This only renames the file, not the class itself.
Change-Id: I53dfa5ae98c8f45b32f911419217692cfd760cd7
'MagicWord' => 'includes/MagicWord.php',
'MagicWordArray' => 'includes/MagicWord.php',
'MailAddress' => 'includes/UserMailer.php',
- 'MediaWiki' => 'includes/Wiki.php',
+ 'MediaWiki' => 'includes/MediaWiki.php',
'MediaWikiI18N' => 'includes/SkinTemplate.php',
'MediaWikiVersionFetcher' => 'includes/MediaWikiVersionFetcher.php',
'Message' => 'includes/Message.php',
--- /dev/null
+<?php
+/**
+ * Helper class for the index.php entry point.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * The MediaWiki class is the helper class for the index.php entry point.
+ *
+ * @internal documentation reviewed 15 Mar 2010
+ */
+class MediaWiki {
+ /**
+ * @todo Fold $output, etc, into this
+ * @var IContextSource
+ */
+ private $context;
+
+ /**
+ * @param null|WebRequest $x
+ * @return WebRequest
+ */
+ public function request( WebRequest $x = null ) {
+ $old = $this->context->getRequest();
+ $this->context->setRequest( $x );
+ return $old;
+ }
+
+ /**
+ * @param null|OutputPage $x
+ * @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 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( $title ) === ''
+ && !$request->getCheck( 'curid' )
+ && $action !== 'delete'
+ ) {
+ $ret = Title::newMainPage();
+ }
+
+ if ( $ret === null || ( $ret->getDBkey() == '' && !$ret->isExternal() ) ) {
+ $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;
+ }
+
+ /**
+ * 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->isExternal() )
+ || $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->isExternal() ) {
+ $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;
+ $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 Title $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->setStatusCode( 404 );
+ $output->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
+ }
+
+ wfProfileOut( __METHOD__ );
+ }
+
+ /**
+ * Run the current MediaWiki instance
+ * index.php just calls this
+ */
+ public function run() {
+ try {
+ $this->checkMaxLag();
+ try {
+ $this->main();
+ } catch ( ErrorPageError $e ) {
+ // Bug 62091: while exceptions are convenient to bubble up GUI errors,
+ // they are not internal application faults. As with normal requests, this
+ // should commit, print the output, do deferred updates, jobs, and profiling.
+ wfGetLBFactory()->commitMasterChanges();
+ $e->report(); // display the GUI error
+ }
+ if ( function_exists( 'fastcgi_finish_request' ) ) {
+ fastcgi_finish_request();
+ }
+ $this->triggerJobs();
+ $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->getProtocol() == 'http' &&
+ (
+ $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()
+ )
+ )
+ ) {
+ $oldUrl = $request->getFullRequestURL();
+ $redirUrl = preg_replace( '#^http://#', 'https://', $oldUrl );
+
+ // ATTENTION: This hook is likely to be removed soon due to overall design of the system.
+ if ( wfRunHooks( 'BeforeHttpsRedirect', array( $this->context, &$redirUrl ) ) ) {
+
+ 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
+ // Assume we're viewing the latest revision (this should always be the case with file cache)
+ $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' );
+ }
+
+ // Actually do the work of the request and build up any output
+ $this->performRequest();
+
+ // Either all DB and deferred updates should happen or none.
+ // The later should not be cancelled due to client disconnect.
+ ignore_user_abort( true );
+ // 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' );
+
+ // 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" );
+ }
+
+ /**
+ * Potentially open a socket and sent an HTTP request back to the server
+ * to run a specified number of jobs. This registers a callback to cleanup
+ * the socket once it's done.
+ */
+ protected function triggerJobs() {
+ global $wgJobRunRate, $wgServer, $wgRunJobsAsync;
+
+ if ( $wgJobRunRate <= 0 || wfReadOnly() ) {
+ return;
+ } elseif ( $this->getTitle()->isSpecial( 'RunJobs' ) ) {
+ return; // recursion guard
+ }
+
+ $section = new ProfileSection( __METHOD__ );
+
+ 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( $wgJobRunRate );
+ }
+
+ if ( !$wgRunJobsAsync ) {
+ // If running jobs asynchronously has been disabled, run the job here
+ // while the user waits
+ SpecialRunJobs::executeJobs( $n );
+ return;
+ }
+
+ try {
+ if ( !JobQueueGroup::singleton()->queuesHaveJobs( JobQueueGroup::TYPE_DEFAULT ) ) {
+ return; // do not send request if there are probably no jobs
+ }
+ } catch ( JobQueueError $e ) {
+ MWExceptionHandler::logException( $e );
+ return; // do not make the site unavailable
+ }
+
+ $query = array( 'title' => 'Special:RunJobs',
+ 'tasks' => 'jobs', 'maxjobs' => $n, 'sigexpiry' => time() + 5 );
+ $query['signature'] = SpecialRunJobs::getQuerySignature( $query );
+
+ $errno = $errstr = null;
+ $info = wfParseUrl( $wgServer );
+ wfSuppressWarnings();
+ $sock = fsockopen(
+ $info['host'],
+ isset( $info['port'] ) ? $info['port'] : 80,
+ $errno,
+ $errstr,
+ // If it takes more than 100ms to connect to ourselves there
+ // is a problem elsewhere.
+ 0.1
+ );
+ wfRestoreWarnings();
+ if ( !$sock ) {
+ wfDebugLog( 'runJobs', "Failed to start cron API (socket error $errno): $errstr\n" );
+ // Fall back to running the job here while the user waits
+ SpecialRunJobs::executeJobs( $n );
+ return;
+ }
+
+ $url = wfAppendQuery( wfScript( 'index' ), $query );
+ $req = "POST $url HTTP/1.1\r\nHost: {$info['host']}\r\nConnection: Close\r\n\r\n";
+
+ wfDebugLog( 'runJobs', "Running $n job(s) via '$url'\n" );
+ // Send a cron API request to be performed in the background.
+ // Give up if this takes too long to send (which should be rare).
+ stream_set_timeout( $sock, 1 );
+ $bytes = fwrite( $sock, $req );
+ if ( $bytes !== strlen( $req ) ) {
+ wfDebugLog( 'runJobs', "Failed to start cron API (socket write error)\n" );
+ } else {
+ // Do not wait for the response (the script should handle client aborts).
+ // Make sure that we don't close before that script reaches ignore_user_abort().
+ $status = fgets( $sock );
+ if ( !preg_match( '#^HTTP/\d\.\d 202 #', $status ) ) {
+ wfDebugLog( 'runJobs', "Failed to start cron API: received '$status'\n" );
+ }
+ }
+ fclose( $sock );
+ }
+}
+++ /dev/null
-<?php
-/**
- * Helper class for the index.php entry point.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- * http://www.gnu.org/copyleft/gpl.html
- *
- * @file
- */
-
-/**
- * The MediaWiki class is the helper class for the index.php entry point.
- *
- * @internal documentation reviewed 15 Mar 2010
- */
-class MediaWiki {
- /**
- * @todo Fold $output, etc, into this
- * @var IContextSource
- */
- private $context;
-
- /**
- * @param null|WebRequest $x
- * @return WebRequest
- */
- public function request( WebRequest $x = null ) {
- $old = $this->context->getRequest();
- $this->context->setRequest( $x );
- return $old;
- }
-
- /**
- * @param null|OutputPage $x
- * @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 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( $title ) === ''
- && !$request->getCheck( 'curid' )
- && $action !== 'delete'
- ) {
- $ret = Title::newMainPage();
- }
-
- if ( $ret === null || ( $ret->getDBkey() == '' && !$ret->isExternal() ) ) {
- $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;
- }
-
- /**
- * 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->isExternal() )
- || $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->isExternal() ) {
- $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;
- $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 Title $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->setStatusCode( 404 );
- $output->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
- }
-
- wfProfileOut( __METHOD__ );
- }
-
- /**
- * Run the current MediaWiki instance
- * index.php just calls this
- */
- public function run() {
- try {
- $this->checkMaxLag();
- try {
- $this->main();
- } catch ( ErrorPageError $e ) {
- // Bug 62091: while exceptions are convenient to bubble up GUI errors,
- // they are not internal application faults. As with normal requests, this
- // should commit, print the output, do deferred updates, jobs, and profiling.
- wfGetLBFactory()->commitMasterChanges();
- $e->report(); // display the GUI error
- }
- if ( function_exists( 'fastcgi_finish_request' ) ) {
- fastcgi_finish_request();
- }
- $this->triggerJobs();
- $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->getProtocol() == 'http' &&
- (
- $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()
- )
- )
- ) {
- $oldUrl = $request->getFullRequestURL();
- $redirUrl = preg_replace( '#^http://#', 'https://', $oldUrl );
-
- // ATTENTION: This hook is likely to be removed soon due to overall design of the system.
- if ( wfRunHooks( 'BeforeHttpsRedirect', array( $this->context, &$redirUrl ) ) ) {
-
- 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
- // Assume we're viewing the latest revision (this should always be the case with file cache)
- $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' );
- }
-
- // Actually do the work of the request and build up any output
- $this->performRequest();
-
- // Either all DB and deferred updates should happen or none.
- // The later should not be cancelled due to client disconnect.
- ignore_user_abort( true );
- // 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' );
-
- // 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" );
- }
-
- /**
- * Potentially open a socket and sent an HTTP request back to the server
- * to run a specified number of jobs. This registers a callback to cleanup
- * the socket once it's done.
- */
- protected function triggerJobs() {
- global $wgJobRunRate, $wgServer, $wgRunJobsAsync;
-
- if ( $wgJobRunRate <= 0 || wfReadOnly() ) {
- return;
- } elseif ( $this->getTitle()->isSpecial( 'RunJobs' ) ) {
- return; // recursion guard
- }
-
- $section = new ProfileSection( __METHOD__ );
-
- 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( $wgJobRunRate );
- }
-
- if ( !$wgRunJobsAsync ) {
- // If running jobs asynchronously has been disabled, run the job here
- // while the user waits
- SpecialRunJobs::executeJobs( $n );
- return;
- }
-
- try {
- if ( !JobQueueGroup::singleton()->queuesHaveJobs( JobQueueGroup::TYPE_DEFAULT ) ) {
- return; // do not send request if there are probably no jobs
- }
- } catch ( JobQueueError $e ) {
- MWExceptionHandler::logException( $e );
- return; // do not make the site unavailable
- }
-
- $query = array( 'title' => 'Special:RunJobs',
- 'tasks' => 'jobs', 'maxjobs' => $n, 'sigexpiry' => time() + 5 );
- $query['signature'] = SpecialRunJobs::getQuerySignature( $query );
-
- $errno = $errstr = null;
- $info = wfParseUrl( $wgServer );
- wfSuppressWarnings();
- $sock = fsockopen(
- $info['host'],
- isset( $info['port'] ) ? $info['port'] : 80,
- $errno,
- $errstr,
- // If it takes more than 100ms to connect to ourselves there
- // is a problem elsewhere.
- 0.1
- );
- wfRestoreWarnings();
- if ( !$sock ) {
- wfDebugLog( 'runJobs', "Failed to start cron API (socket error $errno): $errstr\n" );
- // Fall back to running the job here while the user waits
- SpecialRunJobs::executeJobs( $n );
- return;
- }
-
- $url = wfAppendQuery( wfScript( 'index' ), $query );
- $req = "POST $url HTTP/1.1\r\nHost: {$info['host']}\r\nConnection: Close\r\n\r\n";
-
- wfDebugLog( 'runJobs', "Running $n job(s) via '$url'\n" );
- // Send a cron API request to be performed in the background.
- // Give up if this takes too long to send (which should be rare).
- stream_set_timeout( $sock, 1 );
- $bytes = fwrite( $sock, $req );
- if ( $bytes !== strlen( $req ) ) {
- wfDebugLog( 'runJobs', "Failed to start cron API (socket write error)\n" );
- } else {
- // Do not wait for the response (the script should handle client aborts).
- // Make sure that we don't close before that script reaches ignore_user_abort().
- $status = fgets( $sock );
- if ( !preg_match( '#^HTTP/\d\.\d 202 #', $status ) ) {
- wfDebugLog( 'runJobs', "Failed to start cron API: received '$status'\n" );
- }
- }
- fclose( $sock );
- }
-}
dépôts / lhc / web / wiklou.git / commitdiff