+++ /dev/null
-<?php
-/**
- * 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 <wicke@wikidev.net>
- * @file
- */
-
-/**
- * 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;
-
- # 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;
-
- # Force caching for CSS and JS raw content, default: 5 minutes
- if( is_null( $smaxage ) && ( $ctype == 'text/css' || $ctype == $wgJsMimeType ) ) {
- global $wgForcedRawSMaxage;
- $this->mSmaxage = intval( $wgForcedRawSMaxage );
- } else {
- $this->mSmaxage = intval( $smaxage );
- }
- $this->mMaxage = $maxage;
-
- # Output may contain user-specific data;
- # vary generated content for open sessions and private wikis
- if( $this->mGen || !$wgGroupPermissions['*']['read'] ) {
- $this->mPrivateCache = $this->mSmaxage == 0 || session_id() != '';
- } else {
- $this->mPrivateCache = false;
- }
-
- if( $ctype == '' || !in_array( $ctype, $allowedCTypes ) ) {
- $this->mContentType = 'text/x-wiki';
- } else {
- $this->mContentType = $ctype;
- }
- }
-
- function view() {
- global $wgOut, $wgRequest;
-
- if( !$wgRequest->checkUrlExtension() ) {
- $wgOut->disable();
- return;
- }
-
- header( 'Content-type: ' . $this->mContentType . '; charset=' . $this->mCharset );
- # allow the client to cache this for 24 hours
- $mode = $this->mPrivateCache ? 'private' : 'public';
- header( 'Cache-Control: ' . $mode . ', s-maxage=' . $this->mSmaxage . ', max-age=' . $this->mMaxage );
-
- global $wgUseFileCache;
- if( $wgUseFileCache && 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();
- 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 {
- 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->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();
- }
- $found = true;
- }
- }
- }
-
- # Bad title or page does not exist
- if( !$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;
- }
- }
- }
-}
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff