# http://www.mediawiki.org/ # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program 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 General Public License for more details. # # You should have received a copy of the GNU General Public License along # with this program; if not, write to the Free Software Foundation, Inc., # 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. # http://www.gnu.org/copyleft/gpl.html /** * Contain a feed class as well as classes to build rss / atom ... feeds * Available feeds are defined in Defines.php * @package MediaWiki */ /** * @todo document * @package MediaWiki */ class FeedItem { /**#@+ * @var string * @access private */ var $Title = 'Wiki'; var $Description = ''; var $Url = ''; var $Date = ''; var $Author = ''; /**#@-*/ /** * @todo document */ function FeedItem( $Title, $Description, $Url, $Date = '', $Author = '', $Comments = '' ) { $this->Title = $Title; $this->Description = $Description; $this->Url = $Url; $this->Date = $Date; $this->Author = $Author; $this->Comments = $Comments; } /** * @static * @todo document */ function xmlEncode( $string ) { $string = str_replace( "\r\n", "\n", $string ); $string = preg_replace( '/[\x00-\x08\x0b\x0c\x0e-\x1f]/', '', $string ); return htmlspecialchars( $string ); } /** * @todo document */ function getTitle() { return $this->xmlEncode( $this->Title ); } /** * @todo document */ function getUrl() { return $this->xmlEncode( $this->Url ); } /** * @todo document */ function getDescription() { return $this->xmlEncode( $this->Description ); } /** * @todo document */ function getLanguage() { global $wgContLanguageCode; return $wgContLanguageCode; } /** * @todo document */ function getDate() { return $this->Date; } /** * @todo document */ function getAuthor() { return $this->xmlEncode( $this->Author ); } /** * @todo document */ function getComments() { return $this->xmlEncode( $this->Comments ); } } /** * @todo document * @package MediaWiki */ class ChannelFeed extends FeedItem { /**#@+ * Abstract function, override! * @abstract */ /** * Generate Header of the feed */ function outHeader() { # print ""; } /** * Generate an item * @param $item */ function outItem( $item ) { # print "..."; } /** * Generate Footer of the feed */ function outFooter() { # print ""; } /**#@-*/ /** * Setup and send HTTP headers. Don't send any content; * content might end up being cached and re-sent with * these same headers later. * * This should be called from the outHeader() method, * but can also be called separately. * * @access public */ function httpHeaders() { global $wgOut; # We take over from $wgOut, excepting its cache header info $wgOut->disable(); $mimetype = $this->contentType(); header( "Content-type: $mimetype; charset=UTF-8" ); $wgOut->sendCacheControl(); } /** * Return an internet media type to be sent in the headers. * * @return string * @access private */ function contentType() { global $wgRequest; $ctype = $wgRequest->getVal('ctype','application/xml'); $allowedctypes = array('application/xml','text/xml','application/rss+xml','application/atom+xml'); return (in_array($ctype, $allowedctypes) ? $ctype : 'application/xml'); } /** * Output the initial XML headers with a stylesheet for legibility * if someone finds it in a browser. * @access private */ function outXmlHeader() { global $wgServer, $wgStylePath; $this->httpHeaders(); print '<' . '?xml version="1.0" encoding="utf-8"?' . ">\n"; print '<' . '?xml-stylesheet type="text/css" href="' . htmlspecialchars( "$wgServer$wgStylePath/common/feed.css" ) . '"?' . ">\n"; } } /** * Generate a RSS feed * @todo document * @package MediaWiki */ class RSSFeed extends ChannelFeed { /** * Format a date given a timestamp * @param integer $ts Timestamp * @return string Date string */ function formatTime( $ts ) { return gmdate( 'D, d M Y H:i:s \G\M\T', wfTimestamp( TS_UNIX, $ts ) ); } /** * Ouput an RSS 2.0 header */ function outHeader() { global $wgVersion; $this->outXmlHeader(); ?> <?php print $this->getTitle() ?> getUrl() ?> getDescription() ?> getLanguage() ?> MediaWiki formatTime( wfTimestampNow() ) ?> <?php print $item->getTitle() ?> getUrl() ?> getDescription() ?> getDate() ) { ?>formatTime( $item->getDate() ) ?> getAuthor() ) { ?>getAuthor() ?> getComments() ) { ?>getComments() ?> outXmlHeader(); ?> <?php print $this->getTitle() ?> formatTime( wfTimestampNow() ) ?>Z getDescription() ?> MediaWiki <?php print $item->getTitle() ?> getDate() ) { ?> formatTime( $item->getDate() ) ?>Z formatTime( $item->getDate() ) ?> formatTime( $item->getDate() ) ?>Z getDescription() ?> getAuthor() ) { ?>getAuthor() ?> foobar getComments() ) { ?>getComments() ?> */ } /** * @todo document */ function outFooter() {?>