<?php
/**
- * Copyright (C) 2004 Gabriel Wicke <gw@wikidev.net>
- * http://www.aulinx.de/
- * Based on PageHistory and SpecialExport
- *
+ * Raw page text accessor
+ *
+ * Copyright © 2004 Gabriel Wicke <wicke@wikidev.net>
+ * http://wikidev.net/
+ *
+ * Based on HistoryPage and SpecialExport
+ *
* License: GPL (http://www.gnu.org/copyleft/gpl.html)
*
- * @author Gabriel Wicke <gw@wikidev.net>
- * @package MediaWiki
+ * @author Gabriel Wicke <wicke@wikidev.net>
+ * @file
*/
-require_once( 'Revision.php' );
-
/**
- * @todo document
- * @package MediaWiki
+ * A simple method to retrieve the plain source of an article,
+ * using "action=raw" in the GET request string.
*/
class RawPage {
+ var $mArticle, $mTitle, $mRequest;
+ var $mOldId, $mGen, $mCharset, $mSection;
+ var $mSmaxage, $mMaxage;
+ var $mContentType, $mExpandTemplates;
+
+ function __construct( Article $article, $request = false ) {
+ global $wgRequest, $wgInputEncoding, $wgSquidMaxage, $wgJsMimeType, $wgGroupPermissions;
+
+ $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' );
+ $maxage = $this->mRequest->getInt( 'maxage', $wgSquidMaxage );
+
+ $this->mExpandTemplates = $this->mRequest->getVal( 'templates' ) === 'expand';
+ $this->mUseMessageCache = $this->mRequest->getBool( 'usemsgcache' );
+
+ $this->mSection = $this->mRequest->getIntOrNull( 'section' );
+
+ $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;
- 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') {
+ $gen = $this->mRequest->getVal( 'gen' );
+
+ if( $gen == 'css' ) {
$this->mGen = $gen;
- if($smaxage == '') $smaxage = $wgSquidMaxage;
+ if( is_null( $smaxage ) ) $smaxage = $wgSquidMaxage;
if($ctype == '') $ctype = 'text/css';
- } else if ($gen == 'js') {
+ } elseif( $gen == 'js' ) {
$this->mGen = $gen;
- if($smaxage == '') $smaxage = $wgSquidMaxage;
- if($ctype == '') $ctype = 'text/javascript';
+ if( is_null( $smaxage ) ) $smaxage = $wgSquidMaxage;
+ if($ctype == '') $ctype = $wgJsMimeType;
} else {
$this->mGen = false;
}
$this->mCharset = $wgInputEncoding;
- $this->mSmaxage = $smaxage;
+
+ # Force caching for CSS and JS raw content, default: 5 minutes
+ if( is_null($smaxage) and ($ctype=='text/css' or $ctype==$wgJsMimeType) ) {
+ global $wgForcedRawSMaxage;
+ $this->mSmaxage = intval($wgForcedRawSMaxage);
+ } else {
+ $this->mSmaxage = intval( $smaxage );
+ }
$this->mMaxage = $maxage;
- if(empty($ctype) or !in_array($ctype, $allowedCTypes)) {
+
+ # Output may contain user-specific data;
+ # vary generated content for open sessions and private wikis
+ if( $this->mGen or !$wgGroupPermissions['*']['read'] ) {
+ $this->mPrivateCache = $this->mSmaxage == 0 || session_id() != '';
+ } else {
+ $this->mPrivateCache = false;
+ }
+
+ if( $ctype == '' or ! in_array( $ctype, $allowedCTypes ) ) {
$this->mContentType = 'text/x-wiki';
} else {
$this->mContentType = $ctype;
}
}
-
+
function view() {
- global $wgUser, $wgOut, $wgScript;
+ global $wgOut, $wgRequest;
- if( strcmp( $wgScript, $_SERVER['PHP_SELF'] ) ) {
+ if( $wgRequest->isPathInfoBad() ) {
# 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.
-
- $destUrl = $this->mTitle->getFullUrl(
- 'action=raw' .
- '&ctype=' . urlencode( $this->mContentType ) .
- '&smaxage=' . urlencode( $this->mSmaxage ) .
- '&maxage=' . urlencode( $this->mMaxage ) .
- '&gen=' . urlencode( $this->mGen ) .
- '&oldid=' . urlencode( $this->mOldId ) );
- header( 'Location: ' . $destUrl );
- $wgOut->disable();
+ #
+ # We used to redirect to a canonical-form URL as a general
+ # backwards-compatibility / good-citizen nice thing. However
+ # a lot of servers are set up in buggy ways, resulting in
+ # redirect loops which hang the browser until the CSS load
+ # times out.
+ #
+ # Just return a 403 Forbidden and get it over with.
+ wfHttpError( 403, 'Forbidden',
+ 'Invalid file extension found in PATH_INFO. ' .
+ 'Raw pages must be accessed through the primary script entry point.' );
return;
}
-
+
header( "Content-type: ".$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) {
+ $mode = $this->mPrivateCache ? 'private' : 'public';
+ header( 'Cache-Control: '.$mode.', s-maxage='.$this->mSmaxage.', max-age='.$this->mMaxage );
+
+ global $wgUseFileCache;
+ if( $wgUseFileCache and HTMLFileCache::useFileCache() ) {
+ $cache = new HTMLFileCache( $this->mTitle, 'raw' );
+ if( $cache->isFileCacheGood( /* Assume up to date */ ) ) {
+ $cache->loadFromFileCache();
+ $wgOut->disable();
+ return;
+ } else {
+ ob_start( array(&$cache, 'saveToFileCache' ) );
+ }
+ }
+
+ $text = $this->getRawText();
+
+ if( !wfRunHooks( 'RawPageViewBeforeOutput', array( &$this, &$text ) ) ) {
+ wfDebug( __METHOD__ . ": RawPageViewBeforeOutput hook broke raw page output.\n" );
+ }
+
+ echo $text;
+ $wgOut->disable();
+ }
+
+ function getRawText() {
+ global $wgUser, $wgOut;
+ if( $this->mGen ) {
$sk = $wgUser->getSkin();
- $sk->initPage($wgOut);
- if($this->mGen == 'css') {
- echo $sk->getUserStylesheet();
- } else if($this->mGen == 'js') {
- echo $sk->getUserJs();
+ if( !StubObject::isRealObject( $wgOut ) )
+ $wgOut->_unstub( 2 );
+ $sk->initPage( $wgOut );
+ if( $this->mGen == 'css' ) {
+ return $sk->generateUserStylesheet();
+ } else if( $this->mGen == 'js' ) {
+ return $sk->generateUserJs();
}
} else {
- echo $this->getrawtext();
+ return $this->getArticleText();
}
- $wgOut->disable();
}
-
- function getrawtext () {
- global $wgInputEncoding, $wgContLang;
- $fname = 'RawPage::getrawtext';
-
- if( !$this->mTitle ) return '';
-
- # Special case for MediaWiki: messages; we can hit the message cache.
- if( $this->mTitle->getNamespace() == NS_MEDIAWIKI) {
- $rawtext = wfMsg( $this->mTitle->getDbkey() );
- return $rawtext;
+
+ function getArticleText() {
+ $found = false;
+ $text = '';
+ if( $this->mTitle ) {
+ // If it's a MediaWiki message we can just hit the message cache
+ if( $this->mUseMessageCache && $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
+ $key = $this->mTitle->getDBkey();
+ $text = wfMsgForContentNoTrans( $key );
+ # If the message doesn't exist, return a blank
+ if( wfEmptyMsg( $key, $text ) )
+ $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: $lastmod" );
+
+ if( !is_null($this->mSection ) ) {
+ global $wgParser;
+ $text = $wgParser->getSection ( $rev->getText(), $this->mSection );
+ } else
+ $text = $rev->getText();
+ $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 );
- return $rev->getText();
- } else {
- return '';
+
+ # Bad title or page does not exist
+ if( !$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" );
}
+
+ // Special-case for empty CSS/JS
+ //
+ // Internet Explorer for Mac handles empty files badly;
+ // particularly so when keep-alive is active. It can lead
+ // to long timeouts as it seems to sit there waiting for
+ // more data that never comes.
+ //
+ // Give it a comment...
+ if( strlen( $text ) == 0 &&
+ ($this->mContentType == 'text/css' ||
+ $this->mContentType == 'text/javascript' ) ) {
+ return "/* Empty */";
+ }
+
+ return $this->parseArticleText( $text );
+ }
+
+ function parseArticleText( $text ) {
+ if( $text === '' )
+ return '';
+ else
+ if( $this->mExpandTemplates ) {
+ global $wgParser;
+ return $wgParser->preprocess( $text, $this->mTitle, new ParserOptions() );
+ } else
+ return $text;
}
}
-?>
dépôts / lhc / web / wiklou.git / blobdiff