +/** + * Non-RDF-based RSS (truly intended as syndication format) + */ +define('SIMPLEPIE_TYPE_RSS_SYNDICATION', 190); + +/** + * All RSS + */ +define('SIMPLEPIE_TYPE_RSS_ALL', 255); + +/** + * Atom 0.3 + */ +define('SIMPLEPIE_TYPE_ATOM_03', 256); + +/** + * Atom 1.0 + */ +define('SIMPLEPIE_TYPE_ATOM_10', 512); + +/** + * All Atom + */ +define('SIMPLEPIE_TYPE_ATOM_ALL', 768); + +/** + * All feed types + */ +define('SIMPLEPIE_TYPE_ALL', 1023); + +/** + * No construct + */ +define('SIMPLEPIE_CONSTRUCT_NONE', 0); + +/** + * Text construct + */ +define('SIMPLEPIE_CONSTRUCT_TEXT', 1); + +/** + * HTML construct + */ +define('SIMPLEPIE_CONSTRUCT_HTML', 2); + +/** + * XHTML construct + */ +define('SIMPLEPIE_CONSTRUCT_XHTML', 4); + +/** + * base64-encoded construct + */ +define('SIMPLEPIE_CONSTRUCT_BASE64', 8); + +/** + * IRI construct + */ +define('SIMPLEPIE_CONSTRUCT_IRI', 16); + +/** + * A construct that might be HTML + */ +define('SIMPLEPIE_CONSTRUCT_MAYBE_HTML', 32); + +/** + * All constructs + */ +define('SIMPLEPIE_CONSTRUCT_ALL', 63); + +/** + * Don't change case + */ +define('SIMPLEPIE_SAME_CASE', 1); + +/** + * Change to lowercase + */ +define('SIMPLEPIE_LOWERCASE', 2); + +/** + * Change to uppercase + */ +define('SIMPLEPIE_UPPERCASE', 4); + +/** + * PCRE for HTML attributes + */ +define('SIMPLEPIE_PCRE_HTML_ATTRIBUTE', '((?:[\x09\x0A\x0B\x0C\x0D\x20]+[^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"(?:[^"]*)"|\'(?:[^\']*)\'|(?:[^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?)*)[\x09\x0A\x0B\x0C\x0D\x20]*'); + +/** + * PCRE for XML attributes + */ +define('SIMPLEPIE_PCRE_XML_ATTRIBUTE', '((?:\s+(?:(?:[^\s:]+:)?[^\s:]+)\s*=\s*(?:"(?:[^"]*)"|\'(?:[^\']*)\'))*)\s*'); + +/** + * XML Namespace + */ +define('SIMPLEPIE_NAMESPACE_XML', 'http://www.w3.org/XML/1998/namespace'); + +/** + * Atom 1.0 Namespace + */ +define('SIMPLEPIE_NAMESPACE_ATOM_10', 'http://www.w3.org/2005/Atom'); + +/** + * Atom 0.3 Namespace + */ +define('SIMPLEPIE_NAMESPACE_ATOM_03', 'http://purl.org/atom/ns#'); + +/** + * RDF Namespace + */ +define('SIMPLEPIE_NAMESPACE_RDF', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#'); + +/** + * RSS 0.90 Namespace + */ +define('SIMPLEPIE_NAMESPACE_RSS_090', 'http://my.netscape.com/rdf/simple/0.9/'); + +/** + * RSS 1.0 Namespace + */ +define('SIMPLEPIE_NAMESPACE_RSS_10', 'http://purl.org/rss/1.0/'); + +/** + * RSS 1.0 Content Module Namespace + */ +define('SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT', 'http://purl.org/rss/1.0/modules/content/'); + +/** + * RSS 2.0 Namespace + * (Stupid, I know, but I'm certain it will confuse people less with support.) + */ +define('SIMPLEPIE_NAMESPACE_RSS_20', ''); + +/** + * DC 1.0 Namespace + */ +define('SIMPLEPIE_NAMESPACE_DC_10', 'http://purl.org/dc/elements/1.0/'); + +/** + * DC 1.1 Namespace + */ +define('SIMPLEPIE_NAMESPACE_DC_11', 'http://purl.org/dc/elements/1.1/'); + +/** + * W3C Basic Geo (WGS84 lat/long) Vocabulary Namespace + */ +define('SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO', 'http://www.w3.org/2003/01/geo/wgs84_pos#'); + +/** + * GeoRSS Namespace + */ +define('SIMPLEPIE_NAMESPACE_GEORSS', 'http://www.georss.org/georss'); + +/** + * Media RSS Namespace + */ +define('SIMPLEPIE_NAMESPACE_MEDIARSS', 'http://search.yahoo.com/mrss/'); + +/** + * Wrong Media RSS Namespace. Caused by a long-standing typo in the spec. + */ +define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG', 'http://search.yahoo.com/mrss'); + +/** + * Wrong Media RSS Namespace #2. New namespace introduced in Media RSS 1.5. + */ +define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2', 'http://video.search.yahoo.com/mrss'); + +/** + * Wrong Media RSS Namespace #3. A possible typo of the Media RSS 1.5 namespace. + */ +define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3', 'http://video.search.yahoo.com/mrss/'); + +/** + * Wrong Media RSS Namespace #4. New spec location after the RSS Advisory Board takes it over, but not a valid namespace. + */ +define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4', 'http://www.rssboard.org/media-rss'); + +/** + * Wrong Media RSS Namespace #5. A possible typo of the RSS Advisory Board URL. + */ +define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5', 'http://www.rssboard.org/media-rss/'); + +/** + * iTunes RSS Namespace + */ +define('SIMPLEPIE_NAMESPACE_ITUNES', 'http://www.itunes.com/dtds/podcast-1.0.dtd'); + +/** + * XHTML Namespace + */ +define('SIMPLEPIE_NAMESPACE_XHTML', 'http://www.w3.org/1999/xhtml'); + +/** + * IANA Link Relations Registry + */ +define('SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY', 'http://www.iana.org/assignments/relation/'); + +/** + * Whether we're running on PHP5 + */ +define('SIMPLEPIE_PHP5', version_compare(PHP_VERSION, '5.0.0', '>=')); + +/** + * No file source + */ +define('SIMPLEPIE_FILE_SOURCE_NONE', 0); + +/** + * Remote file source + */ +define('SIMPLEPIE_FILE_SOURCE_REMOTE', 1); + +/** + * Local file source + */ +define('SIMPLEPIE_FILE_SOURCE_LOCAL', 2); + +/** + * fsockopen() file source + */ +define('SIMPLEPIE_FILE_SOURCE_FSOCKOPEN', 4); + +/** + * cURL file source + */ +define('SIMPLEPIE_FILE_SOURCE_CURL', 8); + +/** + * file_get_contents() file source + */ +define('SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS', 16); + +/** + * SimplePie + * + * @package SimplePie + */ +class SimplePie +{ + /** + * @var array Raw data + * @access private + */ + public $data = array(); + + /** + * @var mixed Error string + * @access private + */ + public $error; + + /** + * @var object Instance of SimplePie_Sanitize (or other class) + * @see SimplePie::set_sanitize_class() + * @access private + */ + public $sanitize; + + /** + * @var string SimplePie Useragent + * @see SimplePie::set_useragent() + * @access private + */ + public $useragent = SIMPLEPIE_USERAGENT; + + /** + * @var string Feed URL + * @see SimplePie::set_feed_url() + * @access private + */ + public $feed_url; + + /** + * @var object Instance of SimplePie_File to use as a feed + * @see SimplePie::set_file() + * @access private + */ + public $file; + + /** + * @var string Raw feed data + * @see SimplePie::set_raw_data() + * @access private + */ + public $raw_data; + + /** + * @var int Timeout for fetching remote files + * @see SimplePie::set_timeout() + * @access private + */ + public $timeout = 10; + + /** + * @var bool Forces fsockopen() to be used for remote files instead + * of cURL, even if a new enough version is installed + * @see SimplePie::force_fsockopen() + * @access private + */ + public $force_fsockopen = false; + + /** + * @var bool Force the given data/URL to be treated as a feed no matter what + * it appears like + * @see SimplePie::force_feed() + * @access private + */ + public $force_feed = false; + + /** + * @var bool Enable/Disable XML dump + * @see SimplePie::enable_xml_dump() + * @access private + */ + public $xml_dump = false; + + /** + * @var bool Enable/Disable Caching + * @see SimplePie::enable_cache() + * @access private + */ + public $cache = true; + + /** + * @var int Cache duration (in seconds) + * @see SimplePie::set_cache_duration() + * @access private + */ + public $cache_duration = 3600; + + /** + * @var int Auto-discovery cache duration (in seconds) + * @see SimplePie::set_autodiscovery_cache_duration() + * @access private + */ + public $autodiscovery_cache_duration = 604800; // 7 Days. + + /** + * @var string Cache location (relative to executing script) + * @see SimplePie::set_cache_location() + * @access private + */ + public $cache_location = './cache'; + + /** + * @var string Function that creates the cache filename + * @see SimplePie::set_cache_name_function() + * @access private + */ + public $cache_name_function = 'md5'; + + /** + * @var bool Reorder feed by date descending + * @see SimplePie::enable_order_by_date() + * @access private + */ + public $order_by_date = true; + + /** + * @var mixed Force input encoding to be set to the follow value + * (false, or anything type-cast to false, disables this feature) + * @see SimplePie::set_input_encoding() + * @access private + */ + public $input_encoding = false; + + /** + * @var int Feed Autodiscovery Level + * @see SimplePie::set_autodiscovery_level() + * @access private + */ + public $autodiscovery = SIMPLEPIE_LOCATOR_ALL; + + /** + * @var string Class used for caching feeds + * @see SimplePie::set_cache_class() + * @access private + */ + public $cache_class = 'SimplePie_Cache'; + + /** + * @var string Class used for locating feeds + * @see SimplePie::set_locator_class() + * @access private + */ + public $locator_class = 'SimplePie_Locator'; + + /** + * @var string Class used for parsing feeds + * @see SimplePie::set_parser_class() + * @access private + */ + public $parser_class = 'SimplePie_Parser'; + + /** + * @var string Class used for fetching feeds + * @see SimplePie::set_file_class() + * @access private + */ + public $file_class = 'SimplePie_File'; + + /** + * @var string Class used for items + * @see SimplePie::set_item_class() + * @access private + */ + public $item_class = 'SimplePie_Item'; + + /** + * @var string Class used for authors + * @see SimplePie::set_author_class() + * @access private + */ + public $author_class = 'SimplePie_Author'; + + /** + * @var string Class used for categories + * @see SimplePie::set_category_class() + * @access private + */ + public $category_class = 'SimplePie_Category'; + + /** + * @var string Class used for enclosures + * @see SimplePie::set_enclosures_class() + * @access private + */ + public $enclosure_class = 'SimplePie_Enclosure'; + + /** + * @var string Class used for Media RSS captions + * @see SimplePie::set_caption_class() + * @access private + */ + public $caption_class = 'SimplePie_Caption'; + + /** + * @var string Class used for Media RSS + * @see SimplePie::set_copyright_class() + * @access private + */ + public $copyright_class = 'SimplePie_Copyright'; + + /** + * @var string Class used for Media RSS + * @see SimplePie::set_credit_class() + * @access private + */ + public $credit_class = 'SimplePie_Credit'; + + /** + * @var string Class used for Media RSS + * @see SimplePie::set_rating_class() + * @access private + */ + public $rating_class = 'SimplePie_Rating'; + + /** + * @var string Class used for Media RSS + * @see SimplePie::set_restriction_class() + * @access private + */ + public $restriction_class = 'SimplePie_Restriction'; + + /** + * @var string Class used for content-type sniffing + * @see SimplePie::set_content_type_sniffer_class() + * @access private + */ + public $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer'; + + /** + * @var string Class used for item sources. + * @see SimplePie::set_source_class() + * @access private + */ + public $source_class = 'SimplePie_Source'; + + /** + * @var mixed Set javascript query string parameter (false, or + * anything type-cast to false, disables this feature) + * @see SimplePie::set_javascript() + * @access private + */ + public $javascript = 'js'; + + /** + * @var int Maximum number of feeds to check with autodiscovery + * @see SimplePie::set_max_checked_feeds() + * @access private + */ + public $max_checked_feeds = 10; + + /** + * @var array All the feeds found during the autodiscovery process + * @see SimplePie::get_all_discovered_feeds() + * @access private + */ + public $all_discovered_feeds = array(); + + /** + * @var string Web-accessible path to the handler_image.php file. + * @see SimplePie::set_image_handler() + * @access private + */ + public $image_handler = ''; + + /** + * @var array Stores the URLs when multiple feeds are being initialized. + * @see SimplePie::set_feed_url() + * @access private + */ + public $multifeed_url = array(); + + /** + * @var array Stores SimplePie objects when multiple feeds initialized. + * @access private + */ + public $multifeed_objects = array(); + + /** + * @var array Stores the get_object_vars() array for use with multifeeds. + * @see SimplePie::set_feed_url() + * @access private + */ + public $config_settings = null; + + /** + * @var integer Stores the number of items to return per-feed with multifeeds. + * @see SimplePie::set_item_limit() + * @access private + */ + public $item_limit = 0; + + /** + * @var array Stores the default attributes to be stripped by strip_attributes(). + * @see SimplePie::strip_attributes() + * @access private + */ + public $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc'); + + /** + * @var array Stores the default tags to be stripped by strip_htmltags(). + * @see SimplePie::strip_htmltags() + * @access private + */ + public $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style'); + + /** + * The SimplePie class contains feed level data and options + * + * There are two ways that you can create a new SimplePie object. The first + * is by passing a feed URL as a parameter to the SimplePie constructor + * (as well as optionally setting the cache location and cache expiry). This + * will initialise the whole feed with all of the default settings, and you + * can begin accessing methods and properties immediately. + * + * The second way is to create the SimplePie object with no parameters + * at all. This will enable you to set configuration options. After setting + * them, you must initialise the feed using $feed->init(). At that point the + * object's methods and properties will be available to you. This format is + * what is used throughout this documentation. + * + * @access public + * @since 1.0 Preview Release + */ + public function __construct() + { + if (version_compare(PHP_VERSION, '5.0', '<')) + { + trigger_error('PHP 4.x is no longer supported. Please upgrade to PHP 5.2 or newer.'); + die(); + } + + // Other objects, instances created here so we can set options on them + $this->sanitize = new SimplePie_Sanitize(); + + if (func_num_args() > 0) + { + trigger_error('Passing parameters to the constructor is no longer supported. Please use set_feed_url(), set_cache_location(), and set_cache_location() directly.'); + } + } + + /** + * Used for converting object to a string + */ + public function __toString() + { + return md5(serialize($this->data)); + } + + /** + * Remove items that link back to this before destroying this object + */ + public function __destruct() + { + if ((version_compare(PHP_VERSION, '5.3', '<') || !gc_enabled()) && !ini_get('zend.ze1_compatibility_mode')) + { + if (!empty($this->data['items'])) + { + foreach ($this->data['items'] as $item) + { + $item->__destruct(); + } + unset($item, $this->data['items']); + } + if (!empty($this->data['ordered_items'])) + { + foreach ($this->data['ordered_items'] as $item) + { + $item->__destruct(); + } + unset($item, $this->data['ordered_items']); + } + } + } + + /** + * Force the given data/URL to be treated as a feed no matter what it + * appears like + * + * @access public + * @since 1.1 + * @param bool $enable Force the given data/URL to be treated as a feed + */ + public function force_feed($enable = false) + { + $this->force_feed = (bool) $enable; + } + + /** + * This is the URL of the feed you want to parse. + * + * This allows you to enter the URL of the feed you want to parse, or the + * website you want to try to use auto-discovery on. This takes priority + * over any set raw data. + * + * You can set multiple feeds to mash together by passing an array instead + * of a string for the $url. Remember that with each additional feed comes + * additional processing and resources. + * + * @access public + * @since 1.0 Preview Release + * @param mixed $url This is the URL (or array of URLs) that you want to parse. + * @see SimplePie::set_raw_data() + */ + public function set_feed_url($url) + { + if (is_array($url)) + { + $this->multifeed_url = array(); + foreach ($url as $value) + { + $this->multifeed_url[] = SimplePie_Misc::fix_protocol($value, 1); + } + } + else + { + $this->feed_url = SimplePie_Misc::fix_protocol($url, 1); + } + } + + /** + * Provides an instance of SimplePie_File to use as a feed + * + * @access public + * @param object &$file Instance of SimplePie_File (or subclass) + * @return bool True on success, false on failure + */ + public function set_file(&$file) + { + if (is_a($file, 'SimplePie_File')) + { + $this->feed_url = $file->url; + $this->file =& $file; + return true; + } + return false; + } + + /** + * Allows you to use a string of RSS/Atom data instead of a remote feed. + * + * If you have a feed available as a string in PHP, you can tell SimplePie + * to parse that data string instead of a remote feed. Any set feed URL + * takes precedence. + * + * @access public + * @since 1.0 Beta 3 + * @param string $data RSS or Atom data as a string. + * @see SimplePie::set_feed_url() + */ + public function set_raw_data($data) + { + $this->raw_data = $data; + } + + /** + * Allows you to override the default timeout for fetching remote feeds. + * + * This allows you to change the maximum time the feed's server to respond + * and send the feed back. + * + * @access public + * @since 1.0 Beta 3 + * @param int $timeout The maximum number of seconds to spend waiting to retrieve a feed. + */ + public function set_timeout($timeout = 10) + { + $this->timeout = (int) $timeout; + } + + /** + * Forces SimplePie to use fsockopen() instead of the preferred cURL + * functions. + * + * @access public + * @since 1.0 Beta 3 + * @param bool $enable Force fsockopen() to be used + */ + public function force_fsockopen($enable = false) + { + $this->force_fsockopen = (bool) $enable; + } + + /** + * Enables/disables caching in SimplePie. + * + * This option allows you to disable caching all-together in SimplePie. + * However, disabling the cache can lead to longer load times. + * + * @access public + * @since 1.0 Preview Release + * @param bool $enable Enable caching + */ + public function enable_cache($enable = true) + { + $this->cache = (bool) $enable; + } + + /** + * Set the length of time (in seconds) that the contents of a feed + * will be cached. + * + * @access public + * @param int $seconds The feed content cache duration. + */ + public function set_cache_duration($seconds = 3600) + { + $this->cache_duration = (int) $seconds; + } + + /** + * Set the length of time (in seconds) that the autodiscovered feed + * URL will be cached. + * + * @access public + * @param int $seconds The autodiscovered feed URL cache duration. + */ + public function set_autodiscovery_cache_duration($seconds = 604800) + { + $this->autodiscovery_cache_duration = (int) $seconds; + } + + /** + * Set the file system location where the cached files should be stored. + * + * @access public + * @param string $location The file system location. + */ + public function set_cache_location($location = './cache') + { + $this->cache_location = (string) $location; + } + + /** + * Determines whether feed items should be sorted into reverse chronological order. + * + * @access public + * @param bool $enable Sort as reverse chronological order. + */ + public function enable_order_by_date($enable = true) + { + $this->order_by_date = (bool) $enable; + } + + /** + * Allows you to override the character encoding reported by the feed. + * + * @access public + * @param string $encoding Character encoding. + */ + public function set_input_encoding($encoding = false) + { + if ($encoding) + { + $this->input_encoding = (string) $encoding; + } + else + { + $this->input_encoding = false; + } + } + + /** + * Set how much feed autodiscovery to do + * + * @access public + * @see SIMPLEPIE_LOCATOR_NONE + * @see SIMPLEPIE_LOCATOR_AUTODISCOVERY + * @see SIMPLEPIE_LOCATOR_LOCAL_EXTENSION + * @see SIMPLEPIE_LOCATOR_LOCAL_BODY + * @see SIMPLEPIE_LOCATOR_REMOTE_EXTENSION + * @see SIMPLEPIE_LOCATOR_REMOTE_BODY + * @see SIMPLEPIE_LOCATOR_ALL + * @param int $level Feed Autodiscovery Level (level can be a + * combination of the above constants, see bitwise OR operator) + */ + public function set_autodiscovery_level($level = SIMPLEPIE_LOCATOR_ALL) + { + $this->autodiscovery = (int) $level; + } + + /** + * Allows you to change which class SimplePie uses for caching. + * Useful when you are overloading or extending SimplePie's default classes. + * + * @access public + * @param string $class Name of custom class. + * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation + */ + public function set_cache_class($class = 'SimplePie_Cache') + { + if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Cache')) + { + $this->cache_class = $class; + return true; + } + return false; + } + + /** + * Allows you to change which class SimplePie uses for auto-discovery. + * Useful when you are overloading or extending SimplePie's default classes. + * + * @access public + * @param string $class Name of custom class. + * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation + */ + public function set_locator_class($class = 'SimplePie_Locator') + { + if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Locator')) + { + $this->locator_class = $class; + return true; + } + return false; + } + + /** + * Allows you to change which class SimplePie uses for XML parsing. + * Useful when you are overloading or extending SimplePie's default classes. + * + * @access public + * @param string $class Name of custom class. + * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation + */ + public function set_parser_class($class = 'SimplePie_Parser') + { + if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Parser')) + { + $this->parser_class = $class; + return true; + } + return false; + } + + /** + * Allows you to change which class SimplePie uses for remote file fetching. + * Useful when you are overloading or extending SimplePie's default classes. + * + * @access public + * @param string $class Name of custom class. + * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation + */ + public function set_file_class($class = 'SimplePie_File') + { + if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_File')) + { + $this->file_class = $class; + return true; + } + return false; + } + + /** + * Allows you to change which class SimplePie uses for data sanitization. + * Useful when you are overloading or extending SimplePie's default classes. + * + * @access public + * @param string $class Name of custom class. + * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation + */ + public function set_sanitize_class($class = 'SimplePie_Sanitize') + { + if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Sanitize')) + { + $this->sanitize = new $class(); + return true; + } + return false; + } + + /** + * Allows you to change which class SimplePie uses for handling feed items. + * Useful when you are overloading or extending SimplePie's default classes. + * + * @access public + * @param string $class Name of custom class. + * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation + */ + public function set_item_class($class = 'SimplePie_Item') + { + if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Item')) + { + $this->item_class = $class; + return true; + } + return false; + } + + /** + * Allows you to change which class SimplePie uses for handling author data. + * Useful when you are overloading or extending SimplePie's default classes. + * + * @access public + * @param string $class Name of custom class. + * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation + */ + public function set_author_class($class = 'SimplePie_Author') + { + if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Author')) + { + $this->author_class = $class; + return true; + } + return false; + } + + /** + * Allows you to change which class SimplePie uses for handling category data. + * Useful when you are overloading or extending SimplePie's default classes. + * + * @access public + * @param string $class Name of custom class. + * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation + */ + public function set_category_class($class = 'SimplePie_Category') + { + if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Category')) + { + $this->category_class = $class; + return true; + } + return false; + } + + /** + * Allows you to change which class SimplePie uses for feed enclosures. + * Useful when you are overloading or extending SimplePie's default classes. + * + * @access public + * @param string $class Name of custom class. + * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation + */ + public function set_enclosure_class($class = 'SimplePie_Enclosure') + { + if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Enclosure')) + { + $this->enclosure_class = $class; + return true; + } + return false; + } + + /** + * Allows you to change which class SimplePie uses for captions + * Useful when you are overloading or extending SimplePie's default classes. + * + * @access public + * @param string $class Name of custom class. + * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation + */ + public function set_caption_class($class = 'SimplePie_Caption') + { + if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Caption')) + { + $this->caption_class = $class; + return true; + } + return false; + } + + /** + * Allows you to change which class SimplePie uses for + * Useful when you are overloading or extending SimplePie's default classes. + * + * @access public + * @param string $class Name of custom class. + * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation + */ + public function set_copyright_class($class = 'SimplePie_Copyright') + { + if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Copyright')) + { + $this->copyright_class = $class; + return true; + } + return false; + } + + /** + * Allows you to change which class SimplePie uses for + * Useful when you are overloading or extending SimplePie's default classes. + * + * @access public + * @param string $class Name of custom class. + * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation + */ + public function set_credit_class($class = 'SimplePie_Credit') + { + if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Credit')) + { + $this->credit_class = $class; + return true; + } + return false; + } + + /** + * Allows you to change which class SimplePie uses for + * Useful when you are overloading or extending SimplePie's default classes. + * + * @access public + * @param string $class Name of custom class. + * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation + */ + public function set_rating_class($class = 'SimplePie_Rating') + { + if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Rating')) + { + $this->rating_class = $class; + return true; + } + return false; + } + + /** + * Allows you to change which class SimplePie uses for + * Useful when you are overloading or extending SimplePie's default classes. + * + * @access public + * @param string $class Name of custom class. + * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation + */ + public function set_restriction_class($class = 'SimplePie_Restriction') + { + if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Restriction')) + { + $this->restriction_class = $class; + return true; + } + return false; + } + + /** + * Allows you to change which class SimplePie uses for content-type sniffing. + * Useful when you are overloading or extending SimplePie's default classes. + * + * @access public + * @param string $class Name of custom class. + * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation + */ + public function set_content_type_sniffer_class($class = 'SimplePie_Content_Type_Sniffer') + { + if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Content_Type_Sniffer')) + { + $this->content_type_sniffer_class = $class; + return true; + } + return false; + } + + /** + * Allows you to change which class SimplePie uses item sources. + * Useful when you are overloading or extending SimplePie's default classes. + * + * @access public + * @param string $class Name of custom class. + * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation + */ + public function set_source_class($class = 'SimplePie_Source') + { + if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Source')) + { + $this->source_class = $class; + return true; + } + return false; + } + + /** + * Allows you to override the default user agent string. + * + * @access public + * @param string $ua New user agent string. + */ + public function set_useragent($ua = SIMPLEPIE_USERAGENT) + { + $this->useragent = (string) $ua; + } + + /** + * Set callback function to create cache filename with + * + * @access public + * @param mixed $function Callback function + */ + public function set_cache_name_function($function = 'md5') + { + if (is_callable($function)) + { + $this->cache_name_function = $function; + } + } + + /** + * Set javascript query string parameter + * + * @access public + * @param mixed $get Javascript query string parameter + */ + public function set_javascript($get = 'js') + { + if ($get) + { + $this->javascript = (string) $get; + } + else + { + $this->javascript = false; + } + } + + /** + * Set options to make SP as fast as possible. Forgoes a + * substantial amount of data sanitization in favor of speed. + * + * @access public + * @param bool $set Whether to set them or not + */ + public function set_stupidly_fast($set = false) + { + if ($set) + { + $this->enable_order_by_date(false); + $this->remove_div(false); + $this->strip_comments(false); + $this->strip_htmltags(false); + $this->strip_attributes(false); + $this->set_image_handler(false); + } + } + + /** + * Set maximum number of feeds to check with autodiscovery + * + * @access public + * @param int $max Maximum number of feeds to check + */ + public function set_max_checked_feeds($max = 10) + { + $this->max_checked_feeds = (int) $max; + } + + public function remove_div($enable = true) + { + $this->sanitize->remove_div($enable); + } + + public function strip_htmltags($tags = '', $encode = null) + { + if ($tags === '') + { + $tags = $this->strip_htmltags; + } + $this->sanitize->strip_htmltags($tags); + if ($encode !== null) + { + $this->sanitize->encode_instead_of_strip($tags); + } + } + + public function encode_instead_of_strip($enable = true) + { + $this->sanitize->encode_instead_of_strip($enable); + } + + public function strip_attributes($attribs = '') + { + if ($attribs === '') + { + $attribs = $this->strip_attributes; + } + $this->sanitize->strip_attributes($attribs); + } + + public function set_output_encoding($encoding = 'UTF-8') + { + $this->sanitize->set_output_encoding($encoding); + } + + public function strip_comments($strip = false) + { + $this->sanitize->strip_comments($strip); + } + + /** + * Set element/attribute key/value pairs of HTML attributes + * containing URLs that need to be resolved relative to the feed + * + * @access public + * @since 1.0 + * @param array $element_attribute Element/attribute key/value pairs + */ + public function set_url_replacements($element_attribute = array('a' => 'href', 'area' => 'href', 'blockquote' => 'cite', 'del' => 'cite', 'form' => 'action', 'img' => array('longdesc', 'src'), 'input' => 'src', 'ins' => 'cite', 'q' => 'cite')) + { + $this->sanitize->set_url_replacements($element_attribute); + } + + /** + * Set the handler to enable the display of cached images. + * + * @access public + * @param str $page Web-accessible path to the handler_image.php file. + * @param str $qs The query string that the value should be passed to. + */ + public function set_image_handler($page = false, $qs = 'i') + { + if ($page !== false) + { + $this->sanitize->set_image_handler($page . '?' . $qs . '='); + } + else + { + $this->image_handler = ''; + } + } + + /** + * Set the limit for items returned per-feed with multifeeds. + * + * @access public + * @param integer $limit The maximum number of items to return. + */ + public function set_item_limit($limit = 0) + { + $this->item_limit = (int) $limit; + } + + public function init() + { + // Check absolute bare minimum requirements. + if ((function_exists('version_compare') && version_compare(PHP_VERSION, '5.0', '<')) || !extension_loaded('xml') || !extension_loaded('pcre')) + { + return false; + } + // Then check the xml extension is sane (i.e., libxml 2.7.x issue on PHP < 5.2.9 and libxml 2.7.0 to 2.7.2 on any version) if we don't have xmlreader. + elseif (!extension_loaded('xmlreader')) + { + static $xml_is_sane = null; + if ($xml_is_sane === null) + { + $parser_check = xml_parser_create(); + xml_parse_into_struct($parser_check, '&', $values); + xml_parser_free($parser_check); + $xml_is_sane = isset($values[0]['value']); + } + if (!$xml_is_sane) + { + return false; + } + } + + if (isset($_GET[$this->javascript])) + { + SimplePie_Misc::output_javascript(); + exit; + } + + // Pass whatever was set with config options over to the sanitizer. + $this->sanitize->pass_cache_data($this->cache, $this->cache_location, $this->cache_name_function, $this->cache_class); + $this->sanitize->pass_file_data($this->file_class, $this->timeout, $this->useragent, $this->force_fsockopen); + + if ($this->feed_url !== null || $this->raw_data !== null) + { + $this->error = null; + $this->data = array(); + $this->multifeed_objects = array(); + $cache = false; + + if ($this->feed_url !== null) + { + $parsed_feed_url = SimplePie_Misc::parse_url($this->feed_url); + // Decide whether to enable caching + if ($this->cache && $parsed_feed_url['scheme'] !== '') + { + $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $this->feed_url), 'spc'); + } + // If it's enabled and we don't want an XML dump, use the cache + if ($cache && !$this->xml_dump) + { + // Load the Cache + $this->data = $cache->load(); + if (!empty($this->data)) + { + // If the cache is for an outdated build of SimplePie + if (!isset($this->data['build']) || $this->data['build'] !== SIMPLEPIE_BUILD) + { + $cache->unlink(); + $this->data = array(); + } + // If we've hit a collision just rerun it with caching disabled + elseif (isset($this->data['url']) && $this->data['url'] !== $this->feed_url) + { + $cache = false; + $this->data = array(); + } + // If we've got a non feed_url stored (if the page isn't actually a feed, or is a redirect) use that URL. + elseif (isset($this->data['feed_url'])) + { + // If the autodiscovery cache is still valid use it. + if ($cache->mtime() + $this->autodiscovery_cache_duration > time()) + { + // Do not need to do feed autodiscovery yet. + if ($this->data['feed_url'] === $this->data['url']) + { + $cache->unlink(); + $this->data = array(); + } + else + { + $this->set_feed_url($this->data['feed_url']); + return $this->init(); + } + } + } + // Check if the cache has been updated + elseif ($cache->mtime() + $this->cache_duration < time()) + { + // If we have last-modified and/or etag set + if (isset($this->data['headers']['last-modified']) || isset($this->data['headers']['etag'])) + { + $headers = array(); + if (isset($this->data['headers']['last-modified'])) + { + $headers['if-modified-since'] = $this->data['headers']['last-modified']; + } + if (isset($this->data['headers']['etag'])) + { + $headers['if-none-match'] = '"' . $this->data['headers']['etag'] . '"'; + } + + $file = new $this->file_class($this->feed_url, $this->timeout/10, 5, $headers, $this->useragent, $this->force_fsockopen); + + if ($file->success) + { + if ($file->status_code === 304) + { + $cache->touch(); + return true; + } + else + { + $headers = $file->headers; + } + } + else + { + unset($file); + } + } + } + // If the cache is still valid, just return true + else + { + return true; + } + } + // If the cache is empty, delete it + else + { + $cache->unlink(); + $this->data = array(); + } + } + // If we don't already have the file (it'll only exist if we've opened it to check if the cache has been modified), open it. + if (!isset($file)) + { + if (is_a($this->file, 'SimplePie_File') && $this->file->url === $this->feed_url) + { + $file =& $this->file; + } + else + { + $file = new $this->file_class($this->feed_url, $this->timeout, 5, null, $this->useragent, $this->force_fsockopen); + } + } + // If the file connection has an error, set SimplePie::error to that and quit + if (!$file->success && !($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300))) + { + $this->error = $file->error; + if (!empty($this->data)) + { + return true; + } + else + { + return false; + } + } + + if (!$this->force_feed) + { + // Check if the supplied URL is a feed, if it isn't, look for it. + $locate = new $this->locator_class($file, $this->timeout, $this->useragent, $this->file_class, $this->max_checked_feeds, $this->content_type_sniffer_class); + + if (!$locate->is_feed($file)) + { + // We need to unset this so that if SimplePie::set_file() has been called that object is untouched + unset($file); + if ($file = $locate->find($this->autodiscovery, $this->all_discovered_feeds)) + { + if ($cache) + { + $this->data = array('url' => $this->feed_url, 'feed_url' => $file->url, 'build' => SIMPLEPIE_BUILD); + if (!$cache->save($this)) + { + trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING); + } + $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $file->url), 'spc'); + } + $this->feed_url = $file->url; + } + else + { + $this->error = "A feed could not be found at $this->feed_url. A feed with an invalid mime type may fall victim to this error, or " . SIMPLEPIE_NAME . " was unable to auto-discover it.. Use force_feed() if you are certain this URL is a real feed."; + SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__); + return false; + } + } + $locate = null; + } + + $headers = $file->headers; + $data = $file->body; + $sniffer = new $this->content_type_sniffer_class($file); + $sniffed = $sniffer->get_type(); + } + else + { + $data = $this->raw_data; + } + + // Set up array of possible encodings + $encodings = array(); + + // First check to see if input has been overridden. + if ($this->input_encoding !== false) + { + $encodings[] = $this->input_encoding; + } + + $application_types = array('application/xml', 'application/xml-dtd', 'application/xml-external-parsed-entity'); + $text_types = array('text/xml', 'text/xml-external-parsed-entity'); + + // RFC 3023 (only applies to sniffed content) + if (isset($sniffed)) + { + if (in_array($sniffed, $application_types) || substr($sniffed, 0, 12) === 'application/' && substr($sniffed, -4) === '+xml') + { + if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset)) + { + $encodings[] = strtoupper($charset[1]); + } + $encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data)); + $encodings[] = 'UTF-8'; + } + elseif (in_array($sniffed, $text_types) || substr($sniffed, 0, 5) === 'text/' && substr($sniffed, -4) === '+xml') + { + if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset)) + { + $encodings[] = $charset[1]; + } + $encodings[] = 'US-ASCII'; + } + // Text MIME-type default + elseif (substr($sniffed, 0, 5) === 'text/') + { + $encodings[] = 'US-ASCII'; + } + } + + // Fallback to XML 1.0 Appendix F.1/UTF-8/ISO-8859-1 + $encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data)); + $encodings[] = 'UTF-8'; + $encodings[] = 'ISO-8859-1'; + + // There's no point in trying an encoding twice + $encodings = array_unique($encodings); + + // If we want the XML, just output that with the most likely encoding and quit + if ($this->xml_dump) + { + header('Content-type: text/xml; charset=' . $encodings[0]); + echo $data; + exit; + } + + // Loop through each possible encoding, till we return something, or run out of possibilities + foreach ($encodings as $encoding) + { + // Change the encoding to UTF-8 (as we always use UTF-8 internally) + if ($utf8_data = SimplePie_Misc::change_encoding($data, $encoding, 'UTF-8')) + { + // Create new parser + $parser = new $this->parser_class(); + + // If it's parsed fine + if ($parser->parse($utf8_data, 'UTF-8')) + { + $this->data = $parser->get_data(); + if ($this->get_type() & ~SIMPLEPIE_TYPE_NONE) + { + if (isset($headers)) + { + $this->data['headers'] = $headers; + } + $this->data['build'] = SIMPLEPIE_BUILD; + + // Cache the file if caching is enabled + if ($cache && !$cache->save($this)) + { + trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING); + } + return true; + } + else + { + $this->error = "A feed could not be found at $this->feed_url. This does not appear to be a valid RSS or Atom feed."; + SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__); + return false; + } + } + } + } + + if (isset($parser)) + { + // We have an error, just set SimplePie_Misc::error to it and quit + $this->error = sprintf('This XML document is invalid, likely due to invalid characters. XML error: %s at line %d, column %d', $parser->get_error_string(), $parser->get_current_line(), $parser->get_current_column()); + } + else + { + $this->error = 'The data could not be converted to UTF-8. You MUST have either the iconv or mbstring extension installed. Upgrading to PHP 5.x (which includes iconv) is highly recommended.'; + } + + SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__); + + return false; + } + elseif (!empty($this->multifeed_url)) + { + $i = 0; + $success = 0; + $this->multifeed_objects = array(); + foreach ($this->multifeed_url as $url) + { + $this->multifeed_objects[$i] = clone $this; + $this->multifeed_objects[$i]->set_feed_url($url); + $success |= $this->multifeed_objects[$i]->init(); + $i++; + } + return (bool) $success; + } + else + { + return false; + } + } + + /** + * Return the error message for the occured error + * + * @access public + * @return string Error message + */ + public function error() + { + return $this->error; + } + + public function get_encoding() + { + return $this->sanitize->output_encoding; + } + + public function handle_content_type($mime = 'text/html') + { + if (!headers_sent()) + { + $header = "Content-type: $mime;"; + if ($this->get_encoding()) + { + $header .= ' charset=' . $this->get_encoding(); + } + else + { + $header .= ' charset=UTF-8'; + } + header($header); + } + } + + public function get_type() + { + if (!isset($this->data['type'])) + { + $this->data['type'] = SIMPLEPIE_TYPE_ALL; + if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'])) + { + $this->data['type'] &= SIMPLEPIE_TYPE_ATOM_10; + } + elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'])) + { + $this->data['type'] &= SIMPLEPIE_TYPE_ATOM_03; + } + elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'])) + { + if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['channel']) + || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['image']) + || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']) + || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['textinput'])) + { + $this->data['type'] &= SIMPLEPIE_TYPE_RSS_10; + } + if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['channel']) + || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['image']) + || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']) + || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['textinput'])) + { + $this->data['type'] &= SIMPLEPIE_TYPE_RSS_090; + } + } + elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'])) + { + $this->data['type'] &= SIMPLEPIE_TYPE_RSS_ALL; + if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version'])) + { + switch (trim($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version'])) + { + case '0.91': + $this->data['type'] &= SIMPLEPIE_TYPE_RSS_091; + if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['skiphours']['hour'][0]['data'])) + { + switch (trim($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['skiphours']['hour'][0]['data'])) + { + case '0': + $this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_NETSCAPE; + break; + + case '24': + $this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_USERLAND; + break; + } + } + break; + + case '0.92': + $this->data['type'] &= SIMPLEPIE_TYPE_RSS_092; + break; + + case '0.93': + $this->data['type'] &= SIMPLEPIE_TYPE_RSS_093; + break; + + case '0.94': + $this->data['type'] &= SIMPLEPIE_TYPE_RSS_094; + break; + + case '2.0': + $this->data['type'] &= SIMPLEPIE_TYPE_RSS_20; + break; + } + } + } + else + { + $this->data['type'] = SIMPLEPIE_TYPE_NONE; + } + } + return $this->data['type']; + } + + /** + * @todo If we have a perm redirect we should return the new URL + * @todo When we make the above change, let's support as well + * @todo Also, |atom:link|@rel=self + */ + public function subscribe_url() + { + if ($this->feed_url !== null) + { + return $this->sanitize($this->feed_url, SIMPLEPIE_CONSTRUCT_IRI); + } + else + { + return null; + } + } + + public function get_feed_tags($namespace, $tag) + { + $type = $this->get_type(); + if ($type & SIMPLEPIE_TYPE_ATOM_10) + { + if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['child'][$namespace][$tag])) + { + return $this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['child'][$namespace][$tag]; + } + } + if ($type & SIMPLEPIE_TYPE_ATOM_03) + { + if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['child'][$namespace][$tag])) + { + return $this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['child'][$namespace][$tag]; + } + } + if ($type & SIMPLEPIE_TYPE_RSS_RDF) + { + if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][$namespace][$tag])) + { + return $this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][$namespace][$tag]; + } + } + if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION) + { + if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][$namespace][$tag])) + { + return $this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][$namespace][$tag]; + } + } + return null; + } + + public function get_channel_tags($namespace, $tag) + { + $type = $this->get_type(); + if ($type & SIMPLEPIE_TYPE_ATOM_ALL) + { + if ($return = $this->get_feed_tags($namespace, $tag)) + { + return $return; + } + } + if ($type & SIMPLEPIE_TYPE_RSS_10) + { + if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'channel')) + { + if (isset($channel[0]['child'][$namespace][$tag])) + { + return $channel[0]['child'][$namespace][$tag]; + } + } + } + if ($type & SIMPLEPIE_TYPE_RSS_090) + { + if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'channel')) + { + if (isset($channel[0]['child'][$namespace][$tag])) + { + return $channel[0]['child'][$namespace][$tag]; + } + } + } + if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION) + { + if ($channel = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'channel')) + { + if (isset($channel[0]['child'][$namespace][$tag])) + { + return $channel[0]['child'][$namespace][$tag]; + } + } + } + return null; + } + + public function get_image_tags($namespace, $tag) + { + $type = $this->get_type(); + if ($type & SIMPLEPIE_TYPE_RSS_10) + { + if ($image = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'image')) + { + if (isset($image[0]['child'][$namespace][$tag])) + { + return $image[0]['child'][$namespace][$tag]; + } + } + } + if ($type & SIMPLEPIE_TYPE_RSS_090) + { + if ($image = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'image')) + { + if (isset($image[0]['child'][$namespace][$tag])) + { + return $image[0]['child'][$namespace][$tag]; + } + } + } + if ($type & SIMPLEPIE_TYPE_RSS_SYNDICATION) + { + if ($image = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'image')) + { + if (isset($image[0]['child'][$namespace][$tag])) + { + return $image[0]['child'][$namespace][$tag]; + } + } + } + return null; + } + + public function get_base($element = array()) + { + if (!($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION) && !empty($element['xml_base_explicit']) && isset($element['xml_base'])) + { + return $element['xml_base']; + } + elseif ($this->get_link() !== null) + { + return $this->get_link(); + } + else + { + return $this->subscribe_url(); + } + } + + public function sanitize($data, $type, $base = '') + { + return $this->sanitize->sanitize($data, $type, $base); + } + + public function get_title() + { + if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title')) + { + return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title')) + { + return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + return null; + } + } + + public function get_category($key = 0) + { + $categories = $this->get_categories(); + if (isset($categories[$key])) + { + return $categories[$key]; + } + else + { + return null; + } + } + + public function get_categories() + { + $categories = array(); + + foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category) + { + $term = null; + $scheme = null; + $label = null; + if (isset($category['attribs']['']['term'])) + { + $term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['scheme'])) + { + $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['label'])) + { + $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories[] = new $this->category_class($term, $scheme, $label); + } + foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category) + { + // This is really the label, but keep this as the term also for BC. + // Label will also work on retrieving because that falls back to term. + $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); + if (isset($category['attribs']['']['domain'])) + { + $scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $scheme = null; + } + $categories[] = new $this->category_class($term, $scheme, null); + } + foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category) + { + $categories[] = new $this->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null); + } + foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category) + { + $categories[] = new $this->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null); + } + + if (!empty($categories)) + { + return SimplePie_Misc::array_unique($categories); + } + else + { + return null; + } + } + + public function get_author($key = 0) + { + $authors = $this->get_authors(); + if (isset($authors[$key])) + { + return $authors[$key]; + } + else + { + return null; + } + } + + public function get_authors() + { + $authors = array(); + foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author) + { + $name = null; + $uri = null; + $email = null; + if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) + { + $name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) + { + $uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0])); + } + if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) + { + $email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $uri !== null) + { + $authors[] = new $this->author_class($name, $uri, $email); + } + } + if ($author = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author')) + { + $name = null; + $url = null; + $email = null; + if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) + { + $name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) + { + $url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0])); + } + if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) + { + $email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $url !== null) + { + $authors[] = new $this->author_class($name, $url, $email); + } + } + foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author) + { + $authors[] = new $this->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null); + } + foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author) + { + $authors[] = new $this->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null); + } + foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author) + { + $authors[] = new $this->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null); + } + + if (!empty($authors)) + { + return SimplePie_Misc::array_unique($authors); + } + else + { + return null; + } + } + + public function get_contributor($key = 0) + { + $contributors = $this->get_contributors(); + if (isset($contributors[$key])) + { + return $contributors[$key]; + } + else + { + return null; + } + } + + public function get_contributors() + { + $contributors = array(); + foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor) + { + $name = null; + $uri = null; + $email = null; + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) + { + $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) + { + $uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0])); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) + { + $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $uri !== null) + { + $contributors[] = new $this->author_class($name, $uri, $email); + } + } + foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor) + { + $name = null; + $url = null; + $email = null; + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) + { + $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) + { + $url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0])); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) + { + $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $url !== null) + { + $contributors[] = new $this->author_class($name, $url, $email); + } + } + + if (!empty($contributors)) + { + return SimplePie_Misc::array_unique($contributors); + } + else + { + return null; + } + } + + public function get_link($key = 0, $rel = 'alternate') + { + $links = $this->get_links($rel); + if (isset($links[$key])) + { + return $links[$key]; + } + else + { + return null; + } + } + + /** + * Added for parity between the parent-level and the item/entry-level. + */ + public function get_permalink() + { + return $this->get_link(0); + } + + public function get_links($rel = 'alternate') + { + if (!isset($this->data['links'])) + { + $this->data['links'] = array(); + if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link')) + { + foreach ($links as $link) + { + if (isset($link['attribs']['']['href'])) + { + $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; + $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); + } + } + } + if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link')) + { + foreach ($links as $link) + { + if (isset($link['attribs']['']['href'])) + { + $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; + $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); + + } + } + } + if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link')) + { + $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); + } + if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link')) + { + $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); + } + if ($links = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link')) + { + $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); + } + + $keys = array_keys($this->data['links']); + foreach ($keys as $key) + { + if (SimplePie_Misc::is_isegment_nz_nc($key)) + { + if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key])) + { + $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]); + $this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]; + } + else + { + $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key]; + } + } + elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY) + { + $this->data['links'][substr($key, 41)] =& $this->data['links'][$key]; + } + $this->data['links'][$key] = array_unique($this->data['links'][$key]); + } + } + + if (isset($this->data['links'][$rel])) + { + return $this->data['links'][$rel]; + } + else + { + return null; + } + } + + public function get_all_discovered_feeds() + { + return $this->all_discovered_feeds; + } + + public function get_description() + { + if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle')) + { + return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline')) + { + return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0])); + } + else + { + return null; + } + } + + public function get_copyright() + { + if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights')) + { + return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright')) + { + return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + return null; + } + } + + public function get_language() + { + if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['xml_lang'])) + { + return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['xml_lang'])) + { + return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['xml_lang'])) + { + return $this->sanitize($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif (isset($this->data['headers']['content-language'])) + { + return $this->sanitize($this->data['headers']['content-language'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + return null; + } + } + + public function get_latitude() + { + + if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat')) + { + return (float) $return[0]['data']; + } + elseif (($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) + { + return (float) $match[1]; + } + else + { + return null; + } + } + + public function get_longitude() + { + if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long')) + { + return (float) $return[0]['data']; + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon')) + { + return (float) $return[0]['data']; + } + elseif (($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) + { + return (float) $match[2]; + } + else + { + return null; + } + } + + public function get_image_title() + { + if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + return null; + } + } + + public function get_image_url() + { + if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image')) + { + return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0])); + } + elseif ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0])); + } + elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'url')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0])); + } + elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'url')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0])); + } + elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0])); + } + else + { + return null; + } + } + + public function get_image_link() + { + if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0])); + } + elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0])); + } + elseif ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0])); + } + else + { + return null; + } + } + + public function get_image_width() + { + if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'width')) + { + return round($return[0]['data']); + } + elseif ($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION && $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url')) + { + return 88.0; + } + else + { + return null; + } + } + + public function get_image_height() + { + if ($return = $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'height')) + { + return round($return[0]['data']); + } + elseif ($this->get_type() & SIMPLEPIE_TYPE_RSS_SYNDICATION && $this->get_image_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'url')) + { + return 31.0; + } + else + { + return null; + } + } + + public function get_item_quantity($max = 0) + { + $max = (int) $max; + $qty = count($this->get_items()); + if ($max === 0) + { + return $qty; + } + else + { + return ($qty > $max) ? $max : $qty; + } + } + + public function get_item($key = 0) + { + $items = $this->get_items(); + if (isset($items[$key])) + { + return $items[$key]; + } + else + { + return null; + } + } + + public function get_items($start = 0, $end = 0) + { + if (!isset($this->data['items'])) + { + if (!empty($this->multifeed_objects)) + { + $this->data['items'] = SimplePie::merge_items($this->multifeed_objects, $start, $end, $this->item_limit); + } + else + { + $this->data['items'] = array(); + if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'entry')) + { + $keys = array_keys($items); + foreach ($keys as $key) + { + $this->data['items'][] = new $this->item_class($this, $items[$key]); + } + } + if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'entry')) + { + $keys = array_keys($items); + foreach ($keys as $key) + { + $this->data['items'][] = new $this->item_class($this, $items[$key]); + } + } + if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'item')) + { + $keys = array_keys($items); + foreach ($keys as $key) + { + $this->data['items'][] = new $this->item_class($this, $items[$key]); + } + } + if ($items = $this->get_feed_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'item')) + { + $keys = array_keys($items); + foreach ($keys as $key) + { + $this->data['items'][] = new $this->item_class($this, $items[$key]); + } + } + if ($items = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'item')) + { + $keys = array_keys($items); + foreach ($keys as $key) + { + $this->data['items'][] = new $this->item_class($this, $items[$key]); + } + } + } + } + + if (!empty($this->data['items'])) + { + // If we want to order it by date, check if all items have a date, and then sort it + if ($this->order_by_date && empty($this->multifeed_objects)) + { + if (!isset($this->data['ordered_items'])) + { + $do_sort = true; + foreach ($this->data['items'] as $item) + { + if (!$item->get_date('U')) + { + $do_sort = false; + break; + } + } + $item = null; + $this->data['ordered_items'] = $this->data['items']; + if ($do_sort) + { + usort($this->data['ordered_items'], array(&$this, 'sort_items')); + } + } + $items = $this->data['ordered_items']; + } + else + { + $items = $this->data['items']; + } + + // Slice the data as desired + if ($end === 0) + { + return array_slice($items, $start); + } + else + { + return array_slice($items, $start, $end); + } + } + else + { + return array(); + } + } + + /** + * @static + */ + public function sort_items($a, $b) + { + return $a->get_date('U') <= $b->get_date('U'); + } + + /** + * @static + */ + public function merge_items($urls, $start = 0, $end = 0, $limit = 0) + { + if (is_array($urls) && sizeof($urls) > 0) + { + $items = array(); + foreach ($urls as $arg) + { + if (is_a($arg, 'SimplePie')) + { + $items = array_merge($items, $arg->get_items(0, $limit)); + } + else + { + trigger_error('Arguments must be SimplePie objects', E_USER_WARNING); + } + } + + $do_sort = true; + foreach ($items as $item) + { + if (!$item->get_date('U')) + { + $do_sort = false; + break; + } + } + $item = null; + if ($do_sort) + { + usort($items, array('SimplePie', 'sort_items')); + } + + if ($end === 0) + { + return array_slice($items, $start); + } + else + { + return array_slice($items, $start, $end); + } + } + else + { + trigger_error('Cannot merge zero SimplePie objects', E_USER_WARNING); + return array(); + } + } +} + +class SimplePie_Item +{ + var $feed; + var $data = array(); + + public function __construct($feed, $data) + { + $this->feed = $feed; + $this->data = $data; + } + + public function __toString() + { + return md5(serialize($this->data)); + } + + /** + * Remove items that link back to this before destroying this object + */ + public function __destruct() + { + if ((version_compare(PHP_VERSION, '5.3', '<') || !gc_enabled()) && !ini_get('zend.ze1_compatibility_mode')) + { + unset($this->feed); + } + } + + public function get_item_tags($namespace, $tag) + { + if (isset($this->data['child'][$namespace][$tag])) + { + return $this->data['child'][$namespace][$tag]; + } + else + { + return null; + } + } + + public function get_base($element = array()) + { + return $this->feed->get_base($element); + } + + public function sanitize($data, $type, $base = '') + { + return $this->feed->sanitize($data, $type, $base); + } + + public function get_feed() + { + return $this->feed; + } + + public function get_id($hash = false) + { + if (!$hash) + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'id')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'id')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'guid')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'identifier')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'identifier')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif (($return = $this->get_permalink()) !== null) + { + return $return; + } + elseif (($return = $this->get_title()) !== null) + { + return $return; + } + } + if ($this->get_permalink() !== null || $this->get_title() !== null) + { + return md5($this->get_permalink() . $this->get_title()); + } + else + { + return md5(serialize($this->data)); + } + } + + public function get_title() + { + if (!isset($this->data['title'])) + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title')) + { + $this->data['title'] = $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title')) + { + $this->data['title'] = $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title')) + { + $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title')) + { + $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title')) + { + $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title')) + { + $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title')) + { + $this->data['title'] = $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $this->data['title'] = null; + } + } + return $this->data['title']; + } + + public function get_description($description_only = false) + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'summary')) + { + return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'summary')) + { + return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML); + } + + elseif (!$description_only) + { + return $this->get_content(true); + } + else + { + return null; + } + } + + public function get_content($content_only = false) + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'content')) + { + return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_content_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'content')) + { + return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT, 'encoded')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0])); + } + elseif (!$content_only) + { + return $this->get_description(true); + } + else + { + return null; + } + } + + public function get_category($key = 0) + { + $categories = $this->get_categories(); + if (isset($categories[$key])) + { + return $categories[$key]; + } + else + { + return null; + } + } + + public function get_categories() + { + $categories = array(); + + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category) + { + $term = null; + $scheme = null; + $label = null; + if (isset($category['attribs']['']['term'])) + { + $term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['scheme'])) + { + $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['label'])) + { + $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories[] = new $this->feed->category_class($term, $scheme, $label); + } + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category) + { + // This is really the label, but keep this as the term also for BC. + // Label will also work on retrieving because that falls back to term. + $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); + if (isset($category['attribs']['']['domain'])) + { + $scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $scheme = null; + } + $categories[] = new $this->feed->category_class($term, $scheme, null); + } + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category) + { + $categories[] = new $this->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null); + } + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category) + { + $categories[] = new $this->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null); + } + + if (!empty($categories)) + { + return SimplePie_Misc::array_unique($categories); + } + else + { + return null; + } + } + + public function get_author($key = 0) + { + $authors = $this->get_authors(); + if (isset($authors[$key])) + { + return $authors[$key]; + } + else + { + return null; + } + } + + public function get_contributor($key = 0) + { + $contributors = $this->get_contributors(); + if (isset($contributors[$key])) + { + return $contributors[$key]; + } + else + { + return null; + } + } + + public function get_contributors() + { + $contributors = array(); + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor) + { + $name = null; + $uri = null; + $email = null; + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) + { + $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) + { + $uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0])); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) + { + $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $uri !== null) + { + $contributors[] = new $this->feed->author_class($name, $uri, $email); + } + } + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor) + { + $name = null; + $url = null; + $email = null; + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) + { + $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) + { + $url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0])); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) + { + $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $url !== null) + { + $contributors[] = new $this->feed->author_class($name, $url, $email); + } + } + + if (!empty($contributors)) + { + return SimplePie_Misc::array_unique($contributors); + } + else + { + return null; + } + } + + public function get_authors() + { + $authors = array(); + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author) + { + $name = null; + $uri = null; + $email = null; + if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) + { + $name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) + { + $uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0])); + } + if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) + { + $email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $uri !== null) + { + $authors[] = new $this->feed->author_class($name, $uri, $email); + } + } + if ($author = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author')) + { + $name = null; + $url = null; + $email = null; + if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) + { + $name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) + { + $url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0])); + } + if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) + { + $email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $url !== null) + { + $authors[] = new $this->feed->author_class($name, $url, $email); + } + } + if ($author = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'author')) + { + $authors[] = new $this->feed->author_class(null, null, $this->sanitize($author[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); + } + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author) + { + $authors[] = new $this->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null); + } + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author) + { + $authors[] = new $this->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null); + } + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author) + { + $authors[] = new $this->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null); + } + + if (!empty($authors)) + { + return SimplePie_Misc::array_unique($authors); + } + elseif (($source = $this->get_source()) && ($authors = $source->get_authors())) + { + return $authors; + } + elseif ($authors = $this->feed->get_authors()) + { + return $authors; + } + else + { + return null; + } + } + + public function get_copyright() + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights')) + { + return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + return null; + } + } + + public function get_date($date_format = 'j F Y, g:i a') + { + if (!isset($this->data['date'])) + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'published')) + { + $this->data['date']['raw'] = $return[0]['data']; + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'updated')) + { + $this->data['date']['raw'] = $return[0]['data']; + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'issued')) + { + $this->data['date']['raw'] = $return[0]['data']; + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'created')) + { + $this->data['date']['raw'] = $return[0]['data']; + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'modified')) + { + $this->data['date']['raw'] = $return[0]['data']; + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'pubDate')) + { + $this->data['date']['raw'] = $return[0]['data']; + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_11, 'date')) + { + $this->data['date']['raw'] = $return[0]['data']; + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_DC_10, 'date')) + { + $this->data['date']['raw'] = $return[0]['data']; + } + + if (!empty($this->data['date']['raw'])) + { + $parser = SimplePie_Parse_Date::get(); + $this->data['date']['parsed'] = $parser->parse($this->data['date']['raw']); + } + else + { + $this->data['date'] = null; + } + } + if ($this->data['date']) + { + $date_format = (string) $date_format; + switch ($date_format) + { + case '': + return $this->sanitize($this->data['date']['raw'], SIMPLEPIE_CONSTRUCT_TEXT); + + case 'U': + return $this->data['date']['parsed']; + + default: + return date($date_format, $this->data['date']['parsed']); + } + } + else + { + return null; + } + } + + public function get_local_date($date_format = '%c') + { + if (!$date_format) + { + return $this->sanitize($this->get_date(''), SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif (($date = $this->get_date('U')) !== null && $date !== false) + { + return strftime($date_format, $date); + } + else + { + return null; + } + } + + public function get_permalink() + { + $link = $this->get_link(); + $enclosure = $this->get_enclosure(0); + if ($link !== null) + { + return $link; + } + elseif ($enclosure !== null) + { + return $enclosure->get_link(); + } + else + { + return null; + } + } + + public function get_link($key = 0, $rel = 'alternate') + { + $links = $this->get_links($rel); + if ($links[$key] !== null) + { + return $links[$key]; + } + else + { + return null; + } + } + + public function get_links($rel = 'alternate') + { + if (!isset($this->data['links'])) + { + $this->data['links'] = array(); + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link') as $link) + { + if (isset($link['attribs']['']['href'])) + { + $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; + $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); + + } + } + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link') as $link) + { + if (isset($link['attribs']['']['href'])) + { + $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; + $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); + } + } + if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link')) + { + $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); + } + if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link')) + { + $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); + } + if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link')) + { + $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); + } + if ($links = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'guid')) + { + if (!isset($links[0]['attribs']['']['isPermaLink']) || strtolower(trim($links[0]['attribs']['']['isPermaLink'])) === 'true') + { + $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); + } + } + + $keys = array_keys($this->data['links']); + foreach ($keys as $key) + { + if (SimplePie_Misc::is_isegment_nz_nc($key)) + { + if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key])) + { + $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]); + $this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]; + } + else + { + $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key]; + } + } + elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY) + { + $this->data['links'][substr($key, 41)] =& $this->data['links'][$key]; + } + $this->data['links'][$key] = array_unique($this->data['links'][$key]); + } + } + if (isset($this->data['links'][$rel])) + { + return $this->data['links'][$rel]; + } + else + { + return null; + } + } + + /** + * @todo Add ability to prefer one type of content over another (in a media group). + */ + public function get_enclosure($key = 0, $prefer = null) + { + $enclosures = $this->get_enclosures(); + if (isset($enclosures[$key])) + { + return $enclosures[$key]; + } + else + { + return null; + } + } + + /** + * Grabs all available enclosures (podcasts, etc.) + * + * Supports the RSS tag, as well as Media RSS and iTunes RSS. + * + * At this point, we're pretty much assuming that all enclosures for an item are the same content. Anything else is too complicated to properly support. + * + * @todo Add support for end-user defined sorting of enclosures by type/handler (so we can prefer the faster-loading FLV over MP4). + * @todo If an element exists at a level, but it's value is empty, we should fall back to the value from the parent (if it exists). + */ + public function get_enclosures() + { + if (!isset($this->data['enclosures'])) + { + $this->data['enclosures'] = array(); + + // Elements + $captions_parent = null; + $categories_parent = null; + $copyrights_parent = null; + $credits_parent = null; + $description_parent = null; + $duration_parent = null; + $hashes_parent = null; + $keywords_parent = null; + $player_parent = null; + $ratings_parent = null; + $restrictions_parent = null; + $thumbnails_parent = null; + $title_parent = null; + + // Let's do the channel and item-level ones first, and just re-use them if we need to. + $parent = $this->get_feed(); + + // CAPTIONS + if ($captions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text')) + { + foreach ($captions as $caption) + { + $caption_type = null; + $caption_lang = null; + $caption_startTime = null; + $caption_endTime = null; + $caption_text = null; + if (isset($caption['attribs']['']['type'])) + { + $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['lang'])) + { + $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['start'])) + { + $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['end'])) + { + $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['data'])) + { + $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $captions_parent[] = new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text); + } + } + elseif ($captions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'text')) + { + foreach ($captions as $caption) + { + $caption_type = null; + $caption_lang = null; + $caption_startTime = null; + $caption_endTime = null; + $caption_text = null; + if (isset($caption['attribs']['']['type'])) + { + $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['lang'])) + { + $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['start'])) + { + $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['end'])) + { + $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['data'])) + { + $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $captions_parent[] = new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text); + } + } + if (is_array($captions_parent)) + { + $captions_parent = array_values(SimplePie_Misc::array_unique($captions_parent)); + } + + // CATEGORIES + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'category') as $category) + { + $term = null; + $scheme = null; + $label = null; + if (isset($category['data'])) + { + $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['scheme'])) + { + $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $scheme = 'http://search.yahoo.com/mrss/category_schema'; + } + if (isset($category['attribs']['']['label'])) + { + $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories_parent[] = new $this->feed->category_class($term, $scheme, $label); + } + foreach ((array) $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'category') as $category) + { + $term = null; + $scheme = null; + $label = null; + if (isset($category['data'])) + { + $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['scheme'])) + { + $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $scheme = 'http://search.yahoo.com/mrss/category_schema'; + } + if (isset($category['attribs']['']['label'])) + { + $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories_parent[] = new $this->feed->category_class($term, $scheme, $label); + } + foreach ((array) $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'category') as $category) + { + $term = null; + $scheme = 'http://www.itunes.com/dtds/podcast-1.0.dtd'; + $label = null; + if (isset($category['attribs']['']['text'])) + { + $label = $this->sanitize($category['attribs']['']['text'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories_parent[] = new $this->feed->category_class($term, $scheme, $label); + + if (isset($category['child'][SIMPLEPIE_NAMESPACE_ITUNES]['category'])) + { + foreach ((array) $category['child'][SIMPLEPIE_NAMESPACE_ITUNES]['category'] as $subcategory) + { + if (isset($subcategory['attribs']['']['text'])) + { + $label = $this->sanitize($subcategory['attribs']['']['text'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories_parent[] = new $this->feed->category_class($term, $scheme, $label); + } + } + } + if (is_array($categories_parent)) + { + $categories_parent = array_values(SimplePie_Misc::array_unique($categories_parent)); + } + + // COPYRIGHT + if ($copyright = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'copyright')) + { + $copyright_url = null; + $copyright_label = null; + if (isset($copyright[0]['attribs']['']['url'])) + { + $copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($copyright[0]['data'])) + { + $copyright_label = $this->sanitize($copyright[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $copyrights_parent = new $this->feed->copyright_class($copyright_url, $copyright_label); + } + elseif ($copyright = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'copyright')) + { + $copyright_url = null; + $copyright_label = null; + if (isset($copyright[0]['attribs']['']['url'])) + { + $copyright_url = $this->sanitize($copyright[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($copyright[0]['data'])) + { + $copyright_label = $this->sanitize($copyright[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $copyrights_parent = new $this->feed->copyright_class($copyright_url, $copyright_label); + } + + // CREDITS + if ($credits = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'credit')) + { + foreach ($credits as $credit) + { + $credit_role = null; + $credit_scheme = null; + $credit_name = null; + if (isset($credit['attribs']['']['role'])) + { + $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($credit['attribs']['']['scheme'])) + { + $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $credit_scheme = 'urn:ebu'; + } + if (isset($credit['data'])) + { + $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $credits_parent[] = new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name); + } + } + elseif ($credits = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'credit')) + { + foreach ($credits as $credit) + { + $credit_role = null; + $credit_scheme = null; + $credit_name = null; + if (isset($credit['attribs']['']['role'])) + { + $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($credit['attribs']['']['scheme'])) + { + $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $credit_scheme = 'urn:ebu'; + } + if (isset($credit['data'])) + { + $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $credits_parent[] = new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name); + } + } + if (is_array($credits_parent)) + { + $credits_parent = array_values(SimplePie_Misc::array_unique($credits_parent)); + } + + // DESCRIPTION + if ($description_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'description')) + { + if (isset($description_parent[0]['data'])) + { + $description_parent = $this->sanitize($description_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + } + elseif ($description_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'description')) + { + if (isset($description_parent[0]['data'])) + { + $description_parent = $this->sanitize($description_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + } + + // DURATION + if ($duration_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'duration')) + { + $seconds = null; + $minutes = null; + $hours = null; + if (isset($duration_parent[0]['data'])) + { + $temp = explode(':', $this->sanitize($duration_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); + if (sizeof($temp) > 0) + { + $seconds = (int) array_pop($temp); + } + if (sizeof($temp) > 0) + { + $minutes = (int) array_pop($temp); + $seconds += $minutes * 60; + } + if (sizeof($temp) > 0) + { + $hours = (int) array_pop($temp); + $seconds += $hours * 3600; + } + unset($temp); + $duration_parent = $seconds; + } + } + + // HASHES + if ($hashes_iterator = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'hash')) + { + foreach ($hashes_iterator as $hash) + { + $value = null; + $algo = null; + if (isset($hash['data'])) + { + $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($hash['attribs']['']['algo'])) + { + $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $algo = 'md5'; + } + $hashes_parent[] = $algo.':'.$value; + } + } + elseif ($hashes_iterator = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'hash')) + { + foreach ($hashes_iterator as $hash) + { + $value = null; + $algo = null; + if (isset($hash['data'])) + { + $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($hash['attribs']['']['algo'])) + { + $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $algo = 'md5'; + } + $hashes_parent[] = $algo.':'.$value; + } + } + if (is_array($hashes_parent)) + { + $hashes_parent = array_values(SimplePie_Misc::array_unique($hashes_parent)); + } + + // KEYWORDS + if ($keywords = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'keywords')) + { + if (isset($keywords[0]['data'])) + { + $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); + foreach ($temp as $word) + { + $keywords_parent[] = trim($word); + } + } + unset($temp); + } + elseif ($keywords = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'keywords')) + { + if (isset($keywords[0]['data'])) + { + $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); + foreach ($temp as $word) + { + $keywords_parent[] = trim($word); + } + } + unset($temp); + } + elseif ($keywords = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'keywords')) + { + if (isset($keywords[0]['data'])) + { + $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); + foreach ($temp as $word) + { + $keywords_parent[] = trim($word); + } + } + unset($temp); + } + elseif ($keywords = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'keywords')) + { + if (isset($keywords[0]['data'])) + { + $temp = explode(',', $this->sanitize($keywords[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); + foreach ($temp as $word) + { + $keywords_parent[] = trim($word); + } + } + unset($temp); + } + if (is_array($keywords_parent)) + { + $keywords_parent = array_values(SimplePie_Misc::array_unique($keywords_parent)); + } + + // PLAYER + if ($player_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'player')) + { + if (isset($player_parent[0]['attribs']['']['url'])) + { + $player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + } + elseif ($player_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'player')) + { + if (isset($player_parent[0]['attribs']['']['url'])) + { + $player_parent = $this->sanitize($player_parent[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + } + + // RATINGS + if ($ratings = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'rating')) + { + foreach ($ratings as $rating) + { + $rating_scheme = null; + $rating_value = null; + if (isset($rating['attribs']['']['scheme'])) + { + $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $rating_scheme = 'urn:simple'; + } + if (isset($rating['data'])) + { + $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $ratings_parent[] = new $this->feed->rating_class($rating_scheme, $rating_value); + } + } + elseif ($ratings = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'explicit')) + { + foreach ($ratings as $rating) + { + $rating_scheme = 'urn:itunes'; + $rating_value = null; + if (isset($rating['data'])) + { + $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $ratings_parent[] = new $this->feed->rating_class($rating_scheme, $rating_value); + } + } + elseif ($ratings = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'rating')) + { + foreach ($ratings as $rating) + { + $rating_scheme = null; + $rating_value = null; + if (isset($rating['attribs']['']['scheme'])) + { + $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $rating_scheme = 'urn:simple'; + } + if (isset($rating['data'])) + { + $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $ratings_parent[] = new $this->feed->rating_class($rating_scheme, $rating_value); + } + } + elseif ($ratings = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'explicit')) + { + foreach ($ratings as $rating) + { + $rating_scheme = 'urn:itunes'; + $rating_value = null; + if (isset($rating['data'])) + { + $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $ratings_parent[] = new $this->feed->rating_class($rating_scheme, $rating_value); + } + } + if (is_array($ratings_parent)) + { + $ratings_parent = array_values(SimplePie_Misc::array_unique($ratings_parent)); + } + + // RESTRICTIONS + if ($restrictions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'restriction')) + { + foreach ($restrictions as $restriction) + { + $restriction_relationship = null; + $restriction_type = null; + $restriction_value = null; + if (isset($restriction['attribs']['']['relationship'])) + { + $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['attribs']['']['type'])) + { + $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['data'])) + { + $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $restrictions_parent[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value); + } + } + elseif ($restrictions = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'block')) + { + foreach ($restrictions as $restriction) + { + $restriction_relationship = 'allow'; + $restriction_type = null; + $restriction_value = 'itunes'; + if (isset($restriction['data']) && strtolower($restriction['data']) === 'yes') + { + $restriction_relationship = 'deny'; + } + $restrictions_parent[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value); + } + } + elseif ($restrictions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'restriction')) + { + foreach ($restrictions as $restriction) + { + $restriction_relationship = null; + $restriction_type = null; + $restriction_value = null; + if (isset($restriction['attribs']['']['relationship'])) + { + $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['attribs']['']['type'])) + { + $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['data'])) + { + $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $restrictions_parent[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value); + } + } + elseif ($restrictions = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'block')) + { + foreach ($restrictions as $restriction) + { + $restriction_relationship = 'allow'; + $restriction_type = null; + $restriction_value = 'itunes'; + if (isset($restriction['data']) && strtolower($restriction['data']) === 'yes') + { + $restriction_relationship = 'deny'; + } + $restrictions_parent[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value); + } + } + if (is_array($restrictions_parent)) + { + $restrictions_parent = array_values(SimplePie_Misc::array_unique($restrictions_parent)); + } + + // THUMBNAILS + if ($thumbnails = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail')) + { + foreach ($thumbnails as $thumbnail) + { + if (isset($thumbnail['attribs']['']['url'])) + { + $thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + } + } + elseif ($thumbnails = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'thumbnail')) + { + foreach ($thumbnails as $thumbnail) + { + if (isset($thumbnail['attribs']['']['url'])) + { + $thumbnails_parent[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + } + } + + // TITLES + if ($title_parent = $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'title')) + { + if (isset($title_parent[0]['data'])) + { + $title_parent = $this->sanitize($title_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + } + elseif ($title_parent = $parent->get_channel_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'title')) + { + if (isset($title_parent[0]['data'])) + { + $title_parent = $this->sanitize($title_parent[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + } + + // Clear the memory + unset($parent); + + // Attributes + $bitrate = null; + $channels = null; + $duration = null; + $expression = null; + $framerate = null; + $height = null; + $javascript = null; + $lang = null; + $length = null; + $medium = null; + $samplingrate = null; + $type = null; + $url = null; + $width = null; + + // Elements + $captions = null; + $categories = null; + $copyrights = null; + $credits = null; + $description = null; + $hashes = null; + $keywords = null; + $player = null; + $ratings = null; + $restrictions = null; + $thumbnails = null; + $title = null; + + // If we have media:group tags, loop through them. + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_MEDIARSS, 'group') as $group) + { + if(isset($group['child']) && isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'])) + { + // If we have media:content tags, loop through them. + foreach ((array) $group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'] as $content) + { + if (isset($content['attribs']['']['url'])) + { + // Attributes + $bitrate = null; + $channels = null; + $duration = null; + $expression = null; + $framerate = null; + $height = null; + $javascript = null; + $lang = null; + $length = null; + $medium = null; + $samplingrate = null; + $type = null; + $url = null; + $width = null; + + // Elements + $captions = null; + $categories = null; + $copyrights = null; + $credits = null; + $description = null; + $hashes = null; + $keywords = null; + $player = null; + $ratings = null; + $restrictions = null; + $thumbnails = null; + $title = null; + + // Start checking the attributes of media:content + if (isset($content['attribs']['']['bitrate'])) + { + $bitrate = $this->sanitize($content['attribs']['']['bitrate'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['channels'])) + { + $channels = $this->sanitize($content['attribs']['']['channels'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['duration'])) + { + $duration = $this->sanitize($content['attribs']['']['duration'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $duration = $duration_parent; + } + if (isset($content['attribs']['']['expression'])) + { + $expression = $this->sanitize($content['attribs']['']['expression'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['framerate'])) + { + $framerate = $this->sanitize($content['attribs']['']['framerate'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['height'])) + { + $height = $this->sanitize($content['attribs']['']['height'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['lang'])) + { + $lang = $this->sanitize($content['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['fileSize'])) + { + $length = ceil($content['attribs']['']['fileSize']); + } + if (isset($content['attribs']['']['medium'])) + { + $medium = $this->sanitize($content['attribs']['']['medium'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['samplingrate'])) + { + $samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['type'])) + { + $type = $this->sanitize($content['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['width'])) + { + $width = $this->sanitize($content['attribs']['']['width'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $url = $this->sanitize($content['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + + // Checking the other optional media: elements. Priority: media:content, media:group, item, channel + + // CAPTIONS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption) + { + $caption_type = null; + $caption_lang = null; + $caption_startTime = null; + $caption_endTime = null; + $caption_text = null; + if (isset($caption['attribs']['']['type'])) + { + $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['lang'])) + { + $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['start'])) + { + $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['end'])) + { + $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['data'])) + { + $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $captions[] = new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text); + } + if (is_array($captions)) + { + $captions = array_values(SimplePie_Misc::array_unique($captions)); + } + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'])) + { + foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption) + { + $caption_type = null; + $caption_lang = null; + $caption_startTime = null; + $caption_endTime = null; + $caption_text = null; + if (isset($caption['attribs']['']['type'])) + { + $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['lang'])) + { + $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['start'])) + { + $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['end'])) + { + $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['data'])) + { + $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $captions[] = new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text); + } + if (is_array($captions)) + { + $captions = array_values(SimplePie_Misc::array_unique($captions)); + } + } + else + { + $captions = $captions_parent; + } + + // CATEGORIES + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'])) + { + foreach ((array) $content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category) + { + $term = null; + $scheme = null; + $label = null; + if (isset($category['data'])) + { + $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['scheme'])) + { + $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $scheme = 'http://search.yahoo.com/mrss/category_schema'; + } + if (isset($category['attribs']['']['label'])) + { + $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories[] = new $this->feed->category_class($term, $scheme, $label); + } + } + if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'])) + { + foreach ((array) $group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category) + { + $term = null; + $scheme = null; + $label = null; + if (isset($category['data'])) + { + $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['scheme'])) + { + $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $scheme = 'http://search.yahoo.com/mrss/category_schema'; + } + if (isset($category['attribs']['']['label'])) + { + $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories[] = new $this->feed->category_class($term, $scheme, $label); + } + } + if (is_array($categories) && is_array($categories_parent)) + { + $categories = array_values(SimplePie_Misc::array_unique(array_merge($categories, $categories_parent))); + } + elseif (is_array($categories)) + { + $categories = array_values(SimplePie_Misc::array_unique($categories)); + } + elseif (is_array($categories_parent)) + { + $categories = array_values(SimplePie_Misc::array_unique($categories_parent)); + } + + // COPYRIGHTS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'])) + { + $copyright_url = null; + $copyright_label = null; + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'])) + { + $copyright_url = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'])) + { + $copyright_label = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $copyrights = new $this->feed->copyright_class($copyright_url, $copyright_label); + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'])) + { + $copyright_url = null; + $copyright_label = null; + if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'])) + { + $copyright_url = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'])) + { + $copyright_label = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $copyrights = new $this->feed->copyright_class($copyright_url, $copyright_label); + } + else + { + $copyrights = $copyrights_parent; + } + + // CREDITS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit) + { + $credit_role = null; + $credit_scheme = null; + $credit_name = null; + if (isset($credit['attribs']['']['role'])) + { + $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($credit['attribs']['']['scheme'])) + { + $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $credit_scheme = 'urn:ebu'; + } + if (isset($credit['data'])) + { + $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $credits[] = new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name); + } + if (is_array($credits)) + { + $credits = array_values(SimplePie_Misc::array_unique($credits)); + } + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'])) + { + foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit) + { + $credit_role = null; + $credit_scheme = null; + $credit_name = null; + if (isset($credit['attribs']['']['role'])) + { + $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($credit['attribs']['']['scheme'])) + { + $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $credit_scheme = 'urn:ebu'; + } + if (isset($credit['data'])) + { + $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $credits[] = new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name); + } + if (is_array($credits)) + { + $credits = array_values(SimplePie_Misc::array_unique($credits)); + } + } + else + { + $credits = $credits_parent; + } + + // DESCRIPTION + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'])) + { + $description = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'])) + { + $description = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $description = $description_parent; + } + + // HASHES + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash) + { + $value = null; + $algo = null; + if (isset($hash['data'])) + { + $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($hash['attribs']['']['algo'])) + { + $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $algo = 'md5'; + } + $hashes[] = $algo.':'.$value; + } + if (is_array($hashes)) + { + $hashes = array_values(SimplePie_Misc::array_unique($hashes)); + } + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'])) + { + foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash) + { + $value = null; + $algo = null; + if (isset($hash['data'])) + { + $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($hash['attribs']['']['algo'])) + { + $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $algo = 'md5'; + } + $hashes[] = $algo.':'.$value; + } + if (is_array($hashes)) + { + $hashes = array_values(SimplePie_Misc::array_unique($hashes)); + } + } + else + { + $hashes = $hashes_parent; + } + + // KEYWORDS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'])) + { + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'])) + { + $temp = explode(',', $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); + foreach ($temp as $word) + { + $keywords[] = trim($word); + } + unset($temp); + } + if (is_array($keywords)) + { + $keywords = array_values(SimplePie_Misc::array_unique($keywords)); + } + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'])) + { + if (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'])) + { + $temp = explode(',', $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); + foreach ($temp as $word) + { + $keywords[] = trim($word); + } + unset($temp); + } + if (is_array($keywords)) + { + $keywords = array_values(SimplePie_Misc::array_unique($keywords)); + } + } + else + { + $keywords = $keywords_parent; + } + + // PLAYER + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'])) + { + $player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'])) + { + $player = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + else + { + $player = $player_parent; + } + + // RATINGS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating) + { + $rating_scheme = null; + $rating_value = null; + if (isset($rating['attribs']['']['scheme'])) + { + $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $rating_scheme = 'urn:simple'; + } + if (isset($rating['data'])) + { + $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $ratings[] = new $this->feed->rating_class($rating_scheme, $rating_value); + } + if (is_array($ratings)) + { + $ratings = array_values(SimplePie_Misc::array_unique($ratings)); + } + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'])) + { + foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating) + { + $rating_scheme = null; + $rating_value = null; + if (isset($rating['attribs']['']['scheme'])) + { + $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $rating_scheme = 'urn:simple'; + } + if (isset($rating['data'])) + { + $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $ratings[] = new $this->feed->rating_class($rating_scheme, $rating_value); + } + if (is_array($ratings)) + { + $ratings = array_values(SimplePie_Misc::array_unique($ratings)); + } + } + else + { + $ratings = $ratings_parent; + } + + // RESTRICTIONS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction) + { + $restriction_relationship = null; + $restriction_type = null; + $restriction_value = null; + if (isset($restriction['attribs']['']['relationship'])) + { + $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['attribs']['']['type'])) + { + $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['data'])) + { + $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $restrictions[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value); + } + if (is_array($restrictions)) + { + $restrictions = array_values(SimplePie_Misc::array_unique($restrictions)); + } + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'])) + { + foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction) + { + $restriction_relationship = null; + $restriction_type = null; + $restriction_value = null; + if (isset($restriction['attribs']['']['relationship'])) + { + $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['attribs']['']['type'])) + { + $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['data'])) + { + $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $restrictions[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value); + } + if (is_array($restrictions)) + { + $restrictions = array_values(SimplePie_Misc::array_unique($restrictions)); + } + } + else + { + $restrictions = $restrictions_parent; + } + + // THUMBNAILS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail) + { + $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + if (is_array($thumbnails)) + { + $thumbnails = array_values(SimplePie_Misc::array_unique($thumbnails)); + } + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'])) + { + foreach ($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail) + { + $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + if (is_array($thumbnails)) + { + $thumbnails = array_values(SimplePie_Misc::array_unique($thumbnails)); + } + } + else + { + $thumbnails = $thumbnails_parent; + } + + // TITLES + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'])) + { + $title = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif (isset($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'])) + { + $title = $this->sanitize($group['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $title = $title_parent; + } + + $this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width); + } + } + } + } + + // If we have standalone media:content tags, loop through them. + if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'])) + { + foreach ((array) $this->data['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['content'] as $content) + { + if (isset($content['attribs']['']['url']) || isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'])) + { + // Attributes + $bitrate = null; + $channels = null; + $duration = null; + $expression = null; + $framerate = null; + $height = null; + $javascript = null; + $lang = null; + $length = null; + $medium = null; + $samplingrate = null; + $type = null; + $url = null; + $width = null; + + // Elements + $captions = null; + $categories = null; + $copyrights = null; + $credits = null; + $description = null; + $hashes = null; + $keywords = null; + $player = null; + $ratings = null; + $restrictions = null; + $thumbnails = null; + $title = null; + + // Start checking the attributes of media:content + if (isset($content['attribs']['']['bitrate'])) + { + $bitrate = $this->sanitize($content['attribs']['']['bitrate'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['channels'])) + { + $channels = $this->sanitize($content['attribs']['']['channels'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['duration'])) + { + $duration = $this->sanitize($content['attribs']['']['duration'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $duration = $duration_parent; + } + if (isset($content['attribs']['']['expression'])) + { + $expression = $this->sanitize($content['attribs']['']['expression'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['framerate'])) + { + $framerate = $this->sanitize($content['attribs']['']['framerate'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['height'])) + { + $height = $this->sanitize($content['attribs']['']['height'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['lang'])) + { + $lang = $this->sanitize($content['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['fileSize'])) + { + $length = ceil($content['attribs']['']['fileSize']); + } + if (isset($content['attribs']['']['medium'])) + { + $medium = $this->sanitize($content['attribs']['']['medium'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['samplingrate'])) + { + $samplingrate = $this->sanitize($content['attribs']['']['samplingrate'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['type'])) + { + $type = $this->sanitize($content['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['width'])) + { + $width = $this->sanitize($content['attribs']['']['width'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['attribs']['']['url'])) + { + $url = $this->sanitize($content['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + // Checking the other optional media: elements. Priority: media:content, media:group, item, channel + + // CAPTIONS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['text'] as $caption) + { + $caption_type = null; + $caption_lang = null; + $caption_startTime = null; + $caption_endTime = null; + $caption_text = null; + if (isset($caption['attribs']['']['type'])) + { + $caption_type = $this->sanitize($caption['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['lang'])) + { + $caption_lang = $this->sanitize($caption['attribs']['']['lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['start'])) + { + $caption_startTime = $this->sanitize($caption['attribs']['']['start'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['attribs']['']['end'])) + { + $caption_endTime = $this->sanitize($caption['attribs']['']['end'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($caption['data'])) + { + $caption_text = $this->sanitize($caption['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $captions[] = new $this->feed->caption_class($caption_type, $caption_lang, $caption_startTime, $caption_endTime, $caption_text); + } + if (is_array($captions)) + { + $captions = array_values(SimplePie_Misc::array_unique($captions)); + } + } + else + { + $captions = $captions_parent; + } + + // CATEGORIES + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'])) + { + foreach ((array) $content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['category'] as $category) + { + $term = null; + $scheme = null; + $label = null; + if (isset($category['data'])) + { + $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['scheme'])) + { + $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $scheme = 'http://search.yahoo.com/mrss/category_schema'; + } + if (isset($category['attribs']['']['label'])) + { + $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories[] = new $this->feed->category_class($term, $scheme, $label); + } + } + if (is_array($categories) && is_array($categories_parent)) + { + $categories = array_values(SimplePie_Misc::array_unique(array_merge($categories, $categories_parent))); + } + elseif (is_array($categories)) + { + $categories = array_values(SimplePie_Misc::array_unique($categories)); + } + elseif (is_array($categories_parent)) + { + $categories = array_values(SimplePie_Misc::array_unique($categories_parent)); + } + else + { + $categories = null; + } + + // COPYRIGHTS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'])) + { + $copyright_url = null; + $copyright_label = null; + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'])) + { + $copyright_url = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'])) + { + $copyright_label = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['copyright'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $copyrights = new $this->feed->copyright_class($copyright_url, $copyright_label); + } + else + { + $copyrights = $copyrights_parent; + } + + // CREDITS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['credit'] as $credit) + { + $credit_role = null; + $credit_scheme = null; + $credit_name = null; + if (isset($credit['attribs']['']['role'])) + { + $credit_role = $this->sanitize($credit['attribs']['']['role'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($credit['attribs']['']['scheme'])) + { + $credit_scheme = $this->sanitize($credit['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $credit_scheme = 'urn:ebu'; + } + if (isset($credit['data'])) + { + $credit_name = $this->sanitize($credit['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $credits[] = new $this->feed->credit_class($credit_role, $credit_scheme, $credit_name); + } + if (is_array($credits)) + { + $credits = array_values(SimplePie_Misc::array_unique($credits)); + } + } + else + { + $credits = $credits_parent; + } + + // DESCRIPTION + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'])) + { + $description = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['description'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $description = $description_parent; + } + + // HASHES + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['hash'] as $hash) + { + $value = null; + $algo = null; + if (isset($hash['data'])) + { + $value = $this->sanitize($hash['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($hash['attribs']['']['algo'])) + { + $algo = $this->sanitize($hash['attribs']['']['algo'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $algo = 'md5'; + } + $hashes[] = $algo.':'.$value; + } + if (is_array($hashes)) + { + $hashes = array_values(SimplePie_Misc::array_unique($hashes)); + } + } + else + { + $hashes = $hashes_parent; + } + + // KEYWORDS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'])) + { + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'])) + { + $temp = explode(',', $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['keywords'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT)); + foreach ($temp as $word) + { + $keywords[] = trim($word); + } + unset($temp); + } + if (is_array($keywords)) + { + $keywords = array_values(SimplePie_Misc::array_unique($keywords)); + } + } + else + { + $keywords = $keywords_parent; + } + + // PLAYER + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'])) + { + $player = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['player'][0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + else + { + $player = $player_parent; + } + + // RATINGS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['rating'] as $rating) + { + $rating_scheme = null; + $rating_value = null; + if (isset($rating['attribs']['']['scheme'])) + { + $rating_scheme = $this->sanitize($rating['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $rating_scheme = 'urn:simple'; + } + if (isset($rating['data'])) + { + $rating_value = $this->sanitize($rating['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $ratings[] = new $this->feed->rating_class($rating_scheme, $rating_value); + } + if (is_array($ratings)) + { + $ratings = array_values(SimplePie_Misc::array_unique($ratings)); + } + } + else + { + $ratings = $ratings_parent; + } + + // RESTRICTIONS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['restriction'] as $restriction) + { + $restriction_relationship = null; + $restriction_type = null; + $restriction_value = null; + if (isset($restriction['attribs']['']['relationship'])) + { + $restriction_relationship = $this->sanitize($restriction['attribs']['']['relationship'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['attribs']['']['type'])) + { + $restriction_type = $this->sanitize($restriction['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($restriction['data'])) + { + $restriction_value = $this->sanitize($restriction['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $restrictions[] = new $this->feed->restriction_class($restriction_relationship, $restriction_type, $restriction_value); + } + if (is_array($restrictions)) + { + $restrictions = array_values(SimplePie_Misc::array_unique($restrictions)); + } + } + else + { + $restrictions = $restrictions_parent; + } + + // THUMBNAILS + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'])) + { + foreach ($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['thumbnail'] as $thumbnail) + { + $thumbnails[] = $this->sanitize($thumbnail['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI); + } + if (is_array($thumbnails)) + { + $thumbnails = array_values(SimplePie_Misc::array_unique($thumbnails)); + } + } + else + { + $thumbnails = $thumbnails_parent; + } + + // TITLES + if (isset($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'])) + { + $title = $this->sanitize($content['child'][SIMPLEPIE_NAMESPACE_MEDIARSS]['title'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $title = $title_parent; + } + + $this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions, $categories, $channels, $copyrights, $credits, $description, $duration, $expression, $framerate, $hashes, $height, $keywords, $lang, $medium, $player, $ratings, $restrictions, $samplingrate, $thumbnails, $title, $width); + } + } + } + + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link') as $link) + { + if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] === 'enclosure') + { + // Attributes + $bitrate = null; + $channels = null; + $duration = null; + $expression = null; + $framerate = null; + $height = null; + $javascript = null; + $lang = null; + $length = null; + $medium = null; + $samplingrate = null; + $type = null; + $url = null; + $width = null; + + $url = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); + if (isset($link['attribs']['']['type'])) + { + $type = $this->sanitize($link['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($link['attribs']['']['length'])) + { + $length = ceil($link['attribs']['']['length']); + } + + // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor + $this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width); + } + } + + foreach ((array) $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link') as $link) + { + if (isset($link['attribs']['']['href']) && !empty($link['attribs']['']['rel']) && $link['attribs']['']['rel'] === 'enclosure') + { + // Attributes + $bitrate = null; + $channels = null; + $duration = null; + $expression = null; + $framerate = null; + $height = null; + $javascript = null; + $lang = null; + $length = null; + $medium = null; + $samplingrate = null; + $type = null; + $url = null; + $width = null; + + $url = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); + if (isset($link['attribs']['']['type'])) + { + $type = $this->sanitize($link['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($link['attribs']['']['length'])) + { + $length = ceil($link['attribs']['']['length']); + } + + // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor + $this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width); + } + } + + if ($enclosure = $this->get_item_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'enclosure')) + { + if (isset($enclosure[0]['attribs']['']['url'])) + { + // Attributes + $bitrate = null; + $channels = null; + $duration = null; + $expression = null; + $framerate = null; + $height = null; + $javascript = null; + $lang = null; + $length = null; + $medium = null; + $samplingrate = null; + $type = null; + $url = null; + $width = null; + + $url = $this->sanitize($enclosure[0]['attribs']['']['url'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($enclosure[0])); + if (isset($enclosure[0]['attribs']['']['type'])) + { + $type = $this->sanitize($enclosure[0]['attribs']['']['type'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($enclosure[0]['attribs']['']['length'])) + { + $length = ceil($enclosure[0]['attribs']['']['length']); + } + + // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor + $this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width); + } + } + + if (sizeof($this->data['enclosures']) === 0 && ($url || $type || $length || $bitrate || $captions_parent || $categories_parent || $channels || $copyrights_parent || $credits_parent || $description_parent || $duration_parent || $expression || $framerate || $hashes_parent || $height || $keywords_parent || $lang || $medium || $player_parent || $ratings_parent || $restrictions_parent || $samplingrate || $thumbnails_parent || $title_parent || $width)) + { + // Since we don't have group or content for these, we'll just pass the '*_parent' variables directly to the constructor + $this->data['enclosures'][] = new $this->feed->enclosure_class($url, $type, $length, $this->feed->javascript, $bitrate, $captions_parent, $categories_parent, $channels, $copyrights_parent, $credits_parent, $description_parent, $duration_parent, $expression, $framerate, $hashes_parent, $height, $keywords_parent, $lang, $medium, $player_parent, $ratings_parent, $restrictions_parent, $samplingrate, $thumbnails_parent, $title_parent, $width); + } + + $this->data['enclosures'] = array_values(SimplePie_Misc::array_unique($this->data['enclosures'])); + } + if (!empty($this->data['enclosures'])) + { + return $this->data['enclosures']; + } + else + { + return null; + } + } + + public function get_latitude() + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat')) + { + return (float) $return[0]['data']; + } + elseif (($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) + { + return (float) $match[1]; + } + else + { + return null; + } + } + + public function get_longitude() + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long')) + { + return (float) $return[0]['data']; + } + elseif ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon')) + { + return (float) $return[0]['data']; + } + elseif (($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) + { + return (float) $match[2]; + } + else + { + return null; + } + } + + public function get_source() + { + if ($return = $this->get_item_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'source')) + { + return new $this->feed->source_class($this, $return[0]); + } + else + { + return null; + } + } +} + +class SimplePie_Source +{ + var $item; + var $data = array(); + + public function __construct($item, $data) + { + $this->item = $item; + $this->data = $data; + } + + public function __toString() + { + return md5(serialize($this->data)); + } + + public function get_source_tags($namespace, $tag) + { + if (isset($this->data['child'][$namespace][$tag])) + { + return $this->data['child'][$namespace][$tag]; + } + else + { + return null; + } + } + + public function get_base($element = array()) + { + return $this->item->get_base($element); + } + + public function sanitize($data, $type, $base = '') + { + return $this->item->sanitize($data, $type, $base); + } + + public function get_item() + { + return $this->item; + } + + public function get_title() + { + if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'title')) + { + return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'title')) + { + return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'title')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + return null; + } + } + + public function get_category($key = 0) + { + $categories = $this->get_categories(); + if (isset($categories[$key])) + { + return $categories[$key]; + } + else + { + return null; + } + } + + public function get_categories() + { + $categories = array(); + + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category) + { + $term = null; + $scheme = null; + $label = null; + if (isset($category['attribs']['']['term'])) + { + $term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['scheme'])) + { + $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($category['attribs']['']['label'])) + { + $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); + } + $categories[] = new $this->item->feed->category_class($term, $scheme, $label); + } + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category) + { + // This is really the label, but keep this as the term also for BC. + // Label will also work on retrieving because that falls back to term. + $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); + if (isset($category['attribs']['']['domain'])) + { + $scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + $scheme = null; + } + $categories[] = new $this->item->feed->category_class($term, $scheme, null); + } + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category) + { + $categories[] = new $this->item->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null); + } + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category) + { + $categories[] = new $this->item->feed->category_class($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null); + } + + if (!empty($categories)) + { + return SimplePie_Misc::array_unique($categories); + } + else + { + return null; + } + } + + public function get_author($key = 0) + { + $authors = $this->get_authors(); + if (isset($authors[$key])) + { + return $authors[$key]; + } + else + { + return null; + } + } + + public function get_authors() + { + $authors = array(); + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author') as $author) + { + $name = null; + $uri = null; + $email = null; + if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) + { + $name = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) + { + $uri = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0])); + } + if (isset($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) + { + $email = $this->sanitize($author['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $uri !== null) + { + $authors[] = new $this->item->feed->author_class($name, $uri, $email); + } + } + if ($author = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'author')) + { + $name = null; + $url = null; + $email = null; + if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) + { + $name = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) + { + $url = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0])); + } + if (isset($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) + { + $email = $this->sanitize($author[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $url !== null) + { + $authors[] = new $this->item->feed->author_class($name, $url, $email); + } + } + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'creator') as $author) + { + $authors[] = new $this->item->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null); + } + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'creator') as $author) + { + $authors[] = new $this->item->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null); + } + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'author') as $author) + { + $authors[] = new $this->item->feed->author_class($this->sanitize($author['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null); + } + + if (!empty($authors)) + { + return SimplePie_Misc::array_unique($authors); + } + else + { + return null; + } + } + + public function get_contributor($key = 0) + { + $contributors = $this->get_contributors(); + if (isset($contributors[$key])) + { + return $contributors[$key]; + } + else + { + return null; + } + } + + public function get_contributors() + { + $contributors = array(); + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'contributor') as $contributor) + { + $name = null; + $uri = null; + $email = null; + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'])) + { + $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'])) + { + $uri = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['uri'][0])); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'])) + { + $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $uri !== null) + { + $contributors[] = new $this->item->feed->author_class($name, $uri, $email); + } + } + foreach ((array) $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'contributor') as $contributor) + { + $name = null; + $url = null; + $email = null; + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'])) + { + $name = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['name'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'])) + { + $url = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['url'][0])); + } + if (isset($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'])) + { + $email = $this->sanitize($contributor['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['email'][0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + if ($name !== null || $email !== null || $url !== null) + { + $contributors[] = new $this->item->feed->author_class($name, $url, $email); + } + } + + if (!empty($contributors)) + { + return SimplePie_Misc::array_unique($contributors); + } + else + { + return null; + } + } + + public function get_link($key = 0, $rel = 'alternate') + { + $links = $this->get_links($rel); + if (isset($links[$key])) + { + return $links[$key]; + } + else + { + return null; + } + } + + /** + * Added for parity between the parent-level and the item/entry-level. + */ + public function get_permalink() + { + return $this->get_link(0); + } + + public function get_links($rel = 'alternate') + { + if (!isset($this->data['links'])) + { + $this->data['links'] = array(); + if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'link')) + { + foreach ($links as $link) + { + if (isset($link['attribs']['']['href'])) + { + $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; + $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); + } + } + } + if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'link')) + { + foreach ($links as $link) + { + if (isset($link['attribs']['']['href'])) + { + $link_rel = (isset($link['attribs']['']['rel'])) ? $link['attribs']['']['rel'] : 'alternate'; + $this->data['links'][$link_rel][] = $this->sanitize($link['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($link)); + + } + } + } + if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'link')) + { + $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); + } + if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'link')) + { + $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); + } + if ($links = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'link')) + { + $this->data['links']['alternate'][] = $this->sanitize($links[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($links[0])); + } + + $keys = array_keys($this->data['links']); + foreach ($keys as $key) + { + if (SimplePie_Misc::is_isegment_nz_nc($key)) + { + if (isset($this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key])) + { + $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] = array_merge($this->data['links'][$key], $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]); + $this->data['links'][$key] =& $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key]; + } + else + { + $this->data['links'][SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY . $key] =& $this->data['links'][$key]; + } + } + elseif (substr($key, 0, 41) === SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY) + { + $this->data['links'][substr($key, 41)] =& $this->data['links'][$key]; + } + $this->data['links'][$key] = array_unique($this->data['links'][$key]); + } + } + + if (isset($this->data['links'][$rel])) + { + return $this->data['links'][$rel]; + } + else + { + return null; + } + } + + public function get_description() + { + if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'subtitle')) + { + return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'tagline')) + { + return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_10, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_090, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_MAYBE_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'description')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'summary')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'subtitle')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_HTML, $this->get_base($return[0])); + } + else + { + return null; + } + } + + public function get_copyright() + { + if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'rights')) + { + return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_10_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_03, 'copyright')) + { + return $this->sanitize($return[0]['data'], SimplePie_Misc::atom_03_construct_type($return[0]['attribs']), $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'copyright')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'rights')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'rights')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + return null; + } + } + + public function get_language() + { + if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'language')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_11, 'language')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_DC_10, 'language')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_TEXT); + } + elseif (isset($this->data['xml_lang'])) + { + return $this->sanitize($this->data['xml_lang'], SIMPLEPIE_CONSTRUCT_TEXT); + } + else + { + return null; + } + } + + public function get_latitude() + { + if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lat')) + { + return (float) $return[0]['data']; + } + elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) + { + return (float) $match[1]; + } + else + { + return null; + } + } + + public function get_longitude() + { + if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'long')) + { + return (float) $return[0]['data']; + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO, 'lon')) + { + return (float) $return[0]['data']; + } + elseif (($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_GEORSS, 'point')) && preg_match('/^((?:-)?[0-9]+(?:\.[0-9]+)) ((?:-)?[0-9]+(?:\.[0-9]+))$/', trim($return[0]['data']), $match)) + { + return (float) $match[2]; + } + else + { + return null; + } + } + + public function get_image_url() + { + if ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ITUNES, 'image')) + { + return $this->sanitize($return[0]['attribs']['']['href'], SIMPLEPIE_CONSTRUCT_IRI); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'logo')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0])); + } + elseif ($return = $this->get_source_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon')) + { + return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0])); + } + else + { + return null; + } + } +} + +class SimplePie_Author +{ + var $name; + var $link; + var $email; + + // Constructor, used to input the data + public function __construct($name = null, $link = null, $email = null) + { + $this->name = $name; + $this->link = $link; + $this->email = $email; + } + + public function __toString() + { + // There is no $this->data here + return md5(serialize($this)); + } + + public function get_name() + { + if ($this->name !== null) + { + return $this->name; + } + else + { + return null; + } + } + + public function get_link() + { + if ($this->link !== null) + { + return $this->link; + } + else + { + return null; + } + } + + public function get_email() + { + if ($this->email !== null) + { + return $this->email; + } + else + { + return null; + } + } +} + +class SimplePie_Category +{ + var $term; + var $scheme; + var $label; + + // Constructor, used to input the data + public function __construct($term = null, $scheme = null, $label = null) + { + $this->term = $term; + $this->scheme = $scheme; + $this->label = $label; + } + + public function __toString() + { + // There is no $this->data here + return md5(serialize($this)); + } + + public function get_term() + { + if ($this->term !== null) + { + return $this->term; + } + else + { + return null; + } + } + + public function get_scheme() + { + if ($this->scheme !== null) + { + return $this->scheme; + } + else + { + return null; + } + } + + public function get_label() + { + if ($this->label !== null) + { + return $this->label; + } + else + { + return $this->get_term(); + } + } +} + +class SimplePie_Enclosure +{ + var $bitrate; + var $captions; + var $categories; + var $channels; + var $copyright; + var $credits; + var $description; + var $duration; + var $expression; + var $framerate; + var $handler; + var $hashes; + var $height; + var $javascript; + var $keywords; + var $lang; + var $length; + var $link; + var $medium; + var $player; + var $ratings; + var $restrictions; + var $samplingrate; + var $thumbnails; + var $title; + var $type; + var $width; + + // Constructor, used to input the data + public function __construct($link = null, $type = null, $length = null, $javascript = null, $bitrate = null, $captions = null, $categories = null, $channels = null, $copyright = null, $credits = null, $description = null, $duration = null, $expression = null, $framerate = null, $hashes = null, $height = null, $keywords = null, $lang = null, $medium = null, $player = null, $ratings = null, $restrictions = null, $samplingrate = null, $thumbnails = null, $title = null, $width = null) + { + $this->bitrate = $bitrate; + $this->captions = $captions; + $this->categories = $categories; + $this->channels = $channels; + $this->copyright = $copyright; + $this->credits = $credits; + $this->description = $description; + $this->duration = $duration; + $this->expression = $expression; + $this->framerate = $framerate; + $this->hashes = $hashes; + $this->height = $height; + $this->javascript = $javascript; + $this->keywords = $keywords; + $this->lang = $lang; + $this->length = $length; + $this->link = $link; + $this->medium = $medium; + $this->player = $player; + $this->ratings = $ratings; + $this->restrictions = $restrictions; + $this->samplingrate = $samplingrate; + $this->thumbnails = $thumbnails; + $this->title = $title; + $this->type = $type; + $this->width = $width; + + if (class_exists('idna_convert')) + { + $idn = new idna_convert(); + $parsed = SimplePie_Misc::parse_url($link); + $this->link = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']); + } + $this->handler = $this->get_handler(); // Needs to load last + } + + public function __toString() + { + // There is no $this->data here + return md5(serialize($this)); + } + + public function get_bitrate() + { + if ($this->bitrate !== null) + { + return $this->bitrate; + } + else + { + return null; + } + } + + public function get_caption($key = 0) + { + $captions = $this->get_captions(); + if (isset($captions[$key])) + { + return $captions[$key]; + } + else + { + return null; + } + } + + public function get_captions() + { + if ($this->captions !== null) + { + return $this->captions; + } + else + { + return null; + } + } + + public function get_category($key = 0) + { + $categories = $this->get_categories(); + if (isset($categories[$key])) + { + return $categories[$key]; + } + else + { + return null; + } + } + + public function get_categories() + { + if ($this->categories !== null) + { + return $this->categories; + } + else + { + return null; + } + } + + public function get_channels() + { + if ($this->channels !== null) + { + return $this->channels; + } + else + { + return null; + } + } + + public function get_copyright() + { + if ($this->copyright !== null) + { + return $this->copyright; + } + else + { + return null; + } + } + + public function get_credit($key = 0) + { + $credits = $this->get_credits(); + if (isset($credits[$key])) + { + return $credits[$key]; + } + else + { + return null; + } + } + + public function get_credits() + { + if ($this->credits !== null) + { + return $this->credits; + } + else + { + return null; + } + } + + public function get_description() + { + if ($this->description !== null) + { + return $this->description; + } + else + { + return null; + } + } + + public function get_duration($convert = false) + { + if ($this->duration !== null) + { + if ($convert) + { + $time = SimplePie_Misc::time_hms($this->duration); + return $time; + } + else + { + return $this->duration; + } + } + else + { + return null; + } + } + + public function get_expression() + { + if ($this->expression !== null) + { + return $this->expression; + } + else + { + return 'full'; + } + } + + public function get_extension() + { + if ($this->link !== null) + { + $url = SimplePie_Misc::parse_url($this->link); + if ($url['path'] !== '') + { + return pathinfo($url['path'], PATHINFO_EXTENSION); + } + } + return null; + } + + public function get_framerate() + { + if ($this->framerate !== null) + { + return $this->framerate; + } + else + { + return null; + } + } + + public function get_handler() + { + return $this->get_real_type(true); + } + + public function get_hash($key = 0) + { + $hashes = $this->get_hashes(); + if (isset($hashes[$key])) + { + return $hashes[$key]; + } + else + { + return null; + } + } + + public function get_hashes() + { + if ($this->hashes !== null) + { + return $this->hashes; + } + else + { + return null; + } + } + + public function get_height() + { + if ($this->height !== null) + { + return $this->height; + } + else + { + return null; + } + } + + public function get_language() + { + if ($this->lang !== null) + { + return $this->lang; + } + else + { + return null; + } + } + + public function get_keyword($key = 0) + { + $keywords = $this->get_keywords(); + if (isset($keywords[$key])) + { + return $keywords[$key]; + } + else + { + return null; + } + } + + public function get_keywords() + { + if ($this->keywords !== null) + { + return $this->keywords; + } + else + { + return null; + } + } + + public function get_length() + { + if ($this->length !== null) + { + return $this->length; + } + else + { + return null; + } + } + + public function get_link() + { + if ($this->link !== null) + { + return urldecode($this->link); + } + else + { + return null; + } + } + + public function get_medium() + { + if ($this->medium !== null) + { + return $this->medium; + } + else + { + return null; + } + } + + public function get_player() + { + if ($this->player !== null) + { + return $this->player; + } + else + { + return null; + } + } + + public function get_rating($key = 0) + { + $ratings = $this->get_ratings(); + if (isset($ratings[$key])) + { + return $ratings[$key]; + } + else + { + return null; + } + } + + public function get_ratings() + { + if ($this->ratings !== null) + { + return $this->ratings; + } + else + { + return null; + } + } + + public function get_restriction($key = 0) + { + $restrictions = $this->get_restrictions(); + if (isset($restrictions[$key])) + { + return $restrictions[$key]; + } + else + { + return null; + } + } + + public function get_restrictions() + { + if ($this->restrictions !== null) + { + return $this->restrictions; + } + else + { + return null; + } + } + + public function get_sampling_rate() + { + if ($this->samplingrate !== null) + { + return $this->samplingrate; + } + else + { + return null; + } + } + + public function get_size() + { + $length = $this->get_length(); + if ($length !== null) + { + return round($length/1048576, 2); + } + else + { + return null; + } + } + + public function get_thumbnail($key = 0) + { + $thumbnails = $this->get_thumbnails(); + if (isset($thumbnails[$key])) + { + return $thumbnails[$key]; + } + else + { + return null; + } + } + + public function get_thumbnails() + { + if ($this->thumbnails !== null) + { + return $this->thumbnails; + } + else + { + return null; + } + } + + public function get_title() + { + if ($this->title !== null) + { + return $this->title; + } + else + { + return null; + } + } + + public function get_type() + { + if ($this->type !== null) + { + return $this->type; + } + else + { + return null; + } + } + + public function get_width() + { + if ($this->width !== null) + { + return $this->width; + } + else + { + return null; + } + } + + public function native_embed($options='') + { + return $this->embed($options, true); + } + + /** + * @todo If the dimensions for media:content are defined, use them when width/height are set to 'auto'. + */ + public function embed($options = '', $native = false) + { + // Set up defaults + $audio = ''; + $video = ''; + $alt = ''; + $altclass = ''; + $loop = 'false'; + $width = 'auto'; + $height = 'auto'; + $bgcolor = '#ffffff'; + $mediaplayer = ''; + $widescreen = false; + $handler = $this->get_handler(); + $type = $this->get_real_type(); + + // Process options and reassign values as necessary + if (is_array($options)) + { + extract($options); + } + else + { + $options = explode(',', $options); + foreach($options as $option) + { + $opt = explode(':', $option, 2); + if (isset($opt[0], $opt[1])) + { + $opt[0] = trim($opt[0]); + $opt[1] = trim($opt[1]); + switch ($opt[0]) + { + case 'audio': + $audio = $opt[1]; + break; + + case 'video': + $video = $opt[1]; + break; + + case 'alt': + $alt = $opt[1]; + break; + + case 'altclass': + $altclass = $opt[1]; + break; + + case 'loop': + $loop = $opt[1]; + break; + + case 'width': + $width = $opt[1]; + break; + + case 'height': + $height = $opt[1]; + break; + + case 'bgcolor': + $bgcolor = $opt[1]; + break; + + case 'mediaplayer': + $mediaplayer = $opt[1]; + break; + + case 'widescreen': + $widescreen = $opt[1]; + break; + } + } + } + } + + $mime = explode('/', $type, 2); + $mime = $mime[0]; + + // Process values for 'auto' + if ($width === 'auto') + { + if ($mime === 'video') + { + if ($height === 'auto') + { + $width = 480; + } + elseif ($widescreen) + { + $width = round((intval($height)/9)*16); + } + else + { + $width = round((intval($height)/3)*4); + } + } + else + { + $width = '100%'; + } + } + + if ($height === 'auto') + { + if ($mime === 'audio') + { + $height = 0; + } + elseif ($mime === 'video') + { + if ($width === 'auto') + { + if ($widescreen) + { + $height = 270; + } + else + { + $height = 360; + } + } + elseif ($widescreen) + { + $height = round((intval($width)/16)*9); + } + else + { + $height = round((intval($width)/4)*3); + } + } + else + { + $height = 376; + } + } + elseif ($mime === 'audio') + { + $height = 0; + } + + // Set proper placeholder value + if ($mime === 'audio') + { + $placeholder = $audio; + } + elseif ($mime === 'video') + { + $placeholder = $video; + } + + $embed = ''; + + // Make sure the JS library is included + if (!$native) + { + static $javascript_outputted = null; + if (!$javascript_outputted && $this->javascript) + { + $embed .= ''; + $javascript_outputted = true; + } + } + + // Odeo Feed MP3's + if ($handler === 'odeo') + { + if ($native) + { + $embed .= ''; + } + else + { + $embed .= ''; + } + } + + // Flash + elseif ($handler === 'flash') + { + if ($native) + { + $embed .= "get_link() . "\" pluginspage=\"http://adobe.com/go/getflashplayer\" type=\"$type\" quality=\"high\" width=\"$width\" height=\"$height\" bgcolor=\"$bgcolor\" loop=\"$loop\">"; + } + else + { + $embed .= ""; + } + } + + // Flash Media Player file types. + // Preferred handler for MP3 file types. + elseif ($handler === 'fmedia' || ($handler === 'mp3' && $mediaplayer !== '')) + { + $height += 20; + if ($native) + { + $embed .= "get_link().'?file_extension=.'.$this->get_extension()) . "&autostart=false&repeat=$loop&showdigits=true&showfsbutton=false\">"; + } + else + { + $embed .= ""; + } + } + + // QuickTime 7 file types. Need to test with QuickTime 6. + // Only handle MP3's if the Flash Media Player is not present. + elseif ($handler === 'quicktime' || ($handler === 'mp3' && $mediaplayer === '')) + { + $height += 16; + if ($native) + { + if ($placeholder !== '') + { + $embed .= "get_link() . "\" src=\"$placeholder\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"false\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\">"; + } + else + { + $embed .= "get_link() . "\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"true\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://apple.com/quicktime/download/\">"; + } + } + else + { + $embed .= ""; + } + } + + // Windows Media + elseif ($handler === 'wmedia') + { + $height += 45; + if ($native) + { + $embed .= "get_link() . "\" autosize=\"1\" width=\"$width\" height=\"$height\" showcontrols=\"1\" showstatusbar=\"0\" showdisplay=\"0\" autostart=\"0\">"; + } + else + { + $embed .= ""; + } + } + + // Everything else + else $embed .= '' . $alt . ''; + + return $embed; + } + + public function get_real_type($find_handler = false) + { + // If it's Odeo, let's get it out of the way. + if (substr(strtolower($this->get_link()), 0, 15) === 'http://odeo.com') + { + return 'odeo'; + } + + // Mime-types by handler. + $types_flash = array('application/x-shockwave-flash', 'application/futuresplash'); // Flash + $types_fmedia = array('video/flv', 'video/x-flv','flv-application/octet-stream'); // Flash Media Player + $types_quicktime = array('audio/3gpp', 'audio/3gpp2', 'audio/aac', 'audio/x-aac', 'audio/aiff', 'audio/x-aiff', 'audio/mid', 'audio/midi', 'audio/x-midi', 'audio/mp4', 'audio/m4a', 'audio/x-m4a', 'audio/wav', 'audio/x-wav', 'video/3gpp', 'video/3gpp2', 'video/m4v', 'video/x-m4v', 'video/mp4', 'video/mpeg', 'video/x-mpeg', 'video/quicktime', 'video/sd-video'); // QuickTime + $types_wmedia = array('application/asx', 'application/x-mplayer2', 'audio/x-ms-wma', 'audio/x-ms-wax', 'video/x-ms-asf-plugin', 'video/x-ms-asf', 'video/x-ms-wm', 'video/x-ms-wmv', 'video/x-ms-wvx'); // Windows Media + $types_mp3 = array('audio/mp3', 'audio/x-mp3', 'audio/mpeg', 'audio/x-mpeg'); // MP3 + + if ($this->get_type() !== null) + { + $type = strtolower($this->type); + } + else + { + $type = null; + } + + // If we encounter an unsupported mime-type, check the file extension and guess intelligently. + if (!in_array($type, array_merge($types_flash, $types_fmedia, $types_quicktime, $types_wmedia, $types_mp3))) + { + switch (strtolower($this->get_extension())) + { + // Audio mime-types + case 'aac': + case 'adts': + $type = 'audio/acc'; + break; + + case 'aif': + case 'aifc': + case 'aiff': + case 'cdda': + $type = 'audio/aiff'; + break; + + case 'bwf': + $type = 'audio/wav'; + break; + + case 'kar': + case 'mid': + case 'midi': + case 'smf': + $type = 'audio/midi'; + break; + + case 'm4a': + $type = 'audio/x-m4a'; + break; + + case 'mp3': + case 'swa': + $type = 'audio/mp3'; + break; + + case 'wav': + $type = 'audio/wav'; + break; + + case 'wax': + $type = 'audio/x-ms-wax'; + break; + + case 'wma': + $type = 'audio/x-ms-wma'; + break; + + // Video mime-types + case '3gp': + case '3gpp': + $type = 'video/3gpp'; + break; + + case '3g2': + case '3gp2': + $type = 'video/3gpp2'; + break; + + case 'asf': + $type = 'video/x-ms-asf'; + break; + + case 'flv': + $type = 'video/x-flv'; + break; + + case 'm1a': + case 'm1s': + case 'm1v': + case 'm15': + case 'm75': + case 'mp2': + case 'mpa': + case 'mpeg': + case 'mpg': + case 'mpm': + case 'mpv': + $type = 'video/mpeg'; + break; + + case 'm4v': + $type = 'video/x-m4v'; + break; + + case 'mov': + case 'qt': + $type = 'video/quicktime'; + break; + + case 'mp4': + case 'mpg4': + $type = 'video/mp4'; + break; + + case 'sdv': + $type = 'video/sd-video'; + break; + + case 'wm': + $type = 'video/x-ms-wm'; + break; + + case 'wmv': + $type = 'video/x-ms-wmv'; + break; + + case 'wvx': + $type = 'video/x-ms-wvx'; + break; + + // Flash mime-types + case 'spl': + $type = 'application/futuresplash'; + break; + + case 'swf': + $type = 'application/x-shockwave-flash'; + break; + } + } + + if ($find_handler) + { + if (in_array($type, $types_flash)) + { + return 'flash'; + } + elseif (in_array($type, $types_fmedia)) + { + return 'fmedia'; + } + elseif (in_array($type, $types_quicktime)) + { + return 'quicktime'; + } + elseif (in_array($type, $types_wmedia)) + { + return 'wmedia'; + } + elseif (in_array($type, $types_mp3)) + { + return 'mp3'; + } + else + { + return null; + } + } + else + { + return $type; + } + } +} + +class SimplePie_Caption +{ + var $type; + var $lang; + var $startTime; + var $endTime; + var $text; + + // Constructor, used to input the data + public function __construct($type = null, $lang = null, $startTime = null, $endTime = null, $text = null) + { + $this->type = $type; + $this->lang = $lang; + $this->startTime = $startTime; + $this->endTime = $endTime; + $this->text = $text; + } + + public function __toString() + { + // There is no $this->data here + return md5(serialize($this)); + } + + public function get_endtime() + { + if ($this->endTime !== null) + { + return $this->endTime; + } + else + { + return null; + } + } + + public function get_language() + { + if ($this->lang !== null) + { + return $this->lang; + } + else + { + return null; + } + } + + public function get_starttime() + { + if ($this->startTime !== null) + { + return $this->startTime; + } + else + { + return null; + } + } + + public function get_text() + { + if ($this->text !== null) + { + return $this->text; + } + else + { + return null; + } + } + + public function get_type() + { + if ($this->type !== null) + { + return $this->type; + } + else + { + return null; + } + } +} + +class SimplePie_Credit +{ + var $role; + var $scheme; + var $name; + + // Constructor, used to input the data + public function __construct($role = null, $scheme = null, $name = null) + { + $this->role = $role; + $this->scheme = $scheme; + $this->name = $name; + } + + public function __toString() + { + // There is no $this->data here + return md5(serialize($this)); + } + + public function get_role() + { + if ($this->role !== null) + { + return $this->role; + } + else + { + return null; + } + } + + public function get_scheme() + { + if ($this->scheme !== null) + { + return $this->scheme; + } + else + { + return null; + } + } + + public function get_name() + { + if ($this->name !== null) + { + return $this->name; + } + else + { + return null; + } + } +} + +class SimplePie_Copyright +{ + var $url; + var $label; + + // Constructor, used to input the data + public function __construct($url = null, $label = null) + { + $this->url = $url; + $this->label = $label; + } + + public function __toString() + { + // There is no $this->data here + return md5(serialize($this)); + } + + public function get_url() + { + if ($this->url !== null) + { + return $this->url; + } + else + { + return null; + } + } + + public function get_attribution() + { + if ($this->label !== null) + { + return $this->label; + } + else + { + return null; + } + } +} + +class SimplePie_Rating +{ + var $scheme; + var $value; + + // Constructor, used to input the data + public function __construct($scheme = null, $value = null) + { + $this->scheme = $scheme; + $this->value = $value; + } + + public function __toString() + { + // There is no $this->data here + return md5(serialize($this)); + } + + public function get_scheme() + { + if ($this->scheme !== null) + { + return $this->scheme; + } + else + { + return null; + } + } + + public function get_value() + { + if ($this->value !== null) + { + return $this->value; + } + else + { + return null; + } + } +} + +class SimplePie_Restriction +{ + var $relationship; + var $type; + var $value; + + // Constructor, used to input the data + public function __construct($relationship = null, $type = null, $value = null) + { + $this->relationship = $relationship; + $this->type = $type; + $this->value = $value; + } + + public function __toString() + { + // There is no $this->data here + return md5(serialize($this)); + } + + public function get_relationship() + { + if ($this->relationship !== null) + { + return $this->relationship; + } + else + { + return null; + } + } + + public function get_type() + { + if ($this->type !== null) + { + return $this->type; + } + else + { + return null; + } + } + + public function get_value() + { + if ($this->value !== null) + { + return $this->value; + } + else + { + return null; + } + } +} + +/** + * @todo Move to properly supporting RFC2616 (HTTP/1.1) + */ +class SimplePie_File +{ + var $url; + var $useragent; + var $success = true; + var $headers = array(); + var $body; + var $status_code; + var $redirects = 0; + var $error; + var $method = SIMPLEPIE_FILE_SOURCE_NONE; + + public function __construct($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false) + { + if (class_exists('idna_convert')) + { + $idn = new idna_convert(); + $parsed = SimplePie_Misc::parse_url($url); + $url = SimplePie_Misc::compress_parse_url($parsed['scheme'], $idn->encode($parsed['authority']), $parsed['path'], $parsed['query'], $parsed['fragment']); + } + $this->url = $url; + $this->useragent = $useragent; + if (preg_match('/^http(s)?:\/\//i', $url)) + { + if ($useragent === null) + { + $useragent = ini_get('user_agent'); + $this->useragent = $useragent; + } + if (!is_array($headers)) + { + $headers = array(); + } + if (!$force_fsockopen && function_exists('curl_exec')) + { + $this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_CURL; + $fp = curl_init(); + $headers2 = array(); + foreach ($headers as $key => $value) + { + $headers2[] = "$key: $value"; + } + if (version_compare(SimplePie_Misc::get_curl_version(), '7.10.5', '>=')) + { + curl_setopt($fp, CURLOPT_ENCODING, ''); + } + curl_setopt($fp, CURLOPT_URL, $url); + curl_setopt($fp, CURLOPT_HEADER, 1); + curl_setopt($fp, CURLOPT_RETURNTRANSFER, 1); + curl_setopt($fp, CURLOPT_TIMEOUT, $timeout); + curl_setopt($fp, CURLOPT_CONNECTTIMEOUT, $timeout); + curl_setopt($fp, CURLOPT_REFERER, $url); + curl_setopt($fp, CURLOPT_USERAGENT, $useragent); + curl_setopt($fp, CURLOPT_HTTPHEADER, $headers2); + if (!ini_get('open_basedir') && !ini_get('safe_mode') && version_compare(SimplePie_Misc::get_curl_version(), '7.15.2', '>=')) + { + curl_setopt($fp, CURLOPT_FOLLOWLOCATION, 1); + curl_setopt($fp, CURLOPT_MAXREDIRS, $redirects); + } + + $this->headers = curl_exec($fp); + if (curl_errno($fp) === 23 || curl_errno($fp) === 61) + { + curl_setopt($fp, CURLOPT_ENCODING, 'none'); + $this->headers = curl_exec($fp); + } + if (curl_errno($fp)) + { + $this->error = 'cURL error ' . curl_errno($fp) . ': ' . curl_error($fp); + $this->success = false; + } + else + { + $info = curl_getinfo($fp); + curl_close($fp); + $this->headers = explode("\r\n\r\n", $this->headers, $info['redirect_count'] + 1); + $this->headers = array_pop($this->headers); + $parser = new SimplePie_HTTP_Parser($this->headers); + if ($parser->parse()) + { + $this->headers = $parser->headers; + $this->body = $parser->body; + $this->status_code = $parser->status_code; + if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects) + { + $this->redirects++; + $location = SimplePie_Misc::absolutize_url($this->headers['location'], $url); + return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen); + } + } + } + } + else + { + $this->method = SIMPLEPIE_FILE_SOURCE_REMOTE | SIMPLEPIE_FILE_SOURCE_FSOCKOPEN; + $url_parts = parse_url($url); + if (isset($url_parts['scheme']) && strtolower($url_parts['scheme']) === 'https') + { + $url_parts['host'] = "ssl://$url_parts[host]"; + $url_parts['port'] = 443; + } + if (!isset($url_parts['port'])) + { + $url_parts['port'] = 80; + } + $fp = @fsockopen($url_parts['host'], $url_parts['port'], $errno, $errstr, $timeout); + if (!$fp) + { + $this->error = 'fsockopen error: ' . $errstr; + $this->success = false; + } + else + { + stream_set_timeout($fp, $timeout); + if (isset($url_parts['path'])) + { + if (isset($url_parts['query'])) + { + $get = "$url_parts[path]?$url_parts[query]"; + } + else + { + $get = $url_parts['path']; + } + } + else + { + $get = '/'; + } + $out = "GET $get HTTP/1.0\r\n"; + $out .= "Host: $url_parts[host]\r\n"; + $out .= "User-Agent: $useragent\r\n"; + if (extension_loaded('zlib')) + { + $out .= "Accept-Encoding: x-gzip,gzip,deflate\r\n"; + } + + if (isset($url_parts['user']) && isset($url_parts['pass'])) + { + $out .= "Authorization: Basic " . base64_encode("$url_parts[user]:$url_parts[pass]") . "\r\n"; + } + foreach ($headers as $key => $value) + { + $out .= "$key: $value\r\n"; + } + $out .= "Connection: Close\r\n\r\n"; + fwrite($fp, $out); + + $info = stream_get_meta_data($fp); + + $this->headers = ''; + while (!$info['eof'] && !$info['timed_out']) + { + $this->headers .= fread($fp, 1160); + $info = stream_get_meta_data($fp); + } + if (!$info['timed_out']) + { + $parser = new SimplePie_HTTP_Parser($this->headers); + if ($parser->parse()) + { + $this->headers = $parser->headers; + $this->body = $parser->body; + $this->status_code = $parser->status_code; + if ((in_array($this->status_code, array(300, 301, 302, 303, 307)) || $this->status_code > 307 && $this->status_code < 400) && isset($this->headers['location']) && $this->redirects < $redirects) + { + $this->redirects++; + $location = SimplePie_Misc::absolutize_url($this->headers['location'], $url); + return $this->__construct($location, $timeout, $redirects, $headers, $useragent, $force_fsockopen); + } + if (isset($this->headers['content-encoding'])) + { + // Hey, we act dumb elsewhere, so let's do that here too + switch (strtolower(trim($this->headers['content-encoding'], "\x09\x0A\x0D\x20"))) + { + case 'gzip': + case 'x-gzip': + $decoder = new SimplePie_gzdecode($this->body); + if (!$decoder->parse()) + { + $this->error = 'Unable to decode HTTP "gzip" stream'; + $this->success = false; + } + else + { + $this->body = $decoder->data; + } + break; + + case 'deflate': + if (($body = gzuncompress($this->body)) === false) + { + if (($body = gzinflate($this->body)) === false) + { + $this->error = 'Unable to decode HTTP "deflate" stream'; + $this->success = false; + } + } + $this->body = $body; + break; + + default: + $this->error = 'Unknown content coding'; + $this->success = false; + } + } + } + } + else + { + $this->error = 'fsocket timed out'; + $this->success = false; + } + fclose($fp); + } + } + } + else + { + $this->method = SIMPLEPIE_FILE_SOURCE_LOCAL | SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS; + if (!$this->body = file_get_contents($url)) + { + $this->error = 'file_get_contents could not read the file'; + $this->success = false; + } + } + } +} + +/** + * HTTP Response Parser + * + * @package SimplePie + */ +class SimplePie_HTTP_Parser +{ + /** + * HTTP Version + * + * @access public + * @var float + */ + var $http_version = 0.0; + + /** + * Status code + * + * @access public + * @var int + */ + var $status_code = 0; + + /** + * Reason phrase + * + * @access public + * @var string + */ + var $reason = ''; + + /** + * Key/value pairs of the headers + * + * @access public + * @var array + */ + var $headers = array(); + + /** + * Body of the response + * + * @access public + * @var string + */ + var $body = ''; + + /** + * Current state of the state machine + * + * @access private + * @var string + */ + var $state = 'http_version'; + + /** + * Input data + * + * @access private + * @var string + */ + var $data = ''; + + /** + * Input data length (to avoid calling strlen() everytime this is needed) + * + * @access private + * @var int + */ + var $data_length = 0; + + /** + * Current position of the pointer + * + * @var int + * @access private + */ + var $position = 0; + + /** + * Name of the hedaer currently being parsed + * + * @access private + * @var string + */ + var $name = ''; + + /** + * Value of the hedaer currently being parsed + * + * @access private + * @var string + */ + var $value = ''; + + /** + * Create an instance of the class with the input data + * + * @access public + * @param string $data Input data + */ + public function __construct($data) + { + $this->data = $data; + $this->data_length = strlen($this->data); + } + + /** + * Parse the input data + * + * @access public + * @return bool true on success, false on failure + */ + public function parse() + { + while ($this->state && $this->state !== 'emit' && $this->has_data()) + { + $state = $this->state; + $this->$state(); + } + $this->data = ''; + if ($this->state === 'emit' || $this->state === 'body') + { + return true; + } + else + { + $this->http_version = ''; + $this->status_code = ''; + $this->reason = ''; + $this->headers = array(); + $this->body = ''; + return false; + } + } + + /** + * Check whether there is data beyond the pointer + * + * @access private + * @return bool true if there is further data, false if not + */ + public function has_data() + { + return (bool) ($this->position < $this->data_length); + } + + /** + * See if the next character is LWS + * + * @access private + * @return bool true if the next character is LWS, false if not + */ + public function is_linear_whitespace() + { + return (bool) ($this->data[$this->position] === "\x09" + || $this->data[$this->position] === "\x20" + || ($this->data[$this->position] === "\x0A" + && isset($this->data[$this->position + 1]) + && ($this->data[$this->position + 1] === "\x09" || $this->data[$this->position + 1] === "\x20"))); + } + + /** + * Parse the HTTP version + * + * @access private + */ + public function http_version() + { + if (strpos($this->data, "\x0A") !== false && strtoupper(substr($this->data, 0, 5)) === 'HTTP/') + { + $len = strspn($this->data, '0123456789.', 5); + $this->http_version = substr($this->data, 5, $len); + $this->position += 5 + $len; + if (substr_count($this->http_version, '.') <= 1) + { + $this->http_version = (float) $this->http_version; + $this->position += strspn($this->data, "\x09\x20", $this->position); + $this->state = 'status'; + } + else + { + $this->state = false; + } + } + else + { + $this->state = false; + } + } + + /** + * Parse the status code + * + * @access private + */ + public function status() + { + if ($len = strspn($this->data, '0123456789', $this->position)) + { + $this->status_code = (int) substr($this->data, $this->position, $len); + $this->position += $len; + $this->state = 'reason'; + } + else + { + $this->state = false; + } + } + + /** + * Parse the reason phrase + * + * @access private + */ + public function reason() + { + $len = strcspn($this->data, "\x0A", $this->position); + $this->reason = trim(substr($this->data, $this->position, $len), "\x09\x0D\x20"); + $this->position += $len + 1; + $this->state = 'new_line'; + } + + /** + * Deal with a new line, shifting data around as needed + * + * @access private + */ + public function new_line() + { + $this->value = trim($this->value, "\x0D\x20"); + if ($this->name !== '' && $this->value !== '') + { + $this->name = strtolower($this->name); + if (isset($this->headers[$this->name])) + { + $this->headers[$this->name] .= ', ' . $this->value; + } + else + { + $this->headers[$this->name] = $this->value; + } + } + $this->name = ''; + $this->value = ''; + if (substr($this->data[$this->position], 0, 2) === "\x0D\x0A") + { + $this->position += 2; + $this->state = 'body'; + } + elseif ($this->data[$this->position] === "\x0A") + { + $this->position++; + $this->state = 'body'; + } + else + { + $this->state = 'name'; + } + } + + /** + * Parse a header name + * + * @access private + */ + public function name() + { + $len = strcspn($this->data, "\x0A:", $this->position); + if (isset($this->data[$this->position + $len])) + { + if ($this->data[$this->position + $len] === "\x0A") + { + $this->position += $len; + $this->state = 'new_line'; + } + else + { + $this->name = substr($this->data, $this->position, $len); + $this->position += $len + 1; + $this->state = 'value'; + } + } + else + { + $this->state = false; + } + } + + /** + * Parse LWS, replacing consecutive LWS characters with a single space + * + * @access private + */ + public function linear_whitespace() + { + do + { + if (substr($this->data, $this->position, 2) === "\x0D\x0A") + { + $this->position += 2; + } + elseif ($this->data[$this->position] === "\x0A") + { + $this->position++; + } + $this->position += strspn($this->data, "\x09\x20", $this->position); + } while ($this->has_data() && $this->is_linear_whitespace()); + $this->value .= "\x20"; + } + + /** + * See what state to move to while within non-quoted header values + * + * @access private + */ + public function value() + { + if ($this->is_linear_whitespace()) + { + $this->linear_whitespace(); + } + else + { + switch ($this->data[$this->position]) + { + case '"': + $this->position++; + $this->state = 'quote'; + break; + + case "\x0A": + $this->position++; + $this->state = 'new_line'; + break; + + default: + $this->state = 'value_char'; + break; + } + } + } + + /** + * Parse a header value while outside quotes + * + * @access private + */ + public function value_char() + { + $len = strcspn($this->data, "\x09\x20\x0A\"", $this->position); + $this->value .= substr($this->data, $this->position, $len); + $this->position += $len; + $this->state = 'value'; + } + + /** + * See what state to move to while within quoted header values + * + * @access private + */ + public function quote() + { + if ($this->is_linear_whitespace()) + { + $this->linear_whitespace(); + } + else + { + switch ($this->data[$this->position]) + { + case '"': + $this->position++; + $this->state = 'value'; + break; + + case "\x0A": + $this->position++; + $this->state = 'new_line'; + break; + + case '\\': + $this->position++; + $this->state = 'quote_escaped'; + break; + + default: + $this->state = 'quote_char'; + break; + } + } + } + + /** + * Parse a header value while within quotes + * + * @access private + */ + public function quote_char() + { + $len = strcspn($this->data, "\x09\x20\x0A\"\\", $this->position); + $this->value .= substr($this->data, $this->position, $len); + $this->position += $len; + $this->state = 'value'; + } + + /** + * Parse an escaped character within quotes + * + * @access private + */ + public function quote_escaped() + { + $this->value .= $this->data[$this->position]; + $this->position++; + $this->state = 'quote'; + } + + /** + * Parse the body + * + * @access private + */ + public function body() + { + $this->body = substr($this->data, $this->position); + $this->state = 'emit'; + } +} + +/** + * gzdecode + * + * @package SimplePie + */ +class SimplePie_gzdecode +{ + /** + * Compressed data + * + * @access private + * @see gzdecode::$data + */ + var $compressed_data; + + /** + * Size of compressed data + * + * @access private + */ + var $compressed_size; + + /** + * Minimum size of a valid gzip string + * + * @access private + */ + var $min_compressed_size = 18; + + /** + * Current position of pointer + * + * @access private + */ + var $position = 0; + + /** + * Flags (FLG) + * + * @access private + */ + var $flags; + + /** + * Uncompressed data + * + * @access public + * @see gzdecode::$compressed_data + */ + var $data; + + /** + * Modified time + * + * @access public + */ + var $MTIME; + + /** + * Extra Flags + * + * @access public + */ + var $XFL; + + /** + * Operating System + * + * @access public + */ + var $OS; + + /** + * Subfield ID 1 + * + * @access public + * @see gzdecode::$extra_field + * @see gzdecode::$SI2 + */ + var $SI1; + + /** + * Subfield ID 2 + * + * @access public + * @see gzdecode::$extra_field + * @see gzdecode::$SI1 + */ + var $SI2; + + /** + * Extra field content + * + * @access public + * @see gzdecode::$SI1 + * @see gzdecode::$SI2 + */ + var $extra_field; + + /** + * Original filename + * + * @access public + */ + var $filename; + + /** + * Human readable comment + * + * @access public + */ + var $comment; + + /** + * Don't allow anything to be set + * + * @access public + */ + public function __set($name, $value) + { + trigger_error("Cannot write property $name", E_USER_ERROR); + } + + /** + * Set the compressed string and related properties + * + * @access public + */ + public function __construct($data) + { + $this->compressed_data = $data; + $this->compressed_size = strlen($data); + } + + /** + * Decode the GZIP stream + * + * @access public + */ + public function parse() + { + if ($this->compressed_size >= $this->min_compressed_size) + { + // Check ID1, ID2, and CM + if (substr($this->compressed_data, 0, 3) !== "\x1F\x8B\x08") + { + return false; + } + + // Get the FLG (FLaGs) + $this->flags = ord($this->compressed_data[3]); + + // FLG bits above (1 << 4) are reserved + if ($this->flags > 0x1F) + { + return false; + } + + // Advance the pointer after the above + $this->position += 4; + + // MTIME + $mtime = substr($this->compressed_data, $this->position, 4); + // Reverse the string if we're on a big-endian arch because l is the only signed long and is machine endianness + if (current(unpack('S', "\x00\x01")) === 1) + { + $mtime = strrev($mtime); + } + $this->MTIME = current(unpack('l', $mtime)); + $this->position += 4; + + // Get the XFL (eXtra FLags) + $this->XFL = ord($this->compressed_data[$this->position++]); + + // Get the OS (Operating System) + $this->OS = ord($this->compressed_data[$this->position++]); + + // Parse the FEXTRA + if ($this->flags & 4) + { + // Read subfield IDs + $this->SI1 = $this->compressed_data[$this->position++]; + $this->SI2 = $this->compressed_data[$this->position++]; + + // SI2 set to zero is reserved for future use + if ($this->SI2 === "\x00") + { + return false; + } + + // Get the length of the extra field + $len = current(unpack('v', substr($this->compressed_data, $this->position, 2))); + $position += 2; + + // Check the length of the string is still valid + $this->min_compressed_size += $len + 4; + if ($this->compressed_size >= $this->min_compressed_size) + { + // Set the extra field to the given data + $this->extra_field = substr($this->compressed_data, $this->position, $len); + $this->position += $len; + } + else + { + return false; + } + } + + // Parse the FNAME + if ($this->flags & 8) + { + // Get the length of the filename + $len = strcspn($this->compressed_data, "\x00", $this->position); + + // Check the length of the string is still valid + $this->min_compressed_size += $len + 1; + if ($this->compressed_size >= $this->min_compressed_size) + { + // Set the original filename to the given string + $this->filename = substr($this->compressed_data, $this->position, $len); + $this->position += $len + 1; + } + else + { + return false; + } + } + + // Parse the FCOMMENT + if ($this->flags & 16) + { + // Get the length of the comment + $len = strcspn($this->compressed_data, "\x00", $this->position); + + // Check the length of the string is still valid + $this->min_compressed_size += $len + 1; + if ($this->compressed_size >= $this->min_compressed_size) + { + // Set the original comment to the given string + $this->comment = substr($this->compressed_data, $this->position, $len); + $this->position += $len + 1; + } + else + { + return false; + } + } + + // Parse the FHCRC + if ($this->flags & 2) + { + // Check the length of the string is still valid + $this->min_compressed_size += $len + 2; + if ($this->compressed_size >= $this->min_compressed_size) + { + // Read the CRC + $crc = current(unpack('v', substr($this->compressed_data, $this->position, 2))); + + // Check the CRC matches + if ((crc32(substr($this->compressed_data, 0, $this->position)) & 0xFFFF) === $crc) + { + $this->position += 2; + } + else + { + return false; + } + } + else + { + return false; + } + } + + // Decompress the actual data + if (($this->data = gzinflate(substr($this->compressed_data, $this->position, -8))) === false) + { + return false; + } + else + { + $this->position = $this->compressed_size - 8; + } + + // Check CRC of data + $crc = current(unpack('V', substr($this->compressed_data, $this->position, 4))); + $this->position += 4; + /*if (extension_loaded('hash') && sprintf('%u', current(unpack('V', hash('crc32b', $this->data)))) !== sprintf('%u', $crc)) + { + return false; + }*/ + + // Check ISIZE of data + $isize = current(unpack('V', substr($this->compressed_data, $this->position, 4))); + $this->position += 4; + if (sprintf('%u', strlen($this->data) & 0xFFFFFFFF) !== sprintf('%u', $isize)) + { + return false; + } + + // Wow, against all odds, we've actually got a valid gzip string + return true; + } + else + { + return false; + } + } +} + +class SimplePie_Cache +{ + /** + * Don't call the constructor. Please. + * + * @access private + */ + private function __construct() + { + trigger_error('Please call SimplePie_Cache::create() instead of the constructor', E_USER_ERROR); + } + + /** + * Create a new SimplePie_Cache object + * + * @static + * @access public + */ + public static function create($location, $filename, $extension) + { + $location_iri = new SimplePie_IRI($location); + switch ($location_iri->get_scheme()) + { + case 'mysql': + if (extension_loaded('mysql')) + { + return new SimplePie_Cache_MySQL($location_iri, $filename, $extension); + } + break; + + default: + return new SimplePie_Cache_File($location, $filename, $extension); + } + } +} + +class SimplePie_Cache_File +{ + var $location; + var $filename; + var $extension; + var $name; + + public function __construct($location, $filename, $extension) + { + $this->location = $location; + $this->filename = $filename; + $this->extension = $extension; + $this->name = "$this->location/$this->filename.$this->extension"; + } + + public function save($data) + { + if (file_exists($this->name) && is_writeable($this->name) || file_exists($this->location) && is_writeable($this->location)) + { + if (is_a($data, 'SimplePie')) + { + $data = $data->data; + } + + $data = serialize($data); + return (bool) file_put_contents($this->name, $data); + } + return false; + } + + public function load() + { + if (file_exists($this->name) && is_readable($this->name)) + { + return unserialize(file_get_contents($this->name)); + } + return false; + } + + public function mtime() + { + if (file_exists($this->name)) + { + return filemtime($this->name); + } + return false; + } + + public function touch() + { + if (file_exists($this->name)) + { + return touch($this->name); + } + return false; + } + + public function unlink() + { + if (file_exists($this->name)) + { + return unlink($this->name); + } + return false; + } +} + +class SimplePie_Cache_DB +{ + public function prepare_simplepie_object_for_cache($data) + { + $items = $data->get_items(); + $items_by_id = array(); + + if (!empty($items)) + { + foreach ($items as $item) + { + $items_by_id[$item->get_id()] = $item; + } + + if (count($items_by_id) !== count($items)) + { + $items_by_id = array(); + foreach ($items as $item) + { + $items_by_id[$item->get_id(true)] = $item; + } + } + + if (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0])) + { + $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]; + } + elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0])) + { + $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]; + } + elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0])) + { + $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]; + } + elseif (isset($data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0])) + { + $channel =& $data->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['channel'][0]; + } + else + { + $channel = null; + } + + if ($channel !== null) + { + if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry'])) + { + unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry']); + } + if (isset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry'])) + { + unset($channel['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['entry']); + } + if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item'])) + { + unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item']); + } + if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item'])) + { + unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item']); + } + if (isset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item'])) + { + unset($channel['child'][SIMPLEPIE_NAMESPACE_RSS_20]['item']); + } + } + if (isset($data->data['items'])) + { + unset($data->data['items']); + } + if (isset($data->data['ordered_items'])) + { + unset($data->data['ordered_items']); + } + } + return array(serialize($data->data), $items_by_id); + } +} + +class SimplePie_Cache_MySQL extends SimplePie_Cache_DB +{ + var $mysql; + var $options; + var $id; + + public function __construct($mysql_location, $name, $extension) + { + $host = $mysql_location->get_host(); + if (stripos($host, 'unix(') === 0 && substr($host, -1) === ')') + { + $server = ':' . substr($host, 5, -1); + } + else + { + $server = $host; + if ($mysql_location->get_port() !== null) + { + $server .= ':' . $mysql_location->get_port(); + } + } + + if (strpos($mysql_location->get_userinfo(), ':') !== false) + { + list($username, $password) = explode(':', $mysql_location->get_userinfo(), 2); + } + else + { + $username = $mysql_location->get_userinfo(); + $password = null; + } + + if ($this->mysql = mysql_connect($server, $username, $password)) + { + $this->id = $name . $extension; + $this->options = SimplePie_Misc::parse_str($mysql_location->get_query()); + if (!isset($this->options['prefix'][0])) + { + $this->options['prefix'][0] = ''; + } + + if (mysql_select_db(ltrim($mysql_location->get_path(), '/')) + && mysql_query('SET NAMES utf8') + && ($query = mysql_unbuffered_query('SHOW TABLES'))) + { + $db = array(); + while ($row = mysql_fetch_row($query)) + { + $db[] = $row[0]; + } + + if (!in_array($this->options['prefix'][0] . 'cache_data', $db)) + { + if (!mysql_query('CREATE TABLE `' . $this->options['prefix'][0] . 'cache_data` (`id` TEXT CHARACTER SET utf8 NOT NULL, `items` SMALLINT NOT NULL DEFAULT 0, `data` BLOB NOT NULL, `mtime` INT UNSIGNED NOT NULL, UNIQUE (`id`(125)))')) + { + $this->mysql = null; + } + } + + if (!in_array($this->options['prefix'][0] . 'items', $db)) + { + if (!mysql_query('CREATE TABLE `' . $this->options['prefix'][0] . 'items` (`feed_id` TEXT CHARACTER SET utf8 NOT NULL, `id` TEXT CHARACTER SET utf8 NOT NULL, `data` TEXT CHARACTER SET utf8 NOT NULL, `posted` INT UNSIGNED NOT NULL, INDEX `feed_id` (`feed_id`(125)))')) + { + $this->mysql = null; + } + } + } + else + { + $this->mysql = null; + } + } + } + + public function save($data) + { + if ($this->mysql) + { + $feed_id = "'" . mysql_real_escape_string($this->id) . "'"; + + if (is_a($data, 'SimplePie')) + { + $data = clone $data; + + $prepared = $this->prepare_simplepie_object_for_cache($data); + + if ($query = mysql_query('SELECT `id` FROM `' . $this->options['prefix'][0] . 'cache_data` WHERE `id` = ' . $feed_id, $this->mysql)) + { + if (mysql_num_rows($query)) + { + $items = count($prepared[1]); + if ($items) + { + $sql = 'UPDATE `' . $this->options['prefix'][0] . 'cache_data` SET `items` = ' . $items . ', `data` = \'' . mysql_real_escape_string($prepared[0]) . '\', `mtime` = ' . time() . ' WHERE `id` = ' . $feed_id; + } + else + { + $sql = 'UPDATE `' . $this->options['prefix'][0] . 'cache_data` SET `data` = \'' . mysql_real_escape_string($prepared[0]) . '\', `mtime` = ' . time() . ' WHERE `id` = ' . $feed_id; + } + + if (!mysql_query($sql, $this->mysql)) + { + return false; + } + } + elseif (!mysql_query('INSERT INTO `' . $this->options['prefix'][0] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(' . $feed_id . ', ' . count($prepared[1]) . ', \'' . mysql_real_escape_string($prepared[0]) . '\', ' . time() . ')', $this->mysql)) + { + return false; + } + + $ids = array_keys($prepared[1]); + if (!empty($ids)) + { + foreach ($ids as $id) + { + $database_ids[] = mysql_real_escape_string($id); + } + + if ($query = mysql_unbuffered_query('SELECT `id` FROM `' . $this->options['prefix'][0] . 'items` WHERE `id` = \'' . implode('\' OR `id` = \'', $database_ids) . '\' AND `feed_id` = ' . $feed_id, $this->mysql)) + { + $existing_ids = array(); + while ($row = mysql_fetch_row($query)) + { + $existing_ids[] = $row[0]; + } + + $new_ids = array_diff($ids, $existing_ids); + + foreach ($new_ids as $new_id) + { + if (!($date = $prepared[1][$new_id]->get_date('U'))) + { + $date = time(); + } + + if (!mysql_query('INSERT INTO `' . $this->options['prefix'][0] . 'items` (`feed_id`, `id`, `data`, `posted`) VALUES(' . $feed_id . ', \'' . mysql_real_escape_string($new_id) . '\', \'' . mysql_real_escape_string(serialize($prepared[1][$new_id]->data)) . '\', ' . $date . ')', $this->mysql)) + { + return false; + } + } + return true; + } + } + else + { + return true; + } + } + } + elseif ($query = mysql_query('SELECT `id` FROM `' . $this->options['prefix'][0] . 'cache_data` WHERE `id` = ' . $feed_id, $this->mysql)) + { + if (mysql_num_rows($query)) + { + if (mysql_query('UPDATE `' . $this->options['prefix'][0] . 'cache_data` SET `items` = 0, `data` = \'' . mysql_real_escape_string(serialize($data)) . '\', `mtime` = ' . time() . ' WHERE `id` = ' . $feed_id, $this->mysql)) + { + return true; + } + } + elseif (mysql_query('INSERT INTO `' . $this->options['prefix'][0] . 'cache_data` (`id`, `items`, `data`, `mtime`) VALUES(\'' . mysql_real_escape_string($this->id) . '\', 0, \'' . mysql_real_escape_string(serialize($data)) . '\', ' . time() . ')', $this->mysql)) + { + return true; + } + } + } + return false; + } + + public function load() + { + if ($this->mysql && ($query = mysql_query('SELECT `items`, `data` FROM `' . $this->options['prefix'][0] . 'cache_data` WHERE `id` = \'' . mysql_real_escape_string($this->id) . "'", $this->mysql)) && ($row = mysql_fetch_row($query))) + { + $data = unserialize($row[1]); + + if (isset($this->options['items'][0])) + { + $items = (int) $this->options['items'][0]; + } + else + { + $items = (int) $row[0]; + } + + if ($items !== 0) + { + if (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0])) + { + $feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed'][0]; + } + elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0])) + { + $feed =& $data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed'][0]; + } + elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0])) + { + $feed =& $data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]; + } + elseif (isset($data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0])) + { + $feed =& $data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]; + } + else + { + $feed = null; + } + + if ($feed !== null) + { + $sql = 'SELECT `data` FROM `' . $this->options['prefix'][0] . 'items` WHERE `feed_id` = \'' . mysql_real_escape_string($this->id) . '\' ORDER BY `posted` DESC'; + if ($items > 0) + { + $sql .= ' LIMIT ' . $items; + } + + if ($query = mysql_unbuffered_query($sql, $this->mysql)) + { + while ($row = mysql_fetch_row($query)) + { + $feed['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['entry'][] = unserialize($row[0]); + } + } + else + { + return false; + } + } + } + return $data; + } + return false; + } + + public function mtime() + { + if ($this->mysql && ($query = mysql_query('SELECT `mtime` FROM `' . $this->options['prefix'][0] . 'cache_data` WHERE `id` = \'' . mysql_real_escape_string($this->id) . "'", $this->mysql)) && ($row = mysql_fetch_row($query))) + { + return $row[0]; + } + else + { + return false; + } + } + + public function touch() + { + if ($this->mysql && ($query = mysql_query('UPDATE `' . $this->options['prefix'][0] . 'cache_data` SET `mtime` = ' . time() . ' WHERE `id` = \'' . mysql_real_escape_string($this->id) . "'", $this->mysql)) && mysql_affected_rows($this->mysql)) + { + return true; + } + else + { + return false; + } + } + + public function unlink() + { + if ($this->mysql && ($query = mysql_query('DELETE FROM `' . $this->options['prefix'][0] . 'cache_data` WHERE `id` = \'' . mysql_real_escape_string($this->id) . "'", $this->mysql)) && ($query2 = mysql_query('DELETE FROM `' . $this->options['prefix'][0] . 'items` WHERE `feed_id` = \'' . mysql_real_escape_string($this->id) . "'", $this->mysql))) + { + return true; + } + else + { + return false; + } + } +} + +class SimplePie_Misc +{ + public static function time_hms($seconds) + { + $time = ''; + + $hours = floor($seconds / 3600); + $remainder = $seconds % 3600; + if ($hours > 0) + { + $time .= $hours.':'; + } + + $minutes = floor($remainder / 60); + $seconds = $remainder % 60; + if ($minutes < 10 && $hours > 0) + { + $minutes = '0' . $minutes; + } + if ($seconds < 10) + { + $seconds = '0' . $seconds; + } + + $time .= $minutes.':'; + $time .= $seconds; + + return $time; + } + + public static function absolutize_url($relative, $base) + { + $iri = SimplePie_IRI::absolutize(new SimplePie_IRI($base), $relative); + return $iri->get_iri(); + } + + public static function remove_dot_segments($input) + { + $output = ''; + while (strpos($input, './') !== false || strpos($input, '/.') !== false || $input === '.' || $input === '..') + { + // A: If the input buffer begins with a prefix of "../" or "./", then remove that prefix from the input buffer; otherwise, + if (strpos($input, '../') === 0) + { + $input = substr($input, 3); + } + elseif (strpos($input, './') === 0) + { + $input = substr($input, 2); + } + // B: if the input buffer begins with a prefix of "/./" or "/.", where "." is a complete path segment, then replace that prefix with "/" in the input buffer; otherwise, + elseif (strpos($input, '/./') === 0) + { + $input = substr_replace($input, '/', 0, 3); + } + elseif ($input === '/.') + { + $input = '/'; + } + // C: if the input buffer begins with a prefix of "/../" or "/..", where ".." is a complete path segment, then replace that prefix with "/" in the input buffer and remove the last segment and its preceding "/" (if any) from the output buffer; otherwise, + elseif (strpos($input, '/../') === 0) + { + $input = substr_replace($input, '/', 0, 4); + $output = substr_replace($output, '', strrpos($output, '/')); + } + elseif ($input === '/..') + { + $input = '/'; + $output = substr_replace($output, '', strrpos($output, '/')); + } + // D: if the input buffer consists only of "." or "..", then remove that from the input buffer; otherwise, + elseif ($input === '.' || $input === '..') + { + $input = ''; + } + // E: move the first path segment in the input buffer to the end of the output buffer, including the initial "/" character (if any) and any subsequent characters up to, but not including, the next "/" character or the end of the input buffer + elseif (($pos = strpos($input, '/', 1)) !== false) + { + $output .= substr($input, 0, $pos); + $input = substr_replace($input, '', 0, $pos); + } + else + { + $output .= $input; + $input = ''; + } + } + return $output . $input; + } + + public static function get_element($realname, $string) + { + $return = array(); + $name = preg_quote($realname, '/'); + if (preg_match_all("/<($name)" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . "(>(.*)<\/$name>|(\/)?>)/siU", $string, $matches, PREG_SET_ORDER | PREG_OFFSET_CAPTURE)) + { + for ($i = 0, $total_matches = count($matches); $i < $total_matches; $i++) + { + $return[$i]['tag'] = $realname; + $return[$i]['full'] = $matches[$i][0][0]; + $return[$i]['offset'] = $matches[$i][0][1]; + if (strlen($matches[$i][3][0]) <= 2) + { + $return[$i]['self_closing'] = true; + } + else + { + $return[$i]['self_closing'] = false; + $return[$i]['content'] = $matches[$i][4][0]; + } + $return[$i]['attribs'] = array(); + if (isset($matches[$i][2][0]) && preg_match_all('/[\x09\x0A\x0B\x0C\x0D\x20]+([^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*)(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"([^"]*)"|\'([^\']*)\'|([^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?/', ' ' . $matches[$i][2][0] . ' ', $attribs, PREG_SET_ORDER)) + { + for ($j = 0, $total_attribs = count($attribs); $j < $total_attribs; $j++) + { + if (count($attribs[$j]) === 2) + { + $attribs[$j][2] = $attribs[$j][1]; + } + $return[$i]['attribs'][strtolower($attribs[$j][1])]['data'] = SimplePie_Misc::entities_decode(end($attribs[$j]), 'UTF-8'); + } + } + } + } + return $return; + } + + public static function element_implode($element) + { + $full = "<$element[tag]"; + foreach ($element['attribs'] as $key => $value) + { + $key = strtolower($key); + $full .= " $key=\"" . htmlspecialchars($value['data']) . '"'; + } + if ($element['self_closing']) + { + $full .= ' />'; + } + else + { + $full .= ">$element[content]"; + } + return $full; + } + + public static function error($message, $level, $file, $line) + { + if ((ini_get('error_reporting') & $level) > 0) + { + switch ($level) + { + case E_USER_ERROR: + $note = 'PHP Error'; + break; + case E_USER_WARNING: + $note = 'PHP Warning'; + break; + case E_USER_NOTICE: + $note = 'PHP Notice'; + break; + default: + $note = 'Unknown Error'; + break; + } + + $log_error = true; + if (!function_exists('error_log')) + { + $log_error = false; + } + + $log_file = @ini_get('error_log'); + if (!empty($log_file) && ('syslog' != $log_file) && !@is_writable($log_file)) + { + $log_error = false; + } + + if ($log_error) + { + @error_log("$note: $message in $file on line $line", 0); + } + } + + return $message; + } + + public static function fix_protocol($url, $http = 1) + { + $url = SimplePie_Misc::normalize_url($url); + $parsed = SimplePie_Misc::parse_url($url); + if ($parsed['scheme'] !== '' && $parsed['scheme'] !== 'http' && $parsed['scheme'] !== 'https') + { + return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['authority'], $parsed['path'], $parsed['query'], $parsed['fragment']), $http); + } + + if ($parsed['scheme'] === '' && $parsed['authority'] === '' && !file_exists($url)) + { + return SimplePie_Misc::fix_protocol(SimplePie_Misc::compress_parse_url('http', $parsed['path'], '', $parsed['query'], $parsed['fragment']), $http); + } + + if ($http === 2 && $parsed['scheme'] !== '') + { + return "feed:$url"; + } + elseif ($http === 3 && strtolower($parsed['scheme']) === 'http') + { + return substr_replace($url, 'podcast', 0, 4); + } + elseif ($http === 4 && strtolower($parsed['scheme']) === 'http') + { + return substr_replace($url, 'itpc', 0, 4); + } + else + { + return $url; + } + } + + public static function parse_url($url) + { + $iri = new SimplePie_IRI($url); + return array( + 'scheme' => (string) $iri->get_scheme(), + 'authority' => (string) $iri->get_authority(), + 'path' => (string) $iri->get_path(), + 'query' => (string) $iri->get_query(), + 'fragment' => (string) $iri->get_fragment() + ); + } + + public static function compress_parse_url($scheme = '', $authority = '', $path = '', $query = '', $fragment = '') + { + $iri = new SimplePie_IRI(''); + $iri->set_scheme($scheme); + $iri->set_authority($authority); + $iri->set_path($path); + $iri->set_query($query); + $iri->set_fragment($fragment); + return $iri->get_iri(); + } + + public static function normalize_url($url) + { + $iri = new SimplePie_IRI($url); + return $iri->get_iri(); + } + + public static function percent_encoding_normalization($match) + { + $integer = hexdec($match[1]); + if ($integer >= 0x41 && $integer <= 0x5A || $integer >= 0x61 && $integer <= 0x7A || $integer >= 0x30 && $integer <= 0x39 || $integer === 0x2D || $integer === 0x2E || $integer === 0x5F || $integer === 0x7E) + { + return chr($integer); + } + else + { + return strtoupper($match[0]); + } + } + + /** + * Converts a Windows-1252 encoded string to a UTF-8 encoded string + * + * @static + * @access public + * @param string $string Windows-1252 encoded string + * @return string UTF-8 encoded string + */ + public static function windows_1252_to_utf8($string) + { + static $convert_table = array("\x80" => "\xE2\x82\xAC", "\x81" => "\xEF\xBF\xBD", "\x82" => "\xE2\x80\x9A", "\x83" => "\xC6\x92", "\x84" => "\xE2\x80\x9E", "\x85" => "\xE2\x80\xA6", "\x86" => "\xE2\x80\xA0", "\x87" => "\xE2\x80\xA1", "\x88" => "\xCB\x86", "\x89" => "\xE2\x80\xB0", "\x8A" => "\xC5\xA0", "\x8B" => "\xE2\x80\xB9", "\x8C" => "\xC5\x92", "\x8D" => "\xEF\xBF\xBD", "\x8E" => "\xC5\xBD", "\x8F" => "\xEF\xBF\xBD", "\x90" => "\xEF\xBF\xBD", "\x91" => "\xE2\x80\x98", "\x92" => "\xE2\x80\x99", "\x93" => "\xE2\x80\x9C", "\x94" => "\xE2\x80\x9D", "\x95" => "\xE2\x80\xA2", "\x96" => "\xE2\x80\x93", "\x97" => "\xE2\x80\x94", "\x98" => "\xCB\x9C", "\x99" => "\xE2\x84\xA2", "\x9A" => "\xC5\xA1", "\x9B" => "\xE2\x80\xBA", "\x9C" => "\xC5\x93", "\x9D" => "\xEF\xBF\xBD", "\x9E" => "\xC5\xBE", "\x9F" => "\xC5\xB8", "\xA0" => "\xC2\xA0", "\xA1" => "\xC2\xA1", "\xA2" => "\xC2\xA2", "\xA3" => "\xC2\xA3", "\xA4" => "\xC2\xA4", "\xA5" => "\xC2\xA5", "\xA6" => "\xC2\xA6", "\xA7" => "\xC2\xA7", "\xA8" => "\xC2\xA8", "\xA9" => "\xC2\xA9", "\xAA" => "\xC2\xAA", "\xAB" => "\xC2\xAB", "\xAC" => "\xC2\xAC", "\xAD" => "\xC2\xAD", "\xAE" => "\xC2\xAE", "\xAF" => "\xC2\xAF", "\xB0" => "\xC2\xB0", "\xB1" => "\xC2\xB1", "\xB2" => "\xC2\xB2", "\xB3" => "\xC2\xB3", "\xB4" => "\xC2\xB4", "\xB5" => "\xC2\xB5", "\xB6" => "\xC2\xB6", "\xB7" => "\xC2\xB7", "\xB8" => "\xC2\xB8", "\xB9" => "\xC2\xB9", "\xBA" => "\xC2\xBA", "\xBB" => "\xC2\xBB", "\xBC" => "\xC2\xBC", "\xBD" => "\xC2\xBD", "\xBE" => "\xC2\xBE", "\xBF" => "\xC2\xBF", "\xC0" => "\xC3\x80", "\xC1" => "\xC3\x81", "\xC2" => "\xC3\x82", "\xC3" => "\xC3\x83", "\xC4" => "\xC3\x84", "\xC5" => "\xC3\x85", "\xC6" => "\xC3\x86", "\xC7" => "\xC3\x87", "\xC8" => "\xC3\x88", "\xC9" => "\xC3\x89", "\xCA" => "\xC3\x8A", "\xCB" => "\xC3\x8B", "\xCC" => "\xC3\x8C", "\xCD" => "\xC3\x8D", "\xCE" => "\xC3\x8E", "\xCF" => "\xC3\x8F", "\xD0" => "\xC3\x90", "\xD1" => "\xC3\x91", "\xD2" => "\xC3\x92", "\xD3" => "\xC3\x93", "\xD4" => "\xC3\x94", "\xD5" => "\xC3\x95", "\xD6" => "\xC3\x96", "\xD7" => "\xC3\x97", "\xD8" => "\xC3\x98", "\xD9" => "\xC3\x99", "\xDA" => "\xC3\x9A", "\xDB" => "\xC3\x9B", "\xDC" => "\xC3\x9C", "\xDD" => "\xC3\x9D", "\xDE" => "\xC3\x9E", "\xDF" => "\xC3\x9F", "\xE0" => "\xC3\xA0", "\xE1" => "\xC3\xA1", "\xE2" => "\xC3\xA2", "\xE3" => "\xC3\xA3", "\xE4" => "\xC3\xA4", "\xE5" => "\xC3\xA5", "\xE6" => "\xC3\xA6", "\xE7" => "\xC3\xA7", "\xE8" => "\xC3\xA8", "\xE9" => "\xC3\xA9", "\xEA" => "\xC3\xAA", "\xEB" => "\xC3\xAB", "\xEC" => "\xC3\xAC", "\xED" => "\xC3\xAD", "\xEE" => "\xC3\xAE", "\xEF" => "\xC3\xAF", "\xF0" => "\xC3\xB0", "\xF1" => "\xC3\xB1", "\xF2" => "\xC3\xB2", "\xF3" => "\xC3\xB3", "\xF4" => "\xC3\xB4", "\xF5" => "\xC3\xB5", "\xF6" => "\xC3\xB6", "\xF7" => "\xC3\xB7", "\xF8" => "\xC3\xB8", "\xF9" => "\xC3\xB9", "\xFA" => "\xC3\xBA", "\xFB" => "\xC3\xBB", "\xFC" => "\xC3\xBC", "\xFD" => "\xC3\xBD", "\xFE" => "\xC3\xBE", "\xFF" => "\xC3\xBF"); + + return strtr($string, $convert_table); + } + + public static function change_encoding($data, $input, $output) + { + $input = SimplePie_Misc::encoding($input); + $output = SimplePie_Misc::encoding($output); + + // We fail to fail on non US-ASCII bytes + if ($input === 'US-ASCII') + { + static $non_ascii_octects = ''; + if (!$non_ascii_octects) + { + for ($i = 0x80; $i <= 0xFF; $i++) + { + $non_ascii_octects .= chr($i); + } + } + $data = substr($data, 0, strcspn($data, $non_ascii_octects)); + } + + // This is first, as behaviour of this is completely predictable + if ($input === 'windows-1252' && $output === 'UTF-8') + { + return SimplePie_Misc::windows_1252_to_utf8($data); + } + // This is second, as behaviour of this varies only with PHP version (the middle part of this expression checks the encoding is supported). + elseif (function_exists('mb_convert_encoding') && @mb_convert_encoding("\x80", 'UTF-16BE', $input) !== "\x00\x80" && ($return = @mb_convert_encoding($data, $output, $input))) + { + return $return; + } + // This is last, as behaviour of this varies with OS userland and PHP version + elseif (function_exists('iconv') && ($return = @iconv($input, $output, $data))) + { + return $return; + } + // If we can't do anything, just fail + else + { + return false; + } + } + + /** + * Normalize an encoding name + * + * This is automatically generated by create.php + * + * To generate it, run `php create.php` on the command line, and copy the + * output to replace this function. + * + * @param string $charset Character set to standardise + * @return string Standardised name + */ + public static function encoding($charset) + { + // Normalization from UTS #22 + switch (strtolower(preg_replace('/(?:[^a-zA-Z0-9]+|([^0-9])0+)/', '\1', $charset))) + { + case 'adobestandardencoding': + case 'csadobestandardencoding': + return 'Adobe-Standard-Encoding'; + + case 'adobesymbolencoding': + case 'cshppsmath': + return 'Adobe-Symbol-Encoding'; + + case 'ami1251': + case 'amiga1251': + return 'Amiga-1251'; + + case 'ansix31101983': + case 'csat5001983': + case 'csiso99naplps': + case 'isoir99': + case 'naplps': + return 'ANSI_X3.110-1983'; + + case 'arabic7': + case 'asmo449': + case 'csiso89asmo449': + case 'iso9036': + case 'isoir89': + return 'ASMO_449'; + + case 'big5': + case 'csbig5': + return 'Big5'; + + case 'big5hkscs': + return 'Big5-HKSCS'; + + case 'bocu1': + case 'csbocu1': + return 'BOCU-1'; + + case 'brf': + case 'csbrf': + return 'BRF'; + + case 'bs4730': + case 'csiso4unitedkingdom': + case 'gb': + case 'iso646gb': + case 'isoir4': + case 'uk': + return 'BS_4730'; + + case 'bsviewdata': + case 'csiso47bsviewdata': + case 'isoir47': + return 'BS_viewdata'; + + case 'cesu8': + case 'cscesu8': + return 'CESU-8'; + + case 'ca': + case 'csa71': + case 'csaz243419851': + case 'csiso121canadian1': + case 'iso646ca': + case 'isoir121': + return 'CSA_Z243.4-1985-1'; + + case 'csa72': + case 'csaz243419852': + case 'csiso122canadian2': + case 'iso646ca2': + case 'isoir122': + return 'CSA_Z243.4-1985-2'; + + case 'csaz24341985gr': + case 'csiso123csaz24341985gr': + case 'isoir123': + return 'CSA_Z243.4-1985-gr'; + + case 'csiso139csn369103': + case 'csn369103': + case 'isoir139': + return 'CSN_369103'; + + case 'csdecmcs': + case 'dec': + case 'decmcs': + return 'DEC-MCS'; + + case 'csiso21german': + case 'de': + case 'din66003': + case 'iso646de': + case 'isoir21': + return 'DIN_66003'; + + case 'csdkus': + case 'dkus': + return 'dk-us'; + + case 'csiso646danish': + case 'dk': + case 'ds2089': + case 'iso646dk': + return 'DS_2089'; + + case 'csibmebcdicatde': + case 'ebcdicatde': + return 'EBCDIC-AT-DE'; + + case 'csebcdicatdea': + case 'ebcdicatdea': + return 'EBCDIC-AT-DE-A'; + + case 'csebcdiccafr': + case 'ebcdiccafr': + return 'EBCDIC-CA-FR'; + + case 'csebcdicdkno': + case 'ebcdicdkno': + return 'EBCDIC-DK-NO'; + + case 'csebcdicdknoa': + case 'ebcdicdknoa': + return 'EBCDIC-DK-NO-A'; + + case 'csebcdices': + case 'ebcdices': + return 'EBCDIC-ES'; + + case 'csebcdicesa': + case 'ebcdicesa': + return 'EBCDIC-ES-A'; + + case 'csebcdicess': + case 'ebcdicess': + return 'EBCDIC-ES-S'; + + case 'csebcdicfise': + case 'ebcdicfise': + return 'EBCDIC-FI-SE'; + + case 'csebcdicfisea': + case 'ebcdicfisea': + return 'EBCDIC-FI-SE-A'; + + case 'csebcdicfr': + case 'ebcdicfr': + return 'EBCDIC-FR'; + + case 'csebcdicit': + case 'ebcdicit': + return 'EBCDIC-IT'; + + case 'csebcdicpt': + case 'ebcdicpt': + return 'EBCDIC-PT'; + + case 'csebcdicuk': + case 'ebcdicuk': + return 'EBCDIC-UK'; + + case 'csebcdicus': + case 'ebcdicus': + return 'EBCDIC-US'; + + case 'csiso111ecmacyrillic': + case 'ecmacyrillic': + case 'isoir111': + case 'koi8e': + return 'ECMA-cyrillic'; + + case 'csiso17spanish': + case 'es': + case 'iso646es': + case 'isoir17': + return 'ES'; + + case 'csiso85spanish2': + case 'es2': + case 'iso646es2': + case 'isoir85': + return 'ES2'; + + case 'cseucpkdfmtjapanese': + case 'eucjp': + case 'extendedunixcodepackedformatforjapanese': + return 'EUC-JP'; + + case 'cseucfixwidjapanese': + case 'extendedunixcodefixedwidthforjapanese': + return 'Extended_UNIX_Code_Fixed_Width_for_Japanese'; + + case 'gb18030': + return 'GB18030'; + + case 'chinese': + case 'cp936': + case 'csgb2312': + case 'csiso58gb231280': + case 'gb2312': + case 'gb231280': + case 'gbk': + case 'isoir58': + case 'ms936': + case 'windows936': + return 'GBK'; + + case 'cn': + case 'csiso57gb1988': + case 'gb198880': + case 'iso646cn': + case 'isoir57': + return 'GB_1988-80'; + + case 'csiso153gost1976874': + case 'gost1976874': + case 'isoir153': + case 'stsev35888': + return 'GOST_19768-74'; + + case 'csiso150': + case 'csiso150greekccitt': + case 'greekccitt': + case 'isoir150': + return 'greek-ccitt'; + + case 'csiso88greek7': + case 'greek7': + case 'isoir88': + return 'greek7'; + + case 'csiso18greek7old': + case 'greek7old': + case 'isoir18': + return 'greek7-old'; + + case 'cshpdesktop': + case 'hpdesktop': + return 'HP-DeskTop'; + + case 'cshplegal': + case 'hplegal': + return 'HP-Legal'; + + case 'cshpmath8': + case 'hpmath8': + return 'HP-Math8'; + + case 'cshppifont': + case 'hppifont': + return 'HP-Pi-font'; + + case 'cshproman8': + case 'hproman8': + case 'r8': + case 'roman8': + return 'hp-roman8'; + + case 'hzgb2312': + return 'HZ-GB-2312'; + + case 'csibmsymbols': + case 'ibmsymbols': + return 'IBM-Symbols'; + + case 'csibmthai': + case 'ibmthai': + return 'IBM-Thai'; + + case 'cp37': + case 'csibm37': + case 'ebcdiccpca': + case 'ebcdiccpnl': + case 'ebcdiccpus': + case 'ebcdiccpwt': + case 'ibm37': + return 'IBM037'; + + case 'cp38': + case 'csibm38': + case 'ebcdicint': + case 'ibm38': + return 'IBM038'; + + case 'cp273': + case 'csibm273': + case 'ibm273': + return 'IBM273'; + + case 'cp274': + case 'csibm274': + case 'ebcdicbe': + case 'ibm274': + return 'IBM274'; + + case 'cp275': + case 'csibm275': + case 'ebcdicbr': + case 'ibm275': + return 'IBM275'; + + case 'csibm277': + case 'ebcdiccpdk': + case 'ebcdiccpno': + case 'ibm277': + return 'IBM277'; + + case 'cp278': + case 'csibm278': + case 'ebcdiccpfi': + case 'ebcdiccpse': + case 'ibm278': + return 'IBM278'; + + case 'cp280': + case 'csibm280': + case 'ebcdiccpit': + case 'ibm280': + return 'IBM280'; + + case 'cp281': + case 'csibm281': + case 'ebcdicjpe': + case 'ibm281': + return 'IBM281'; + + case 'cp284': + case 'csibm284': + case 'ebcdiccpes': + case 'ibm284': + return 'IBM284'; + + case 'cp285': + case 'csibm285': + case 'ebcdiccpgb': + case 'ibm285': + return 'IBM285'; + + case 'cp290': + case 'csibm290': + case 'ebcdicjpkana': + case 'ibm290': + return 'IBM290'; + + case 'cp297': + case 'csibm297': + case 'ebcdiccpfr': + case 'ibm297': + return 'IBM297'; + + case 'cp420': + case 'csibm420': + case 'ebcdiccpar1': + case 'ibm420': + return 'IBM420'; + + case 'cp423': + case 'csibm423': + case 'ebcdiccpgr': + case 'ibm423': + return 'IBM423'; + + case 'cp424': + case 'csibm424': + case 'ebcdiccphe': + case 'ibm424': + return 'IBM424'; + + case '437': + case 'cp437': + case 'cspc8codepage437': + case 'ibm437': + return 'IBM437'; + + case 'cp500': + case 'csibm500': + case 'ebcdiccpbe': + case 'ebcdiccpch': + case 'ibm500': + return 'IBM500'; + + case 'cp775': + case 'cspc775baltic': + case 'ibm775': + return 'IBM775'; + + case '850': + case 'cp850': + case 'cspc850multilingual': + case 'ibm850': + return 'IBM850'; + + case '851': + case 'cp851': + case 'csibm851': + case 'ibm851': + return 'IBM851'; + + case '852': + case 'cp852': + case 'cspcp852': + case 'ibm852': + return 'IBM852'; + + case '855': + case 'cp855': + case 'csibm855': + case 'ibm855': + return 'IBM855'; + + case '857': + case 'cp857': + case 'csibm857': + case 'ibm857': + return 'IBM857'; + + case 'ccsid858': + case 'cp858': + case 'ibm858': + case 'pcmultilingual850euro': + return 'IBM00858'; + + case '860': + case 'cp860': + case 'csibm860': + case 'ibm860': + return 'IBM860'; + + case '861': + case 'cp861': + case 'cpis': + case 'csibm861': + case 'ibm861': + return 'IBM861'; + + case '862': + case 'cp862': + case 'cspc862latinhebrew': + case 'ibm862': + return 'IBM862'; + + case '863': + case 'cp863': + case 'csibm863': + case 'ibm863': + return 'IBM863'; + + case 'cp864': + case 'csibm864': + case 'ibm864': + return 'IBM864'; + + case '865': + case 'cp865': + case 'csibm865': + case 'ibm865': + return 'IBM865'; + + case '866': + case 'cp866': + case 'csibm866': + case 'ibm866': + return 'IBM866'; + + case 'cp868': + case 'cpar': + case 'csibm868': + case 'ibm868': + return 'IBM868'; + + case '869': + case 'cp869': + case 'cpgr': + case 'csibm869': + case 'ibm869': + return 'IBM869'; + + case 'cp870': + case 'csibm870': + case 'ebcdiccproece': + case 'ebcdiccpyu': + case 'ibm870': + return 'IBM870'; + + case 'cp871': + case 'csibm871': + case 'ebcdiccpis': + case 'ibm871': + return 'IBM871'; + + case 'cp880': + case 'csibm880': + case 'ebcdiccyrillic': + case 'ibm880': + return 'IBM880'; + + case 'cp891': + case 'csibm891': + case 'ibm891': + return 'IBM891'; + + case 'cp903': + case 'csibm903': + case 'ibm903': + return 'IBM903'; + + case '904': + case 'cp904': + case 'csibbm904': + case 'ibm904': + return 'IBM904'; + + case 'cp905': + case 'csibm905': + case 'ebcdiccptr': + case 'ibm905': + return 'IBM905'; + + case 'cp918': + case 'csibm918': + case 'ebcdiccpar2': + case 'ibm918': + return 'IBM918'; + + case 'ccsid924': + case 'cp924': + case 'ebcdiclatin9euro': + case 'ibm924': + return 'IBM00924'; + + case 'cp1026': + case 'csibm1026': + case 'ibm1026': + return 'IBM1026'; + + case 'ibm1047': + return 'IBM1047'; + + case 'ccsid1140': + case 'cp1140': + case 'ebcdicus37euro': + case 'ibm1140': + return 'IBM01140'; + + case 'ccsid1141': + case 'cp1141': + case 'ebcdicde273euro': + case 'ibm1141': + return 'IBM01141'; + + case 'ccsid1142': + case 'cp1142': + case 'ebcdicdk277euro': + case 'ebcdicno277euro': + case 'ibm1142': + return 'IBM01142'; + + case 'ccsid1143': + case 'cp1143': + case 'ebcdicfi278euro': + case 'ebcdicse278euro': + case 'ibm1143': + return 'IBM01143'; + + case 'ccsid1144': + case 'cp1144': + case 'ebcdicit280euro': + case 'ibm1144': + return 'IBM01144'; + + case 'ccsid1145': + case 'cp1145': + case 'ebcdices284euro': + case 'ibm1145': + return 'IBM01145'; + + case 'ccsid1146': + case 'cp1146': + case 'ebcdicgb285euro': + case 'ibm1146': + return 'IBM01146'; + + case 'ccsid1147': + case 'cp1147': + case 'ebcdicfr297euro': + case 'ibm1147': + return 'IBM01147'; + + case 'ccsid1148': + case 'cp1148': + case 'ebcdicinternational500euro': + case 'ibm1148': + return 'IBM01148'; + + case 'ccsid1149': + case 'cp1149': + case 'ebcdicis871euro': + case 'ibm1149': + return 'IBM01149'; + + case 'csiso143iecp271': + case 'iecp271': + case 'isoir143': + return 'IEC_P27-1'; + + case 'csiso49inis': + case 'inis': + case 'isoir49': + return 'INIS'; + + case 'csiso50inis8': + case 'inis8': + case 'isoir50': + return 'INIS-8'; + + case 'csiso51iniscyrillic': + case 'iniscyrillic': + case 'isoir51': + return 'INIS-cyrillic'; + + case 'csinvariant': + case 'invariant': + return 'INVARIANT'; + + case 'iso2022cn': + return 'ISO-2022-CN'; + + case 'iso2022cnext': + return 'ISO-2022-CN-EXT'; + + case 'csiso2022jp': + case 'iso2022jp': + return 'ISO-2022-JP'; + + case 'csiso2022jp2': + case 'iso2022jp2': + return 'ISO-2022-JP-2'; + + case 'csiso2022kr': + case 'iso2022kr': + return 'ISO-2022-KR'; + + case 'cswindows30latin1': + case 'iso88591windows30latin1': + return 'ISO-8859-1-Windows-3.0-Latin-1'; + + case 'cswindows31latin1': + case 'iso88591windows31latin1': + return 'ISO-8859-1-Windows-3.1-Latin-1'; + + case 'csisolatin2': + case 'iso88592': + case 'iso885921987': + case 'isoir101': + case 'l2': + case 'latin2': + return 'ISO-8859-2'; + + case 'cswindows31latin2': + case 'iso88592windowslatin2': + return 'ISO-8859-2-Windows-Latin-2'; + + case 'csisolatin3': + case 'iso88593': + case 'iso885931988': + case 'isoir109': + case 'l3': + case 'latin3': + return 'ISO-8859-3'; + + case 'csisolatin4': + case 'iso88594': + case 'iso885941988': + case 'isoir110': + case 'l4': + case 'latin4': + return 'ISO-8859-4'; + + case 'csisolatincyrillic': + case 'cyrillic': + case 'iso88595': + case 'iso885951988': + case 'isoir144': + return 'ISO-8859-5'; + + case 'arabic': + case 'asmo708': + case 'csisolatinarabic': + case 'ecma114': + case 'iso88596': + case 'iso885961987': + case 'isoir127': + return 'ISO-8859-6'; + + case 'csiso88596e': + case 'iso88596e': + return 'ISO-8859-6-E'; + + case 'csiso88596i': + case 'iso88596i': + return 'ISO-8859-6-I'; + + case 'csisolatingreek': + case 'ecma118': + case 'elot928': + case 'greek': + case 'greek8': + case 'iso88597': + case 'iso885971987': + case 'isoir126': + return 'ISO-8859-7'; + + case 'csisolatinhebrew': + case 'hebrew': + case 'iso88598': + case 'iso885981988': + case 'isoir138': + return 'ISO-8859-8'; + + case 'csiso88598e': + case 'iso88598e': + return 'ISO-8859-8-E'; + + case 'csiso88598i': + case 'iso88598i': + return 'ISO-8859-8-I'; + + case 'cswindows31latin5': + case 'iso88599windowslatin5': + return 'ISO-8859-9-Windows-Latin-5'; + + case 'csisolatin6': + case 'iso885910': + case 'iso8859101992': + case 'isoir157': + case 'l6': + case 'latin6': + return 'ISO-8859-10'; + + case 'iso885913': + return 'ISO-8859-13'; + + case 'iso885914': + case 'iso8859141998': + case 'isoceltic': + case 'isoir199': + case 'l8': + case 'latin8': + return 'ISO-8859-14'; + + case 'iso885915': + case 'latin9': + return 'ISO-8859-15'; + + case 'iso885916': + case 'iso8859162001': + case 'isoir226': + case 'l10': + case 'latin10': + return 'ISO-8859-16'; + + case 'iso10646j1': + return 'ISO-10646-J-1'; + + case 'csunicode': + case 'iso10646ucs2': + return 'ISO-10646-UCS-2'; + + case 'csucs4': + case 'iso10646ucs4': + return 'ISO-10646-UCS-4'; + + case 'csunicodeascii': + case 'iso10646ucsbasic': + return 'ISO-10646-UCS-Basic'; + + case 'csunicodelatin1': + case 'iso10646': + case 'iso10646unicodelatin1': + return 'ISO-10646-Unicode-Latin1'; + + case 'csiso10646utf1': + case 'iso10646utf1': + return 'ISO-10646-UTF-1'; + + case 'csiso115481': + case 'iso115481': + case 'isotr115481': + return 'ISO-11548-1'; + + case 'csiso90': + case 'isoir90': + return 'iso-ir-90'; + + case 'csunicodeibm1261': + case 'isounicodeibm1261': + return 'ISO-Unicode-IBM-1261'; + + case 'csunicodeibm1264': + case 'isounicodeibm1264': + return 'ISO-Unicode-IBM-1264'; + + case 'csunicodeibm1265': + case 'isounicodeibm1265': + return 'ISO-Unicode-IBM-1265'; + + case 'csunicodeibm1268': + case 'isounicodeibm1268': + return 'ISO-Unicode-IBM-1268'; + + case 'csunicodeibm1276': + case 'isounicodeibm1276': + return 'ISO-Unicode-IBM-1276'; + + case 'csiso646basic1983': + case 'iso646basic1983': + case 'ref': + return 'ISO_646.basic:1983'; + + case 'csiso2intlrefversion': + case 'irv': + case 'iso646irv1983': + case 'isoir2': + return 'ISO_646.irv:1983'; + + case 'csiso2033': + case 'e13b': + case 'iso20331983': + case 'isoir98': + return 'ISO_2033-1983'; + + case 'csiso5427cyrillic': + case 'iso5427': + case 'isoir37': + return 'ISO_5427'; + + case 'iso5427cyrillic1981': + case 'iso54271981': + case 'isoir54': + return 'ISO_5427:1981'; + + case 'csiso5428greek': + case 'iso54281980': + case 'isoir55': + return 'ISO_5428:1980'; + + case 'csiso6937add': + case 'iso6937225': + case 'isoir152': + return 'ISO_6937-2-25'; + + case 'csisotextcomm': + case 'iso69372add': + case 'isoir142': + return 'ISO_6937-2-add'; + + case 'csiso8859supp': + case 'iso8859supp': + case 'isoir154': + case 'latin125': + return 'ISO_8859-supp'; + + case 'csiso10367box': + case 'iso10367box': + case 'isoir155': + return 'ISO_10367-box'; + + case 'csiso15italian': + case 'iso646it': + case 'isoir15': + case 'it': + return 'IT'; + + case 'csiso13jisc6220jp': + case 'isoir13': + case 'jisc62201969': + case 'jisc62201969jp': + case 'katakana': + case 'x2017': + return 'JIS_C6220-1969-jp'; + + case 'csiso14jisc6220ro': + case 'iso646jp': + case 'isoir14': + case 'jisc62201969ro': + case 'jp': + return 'JIS_C6220-1969-ro'; + + case 'csiso42jisc62261978': + case 'isoir42': + case 'jisc62261978': + return 'JIS_C6226-1978'; + + case 'csiso87jisx208': + case 'isoir87': + case 'jisc62261983': + case 'jisx2081983': + case 'x208': + return 'JIS_C6226-1983'; + + case 'csiso91jisc62291984a': + case 'isoir91': + case 'jisc62291984a': + case 'jpocra': + return 'JIS_C6229-1984-a'; + + case 'csiso92jisc62991984b': + case 'iso646jpocrb': + case 'isoir92': + case 'jisc62291984b': + case 'jpocrb': + return 'JIS_C6229-1984-b'; + + case 'csiso93jis62291984badd': + case 'isoir93': + case 'jisc62291984badd': + case 'jpocrbadd': + return 'JIS_C6229-1984-b-add'; + + case 'csiso94jis62291984hand': + case 'isoir94': + case 'jisc62291984hand': + case 'jpocrhand': + return 'JIS_C6229-1984-hand'; + + case 'csiso95jis62291984handadd': + case 'isoir95': + case 'jisc62291984handadd': + case 'jpocrhandadd': + return 'JIS_C6229-1984-hand-add'; + + case 'csiso96jisc62291984kana': + case 'isoir96': + case 'jisc62291984kana': + return 'JIS_C6229-1984-kana'; + + case 'csjisencoding': + case 'jisencoding': + return 'JIS_Encoding'; + + case 'cshalfwidthkatakana': + case 'jisx201': + case 'x201': + return 'JIS_X0201'; + + case 'csiso159jisx2121990': + case 'isoir159': + case 'jisx2121990': + case 'x212': + return 'JIS_X0212-1990'; + + case 'csiso141jusib1002': + case 'iso646yu': + case 'isoir141': + case 'js': + case 'jusib1002': + case 'yu': + return 'JUS_I.B1.002'; + + case 'csiso147macedonian': + case 'isoir147': + case 'jusib1003mac': + case 'macedonian': + return 'JUS_I.B1.003-mac'; + + case 'csiso146serbian': + case 'isoir146': + case 'jusib1003serb': + case 'serbian': + return 'JUS_I.B1.003-serb'; + + case 'koi7switched': + return 'KOI7-switched'; + + case 'cskoi8r': + case 'koi8r': + return 'KOI8-R'; + + case 'koi8u': + return 'KOI8-U'; + + case 'csksc5636': + case 'iso646kr': + case 'ksc5636': + return 'KSC5636'; + + case 'cskz1048': + case 'kz1048': + case 'rk1048': + case 'strk10482002': + return 'KZ-1048'; + + case 'csiso19latingreek': + case 'isoir19': + case 'latingreek': + return 'latin-greek'; + + case 'csiso27latingreek1': + case 'isoir27': + case 'latingreek1': + return 'Latin-greek-1'; + + case 'csiso158lap': + case 'isoir158': + case 'lap': + case 'latinlap': + return 'latin-lap'; + + case 'csmacintosh': + case 'mac': + case 'macintosh': + return 'macintosh'; + + case 'csmicrosoftpublishing': + case 'microsoftpublishing': + return 'Microsoft-Publishing'; + + case 'csmnem': + case 'mnem': + return 'MNEM'; + + case 'csmnemonic': + case 'mnemonic': + return 'MNEMONIC'; + + case 'csiso86hungarian': + case 'hu': + case 'iso646hu': + case 'isoir86': + case 'msz77953': + return 'MSZ_7795.3'; + + case 'csnatsdano': + case 'isoir91': + case 'natsdano': + return 'NATS-DANO'; + + case 'csnatsdanoadd': + case 'isoir92': + case 'natsdanoadd': + return 'NATS-DANO-ADD'; + + case 'csnatssefi': + case 'isoir81': + case 'natssefi': + return 'NATS-SEFI'; + + case 'csnatssefiadd': + case 'isoir82': + case 'natssefiadd': + return 'NATS-SEFI-ADD'; + + case 'csiso151cuba': + case 'cuba': + case 'iso646cu': + case 'isoir151': + case 'ncnc1081': + return 'NC_NC00-10:81'; + + case 'csiso69french': + case 'fr': + case 'iso646fr': + case 'isoir69': + case 'nfz62010': + return 'NF_Z_62-010'; + + case 'csiso25french': + case 'iso646fr1': + case 'isoir25': + case 'nfz620101973': + return 'NF_Z_62-010_(1973)'; + + case 'csiso60danishnorwegian': + case 'csiso60norwegian1': + case 'iso646no': + case 'isoir60': + case 'no': + case 'ns45511': + return 'NS_4551-1'; + + case 'csiso61norwegian2': + case 'iso646no2': + case 'isoir61': + case 'no2': + case 'ns45512': + return 'NS_4551-2'; + + case 'osdebcdicdf3irv': + return 'OSD_EBCDIC_DF03_IRV'; + + case 'osdebcdicdf41': + return 'OSD_EBCDIC_DF04_1'; + + case 'osdebcdicdf415': + return 'OSD_EBCDIC_DF04_15'; + + case 'cspc8danishnorwegian': + case 'pc8danishnorwegian': + return 'PC8-Danish-Norwegian'; + + case 'cspc8turkish': + case 'pc8turkish': + return 'PC8-Turkish'; + + case 'csiso16portuguese': + case 'iso646pt': + case 'isoir16': + case 'pt': + return 'PT'; + + case 'csiso84portuguese2': + case 'iso646pt2': + case 'isoir84': + case 'pt2': + return 'PT2'; + + case 'cp154': + case 'csptcp154': + case 'cyrillicasian': + case 'pt154': + case 'ptcp154': + return 'PTCP154'; + + case 'scsu': + return 'SCSU'; + + case 'csiso10swedish': + case 'fi': + case 'iso646fi': + case 'iso646se': + case 'isoir10': + case 'se': + case 'sen850200b': + return 'SEN_850200_B'; + + case 'csiso11swedishfornames': + case 'iso646se2': + case 'isoir11': + case 'se2': + case 'sen850200c': + return 'SEN_850200_C'; + + case 'csiso102t617bit': + case 'isoir102': + case 't617bit': + return 'T.61-7bit'; + + case 'csiso103t618bit': + case 'isoir103': + case 't61': + case 't618bit': + return 'T.61-8bit'; + + case 'csiso128t101g2': + case 'isoir128': + case 't101g2': + return 'T.101-G2'; + + case 'cstscii': + case 'tscii': + return 'TSCII'; + + case 'csunicode11': + case 'unicode11': + return 'UNICODE-1-1'; + + case 'csunicode11utf7': + case 'unicode11utf7': + return 'UNICODE-1-1-UTF-7'; + + case 'csunknown8bit': + case 'unknown8bit': + return 'UNKNOWN-8BIT'; + + case 'ansix341968': + case 'ansix341986': + case 'ascii': + case 'cp367': + case 'csascii': + case 'ibm367': + case 'iso646irv1991': + case 'iso646us': + case 'isoir6': + case 'us': + case 'usascii': + return 'US-ASCII'; + + case 'csusdk': + case 'usdk': + return 'us-dk'; + + case 'utf7': + return 'UTF-7'; + + case 'utf8': + return 'UTF-8'; + + case 'utf16': + return 'UTF-16'; + + case 'utf16be': + return 'UTF-16BE'; + + case 'utf16le': + return 'UTF-16LE'; + + case 'utf32': + return 'UTF-32'; + + case 'utf32be': + return 'UTF-32BE'; + + case 'utf32le': + return 'UTF-32LE'; + + case 'csventurainternational': + case 'venturainternational': + return 'Ventura-International'; + + case 'csventuramath': + case 'venturamath': + return 'Ventura-Math'; + + case 'csventuraus': + case 'venturaus': + return 'Ventura-US'; + + case 'csiso70videotexsupp1': + case 'isoir70': + case 'videotexsuppl': + return 'videotex-suppl'; + + case 'csviqr': + case 'viqr': + return 'VIQR'; + + case 'csviscii': + case 'viscii': + return 'VISCII'; + + case 'csshiftjis': + case 'cswindows31j': + case 'mskanji': + case 'shiftjis': + case 'windows31j': + return 'Windows-31J'; + + case 'iso885911': + case 'tis620': + return 'windows-874'; + + case 'cseuckr': + case 'csksc56011987': + case 'euckr': + case 'isoir149': + case 'korean': + case 'ksc5601': + case 'ksc56011987': + case 'ksc56011989': + case 'windows949': + //return 'windows-949'; + return 'EUC-KR'; + + case 'windows1250': + return 'windows-1250'; + + case 'windows1251': + return 'windows-1251'; + + case 'cp819': + case 'csisolatin1': + case 'ibm819': + case 'iso88591': + case 'iso885911987': + case 'isoir100': + case 'l1': + case 'latin1': + case 'windows1252': + return 'windows-1252'; + + case 'windows1253': + return 'windows-1253'; + + case 'csisolatin5': + case 'iso88599': + case 'iso885991989': + case 'isoir148': + case 'l5': + case 'latin5': + case 'windows1254': + return 'windows-1254'; + + case 'windows1255': + return 'windows-1255'; + + case 'windows1256': + return 'windows-1256'; + + case 'windows1257': + return 'windows-1257'; + + case 'windows1258': + return 'windows-1258'; + + default: + return $charset; + } + } + + public static function get_curl_version() + { + if (is_array($curl = curl_version())) + { + $curl = $curl['version']; + } + elseif (substr($curl, 0, 5) === 'curl/') + { + $curl = substr($curl, 5, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 5)); + } + elseif (substr($curl, 0, 8) === 'libcurl/') + { + $curl = substr($curl, 8, strcspn($curl, "\x09\x0A\x0B\x0C\x0D", 8)); + } + else + { + $curl = 0; + } + return $curl; + } + + public static function is_subclass_of($class1, $class2) + { + if (func_num_args() !== 2) + { + trigger_error('Wrong parameter count for SimplePie_Misc::is_subclass_of()', E_USER_WARNING); + } + elseif (version_compare(PHP_VERSION, '5.0.3', '>=') || is_object($class1)) + { + return is_subclass_of($class1, $class2); + } + elseif (is_string($class1) && is_string($class2)) + { + if (class_exists($class1)) + { + if (class_exists($class2)) + { + $class2 = strtolower($class2); + while ($class1 = strtolower(get_parent_class($class1))) + { + if ($class1 === $class2) + { + return true; + } + } + } + } + else + { + trigger_error('Unknown class passed as parameter', E_USER_WARNNG); + } + } + return false; + } + + /** + * Strip HTML comments + * + * @access public + * @param string $data Data to strip comments from + * @return string Comment stripped string + */ + public static function strip_comments($data) + { + $output = ''; + while (($start = strpos($data, '', $start)) !== false) + { + $data = substr_replace($data, '', 0, $end + 3); + } + else + { + $data = ''; + } + } + return $output . $data; + } + + public static function parse_date($dt) + { + $parser = SimplePie_Parse_Date::get(); + return $parser->parse($dt); + } + + /** + * Decode HTML entities + * + * @static + * @access public + * @param string $data Input data + * @return string Output data + */ + public static function entities_decode($data) + { + $decoder = new SimplePie_Decode_HTML_Entities($data); + return $decoder->parse(); + } + + /** + * Remove RFC822 comments + * + * @access public + * @param string $data Data to strip comments from + * @return string Comment stripped string + */ + public static function uncomment_rfc822($string) + { + $string = (string) $string; + $position = 0; + $length = strlen($string); + $depth = 0; + + $output = ''; + + while ($position < $length && ($pos = strpos($string, '(', $position)) !== false) + { + $output .= substr($string, $position, $pos - $position); + $position = $pos + 1; + if ($string[$pos - 1] !== '\\') + { + $depth++; + while ($depth && $position < $length) + { + $position += strcspn($string, '()', $position); + if ($string[$position - 1] === '\\') + { + $position++; + continue; + } + elseif (isset($string[$position])) + { + switch ($string[$position]) + { + case '(': + $depth++; + break; + + case ')': + $depth--; + break; + } + $position++; + } + else + { + break; + } + } + } + else + { + $output .= '('; + } + } + $output .= substr($string, $position); + + return $output; + } + + public static function parse_mime($mime) + { + if (($pos = strpos($mime, ';')) === false) + { + return trim($mime); + } + else + { + return trim(substr($mime, 0, $pos)); + } + } + + public static function htmlspecialchars_decode($string, $quote_style) + { + if (function_exists('htmlspecialchars_decode')) + { + return htmlspecialchars_decode($string, $quote_style); + } + else + { + return strtr($string, array_flip(get_html_translation_table(HTML_SPECIALCHARS, $quote_style))); + } + } + + public static function atom_03_construct_type($attribs) + { + if (isset($attribs['']['mode']) && strtolower(trim($attribs['']['mode']) === 'base64')) + { + $mode = SIMPLEPIE_CONSTRUCT_BASE64; + } + else + { + $mode = SIMPLEPIE_CONSTRUCT_NONE; + } + if (isset($attribs['']['type'])) + { + switch (strtolower(trim($attribs['']['type']))) + { + case 'text': + case 'text/plain': + return SIMPLEPIE_CONSTRUCT_TEXT | $mode; + + case 'html': + case 'text/html': + return SIMPLEPIE_CONSTRUCT_HTML | $mode; + + case 'xhtml': + case 'application/xhtml+xml': + return SIMPLEPIE_CONSTRUCT_XHTML | $mode; + + default: + return SIMPLEPIE_CONSTRUCT_NONE | $mode; + } + } + else + { + return SIMPLEPIE_CONSTRUCT_TEXT | $mode; + } + } + + public static function atom_10_construct_type($attribs) + { + if (isset($attribs['']['type'])) + { + switch (strtolower(trim($attribs['']['type']))) + { + case 'text': + return SIMPLEPIE_CONSTRUCT_TEXT; + + case 'html': + return SIMPLEPIE_CONSTRUCT_HTML; + + case 'xhtml': + return SIMPLEPIE_CONSTRUCT_XHTML; + + default: + return SIMPLEPIE_CONSTRUCT_NONE; + } + } + return SIMPLEPIE_CONSTRUCT_TEXT; + } + + public static function atom_10_content_construct_type($attribs) + { + if (isset($attribs['']['type'])) + { + $type = strtolower(trim($attribs['']['type'])); + switch ($type) + { + case 'text': + return SIMPLEPIE_CONSTRUCT_TEXT; + + case 'html': + return SIMPLEPIE_CONSTRUCT_HTML; + + case 'xhtml': + return SIMPLEPIE_CONSTRUCT_XHTML; + } + if (in_array(substr($type, -4), array('+xml', '/xml')) || substr($type, 0, 5) === 'text/') + { + return SIMPLEPIE_CONSTRUCT_NONE; + } + else + { + return SIMPLEPIE_CONSTRUCT_BASE64; + } + } + else + { + return SIMPLEPIE_CONSTRUCT_TEXT; + } + } + + public static function is_isegment_nz_nc($string) + { + return (bool) preg_match('/^([A-Za-z0-9\-._~\x{A0}-\x{D7FF}\x{F900}-\x{FDCF}\x{FDF0}-\x{FFEF}\x{10000}-\x{1FFFD}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}\x{40000}-\x{4FFFD}\x{50000}-\x{5FFFD}\x{60000}-\x{6FFFD}\x{70000}-\x{7FFFD}\x{80000}-\x{8FFFD}\x{90000}-\x{9FFFD}\x{A0000}-\x{AFFFD}\x{B0000}-\x{BFFFD}\x{C0000}-\x{CFFFD}\x{D0000}-\x{DFFFD}\x{E1000}-\x{EFFFD}!$&\'()*+,;=@]|(%[0-9ABCDEF]{2}))+$/u', $string); + } + + public static function space_seperated_tokens($string) + { + $space_characters = "\x20\x09\x0A\x0B\x0C\x0D"; + $string_length = strlen($string); + + $position = strspn($string, $space_characters); + $tokens = array(); + + while ($position < $string_length) + { + $len = strcspn($string, $space_characters, $position); + $tokens[] = substr($string, $position, $len); + $position += $len; + $position += strspn($string, $space_characters, $position); + } + + return $tokens; + } + + public static function array_unique($array) + { + if (version_compare(PHP_VERSION, '5.2', '>=')) + { + return array_unique($array); + } + else + { + $array = (array) $array; + $new_array = array(); + $new_array_strings = array(); + foreach ($array as $key => $value) + { + if (is_object($value)) + { + if (method_exists($value, '__toString')) + { + $cmp = $value->__toString(); + } + else + { + trigger_error('Object of class ' . get_class($value) . ' could not be converted to string', E_USER_ERROR); + } + } + elseif (is_array($value)) + { + $cmp = (string) reset($value); + } + else + { + $cmp = (string) $value; + } + if (!in_array($cmp, $new_array_strings)) + { + $new_array[$key] = $value; + $new_array_strings[] = $cmp; + } + } + return $new_array; + } + } + + /** + * Converts a unicode codepoint to a UTF-8 character + * + * @static + * @access public + * @param int $codepoint Unicode codepoint + * @return string UTF-8 character + */ + public static function codepoint_to_utf8($codepoint) + { + $codepoint = (int) $codepoint; + if ($codepoint < 0) + { + return false; + } + else if ($codepoint <= 0x7f) + { + return chr($codepoint); + } + else if ($codepoint <= 0x7ff) + { + return chr(0xc0 | ($codepoint >> 6)) . chr(0x80 | ($codepoint & 0x3f)); + } + else if ($codepoint <= 0xffff) + { + return chr(0xe0 | ($codepoint >> 12)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f)); + } + else if ($codepoint <= 0x10ffff) + { + return chr(0xf0 | ($codepoint >> 18)) . chr(0x80 | (($codepoint >> 12) & 0x3f)) . chr(0x80 | (($codepoint >> 6) & 0x3f)) . chr(0x80 | ($codepoint & 0x3f)); + } + else + { + // U+FFFD REPLACEMENT CHARACTER + return "\xEF\xBF\xBD"; + } + } + + /** + * Similar to parse_str() + * + * Returns an associative array of name/value pairs, where the value is an + * array of values that have used the same name + * + * @static + * @access string + * @param string $str The input string. + * @return array + */ + public static function parse_str($str) + { + $return = array(); + $str = explode('&', $str); + + foreach ($str as $section) + { + if (strpos($section, '=') !== false) + { + list($name, $value) = explode('=', $section, 2); + $return[urldecode($name)][] = urldecode($value); + } + else + { + $return[urldecode($section)][] = null; + } + } + + return $return; + } + + /** + * Detect XML encoding, as per XML 1.0 Appendix F.1 + * + * @todo Add support for EBCDIC + * @param string $data XML data + * @return array Possible encodings + */ + public static function xml_encoding($data) + { + // UTF-32 Big Endian BOM + if (substr($data, 0, 4) === "\x00\x00\xFE\xFF") + { + $encoding[] = 'UTF-32BE'; + } + // UTF-32 Little Endian BOM + elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00") + { + $encoding[] = 'UTF-32LE'; + } + // UTF-16 Big Endian BOM + elseif (substr($data, 0, 2) === "\xFE\xFF") + { + $encoding[] = 'UTF-16BE'; + } + // UTF-16 Little Endian BOM + elseif (substr($data, 0, 2) === "\xFF\xFE") + { + $encoding[] = 'UTF-16LE'; + } + // UTF-8 BOM + elseif (substr($data, 0, 3) === "\xEF\xBB\xBF") + { + $encoding[] = 'UTF-8'; + } + // UTF-32 Big Endian Without BOM + elseif (substr($data, 0, 20) === "\x00\x00\x00\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C") + { + if ($pos = strpos($data, "\x00\x00\x00\x3F\x00\x00\x00\x3E")) + { + $parser = new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32BE', 'UTF-8')); + if ($parser->parse()) + { + $encoding[] = $parser->encoding; + } + } + $encoding[] = 'UTF-32BE'; + } + // UTF-32 Little Endian Without BOM + elseif (substr($data, 0, 20) === "\x3C\x00\x00\x00\x3F\x00\x00\x00\x78\x00\x00\x00\x6D\x00\x00\x00\x6C\x00\x00\x00") + { + if ($pos = strpos($data, "\x3F\x00\x00\x00\x3E\x00\x00\x00")) + { + $parser = new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 20), 'UTF-32LE', 'UTF-8')); + if ($parser->parse()) + { + $encoding[] = $parser->encoding; + } + } + $encoding[] = 'UTF-32LE'; + } + // UTF-16 Big Endian Without BOM + elseif (substr($data, 0, 10) === "\x00\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C") + { + if ($pos = strpos($data, "\x00\x3F\x00\x3E")) + { + $parser = new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16BE', 'UTF-8')); + if ($parser->parse()) + { + $encoding[] = $parser->encoding; + } + } + $encoding[] = 'UTF-16BE'; + } + // UTF-16 Little Endian Without BOM + elseif (substr($data, 0, 10) === "\x3C\x00\x3F\x00\x78\x00\x6D\x00\x6C\x00") + { + if ($pos = strpos($data, "\x3F\x00\x3E\x00")) + { + $parser = new SimplePie_XML_Declaration_Parser(SimplePie_Misc::change_encoding(substr($data, 20, $pos - 10), 'UTF-16LE', 'UTF-8')); + if ($parser->parse()) + { + $encoding[] = $parser->encoding; + } + } + $encoding[] = 'UTF-16LE'; + } + // US-ASCII (or superset) + elseif (substr($data, 0, 5) === "\x3C\x3F\x78\x6D\x6C") + { + if ($pos = strpos($data, "\x3F\x3E")) + { + $parser = new SimplePie_XML_Declaration_Parser(substr($data, 5, $pos - 5)); + if ($parser->parse()) + { + $encoding[] = $parser->encoding; + } + } + $encoding[] = 'UTF-8'; + } + // Fallback to UTF-8 + else + { + $encoding[] = 'UTF-8'; + } + return $encoding; + } + + public static function output_javascript() + { + if (function_exists('ob_gzhandler')) + { + ob_start('ob_gzhandler'); + } + header('Content-type: text/javascript; charset: UTF-8'); + header('Cache-Control: must-revalidate'); + header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 604800) . ' GMT'); // 7 days + ?> +function embed_odeo(link) { + document.writeln(''); +} + +function embed_quicktime(type, bgcolor, width, height, link, placeholder, loop) { + if (placeholder != '') { + document.writeln(''); + } + else { + document.writeln(''); + } +} + +function embed_flash(bgcolor, width, height, link, loop, type) { + document.writeln(''); +} + +function embed_flv(width, height, link, placeholder, loop, player) { + document.writeln(''); +} + +function embed_wmedia(width, height, link) { + document.writeln(''); +} + data = $data; + } + + /** + * Parse the input data + * + * @access public + * @return string Output data + */ + public function parse() + { + while (($this->position = strpos($this->data, '&', $this->position)) !== false) + { + $this->consume(); + $this->entity(); + $this->consumed = ''; + } + return $this->data; + } + + /** + * Consume the next byte + * + * @access private + * @return mixed The next byte, or false, if there is no more data + */ + public function consume() + { + if (isset($this->data[$this->position])) + { + $this->consumed .= $this->data[$this->position]; + return $this->data[$this->position++]; + } + else + { + return false; + } + } + + /** + * Consume a range of characters + * + * @access private + * @param string $chars Characters to consume + * @return mixed A series of characters that match the range, or false + */ + public function consume_range($chars) + { + if ($len = strspn($this->data, $chars, $this->position)) + { + $data = substr($this->data, $this->position, $len); + $this->consumed .= $data; + $this->position += $len; + return $data; + } + else + { + return false; + } + } + + /** + * Unconsume one byte + * + * @access private + */ + public function unconsume() + { + $this->consumed = substr($this->consumed, 0, -1); + $this->position--; + } + + /** + * Decode an entity + * + * @access private + */ + public function entity() + { + switch ($this->consume()) + { + case "\x09": + case "\x0A": + case "\x0B": + case "\x0B": + case "\x0C": + case "\x20": + case "\x3C": + case "\x26": + case false: + break; + + case "\x23": + switch ($this->consume()) + { + case "\x78": + case "\x58": + $range = '0123456789ABCDEFabcdef'; + $hex = true; + break; + + default: + $range = '0123456789'; + $hex = false; + $this->unconsume(); + break; + } + + if ($codepoint = $this->consume_range($range)) + { + static $windows_1252_specials = array(0x0D => "\x0A", 0x80 => "\xE2\x82\xAC", 0x81 => "\xEF\xBF\xBD", 0x82 => "\xE2\x80\x9A", 0x83 => "\xC6\x92", 0x84 => "\xE2\x80\x9E", 0x85 => "\xE2\x80\xA6", 0x86 => "\xE2\x80\xA0", 0x87 => "\xE2\x80\xA1", 0x88 => "\xCB\x86", 0x89 => "\xE2\x80\xB0", 0x8A => "\xC5\xA0", 0x8B => "\xE2\x80\xB9", 0x8C => "\xC5\x92", 0x8D => "\xEF\xBF\xBD", 0x8E => "\xC5\xBD", 0x8F => "\xEF\xBF\xBD", 0x90 => "\xEF\xBF\xBD", 0x91 => "\xE2\x80\x98", 0x92 => "\xE2\x80\x99", 0x93 => "\xE2\x80\x9C", 0x94 => "\xE2\x80\x9D", 0x95 => "\xE2\x80\xA2", 0x96 => "\xE2\x80\x93", 0x97 => "\xE2\x80\x94", 0x98 => "\xCB\x9C", 0x99 => "\xE2\x84\xA2", 0x9A => "\xC5\xA1", 0x9B => "\xE2\x80\xBA", 0x9C => "\xC5\x93", 0x9D => "\xEF\xBF\xBD", 0x9E => "\xC5\xBE", 0x9F => "\xC5\xB8"); + + if ($hex) + { + $codepoint = hexdec($codepoint); + } + else + { + $codepoint = intval($codepoint); + } + + if (isset($windows_1252_specials[$codepoint])) + { + $replacement = $windows_1252_specials[$codepoint]; + } + else + { + $replacement = SimplePie_Misc::codepoint_to_utf8($codepoint); + } + + if (!in_array($this->consume(), array(';', false), true)) + { + $this->unconsume(); + } + + $consumed_length = strlen($this->consumed); + $this->data = substr_replace($this->data, $replacement, $this->position - $consumed_length, $consumed_length); + $this->position += strlen($replacement) - $consumed_length; + } + break; + + default: + static $entities = array('Aacute' => "\xC3\x81", 'aacute' => "\xC3\xA1", 'Aacute;' => "\xC3\x81", 'aacute;' => "\xC3\xA1", 'Acirc' => "\xC3\x82", 'acirc' => "\xC3\xA2", 'Acirc;' => "\xC3\x82", 'acirc;' => "\xC3\xA2", 'acute' => "\xC2\xB4", 'acute;' => "\xC2\xB4", 'AElig' => "\xC3\x86", 'aelig' => "\xC3\xA6", 'AElig;' => "\xC3\x86", 'aelig;' => "\xC3\xA6", 'Agrave' => "\xC3\x80", 'agrave' => "\xC3\xA0", 'Agrave;' => "\xC3\x80", 'agrave;' => "\xC3\xA0", 'alefsym;' => "\xE2\x84\xB5", 'Alpha;' => "\xCE\x91", 'alpha;' => "\xCE\xB1", 'AMP' => "\x26", 'amp' => "\x26", 'AMP;' => "\x26", 'amp;' => "\x26", 'and;' => "\xE2\x88\xA7", 'ang;' => "\xE2\x88\xA0", 'apos;' => "\x27", 'Aring' => "\xC3\x85", 'aring' => "\xC3\xA5", 'Aring;' => "\xC3\x85", 'aring;' => "\xC3\xA5", 'asymp;' => "\xE2\x89\x88", 'Atilde' => "\xC3\x83", 'atilde' => "\xC3\xA3", 'Atilde;' => "\xC3\x83", 'atilde;' => "\xC3\xA3", 'Auml' => "\xC3\x84", 'auml' => "\xC3\xA4", 'Auml;' => "\xC3\x84", 'auml;' => "\xC3\xA4", 'bdquo;' => "\xE2\x80\x9E", 'Beta;' => "\xCE\x92", 'beta;' => "\xCE\xB2", 'brvbar' => "\xC2\xA6", 'brvbar;' => "\xC2\xA6", 'bull;' => "\xE2\x80\xA2", 'cap;' => "\xE2\x88\xA9", 'Ccedil' => "\xC3\x87", 'ccedil' => "\xC3\xA7", 'Ccedil;' => "\xC3\x87", 'ccedil;' => "\xC3\xA7", 'cedil' => "\xC2\xB8", 'cedil;' => "\xC2\xB8", 'cent' => "\xC2\xA2", 'cent;' => "\xC2\xA2", 'Chi;' => "\xCE\xA7", 'chi;' => "\xCF\x87", 'circ;' => "\xCB\x86", 'clubs;' => "\xE2\x99\xA3", 'cong;' => "\xE2\x89\x85", 'COPY' => "\xC2\xA9", 'copy' => "\xC2\xA9", 'COPY;' => "\xC2\xA9", 'copy;' => "\xC2\xA9", 'crarr;' => "\xE2\x86\xB5", 'cup;' => "\xE2\x88\xAA", 'curren' => "\xC2\xA4", 'curren;' => "\xC2\xA4", 'Dagger;' => "\xE2\x80\xA1", 'dagger;' => "\xE2\x80\xA0", 'dArr;' => "\xE2\x87\x93", 'darr;' => "\xE2\x86\x93", 'deg' => "\xC2\xB0", 'deg;' => "\xC2\xB0", 'Delta;' => "\xCE\x94", 'delta;' => "\xCE\xB4", 'diams;' => "\xE2\x99\xA6", 'divide' => "\xC3\xB7", 'divide;' => "\xC3\xB7", 'Eacute' => "\xC3\x89", 'eacute' => "\xC3\xA9", 'Eacute;' => "\xC3\x89", 'eacute;' => "\xC3\xA9", 'Ecirc' => "\xC3\x8A", 'ecirc' => "\xC3\xAA", 'Ecirc;' => "\xC3\x8A", 'ecirc;' => "\xC3\xAA", 'Egrave' => "\xC3\x88", 'egrave' => "\xC3\xA8", 'Egrave;' => "\xC3\x88", 'egrave;' => "\xC3\xA8", 'empty;' => "\xE2\x88\x85", 'emsp;' => "\xE2\x80\x83", 'ensp;' => "\xE2\x80\x82", 'Epsilon;' => "\xCE\x95", 'epsilon;' => "\xCE\xB5", 'equiv;' => "\xE2\x89\xA1", 'Eta;' => "\xCE\x97", 'eta;' => "\xCE\xB7", 'ETH' => "\xC3\x90", 'eth' => "\xC3\xB0", 'ETH;' => "\xC3\x90", 'eth;' => "\xC3\xB0", 'Euml' => "\xC3\x8B", 'euml' => "\xC3\xAB", 'Euml;' => "\xC3\x8B", 'euml;' => "\xC3\xAB", 'euro;' => "\xE2\x82\xAC", 'exist;' => "\xE2\x88\x83", 'fnof;' => "\xC6\x92", 'forall;' => "\xE2\x88\x80", 'frac12' => "\xC2\xBD", 'frac12;' => "\xC2\xBD", 'frac14' => "\xC2\xBC", 'frac14;' => "\xC2\xBC", 'frac34' => "\xC2\xBE", 'frac34;' => "\xC2\xBE", 'frasl;' => "\xE2\x81\x84", 'Gamma;' => "\xCE\x93", 'gamma;' => "\xCE\xB3", 'ge;' => "\xE2\x89\xA5", 'GT' => "\x3E", 'gt' => "\x3E", 'GT;' => "\x3E", 'gt;' => "\x3E", 'hArr;' => "\xE2\x87\x94", 'harr;' => "\xE2\x86\x94", 'hearts;' => "\xE2\x99\xA5", 'hellip;' => "\xE2\x80\xA6", 'Iacute' => "\xC3\x8D", 'iacute' => "\xC3\xAD", 'Iacute;' => "\xC3\x8D", 'iacute;' => "\xC3\xAD", 'Icirc' => "\xC3\x8E", 'icirc' => "\xC3\xAE", 'Icirc;' => "\xC3\x8E", 'icirc;' => "\xC3\xAE", 'iexcl' => "\xC2\xA1", 'iexcl;' => "\xC2\xA1", 'Igrave' => "\xC3\x8C", 'igrave' => "\xC3\xAC", 'Igrave;' => "\xC3\x8C", 'igrave;' => "\xC3\xAC", 'image;' => "\xE2\x84\x91", 'infin;' => "\xE2\x88\x9E", 'int;' => "\xE2\x88\xAB", 'Iota;' => "\xCE\x99", 'iota;' => "\xCE\xB9", 'iquest' => "\xC2\xBF", 'iquest;' => "\xC2\xBF", 'isin;' => "\xE2\x88\x88", 'Iuml' => "\xC3\x8F", 'iuml' => "\xC3\xAF", 'Iuml;' => "\xC3\x8F", 'iuml;' => "\xC3\xAF", 'Kappa;' => "\xCE\x9A", 'kappa;' => "\xCE\xBA", 'Lambda;' => "\xCE\x9B", 'lambda;' => "\xCE\xBB", 'lang;' => "\xE3\x80\x88", 'laquo' => "\xC2\xAB", 'laquo;' => "\xC2\xAB", 'lArr;' => "\xE2\x87\x90", 'larr;' => "\xE2\x86\x90", 'lceil;' => "\xE2\x8C\x88", 'ldquo;' => "\xE2\x80\x9C", 'le;' => "\xE2\x89\xA4", 'lfloor;' => "\xE2\x8C\x8A", 'lowast;' => "\xE2\x88\x97", 'loz;' => "\xE2\x97\x8A", 'lrm;' => "\xE2\x80\x8E", 'lsaquo;' => "\xE2\x80\xB9", 'lsquo;' => "\xE2\x80\x98", 'LT' => "\x3C", 'lt' => "\x3C", 'LT;' => "\x3C", 'lt;' => "\x3C", 'macr' => "\xC2\xAF", 'macr;' => "\xC2\xAF", 'mdash;' => "\xE2\x80\x94", 'micro' => "\xC2\xB5", 'micro;' => "\xC2\xB5", 'middot' => "\xC2\xB7", 'middot;' => "\xC2\xB7", 'minus;' => "\xE2\x88\x92", 'Mu;' => "\xCE\x9C", 'mu;' => "\xCE\xBC", 'nabla;' => "\xE2\x88\x87", 'nbsp' => "\xC2\xA0", 'nbsp;' => "\xC2\xA0", 'ndash;' => "\xE2\x80\x93", 'ne;' => "\xE2\x89\xA0", 'ni;' => "\xE2\x88\x8B", 'not' => "\xC2\xAC", 'not;' => "\xC2\xAC", 'notin;' => "\xE2\x88\x89", 'nsub;' => "\xE2\x8A\x84", 'Ntilde' => "\xC3\x91", 'ntilde' => "\xC3\xB1", 'Ntilde;' => "\xC3\x91", 'ntilde;' => "\xC3\xB1", 'Nu;' => "\xCE\x9D", 'nu;' => "\xCE\xBD", 'Oacute' => "\xC3\x93", 'oacute' => "\xC3\xB3", 'Oacute;' => "\xC3\x93", 'oacute;' => "\xC3\xB3", 'Ocirc' => "\xC3\x94", 'ocirc' => "\xC3\xB4", 'Ocirc;' => "\xC3\x94", 'ocirc;' => "\xC3\xB4", 'OElig;' => "\xC5\x92", 'oelig;' => "\xC5\x93", 'Ograve' => "\xC3\x92", 'ograve' => "\xC3\xB2", 'Ograve;' => "\xC3\x92", 'ograve;' => "\xC3\xB2", 'oline;' => "\xE2\x80\xBE", 'Omega;' => "\xCE\xA9", 'omega;' => "\xCF\x89", 'Omicron;' => "\xCE\x9F", 'omicron;' => "\xCE\xBF", 'oplus;' => "\xE2\x8A\x95", 'or;' => "\xE2\x88\xA8", 'ordf' => "\xC2\xAA", 'ordf;' => "\xC2\xAA", 'ordm' => "\xC2\xBA", 'ordm;' => "\xC2\xBA", 'Oslash' => "\xC3\x98", 'oslash' => "\xC3\xB8", 'Oslash;' => "\xC3\x98", 'oslash;' => "\xC3\xB8", 'Otilde' => "\xC3\x95", 'otilde' => "\xC3\xB5", 'Otilde;' => "\xC3\x95", 'otilde;' => "\xC3\xB5", 'otimes;' => "\xE2\x8A\x97", 'Ouml' => "\xC3\x96", 'ouml' => "\xC3\xB6", 'Ouml;' => "\xC3\x96", 'ouml;' => "\xC3\xB6", 'para' => "\xC2\xB6", 'para;' => "\xC2\xB6", 'part;' => "\xE2\x88\x82", 'permil;' => "\xE2\x80\xB0", 'perp;' => "\xE2\x8A\xA5", 'Phi;' => "\xCE\xA6", 'phi;' => "\xCF\x86", 'Pi;' => "\xCE\xA0", 'pi;' => "\xCF\x80", 'piv;' => "\xCF\x96", 'plusmn' => "\xC2\xB1", 'plusmn;' => "\xC2\xB1", 'pound' => "\xC2\xA3", 'pound;' => "\xC2\xA3", 'Prime;' => "\xE2\x80\xB3", 'prime;' => "\xE2\x80\xB2", 'prod;' => "\xE2\x88\x8F", 'prop;' => "\xE2\x88\x9D", 'Psi;' => "\xCE\xA8", 'psi;' => "\xCF\x88", 'QUOT' => "\x22", 'quot' => "\x22", 'QUOT;' => "\x22", 'quot;' => "\x22", 'radic;' => "\xE2\x88\x9A", 'rang;' => "\xE3\x80\x89", 'raquo' => "\xC2\xBB", 'raquo;' => "\xC2\xBB", 'rArr;' => "\xE2\x87\x92", 'rarr;' => "\xE2\x86\x92", 'rceil;' => "\xE2\x8C\x89", 'rdquo;' => "\xE2\x80\x9D", 'real;' => "\xE2\x84\x9C", 'REG' => "\xC2\xAE", 'reg' => "\xC2\xAE", 'REG;' => "\xC2\xAE", 'reg;' => "\xC2\xAE", 'rfloor;' => "\xE2\x8C\x8B", 'Rho;' => "\xCE\xA1", 'rho;' => "\xCF\x81", 'rlm;' => "\xE2\x80\x8F", 'rsaquo;' => "\xE2\x80\xBA", 'rsquo;' => "\xE2\x80\x99", 'sbquo;' => "\xE2\x80\x9A", 'Scaron;' => "\xC5\xA0", 'scaron;' => "\xC5\xA1", 'sdot;' => "\xE2\x8B\x85", 'sect' => "\xC2\xA7", 'sect;' => "\xC2\xA7", 'shy' => "\xC2\xAD", 'shy;' => "\xC2\xAD", 'Sigma;' => "\xCE\xA3", 'sigma;' => "\xCF\x83", 'sigmaf;' => "\xCF\x82", 'sim;' => "\xE2\x88\xBC", 'spades;' => "\xE2\x99\xA0", 'sub;' => "\xE2\x8A\x82", 'sube;' => "\xE2\x8A\x86", 'sum;' => "\xE2\x88\x91", 'sup;' => "\xE2\x8A\x83", 'sup1' => "\xC2\xB9", 'sup1;' => "\xC2\xB9", 'sup2' => "\xC2\xB2", 'sup2;' => "\xC2\xB2", 'sup3' => "\xC2\xB3", 'sup3;' => "\xC2\xB3", 'supe;' => "\xE2\x8A\x87", 'szlig' => "\xC3\x9F", 'szlig;' => "\xC3\x9F", 'Tau;' => "\xCE\xA4", 'tau;' => "\xCF\x84", 'there4;' => "\xE2\x88\xB4", 'Theta;' => "\xCE\x98", 'theta;' => "\xCE\xB8", 'thetasym;' => "\xCF\x91", 'thinsp;' => "\xE2\x80\x89", 'THORN' => "\xC3\x9E", 'thorn' => "\xC3\xBE", 'THORN;' => "\xC3\x9E", 'thorn;' => "\xC3\xBE", 'tilde;' => "\xCB\x9C", 'times' => "\xC3\x97", 'times;' => "\xC3\x97", 'TRADE;' => "\xE2\x84\xA2", 'trade;' => "\xE2\x84\xA2", 'Uacute' => "\xC3\x9A", 'uacute' => "\xC3\xBA", 'Uacute;' => "\xC3\x9A", 'uacute;' => "\xC3\xBA", 'uArr;' => "\xE2\x87\x91", 'uarr;' => "\xE2\x86\x91", 'Ucirc' => "\xC3\x9B", 'ucirc' => "\xC3\xBB", 'Ucirc;' => "\xC3\x9B", 'ucirc;' => "\xC3\xBB", 'Ugrave' => "\xC3\x99", 'ugrave' => "\xC3\xB9", 'Ugrave;' => "\xC3\x99", 'ugrave;' => "\xC3\xB9", 'uml' => "\xC2\xA8", 'uml;' => "\xC2\xA8", 'upsih;' => "\xCF\x92", 'Upsilon;' => "\xCE\xA5", 'upsilon;' => "\xCF\x85", 'Uuml' => "\xC3\x9C", 'uuml' => "\xC3\xBC", 'Uuml;' => "\xC3\x9C", 'uuml;' => "\xC3\xBC", 'weierp;' => "\xE2\x84\x98", 'Xi;' => "\xCE\x9E", 'xi;' => "\xCE\xBE", 'Yacute' => "\xC3\x9D", 'yacute' => "\xC3\xBD", 'Yacute;' => "\xC3\x9D", 'yacute;' => "\xC3\xBD", 'yen' => "\xC2\xA5", 'yen;' => "\xC2\xA5", 'yuml' => "\xC3\xBF", 'Yuml;' => "\xC5\xB8", 'yuml;' => "\xC3\xBF", 'Zeta;' => "\xCE\x96", 'zeta;' => "\xCE\xB6", 'zwj;' => "\xE2\x80\x8D", 'zwnj;' => "\xE2\x80\x8C"); + + for ($i = 0, $match = null; $i < 9 && $this->consume() !== false; $i++) + { + $consumed = substr($this->consumed, 1); + if (isset($entities[$consumed])) + { + $match = $consumed; + } + } + + if ($match !== null) + { + $this->data = substr_replace($this->data, $entities[$match], $this->position - strlen($consumed) - 1, strlen($match) + 1); + $this->position += strlen($entities[$match]) - strlen($consumed) - 1; + } + break; + } + } +} + +/** + * IRI parser/serialiser + * + * @package SimplePie + */ +class SimplePie_IRI +{ + /** + * Scheme + * + * @access private + * @var string + */ + var $scheme; + + /** + * User Information + * + * @access private + * @var string + */ + var $userinfo; + + /** + * Host + * + * @access private + * @var string + */ + var $host; + + /** + * Port + * + * @access private + * @var string + */ + var $port; + + /** + * Path + * + * @access private + * @var string + */ + var $path; + + /** + * Query + * + * @access private + * @var string + */ + var $query; + + /** + * Fragment + * + * @access private + * @var string + */ + var $fragment; + + /** + * Whether the object represents a valid IRI + * + * @access private + * @var array + */ + var $valid = array(); + + /** + * Return the entire IRI when you try and read the object as a string + * + * @access public + * @return string + */ + public function __toString() + { + return $this->get_iri(); + } + + /** + * Create a new IRI object, from a specified string + * + * @access public + * @param string $iri + * @return SimplePie_IRI + */ + public function __construct($iri) + { + $iri = (string) $iri; + if ($iri !== '') + { + $parsed = $this->parse_iri($iri); + $this->set_scheme($parsed['scheme']); + $this->set_authority($parsed['authority']); + $this->set_path($parsed['path']); + $this->set_query($parsed['query']); + $this->set_fragment($parsed['fragment']); + } + } + + /** + * Create a new IRI object by resolving a relative IRI + * + * @static + * @access public + * @param SimplePie_IRI $base Base IRI + * @param string $relative Relative IRI + * @return SimplePie_IRI + */ + public static function absolutize($base, $relative) + { + $relative = (string) $relative; + if ($relative !== '') + { + $relative = new SimplePie_IRI($relative); + if ($relative->get_scheme() !== null) + { + $target = $relative; + } + elseif ($base->get_iri() !== null) + { + if ($relative->get_authority() !== null) + { + $target = $relative; + $target->set_scheme($base->get_scheme()); + } + else + { + $target = new SimplePie_IRI(''); + $target->set_scheme($base->get_scheme()); + $target->set_userinfo($base->get_userinfo()); + $target->set_host($base->get_host()); + $target->set_port($base->get_port()); + if ($relative->get_path() !== null) + { + if (strpos($relative->get_path(), '/') === 0) + { + $target->set_path($relative->get_path()); + } + elseif (($base->get_userinfo() !== null || $base->get_host() !== null || $base->get_port() !== null) && $base->get_path() === null) + { + $target->set_path('/' . $relative->get_path()); + } + elseif (($last_segment = strrpos($base->get_path(), '/')) !== false) + { + $target->set_path(substr($base->get_path(), 0, $last_segment + 1) . $relative->get_path()); + } + else + { + $target->set_path($relative->get_path()); + } + $target->set_query($relative->get_query()); + } + else + { + $target->set_path($base->get_path()); + if ($relative->get_query() !== null) + { + $target->set_query($relative->get_query()); + } + elseif ($base->get_query() !== null) + { + $target->set_query($base->get_query()); + } + } + } + $target->set_fragment($relative->get_fragment()); + } + else + { + // No base URL, just return the relative URL + $target = $relative; + } + } + else + { + $target = $base; + } + return $target; + } + + /** + * Parse an IRI into scheme/authority/path/query/fragment segments + * + * @access private + * @param string $iri + * @return array + */ + public function parse_iri($iri) + { + preg_match('/^(([^:\/?#]+):)?(\/\/([^\/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?$/', $iri, $match); + for ($i = count($match); $i <= 9; $i++) + { + $match[$i] = ''; + } + return array('scheme' => $match[2], 'authority' => $match[4], 'path' => $match[5], 'query' => $match[7], 'fragment' => $match[9]); + } + + /** + * Remove dot segments from a path + * + * @access private + * @param string $input + * @return string + */ + public function remove_dot_segments($input) + { + $output = ''; + while (strpos($input, './') !== false || strpos($input, '/.') !== false || $input === '.' || $input === '..') + { + // A: If the input buffer begins with a prefix of "../" or "./", then remove that prefix from the input buffer; otherwise, + if (strpos($input, '../') === 0) + { + $input = substr($input, 3); + } + elseif (strpos($input, './') === 0) + { + $input = substr($input, 2); + } + // B: if the input buffer begins with a prefix of "/./" or "/.", where "." is a complete path segment, then replace that prefix with "/" in the input buffer; otherwise, + elseif (strpos($input, '/./') === 0) + { + $input = substr_replace($input, '/', 0, 3); + } + elseif ($input === '/.') + { + $input = '/'; + } + // C: if the input buffer begins with a prefix of "/../" or "/..", where ".." is a complete path segment, then replace that prefix with "/" in the input buffer and remove the last segment and its preceding "/" (if any) from the output buffer; otherwise, + elseif (strpos($input, '/../') === 0) + { + $input = substr_replace($input, '/', 0, 4); + $output = substr_replace($output, '', strrpos($output, '/')); + } + elseif ($input === '/..') + { + $input = '/'; + $output = substr_replace($output, '', strrpos($output, '/')); + } + // D: if the input buffer consists only of "." or "..", then remove that from the input buffer; otherwise, + elseif ($input === '.' || $input === '..') + { + $input = ''; + } + // E: move the first path segment in the input buffer to the end of the output buffer, including the initial "/" character (if any) and any subsequent characters up to, but not including, the next "/" character or the end of the input buffer + elseif (($pos = strpos($input, '/', 1)) !== false) + { + $output .= substr($input, 0, $pos); + $input = substr_replace($input, '', 0, $pos); + } + else + { + $output .= $input; + $input = ''; + } + } + return $output . $input; + } + + /** + * Replace invalid character with percent encoding + * + * @access private + * @param string $string Input string + * @param string $valid_chars Valid characters + * @param int $case Normalise case + * @return string + */ + public function replace_invalid_with_pct_encoding($string, $valid_chars, $case = SIMPLEPIE_SAME_CASE) + { + // Normalise case + if ($case & SIMPLEPIE_LOWERCASE) + { + $string = strtolower($string); + } + elseif ($case & SIMPLEPIE_UPPERCASE) + { + $string = strtoupper($string); + } + + // Store position and string length (to avoid constantly recalculating this) + $position = 0; + $strlen = strlen($string); + + // Loop as long as we have invalid characters, advancing the position to the next invalid character + while (($position += strspn($string, $valid_chars, $position)) < $strlen) + { + // If we have a % character + if ($string[$position] === '%') + { + // If we have a pct-encoded section + if ($position + 2 < $strlen && strspn($string, '0123456789ABCDEFabcdef', $position + 1, 2) === 2) + { + // Get the the represented character + $chr = chr(hexdec(substr($string, $position + 1, 2))); + + // If the character is valid, replace the pct-encoded with the actual character while normalising case + if (strpos($valid_chars, $chr) !== false) + { + if ($case & SIMPLEPIE_LOWERCASE) + { + $chr = strtolower($chr); + } + elseif ($case & SIMPLEPIE_UPPERCASE) + { + $chr = strtoupper($chr); + } + $string = substr_replace($string, $chr, $position, 3); + $strlen -= 2; + $position++; + } + + // Otherwise just normalise the pct-encoded to uppercase + else + { + $string = substr_replace($string, strtoupper(substr($string, $position + 1, 2)), $position + 1, 2); + $position += 3; + } + } + // If we don't have a pct-encoded section, just replace the % with its own esccaped form + else + { + $string = substr_replace($string, '%25', $position, 1); + $strlen += 2; + $position += 3; + } + } + // If we have an invalid character, change into its pct-encoded form + else + { + $replacement = sprintf("%%%02X", ord($string[$position])); + $string = str_replace($string[$position], $replacement, $string); + $strlen = strlen($string); + } + } + return $string; + } + + /** + * Check if the object represents a valid IRI + * + * @access public + * @return bool + */ + public function is_valid() + { + return array_sum($this->valid) === count($this->valid); + } + + /** + * Set the scheme. Returns true on success, false on failure (if there are + * any invalid characters). + * + * @access public + * @param string $scheme + * @return bool + */ + public function set_scheme($scheme) + { + if ($scheme === null || $scheme === '') + { + $this->scheme = null; + } + else + { + $len = strlen($scheme); + switch (true) + { + case $len > 1: + if (!strspn($scheme, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-.', 1)) + { + $this->scheme = null; + $this->valid[__FUNCTION__] = false; + return false; + } + + case $len > 0: + if (!strspn($scheme, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz', 0, 1)) + { + $this->scheme = null; + $this->valid[__FUNCTION__] = false; + return false; + } + } + $this->scheme = strtolower($scheme); + } + $this->valid[__FUNCTION__] = true; + return true; + } + + /** + * Set the authority. Returns true on success, false on failure (if there are + * any invalid characters). + * + * @access public + * @param string $authority + * @return bool + */ + public function set_authority($authority) + { + if (($userinfo_end = strrpos($authority, '@')) !== false) + { + $userinfo = substr($authority, 0, $userinfo_end); + $authority = substr($authority, $userinfo_end + 1); + } + else + { + $userinfo = null; + } + + if (($port_start = strpos($authority, ':')) !== false) + { + $port = substr($authority, $port_start + 1); + $authority = substr($authority, 0, $port_start); + } + else + { + $port = null; + } + + return $this->set_userinfo($userinfo) && $this->set_host($authority) && $this->set_port($port); + } + + /** + * Set the userinfo. + * + * @access public + * @param string $userinfo + * @return bool + */ + public function set_userinfo($userinfo) + { + if ($userinfo === null || $userinfo === '') + { + $this->userinfo = null; + } + else + { + $this->userinfo = $this->replace_invalid_with_pct_encoding($userinfo, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~!$&\'()*+,;=:'); + } + $this->valid[__FUNCTION__] = true; + return true; + } + + /** + * Set the host. Returns true on success, false on failure (if there are + * any invalid characters). + * + * @access public + * @param string $host + * @return bool + */ + public function set_host($host) + { + if ($host === null || $host === '') + { + $this->host = null; + $this->valid[__FUNCTION__] = true; + return true; + } + elseif ($host[0] === '[' && substr($host, -1) === ']') + { + if (Net_IPv6::checkIPv6(substr($host, 1, -1))) + { + $this->host = $host; + $this->valid[__FUNCTION__] = true; + return true; + } + else + { + $this->host = null; + $this->valid[__FUNCTION__] = false; + return false; + } + } + else + { + $this->host = $this->replace_invalid_with_pct_encoding($host, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~!$&\'()*+,;=', SIMPLEPIE_LOWERCASE); + $this->valid[__FUNCTION__] = true; + return true; + } + } + + /** + * Set the port. Returns true on success, false on failure (if there are + * any invalid characters). + * + * @access public + * @param string $port + * @return bool + */ + public function set_port($port) + { + if ($port === null || $port === '') + { + $this->port = null; + $this->valid[__FUNCTION__] = true; + return true; + } + elseif (strspn($port, '0123456789') === strlen($port)) + { + $this->port = (int) $port; + $this->valid[__FUNCTION__] = true; + return true; + } + else + { + $this->port = null; + $this->valid[__FUNCTION__] = false; + return false; + } + } + + /** + * Set the path. + * + * @access public + * @param string $path + * @return bool + */ + public function set_path($path) + { + if ($path === null || $path === '') + { + $this->path = null; + $this->valid[__FUNCTION__] = true; + return true; + } + elseif (substr($path, 0, 2) === '//' && $this->userinfo === null && $this->host === null && $this->port === null) + { + $this->path = null; + $this->valid[__FUNCTION__] = false; + return false; + } + else + { + $this->path = $this->replace_invalid_with_pct_encoding($path, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~!$&\'()*+,;=@/'); + if ($this->scheme !== null) + { + $this->path = $this->remove_dot_segments($this->path); + } + $this->valid[__FUNCTION__] = true; + return true; + } + } + + /** + * Set the query. + * + * @access public + * @param string $query + * @return bool + */ + public function set_query($query) + { + if ($query === null || $query === '') + { + $this->query = null; + } + else + { + $this->query = $this->replace_invalid_with_pct_encoding($query, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~!$\'()*+,;:@/?&='); + } + $this->valid[__FUNCTION__] = true; + return true; + } + + /** + * Set the fragment. + * + * @access public + * @param string $fragment + * @return bool + */ + public function set_fragment($fragment) + { + if ($fragment === null || $fragment === '') + { + $this->fragment = null; + } + else + { + $this->fragment = $this->replace_invalid_with_pct_encoding($fragment, 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._~!$&\'()*+,;=:@/?'); + } + $this->valid[__FUNCTION__] = true; + return true; + } + + /** + * Get the complete IRI + * + * @access public + * @return string + */ + public function get_iri() + { + $iri = ''; + if ($this->scheme !== null) + { + $iri .= $this->scheme . ':'; + } + if (($authority = $this->get_authority()) !== null) + { + $iri .= '//' . $authority; + } + if ($this->path !== null) + { + $iri .= $this->path; + } + if ($this->query !== null) + { + $iri .= '?' . $this->query; + } + if ($this->fragment !== null) + { + $iri .= '#' . $this->fragment; + } + + if ($iri !== '') + { + return $iri; + } + else + { + return null; + } + } + + /** + * Get the scheme + * + * @access public + * @return string + */ + public function get_scheme() + { + return $this->scheme; + } + + /** + * Get the complete authority + * + * @access public + * @return string + */ + public function get_authority() + { + $authority = ''; + if ($this->userinfo !== null) + { + $authority .= $this->userinfo . '@'; + } + if ($this->host !== null) + { + $authority .= $this->host; + } + if ($this->port !== null) + { + $authority .= ':' . $this->port; + } + + if ($authority !== '') + { + return $authority; + } + else + { + return null; + } + } + + /** + * Get the user information + * + * @access public + * @return string + */ + public function get_userinfo() + { + return $this->userinfo; + } + + /** + * Get the host + * + * @access public + * @return string + */ + public function get_host() + { + return $this->host; + } + + /** + * Get the port + * + * @access public + * @return string + */ + public function get_port() + { + return $this->port; + } + + /** + * Get the path + * + * @access public + * @return string + */ + public function get_path() + { + return $this->path; + } + + /** + * Get the query + * + * @access public + * @return string + */ + public function get_query() + { + return $this->query; + } + + /** + * Get the fragment + * + * @access public + * @return string + */ + public function get_fragment() + { + return $this->fragment; + } +} + +/** + * Class to validate and to work with IPv6 addresses. + * + * @package SimplePie + * @copyright 2003-2005 The PHP Group + * @license http://www.opensource.org/licenses/bsd-license.php + * @link http://pear.php.net/package/Net_IPv6 + * @author Alexander Merz + * @author elfrink at introweb dot nl + * @author Josh Peck + * @author Geoffrey Sneddon + */ +class SimplePie_Net_IPv6 +{ + /** + * Removes a possible existing netmask specification of an IP address. + * + * @param string $ip the (compressed) IP as Hex representation + * @return string the IP the without netmask + * @since 1.1.0 + * @access public + * @static + */ + public static function removeNetmaskSpec($ip) + { + if (strpos($ip, '/') !== false) + { + list($addr, $nm) = explode('/', $ip); + } + else + { + $addr = $ip; + } + return $addr; + } + + /** + * Uncompresses an IPv6 address + * + * RFC 2373 allows you to compress zeros in an address to '::'. This + * function expects an valid IPv6 address and expands the '::' to + * the required zeros. + * + * Example: FF01::101 -> FF01:0:0:0:0:0:0:101 + * ::1 -> 0:0:0:0:0:0:0:1 + * + * @access public + * @static + * @param string $ip a valid IPv6-address (hex format) + * @return string the uncompressed IPv6-address (hex format) + */ + public static function Uncompress($ip) + { + $uip = SimplePie_Net_IPv6::removeNetmaskSpec($ip); + $c1 = -1; + $c2 = -1; + if (strpos($ip, '::') !== false) + { + list($ip1, $ip2) = explode('::', $ip); + if ($ip1 === '') + { + $c1 = -1; + } + else + { + $pos = 0; + if (($pos = substr_count($ip1, ':')) > 0) + { + $c1 = $pos; + } + else + { + $c1 = 0; + } + } + if ($ip2 === '') + { + $c2 = -1; + } + else + { + $pos = 0; + if (($pos = substr_count($ip2, ':')) > 0) + { + $c2 = $pos; + } + else + { + $c2 = 0; + } + } + if (strstr($ip2, '.')) + { + $c2++; + } + // :: + if ($c1 === -1 && $c2 === -1) + { + $uip = '0:0:0:0:0:0:0:0'; + } + // ::xxx + else if ($c1 === -1) + { + $fill = str_repeat('0:', 7 - $c2); + $uip = str_replace('::', $fill, $uip); + } + // xxx:: + else if ($c2 === -1) + { + $fill = str_repeat(':0', 7 - $c1); + $uip = str_replace('::', $fill, $uip); + } + // xxx::xxx + else + { + $fill = str_repeat(':0:', 6 - $c2 - $c1); + $uip = str_replace('::', $fill, $uip); + $uip = str_replace('::', ':', $uip); + } + } + return $uip; + } + + /** + * Splits an IPv6 address into the IPv6 and a possible IPv4 part + * + * RFC 2373 allows you to note the last two parts of an IPv6 address as + * an IPv4 compatible address + * + * Example: 0:0:0:0:0:0:13.1.68.3 + * 0:0:0:0:0:FFFF:129.144.52.38 + * + * @access public + * @static + * @param string $ip a valid IPv6-address (hex format) + * @return array [0] contains the IPv6 part, [1] the IPv4 part (hex format) + */ + public static function SplitV64($ip) + { + $ip = SimplePie_Net_IPv6::Uncompress($ip); + if (strstr($ip, '.')) + { + $pos = strrpos($ip, ':'); + $ip[$pos] = '_'; + $ipPart = explode('_', $ip); + return $ipPart; + } + else + { + return array($ip, ''); + } + } + + /** + * Checks an IPv6 address + * + * Checks if the given IP is IPv6-compatible + * + * @access public + * @static + * @param string $ip a valid IPv6-address + * @return bool true if $ip is an IPv6 address + */ + public static function checkIPv6($ip) + { + $ipPart = SimplePie_Net_IPv6::SplitV64($ip); + $count = 0; + if (!empty($ipPart[0])) + { + $ipv6 = explode(':', $ipPart[0]); + for ($i = 0; $i < count($ipv6); $i++) + { + $dec = hexdec($ipv6[$i]); + $hex = strtoupper(preg_replace('/^[0]{1,3}(.*[0-9a-fA-F])$/', '\\1', $ipv6[$i])); + if ($ipv6[$i] >= 0 && $dec <= 65535 && $hex === strtoupper(dechex($dec))) + { + $count++; + } + } + if ($count === 8) + { + return true; + } + elseif ($count === 6 && !empty($ipPart[1])) + { + $ipv4 = explode('.', $ipPart[1]); + $count = 0; + foreach ($ipv4 as $ipv4_part) + { + if ($ipv4_part >= 0 && $ipv4_part <= 255 && preg_match('/^\d{1,3}$/', $ipv4_part)) + { + $count++; + } + } + if ($count === 4) + { + return true; + } + } + else + { + return false; + } + + } + else + { + return false; + } + } +} + +/** + * Date Parser + * + * @package SimplePie + */ +class SimplePie_Parse_Date +{ + /** + * Input data + * + * @access protected + * @var string + */ + var $date; + + /** + * List of days, calendar day name => ordinal day number in the week + * + * @access protected + * @var array + */ + var $day = array( + // English + 'mon' => 1, + 'monday' => 1, + 'tue' => 2, + 'tuesday' => 2, + 'wed' => 3, + 'wednesday' => 3, + 'thu' => 4, + 'thursday' => 4, + 'fri' => 5, + 'friday' => 5, + 'sat' => 6, + 'saturday' => 6, + 'sun' => 7, + 'sunday' => 7, + // Dutch + 'maandag' => 1, + 'dinsdag' => 2, + 'woensdag' => 3, + 'donderdag' => 4, + 'vrijdag' => 5, + 'zaterdag' => 6, + 'zondag' => 7, + // French + 'lundi' => 1, + 'mardi' => 2, + 'mercredi' => 3, + 'jeudi' => 4, + 'vendredi' => 5, + 'samedi' => 6, + 'dimanche' => 7, + // German + 'montag' => 1, + 'dienstag' => 2, + 'mittwoch' => 3, + 'donnerstag' => 4, + 'freitag' => 5, + 'samstag' => 6, + 'sonnabend' => 6, + 'sonntag' => 7, + // Italian + 'lunedì' => 1, + 'martedì' => 2, + 'mercoledì' => 3, + 'giovedì' => 4, + 'venerdì' => 5, + 'sabato' => 6, + 'domenica' => 7, + // Spanish + 'lunes' => 1, + 'martes' => 2, + 'miércoles' => 3, + 'jueves' => 4, + 'viernes' => 5, + 'sábado' => 6, + 'domingo' => 7, + // Finnish + 'maanantai' => 1, + 'tiistai' => 2, + 'keskiviikko' => 3, + 'torstai' => 4, + 'perjantai' => 5, + 'lauantai' => 6, + 'sunnuntai' => 7, + // Hungarian + 'hétfő' => 1, + 'kedd' => 2, + 'szerda' => 3, + 'csütörtok' => 4, + 'péntek' => 5, + 'szombat' => 6, + 'vasárnap' => 7, + // Greek + 'Δευ' => 1, + 'Τρι' => 2, + 'Τετ' => 3, + 'Πεμ' => 4, + 'Παρ' => 5, + 'Σαβ' => 6, + 'Κυρ' => 7, + ); + + /** + * List of months, calendar month name => calendar month number + * + * @access protected + * @var array + */ + var $month = array( + // English + 'jan' => 1, + 'january' => 1, + 'feb' => 2, + 'february' => 2, + 'mar' => 3, + 'march' => 3, + 'apr' => 4, + 'april' => 4, + 'may' => 5, + // No long form of May + 'jun' => 6, + 'june' => 6, + 'jul' => 7, + 'july' => 7, + 'aug' => 8, + 'august' => 8, + 'sep' => 9, + 'september' => 8, + 'oct' => 10, + 'october' => 10, + 'nov' => 11, + 'november' => 11, + 'dec' => 12, + 'december' => 12, + // Dutch + 'januari' => 1, + 'februari' => 2, + 'maart' => 3, + 'april' => 4, + 'mei' => 5, + 'juni' => 6, + 'juli' => 7, + 'augustus' => 8, + 'september' => 9, + 'oktober' => 10, + 'november' => 11, + 'december' => 12, + // French + 'janvier' => 1, + 'février' => 2, + 'mars' => 3, + 'avril' => 4, + 'mai' => 5, + 'juin' => 6, + 'juillet' => 7, + 'août' => 8, + 'septembre' => 9, + 'octobre' => 10, + 'novembre' => 11, + 'décembre' => 12, + // German + 'januar' => 1, + 'februar' => 2, + 'märz' => 3, + 'april' => 4, + 'mai' => 5, + 'juni' => 6, + 'juli' => 7, + 'august' => 8, + 'september' => 9, + 'oktober' => 10, + 'november' => 11, + 'dezember' => 12, + // Italian + 'gennaio' => 1, + 'febbraio' => 2, + 'marzo' => 3, + 'aprile' => 4, + 'maggio' => 5, + 'giugno' => 6, + 'luglio' => 7, + 'agosto' => 8, + 'settembre' => 9, + 'ottobre' => 10, + 'novembre' => 11, + 'dicembre' => 12, + // Spanish + 'enero' => 1, + 'febrero' => 2, + 'marzo' => 3, + 'abril' => 4, + 'mayo' => 5, + 'junio' => 6, + 'julio' => 7, + 'agosto' => 8, + 'septiembre' => 9, + 'setiembre' => 9, + 'octubre' => 10, + 'noviembre' => 11, + 'diciembre' => 12, + // Finnish + 'tammikuu' => 1, + 'helmikuu' => 2, + 'maaliskuu' => 3, + 'huhtikuu' => 4, + 'toukokuu' => 5, + 'kesäkuu' => 6, + 'heinäkuu' => 7, + 'elokuu' => 8, + 'suuskuu' => 9, + 'lokakuu' => 10, + 'marras' => 11, + 'joulukuu' => 12, + // Hungarian + 'január' => 1, + 'február' => 2, + 'március' => 3, + 'április' => 4, + 'május' => 5, + 'június' => 6, + 'július' => 7, + 'augusztus' => 8, + 'szeptember' => 9, + 'október' => 10, + 'november' => 11, + 'december' => 12, + // Greek + 'Ιαν' => 1, + 'Φεβ' => 2, + 'Μάώ' => 3, + 'Μαώ' => 3, + 'Απρ' => 4, + 'Μάι' => 5, + 'Μαϊ' => 5, + 'Μαι' => 5, + 'Ιούν' => 6, + 'Ιον' => 6, + 'Ιούλ' => 7, + 'Ιολ' => 7, + 'Αύγ' => 8, + 'Αυγ' => 8, + 'Σεπ' => 9, + 'Οκτ' => 10, + 'Νοέ' => 11, + 'Δεκ' => 12, + ); + + /** + * List of timezones, abbreviation => offset from UTC + * + * @access protected + * @var array + */ + var $timezone = array( + 'ACDT' => 37800, + 'ACIT' => 28800, + 'ACST' => 34200, + 'ACT' => -18000, + 'ACWDT' => 35100, + 'ACWST' => 31500, + 'AEDT' => 39600, + 'AEST' => 36000, + 'AFT' => 16200, + 'AKDT' => -28800, + 'AKST' => -32400, + 'AMDT' => 18000, + 'AMT' => -14400, + 'ANAST' => 46800, + 'ANAT' => 43200, + 'ART' => -10800, + 'AZOST' => -3600, + 'AZST' => 18000, + 'AZT' => 14400, + 'BIOT' => 21600, + 'BIT' => -43200, + 'BOT' => -14400, + 'BRST' => -7200, + 'BRT' => -10800, + 'BST' => 3600, + 'BTT' => 21600, + 'CAST' => 18000, + 'CAT' => 7200, + 'CCT' => 23400, + 'CDT' => -18000, + 'CEDT' => 7200, + 'CET' => 3600, + 'CGST' => -7200, + 'CGT' => -10800, + 'CHADT' => 49500, + 'CHAST' => 45900, + 'CIST' => -28800, + 'CKT' => -36000, + 'CLDT' => -10800, + 'CLST' => -14400, + 'COT' => -18000, + 'CST' => -21600, + 'CVT' => -3600, + 'CXT' => 25200, + 'DAVT' => 25200, + 'DTAT' => 36000, + 'EADT' => -18000, + 'EAST' => -21600, + 'EAT' => 10800, + 'ECT' => -18000, + 'EDT' => -14400, + 'EEST' => 10800, + 'EET' => 7200, + 'EGT' => -3600, + 'EKST' => 21600, + 'EST' => -18000, + 'FJT' => 43200, + 'FKDT' => -10800, + 'FKST' => -14400, + 'FNT' => -7200, + 'GALT' => -21600, + 'GEDT' => 14400, + 'GEST' => 10800, + 'GFT' => -10800, + 'GILT' => 43200, + 'GIT' => -32400, + 'GST' => 14400, + 'GST' => -7200, + 'GYT' => -14400, + 'HAA' => -10800, + 'HAC' => -18000, + 'HADT' => -32400, + 'HAE' => -14400, + 'HAP' => -25200, + 'HAR' => -21600, + 'HAST' => -36000, + 'HAT' => -9000, + 'HAY' => -28800, + 'HKST' => 28800, + 'HMT' => 18000, + 'HNA' => -14400, + 'HNC' => -21600, + 'HNE' => -18000, + 'HNP' => -28800, + 'HNR' => -25200, + 'HNT' => -12600, + 'HNY' => -32400, + 'IRDT' => 16200, + 'IRKST' => 32400, + 'IRKT' => 28800, + 'IRST' => 12600, + 'JFDT' => -10800, + 'JFST' => -14400, + 'JST' => 32400, + 'KGST' => 21600, + 'KGT' => 18000, + 'KOST' => 39600, + 'KOVST' => 28800, + 'KOVT' => 25200, + 'KRAST' => 28800, + 'KRAT' => 25200, + 'KST' => 32400, + 'LHDT' => 39600, + 'LHST' => 37800, + 'LINT' => 50400, + 'LKT' => 21600, + 'MAGST' => 43200, + 'MAGT' => 39600, + 'MAWT' => 21600, + 'MDT' => -21600, + 'MESZ' => 7200, + 'MEZ' => 3600, + 'MHT' => 43200, + 'MIT' => -34200, + 'MNST' => 32400, + 'MSDT' => 14400, + 'MSST' => 10800, + 'MST' => -25200, + 'MUT' => 14400, + 'MVT' => 18000, + 'MYT' => 28800, + 'NCT' => 39600, + 'NDT' => -9000, + 'NFT' => 41400, + 'NMIT' => 36000, + 'NOVST' => 25200, + 'NOVT' => 21600, + 'NPT' => 20700, + 'NRT' => 43200, + 'NST' => -12600, + 'NUT' => -39600, + 'NZDT' => 46800, + 'NZST' => 43200, + 'OMSST' => 25200, + 'OMST' => 21600, + 'PDT' => -25200, + 'PET' => -18000, + 'PETST' => 46800, + 'PETT' => 43200, + 'PGT' => 36000, + 'PHOT' => 46800, + 'PHT' => 28800, + 'PKT' => 18000, + 'PMDT' => -7200, + 'PMST' => -10800, + 'PONT' => 39600, + 'PST' => -28800, + 'PWT' => 32400, + 'PYST' => -10800, + 'PYT' => -14400, + 'RET' => 14400, + 'ROTT' => -10800, + 'SAMST' => 18000, + 'SAMT' => 14400, + 'SAST' => 7200, + 'SBT' => 39600, + 'SCDT' => 46800, + 'SCST' => 43200, + 'SCT' => 14400, + 'SEST' => 3600, + 'SGT' => 28800, + 'SIT' => 28800, + 'SRT' => -10800, + 'SST' => -39600, + 'SYST' => 10800, + 'SYT' => 7200, + 'TFT' => 18000, + 'THAT' => -36000, + 'TJT' => 18000, + 'TKT' => -36000, + 'TMT' => 18000, + 'TOT' => 46800, + 'TPT' => 32400, + 'TRUT' => 36000, + 'TVT' => 43200, + 'TWT' => 28800, + 'UYST' => -7200, + 'UYT' => -10800, + 'UZT' => 18000, + 'VET' => -14400, + 'VLAST' => 39600, + 'VLAT' => 36000, + 'VOST' => 21600, + 'VUT' => 39600, + 'WAST' => 7200, + 'WAT' => 3600, + 'WDT' => 32400, + 'WEST' => 3600, + 'WFT' => 43200, + 'WIB' => 25200, + 'WIT' => 32400, + 'WITA' => 28800, + 'WKST' => 18000, + 'WST' => 28800, + 'YAKST' => 36000, + 'YAKT' => 32400, + 'YAPT' => 36000, + 'YEKST' => 21600, + 'YEKT' => 18000, + ); + + /** + * Cached PCRE for SimplePie_Parse_Date::$day + * + * @access protected + * @var string + */ + var $day_pcre; + + /** + * Cached PCRE for SimplePie_Parse_Date::$month + * + * @access protected + * @var string + */ + var $month_pcre; + + /** + * Array of user-added callback methods + * + * @access private + * @var array + */ + var $built_in = array(); + + /** + * Array of user-added callback methods + * + * @access private + * @var array + */ + var $user = array(); + + /** + * Create new SimplePie_Parse_Date object, and set self::day_pcre, + * self::month_pcre, and self::built_in + * + * @access private + */ + public function __construct() + { + $this->day_pcre = '(' . implode(array_keys($this->day), '|') . ')'; + $this->month_pcre = '(' . implode(array_keys($this->month), '|') . ')'; + + static $cache; + if (!isset($cache[get_class($this)])) + { + $all_methods = get_class_methods($this); + + foreach ($all_methods as $method) + { + if (strtolower(substr($method, 0, 5)) === 'date_') + { + $cache[get_class($this)][] = $method; + } + } + } + + foreach ($cache[get_class($this)] as $method) + { + $this->built_in[] = $method; + } + } + + /** + * Get the object + * + * @access public + */ + public static function get() + { + static $object; + if (!$object) + { + $object = new SimplePie_Parse_Date; + } + return $object; + } + + /** + * Parse a date + * + * @final + * @access public + * @param string $date Date to parse + * @return int Timestamp corresponding to date string, or false on failure + */ + public function parse($date) + { + foreach ($this->user as $method) + { + if (($returned = call_user_func($method, $date)) !== false) + { + return $returned; + } + } + + foreach ($this->built_in as $method) + { + if (($returned = call_user_func(array(&$this, $method), $date)) !== false) + { + return $returned; + } + } + + return false; + } + + /** + * Add a callback method to parse a date + * + * @final + * @access public + * @param callback $callback + */ + public function add_callback($callback) + { + if (is_callable($callback)) + { + $this->user[] = $callback; + } + else + { + trigger_error('User-supplied function must be a valid callback', E_USER_WARNING); + } + } + + /** + * Parse a superset of W3C-DTF (allows hyphens and colons to be omitted, as + * well as allowing any of upper or lower case "T", horizontal tabs, or + * spaces to be used as the time seperator (including more than one)) + * + * @access protected + * @return int Timestamp + */ + public function date_w3cdtf($date) + { + static $pcre; + if (!$pcre) + { + $year = '([0-9]{4})'; + $month = $day = $hour = $minute = $second = '([0-9]{2})'; + $decimal = '([0-9]*)'; + $zone = '(?:(Z)|([+\-])([0-9]{1,2}):?([0-9]{1,2}))'; + $pcre = '/^' . $year . '(?:-?' . $month . '(?:-?' . $day . '(?:[Tt\x09\x20]+' . $hour . '(?::?' . $minute . '(?::?' . $second . '(?:.' . $decimal . ')?)?)?' . $zone . ')?)?)?$/'; + } + if (preg_match($pcre, $date, $match)) + { + /* + Capturing subpatterns: + 1: Year + 2: Month + 3: Day + 4: Hour + 5: Minute + 6: Second + 7: Decimal fraction of a second + 8: Zulu + 9: Timezone ± + 10: Timezone hours + 11: Timezone minutes + */ + + // Fill in empty matches + for ($i = count($match); $i <= 3; $i++) + { + $match[$i] = '1'; + } + + for ($i = count($match); $i <= 7; $i++) + { + $match[$i] = '0'; + } + + // Numeric timezone + if (isset($match[9]) && $match[9] !== '') + { + $timezone = $match[10] * 3600; + $timezone += $match[11] * 60; + if ($match[9] === '-') + { + $timezone = 0 - $timezone; + } + } + else + { + $timezone = 0; + } + + // Convert the number of seconds to an integer, taking decimals into account + $second = round($match[6] + $match[7] / pow(10, strlen($match[7]))); + + return gmmktime($match[4], $match[5], $second, $match[2], $match[3], $match[1]) - $timezone; + } + else + { + return false; + } + } + + /** + * Remove RFC822 comments + * + * @access protected + * @param string $data Data to strip comments from + * @return string Comment stripped string + */ + public function remove_rfc2822_comments($string) + { + $string = (string) $string; + $position = 0; + $length = strlen($string); + $depth = 0; + + $output = ''; + + while ($position < $length && ($pos = strpos($string, '(', $position)) !== false) + { + $output .= substr($string, $position, $pos - $position); + $position = $pos + 1; + if ($string[$pos - 1] !== '\\') + { + $depth++; + while ($depth && $position < $length) + { + $position += strcspn($string, '()', $position); + if ($string[$position - 1] === '\\') + { + $position++; + continue; + } + elseif (isset($string[$position])) + { + switch ($string[$position]) + { + case '(': + $depth++; + break; + + case ')': + $depth--; + break; + } + $position++; + } + else + { + break; + } + } + } + else + { + $output .= '('; + } + } + $output .= substr($string, $position); + + return $output; + } + + /** + * Parse RFC2822's date format + * + * @access protected + * @return int Timestamp + */ + public function date_rfc2822($date) + { + static $pcre; + if (!$pcre) + { + $wsp = '[\x09\x20]'; + $fws = '(?:' . $wsp . '+|' . $wsp . '*(?:\x0D\x0A' . $wsp . '+)+)'; + $optional_fws = $fws . '?'; + $day_name = $this->day_pcre; + $month = $this->month_pcre; + $day = '([0-9]{1,2})'; + $hour = $minute = $second = '([0-9]{2})'; + $year = '([0-9]{2,4})'; + $num_zone = '([+\-])([0-9]{2})([0-9]{2})'; + $character_zone = '([A-Z]{1,5})'; + $zone = '(?:' . $num_zone . '|' . $character_zone . ')'; + $pcre = '/(?:' . $optional_fws . $day_name . $optional_fws . ',)?' . $optional_fws . $day . $fws . $month . $fws . $year . $fws . $hour . $optional_fws . ':' . $optional_fws . $minute . '(?:' . $optional_fws . ':' . $optional_fws . $second . ')?' . $fws . $zone . '/i'; + } + if (preg_match($pcre, $this->remove_rfc2822_comments($date), $match)) + { + /* + Capturing subpatterns: + 1: Day name + 2: Day + 3: Month + 4: Year + 5: Hour + 6: Minute + 7: Second + 8: Timezone ± + 9: Timezone hours + 10: Timezone minutes + 11: Alphabetic timezone + */ + + // Find the month number + $month = $this->month[strtolower($match[3])]; + + // Numeric timezone + if ($match[8] !== '') + { + $timezone = $match[9] * 3600; + $timezone += $match[10] * 60; + if ($match[8] === '-') + { + $timezone = 0 - $timezone; + } + } + // Character timezone + elseif (isset($this->timezone[strtoupper($match[11])])) + { + $timezone = $this->timezone[strtoupper($match[11])]; + } + // Assume everything else to be -0000 + else + { + $timezone = 0; + } + + // Deal with 2/3 digit years + if ($match[4] < 50) + { + $match[4] += 2000; + } + elseif ($match[4] < 1000) + { + $match[4] += 1900; + } + + // Second is optional, if it is empty set it to zero + if ($match[7] !== '') + { + $second = $match[7]; + } + else + { + $second = 0; + } + + return gmmktime($match[5], $match[6], $second, $month, $match[2], $match[4]) - $timezone; + } + else + { + return false; + } + } + + /** + * Parse RFC850's date format + * + * @access protected + * @return int Timestamp + */ + public function date_rfc850($date) + { + static $pcre; + if (!$pcre) + { + $space = '[\x09\x20]+'; + $day_name = $this->day_pcre; + $month = $this->month_pcre; + $day = '([0-9]{1,2})'; + $year = $hour = $minute = $second = '([0-9]{2})'; + $zone = '([A-Z]{1,5})'; + $pcre = '/^' . $day_name . ',' . $space . $day . '-' . $month . '-' . $year . $space . $hour . ':' . $minute . ':' . $second . $space . $zone . '$/i'; + } + if (preg_match($pcre, $date, $match)) + { + /* + Capturing subpatterns: + 1: Day name + 2: Day + 3: Month + 4: Year + 5: Hour + 6: Minute + 7: Second + 8: Timezone + */ + + // Month + $month = $this->month[strtolower($match[3])]; + + // Character timezone + if (isset($this->timezone[strtoupper($match[8])])) + { + $timezone = $this->timezone[strtoupper($match[8])]; + } + // Assume everything else to be -0000 + else + { + $timezone = 0; + } + + // Deal with 2 digit year + if ($match[4] < 50) + { + $match[4] += 2000; + } + else + { + $match[4] += 1900; + } + + return gmmktime($match[5], $match[6], $match[7], $month, $match[2], $match[4]) - $timezone; + } + else + { + return false; + } + } + + /** + * Parse C99's asctime()'s date format + * + * @access protected + * @return int Timestamp + */ + public function date_asctime($date) + { + static $pcre; + if (!$pcre) + { + $space = '[\x09\x20]+'; + $wday_name = $this->day_pcre; + $mon_name = $this->month_pcre; + $day = '([0-9]{1,2})'; + $hour = $sec = $min = '([0-9]{2})'; + $year = '([0-9]{4})'; + $terminator = '\x0A?\x00?'; + $pcre = '/^' . $wday_name . $space . $mon_name . $space . $day . $space . $hour . ':' . $min . ':' . $sec . $space . $year . $terminator . '$/i'; + } + if (preg_match($pcre, $date, $match)) + { + /* + Capturing subpatterns: + 1: Day name + 2: Month + 3: Day + 4: Hour + 5: Minute + 6: Second + 7: Year + */ + + $month = $this->month[strtolower($match[2])]; + return gmmktime($match[4], $match[5], $match[6], $month, $match[3], $match[7]); + } + else + { + return false; + } + } + + /** + * Parse dates using strtotime() + * + * @access protected + * @return int Timestamp + */ + public function date_strtotime($date) + { + $strtotime = strtotime($date); + if ($strtotime === -1 || $strtotime === false) + { + return false; + } + else + { + return $strtotime; + } + } +} + +/** + * Content-type sniffing + * + * @package SimplePie + */ +class SimplePie_Content_Type_Sniffer +{ + /** + * File object + * + * @var SimplePie_File + * @access private + */ + var $file; + + /** + * Create an instance of the class with the input file + * + * @access public + * @param SimplePie_Content_Type_Sniffer $file Input file + */ + public function __construct($file) + { + $this->file = $file; + } + + /** + * Get the Content-Type of the specified file + * + * @access public + * @return string Actual Content-Type + */ + public function get_type() + { + if (isset($this->file->headers['content-type'])) + { + if (!isset($this->file->headers['content-encoding']) + && ($this->file->headers['content-type'] === 'text/plain' + || $this->file->headers['content-type'] === 'text/plain; charset=ISO-8859-1' + || $this->file->headers['content-type'] === 'text/plain; charset=iso-8859-1')) + { + return $this->text_or_binary(); + } + + if (($pos = strpos($this->file->headers['content-type'], ';')) !== false) + { + $official = substr($this->file->headers['content-type'], 0, $pos); + } + else + { + $official = $this->file->headers['content-type']; + } + $official = strtolower($official); + + if ($official === 'unknown/unknown' + || $official === 'application/unknown') + { + return $this->unknown(); + } + elseif (substr($official, -4) === '+xml' + || $official === 'text/xml' + || $official === 'application/xml') + { + return $official; + } + elseif (substr($official, 0, 6) === 'image/') + { + if ($return = $this->image()) + { + return $return; + } + else + { + return $official; + } + } + elseif ($official === 'text/html') + { + return $this->feed_or_html(); + } + else + { + return $official; + } + } + else + { + return $this->unknown(); + } + } + + /** + * Sniff text or binary + * + * @access private + * @return string Actual Content-Type + */ + public function text_or_binary() + { + if (substr($this->file->body, 0, 2) === "\xFE\xFF" + || substr($this->file->body, 0, 2) === "\xFF\xFE" + || substr($this->file->body, 0, 4) === "\x00\x00\xFE\xFF" + || substr($this->file->body, 0, 3) === "\xEF\xBB\xBF") + { + return 'text/plain'; + } + elseif (preg_match('/[\x00-\x08\x0E-\x1A\x1C-\x1F]/', $this->file->body)) + { + return 'application/octect-stream'; + } + else + { + return 'text/plain'; + } + } + + /** + * Sniff unknown + * + * @access private + * @return string Actual Content-Type + */ + public function unknown() + { + $ws = strspn($this->file->body, "\x09\x0A\x0B\x0C\x0D\x20"); + if (strtolower(substr($this->file->body, $ws, 14)) === 'file->body, $ws, 5)) === 'file->body, $ws, 7)) === 'file->body, 0, 5) === '%PDF-') + { + return 'application/pdf'; + } + elseif (substr($this->file->body, 0, 11) === '%!PS-Adobe-') + { + return 'application/postscript'; + } + elseif (substr($this->file->body, 0, 6) === 'GIF87a' + || substr($this->file->body, 0, 6) === 'GIF89a') + { + return 'image/gif'; + } + elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A") + { + return 'image/png'; + } + elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF") + { + return 'image/jpeg'; + } + elseif (substr($this->file->body, 0, 2) === "\x42\x4D") + { + return 'image/bmp'; + } + else + { + return $this->text_or_binary(); + } + } + + /** + * Sniff images + * + * @access private + * @return string Actual Content-Type + */ + public function image() + { + if (substr($this->file->body, 0, 6) === 'GIF87a' + || substr($this->file->body, 0, 6) === 'GIF89a') + { + return 'image/gif'; + } + elseif (substr($this->file->body, 0, 8) === "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A") + { + return 'image/png'; + } + elseif (substr($this->file->body, 0, 3) === "\xFF\xD8\xFF") + { + return 'image/jpeg'; + } + elseif (substr($this->file->body, 0, 2) === "\x42\x4D") + { + return 'image/bmp'; + } + else + { + return false; + } + } + + /** + * Sniff HTML + * + * @access private + * @return string Actual Content-Type + */ + public function feed_or_html() + { + $len = strlen($this->file->body); + $pos = strspn($this->file->body, "\x09\x0A\x0D\x20"); + + while ($pos < $len) + { + switch ($this->file->body[$pos]) + { + case "\x09": + case "\x0A": + case "\x0D": + case "\x20": + $pos += strspn($this->file->body, "\x09\x0A\x0D\x20", $pos); + continue 2; + + case '<': + $pos++; + break; + + default: + return 'text/html'; + } + + if (substr($this->file->body, $pos, 3) === '!--') + { + $pos += 3; + if ($pos < $len && ($pos = strpos($this->file->body, '-->', $pos)) !== false) + { + $pos += 3; + } + else + { + return 'text/html'; + } + } + elseif (substr($this->file->body, $pos, 1) === '!') + { + if ($pos < $len && ($pos = strpos($this->file->body, '>', $pos)) !== false) + { + $pos++; + } + else + { + return 'text/html'; + } + } + elseif (substr($this->file->body, $pos, 1) === '?') + { + if ($pos < $len && ($pos = strpos($this->file->body, '?>', $pos)) !== false) + { + $pos += 2; + } + else + { + return 'text/html'; + } + } + elseif (substr($this->file->body, $pos, 3) === 'rss' + || substr($this->file->body, $pos, 7) === 'rdf:RDF') + { + return 'application/rss+xml'; + } + elseif (substr($this->file->body, $pos, 4) === 'feed') + { + return 'application/atom+xml'; + } + else + { + return 'text/html'; + } + } + + return 'text/html'; + } +} + +/** + * Parses the XML Declaration + * + * @package SimplePie + */ +class SimplePie_XML_Declaration_Parser +{ + /** + * XML Version + * + * @access public + * @var string + */ + var $version = '1.0'; + + /** + * Encoding + * + * @access public + * @var string + */ + var $encoding = 'UTF-8'; + + /** + * Standalone + * + * @access public + * @var bool + */ + var $standalone = false; + + /** + * Current state of the state machine + * + * @access private + * @var string + */ + var $state = 'before_version_name'; + + /** + * Input data + * + * @access private + * @var string + */ + var $data = ''; + + /** + * Input data length (to avoid calling strlen() everytime this is needed) + * + * @access private + * @var int + */ + var $data_length = 0; + + /** + * Current position of the pointer + * + * @var int + * @access private + */ + var $position = 0; + + /** + * Create an instance of the class with the input data + * + * @access public + * @param string $data Input data + */ + public function __construct($data) + { + $this->data = $data; + $this->data_length = strlen($this->data); + } + + /** + * Parse the input data + * + * @access public + * @return bool true on success, false on failure + */ + public function parse() + { + while ($this->state && $this->state !== 'emit' && $this->has_data()) + { + $state = $this->state; + $this->$state(); + } + $this->data = ''; + if ($this->state === 'emit') + { + return true; + } + else + { + $this->version = ''; + $this->encoding = ''; + $this->standalone = ''; + return false; + } + } + + /** + * Check whether there is data beyond the pointer + * + * @access private + * @return bool true if there is further data, false if not + */ + public function has_data() + { + return (bool) ($this->position < $this->data_length); + } + + /** + * Advance past any whitespace + * + * @return int Number of whitespace characters passed + */ + public function skip_whitespace() + { + $whitespace = strspn($this->data, "\x09\x0A\x0D\x20", $this->position); + $this->position += $whitespace; + return $whitespace; + } + + /** + * Read value + */ + public function get_value() + { + $quote = substr($this->data, $this->position, 1); + if ($quote === '"' || $quote === "'") + { + $this->position++; + $len = strcspn($this->data, $quote, $this->position); + if ($this->has_data()) + { + $value = substr($this->data, $this->position, $len); + $this->position += $len + 1; + return $value; + } + } + return false; + } + + public function before_version_name() + { + if ($this->skip_whitespace()) + { + $this->state = 'version_name'; + } + else + { + $this->state = false; + } + } + + public function version_name() + { + if (substr($this->data, $this->position, 7) === 'version') + { + $this->position += 7; + $this->skip_whitespace(); + $this->state = 'version_equals'; + } + else + { + $this->state = false; + } + } + + public function version_equals() + { + if (substr($this->data, $this->position, 1) === '=') + { + $this->position++; + $this->skip_whitespace(); + $this->state = 'version_value'; + } + else + { + $this->state = false; + } + } + + public function version_value() + { + if ($this->version = $this->get_value()) + { + $this->skip_whitespace(); + if ($this->has_data()) + { + $this->state = 'encoding_name'; + } + else + { + $this->state = 'emit'; + } + } + else + { + $this->state = false; + } + } + + public function encoding_name() + { + if (substr($this->data, $this->position, 8) === 'encoding') + { + $this->position += 8; + $this->skip_whitespace(); + $this->state = 'encoding_equals'; + } + else + { + $this->state = 'standalone_name'; + } + } + + public function encoding_equals() + { + if (substr($this->data, $this->position, 1) === '=') + { + $this->position++; + $this->skip_whitespace(); + $this->state = 'encoding_value'; + } + else + { + $this->state = false; + } + } + + public function encoding_value() + { + if ($this->encoding = $this->get_value()) + { + $this->skip_whitespace(); + if ($this->has_data()) + { + $this->state = 'standalone_name'; + } + else + { + $this->state = 'emit'; + } + } + else + { + $this->state = false; + } + } + + public function standalone_name() + { + if (substr($this->data, $this->position, 10) === 'standalone') + { + $this->position += 10; + $this->skip_whitespace(); + $this->state = 'standalone_equals'; + } + else + { + $this->state = false; + } + } + + public function standalone_equals() + { + if (substr($this->data, $this->position, 1) === '=') + { + $this->position++; + $this->skip_whitespace(); + $this->state = 'standalone_value'; + } + else + { + $this->state = false; + } + } + + public function standalone_value() + { + if ($standalone = $this->get_value()) + { + switch ($standalone) + { + case 'yes': + $this->standalone = true; + break; + + case 'no': + $this->standalone = false; + break; + + default: + $this->state = false; + return; + } + + $this->skip_whitespace(); + if ($this->has_data()) + { + $this->state = false; + } + else + { + $this->state = 'emit'; + } + } + else + { + $this->state = false; + } + } +} + +class SimplePie_Locator +{ + var $useragent; + var $timeout; + var $file; + var $local = array(); + var $elsewhere = array(); + var $file_class = 'SimplePie_File'; + var $cached_entities = array(); + var $http_base; + var $base; + var $base_location = 0; + var $checked_feeds = 0; + var $max_checked_feeds = 10; + var $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer'; + + public function __construct(&$file, $timeout = 10, $useragent = null, $file_class = 'SimplePie_File', $max_checked_feeds = 10, $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer') + { + $this->file =& $file; + $this->file_class = $file_class; + $this->useragent = $useragent; + $this->timeout = $timeout; + $this->max_checked_feeds = $max_checked_feeds; + $this->content_type_sniffer_class = $content_type_sniffer_class; + } + + public function find($type = SIMPLEPIE_LOCATOR_ALL, &$working) + { + if ($this->is_feed($this->file)) + { + return $this->file; + } + + if ($this->file->method & SIMPLEPIE_FILE_SOURCE_REMOTE) + { + $sniffer = new $this->content_type_sniffer_class($this->file); + if ($sniffer->get_type() !== 'text/html') + { + return null; + } + } + + if ($type & ~SIMPLEPIE_LOCATOR_NONE) + { + $this->get_base(); + } + + if ($type & SIMPLEPIE_LOCATOR_AUTODISCOVERY && $working = $this->autodiscovery()) + { + return $working[0]; + } + + if ($type & (SIMPLEPIE_LOCATOR_LOCAL_EXTENSION | SIMPLEPIE_LOCATOR_LOCAL_BODY | SIMPLEPIE_LOCATOR_REMOTE_EXTENSION | SIMPLEPIE_LOCATOR_REMOTE_BODY) && $this->get_links()) + { + if ($type & SIMPLEPIE_LOCATOR_LOCAL_EXTENSION && $working = $this->extension($this->local)) + { + return $working; + } + + if ($type & SIMPLEPIE_LOCATOR_LOCAL_BODY && $working = $this->body($this->local)) + { + return $working; + } + + if ($type & SIMPLEPIE_LOCATOR_REMOTE_EXTENSION && $working = $this->extension($this->elsewhere)) + { + return $working; + } + + if ($type & SIMPLEPIE_LOCATOR_REMOTE_BODY && $working = $this->body($this->elsewhere)) + { + return $working; + } + } + return null; + } + + public function is_feed(&$file) + { + if ($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE) + { + $sniffer = new $this->content_type_sniffer_class($file); + $sniffed = $sniffer->get_type(); + if (in_array($sniffed, array('application/rss+xml', 'application/rdf+xml', 'text/rdf', 'application/atom+xml', 'text/xml', 'application/xml'))) + { + return true; + } + else + { + return false; + } + } + elseif ($file->method & SIMPLEPIE_FILE_SOURCE_LOCAL) + { + return true; + } + else + { + return false; + } + } + + public function get_base() + { + $this->http_base = $this->file->url; + $this->base = $this->http_base; + $elements = SimplePie_Misc::get_element('base', $this->file->body); + foreach ($elements as $element) + { + if ($element['attribs']['href']['data'] !== '') + { + $this->base = SimplePie_Misc::absolutize_url(trim($element['attribs']['href']['data']), $this->http_base); + $this->base_location = $element['offset']; + break; + } + } + } + + public function autodiscovery() + { + $links = array_merge(SimplePie_Misc::get_element('link', $this->file->body), SimplePie_Misc::get_element('a', $this->file->body), SimplePie_Misc::get_element('area', $this->file->body)); + $done = array(); + $feeds = array(); + foreach ($links as $link) + { + if ($this->checked_feeds === $this->max_checked_feeds) + { + break; + } + if (isset($link['attribs']['href']['data']) && isset($link['attribs']['rel']['data'])) + { + $rel = array_unique(SimplePie_Misc::space_seperated_tokens(strtolower($link['attribs']['rel']['data']))); + + if ($this->base_location < $link['offset']) + { + $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->base); + } + else + { + $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->http_base); + } + + if (!in_array($href, $done) && in_array('feed', $rel) || (in_array('alternate', $rel) && !empty($link['attribs']['type']['data']) && in_array(strtolower(SimplePie_Misc::parse_mime($link['attribs']['type']['data'])), array('application/rss+xml', 'application/atom+xml'))) && !isset($feeds[$href])) + { + $this->checked_feeds++; + $feed = new $this->file_class($href, $this->timeout, 5, null, $this->useragent); + if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed)) + { + $feeds[$href] = $feed; + } + } + $done[] = $href; + } + } + + if (!empty($feeds)) + { + return array_values($feeds); + } + else { + return null; + } + } + + public function get_links() + { + $links = SimplePie_Misc::get_element('a', $this->file->body); + foreach ($links as $link) + { + if (isset($link['attribs']['href']['data'])) + { + $href = trim($link['attribs']['href']['data']); + $parsed = SimplePie_Misc::parse_url($href); + if ($parsed['scheme'] === '' || preg_match('/^(http(s)|feed)?$/i', $parsed['scheme'])) + { + if ($this->base_location < $link['offset']) + { + $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->base); + } + else + { + $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['href']['data']), $this->http_base); + } + + $current = SimplePie_Misc::parse_url($this->file->url); + + if ($parsed['authority'] === '' || $parsed['authority'] === $current['authority']) + { + $this->local[] = $href; + } + else + { + $this->elsewhere[] = $href; + } + } + } + } + $this->local = array_unique($this->local); + $this->elsewhere = array_unique($this->elsewhere); + if (!empty($this->local) || !empty($this->elsewhere)) + { + return true; + } + return null; + } + + public function extension(&$array) + { + foreach ($array as $key => $value) + { + if ($this->checked_feeds === $this->max_checked_feeds) + { + break; + } + if (in_array(strtolower(strrchr($value, '.')), array('.rss', '.rdf', '.atom', '.xml'))) + { + $this->checked_feeds++; + $feed = new $this->file_class($value, $this->timeout, 5, null, $this->useragent); + if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed)) + { + return $feed; + } + else + { + unset($array[$key]); + } + } + } + return null; + } + + public function body(&$array) + { + foreach ($array as $key => $value) + { + if ($this->checked_feeds === $this->max_checked_feeds) + { + break; + } + if (preg_match('/(rss|rdf|atom|xml)/i', $value)) + { + $this->checked_feeds++; + $feed = new $this->file_class($value, $this->timeout, 5, null, $this->useragent); + if ($feed->success && ($feed->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($feed->status_code === 200 || $feed->status_code > 206 && $feed->status_code < 300)) && $this->is_feed($feed)) + { + return $feed; + } + else + { + unset($array[$key]); + } + } + } + return null; + } +} + +class SimplePie_Parser +{ + var $error_code; + var $error_string; + var $current_line; + var $current_column; + var $current_byte; + var $separator = ' '; + var $namespace = array(''); + var $element = array(''); + var $xml_base = array(''); + var $xml_base_explicit = array(false); + var $xml_lang = array(''); + var $data = array(); + var $datas = array(array()); + var $current_xhtml_construct = -1; + var $encoding; + + public function parse(&$data, $encoding) + { + // Use UTF-8 if we get passed US-ASCII, as every US-ASCII character is a UTF-8 character + if (strtoupper($encoding) === 'US-ASCII') + { + $this->encoding = 'UTF-8'; + } + else + { + $this->encoding = $encoding; + } + + // Strip BOM: + // UTF-32 Big Endian BOM + if (substr($data, 0, 4) === "\x00\x00\xFE\xFF") + { + $data = substr($data, 4); + } + // UTF-32 Little Endian BOM + elseif (substr($data, 0, 4) === "\xFF\xFE\x00\x00") + { + $data = substr($data, 4); + } + // UTF-16 Big Endian BOM + elseif (substr($data, 0, 2) === "\xFE\xFF") + { + $data = substr($data, 2); + } + // UTF-16 Little Endian BOM + elseif (substr($data, 0, 2) === "\xFF\xFE") + { + $data = substr($data, 2); + } + // UTF-8 BOM + elseif (substr($data, 0, 3) === "\xEF\xBB\xBF") + { + $data = substr($data, 3); + } + + if (substr($data, 0, 5) === '')) !== false) + { + $declaration = new SimplePie_XML_Declaration_Parser(substr($data, 5, $pos - 5)); + if ($declaration->parse()) + { + $data = substr($data, $pos + 2); + $data = 'version . '" encoding="' . $encoding . '" standalone="' . (($declaration->standalone) ? 'yes' : 'no') . '"?>' . $data; + } + else + { + $this->error_string = 'SimplePie bug! Please report this!'; + return false; + } + } + + $return = true; + + static $xml_is_sane = null; + if ($xml_is_sane === null) + { + $parser_check = xml_parser_create(); + xml_parse_into_struct($parser_check, '&', $values); + xml_parser_free($parser_check); + $xml_is_sane = isset($values[0]['value']); + } + + // Create the parser + if ($xml_is_sane) + { + $xml = xml_parser_create_ns($this->encoding, $this->separator); + xml_parser_set_option($xml, XML_OPTION_SKIP_WHITE, 1); + xml_parser_set_option($xml, XML_OPTION_CASE_FOLDING, 0); + xml_set_object($xml, $this); + xml_set_character_data_handler($xml, 'cdata'); + xml_set_element_handler($xml, 'tag_open', 'tag_close'); + + // Parse! + if (!xml_parse($xml, $data, true)) + { + $this->error_code = xml_get_error_code($xml); + $this->error_string = xml_error_string($this->error_code); + $return = false; + } + $this->current_line = xml_get_current_line_number($xml); + $this->current_column = xml_get_current_column_number($xml); + $this->current_byte = xml_get_current_byte_index($xml); + xml_parser_free($xml); + return $return; + } + else + { + libxml_clear_errors(); + $xml = new XMLReader(); + $xml->xml($data); + while (@$xml->read()) + { + switch ($xml->nodeType) + { + + case constant('XMLReader::END_ELEMENT'): + if ($xml->namespaceURI !== '') + { + $tagName = $xml->namespaceURI . $this->separator . $xml->localName; + } + else + { + $tagName = $xml->localName; + } + $this->tag_close(null, $tagName); + break; + case constant('XMLReader::ELEMENT'): + $empty = $xml->isEmptyElement; + if ($xml->namespaceURI !== '') + { + $tagName = $xml->namespaceURI . $this->separator . $xml->localName; + } + else + { + $tagName = $xml->localName; + } + $attributes = array(); + while ($xml->moveToNextAttribute()) + { + if ($xml->namespaceURI !== '') + { + $attrName = $xml->namespaceURI . $this->separator . $xml->localName; + } + else + { + $attrName = $xml->localName; + } + $attributes[$attrName] = $xml->value; + } + $this->tag_open(null, $tagName, $attributes); + if ($empty) + { + $this->tag_close(null, $tagName); + } + break; + case constant('XMLReader::TEXT'): + + case constant('XMLReader::CDATA'): + $this->cdata(null, $xml->value); + break; + } + } + if ($error = libxml_get_last_error()) + { + $this->error_code = $error->code; + $this->error_string = $error->message; + $this->current_line = $error->line; + $this->current_column = $error->column; + return false; + } + else + { + return true; + } + } + } + + public function get_error_code() + { + return $this->error_code; + } + + public function get_error_string() + { + return $this->error_string; + } + + public function get_current_line() + { + return $this->current_line; + } + + public function get_current_column() + { + return $this->current_column; + } + + public function get_current_byte() + { + return $this->current_byte; + } + + public function get_data() + { + return $this->data; + } + + public function tag_open($parser, $tag, $attributes) + { + list($this->namespace[], $this->element[]) = $this->split_ns($tag); + + $attribs = array(); + foreach ($attributes as $name => $value) + { + list($attrib_namespace, $attribute) = $this->split_ns($name); + $attribs[$attrib_namespace][$attribute] = $value; + } + + if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['base'])) + { + $this->xml_base[] = SimplePie_Misc::absolutize_url($attribs[SIMPLEPIE_NAMESPACE_XML]['base'], end($this->xml_base)); + $this->xml_base_explicit[] = true; + } + else + { + $this->xml_base[] = end($this->xml_base); + $this->xml_base_explicit[] = end($this->xml_base_explicit); + } + + if (isset($attribs[SIMPLEPIE_NAMESPACE_XML]['lang'])) + { + $this->xml_lang[] = $attribs[SIMPLEPIE_NAMESPACE_XML]['lang']; + } + else + { + $this->xml_lang[] = end($this->xml_lang); + } + + if ($this->current_xhtml_construct >= 0) + { + $this->current_xhtml_construct++; + if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML) + { + $this->data['data'] .= '<' . end($this->element); + if (isset($attribs[''])) + { + foreach ($attribs[''] as $name => $value) + { + $this->data['data'] .= ' ' . $name . '="' . htmlspecialchars($value, ENT_COMPAT, $this->encoding) . '"'; + } + } + $this->data['data'] .= '>'; + } + } + else + { + $this->datas[] =& $this->data; + $this->data =& $this->data['child'][end($this->namespace)][end($this->element)][]; + $this->data = array('data' => '', 'attribs' => $attribs, 'xml_base' => end($this->xml_base), 'xml_base_explicit' => end($this->xml_base_explicit), 'xml_lang' => end($this->xml_lang)); + if ((end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_03 && in_array(end($this->element), array('title', 'tagline', 'copyright', 'info', 'summary', 'content')) && isset($attribs['']['mode']) && $attribs['']['mode'] === 'xml') + || (end($this->namespace) === SIMPLEPIE_NAMESPACE_ATOM_10 && in_array(end($this->element), array('rights', 'subtitle', 'summary', 'info', 'title', 'content')) && isset($attribs['']['type']) && $attribs['']['type'] === 'xhtml')) + { + $this->current_xhtml_construct = 0; + } + } + } + + public function cdata($parser, $cdata) + { + if ($this->current_xhtml_construct >= 0) + { + $this->data['data'] .= htmlspecialchars($cdata, ENT_QUOTES, $this->encoding); + } + else + { + $this->data['data'] .= $cdata; + } + } + + public function tag_close($parser, $tag) + { + if ($this->current_xhtml_construct >= 0) + { + $this->current_xhtml_construct--; + if (end($this->namespace) === SIMPLEPIE_NAMESPACE_XHTML && !in_array(end($this->element), array('area', 'base', 'basefont', 'br', 'col', 'frame', 'hr', 'img', 'input', 'isindex', 'link', 'meta', 'param'))) + { + $this->data['data'] .= 'element) . '>'; + } + } + if ($this->current_xhtml_construct === -1) + { + $this->data =& $this->datas[count($this->datas) - 1]; + array_pop($this->datas); + } + + array_pop($this->element); + array_pop($this->namespace); + array_pop($this->xml_base); + array_pop($this->xml_base_explicit); + array_pop($this->xml_lang); + } + + public function split_ns($string) + { + static $cache = array(); + if (!isset($cache[$string])) + { + if ($pos = strpos($string, $this->separator)) + { + static $separator_length; + if (!$separator_length) + { + $separator_length = strlen($this->separator); + } + $namespace = substr($string, 0, $pos); + $local_name = substr($string, $pos + $separator_length); + if (strtolower($namespace) === SIMPLEPIE_NAMESPACE_ITUNES) + { + $namespace = SIMPLEPIE_NAMESPACE_ITUNES; + } + + // Normalize the Media RSS namespaces + if ($namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG || + $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG2 || + $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG3 || + $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG4 || + $namespace === SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG5 ) + { + $namespace = SIMPLEPIE_NAMESPACE_MEDIARSS; + } + $cache[$string] = array($namespace, $local_name); + } + else + { + $cache[$string] = array('', $string); + } + } + return $cache[$string]; + } +} + +/** + * @todo Move to using an actual HTML parser (this will allow tags to be properly stripped, and to switch between HTML and XHTML), this will also make it easier to shorten a string while preserving HTML tags + */ +class SimplePie_Sanitize +{ + // Private vars + var $base; + + // Options + var $remove_div = true; + var $image_handler = ''; + var $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style'); + var $encode_instead_of_strip = false; + var $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc'); + var $strip_comments = false; + var $output_encoding = 'UTF-8'; + var $enable_cache = true; + var $cache_location = './cache'; + var $cache_name_function = 'md5'; + var $cache_class = 'SimplePie_Cache'; + var $file_class = 'SimplePie_File'; + var $timeout = 10; + var $useragent = ''; + var $force_fsockopen = false; + + var $replace_url_attributes = array( + 'a' => 'href', + 'area' => 'href', + 'blockquote' => 'cite', + 'del' => 'cite', + 'form' => 'action', + 'img' => array('longdesc', 'src'), + 'input' => 'src', + 'ins' => 'cite', + 'q' => 'cite' + ); + + public function remove_div($enable = true) + { + $this->remove_div = (bool) $enable; + } + + public function set_image_handler($page = false) + { + if ($page) + { + $this->image_handler = (string) $page; + } + else + { + $this->image_handler = false; + } + } + + public function pass_cache_data($enable_cache = true, $cache_location = './cache', $cache_name_function = 'md5', $cache_class = 'SimplePie_Cache') + { + if (isset($enable_cache)) + { + $this->enable_cache = (bool) $enable_cache; + } + + if ($cache_location) + { + $this->cache_location = (string) $cache_location; + } + + if ($cache_name_function) + { + $this->cache_name_function = (string) $cache_name_function; + } + + if ($cache_class) + { + $this->cache_class = (string) $cache_class; + } + } + + public function pass_file_data($file_class = 'SimplePie_File', $timeout = 10, $useragent = '', $force_fsockopen = false) + { + if ($file_class) + { + $this->file_class = (string) $file_class; + } + + if ($timeout) + { + $this->timeout = (string) $timeout; + } + + if ($useragent) + { + $this->useragent = (string) $useragent; + } + + if ($force_fsockopen) + { + $this->force_fsockopen = (string) $force_fsockopen; + } + } + + public function strip_htmltags($tags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style')) + { + if ($tags) + { + if (is_array($tags)) + { + $this->strip_htmltags = $tags; + } + else + { + $this->strip_htmltags = explode(',', $tags); + } + } + else + { + $this->strip_htmltags = false; + } + } + + public function encode_instead_of_strip($encode = false) + { + $this->encode_instead_of_strip = (bool) $encode; + } + + public function strip_attributes($attribs = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc')) + { + if ($attribs) + { + if (is_array($attribs)) + { + $this->strip_attributes = $attribs; + } + else + { + $this->strip_attributes = explode(',', $attribs); + } + } + else + { + $this->strip_attributes = false; + } + } + + public function strip_comments($strip = false) + { + $this->strip_comments = (bool) $strip; + } + + public function set_output_encoding($encoding = 'UTF-8') + { + $this->output_encoding = (string) $encoding; + } + + /** + * Set element/attribute key/value pairs of HTML attributes + * containing URLs that need to be resolved relative to the feed + * + * @access public + * @since 1.0 + * @param array $element_attribute Element/attribute key/value pairs + */ + public function set_url_replacements($element_attribute = array('a' => 'href', 'area' => 'href', 'blockquote' => 'cite', 'del' => 'cite', 'form' => 'action', 'img' => array('longdesc', 'src'), 'input' => 'src', 'ins' => 'cite', 'q' => 'cite')) + { + $this->replace_url_attributes = (array) $element_attribute; + } + + public function sanitize($data, $type, $base = '') + { + $data = trim($data); + if ($data !== '' || $type & SIMPLEPIE_CONSTRUCT_IRI) + { + if ($type & SIMPLEPIE_CONSTRUCT_MAYBE_HTML) + { + if (preg_match('/(&(#(x[0-9a-fA-F]+|[0-9]+)|[a-zA-Z0-9]+)|<\/[A-Za-z][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E]*' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>)/', $data)) + { + $type |= SIMPLEPIE_CONSTRUCT_HTML; + } + else + { + $type |= SIMPLEPIE_CONSTRUCT_TEXT; + } + } + + if ($type & SIMPLEPIE_CONSTRUCT_BASE64) + { + $data = base64_decode($data); + } + + if ($type & SIMPLEPIE_CONSTRUCT_XHTML) + { + if ($this->remove_div) + { + $data = preg_replace('/^/', '', $data); + $data = preg_replace('/<\/div>$/', '', $data); + } + else + { + $data = preg_replace('/^/', '
', $data); + } + } + + if ($type & (SIMPLEPIE_CONSTRUCT_HTML | SIMPLEPIE_CONSTRUCT_XHTML)) + { + // Strip comments + if ($this->strip_comments) + { + $data = SimplePie_Misc::strip_comments($data); + } + + // Strip out HTML tags and attributes that might cause various security problems. + // Based on recommendations by Mark Pilgrim at: + // http://diveintomark.org/archives/2003/06/12/how_to_consume_rss_safely + if ($this->strip_htmltags) + { + foreach ($this->strip_htmltags as $tag) + { + $pcre = "/<($tag)" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . "(>(.*)<\/$tag" . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>|(\/)?>)/siU'; + while (preg_match($pcre, $data)) + { + $data = preg_replace_callback($pcre, array(&$this, 'do_strip_htmltags'), $data); + } + } + } + + if ($this->strip_attributes) + { + foreach ($this->strip_attributes as $attrib) + { + $data = preg_replace('/(<[A-Za-z][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E]*)' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . trim($attrib) . '(?:\s*=\s*(?:"(?:[^"]*)"|\'(?:[^\']*)\'|(?:[^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?' . SIMPLEPIE_PCRE_HTML_ATTRIBUTE . '>/', '\1\2\3>', $data); + } + } + + // Replace relative URLs + $this->base = $base; + foreach ($this->replace_url_attributes as $element => $attributes) + { + $data = $this->replace_urls($data, $element, $attributes); + } + + // If image handling (caching, etc.) is enabled, cache and rewrite all the image tags. + if (isset($this->image_handler) && ((string) $this->image_handler) !== '' && $this->enable_cache) + { + $images = SimplePie_Misc::get_element('img', $data); + foreach ($images as $img) + { + if (isset($img['attribs']['src']['data'])) + { + $image_url = call_user_func($this->cache_name_function, $img['attribs']['src']['data']); + $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, $image_url, 'spi'); + + if ($cache->load()) + { + $img['attribs']['src']['data'] = $this->image_handler . $image_url; + $data = str_replace($img['full'], SimplePie_Misc::element_implode($img), $data); + } + else + { + $file = new $this->file_class($img['attribs']['src']['data'], $this->timeout, 5, array('X-FORWARDED-FOR' => $_SERVER['REMOTE_ADDR']), $this->useragent, $this->force_fsockopen); + $headers = $file->headers; + + if ($file->success && ($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300))) + { + if ($cache->save(array('headers' => $file->headers, 'body' => $file->body))) + { + $img['attribs']['src']['data'] = $this->image_handler . $image_url; + $data = str_replace($img['full'], SimplePie_Misc::element_implode($img), $data); + } + else + { + trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING); + } + } + } + } + } + } + + // Having (possibly) taken stuff out, there may now be whitespace at the beginning/end of the data + $data = trim($data); + } + + if ($type & SIMPLEPIE_CONSTRUCT_IRI) + { + $data = SimplePie_Misc::absolutize_url($data, $base); + } + + if ($type & (SIMPLEPIE_CONSTRUCT_TEXT | SIMPLEPIE_CONSTRUCT_IRI)) + { + $data = htmlspecialchars($data, ENT_COMPAT, 'UTF-8'); + } + + if ($this->output_encoding !== 'UTF-8') + { + $data = SimplePie_Misc::change_encoding($data, 'UTF-8', $this->output_encoding); + } + } + return $data; + } + + public function replace_urls($data, $tag, $attributes) + { + if (!is_array($this->strip_htmltags) || !in_array($tag, $this->strip_htmltags)) + { + $elements = SimplePie_Misc::get_element($tag, $data); + foreach ($elements as $element) + { + if (is_array($attributes)) + { + foreach ($attributes as $attribute) + { + if (isset($element['attribs'][$attribute]['data'])) + { + $element['attribs'][$attribute]['data'] = SimplePie_Misc::absolutize_url($element['attribs'][$attribute]['data'], $this->base); + $new_element = SimplePie_Misc::element_implode($element); + $data = str_replace($element['full'], $new_element, $data); + $element['full'] = $new_element; + } + } + } + elseif (isset($element['attribs'][$attributes]['data'])) + { + $element['attribs'][$attributes]['data'] = SimplePie_Misc::absolutize_url($element['attribs'][$attributes]['data'], $this->base); + $data = str_replace($element['full'], SimplePie_Misc::element_implode($element), $data); + } + } + } + return $data; + } + + public function do_strip_htmltags($match) + { + if ($this->encode_instead_of_strip) + { + if (isset($match[4]) && !in_array(strtolower($match[1]), array('script', 'style'))) + { + $match[1] = htmlspecialchars($match[1], ENT_COMPAT, 'UTF-8'); + $match[2] = htmlspecialchars($match[2], ENT_COMPAT, 'UTF-8'); + return "<$match[1]$match[2]>$match[3]</$match[1]>"; + } + else + { + return htmlspecialchars($match[0], ENT_COMPAT, 'UTF-8'); + } + } + elseif (isset($match[4]) && !in_array(strtolower($match[1]), array('script', 'style'))) + { + return $match[4]; + } + else + { + return ''; + } + } +} \ No newline at end of file diff --git a/license.txt b/license.txt new file mode 100644 index 0000000..dba13ed --- /dev/null +++ b/license.txt @@ -0,0 +1,661 @@ + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If your software can interact with users remotely through a computer +network, you should also make sure that it provides a way for users to +get its source. For example, if your program is a web application, its +interface could display a "Source" link that leads users to an archive +of the code. There are many ways you could offer source, and different +solutions will be better for different programs; see section 13 for the +specific requirements. + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU AGPL, see +. diff --git a/makefulltextfeed.php b/makefulltextfeed.php new file mode 100644 index 0000000..62a88a2 --- /dev/null +++ b/makefulltextfeed.php @@ -0,0 +1,577 @@ +. +*/ + +// Usage +// ----- +// Request this file passing it your feed in the querystring: makefulltextfeed.php?url=mysite.org +// The following options can be passed in the querystring: +// * URL: url=[feed or website url] (required, should be URL-encoded - in php: urlencode($url)) +// * URL points to HTML (not feed): html=true (optional, by default it's automatically detected) +// * API key: key=[api key] (optional, refer to config.php) +// * Max entries to process: max=[max number of items] (optional) + +error_reporting(E_ALL ^ E_NOTICE); +ini_set("display_errors", 1); +@set_time_limit(120); + +// set include path +set_include_path(realpath(dirname(__FILE__).'/libraries').PATH_SEPARATOR.get_include_path()); + +// Autoloading of classes allows us to include files only when they're +// needed. If we've got a cached copy, for example, only Zend_Cache is loaded. +function __autoload($class_name) { + static $mapping = array( + // Include SimplePie for RSS/Atom parsing + 'SimplePie' => 'simplepie/simplepie.class.php', + 'SimplePie_Misc' => 'simplepie/simplepie.class.php', + // Include FeedCreator for RSS/Atom creation + 'FeedWriter' => 'feedwriter/FeedWriter.php', + 'FeedItem' => 'feedwriter/FeedItem.php', + // Include Readability for identifying and extracting content from URLs + 'Readability' => 'readability/Readability.php', + // Include Humble HTTP Agent to allow parallel requests and response caching + 'HumbleHttpAgent' => 'humble-http-agent/HumbleHttpAgent.php', + // Include IRI class for resolving relative URLs + 'IRI' => 'iri/iri.php', + // Include Zend Cache to improve performance (cache results) + 'Zend_Cache' => 'Zend/Cache.php' + ); + if (isset($mapping[$class_name])) { + //echo "Loading $class_name\n
"; + require_once $mapping[$class_name]; + return true; + } else { + return false; + } +} + +//////////////////////////////// +// Load config file if it exists +//////////////////////////////// +// the config values below should be set in config.php (rename config-sample.php if config.php doesn't exist). +// the values below will only be used if config.php doesn't exist. +$options->enabled = true; +$options->restrict = false; +$options->default_entries = 5; +$options->max_entries = 10; +$options->rewrite_relative_urls = true; +$options->caching = false; +$options->cache_dir = dirname(__FILE__).'/cache'; +$options->message_to_prepend = ''; +$options->message_to_append = ''; +$options->blocked_urls = array(); +$options->alternative_url = ''; +$options->error_message = '[unable to retrieve full-text content]'; +$options->api_keys = array(); +$options->default_entries_with_key = 5; +$options->max_entries_with_key = 10; +$options->message_to_prepend_with_key = ''; +$options->message_to_append_with_key = ''; +$options->error_message_with_key = '[unable to retrieve full-text content]'; +$options->cache_directory_level = 0; +if (file_exists(dirname(__FILE__).'/config.php')) { + require_once(dirname(__FILE__).'/config.php'); +} + +////////////////////////////////////////////// +// Convert $html to UTF8 +// (uses HTTP headers and HTML to find encoding) +// adapted from http://stackoverflow.com/questions/910793/php-detect-encoding-and-make-everything-utf-8 +////////////////////////////////////////////// +function convert_to_utf8($html, $header=null) +{ + $accept = array( + 'type' => array('application/rss+xml', 'application/xml', 'application/rdf+xml', 'text/xml', 'text/html'), + 'charset' => array_diff(mb_list_encodings(), array('pass', 'auto', 'wchar', 'byte2be', 'byte2le', 'byte4be', 'byte4le', 'BASE64', 'UUENCODE', 'HTML-ENTITIES', 'Quoted-Printable', '7bit', '8bit')) + ); + $encoding = null; + if ($html || $header) { + if (is_array($header)) $header = implode("\n", $header); + if (!$header || !preg_match_all('/^Content-Type:\s+([^;]+)(?:;\s*charset=["\']?([^;"\'\n]*))?/im', $header, $match, PREG_SET_ORDER)) { + // error parsing the response + } else { + $match = end($match); // get last matched element (in case of redirects) + if (!in_array(strtolower($match[1]), $accept['type'])) { + // type not accepted + // TODO: avoid conversion + } + if (isset($match[2])) $encoding = trim($match[2], '"\''); + } + if (!$encoding) { + if (preg_match('/^<\?xml\s+version=(?:"[^"]*"|\'[^\']*\')\s+encoding=("[^"]*"|\'[^\']*\')/s', $html, $match)) { + $encoding = trim($match[1], '"\''); + } elseif(preg_match('/]+)/i', $html, $match)) { + if (isset($match[1])) $encoding = trim($match[1]); + } + } + if (!$encoding) { + $encoding = 'utf-8'; + } else { + if (!in_array($encoding, array_map('strtolower', $accept['charset']))) { + // encoding not accepted + // TODO: avoid conversion + } + if (strtolower($encoding) != 'utf-8') { + if (strtolower($encoding) == 'iso-8859-1') { + // replace MS Word smart qutoes + $trans = array(); + $trans[chr(130)] = '‚'; // Single Low-9 Quotation Mark + $trans[chr(131)] = 'ƒ'; // Latin Small Letter F With Hook + $trans[chr(132)] = '„'; // Double Low-9 Quotation Mark + $trans[chr(133)] = '…'; // Horizontal Ellipsis + $trans[chr(134)] = '†'; // Dagger + $trans[chr(135)] = '‡'; // Double Dagger + $trans[chr(136)] = 'ˆ'; // Modifier Letter Circumflex Accent + $trans[chr(137)] = '‰'; // Per Mille Sign + $trans[chr(138)] = 'Š'; // Latin Capital Letter S With Caron + $trans[chr(139)] = '‹'; // Single Left-Pointing Angle Quotation Mark + $trans[chr(140)] = 'Œ'; // Latin Capital Ligature OE + $trans[chr(145)] = '‘'; // Left Single Quotation Mark + $trans[chr(146)] = '’'; // Right Single Quotation Mark + $trans[chr(147)] = '“'; // Left Double Quotation Mark + $trans[chr(148)] = '”'; // Right Double Quotation Mark + $trans[chr(149)] = '•'; // Bullet + $trans[chr(150)] = '–'; // En Dash + $trans[chr(151)] = '—'; // Em Dash + $trans[chr(152)] = '˜'; // Small Tilde + $trans[chr(153)] = '™'; // Trade Mark Sign + $trans[chr(154)] = 'š'; // Latin Small Letter S With Caron + $trans[chr(155)] = '›'; // Single Right-Pointing Angle Quotation Mark + $trans[chr(156)] = 'œ'; // Latin Small Ligature OE + $trans[chr(159)] = 'Ÿ'; // Latin Capital Letter Y With Diaeresis + $html = strtr($html, $trans); + } + $html = SimplePie_Misc::change_encoding($html, $encoding, 'utf-8'); + + /* + if (function_exists('iconv')) { + // iconv appears to handle certain character encodings better than mb_convert_encoding + $html = iconv($encoding, 'utf-8', $html); + } else { + $html = mb_convert_encoding($html, 'utf-8', $encoding); + } + */ + } + } + } + return $html; +} + +function makeAbsolute($base, $elem) { + $base = new IRI($base); + foreach(array('a'=>'href', 'img'=>'src') as $tag => $attr) { + $elems = $elem->getElementsByTagName($tag); + for ($i = $elems->length-1; $i >= 0; $i--) { + $e = $elems->item($i); + //$e->parentNode->replaceChild($articleContent->ownerDocument->createTextNode($e->textContent), $e); + if ($e->hasAttribute($attr)) { + // Trim leading and trailing white space. I don't really like this but + // unfortunately it does appear on some sites. e.g. + $url = trim(str_replace('%20', ' ', $e->getAttribute($attr))); + $url = str_replace(' ', '%20', $url); + if (!preg_match('!https?://!i', $url)) { + $absolute = IRI::absolutize($base, $url); + if ($absolute) { + $e->setAttribute($attr, $absolute); + } + } + } + } + } +} + +//////////////////////////////// +// Check if service is enabled +//////////////////////////////// +if (!$options->enabled) { + die('The full-text RSS service is currently disabled'); +} + +//////////////////////////////// +// Check for feed URL +//////////////////////////////// +if (!isset($_GET['url'])) { + die('No URL supplied'); +} +$url = $_GET['url']; +if (!preg_match('!^https?://.+!i', $url)) { + $url = 'http://'.$url; +} +$valid_url = filter_var($url, FILTER_VALIDATE_URL); +if ($valid_url !== false && $valid_url !== null && preg_match('!^https?://!', $valid_url)) { + $url = filter_var($url, FILTER_SANITIZE_URL); +} else { + die('Invalid URL supplied'); +} + +//////////////////////////////// +// Redirect to alternative URL? +//////////////////////////////// +if ($options->alternative_url != '' && !isset($_GET['redir']) && mt_rand(0, 100) > 50) { + $redirect = $options->alternative_url.'?redir=true&url='.urlencode($url); + if (isset($_GET['html'])) $redirect .= '&html='.urlencode($_GET['html']); + if (isset($_GET['key'])) $redirect .= '&key='.urlencode($_GET['key']); + if (isset($_GET['max'])) $redirect .= '&max='.(int)$_GET['max']; + if (isset($_GET['links'])) $redirect .= '&links='.$_GET['links']; + header("Location: $redirect"); + exit; +} + +/////////////////////////////////////////////// +// Check if the request is explicitly for an HTML page +/////////////////////////////////////////////// +$html_only = (isset($_GET['html']) && $_GET['html'] == 'true'); + +/////////////////////////////////////////////// +// Check if valid key supplied +/////////////////////////////////////////////// +$valid_key = (isset($_GET['key']) && in_array($_GET['key'], $options->api_keys)); + +/////////////////////////////////////////////// +// Check URL against list of blacklisted URLs +// TODO: set up better system for this +/////////////////////////////////////////////// +foreach ($options->blocked_urls as $blockurl) { + if (strstr($url, $blockurl) !== false) { + die('URL blocked'); + } +} + +/////////////////////////////////////////////// +// Max entries +// see config.php to find these values +/////////////////////////////////////////////// +if (isset($_GET['max'])) { + $max = (int)$_GET['max']; + if ($valid_key) { + $max = min($max, $options->max_entries_with_key); + } else { + $max = min($max, $options->max_entries); + } +} else { + if ($valid_key) { + $max = $options->default_entries_with_key; + } else { + $max = $options->default_entries; + } +} + +/////////////////////////////////////////////// +// Link handling +/////////////////////////////////////////////// +if (($valid_key || !$options->restrict) && isset($_GET['links']) && in_array($_GET['links'], array('preserve', 'footnotes', 'remove'))) { + $links = $_GET['links']; +} else { + $links = 'preserve'; +} + +///////////////////////////////////// +// Check for valid format +// (stick to RSS for the time being) +///////////////////////////////////// +$format = 'rss'; + +////////////////////////////////// +// Check for cached copy +////////////////////////////////// +if ($options->caching) { + $frontendOptions = array( + 'lifetime' => ($valid_key || !$options->restrict) ? 10*60 : 20*60, // cache lifetime of 10 or 20 minutes + 'automatic_serialization' => false, + 'write_control' => false, + 'automatic_cleaning_factor' => 100, + 'ignore_user_abort' => false + ); + $backendOptions = array( + 'cache_dir' => ($valid_key) ? $options->cache_dir.'/rss-with-key/' : $options->cache_dir.'/rss/', // directory where to put the cache files + 'file_locking' => false, + 'read_control' => true, + 'read_control_type' => 'strlen', + 'hashed_directory_level' => $options->cache_directory_level, + 'hashed_directory_umask' => 0777, + 'cache_file_umask' => 0664, + 'file_name_prefix' => 'ff' + ); + + // getting a Zend_Cache_Core object + $cache = Zend_Cache::factory('Core', 'File', $frontendOptions, $backendOptions); + $cache_id = md5($max.$url.$valid_key.$links); + + if ($data = $cache->load($cache_id)) { + header("Content-type: text/xml; charset=UTF-8"); + if (headers_sent()) die('Some data has already been output, can\'t send RSS file'); + echo $data; + exit; + } +} + +////////////////////////////////// +// Set Expires header +////////////////////////////////// +if ($valid_key) { + header('Expires: ' . gmdate('D, d M Y H:i:s', time()+(60*10)) . ' GMT'); +} else { + header('Expires: ' . gmdate('D, d M Y H:i:s', time()+(60*20)) . ' GMT'); +} + +////////////////////////////////// +// Set up HTTP agent +////////////////////////////////// +$http = new HumbleHttpAgent(); + +if ($options->caching) { + $frontendOptions = array( + 'lifetime' => 30*60, // cache lifetime of 30 minutes + 'automatic_serialization' => true, + 'write_control' => false, + 'automatic_cleaning_factor' => 100, + 'ignore_user_abort' => false + ); + $backendOptions = array( + 'cache_dir' => $options->cache_dir.'/http-responses/', // directory where to put the cache files + 'file_locking' => false, + 'read_control' => true, + 'read_control_type' => 'strlen', + 'hashed_directory_level' => $options->cache_directory_level, + 'hashed_directory_umask' => 0777, + 'cache_file_umask' => 0664, + 'file_name_prefix' => 'ff' + ); + $httpCache = Zend_Cache::factory('Core', 'File', $frontendOptions, $backendOptions); + $http->useCache($httpCache); +} + +//////////////////////////////// +// Tidy config +//////////////////////////////// +if (function_exists('tidy_parse_string')) { + $tidy_config = array( + 'clean' => true, + 'output-xhtml' => true, + 'logical-emphasis' => true, + 'show-body-only' => false, + 'wrap' => 0, + 'drop-empty-paras' => true, + 'drop-proprietary-attributes' => false, + 'enclose-text' => true, + 'enclose-block-text' => true, + 'merge-divs' => true, + 'merge-spans' => true, + 'char-encoding' => 'utf8', + 'hide-comments' => true + ); +} + +//////////////////////////////// +// Get RSS/Atom feed +//////////////////////////////// +if (!$html_only) { + $feed = new SimplePie(); + $feed->set_feed_url($url); + $feed->set_autodiscovery_level(SIMPLEPIE_LOCATOR_NONE); + $feed->set_timeout(20); + $feed->enable_cache(false); + $feed->set_stupidly_fast(true); + $feed->enable_order_by_date(false); // we don't want to do anything to the feed + $feed->set_url_replacements(array()); + // initialise the feed + // the @ suppresses notices which on some servers causes a 500 internal server error + $result = @$feed->init(); + //$feed->handle_content_type(); + //$feed->get_title(); + if ($result && (!is_array($feed->data) || count($feed->data) == 0)) { + die('Sorry, no feed items found'); + } +} + +//////////////////////////////////////////////////////////////////////////////// +// Extract content from HTML (if URL is not feed or explicit HTML request has been made) +//////////////////////////////////////////////////////////////////////////////// +if ($html_only || !$result) { + unset($feed, $result); + if ($response = $http->get($url)) { + $effective_url = $response['effective_url']; + $html = $response['body']; + $html = convert_to_utf8($html, $response['headers']); + } else { + die('Error retrieving '.$url); + } + // Run through Tidy (if it exists). + // This fixes problems with some sites which would otherwise + // trouble DOMDocument's HTML parsing. + if (function_exists('tidy_parse_string')) { + $tidy = tidy_parse_string($html, $tidy_config, 'UTF8'); + if (tidy_clean_repair($tidy)) { + $html = $tidy->value; + } + } + $readability = new Readability($html, $effective_url); + if ($links == 'footnotes') $readability->convertLinksToFootnotes = true; + $readability->init(); + $readability->clean($readability->getContent(), 'select'); + if ($options->rewrite_relative_urls) makeAbsolute($effective_url, $readability->getContent()); + $title = $readability->getTitle()->textContent; + $content = $readability->getContent()->innerHTML; + if ($links == 'remove') { + $content = preg_replace('!]*>!', '', $content); + } + if (!$valid_key) { + $content = $options->message_to_prepend.$content; + $content .= $options->message_to_append; + } else { + $content = $options->message_to_prepend_with_key.$content; + $content .= $options->message_to_append_with_key; + } + unset($readability, $html); + $output = new FeedWriter(); //ATOM an option + $output->setTitle($title); + $output->setDescription("Content extracted from $url"); + if ($format == 'atom') { + $output->setChannelElement('updated', date(DATE_ATOM)); + $output->setChannelElement('author', array('name'=>'Five Filters', 'uri'=>'http://fivefilters.org')); + } + $output->setLink($url); + $newitem = $output->createNewItem(); + $newitem->setTitle($title); + $newitem->setLink($url); + if ($format == 'atom') { + $newitem->setDate(time()); + $newitem->addElement('content', $content); + } else { + $newitem->setDescription($content); + } + $output->addItem($newitem); + $output->genarateFeed(); + exit; +} + +//////////////////////////////////////////// +// Create full-text feed +//////////////////////////////////////////// +$output = new FeedWriter(); +$output->setTitle($feed->get_title()); +$output->setDescription($feed->get_description()); +$output->setLink($feed->get_link()); +if ($img_url = $feed->get_image_url()) { + $output->setImage($feed->get_title(), $feed->get_link(), $img_url); +} +if ($format == 'atom') { + $output->setChannelElement('updated', date(DATE_ATOM)); + $output->setChannelElement('author', array('name'=>'Five Filters', 'uri'=>'http://fivefilters.org')); +} + +//////////////////////////////////////////// +// Loop through feed items +//////////////////////////////////////////// +$items = $feed->get_items(0, $max); +// Request all feed items in parallel (if supported) +$urls_sanitized = array(); +$urls = array(); +foreach ($items as $key => $item) { + $permalink = htmlspecialchars_decode($item->get_permalink()); + $permalink = $http->validateUrl($permalink); + if ($permalink) { + $urls_sanitized[] = $permalink; + } + $urls[$key] = $permalink; +} +$http->fetchAll($urls_sanitized); +$http->cacheAll(); + +foreach ($items as $key => $item) { + $permalink = $urls[$key]; + $newitem = $output->createNewItem(); + $newitem->setTitle(htmlspecialchars_decode($item->get_title())); + if ($permalink !== false) { + $newitem->setLink($permalink); + } else { + $newitem->setLink($item->get_permalink()); + } + if ($permalink && $response = $http->get($permalink)) { + $effective_url = $response['effective_url']; + $html = $response['body']; + $html = convert_to_utf8($html, $response['headers']); + // Run through Tidy (if it exists). + // This fixes problems with some sites which would otherwise + // trouble DOMDocument's HTML parsing. (Although sometimes it fails + // to return anything, so it's a bit of tradeoff.) + if (function_exists('tidy_parse_string')) { + $tidy = tidy_parse_string($html, $tidy_config, 'UTF8'); + $tidy->cleanRepair(); + $html = $tidy->value; + } + $readability = new Readability($html, $effective_url); + if ($links == 'footnotes') $readability->convertLinksToFootnotes = true; + $readability->init(); + $readability->clean($readability->getContent(), 'select'); + if ($options->rewrite_relative_urls) makeAbsolute($effective_url, $readability->getContent()); + $html = $readability->getContent()->innerHTML; + if ($links == 'remove') { + $html = preg_replace('!]*>!', '', $html); + } + if (!$valid_key) { + $html = $options->message_to_prepend.$html; + $html .= $options->message_to_append; + } else { + $html = $options->message_to_prepend_with_key.$html; + $html .= $options->message_to_append_with_key; + } + } else { + if (!$valid_key) { + $html = $options->error_message; + } else { + $html = $options->error_message_with_key; + } + $html .= $item->get_description(); + } + if ($format == 'atom') { + $newitem->addElement('content', $html); + $newitem->setDate((int)$item->get_date('U')); + if ($author = $item->get_author()) { + $newitem->addElement('author', array('name'=>$author->get_name())); + } + } else { + $newitem->addElement('guid', $item->get_permalink(), array('isPermaLink'=>'true')); + $newitem->setDescription($html); + if ((int)$item->get_date('U') > 0) { + $newitem->setDate((int)$item->get_date('U')); + } + if ($author = $item->get_author()) { + $newitem->addElement('dc:creator', $author->get_name()); + } + } + $output->addItem($newitem); + unset($html); +} +// output feed +if ($options->caching) { + ob_start(); + $output->genarateFeed(); + $output = ob_get_contents(); + ob_end_clean(); + $cache->save($output, $cache_id); + echo $output; +} else { + $output->genarateFeed(); +} +?> \ No newline at end of file diff --git a/test.txt b/test.txt deleted file mode 100644 index e69de29..0000000
+

Create Full-Text Feeds — from FiveFilters.org

+
+
+ Create full-text feed from webpage or feed URL +
+
+
+
+
+
+ Options + + +
+
+
+
+
+
+
+
+
+
+ +
+
+ +

For the site owner

+ +

Thanks for downloading and setting this up. If you haven't done so already, check server compatibility + to see if your environment will support this application.

+

If everything's okay, feel free to edit this file (index.html) and make any changes you like. If you plan + to offer this service to others, please keep a download link so users can grab a copy of the code if they + want it (you can either offer the download yourself, or link to the download page on fivefilters.org). + That's one requirement of the license.

+

Thanks! :)

+ +

For everyone else

+ +

About

+

This is a free software project to help people extract content from web pages. It can extract content from a standard HTML page and return a 1-item feed or it can transform an existing feed into a full-text feed. It is being developed as part of the Five Filters project to promote independent, non-corporate media.

+ +

Bookmarklet

+

To easily transform partial-feeds you encounter (or convert any content on a page into a 1-item feed), drag the link below to your browser's bookmarks toolbar. + Then whenever you'd like a full-text feed, click the bookmarklet.

+

Drag this: + + +

API

+

To extract content from a web page or to transform an existing partial feed to full text, pass the URL (encoded) in the querystring to the following URL:

+
    +
  • /makefulltextfeed.php?url=[url]
    • +
+

If you have an API key, add that to the querystring:

+
    +
  • /makefulltextfeed.php?key=[key]&url=[url]
    • +
  • /makefulltextfeed.php?key=[key]&max=[number of feed items]&url=[url]
    • +
+ +

If you're not hosting this yourself, you do not have to rely on an external API if you don't want to — this is a free software (open source) + project licensed under the AGPL. You're free to download your own copy.

+ +

Source Code and Technologies

+

Source code available on launchpad.net.

The application uses PHP, PHP Readability, SimplePie, FeedWriter, Humble HTTP Agent, Zend Cache and IRI. Readability is the magic piece of code that tries to identify and extract the content block from any given web page.

+ +

System Requirements

+ +

PHP 5.2 or above is required. + The code has been tested on Windows and Linux using the Apache web server. If you're a Windows user, you can try it on your own machine using WampServer.

+ +

Download and Installation

+

The software can be downloaded free of charge through launchpad.net using a Bazaar client (see below). + However, for those who'd like a simpler solution, you can also buy a zip package with the + source code.

+ +

Installation with the Bazaar client

+ +
    +
  1. Log in to your host using SSH
    2. +
  2. Change to the directory where you want Full-Text RSS installed
    3. +
  3. Enter bzr export full-text-rss http://bazaar.launchpad.net/~keyvan/fivefilters/content-only/
    4. +
  4. Now enter chmod -R 0777 full-text-rss/cache/
    5. +
  5. That's it! Try accessing the full-text-rss folder through your web browser, you should see the form asking for a URL.
    6. +
  6. (Optional) If you'd like to customise the software, rename config-sample.php to config.php and edit the file.
    7. +
+ +

If you'd like to create a feed without going through the form first, you can simply pass the URL in the query string to makefulltextfeed.php (see the API section above).

+ +

License

+

AGPL logo
This web application is licensed under the AGPL version 3 — which basically means if you use the code to offer the same or similar service for your users, you are also required to share the code with your users so they can do the same themselves. (More on why this is important.)

+

The libraries used by the application are licensed as follows...

+ + + +

To support the development of the Full-Text RSS project, please donate. All donations greatly appreciated.

+ +