/includes/WikiPage.php
PHP | 3178 lines | 1855 code | 385 blank | 938 comment | 314 complexity | 8ef7ad6fa8996305f3b676aad9bbf598 MD5 | raw file
Possible License(s): GPL-2.0, Apache-2.0, LGPL-3.0
- <?php
- /**
- * Base representation for a MediaWiki page.
- *
- * 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
- */
- /**
- * Abstract class for type hinting (accepts WikiPage, Article, ImagePage, CategoryPage)
- */
- abstract class Page {}
- /**
- * Class representing a MediaWiki article and history.
- *
- * Some fields are public only for backwards-compatibility. Use accessors.
- * In the past, this class was part of Article.php and everything was public.
- *
- * @internal documentation reviewed 15 Mar 2010
- */
- class WikiPage extends Page implements IDBAccessObject {
- // Constants for $mDataLoadedFrom and related
- /**
- * @var Title
- */
- public $mTitle = null;
- /**@{{
- * @protected
- */
- public $mDataLoaded = false; // !< Boolean
- public $mIsRedirect = false; // !< Boolean
- public $mLatest = false; // !< Integer (false means "not loaded")
- public $mPreparedEdit = false; // !< Array
- /**@}}*/
- /**
- * @var int; one of the READ_* constants
- */
- protected $mDataLoadedFrom = self::READ_NONE;
- /**
- * @var Title
- */
- protected $mRedirectTarget = null;
- /**
- * @var Revision
- */
- protected $mLastRevision = null;
- /**
- * @var string; timestamp of the current revision or empty string if not loaded
- */
- protected $mTimestamp = '';
- /**
- * @var string
- */
- protected $mTouched = '19700101000000';
- /**
- * @var int|null
- */
- protected $mCounter = null;
- /**
- * Constructor and clear the article
- * @param $title Title Reference to a Title object.
- */
- public function __construct( Title $title ) {
- $this->mTitle = $title;
- }
- /**
- * Create a WikiPage object of the appropriate class for the given title.
- *
- * @param $title Title
- * @throws MWException
- * @return WikiPage object of the appropriate type
- */
- public static function factory( Title $title ) {
- $ns = $title->getNamespace();
- if ( $ns == NS_MEDIA ) {
- throw new MWException( "NS_MEDIA is a virtual namespace; use NS_FILE." );
- } elseif ( $ns < 0 ) {
- throw new MWException( "Invalid or virtual namespace $ns given." );
- }
- switch ( $ns ) {
- case NS_FILE:
- $page = new WikiFilePage( $title );
- break;
- case NS_CATEGORY:
- $page = new WikiCategoryPage( $title );
- break;
- default:
- $page = new WikiPage( $title );
- }
- return $page;
- }
- /**
- * Constructor from a page id
- *
- * @param $id Int article ID to load
- * @param $from string|int one of the following values:
- * - "fromdb" or WikiPage::READ_NORMAL to select from a slave database
- * - "fromdbmaster" or WikiPage::READ_LATEST to select from the master database
- *
- * @return WikiPage|null
- */
- public static function newFromID( $id, $from = 'fromdb' ) {
- $from = self::convertSelectType( $from );
- $db = wfGetDB( $from === self::READ_LATEST ? DB_MASTER : DB_SLAVE );
- $row = $db->selectRow( 'page', self::selectFields(), array( 'page_id' => $id ), __METHOD__ );
- if ( !$row ) {
- return null;
- }
- return self::newFromRow( $row, $from );
- }
- /**
- * Constructor from a database row
- *
- * @since 1.20
- * @param $row object: database row containing at least fields returned
- * by selectFields().
- * @param $from string|int: source of $data:
- * - "fromdb" or WikiPage::READ_NORMAL: from a slave DB
- * - "fromdbmaster" or WikiPage::READ_LATEST: from the master DB
- * - "forupdate" or WikiPage::READ_LOCKING: from the master DB using SELECT FOR UPDATE
- * @return WikiPage
- */
- public static function newFromRow( $row, $from = 'fromdb' ) {
- $page = self::factory( Title::newFromRow( $row ) );
- $page->loadFromRow( $row, $from );
- return $page;
- }
- /**
- * Convert 'fromdb', 'fromdbmaster' and 'forupdate' to READ_* constants.
- *
- * @param $type object|string|int
- * @return mixed
- */
- private static function convertSelectType( $type ) {
- switch ( $type ) {
- case 'fromdb':
- return self::READ_NORMAL;
- case 'fromdbmaster':
- return self::READ_LATEST;
- case 'forupdate':
- return self::READ_LOCKING;
- default:
- // It may already be an integer or whatever else
- return $type;
- }
- }
- /**
- * Returns overrides for action handlers.
- * Classes listed here will be used instead of the default one when
- * (and only when) $wgActions[$action] === true. This allows subclasses
- * to override the default behavior.
- *
- * @todo: move this UI stuff somewhere else
- *
- * @return Array
- */
- public function getActionOverrides() {
- return array();
- }
- /**
- * Get the title object of the article
- * @return Title object of this page
- */
- public function getTitle() {
- return $this->mTitle;
- }
- /**
- * Clear the object
- * @return void
- */
- public function clear() {
- $this->mDataLoaded = false;
- $this->mDataLoadedFrom = self::READ_NONE;
- $this->clearCacheFields();
- }
- /**
- * Clear the object cache fields
- * @return void
- */
- protected function clearCacheFields() {
- $this->mCounter = null;
- $this->mRedirectTarget = null; # Title object if set
- $this->mLastRevision = null; # Latest revision
- $this->mTouched = '19700101000000';
- $this->mTimestamp = '';
- $this->mIsRedirect = false;
- $this->mLatest = false;
- $this->mPreparedEdit = false;
- }
- /**
- * Return the list of revision fields that should be selected to create
- * a new page.
- *
- * @return array
- */
- public static function selectFields() {
- return array(
- 'page_id',
- 'page_namespace',
- 'page_title',
- 'page_restrictions',
- 'page_counter',
- 'page_is_redirect',
- 'page_is_new',
- 'page_random',
- 'page_touched',
- 'page_latest',
- 'page_len',
- );
- }
- /**
- * Fetch a page record with the given conditions
- * @param $dbr DatabaseBase object
- * @param $conditions Array
- * @param $options Array
- * @return mixed Database result resource, or false on failure
- */
- protected function pageData( $dbr, $conditions, $options = array() ) {
- $fields = self::selectFields();
- wfRunHooks( 'ArticlePageDataBefore', array( &$this, &$fields ) );
- $row = $dbr->selectRow( 'page', $fields, $conditions, __METHOD__, $options );
- wfRunHooks( 'ArticlePageDataAfter', array( &$this, &$row ) );
- return $row;
- }
- /**
- * Fetch a page record matching the Title object's namespace and title
- * using a sanitized title string
- *
- * @param $dbr DatabaseBase object
- * @param $title Title object
- * @param $options Array
- * @return mixed Database result resource, or false on failure
- */
- public function pageDataFromTitle( $dbr, $title, $options = array() ) {
- return $this->pageData( $dbr, array(
- 'page_namespace' => $title->getNamespace(),
- 'page_title' => $title->getDBkey() ), $options );
- }
- /**
- * Fetch a page record matching the requested ID
- *
- * @param $dbr DatabaseBase
- * @param $id Integer
- * @param $options Array
- * @return mixed Database result resource, or false on failure
- */
- public function pageDataFromId( $dbr, $id, $options = array() ) {
- return $this->pageData( $dbr, array( 'page_id' => $id ), $options );
- }
- /**
- * Set the general counter, title etc data loaded from
- * some source.
- *
- * @param $from object|string|int One of the following:
- * - A DB query result object
- * - "fromdb" or WikiPage::READ_NORMAL to get from a slave DB
- * - "fromdbmaster" or WikiPage::READ_LATEST to get from the master DB
- * - "forupdate" or WikiPage::READ_LOCKING to get from the master DB using SELECT FOR UPDATE
- *
- * @return void
- */
- public function loadPageData( $from = 'fromdb' ) {
- $from = self::convertSelectType( $from );
- if ( is_int( $from ) && $from <= $this->mDataLoadedFrom ) {
- // We already have the data from the correct location, no need to load it twice.
- return;
- }
- if ( $from === self::READ_LOCKING ) {
- $data = $this->pageDataFromTitle( wfGetDB( DB_MASTER ), $this->mTitle, array( 'FOR UPDATE' ) );
- } elseif ( $from === self::READ_LATEST ) {
- $data = $this->pageDataFromTitle( wfGetDB( DB_MASTER ), $this->mTitle );
- } elseif ( $from === self::READ_NORMAL ) {
- $data = $this->pageDataFromTitle( wfGetDB( DB_SLAVE ), $this->mTitle );
- # Use a "last rev inserted" timestamp key to dimish the issue of slave lag.
- # Note that DB also stores the master position in the session and checks it.
- $touched = $this->getCachedLastEditTime();
- if ( $touched ) { // key set
- if ( !$data || $touched > wfTimestamp( TS_MW, $data->page_touched ) ) {
- $from = self::READ_LATEST;
- $data = $this->pageDataFromTitle( wfGetDB( DB_MASTER ), $this->mTitle );
- }
- }
- } else {
- // No idea from where the caller got this data, assume slave database.
- $data = $from;
- $from = self::READ_NORMAL;
- }
- $this->loadFromRow( $data, $from );
- }
- /**
- * Load the object from a database row
- *
- * @since 1.20
- * @param $data object: database row containing at least fields returned
- * by selectFields()
- * @param $from string|int One of the following:
- * - "fromdb" or WikiPage::READ_NORMAL if the data comes from a slave DB
- * - "fromdbmaster" or WikiPage::READ_LATEST if the data comes from the master DB
- * - "forupdate" or WikiPage::READ_LOCKING if the data comes from from
- * the master DB using SELECT FOR UPDATE
- */
- public function loadFromRow( $data, $from ) {
- $lc = LinkCache::singleton();
- if ( $data ) {
- $lc->addGoodLinkObjFromRow( $this->mTitle, $data );
- $this->mTitle->loadFromRow( $data );
- # Old-fashioned restrictions
- $this->mTitle->loadRestrictions( $data->page_restrictions );
- $this->mCounter = intval( $data->page_counter );
- $this->mTouched = wfTimestamp( TS_MW, $data->page_touched );
- $this->mIsRedirect = intval( $data->page_is_redirect );
- $this->mLatest = intval( $data->page_latest );
- // Bug 37225: $latest may no longer match the cached latest Revision object.
- // Double-check the ID of any cached latest Revision object for consistency.
- if ( $this->mLastRevision && $this->mLastRevision->getId() != $this->mLatest ) {
- $this->mLastRevision = null;
- $this->mTimestamp = '';
- }
- } else {
- $lc->addBadLinkObj( $this->mTitle );
- $this->mTitle->loadFromRow( false );
- $this->clearCacheFields();
- }
- $this->mDataLoaded = true;
- $this->mDataLoadedFrom = self::convertSelectType( $from );
- }
- /**
- * @return int Page ID
- */
- public function getId() {
- return $this->mTitle->getArticleID();
- }
- /**
- * @return bool Whether or not the page exists in the database
- */
- public function exists() {
- return $this->mTitle->exists();
- }
- /**
- * Check if this page is something we're going to be showing
- * some sort of sensible content for. If we return false, page
- * views (plain action=view) will return an HTTP 404 response,
- * so spiders and robots can know they're following a bad link.
- *
- * @return bool
- */
- public function hasViewableContent() {
- return $this->mTitle->exists() || $this->mTitle->isAlwaysKnown();
- }
- /**
- * @return int The view count for the page
- */
- public function getCount() {
- if ( !$this->mDataLoaded ) {
- $this->loadPageData();
- }
- return $this->mCounter;
- }
- /**
- * Tests if the article text represents a redirect
- *
- * @param $text mixed string containing article contents, or boolean
- * @return bool
- */
- public function isRedirect( $text = false ) {
- if ( $text === false ) {
- if ( !$this->mDataLoaded ) {
- $this->loadPageData();
- }
- return (bool)$this->mIsRedirect;
- } else {
- return Title::newFromRedirect( $text ) !== null;
- }
- }
- /**
- * Loads page_touched and returns a value indicating if it should be used
- * @return boolean true if not a redirect
- */
- public function checkTouched() {
- if ( !$this->mDataLoaded ) {
- $this->loadPageData();
- }
- return !$this->mIsRedirect;
- }
- /**
- * Get the page_touched field
- * @return string containing GMT timestamp
- */
- public function getTouched() {
- if ( !$this->mDataLoaded ) {
- $this->loadPageData();
- }
- return $this->mTouched;
- }
- /**
- * Get the page_latest field
- * @return integer rev_id of current revision
- */
- public function getLatest() {
- if ( !$this->mDataLoaded ) {
- $this->loadPageData();
- }
- return (int)$this->mLatest;
- }
- /**
- * Get the Revision object of the oldest revision
- * @return Revision|null
- */
- public function getOldestRevision() {
- wfProfileIn( __METHOD__ );
- // Try using the slave database first, then try the master
- $continue = 2;
- $db = wfGetDB( DB_SLAVE );
- $revSelectFields = Revision::selectFields();
- while ( $continue ) {
- $row = $db->selectRow(
- array( 'page', 'revision' ),
- $revSelectFields,
- array(
- 'page_namespace' => $this->mTitle->getNamespace(),
- 'page_title' => $this->mTitle->getDBkey(),
- 'rev_page = page_id'
- ),
- __METHOD__,
- array(
- 'ORDER BY' => 'rev_timestamp ASC'
- )
- );
- if ( $row ) {
- $continue = 0;
- } else {
- $db = wfGetDB( DB_MASTER );
- $continue--;
- }
- }
- wfProfileOut( __METHOD__ );
- return $row ? Revision::newFromRow( $row ) : null;
- }
- /**
- * Loads everything except the text
- * This isn't necessary for all uses, so it's only done if needed.
- */
- protected function loadLastEdit() {
- if ( $this->mLastRevision !== null ) {
- return; // already loaded
- }
- $latest = $this->getLatest();
- if ( !$latest ) {
- return; // page doesn't exist or is missing page_latest info
- }
- // Bug 37225: if session S1 loads the page row FOR UPDATE, the result always includes the
- // latest changes committed. This is true even within REPEATABLE-READ transactions, where
- // S1 normally only sees changes committed before the first S1 SELECT. Thus we need S1 to
- // also gets the revision row FOR UPDATE; otherwise, it may not find it since a page row
- // UPDATE and revision row INSERT by S2 may have happened after the first S1 SELECT.
- // http://dev.mysql.com/doc/refman/5.0/en/set-transaction.html#isolevel_repeatable-read.
- $flags = ( $this->mDataLoadedFrom == self::READ_LOCKING ) ? Revision::READ_LOCKING : 0;
- $revision = Revision::newFromPageId( $this->getId(), $latest, $flags );
- if ( $revision ) { // sanity
- $this->setLastEdit( $revision );
- }
- }
- /**
- * Set the latest revision
- */
- protected function setLastEdit( Revision $revision ) {
- $this->mLastRevision = $revision;
- $this->mTimestamp = $revision->getTimestamp();
- }
- /**
- * Get the latest revision
- * @return Revision|null
- */
- public function getRevision() {
- $this->loadLastEdit();
- if ( $this->mLastRevision ) {
- return $this->mLastRevision;
- }
- return null;
- }
- /**
- * Get the text of the current revision. No side-effects...
- *
- * @param $audience Integer: one of:
- * Revision::FOR_PUBLIC to be displayed to all users
- * Revision::FOR_THIS_USER to be displayed to $wgUser
- * Revision::RAW get the text regardless of permissions
- * @return String|bool The text of the current revision. False on failure
- */
- public function getText( $audience = Revision::FOR_PUBLIC ) {
- $this->loadLastEdit();
- if ( $this->mLastRevision ) {
- return $this->mLastRevision->getText( $audience );
- }
- return false;
- }
- /**
- * Get the text of the current revision. No side-effects...
- *
- * @return String|bool The text of the current revision. False on failure
- */
- public function getRawText() {
- $this->loadLastEdit();
- if ( $this->mLastRevision ) {
- return $this->mLastRevision->getRawText();
- }
- return false;
- }
- /**
- * @return string MW timestamp of last article revision
- */
- public function getTimestamp() {
- // Check if the field has been filled by WikiPage::setTimestamp()
- if ( !$this->mTimestamp ) {
- $this->loadLastEdit();
- }
- return wfTimestamp( TS_MW, $this->mTimestamp );
- }
- /**
- * Set the page timestamp (use only to avoid DB queries)
- * @param $ts string MW timestamp of last article revision
- * @return void
- */
- public function setTimestamp( $ts ) {
- $this->mTimestamp = wfTimestamp( TS_MW, $ts );
- }
- /**
- * @param $audience Integer: one of:
- * Revision::FOR_PUBLIC to be displayed to all users
- * Revision::FOR_THIS_USER to be displayed to $wgUser
- * Revision::RAW get the text regardless of permissions
- * @return int user ID for the user that made the last article revision
- */
- public function getUser( $audience = Revision::FOR_PUBLIC ) {
- $this->loadLastEdit();
- if ( $this->mLastRevision ) {
- return $this->mLastRevision->getUser( $audience );
- } else {
- return -1;
- }
- }
- /**
- * Get the User object of the user who created the page
- * @param $audience Integer: one of:
- * Revision::FOR_PUBLIC to be displayed to all users
- * Revision::FOR_THIS_USER to be displayed to $wgUser
- * Revision::RAW get the text regardless of permissions
- * @return User|null
- */
- public function getCreator( $audience = Revision::FOR_PUBLIC ) {
- $revision = $this->getOldestRevision();
- if ( $revision ) {
- $userName = $revision->getUserText( $audience );
- return User::newFromName( $userName, false );
- } else {
- return null;
- }
- }
- /**
- * @param $audience Integer: one of:
- * Revision::FOR_PUBLIC to be displayed to all users
- * Revision::FOR_THIS_USER to be displayed to $wgUser
- * Revision::RAW get the text regardless of permissions
- * @return string username of the user that made the last article revision
- */
- public function getUserText( $audience = Revision::FOR_PUBLIC ) {
- $this->loadLastEdit();
- if ( $this->mLastRevision ) {
- return $this->mLastRevision->getUserText( $audience );
- } else {
- return '';
- }
- }
- /**
- * @param $audience Integer: one of:
- * Revision::FOR_PUBLIC to be displayed to all users
- * Revision::FOR_THIS_USER to be displayed to $wgUser
- * Revision::RAW get the text regardless of permissions
- * @return string Comment stored for the last article revision
- */
- public function getComment( $audience = Revision::FOR_PUBLIC ) {
- $this->loadLastEdit();
- if ( $this->mLastRevision ) {
- return $this->mLastRevision->getComment( $audience );
- } else {
- return '';
- }
- }
- /**
- * Returns true if last revision was marked as "minor edit"
- *
- * @return boolean Minor edit indicator for the last article revision.
- */
- public function getMinorEdit() {
- $this->loadLastEdit();
- if ( $this->mLastRevision ) {
- return $this->mLastRevision->isMinor();
- } else {
- return false;
- }
- }
- /**
- * Get the cached timestamp for the last time the page changed.
- * This is only used to help handle slave lag by comparing to page_touched.
- * @return string MW timestamp
- */
- protected function getCachedLastEditTime() {
- global $wgMemc;
- $key = wfMemcKey( 'page-lastedit', md5( $this->mTitle->getPrefixedDBkey() ) );
- return $wgMemc->get( $key );
- }
- /**
- * Set the cached timestamp for the last time the page changed.
- * This is only used to help handle slave lag by comparing to page_touched.
- * @param $timestamp string
- * @return void
- */
- public function setCachedLastEditTime( $timestamp ) {
- global $wgMemc;
- $key = wfMemcKey( 'page-lastedit', md5( $this->mTitle->getPrefixedDBkey() ) );
- $wgMemc->set( $key, wfTimestamp( TS_MW, $timestamp ), 60*15 );
- }
- /**
- * Determine whether a page would be suitable for being counted as an
- * article in the site_stats table based on the title & its content
- *
- * @param $editInfo Object|bool (false): object returned by prepareTextForEdit(),
- * if false, the current database state will be used
- * @return Boolean
- */
- public function isCountable( $editInfo = false ) {
- global $wgArticleCountMethod;
- if ( !$this->mTitle->isContentPage() ) {
- return false;
- }
- $text = $editInfo ? $editInfo->pst : false;
- if ( $this->isRedirect( $text ) ) {
- return false;
- }
- switch ( $wgArticleCountMethod ) {
- case 'any':
- return true;
- case 'comma':
- if ( $text === false ) {
- $text = $this->getRawText();
- }
- return strpos( $text, ',' ) !== false;
- case 'link':
- if ( $editInfo ) {
- // ParserOutput::getLinks() is a 2D array of page links, so
- // to be really correct we would need to recurse in the array
- // but the main array should only have items in it if there are
- // links.
- return (bool)count( $editInfo->output->getLinks() );
- } else {
- return (bool)wfGetDB( DB_SLAVE )->selectField( 'pagelinks', 1,
- array( 'pl_from' => $this->getId() ), __METHOD__ );
- }
- }
- }
- /**
- * If this page is a redirect, get its target
- *
- * The target will be fetched from the redirect table if possible.
- * If this page doesn't have an entry there, call insertRedirect()
- * @return Title|mixed object, or null if this page is not a redirect
- */
- public function getRedirectTarget() {
- if ( !$this->mTitle->isRedirect() ) {
- return null;
- }
- if ( $this->mRedirectTarget !== null ) {
- return $this->mRedirectTarget;
- }
- # Query the redirect table
- $dbr = wfGetDB( DB_SLAVE );
- $row = $dbr->selectRow( 'redirect',
- array( 'rd_namespace', 'rd_title', 'rd_fragment', 'rd_interwiki' ),
- array( 'rd_from' => $this->getId() ),
- __METHOD__
- );
- // rd_fragment and rd_interwiki were added later, populate them if empty
- if ( $row && !is_null( $row->rd_fragment ) && !is_null( $row->rd_interwiki ) ) {
- return $this->mRedirectTarget = Title::makeTitle(
- $row->rd_namespace, $row->rd_title,
- $row->rd_fragment, $row->rd_interwiki );
- }
- # This page doesn't have an entry in the redirect table
- return $this->mRedirectTarget = $this->insertRedirect();
- }
- /**
- * Insert an entry for this page into the redirect table.
- *
- * Don't call this function directly unless you know what you're doing.
- * @return Title object or null if not a redirect
- */
- public function insertRedirect() {
- // recurse through to only get the final target
- $retval = Title::newFromRedirectRecurse( $this->getRawText() );
- if ( !$retval ) {
- return null;
- }
- $this->insertRedirectEntry( $retval );
- return $retval;
- }
- /**
- * Insert or update the redirect table entry for this page to indicate
- * it redirects to $rt .
- * @param $rt Title redirect target
- */
- public function insertRedirectEntry( $rt ) {
- $dbw = wfGetDB( DB_MASTER );
- $dbw->replace( 'redirect', array( 'rd_from' ),
- array(
- 'rd_from' => $this->getId(),
- 'rd_namespace' => $rt->getNamespace(),
- 'rd_title' => $rt->getDBkey(),
- 'rd_fragment' => $rt->getFragment(),
- 'rd_interwiki' => $rt->getInterwiki(),
- ),
- __METHOD__
- );
- }
- /**
- * Get the Title object or URL this page redirects to
- *
- * @return mixed false, Title of in-wiki target, or string with URL
- */
- public function followRedirect() {
- return $this->getRedirectURL( $this->getRedirectTarget() );
- }
- /**
- * Get the Title object or URL to use for a redirect. We use Title
- * objects for same-wiki, non-special redirects and URLs for everything
- * else.
- * @param $rt Title Redirect target
- * @return mixed false, Title object of local target, or string with URL
- */
- public function getRedirectURL( $rt ) {
- if ( !$rt ) {
- return false;
- }
- if ( $rt->isExternal() ) {
- if ( $rt->isLocal() ) {
- // Offsite wikis need an HTTP redirect.
- //
- // This can be hard to reverse and may produce loops,
- // so they may be disabled in the site configuration.
- $source = $this->mTitle->getFullURL( 'redirect=no' );
- return $rt->getFullURL( 'rdfrom=' . urlencode( $source ) );
- } else {
- // External pages pages without "local" bit set are not valid
- // redirect targets
- return false;
- }
- }
- if ( $rt->isSpecialPage() ) {
- // Gotta handle redirects to special pages differently:
- // Fill the HTTP response "Location" header and ignore
- // the rest of the page we're on.
- //
- // Some pages are not valid targets
- if ( $rt->isValidRedirectTarget() ) {
- return $rt->getFullURL();
- } else {
- return false;
- }
- }
- return $rt;
- }
- /**
- * Get a list of users who have edited this article, not including the user who made
- * the most recent revision, which you can get from $article->getUser() if you want it
- * @return UserArrayFromResult
- */
- public function getContributors() {
- # @todo FIXME: This is expensive; cache this info somewhere.
- $dbr = wfGetDB( DB_SLAVE );
- if ( $dbr->implicitGroupby() ) {
- $realNameField = 'user_real_name';
- } else {
- $realNameField = 'MIN(user_real_name) AS user_real_name';
- }
- $tables = array( 'revision', 'user' );
- $fields = array(
- 'user_id' => 'rev_user',
- 'user_name' => 'rev_user_text',
- $realNameField,
- 'timestamp' => 'MAX(rev_timestamp)',
- );
- $conds = array( 'rev_page' => $this->getId() );
- // The user who made the top revision gets credited as "this page was last edited by
- // John, based on contributions by Tom, Dick and Harry", so don't include them twice.
- $user = $this->getUser();
- if ( $user ) {
- $conds[] = "rev_user != $user";
- } else {
- $conds[] = "rev_user_text != {$dbr->addQuotes( $this->getUserText() )}";
- }
- $conds[] = "{$dbr->bitAnd( 'rev_deleted', Revision::DELETED_USER )} = 0"; // username hidden?
- $jconds = array(
- 'user' => array( 'LEFT JOIN', 'rev_user = user_id' ),
- );
- $options = array(
- 'GROUP BY' => array( 'rev_user', 'rev_user_text' ),
- 'ORDER BY' => 'timestamp DESC',
- );
- $res = $dbr->select( $tables, $fields, $conds, __METHOD__, $options, $jconds );
- return new UserArrayFromResult( $res );
- }
- /**
- * Get the last N authors
- * @param $num Integer: number of revisions to get
- * @param $revLatest String: the latest rev_id, selected from the master (optional)
- * @return array Array of authors, duplicates not removed
- */
- public function getLastNAuthors( $num, $revLatest = 0 ) {
- wfProfileIn( __METHOD__ );
- // First try the slave
- // If that doesn't have the latest revision, try the master
- $continue = 2;
- $db = wfGetDB( DB_SLAVE );
- do {
- $res = $db->select( array( 'page', 'revision' ),
- array( 'rev_id', 'rev_user_text' ),
- array(
- 'page_namespace' => $this->mTitle->getNamespace(),
- 'page_title' => $this->mTitle->getDBkey(),
- 'rev_page = page_id'
- ), __METHOD__,
- array(
- 'ORDER BY' => 'rev_timestamp DESC',
- 'LIMIT' => $num
- )
- );
- if ( !$res ) {
- wfProfileOut( __METHOD__ );
- return array();
- }
- $row = $db->fetchObject( $res );
- if ( $continue == 2 && $revLatest && $row->rev_id != $revLatest ) {
- $db = wfGetDB( DB_MASTER );
- $continue--;
- } else {
- $continue = 0;
- }
- } while ( $continue );
- $authors = array( $row->rev_user_text );
- foreach ( $res as $row ) {
- $authors[] = $row->rev_user_text;
- }
- wfProfileOut( __METHOD__ );
- return $authors;
- }
- /**
- * Should the parser cache be used?
- *
- * @param $parserOptions ParserOptions to check
- * @param $oldid int
- * @return boolean
- */
- public function isParserCacheUsed( ParserOptions $parserOptions, $oldid ) {
- global $wgEnableParserCache;
- return $wgEnableParserCache
- && $parserOptions->getStubThreshold() == 0
- && $this->mTitle->exists()
- && ( $oldid === null || $oldid === 0 || $oldid === $this->getLatest() )
- && $this->mTitle->isWikitextPage();
- }
- /**
- * Get a ParserOutput for the given ParserOptions and revision ID.
- * The parser cache will be used if possible.
- *
- * @since 1.19
- * @param $parserOptions ParserOptions to use for the parse operation
- * @param $oldid Revision ID to get the text from, passing null or 0 will
- * get the current revision (default value)
- * @return ParserOutput or false if the revision was not found
- */
- public function getParserOutput( ParserOptions $parserOptions, $oldid = null ) {
- wfProfileIn( __METHOD__ );
- $useParserCache = $this->isParserCacheUsed( $parserOptions, $oldid );
- wfDebug( __METHOD__ . ': using parser cache: ' . ( $useParserCache ? 'yes' : 'no' ) . "\n" );
- if ( $parserOptions->getStubThreshold() ) {
- wfIncrStats( 'pcache_miss_stub' );
- }
- if ( $useParserCache ) {
- $parserOutput = ParserCache::singleton()->get( $this, $parserOptions );
- if ( $parserOutput !== false ) {
- wfProfileOut( __METHOD__ );
- return $parserOutput;
- }
- }
- if ( $oldid === null || $oldid === 0 ) {
- $oldid = $this->getLatest();
- }
- $pool = new PoolWorkArticleView( $this, $parserOptions, $oldid, $useParserCache );
- $pool->execute();
- wfProfileOut( __METHOD__ );
- return $pool->getParserOutput();
- }
- /**
- * Do standard deferred updates after page view
- * @param $user User The relevant user
- */
- public function doViewUpdates( User $user ) {
- global $wgDisableCounters;
- if ( wfReadOnly() ) {
- return;
- }
- # Don't update page view counters on views from bot users (bug 14044)
- if ( !$wgDisableCounters && !$user->isAllowed( 'bot' ) && $this->mTitle->exists() ) {
- DeferredUpdates::addUpdate( new ViewCountUpdate( $this->getId() ) );
- DeferredUpdates::addUpdate( new SiteStatsUpdate( 1, 0, 0 ) );
- }
- # Update newtalk / watchlist notification status
- $user->clearNotification( $this->mTitle );
- }
- /**
- * Perform the actions of a page purging
- * @return bool
- */
- public function doPurge() {
- global $wgUseSquid;
- if( !wfRunHooks( 'ArticlePurge', array( &$this ) ) ){
- return false;
- }
- // Invalidate the cache
- $this->mTitle->invalidateCache();
- $this->clear();
- if ( $wgUseSquid ) {
- // Commit the transaction before the purge is sent
- $dbw = wfGetDB( DB_MASTER );
- $dbw->commit( __METHOD__ );
- // Send purge
- $update = SquidUpdate::newSimplePurge( $this->mTitle );
- $update->doUpdate();
- }
- if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
- if ( $this->mTitle->exists() ) {
- $text = $this->getRawText();
- } else {
- $text = false;
- }
- MessageCache::singleton()->replace( $this->mTitle->getDBkey(), $text );
- }
- return true;
- }
- /**
- * Insert a new empty page record for this article.
- * This *must* be followed up by creating a revision
- * and running $this->updateRevisionOn( ... );
- * or else the record will be left in a funky state.
- * Best if all done inside a transaction.
- *
- * @param $dbw DatabaseBase
- * @return int The newly created page_id key, or false if the title already existed
- */
- public function insertOn( $dbw ) {
- wfProfileIn( __METHOD__ );
- $page_id = $dbw->nextSequenceValue( 'page_page_id_seq' );
- $dbw->insert( 'page', array(
- 'page_id' => $page_id,
- 'page_namespace' => $this->mTitle->getNamespace(),
- 'page_title' => $this->mTitle->getDBkey(),
- 'page_counter' => 0,
- 'page_restrictions' => '',
- 'page_is_redirect' => 0, # Will set this shortly...
- 'page_is_new' => 1,
- 'page_random' => wfRandom(),
- 'page_touched' => $dbw->timestamp(),
- 'page_latest' => 0, # Fill this in shortly...
- 'page_len' => 0, # Fill this in shortly...
- ), __METHOD__, 'IGNORE' );
- $affected = $dbw->affectedRows();
- if ( $affected ) {
- $newid = $dbw->insertId();
- $this->mTitle->resetArticleID( $newid );
- }
- wfProfileOut( __METHOD__ );
- return $affected ? $newid : false;
- }
- /**
- * Update the page record to point to a newly saved revision.
- *
- * @param $dbw DatabaseBase: object
- * @param $revision Revision: For ID number, and text used to set
- * length and redirect status fields
- * @param $lastRevision Integer: if given, will not overwrite the page field
- * when different from the currently set value.
- * Giving 0 indicates the new page flag should be set
- * on.
- * @param $lastRevIsRedirect Boolean: if given, will optimize adding and
- * removing rows in redirect table.
- * @return bool true on success, false on failure
- * @private
- */
- public function updateRevisionOn( $dbw, $revision, $lastRevision = null, $lastRevIsRedirect = null ) {
- wfProfileIn( __METHOD__ );
- $text = $revision->getText();
- $len = strlen( $text );
- $rt = Title::newFromRedirectRecurse( $text );
- $conditions = array( 'page_id' => $this->getId() );
- if ( !is_null( $lastRevision ) ) {
- # An extra check against threads stepping on each other
- $conditions['page_latest'] = $lastRevision;
- }
- $now = wfTimestampNow();
- $dbw->update( 'page',
- array( /* SET */
- 'page_latest' => $revision->getId(),
- 'page_touched' => $dbw->timestamp( $now ),
- 'page_is_new' => ( $lastRevision === 0 ) ? 1 : 0,
- 'page_is_redirect' => $rt !== null ? 1 : 0,
- 'page_len' => $len,
- ),
- $conditions,
- __METHOD__ );
- $result = $dbw->affectedRows() > 0;
- if ( $result ) {
- $this->updateRedirectOn( $dbw, $rt, $lastRevIsRedirect );
- $this->setLastEdit( $revision );
- $this->setCachedLastEditTime( $now );
- $this->mLatest = $revision->getId();
- $this->mIsRedirect = (bool)$rt;
- # Update the LinkCache.
- LinkCache::singleton()->addGoodLinkObj( $this->getId(), $this->mTitle, $len, $this->mIsRedirect, $this->mLatest );
- }
- wfProfileOut( __METHOD__ );
- return $result;
- }
- /**
- * Add row to the redirect table if this is a redirect, remove otherwise.
- *
- * @param $dbw DatabaseBase
- * @param $redirectTitle Title object pointing to the redirect target,
- * or NULL if this is not a redirect
- * @param $lastRevIsRedirect null|bool If given, will optimize adding and
- * removing rows in redirect table.
- * @return bool true on success, false on failure
- * @private
- */
- public function updateRedirectOn( $dbw, $redirectTitle, $lastRevIsRedirect = null ) {
- // Always update redirects (target link might have changed)
- // Update/Insert if we don't know if the last revision was a redirect or not
- // Delete if changing from redirect to non-redirect
- $isRedirect = !is_null( $redirectTitle );
- if ( !$isRedirect && $lastRevIsRedirect === false ) {
- return true;
- }
- wfProfileIn( __METHOD__ );
- if ( $isRedirect ) {
- $this->insertRedirectEntry( $redirectTitle );
- } else {
- // This is not a redirect, remove row from redirect table
- $where = array( 'rd_from' => $this->getId() );
- $dbw->delete( 'redirect', $where, __METHOD__ );
- }
- if ( $this->getTitle()->getNamespace() == NS_FILE ) {
- RepoGroup::singleton()->getLocalRepo()->invalidateImageRedirect( $this->getTitle() );
- }
- wfProfileOut( __METHOD__ );
- return ( $dbw->affectedRows() != 0 );
- }
- /**
- * If the given revision is newer than the currently set page_latest,
- * update the page record. Otherwise, do nothing.
- *
- * @param $dbw DatabaseBase object
- * @param $revision Revision object
- * @return mixed
- */
- public function updateIfNewerOn( $dbw, $revision ) {
- wfProfileIn( __METHOD__ );
- $row = $dbw->selectRow(
- array( 'revision', 'page' ),
- array( 'rev_id', 'rev_timestamp', 'page_is_redirect' ),
- array(
- 'page_id' => $this->getId(),
- 'page_latest=rev_id' ),
- __METHOD__ );
- if ( $row ) {
- if ( wfTimestamp( TS_MW, $row->rev_timestamp ) >= $revision->getTimestamp() ) {
- wfProfileOut( __METHOD__ );
- return false;
- }
- $prev = $row->rev_id;
- $lastRevIsRedirect = (bool)$row->page_is_redirect;
- } else {
- # No or missing previous revision; mark the page as new
- $prev = 0;
- $lastRevIsRedirect = null;
- }
- $ret = $this->updateRevisionOn( $dbw, $revision, $prev, $lastRevIsRedirect );
- wfProfileOut( __METHOD__ );
- return $ret;
- }
- /**
- * Get the text that needs to be saved in order to undo all revisions
- * between $undo and $undoafter. Revisions must belong to the same page,
- * must exist and must not be deleted
- * @param $undo Revision
- * @param $undoafter Revision Must be an earlier revision than $undo
- * @return mixed string on success, false on failure
- */
- public function getUndoText( Revision $undo, Revision $undoafter = null ) {
- $cur_text = $this->getRawText();
- if ( $cur_text === false ) {
- return false; // no page
- }
- $undo_text = $undo->getText();
- $undoafter_text = $undoafter->getText();
- if ( $cur_text == $undo_text ) {
- # No use doing a merge if it's just a straight revert.
- return $undoafter_text;
- }
- $undone_text = '';
- if ( !wfMerge( $undo_text, $undoafter_text, $cur_text, $undone_text ) ) {
- return false;
- }
- return $undone_text;
- }
- /**
- * @param $section null|bool|int or a section number (0, 1, 2, T1, T2...)
- * @param $text String: new text of the section
- * @param $sectionTitle String: new section's subject, only if $section is 'new'
- * @param $edittime String: revision timestamp or null to use the current revision
- * @return string Complete article text, or null if error
- */
- public function replaceSection( $section, $text, $sectionTitle = '', $edittime = null ) {
- wfProfileIn( __METHOD__ );
- if ( strval( $section ) == '' ) {
- // Whole-page edit; let the whole text through
- } else {
- // Bug 30711: always use current version when adding a new section
- if ( is_null( $edittime ) || $section == 'new' ) {
- $oldtext = $this->getRawText();
- if ( $oldtext === false ) {
- wfDebug( __METHOD__ . ": no page text\n" );
- wfProfileOut( __METHOD__ );
- return null;
- }
- } else {
- $dbw = wfGetDB( DB_MASTER );
- $rev = Revision::loadFromTimestamp( $dbw, $this->mTitle, $edittime );
- if ( !$rev ) {
- wfDebug( "WikiPage::replaceSection asked for bogus section (page: " .
- $this->getId() . "; section: $section; edittime: $edittime)\n" );
- wfProfileOut( __METHOD__ );
- return null;
- }
- $oldtext = $rev->getText();
- }
- if ( $section == 'new' ) {
- # Inserting a new section
- $subject = $sectionTitle ? wfMessage( 'newsectionheaderdefaultlevel' )
- ->rawParams( $sectionTitle )->inContentLanguage()->text() . "\n\n" : '';
- if ( wfRunHooks( 'PlaceNewSection', array( $this, $oldtext, $subject, &$text ) ) ) {
- $text = strlen( trim( $oldtext ) ) > 0
- ? "{$oldtext}\n\n{$subject}{$text}"
- : "{$subject}{$text}";
- }
- } else {
- # Replacing an existing section; roll out the big guns
- global $wgParser;
- $text = $wgParser->replaceSection( $oldtext, $section, $text );
- }
- }
- wfProfileOut( __METHOD__ );
- return $text;
- }
- /**
- * Check flags and add EDIT_NEW or EDIT_UPDATE to them as needed.
- * @param $flags Int
- * @return Int updated $flags
- */
- function checkFlags( $flags ) {
- if ( !( $flags & EDIT_NEW ) && !( $flags & EDIT_UPDATE ) ) {
- if ( $this->mTitle->getArticleID() ) {
- $flags |= EDIT_UPDATE;
- } else {
- $flags |= EDIT_NEW;
- }
- }
- return $flags;
- }
- /**
- * Change an existing article or create a new article. Updates RC and all necessary caches,
- * optionally via the deferred update array.
- *
- * @param $text String: new text
- * @param $summary String: edit summary
- * @param $flags Integer bitfield:
- * EDIT_NEW
- * Article is known or assumed to be non-existent, create a new one
- * EDIT_UPDATE
- * Article is known or assumed to be pre-existing, update it
- * EDIT_MINOR
- * Mark this edit minor, if the user is allowed to do so
- * EDIT_SUPPRESS_RC
- * Do not log the change in recentchanges
- * EDIT_FORCE_BOT
- * Mark the edit a "bot" edit regardless of user rights
- * EDIT_DEFER_UPDATES
- * Defer some of the updates until the end of index.php
- * EDIT_AUTOSUMMARY
- * Fill in blank summaries with generated text where possible
- *
- * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the article will be detected.
- * If EDIT_UPDATE is specified and the article doesn't exist, the function will return an
- * edit-gone-missing error. If EDIT_NEW is specified and the article does exist, an
- * edit-already-exists error will be returned. These two conditions are also possible with
- * auto-detection due to MediaWiki's performance-optimised locking strategy.
- *
- * @param bool|int $baseRevId int the revision ID this edit was based off, if any
- * @param $user User the user doing the edit
- *
- * @throws MWException
- * @return Status object. Possible errors:
- * edit-hook-aborted: The ArticleSave hook aborted the edit but didn't set the fatal flag of $status
- * edit-gone-missing: In update mode, but the article didn't exist
- * edit-conflict: In update mode, the article changed unexpectedly
- * edit-no-change: Warning that the text was the same as before
- * edit-already-exists: In creation mode, but the article already exists
- *
- * Extensions may define additional errors.
- *
- * $return->value will contain an associative array with members as follows:
- * new: Boolean indicating if the function attempted to create a new article
- * revision: The revision object for the inserted revision, or null
- *
- * Compatibility note: this function previously returned a boolean value indicating success/failure
- */
- public function doEdit( $text, $summary, $flags = 0, $baseRevId = false, $user = null ) {
- global $wgUser, $wgUseAutomaticEditSummaries, $wgUseRCPatrol, $wgUseNPPatrol;
- # Low-level sanity check
- if ( $this->mTitle->getText() === '' ) {
- throw new MWException( 'Something is trying to edit an article with an empty title' );
- }
- wfProfileIn( __METHOD__ );
- $user = is_null( $user ) ? $wgUser : $user;
- $status = Status::newGood( array() );
- // Load the data from the master database if needed.
- // The caller may already loaded it from the master or even loaded it using
- // SELECT FOR UPDATE, so do not override that using clear().
- $this->loadPageData( 'fromdbmaster' );
- $flags = $this->checkFlags( $flags );
- if ( !wfRunHooks( 'ArticleSave', array( &$this, &$user, &$text, &$summary,
- $flags & EDIT_MINOR, null, null, &$flags, &$status ) ) )
- {
- wfDebug( __METHOD__ . ": ArticleSave hook aborted save!\n" );
- if ( $status->isOK() ) {
- $status->fatal( 'edit-hook-aborted' );
- }
- wfProfileOut( __METHOD__ );
- return $status;
- }
- # Silently ignore EDIT_MINOR if not allowed
- $isminor = ( $flags & EDIT_MINOR ) && $user->isAllowed( 'minoredit' );
- $bot = $flags & EDIT_FORCE_BOT;
- $oldtext = $this->getRawText(); // current revision
- $oldsize = strlen( $oldtext );
- $oldid = $this->getLatest();
- $oldIsRedirect = $this->isRedirect();
- $oldcountable = $this->isCountable();
- # Provide autosummaries if one is not provided and autosummaries are enabled.
- if ( $wgUseAutomaticEditSummaries && $flags & EDIT_AUTOSUMMARY && $summary == '' ) {
- $summary = self::getAutosummary( $oldtext, $text, $flags );
- }
- $editInfo = $this->prepareTextForEdit( $text, null, $user );
- $text = $editInfo->pst;
- $newsize = strlen( $text );
- $dbw = wfGetDB( DB_MASTER );
- $now = wfTimestampNow();
- $this->mTimestamp = $now;
- if ( $flags & EDIT_UPDATE ) {
- # Update article, but only if changed.
- $status->value['new'] = false;
- if ( !$oldid ) {
- # Article gone missing
- wfDebug( __METHOD__ . ": EDIT_UPDATE specified but article doesn't exist\n" );
- $status->fatal( 'edit-gone-missing' );
- wfProfileOut( __METHOD__ );
- return $status;
- } elseif ( $oldtext === false ) {
- # Sanity check for bug 37225
- wfProfileOut( __METHOD__ );
- throw new MWException( "Could not find text for current revision {$oldid}." );
- }
- $revision = new Revision( array(
- 'page' => $this->getId(),
- 'comment' => $summary,
- 'minor_edit' => $isminor,
- 'text' => $text,
- 'parent_id' => $oldid,
- 'user' => $user->getId(),
- 'user_text' => $user->getName(),
- 'timestamp' => $now
- ) );
- # Bug 37225: use accessor to get the text as Revision may trim it.
- # After trimming, the text may be a duplicate of the current text.
- $text = $revision->getText(); // sanity; EditPage should trim already
- $changed = ( strcmp( $text, $oldtext ) != 0 );
- if ( $changed ) {
- $dbw->begin( __METHOD__ );
- $revisionId = $revision->insertOn( $dbw );
- # Update page
- #
- # Note that we use $this->mLatest instead of fetching a value from the master DB
- # during the course of this function. This makes sure that EditPage can detect
- # edit conflicts reliably, either by $ok here, or by $article->getTimestamp()
- # before this function is called. A previous function used a separate query, this
- # creates a window where concurrent edits can cause an ignored edit conflict.
- $ok = $this->updateRevisionOn( $dbw, $revision, $oldid, $oldIsRedirect );
- if ( !$ok ) {
- # Belated edit conflict! Run away!!
- $status->fatal( 'edit-conflict' );
- $dbw->rollback( __METHOD__ );
- wfProfileOut( __METHOD__ );
- return $status;
- }
- wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $revision, $baseRevId, $user ) );
- # Update recentchanges
- if ( !( $flags & EDIT_SUPPRESS_RC ) ) {
- # Mark as patrolled if the user can do so
- $patrolled = $wgUseRCPatrol && !count(
- $this->mTitle->getUserPermissionsErrors( 'autopatrol', $user ) );
- # Add RC row to the DB
- $rc = RecentChange::notifyEdit( $now, $this->mTitle, $isminor, $user, $summary,
- $oldid, $this->getTimestamp(), $bot, '', $oldsize, $newsize,
- $revisionId, $patrolled
- );
- # Log auto-patrolled edits
- if ( $patrolled ) {
- PatrolLog::record( $rc, true, $user );
- }
- }
- $user->incEditCount();
- $dbw->commit( __METHOD__ );
- } else {
- // Bug 32948: revision ID must be set to page {{REVISIONID}} and
- // related variables correctly
- $revision->setId( $this->getLatest() );
- }
- # Update links tables, site stats, etc.
- $this->doEditUpdates( $revision, $user, array( 'changed' => $changed,
- 'oldcountable' => $oldcountable ) );
- if ( !$changed ) {
- $status->warning( 'edit-no-change' );
- $revision = null;
- // Update page_touched, this is usually implicit in the page update
- // Other cache updates are done in onArticleEdit()
- $this->mTitle->invalidateCache();
- }
- } else {
- # Create new article
- $status->value['new'] = true;
- $dbw->begin( __METHOD__ );
- # Add the page record; stake our claim on this title!
- # This will return false if the article already exists
- $newid = $this->insertOn( $dbw );
- if ( $newid === false ) {
- $dbw->rollback( __METHOD__ );
- $status->fatal( 'edit-already-exists' );
- wfProfileOut( __METHOD__ );
- return $status;
- }
- # Save the revision text...
- $revision = new Revision( array(
- 'page' => $newid,
- 'comment' => $summary,
- 'minor_edit' => $isminor,
- 'text' => $text,
- 'user' => $user->getId(),
- 'user_text' => $user->getName(),
- 'timestamp' => $now
- ) );
- $revisionId = $revision->insertOn( $dbw );
- # Bug 37225: use accessor to get the text as Revision may trim it
- $text = $revision->getText(); // sanity; EditPage should trim already
- # Update the page record with revision data
- $this->updateRevisionOn( $dbw, $revision, 0 );
- wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $revision, false, $user ) );
- # Update recentchanges
- if ( !( $flags & EDIT_SUPPRESS_RC ) ) {
- # Mark as patrolled if the user can do so
- $patrolled = ( $wgUseRCPatrol || $wgUseNPPatrol ) && !count(
- $this->mTitle->getUserPermissionsErrors( 'autopatrol', $user ) );
- # Add RC row to the DB
- $rc = RecentChange::notifyNew( $now, $this->mTitle, $isminor, $user, $summary, $bot,
- '', strlen( $text ), $revisionId, $patrolled );
- # Log auto-patrolled edits
- if ( $patrolled ) {
- PatrolLog::record( $rc, true, $user );
- }
- }
- $user->incEditCount();
- $dbw->commit( __METHOD__ );
- # Update links, etc.
- $this->doEditUpdates( $revision, $user, array( 'created' => true ) );
- wfRunHooks( 'ArticleInsertComplete', array( &$this, &$user, $text, $summary,
- $flags & EDIT_MINOR, null, null, &$flags, $revision ) );
- }
- # Do updates right now unless deferral was requested
- if ( !( $flags & EDIT_DEFER_UPDATES ) ) {
- DeferredUpdates::doUpdates();
- }
- // Return the new revision (or null) to the caller
- $status->value['revision'] = $revision;
- wfRunHooks( 'ArticleSaveComplete', array( &$this, &$user, $text, $summary,
- $flags & EDIT_MINOR, null, null, &$flags, $revision, &$status, $baseRevId ) );
- # Promote user to any groups they meet the criteria for
- $user->addAutopromoteOnceGroups( 'onEdit' );
- wfProfileOut( __METHOD__ );
- return $status;
- }
- /**
- * Get parser options suitable for rendering the primary article wikitext
- *
- * @param IContextSource|User|string $context One of the following:
- * - IContextSource: Use the User and the Language of the provided
- * context
- * - User: Use the provided User object and $wgLang for the language,
- * so use an IContextSource object if possible.
- * - 'canonical': Canonical options (anonymous user with default
- * preferences and content language).
- * @return ParserOptions
- */
- public function makeParserOptions( $context ) {
- global $wgContLang;
- if ( $context instanceof IContextSource ) {
- $options = ParserOptions::newFromContext( $context );
- } elseif ( $context instanceof User ) { // settings per user (even anons)
- $options = ParserOptions::newFromUser( $context );
- } else { // canonical settings
- $options = ParserOptions::newFromUserAndLang( new User, $wgContLang );
- }
- if ( $this->getTitle()->isConversionTable() ) {
- $options->disableContentConversion();
- }
- $options->enableLimitReport(); // show inclusion/loop reports
- $options->setTidy( true ); // fix bad HTML
- return $options;
- }
- /**
- * Prepare text which is about to be saved.
- * Returns a stdclass with source, pst and output members
- * @return bool|object
- */
- public function prepareTextForEdit( $text, $revid = null, User $user = null ) {
- global $wgParser, $wgContLang, $wgUser;
- $user = is_null( $user ) ? $wgUser : $user;
- // @TODO fixme: check $user->getId() here???
- if ( $this->mPreparedEdit
- && $this->mPreparedEdit->newText == $text
- && $this->mPreparedEdit->revid == $revid
- ) {
- // Already prepared
- return $this->mPreparedEdit;
- }
- $popts = ParserOptions::newFromUserAndLang( $user, $wgContLang );
- wfRunHooks( 'ArticlePrepareTextForEdit', array( $this, $popts ) );
- $edit = (object)array();
- $edit->revid = $revid;
- $edit->newText = $text;
- $edit->pst = $wgParser->preSaveTransform( $text, $this->mTitle, $user, $popts );
- $edit->popts = $this->makeParserOptions( 'canonical' );
- $edit->output = $wgParser->parse( $edit->pst, $this->mTitle, $edit->popts, true, true, $revid );
- $edit->oldText = $this->getRawText();
- $this->mPreparedEdit = $edit;
- return $edit;
- }
- /**
- * Do standard deferred updates after page edit.
- * Update links tables, site stats, search index and message cache.
- * Purges pages that include this page if the text was changed here.
- * Every 100th edit, prune the recent changes table.
- *
- * @private
- * @param $revision Revision object
- * @param $user User object that did the revision
- * @param $options Array of options, following indexes are used:
- * - changed: boolean, whether the revision changed the content (default true)
- * - created: boolean, whether the revision created the page (default false)
- * - oldcountable: boolean or null (default null):
- * - boolean: whether the page was counted as an article before that
- * revision, only used in changed is true and created is false
- * - null: don't change the article count
- */
- public function doEditUpdates( Revision $revision, User $user, array $options = array() ) {
- global $wgEnableParserCache;
- wfProfileIn( __METHOD__ );
- $options += array( 'changed' => true, 'created' => false, 'oldcountable' => null );
- $text = $revision->getText();
- # Parse the text
- # Be careful not to double-PST: $text is usually already PST-ed once
- if ( !$this->mPreparedEdit || $this->mPreparedEdit->output->getFlag( 'vary-revision' ) ) {
- wfDebug( __METHOD__ . ": No prepared edit or vary-revision is set...\n" );
- $editInfo = $this->prepareTextForEdit( $text, $revision->getId(), $user );
- } else {
- wfDebug( __METHOD__ . ": No vary-revision, using prepared edit...\n" );
- $editInfo = $this->mPreparedEdit;
- }
- # Save it to the parser cache
- if ( $wgEnableParserCache ) {
- $parserCache = ParserCache::singleton();
- $parserCache->save( $editInfo->output, $this, $editInfo->popts );
- }
- # Update the links tables and other secondary data
- $updates = $editInfo->output->getSecondaryDataUpdates( $this->mTitle );
- DataUpdate::runUpdates( $updates );
- wfRunHooks( 'ArticleEditUpdates', array( &$this, &$editInfo, $options['changed'] ) );
- if ( wfRunHooks( 'ArticleEditUpdatesDeleteFromRecentchanges', array( &$this ) ) ) {
- if ( 0 == mt_rand( 0, 99 ) ) {
- // Flush old entries from the `recentchanges` table; we do this on
- // random requests so as to avoid an increase in writes for no good reason
- global $wgRCMaxAge;
- $dbw = wfGetDB( DB_MASTER );
- $cutoff = $dbw->timestamp( time() - $wgRCMaxAge );
- $dbw->delete(
- 'recentchanges',
- array( "rc_timestamp < '$cutoff'" ),
- __METHOD__
- );
- }
- }
- if ( !$this->mTitle->exists() ) {
- wfProfileOut( __METHOD__ );
- return;
- }
- $id = $this->getId();
- $title = $this->mTitle->getPrefixedDBkey();
- $shortTitle = $this->mTitle->getDBkey();
- if ( !$options['changed'] ) {
- $good = 0;
- $total = 0;
- } elseif ( $options['created'] ) {
- $good = (int)$this->isCountable( $editInfo );
- $total = 1;
- } elseif ( $options['oldcountable'] !== null ) {
- $good = (int)$this->isCountable( $editInfo ) - (int)$options['oldcountable'];
- $total = 0;
- } else {
- $good = 0;
- $total = 0;
- }
- DeferredUpdates::addUpdate( new SiteStatsUpdate( 0, 1, $good, $total ) );
- DeferredUpdates::addUpdate( new SearchUpdate( $id, $title, $text ) );
- # If this is another user's talk page, update newtalk.
- # Don't do this if $options['changed'] = false (null-edits) nor if
- # it's a minor edit and the user doesn't want notifications for those.
- if ( $options['changed']
- && $this->mTitle->getNamespace() == NS_USER_TALK
- && $shortTitle != $user->getTitleKey()
- && !( $revision->isMinor() && $user->isAllowed( 'nominornewtalk' ) )
- ) {
- if ( wfRunHooks( 'ArticleEditUpdateNewTalk', array( &$this ) ) ) {
- $other = User::newFromName( $shortTitle, false );
- if ( !$other ) {
- wfDebug( __METHOD__ . ": invalid username\n" );
- } elseif ( User::isIP( $shortTitle ) ) {
- // An anonymous user
- $other->setNewtalk( true, $revision );
- } elseif ( $other->isLoggedIn() ) {
- $other->setNewtalk( true, $revision );
- } else {
- wfDebug( __METHOD__ . ": don't need to notify a nonexistent user\n" );
- }
- }
- }
- if ( $this->mTitle->getNamespace() == NS_MEDIAWIKI ) {
- MessageCache::singleton()->replace( $shortTitle, $text );
- }
- if( $options['created'] ) {
- self::onArticleCreate( $this->mTitle );
- } else {
- self::onArticleEdit( $this->mTitle );
- }
- wfProfileOut( __METHOD__ );
- }
- /**
- * Edit an article without doing all that other stuff
- * The article must already exist; link tables etc
- * are not updated, caches are not flushed.
- *
- * @param $text String: text submitted
- * @param $user User The relevant user
- * @param $comment String: comment submitted
- * @param $minor Boolean: whereas it's a minor modification
- */
- public function doQuickEdit( $text, User $user, $comment = '', $minor = 0 ) {
- wfProfileIn( __METHOD__ );
- $dbw = wfGetDB( DB_MASTER );
- $revision = new Revision( array(
- 'page' => $this->getId(),
- 'text' => $text,
- 'comment' => $comment,
- 'minor_edit' => $minor ? 1 : 0,
- ) );
- $revision->insertOn( $dbw );
- $this->updateRevisionOn( $dbw, $revision );
- wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $revision, false, $user ) );
- wfProfileOut( __METHOD__ );
- }
- /**
- * Update the article's restriction field, and leave a log entry.
- * This works for protection both existing and non-existing pages.
- *
- * @param $limit Array: set of restriction keys
- * @param $reason String
- * @param &$cascade Integer. Set to false if cascading protection isn't allowed.
- * @param $expiry Array: per restriction type expiration
- * @param $user User The user updating the restrictions
- * @return Status
- */
- public function doUpdateRestrictions( array $limit, array $expiry, &$cascade, $reason, User $user ) {
- global $wgContLang;
- if ( wfReadOnly() ) {
- return Status::newFatal( 'readonlytext', wfReadOnlyReason() );
- }
- $restrictionTypes = $this->mTitle->getRestrictionTypes();
- $id = $this->mTitle->getArticleID();
- if ( !$cascade ) {
- $cascade = false;
- }
- // Take this opportunity to purge out expired restrictions
- Title::purgeExpiredRestrictions();
- # @todo FIXME: Same limitations as described in ProtectionForm.php (line 37);
- # we expect a single selection, but the schema allows otherwise.
- $isProtected = false;
- $protect = false;
- $changed = false;
- $dbw = wfGetDB( DB_MASTER );
- foreach ( $restrictionTypes as $action ) {
- if ( !isset( $expiry[$action] ) ) {
- $expiry[$action] = $dbw->getInfinity();
- }
- if ( !isset( $limit[$action] ) ) {
- $limit[$action] = '';
- } elseif ( $limit[$action] != '' ) {
- $protect = true;
- }
- # Get current restrictions on $action
- $current = implode( '', $this->mTitle->getRestrictions( $action ) );
- if ( $current != '' ) {
- $isProtected = true;
- }
- if ( $limit[$action] != $current ) {
- $changed = true;
- } elseif ( $limit[$action] != '' ) {
- # Only check expiry change if the action is actually being
- # protected, since expiry does nothing on an not-protected
- # action.
- if ( $this->mTitle->getRestrictionExpiry( $action ) != $expiry[$action] ) {
- $changed = true;
- }
- }
- }
- if ( !$changed && $protect && $this->mTitle->areRestrictionsCascading() != $cascade ) {
- $changed = true;
- }
- # If nothing's changed, do nothing
- if ( !$changed ) {
- return Status::newGood();
- }
- if ( !$protect ) { # No protection at all means unprotection
- $revCommentMsg = 'unprotectedarticle';
- $logAction = 'unprotect';
- } elseif ( $isProtected ) {
- $revCommentMsg = 'modifiedarticleprotection';
- $logAction = 'modify';
- } else {
- $revCommentMsg = 'protectedarticle';
- $logAction = 'protect';
- }
- $encodedExpiry = array();
- $protectDescription = '';
- foreach ( $limit as $action => $restrictions ) {
- $encodedExpiry[$action] = $dbw->encodeExpiry( $expiry[$action] );
- if ( $restrictions != '' ) {
- $protectDescription .= $wgContLang->getDirMark() . "[$action=$restrictions] (";
- if ( $encodedExpiry[$action] != 'infinity' ) {
- $protectDescription .= wfMessage(
- 'protect-expiring',
- $wgContLang->timeanddate( $expiry[$action], false, false ) ,
- $wgContLang->date( $expiry[$action], false, false ) ,
- $wgContLang->time( $expiry[$action], false, false )
- )->inContentLanguage()->text();
- } else {
- $protectDescription .= wfMessage( 'protect-expiry-indefinite' )
- ->inContentLanguage()->text();
- }
- $protectDescription .= ') ';
- }
- }
- $protectDescription = trim( $protectDescription );
- if ( $id ) { # Protection of existing page
- if ( !wfRunHooks( 'ArticleProtect', array( &$this, &$user, $limit, $reason ) ) ) {
- return Status::newGood();
- }
- # Only restrictions with the 'protect' right can cascade...
- # Otherwise, people who cannot normally protect can "protect" pages via transclusion
- $editrestriction = isset( $limit['edit'] ) ? array( $limit['edit'] ) : $this->mTitle->getRestrictions( 'edit' );
- # The schema allows multiple restrictions
- if ( !in_array( 'protect', $editrestriction ) && !in_array( 'sysop', $editrestriction ) ) {
- $cascade = false;
- }
- # Update restrictions table
- foreach ( $limit as $action => $restrictions ) {
- if ( $restrictions != '' ) {
- $dbw->replace( 'page_restrictions', array( array( 'pr_page', 'pr_type' ) ),
- array( 'pr_page' => $id,
- 'pr_type' => $action,
- 'pr_level' => $restrictions,
- 'pr_cascade' => ( $cascade && $action == 'edit' ) ? 1 : 0,
- 'pr_expiry' => $encodedExpiry[$action]
- ),
- __METHOD__
- );
- } else {
- $dbw->delete( 'page_restrictions', array( 'pr_page' => $id,
- 'pr_type' => $action ), __METHOD__ );
- }
- }
- # Prepare a null revision to be added to the history
- $editComment = $wgContLang->ucfirst(
- wfMessage(
- $revCommentMsg,
- $this->mTitle->getPrefixedText()
- )->inContentLanguage()->text()
- );
- if ( $reason ) {
- $editComment .= ": $reason";
- }
- if ( $protectDescription ) {
- $editComment .= " ($protectDescription)";
- }
- if ( $cascade ) {
- // FIXME: Should use 'brackets' message.
- $editComment .= ' [' . wfMessage( 'protect-summary-cascade' )
- ->inContentLanguage()->text() . ']';
- }
- # Insert a null revision
- $nullRevision = Revision::newNullRevision( $dbw, $id, $editComment, true );
- $nullRevId = $nullRevision->insertOn( $dbw );
- $latest = $this->getLatest();
- # Update page record
- $dbw->update( 'page',
- array( /* SET */
- 'page_touched' => $dbw->timestamp(),
- 'page_restrictions' => '',
- 'page_latest' => $nullRevId
- ), array( /* WHERE */
- 'page_id' => $id
- ), __METHOD__
- );
- wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $nullRevision, $latest, $user ) );
- wfRunHooks( 'ArticleProtectComplete', array( &$this, &$user, $limit, $reason ) );
- } else { # Protection of non-existing page (also known as "title protection")
- # Cascade protection is meaningless in this case
- $cascade = false;
- if ( $limit['create'] != '' ) {
- $dbw->replace( 'protected_titles',
- array( array( 'pt_namespace', 'pt_title' ) ),
- array(
- 'pt_namespace' => $this->mTitle->getNamespace(),
- 'pt_title' => $this->mTitle->getDBkey(),
- 'pt_create_perm' => $limit['create'],
- 'pt_timestamp' => $dbw->encodeExpiry( wfTimestampNow() ),
- 'pt_expiry' => $encodedExpiry['create'],
- 'pt_user' => $user->getId(),
- 'pt_reason' => $reason,
- ), __METHOD__
- );
- } else {
- $dbw->delete( 'protected_titles',
- array(
- 'pt_namespace' => $this->mTitle->getNamespace(),
- 'pt_title' => $this->mTitle->getDBkey()
- ), __METHOD__
- );
- }
- }
- $this->mTitle->flushRestrictions();
- if ( $logAction == 'unprotect' ) {
- $logParams = array();
- } else {
- $logParams = array( $protectDescription, $cascade ? 'cascade' : '' );
- }
- # Update the protection log
- $log = new LogPage( 'protect' );
- $log->addEntry( $logAction, $this->mTitle, trim( $reason ), $logParams, $user );
- return Status::newGood();
- }
- /**
- * Take an array of page restrictions and flatten it to a string
- * suitable for insertion into the page_restrictions field.
- * @param $limit Array
- * @throws MWException
- * @return String
- */
- protected static function flattenRestrictions( $limit ) {
- if ( !is_array( $limit ) ) {
- throw new MWException( 'WikiPage::flattenRestrictions given non-array restriction set' );
- }
- $bits = array();
- ksort( $limit );
- foreach ( $limit as $action => $restrictions ) {
- if ( $restrictions != '' ) {
- $bits[] = "$action=$restrictions";
- }
- }
- return implode( ':', $bits );
- }
- /**
- * Same as doDeleteArticleReal(), but returns a simple boolean. This is kept around for
- * backwards compatibility, if you care about error reporting you should use
- * doDeleteArticleReal() instead.
- *
- * Deletes the article with database consistency, writes logs, purges caches
- *
- * @param $reason string delete reason for deletion log
- * @param $suppress boolean suppress all revisions and log the deletion in
- * the suppression log instead of the deletion log
- * @param $id int article ID
- * @param $commit boolean defaults to true, triggers transaction end
- * @param &$error Array of errors to append to
- * @param $user User The deleting user
- * @return boolean true if successful
- */
- public function doDeleteArticle(
- $reason, $suppress = false, $id = 0, $commit = true, &$error = '', User $user = null
- ) {
- $status = $this->doDeleteArticleReal( $reason, $suppress, $id, $commit, $error, $user );
- return $status->isGood();
- }
- /**
- * Back-end article deletion
- * Deletes the article with database consistency, writes logs, purges caches
- *
- * @since 1.19
- *
- * @param $reason string delete reason for deletion log
- * @param $suppress boolean suppress all revisions and log the deletion in
- * the suppression log instead of the deletion log
- * @param $commit boolean defaults to true, triggers transaction end
- * @param &$error Array of errors to append to
- * @param $user User The deleting user
- * @return Status: Status object; if successful, $status->value is the log_id of the
- * deletion log entry. If the page couldn't be deleted because it wasn't
- * found, $status is a non-fatal 'cannotdelete' error
- */
- public function doDeleteArticleReal(
- $reason, $suppress = false, $id = 0, $commit = true, &$error = '', User $user = null
- ) {
- global $wgUser;
- wfDebug( __METHOD__ . "\n" );
- $status = Status::newGood();
- if ( $this->mTitle->getDBkey() === '' ) {
- $status->error( 'cannotdelete', wfEscapeWikiText( $this->getTitle()->getPrefixedText() ) );
- return $status;
- }
- $user = is_null( $user ) ? $wgUser : $user;
- if ( ! wfRunHooks( 'ArticleDelete', array( &$this, &$user, &$reason, &$error, &$status ) ) ) {
- if ( $status->isOK() ) {
- // Hook aborted but didn't set a fatal status
- $status->fatal( 'delete-hook-aborted' );
- }
- return $status;
- }
- if ( $id == 0 ) {
- $this->loadPageData( 'forupdate' );
- $id = $this->getID();
- if ( $id == 0 ) {
- $status->error( 'cannotdelete', wfEscapeWikiText( $this->getTitle()->getPrefixedText() ) );
- return $status;
- }
- }
- // Bitfields to further suppress the content
- if ( $suppress ) {
- $bitfield = 0;
- // This should be 15...
- $bitfield |= Revision::DELETED_TEXT;
- $bitfield |= Revision::DELETED_COMMENT;
- $bitfield |= Revision::DELETED_USER;
- $bitfield |= Revision::DELETED_RESTRICTED;
- } else {
- $bitfield = 'rev_deleted';
- }
- $dbw = wfGetDB( DB_MASTER );
- $dbw->begin( __METHOD__ );
- // For now, shunt the revision data into the archive table.
- // Text is *not* removed from the text table; bulk storage
- // is left intact to avoid breaking block-compression or
- // immutable storage schemes.
- //
- // For backwards compatibility, note that some older archive
- // table entries will have ar_text and ar_flags fields still.
- //
- // In the future, we may keep revisions and mark them with
- // the rev_deleted field, which is reserved for this purpose.
- $dbw->insertSelect( 'archive', array( 'page', 'revision' ),
- array(
- 'ar_namespace' => 'page_namespace',
- 'ar_title' => 'page_title',
- 'ar_comment' => 'rev_comment',
- 'ar_user' => 'rev_user',
- 'ar_user_text' => 'rev_user_text',
- 'ar_timestamp' => 'rev_timestamp',
- 'ar_minor_edit' => 'rev_minor_edit',
- 'ar_rev_id' => 'rev_id',
- 'ar_parent_id' => 'rev_parent_id',
- 'ar_text_id' => 'rev_text_id',
- 'ar_text' => '\'\'', // Be explicit to appease
- 'ar_flags' => '\'\'', // MySQL's "strict mode"...
- 'ar_len' => 'rev_len',
- 'ar_page_id' => 'page_id',
- 'ar_deleted' => $bitfield,
- 'ar_sha1' => 'rev_sha1'
- ), array(
- 'page_id' => $id,
- 'page_id = rev_page'
- ), __METHOD__
- );
- # Now that it's safely backed up, delete it
- $dbw->delete( 'page', array( 'page_id' => $id ), __METHOD__ );
- $ok = ( $dbw->affectedRows() > 0 ); // getArticleID() uses slave, could be laggy
- if ( !$ok ) {
- $dbw->rollback( __METHOD__ );
- $status->error( 'cannotdelete', wfEscapeWikiText( $this->getTitle()->getPrefixedText() ) );
- return $status;
- }
- $this->doDeleteUpdates( $id );
- # Log the deletion, if the page was suppressed, log it at Oversight instead
- $logtype = $suppress ? 'suppress' : 'delete';
- $logEntry = new ManualLogEntry( $logtype, 'delete' );
- $logEntry->setPerformer( $user );
- $logEntry->setTarget( $this->mTitle );
- $logEntry->setComment( $reason );
- $logid = $logEntry->insert();
- $logEntry->publish( $logid );
- if ( $commit ) {
- $dbw->commit( __METHOD__ );
- }
- wfRunHooks( 'ArticleDeleteComplete', array( &$this, &$user, $reason, $id ) );
- $status->value = $logid;
- return $status;
- }
- /**
- * Do some database updates after deletion
- *
- * @param $id Int: page_id value of the page being deleted (B/C, currently unused)
- */
- public function doDeleteUpdates( $id ) {
- # update site status
- DeferredUpdates::addUpdate( new SiteStatsUpdate( 0, 1, - (int)$this->isCountable(), -1 ) );
- # remove secondary indexes, etc
- $updates = $this->getDeletionUpdates( );
- DataUpdate::runUpdates( $updates );
- # Clear caches
- WikiPage::onArticleDelete( $this->mTitle );
- # Reset this object
- $this->clear();
- # Clear the cached article id so the interface doesn't act like we exist
- $this->mTitle->resetArticleID( 0 );
- }
- public function getDeletionUpdates() {
- $updates = array(
- new LinksDeletionUpdate( $this ),
- );
- //@todo: make a hook to add update objects
- //NOTE: deletion updates will be determined by the ContentHandler in the future
- return $updates;
- }
- /**
- * Roll back the most recent consecutive set of edits to a page
- * from the same user; fails if there are no eligible edits to
- * roll back to, e.g. user is the sole contributor. This function
- * performs permissions checks on $user, then calls commitRollback()
- * to do the dirty work
- *
- * @todo: seperate the business/permission stuff out from backend code
- *
- * @param $fromP String: Name of the user whose edits to rollback.
- * @param $summary String: Custom summary. Set to default summary if empty.
- * @param $token String: Rollback token.
- * @param $bot Boolean: If true, mark all reverted edits as bot.
- *
- * @param $resultDetails Array: contains result-specific array of additional values
- * 'alreadyrolled' : 'current' (rev)
- * success : 'summary' (str), 'current' (rev), 'target' (rev)
- *
- * @param $user User The user performing the rollback
- * @return array of errors, each error formatted as
- * array(messagekey, param1, param2, ...).
- * On success, the array is empty. This array can also be passed to
- * OutputPage::showPermissionsErrorPage().
- */
- public function doRollback(
- $fromP, $summary, $token, $bot, &$resultDetails, User $user
- ) {
- $resultDetails = null;
- # Check permissions
- $editErrors = $this->mTitle->getUserPermissionsErrors( 'edit', $user );
- $rollbackErrors = $this->mTitle->getUserPermissionsErrors( 'rollback', $user );
- $errors = array_merge( $editErrors, wfArrayDiff2( $rollbackErrors, $editErrors ) );
- if ( !$user->matchEditToken( $token, array( $this->mTitle->getPrefixedText(), $fromP ) ) ) {
- $errors[] = array( 'sessionfailure' );
- }
- if ( $user->pingLimiter( 'rollback' ) || $user->pingLimiter() ) {
- $errors[] = array( 'actionthrottledtext' );
- }
- # If there were errors, bail out now
- if ( !empty( $errors ) ) {
- return $errors;
- }
- return $this->commitRollback( $fromP, $summary, $bot, $resultDetails, $user );
- }
- /**
- * Backend implementation of doRollback(), please refer there for parameter
- * and return value documentation
- *
- * NOTE: This function does NOT check ANY permissions, it just commits the
- * rollback to the DB. Therefore, you should only call this function direct-
- * ly if you want to use custom permissions checks. If you don't, use
- * doRollback() instead.
- * @param $fromP String: Name of the user whose edits to rollback.
- * @param $summary String: Custom summary. Set to default summary if empty.
- * @param $bot Boolean: If true, mark all reverted edits as bot.
- *
- * @param $resultDetails Array: contains result-specific array of additional values
- * @param $guser User The user performing the rollback
- * @return array
- */
- public function commitRollback( $fromP, $summary, $bot, &$resultDetails, User $guser ) {
- global $wgUseRCPatrol, $wgContLang;
- $dbw = wfGetDB( DB_MASTER );
- if ( wfReadOnly() ) {
- return array( array( 'readonlytext' ) );
- }
- # Get the last editor
- $current = $this->getRevision();
- if ( is_null( $current ) ) {
- # Something wrong... no page?
- return array( array( 'notanarticle' ) );
- }
- $from = str_replace( '_', ' ', $fromP );
- # User name given should match up with the top revision.
- # If the user was deleted then $from should be empty.
- if ( $from != $current->getUserText() ) {
- $resultDetails = array( 'current' => $current );
- return array( array( 'alreadyrolled',
- htmlspecialchars( $this->mTitle->getPrefixedText() ),
- htmlspecialchars( $fromP ),
- htmlspecialchars( $current->getUserText() )
- ) );
- }
- # Get the last edit not by this guy...
- # Note: these may not be public values
- $user = intval( $current->getRawUser() );
- $user_text = $dbw->addQuotes( $current->getRawUserText() );
- $s = $dbw->selectRow( 'revision',
- array( 'rev_id', 'rev_timestamp', 'rev_deleted' ),
- array( 'rev_page' => $current->getPage(),
- "rev_user != {$user} OR rev_user_text != {$user_text}"
- ), __METHOD__,
- array( 'USE INDEX' => 'page_timestamp',
- 'ORDER BY' => 'rev_timestamp DESC' )
- );
- if ( $s === false ) {
- # No one else ever edited this page
- return array( array( 'cantrollback' ) );
- } elseif ( $s->rev_deleted & Revision::DELETED_TEXT || $s->rev_deleted & Revision::DELETED_USER ) {
- # Only admins can see this text
- return array( array( 'notvisiblerev' ) );
- }
- $set = array();
- if ( $bot && $guser->isAllowed( 'markbotedits' ) ) {
- # Mark all reverted edits as bot
- $set['rc_bot'] = 1;
- }
- if ( $wgUseRCPatrol ) {
- # Mark all reverted edits as patrolled
- $set['rc_patrolled'] = 1;
- }
- if ( count( $set ) ) {
- $dbw->update( 'recentchanges', $set,
- array( /* WHERE */
- 'rc_cur_id' => $current->getPage(),
- 'rc_user_text' => $current->getUserText(),
- 'rc_timestamp > ' . $dbw->addQuotes( $s->rev_timestamp ),
- ), __METHOD__
- );
- }
- # Generate the edit summary if necessary
- $target = Revision::newFromId( $s->rev_id );
- if ( empty( $summary ) ) {
- if ( $from == '' ) { // no public user name
- $summary = wfMessage( 'revertpage-nouser' );
- } else {
- $summary = wfMessage( 'revertpage' );
- }
- }
- # Allow the custom summary to use the same args as the default message
- $args = array(
- $target->getUserText(), $from, $s->rev_id,
- $wgContLang->timeanddate( wfTimestamp( TS_MW, $s->rev_timestamp ) ),
- $current->getId(), $wgContLang->timeanddate( $current->getTimestamp() )
- );
- if( $summary instanceof Message ) {
- $summary = $summary->params( $args )->inContentLanguage()->text();
- } else {
- $summary = wfMsgReplaceArgs( $summary, $args );
- }
- # Truncate for whole multibyte characters.
- $summary = $wgContLang->truncate( $summary, 255 );
- # Save
- $flags = EDIT_UPDATE;
- if ( $guser->isAllowed( 'minoredit' ) ) {
- $flags |= EDIT_MINOR;
- }
- if ( $bot && ( $guser->isAllowedAny( 'markbotedits', 'bot' ) ) ) {
- $flags |= EDIT_FORCE_BOT;
- }
- # Actually store the edit
- $status = $this->doEdit( $target->getText(), $summary, $flags, $target->getId(), $guser );
- if ( !empty( $status->value['revision'] ) ) {
- $revId = $status->value['revision']->getId();
- } else {
- $revId = false;
- }
- wfRunHooks( 'ArticleRollbackComplete', array( $this, $guser, $target, $current ) );
- $resultDetails = array(
- 'summary' => $summary,
- 'current' => $current,
- 'target' => $target,
- 'newid' => $revId
- );
- return array();
- }
- /**
- * The onArticle*() functions are supposed to be a kind of hooks
- * which should be called whenever any of the specified actions
- * are done.
- *
- * This is a good place to put code to clear caches, for instance.
- *
- * This is called on page move and undelete, as well as edit
- *
- * @param $title Title object
- */
- public static function onArticleCreate( $title ) {
- # Update existence markers on article/talk tabs...
- if ( $title->isTalkPage() ) {
- $other = $title->getSubjectPage();
- } else {
- $other = $title->getTalkPage();
- }
- $other->invalidateCache();
- $other->purgeSquid();
- $title->touchLinks();
- $title->purgeSquid();
- $title->deleteTitleProtection();
- }
- /**
- * Clears caches when article is deleted
- *
- * @param $title Title
- */
- public static function onArticleDelete( $title ) {
- # Update existence markers on article/talk tabs...
- if ( $title->isTalkPage() ) {
- $other = $title->getSubjectPage();
- } else {
- $other = $title->getTalkPage();
- }
- $other->invalidateCache();
- $other->purgeSquid();
- $title->touchLinks();
- $title->purgeSquid();
- # File cache
- HTMLFileCache::clearFileCache( $title );
- # Messages
- if ( $title->getNamespace() == NS_MEDIAWIKI ) {
- MessageCache::singleton()->replace( $title->getDBkey(), false );
- }
- # Images
- if ( $title->getNamespace() == NS_FILE ) {
- $update = new HTMLCacheUpdate( $title, 'imagelinks' );
- $update->doUpdate();
- }
- # User talk pages
- if ( $title->getNamespace() == NS_USER_TALK ) {
- $user = User::newFromName( $title->getText(), false );
- if ( $user ) {
- $user->setNewtalk( false );
- }
- }
- # Image redirects
- RepoGroup::singleton()->getLocalRepo()->invalidateImageRedirect( $title );
- }
- /**
- * Purge caches on page update etc
- *
- * @param $title Title object
- * @todo: verify that $title is always a Title object (and never false or null), add Title hint to parameter $title
- */
- public static function onArticleEdit( $title ) {
- // Invalidate caches of articles which include this page
- DeferredUpdates::addHTMLCacheUpdate( $title, 'templatelinks' );
- // Invalidate the caches of all pages which redirect here
- DeferredUpdates::addHTMLCacheUpdate( $title, 'redirect' );
- # Purge squid for this page only
- $title->purgeSquid();
- # Clear file cache for this page only
- HTMLFileCache::clearFileCache( $title );
- }
- /**#@-*/
- /**
- * Returns a list of hidden categories this page is a member of.
- * Uses the page_props and categorylinks tables.
- *
- * @return Array of Title objects
- */
- public function getHiddenCategories() {
- $result = array();
- $id = $this->mTitle->getArticleID();
- if ( $id == 0 ) {
- return array();
- }
- $dbr = wfGetDB( DB_SLAVE );
- $res = $dbr->select( array( 'categorylinks', 'page_props', 'page' ),
- array( 'cl_to' ),
- array( 'cl_from' => $id, 'pp_page=page_id', 'pp_propname' => 'hiddencat',
- 'page_namespace' => NS_CATEGORY, 'page_title=cl_to' ),
- __METHOD__ );
- if ( $res !== false ) {
- foreach ( $res as $row ) {
- $result[] = Title::makeTitle( NS_CATEGORY, $row->cl_to );
- }
- }
- return $result;
- }
- /**
- * Return an applicable autosummary if one exists for the given edit.
- * @param $oldtext String: the previous text of the page.
- * @param $newtext String: The submitted text of the page.
- * @param $flags Int bitmask: a bitmask of flags submitted for the edit.
- * @return string An appropriate autosummary, or an empty string.
- */
- public static function getAutosummary( $oldtext, $newtext, $flags ) {
- global $wgContLang;
- # Decide what kind of autosummary is needed.
- # Redirect autosummaries
- $ot = Title::newFromRedirect( $oldtext );
- $rt = Title::newFromRedirect( $newtext );
- if ( is_object( $rt ) && ( !is_object( $ot ) || !$rt->equals( $ot ) || $ot->getFragment() != $rt->getFragment() ) ) {
- $truncatedtext = $wgContLang->truncate(
- str_replace( "\n", ' ', $newtext ),
- max( 0, 255
- - strlen( wfMessage( 'autoredircomment' )->inContentLanguage()->text() )
- - strlen( $rt->getFullText() )
- ) );
- return wfMessage( 'autoredircomment', $rt->getFullText() )
- ->rawParams( $truncatedtext )->inContentLanguage()->text();
- }
- # New page autosummaries
- if ( $flags & EDIT_NEW && strlen( $newtext ) ) {
- # If they're making a new article, give its text, truncated, in the summary.
- $truncatedtext = $wgContLang->truncate(
- str_replace( "\n", ' ', $newtext ),
- max( 0, 200 - strlen( wfMessage( 'autosumm-new' )->inContentLanguage()->text() ) ) );
- return wfMessage( 'autosumm-new' )->rawParams( $truncatedtext )
- ->inContentLanguage()->text();
- }
- # Blanking autosummaries
- if ( $oldtext != '' && $newtext == '' ) {
- return wfMessage( 'autosumm-blank' )->inContentLanguage()->text();
- } elseif ( strlen( $oldtext ) > 10 * strlen( $newtext ) && strlen( $newtext ) < 500 ) {
- # Removing more than 90% of the article
- $truncatedtext = $wgContLang->truncate(
- $newtext,
- max( 0, 200 - strlen( wfMessage( 'autosumm-replace' )->inContentLanguage()->text() ) ) );
- return wfMessage( 'autosumm-replace' )->rawParams( $truncatedtext )
- ->inContentLanguage()->text();
- }
- # If we reach this point, there's no applicable autosummary for our case, so our
- # autosummary is empty.
- return '';
- }
- /**
- * Auto-generates a deletion reason
- *
- * @param &$hasHistory Boolean: whether the page has a history
- * @return mixed String containing deletion reason or empty string, or boolean false
- * if no revision occurred
- */
- public function getAutoDeleteReason( &$hasHistory ) {
- global $wgContLang;
- // Get the last revision
- $rev = $this->getRevision();
- if ( is_null( $rev ) ) {
- return false;
- }
- // Get the article's contents
- $contents = $rev->getText();
- $blank = false;
- // If the page is blank, use the text from the previous revision,
- // which can only be blank if there's a move/import/protect dummy revision involved
- if ( $contents == '' ) {
- $prev = $rev->getPrevious();
- if ( $prev ) {
- $contents = $prev->getText();
- $blank = true;
- }
- }
- $dbw = wfGetDB( DB_MASTER );
- // Find out if there was only one contributor
- // Only scan the last 20 revisions
- $res = $dbw->select( 'revision', 'rev_user_text',
- array( 'rev_page' => $this->getID(), $dbw->bitAnd( 'rev_deleted', Revision::DELETED_USER ) . ' = 0' ),
- __METHOD__,
- array( 'LIMIT' => 20 )
- );
- if ( $res === false ) {
- // This page has no revisions, which is very weird
- return false;
- }
- $hasHistory = ( $res->numRows() > 1 );
- $row = $dbw->fetchObject( $res );
- if ( $row ) { // $row is false if the only contributor is hidden
- $onlyAuthor = $row->rev_user_text;
- // Try to find a second contributor
- foreach ( $res as $row ) {
- if ( $row->rev_user_text != $onlyAuthor ) { // Bug 22999
- $onlyAuthor = false;
- break;
- }
- }
- } else {
- $onlyAuthor = false;
- }
- // Generate the summary with a '$1' placeholder
- if ( $blank ) {
- // The current revision is blank and the one before is also
- // blank. It's just not our lucky day
- $reason = wfMessage( 'exbeforeblank', '$1' )->inContentLanguage()->text();
- } else {
- if ( $onlyAuthor ) {
- $reason = wfMessage(
- 'excontentauthor',
- '$1',
- $onlyAuthor
- )->inContentLanguage()->text();
- } else {
- $reason = wfMessage( 'excontent', '$1' )->inContentLanguage()->text();
- }
- }
- if ( $reason == '-' ) {
- // Allow these UI messages to be blanked out cleanly
- return '';
- }
- // Replace newlines with spaces to prevent uglyness
- $contents = preg_replace( "/[\n\r]/", ' ', $contents );
- // Calculate the maximum amount of chars to get
- // Max content length = max comment length - length of the comment (excl. $1)
- $maxLength = 255 - ( strlen( $reason ) - 2 );
- $contents = $wgContLang->truncate( $contents, $maxLength );
- // Remove possible unfinished links
- $contents = preg_replace( '/\[\[([^\]]*)\]?$/', '$1', $contents );
- // Now replace the '$1' placeholder
- $reason = str_replace( '$1', $contents, $reason );
- return $reason;
- }
- /**
- * Update all the appropriate counts in the category table, given that
- * we've added the categories $added and deleted the categories $deleted.
- *
- * @param $added array The names of categories that were added
- * @param $deleted array The names of categories that were deleted
- */
- public function updateCategoryCounts( $added, $deleted ) {
- $ns = $this->mTitle->getNamespace();
- $dbw = wfGetDB( DB_MASTER );
- # First make sure the rows exist. If one of the "deleted" ones didn't
- # exist, we might legitimately not create it, but it's simpler to just
- # create it and then give it a negative value, since the value is bogus
- # anyway.
- #
- # Sometimes I wish we had INSERT ... ON DUPLICATE KEY UPDATE.
- $insertCats = array_merge( $added, $deleted );
- if ( !$insertCats ) {
- # Okay, nothing to do
- return;
- }
- $insertRows = array();
- foreach ( $insertCats as $cat ) {
- $insertRows[] = array(
- 'cat_id' => $dbw->nextSequenceValue( 'category_cat_id_seq' ),
- 'cat_title' => $cat
- );
- }
- $dbw->insert( 'category', $insertRows, __METHOD__, 'IGNORE' );
- $addFields = array( 'cat_pages = cat_pages + 1' );
- $removeFields = array( 'cat_pages = cat_pages - 1' );
- if ( $ns == NS_CATEGORY ) {
- $addFields[] = 'cat_subcats = cat_subcats + 1';
- $removeFields[] = 'cat_subcats = cat_subcats - 1';
- } elseif ( $ns == NS_FILE ) {
- $addFields[] = 'cat_files = cat_files + 1';
- $removeFields[] = 'cat_files = cat_files - 1';
- }
- if ( $added ) {
- $dbw->update(
- 'category',
- $addFields,
- array( 'cat_title' => $added ),
- __METHOD__
- );
- }
- if ( $deleted ) {
- $dbw->update(
- 'category',
- $removeFields,
- array( 'cat_title' => $deleted ),
- __METHOD__
- );
- }
- }
- /**
- * Updates cascading protections
- *
- * @param $parserOutput ParserOutput object for the current version
- */
- public function doCascadeProtectionUpdates( ParserOutput $parserOutput ) {
- if ( wfReadOnly() || !$this->mTitle->areRestrictionsCascading() ) {
- return;
- }
- // templatelinks table may have become out of sync,
- // especially if using variable-based transclusions.
- // For paranoia, check if things have changed and if
- // so apply updates to the database. This will ensure
- // that cascaded protections apply as soon as the changes
- // are visible.
- # Get templates from templatelinks
- $id = $this->mTitle->getArticleID();
- $tlTemplates = array();
- $dbr = wfGetDB( DB_SLAVE );
- $res = $dbr->select( array( 'templatelinks' ),
- array( 'tl_namespace', 'tl_title' ),
- array( 'tl_from' => $id ),
- __METHOD__
- );
- foreach ( $res as $row ) {
- $tlTemplates["{$row->tl_namespace}:{$row->tl_title}"] = true;
- }
- # Get templates from parser output.
- $poTemplates = array();
- foreach ( $parserOutput->getTemplates() as $ns => $templates ) {
- foreach ( $templates as $dbk => $id ) {
- $poTemplates["$ns:$dbk"] = true;
- }
- }
- # Get the diff
- $templates_diff = array_diff_key( $poTemplates, $tlTemplates );
- if ( count( $templates_diff ) > 0 ) {
- # Whee, link updates time.
- # Note: we are only interested in links here. We don't need to get other DataUpdate items from the parser output.
- $u = new LinksUpdate( $this->mTitle, $parserOutput, false );
- $u->doUpdate();
- }
- }
- /**
- * Return a list of templates used by this article.
- * Uses the templatelinks table
- *
- * @deprecated in 1.19; use Title::getTemplateLinksFrom()
- * @return Array of Title objects
- */
- public function getUsedTemplates() {
- return $this->mTitle->getTemplateLinksFrom();
- }
- /**
- * Perform article updates on a special page creation.
- *
- * @param $rev Revision object
- *
- * @todo This is a shitty interface function. Kill it and replace the
- * other shitty functions like doEditUpdates and such so it's not needed
- * anymore.
- * @deprecated since 1.18, use doEditUpdates()
- */
- public function createUpdates( $rev ) {
- wfDeprecated( __METHOD__, '1.18' );
- global $wgUser;
- $this->doEditUpdates( $rev, $wgUser, array( 'created' => true ) );
- }
- /**
- * This function is called right before saving the wikitext,
- * so we can do things like signatures and links-in-context.
- *
- * @deprecated in 1.19; use Parser::preSaveTransform() instead
- * @param $text String article contents
- * @param $user User object: user doing the edit
- * @param $popts ParserOptions object: parser options, default options for
- * the user loaded if null given
- * @return string article contents with altered wikitext markup (signatures
- * converted, {{subst:}}, templates, etc.)
- */
- public function preSaveTransform( $text, User $user = null, ParserOptions $popts = null ) {
- global $wgParser, $wgUser;
- wfDeprecated( __METHOD__, '1.19' );
- $user = is_null( $user ) ? $wgUser : $user;
- if ( $popts === null ) {
- $popts = ParserOptions::newFromUser( $user );
- }
- return $wgParser->preSaveTransform( $text, $this->mTitle, $user, $popts );
- }
- /**
- * Check whether the number of revisions of this page surpasses $wgDeleteRevisionsLimit
- *
- * @deprecated in 1.19; use Title::isBigDeletion() instead.
- * @return bool
- */
- public function isBigDeletion() {
- wfDeprecated( __METHOD__, '1.19' );
- return $this->mTitle->isBigDeletion();
- }
- /**
- * Get the approximate revision count of this page.
- *
- * @deprecated in 1.19; use Title::estimateRevisionCount() instead.
- * @return int
- */
- public function estimateRevisionCount() {
- wfDeprecated( __METHOD__, '1.19' );
- return $this->mTitle->estimateRevisionCount();
- }
- /**
- * Update the article's restriction field, and leave a log entry.
- *
- * @deprecated since 1.19
- * @param $limit Array: set of restriction keys
- * @param $reason String
- * @param &$cascade Integer. Set to false if cascading protection isn't allowed.
- * @param $expiry Array: per restriction type expiration
- * @param $user User The user updating the restrictions
- * @return bool true on success
- */
- public function updateRestrictions(
- $limit = array(), $reason = '', &$cascade = 0, $expiry = array(), User $user = null
- ) {
- global $wgUser;
- $user = is_null( $user ) ? $wgUser : $user;
- return $this->doUpdateRestrictions( $limit, $expiry, $cascade, $reason, $user )->isOK();
- }
- /**
- * @deprecated since 1.18
- */
- public function quickEdit( $text, $comment = '', $minor = 0 ) {
- wfDeprecated( __METHOD__, '1.18' );
- global $wgUser;
- $this->doQuickEdit( $text, $wgUser, $comment, $minor );
- }
- /**
- * @deprecated since 1.18
- */
- public function viewUpdates() {
- wfDeprecated( __METHOD__, '1.18' );
- global $wgUser;
- return $this->doViewUpdates( $wgUser );
- }
- /**
- * @deprecated since 1.18
- * @param $oldid int
- * @return bool
- */
- public function useParserCache( $oldid ) {
- wfDeprecated( __METHOD__, '1.18' );
- global $wgUser;
- return $this->isParserCacheUsed( ParserOptions::newFromUser( $wgUser ), $oldid );
- }
- }
- class PoolWorkArticleView extends PoolCounterWork {
- /**
- * @var Page
- */
- private $page;
- /**
- * @var string
- */
- private $cacheKey;
- /**
- * @var integer
- */
- private $revid;
- /**
- * @var ParserOptions
- */
- private $parserOptions;
- /**
- * @var string|null
- */
- private $text;
- /**
- * @var ParserOutput|bool
- */
- private $parserOutput = false;
- /**
- * @var bool
- */
- private $isDirty = false;
- /**
- * @var Status|bool
- */
- private $error = false;
- /**
- * Constructor
- *
- * @param $page Page
- * @param $revid Integer: ID of the revision being parsed
- * @param $useParserCache Boolean: whether to use the parser cache
- * @param $parserOptions parserOptions to use for the parse operation
- * @param $text String: text to parse or null to load it
- */
- function __construct( Page $page, ParserOptions $parserOptions, $revid, $useParserCache, $text = null ) {
- $this->page = $page;
- $this->revid = $revid;
- $this->cacheable = $useParserCache;
- $this->parserOptions = $parserOptions;
- $this->text = $text;
- $this->cacheKey = ParserCache::singleton()->getKey( $page, $parserOptions );
- parent::__construct( 'ArticleView', $this->cacheKey . ':revid:' . $revid );
- }
- /**
- * Get the ParserOutput from this object, or false in case of failure
- *
- * @return ParserOutput
- */
- public function getParserOutput() {
- return $this->parserOutput;
- }
- /**
- * Get whether the ParserOutput is a dirty one (i.e. expired)
- *
- * @return bool
- */
- public function getIsDirty() {
- return $this->isDirty;
- }
- /**
- * Get a Status object in case of error or false otherwise
- *
- * @return Status|bool
- */
- public function getError() {
- return $this->error;
- }
- /**
- * @return bool
- */
- function doWork() {
- global $wgParser, $wgUseFileCache;
- $isCurrent = $this->revid === $this->page->getLatest();
- if ( $this->text !== null ) {
- $text = $this->text;
- } elseif ( $isCurrent ) {
- $text = $this->page->getRawText();
- } else {
- $rev = Revision::newFromTitle( $this->page->getTitle(), $this->revid );
- if ( $rev === null ) {
- return false;
- }
- $text = $rev->getText();
- }
- $time = - microtime( true );
- $this->parserOutput = $wgParser->parse( $text, $this->page->getTitle(),
- $this->parserOptions, true, true, $this->revid );
- $time += microtime( true );
- # Timing hack
- if ( $time > 3 ) {
- wfDebugLog( 'slow-parse', sprintf( "%-5.2f %s", $time,
- $this->page->getTitle()->getPrefixedDBkey() ) );
- }
- if ( $this->cacheable && $this->parserOutput->isCacheable() ) {
- ParserCache::singleton()->save( $this->parserOutput, $this->page, $this->parserOptions );
- }
- // Make sure file cache is not used on uncacheable content.
- // Output that has magic words in it can still use the parser cache
- // (if enabled), though it will generally expire sooner.
- if ( !$this->parserOutput->isCacheable() || $this->parserOutput->containsOldMagic() ) {
- $wgUseFileCache = false;
- }
- if ( $isCurrent ) {
- $this->page->doCascadeProtectionUpdates( $this->parserOutput );
- }
- return true;
- }
- /**
- * @return bool
- */
- function getCachedWork() {
- $this->parserOutput = ParserCache::singleton()->get( $this->page, $this->parserOptions );
- if ( $this->parserOutput === false ) {
- wfDebug( __METHOD__ . ": parser cache miss\n" );
- return false;
- } else {
- wfDebug( __METHOD__ . ": parser cache hit\n" );
- return true;
- }
- }
- /**
- * @return bool
- */
- function fallback() {
- $this->parserOutput = ParserCache::singleton()->getDirty( $this->page, $this->parserOptions );
- if ( $this->parserOutput === false ) {
- wfDebugLog( 'dirty', "dirty missing\n" );
- wfDebug( __METHOD__ . ": no dirty cache\n" );
- return false;
- } else {
- wfDebug( __METHOD__ . ": sending dirty output\n" );
- wfDebugLog( 'dirty', "dirty output {$this->cacheKey}\n" );
- $this->isDirty = true;
- return true;
- }
- }
- /**
- * @param $status Status
- * @return bool
- */
- function error( $status ) {
- $this->error = $status;
- return false;
- }
- }