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+<?php
+namespace Bitweaver\Rss;
+
+use Bitweaver\KernelTools;
+
+/**
+ * @version $Header$
+ * @package rss
+ */
+/***************************************************************************
+FeedCreator class v1.8.0-dev (development)
+http://feedcreator.org
+maintained by Mohammad Hafiz bin Ismail (info@mypapit.net)
+feedcreator.org
+
+originally (c) Kai Blankenhorn
+www.bitfolge.de
+kaib@bitfolge.de
+
+
+v1.3 work by Scott Reynen (scott@randomchaos.com) and Kai Blankenhorn
+v1.5 OPML support by Dirk Clemens
+v1.7.2-mod on-the-fly feed generation by Fabian Wolf (info@f2w.de)
+v1.7.2-ppt ATOM 1.0 support by Mohammad Hafiz bin Ismail (mypapit@gmail.com)
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+****************************************************************************
+
+
+Changelog:
+
+v1.7.2 10-11-04
+ license changed to LGPL
+
+v1.7.1
+ fixed a syntax bug
+ fixed left over debug code
+
+v1.7 07-18-04
+ added HTML and JavaScript feeds (configurable via CSS) (thanks to Pascal Van Hecke)
+ added HTML descriptions for all feed formats (thanks to Pascal Van Hecke)
+ added a switch to select an external stylesheet (thanks to Pascal Van Hecke)
+ changed default content-type to application/xml
+ added character encoding setting
+ fixed numerous smaller bugs (thanks to S�en Fuhrmann of golem.de)
+ improved changing ATOM versions handling (thanks to August Trometer)
+ improved the UniversalFeedCreator's useCached method (thanks to S�en Fuhrmann of golem.de)
+ added charset output in HTTP headers (thanks to S�en Fuhrmann of golem.de)
+ added Slashdot namespace to RSS 1.0 (thanks to S�en Fuhrmann of golem.de)
+
+v1.6 05-10-04
+ added stylesheet to RSS 1.0 feeds
+ fixed generator comment (thanks Kevin L. Papendick and Tanguy Pruvot)
+ fixed RFC822 date bug (thanks Tanguy Pruvot)
+ added TimeZone customization for RFC8601 (thanks Tanguy Pruvot)
+ fixed Content-type could be empty (thanks Tanguy Pruvot)
+ fixed author/creator in RSS1.0 (thanks Tanguy Pruvot)
+
+v1.6 beta 02-28-04
+ added Atom 0.3 support (not all features, though)
+ improved OPML 1.0 support (hopefully - added more elements)
+ added support for arbitrary additional elements (use with caution)
+ code beautification :-)
+ considered beta due to some internal changes
+
+v1.5.1 01-27-04
+ fixed some RSS 1.0 glitches (thanks to St�hane Vanpoperynghe)
+ fixed some inconsistencies between documentation and code (thanks to Timothy Martin)
+
+v1.5 01-06-04
+ added support for OPML 1.0
+ added more documentation
+
+v1.4 11-11-03
+ optional feed saving and caching
+ improved documentation
+ minor improvements
+
+v1.3 10-02-03
+ renamed to FeedCreator, as it not only creates RSS anymore
+ added support for mbox
+ tentative support for echo/necho/atom/pie/???
+
+v1.2 07-20-03
+ intelligent auto-truncating of RSS 0.91 attributes
+ don't create some attributes when they're not set
+ documentation improved
+ fixed a real and a possible bug with date conversions
+ code cleanup
+
+v1.1 06-29-03
+ added images to feeds
+ now includes most RSS 0.91 attributes
+ added RSS 2.0 feeds
+
+v1.0 06-24-03
+ initial release
+***************************************************************************/
+
+/**************************************************************************
+* A little setup *
+**************************************************************************/
+
+// your local timezone, set to "" to disable or for GMT
+define("TIME_ZONE","");
+
+/**
+ * Version string.
+ **/
+define("FEEDCREATOR_VERSION", "FeedCreator bitweaver 5 repackage");
+
+/**
+ * @package rss
+ * FeedCreator is the abstract base implementation for concrete
+ * implementations that implement a specific format of syndication.
+ *
+ * @abstract
+ * @author Kai Blankenhorn <kaib@bitfolge.de>
+ * @since 1.4
+ */
+class FeedCreator extends HtmlDescribable {
+
+ /**
+ * Mandatory attributes of a feed.
+ */
+ public $title, $description, $link;
+
+
+ /**
+ * Optional attributes of a feed.
+ */
+ public $syndicationURL, $image, $language, $copyright, $pubDate, $lastBuildDate, $editor, $editorEmail, $webmaster, $category, $docs, $ttl, $rating, $skipHours, $skipDays;
+
+ /**
+ * The url of the external xsl stylesheet used to format the naked rss feed.
+ * Ignored in the output when empty.
+ */
+ public $xslStyleSheet = "";
+
+ /**
+ * The url of the external css stylesheet used to format the naked syndication feed.
+ * Ignored in the output when empty.
+ */
+ public $cssStyleSheet = '';
+
+
+ /**
+ * @access private
+ */
+ public $items = [];
+
+
+ /**
+ * This feed's MIME content type.
+ * @since 1.4
+ * @access private
+ */
+ public $contentType = "application/xml";
+
+
+ /**
+ * This feed's character encoding.
+ * @since 1.6.1
+ *
+ * public $encoding = "ISO-8859-1"; //original :p
+ */
+ public $encoding = "utf-8";
+
+ /*
+ * Generator string
+ *
+ */
+
+ public $generator = "support@rdmcloud.uk";
+
+
+ /**
+ * Any additional elements to include as an assiciated array. All $key => $value pairs
+ * will be included unencoded in the feed in the form
+ * <$key>$value</$key>
+ * Again: No encoding will be used! This means you can invalidate or enhance the feed
+ * if $value contains markup. This may be abused to embed tags not implemented by
+ * the FeedCreator class used.
+ */
+ public $additionalElements = [];
+
+
+ /**
+ * Adds an FeedItem to the feed.
+ *
+ * @param object FeedItem $item The FeedItem to add to the feed.
+ * @access public
+ */
+ public function addItem($item) {
+ $this->items[] = $item;
+ }
+
+ /**
+ *
+ *
+ *
+ **/
+ function version() {
+
+ return FEEDCREATOR_VERSION." (".$this->generator.")";
+ }
+
+ /**
+ * Truncates a string to a certain length at the most sensible point.
+ * First, if there's a '.' character near the end of the string, the string is truncated after this character.
+ * If there is no '.', the string is truncated after the last ' ' character.
+ * If the string is truncated, " ..." is appended.
+ * If the string is already shorter than $length, it is returned unchanged.
+ *
+ * @static
+ * @param string string A string to be truncated.
+ * @param int length the maximum length the string should be truncated to
+ * @return string the truncated string
+ */
+ public static function iTrunc($string, $length) {
+ if (strlen($string)<=$length) {
+ return $string;
+ }
+
+ $pos = strrpos($string,".");
+ if ($pos>=$length-4) {
+ $string = substr($string,0,$length-4);
+ $pos = strrpos($string,".");
+ }
+ if ($pos>=$length*0.4) {
+ return substr($string,0,$pos+1)." ...";
+ }
+
+ $pos = strrpos($string," ");
+ if ($pos>=$length-4) {
+ $string = substr($string,0,$length-4);
+ $pos = strrpos($string," ");
+ }
+ if ($pos>=$length*0.4) {
+ return substr($string,0,$pos)." ...";
+ }
+
+ return substr($string,0,$length-4)." ...";
+
+ }
+
+
+ /**
+ * Creates a comment indicating the generator of this feed.
+ * The format of this comment seems to be recognized by
+ * Syndic8.com.
+ */
+ public function _createGeneratorComment() {
+ return "<!-- generator=\"".$this->version()."\" -->\n";
+ }
+
+ /**
+ * Creates a string containing all additional elements specified in
+ * $additionalElements.
+ * @param array elements an associative array containing key => value pairs
+ * @param string indentString a string that will be inserted before every generated line
+ * @return string the XML tags corresponding to $additionalElements
+ */
+ public function _createAdditionalElements($elements, $indentString="") {
+ $ae = "";
+ if (is_array( $elements )) {
+ foreach ( $elements as $key => $value ) {
+ $ae .= $indentString . "<$key>$value</$key>\n";
+ }
+ }
+ return $ae;
+ }
+
+ public function _createStylesheetReferences() {
+ $xml = "";
+ if ($this->cssStyleSheet) $xml .= "<?xml-stylesheet href=\"".$this->cssStyleSheet."\" type=\"text/css\"?>\n";
+ if ($this->xslStyleSheet) $xml .= "<?xml-stylesheet href=\"".$this->xslStyleSheet."\" type=\"text/xsl\"?>\n";
+ return $xml;
+ }
+
+ /**
+ * Builds the feed's text.
+ * @abstract
+ * @return string|void the feed's complete text
+ */
+ public function createFeed() {
+ }
+
+ /**
+ * Generate a filename for the feed cache file. The result will be $_SERVER["SCRIPT_NAME"] with the extension changed to .xml.
+ * For example:
+ *
+ * echo $_SERVER["PHP_SELF"]."\n";
+ * echo FeedCreator::_generateFilename();
+ *
+ * would produce:
+ *
+ * /rss/latestnews.php
+ * latestnews.xml
+ *
+ * @return string the feed cache filename
+ * @since 1.4
+ * @access private
+ */
+ public function _generateFilename() {
+ $fileInfo = pathinfo($_SERVER["PHP_SELF"]);
+ return substr($fileInfo["basename"],0,-(strlen($fileInfo["extension"])+1)).".xml";
+ }
+
+ /**
+ * @since 1.4
+ * @access private
+ */
+ public function _redirect($filename) {
+ // attention, heavily-commented-out-area
+
+ // maybe use this in addition to file time checking
+ //Header("Expires: ".date("r",time()+$this->_timeout));
+
+ /* no caching at all, doesn't seem to work as good:
+ Header("Cache-Control: no-cache");
+ Header("Pragma: no-cache");
+ */
+
+ // HTTP redirect, some feed readers' simple HTTP implementations don't follow it
+ //Header("Location: ".$filename);
+
+ // {{{ BITMOD
+ //Header("Content-Type: ".$this->contentType."; charset=".$this->encoding."; filename=".basename($filename));
+ Header( "Content-Type: " . $this->contentType . "; charset=" . $this->encoding . ";" );
+ // BITMOD }}}
+ Header("Content-Disposition: inline; filename=".basename($filename));
+ readfile($filename );
+ die();
+ }
+
+ /**
+ * Turns on caching and checks if there is a recent version of this feed in the cache.
+ * If there is, an HTTP redirect header is sent.
+ * To effectively use caching, you should create the FeedCreator object and call this method
+ * before anything else, especially before you do the time consuming task to build the feed
+ * (web fetching, for example).
+ * @since 1.4
+ * @param string filename optional the filename where a recent version of the feed is saved. If not specified, the filename is $_SERVER["SCRIPT_NAME"] with the extension changed to .xml (see _generateFilename()).
+ * @param int timeout optional the timeout in seconds before a cached version is refreshed (defaults to 3600 = 1 hour)
+ */
+ public function useCached($filename="", $timeout=3600) {
+ $this->_timeout = $timeout;
+ if ($filename == "") {
+ $filename = $this->_generateFilename();
+ }
+ if (file_exists( $filename ) AND ( time() - filemtime( $filename ) < $timeout )) {
+ $this->_redirect( $filename );
+ }
+ }
+
+ /**
+ * Saves this feed as a file on the local disk. After the file is saved, a redirect
+ * header may be sent to redirect the user to the newly created file.
+ * @since 1.4
+ *
+ * @param string filename optional the filename where a recent version of the feed is saved. If not specified, the filename is $_SERVER["SCRIPT_NAME"] with the extension changed to .xml (see _generateFilename()).
+ * @param boolean redirect optional send an HTTP redirect header or not. If true, the user will be automatically redirected to the created file.
+ */
+ public function saveFeed($filename="", $displayContents=true) {
+ if ($filename=="") {
+ $filename = $this->_generateFilename();
+ }
+ if (!is_dir( dirname( $filename ) )) {
+ KernelTools::mkdir_p( dirname( $filename ) );
+ }
+ $feedFile = fopen( $filename, "w+" );
+ if ($feedFile) {
+ fputs( $feedFile, $this->createFeed() );
+ fclose( $feedFile );
+ if ($displayContents) {
+ $this->_redirect( $filename );
+ }
+ } else {
+ echo "<br /><b>Error creating feed file, please check write permissions.</b><br />";
+ }
+ }
+
+ /**
+ * Outputs this feed directly to the browser - for on-the-fly feed generation
+ * @since 1.7.2-mod
+ *
+ * still missing: proper header output - currently you have to add it manually
+ */
+ public function outputFeed() {
+ echo $this->createFeed();
+ }
+
+ public function setEncoding($encoding="utf-8") {
+ $this->encoding = "utf-8";
+
+ }
+
+ /**
+ * Creates a string containing all additional namespace specified
+ */
+
+ public function addNamespace($ns,$uri)
+ {
+ $array = array_combine(array($ns),array($uri));
+ $this->namespace = array_merge($array,$this->namespace);
+ }
+
+ public function _createNamespace() {
+ $ns = "";
+
+ if (is_array($this->namespace)) {
+ foreach($this->namespace AS $key => $value) {
+ $ns.= " xmlns:$key=\"$value\"";
+ }
+ }
+ return $ns;
+ }
+
+ /**
+ *
+ * Additional namespace for custom modules and tags
+ *
+ * $key=>$value pair will match namespace xmlns:$key="$value" in tags
+ * EXPERIMENTAL!
+ *
+ */
+ public $namespace = [];
+}
+
+/**
+ * @package rss
+ * RSSCreator10 is a FeedCreator that implements RDF Site Summary (RSS) 1.0.
+ *
+ * @see http://www.purl.org/rss/1.0/
+ * @since 1.3
+ * @author Kai Blankenhorn <kaib@bitfolge.de>
+ */
+class RSSCreator10 extends FeedCreator {
+
+ /**
+ * Builds the RSS feed's text. The feed will be compliant to RDF Site Summary (RSS) 1.0.
+ * The feed will contain all items previously added in the same order.
+ * @return string the feed's complete text
+ */
+ public function createFeed() {
+ $feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
+ $feed.= $this->_createGeneratorComment();
+ if ($this->cssStyleSheet=="") {
+ $cssStyleSheet = "http://www.w3.org/2000/08/w3c-synd/style.css";
+ }
+ $feed.= $this->_createStylesheetReferences();
+ $feed.= "<rdf:RDF\n";
+ $feed.= " xmlns=\"http://purl.org/rss/1.0/\"\n";
+ $feed.= " xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"\n";
+ $feed.= " xmlns:slash=\"http://purl.org/rss/1.0/modules/slash/\"\n";
+ $feed.= " xmlns:dc=\"http://purl.org/dc/elements/1.1/\">\n";
+ $feed.= " <channel rdf:about=\"".$this->syndicationURL."\">\n";
+ $feed.= " <title>".htmlspecialchars($this->title)."</title>\n";
+ $feed.= " <description>".htmlspecialchars($this->description)."</description>\n";
+ $feed.= " <link>".$this->link."</link>\n";
+ if ($this->image!=null) {
+ $feed.= " <image rdf:resource=\"".$this->image->url."\" />\n";
+ }
+ $now = new FeedDate();
+ $feed .= " <dc:date>" . htmlspecialchars( $now->iso8601() ) . "</dc:date>\n";
+ $feed .= " <items>\n";
+ $feed .= " <rdf:Seq>\n";
+ for ( $i = 0; $i < count( $this->items ); $i++ ) {
+ $feed .= " <rdf:li rdf:resource=\"" . htmlspecialchars( $this->items[$i]->link ) . "\"/>\n";
+ }
+ $feed .= " </rdf:Seq>\n";
+ $feed .= " </items>\n";
+ $feed .= " </channel>\n";
+ if ($this->image != null) {
+ $feed .= " <image rdf:about=\"" . $this->image->url . "\">\n";
+ $feed .= " <title>" . $this->image->title . "</title>\n";
+ $feed .= " <link>" . $this->image->link . "</link>\n";
+ $feed .= " <url>" . $this->image->url . "</url>\n";
+ $feed .= " </image>\n";
+ }
+ $feed .= $this->_createAdditionalElements( $this->additionalElements, " " );
+
+ for ( $i = 0; $i < count( $this->items ); $i++ ) {
+ $feed .= " <item rdf:about=\"" . htmlspecialchars( $this->items[$i]->link ) . "\">\n";
+ //$feed.= " <dc:type>Posting</dc:type>\n";
+ $feed .= " <dc:format>text/html</dc:format>\n";
+ if ($this->items[$i]->date != null) {
+ $itemDate = new FeedDate( $this->items[$i]->date );
+ $feed .= " <dc:date>" . htmlspecialchars( $itemDate->iso8601() ) . "</dc:date>\n";
+ }
+ if ($this->items[$i]->source != "") {
+ $feed .= " <dc:source>" . htmlspecialchars( $this->items[$i]->source ) . "</dc:source>\n";
+ }
+ if ($this->items[$i]->author != "") {
+ $feed .= " <dc:creator>" . htmlspecialchars( $this->items[$i]->author ) . "</dc:creator>\n";
+ }
+ $feed.= " <title>".htmlspecialchars(strip_tags(strtr($this->items[$i]->title,"\n\r"," ")))."</title>\n";
+ $feed.= " <link>".htmlspecialchars($this->items[$i]->link)."</link>\n";
+ $feed.= " <description>".htmlspecialchars($this->items[$i]->description)."</description>\n";
+ $feed.= $this->_createAdditionalElements($this->items[$i]->additionalElements, " ");
+ $feed.= " </item>\n";
+ }
+ $feed .= "</rdf:RDF>\n";
+ return $feed;
+ }
+
+}
+
+/**
+ * @package rss
+ * RSSCreator091 is a FeedCreator that implements RSS 0.91 Spec, revision 3.
+ *
+ * @see http://my.netscape.com/publish/formats/rss-spec-0.91.html
+ * @since 1.3
+ * @author Kai Blankenhorn <kaib@bitfolge.de>
+ */
+class RSSCreator091 extends FeedCreator {
+
+ /**
+ * Stores this RSS feed's version number.
+ * @access private
+ */
+ public $RSSVersion;
+ public $itunes;
+ public $_timeout;
+
+ public function addNamespace($ns,$uri) {
+ parent::addNamespace($ns,$uri);
+ }
+
+ public function RSSCreator091() {
+ $this->_setRSSVersion("0.91");
+ $this->contentType = "application/rss+xml";
+ }
+
+ /**
+ * Sets this RSS feed's version number.
+ * @access private
+ */
+ public function _setRSSVersion($version) {
+ $this->RSSVersion = $version;
+ }
+
+ /**
+ * Builds the RSS feed's text. The feed will be compliant to RDF Site Summary (RSS) 1.0.
+ * The feed will contain all items previously added in the same order.
+ * @return string the feed's complete text
+ */
+ public function createFeed() {
+ $feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
+ $feed.= $this->_createGeneratorComment();
+ $feed.= $this->_createStylesheetReferences();
+ if ($this->RSSVersion == "2.0" || $this->RSSVersion == "1.0" ) {
+ $feed.= "<rss version=\"".$this->RSSVersion."\" ". $this->_createNamespace(). ">\n";
+ } else {
+ $feed.= "<rss version=\"".$this->RSSVersion."\"";
+ }
+ // handler references for our rss tag
+ if (isset( $this->media )) {
+ $feed .= " xmlns:media=\"http://search.yahoo.com/mrss/\"";
+ }
+ if (isset( $this->itunes )) {
+ $feed .= " xmlns:itunes=\"http://www.itunes.com/dtds/podcast-1.0.dtd\"";
+ }
+ // we're done with our rss tag
+ $feed .= ">\n";
+ $feed .= " <channel>\n";
+ $feed .= " <title>" . FeedCreator::iTrunc( htmlspecialchars( $this->title ), 100 ) . "</title>\n";
+ $this->descriptionTruncSize = 500;
+ $feed .= " <description>" . $this->getDescription() . "</description>\n";
+ $feed .= " <link>" . $this->link . "</link>\n";
+ $now = new FeedDate();
+ $feed .= " <lastBuildDate>" . htmlspecialchars( $now->rfc822() ) . "</lastBuildDate>\n";
+ $feed.= " <generator>". $this->version()."</generator>\n";
+
+ if ($this->image != null) {
+ $feed .= " <image>\n";
+ $feed .= " <url>" . $this->image->url . "</url>\n";
+ $feed .= " <title>" . FeedCreator::iTrunc( htmlspecialchars( $this->image->title ), 100 ) . "</title>\n";
+ $feed .= " <link>" . $this->image->link . "</link>\n";
+ if ($this->image->width != "") {
+ $feed .= " <width>" . $this->image->width . "</width>\n";
+ }
+ if ($this->image->height != "") {
+ $feed .= " <height>" . $this->image->height . "</height>\n";
+ }
+ if ($this->image->description != "") {
+ $feed .= " <description>" . $this->image->getDescription() . "</description>\n";
+ }
+ $feed .= " </image>\n";
+ }
+ if ($this->language != "") {
+ $feed .= " <language>" . $this->language . "</language>\n";
+ }
+ if ($this->copyright != "") {
+ $feed .= " <copyright>" . FeedCreator::iTrunc( htmlspecialchars( $this->copyright ), 100 ) . "</copyright>\n";
+ }
+ if ($this->editor != "") {
+ $feed .= " <managingEditor>" . FeedCreator::iTrunc( htmlspecialchars( $this->editor ), 100 ) . "</managingEditor>\n";
+ }
+ if ($this->webmaster != "") {
+ $feed .= " <webMaster>" . FeedCreator::iTrunc( htmlspecialchars( $this->webmaster ), 100 ) . "</webMaster>\n";
+ }
+ if ($this->pubDate != "") {
+ $pubDate = new FeedDate( $this->pubDate );
+ $feed .= " <pubDate>" . htmlspecialchars( $pubDate->rfc822() ) . "</pubDate>\n";
+ }
+ if ($this->category != "") {
+ $feed .= " <category>" . htmlspecialchars( $this->category ) . "</category>\n";
+ }
+ if ($this->docs != "") {
+ $feed .= " <docs>" . FeedCreator::iTrunc( htmlspecialchars( $this->docs ), 500 ) . "</docs>\n";
+ }
+ if ($this->ttl != "") {
+ $feed .= " <ttl>" . htmlspecialchars( $this->ttl ) . "</ttl>\n";
+ }
+ if ($this->rating != "") {
+ $feed .= " <rating>" . FeedCreator::iTrunc( htmlspecialchars( $this->rating ), 500 ) . "</rating>\n";
+ }
+ if ($this->skipHours != "") {
+ $feed .= " <skipHours>" . htmlspecialchars( $this->skipHours ) . "</skipHours>\n";
+ }
+ if ($this->skipDays != "") {
+ $feed .= " <skipDays>" . htmlspecialchars( $this->skipDays ) . "</skipDays>\n";
+ }
+ if (isset( $this->media ) && is_array( $this->media )) {
+ if (isset( $this->media['thumbnail'] )) {
+ $feed .= " <media:thumbnail url='" . $this->media['thumbnail'] . "'/>\n";
+ }
+ }
+ if (isset( $this->itunes ) && is_array( $this->itunes )) {
+ if (isset( $this->itunes['thumbnail'] )) {
+ $feed .= " <itunes:image href='" . $this->itunes['thumbnail'] . "'/>\n";
+ }
+ // itunes expects an explicit setting. we default to no because we're not into this facist crap, but if you need to set it to yes you can.
+ $itunesExplicit = isset( $this->itunes['explicit'] ) ? $this->itunes['explicit'] : "no";
+ $feed .= " <itunes:explicit>" . $itunesExplicit . "</itunes:explicit>\n";
+ }
+
+ if ($this->RSSVersion == "2.0" || $this->RSSVersion == "1.0" ) {
+ $feed.= $this->_createAdditionalElements($this->additionalElements, " ");
+ }
+
+ for ( $i = 0; $i < count( $this->items ); $i++ ) {
+ $feed .= " <item>\n";
+ $feed .= " <title>" . FeedCreator::iTrunc( htmlspecialchars( strip_tags( $this->items[$i]->title ) ), 100 ) . "</title>\n";
+ $feed .= " <link>" . htmlspecialchars( $this->items[$i]->link ) . "</link>\n";
+ $feed .= " <description>" . $this->items[$i]->getDescription() . "</description>\n";
+
+ if ($this->items[$i]->author!="") {
+ if ($this->items[$i]->authorEmail!="") {
+ $feed.= " <author> " . htmlspecialchars($this->items[$i]->authorEmail) . " (".htmlspecialchars($this->items[$i]->author).")</author>\n";
+ } else {
+ $feed.= " <author> no_email@example.com (".htmlspecialchars($this->items[$i]->author).")</author>\n";
+ }
+ }
+ /*
+ // on hold
+ if ($this->items[$i]->source!="") {
+ $feed.= " <source>".htmlspecialchars($this->items[$i]->source)."</source>\n";
+ }
+ */
+ if ($this->items[$i]->category!="") {
+ $feed.= " <category ";
+
+ if (!empty($this->items[$i]->categoryScheme)) {
+
+ $feed.=" domain=\"". htmlspecialchars($this->items[$i]->categoryScheme)."\"";
+ }
+ $feed.=">".htmlspecialchars($this->items[$i]->category)."</category>\n";
+ }
+ if ($this->items[$i]->comments != "") {
+ $feed .= " <comments>" . htmlspecialchars( $this->items[$i]->comments ) . "</comments>\n";
+ }
+ if ($this->items[$i]->date != "") {
+ $itemDate = new FeedDate( $this->items[$i]->date );
+ $feed .= " <pubDate>" . htmlspecialchars( $itemDate->rfc822() ) . "</pubDate>\n";
+ }
+
+
+ if ($this->items[$i]->guid!="") {
+ $feed.= " <guid isPermaLink=\"false\">".htmlspecialchars($this->items[$i]->guid)."</guid>\n";
+ } else {
+ $feed.= " <guid isPermaLink=\"false\">".htmlspecialchars($this->items[$i]->link)."</guid>\n";
+
+ }
+
+ if ($this->RSSVersion == "2.0" || $this->RSSVersion == "1.0" ) {
+ $feed.= $this->_createAdditionalElements($this->items[$i]->additionalElements, " ");
+ }
+
+ if ($this->RSSVersion == "2.0" && $this->items[$i]->enclosure != NULL)
+ {
+ $feed.= " <enclosure url=\"";
+ $feed.= $this->items[$i]->enclosure->url;
+ $feed.= "\" length=\"";
+ $feed.= $this->items[$i]->enclosure->length;
+ $feed.= "\" type=\"";
+ $feed.= $this->items[$i]->enclosure->type;
+ $feed.= "\"/>\n";
+ }
+
+
+
+ $feed.= " </item>\n";
+ }
+ $feed .= " </channel>\n";
+ $feed .= "</rss>\n";
+ return $feed;
+ }
+
+}
+
+/**
+ * @package rss
+ * RSSCreator20 is a FeedCreator that implements RDF Site Summary (RSS) 2.0.
+ *
+ * @see http://backend.userland.com/rss
+ * @since 1.3
+ * @author Kai Blankenhorn <kaib@bitfolge.de>
+ */
+class RSSCreator20 extends RSSCreator091 {
+
+ function RSSCreator20() {
+ parent::_setRSSVersion("2.0");
+ }
+
+}
+
+/**
+ * @package rss
+ * PIECreator01 is a FeedCreator that implements the emerging PIE specification,
+ * as in http://intertwingly.net/wiki/pie/Syntax.
+ *
+ * @deprecated
+ * @since 1.3
+ * @author Scott Reynen <scott@randomchaos.com> and Kai Blankenhorn <kaib@bitfolge.de>
+ */
+class PIECreator01 extends FeedCreator {
+
+ public function PIECreator01() {
+ $this->encoding = "utf-8";
+ }
+
+ public function createFeed() {
+ $feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
+ $feed.= $this->_createStylesheetReferences();
+ $feed.= "<feed version=\"0.1\" xmlns=\"http://example.com/newformat#\">\n";
+ $feed.= " <title>".FeedCreator::iTrunc(htmlspecialchars($this->title),100)."</title>\n";
+ $this->truncSize = 500;
+ $feed .= " <subtitle>" . $this->getDescription() . "</subtitle>\n";
+ $feed .= " <link>" . $this->link . "</link>\n";
+ for ( $i = 0; $i < count( $this->items ); $i++ ) {
+ $feed .= " <entry>\n";
+ $feed .= " <title>" . FeedCreator::iTrunc( htmlspecialchars( strip_tags( $this->items[$i]->title ) ), 100 ) . "</title>\n";
+ $feed .= " <link>" . htmlspecialchars( $this->items[$i]->link ) . "</link>\n";
+ $itemDate = new FeedDate( $this->items[$i]->date );
+ $feed .= " <created>" . htmlspecialchars( $itemDate->iso8601() ) . "</created>\n";
+ $feed .= " <issued>" . htmlspecialchars( $itemDate->iso8601() ) . "</issued>\n";
+ $feed .= " <modified>" . htmlspecialchars( $itemDate->iso8601() ) . "</modified>\n";
+ $feed .= " <id>" . htmlspecialchars( $this->items[$i]->guid ) . "</id>\n";
+ if ($this->items[$i]->author != "") {
+ $feed .= " <author>\n";
+ $feed .= " <name>" . htmlspecialchars( $this->items[$i]->author ) . "</name>\n";
+ if ($this->items[$i]->authorEmail != "") {
+ $feed .= " <email>" . $this->items[$i]->authorEmail . "</email>\n";
+ }
+ $feed .= " </author>\n";
+ }
+ $feed .= " <content type=\"text/html\" xml:lang=\"en-us\">\n";
+ $feed .= " <div xmlns=\"http://www.w3.org/1999/xhtml\">" . $this->items[$i]->getDescription() . "</div>\n";
+ $feed .= " </content>\n";
+ $feed .= " </entry>\n";
+ }
+ $feed .= "</feed>\n";
+ return $feed;
+ }
+}
+
+/**
+ * AtomCreator10 is a FeedCreator that implements the atom specification,
+ * as in http://www.atomenabled.org/developers/syndication/atom-format-spec.php
+ * Please note that just by using AtomCreator10 you won't automatically
+ * produce valid atom files. For example, you have to specify either an editor
+ * for the feed or an author for every single feed item.
+ *
+ * Some elements have not been implemented yet. These are (incomplete list):
+ * author URL, item author's email and URL, item contents, alternate links,
+ * other link content types than text/html. Some of them may be created with
+ * AtomCreator10::additionalElements.
+ *
+ * @see FeedCreator#additionalElements
+ * @since 1.7.2-mod (modified)
+ * @author Mohammad Hafiz Ismail (mypapit@gmail.com)
+ */
+ class AtomCreator10 extends FeedCreator {
+
+ public function AtomCreator10() {
+ $this->contentType = "application/atom+xml";
+ $this->encoding = "utf-8";
+
+ }
+
+ public function createFeed() {
+ $feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
+ $feed.= $this->_createGeneratorComment();
+ $feed.= $this->_createStylesheetReferences();
+ $feed.= "<feed xmlns=\"http://www.w3.org/2005/Atom\"";
+ if ($this->language!="") {
+ $feed.= " xml:lang=\"".$this->language."\"";
+ }
+ $feed.= ">\n";
+ $feed.= " <title>".htmlspecialchars($this->title)."</title>\n";
+ $feed.= " <subtitle>".htmlspecialchars($this->description)."</subtitle>\n";
+ $feed.= " <link rel=\"alternate\" type=\"text/html\" href=\"".htmlspecialchars($this->link)."\"/>\n";
+ $feed.= " <id>".htmlspecialchars($this->link)."</id>\n";
+ $now = new FeedDate();
+ $feed.= " <updated>".htmlspecialchars($now->iso8601())."</updated>\n";
+ if ($this->editor!="") {
+ $feed.= " <author>\n";
+ $feed.= " <name>".$this->editor."</name>\n";
+ if ($this->editorEmail!="") {
+ $feed.= " <email>".$this->editorEmail."</email>\n";
+ }
+ $feed.= " </author>\n";
+ }
+ if ($this->category!="") {
+
+
+ $feed.= " <category term=\"" . htmlspecialchars($this->category) . "\" />\n";
+ }
+ if ($this->copyright!="") {
+ $feed.= " <rights>".FeedCreator::iTrunc(htmlspecialchars($this->copyright),100)."</rights>\n";
+ }
+ $feed.= " <generator>".$this->version()."</generator>\n";
+
+
+ $feed.= " <link rel=\"self\" type=\"application/atom+xml\" href=\"". htmlspecialchars($this->syndicationURL). "\" />\n";
+ $feed.= $this->_createAdditionalElements($this->additionalElements, " ");
+ for ($i=0;$i<count($this->items);$i++) {
+ $feed.= " <entry>\n";
+ $feed.= " <title>".htmlspecialchars(strip_tags($this->items[$i]->title))."</title>\n";
+ $feed.= " <link rel=\"alternate\" type=\"text/html\" href=\"".htmlspecialchars($this->items[$i]->link)."\"/>\n";
+ if ($this->items[$i]->date=="") {
+ $this->items[$i]->date = time();
+ }
+ $itemDate = new FeedDate($this->items[$i]->date);
+ $feed.= " <published>".htmlspecialchars($itemDate->iso8601())."</published>\n";
+ $feed.= " <updated>".htmlspecialchars($itemDate->iso8601())."</updated>\n";
+
+
+ $tempguid = $this->items[$i]->link;
+ if ($this->items[$i]->guid!="") {
+ $tempguid = $this->items[$i]->guid;
+ }
+
+ $feed.= " <id>". htmlspecialchars($tempguid)."</id>\n";
+ $feed.= $this->_createAdditionalElements($this->items[$i]->additionalElements, " ");
+ if ($this->items[$i]->author!="") {
+ $feed.= " <author>\n";
+ $feed.= " <name>".htmlspecialchars($this->items[$i]->author)."</name>\n";
+ if ($this->items[$i]->authorEmail!="") {
+ $feed.= " <email>".htmlspecialchars($this->items[$i]->authorEmail)."</email>\n";
+ }
+
+ if ($this->items[$i]->authorURL!="") {
+ $feed.= " <uri>".htmlspecialchars($this->items[$i]->authorURL)."</uri>\n";
+ }
+
+ $feed.= " </author>\n";
+ }
+
+ if ($this->items[$i]->category!="") {
+ $feed.= " <category ";
+
+ if ($this->items[$i]->categoryScheme!="") {
+ $feed.=" scheme=\"".htmlspecialchars($this->items[$i]->categoryScheme)."\" ";
+ }
+
+ $feed.=" term=\"" . htmlspecialchars($this->items[$i]->category) . "\" />\n";
+ }
+
+ if ($this->items[$i]->description!="") {
+
+
+ /*
+ * ATOM should have at least summary tag, however this implementation may be inaccurate
+ */
+ $tempdesc = $this->items[$i]->getDescription();
+ $temptype="";
+
+
+ if ($this->items[$i]->descriptionHtmlSyndicated){
+ $temptype=" type=\"html\"";
+ $tempdesc = $this->items[$i]->getDescription();
+
+ }
+
+ if (empty($this->items[$i]->descriptionTruncSize)) {
+ $feed.= " <content". $temptype . ">". $tempdesc ."</content>\n";
+ }
+
+
+ $feed.= " <summary". $temptype . ">". $tempdesc ."</summary>\n";
+ } else {
+
+ $feed.= " <summary>no summary</summary>\n";
+
+ }
+
+ if ($this->items[$i]->enclosure != NULL) {
+ $feed.=" <link rel=\"enclosure\" href=\"". $this->items[$i]->enclosure->url ."\" type=\"". $this->items[$i]->enclosure->type."\" length=\"". $this->items[$i]->enclosure->length ."\"";
+
+ if ($this->items[$i]->enclosure->language != ""){
+ $feed .=" xml:lang=\"". $this->items[$i]->enclosure->language . "\" ";
+ }
+
+ if ($this->items[$i]->enclosure->title != ""){
+ $feed .=" title=\"". $this->items[$i]->enclosure->title . "\" ";
+ }
+
+ $feed .=" /> \n";
+
+
+
+ }
+ $feed.= " </entry>\n";
+ }
+ $feed.= "</feed>\n";
+ return $feed;
+ }
+
+
+}
+
+/**
+ * @package rss
+ * AtomCreator03 is a FeedCreator that implements the atom specification,
+ * as in http://www.intertwingly.net/wiki/pie/FrontPage.
+ * Please note that just by using AtomCreator03 you won't automatically
+ * produce valid atom files. For example, you have to specify either an editor
+ * for the feed or an author for every single feed item.
+ *
+ * Some elements have not been implemented yet. These are (incomplete list):
+ * author URL, item author's email and URL, item contents, alternate links,
+ * other link content types than text/html. Some of them may be created with
+ * AtomCreator03::additionalElements.
+ *
+ * @see FeedCreator#additionalElements
+ * @since 1.6
+ * @author Kai Blankenhorn <kaib@bitfolge.de>, Scott Reynen <scott@randomchaos.com>
+ */
+class AtomCreator03 extends FeedCreator {
+
+ public function AtomCreator03() {
+ $this->contentType = "application/atom+xml";
+ $this->encoding = "utf-8";
+ }
+
+ public function createFeed() {
+ $feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
+ $feed.= $this->_createGeneratorComment();
+ $feed.= $this->_createStylesheetReferences();
+ $feed.= "<feed version=\"0.3\" xmlns=\"http://purl.org/atom/ns#\"";
+ if ($this->language!="") {
+ $feed.= " xml:lang=\"".$this->language."\"";
+ }
+ $feed .= ">\n";
+ $feed .= " <title>" . htmlspecialchars( $this->title ) . "</title>\n";
+ $feed .= " <tagline>" . htmlspecialchars( $this->description ) . "</tagline>\n";
+ $feed .= " <link rel=\"alternate\" type=\"text/html\" href=\"" . htmlspecialchars( $this->link ) . "\"/>\n";
+ $feed .= " <id>" . htmlspecialchars( $this->link ) . "</id>\n";
+ $now = new FeedDate();
+ $feed .= " <modified>" . htmlspecialchars( $now->iso8601() ) . "</modified>\n";
+ if ($this->editor != "") {
+ $feed .= " <author>\n";
+ $feed .= " <name>" . $this->editor . "</name>\n";
+ if ($this->editorEmail != "") {
+ $feed .= " <email>" . $this->editorEmail . "</email>\n";
+ }
+ $feed .= " </author>\n";
+ }
+ $feed.= " <generator>".$this->version()."</generator>\n";
+ $feed.= $this->_createAdditionalElements($this->additionalElements, " ");
+ for ($i=0;$i<count($this->items);$i++) {
+ $feed.= " <entry>\n";
+ $feed.= " <title>".htmlspecialchars(strip_tags($this->items[$i]->title))."</title>\n";
+ $feed.= " <link rel=\"alternate\" type=\"text/html\" href=\"".htmlspecialchars($this->items[$i]->link)."\"/>\n";
+ if ($this->items[$i]->date=="") {
+ $this->items[$i]->date = time();
+ }
+ $itemDate = new FeedDate($this->items[$i]->date);
+ $feed.= " <created>".htmlspecialchars($itemDate->iso8601())."</created>\n";
+ $feed.= " <issued>".htmlspecialchars($itemDate->iso8601())."</issued>\n";
+ $feed.= " <modified>".htmlspecialchars($itemDate->iso8601())."</modified>\n";
+ $feed.= " <id>".htmlspecialchars($this->items[$i]->link)."</id>\n";
+ $feed.= $this->_createAdditionalElements($this->items[$i]->additionalElements, " ");
+ if ($this->items[$i]->author!="") {
+ $feed.= " <author>\n";
+ $feed.= " <name>".htmlspecialchars($this->items[$i]->author)."</name>\n";
+ $feed.= " </author>\n";
+ }
+ if ($this->items[$i]->description!="") {
+ $feed.= " <summary>".htmlspecialchars( strip_tags($this->items[$i]->description) )."</summary>\n";
+
+ }
+ $feed .= " </entry>\n";
+ }
+ $feed .= "</feed>\n";
+ return $feed;
+ }
+
+}
+
+/**
+ * @package rss
+ * MBOXCreator is a FeedCreator that implements the mbox format
+ * as described in http://www.qmail.org/man/man5/mbox.html
+ *
+ * @since 1.3
+ * @author Kai Blankenhorn <kaib@bitfolge.de>
+ */
+class MBOXCreator extends FeedCreator {
+
+ public function MBOXCreator() {
+ $this->contentType = "text/plain";
+ $this->encoding = "ISO-8859-15";
+ }
+
+ public function qp_enc($input = "", $line_max = 76) {
+ $hex = [ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' ];
+ $lines = preg_split("/(?:\r\n|\r|\n)/", $input);
+ $eol = "\r\n";
+ $escape = "=";
+ $output = "";
+ foreach ( $lines as $line ) {
+ //$line = rtrim($line); // remove trailing white space -> no =20\r\n necessary
+ $linlen = strlen( $line );
+ $newline = "";
+ for ( $i = 0; $i < $linlen; $i++ ) {
+ $c = substr( $line, $i, 1 );
+ $dec = ord( $c );
+ if (( $dec == 32 ) && ( $i == ( $linlen - 1 ) )) { // convert space at eol only
+ $c = "=20";
+ } elseif ( ($dec == 61) || ($dec < 32 ) || ($dec > 126) ) { // always encode "\t", which is *not* required
+ $h2 = floor( $dec / 16 );
+ $h1 = floor( $dec % 16 );
+ $c = $escape . $hex["$h2"] . $hex["$h1"];
+ }
+ if (( strlen( $newline ) + strlen( $c ) ) >= $line_max) { // CRLF is not counted
+ $output .= $newline . $escape . $eol; // soft line break; " =\r\n" is okay
+ $newline = "";
+ }
+ $newline .= $c;
+ } // end of for
+ $output .= $newline . $eol;
+ }
+ return trim( $output );
+ }
+
+ /**
+ * Builds the MBOX contents.
+ * @return string the feed's complete text
+ */
+ public function createFeed() {
+ for ( $i = 0; $i < count( $this->items ); $i++ ) {
+ $from = ( $this->items[$i]->author != "" ) ? $this->items[$i]->author : $this->title;
+ $itemDate = new FeedDate( $this->items[$i]->date );
+ $feed = "From " . strtr( MBOXCreator::qp_enc( $from ), " ", "_" ) . " " . date( "D M d H:i:s Y", $itemDate->unix() ) . "\n";
+ $feed .= "Content-Type: text/plain;\n";
+ $feed .= " charset=\"" . $this->encoding . "\"\n";
+ $feed .= "Content-Transfer-Encoding: quoted-printable\n";
+ $feed .= "Content-Type: text/plain\n";
+ $feed .= "From: \"" . MBOXCreator::qp_enc( $from ) . "\"\n";
+ $feed .= "Date: " . $itemDate->rfc822() . "\n";
+ $feed .= "Subject: " . MBOXCreator::qp_enc( FeedCreator::iTrunc( $this->items[$i]->title, 100 ) ) . "\n";
+ $feed .= "\n";
+ $body = chunk_split( MBOXCreator::qp_enc( $this->items[$i]->description ) );
+ $feed .= preg_replace( "~\nFrom ([^\n]*)(\n?)~", "\n>From $1$2\n", $body );
+ $feed .= "\n";
+ $feed .= "\n";
+ }
+ return $feed;
+ }
+
+ /**
+ * Generate a filename for the feed cache file. Overridden from FeedCreator to prevent XML data types.
+ * @return string the feed cache filename
+ * @since 1.4
+ */
+ public function _generateFilename() {
+ $fileInfo = pathinfo($_SERVER["PHP_SELF"]);
+ return substr($fileInfo["basename"],0,-(strlen($fileInfo["extension"])+1)).".mbox";
+ }
+
+}
+
+/**
+ * @package rss
+ * OPMLCreator is a FeedCreator that implements OPML 1.0.
+ *
+ * @see http://opml.scripting.com/spec
+ * @author Dirk Clemens, Kai Blankenhorn
+ * @since 1.5
+ */
+class OPMLCreator extends FeedCreator {
+
+ public function OPMLCreator() {
+ $this->encoding = "utf-8";
+ }
+
+ public function createFeed() {
+ $feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
+ $feed.= $this->_createGeneratorComment();
+ $feed.= $this->_createStylesheetReferences();
+ $feed.= "<opml xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" version=\"1.0\">\n";
+ $feed.= " <head>\n";
+ $feed.= " <title>".htmlspecialchars($this->title)."</title>\n";
+ if ($this->pubDate!="") {
+ $date = new FeedDate($this->pubDate);
+ $feed.= " <dateCreated>".$date->rfc822()."</dateCreated>\n";
+ }
+ if ($this->lastBuildDate != "") {
+ $date = new FeedDate( $this->lastBuildDate );
+ $feed .= " <dateModified>" . $date->rfc822() . "</dateModified>\n";
+ }
+ if ($this->editor != "") {
+ $feed .= " <ownerName>" . $this->editor . "</ownerName>\n";
+ }
+ if ($this->editorEmail != "") {
+ $feed .= " <ownerEmail>" . $this->editorEmail . "</ownerEmail>\n";
+ }
+ $feed .= " </head>\n";
+ $feed .= " <body>\n";
+ for ( $i = 0; $i < count( $this->items ); $i++ ) {
+ $feed .= " <outline type=\"rss\" ";
+ $title = htmlspecialchars( strip_tags( strtr( $this->items[$i]->title, "\n\r", " " ) ) );
+ $feed .= " title=\"" . $title . "\"";
+ $feed .= " text=\"" . $title . "\"";
+ //$feed.= " description=\"".htmlspecialchars($this->items[$i]->description)."\"";
+ $feed .= " url=\"" . htmlspecialchars( $this->items[$i]->link ) . "\"";
+
+ if ($this->items[$i]->syndicationURL !="") {
+ $feed.= " xmlUrl=\"" . $this->items[$i]->syndicationURL . "\"";
+ }
+
+ $feed .= "/>\n";
+ }
+ $feed .= " </body>\n";
+ $feed .= "</opml>\n";
+ return $feed;
+ }
+
+} \ No newline at end of file
generated by cgit v1.3 (git 2.53.0) at 2026-06-29 21:23:00 +0000