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<?php
/**
* Copyright (C) 2004 Gabriel Wicke <gw@wikidev.net>
* http://www.aulinx.de/
* Based on PageHistory and SpecialExport
*
* License: GPL (http://www.gnu.org/copyleft/gpl.html)
*
* @author Gabriel Wicke <gw@wikidev.net>
* @package MediaWiki
*/
/** */
require_once( 'Revision.php' );
/**
* @todo document
* @package MediaWiki
*/
class RawPage {
function RawPage( $article ) {
global $wgRequest, $wgInputEncoding, $wgSquidMaxage;
$allowedCTypes = array('text/x-wiki', 'text/javascript', 'text/css', 'application/x-zope-edit');
$this->mArticle =& $article;
$this->mTitle =& $article->mTitle;
$ctype = $wgRequest->getText( 'ctype' );
$smaxage = $wgRequest->getInt( 'smaxage', $wgSquidMaxage );
$maxage = $wgRequest->getInt( 'maxage', $wgSquidMaxage );
$this->mOldId = $wgRequest->getInt( 'oldid' );
# special case for 'generated' raw things: user css/js
$gen = $wgRequest->getText( 'gen' );
if($gen == 'css') {
$this->mGen = $gen;
if($smaxage == '') $smaxage = $wgSquidMaxage;
if($ctype == '') $ctype = 'text/css';
} else if ($gen == 'js') {
$this->mGen = $gen;
if($smaxage == '') $smaxage = $wgSquidMaxage;
if($ctype == '') $ctype = 'text/javascript';
} else {
$this->mGen = false;
}
$this->mCharset = $wgInputEncoding;
$this->mSmaxage = $smaxage;
$this->mMaxage = $maxage;
if(empty($ctype) or !in_array($ctype, $allowedCTypes)) {
$this->mContentType = 'text/x-wiki';
} else {
$this->mContentType = $ctype;
}
}
function view() {
global $wgUser, $wgOut, $wgScript;
if( isset( $_SERVER['SCRIPT_URL'] ) ) {
# Normally we use PHP_SELF to get the URL to the script
# as it was called, minus the query string.
#
# Some sites use Apache rewrite rules to handle subdomains,
# and have PHP set up in a weird way that causes PHP_SELF
# to contain the rewritten URL instead of the one that the
# outside world sees.
#
# If in this mode, use SCRIPT_URL instead, which mod_rewrite
# provides containing the "before" URL.
$url = $_SERVER['SCRIPT_URL'];
} else {
$url = $_SERVER['PHP_SELF'];
}
if( strcmp( $wgScript, $url ) ) {
# Internet Explorer will ignore the Content-Type header if it
# thinks it sees a file extension it recognizes. Make sure that
# all raw requests are done through the script node, which will
# have eg '.php' and should remain safe.
#
# We used to redirect to a canonical-form URL as a general
# backwards-compatibility / good-citizen nice thing. However
# a lot of servers are set up in buggy ways, resulting in
# redirect loops which hang the browser until the CSS load
# times out.
#
# Just return a 403 Forbidden and get it over with.
wfHttpError( 403, 'Forbidden',
'Raw pages must be accessed through the primary script entry point.' );
return;
}
header( "Content-type: ".$this->mContentType.'; charset='.$this->mCharset );
# allow the client to cache this for 24 hours
header( 'Cache-Control: s-maxage='.$this->mSmaxage.', max-age='.$this->mMaxage );
if($this->mGen) {
$sk = $wgUser->getSkin();
$sk->initPage($wgOut);
if($this->mGen == 'css') {
echo $sk->getUserStylesheet();
} else if($this->mGen == 'js') {
echo $sk->getUserJs();
}
} else {
echo $this->getrawtext();
}
$wgOut->disable();
}
function getrawtext () {
global $wgInputEncoding, $wgContLang;
$fname = 'RawPage::getrawtext';
if( $this->mTitle ) {
# Special case for MediaWiki: messages; we can hit the message cache.
if( $this->mTitle->getNamespace() == NS_MEDIAWIKI) {
$rawtext = wfMsg( $this->mTitle->getDbkey() );
return $rawtext;
}
# else get it from the DB
$rev = Revision::newFromTitle( $this->mTitle, $this->mOldId );
if( $rev ) {
$lastmod = wfTimestamp( TS_RFC2822, $rev->getTimestamp() );
header( 'Last-modified: ' . $lastmod );
return $rev->getText();
}
}
# Bad title or page does not exist
if( $this->mContentType == 'text/x-wiki' ) {
# Don't return a 404 response for CSS or JavaScript;
# 404s aren't generally cached and it would create
# extra hits when user CSS/JS are on and the user doesn't
# have the pages.
header( "HTTP/1.0 404 Not Found" );
}
return '';
}
}
?>
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