'DiffHistoryBlob' => 'includes/HistoryBlob.php',
'DjVuImage' => 'includes/DjVuImage.php',
'DoubleReplacer' => 'includes/StringUtils.php',
- 'DoubleRedirectJob' => 'includes/DoubleRedirectJob.php',
+ 'DoubleRedirectJob' => 'includes/job/DoubleRedirectJob.php',
'DublinCoreRdf' => 'includes/Metadata.php',
'Dump7ZipOutput' => 'includes/Export.php',
'DumpBZip2Output' => 'includes/Export.php',
'DumpPipeOutput' => 'includes/Export.php',
'eAccelBagOStuff' => 'includes/BagOStuff.php',
'EditPage' => 'includes/EditPage.php',
- 'EmaillingJob' => 'includes/EmaillingJob.php',
+ 'EmaillingJob' => 'includes/job/EmaillingJob.php',
'EmailNotification' => 'includes/UserMailer.php',
'EnhancedChangesList' => 'includes/ChangesList.php',
- 'EnotifNotifyJob' => 'includes/EnotifNotifyJob.php',
+ 'EnotifNotifyJob' => 'includes/job/EnotifNotifyJob.php',
'ErrorPageError' => 'includes/Exception.php',
'Exif' => 'includes/Exif.php',
'ExplodeIterator' => 'includes/StringUtils.php',
'IndexPager' => 'includes/Pager.php',
'Interwiki' => 'includes/Interwiki.php',
'IP' => 'includes/IP.php',
- 'Job' => 'includes/JobQueue.php',
+ 'Job' => 'includes/job/JobQueue.php',
'JSMin' => 'includes/JSMin.php',
'LCStore_DB' => 'includes/LocalisationCache.php',
'LCStore_CDB' => 'includes/LocalisationCache.php',
'RCCacheEntry' => 'includes/ChangesList.php',
'RdfMetaData' => 'includes/Metadata.php',
'RecentChange' => 'includes/RecentChange.php',
- 'RefreshLinksJob' => 'includes/RefreshLinksJob.php',
- 'RefreshLinksJob2' => 'includes/RefreshLinksJob.php',
+ 'RefreshLinksJob' => 'includes/job/RefreshLinksJob.php',
+ 'RefreshLinksJob2' => 'includes/job/RefreshLinksJob.php',
'RegexlikeReplacer' => 'includes/StringUtils.php',
'ReplacementArray' => 'includes/StringUtils.php',
'Replacer' => 'includes/StringUtils.php',
'UploadFromStash' => 'includes/upload/UploadFromStash.php',
'UploadFromFile' => 'includes/upload/UploadFromFile.php',
'UploadFromUrl' => 'includes/upload/UploadFromUrl.php',
- 'UploadFromUrlJob' => 'includes/UploadFromUrlJob.php',
+ 'UploadFromUrlJob' => 'includes/job/UploadFromUrlJob.php',
'User' => 'includes/User.php',
'UserArray' => 'includes/UserArray.php',
'UserArrayFromResult' => 'includes/UserArray.php',
+++ /dev/null
-<?php
-
-/**
- * Job to fix double redirects after moving a page
- *
- * @ingroup JobQueue
- */
-class DoubleRedirectJob extends Job {
- var $reason, $redirTitle, $destTitleText;
- static $user;
-
- /**
- * Insert jobs into the job queue to fix redirects to the given title
- * @param $reason String: the reason for the fix, see message double-redirect-fixed-<reason>
- * @param $redirTitle Title: the title which has changed, redirects pointing to this title are fixed
- * @param $destTitle Not used
- */
- public static function fixRedirects( $reason, $redirTitle, $destTitle = false ) {
- # Need to use the master to get the redirect table updated in the same transaction
- $dbw = wfGetDB( DB_MASTER );
- $res = $dbw->select(
- array( 'redirect', 'page' ),
- array( 'page_namespace', 'page_title' ),
- array(
- 'page_id = rd_from',
- 'rd_namespace' => $redirTitle->getNamespace(),
- 'rd_title' => $redirTitle->getDBkey()
- ), __METHOD__ );
- if ( !$res->numRows() ) {
- return;
- }
- $jobs = array();
- foreach ( $res as $row ) {
- $title = Title::makeTitle( $row->page_namespace, $row->page_title );
- if ( !$title ) {
- continue;
- }
-
- $jobs[] = new self( $title, array(
- 'reason' => $reason,
- 'redirTitle' => $redirTitle->getPrefixedDBkey() ) );
- # Avoid excessive memory usage
- if ( count( $jobs ) > 10000 ) {
- Job::batchInsert( $jobs );
- $jobs = array();
- }
- }
- Job::batchInsert( $jobs );
- }
- function __construct( $title, $params = false, $id = 0 ) {
- parent::__construct( 'fixDoubleRedirect', $title, $params, $id );
- $this->reason = $params['reason'];
- $this->redirTitle = Title::newFromText( $params['redirTitle'] );
- $this->destTitleText = !empty( $params['destTitle'] ) ? $params['destTitle'] : '';
- }
-
- function run() {
- if ( !$this->redirTitle ) {
- $this->setLastError( 'Invalid title' );
- return false;
- }
-
- $targetRev = Revision::newFromTitle( $this->title );
- if ( !$targetRev ) {
- wfDebug( __METHOD__.": target redirect already deleted, ignoring\n" );
- return true;
- }
- $text = $targetRev->getText();
- $currentDest = Title::newFromRedirect( $text );
- if ( !$currentDest || !$currentDest->equals( $this->redirTitle ) ) {
- wfDebug( __METHOD__.": Redirect has changed since the job was queued\n" );
- return true;
- }
-
- # Check for a suppression tag (used e.g. in periodically archived discussions)
- $mw = MagicWord::get( 'staticredirect' );
- if ( $mw->match( $text ) ) {
- wfDebug( __METHOD__.": skipping: suppressed with __STATICREDIRECT__\n" );
- return true;
- }
-
- # Find the current final destination
- $newTitle = self::getFinalDestination( $this->redirTitle );
- if ( !$newTitle ) {
- wfDebug( __METHOD__.": skipping: single redirect, circular redirect or invalid redirect destination\n" );
- return true;
- }
- if ( $newTitle->equals( $this->redirTitle ) ) {
- # The redirect is already right, no need to change it
- # This can happen if the page was moved back (say after vandalism)
- wfDebug( __METHOD__.": skipping, already good\n" );
- }
-
- # Preserve fragment (bug 14904)
- $newTitle = Title::makeTitle( $newTitle->getNamespace(), $newTitle->getDBkey(),
- $currentDest->getFragment() );
-
- # Fix the text
- # Remember that redirect pages can have categories, templates, etc.,
- # so the regex has to be fairly general
- $newText = preg_replace( '/ \[ \[ [^\]]* \] \] /x',
- '[[' . $newTitle->getFullText() . ']]',
- $text, 1 );
-
- if ( $newText === $text ) {
- $this->setLastError( 'Text unchanged???' );
- return false;
- }
-
- # Save it
- global $wgUser;
- $oldUser = $wgUser;
- $wgUser = $this->getUser();
- $article = new Article( $this->title );
- $reason = wfMsgForContent( 'double-redirect-fixed-' . $this->reason,
- $this->redirTitle->getPrefixedText(), $newTitle->getPrefixedText() );
- $article->doEdit( $newText, $reason, EDIT_UPDATE | EDIT_SUPPRESS_RC );
- $wgUser = $oldUser;
-
- return true;
- }
-
- /**
- * Get the final destination of a redirect
- * @return false if the specified title is not a redirect, or if it is a circular redirect
- */
- public static function getFinalDestination( $title ) {
- $dbw = wfGetDB( DB_MASTER );
-
- $seenTitles = array(); # Circular redirect check
- $dest = false;
-
- while ( true ) {
- $titleText = $title->getPrefixedDBkey();
- if ( isset( $seenTitles[$titleText] ) ) {
- wfDebug( __METHOD__, "Circular redirect detected, aborting\n" );
- return false;
- }
- $seenTitles[$titleText] = true;
-
- $row = $dbw->selectRow(
- array( 'redirect', 'page' ),
- array( 'rd_namespace', 'rd_title' ),
- array(
- 'rd_from=page_id',
- 'page_namespace' => $title->getNamespace(),
- 'page_title' => $title->getDBkey()
- ), __METHOD__ );
- if ( !$row ) {
- # No redirect from here, chain terminates
- break;
- } else {
- $dest = $title = Title::makeTitle( $row->rd_namespace, $row->rd_title );
- }
- }
- return $dest;
- }
-
- /**
- * Get a user object for doing edits, from a request-lifetime cache
- */
- function getUser() {
- if ( !self::$user ) {
- self::$user = User::newFromName( wfMsgForContent( 'double-redirect-fixer' ), false );
- if ( !self::$user->isLoggedIn() ) {
- self::$user->addToDatabase();
- }
- }
- return self::$user;
- }
-}
-
+++ /dev/null
-<?php
-
-/**
- * Old job used for sending single notification emails;
- * kept for backwards-compatibility
- *
- * @ingroup JobQueue
- */
-class EmaillingJob extends Job {
-
- function __construct( $title, $params, $id = 0 ) {
- parent::__construct( 'sendMail', Title::newMainPage(), $params, $id );
- }
-
- function run() {
- userMailer(
- $this->params['to'],
- $this->params['from'],
- $this->params['subj'],
- $this->params['body'],
- $this->params['replyto']
- );
- return true;
- }
-
-}
+++ /dev/null
-<?php
-
-/**
- * Job for email notification mails
- *
- * @ingroup JobQueue
- */
-class EnotifNotifyJob extends Job {
-
- function __construct( $title, $params, $id = 0 ) {
- parent::__construct( 'enotifNotify', $title, $params, $id );
- }
-
- function run() {
- $enotif = new EmailNotification();
- // Get the user from ID (rename safe). Anons are 0, so defer to name.
- if( isset($this->params['editorID']) && $this->params['editorID'] ) {
- $editor = User::newFromId( $this->params['editorID'] );
- // B/C, only the name might be given.
- } else {
- $editor = User::newFromName( $this->params['editor'], false );
- }
- $enotif->actuallyNotifyOnPageChange(
- $editor,
- $this->title,
- $this->params['timestamp'],
- $this->params['summary'],
- $this->params['minorEdit'],
- $this->params['oldid'],
- $this->params['watchers']
- );
- return true;
- }
-
-}
+++ /dev/null
-<?php
-/**
- * @defgroup JobQueue JobQueue
- */
-
-if ( !defined( 'MEDIAWIKI' ) ) {
- die( "This file is part of MediaWiki, it is not a valid entry point\n" );
-}
-
-/**
- * Class to both describe a background job and handle jobs.
- *
- * @ingroup JobQueue
- */
-abstract class Job {
- var $command,
- $title,
- $params,
- $id,
- $removeDuplicates,
- $error;
-
- /*-------------------------------------------------------------------------
- * Abstract functions
- *------------------------------------------------------------------------*/
-
- /**
- * Run the job
- * @return boolean success
- */
- abstract function run();
-
- /*-------------------------------------------------------------------------
- * Static functions
- *------------------------------------------------------------------------*/
-
- /**
- * @deprecated use LinksUpdate::queueRecursiveJobs()
- */
- /**
- * static function queueLinksJobs( $titles ) {}
- */
-
- /**
- * Pop a job of a certain type. This tries less hard than pop() to
- * actually find a job; it may be adversely affected by concurrent job
- * runners.
- */
- static function pop_type( $type ) {
- wfProfilein( __METHOD__ );
-
- $dbw = wfGetDB( DB_MASTER );
-
- $row = $dbw->selectRow(
- 'job',
- '*',
- array( 'job_cmd' => $type ),
- __METHOD__,
- array( 'LIMIT' => 1 )
- );
-
- if ( $row === false ) {
- wfProfileOut( __METHOD__ );
- return false;
- }
-
- /* Ensure we "own" this row */
- $dbw->delete( 'job', array( 'job_id' => $row->job_id ), __METHOD__ );
- $affected = $dbw->affectedRows();
-
- if ( $affected == 0 ) {
- wfProfileOut( __METHOD__ );
- return false;
- }
-
- $namespace = $row->job_namespace;
- $dbkey = $row->job_title;
- $title = Title::makeTitleSafe( $namespace, $dbkey );
- $job = Job::factory( $row->job_cmd, $title, Job::extractBlob( $row->job_params ),
- $row->job_id );
-
- $dbw->delete( 'job', $job->insertFields(), __METHOD__ );
- $dbw->commit();
-
- wfProfileOut( __METHOD__ );
- return $job;
- }
-
- /**
- * Pop a job off the front of the queue
- *
- * @param $offset Integer: Number of jobs to skip
- * @return Job or false if there's no jobs
- */
- static function pop( $offset = 0 ) {
- wfProfileIn( __METHOD__ );
-
- $dbr = wfGetDB( DB_SLAVE );
-
- /* Get a job from the slave, start with an offset,
- scan full set afterwards, avoid hitting purged rows
-
- NB: If random fetch previously was used, offset
- will always be ahead of few entries
- */
-
- $row = $dbr->selectRow( 'job', '*', "job_id >= ${offset}", __METHOD__,
- array( 'ORDER BY' => 'job_id', 'LIMIT' => 1 ) );
-
- // Refetching without offset is needed as some of job IDs could have had delayed commits
- // and have lower IDs than jobs already executed, blame concurrency :)
- //
- if ( $row === false ) {
- if ( $offset != 0 ) {
- $row = $dbr->selectRow( 'job', '*', '', __METHOD__,
- array( 'ORDER BY' => 'job_id', 'LIMIT' => 1 ) );
- }
-
- if ( $row === false ) {
- wfProfileOut( __METHOD__ );
- return false;
- }
- }
- $offset = $row->job_id;
-
- // Try to delete it from the master
- $dbw = wfGetDB( DB_MASTER );
- $dbw->delete( 'job', array( 'job_id' => $row->job_id ), __METHOD__ );
- $affected = $dbw->affectedRows();
- $dbw->commit();
-
- if ( !$affected ) {
- // Failed, someone else beat us to it
- // Try getting a random row
- $row = $dbw->selectRow( 'job', array( 'MIN(job_id) as minjob',
- 'MAX(job_id) as maxjob' ), '1=1', __METHOD__ );
- if ( $row === false || is_null( $row->minjob ) || is_null( $row->maxjob ) ) {
- // No jobs to get
- wfProfileOut( __METHOD__ );
- return false;
- }
- // Get the random row
- $row = $dbw->selectRow( 'job', '*',
- 'job_id >= ' . mt_rand( $row->minjob, $row->maxjob ), __METHOD__ );
- if ( $row === false ) {
- // Random job gone before we got the chance to select it
- // Give up
- wfProfileOut( __METHOD__ );
- return false;
- }
- // Delete the random row
- $dbw->delete( 'job', array( 'job_id' => $row->job_id ), __METHOD__ );
- $affected = $dbw->affectedRows();
- $dbw->commit();
-
- if ( !$affected ) {
- // Random job gone before we exclusively deleted it
- // Give up
- wfProfileOut( __METHOD__ );
- return false;
- }
- }
-
- // If execution got to here, there's a row in $row that has been deleted from the database
- // by this thread. Hence the concurrent pop was successful.
- $namespace = $row->job_namespace;
- $dbkey = $row->job_title;
- $title = Title::makeTitleSafe( $namespace, $dbkey );
- $job = Job::factory( $row->job_cmd, $title, Job::extractBlob( $row->job_params ), $row->job_id );
-
- // Remove any duplicates it may have later in the queue
- // Deadlock prone section
- $dbw->begin();
- $dbw->delete( 'job', $job->insertFields(), __METHOD__ );
- $dbw->commit();
-
- wfProfileOut( __METHOD__ );
- return $job;
- }
-
- /**
- * Create the appropriate object to handle a specific job
- *
- * @param $command String: Job command
- * @param $title Title: Associated title
- * @param $params Array: Job parameters
- * @param $id Int: Job identifier
- * @return Job
- */
- static function factory( $command, $title, $params = false, $id = 0 ) {
- global $wgJobClasses;
- if( isset( $wgJobClasses[$command] ) ) {
- $class = $wgJobClasses[$command];
- return new $class( $title, $params, $id );
- }
- throw new MWException( "Invalid job command `{$command}`" );
- }
-
- static function makeBlob( $params ) {
- if ( $params !== false ) {
- return serialize( $params );
- } else {
- return '';
- }
- }
-
- static function extractBlob( $blob ) {
- if ( (string)$blob !== '' ) {
- return unserialize( $blob );
- } else {
- return false;
- }
- }
-
- /**
- * Batch-insert a group of jobs into the queue.
- * This will be wrapped in a transaction with a forced commit.
- *
- * This may add duplicate at insert time, but they will be
- * removed later on, when the first one is popped.
- *
- * @param $jobs array of Job objects
- */
- static function batchInsert( $jobs ) {
- if( !count( $jobs ) ) {
- return;
- }
- $dbw = wfGetDB( DB_MASTER );
- $rows = array();
- foreach( $jobs as $job ) {
- $rows[] = $job->insertFields();
- if ( count( $rows ) >= 50 ) {
- # Do a small transaction to avoid slave lag
- $dbw->begin();
- $dbw->insert( 'job', $rows, __METHOD__, 'IGNORE' );
- $dbw->commit();
- $rows = array();
- }
- }
- if ( $rows ) {
- $dbw->begin();
- $dbw->insert( 'job', $rows, __METHOD__, 'IGNORE' );
- $dbw->commit();
- }
- }
-
- /*-------------------------------------------------------------------------
- * Non-static functions
- *------------------------------------------------------------------------*/
-
- function __construct( $command, $title, $params = false, $id = 0 ) {
- $this->command = $command;
- $this->title = $title;
- $this->params = $params;
- $this->id = $id;
-
- // A bit of premature generalisation
- // Oh well, the whole class is premature generalisation really
- $this->removeDuplicates = true;
- }
-
- /**
- * Insert a single job into the queue.
- * @return bool true on success
- */
- function insert() {
- $fields = $this->insertFields();
-
- $dbw = wfGetDB( DB_MASTER );
-
- if ( $this->removeDuplicates ) {
- $res = $dbw->select( 'job', array( '1' ), $fields, __METHOD__ );
- if ( $dbw->numRows( $res ) ) {
- return;
- }
- }
- return $dbw->insert( 'job', $fields, __METHOD__ );
- }
-
- protected function insertFields() {
- $dbw = wfGetDB( DB_MASTER );
- return array(
- 'job_id' => $dbw->nextSequenceValue( 'job_job_id_seq' ),
- 'job_cmd' => $this->command,
- 'job_namespace' => $this->title->getNamespace(),
- 'job_title' => $this->title->getDBkey(),
- 'job_params' => Job::makeBlob( $this->params )
- );
- }
-
- function toString() {
- $paramString = '';
- if ( $this->params ) {
- foreach ( $this->params as $key => $value ) {
- if ( $paramString != '' ) {
- $paramString .= ' ';
- }
- $paramString .= "$key=$value";
- }
- }
-
- if ( is_object( $this->title ) ) {
- $s = "{$this->command} " . $this->title->getPrefixedDBkey();
- if ( $paramString !== '' ) {
- $s .= ' ' . $paramString;
- }
- return $s;
- } else {
- return "{$this->command} $paramString";
- }
- }
-
- protected function setLastError( $error ) {
- $this->error = $error;
- }
-
- function getLastError() {
- return $this->error;
- }
-}
+++ /dev/null
-<?php
-
-/**
- * Background job to update links for a given title.
- *
- * @ingroup JobQueue
- */
-class RefreshLinksJob extends Job {
-
- function __construct( $title, $params = '', $id = 0 ) {
- parent::__construct( 'refreshLinks', $title, $params, $id );
- }
-
- /**
- * Run a refreshLinks job
- * @return boolean success
- */
- function run() {
- global $wgParser;
- wfProfileIn( __METHOD__ );
-
- $linkCache = LinkCache::singleton();
- $linkCache->clear();
-
- if ( is_null( $this->title ) ) {
- $this->error = "refreshLinks: Invalid title";
- wfProfileOut( __METHOD__ );
- return false;
- }
-
- $revision = Revision::newFromTitle( $this->title );
- if ( !$revision ) {
- $this->error = 'refreshLinks: Article not found "' . $this->title->getPrefixedDBkey() . '"';
- wfProfileOut( __METHOD__ );
- return false;
- }
-
- wfProfileIn( __METHOD__.'-parse' );
- $options = new ParserOptions;
- $parserOutput = $wgParser->parse( $revision->getText(), $this->title, $options, true, true, $revision->getId() );
- wfProfileOut( __METHOD__.'-parse' );
- wfProfileIn( __METHOD__.'-update' );
- $update = new LinksUpdate( $this->title, $parserOutput, false );
- $update->doUpdate();
- wfProfileOut( __METHOD__.'-update' );
- wfProfileOut( __METHOD__ );
- return true;
- }
-}
-
-/**
- * Background job to update links for a given title.
- * Newer version for high use templates.
- *
- * @ingroup JobQueue
- */
-class RefreshLinksJob2 extends Job {
-
- function __construct( $title, $params, $id = 0 ) {
- parent::__construct( 'refreshLinks2', $title, $params, $id );
- }
-
- /**
- * Run a refreshLinks2 job
- * @return boolean success
- */
- function run() {
- global $wgParser;
-
- wfProfileIn( __METHOD__ );
-
- $linkCache = LinkCache::singleton();
- $linkCache->clear();
-
- if( is_null( $this->title ) ) {
- $this->error = "refreshLinks2: Invalid title";
- wfProfileOut( __METHOD__ );
- return false;
- }
- if( !isset($this->params['start']) || !isset($this->params['end']) ) {
- $this->error = "refreshLinks2: Invalid params";
- wfProfileOut( __METHOD__ );
- return false;
- }
- $titles = $this->title->getBacklinkCache()->getLinks(
- 'templatelinks', $this->params['start'], $this->params['end']);
-
- # Not suitable for page load triggered job running!
- # Gracefully switch to refreshLinks jobs if this happens.
- if( php_sapi_name() != 'cli' ) {
- $jobs = array();
- foreach ( $titles as $title ) {
- $jobs[] = new RefreshLinksJob( $title, '' );
- }
- Job::batchInsert( $jobs );
- return true;
- }
- # Re-parse each page that transcludes this page and update their tracking links...
- foreach ( $titles as $title ) {
- $revision = Revision::newFromTitle( $title );
- if ( !$revision ) {
- $this->error = 'refreshLinks: Article not found "' . $title->getPrefixedDBkey() . '"';
- wfProfileOut( __METHOD__ );
- return false;
- }
- wfProfileIn( __METHOD__.'-parse' );
- $options = new ParserOptions;
- $parserOutput = $wgParser->parse( $revision->getText(), $title, $options, true, true, $revision->getId() );
- wfProfileOut( __METHOD__.'-parse' );
- wfProfileIn( __METHOD__.'-update' );
- $update = new LinksUpdate( $title, $parserOutput, false );
- $update->doUpdate();
- wfProfileOut( __METHOD__.'-update' );
- wfWaitForSlaves( 5 );
- }
- wfProfileOut( __METHOD__ );
-
- return true;
- }
-}
+++ /dev/null
-<?php
-
-/**
- * Job for email notification mails
- *
- * @ingroup JobQueue
- */
-class UploadFromUrlJob extends Job {
-
- public function __construct( $title, $params, $id = 0 ) {
- parent::__construct( 'uploadFromUrl', $title, $params, $id );
- }
-
- public function run() {
- global $wgUser;
-
- if ( $this->params['userID'] ) {
- $wgUser = User::newFromId( $this->params['userID'] );
- } else {
- $wgUser = new User;
- }
- $wgUser->mEffectiveGroups[] = 'sysop';
- $wgUser->mRights = null;
-
- $upload = new UploadFromUrl();
- $upload->initializeFromJob( $this );
-
- return $upload->doUpload();
- }
-}
--- /dev/null
+<?php
+
+/**
+ * Job to fix double redirects after moving a page
+ *
+ * @ingroup JobQueue
+ */
+class DoubleRedirectJob extends Job {
+ var $reason, $redirTitle, $destTitleText;
+ static $user;
+
+ /**
+ * Insert jobs into the job queue to fix redirects to the given title
+ * @param $reason String: the reason for the fix, see message double-redirect-fixed-<reason>
+ * @param $redirTitle Title: the title which has changed, redirects pointing to this title are fixed
+ * @param $destTitle Not used
+ */
+ public static function fixRedirects( $reason, $redirTitle, $destTitle = false ) {
+ # Need to use the master to get the redirect table updated in the same transaction
+ $dbw = wfGetDB( DB_MASTER );
+ $res = $dbw->select(
+ array( 'redirect', 'page' ),
+ array( 'page_namespace', 'page_title' ),
+ array(
+ 'page_id = rd_from',
+ 'rd_namespace' => $redirTitle->getNamespace(),
+ 'rd_title' => $redirTitle->getDBkey()
+ ), __METHOD__ );
+ if ( !$res->numRows() ) {
+ return;
+ }
+ $jobs = array();
+ foreach ( $res as $row ) {
+ $title = Title::makeTitle( $row->page_namespace, $row->page_title );
+ if ( !$title ) {
+ continue;
+ }
+
+ $jobs[] = new self( $title, array(
+ 'reason' => $reason,
+ 'redirTitle' => $redirTitle->getPrefixedDBkey() ) );
+ # Avoid excessive memory usage
+ if ( count( $jobs ) > 10000 ) {
+ Job::batchInsert( $jobs );
+ $jobs = array();
+ }
+ }
+ Job::batchInsert( $jobs );
+ }
+ function __construct( $title, $params = false, $id = 0 ) {
+ parent::__construct( 'fixDoubleRedirect', $title, $params, $id );
+ $this->reason = $params['reason'];
+ $this->redirTitle = Title::newFromText( $params['redirTitle'] );
+ $this->destTitleText = !empty( $params['destTitle'] ) ? $params['destTitle'] : '';
+ }
+
+ function run() {
+ if ( !$this->redirTitle ) {
+ $this->setLastError( 'Invalid title' );
+ return false;
+ }
+
+ $targetRev = Revision::newFromTitle( $this->title );
+ if ( !$targetRev ) {
+ wfDebug( __METHOD__.": target redirect already deleted, ignoring\n" );
+ return true;
+ }
+ $text = $targetRev->getText();
+ $currentDest = Title::newFromRedirect( $text );
+ if ( !$currentDest || !$currentDest->equals( $this->redirTitle ) ) {
+ wfDebug( __METHOD__.": Redirect has changed since the job was queued\n" );
+ return true;
+ }
+
+ # Check for a suppression tag (used e.g. in periodically archived discussions)
+ $mw = MagicWord::get( 'staticredirect' );
+ if ( $mw->match( $text ) ) {
+ wfDebug( __METHOD__.": skipping: suppressed with __STATICREDIRECT__\n" );
+ return true;
+ }
+
+ # Find the current final destination
+ $newTitle = self::getFinalDestination( $this->redirTitle );
+ if ( !$newTitle ) {
+ wfDebug( __METHOD__.": skipping: single redirect, circular redirect or invalid redirect destination\n" );
+ return true;
+ }
+ if ( $newTitle->equals( $this->redirTitle ) ) {
+ # The redirect is already right, no need to change it
+ # This can happen if the page was moved back (say after vandalism)
+ wfDebug( __METHOD__.": skipping, already good\n" );
+ }
+
+ # Preserve fragment (bug 14904)
+ $newTitle = Title::makeTitle( $newTitle->getNamespace(), $newTitle->getDBkey(),
+ $currentDest->getFragment() );
+
+ # Fix the text
+ # Remember that redirect pages can have categories, templates, etc.,
+ # so the regex has to be fairly general
+ $newText = preg_replace( '/ \[ \[ [^\]]* \] \] /x',
+ '[[' . $newTitle->getFullText() . ']]',
+ $text, 1 );
+
+ if ( $newText === $text ) {
+ $this->setLastError( 'Text unchanged???' );
+ return false;
+ }
+
+ # Save it
+ global $wgUser;
+ $oldUser = $wgUser;
+ $wgUser = $this->getUser();
+ $article = new Article( $this->title );
+ $reason = wfMsgForContent( 'double-redirect-fixed-' . $this->reason,
+ $this->redirTitle->getPrefixedText(), $newTitle->getPrefixedText() );
+ $article->doEdit( $newText, $reason, EDIT_UPDATE | EDIT_SUPPRESS_RC );
+ $wgUser = $oldUser;
+
+ return true;
+ }
+
+ /**
+ * Get the final destination of a redirect
+ * @return false if the specified title is not a redirect, or if it is a circular redirect
+ */
+ public static function getFinalDestination( $title ) {
+ $dbw = wfGetDB( DB_MASTER );
+
+ $seenTitles = array(); # Circular redirect check
+ $dest = false;
+
+ while ( true ) {
+ $titleText = $title->getPrefixedDBkey();
+ if ( isset( $seenTitles[$titleText] ) ) {
+ wfDebug( __METHOD__, "Circular redirect detected, aborting\n" );
+ return false;
+ }
+ $seenTitles[$titleText] = true;
+
+ $row = $dbw->selectRow(
+ array( 'redirect', 'page' ),
+ array( 'rd_namespace', 'rd_title' ),
+ array(
+ 'rd_from=page_id',
+ 'page_namespace' => $title->getNamespace(),
+ 'page_title' => $title->getDBkey()
+ ), __METHOD__ );
+ if ( !$row ) {
+ # No redirect from here, chain terminates
+ break;
+ } else {
+ $dest = $title = Title::makeTitle( $row->rd_namespace, $row->rd_title );
+ }
+ }
+ return $dest;
+ }
+
+ /**
+ * Get a user object for doing edits, from a request-lifetime cache
+ */
+ function getUser() {
+ if ( !self::$user ) {
+ self::$user = User::newFromName( wfMsgForContent( 'double-redirect-fixer' ), false );
+ if ( !self::$user->isLoggedIn() ) {
+ self::$user->addToDatabase();
+ }
+ }
+ return self::$user;
+ }
+}
+
--- /dev/null
+<?php
+
+/**
+ * Old job used for sending single notification emails;
+ * kept for backwards-compatibility
+ *
+ * @ingroup JobQueue
+ */
+class EmaillingJob extends Job {
+
+ function __construct( $title, $params, $id = 0 ) {
+ parent::__construct( 'sendMail', Title::newMainPage(), $params, $id );
+ }
+
+ function run() {
+ userMailer(
+ $this->params['to'],
+ $this->params['from'],
+ $this->params['subj'],
+ $this->params['body'],
+ $this->params['replyto']
+ );
+ return true;
+ }
+
+}
--- /dev/null
+<?php
+
+/**
+ * Job for email notification mails
+ *
+ * @ingroup JobQueue
+ */
+class EnotifNotifyJob extends Job {
+
+ function __construct( $title, $params, $id = 0 ) {
+ parent::__construct( 'enotifNotify', $title, $params, $id );
+ }
+
+ function run() {
+ $enotif = new EmailNotification();
+ // Get the user from ID (rename safe). Anons are 0, so defer to name.
+ if( isset($this->params['editorID']) && $this->params['editorID'] ) {
+ $editor = User::newFromId( $this->params['editorID'] );
+ // B/C, only the name might be given.
+ } else {
+ $editor = User::newFromName( $this->params['editor'], false );
+ }
+ $enotif->actuallyNotifyOnPageChange(
+ $editor,
+ $this->title,
+ $this->params['timestamp'],
+ $this->params['summary'],
+ $this->params['minorEdit'],
+ $this->params['oldid'],
+ $this->params['watchers']
+ );
+ return true;
+ }
+
+}
--- /dev/null
+<?php
+/**
+ * @defgroup JobQueue JobQueue
+ */
+
+if ( !defined( 'MEDIAWIKI' ) ) {
+ die( "This file is part of MediaWiki, it is not a valid entry point\n" );
+}
+
+/**
+ * Class to both describe a background job and handle jobs.
+ *
+ * @ingroup JobQueue
+ */
+abstract class Job {
+ var $command,
+ $title,
+ $params,
+ $id,
+ $removeDuplicates,
+ $error;
+
+ /*-------------------------------------------------------------------------
+ * Abstract functions
+ *------------------------------------------------------------------------*/
+
+ /**
+ * Run the job
+ * @return boolean success
+ */
+ abstract function run();
+
+ /*-------------------------------------------------------------------------
+ * Static functions
+ *------------------------------------------------------------------------*/
+
+ /**
+ * @deprecated use LinksUpdate::queueRecursiveJobs()
+ */
+ /**
+ * static function queueLinksJobs( $titles ) {}
+ */
+
+ /**
+ * Pop a job of a certain type. This tries less hard than pop() to
+ * actually find a job; it may be adversely affected by concurrent job
+ * runners.
+ */
+ static function pop_type( $type ) {
+ wfProfilein( __METHOD__ );
+
+ $dbw = wfGetDB( DB_MASTER );
+
+ $row = $dbw->selectRow(
+ 'job',
+ '*',
+ array( 'job_cmd' => $type ),
+ __METHOD__,
+ array( 'LIMIT' => 1 )
+ );
+
+ if ( $row === false ) {
+ wfProfileOut( __METHOD__ );
+ return false;
+ }
+
+ /* Ensure we "own" this row */
+ $dbw->delete( 'job', array( 'job_id' => $row->job_id ), __METHOD__ );
+ $affected = $dbw->affectedRows();
+
+ if ( $affected == 0 ) {
+ wfProfileOut( __METHOD__ );
+ return false;
+ }
+
+ $namespace = $row->job_namespace;
+ $dbkey = $row->job_title;
+ $title = Title::makeTitleSafe( $namespace, $dbkey );
+ $job = Job::factory( $row->job_cmd, $title, Job::extractBlob( $row->job_params ),
+ $row->job_id );
+
+ $dbw->delete( 'job', $job->insertFields(), __METHOD__ );
+ $dbw->commit();
+
+ wfProfileOut( __METHOD__ );
+ return $job;
+ }
+
+ /**
+ * Pop a job off the front of the queue
+ *
+ * @param $offset Integer: Number of jobs to skip
+ * @return Job or false if there's no jobs
+ */
+ static function pop( $offset = 0 ) {
+ wfProfileIn( __METHOD__ );
+
+ $dbr = wfGetDB( DB_SLAVE );
+
+ /* Get a job from the slave, start with an offset,
+ scan full set afterwards, avoid hitting purged rows
+
+ NB: If random fetch previously was used, offset
+ will always be ahead of few entries
+ */
+
+ $row = $dbr->selectRow( 'job', '*', "job_id >= ${offset}", __METHOD__,
+ array( 'ORDER BY' => 'job_id', 'LIMIT' => 1 ) );
+
+ // Refetching without offset is needed as some of job IDs could have had delayed commits
+ // and have lower IDs than jobs already executed, blame concurrency :)
+ //
+ if ( $row === false ) {
+ if ( $offset != 0 ) {
+ $row = $dbr->selectRow( 'job', '*', '', __METHOD__,
+ array( 'ORDER BY' => 'job_id', 'LIMIT' => 1 ) );
+ }
+
+ if ( $row === false ) {
+ wfProfileOut( __METHOD__ );
+ return false;
+ }
+ }
+ $offset = $row->job_id;
+
+ // Try to delete it from the master
+ $dbw = wfGetDB( DB_MASTER );
+ $dbw->delete( 'job', array( 'job_id' => $row->job_id ), __METHOD__ );
+ $affected = $dbw->affectedRows();
+ $dbw->commit();
+
+ if ( !$affected ) {
+ // Failed, someone else beat us to it
+ // Try getting a random row
+ $row = $dbw->selectRow( 'job', array( 'MIN(job_id) as minjob',
+ 'MAX(job_id) as maxjob' ), '1=1', __METHOD__ );
+ if ( $row === false || is_null( $row->minjob ) || is_null( $row->maxjob ) ) {
+ // No jobs to get
+ wfProfileOut( __METHOD__ );
+ return false;
+ }
+ // Get the random row
+ $row = $dbw->selectRow( 'job', '*',
+ 'job_id >= ' . mt_rand( $row->minjob, $row->maxjob ), __METHOD__ );
+ if ( $row === false ) {
+ // Random job gone before we got the chance to select it
+ // Give up
+ wfProfileOut( __METHOD__ );
+ return false;
+ }
+ // Delete the random row
+ $dbw->delete( 'job', array( 'job_id' => $row->job_id ), __METHOD__ );
+ $affected = $dbw->affectedRows();
+ $dbw->commit();
+
+ if ( !$affected ) {
+ // Random job gone before we exclusively deleted it
+ // Give up
+ wfProfileOut( __METHOD__ );
+ return false;
+ }
+ }
+
+ // If execution got to here, there's a row in $row that has been deleted from the database
+ // by this thread. Hence the concurrent pop was successful.
+ $namespace = $row->job_namespace;
+ $dbkey = $row->job_title;
+ $title = Title::makeTitleSafe( $namespace, $dbkey );
+ $job = Job::factory( $row->job_cmd, $title, Job::extractBlob( $row->job_params ), $row->job_id );
+
+ // Remove any duplicates it may have later in the queue
+ // Deadlock prone section
+ $dbw->begin();
+ $dbw->delete( 'job', $job->insertFields(), __METHOD__ );
+ $dbw->commit();
+
+ wfProfileOut( __METHOD__ );
+ return $job;
+ }
+
+ /**
+ * Create the appropriate object to handle a specific job
+ *
+ * @param $command String: Job command
+ * @param $title Title: Associated title
+ * @param $params Array: Job parameters
+ * @param $id Int: Job identifier
+ * @return Job
+ */
+ static function factory( $command, $title, $params = false, $id = 0 ) {
+ global $wgJobClasses;
+ if( isset( $wgJobClasses[$command] ) ) {
+ $class = $wgJobClasses[$command];
+ return new $class( $title, $params, $id );
+ }
+ throw new MWException( "Invalid job command `{$command}`" );
+ }
+
+ static function makeBlob( $params ) {
+ if ( $params !== false ) {
+ return serialize( $params );
+ } else {
+ return '';
+ }
+ }
+
+ static function extractBlob( $blob ) {
+ if ( (string)$blob !== '' ) {
+ return unserialize( $blob );
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * Batch-insert a group of jobs into the queue.
+ * This will be wrapped in a transaction with a forced commit.
+ *
+ * This may add duplicate at insert time, but they will be
+ * removed later on, when the first one is popped.
+ *
+ * @param $jobs array of Job objects
+ */
+ static function batchInsert( $jobs ) {
+ if( !count( $jobs ) ) {
+ return;
+ }
+ $dbw = wfGetDB( DB_MASTER );
+ $rows = array();
+ foreach( $jobs as $job ) {
+ $rows[] = $job->insertFields();
+ if ( count( $rows ) >= 50 ) {
+ # Do a small transaction to avoid slave lag
+ $dbw->begin();
+ $dbw->insert( 'job', $rows, __METHOD__, 'IGNORE' );
+ $dbw->commit();
+ $rows = array();
+ }
+ }
+ if ( $rows ) {
+ $dbw->begin();
+ $dbw->insert( 'job', $rows, __METHOD__, 'IGNORE' );
+ $dbw->commit();
+ }
+ }
+
+ /*-------------------------------------------------------------------------
+ * Non-static functions
+ *------------------------------------------------------------------------*/
+
+ function __construct( $command, $title, $params = false, $id = 0 ) {
+ $this->command = $command;
+ $this->title = $title;
+ $this->params = $params;
+ $this->id = $id;
+
+ // A bit of premature generalisation
+ // Oh well, the whole class is premature generalisation really
+ $this->removeDuplicates = true;
+ }
+
+ /**
+ * Insert a single job into the queue.
+ * @return bool true on success
+ */
+ function insert() {
+ $fields = $this->insertFields();
+
+ $dbw = wfGetDB( DB_MASTER );
+
+ if ( $this->removeDuplicates ) {
+ $res = $dbw->select( 'job', array( '1' ), $fields, __METHOD__ );
+ if ( $dbw->numRows( $res ) ) {
+ return;
+ }
+ }
+ return $dbw->insert( 'job', $fields, __METHOD__ );
+ }
+
+ protected function insertFields() {
+ $dbw = wfGetDB( DB_MASTER );
+ return array(
+ 'job_id' => $dbw->nextSequenceValue( 'job_job_id_seq' ),
+ 'job_cmd' => $this->command,
+ 'job_namespace' => $this->title->getNamespace(),
+ 'job_title' => $this->title->getDBkey(),
+ 'job_params' => Job::makeBlob( $this->params )
+ );
+ }
+
+ function toString() {
+ $paramString = '';
+ if ( $this->params ) {
+ foreach ( $this->params as $key => $value ) {
+ if ( $paramString != '' ) {
+ $paramString .= ' ';
+ }
+ $paramString .= "$key=$value";
+ }
+ }
+
+ if ( is_object( $this->title ) ) {
+ $s = "{$this->command} " . $this->title->getPrefixedDBkey();
+ if ( $paramString !== '' ) {
+ $s .= ' ' . $paramString;
+ }
+ return $s;
+ } else {
+ return "{$this->command} $paramString";
+ }
+ }
+
+ protected function setLastError( $error ) {
+ $this->error = $error;
+ }
+
+ function getLastError() {
+ return $this->error;
+ }
+}
--- /dev/null
+<?php
+
+/**
+ * Background job to update links for a given title.
+ *
+ * @ingroup JobQueue
+ */
+class RefreshLinksJob extends Job {
+
+ function __construct( $title, $params = '', $id = 0 ) {
+ parent::__construct( 'refreshLinks', $title, $params, $id );
+ }
+
+ /**
+ * Run a refreshLinks job
+ * @return boolean success
+ */
+ function run() {
+ global $wgParser;
+ wfProfileIn( __METHOD__ );
+
+ $linkCache = LinkCache::singleton();
+ $linkCache->clear();
+
+ if ( is_null( $this->title ) ) {
+ $this->error = "refreshLinks: Invalid title";
+ wfProfileOut( __METHOD__ );
+ return false;
+ }
+
+ $revision = Revision::newFromTitle( $this->title );
+ if ( !$revision ) {
+ $this->error = 'refreshLinks: Article not found "' . $this->title->getPrefixedDBkey() . '"';
+ wfProfileOut( __METHOD__ );
+ return false;
+ }
+
+ wfProfileIn( __METHOD__.'-parse' );
+ $options = new ParserOptions;
+ $parserOutput = $wgParser->parse( $revision->getText(), $this->title, $options, true, true, $revision->getId() );
+ wfProfileOut( __METHOD__.'-parse' );
+ wfProfileIn( __METHOD__.'-update' );
+ $update = new LinksUpdate( $this->title, $parserOutput, false );
+ $update->doUpdate();
+ wfProfileOut( __METHOD__.'-update' );
+ wfProfileOut( __METHOD__ );
+ return true;
+ }
+}
+
+/**
+ * Background job to update links for a given title.
+ * Newer version for high use templates.
+ *
+ * @ingroup JobQueue
+ */
+class RefreshLinksJob2 extends Job {
+
+ function __construct( $title, $params, $id = 0 ) {
+ parent::__construct( 'refreshLinks2', $title, $params, $id );
+ }
+
+ /**
+ * Run a refreshLinks2 job
+ * @return boolean success
+ */
+ function run() {
+ global $wgParser;
+
+ wfProfileIn( __METHOD__ );
+
+ $linkCache = LinkCache::singleton();
+ $linkCache->clear();
+
+ if( is_null( $this->title ) ) {
+ $this->error = "refreshLinks2: Invalid title";
+ wfProfileOut( __METHOD__ );
+ return false;
+ }
+ if( !isset($this->params['start']) || !isset($this->params['end']) ) {
+ $this->error = "refreshLinks2: Invalid params";
+ wfProfileOut( __METHOD__ );
+ return false;
+ }
+ $titles = $this->title->getBacklinkCache()->getLinks(
+ 'templatelinks', $this->params['start'], $this->params['end']);
+
+ # Not suitable for page load triggered job running!
+ # Gracefully switch to refreshLinks jobs if this happens.
+ if( php_sapi_name() != 'cli' ) {
+ $jobs = array();
+ foreach ( $titles as $title ) {
+ $jobs[] = new RefreshLinksJob( $title, '' );
+ }
+ Job::batchInsert( $jobs );
+ return true;
+ }
+ # Re-parse each page that transcludes this page and update their tracking links...
+ foreach ( $titles as $title ) {
+ $revision = Revision::newFromTitle( $title );
+ if ( !$revision ) {
+ $this->error = 'refreshLinks: Article not found "' . $title->getPrefixedDBkey() . '"';
+ wfProfileOut( __METHOD__ );
+ return false;
+ }
+ wfProfileIn( __METHOD__.'-parse' );
+ $options = new ParserOptions;
+ $parserOutput = $wgParser->parse( $revision->getText(), $title, $options, true, true, $revision->getId() );
+ wfProfileOut( __METHOD__.'-parse' );
+ wfProfileIn( __METHOD__.'-update' );
+ $update = new LinksUpdate( $title, $parserOutput, false );
+ $update->doUpdate();
+ wfProfileOut( __METHOD__.'-update' );
+ wfWaitForSlaves( 5 );
+ }
+ wfProfileOut( __METHOD__ );
+
+ return true;
+ }
+}
--- /dev/null
+<?php
+
+/**
+ * Job for email notification mails
+ *
+ * @ingroup JobQueue
+ */
+class UploadFromUrlJob extends Job {
+
+ public function __construct( $title, $params, $id = 0 ) {
+ parent::__construct( 'uploadFromUrl', $title, $params, $id );
+ }
+
+ public function run() {
+ global $wgUser;
+
+ if ( $this->params['userID'] ) {
+ $wgUser = User::newFromId( $this->params['userID'] );
+ } else {
+ $wgUser = new User;
+ }
+ $wgUser->mEffectiveGroups[] = 'sysop';
+ $wgUser->mRights = null;
+
+ $upload = new UploadFromUrl();
+ $upload->initializeFromJob( $this );
+
+ return $upload->doUpload();
+ }
+}