<?php
-# $Id$
# Basic support for outputting syndication feeds in RSS, other formats
#
# Copyright (C) 2004 Brion Vibber <brion@pobox.com>
/**
* Contain a feed class as well as classes to build rss / atom ... feeds
+ * Available feeds are defined in Defines.php
* @package MediaWiki
*/
-/**
- * Available feeds objects
- */
-$wgFeedClasses = array(
- 'rss' => 'RSSFeed',
- 'atom' => 'AtomFeed',
- );
/**
* @todo document
* @todo document
*/
function xmlEncode( $string ) {
- global $wgInputEncoding, $wgLang;
$string = str_replace( "\r\n", "\n", $string );
- if( strcasecmp( $wgInputEncoding, 'utf-8' ) != 0 ) {
- $string = $wgLang->iconv( $wgInputEncoding, 'utf-8', $string );
- }
+ $string = preg_replace( '/[\x00-\x08\x0b\x0c\x0e-\x1f]/', '', $string );
return htmlspecialchars( $string );
}
* @todo document
*/
function getLanguage() {
- global $wgLanguageCode;
- return $wgLanguageCode;
+ global $wgContLanguageCode;
+ return $wgContLanguageCode;
}
/**
* @todo document
/**#@-*/
/**
- * @todo document
- * @param string $mimetype (optional) type of output
+ * 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 outXmlHeader( $mimetype='application/xml' ) {
- global $wgServer, $wgStylePath, $wgOut;
+ 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" );
$wgOut->sendCacheControl();
- print '<' . '?xml version="1.0" encoding="utf-8"?' . ">\n";
- print '<' . '?xml-stylesheet type="text/css" href="' .
- htmlspecialchars( "$wgServer$wgStylePath/feed.css" ) . '"?' . ">\n";
+ }
+
+ /**
+ * 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;
+
+ $this->httpHeaders();
+ echo '<?xml version="1.0" encoding="utf-8"?' . ">\n";
+ echo '<?xml-stylesheet type="text/css" href="' .
+ htmlspecialchars( "$wgServer$wgStylePath/common/feed.css" ) . '"?' . ">\n";
}
}