diff options
| -rw-r--r-- | inc/SimplePie.php | 6880 |
1 files changed, 4627 insertions, 2253 deletions
diff --git a/inc/SimplePie.php b/inc/SimplePie.php index f8ba9c563..bc7af90ff 100644 --- a/inc/SimplePie.php +++ b/inc/SimplePie.php @@ -4,8 +4,8 @@ SIMPLEPIE A PHP-Based RSS and Atom Feed Framework Takes the hard work out of managing a complete RSS/Atom solution. -Version: 1.0 Beta 2 -Updated: 30 May 2006 +Version: "Lemon Meringue" +Updated: 24 November 2006 Copyright: 2004-2006 Ryan Parman, Geoffrey Sneddon http://simplepie.org @@ -21,2700 +21,4329 @@ http://simplepie.org/support/ ****************************************************/ -class SimplePie { - - // SimplePie Information +class SimplePie +{ + // SimplePie Info var $name = 'SimplePie'; - var $version = '1.0 Beta 2'; - var $build = '20060530'; + var $version = '1.0 b3.2'; + var $build = '20061124'; var $url = 'http://simplepie.org/'; var $useragent; var $linkback; - // Run-time Variables + // Other objects, instances created here so we can set options on them + var $sanitize; + + // Options var $rss_url; - var $encoding; + var $file; + var $timeout = 10; var $xml_dump = false; - var $caching = true; + var $enable_cache = true; var $max_minutes = 60; var $cache_location = './cache'; - var $bypass_image_hotlink = 'i'; - var $bypass_image_hotlink_page = false; - var $replace_headers = false; - var $remove_div = true; var $order_by_date = true; - var $strip_ads = false; - var $strip_htmltags = 'blink,body,doctype,embed,font,form,frame,frameset,html,iframe,input,marquee,meta,noscript,object,param,script,style'; - var $strip_attributes = 'class,id,style,onclick,onmouseover,onmouseout,onfocus,onblur'; - var $encode_instead_of_strip = false; - - // RSS Auto-Discovery Variables - var $parsed_url; - var $local = array(); - var $elsewhere = array(); - - // XML Parsing Variables - var $xml; - var $tagName; - var $insideItem; - var $insideChannel; - var $insideImage; - var $insideAuthor; - var $itemNumber = 0; - var $authorNumber = 0; - var $categoryNumber = 0; - var $enclosureNumber = 0; - var $linkNumber = 0; - var $itemLinkNumber = 0; - var $data = false; - var $attribs; - var $xmldata; - var $feed_xmlbase; - var $item_xmlbase; - var $xhtml_prefix; - - - - - /**************************************************** - CONSTRUCTOR - Initiates a couple of variables. Accepts feed_url, cache_location, - and cache_max_minutes. - ****************************************************/ - function SimplePie($feed_url = null, $cache_location = null, $cache_max_minutes = null) { + var $input_encoding = false; + var $cache_class = 'SimplePie_Cache'; + var $locator_class = 'SimplePie_Locator'; + var $parser_class = 'SimplePie_Parser'; + var $file_class = 'SimplePie_File'; + var $force_fsockopen = false; + var $cache_name_type = 'sha1'; + + // Misc. variables + var $data; + var $error; + + function SimplePie($feed_url = null, $cache_location = null, $cache_max_minutes = null) + { + // Couple of variables built up from other variables $this->useragent = $this->name . '/' . $this->version . ' (Feed Parser; ' . $this->url . '; Allow like Gecko) Build/' . $this->build; $this->linkback = '<a href="' . $this->url . '" title="' . $this->name . ' ' . $this->version . '">' . $this->name . '</a>'; - if (!is_null($feed_url)) { + // Other objects, instances created here so we can set options on them + $this->sanitize = new SimplePie_Sanitize; + + // Set options if they're passed to the constructor + if (!is_null($feed_url)) + { $this->feed_url($feed_url); } - if (!is_null($cache_location)) { + if (!is_null($cache_location)) + { $this->cache_location($cache_location); } - if (!is_null($cache_max_minutes)) { + if (!is_null($cache_max_minutes)) + { $this->cache_max_minutes($cache_max_minutes); } - if (!is_null($feed_url)) { - return $this->init(); - } - // If we've passed an xmldump variable in the URL, snap into XMLdump mode - if (isset($_GET['xmldump'])) { - $this->enable_xmldump($_GET['xmldump']); + if (isset($_GET['xmldump'])) + { + $this->enable_xmldump(true); } - } - - - - /**************************************************** - CONFIGURE OPTIONS - Set various options (feed URL, XML dump, caching, etc.) - ****************************************************/ - // Feed URL - function feed_url($url) { - $url = $this->fix_protocol($url, 1); - $this->rss_url = $url; - return true; + // Only init the script if we're passed a feed URL + if (!is_null($feed_url)) + { + return $this->init(); + } } - // XML Dump - function enable_xmldump($enable) { - $this->xml_dump = (bool) $enable; - return true; + function feed_url($url) + { + $this->rss_url = SimplePie_Misc::fix_protocol($url, 1); } - // Bypass Image Hotlink - function bypass_image_hotlink($getvar='i') { - $this->bypass_image_hotlink = (string) $getvar; - return true; + function set_file(&$file) + { + if (is_a($file, 'SimplePie_File')) + { + $this->rss_url = $file->url; + $this->file =& $file; + } } - // Bypass Image Hotlink Page - function bypass_image_hotlink_page($page = false) { - $this->bypass_image_hotlink_page = (string) $page; - return true; + function set_timeout($timeout = 10) + { + $this->timeout = (int) $timeout; } - // Caching - function enable_caching($enable) { - $this->caching = (bool) $enable; - return true; + function set_raw_data($data) + { + $this->raw_data = trim((string) $data); } - // Cache Timeout - function cache_max_minutes($minutes) { - $this->max_minutes = (int) $minutes; - return true; + function enable_xmldump($enable = false) + { + $this->xml_dump = (bool) $enable; } - // Cache Location - function cache_location($location) { - $this->cache_location = (string) $location; - return true; + function enable_caching($enable = true) + { + $this->enable_cache = (bool) $enable; } - // Replace H1, H2, and H3 tags with the less important H4 tags. - function replace_headers($enable) { - $this->replace_headers = (bool) $enable; - return true; + function cache_max_minutes($minutes = 60) + { + $this->max_minutes = (float) $minutes; } - // Remove outer div in XHTML content within Atom - function remove_div($enable) { - $this->remove_div = (bool) $enable; - return true; + function cache_location($location = './cache') + { + $this->cache_location = (string) $location; } - // Order the items by date - function order_by_date($enable) { + function order_by_date($enable = true) + { $this->order_by_date = (bool) $enable; - return true; - } - - // Strip out certain well-known ads - function strip_ads($enable) { - $this->strip_ads = (bool) $enable; - return true; } - // Strip out potentially dangerous tags - function strip_htmltags($tags, $encode=false) { - $this->strip_htmltags = (string) $tags; - $this->encode_instead_of_strip = (bool) $encode; - return true; + function input_encoding($encoding = false) + { + if ($encoding) + { + $this->input_encoding = (string) $encoding; + } + else + { + $this->input_encoding = false; + } } - // Encode dangerous tags instead of stripping them - function encode_instead_of_strip($encode=true) { - $this->encode_instead_of_strip = (bool) $encode; - return true; + function set_cache_class($class = 'SimplePie_Cache') + { + if (SimplePie_Misc::is_a_class($class, 'SimplePie_Cache')) + { + $this->cache_class = $class; + return true; + } + return false; } - // Strip out potentially dangerous attributes - function strip_attributes($attrib) { - $this->strip_attributes = (string) $attrib; - return true; + function set_locator_class($class = 'SimplePie_Locator') + { + if (SimplePie_Misc::is_a_class($class, 'SimplePie_Locator')) + { + $this->locator_class = $class; + return true; + } + return false; } - - - - /**************************************************** - MAIN INITIALIZATION FUNCTION - Rewrites the feed so that it actually resembles XML, processes the XML, - and builds an array from the feed. - ****************************************************/ - function init() { - // If Bypass Image Hotlink is enabled, send image to the page and quit. - if ($this->bypass_image_hotlink) { - if (isset($_GET[$this->bypass_image_hotlink]) && !empty($_GET[$this->bypass_image_hotlink])) { - $this->display_image($_GET[$this->bypass_image_hotlink]); - exit; - } + function set_parser_class($class = 'SimplePie_Parser') + { + if (SimplePie_Misc::is_a_class($class, 'SimplePie_Parser')) + { + $this->parser_class = $class; + return true; } + return false; + } - // If Bypass Image Hotlink is enabled, send image to the page and quit. - if (isset($_GET['js'])) { - - // JavaScript for the Odeo Player - $embed=''; - $embed.='function embed_odeo(link) {'; - $embed.='document.writeln(\''; - $embed.='<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" '; - $embed.=' codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" '; - $embed.=' width="440" '; - $embed.=' height="80" '; - $embed.=' align="middle">'; - $embed.='<param name="movie" value="http://odeo.com/flash/audio_player_fullsize.swf" />'; - $embed.='<param name="allowScriptAccess" value="any" />'; - $embed.='<param name="quality" value="high">'; - $embed.='<param name="wmode" value="transparent">'; - $embed.='<param name="flashvars" value="valid_sample_rate=true&external_url=\'+link+\'" />'; - $embed.='<embed src="http://odeo.com/flash/audio_player_fullsize.swf" '; - $embed.=' pluginspage="http://www.macromedia.com/go/getflashplayer" '; - $embed.=' type="application/x-shockwave-flash" '; - $embed.=' quality="high" '; - $embed.=' width="440" '; - $embed.=' height="80" '; - $embed.=' wmode="transparent" '; - $embed.=' allowScriptAccess="any" '; - $embed.=' flashvars="valid_sample_rate=true&external_url=\'+link+\'">'; - $embed.='</embed>'; - $embed.='</object>'; - $embed.='\');'; - $embed.='}'; - - $embed.="\r\n"; - - $embed.='function embed_quicktime(type, bgcolor, width, height, link, placeholder, loop) {'; - $embed.='document.writeln(\''; - $embed.='<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" '; - $embed.=' style="cursor:hand; cursor:pointer;" '; - $embed.=' type="\'+type+\'" '; - $embed.=' codebase="http://www.apple.com/qtactivex/qtplugin.cab" '; - $embed.=' bgcolor="\'+bgcolor+\'" '; - $embed.=' width="\'+width+\'" '; - $embed.=' height="\'+height+\'">'; - $embed.='<param name="href" value="\'+link+\'" />'; - $embed.='<param name="src" value="\'+placeholder+\'" />'; - $embed.='<param name="autoplay" value="false" />'; - $embed.='<param name="target" value="myself" />'; - $embed.='<param name="controller" value="false" />'; - $embed.='<param name="loop" value="\'+loop+\'" />'; - $embed.='<param name="scale" value="aspect" />'; - $embed.='<param name="bgcolor" value="\'+bgcolor+\'">'; - $embed.='<embed type="\'+type+\'" '; - $embed.=' style="cursor:hand; cursor:pointer;" '; - $embed.=' href="\'+link+\'" '; - $embed.=' src="\'+placeholder+\'"'; - $embed.=' width="\'+width+\'" '; - $embed.=' height="\'+height+\'" '; - $embed.=' autoplay="false" '; - $embed.=' target="myself" '; - $embed.=' controller="false" '; - $embed.=' loop="\'+loop+\'" '; - $embed.=' scale="aspect" '; - $embed.=' bgcolor="\'+bgcolor+\'" '; - $embed.=' pluginspage="http://www.apple.com/quicktime/download/">'; - $embed.='</embed>'; - $embed.='</object>'; - $embed.='\');'; - $embed.='}'; - - $embed.="\r\n"; - - $embed.='function embed_flash(bgcolor, width, height, link, loop, type) {'; - $embed.='document.writeln(\''; - $embed.='<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" '; - $embed.=' codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0" '; - $embed.=' bgcolor="\'+bgcolor+\'" '; - $embed.=' width="\'+width+\'" '; - $embed.=' height="\'+height+\'">'; - $embed.='<param name="movie" value="\'+link+\'">'; - $embed.='<param name="quality" value="high">'; - $embed.='<param name="loop" value="\'+loop+\'">'; - $embed.='<param name="bgcolor" value="\'+bgcolor+\'">'; - $embed.='<embed src="\'+link+\'" '; - $embed.=' pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" '; - $embed.=' type="\'+type+\'" '; - $embed.=' quality="high" '; - $embed.=' width="\'+width+\'" '; - $embed.=' height="\'+height+\'" '; - $embed.=' bgcolor="\'+bgcolor+\'" '; - $embed.=' loop="\'+loop+\'">'; - $embed.='</embed>'; - $embed.='</object>'; - $embed.='\');'; - $embed.='}'; - - $embed.="\r\n"; - - $embed.='function embed_wmedia(width, height, link) {'; - $embed.='document.writeln(\''; - $embed.='<object classid="CLSID:22D6F312-B0F6-11D0-94AB-0080C74C7E95"'; - $embed.=' type="application/x-oleobject"'; - $embed.=' width="\'+width+\'"'; - $embed.=' height="\'+height+\'"'; - $embed.=' standby="Loading Windows Media Player...">'; - $embed.='<param name="FileName" value="\'+link+\'">'; - $embed.='<param name="autosize" value="true">'; - $embed.='<param name="ShowControls" value="true">'; - $embed.='<param name="ShowStatusBar" value="false">'; - $embed.='<param name="ShowDisplay" value="false">'; - $embed.='<param name="autostart" value="false">'; - $embed.='<embed type="application/x-mplayer2" '; - $embed.=' src="\'+link+\'" '; - $embed.=' autosize="1" '; - $embed.=' width="\'+width+\'" '; - $embed.=' height="\'+height+\'" '; - $embed.=' showcontrols="1" '; - $embed.=' showstatusbar="0" '; - $embed.=' showdisplay="0" '; - $embed.=' autostart="0">'; - $embed.='</embed>'; - $embed.='</object>'; - $embed.='\');'; - $embed.='}'; - - $embed.="\r\n"; - - // enable gzip compression - 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() + 60*60*24) . " GMT"); - echo $embed; - exit; + function set_file_class($class = 'SimplePie_File') + { + if (SimplePie_Misc::is_a_class($class, 'SimplePie_File')) + { + $this->file_class = $class; + return true; } + return false; + } - // If this is a .Mac Photocast, change it to the real URL. - if (stristr($this->rss_url, 'http://photocast.mac.com')) { - $this->rss_url = preg_replace('%http://photocast.mac.com%i', 'http://web.mac.com', $this->rss_url); + function set_sanitize_class($object = 'SimplePie_Sanitize') + { + if (class_exists($object)) + { + $this->sanitize = new $object; + return true; } + return false; + } - // Clear all outdated cache from the server's cache folder - $this->clear_cache($this->cache_location, $this->max_minutes); - - if (!empty($this->rss_url)) { - // Read the XML file for processing. - $cache_filename = $this->cache_location . '/' . urlencode($this->rss_url) . '.spc'; - if ($this->caching && !$this->xml_dump && substr($this->rss_url, 0, 7) == 'http://' && file_exists($cache_filename)) { - if ($fp = fopen($cache_filename, 'r')) { - $data = ''; - while (!feof($fp)) { - $data .= fread($fp, 2048); - } - fclose($fp); - $mp_rss = unserialize($data); - if (empty($mp_rss)) { - $this->caching = false; - return $this->init(); - } else if (isset($mp_rss['feed_url'])) { - $this->rss_url = $mp_rss['feed_url']; - return $this->init(); - } else { - $this->data = $mp_rss; - return true; - } - } else { - $this->caching = false; - return $this->init(); - } - } else { - // Get the file - $mp_rss = $this->get_file($this->rss_url); - - // Check if file is a feed or a webpage - // If it's a webpage, auto-discover the feed and re-pass it to init() - $discovery = $this->rss_locator($mp_rss, $this->rss_url); - if ($discovery) { - if ($discovery != $this->rss_url) { - $this->rss_url = $discovery; - if ($this->caching && substr($this->rss_url, 0, 7) == 'http://') { - if ($this->is_writeable_createable($cache_filename)) { - $fp = fopen($cache_filename, 'w'); - fwrite($fp, serialize(array('feed_url' => $discovery))); - fclose($fp); - } - else trigger_error("$cache_filename is not writeable", E_USER_WARNING); - } - return $this->init(); - } - } else { - $this->sp_error("A feed could not be found at $this->rss_url", E_USER_WARNING, __FILE__, __LINE__); - return false; - } - - // Trim out any whitespace at the beginning or the end of the file - $mp_rss = trim($mp_rss); - - // Get encoding - // Attempt to support everything from libiconv (http://www.gnu.org/software/libiconv/) - // Support everything from mbstring (http://www.php.net/manual/en/ref.mbstring.php#mbstring.supported-encodings) - $use_iconv = false; - $use_mbstring = false; - $utf8_fail = true; - if (preg_match('/encoding=["|\'](.*)["|\']/Ui', $mp_rss, $encoding)) { - $match = $encoding; - switch (strtolower($encoding[1])) { - - // 7bit - case '7bit': - case '7-bit': - $encoding = '7bit'; - $use_mbstring = true; - break; - - // 8bit - case '8bit': - case '8-bit': - $encoding = '8bit'; - $use_mbstring = true; - break; - - // ARMSCII-8 - case 'armscii-8': - case 'armscii': - $encoding = 'ARMSCII-8'; - $use_iconv = true; - break; - - // ASCII - case 'us-ascii': - case 'ascii': - $encoding = 'US-ASCII'; - $use_iconv = true; - $use_mbstring = true; - $utf8_fail = false; - break; - - // BASE64 - case 'base64': - case 'base-64': - $encoding = 'BASE64'; - $use_mbstring = true; - break; - - // Big5 - Traditional Chinese, mainly used in Taiwan - case 'big5': - case '950': - $encoding = 'BIG5'; - $use_iconv = true; - $use_mbstring = true; - break; - - // Big5 with Hong Kong extensions, Traditional Chinese - case 'big5-hkscs': - $encoding = 'BIG5-HKSCS'; - $use_iconv = true; - $use_mbstring = true; - break; - - // byte2be - case 'byte2be': - $encoding = 'byte2be'; - $use_mbstring = true; - break; + function set_useragent($ua) + { + $this->useragent = (string) $ua; + } - // byte2le - case 'byte2le': - $encoding = 'byte2le'; - $use_mbstring = true; - break; + function force_fsockopen($enable = false) + { + $this->force_fsockopen = (bool) $enable; + } - // byte4be - case 'byte4be': - $encoding = 'byte4be'; - $use_mbstring = true; - break; + function set_cache_name_type($type = 'sha1') + { + $type = strtolower(trim($type)); + switch ($type) + { + case 'crc32': + $this->cache_name_type = 'crc32'; + break; - // byte4le - case 'byte4le': - $encoding = 'byte4le'; - $use_mbstring = true; - break; + case 'md5': + $this->cache_name_type = 'md5'; + break; - // EUC-CN - case 'euc-cn': - case 'euccn': - $encoding = 'EUC-CN'; - $use_iconv = true; - $use_mbstring = true; - break; + case 'rawurlencode': + $this->cache_name_type = 'rawurlencode'; + break; - // EUC-JISX0213 - case 'euc-jisx0213': - case 'eucjisx0213': - $encoding = 'EUC-JISX0213'; - $use_iconv = true; - break; + case 'urlencode': + $this->cache_name_type = 'urlencode'; + break; - // EUC-JP - case 'euc-jp': - case 'eucjp': - $encoding = 'EUC-JP'; - $use_iconv = true; - $use_mbstring = true; - break; + default: + $this->cache_name_type = 'sha1'; + break; + } + } - // EUCJP-win - case 'euc-jp-win': - case 'eucjp-win': - case 'eucjpwin': - $encoding = 'EUCJP-win'; - $use_iconv = true; - $use_mbstring = true; - break; + function bypass_image_hotlink($get = false) + { + $this->sanitize->bypass_image_hotlink($get); + } - // EUC-KR - case 'euc-kr': - case 'euckr': - $encoding = 'EUC-KR'; - $use_iconv = true; - $use_mbstring = true; - break; + function bypass_image_hotlink_page($page = false) + { + $this->sanitize->bypass_image_hotlink_page($page); + } - // EUC-TW - case 'euc-tw': - case 'euctw': - $encoding = 'EUC-TW'; - $use_iconv = true; - $use_mbstring = true; - break; + function replace_headers($enable = false) + { + $this->sanitize->replace_headers($enable); + } - // GB18030 - Simplified Chinese, national standard character set - case 'gb18030-2000': - case 'gb18030': - $encoding = 'GB18030'; - $use_iconv = true; - break; + function remove_div($enable = true) + { + $this->sanitize->remove_div($enable); + } - // GB2312 - Simplified Chinese, national standard character set - case 'gb2312': - case '936': - $encoding = 'GB2312'; - $use_mbstring = true; - break; + function strip_ads($enable = false) + { + $this->sanitize->strip_ads($enable); + } - // GBK - case 'gbk': - $encoding = 'GBK'; - $use_iconv = true; - break; + function strip_htmltags($tags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style'), $encode = null) + { + $this->sanitize->strip_htmltags($tags); + if (!is_null($encode)) + { + $this->sanitize->encode_instead_of_strip($tags); + } + } - // Georgian-Academy - case 'georgian-academy': - $encoding = 'Georgian-Academy'; - $use_iconv = true; - break; + function encode_instead_of_strip($enable = true) + { + $this->sanitize->encode_instead_of_strip($enable); + } - // Georgian-PS - case 'georgian-ps': - $encoding = 'Georgian-PS'; - $use_iconv = true; - break; + function strip_attributes($attribs = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur')) + { + $this->sanitize->strip_attributes($attribs); + } - // HTML-ENTITIES - case 'html-entities': - case 'htmlentities': - $encoding = 'HTML-ENTITIES'; - $use_mbstring = true; - break; + function output_encoding($encoding = 'UTF-8') + { + $this->sanitize->output_encoding($encoding); + } - // HZ - case 'hz': - $encoding = 'HZ'; - $use_iconv = true; - $use_mbstring = true; - break; + function set_item_class($class = 'SimplePie_Item') + { + return $this->sanitize->set_item_class($class); + } - // ISO-2022-CN - case 'iso-2022-cn': - case 'iso2022-cn': - case 'iso2022cn': - $encoding = 'ISO-2022-CN'; - $use_iconv = true; - break; + function set_author_class($class = 'SimplePie_Author') + { + return $this->sanitize->set_author_class($class); + } - // ISO-2022-CN-EXT - case 'iso-2022-cn-ext': - case 'iso2022-cn-ext': - case 'iso2022cn-ext': - case 'iso2022cnext': - $encoding = 'ISO-2022-CN'; - $use_iconv = true; - break; + function set_enclosure_class($class = 'SimplePie_Enclosure') + { + return $this->sanitize->set_enclosure_class($class); + } - // ISO-2022-JP - case 'iso-2022-jp': - case 'iso2022-jp': - case 'iso2022jp': - $encoding = 'ISO-2022-JP'; - $use_iconv = true; - $use_mbstring = true; - break; + function init() + { + if (!(function_exists('version_compare') && ((version_compare(phpversion(), '4.3.2', '>=') && version_compare(phpversion(), '5', '<')) || version_compare(phpversion(), '5.0.3', '>='))) || !extension_loaded('xml') || !extension_loaded('pcre')) + { + return false; + } + if ($this->sanitize->bypass_image_hotlink && !empty($_GET[$this->sanitize->bypass_image_hotlink])) + { + if (get_magic_quotes_gpc()) + { + $_GET[$this->sanitize->bypass_image_hotlink] = stripslashes($_GET[$this->sanitize->bypass_image_hotlink]); + } + SimplePie_Misc::display_file($_GET[$this->sanitize->bypass_image_hotlink], 10, $this->useragent); + } - // ISO-2022-JP-1 - case 'iso-2022-jp-1': - case 'iso2022-jp-1': - case 'iso2022jp-1': - case 'iso2022jp1': - $encoding = 'ISO-2022-JP-1'; - $use_iconv = true; - break; + if (isset($_GET['js'])) + { + $embed = <<<EOT +function embed_odeo(link) { + document.writeln('<embed src="http://odeo.com/flash/audio_player_fullsize.swf" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="440" height="80" wmode="transparent" allowScriptAccess="any" flashvars="valid_sample_rate=true&external_url='+link+'"></embed>'); +} - // ISO-2022-JP-2 - case 'iso-2022-jp-2': - case 'iso2022-jp-2': - case 'iso2022jp-2': - case 'iso2022jp2': - $encoding = 'ISO-2022-JP-2'; - $use_iconv = true; - break; +function embed_quicktime(type, bgcolor, width, height, link, placeholder, loop) { + if (placeholder != '') { + document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" href="'+link+'" src="'+placeholder+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="false" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>'); + } + else { + document.writeln('<embed type="'+type+'" style="cursor:hand; cursor:pointer;" src="'+link+'" width="'+width+'" height="'+height+'" autoplay="false" target="myself" controller="true" loop="'+loop+'" scale="aspect" bgcolor="'+bgcolor+'" pluginspage="http://www.apple.com/quicktime/download/"></embed>'); + } +} - // ISO-2022-JP-3 - case 'iso-2022-jp-3': - case 'iso2022-jp-3': - case 'iso2022jp-3': - case 'iso2022jp3': - $encoding = 'ISO-2022-JP-3'; - $use_iconv = true; - break; +function embed_flash(bgcolor, width, height, link, loop, type) { + document.writeln('<embed src="'+link+'" pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" type="'+type+'" quality="high" width="'+width+'" height="'+height+'" bgcolor="'+bgcolor+'" loop="'+loop+'"></embed>'); +} - // ISO-2022-KR - case 'iso-2022-kr': - case 'iso2022-kr': - case 'iso2022kr': - $encoding = 'ISO-2022-KR'; - $use_iconv = true; - $use_mbstring = true; - break; +function embed_wmedia(width, height, link) { + document.writeln('<embed type="application/x-mplayer2" src="'+link+'" autosize="1" width="'+width+'" height="'+height+'" showcontrols="1" showstatusbar="0" showdisplay="0" autostart="0"></embed>'); +} +EOT; - // ISO-8859-1 - case 'iso-8859-1': - case 'iso8859-1': - $encoding = 'ISO-8859-1'; - $use_iconv = true; - $use_mbstring = true; - $utf8_fail = false; - break; + 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() + 86400) . ' GMT'); + echo $embed; + exit; + } - // ISO-8859-2 - case 'iso-8859-2': - case 'iso8859-2': - $encoding = 'ISO-8859-2'; - $use_iconv = true; - $use_mbstring = true; - break; + if (!empty($this->rss_url) || !empty($this->raw_data)) + { + $this->data = array(); + $cache = false; - // ISO-8859-3 - case 'iso-8859-3': - case 'iso8859-3': - $encoding = 'ISO-8859-3'; - $use_iconv = true; - $use_mbstring = true; - break; + if (!empty($this->rss_url)) + { + // Decide whether to enable caching + if ($this->enable_cache && preg_match('/^http(s)?:\/\//i', $this->rss_url)) + { + $cache = new $this->cache_class($this->cache_location, call_user_func($this->cache_name_type, $this->rss_url), 'spc'); + } + // If it's enabled and we don't want an XML dump, use the cache + if ($cache && !$this->xml_dump) + { + // Load the Cache + $this->data = $cache->load(); + if (!empty($this->data)) + { + // If we've hit a collision just rerun it with caching disabled + if (isset($this->data['url']) && $this->data['url'] != $this->rss_url) + { + $cache = false; + } + // If we've got a feed_url stored (if the page isn't actually a feed, or is a redirect) use that URL + else if (!empty($this->data['feed_url'])) + { + if ($this->data['feed_url'] == $this->data['url']) + { + $cache->unlink(); + } + else + { + $this->feed_url($this->data['feed_url']); + return $this->init(); + } + } + // If the cache is new enough + else if ($cache->mtime() + $this->max_minutes * 60 < time()) + { + // If we have last-modified and/or etag set + if (!empty($this->data['last-modified']) || !empty($this->data['etag'])) + { + $headers = array(); + if (!empty($this->data['last-modified'])) + { + $headers['if-modified-since'] = $this->data['last-modified']; + } + if (!empty($this->data['etag'])) + { + $headers['if-none-match'] = $this->data['etag']; + } + $file = new $this->file_class($this->rss_url, $this->timeout/10, 5, $headers, $this->useragent, $this->force_fsockopen); + if ($file->success) + { + $headers = $file->headers(); + if ($headers['status']['code'] == 304) + { + $cache->touch(); + return true; + } + } + else + { + unset($file); + } + } + // If we don't have last-modified or etag set, just clear the cache + else + { + $cache->unlink(); + } + } + // 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->rss_url) + { + $file =& $this->file; + } + else + { + $file = new $this->file_class($this->rss_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) + { + $this->error = $file->error; + return false; + } - // ISO-8859-4 - case 'iso-8859-4': - case 'iso8859-4': - $encoding = 'ISO-8859-4'; - $use_iconv = true; - $use_mbstring = true; - break; + // Check if the supplied URL is a feed, if it isn't, look for it. + $locate = new $this->locator_class($file, $this->timeout, $this->useragent); + if (!$locate->is_feed($file)) + { + $feed = $locate->find(); + if ($feed) + { + if ($cache && !$cache->save(array('url' => $this->rss_url, 'feed_url' => $feed))) + { + $this->error = "$cache->name is not writeable"; + SimplePie_Misc::error($this->error, E_USER_WARNING, __FILE__, __LINE__); + } + $this->rss_url = $feed; + return $this->init(); + } + else + { + $this->error = "A feed could not be found at $this->rss_url"; + SimplePie_Misc::error($this->error, E_USER_WARNING, __FILE__, __LINE__); + return false; + } + } - // ISO-8859-5 - case 'iso-8859-5': - case 'iso8859-5': - $encoding = 'ISO-8859-5'; - $use_iconv = true; - $use_mbstring = true; - break; + $headers = $file->headers(); + $data = trim($file->body()); + $file->close(); + unset($file); + } + else + { + $data = $this->raw_data; + } - // ISO-8859-6 - case 'iso-8859-6': - case 'iso8859-6': - $encoding = 'ISO-8859-6'; - $use_iconv = true; - $use_mbstring = true; - break; + // First check to see if input has been overridden. + if (!empty($this->input_encoding)) + { + $encoding = $this->input_encoding; + } + // Second try HTTP headers + else if (!empty($headers['content-type']) && preg_match('/charset\s*=\s*([^;]*)/i', $headers['content-type'], $charset)) + { + $encoding = $charset[1]; + } + // Then prolog, if at the very start of the document + else if (preg_match('/^<\?xml(.*)?>/msiU', $data, $prolog) && preg_match('/encoding\s*=\s*("([^"]*)"|\'([^\']*)\')/Ui', $prolog[1], $encoding)) + { + $encoding = substr($encoding[1], 1, -1); + } + // UTF-32 Big Endian BOM + else if (strpos($data, sprintf('%c%c%c%c', 0x00, 0x00, 0xFE, 0xFF)) === 0) + { + $encoding = 'UTF-32be'; + } + // UTF-32 Little Endian BOM + else if (strpos($data, sprintf('%c%c%c%c', 0xFF, 0xFE, 0x00, 0x00)) === 0) + { + $encoding = 'UTF-32'; + } + // UTF-16 Big Endian BOM + else if (strpos($data, sprintf('%c%c', 0xFE, 0xFF)) === 0) + { + $encoding = 'UTF-16be'; + } + // UTF-16 Little Endian BOM + else if (strpos($data, sprintf('%c%c', 0xFF, 0xFE)) === 0) + { + $encoding = 'UTF-16le'; + } + // UTF-8 BOM + else if (strpos($data, sprintf('%c%c%c', 0xEF, 0xBB, 0xBF)) === 0) + { + $encoding = 'UTF-8'; + } + // Fallback to the default + else + { + $encoding = null; + } - // ISO-8859-7 - case 'iso-8859-7': - case 'iso8859-7': - $encoding = 'ISO-8859-7'; - $use_iconv = true; - $use_mbstring = true; - break; + // Change the encoding to UTF-8 (as we always use UTF-8 internally) + $data = SimplePie_Misc::change_encoding($data, $encoding, 'UTF-8'); - // ISO-8859-8 - case 'iso-8859-8': - case 'iso8859-8': - $encoding = 'ISO-8859-8'; - $use_iconv = true; - $use_mbstring = true; - break; + // Strip illegal characters (if on less than PHP5, as on PHP5 expat can manage fine) + if (version_compare(phpversion(), '5', '<')) + { + if (function_exists('iconv')) + { + $data = iconv('UTF-8', 'UTF-8//IGNORE', $data); + } + else if (function_exists('mb_convert_encoding')) + { + $data = mb_convert_encoding($data, 'UTF-8', 'UTF-8'); + } + else + { + $data = SimplePie_Misc::utf8_bad_replace($data); + } + } - // ISO-8859-9 - case 'iso-8859-9': - case 'iso8859-9': - $encoding = 'ISO-8859-9'; - $use_iconv = true; - $use_mbstring = true; - break; + // Start parsing + $data = new $this->parser_class($data, 'UTF-8', $this->xml_dump); + // If we want the XML, just output that and quit + if ($this->xml_dump) + { + header('Content-type: text/xml; charset=UTF-8'); + echo $data->data; + exit; + } + // If it's parsed fine + else if (!$data->error_code) + { + // Parse the data, and make it sane + $this->sanitize->parse_data_array($data->data, $this->rss_url); + unset($data); + // Get the sane data + $this->data['feedinfo'] = $this->sanitize->feedinfo; + unset($this->sanitize->feedinfo); + $this->data['info'] = $this->sanitize->info; + unset($this->sanitize->info); + $this->data['items'] = $this->sanitize->items; + unset($this->sanitize->items); + $this->data['feedinfo']['encoding'] = $this->sanitize->output_encoding; + $this->data['url'] = $this->rss_url; + + // Store the headers that we need + if (!empty($headers['last-modified'])) + { + $this->data['last-modified'] = $headers['last-modified']; + } + if (!empty($headers['etag'])) + { + $this->data['etag'] = $headers['etag']; + } - // ISO-8859-10 - case 'iso-8859-10': - case 'iso8859-10': - $encoding = 'ISO-8859-10'; - $use_iconv = true; - $use_mbstring = true; + // If we want to order it by date, check if all items have a date, and then sort it + if ($this->order_by_date && !empty($this->data['items'])) + { + $do_sort = true; + foreach ($this->data['items'] as $item) + { + if (!$item->get_date('U')) + { + $do_sort = false; break; + } + } + if ($do_sort) + { + usort($this->data['items'], create_function('$a, $b', 'if ($a->get_date(\'U\') == $b->get_date(\'U\')) return 1; return ($a->get_date(\'U\') < $b->get_date(\'U\')) ? 1 : -1;')); + } + } - // mbstring/iconv functions don't appear to support 11 & 12 - - // ISO-8859-13 - case 'iso-8859-13': - case 'iso8859-13': - $encoding = 'ISO-8859-13'; - $use_iconv = true; - $use_mbstring = true; - break; + // Cache the file if caching is enabled + if ($cache && !$cache->save($this->data)) + { + $this->error = "$cache->name is not writeable"; + SimplePie_Misc::error($this->error, E_USER_WARNING, __FILE__, __LINE__); + } + return true; + } + // If we have an error, just set SimplePie::error to it and quit + else + { + $this->error = "XML error: $data->error_string at line $data->current_line, column $data->current_column"; + SimplePie_Misc::error($this->error, E_USER_WARNING, __FILE__, __LINE__); + return false; + } + } + } - // ISO-8859-14 - case 'iso-8859-14': - case 'iso8859-14': - $encoding = 'ISO-8859-14'; - $use_iconv = true; - $use_mbstring = true; - break; + function get_encoding() + { + if (!empty($this->data['feedinfo']['encoding'])) + { + return $this->data['feedinfo']['encoding']; + } + else + { + return false; + } + } - // ISO-8859-15 - case 'iso-8859-15': - case 'iso8859-15': - $encoding = 'ISO-8859-15'; - $use_iconv = true; - $use_mbstring = true; - break; + function handle_content_type($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); + } + } - // ISO-8859-16 - case 'iso-8859-16': - case 'iso8859-16': - $encoding = 'ISO-8859-16'; - $use_iconv = true; - break; + function get_type() + { + if (!empty($this->data['feedinfo']['type'])) + { + return $this->data['feedinfo']['type']; + } + else + { + return false; + } + } - // JIS - case 'jis': - $encoding = 'JIS'; - $use_mbstring = true; - break; + function get_version() + { + if (!empty($this->data['feedinfo']['version'])) + { + return $this->data['feedinfo']['version']; + } + else + { + return false; + } + } - // JOHAB - Korean - case 'johab': - $encoding = 'JOHAB'; - $use_iconv = true; - break; + function get_favicon($check = false, $alternate = null) + { + if (!empty($this->data['info']['link']['alternate'][0])) + { + $favicon = SimplePie_Misc::absolutize_url('/favicon.ico', $this->get_feed_link()); - // Russian - case 'koi8-r': - case 'koi8r': - $encoding = 'KOI8-R'; - $use_iconv = true; - $use_mbstring = true; - break; + if ($check) + { + $file = new $this->file_class($favicon, $this->timeout/10, 5, null, $this->useragent, $this->force_fsockopen); + $headers = $file->headers(); + $file->close(); - // Turkish - case 'koi8-t': - case 'koi8t': - $encoding = 'KOI8-T'; - $use_iconv = true; - break; + if ($headers['status']['code'] == 200) + { + return $favicon; + } + } + else + { + return $favicon; + } + } + if (!is_null($alternate)) + { + return $alternate; + } + else + { + return false; + } + } - // Ukrainian - case 'koi8-u': - case 'koi8u': - $encoding = 'KOI8-U'; - $use_iconv = true; - break; + function subscribe_url() + { + if (!empty($this->rss_url)) + { + return $this->rss_url; + } + else + { + return false; + } + } - // Russian+Ukrainian - case 'koi8-ru': - case 'koi8ru': - $encoding = 'KOI8-RU'; - $use_iconv = true; - break; + function subscribe_feed() + { + if (!empty($this->rss_url)) + { + return SimplePie_Misc::fix_protocol($this->rss_url, 2); + } + else + { + return false; + } + } - // Macintosh (Mac OS Classic) - case 'macintosh': - $encoding = 'Macintosh'; - $use_iconv = true; - break; + function subscribe_outlook() + { + if (!empty($this->rss_url)) + { + return 'outlook' . SimplePie_Misc::fix_protocol($this->rss_url, 2); + } + else + { + return false; + } + } - // MacArabic (Mac OS Classic) - case 'macarabic': - $encoding = 'MacArabic'; - $use_iconv = true; - break; + function subscribe_podcast() + { + if (!empty($this->rss_url)) + { + return SimplePie_Misc::fix_protocol($this->rss_url, 3); + } + else + { + return false; + } + } - // MacCentralEurope (Mac OS Classic) - case 'maccentraleurope': - $encoding = 'MacCentralEurope'; - $use_iconv = true; - break; + function subscribe_aol() + { + if ($this->subscribe_url()) + { + return 'http://feeds.my.aol.com/add.jsp?url=' . rawurlencode($this->subscribe_url()); + } + else + { + return false; + } + } - // MacCroatian (Mac OS Classic) - case 'maccroatian': - $encoding = 'MacCroatian'; - $use_iconv = true; - break; + function subscribe_bloglines() + { + if ($this->subscribe_url()) + { + return 'http://www.bloglines.com/sub/' . rawurlencode($this->subscribe_url()); + } + else + { + return false; + } + } - // MacCyrillic (Mac OS Classic) - case 'maccyrillic': - $encoding = 'MacCyrillic'; - $use_iconv = true; - break; + function subscribe_eskobo() + { + if ($this->subscribe_url()) + { + return 'http://www.eskobo.com/?AddToMyPage=' . rawurlencode($this->subscribe_url()); + } + else + { + return false; + } + } - // MacGreek (Mac OS Classic) - case 'macgreek': - $encoding = 'MacGreek'; - $use_iconv = true; - break; + function subscribe_feedfeeds() + { + if ($this->subscribe_url()) + { + return 'http://www.feedfeeds.com/add?feed=' . rawurlencode($this->subscribe_url()); + } + else + { + return false; + } + } - // MacHebrew (Mac OS Classic) - case 'machebrew': - $encoding = 'MacHebrew'; - $use_iconv = true; - break; + function subscribe_feedlounge() + { + if ($this->subscribe_url()) + { + return 'http://my.feedlounge.com/external/subscribe?url=' . rawurlencode($this->subscribe_url()); + } + else + { + return false; + } + } - // MacIceland (Mac OS Classic) - case 'maciceland': - $encoding = 'MacIceland'; - $use_iconv = true; - break; + function subscribe_feedster() + { + if ($this->subscribe_url()) + { + return 'http://www.feedster.com/myfeedster.php?action=addrss&confirm=no&rssurl=' . rawurlencode($this->subscribe_url()); + } + else + { + return false; + } + } - // MacRoman (Mac OS Classic) - case 'macroman': - $encoding = 'MacRoman'; - $use_iconv = true; - break; + function subscribe_google() + { + if ($this->subscribe_url()) + { + return 'http://fusion.google.com/add?feedurl=' . rawurlencode($this->subscribe_url()); + } + else + { + return false; + } + } - // MacRomania (Mac OS Classic) - case 'macromania': - $encoding = 'MacRomania'; - $use_iconv = true; - break; + function subscribe_gritwire() + { + if ($this->subscribe_url()) + { + return 'http://my.gritwire.com/feeds/addExternalFeed.aspx?FeedUrl=' . rawurlencode($this->subscribe_url()); + } + else + { + return false; + } + } - // MacThai (Mac OS Classic) - case 'macthai': - $encoding = 'MacThai'; - $use_iconv = true; - break; + function subscribe_msn() + { + if ($this->subscribe_url()) + { + $url = 'http://my.msn.com/addtomymsn.armx?id=rss&ut=' . rawurlencode($this->subscribe_url()); + if ($this->get_feed_link()) + { + $url .= '&ru=' . rawurlencode($this->get_feed_link()); + } + return $url; + } + else + { + return false; + } + } - // MacTurkish (Mac OS Classic) - case 'macturkish': - $encoding = 'MacTurkish'; - $use_iconv = true; - break; + function subscribe_netvibes() + { + if ($this->subscribe_url()) + { + return 'http://www.netvibes.com/subscribe.php?url=' . rawurlencode($this->subscribe_url()); + } + else + { + return false; + } + } - // MacUkraine (Mac OS Classic) - case 'macukraine': - $encoding = 'MacUkraine'; - $use_iconv = true; - break; + function subscribe_newsburst() + { + if ($this->subscribe_url()) + { + return 'http://www.newsburst.com/Source/?add=' . rawurlencode($this->subscribe_url()); + } + else + { + return false; + } + } - // MuleLao-1 - case 'mulelao-1': - case 'mulelao1': - $encoding = 'MuleLao-1'; - $use_iconv = true; - break; + function subscribe_newsgator() + { + if ($this->subscribe_url()) + { + return 'http://www.newsgator.com/ngs/subscriber/subext.aspx?url=' . rawurlencode($this->subscribe_url()); + } + else + { + return false; + } + } - // Shift_JIS - case 'shift_jis': - case 'sjis': - case '932': - $encoding = 'Shift_JIS'; - $use_iconv = true; - $use_mbstring = true; - break; + function subscribe_odeo() + { + if ($this->subscribe_url()) + { + return 'http://www.odeo.com/listen/subscribe?feed=' . rawurlencode($this->subscribe_url()); + } + else + { + return false; + } + } - // Shift_JISX0213 - case 'shift-jisx0213': - case 'shiftjisx0213': - $encoding = 'Shift_JISX0213'; - $use_iconv = true; - break; + function subscribe_pluck() + { + if ($this->subscribe_url()) + { + return 'http://client.pluck.com/pluckit/prompt.aspx?GCID=C12286x053&a=' . rawurlencode($this->subscribe_url()); + } + else + { + return false; + } + } - // SJIS-win - case 'sjis-win': - case 'sjiswin': - case 'shift_jis-win': - $encoding = 'SJIS-win'; - $use_iconv = true; - $use_mbstring = true; - break; + function subscribe_podnova() + { + if ($this->subscribe_url()) + { + return 'http://www.podnova.com/index_your_podcasts.srf?action=add&url=' . rawurlencode($this->subscribe_url()); + } + else + { + return false; + } + } - // TCVN - Vietnamese - case 'tcvn': - $encoding = 'TCVN'; - $use_iconv = true; - break; + function subscribe_rojo() + { + if ($this->subscribe_url()) + { + return 'http://www.rojo.com/add-subscription?resource=' . rawurlencode($this->subscribe_url()); + } + else + { + return false; + } + } - // TDS565 - Turkish - case 'tds565': - $encoding = 'TDS565'; - $use_iconv = true; - break; + function subscribe_yahoo() + { + if ($this->subscribe_url()) + { + return 'http://add.my.yahoo.com/rss?url=' . rawurlencode($this->subscribe_url()); + } + else + { + return false; + } + } - // TIS-620 Thai - case 'tis-620': - case 'tis620': - $encoding = 'TIS-620'; - $use_iconv = true; - $use_mbstring = true; - break; + function get_feed_title() + { + if (!empty($this->data['info']['title'])) + { + return $this->data['info']['title']; + } + else + { + return false; + } + } - // UCS-2 - case 'ucs-2': - case 'ucs2': - case 'utf-16': - case 'utf16': - $encoding = 'UCS-2'; - $use_iconv = true; - $use_mbstring = true; - break; + function get_feed_link() + { + if (!empty($this->data['info']['link']['alternate'][0])) + { + return $this->data['info']['link']['alternate'][0]; + } + else + { + return false; + } + } - // UCS-2BE - case 'ucs-2be': - case 'ucs2be': - case 'utf-16be': - case 'utf16be': - $encoding = 'UCS-2BE'; - $use_iconv = true; - $use_mbstring = true; - break; + function get_feed_links() + { + if (!empty($this->data['info']['link'])) + { + return $this->data['info']['link']; + } + else + { + return false; + } + } - // UCS-2LE - case 'ucs-2le': - case 'ucs2le': - case 'utf-16le': - case 'utf16le': - $encoding = 'UCS-2LE'; - $use_iconv = true; - $use_mbstring = true; - break; + function get_feed_description() + { + if (!empty($this->data['info']['description'])) + { + return $this->data['info']['description']; + } + else if (!empty($this->data['info']['dc:description'])) + { + return $this->data['info']['dc:description']; + } + else if (!empty($this->data['info']['tagline'])) + { + return $this->data['info']['tagline']; + } + else if (!empty($this->data['info']['subtitle'])) + { + return $this->data['info']['subtitle']; + } + else + { + return false; + } + } - // UCS-2-INTERNAL - case 'ucs-2-internal': - case 'ucs2internal': - $encoding = 'UCS-2-INTERNAL'; - $use_iconv = true; - break; + function get_feed_copyright() + { + if (!empty($this->data['info']['copyright'])) + { + return $this->data['info']['copyright']; + } + else + { + return false; + } + } - // UCS-4 - case 'ucs-4': - case 'ucs4': - case 'utf-32': - case 'utf32': - $encoding = 'UCS-4'; - $use_iconv = true; - $use_mbstring = true; - break; + function get_feed_language() + { + if (!empty($this->data['info']['language'])) + { + return $this->data['info']['language']; + } + else if (!empty($this->data['info']['xml:lang'])) + { + return $this->data['info']['xml:lang']; + } + else + { + return false; + } + } - // UCS-4BE - case 'ucs-4be': - case 'ucs4be': - case 'utf-32be': - case 'utf32be': - $encoding = 'UCS-4BE'; - $use_iconv = true; - $use_mbstring = true; - break; + function get_image_exist() + { + if (!empty($this->data['info']['image']['url']) || !empty($this->data['info']['image']['logo'])) + { + return true; + } + else + { + return false; + } + } - // UCS-4LE - case 'ucs-4le': - case 'ucs4le': - case 'utf-32le': - case 'utf32le': - $encoding = 'UCS-4LE'; - $use_iconv = true; - $use_mbstring = true; - break; + function get_image_title() + { + if (!empty($this->data['info']['image']['title'])) + { + return $this->data['info']['image']['title']; + } + else + { + return false; + } + } - // UCS-4-INTERNAL - case 'ucs-4-internal': - case 'ucs4internal': - $encoding = 'UCS-4-INTERNAL'; - $use_iconv = true; - break; + function get_image_url() + { + if (!empty($this->data['info']['image']['url'])) + { + return $this->data['info']['image']['url']; + } + else if (!empty($this->data['info']['image']['logo'])) + { + return $this->data['info']['image']['logo']; + } + else + { + return false; + } + } - // UCS-16 - case 'ucs-16': - case 'ucs16': - $encoding = 'UCS-16'; - $use_iconv = true; - $use_mbstring = true; - break; + function get_image_link() + { + if (!empty($this->data['info']['image']['link'])) + { + return $this->data['info']['image']['link']; + } + else + { + return false; + } + } - // UCS-16BE - case 'ucs-16be': - case 'ucs16be': - $encoding = 'UCS-16BE'; - $use_iconv = true; - $use_mbstring = true; - break; + function get_image_width() + { + if (!empty($this->data['info']['image']['width'])) + { + return $this->data['info']['image']['width']; + } + else + { + return false; + } + } - // UCS-16LE - case 'ucs-16le': - case 'ucs16le': - $encoding = 'UCS-16LE'; - $use_iconv = true; - $use_mbstring = true; - break; + function get_image_height() + { + if (!empty($this->data['info']['image']['height'])) + { + return $this->data['info']['image']['height']; + } + else + { + return false; + } + } - // UCS-32 - case 'ucs-32': - case 'ucs32': - $encoding = 'UCS-32'; - $use_iconv = true; - $use_mbstring = true; - break; + function get_item_quantity($max = 0) + { + if (!empty($this->data['items'])) + { + $qty = sizeof($this->data['items']); + } + else + { + $qty = 0; + } + if ($max == 0) + { + return $qty; + } + else + { + return ($qty > $max) ? $max : $qty; + } + } - // UCS-32BE - case 'ucs-32be': - case 'ucs32be': - $encoding = 'UCS-32BE'; - $use_iconv = true; - $use_mbstring = true; - break; + function get_item($key = 0) + { + if (!empty($this->data['items'][$key])) + { + return $this->data['items'][$key]; + } + else + { + return false; + } + } - // UCS-32LE - case 'ucs-32le': - case 'ucs32le': - $encoding = 'UCS-32LE'; - $use_iconv = true; - $use_mbstring = true; - break; + function get_items($start = 0, $end = 0) + { + if ($this->get_item_quantity() > 0) + { + if ($end == 0) + { + return array_slice($this->data['items'], $start); + } + else + { + return array_slice($this->data['items'], $start, $end); + } + } + else + { + return false; + } + } +} - // UTF-7 - case 'utf-7': - case 'utf7': - $encoding = 'UTF-7'; - $use_iconv = true; - $use_mbstring = true; - break; +class SimplePie_Item +{ + var $data; - // UTF7-IMAP - case 'utf-7-imap': - case 'utf7-imap': - case 'utf7imap': - $encoding = 'UTF7-IMAP'; - $use_mbstring = true; - break; + function SimplePie_Item($data) + { + $this->data =& $data; + } - // VISCII - Vietnamese ASCII - case 'viscii': - $encoding = 'VISCII'; - $use_iconv = true; - break; + function get_id() + { + if (!empty($this->data['guid']['data'])) + { + return $this->data['guid']['data']; + } + else if (!empty($this->data['id'])) + { + return $this->data['id']; + } + else + { + return false; + } + } - // Windows-specific Central & Eastern Europe - case 'cp1250': - case 'windows-1250': - case 'win-1250': - case '1250': - $encoding = 'Windows-1250'; - $use_iconv = true; - break; + function get_title() + { + if (!empty($this->data['title'])) + { + return $this->data['title']; + } + else if (!empty($this->data['dc:title'])) + { + return $this->data['dc:title']; + } + else + { + return false; + } + } - // Windows-specific Cyrillic - case 'cp1251': - case 'windows-1251': - case 'win-1251': - case '1251': - $encoding = 'Windows-1251'; - $use_iconv = true; - $use_mbstring = true; - break; + function get_description() + { + if (!empty($this->data['content'])) + { + return $this->data['content']; + } + else if (!empty($this->data['encoded'])) + { + return $this->data['encoded']; + } + else if (!empty($this->data['summary'])) + { + return $this->data['summary']; + } + else if (!empty($this->data['description'])) + { + return $this->data['description']; + } + else if (!empty($this->data['dc:description'])) + { + return $this->data['dc:description']; + } + else if (!empty($this->data['longdesc'])) + { + return $this->data['longdesc']; + } + else + { + return false; + } + } - // Windows-specific Western Europe - case 'cp1252': - case 'windows-1252': - case '1252': - $encoding = 'Windows-1252'; - $use_iconv = true; - $use_mbstring = true; - break; + function get_category($key = 0) + { + $categories = $this->get_categories(); + if (!empty($categories[$key])) + { + return $categories[$key]; + } + else + { + return false; + } + } - // Windows-specific Greek - case 'cp1253': - case 'windows-1253': - case '1253': - $encoding = 'Windows-1253'; - $use_iconv = true; - break; + function get_categories() + { + $categories = array(); + if (!empty($this->data['category'])) + { + $categories = array_merge($categories, $this->data['category']); + } + if (!empty($this->data['subject'])) + { + $categories = array_merge($categories, $this->data['subject']); + } + if (!empty($this->data['term'])) + { + $categories = array_merge($categories, $this->data['term']); + } + if (!empty($categories)) + { + return array_unique($categories); + } + else + { + return false; + } + } - // Windows-specific Turkish - case 'cp1254': - case 'windows-1254': - case '1254': - $encoding = 'Windows-1254'; - $use_iconv = true; - break; + function get_author($key = 0) + { + $authors = $this->get_authors(); + if (!empty($authors[$key])) + { + return $authors[$key]; + } + else + { + return false; + } + } - // Windows-specific Hebrew - case 'cp1255': - case 'windows-1255': - case '1255': - $encoding = 'Windows-1255'; - $use_iconv = true; - break; + function get_authors() + { + $authors = array(); + if (!empty($this->data['author'])) + { + $authors = array_merge($authors, $this->data['author']); + } + if (!empty($this->data['creator'])) + { + $authors = array_merge($authors, $this->data['creator']); + } + if (!empty($authors)) + { + return array_unique($authors); + } + else + { + return false; + } + } - // Windows-specific Arabic - case 'cp1256': - case 'windows-1256': - case '1256': - $encoding = 'Windows-1256'; - $use_iconv = true; - break; + function get_date($date_format = 'j F Y, g:i a') + { + if (!empty($this->data['pubdate'])) + { + return date($date_format, $this->data['pubdate']); + } + else if (!empty($this->data['dc:date'])) + { + return date($date_format, $this->data['dc:date']); + } + else if (!empty($this->data['issued'])) + { + return date($date_format, $this->data['issued']); + } + else if (!empty($this->data['published'])) + { + return date($date_format, $this->data['published']); + } + else if (!empty($this->data['modified'])) + { + return date($date_format, $this->data['modified']); + } + else if (!empty($this->data['updated'])) + { + return date($date_format, $this->data['updated']); + } + else + { + return false; + } + } - // Windows-specific Baltic - case 'cp1257': - case 'windows-1257': - case '1257': - $encoding = 'Windows-1257'; - $use_iconv = true; - break; + function get_permalink() + { + $link = $this->get_link(0); + $enclosure = $this->get_enclosure(0); + if (!empty($link)) + { + return $link; + } + else if (!empty($enclosure)) + { + return $enclosure->get_link(); + } + else + { + return false; + } + } - // Windows-specific Vietnamese - case 'cp1258': - case 'windows-1258': - case '1258': - $encoding = 'Windows-1258'; - $use_iconv = true; - break; + function get_link($key = 0, $rel = 'alternate') + { + $links = $this->get_links($rel); + if (!empty($links[$key])) + { + return $links[$key]; + } + else + { + return false; + } + } - // Default to UTF-8 - default: - $encoding = 'UTF-8'; - break; - } - } else { - $mp_rss = preg_replace ('/<\?xml(.*)( standalone="no")(.*)\?>/msiU', '<?xml\\1\\3?>', $mp_rss, 1); - $mp_rss = preg_replace ('/<\?xml(.*)\?>/msiU', '<?xml\\1 encoding="UTF-8"?>', $mp_rss, 1); - preg_match('/encoding=["|\'](.*)["|\']/Ui', $mp_rss, $match); - $use_iconv = true; - $use_mbstring = true; - $utf8_fail = false; - $encoding = 'UTF-8'; - } - $this->encoding = $encoding; - - // If function is available and able, convert characters to UTF-8, and overwrite $this->encoding - if (function_exists('iconv') && $use_iconv && iconv($encoding, 'UTF-8', $mp_rss)) { - $mp_rss = iconv($encoding, 'UTF-8//TRANSLIT', $mp_rss); - $mp_rss = str_replace ($match[0], 'encoding="UTF-8"', $mp_rss); - $this->encoding = 'UTF-8'; - } - else if (function_exists('mb_convert_encoding') && $use_mbstring) { - $mp_rss = mb_convert_encoding($mp_rss, 'UTF-8', $encoding); - $mp_rss = str_replace ($match[0], 'encoding="UTF-8"', $mp_rss); - $this->encoding = 'UTF-8'; - } - else if (($use_mbstring || $use_iconv) && $utf8_fail) { - $this->encoding = 'UTF-8'; - $mp_rss = str_replace ($match[0], 'encoding="UTF-8"', $mp_rss); - } - $mp_rss = preg_replace('/<(.*)>[\s]*<\!\[CDATA\[/msiU', '<\\1 spencoded="false"><![CDATA[', $mp_rss); // Add an internal attribute to CDATA sections - $mp_rss = str_replace(']] spencoded="false">', ']]>', $mp_rss); // Remove it when we're on the end of a CDATA block (therefore making it ill-formed) - - // If we're RSS - if (preg_match('/<rdf:rdf/i', $mp_rss) || preg_match('/<rss/i', $mp_rss)) { - $sp_elements = array( - 'author', - 'link', - ); - // Or if we're Atom - } else { - $sp_elements = array( - 'content', - 'copyright', - 'name', - 'subtitle', - 'summary', - 'tagline', - 'title', - ); - } - foreach ($sp_elements as $full) { - // The (<\!\[CDATA\[)? never matches any CDATA block, therefore the CDATA gets added, but never replaced - $mp_rss = preg_replace("/<$full(.*)>[\s]*(<\!\[CDATA\[)?(.*)(]]>)?[\s]*<\/$full>/msiU", "<$full\\1><![CDATA[\\3]]></$full>", $mp_rss); - // The following line is a work-around for the above bug - $mp_rss = preg_replace("/<$full(.*)><\!\[CDATA\[[\s]*<\!\[CDATA\[/msiU", "<$full\\1><![CDATA[", $mp_rss); - // Deal with CDATA within CDATA (this can be caused by us inserting CDATA above) - $mp_rss = preg_replace_callback("/<($full)(.*)><!\[CDATA\[(.*)\]\]><\/$full>/msiU", array(&$this, 'cdata_in_cdata'), $mp_rss); - } - - // If XML Dump is enabled, send feed to the page and quit. - if ($this->xml_dump) { - header("Content-type: text/xml; charset=" . $this->encoding); - echo $mp_rss; - exit; - } - - $this->xml = xml_parser_create_ns($this->encoding); - $this->namespaces = array('xml' => 'HTTP://WWW.W3.ORG/XML/1998/NAMESPACE', 'atom' => 'ATOM', 'rss2' => 'RSS', 'rdf' => 'RDF', 'rss1' => 'RSS', 'dc' => 'DC', 'xhtml' => 'XHTML', 'content' => 'CONTENT'); - xml_parser_set_option($this->xml, XML_OPTION_SKIP_WHITE, 1); - xml_set_object($this->xml, $this); - xml_set_character_data_handler($this->xml, 'dataHandler'); - xml_set_element_handler($this->xml, 'startHandler', 'endHandler'); - xml_set_start_namespace_decl_handler($this->xml, 'startNameSpace'); - xml_set_end_namespace_decl_handler($this->xml, 'endNameSpace'); - if (xml_parse($this->xml, $mp_rss)) - { - xml_parser_free($this->xml); - $this->parse_xml_data_array(); - $this->data['feedinfo']['encoding'] = $this->encoding; - if ($this->order_by_date && !empty($this->data['items'])) { - usort($this->data['items'], create_function('$a,$b', 'if ($a->date == $b->date) return 0; return ($a->date < $b->date) ? 1 : -1;')); - } - if ($this->caching && substr($this->rss_url, 0, 7) == 'http://') { - if ($this->is_writeable_createable($cache_filename)) { - $fp = fopen($cache_filename, 'w'); - fwrite($fp, serialize($this->data)); - fclose($fp); - } - else trigger_error("$cache_filename is not writeable", E_USER_WARNING); - } - return true; - } - else - { - $this->sp_error(sprintf('XML error: %s at line %d, column %d', xml_error_string(xml_get_error_code($this->xml)), xml_get_current_line_number($this->xml), xml_get_current_column_number($this->xml)), E_USER_WARNING, __FILE__, __LINE__); - xml_parser_free($this->xml); - $this->data = array(); - return false; - } + function get_links($rel = 'alternate') + { + if ($rel == 'alternate') + { + $links = array(); + if (!empty($this->data['link'][$rel])) + { + $links = $this->data['link'][$rel]; + } + if (!empty($this->data['guid']['data']) && $this->data['guid']['permalink'] == true) + { + $links[] = $this->data['guid']['data']; } + return $links; } - else { + else if (!empty($this->data['link'][$rel])) + { + return $this->data['link'][$rel]; + } + else + { return false; } } - - - - /**************************************************** - SIMPLEPIE ERROR (internal function) - ****************************************************/ - function sp_error($message, $level, $file, $line) { - $this->error = $message; - switch ($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: - $note = 'Unknown Error'; - break; + function get_enclosure($key = 0) + { + $enclosures = $this->get_enclosures(); + if (!empty($enclosures[$key])) + { + return $enclosures[$key]; + } + else + { + return false; } - error_log("$note: $message in $file on line $line", 0); } + function get_enclosures() + { + $enclosures = array(); + $links = $this->get_links('enclosure'); + if (!empty($this->data['enclosures'])) + { + $enclosures = array_merge($enclosures, $this->data['enclosures']); + } + if (!empty($links)) + { + $enclosures = array_merge($enclosures, $links); + } + if (!empty($enclosures)) + { + return array_unique($enclosures); + } + else + { + return false; + } + } + function add_to_blinklist() + { + if ($this->get_permalink()) + { + $url = 'http://www.blinklist.com/index.php?Action=Blink/addblink.php&Description=&Url=' . rawurlencode($this->get_permalink()); + if ($this->get_title()) + { + $url .= '&Title=' . rawurlencode($this->get_title()); + } + return $url; + } + else + { + return false; + } + } + function add_to_blogmarks() + { + if ($this->get_permalink()) + { + $url = 'http://blogmarks.net/my/new.php?mini=1&simple=1&url=' . rawurlencode($this->get_permalink()); + if ($this->get_title()) + { + $url .= '&title=' . rawurlencode($this->get_title()); + } + return $url; + } + else + { + return false; + } + } - /**************************************************** - GET FEED ENCODING - ****************************************************/ - function get_encoding() { - if (isset($this->encoding)) { - return $this->encoding; - } else if (isset($this->data['feedinfo']['encoding'])) { - return $this->data['feedinfo']['encoding']; - } else return false; + function add_to_delicious() + { + if ($this->get_permalink()) + { + $url = 'http://del.icio.us/post/?v=3&url=' . rawurlencode($this->get_permalink()); + if ($this->get_title()) + { + $url .= '&title=' . rawurlencode($this->get_title()); + } + return $url; + } + else + { + return false; + } } - function handle_content_type($mime='text/html') { - if (!headers_sent() && $this->get_encoding()) header('Content-type: ' . $mime . '; charset=' . $this->get_encoding()); + function add_to_digg() + { + if ($this->get_permalink()) + { + return 'http://digg.com/submit?phase=2&URL=' . rawurlencode($this->get_permalink()); + } + else + { + return false; + } } + function add_to_furl() + { + if ($this->get_permalink()) + { + $url = 'http://www.furl.net/storeIt.jsp?u=' . rawurlencode($this->get_permalink()); + if ($this->get_title()) + { + $url .= '&t=' . rawurlencode($this->get_title()); + } + return $url; + } + else + { + return false; + } + } + function add_to_magnolia() + { + if ($this->get_permalink()) + { + $url = 'http://ma.gnolia.com/bookmarklet/add?url=' . rawurlencode($this->get_permalink()); + if ($this->get_title()) + { + $url .= '&title=' . rawurlencode($this->get_title()); + } + return $url; + } + else + { + return false; + } + } + function add_to_myweb20() + { + if ($this->get_permalink()) + { + $url = 'http://myweb2.search.yahoo.com/myresults/bookmarklet?u=' . rawurlencode($this->get_permalink()); + if ($this->get_title()) + { + $url .= '&t=' . rawurlencode($this->get_title()); + } + return $url; + } + else + { + return false; + } + } - /**************************************************** - GET FEED VERSION NUMBER - ****************************************************/ - function get_version() { - if (isset($this->data['feedinfo'])) { - return (isset($this->data['feedinfo']['version'])) ? $this->data[feedinfo][type] . ' ' . $this->data[feedinfo][version] : $this->data['feedinfo']['type']; + function add_to_newsvine() + { + if ($this->get_permalink()) + { + $url = 'http://www.newsvine.com/_wine/save?u=' . rawurlencode($this->get_permalink()); + if ($this->get_title()) + { + $url .= '&h=' . rawurlencode($this->get_title()); + } + return $url; + } + else + { + return false; } - else return false; } + function add_to_reddit() + { + if ($this->get_permalink()) + { + $url = 'http://reddit.com/submit?url=' . rawurlencode($this->get_permalink()); + if ($this->get_title()) + { + $url .= '&title=' . rawurlencode($this->get_title()); + } + return $url; + } + else + { + return false; + } + } + function add_to_segnalo() + { + if ($this->get_permalink()) + { + $url = 'http://segnalo.com/post.html.php?url=' . rawurlencode($this->get_permalink()); + if ($this->get_title()) + { + $url .= '&title=' . rawurlencode($this->get_title()); + } + return $url; + } + else + { + return false; + } + } + function add_to_simpy() + { + if ($this->get_permalink()) + { + $url = 'http://www.simpy.com/simpy/LinkAdd.do?href=' . rawurlencode($this->get_permalink()); + if ($this->get_title()) + { + $url .= '&title=' . rawurlencode($this->get_title()); + } + return $url; + } + else + { + return false; + } + } - /**************************************************** - SUBSCRIPTION URLS - This allows people to subscribe to the feed in various services. - ****************************************************/ - function subscribe_url() { - return (empty($this->rss_url)) ? false : $this->fix_protocol($this->rss_url, 1); + function add_to_smarking() + { + if ($this->get_permalink()) + { + return 'http://smarking.com/editbookmark/?url=' . rawurlencode($this->get_permalink()); + } + else + { + return false; + } } - function subscribe_feed() { - return (empty($this->rss_url)) ? false : $this->fix_protocol($this->rss_url, 2); + function add_to_spurl() + { + if ($this->get_permalink()) + { + $url = 'http://www.spurl.net/spurl.php?v=3&url=' . rawurlencode($this->get_permalink()); + if ($this->get_title()) + { + $url .= '&title=' . rawurlencode($this->get_title()); + } + return $url; + } + else + { + return false; + } } - function subscribe_podcast() { - return (empty($this->rss_url)) ? false : $this->fix_protocol($this->rss_url, 3); + function add_to_wists() + { + if ($this->get_permalink()) + { + $url = 'http://wists.com/r.php?c=&r=' . rawurlencode($this->get_permalink()); + if ($this->get_title()) + { + $url .= '&title=' . rawurlencode($this->get_title()); + } + return $url; + } + else + { + return false; + } } - function subscribe_aol() { - return (empty($this->rss_url)) ? false : 'http://feeds.my.aol.com/add.jsp?url=' . rawurlencode($this->subscribe_url()); + function search_technorati() + { + if ($this->get_permalink()) + { + return 'http://www.technorati.com/search/' . rawurlencode($this->get_permalink()); + } + else + { + return false; + } } +} - function subscribe_bloglines() { - return (empty($this->rss_url)) ? false : 'http://www.bloglines.com/sub/' . rawurlencode($this->subscribe_url()); +class SimplePie_Author +{ + var $name; + var $link; + var $email; + + // Constructor, used to input the data + function SimplePie_Author($name, $link, $email) + { + $this->name = $name; + $this->link = $link; + $this->email = $email; } - function subscribe_google() { - return (empty($this->rss_url)) ? false : 'http://fusion.google.com/add?feedurl=' . rawurlencode($this->subscribe_url()); + function get_name() + { + if (!empty($this->name)) + { + return $this->name; + } + else + { + return false; + } } - function subscribe_msn() { - return (empty($this->rss_url)) ? false : 'http://my.msn.com/addtomymsn.armx?id=rss&ut=' . rawurlencode($this->subscribe_url()) . '&ru=' . rawurlencode($this->get_feed_link()); + function get_link() + { + if (!empty($this->link)) + { + return $this->link; + } + else + { + return false; + } } - function subscribe_netvibes() { - return (empty($this->rss_url)) ? false : 'http://www.netvibes.com/subscribe.php?url=' . rawurlencode($this->subscribe_url()); + function get_email() + { + if (!empty($this->email)) + { + return $this->email; + } + else + { + return false; + } } +} + +class SimplePie_Enclosure +{ + var $link; + var $type; + var $length; - function subscribe_newsburst() { - return (empty($this->rss_url)) ? false : 'http://www.newsburst.com/Source/?add=' . rawurlencode($this->subscribe_url()); + // Constructor, used to input the data + function SimplePie_Enclosure($link, $type, $length) + { + $this->link = $link; + $this->type = $type; + $this->length = $length; } - function subscribe_newsgator() { - return (empty($this->rss_url)) ? false : 'http://www.newsgator.com/ngs/subscriber/subext.aspx?url=' . rawurlencode($this->subscribe_url()); + function get_link() + { + if (!empty($this->link)) + { + if (class_exists('idna_convert')) + { + $idn = new idna_convert; + $this->link = $idn->encode($this->link); + } + return $this->link; + } + else + { + return false; + } } - function subscribe_odeo() { - return (empty($this->rss_url)) ? false : 'http://www.odeo.com/listen/subscribe?feed=' . rawurlencode($this->subscribe_url()); + function get_extension() + { + if (!empty($this->link)) + { + return pathinfo($this->link, PATHINFO_EXTENSION); + } + else + { + return false; + } } - function subscribe_pluck() { - return (empty($this->rss_url)) ? false : 'http://client.pluck.com/pluckit/prompt.aspx?GCID=C12286x053&a=' . rawurlencode($this->subscribe_url()); + function get_type() + { + if (!empty($this->type)) + { + return $this->type; + } + else + { + return false; + } } - function subscribe_podnova() { - return (empty($this->rss_url)) ? false : 'http://www.podnova.com/index_your_podcasts.srf?action=add&url=' . rawurlencode($this->subscribe_url()); + function get_length() + { + if (!empty($this->length)) + { + return $this->length; + } + else + { + return false; + } } - function subscribe_rojo() { - return (empty($this->rss_url)) ? false : 'http://www.rojo.com/add-subscription?resource=' . rawurlencode($this->subscribe_url()); + function get_size() + { + $length = $this->get_length(); + if (!empty($length)) + { + return round($length/1048576, 2); + } + else + { + return false; + } } - function subscribe_yahoo() { - return (empty($this->rss_url)) ? false : 'http://add.my.yahoo.com/rss?url=' . rawurlencode($this->subscribe_url()); + function native_embed($options='') + { + return $this->embed($options, true); } + function embed($options = '', $native = false) + { + // Set up defaults + $audio = ''; + $video = ''; + $alt = ''; + $altclass = ''; + $loop = 'false'; + $width = 'auto'; + $height = 'auto'; + $bgcolor = '#ffffff'; + // Process options and reassign values as necessary + if (is_array($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 = $opt[1]; + break; - /**************************************************** - PARSE OUT GENERAL FEED-RELATED DATA - ****************************************************/ - // Reads the feed's title - function get_feed_title() { - return (isset($this->data['info']['title'])) ? $this->data['info']['title'] : false; - } + case 'alt': + $alt = $opt[1]; + break; - // Reads the feed's link (URL) - function get_feed_link() { - return (isset($this->data['info']['link'][0])) ? $this->data['info']['link'][0] : false; - } + case 'altclass': + $altclass = $opt[1]; + break; - // Reads the feed's link (URL) - function get_feed_links($key) { - return (isset($this->data['info']['link'][$key])) ? $this->data['info']['link'][$key] : false; - } + case 'loop': + $loop = $opt[1]; + break; - // Reads the feed's description - function get_feed_description() { - return (isset($this->data['info']['description'])) ? $this->data['info']['description'] : false; - } + case 'width': + $width = $opt[1]; + break; - // Reads the feed's copyright information. - function get_feed_copyright() { - return (isset($this->data['info']['copyright'])) ? $this->data['info']['copyright'] : false; - } + case 'height': + $height = $opt[1]; + break; - // Reads the feed's language - function get_feed_language() { - return (isset($this->data['info']['language'])) ? $this->data['info']['language'] : false; - } + case 'bgcolor': + $bgcolor = $opt[1]; + break; + } + } + } + } + $type = strtolower($this->get_type()); + + // If we encounter an unsupported mime-type, check the file extension and guess intelligently. + if (!in_array($type, array('audio/3gpp', 'audio/3gpp2', 'audio/aac', 'audio/x-aac', 'audio/aiff', 'audio/x-aiff', 'audio/mid', 'audio/midi', 'audio/x-midi', 'audio/mpeg', 'audio/x-mpeg', 'audio/mp3', 'x-audio/mp3', 'audio/mp4', 'audio/m4a', 'audio/x-m4a', 'audio/wav', 'audio/x-wav', 'video/3gpp', 'video/3gpp2', 'video/m4v', 'video/x-m4v', 'video/mp4', 'video/mpeg', 'video/x-mpeg', 'video/quicktime', 'video/sd-video', 'application/x-shockwave-flash', 'application/futuresplash', 'application/asx', 'application/x-mplayer2', 'audio/x-ms-wma', 'audio/x-ms-wax', 'video/x-ms-asf-plugin', 'video/x-ms-asf', 'video/x-ms-wm', 'video/x-ms-wmv', 'video/x-ms-wvx'))) + { + switch (strtolower($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': + $type = 'audio/wav'; + break; - /**************************************************** - PARSE OUT IMAGE-RELATED DATA - Apparently Atom doesn't have feed images. - ****************************************************/ - // Check if an image element exists (returns true/false) - function get_image_exist() { - return (isset($this->data['info']['image']['url'])) ? true : false; - } + case 'kar': + case 'mid': + case 'midi': + case 'smf': + $type = 'audio/midi'; + break; - // Get the image title (to be used in alt and/or title) - function get_image_title() { - return (isset($this->data['info']['image']['title'])) ? $this->data['info']['image']['title'] : false; - } + case 'm4a': + $type = 'audio/x-m4a'; + break; - // The path to the actual image - function get_image_url() { - return (isset($this->data['info']['image']['url'])) ? $this->data['info']['image']['url'] : false; - } + case 'mp3': + case 'swa': + $type = 'audio/mp3'; + break; - // The URL that the image is supposed to link to. - function get_image_link() { - return (isset($this->data['info']['image']['link'])) ? $this->data['info']['image']['link'] : false; - } + case 'wav': + $type = 'audio/wav'; + break; - // Get the image width - function get_image_width() { - return (isset($this->data['info']['image']['width'])) ? $this->data['info']['image']['width'] : false; - } + case 'wax': + $type = 'audio/x-ms-wax'; + break; - // Get the image height - function get_image_height() { - return (isset($this->data['info']['image']['height'])) ? $this->data['info']['image']['height'] : false; - } + 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': + $type = 'video/x-ms-asf'; + break; - /**************************************************** - PARSE OUT ITEM-RELATED DATA - ****************************************************/ - // Get the size of the array of items (for use in a for-loop) - function get_item_quantity($max=0) { - $qty = (isset($this->data['items'])) ? sizeof($this->data['items']) : 0; - if ($max != 0) return ($qty > $max) ? $max : $qty; - else return $qty; - } + case 'm1a': + case 'm1s': + case 'm1v': + case 'm15': + case 'm75': + case 'mp2': + case 'mpa': + case 'mpeg': + case 'mpg': + case 'mpm': + case 'mpv': + $type = 'video/mpeg'; + break; - function get_item($key) { - return $this->data['items'][$key]; - } + case 'm4v': + $type = 'video/x-m4v'; + break; - function get_items($start = 0, $end = 0) { - return ($end == 0) ? array_slice($this->data['items'], $start) : array_slice($this->data['items'], $start, $end); - } + 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; - /**************************************************** - FIX PROTOCOL - Convert feed:// and no-protocol URL's to http:// - Feed is allowed to have no protocol. Local files are toggled in init(). - This is an internal function and is not intended to be used publically. + case 'wmv': + $type = 'video/x-ms-wmv'; + break; - $http=1, http://www.domain.com/feed.xml (absolute) - $http=2, feed://www.domain.com/feed.xml (absolute) - $http=3, podcast://www.domain.com/feed.xml (absolute) - ****************************************************/ - function fix_protocol($mp_feed_proto, $http = 1) { - $url = $mp_feed_proto; + case 'wvx': + $type = 'video/x-ms-wvx'; + break; - $url = preg_replace('/feed:(\/\/)?(http:\/\/)?/i', 'http://', $url); - $url = preg_replace('/(feed:)?(\/\/)?https:\/\//i', 'https://', $url); - $url = preg_replace('/p(od)?cast:(\/\/)?(http:\/\/)?/i', 'http://', $url); - $url = preg_replace('/(p(od)?cast:)?(\/\/)?https:\/\//i', 'https://', $url); - if (!stristr($url, 'http://') && !stristr($url, 'https://') && !file_exists($url)) $url = "http://$url"; + // Flash mime-types + case 'spl': + $type = 'application/futuresplash'; + break; - if ($http == 1) return $url; - else if ($http == 2) { - if (strstr($url, 'http://')) { - $url = substr_replace($url, 'feed', 0, 4); - return $url; + case 'swf': + $type = 'application/x-shockwave-flash'; + break; } - else return $url; } - else if ($http == 3) { - if (strstr($url, 'http://')) { - $url = substr_replace($url, 'podcast', 0, 4); - return $url; + + $mime = explode('/', $type, 2); + $mime = $mime[0]; + + // Process values for 'auto' + if ($width == 'auto') + { + if ($mime == 'video') + { + $width = '320'; + } + else + { + $width = '100%'; + } + } + if ($height == 'auto') + { + if ($mime == 'audio') + { + $height = 0; + } + else if ($mime == 'video') + { + $height = 240; + } + else + { + $height = 256; } - else return $url; } - } + // Set proper placeholder value + if ($mime == 'audio') + { + $placeholder = $audio; + } + else if ($mime == 'video') + { + $placeholder = $video; + } + $embed = ''; + // Make sure the JS library is included + // (I know it'll be included multiple times, but I can't think of a better way to do this automatically) + if (!$native) + { + $embed .= '<script type="text/javascript" src="?js"></script>'; + } - /**************************************************** - ULTRA-LIBERAL FEED LOCATOR - Based upon http://diveintomark.org/archives/2002/08/15/ultraliberal_rss_locator - This function enables support for RSS auto-discovery-on-crack. - ****************************************************/ - function rss_locator($data, $url) { + // Odeo Feed MP3's + if (substr(strtolower($this->get_link()), 0, 15) == 'http://odeo.com') { + if ($native) + { + $embed .= '<embed src="http://odeo.com/flash/audio_player_fullsize.swf" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" quality="high" width="440" height="80" wmode="transparent" allowScriptAccess="any" flashvars="valid_sample_rate=true&external_url=' . $this->get_link() . '"></embed>'; + } + else + { + $embed .= '<script type="text/javascript">embed_odeo("' . $this->get_link() . '");</script>'; + } + } - $this->url = $url; - $this->parsed_url = parse_url($url); - if (!isset($this->parsed_url['path'])) { - $this->parsed_url['path'] = '/'; + // QuickTime 7 file types. Need to test with QuickTime 6. + else if (in_array($type, array('audio/3gpp', 'audio/3gpp2', 'audio/aac', 'audio/x-aac', 'audio/aiff', 'audio/x-aiff', 'audio/mid', 'audio/midi', 'audio/x-midi', 'audio/mpeg', 'audio/x-mpeg', 'audio/mp3', 'x-audio/mp3', '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'))) + { + $height += 16; + if ($native) + { + if ($placeholder != "") { + $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" href=\"" . $this->get_link() . "\" src=\"$placeholder\" width=\"$width\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"false\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://www.apple.com/quicktime/download/\"></embed>"; + } + else { + $embed .= "<embed type=\"$type\" style=\"cursor:hand; cursor:pointer;\" src=\"" . $this->get_link() . "\" width=\"$width+\" height=\"$height\" autoplay=\"false\" target=\"myself\" controller=\"true\" loop=\"$loop\" scale=\"aspect\" bgcolor=\"$bgcolor\" pluginspage=\"http://www.apple.com/quicktime/download/\"></embed>"; + } + } + else + { + $embed .= "<script type='text/javascript'>embed_quicktime('$type', '$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$placeholder', '$loop');</script>"; + } } - // Check is the URL we're given is a feed - if ($this->is_feed($data, false)) { - return $url; + // Flash + else if (in_array($type, array('application/x-shockwave-flash', 'application/futuresplash'))) + { + if ($native) + { + $embed .= "<embed src=\"" . $this->get_link() . "\" pluginspage=\"http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash\" type=\"$type\" quality=\"high\" width=\"$width\" height=\"$height\" bgcolor=\"$bgcolor\" loop=\"$loop\"></embed>"; + } + else + { + $embed .= "<script type='text/javascript'>embed_flash('$bgcolor', '$width', '$height', '" . $this->get_link() . "', '$loop', '$type');</script>"; + } } - // Feeds pointed to by LINK tags in the header of the page (autodiscovery) - $stage1 = $this->check_link_elements($data); - if ($stage1) { - return $stage1; + // Windows Media + else if (in_array($type, 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'))) + { + $height += 45; + if ($native) + { + $embed .= "<embed type=\"application/x-mplayer2\" src=\"" . $this->get_link() . "\" autosize=\"1\" width=\"$width\" height=\"$height\" showcontrols=\"1\" showstatusbar=\"0\" showdisplay=\"0\" autostart=\"0\"></embed>"; + } + else + { + $embed .= "<script type='text/javascript'>embed_wmedia('$width', '$height', '" . $this->get_link() . "');</script>"; + } } - // Grab all the links in the page, and put them into two arrays (local, and external) - if ($this->get_links($data)) { + // Everything else + else $embed .= '<a href="' . $this->get_link() . '" class="' . $altclass . '">' . $alt . '</a>'; + + return $embed; + } +} - // <A> links to feeds on the same server ending in ".rss", ".rdf", ".xml", or ".atom" - $stage2 = $this->check_link_extension($this->local); - if ($stage2) { - return $stage2; +class SimplePie_File +{ + var $url; + var $useragent; + var $success = true; + var $headers = array(); + var $body; + var $fp; + var $redirects = 0; + var $error; + var $method; + + function SimplePie_File($url, $timeout = 10, $redirects = 5, $headers = null, $useragent = null, $force_fsockopen = false) + { + if (class_exists('idna_convert')) + { + $idn = new idna_convert; + $url = $idn->encode($url); + } + $this->url = $url; + $this->useragent = $useragent; + if (preg_match('/^http(s)?:\/\//i', $url)) + { + if (empty($useragent)) + { + $useragent = ini_get('user_agent'); + $this->useragent = $useragent; } - - // <A> links to feeds on the same server containing "rss", "rdf", "xml", or "atom" - $stage3 = $this->check_link_body($this->local); - if ($stage3) { - return $stage3; + if (!is_array($headers)) + { + $headers = array(); } + if (extension_loaded('curl') && version_compare(SimplePie_Misc::get_curl_version(), '7.10.5', '>=') && !$force_fsockopen) + { + $this->method = 'curl'; + $fp = curl_init(); + $headers2 = array(); + foreach ($headers as $key => $value) + { + $headers2[] = "$key: $value"; + } + curl_setopt($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_REFERER, $url); + curl_setopt($fp, CURLOPT_USERAGENT, $useragent); + curl_setopt($fp, CURLOPT_HTTPHEADER, $headers2); + if (!ini_get('open_basedir') && !ini_get('safe_mode')) + { + curl_setopt($fp, CURLOPT_FOLLOWLOCATION, 1); + curl_setopt($fp, CURLOPT_MAXREDIRS, $redirects); + } - // <A> links to feeds on external servers ending in ".rss", ".rdf", ".xml", or ".atom" - $stage4 = $this->check_link_extension($this->elsewhere); - if ($stage4) { - return $stage4; + $this->headers = trim(curl_exec($fp)); + if (curl_errno($fp) == 23 || curl_errno($fp) == 61) + { + curl_setopt($fp, CURLOPT_ENCODING, 'none'); + $this->headers = trim(curl_exec($fp)); + } + if (curl_errno($fp)) + { + $this->error = 'cURL error ' . curl_errno($fp) . ': ' . curl_error($fp); + $this->success = false; + return false; + } + $info = curl_getinfo($fp); + $this->headers = explode("\r\n\r\n", $this->headers, $info['redirect_count'] + 2); + if (count($this->headers) == $info['redirect_count'] + 1) + { + $this->headers = array_pop($this->headers); + $this->body = ''; + } + else + { + $this->body = array_pop($this->headers); + $this->headers = array_pop($this->headers); + } + $this->headers = $this->parse_headers($this->headers); + if (($this->headers['status']['code'] == 301 || $this->headers['status']['code'] == 302 || $this->headers['status']['code'] == 303 || $this->headers['status']['code'] == 307) && !empty($this->headers['location']) && $this->redirects < $redirects) + { + $this->redirects++; + return $this->SimplePie_File($this->headers['location'], $timeout, $redirects, $headers, $useragent, $force_fsockopen); + } } + else + { + $this->method = '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; + } + $this->fp = fsockopen($url_parts['host'], $url_parts['port'], $errno, $errstr, $timeout); + if (!$this->fp) + { + $this->error = 'fsockopen error: ' . $errstr; + $this->success = false; + return false; + } + else + { + stream_set_timeout($this->fp, $timeout); + $get = (isset($url_parts['query'])) ? "$url_parts[path]?$url_parts[query]" : $url_parts['path']; + $out = "GET $get HTTP/1.0\r\n"; + $out .= "Host: $url_parts[host]\r\n"; + $out .= "User-Agent: $useragent\r\n"; + if (function_exists('gzinflate')) + { + $out .= "Accept-Encoding: gzip,deflate\r\n"; + } + + if (!empty($url_parts['user']) && !empty($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"; + } + $out .= "Connection: Close\r\n\r\n"; + fwrite($this->fp, $out); - // <A> links to feeds on external servers containing "rss", "rdf", "xml", or "atom" - $stage5 = $this->check_link_body($this->elsewhere); - if ($stage5) { - return $stage5; + $info = stream_get_meta_data($this->fp); + $data = ''; + while (strpos($data, "\r\n\r\n") === false && !$info['timed_out']) + { + $data .= fgets($this->fp, 128); + $info = stream_get_meta_data($this->fp); + } + if (!$info['timed_out']) + { + $this->headers = $this->parse_headers($data); + if (($this->headers['status']['code'] == 301 || $this->headers['status']['code'] == 302 || $this->headers['status']['code'] == 303 || $this->headers['status']['code'] == 307) && !empty($this->headers['location']) && $this->redirects < $redirects) + { + $this->redirects++; + return $this->SimplePie_File($this->headers['location'], $timeout, $redirects, $headers, $useragent, $force_fsockopen); + } + } + else + { + $this->close(); + $this->error = 'fsocket timed out'; + $this->success = false; + return false; + } + } + } + return $this->headers['status']['code']; + } + else + { + $this->method = 'fopen'; + if ($this->fp = fopen($url, 'r')) + { + return true; + } + else + { + $this->error = 'fopen could not open the file'; + $this->success = false; + return false; } } + } - return false; + function headers() + { + return $this->headers; } - function check_link_elements($data) { - if (preg_match_all('/<link (.*)>/siU', $data, $matches)) { - foreach($matches[1] as $match) { - if (preg_match('/type=[\'|"]?(application\/rss\+xml|application\/atom\+xml|application\/rdf\+xml|application\/xml\+rss|application\/xml\+atom|application\/xml\+rdf|application\/xml|application\/x\.atom\+xml|text\/xml)[\'|"]?/iU', $match, $type)) { - $href = $this->get_attribute($match, 'href'); - if (!empty($href[1])) { - $href = $this->absolutize_url($href[1], $this->parsed_url); - if ($this->is_feed($href)) { - return $href; + function body() + { + if (is_null($this->body)) + { + if ($this->fp) + { + $info = stream_get_meta_data($this->fp); + $this->body = ''; + while (!$info['eof'] && !$info['timed_out']) + { + $this->body .= fread($this->fp, 1024); + $info = stream_get_meta_data($this->fp); + } + if (!$info['timed_out']) + { + $this->body = trim($this->body); + if ($this->method == 'fsockopen' && !empty($this->headers['content-encoding']) && ($this->headers['content-encoding'] == 'gzip' || $this->headers['content-encoding'] == 'deflate')) + { + if (substr($this->body, 0, 8) == "\x1f\x8b\x08\x00\x00\x00\x00\x00") + { + $this->body = substr($this->body, 10); } + $this->body = gzinflate($this->body); } + $this->close(); + } + else + { + return false; } } - } else return false; + else + { + return false; + } + } + return $this->body; } - function check_link_extension($array) { - foreach ($array as $value) { - $parsed = @parse_url($value); - if (isset($parsed['path'])) { - $ext = strtolower(pathinfo($parsed['path'], PATHINFO_EXTENSION)); - if (($ext == 'rss' || $ext == 'rdf' || $ext == 'xml' || $ext == 'atom') && $this->is_feed($value)) { - return $this->absolutize_url($value, $this->parsed_url); - } + function close() + { + if (!is_null($this->fp)) + { + if (fclose($this->fp)) + { + $this->fp = null; + return true; + } + else + { + return false; } } - return false; + else + { + return false; + } } - function check_link_body($array) { - foreach ($array as $value) { - $value2 = @parse_url($value); - if (!empty($value2['path'])) { - if (strlen(pathinfo($value2['path'], PATHINFO_EXTENSION)) > 0) { - $value3 = substr_replace($value, '', strpos($value, $value2['path'])+strpos($value2['path'], pathinfo($value2['path'], PATHINFO_EXTENSION))-1, strlen(pathinfo($value2['path'], PATHINFO_EXTENSION))+1); - } else { - $value3 = $value; - } - if ((stristr($value3, 'rss') || stristr($value3, 'rdf') || stristr($value3, 'xml') || stristr($value3, 'atom') || stristr($value3, 'feed')) && $this->is_feed($value)) { - return $this->absolutize_url($value, $this->parsed_url); - } + function parse_headers($headers) + { + $headers = explode("\r\n", trim($headers)); + $status = array_shift($headers); + foreach ($headers as $header) + { + $data = explode(':', $header, 2); + $head[strtolower(trim($data[0]))] = trim($data[1]); + } + if (preg_match('/HTTP\/[0-9\.]+ ([0-9]+)(.*)$/i', $status, $matches)) + { + if (isset($head['status'])) + { + unset($head['status']); + } + $head['status']['code'] = $matches[1]; + $head['status']['name'] = trim($matches[2]); + } + return $head; + } +} + +class SimplePie_Cache +{ + var $location; + var $filename; + var $extension; + var $name; + + function SimplePie_Cache($location, $filename, $extension) + { + $this->location = $location; + $this->filename = rawurlencode($filename); + $this->extension = rawurlencode($extension); + $this->name = "$location/$this->filename.$this->extension"; + } + + function save($data) + { + if (file_exists($this->name) && is_writeable($this->name) || file_exists($this->location) && is_writeable($this->location)) + { + $fp = fopen($this->name, 'w'); + if ($fp) + { + fwrite($fp, serialize($data)); + fclose($fp); + return true; } } return false; } - function get_links($data) { - if (preg_match_all('/href="(.*)"/iU', $data, $matches)) { - $this->parse_links($matches); + function load() + { + if (file_exists($this->name) && is_readable($this->name)) + { + return unserialize(file_get_contents($this->name)); } - if (preg_match_all('/href=\'(.*)\'/iU', $data, $matches)) { - $this->parse_links($matches); + return false; + } + + function mtime() + { + if (file_exists($this->name)) + { + return filemtime($this->name); + } + return false; + } + + function touch() + { + if (file_exists($this->name)) + { + return touch($this->name); } - if (preg_match_all('/href=(.*)[ |\/|>]/iU', $data, $matches)) { - foreach ($matches[1] as $key => $value) { - if (substr($value, 0, 1) == '"' || substr($value, 0, 1) == "'") { - unset($matches[1][$key]); + return false; + } + + function unlink() + { + if (file_exists($this->name)) + { + return unlink($this->name); + } + return false; + } +} + +class SimplePie_Misc +{ + function absolutize_url($relative, $base) + { + $relative = trim($relative); + $base = trim($base); + if (!empty($relative)) + { + $relative = SimplePie_Misc::parse_url($relative, false); + $relative = array('scheme' => $relative[2], 'authority' => $relative[3], 'path' => $relative[5], 'query' => $relative[7], 'fragment' => $relative[9]); + if (!empty($relative['scheme'])) + { + $target = $relative; + } + else if (!empty($base)) + { + $base = SimplePie_Misc::parse_url($base, false); + $base = array('scheme' => $base[2], 'authority' => $base[3], 'path' => $base[5], 'query' => $base[7], 'fragment' => $base[9]); + $target['scheme'] = $base['scheme']; + if (!empty($relative['authority'])) + { + $target = array_merge($relative, $target); + } + else + { + $target['authority'] = $base['authority']; + if (!empty($relative['path'])) + { + if (strpos($relative['path'], '/') === 0) + { + $target['path'] = $relative['path']; + } + else + { + if (!empty($base['path'])) + { + $target['path'] = dirname("$base[path].") . '/' . $relative['path']; + } + else + { + $target['path'] = '/' . $relative['path']; + } + } + if (!empty($relative['query'])) + { + $target['query'] = $relative['query']; + } + $input = $target['path']; + $target['path'] = ''; + while (!empty($input)) + { + if (strpos($input, '../') === 0) + { + $input = substr($input, 3); + } + else if (strpos($input, './') === 0) + { + $input = substr($input, 2); + } + else if (strpos($input, '/./') === 0) + { + $input = substr_replace($input, '/', 0, 3); + } + else if (strpos($input, '/.') === 0 && SimplePie_Misc::strendpos($input, '/.') === 0) + { + $input = substr_replace($input, '/', -2); + } + else if (strpos($input, '/../') === 0) + { + $input = substr_replace($input, '/', 0, 4); + $target['path'] = preg_replace('/(\/)?([^\/]+)$/msiU', '', $target['path']); + } + else if (strpos($input, '/..') === 0 && SimplePie_Misc::strendpos($input, '/..') === 0) + { + $input = substr_replace($input, '/', 0, 3); + $target['path'] = preg_replace('/(\/)?([^\/]+)$/msiU', '', $target['path']); + } + else if ($input == '.' || $input == '..') + { + $input = ''; + } + else + { + if (preg_match('/^(.+)(\/|$)/msiU', $input, $match)) + { + $target['path'] .= $match[1]; + $input = substr_replace($input, '', 0, strlen($match[1])); + } + } + } + } + else + { + if (!empty($base['path'])) + { + $target['path'] = $base['path']; + } + else + { + $target['path'] = '/'; + } + if (!empty($relative['query'])) + { + $target['query'] = $relative['query']; + } + else if (!empty($base['query'])) + { + $target['query'] = $base['query']; + } + } + } + if (!empty($relative['fragment'])) + { + $target['fragment'] = $relative['fragment']; } } - $this->parse_links($matches); + else + { + return false; + } + $return = ''; + if (!empty($target['scheme'])) + { + $return .= "$target[scheme]:"; + } + if (!empty($target['authority'])) + { + $return .= $target['authority']; + } + if (!empty($target['path'])) + { + $return .= $target['path']; + } + if (!empty($target['query'])) + { + $return .= "?$target[query]"; + } + if (!empty($target['fragment'])) + { + $return .= "#$target[fragment]"; + } } - if (!empty($this->local) || !empty($this->elsewhere)) { - $this->local = array_unique($this->local); - $this->elsewhere = array_unique($this->elsewhere); - return true; - } else return false; + else + { + $return = $base; + } + return $return; } - function parse_links($matches) { - foreach ($matches[1] as $match) { - if (strtolower(substr($match, 0, 11)) != 'javascript:') { - $parsed = @parse_url($match); - if (!isset($parsed['host']) || $parsed['host'] == $this->parsed_url['host']) { - $this->local[] = $this->absolutize_url($match, $this->parsed_url); - } else { - $this->elsewhere[] = $this->absolutize_url($match, $this->parsed_url); + function strendpos($haystack, $needle) + { + return strlen($haystack) - strpos($haystack, $needle) - strlen($needle); + } + + function get_element($realname, $string) + { + $return = array(); + $name = preg_quote($realname, '/'); + preg_match_all("/<($name)((\s*((\w+:)?\w+)\s*=\s*(\"([^\"]*)\"|'([^']*)'|(.*)))*)\s*((\/)?>|>(.*)<\/$name>)/msiU", $string, $matches, PREG_SET_ORDER); + for ($i = 0; $i < count($matches); $i++) + { + $return[$i]['tag'] = $realname; + $return[$i]['full'] = $matches[$i][0]; + if (strlen($matches[$i][10]) <= 2) + { + $return[$i]['self_closing'] = true; + } + else + { + $return[$i]['self_closing'] = false; + $return[$i]['content'] = $matches[$i][12]; + } + $return[$i]['attribs'] = array(); + if (!empty($matches[$i][2])) + { + preg_match_all('/((\w+:)?\w+)\s*=\s*("([^"]*)"|\'([^\']*)\'|(\S+))\s/msiU', ' ' . $matches[$i][2] . ' ', $attribs, PREG_SET_ORDER); + for ($j = 0; $j < count($attribs); $j++) + { + $return[$i]['attribs'][strtoupper($attribs[$j][1])]['data'] = $attribs[$j][count($attribs[$j])-1]; + $first = substr($attribs[$j][2], 0, 1); + $return[$i]['attribs'][strtoupper($attribs[$j][1])]['split'] = ($first == '"' || $first == "'") ? $first : '"'; } } } + return $return; } - function is_feed($data, $is_url = true) { - if ($is_url) { - $data = $this->get_file($data); + function element_implode($element) + { + $full = "<$element[tag]"; + foreach ($element['attribs'] as $key => $value) + { + $key = strtolower($key); + $full .= " $key=$value[split]$value[data]$value[split]"; } - if (stristr($data, '<!DOCTYPE HTML')) { - return false; + if ($element['self_closing']) + { + $full .= ' />'; } - else if (stristr($data, '<rss') || stristr($data, '<rdf:RDF') || preg_match('/<([a-z0-9]+\:)?feed/mi', $data)) { - return true; - } else { + else + { + $full .= ">$element[content]</$element[tag]>"; + } + return $full; + } + + function error($message, $level, $file, $line) + { + switch ($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: + $note = 'Unknown Error'; + break; + } + error_log("$note: $message in $file on line $line", 0); + return $message; + } + + function display_file($url, $timeout = 10, $useragent = null) + { + $file = new SimplePie_File($url, $timeout, 5, array('X-FORWARDED-FOR' => $_SERVER['REMOTE_ADDR']), $useragent); + $headers = $file->headers(); + if ($file->body() !== false) + { + header('Content-type: ' . $headers['content-type']); + echo $file->body(); + exit; + } + } + + function fix_protocol($url, $http = 1) + { + $parsed = SimplePie_Misc::parse_url($url); + if (!empty($parsed['scheme']) && strtolower($parsed['scheme']) != 'http' && strtolower($parsed['scheme']) != 'https') + { + return SimplePie_Misc::fix_protocol("$parsed[authority]$parsed[path]$parsed[query]$parsed[fragment]", $http); + } + if (!file_exists($url) && empty($parsed['scheme'])) + { + return SimplePie_Misc::fix_protocol("http://$url", $http); + } + + if ($http == 2 && !empty($parsed['scheme'])) + { + return "feed:$url"; + } + else if ($http == 3 && strtolower($parsed['scheme']) == 'http') + { + return substr_replace($url, 'podcast', 0, 4); + } + else + { + return $url; + } + } + + function parse_url($url, $parse_match = true) + { + preg_match('/^(([^:\/?#]+):)?(\/\/([^\/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?/i', $url, $match); + if (empty($match[0])) + { return false; } + else + { + for ($i = 6; $i < 10; $i++) + { + if (!isset($match[$i])) + { + $match[$i] = ''; + } + } + if ($parse_match) + { + $match = array('scheme' => $match[2], 'authority' => $match[4], 'path' => $match[5], 'query' => $match[6], 'fragment' => $match[8]); + } + return $match; + } + } + + /** + * Replace bad bytes + * + * PCRE Pattern to locate bad bytes in a UTF-8 string + * Comes from W3 FAQ: Multilingual Forms + * Note: modified to include full ASCII range including control chars + * + * Modified by Geoffrey Sneddon 2006-11-19 to remove functionality + * to choose what the replace string is, and to use a variable for + * the output instead of PHP's output buffer + */ + function utf8_bad_replace($str) + { + $UTF8_BAD = + '([\x00-\x7F]' . # ASCII (including control chars) + '|[\xC2-\xDF][\x80-\xBF]' . # non-overlong 2-byte + '|\xE0[\xA0-\xBF][\x80-\xBF]' . # excluding overlongs + '|[\xE1-\xEC\xEE\xEF][\x80-\xBF]{2}' . # straight 3-byte + '|\xED[\x80-\x9F][\x80-\xBF]' . # excluding surrogates + '|\xF0[\x90-\xBF][\x80-\xBF]{2}' . # planes 1-3 + '|[\xF1-\xF3][\x80-\xBF]{3}' . # planes 4-15 + '|\xF4[\x80-\x8F][\x80-\xBF]{2}' . # plane 16 + '|(.{1}))'; # invalid byte + $output = ''; + while (preg_match('/' . $UTF8_BAD . '/S', $str, $matches)) + { + if (!isset($matches[2])) + { + $output .= $matches[0]; + } + $str = substr($str, strlen($matches[0])); + } + return $output; } - function absolutize_url($href, $location) { - @$href_parts = parse_url($href); - if (!empty($href_parts['scheme'])) { - return $href; - } else { - if (isset($location['host'])) { - $full_url = $location['scheme'] . '://' . $location['host']; - } else { - $full_url = ''; + function change_encoding($data, $input, $output) + { + $input = SimplePie_Misc::encoding($input); + $output = SimplePie_Misc::encoding($output); + + if ($input != $output) + { + if (function_exists('iconv') && $input['use_iconv'] && $output['use_iconv'] && iconv($input['encoding'], "$output[encoding]//TRANSLIT", $data)) + { + return iconv($input['encoding'], "$output[encoding]//TRANSLIT", $data); } - if (isset($location['port'])) { - $full_url .= ':' . $location['port']; + else if (function_exists('iconv') && $input['use_iconv'] && $output['use_iconv'] && iconv($input['encoding'], $output['encoding'], $data)) + { + return iconv($input['encoding'], $output['encoding'], $data); } - if (!empty($href_parts['path'])) { - if (substr($href_parts['path'], 0, 1) == '/') { - $full_url .= $href_parts['path']; - } else if (!empty($location['path'])) { - $full_url .= dirname($location['path'] . 'a') . '/' . $href_parts['path']; - } else { - $full_url .= $href_parts['path']; - } - } else if (!empty($location['path'])) { - $full_url .= $location['path']; - } else { - $full_url .= '/'; + else if (function_exists('mb_convert_encoding') && $input['use_mbstring'] && $output['use_mbstring']) + { + return mb_convert_encoding($data, $output['encoding'], $input['encoding']); } - if (!empty($href_parts['query'])) { - $full_url .= '?' . $href_parts['query']; - } else if (!empty($location['query'])) { - $full_url .= '?' . $location['query']; + else if ($input['encoding'] == 'ISO-8859-1' && $output['encoding'] == 'UTF-8') + { + return utf8_encode($data); } - if (!empty($href_parts['fragment'])) { - $full_url .= '#' . $href_parts['fragment']; - } else if (!empty($location['fragment'])) { - $full_url .= '#' . $location['fragment']; + else if ($input['encoding'] == 'UTF-8' && $output['encoding'] == 'ISO-8859-1') + { + return utf8_decode($data); } - return $full_url; } + return $data; } + function encoding($encoding) + { + $return['use_mbstring'] = false; + $return['use_iconv'] = false; + switch (strtolower($encoding)) + { + + // 7bit + case '7bit': + case '7-bit': + $return['encoding'] = '7bit'; + $return['use_mbstring'] = true; + break; + // 8bit + case '8bit': + case '8-bit': + $return['encoding'] = '8bit'; + $return['use_mbstring'] = true; + break; + // ARMSCII-8 + case 'armscii-8': + case 'armscii': + $return['encoding'] = 'ARMSCII-8'; + $return['use_iconv'] = true; + break; - /**************************************************** - DISPLAY IMAGES - Some websites have a setting that blocks images from being loaded - into other pages. This gets around those blocks by spoofing the referrer. - ****************************************************/ - function display_image($image_url) { - $image = $this->get_file(urldecode($image_url)); - $suffix = pathinfo($image_url, PATHINFO_EXTENSION); + // ASCII + case 'us-ascii': + case 'ascii': + $return['encoding'] = 'US-ASCII'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; - switch($suffix) { - case 'bmp': - $mime='image/bmp'; + // BASE64 + case 'base64': + case 'base-64': + $return['encoding'] = 'BASE64'; + $return['use_mbstring'] = true; break; - case 'gif': - $mime='image/gif'; + + // Big5 - Traditional Chinese, mainly used in Taiwan + case 'big5': + case '950': + $return['encoding'] = 'BIG5'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; break; - case 'ico': - $mime='image/icon'; + + // Big5 with Hong Kong extensions, Traditional Chinese + case 'big5-hkscs': + $return['encoding'] = 'BIG5-HKSCS'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; break; - case 'jpe': - case 'jpg': - case 'jpeg': - $mime='image/jpeg'; + + // byte2be + case 'byte2be': + $return['encoding'] = 'byte2be'; + $return['use_mbstring'] = true; break; - case 'jfif': - $mime='image/pipeg'; + + // byte2le + case 'byte2le': + $return['encoding'] = 'byte2le'; + $return['use_mbstring'] = true; break; - case 'png': - $mime='image/png'; + + // byte4be + case 'byte4be': + $return['encoding'] = 'byte4be'; + $return['use_mbstring'] = true; break; - case 'tif': - case 'tiff': - $mime='image/tiff'; + + // byte4le + case 'byte4le': + $return['encoding'] = 'byte4le'; + $return['use_mbstring'] = true; break; - default: - $mime='image'; - } - header('Content-type: ' . $mime); - echo $image; - //echo $image_url; - exit; - } + // EUC-CN + case 'euc-cn': + case 'euccn': + $return['encoding'] = 'EUC-CN'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + // EUC-JISX0213 + case 'euc-jisx0213': + case 'eucjisx0213': + $return['encoding'] = 'EUC-JISX0213'; + $return['use_iconv'] = true; + break; + // EUC-JP + case 'euc-jp': + case 'eucjp': + $return['encoding'] = 'EUC-JP'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + // EUCJP-win + case 'euc-jp-win': + case 'eucjp-win': + case 'eucjpwin': + $return['encoding'] = 'EUCJP-win'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; - /**************************************************** - DELETE OUTDATED CACHE FILES - Copyright 2004 by "adam at roomvoter dot com". This material - may be distributed only subject to the terms and conditions set - forth in the Open Publication License, v1.0 or later (the latest - version is presently available at http://www.opencontent.org/openpub/). - This function deletes cache files that have not been used in a hour. - ****************************************************/ - function clear_cache($path, $max_minutes=60) { - if (is_dir($path) ) { - $handle = opendir($path); - while (false !== ($file = readdir($handle))) { - if ($file != '.' && $file != '..' && pathinfo($file, PATHINFO_EXTENSION) == 'spc') { - $diff = (time() - filemtime("$path/$file"))/60; - if ($diff > $max_minutes) unlink("$path/$file"); - } - } - closedir($handle); - } - } + // EUC-KR + case 'euc-kr': + case 'euckr': + $return['encoding'] = 'EUC-KR'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + // EUC-TW + case 'euc-tw': + case 'euctw': + $return['encoding'] = 'EUC-TW'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + // GB18030 - Simplified Chinese, national standard character set + case 'gb18030-2000': + case 'gb18030': + $return['encoding'] = 'GB18030'; + $return['use_iconv'] = true; + break; + // GB2312 - Simplified Chinese, national standard character set + case 'gb2312': + case '936': + $return['encoding'] = 'GB2312'; + $return['use_mbstring'] = true; + break; - /**************************************************** - OPENS A FILE, WITH EITHER FOPEN OR CURL - ****************************************************/ - function get_file($url) { - if (substr($url, 0, 7) == 'http://' && extension_loaded('curl')) { - $gch = curl_init(); - curl_setopt ($gch, CURLOPT_URL, $url); - curl_setopt ($gch, CURLOPT_HEADER, 0); - curl_setopt ($gch, CURLOPT_FOLLOWLOCATION, 1); - curl_setopt ($gch, CURLOPT_TIMEOUT, 10); - curl_setopt ($gch, CURLOPT_RETURNTRANSFER, 1); - curl_setopt ($gch, CURLOPT_REFERER, $url); - curl_setopt ($gch, CURLOPT_USERAGENT, $this->useragent); - $data = curl_exec ($gch); - curl_close ($gch); - } else { - $old_ua = ini_get('user_agent'); - ini_set('user_agent', $this->useragent); - if ($fp = fopen($url, 'r')) { - stream_set_blocking($fp, false); - stream_set_timeout($fp, 10); - $status = socket_get_status($fp); - $data = ''; - while (!feof($fp) && !$status['timed_out']) { - $data .= fread($fp, 2048); - $status = socket_get_status($fp); - } - if ($status['timed_out']) - return false; - fclose($fp); - } else return false; - ini_set('user_agent', $old_ua); - } - return $data; - } + // GBK + case 'gbk': + $return['encoding'] = 'GBK'; + $return['use_iconv'] = true; + break; + // Georgian-Academy + case 'georgian-academy': + $return['encoding'] = 'Georgian-Academy'; + $return['use_iconv'] = true; + break; + // Georgian-PS + case 'georgian-ps': + $return['encoding'] = 'Georgian-PS'; + $return['use_iconv'] = true; + break; + // HTML-ENTITIES + case 'html-entities': + case 'htmlentities': + $return['encoding'] = 'HTML-ENTITIES'; + $return['use_mbstring'] = true; + break; - /**************************************************** - CHECKS IF A FILE IS WRITEABLE, OR CREATEABLE - ****************************************************/ - function is_writeable_createable($file) { - if (file_exists($file)) - return is_writeable($file); - else - return is_writeable(dirname($file)); - } + // HZ + case 'hz': + $return['encoding'] = 'HZ'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // ISO-2022-CN + case 'iso-2022-cn': + case 'iso2022-cn': + case 'iso2022cn': + $return['encoding'] = 'ISO-2022-CN'; + $return['use_iconv'] = true; + break; + // ISO-2022-CN-EXT + case 'iso-2022-cn-ext': + case 'iso2022-cn-ext': + case 'iso2022cn-ext': + case 'iso2022cnext': + $return['encoding'] = 'ISO-2022-CN'; + $return['use_iconv'] = true; + break; + // ISO-2022-JP + case 'iso-2022-jp': + case 'iso2022-jp': + case 'iso2022jp': + $return['encoding'] = 'ISO-2022-JP'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + // ISO-2022-JP-1 + case 'iso-2022-jp-1': + case 'iso2022-jp-1': + case 'iso2022jp-1': + case 'iso2022jp1': + $return['encoding'] = 'ISO-2022-JP-1'; + $return['use_iconv'] = true; + break; - /**************************************************** - GET ATTRIBUTE - ****************************************************/ - function get_attribute($data, $attribute_name) { - if (preg_match("/$attribute_name='(.*)'/iU", $data, $match)) { - return $match; - } else if (preg_match("/$attribute_name=\"(.*)\"/iU", $data, $match)) { - return $match; - } else if (preg_match("/$attribute_name=(.*)[ |\/|>]/iU", $data, $match)) { - return $match; - } - } + // ISO-2022-JP-2 + case 'iso-2022-jp-2': + case 'iso2022-jp-2': + case 'iso2022jp-2': + case 'iso2022jp2': + $return['encoding'] = 'ISO-2022-JP-2'; + $return['use_iconv'] = true; + break; + // ISO-2022-JP-3 + case 'iso-2022-jp-3': + case 'iso2022-jp-3': + case 'iso2022jp-3': + case 'iso2022jp3': + $return['encoding'] = 'ISO-2022-JP-3'; + $return['use_iconv'] = true; + break; + // ISO-2022-KR + case 'iso-2022-kr': + case 'iso2022-kr': + case 'iso2022kr': + $return['encoding'] = 'ISO-2022-KR'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + // ISO-8859-1 + case 'iso-8859-1': + case 'iso8859-1': + $return['encoding'] = 'ISO-8859-1'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; - /**************************************************** - CALLBACK FUNCTION TO DEAL WITH CDATA WITHIN CDATA - ****************************************************/ - function cdata_in_cdata($match) { - $match[3] = preg_replace_callback('/<!\[CDATA\[(.*)\]\]>/msiU', array(&$this, 'real_cdata_in_cdata'), $match[3]); - return "<$match[1]$match[2]><![CDATA[$match[3]]]></$match[1]>"; - } + // ISO-8859-2 + case 'iso-8859-2': + case 'iso8859-2': + $return['encoding'] = 'ISO-8859-2'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + // ISO-8859-3 + case 'iso-8859-3': + case 'iso8859-3': + $return['encoding'] = 'ISO-8859-3'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + // ISO-8859-4 + case 'iso-8859-4': + case 'iso8859-4': + $return['encoding'] = 'ISO-8859-4'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + // ISO-8859-5 + case 'iso-8859-5': + case 'iso8859-5': + $return['encoding'] = 'ISO-8859-5'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; - /**************************************************** - CALLBACK FUNCTION TO REALLY DEAL WITH CDATA WITHIN CDATA - ****************************************************/ - function real_cdata_in_cdata($match) { - return htmlentities($match[1], ENT_NOQUOTES, $this->encoding); - } + // ISO-8859-6 + case 'iso-8859-6': + case 'iso8859-6': + $return['encoding'] = 'ISO-8859-6'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + // ISO-8859-7 + case 'iso-8859-7': + case 'iso8859-7': + $return['encoding'] = 'ISO-8859-7'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + // ISO-8859-8 + case 'iso-8859-8': + case 'iso8859-8': + $return['encoding'] = 'ISO-8859-8'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + // ISO-8859-9 + case 'iso-8859-9': + case 'iso8859-9': + $return['encoding'] = 'ISO-8859-9'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; - /**************************************************** - ADD DATA TO XMLDATA - ****************************************************/ - function do_add_content(&$array, $data) { - if ($this->is_first) { - $array['data'] = $data; - $array['attribs'] = $this->attribs; - } else $array['data'] .= $data; - } + // ISO-8859-10 + case 'iso-8859-10': + case 'iso8859-10': + $return['encoding'] = 'ISO-8859-10'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + // mbstring/iconv functions don't appear to support 11 & 12 + // ISO-8859-13 + case 'iso-8859-13': + case 'iso8859-13': + $return['encoding'] = 'ISO-8859-13'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + // ISO-8859-14 + case 'iso-8859-14': + case 'iso8859-14': + $return['encoding'] = 'ISO-8859-14'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; - /**************************************************** - PARSE XMLDATA - ****************************************************/ - function parse_xml_data_array() { - // Feed level xml:base - if (!empty($this->xmldata['feeddata']['attribs']['XML:BASE'])) { - $this->feed_xmlbase = parse_url($this->xmldata['feeddata']['attribs']['XML:BASE']); - } - else if (!empty($this->xmldata['feeddata']['attribs'][$this->namespaces['xml'] . ':BASE'])) { - $this->feed_xmlbase = parse_url($this->xmldata['feeddata']['attribs'][$this->namespaces['xml'] . ':BASE']); - } - else if (substr($this->rss_url, 0, 28) == 'http://feeds.feedburner.com/' && !empty($this->xmldata['info']['link'][0]['data'])) { - $this->feed_xmlbase = parse_url($this->xmldata['info']['link'][0]['data']); - } else { - $this->feed_xmlbase = $this->parsed_url; - } + // ISO-8859-15 + case 'iso-8859-15': + case 'iso8859-15': + $return['encoding'] = 'ISO-8859-15'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; - // Feed Info - if (isset($this->xmldata['feedinfo']['type'])) { - $this->data['feedinfo'] = $this->xmldata['feedinfo']; - } + // ISO-8859-16 + case 'iso-8859-16': + case 'iso8859-16': + $return['encoding'] = 'ISO-8859-16'; + $return['use_iconv'] = true; + break; - // Feed Title - if (!empty($this->xmldata['info']['title']['data'])) { - $this->data['info']['title'] = $this->sanitise($this->xmldata['info']['title']['data'], $this->xmldata['info']['title']['attribs']); - } - - // Feed Link(s) - if (!empty($this->xmldata['info']['link'])) { - foreach ($this->xmldata['info']['link'] as $num => $link) { - if (empty($link['attribs']['REL']) || $link['attribs']['REL'] == 'alternate') { - if (empty($link['data'])) { - $this->data['info']['link'][$num] = $this->sanitise($link['attribs']['HREF'], $link['attribs'], true); - } else { - $this->data['info']['link'][$num] = $this->sanitise($link['data'], $link['attribs'], true); - } - } - } - } + // JIS + case 'jis': + $return['encoding'] = 'JIS'; + $return['use_mbstring'] = true; + break; - // Feed Description - if (!empty($this->xmldata['info']['description']['data'])) { - $this->data['info']['description'] = $this->sanitise($this->xmldata['info']['description']['data'], $this->xmldata['info']['description']['attribs']); - } - else if (!empty($this->xmldata['info']['dc:description']['data'])) { - $this->data['info']['description'] = $this->sanitise($this->xmldata['info']['dc:description']['data'], $this->xmldata['info']['dc:description']['attribs']); - } - else if (!empty($this->xmldata['info']['tagline']['data'])) { - $this->data['info']['description'] = $this->sanitise($this->xmldata['info']['tagline']['data'], $this->xmldata['info']['tagline']['attribs']); - } - else if (!empty($this->xmldata['info']['subtitle']['data'])) { - $this->data['info']['description'] = $this->sanitise($this->xmldata['info']['subtitle']['data'], $this->xmldata['info']['subtitle']['attribs']); - } + // JOHAB - Korean + case 'johab': + $return['encoding'] = 'JOHAB'; + $return['use_iconv'] = true; + break; - // Feed Language - if (!empty($this->xmldata['info']['language']['data'])) { - $this->data['info']['language'] = $this->sanitise($this->xmldata['info']['language']['data'], $this->xmldata['info']['language']['attribs']); - } + // Russian + case 'koi8-r': + case 'koi8r': + $return['encoding'] = 'KOI8-R'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; - // Feed Copyright - if (!empty($this->xmldata['info']['copyright']['data'])) { - $this->data['info']['copyright'] = $this->sanitise($this->xmldata['info']['copyright']['data'], $this->xmldata['info']['copyright']['attribs']); + // Turkish + case 'koi8-t': + case 'koi8t': + $return['encoding'] = 'KOI8-T'; + $return['use_iconv'] = true; + break; + + // Ukrainian + case 'koi8-u': + case 'koi8u': + $return['encoding'] = 'KOI8-U'; + $return['use_iconv'] = true; + break; + + // Russian+Ukrainian + case 'koi8-ru': + case 'koi8ru': + $return['encoding'] = 'KOI8-RU'; + $return['use_iconv'] = true; + break; + + // Macintosh (Mac OS Classic) + case 'macintosh': + $return['encoding'] = 'Macintosh'; + $return['use_iconv'] = true; + break; + + // MacArabic (Mac OS Classic) + case 'macarabic': + $return['encoding'] = 'MacArabic'; + $return['use_iconv'] = true; + break; + + // MacCentralEurope (Mac OS Classic) + case 'maccentraleurope': + $return['encoding'] = 'MacCentralEurope'; + $return['use_iconv'] = true; + break; + + // MacCroatian (Mac OS Classic) + case 'maccroatian': + $return['encoding'] = 'MacCroatian'; + $return['use_iconv'] = true; + break; + + // MacCyrillic (Mac OS Classic) + case 'maccyrillic': + $return['encoding'] = 'MacCyrillic'; + $return['use_iconv'] = true; + break; + + // MacGreek (Mac OS Classic) + case 'macgreek': + $return['encoding'] = 'MacGreek'; + $return['use_iconv'] = true; + break; + + // MacHebrew (Mac OS Classic) + case 'machebrew': + $return['encoding'] = 'MacHebrew'; + $return['use_iconv'] = true; + break; + + // MacIceland (Mac OS Classic) + case 'maciceland': + $return['encoding'] = 'MacIceland'; + $return['use_iconv'] = true; + break; + + // MacRoman (Mac OS Classic) + case 'macroman': + $return['encoding'] = 'MacRoman'; + $return['use_iconv'] = true; + break; + + // MacRomania (Mac OS Classic) + case 'macromania': + $return['encoding'] = 'MacRomania'; + $return['use_iconv'] = true; + break; + + // MacThai (Mac OS Classic) + case 'macthai': + $return['encoding'] = 'MacThai'; + $return['use_iconv'] = true; + break; + + // MacTurkish (Mac OS Classic) + case 'macturkish': + $return['encoding'] = 'MacTurkish'; + $return['use_iconv'] = true; + break; + + // MacUkraine (Mac OS Classic) + case 'macukraine': + $return['encoding'] = 'MacUkraine'; + $return['use_iconv'] = true; + break; + + // MuleLao-1 + case 'mulelao-1': + case 'mulelao1': + $return['encoding'] = 'MuleLao-1'; + $return['use_iconv'] = true; + break; + + // Shift_JIS + case 'shift_jis': + case 'sjis': + case '932': + $return['encoding'] = 'Shift_JIS'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // Shift_JISX0213 + case 'shift-jisx0213': + case 'shiftjisx0213': + $return['encoding'] = 'Shift_JISX0213'; + $return['use_iconv'] = true; + break; + + // SJIS-win + case 'sjis-win': + case 'sjiswin': + case 'shift_jis-win': + $return['encoding'] = 'SJIS-win'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // TCVN - Vietnamese + case 'tcvn': + $return['encoding'] = 'TCVN'; + $return['use_iconv'] = true; + break; + + // TDS565 - Turkish + case 'tds565': + $return['encoding'] = 'TDS565'; + $return['use_iconv'] = true; + break; + + // TIS-620 Thai + case 'tis-620': + case 'tis620': + $return['encoding'] = 'TIS-620'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // UCS-2 + case 'ucs-2': + case 'ucs2': + case 'utf-16': + case 'utf16': + $return['encoding'] = 'UCS-2'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // UCS-2BE + case 'ucs-2be': + case 'ucs2be': + case 'utf-16be': + case 'utf16be': + $return['encoding'] = 'UCS-2BE'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // UCS-2LE + case 'ucs-2le': + case 'ucs2le': + case 'utf-16le': + case 'utf16le': + $return['encoding'] = 'UCS-2LE'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // UCS-2-INTERNAL + case 'ucs-2-internal': + case 'ucs2internal': + $return['encoding'] = 'UCS-2-INTERNAL'; + $return['use_iconv'] = true; + break; + + // UCS-4 + case 'ucs-4': + case 'ucs4': + case 'utf-32': + case 'utf32': + $return['encoding'] = 'UCS-4'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // UCS-4BE + case 'ucs-4be': + case 'ucs4be': + case 'utf-32be': + case 'utf32be': + $return['encoding'] = 'UCS-4BE'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // UCS-4LE + case 'ucs-4le': + case 'ucs4le': + case 'utf-32le': + case 'utf32le': + $return['encoding'] = 'UCS-4LE'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // UCS-4-INTERNAL + case 'ucs-4-internal': + case 'ucs4internal': + $return['encoding'] = 'UCS-4-INTERNAL'; + $return['use_iconv'] = true; + break; + + // UCS-16 + case 'ucs-16': + case 'ucs16': + $return['encoding'] = 'UCS-16'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // UCS-16BE + case 'ucs-16be': + case 'ucs16be': + $return['encoding'] = 'UCS-16BE'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // UCS-16LE + case 'ucs-16le': + case 'ucs16le': + $return['encoding'] = 'UCS-16LE'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // UCS-32 + case 'ucs-32': + case 'ucs32': + $return['encoding'] = 'UCS-32'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // UCS-32BE + case 'ucs-32be': + case 'ucs32be': + $return['encoding'] = 'UCS-32BE'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // UCS-32LE + case 'ucs-32le': + case 'ucs32le': + $return['encoding'] = 'UCS-32LE'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // UTF-7 + case 'utf-7': + case 'utf7': + $return['encoding'] = 'UTF-7'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // UTF7-IMAP + case 'utf-7-imap': + case 'utf7-imap': + case 'utf7imap': + $return['encoding'] = 'UTF7-IMAP'; + $return['use_mbstring'] = true; + break; + + // VISCII - Vietnamese ASCII + case 'viscii': + $return['encoding'] = 'VISCII'; + $return['use_iconv'] = true; + break; + + // Windows-specific Central & Eastern Europe + case 'cp1250': + case 'windows-1250': + case 'win-1250': + case '1250': + $return['encoding'] = 'Windows-1250'; + $return['use_iconv'] = true; + break; + + // Windows-specific Cyrillic + case 'cp1251': + case 'windows-1251': + case 'win-1251': + case '1251': + $return['encoding'] = 'Windows-1251'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // Windows-specific Western Europe + case 'cp1252': + case 'windows-1252': + case '1252': + $return['encoding'] = 'Windows-1252'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; + + // Windows-specific Greek + case 'cp1253': + case 'windows-1253': + case '1253': + $return['encoding'] = 'Windows-1253'; + $return['use_iconv'] = true; + break; + + // Windows-specific Turkish + case 'cp1254': + case 'windows-1254': + case '1254': + $return['encoding'] = 'Windows-1254'; + $return['use_iconv'] = true; + break; + + // Windows-specific Hebrew + case 'cp1255': + case 'windows-1255': + case '1255': + $return['encoding'] = 'Windows-1255'; + $return['use_iconv'] = true; + break; + + // Windows-specific Arabic + case 'cp1256': + case 'windows-1256': + case '1256': + $return['encoding'] = 'Windows-1256'; + $return['use_iconv'] = true; + break; + + // Windows-specific Baltic + case 'cp1257': + case 'windows-1257': + case '1257': + $return['encoding'] = 'Windows-1257'; + $return['use_iconv'] = true; + break; + + // Windows-specific Vietnamese + case 'cp1258': + case 'windows-1258': + case '1258': + $return['encoding'] = 'Windows-1258'; + $return['use_iconv'] = true; + break; + + // Default to UTF-8 + default: + $return['encoding'] = 'UTF-8'; + $return['use_iconv'] = true; + $return['use_mbstring'] = true; + break; } - // Feed Image - if (!empty($this->xmldata['info']['image']['title']['data'])) { - $this->data['info']['image']['title'] = $this->sanitise($this->xmldata['info']['image']['title']['data'], $this->xmldata['info']['image']['title']['attribs']); + // Then, return it. + return $return; + } + + function get_curl_version() + { + $curl = 0; + if (is_array(curl_version())) + { + $curl = curl_version(); + $curl = $curl['version']; } - if (!empty($this->xmldata['info']['image']['url']['data'])) { - $this->data['info']['image']['url'] = $this->sanitise($this->xmldata['info']['image']['url']['data'], $this->xmldata['info']['image']['url']['attribs'], true); + else + { + $curl = curl_version(); + $curl = explode(' ', $curl); + $curl = explode('/', $curl[0]); + $curl = $curl[1]; } - else if (!empty($this->xmldata['info']['logo']['data'])) { - $this->data['info']['image']['url'] = $this->sanitise($this->xmldata['info']['logo']['data'], $this->xmldata['info']['logo']['attribs'], true); + return $curl; + } + + function is_a_class($class1, $class2) + { + if (class_exists($class1)) + { + $classes = array(strtolower($class1)); + while ($class1 = get_parent_class($class1)) + { + $classes[] = strtolower($class1); + } + return in_array(strtolower($class2), $classes); } - if (!empty($this->xmldata['info']['image']['link']['data'])) { - $this->data['info']['image']['link'] = $this->sanitise($this->xmldata['info']['image']['link']['data'], $this->xmldata['info']['image']['link']['attribs'], true); + else + { + return false; } - if (!empty($this->xmldata['info']['image']['width']['data'])) { - $this->data['info']['image']['width'] = $this->sanitise($this->xmldata['info']['image']['width']['data'], $this->xmldata['info']['image']['width']['attribs']); + } +} + +class SimplePie_Locator +{ + var $useragent; + var $timeout; + var $file; + var $local; + var $elsewhere; + var $file_class = 'SimplePie_File'; + + function SimplePie_Locator(&$file, $timeout = 10, $useragent = null, $file_class = 'SimplePie_File') + { + if (!is_a($file, 'SimplePie_File')) + { + $this->file = new $this->file_class($file, $timeout, $useragent); } - if (!empty($this->xmldata['info']['image']['height']['data'])) { - $this->data['info']['image']['height'] = $this->sanitise($this->xmldata['info']['image']['height']['data'], $this->xmldata['info']['image']['height']['attribs']); + else + { + $this->file =& $file; } + $this->file_class = $file_class; + $this->useragent = $useragent; + $this->timeout = $timeout; + } - // Items - if (!empty($this->xmldata['items'])) { - foreach ($this->xmldata['items'] as $num => $item) { - // Item level xml:base - if (!empty($item['attribs']['XML:BASE'])) { - $this->item_xmlbase = parse_url($this->absolutize_url($item['attribs']['XML:BASE'], $this->feed_xmlbase)); - } - else if (!empty($item['attribs'][$this->namespaces['xml'] . ':BASE'])) { - $this->item_xmlbase = parse_url($this->absolutize_url($item['attribs'][$this->namespaces['xml'] . ':BASE'], $this->feed_xmlbase)); - } - // Clear vars - $id = null; - $title = null; - $description = null; - $categories = array(); - $author = array(); - $date = null; - $links = array(); - $enclosures = array(); + function find() + { + if ($this->is_feed($this->file)) + { + return $this->file->url; + } - // Title - if (!empty($item['title']['data'])) { - $title = $this->sanitise($item['title']['data'], $item['title']['attribs']); - } - else if (!empty($item['dc:title']['data'])) { - $title = $this->sanitise($item['dc:title']['data'], $item['dc:title']['attribs']); - } + $autodiscovery = $this->autodiscovery($this->file); + if ($autodiscovery) + { + return $autodiscovery; + } - // Description - if (!empty($item['content']['data'])) { - $description = $this->sanitise($item['content']['data'], $item['content']['attribs']); - } - else if (!empty($item['encoded']['data'])) { - $description = $this->sanitise($item['encoded']['data'], $item['encoded']['attribs']); - } - else if (!empty($item['summary']['data'])) { - $description = $this->sanitise($item['summary']['data'], $item['summary']['attribs']); - } - else if (!empty($item['description']['data'])) { - $description = $this->sanitise($item['description']['data'], $item['description']['attribs']); - } - else if (!empty($item['dc:description']['data'])) { - $description = $this->sanitise($item['dc:description']['data'], $item['dc:description']['attribs']); - } - else if (!empty($item['longdesc']['data'])) { - $description = $this->sanitise($item['longdesc']['data'], $item['longdesc']['attribs']); + if ($this->get_links($this->file)) + { + if (!empty($this->local)) + { + $extension_local = $this->extension($this->local); + if ($extension_local) + { + return $extension_local; } - // Link - if (!empty($item['link'])) { - foreach ($item['link'] as $link) { - if (empty($link['attribs']['REL']) || $link['attribs']['REL'] == 'alternate') { - if (empty($link['data'])) { - $links[sizeof($links)] = $this->sanitise($link['attribs']['HREF'], $link['attribs'], true); - } else { - $links[sizeof($links)] = $this->sanitise($link['data'], $link['attribs'], true); - } - } else if ($link['attribs']['REL'] == 'enclosure' && !empty($link['attribs']['HREF'])) { - $href = null; - $type = null; - $length = null; - $href = $this->sanitise($link['attribs']['HREF'], $link['attribs'], true); - if (!empty($link['attribs']['TYPE'])) { - $type = $this->sanitise($link['attribs']['TYPE'], $link['attribs']); - } - if (!empty($link['attribs']['LENGTH'])) { - $length = $this->sanitise($link['attribs']['LENGTH'], $link['attribs']); - } - $enclosures[] = new SimplePie_Enclosure($href, $type, $length); - } - } + $body_local = $this->body($this->local); + if ($body_local) + { + return $body_local; } + } - // Enclosures - if (!empty($item['enclosure'])) { - foreach ($item['enclosure'] as $enclosure) { - if (!empty($enclosure['attribs']['URL'])) { - $href = null; - $type = null; - $length = null; - $href = $this->sanitise($enclosure['attribs']['URL'], $enclosure['attribs'], true); - if (!empty($enclosure['attribs']['TYPE'])) { - $type = $this->sanitise($enclosure['attribs']['TYPE'], $enclosure['attribs']); - } - if (!empty($enclosure['attribs']['LENGTH'])) { - $length = $this->sanitise($enclosure['attribs']['LENGTH'], $enclosure['attribs']); - } - $enclosures[] = new SimplePie_Enclosure($href, $type, $length); - } - } + if (!empty($this->elsewhere)) + { + $extension_elsewhere = $this->extension($this->elsewhere); + if ($extension_elsewhere) + { + return $extension_elsewhere; } - // ID - if (!empty($item['guid']['data'])) { - if (empty($item['guid']['attribs']['ISPERMALINK']) || strtolower($item['guid']['attribs']['ISPERMALINK']) != 'false') { - $links[sizeof($links)] = $this->sanitise($item['guid']['data'], $item['guid']['attribs']); - } - $id = $this->sanitise($item['guid']['data'], $item['guid']['attribs']); - } - else if (!empty($item['id']['data'])) { - $id = $this->sanitise($item['id']['data'], $item['id']['attribs']); + $body_elsewhere = $this->body($this->elsewhere); + if ($body_elsewhere) + { + return $body_elsewhere; } + } + } + return false; + } - // Date - if (!empty($item['pubdate']['data'])) { - $date = $this->parse_date($this->sanitise($item['pubdate']['data'], $item['pubdate']['attribs'])); - } - else if (!empty($item['dc:date']['data'])) { - $date = $this->parse_date($this->sanitise($item['dc:date']['data'], $item['dc:date']['attribs'])); - } - else if (!empty($item['issued']['data'])) { - $date = $this->parse_date($this->sanitise($item['issued']['data'], $item['issued']['attribs'])); - } - else if (!empty($item['published']['data'])) { - $date = $this->parse_date($this->sanitise($item['published']['data'], $item['published']['attribs'])); - } - else if (!empty($item['modified']['data'])) { - $date = $this->parse_date($this->sanitise($item['modified']['data'], $item['modified']['attribs'])); - } - else if (!empty($item['updated']['data'])) { - $date = $this->parse_date($this->sanitise($item['updated']['data'], $item['updated']['attribs'])); - } + function is_feed(&$file) + { + if (!is_a($file, 'SimplePie_File')) + { + if (isset($this)) + { + $file2 = new $this->file_class($file, $this->timeout, 5, null, $this->useragent); + } + else + { + $file2 = new $this->file_class($file); + } + $file2->body(); + $file2->close(); + } + else + { + $file2 =& $file; + } + $body = preg_replace('/<\!-(.*)-\>/msiU', '', $file2->body()); + if (preg_match('/<(\w+\:)?rss/msiU', $body) || preg_match('/<(\w+\:)?RDF/mi', $body) || preg_match('/<(\w+\:)?feed/mi', $body)) + { + return true; + } + return false; + } - // Categories - if (!empty($item['category'])) { - foreach ($item['category'] as $category) { - $categories[sizeof($categories)] = $this->sanitise($category['data'], $category['attribs']); - } - } - if (!empty($item['subject'])) { - foreach ($item['subject'] as $category) { - $categories[sizeof($categories)] = $this->sanitise($category['data'], $category['attribs']); + function autodiscovery(&$file) + { + $links = SimplePie_Misc::get_element('link', $file->body()); + $done = array(); + foreach ($links as $link) + { + if (!empty($link['attribs']['TYPE']['data']) && !empty($link['attribs']['HREF']['data']) && !empty($link['attribs']['REL']['data'])) + { + $rel = preg_split('/\s+/', strtolower(trim($link['attribs']['REL']['data']))); + $type = preg_match('/^(application\/rss\+xml|application\/atom\+xml|application\/rdf\+xml|application\/xml\+rss|application\/xml\+atom|application\/xml\+rdf|application\/xml|application\/x\.atom\+xml|text\/xml)(;|$)/msiU', trim($link['attribs']['TYPE']['data'])); + $href = SimplePie_Misc::absolutize_url(trim($link['attribs']['HREF']['data']), $this->file->url); + if (!in_array($href, $done) && in_array('alternate', $rel) && $type) + { + $feed = $this->is_feed($href); + if ($feed) + { + return $href; } } + $done[] = $href; + } + } + return false; + } - // Author - $authors = array(); - if (!empty($item['creator'])) { - foreach($item['creator'] as $creator) { - $authors[] = new SimplePie_Author($this->sanitise($creator['data'], $creator['attribs']), null, null); + function get_links(&$file) + { + $links = SimplePie_Misc::get_element('a', $file->body()); + foreach ($links as $link) + { + if (!empty($link['attribs']['HREF']['data'])) + { + $href = trim($link['attribs']['HREF']['data']); + $parsed = SimplePie_Misc::parse_url($href); + if (empty($parsed['scheme']) || $parsed['scheme'] != 'javascript') + { + $current = SimplePie_Misc::parse_url($this->file->url); + if (empty($parsed['authority']) || $parsed['authority'] == $current['authority']) + { + $this->local[] = SimplePie_Misc::absolutize_url($href, $this->file->url); } - } - if (!empty($item['author'])) { - foreach($item['author'] as $author) { - $name = null; - $link = null; - $email = null; - if (!empty($author['name'])) { - $name = $this->sanitise($author['name']['data'], $author['name']['attribs']); - } - if (!empty($author['url'])) { - $link = $this->sanitise($author['url']['data'], $author['url']['attribs'], true); - } - else if (!empty($author['uri'])) { - $link = $this->sanitise($author['uri']['data'], $author['uri']['attribs'], true); - } - else if (!empty($author['homepage'])) { - $link = $this->sanitise($author['homepage']['data'], $author['homepage']['attribs'], true); - } - if (!empty($author['email'])) { - $email = $this->sanitise($author['email']['data'], $author['email']['attribs']); - } - if (!empty($author['rss'])) { - $sane = $this->sanitise($author['rss']['data'], $author['rss']['attribs']); - if (preg_match('/(.*)@(.*) \((.*)\)/msiU', $sane, $matches)) { - $name = trim($matches[3]); - $email = trim("$matches[1]@$matches[2]"); - } else { - $email = $sane; - } - } - $authors[] = new SimplePie_Author($name, $link, $email); + else + { + $this->elsewhere[] = SimplePie_Misc::absolutize_url($href, $this->file->url); } } - $this->data['items'][] = new SimplePie_Item($id, $title, $description, array_unique($categories), array_unique($authors), $date, array_unique($links), array_unique($enclosures)); - } // End Items + } + } + if (!empty($this->local)) + { + $this->local = array_unique($this->local); + } + if (!empty($this->elsewhere)) + { + $this->elsewhere = array_unique($this->elsewhere); + } + if (!empty($this->local) || !empty($this->elsewhere)) + { + return true; } - unset($this->xmldata); - } // End parse_xml_data_array(); + return false; + } - function sanitise($data, $attribs, $is_url = false) { - $this->attribs = $attribs; - if (isset($this->data['feedinfo']['type']) && $this->data['feedinfo']['type'] == 'Atom') { - if (!empty($attribs['MODE']) && $attribs['MODE'] == 'base64') { - $data = base64_decode($data); - } else if ((!empty($attribs['MODE']) && $attribs['MODE'] == 'escaped' || !empty($attribs['TYPE']) && ($attribs['TYPE'] == 'html' || $attribs['TYPE'] == 'text/html')) && (empty($attribs['SPENCODED']) || $attribs['SPENCODED'] != 'false')) { - $data = $this->entities_decode($data); - } - if (!empty($attribs['TYPE']) && ($attribs['TYPE'] == 'xhtml' || $attribs['TYPE'] == 'application/xhtml+xml')) { - if ($this->remove_div) { - $data = preg_replace('/<div( .*)?>/msiU', '', strrev(preg_replace('/>vid\/</i', '', strrev($data), 1)), 1); - } else { - $data = preg_replace('/<div( .*)?>/msiU', '<div>', $data, 1); + function extension(&$array) + { + foreach ($array as $key => $value) + { + $value = SimplePie_Misc::absolutize_url($value, $this->file->url); + if (in_array(strrchr($value, '.'), array('.rss', '.rdf', '.atom', '.xml'))) + { + if ($this->is_feed($value)) + { + return $value; + } + else + { + unset($array[$key]); } - $data = preg_replace("/<(\/)?$this->xhtml_prefix:/msiU", '<\\1', $data); - } - } else { - if (empty($attribs['SPENCODED']) || $attribs['SPENCODED'] != 'false') { - $data = $this->entities_decode($data); } } - $data = trim($data); - $data = str_replace(' spencoded="false">', '>', $data); + return false; + } - // Strip out HTML tags and attributes that might cause various security problems. - // Based on recommendations by Mark Pilgrim at: - // http://diveintomark.org/archives/2003/06/12/how_to_consume_rss_safely - if ($this->strip_htmltags) { - $tags_to_strip = explode(',', $this->strip_htmltags); - foreach ($tags_to_strip as $tag) { - if ($this->encode_instead_of_strip) { - // For encoded angled brackets (do these first) - $data = preg_replace('/<(!)?(\/)?'. trim($tag) .'(\w|\s|=|-|"|\'|"|:|;|%|\/|\.|\?|&|,|#|!|\+|\(|\))*>/i', '&lt;\\0&gt;', $data); - $data = str_replace('&lt;<', '&lt;', $data); - $data = str_replace('>&gt;', '&gt;', $data); - - // For angled brackets - $data = preg_replace('/<(!)?(\/)?'. trim($tag) .'(\w|\s|=|-|"|\'|"|:|;|%|\/|\.|\?|&|,|#|!|\+|\(|\))*>/i', '<\\0>', $data); - $data = str_replace('<<', '<', $data); - $data = str_replace('>>', '>', $data); + function body(&$array) + { + foreach ($array as $key => $value) + { + $value = SimplePie_Misc::absolutize_url($value, $this->file->url); + if (preg_match('/(rss|rdf|atom|xml)/i', $value)) + { + if ($this->is_feed($value)) + { + return $value; } - else { - $data = preg_replace('/(<|<)(!)?(\/)?'. trim($tag) .'(\w|\s|=|-|"|\'|"|:|;|%|\/|\.|\?|&|,|#|!|\+|\(|\))*(>|>)/i', '', $data); + else + { + unset($array[$key]); } } } + return false; + } +} - if ($this->strip_attributes) { - $attribs_to_strip = explode(',', $this->strip_attributes); - foreach ($attribs_to_strip as $attrib) { - $data = preg_replace('/ '. trim($attrib) .'=(\'|'|"|")?(\w|\s|=|-|:|;|\/|\.|\?|&|,|#|!|\(|\)|\'|'|<|>|\+|{|})*(\'|'|"|")?/i', '', $data); - } - } +class SimplePie_Parser +{ + var $encoding; + var $data; + var $namespaces = array('xml' => 'HTTP://WWW.W3.ORG/XML/1998/NAMESPACE', 'atom' => 'ATOM', 'rss2' => 'RSS', 'rdf' => 'RDF', 'rss1' => 'RSS', 'dc' => 'DC', 'xhtml' => 'XHTML', 'content' => 'CONTENT'); + var $xml; + var $error_code; + var $error_string; + var $current_line; + var $current_column; + var $current_byte; + var $tag_name; + var $inside_item; + var $item_number = 0; + var $inside_channel; + var $author_number= 0; + var $category_number = 0; + var $enclosure_number = 0; + var $link_number = 0; + var $item_link_number = 0; + var $inside_image; + var $attribs; + var $is_first; + var $inside_author; + var $depth_inside_item = 0; - // Replace H1, H2, and H3 tags with the less important H4 tags. - // This is because on a site, the more important headers might make sense, - // but it most likely doesn't fit in the context of RSS-in-a-webpage. - if ($this->replace_headers) { - $data = preg_replace('/<h[1-3]( .*)?>/msiU', '<h4>', $data); - $data = preg_replace('/<\/h[1-3]>/i', '</h4>', $data); - } + function SimplePie_Parser($data, $encoding, $return_xml = false) + { + $this->encoding = $encoding; - // If Strip Ads is enabled, strip them. - if ($this->strip_ads) { - $data = preg_replace('/(<|<)a(.*)href=("|")(.*)\\/\/(www\.)?pheedo.com\/(.*).phdo\?s=(.*)(>|>)(\s*|.*)((<|<).*(>|>)|.*)(\s*|.*)(<|<)\/a(>|>)/i', '', $data); // Pheedo links (tested with Dooce.com) - $data = preg_replace('/(<|<)a(\w|\s|\=|"|")*href=("|")http:\/\/ad.doubleclick.net\/(.*)(>|>)(\s*|.*)((<|<).*(>|>)|.*)(\s*|.*)(<|<)\/a(>|>)/i', '', $data); // Doubleclick links (tested with InfoWorld.com) - $data = preg_replace('/(<|<)map(\w|\s|=|-|"|\'|")*name=("|\'|")google_ad_map(\w|\s|=|-)*("|\'|")(\w|\s|=|-|"|\'|")*(^gt;|>)(.*)(<|<)\/map(>|>)(<|<)img(\w|\s|=|-|"|\'|")*usemap=("|\'|")#google_ad_map(\w|\s|=|-)*("|\'|")(\w|\s|=|-|"|\'|"|:|;|\/|\.|\?|&)*(>|>)/i', '', $data); // Google AdSense for Feeds (tested with tuaw.com). - // Feedflare, from Feedburner + // Strip BOM: + // UTF-32 Big Endian BOM + if (strpos($data, sprintf('%c%c%c%c', 0x00, 0x00, 0xFE, 0xFF)) === 0) + { + $data = substr($data, 4); } - - if ($is_url) { - $data = $this->replace_urls($data, true); - } else { - $data = preg_replace_callback('/<(.+)>/msiU', array(&$this, 'replace_urls'), $data); + // UTF-32 Little Endian BOM + else if (strpos($data, sprintf('%c%c%c%c', 0xFF, 0xFE, 0x00, 0x00)) === 0) + { + $data = substr($data, 4); } - - // If Bypass Image Hotlink is enabled, rewrite all the image tags. - if ($this->bypass_image_hotlink != false) { - $data = preg_replace_callback('/src=("|"|\'|')?(\w|=|-|:|;|\/|\.|\?|&|,|#|!|\(|\)|\'|')*("|"|\'|')?/', create_function('$m', 'return "src=\"".rawurlencode(str_replace("\"", "", str_replace("src=", "", html_entity_decode($m[0]))))."\"";'), $data); - - if ($this->bypass_image_hotlink_page != false) { - $data = preg_replace('/<img(\w|\s|=|-|"|\'|"|:|;|\/|\.|\?|&|,|#|!)*src=("|"|\')?/i', '\\0'.$this->bypass_image_hotlink_page.'?i=', $data); - } - else $data = preg_replace('/<img(\w|\s|=|-|"|\'|"|:|;|\/|\.|\?|&|,|#|!)*src=("|"|\')?/i', '\\0?i=', $data); + // UTF-16 Big Endian BOM + else if (strpos($data, sprintf('%c%c', 0xFE, 0xFF)) === 0) + { + $data = substr($data, 2); } - - return $data; - } - - function replace_urls($data, $raw_url = false) { - if (!empty($this->attribs['XML:BASE'])) { - if (!empty($this->item_xmlbase)) { - $attrib_xmlbase = parse_url($this->absolutize_url($this->attribs['XML:BASE'], $this->item_xmlbase)); - } else { - $attrib_xmlbase = parse_url($this->absolutize_url($this->attribs['XML:BASE'], $this->feed_xmlbase)); - } + // UTF-16 Little Endian BOM + else if (strpos($data, sprintf('%c%c', 0xFF, 0xFE)) === 0) + { + $data = substr($data, 2); } - else if (!empty($this->attribs[$this->namespaces['xml'] . ':BASE'])) { - if (!empty($this->item_xmlbase)) { - $attrib_xmlbase = parse_url($this->absolutize_url($this->attribs[$this->namespaces['xml'] . ':BASE'], $this->item_xmlbase)); - } else { - $attrib_xmlbase = parse_url($this->absolutize_url($this->attribs[$this->namespaces['xml'] . ':BASE'], $this->feed_xmlbase)); - } + // UTF-8 BOM + else if (strpos($data, sprintf('%c%c%c', 0xEF, 0xBB, 0xBF)) === 0) + { + $data = substr($data, 3); } - if (!empty($attrib_xmlbase)) { - $xmlbase = $attrib_xmlbase; - } else if (!empty($this->item_xmlbase)) { - $xmlbase = $this->item_xmlbase; - } else { - $xmlbase = $this->feed_xmlbase; + + // Make sure the XML prolog is sane and has the correct encoding + if (preg_match('/^<\?xml(.*)?>/msiU', $data, $prolog)) + { + $data = substr_replace($data, '', 0, strlen($prolog[0])); } - if ($raw_url) { - return $this->absolutize_url($data, $xmlbase); - } else { - $attributes = array( - 'background', - 'href', - 'src', - 'longdesc', - 'usemap', - 'codebase', - 'data', - 'classid', - 'cite', - 'action', - 'profile', - 'for' + $data = "<?xml version='1.0' encoding='$encoding'?>\n" . $data; + + // Put some data into CDATA blocks + // If we're RSS + if ((stristr($data, '<rss') || preg_match('/<([a-z0-9]+\:)?RDF/mi', $data)) && (preg_match('/<([a-z0-9]+\:)?channel/mi', $data) || preg_match('/<([a-z0-9]+\:)?item/mi', $data))) + { + $sp_elements = array( + 'author', + 'category', + 'copyright', + 'description', + 'docs', + 'generator', + 'guid', + 'language', + 'lastBuildDate', + 'link', + 'managingEditor', + 'pubDate', + 'title', + 'url', + 'webMaster', ); - foreach ($attributes as $attribute) { - $attrib = $this->get_attribute($data[0], $attribute); - $new_tag = str_replace($attrib[1], $this->absolutize_url($attrib[1], $xmlbase), $attrib[0]); - $data[0] = str_replace($attrib[0], $new_tag, $data[0]); - } - return $data[0]; } - } + // Or if we're Atom + else + { + $sp_elements = array( + 'content', + 'copyright', + 'name', + 'subtitle', + 'summary', + 'tagline', + 'title', + ); + } + foreach ($sp_elements as $full) + { + $data = preg_replace_callback("/<($full)((\s*((\w+:)?\w+)\s*=\s*(\"([^\"]*)\"|'([^']*)'))*)\s*(\/>|>(.*)<\/$full>)/msiU", array(&$this, 'add_cdata'), $data); + } + foreach ($sp_elements as $full) + { + // Deal with CDATA within CDATA (this can be caused by us inserting CDATA above) + $data = preg_replace_callback("/<($full)((\s*((\w+:)?\w+)\s*=\s*(\"([^\"]*)\"|'([^']*)'))*)\s*(\/>|><!\[CDATA\[(.*)\]\]><\/$full>)/msiU", array(&$this, 'cdata_in_cdata'), $data); + } - function entities_decode($data) { - return preg_replace_callback('/&(#)?(x)?([0-9a-z]+);/mi', array(&$this, 'do_entites_decode'), $data); - } + // Return the XML, if so desired + if ($return_xml) + { + $this->data =& $data; + return; + } - function do_entites_decode($data) - { - $entity = "&$data[1]$data[2]$data[3];"; - $entity_html = html_entity_decode($entity, ENT_QUOTES); - if ($entity == $entity_html) { - return preg_replace_callback('/&#([0-9a-fx]+);/mi', array(&$this, 'replace_num_entity'), $entity); - } else { - return $entity_html; + // Create the parser + $this->xml = xml_parser_create_ns($encoding); + xml_parser_set_option($this->xml, XML_OPTION_SKIP_WHITE, 1); + xml_set_object($this->xml, $this); + xml_set_character_data_handler($this->xml, 'data_handler'); + xml_set_element_handler($this->xml, 'start_handler', 'end_handler'); + xml_set_start_namespace_decl_handler($this->xml, 'start_name_space'); + xml_set_end_namespace_decl_handler($this->xml, 'end_name_space'); + + // Parse! + if (!xml_parse($this->xml, $data)) + { + $this->data = null; + $this->error_code = xml_get_error_code($this->xml); + $this->error_string = xml_error_string($this->error_code); } + $this->current_line = xml_get_current_line_number($this->xml); + $this->current_column = xml_get_current_column_number($this->xml); + $this->current_byte = xml_get_current_byte_index($this->xml); + xml_parser_free($this->xml); + return; } - /* - * Escape numeric entities - * From a PHP Manual note (on html_entity_decode()) - * Copyright (c) 2005 by "php dot net at c dash ovidiu dot tk", - * "emilianomartinezluque at yahoo dot com" and "hurricane at cyberworldz dot org". - * - * This material may be distributed only subject to the terms and conditions set forth in - * the Open Publication License, v1.0 or later (the latest version is presently available at - * http://www.opencontent.org/openpub/). - */ - function replace_num_entity($ord) { - $ord = $ord[1]; - if (preg_match('/^x([0-9a-f]+)$/i', $ord, $match)) - $ord = hexdec($match[1]); - else - $ord = intval($ord); - $no_bytes = 0; - $byte = array(); - if ($ord < 128) - return chr($ord); - if ($ord < 2048) - $no_bytes = 2; - else if ($ord < 65536) - $no_bytes = 3; - else if ($ord < 1114112) - $no_bytes = 4; - else return; - switch ($no_bytes) { - case 2: - $prefix = array(31, 192); - break; - - case 3: - $prefix = array(15, 224); - break; - - case 4: - $prefix = array(7, 240); - break; + function add_cdata($match) + { + if (isset($match[10])) + { + return "<$match[1]$match[2]><![CDATA[$match[10]]]></$match[1]>"; } - for ($i=0; $i < $no_bytes; ++$i) - $byte[$no_bytes-$i-1] = (($ord & (63 * pow(2,6*$i))) / pow(2,6*$i)) & 63 | 128; - $byte[0] = ($byte[0] & $prefix[0]) | $prefix[1]; - $ret = ''; - for ($i=0; $i < $no_bytes; ++$i) - $ret .= chr($byte[$i]); - return $ret; + return $match[0]; } - function parse_date($date) { - if (preg_match('/([0-9]{2,4})-([0-9][0-9])-([0-9][0-9])T([0-9][0-9]):([0-9][0-9]):([0-9][0-9])(\.[0-9][0-9])?Z/i', $date, $matches)) { - if (isset($matches[7]) && substr($matches[7], 1) >= 50) - $matches[6]++; - return strtotime("$matches[1]-$matches[2]-$matches[3] $matches[4]:$matches[5]:$matches[6] -0000"); - } else if (preg_match('/([0-9]{2,4})-([0-9][0-9])-([0-9][0-9])T([0-9][0-9]):([0-9][0-9]):([0-9][0-9])(\.[0-9][0-9])?(\+|-)([0-9][0-9]):([0-9][0-9])/i', $date, $matches)) { - if (isset($matches[7]) && substr($matches[7], 1) >= 50) - $matches[6]++; - return strtotime("$matches[1]-$matches[2]-$matches[3] $matches[4]:$matches[5]:$matches[6] $matches[8]$matches[9]$matches[10]"); - } else { - return strtotime($date); + function cdata_in_cdata($match) + { + if (isset($match[10])) + { + $match[10] = preg_replace_callback('/<!\[CDATA\[(.*)\]\]>/msiU', array(&$this, 'real_cdata_in_cdata'), $match[10]); + return "<$match[1]$match[2]><![CDATA[$match[10]]]></$match[1]>"; } + return $match[0]; } + function real_cdata_in_cdata($match) + { + return htmlspecialchars($match[1], ENT_NOQUOTES); + } + function do_add_content(&$array, $data) + { + if ($this->is_first) + { + $array['data'] = $data; + $array['attribs'] = $this->attribs; + } + else + { + $array['data'] .= $data; + } + } - - /**************************************************** - FUNCTIONS FOR XML_PARSE - ****************************************************/ - function startHandler($parser, $name, $attribs) { - $this->tagName = $name; + function start_handler($parser, $name, $attribs) + { + $this->tag_name = $name; $this->attribs = $attribs; $this->is_first = true; - switch ($this->tagName) { + + if ($this->inside_item) + { + $this->depth_inside_item++; + } + + switch ($this->tag_name) + { case 'ITEM': case $this->namespaces['rss2'] . ':ITEM': case $this->namespaces['rss1'] . ':ITEM': case 'ENTRY': case $this->namespaces['atom'] . ':ENTRY': - $this->insideItem = true; - $this->do_add_content($this->xmldata['items'][$this->itemNumber], ''); + $this->inside_item = true; + $this->do_add_content($this->data['items'][$this->item_number], ''); break; case 'CHANNEL': case $this->namespaces['rss2'] . ':CHANNEL': case $this->namespaces['rss1'] . ':CHANNEL': - $this->insideChannel = true; + $this->inside_channel = true; break; case 'RSS': case $this->namespaces['rss2'] . ':RSS': - $this->xmldata['feedinfo']['type'] = 'RSS'; - $this->do_add_content($this->xmldata['feeddata'], ''); - if (!empty($attribs['VERSION'])) { - $this->xmldata['feedinfo']['version'] = trim($attribs['VERSION']); + $this->data['feedinfo']['type'] = 'RSS'; + $this->do_add_content($this->data['feeddata'], ''); + if (!empty($attribs['VERSION'])) + { + $this->data['feedinfo']['version'] = trim($attribs['VERSION']); } break; case $this->namespaces['rdf'] . ':RDF': - $this->xmldata['feedinfo']['type'] = 'RSS'; - $this->do_add_content($this->xmldata['feeddata'], ''); - $this->xmldata['feedinfo']['version'] = 1; + $this->data['feedinfo']['type'] = 'RSS'; + $this->do_add_content($this->data['feeddata'], ''); + $this->data['feedinfo']['version'] = 1; break; case 'FEED': case $this->namespaces['atom'] . ':FEED': - $this->xmldata['feedinfo']['type'] = 'Atom'; - $this->do_add_content($this->xmldata['feeddata'], ''); - if (!empty($attribs['VERSION'])) { - $this->xmldata['feedinfo']['version'] = trim($attribs['VERSION']); + $this->data['feedinfo']['type'] = 'Atom'; + $this->do_add_content($this->data['feeddata'], ''); + if (!empty($attribs['VERSION'])) + { + $this->data['feedinfo']['version'] = trim($attribs['VERSION']); } break; case 'IMAGE': case $this->namespaces['rss2'] . ':IMAGE': case $this->namespaces['rss1'] . ':IMAGE': - if ($this->insideChannel) $this->insideImage = true; + if ($this->inside_channel) + { + $this->inside_image = true; + } break; } - if (isset($this->xmldata['feedinfo']['type']) && $this->xmldata['feedinfo']['type'] == 'Atom') { - switch ($this->tagName) { - case 'AUTHOR': - case $this->namespaces['atom'] . ':AUTHOR': - $this->insideAuthor = true; - break; - } + if (!empty($this->data['feedinfo']['type']) && $this->data['feedinfo']['type'] == 'Atom' && ($this->tag_name == 'AUTHOR' || $this->tag_name == $this->namespaces['atom'] . ':AUTHOR')) + { + $this->inside_author = true; } - $this->dataHandler($this->xml, ''); + $this->data_handler($this->xml, ''); } - function dataHandler($parser, $data) { - if ($this->insideItem) { - switch ($this->tagName) { + function data_handler($parser, $data) + { + if ($this->inside_item && $this->depth_inside_item == 1) + { + switch ($this->tag_name) + { case 'TITLE': case $this->namespaces['rss1'] . ':TITLE': case $this->namespaces['rss2'] . ':TITLE': case $this->namespaces['atom'] . ':TITLE': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['title'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['title'], $data); break; case $this->namespaces['dc'] . ':TITLE': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['dc:title'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['dc:title'], $data); break; case 'CONTENT': case $this->namespaces['atom'] . ':CONTENT': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['content'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['content'], $data); break; case $this->namespaces['content'] . ':ENCODED': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['encoded'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['encoded'], $data); break; case 'SUMMARY': case $this->namespaces['atom'] . ':SUMMARY': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['summary'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['summary'], $data); break; case 'LONGDESC': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['longdesc'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['longdesc'], $data); break; case 'DESCRIPTION': case $this->namespaces['rss1'] . ':DESCRIPTION': case $this->namespaces['rss2'] . ':DESCRIPTION': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['description'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['description'], $data); break; case $this->namespaces['dc'] . ':DESCRIPTION': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['dc:description'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['dc:description'], $data); break; case 'LINK': case $this->namespaces['rss1'] . ':LINK': case $this->namespaces['rss2'] . ':LINK': case $this->namespaces['atom'] . ':LINK': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['link'][$this->itemLinkNumber], $data); + $this->do_add_content($this->data['items'][$this->item_number]['link'][$this->item_link_number], $data); break; case 'ENCLOSURE': case $this->namespaces['rss1'] . ':ENCLOSURE': case $this->namespaces['rss2'] . ':ENCLOSURE': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['enclosure'][$this->enclosureNumber], $data); + case $this->namespaces['atom'] . ':ENCLOSURE': + $this->do_add_content($this->data['items'][$this->item_number]['enclosure'][$this->enclosure_number], $data); break; case 'GUID': case $this->namespaces['rss1'] . ':GUID': case $this->namespaces['rss2'] . ':GUID': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['guid'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['guid'], $data); break; case 'ID': case $this->namespaces['atom'] . ':ID': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['id'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['id'], $data); break; case 'PUBDATE': case $this->namespaces['rss1'] . ':PUBDATE': case $this->namespaces['rss2'] . ':PUBDATE': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['pubdate'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['pubdate'], $data); break; case $this->namespaces['dc'] . ':DATE': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['dc:date'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['dc:date'], $data); break; case 'ISSUED': case $this->namespaces['atom'] . ':ISSUED': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['issued'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['issued'], $data); break; case 'PUBLISHED': case $this->namespaces['atom'] . ':PUBLISHED': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['published'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['published'], $data); break; case 'MODIFIED': case $this->namespaces['atom'] . ':MODIFIED': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['modified'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['modified'], $data); break; case 'UPDATED': case $this->namespaces['atom'] . ':UPDATED': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['updated'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['updated'], $data); break; case 'CATEGORY': case $this->namespaces['rss1'] . ':CATEGORY': case $this->namespaces['rss2'] . ':CATEGORY': case $this->namespaces['atom'] . ':CATEGORY': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['category'][$this->categoryNumber], $data); + $this->do_add_content($this->data['items'][$this->item_number]['category'][$this->category_number], $data); break; case $this->namespaces['dc'] . ':SUBJECT': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['subject'][$this->categoryNumber], $data); + $this->do_add_content($this->data['items'][$this->item_number]['subject'][$this->category_number], $data); break; case $this->namespaces['dc'] . ':CREATOR': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['creator'][$this->authorNumber], $data); + $this->do_add_content($this->data['items'][$this->item_number]['creator'][$this->author_number], $data); break; case 'AUTHOR': case $this->namespaces['rss1'] . ':AUTHOR': case $this->namespaces['rss2'] . ':AUTHOR': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['author'][$this->authorNumber]['rss'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['author'][$this->author_number]['rss'], $data); break; } - if ($this->insideAuthor) { - switch ($this->tagName) { + if ($this->inside_author) + { + switch ($this->tag_name) + { case 'NAME': case $this->namespaces['atom'] . ':NAME': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['author'][$this->authorNumber]['name'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['author'][$this->author_number]['name'], $data); break; case 'URL': case $this->namespaces['atom'] . ':URL': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['author'][$this->authorNumber]['url'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['author'][$this->author_number]['url'], $data); break; case 'URI': case $this->namespaces['atom'] . ':URI': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['author'][$this->authorNumber]['uri'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['author'][$this->author_number]['uri'], $data); break; case 'HOMEPAGE': case $this->namespaces['atom'] . ':HOMEPAGE': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['author'][$this->authorNumber]['homepage'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['author'][$this->author_number]['homepage'], $data); break; case 'EMAIL': case $this->namespaces['atom'] . ':EMAIL': - $this->do_add_content($this->xmldata['items'][$this->itemNumber]['author'][$this->authorNumber]['email'], $data); + $this->do_add_content($this->data['items'][$this->item_number]['author'][$this->author_number]['email'], $data); break; } } } - else if (($this->insideChannel && !$this->insideImage) || (isset($this->xmldata['feedinfo']['type']) && $this->xmldata['feedinfo']['type'] == 'Atom')) { - switch ($this->tagName) { + else if (($this->inside_channel && !$this->inside_image) || (isset($this->data['feedinfo']['type']) && $this->data['feedinfo']['type'] == 'Atom')) + { + switch ($this->tag_name) + { case 'TITLE': case $this->namespaces['rss1'] . ':TITLE': case $this->namespaces['rss2'] . ':TITLE': case $this->namespaces['atom'] . ':TITLE': - $this->do_add_content($this->xmldata['info']['title'], $data); + $this->do_add_content($this->data['info']['title'], $data); break; case 'LINK': case $this->namespaces['rss1'] . ':LINK': case $this->namespaces['rss2'] . ':LINK': case $this->namespaces['atom'] . ':LINK': - $this->do_add_content($this->xmldata['info']['link'][$this->linkNumber], $data); + $this->do_add_content($this->data['info']['link'][$this->link_number], $data); break; case 'DESCRIPTION': case $this->namespaces['rss1'] . ':DESCRIPTION': case $this->namespaces['rss2'] . ':DESCRIPTION': - $this->do_add_content($this->xmldata['info']['description'], $data); + $this->do_add_content($this->data['info']['description'], $data); break; case $this->namespaces['dc'] . ':DESCRIPTION': - $this->do_add_content($this->xmldata['info']['dc:description'], $data); + $this->do_add_content($this->data['info']['dc:description'], $data); break; case 'TAGLINE': case $this->namespaces['atom'] . ':TAGLINE': - $this->do_add_content($this->xmldata['info']['tagline'], $data); + $this->do_add_content($this->data['info']['tagline'], $data); break; case 'SUBTITLE': case $this->namespaces['atom'] . ':SUBTITLE': - $this->do_add_content($this->xmldata['info']['subtitle'], $data); + $this->do_add_content($this->data['info']['subtitle'], $data); break; case 'COPYRIGHT': case $this->namespaces['rss1'] . ':COPYRIGHT': case $this->namespaces['rss2'] . ':COPYRIGHT': case $this->namespaces['atom'] . ':COPYRIGHT': - $this->do_add_content($this->xmldata['info']['copyright'], $data); + $this->do_add_content($this->data['info']['copyright'], $data); break; case 'LANGUAGE': case $this->namespaces['rss1'] . ':LANGUAGE': case $this->namespaces['rss2'] . ':LANGUAGE': - $this->do_add_content($this->xmldata['info']['language'], $data); + $this->do_add_content($this->data['info']['language'], $data); break; case 'LOGO': case $this->namespaces['atom'] . ':LOGO': - $this->do_add_content($this->xmldata['info']['logo'], $data); + $this->do_add_content($this->data['info']['logo'], $data); break; } } - else if ($this->insideChannel && $this->insideImage) { - switch ($this->tagName) { + else if ($this->inside_channel && $this->inside_image) + { + switch ($this->tag_name) + { case 'TITLE': case $this->namespaces['rss1'] . ':TITLE': case $this->namespaces['rss2'] . ':TITLE': - $this->do_add_content($this->xmldata['info']['image']['title'], $data); + $this->do_add_content($this->data['info']['image']['title'], $data); break; case 'URL': case $this->namespaces['rss1'] . ':URL': case $this->namespaces['rss2'] . ':URL': - $this->do_add_content($this->xmldata['info']['image']['url'], $data); + $this->do_add_content($this->data['info']['image']['url'], $data); break; case 'LINK': case $this->namespaces['rss1'] . ':LINK': case $this->namespaces['rss2'] . ':LINK': - $this->do_add_content($this->xmldata['info']['image']['link'], $data); + $this->do_add_content($this->data['info']['image']['link'], $data); break; case 'WIDTH': case $this->namespaces['rss1'] . ':WIDTH': case $this->namespaces['rss2'] . ':WIDTH': - $this->do_add_content($this->xmldata['info']['image']['width'], $data); + $this->do_add_content($this->data['info']['image']['width'], $data); break; case 'HEIGHT': case $this->namespaces['rss1'] . ':HEIGHT': case $this->namespaces['rss2'] . ':HEIGHT': - $this->do_add_content($this->xmldata['info']['image']['height'], $data); + $this->do_add_content($this->data['info']['image']['height'], $data); break; } } $this->is_first = false; } - function endHandler($parser, $name) { - $this->tagName = ''; - switch ($name) { + function end_handler($parser, $name) + { + $this->tag_name = ''; + switch ($name) + { case 'ITEM': case $this->namespaces['rss1'] . ':ITEM': case $this->namespaces['rss2'] . ':ITEM': case 'ENTRY': case $this->namespaces['atom'] . ':ENTRY': - $this->insideItem = false; - $this->itemNumber++; - $this->authorNumber = 0; - $this->categoryNumber = 0; - $this->enclosureNumber = 0; - $this->itemLinkNumber = 0; + $this->inside_item = false; + $this->item_number++; + $this->author_number = 0; + $this->category_number = 0; + $this->enclosure_number = 0; + $this->item_link_number = 0; break; case 'CHANNEL': case $this->namespaces['rss1'] . ':CHANNEL': case $this->namespaces['rss2'] . ':CHANNEL': - $this->insideChannel = false; + $this->inside_channel = false; break; case 'IMAGE': case $this->namespaces['rss1'] . ':IMAGE': case $this->namespaces['rss2'] . ':IMAGE': - if ($this->insideChannel) $this->insideImage = false; + $this->inside_image = false; break; case 'AUTHOR': case $this->namespaces['rss1'] . ':AUTHOR': case $this->namespaces['rss2'] . ':AUTHOR': case $this->namespaces['atom'] . ':AUTHOR': - $this->authorNumber++; - if ($this->xmldata['feedinfo']['type'] == 'Atom') $this->insideAuthor = false; + $this->author_number++; + $this->inside_author = false; break; case 'CATEGORY': @@ -2722,353 +4351,1098 @@ class SimplePie { case $this->namespaces['rss2'] . ':CATEGORY': case $this->namespaces['atom'] . ':CATEGORY': case $this->namespaces['dc'] . ':SUBJECT': - $this->categoryNumber++; + $this->category_number++; break; case 'ENCLOSURE': case $this->namespaces['rss1'] . ':ENCLOSURE': case $this->namespaces['rss2'] . ':ENCLOSURE': - $this->enclosureNumber++; + $this->enclosure_number++; break; case 'LINK': case $this->namespaces['rss1'] . ':LINK': case $this->namespaces['rss2'] . ':LINK': case $this->namespaces['atom'] . ':LINK': - if ($this->insideItem) - $this->itemLinkNumber++; + if ($this->inside_item) + { + $this->item_link_number++; + } else - $this->linkNumber++; + { + $this->link_number++; + } break; } + if ($this->inside_item) + { + $this->depth_inside_item--; + } } - function startNameSpace($parser, $prefix, $uri = null) { + function start_name_space($parser, $prefix, $uri = null) + { $prefix = strtoupper($prefix); $uri = strtoupper($uri); - if ($prefix == 'ATOM' || $uri == 'HTTP://WWW.W3.ORG/2005/ATOM' || $uri == 'HTTP://PURL.ORG/ATOM/NS#') { + if ($prefix == 'ATOM' || $uri == 'HTTP://WWW.W3.ORG/2005/ATOM' || $uri == 'HTTP://PURL.ORG/ATOM/NS#') + { $this->namespaces['atom'] = $uri; } - else if ($prefix == 'RSS2' || $uri == 'HTTP://BACKEND.USERLAND.COM/RSS2') { + else if ($prefix == 'RSS2' || $uri == 'HTTP://BACKEND.USERLAND.COM/RSS2') + { $this->namespaces['rss2'] = $uri; } - else if ($prefix == 'RDF' || $uri == 'HTTP://WWW.W3.ORG/1999/02/22-RDF-SYNTAX-NS#') { + else if ($prefix == 'RDF' || $uri == 'HTTP://WWW.W3.ORG/1999/02/22-RDF-SYNTAX-NS#') + { $this->namespaces['rdf'] = $uri; } - else if ($prefix == 'RSS' || $uri == 'HTTP://PURL.ORG/RSS/1.0/') { + else if ($prefix == 'RSS' || $uri == 'HTTP://PURL.ORG/RSS/1.0/' || $uri == 'HTTP://MY.NETSCAPE.COM/RDF/SIMPLE/0.9/') + { $this->namespaces['rss1'] = $uri; } - else if ($prefix == 'DC' || $uri == 'HTTP://PURL.ORG/DC/ELEMENTS/1.1/') { + else if ($prefix == 'DC' || $uri == 'HTTP://PURL.ORG/DC/ELEMENTS/1.1/') + { $this->namespaces['dc'] = $uri; } - else if ($prefix == 'XHTML' || $uri == 'HTTP://WWW.W3.ORG/1999/XHTML') { + else if ($prefix == 'XHTML' || $uri == 'HTTP://WWW.W3.ORG/1999/XHTML') + { $this->namespaces['xhtml'] = $uri; $this->xhtml_prefix = $prefix; } - else if ($prefix == 'CONTENT' || $uri == 'HTTP://PURL.ORG/RSS/1.0/MODULES/CONTENT/') { + else if ($prefix == 'CONTENT' || $uri == 'HTTP://PURL.ORG/RSS/1.0/MODULES/CONTENT/') + { $this->namespaces['content'] = $uri; } } - function endNameSpace($parser, $prefix) { - if ($key = array_search(strtoupper($prefix), $this->namespaces)) { - if ($key == 'atom') { + function end_name_space($parser, $prefix) + { + if ($key = array_search(strtoupper($prefix), $this->namespaces)) + { + if ($key == 'atom') + { $this->namespaces['atom'] = 'ATOM'; } - else if ($key == 'rss2') { + else if ($key == 'rss2') + { $this->namespaces['rss2'] = 'RSS'; } - else if ($key == 'rdf') { + else if ($key == 'rdf') + { $this->namespaces['rdf'] = 'RDF'; } - else if ($key == 'rss1') { + else if ($key == 'rss1') + { $this->namespaces['rss1'] = 'RSS'; } - else if ($key == 'dc') { + else if ($key == 'dc') + { $this->namespaces['dc'] = 'DC'; } - else if ($key == 'xhtml') { + else if ($key == 'xhtml') + { $this->namespaces['xhtml'] = 'XHTML'; $this->xhtml_prefix = 'XHTML'; } - else if ($key == 'content') { + else if ($key == 'content') + { $this->namespaces['content'] = 'CONTENT'; } } } } -class SimplePie_Item +class SimplePie_Sanitize { - function SimplePie_Item($id, $title, $description, $category, $author, $date, $links, $enclosure) { - $this->id = $id; - $this->title = $title; - $this->description = $description; - $this->category = $category; - $this->author = $author; - $this->date = $date; - $this->links = $links; - $this->enclosure = $enclosure; - } + // Private vars + var $feedinfo; + var $info; + var $items; + var $feed_xmlbase; + var $item_xmlbase; + var $attribs; + var $cached_entities; + var $cache_convert_entities; - /**************************************************** - PARSE OUT ITEM-RELATED DATA - ****************************************************/ - // Get the id of the item - function get_id() { - return (empty($this->id)) ? false : $this->id; + // Options + var $remove_div = true; + var $strip_ads = false; + var $replace_headers = false; + var $bypass_image_hotlink = false; + var $bypass_image_hotlink_page = false; + 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'); + var $input_encoding = 'UTF-8'; + var $output_encoding = 'UTF-8'; + var $item_class = 'SimplePie_Item'; + var $author_class = 'SimplePie_Author'; + var $enclosure_class = 'SimplePie_Enclosure'; + + function remove_div($enable = true) + { + $this->remove_div = (bool) $enable; } - // Get the title of the item - function get_title() { - return (empty($this->title)) ? false : $this->title; + + function strip_ads($enable = false) + { + $this->strip_ads = (bool) $enable; } - // Get the description of the item - function get_description() { - return (empty($this->description)) ? false : $this->description; + function replace_headers($enable = false) + { + $this->enable_headers = (bool) $enable; } - // Get the category of the item - function get_category() { - return (empty($this->category)) ? false : $this->category; + function bypass_image_hotlink($get = false) + { + if ($get) + { + $this->bypass_image_hotlink = (string) $get; + } + else + { + $this->bypass_image_hotlink = false; + } } - // Get the author of the item - function get_author($key) { - return (empty($this->author[$key])) ? false : $this->author[$key]; + function bypass_image_hotlink_page($page = false) + { + if ($page) + { + $this->bypass_image_hotlink_page = (string) $page; + } + else + { + $this->bypass_image_hotlink_page = false; + } } - // Get the author of the item - function get_authors() { - return (empty($this->author)) ? false : $this->author; + function strip_htmltags($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 + { + $this->strip_htmltags = false; + } } - // Get the date of the item - // Also, allow users to set the format of how dates are displayed on a webpage. - function get_date($date_format = 'j F Y, g:i a') { - return (empty($this->date)) ? false : date($date_format, $this->date); + function encode_instead_of_strip($enable = false) + { + $this->encode_instead_of_strip = (bool) $enable; } - // Get the Permalink of the item - function get_permalink() { - // If there is a link, take it. Fine. - if (!empty($this->links[0])) { - return $this->links[0]; + function strip_attributes($attribs = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur')) + { + if ($attribs) + { + if (is_array($attribs)) + { + $this->strip_attributes = $attribs; + } + else + { + $this->strip_attributes = explode(',', $attribs); + } } - - // If there isn't, check for an enclosure, if that exists, give that. - else if ($this->get_enclosure(0)) { - return $this->get_enclosure(0); + else + { + $this->strip_attributes = false; } - else return false; } - // Get all links - function get_links() { - return (empty($this->links)) ? false : $this->links; + function input_encoding($encoding = 'UTF-8') + { + $this->input_encoding = (string) $encoding; } - // Get the enclosure of the item - function get_enclosure($key) { - return (empty($this->enclosure[$key])) ? false : $this->enclosure[$key]; + function output_encoding($encoding = 'UTF-8') + { + $this->output_encoding = (string) $encoding; } - // Get the enclosure of the item - function get_enclosures() { - return (empty($this->enclosure)) ? false : $this->enclosure; + function set_item_class($class = 'SimplePie_Item') + { + if (SimplePie_Misc::is_a_class($class, 'SimplePie_Item')) + { + $this->item_class = $class; + return true; + } + return false; } + function set_author_class($class = 'SimplePie_Author') + { + if (SimplePie_Misc::is_a_class($class, 'SimplePie_Author')) + { + $this->author_class = $class; + return true; + } + return false; + } + function set_enclosure_class($class = 'SimplePie_Enclosure') + { + if (SimplePie_Misc::is_a_class($class, 'SimplePie_Enclosure')) + { + $this->enclosure_class = $class; + return true; + } + return false; + } + function parse_data_array(&$data, $url) + { + // Feed Info (Type and Version) + if (!empty($data['feedinfo']['type'])) + { + $this->feedinfo = $data['feedinfo']; + } - /**************************************************** - "ADD TO" LINKS - Allows people to easily add news postings to social bookmarking sites. - ****************************************************/ - function add_to_blinklist() { - return "http://www.blinklist.com/index.php?Action=Blink/addblink.php&Description=&Url=" . rawurlencode($this->get_permalink()) . "&Title=" . rawurlencode($this->get_title()); - } + // Feed level xml:base + if (!empty($data['feeddata']['attribs']['XML:BASE'])) + { + $this->feed_xmlbase = $data['feeddata']['attribs']['XML:BASE']; + } + else if (!empty($data['feeddata']['attribs']['HTTP://WWW.W3.ORG/XML/1998/NAMESPACE:BASE'])) + { + $this->feed_xmlbase = $data['feeddata']['attribs']['HTTP://WWW.W3.ORG/XML/1998/NAMESPACE:BASE']; + } + // FeedBurner feeds use alternate link + else if (strpos($url, 'http://feeds.feedburner.com/') !== 0) + { + $this->feed_xmlbase = SimplePie_Misc::parse_url($url); + if (empty($this->feed_xmlbase['authority'])) + { + $this->feed_xmlbase = preg_replace('/^' . preg_quote(realpath($_SERVER['DOCUMENT_ROOT']), '/') . '/', '', realpath($url)); + } + else + { + $this->feed_xmlbase = $url; + } + } - function add_to_delicious() { - return "http://del.icio.us/post/?v=3&url=" . rawurlencode($this->get_permalink()) . "&title=" . rawurlencode($this->get_title()); - } - function add_to_digg() { - return "http://digg.com/submit?phase=2&URL=" . rawurlencode($this->get_permalink()); - } + // Feed link(s) + if (!empty($data['info']['link'])) + { + foreach ($data['info']['link'] as $link) + { + if (empty($link['attribs']['REL'])) + { + $rel = 'alternate'; + } + else + { + $rel = strtolower($link['attribs']['REL']); + } + if ($rel == 'enclosure') + { + $href = null; + $type = null; + $length = null; + if (!empty($link['data'])) + { + $href = $this->sanitize($link['data'], $link['attribs'], true); + } + else if (!empty($link['attribs']['HREF'])) + { + $href = $this->sanitize($link['attribs']['HREF'], $link['attribs'], true); + } + if (!empty($link['attribs']['TYPE'])) { + $type = $this->sanitize($link['attribs']['TYPE'], $link['attribs']); + } + if (!empty($link['attribs']['LENGTH'])) { + $length = $this->sanitize($link['attribs']['LENGTH'], $link['attribs']); + } + $this->info['link']['enclosure'][] = new $this->enclosure_class($href, $type, $length); + } + else + { + if (!empty($link['data'])) + { + $this->info['link'][$rel][] = $this->sanitize($link['data'], $link['attribs'], true); + } + else if (!empty($link['attribs']['HREF'])) + { + $this->info['link'][$rel][] = $this->sanitize($link['attribs']['HREF'], $link['attribs'], true); + } + } + } + } - function add_to_furl() { - return "http://www.furl.net/storeIt.jsp?u=" . rawurlencode($this->get_permalink()) . "&t=" . rawurlencode($this->get_title()); - } + // Use the first alternate link if we don't have any feed xml:base + if (empty($this->feed_xmlbase) && !empty($this->info['link']['alternate'][0])) + { + $this->feed_xmlbase = $this->info['link']['alternate'][0]; + } - function add_to_magnolia() { - return "http://ma.gnolia.com/bookmarklet/add?url=" . rawurlencode($this->get_permalink()) . "&title=" . rawurlencode($this->get_title()); - } + // Feed Title + if (!empty($data['info']['title']['data'])) + { + $this->info['title'] = $this->sanitize($data['info']['title']['data'], $data['info']['title']['attribs']); + } - function add_to_myweb20() { - return "http://myweb2.search.yahoo.com/myresults/bookmarklet?u=" . rawurlencode($this->get_permalink()) . "&t=" . rawurlencode($this->get_title()); - } + // Feed Descriptions + if (!empty($data['info']['description']['data'])) + { + $this->info['description'] = $this->sanitize($data['info']['description']['data'], $data['info']['description']['attribs'], false, true); + } + if (!empty($data['info']['dc:description']['data'])) + { + $this->info['dc:description'] = $this->sanitize($data['info']['dc:description']['data'], $data['info']['dc:description']['attribs']); + } + if (!empty($data['info']['tagline']['data'])) + { + $this->info['tagline'] = $this->sanitize($data['info']['tagline']['data'], $data['info']['tagline']['attribs']); + } + if (!empty($data['info']['subtitle']['data'])) + { + $this->info['subtitle'] = $this->sanitize($data['info']['subtitle']['data'], $data['info']['subtitle']['attribs']); + } - function add_to_newsvine() { - return "http://www.newsvine.com/_wine/save?u=" . rawurlencode($this->get_permalink()) . "&h=" . rawurlencode($this->get_title()); - } + // Feed Language + if (!empty($data['info']['language']['data'])) + { + $this->info['language'] = $this->sanitize($data['info']['language']['data'], $data['info']['language']['attribs']); + } + if (!empty($data['feeddata']['attribs']['XML:LANG'])) + { + $this->info['xml:lang'] = $this->sanitize($data['feeddata']['attribs']['XML:LANG'], null); + } + else if (!empty($data['feeddata']['attribs']['HTTP://WWW.W3.ORG/XML/1998/NAMESPACE:LANG'])) + { + $this->info['xml:lang'] = $this->sanitize($data['feeddata']['attribs']['HTTP://WWW.W3.ORG/XML/1998/NAMESPACE:LANG'], null); + } - function add_to_reddit() { - return 'http://reddit.com/submit?url=' . rawurlencode($this->get_permalink()) . "&title=" . rawurlencode($this->get_title()); - } + // Feed Copyright + if (!empty($data['info']['copyright']['data'])) + { + $this->info['copyright'] = $this->sanitize($data['info']['copyright']['data'], $data['info']['copyright']['attribs']); + } - function add_to_spurl() { - return "http://www.spurl.net/spurl.php?v=3&url=" . rawurlencode($this->get_permalink()) . "&title=" . rawurlencode($this->get_title()); - } + // Feed Image + if (!empty($data['info']['image']['title']['data'])) + { + $this->info['image']['title'] = $this->sanitize($data['info']['image']['title']['data'], $data['info']['image']['title']['attribs']); + } + if (!empty($data['info']['image']['url']['data'])) + { + $this->info['image']['url'] = $this->sanitize($data['info']['image']['url']['data'], $data['info']['image']['url']['attribs'], true); + } + if (!empty($data['info']['logo']['data'])) + { + $this->info['image']['logo'] = $this->sanitize($data['info']['logo']['data'], $data['info']['logo']['attribs'], true); + } + if (!empty($data['info']['image']['link']['data'])) + { + $this->info['image']['link'] = $this->sanitize($data['info']['image']['link']['data'], $data['info']['image']['link']['attribs'], true); + } + if (!empty($data['info']['image']['width']['data'])) + { + $this->info['image']['width'] = $this->sanitize($data['info']['image']['width']['data'], $data['info']['image']['width']['attribs']); + } + if (!empty($data['info']['image']['height']['data'])) + { + $this->info['image']['height'] = $this->sanitize($data['info']['image']['height']['data'], $data['info']['image']['height']['attribs']); + } + // Items + if (!empty($data['items'])) + { + foreach ($data['items'] as $key => $item) + { + $newitem = null; + // Item level xml:base + if (!empty($item['attribs']['XML:BASE'])) + { + $this->item_xmlbase = SimplePie_Misc::absolutize_url($item['attribs']['XML:BASE'], $this->feed_xmlbase); + } + else if (!empty($item['attribs']['HTTP://WWW.W3.ORG/XML/1998/NAMESPACE:BASE'])) + { + $this->item_xmlbase = SimplePie_Misc::absolutize_url($item['attribs']['HTTP://WWW.W3.ORG/XML/1998/NAMESPACE:BASE'], $this->feed_xmlbase); + } + else + { + $this->item_xmlbase = null; + } + // Title + if (!empty($item['title']['data'])) { + $newitem['title'] = $this->sanitize($item['title']['data'], $item['title']['attribs']); + } + if (!empty($item['dc:title']['data'])) + { + $newitem['dc:title'] = $this->sanitize($item['dc:title']['data'], $item['dc:title']['attribs']); + } - /**************************************************** - SEARCHES - Metadata searches - ****************************************************/ - function search_technorati() { - return 'http://www.technorati.com/search/' . rawurlencode($this->get_permalink()); - } -} + // Description + if (!empty($item['content']['data'])) + { + $newitem['content'] = $this->sanitize($item['content']['data'], $item['content']['attribs']); + } + if (!empty($item['encoded']['data'])) + { + $newitem['encoded'] = $this->sanitize($item['encoded']['data'], $item['encoded']['attribs']); + } + if (!empty($item['summary']['data'])) + { + $newitem['summary'] = $this->sanitize($item['summary']['data'], $item['summary']['attribs']); + } + if (!empty($item['description']['data'])) + { + $newitem['description'] = $this->sanitize($item['description']['data'], $item['description']['attribs'], false, true); + } + if (!empty($item['dc:description']['data'])) + { + $newitem['dc:description'] = $this->sanitize($item['dc:description']['data'], $item['dc:description']['attribs']); + } + if (!empty($item['longdesc']['data'])) + { + $newitem['longdesc'] = $this->sanitize($item['longdesc']['data'], $item['longdesc']['attribs']); + } -class SimplePie_Author -{ - var $name; - var $link; - var $email; + // Link(s) + if (!empty($item['link'])) + { + foreach ($item['link'] as $link) + { + if (empty($link['attribs']['REL'])) + { + $rel = 'alternate'; + } + else + { + $rel = strtolower($link['attribs']['REL']); + } + if ($rel == 'enclosure') + { + $href = null; + $type = null; + $length = null; + if (!empty($link['data'])) + { + $href = $this->sanitize($link['data'], $link['attribs'], true); + } + else if (!empty($link['attribs']['HREF'])) + { + $href = $this->sanitize($link['attribs']['HREF'], $link['attribs'], true); + } + if (!empty($link['attribs']['TYPE'])) { + $type = $this->sanitize($link['attribs']['TYPE'], $link['attribs']); + } + if (!empty($link['attribs']['LENGTH'])) { + $length = $this->sanitize($link['attribs']['LENGTH'], $link['attribs']); + } + if (!empty($href)) + { + $newitem['link'][$rel][] = new $this->enclosure_class($href, $type, $length); + } + } + else + { + if (!empty($link['data'])) + { + $newitem['link'][$rel][] = $this->sanitize($link['data'], $link['attribs'], true); + } + else if (!empty($link['attribs']['HREF'])) + { + $newitem['link'][$rel][] = $this->sanitize($link['attribs']['HREF'], $link['attribs'], true); + } + } + } + } - // Constructor, used to input the data - function SimplePie_Author($name, $link, $email) { - $this->name = $name; - $this->link = $link; - $this->email = $email; - } + // Enclosure(s) + if (!empty($item['enclosure'])) + { + foreach ($item['enclosure'] as $enclosure) + { + if (!empty($enclosure['attribs']['URL'])) + { + $type = null; + $length = null; + $href = $this->sanitize($enclosure['attribs']['URL'], $enclosure['attribs'], true); + if (!empty($enclosure['attribs']['TYPE'])) + { + $type = $this->sanitize($enclosure['attribs']['TYPE'], $enclosure['attribs']); + } + if (!empty($enclosure['attribs']['LENGTH'])) + { + $length = $this->sanitize($enclosure['attribs']['LENGTH'], $enclosure['attribs']); + } + $newitem['enclosures'][] = new $this->enclosure_class($href, $type, $length); + } + } + } - function get_name() { - return (empty($this->name)) ? false : $this->name; - } + // ID + if (!empty($item['guid']['data'])) + { + if (!empty($item['guid']['attribs']['ISPERMALINK']) && strtolower($item['guid']['attribs']['ISPERMALINK']) == 'false') + { + $newitem['guid']['permalink'] = false; + } + else + { + $newitem['guid']['permalink'] = true; + } + $newitem['guid']['data'] = $this->sanitize($item['guid']['data'], $item['guid']['attribs']); + } + if (!empty($item['id']['data'])) + { + $newitem['id'] = $this->sanitize($item['id']['data'], $item['id']['attribs']); + } - function get_link() { - return (empty($this->link)) ? false : $this->link; - } + // Date + if (!empty($item['pubdate']['data'])) + { + $newitem['pubdate'] = $this->parse_date($this->sanitize($item['pubdate']['data'], $item['pubdate']['attribs'])); + } + if (!empty($item['dc:date']['data'])) + { + $newitem['dc:date'] = $this->parse_date($this->sanitize($item['dc:date']['data'], $item['dc:date']['attribs'])); + } + if (!empty($item['issued']['data'])) + { + $newitem['issued'] = $this->parse_date($this->sanitize($item['issued']['data'], $item['issued']['attribs'])); + } + if (!empty($item['published']['data'])) + { + $newitem['published'] = $this->parse_date($this->sanitize($item['published']['data'], $item['published']['attribs'])); + } + if (!empty($item['modified']['data'])) + { + $newitem['modified'] = $this->parse_date($this->sanitize($item['modified']['data'], $item['modified']['attribs'])); + } + if (!empty($item['updated']['data'])) + { + $newitem['updated'] = $this->parse_date($this->sanitize($item['updated']['data'], $item['updated']['attribs'])); + } - function get_email() { - return (empty($this->email)) ? false : $this->email; + // Categories + if (!empty($item['category'])) + { + foreach ($item['category'] as $category) + { + if (!empty($category['data'])) + { + $newitem['category'][] = $this->sanitize($category['data'], $category['attribs']); + } + else if (!empty($category['attribs']['TERM'])) + { + $newitem['term'][] = $this->sanitize($category['attribs']['TERM'], $category['attribs']); + } + } + } + if (!empty($item['subject'])) + { + foreach ($item['subject'] as $category) + { + if (!empty($category['data'])) + { + $newitem['subject'][] = $this->sanitize($category['data'], $category['attribs']); + } + } + } + + // Author + if (!empty($item['creator'])) + { + foreach ($item['creator'] as $creator) + { + if (!empty($creator['data'])) + { + $newitem['creator'][] = new $this->author_class($this->sanitize($creator['data'], $creator['attribs']), null, null); + } + } + } + if (!empty($item['author'])) + { + foreach ($item['author'] as $author) + { + $name = null; + $link = null; + $email = null; + if (!empty($author['rss'])) + { + $sane = $this->sanitize($author['rss']['data'], $author['rss']['attribs']); + if (preg_match('/(.*)@(.*) \((.*)\)/msiU', $sane, $matches)) { + $name = trim($matches[3]); + $email = trim("$matches[1]@$matches[2]"); + } else { + $email = $sane; + } + } + else + { + if (!empty($author['name'])) + { + $name = $this->sanitize($author['name']['data'], $author['name']['attribs']); + } + if (!empty($author['url'])) + { + $link = $this->sanitize($author['url']['data'], $author['url']['attribs'], true); + } + else if (!empty($author['uri'])) + { + $link = $this->sanitize($author['uri']['data'], $author['uri']['attribs'], true); + } + else if (!empty($author['homepage'])) + { + $link = $this->sanitize($author['homepage']['data'], $author['homepage']['attribs'], true); + } + if (!empty($author['email'])) { + $email = $this->sanitize($author['email']['data'], $author['email']['attribs']); + } + } + $newitem['author'][] = new $this->author_class($name, $link, $email); + } + } + unset($data['items'][$key]); + $this->items[] = new $this->item_class($newitem); + } + } } -} -class SimplePie_Enclosure -{ - var $link; - var $type; - var $length; + function sanitize($data, $attribs, $is_url = false, $force_decode = false) + { + $this->attribs = $attribs; + if (isset($this->feedinfo['type']) && $this->feedinfo['type'] == 'Atom') + { + if ((!empty($attribs['MODE']) && $attribs['MODE'] == 'base64') || (!empty($attribs['TYPE']) && $attribs['TYPE'] == 'application/octet-stream')) + { + $data = trim($data); + $data = base64_decode($data); + } + else if ((!empty($attribs['MODE']) && $attribs['MODE'] == 'escaped' || !empty($attribs['TYPE']) && ($attribs['TYPE'] == 'html' || $attribs['TYPE'] == 'text/html'))) + { + $data = $this->entities_decode($data); + } + if (!empty($attribs['TYPE']) && ($attribs['TYPE'] == 'xhtml' || $attribs['TYPE'] == 'application/xhtml+xml')) + { + if ($this->remove_div) + { + $data = preg_replace('/<div( .*)?>/msiU', '', strrev(preg_replace('/>vid\/</i', '', strrev($data), 1)), 1); + } + else + { + $data = preg_replace('/<div( .*)?>/msiU', '<div>', $data, 1); + } + $data = $this->convert_entities($data); + } + } + else + { + $data = $this->convert_entities($data); + } + if ($force_decode) + { + $data = $this->entities_decode($data); + } + $data = trim($data); + $data = preg_replace('/<\!--([^-]|-[^-])*-->/msiU', '', $data); - // Constructor, used to input the data - function SimplePie_Enclosure($link, $type, $length) { - $this->link = $link; - $this->type = $type; - $this->length = $length; - } + // If Strip Ads is enabled, strip them. + if ($this->strip_ads) + { + $data = preg_replace('/<a (.*)href=(.*)click\.phdo\?s=(.*)<\/a>/msiU', '', $data); // Pheedo links (tested with Dooce.com) + $data = preg_replace('/<p(.*)>(.*)<a href="http:\/\/ad.doubleclick.net\/jump\/(.*)<\/p>/msiU', '', $data); // Doubleclick links (tested with InfoWorld.com) + $data = preg_replace('/<p><map (.*)name=(.*)google_ad_map(.*)<\/p>/msiU', '', $data); // Google AdSense for Feeds (tested with tuaw.com). + // Feedflare, from Feedburner + } - function get_link() { - return (empty($this->link)) ? false : $this->link; - } + // Replace H1, H2, and H3 tags with the less important H4 tags. + // This is because on a site, the more important headers might make sense, + // but it most likely doesn't fit in the context of RSS-in-a-webpage. + if ($this->replace_headers) + { + $data = preg_replace('/<h[1-3]((\s*((\w+:)?\w+)\s*=\s*("([^"]*)"|\'([^\']*)\'|(.*)))*)\s*>/msiU', '<h4\\1>', $data); + $data = preg_replace('/<\/h[1-3]>/i', '</h4>', $data); + } - function get_extension() { - if (!empty($this->link)) { - return pathinfo($this->link, PATHINFO_EXTENSION); - } else { - return false; + if ($is_url) + { + $data = $this->replace_urls($data, true); + } + else + { + $data = preg_replace_callback('/<(\S+)((\s*((\w+:)?\w+)\s*=\s*("([^"]*)"|\'([^\']*)\'|(.*)))*)\s*(\/>|>(.*)<\/\S+>)/msiU', array(&$this, 'replace_urls'), $data); + } + + // If Bypass Image Hotlink is enabled, rewrite all the image tags. + if ($this->bypass_image_hotlink) + { + $images = SimplePie_Misc::get_element('img', $data); + foreach ($images as $img) + { + if (!empty($img['attribs']['SRC']['data'])) + { + $pre = ''; + if ($this->bypass_image_hotlink_page) + { + $pre = $this->bypass_image_hotlink_page; + } + $pre .= "?$this->bypass_image_hotlink="; + $img['attribs']['SRC']['data'] = $pre . rawurlencode(strtr($img['attribs']['SRC']['data'], array_flip(get_html_translation_table(HTML_SPECIALCHARS, ENT_QUOTES)))); + $data = str_replace($img['full'], SimplePie_Misc::element_implode($img), $data); + } + } } + + // Strip out HTML tags and attributes that might cause various security problems. + // Based on recommendations by Mark Pilgrim at: + // http://diveintomark.org/archives/2003/06/12/how_to_consume_rss_safely + if ($this->strip_htmltags) + { + foreach ($this->strip_htmltags as $tag) + { + $data = preg_replace_callback("/<($tag)((\s*((\w+:)?\w+)(\s*=\s*(\"([^\"]*)\"|'([^']*)'|(.*)))?)*)\s*(\/>|>(.*)<\/($tag)((\s*((\w+:)?\w+)(\s*=\s*(\"([^\"]*)\"|'([^']*)'|(.*)))?)*)\s*>)/msiU", array(&$this, 'do_strip_htmltags'), $data); + } + } + + if ($this->strip_attributes) + { + foreach ($this->strip_attributes as $attrib) + { + $data = preg_replace('/ '. trim($attrib) .'=("|")(\w|\s|=|-|:|;|\/|\.|\?|&|,|#|!|\(|\)|\'|'|<|>|\+|{|})*("|")/i', '', $data); + $data = preg_replace('/ '. trim($attrib) .'=(\'|')(\w|\s|=|-|:|;|\/|\.|\?|&|,|#|!|\(|\)|"|"|<|>|\+|{|})*(\'|')/i', '', $data); + $data = preg_replace('/ '. trim($attrib) .'=(\w|\s|=|-|:|;|\/|\.|\?|&|,|#|!|\(|\)|\+|{|})*/i', '', $data); + } + } + + // Convert encoding + $data = SimplePie_Misc::change_encoding($data, $this->input_encoding, $this->output_encoding); + + return $data; } - function get_type() { - return (empty($this->type)) ? false : $this->type; + function do_strip_htmltags($match) + { + if ($this->encode_instead_of_strip) + { + if (isset($match[12]) && !in_array(strtolower($match[1]), array('script', 'style'))) + { + return "<$match[1]$match[2]>$match[12]</$match[1]>"; + } + else if (isset($match[12])) + { + return "<$match[1]$match[2]></$match[1]>"; + } + else + { + return "<$match[1]$match[2]/>"; + } + } + else + { + if (isset($match[12]) && !in_array(strtolower($match[1]), array('script', 'style'))) + { + return $match[12]; + } + else + { + return ''; + } + } } - function get_length() { - return (empty($this->length)) ? false : $this->length; + function replace_urls($data, $raw_url = false) + { + if (!empty($this->attribs['XML:BASE'])) + { + $xmlbase = $attribs['XML:BASE']; + } + else if (!empty($this->attribs['HTTP://WWW.W3.ORG/XML/1998/NAMESPACE:BASE'])) + { + $xmlbase = $this->attribs['HTTP://WWW.W3.ORG/XML/1998/NAMESPACE:BASE']; + } + if (!empty($xmlbase)) + { + if (!empty($this->item_xmlbase)) + { + $xmlbase = SimplePie_Misc::absolutize_url($xmlbase, $this->item_xmlbase); + } + else + { + $xmlbase = SimplePie_Misc::absolutize_url($xmlbase, $this->feed_xmlbase); + } + } + else if (!empty($this->item_xmlbase)) + { + $xmlbase = $this->item_xmlbase; + } + else + { + $xmlbase = $this->feed_xmlbase; + } + + if ($raw_url) + { + return SimplePie_Misc::absolutize_url($data, $xmlbase); + } + else + { + $attributes = array( + 'background', + 'href', + 'src', + 'longdesc', + 'usemap', + 'codebase', + 'data', + 'classid', + 'cite', + 'action', + 'profile', + 'for' + ); + foreach ($attributes as $attribute) + { + if (preg_match("/$attribute='(.*)'/siU", $data[0], $attrib) || preg_match("/$attribute=\"(.*)\"/siU", $data[0], $attrib) || preg_match("/$attribute=(.*)[ |\/|>]/siU", $data[0], $attrib)) + { + $new_tag = str_replace($attrib[1], SimplePie_Misc::absolutize_url($attrib[1], $xmlbase), $attrib[0]); + $data[0] = str_replace($attrib[0], $new_tag, $data[0]); + } + } + return $data[0]; + } } - function get_size() { - return (empty($this->length)) ? false : round(($this->length/1048576), 2); + function entities_decode($data) + { + return preg_replace_callback('/&(#)?(x)?([0-9a-z]+);/mi', array(&$this, 'do_entites_decode'), $data); } - function embed($options) { + function do_entites_decode($data) + { + if (isset($this->cached_entities[$data[0]])) + { + return $this->cached_entities[$data[0]]; + } + else + { + $return = SimplePie_Misc::change_encoding(html_entity_decode($data[0], ENT_QUOTES), 'ISO-8859-1', $this->input_encoding); + if ($return == $data[0]) + { + $return = SimplePie_Misc::change_encoding(preg_replace_callback('/&#([x]?[0-9a-f]+);/mi', array(&$this, 'replace_num_entity'), $data[0]), 'UTF-8', $this->input_encoding); + } + $this->cached_entities[$data[0]] = $return; + return $return; + } + } - // Set up defaults - $audio=''; - $video=''; - $alt=''; - $altclass=''; - $loop='false'; - $width='auto'; - $height='auto'; - $bgcolor='#ffffff'; - $embed=''; + function convert_entities($data) + { + return preg_replace_callback('/&#(x)?([0-9a-z]+);/mi', array(&$this, 'do_convert_entities'), $data); + } - // Process options and reassign values as necessary - $options = explode(',', $options); - foreach($options as $option) { - $opt = explode(':', trim($option)); - if ($opt[0] == 'audio') $audio=$opt[1]; - else if ($opt[0] == 'video') $video=$opt[1]; - else if ($opt[0] == 'alt') $alt=$opt[1]; - else if ($opt[0] == 'altclass') $altclass=$opt[1]; - else if ($opt[0] == 'loop') $loop=$opt[1]; - else if ($opt[0] == 'width') $width=$opt[1]; - else if ($opt[0] == 'height') $height=$opt[1]; - else if ($opt[0] == 'bgcolor') $bgcolor=$opt[1]; + function do_convert_entities($data) + { + if (isset($this->cache_convert_entities[$data[0]])) + { + return $this->cache_convert_entities[$data[0]]; + } + else if (isset($this->cached_entities[$data[0]])) + { + $return = htmlentities($this->cached_entities[$data[0]], ENT_QUOTES, 'UTF-8'); + } + else + { + $return = htmlentities(preg_replace_callback('/&#([x]?[0-9a-f]+);/mi', array(&$this, 'replace_num_entity'), $data[0]), ENT_QUOTES, 'UTF-8'); } + $this->cache_convert_entities[$data[0]] = $return; + return $return; + } - // Process values for 'auto' - if ($width == 'auto') { - if (stristr($this->type, 'audio/')) $width='100%'; - else if (stristr($this->type, 'video/')) $width='320'; - else $width='100%'; + /* + * Escape numeric entities + * From a PHP Manual note (on html_entity_decode()) + * Copyright (c) 2005 by "php dot net at c dash ovidiu dot tk", + * "emilianomartinezluque at yahoo dot com" and "hurricane at cyberworldz dot org". + * + * This material may be distributed only subject to the terms and conditions set forth in + * the Open Publication License, v1.0 or later (the latest version is presently available at + * http://www.opencontent.org/openpub/). + */ + function replace_num_entity($ord) + { + $ord = $ord[1]; + if (preg_match('/^x([0-9a-f]+)$/i', $ord, $match)) + { + $ord = hexdec($match[1]); } - if ($height == 'auto') { - if (stristr($this->type, 'audio/')) $height=0; - else if (stristr($this->type, 'video/')) $height=240; - else $height=256; + else + { + $ord = intval($ord); } - // Set proper placeholder value - if (stristr($this->type, 'audio/')) $placeholder=$audio; - else if (stristr($this->type, 'video/')) $placeholder=$video; + $no_bytes = 0; + $byte = array(); + if ($ord < 128) + { + return chr($ord); + } + if ($ord < 2048) + { + $no_bytes = 2; + } + else if ($ord < 65536) + { + $no_bytes = 3; + } + else if ($ord < 1114112) + { + $no_bytes = 4; + } + else + { + return; + } + switch ($no_bytes) + { + case 2: + $prefix = array(31, 192); + break; - // Make sure the JS library is included - // (I know it'll be included multiple times, but I can't think of a better way to do this automatically) - $embed.='<script type="text/javascript" src="?js"></script>'; + case 3: + $prefix = array(15, 224); + break; - // Odeo Feed MP3's - if (substr(strtolower($this->link), 0, 15) == 'http://odeo.com') { - $embed.='<script type="text/javascript">embed_odeo("'.$this->link.'");</script>'; + case 4: + $prefix = array(7, 240); + break; } - // QuickTime 7 file types. Need to test with QuickTime 6. - else if ($this->type == 'audio/3gpp' || $this->type == 'audio/3gpp2' || $this->type == 'audio/aac' || $this->type == 'audio/x-aac' || $this->type == 'audio/aiff' || $this->type == 'audio/x-aiff' || $this->type == 'audio/mid' || $this->type == 'audio/midi' || $this->type == 'audio/x-midi' || $this->type == 'audio/mpeg' || $this->type == 'audio/x-mpeg' || $this->type == 'audio/mp3' || $this->type == 'x-audio/mp3' || $this->type == 'audio/mp4' || $this->type == 'audio/m4a' || $this->type == 'audio/x-m4a' || $this->type == 'audio/wav' || $this->type == 'audio/x-wav' || $this->type == 'video/3gpp' || $this->type == 'video/3gpp2' || $this->type == 'video/m4v' || $this->type == 'video/x-m4v' || $this->type == 'video/mp4' || $this->type == 'video/mpeg' || $this->type == 'video/x-mpeg' || $this->type == 'video/quicktime' || $this->type == 'video/sd-video') { - $height+=16; - $embed.='<script type="text/javascript">embed_quicktime("'.$this->type.'", "'.$bgcolor.'", "'.$width.'", "'.$height.'", "'.$this->link.'", "'.$placeholder.'", "'.$loop.'");</script>'; + for ($i = 0; $i < $no_bytes; $i++) + { + $byte[$no_bytes-$i-1] = (($ord & (63 * pow(2,6*$i))) / pow(2,6*$i)) & 63 | 128; } + $byte[0] = ($byte[0] & $prefix[0]) | $prefix[1]; - // Flash - else if ($this->type == 'application/x-shockwave-flash' || $this->type == 'application/futuresplash') { - $embed.='<script type="text/javascript">embed_flash("'.$bgcolor.'", "'.$width.'", "'.$height.'", "'.$this->link.'", "'.$loop.'", "'.$this->type.'");</script>'; + $ret = ''; + for ($i = 0; $i < $no_bytes; $i++) + { + $ret .= chr($byte[$i]); } + return $ret; + } - // Windows Media - else if ($this->type == 'application/asx' || $this->type == 'application/x-mplayer2' || $this->type == 'audio/x-ms-wma' || $this->type == 'audio/x-ms-wax' || $this->type == 'video/x-ms-asf-plugin' || $this->type == 'video/x-ms-asf' || $this->type == 'video/x-ms-wm' || $this->type == 'video/x-ms-wmv' || $this->type == 'video/x-ms-wvx') { - $height+=45; - $embed.='<script type="text/javascript">embed_wmedia("'.$width.'", "'.$height.'", "'.$this->link.'");</script>'; + function parse_date($date) + { + $military_timezone = array('A' => '-0100', 'B' => '-0200', 'C' => '-0300', 'D' => '-0400', 'E' => '-0500', 'F' => '-0600', 'G' => '-0700', 'H' => '-0800', 'I' => '-0900', 'K' => '-1000', 'L' => '-1100', 'M' => '-1200', 'N' => '+0100', 'O' => '+0200', 'P' => '+0300', 'Q' => '+0400', 'R' => '+0500', 'S' => '+0600', 'T' => '+0700', 'U' => '+0800', 'V' => '+0900', 'W' => '+1000', 'X' => '+1100', 'Y' => '+1200', 'Z' => '-0000'); + $north_american_timezone = array('GMT' => '-0000', 'EST' => '-0500', 'EDT' => '-0400', 'CST' => '-0600', 'CDT' => '-0500', 'MST' => '-0700', 'MDT' => '-0600', 'PST' => '-0800', 'PDT' => '-0700'); + if (preg_match('/([0-9]{2,4})-?([0-9]{2})-?([0-9]{2})T([0-9]{2}):?([0-9]{2})(:?([0-9]{2}(\.[0-9]*)?))?(UT|GMT|EST|EDT|CST|CDT|MST|MDT|PST|PDT|[a-z]|(\\+|-)[0-9]{4}|(\\+|-)[0-9]{2}:[0-9]{2})?/i', $date, $matches)) + { + if (!isset($matches[7])) + { + $matches[7] = ''; + } + if (!isset($matches[9])) + { + $matches[9] = ''; + } + $matches[7] = str_pad(round($matches[7]), 2, '0', STR_PAD_LEFT); + switch (strlen($matches[9])) + { + case 0: + $timezone = ''; + break; + + case 1: + $timezone = $military_timezone[strtoupper($matches[9])]; + break; + + case 2: + $timezone = '-0000'; + break; + + case 3: + $timezone = $north_american_timezone[strtoupper($matches[9])]; + break; + + case 5: + $timezone = $matches[9]; + break; + + case 6: + $timezone = substr_replace($matches[9], '', 3, 1); + break; + } + $date = strtotime("$matches[1]-$matches[2]-$matches[3] $matches[4]:$matches[5]:$matches[7] $timezone"); } + else if (preg_match('/([0-9]{1,2})\s*(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s*([0-9]{2}|[0-9]{4})\s*([0-9]{2}):([0-9]{2})(:([0-9]{2}(\.[0-9]*)?))?\s*(UT|GMT|EST|EDT|CST|CDT|MST|MDT|PST|PDT|[a-z]|(\\+|-)[0-9]{4}|(\\+|-)[0-9]{2}:[0-9]{2})?/i', $date, $matches)) + { + $three_month = array('Jan' => 1, 'Feb' => 2, 'Mar' => 3, 'Apr' => 4, 'May' => 5, 'Jun' => 6, 'Jul' => 7, 'Aug' => 8, 'Sep' => 9, 'Oct' => 10, 'Nov' => 11, 'Dec' => 12); + $month = $three_month[$matches[2]]; + if (strlen($matches[3]) == 2) + { + $year = ($matches[3] < 70) ? "20$matches[3]" : "19$matches[3]"; + } + else + { + $year = $matches[3]; + } + if (!isset($matches[7])) + { + $matches[7] = ''; + } + if (!isset($matches[9])) + { + $matches[9] = ''; + } + $second = str_pad(round($matches[7]), 2, '0', STR_PAD_LEFT); + switch (strlen($matches[9])) + { + case 0: + $timezone = ''; + break; - // Everything else - else $embed.='<a href="' . $this->link . '" class="' . $altclass . '">' . $alt . '</a>'; + case 1: + $timezone = $military_timezone[strtoupper($matches[9])]; + break; - return $embed; + case 2: + $timezone = '-0000'; + break; + + case 3: + $timezone = $north_american_timezone[strtoupper($matches[9])]; + break; + + case 5: + $timezone = $matches[9]; + break; + + case 6: + $timezone = substr_replace($matches[9], '', 3, 1); + break; + } + $date = strtotime("$year-$month-$matches[1] $matches[4]:$matches[5]:$second $timezone"); + } + else + { + $date = strtotime($date); + } + if ($date !== false && $date !== -1) + { + return $date; + } + else + { + return false; + } } } |