From c1f9b1f7b1b77776192048005dcc66dcf3df2bfb Mon Sep 17 00:00:00 2001 From: Pierre Schmitz Date: Sat, 27 Dec 2014 15:41:37 +0100 Subject: Update to MediaWiki 1.24.1 --- includes/Wiki.php | 701 ------------------------------------------------------ 1 file changed, 701 deletions(-) delete mode 100644 includes/Wiki.php (limited to 'includes/Wiki.php') diff --git a/includes/Wiki.php b/includes/Wiki.php deleted file mode 100644 index 074ec1ab..00000000 --- a/includes/Wiki.php +++ /dev/null @@ -1,701 +0,0 @@ -context->getRequest(); - $this->context->setRequest( $x ); - return $old; - } - - /** - * @param $x null|OutputPage - * @return OutputPage - */ - public function output( OutputPage $x = null ) { - $old = $this->context->getOutput(); - $this->context->setOutput( $x ); - return $old; - } - - /** - * @param IContextSource|null $context - */ - public function __construct( IContextSource $context = null ) { - if ( !$context ) { - $context = RequestContext::getMain(); - } - - $this->context = $context; - } - - /** - * Parse the request to get the Title object - * - * @return Title object to be $wgTitle - */ - private function parseTitle() { - global $wgContLang; - - $request = $this->context->getRequest(); - $curid = $request->getInt( 'curid' ); - $title = $request->getVal( 'title' ); - $action = $request->getVal( 'action', 'view' ); - - if ( $request->getCheck( 'search' ) ) { - // Compatibility with old search URLs which didn't use Special:Search - // Just check for presence here, so blank requests still - // show the search page when using ugly URLs (bug 8054). - $ret = SpecialPage::getTitleFor( 'Search' ); - } elseif ( $curid ) { - // URLs like this are generated by RC, because rc_title isn't always accurate - $ret = Title::newFromID( $curid ); - } else { - $ret = Title::newFromURL( $title ); - // Alias NS_MEDIA page URLs to NS_FILE...we only use NS_MEDIA - // in wikitext links to tell Parser to make a direct file link - if ( !is_null( $ret ) && $ret->getNamespace() == NS_MEDIA ) { - $ret = Title::makeTitle( NS_FILE, $ret->getDBkey() ); - } - // Check variant links so that interwiki links don't have to worry - // about the possible different language variants - if ( count( $wgContLang->getVariants() ) > 1 - && !is_null( $ret ) && $ret->getArticleID() == 0 ) - { - $wgContLang->findVariantLink( $title, $ret ); - } - } - - // If title is not provided, always allow oldid and diff to set the title. - // If title is provided, allow oldid and diff to override the title, unless - // we are talking about a special page which might use these parameters for - // other purposes. - if ( $ret === null || !$ret->isSpecialPage() ) { - // We can have urls with just ?diff=,?oldid= or even just ?diff= - $oldid = $request->getInt( 'oldid' ); - $oldid = $oldid ? $oldid : $request->getInt( 'diff' ); - // Allow oldid to override a changed or missing title - if ( $oldid ) { - $rev = Revision::newFromId( $oldid ); - $ret = $rev ? $rev->getTitle() : $ret; - } - } - - // Use the main page as default title if nothing else has been provided - if ( $ret === null && strval( $title ) === '' && $action !== 'delete' ) { - $ret = Title::newMainPage(); - } - - if ( $ret === null || ( $ret->getDBkey() == '' && $ret->getInterwiki() == '' ) ) { - $ret = SpecialPage::getTitleFor( 'Badtitle' ); - } - - return $ret; - } - - /** - * Get the Title object that we'll be acting on, as specified in the WebRequest - * @return Title - */ - public function getTitle() { - if ( $this->context->getTitle() === null ) { - $this->context->setTitle( $this->parseTitle() ); - } - return $this->context->getTitle(); - } - - /** - * Returns the name of the action that will be executed. - * - * @return string: action - */ - public function getAction() { - static $action = null; - - if ( $action === null ) { - $action = Action::getActionName( $this->context ); - } - - return $action; - } - - /** - * Create an Article object of the appropriate class for the given page. - * - * @deprecated in 1.18; use Article::newFromTitle() instead - * @param $title Title - * @param $context IContextSource - * @return Article object - */ - public static function articleFromTitle( $title, IContextSource $context ) { - wfDeprecated( __METHOD__, '1.18' ); - return Article::newFromTitle( $title, $context ); - } - - /** - * Performs the request. - * - bad titles - * - read restriction - * - local interwiki redirects - * - redirect loop - * - special pages - * - normal pages - * - * @throws MWException|PermissionsError|BadTitleError|HttpError - * @return void - */ - private function performRequest() { - global $wgServer, $wgUsePathInfo, $wgTitle; - - wfProfileIn( __METHOD__ ); - - $request = $this->context->getRequest(); - $requestTitle = $title = $this->context->getTitle(); - $output = $this->context->getOutput(); - $user = $this->context->getUser(); - - if ( $request->getVal( 'printable' ) === 'yes' ) { - $output->setPrintable(); - } - - $unused = null; // To pass it by reference - wfRunHooks( 'BeforeInitialize', array( &$title, &$unused, &$output, &$user, $request, $this ) ); - - // Invalid titles. Bug 21776: The interwikis must redirect even if the page name is empty. - if ( is_null( $title ) || ( $title->getDBkey() == '' && $title->getInterwiki() == '' ) || - $title->isSpecial( 'Badtitle' ) ) - { - $this->context->setTitle( SpecialPage::getTitleFor( 'Badtitle' ) ); - wfProfileOut( __METHOD__ ); - throw new BadTitleError(); - } - - // Check user's permissions to read this page. - // We have to check here to catch special pages etc. - // We will check again in Article::view(). - $permErrors = $title->getUserPermissionsErrors( 'read', $user ); - if ( count( $permErrors ) ) { - // Bug 32276: allowing the skin to generate output with $wgTitle or - // $this->context->title set to the input title would allow anonymous users to - // determine whether a page exists, potentially leaking private data. In fact, the - // curid and oldid request parameters would allow page titles to be enumerated even - // when they are not guessable. So we reset the title to Special:Badtitle before the - // permissions error is displayed. - // - // The skin mostly uses $this->context->getTitle() these days, but some extensions - // still use $wgTitle. - - $badTitle = SpecialPage::getTitleFor( 'Badtitle' ); - $this->context->setTitle( $badTitle ); - $wgTitle = $badTitle; - - wfProfileOut( __METHOD__ ); - throw new PermissionsError( 'read', $permErrors ); - } - - $pageView = false; // was an article or special page viewed? - - // Interwiki redirects - if ( $title->getInterwiki() != '' ) { - $rdfrom = $request->getVal( 'rdfrom' ); - if ( $rdfrom ) { - $url = $title->getFullURL( array( 'rdfrom' => $rdfrom ) ); - } else { - $query = $request->getValues(); - unset( $query['title'] ); - $url = $title->getFullURL( $query ); - } - // Check for a redirect loop - if ( !preg_match( '/^' . preg_quote( $wgServer, '/' ) . '/', $url ) - && $title->isLocal() ) - { - // 301 so google et al report the target as the actual url. - $output->redirect( $url, 301 ); - } else { - $this->context->setTitle( SpecialPage::getTitleFor( 'Badtitle' ) ); - wfProfileOut( __METHOD__ ); - throw new BadTitleError(); - } - // Redirect loops, no title in URL, $wgUsePathInfo URLs, and URLs with a variant - } elseif ( $request->getVal( 'action', 'view' ) == 'view' && !$request->wasPosted() - && ( $request->getVal( 'title' ) === null || - $title->getPrefixedDBkey() != $request->getVal( 'title' ) ) - && !count( $request->getValueNames( array( 'action', 'title' ) ) ) - && wfRunHooks( 'TestCanonicalRedirect', array( $request, $title, $output ) ) ) - { - if ( $title->isSpecialPage() ) { - list( $name, $subpage ) = SpecialPageFactory::resolveAlias( $title->getDBkey() ); - if ( $name ) { - $title = SpecialPage::getTitleFor( $name, $subpage ); - } - } - $targetUrl = wfExpandUrl( $title->getFullURL(), PROTO_CURRENT ); - // Redirect to canonical url, make it a 301 to allow caching - if ( $targetUrl == $request->getFullRequestURL() ) { - $message = "Redirect loop detected!\n\n" . - "This means the wiki got confused about what page was " . - "requested; this sometimes happens when moving a wiki " . - "to a new server or changing the server configuration.\n\n"; - - if ( $wgUsePathInfo ) { - $message .= "The wiki is trying to interpret the page " . - "title from the URL path portion (PATH_INFO), which " . - "sometimes fails depending on the web server. Try " . - "setting \"\$wgUsePathInfo = false;\" in your " . - "LocalSettings.php, or check that \$wgArticlePath " . - "is correct."; - } else { - $message .= "Your web server was detected as possibly not " . - "supporting URL path components (PATH_INFO) correctly; " . - "check your LocalSettings.php for a customized " . - "\$wgArticlePath setting and/or toggle \$wgUsePathInfo " . - "to true."; - } - throw new HttpError( 500, $message ); - } else { - $output->setSquidMaxage( 1200 ); - $output->redirect( $targetUrl, '301' ); - } - // Special pages - } elseif ( NS_SPECIAL == $title->getNamespace() ) { - $pageView = true; - // Actions that need to be made when we have a special pages - SpecialPageFactory::executePath( $title, $this->context ); - } else { - // ...otherwise treat it as an article view. The article - // may be a redirect to another article or URL. - $article = $this->initializeArticle(); - if ( is_object( $article ) ) { - $pageView = true; - /** - * $wgArticle is deprecated, do not use it. - * @deprecated since 1.18 - */ - global $wgArticle; - $wgArticle = new DeprecatedGlobal( 'wgArticle', $article, '1.18' ); - - $this->performAction( $article, $requestTitle ); - } elseif ( is_string( $article ) ) { - $output->redirect( $article ); - } else { - wfProfileOut( __METHOD__ ); - throw new MWException( "Shouldn't happen: MediaWiki::initializeArticle()" - . " returned neither an object nor a URL" ); - } - } - - if ( $pageView ) { - // Promote user to any groups they meet the criteria for - $user->addAutopromoteOnceGroups( 'onView' ); - } - - wfProfileOut( __METHOD__ ); - } - - /** - * Initialize the main Article object for "standard" actions (view, etc) - * Create an Article object for the page, following redirects if needed. - * - * @return mixed an Article, or a string to redirect to another URL - */ - private function initializeArticle() { - global $wgDisableHardRedirects; - - wfProfileIn( __METHOD__ ); - - $title = $this->context->getTitle(); - if ( $this->context->canUseWikiPage() ) { - // Try to use request context wiki page, as there - // is already data from db saved in per process - // cache there from this->getAction() call. - $page = $this->context->getWikiPage(); - $article = Article::newFromWikiPage( $page, $this->context ); - } else { - // This case should not happen, but just in case. - $article = Article::newFromTitle( $title, $this->context ); - $this->context->setWikiPage( $article->getPage() ); - } - - // NS_MEDIAWIKI has no redirects. - // It is also used for CSS/JS, so performance matters here... - if ( $title->getNamespace() == NS_MEDIAWIKI ) { - wfProfileOut( __METHOD__ ); - return $article; - } - - $request = $this->context->getRequest(); - - // Namespace might change when using redirects - // Check for redirects ... - $action = $request->getVal( 'action', 'view' ); - $file = ( $title->getNamespace() == NS_FILE ) ? $article->getFile() : null; - if ( ( $action == 'view' || $action == 'render' ) // ... for actions that show content - && !$request->getVal( 'oldid' ) && // ... and are not old revisions - !$request->getVal( 'diff' ) && // ... and not when showing diff - $request->getVal( 'redirect' ) != 'no' && // ... unless explicitly told not to - // ... and the article is not a non-redirect image page with associated file - !( is_object( $file ) && $file->exists() && !$file->getRedirected() ) ) - { - // Give extensions a change to ignore/handle redirects as needed - $ignoreRedirect = $target = false; - - wfRunHooks( 'InitializeArticleMaybeRedirect', - array( &$title, &$request, &$ignoreRedirect, &$target, &$article ) ); - - // Follow redirects only for... redirects. - // If $target is set, then a hook wanted to redirect. - if ( !$ignoreRedirect && ( $target || $article->isRedirect() ) ) { - // Is the target already set by an extension? - $target = $target ? $target : $article->followRedirect(); - if ( is_string( $target ) ) { - if ( !$wgDisableHardRedirects ) { - // we'll need to redirect - wfProfileOut( __METHOD__ ); - return $target; - } - } - if ( is_object( $target ) ) { - // Rewrite environment to redirected article - $rarticle = Article::newFromTitle( $target, $this->context ); - $rarticle->loadPageData(); - if ( $rarticle->exists() || ( is_object( $file ) && !$file->isLocal() ) ) { - $rarticle->setRedirectedFrom( $title ); - $article = $rarticle; - $this->context->setTitle( $target ); - $this->context->setWikiPage( $article->getPage() ); - } - } - } else { - $this->context->setTitle( $article->getTitle() ); - $this->context->setWikiPage( $article->getPage() ); - } - } - - wfProfileOut( __METHOD__ ); - return $article; - } - - /** - * Perform one of the "standard" actions - * - * @param $page Page - * @param $requestTitle The original title, before any redirects were applied - */ - private function performAction( Page $page, Title $requestTitle ) { - global $wgUseSquid, $wgSquidMaxage; - - wfProfileIn( __METHOD__ ); - - $request = $this->context->getRequest(); - $output = $this->context->getOutput(); - $title = $this->context->getTitle(); - $user = $this->context->getUser(); - - if ( !wfRunHooks( 'MediaWikiPerformAction', - array( $output, $page, $title, $user, $request, $this ) ) ) - { - wfProfileOut( __METHOD__ ); - return; - } - - $act = $this->getAction(); - - $action = Action::factory( $act, $page, $this->context ); - - if ( $action instanceof Action ) { - # Let Squid cache things if we can purge them. - if ( $wgUseSquid && - in_array( $request->getFullRequestURL(), $requestTitle->getSquidURLs() ) - ) { - $output->setSquidMaxage( $wgSquidMaxage ); - } - - $action->show(); - wfProfileOut( __METHOD__ ); - return; - } - - if ( wfRunHooks( 'UnknownAction', array( $request->getVal( 'action', 'view' ), $page ) ) ) { - $output->showErrorPage( 'nosuchaction', 'nosuchactiontext' ); - } - - wfProfileOut( __METHOD__ ); - } - - /** - * Run the current MediaWiki instance - * index.php just calls this - */ - public function run() { - try { - $this->checkMaxLag(); - $this->main(); - $this->restInPeace(); - } catch ( Exception $e ) { - MWExceptionHandler::handle( $e ); - } - } - - /** - * Checks if the request should abort due to a lagged server, - * for given maxlag parameter. - * @return bool - */ - private function checkMaxLag() { - global $wgShowHostnames; - - wfProfileIn( __METHOD__ ); - $maxLag = $this->context->getRequest()->getVal( 'maxlag' ); - if ( !is_null( $maxLag ) ) { - list( $host, $lag ) = wfGetLB()->getMaxLag(); - if ( $lag > $maxLag ) { - $resp = $this->context->getRequest()->response(); - $resp->header( 'HTTP/1.1 503 Service Unavailable' ); - $resp->header( 'Retry-After: ' . max( intval( $maxLag ), 5 ) ); - $resp->header( 'X-Database-Lag: ' . intval( $lag ) ); - $resp->header( 'Content-Type: text/plain' ); - if ( $wgShowHostnames ) { - echo "Waiting for $host: $lag seconds lagged\n"; - } else { - echo "Waiting for a database server: $lag seconds lagged\n"; - } - - wfProfileOut( __METHOD__ ); - - exit; - } - } - wfProfileOut( __METHOD__ ); - return true; - } - - private function main() { - global $wgUseFileCache, $wgTitle, $wgUseAjax; - - wfProfileIn( __METHOD__ ); - - $request = $this->context->getRequest(); - - // Send Ajax requests to the Ajax dispatcher. - if ( $wgUseAjax && $request->getVal( 'action', 'view' ) == 'ajax' ) { - - // Set a dummy title, because $wgTitle == null might break things - $title = Title::makeTitle( NS_MAIN, 'AJAX' ); - $this->context->setTitle( $title ); - $wgTitle = $title; - - $dispatcher = new AjaxDispatcher(); - $dispatcher->performAction(); - wfProfileOut( __METHOD__ ); - return; - } - - // Get title from request parameters, - // is set on the fly by parseTitle the first time. - $title = $this->getTitle(); - $action = $this->getAction(); - $wgTitle = $title; - - // If the user has forceHTTPS set to true, or if the user - // is in a group requiring HTTPS, or if they have the HTTPS - // preference set, redirect them to HTTPS. - // Note: Do this after $wgTitle is setup, otherwise the hooks run from - // isLoggedIn() will do all sorts of weird stuff. - if ( - ( - $request->getCookie( 'forceHTTPS', '' ) || - // check for prefixed version for currently logged in users - $request->getCookie( 'forceHTTPS' ) || - // Avoid checking the user and groups unless it's enabled. - ( - $this->context->getUser()->isLoggedIn() - && $this->context->getUser()->requiresHTTPS() - ) - ) && - $request->detectProtocol() == 'http' - ) { - $oldUrl = $request->getFullRequestURL(); - $redirUrl = str_replace( 'http://', 'https://', $oldUrl ); - - if ( $request->wasPosted() ) { - // This is weird and we'd hope it almost never happens. This - // means that a POST came in via HTTP and policy requires us - // redirecting to HTTPS. It's likely such a request is going - // to fail due to post data being lost, but let's try anyway - // and just log the instance. - // - // @todo @fixme See if we could issue a 307 or 308 here, need - // to see how clients (automated & browser) behave when we do - wfDebugLog( 'RedirectedPosts', "Redirected from HTTP to HTTPS: $oldUrl" ); - } - - // Setup dummy Title, otherwise OutputPage::redirect will fail - $title = Title::newFromText( NS_MAIN, 'REDIR' ); - $this->context->setTitle( $title ); - $output = $this->context->getOutput(); - // Since we only do this redir to change proto, always send a vary header - $output->addVaryHeader( 'X-Forwarded-Proto' ); - $output->redirect( $redirUrl ); - $output->output(); - wfProfileOut( __METHOD__ ); - return; - } - - if ( $wgUseFileCache && $title->getNamespace() >= 0 ) { - wfProfileIn( 'main-try-filecache' ); - if ( HTMLFileCache::useFileCache( $this->context ) ) { - // Try low-level file cache hit - $cache = HTMLFileCache::newFromTitle( $title, $action ); - if ( $cache->isCacheGood( /* Assume up to date */ ) ) { - // Check incoming headers to see if client has this cached - $timestamp = $cache->cacheTimestamp(); - if ( !$this->context->getOutput()->checkLastModified( $timestamp ) ) { - $cache->loadFromFileCache( $this->context ); - } - // Do any stats increment/watchlist stuff - $this->context->getWikiPage()->doViewUpdates( $this->context->getUser() ); - // Tell OutputPage that output is taken care of - $this->context->getOutput()->disable(); - wfProfileOut( 'main-try-filecache' ); - wfProfileOut( __METHOD__ ); - return; - } - } - wfProfileOut( 'main-try-filecache' ); - } - - $this->performRequest(); - - // Now commit any transactions, so that unreported errors after - // output() don't roll back the whole DB transaction - wfGetLBFactory()->commitMasterChanges(); - - // Output everything! - $this->context->getOutput()->output(); - - wfProfileOut( __METHOD__ ); - } - - /** - * Ends this task peacefully - */ - public function restInPeace() { - // Do any deferred jobs - DeferredUpdates::doUpdates( 'commit' ); - - // Execute a job from the queue - $this->doJobs(); - - // Log profiling data, e.g. in the database or UDP - wfLogProfilingData(); - - // Commit and close up! - $factory = wfGetLBFactory(); - $factory->commitMasterChanges(); - $factory->shutdown(); - - wfDebug( "Request ended normally\n" ); - } - - /** - * Do a job from the job queue - */ - private function doJobs() { - global $wgJobRunRate, $wgPhpCli, $IP; - - if ( $wgJobRunRate <= 0 || wfReadOnly() ) { - return; - } - - if ( $wgJobRunRate < 1 ) { - $max = mt_getrandmax(); - if ( mt_rand( 0, $max ) > $max * $wgJobRunRate ) { - return; // the higher $wgJobRunRate, the less likely we return here - } - $n = 1; - } else { - $n = intval( $wgJobRunRate ); - } - - if ( !wfShellExecDisabled() && is_executable( $wgPhpCli ) ) { - // Start a background process to run some of the jobs - wfProfileIn( __METHOD__ . '-exec' ); - $retVal = 1; - $cmd = wfShellWikiCmd( "$IP/maintenance/runJobs.php", array( '--maxjobs', $n ) ); - $cmd .= " >" . wfGetNull() . " 2>&1"; // don't hang PHP on pipes - if ( wfIsWindows() ) { - // Using START makes this async and also works around a bug where using - // wfShellExec() with a quoted script name causes a filename syntax error. - $cmd = "START /B \"bg\" $cmd"; - } else { - $cmd = "$cmd &"; - } - wfShellExec( $cmd, $retVal ); - wfProfileOut( __METHOD__ . '-exec' ); - } else { - try { - // Fallback to running the jobs here while the user waits - $group = JobQueueGroup::singleton(); - do { - $job = $group->pop( JobQueueGroup::USE_CACHE ); // job from any queue - if ( $job ) { - $output = $job->toString() . "\n"; - $t = - microtime( true ); - wfProfileIn( __METHOD__ . '-' . get_class( $job ) ); - $success = $job->run(); - wfProfileOut( __METHOD__ . '-' . get_class( $job ) ); - $group->ack( $job ); // done - $t += microtime( true ); - $t = round( $t * 1000 ); - if ( $success === false ) { - $output .= "Error: " . $job->getLastError() . ", Time: $t ms\n"; - } else { - $output .= "Success, Time: $t ms\n"; - } - wfDebugLog( 'jobqueue', $output ); - } - } while ( --$n && $job ); - } catch ( MWException $e ) { - // We don't want exceptions thrown during job execution to - // be reported to the user since the output is already sent. - // Instead we just log them. - MWExceptionHandler::logException( $e ); - } - } - } -} -- cgit v1.2.3-54-g00ecf