--- /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, $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 = 'UTF-8';
+
+ # 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();
+ $msg = wfMessage( $key )->inContentLanguage();
+ # If the message doesn't exist, return a blank
+ $text = !$msg->exists() ? '' : $msg->plain();
+ $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' );
+ }
+
+ return $this->parseArticleText( $text );
+ }
+
+ /**
+ * @param $text
+ * @return string
+ */
+ 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 / commitdiff