diff options
Diffstat (limited to 'includes/RawPage.php')
| -rw-r--r-- | includes/RawPage.php | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/includes/RawPage.php b/includes/RawPage.php new file mode 100644 index 00000000..3cdabfd9 --- /dev/null +++ b/includes/RawPage.php @@ -0,0 +1,203 @@ +<?php +/** + * Copyright (C) 2004 Gabriel Wicke <wicke@wikidev.net> + * http://wikidev.net/ + * Based on PageHistory and SpecialExport + * + * License: GPL (http://www.gnu.org/copyleft/gpl.html) + * + * @author Gabriel Wicke <wicke@wikidev.net> + * @package MediaWiki + */ + +/** + * @todo document + * @package MediaWiki + */ +class RawPage { + var $mArticle, $mTitle, $mRequest; + var $mOldId, $mGen, $mCharset; + var $mSmaxage, $mMaxage; + var $mContentType, $mExpandTemplates; + + function RawPage( &$article, $request = false ) { + global $wgRequest, $wgInputEncoding, $wgSquidMaxage, $wgJsMimeType; + + $allowedCTypes = array('text/x-wiki', $wgJsMimeType, 'text/css', 'application/x-zope-edit'); + $this->mArticle =& $article; + $this->mTitle =& $article->mTitle; + + if ( $request === false ) { + $this->mRequest =& $wgRequest; + } else { + $this->mRequest = $request; + } + + $ctype = $this->mRequest->getVal( 'ctype' ); + $smaxage = $this->mRequest->getIntOrNull( 'smaxage', $wgSquidMaxage ); + $maxage = $this->mRequest->getInt( 'maxage', $wgSquidMaxage ); + $this->mExpandTemplates = $this->mRequest->getVal( 'templates' ) === 'expand'; + + $oldid = $this->mRequest->getInt( 'oldid' ); + switch ( $wgRequest->getText( 'direction' ) ) { + case 'next': + # output next revision, or nothing if there isn't one + if ( $oldid ) { + $oldid = $this->mTitle->getNextRevisionId( $oldid ); + } + $oldid = $oldid ? $oldid : -1; + break; + case 'prev': + # output previous revision, or nothing if there isn't one + if ( ! $oldid ) { + # get the current revision so we can get the penultimate one + $this->mArticle->getTouched(); + $oldid = $this->mArticle->mLatest; + } + $prev = $this->mTitle->getPreviousRevisionId( $oldid ); + $oldid = $prev ? $prev : -1 ; + break; + case 'cur': + $oldid = 0; + break; + } + $this->mOldId = $oldid; + + # special case for 'generated' raw things: user css/js + $gen = $this->mRequest->getVal( 'gen' ); + + if($gen == 'css') { + $this->mGen = $gen; + if( is_null( $smaxage ) ) $smaxage = $wgSquidMaxage; + if($ctype == '') $ctype = 'text/css'; + } elseif ($gen == 'js') { + $this->mGen = $gen; + if( is_null( $smaxage ) ) $smaxage = $wgSquidMaxage; + if($ctype == '') $ctype = $wgJsMimeType; + } else { + $this->mGen = false; + } + $this->mCharset = $wgInputEncoding; + $this->mSmaxage = intval( $smaxage ); + $this->mMaxage = $maxage; + if ( $ctype == '' or ! in_array( $ctype, $allowedCTypes ) ) { + $this->mContentType = 'text/x-wiki'; + } else { + $this->mContentType = $ctype; + } + } + + function view() { + global $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']; + } + + $ua = @$_SERVER['HTTP_USER_AGENT']; + if( strcmp( $wgScript, $url ) && strpos( $ua, 'MSIE' ) !== false ) { + # Internet Explorer will ignore the Content-Type header if it + # thinks it sees a file extension it recognizes. Make sure that + # all raw requests are done through the script node, which will + # have eg '.php' and should remain safe. + # + # We used to redirect to a canonical-form URL as a general + # backwards-compatibility / good-citizen nice thing. However + # a lot of servers are set up in buggy ways, resulting in + # redirect loops which hang the browser until the CSS load + # times out. + # + # Just return a 403 Forbidden and get it over with. + wfHttpError( 403, 'Forbidden', + 'Raw pages must be accessed through the primary script entry point.' ); + return; + } + + header( "Content-type: ".$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 ); + echo $this->getRawText(); + $wgOut->disable(); + } + + function getRawText() { + global $wgUser, $wgOut; + if($this->mGen) { + $sk = $wgUser->getSkin(); + $sk->initPage($wgOut); + if($this->mGen == 'css') { + return $sk->getUserStylesheet(); + } else if($this->mGen == 'js') { + return $sk->getUserJs(); + } + } else { + return $this->getArticleText(); + } + } + + function getArticleText() { + $found = false; + $text = ''; + if( $this->mTitle ) { + // If it's a MediaWiki message we can just hit the message cache + if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) { + $key = $this->mTitle->getDBkey(); + $text = wfMsgForContentNoTrans( $key ); + # If the message doesn't exist, return a blank + if( $text == '<' . $key . '>' ) + $text = ''; + $found = true; + } 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" ); + $text = $rev->getText(); + $found = true; + } + } + } + + # Bad title or page does not exist + if( !$found && $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 $this->parseArticleText( $text ); + } + + function parseArticleText( $text ) { + if ( $text === '' ) + return ''; + else + if ( $this->mExpandTemplates ) { + global $wgTitle; + + $parser = new Parser(); + $parser->Options( new ParserOptions() ); // We don't want this to be user-specific + $parser->Title( $wgTitle ); + $parser->OutputType( OT_HTML ); + + return $parser->replaceVariables( $text ); + } else + return $text; + } +} +?> |