3 * Base representation for a MediaWiki page.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 * http://www.gnu.org/copyleft/gpl.html
24 * Interface for type hinting (accepts WikiPage, Article, ImagePage, CategoryPage)
30 * Class representing a MediaWiki article and history.
32 * Some fields are public only for backwards-compatibility. Use accessors.
33 * In the past, this class was part of Article.php and everything was public.
35 class WikiPage
implements Page
, IDBAccessObject
{
36 // Constants for $mDataLoadedFrom and related
41 public $mTitle = null;
46 public $mDataLoaded = false; // !< Boolean
47 public $mIsRedirect = false; // !< Boolean
48 public $mLatest = false; // !< Integer (false means "not loaded")
51 /** @var stdClass Map of cache fields (text, parser output, ect) for a proposed/new edit */
52 public $mPreparedEdit = false;
57 protected $mId = null;
60 * @var int One of the READ_* constants
62 protected $mDataLoadedFrom = self
::READ_NONE
;
67 protected $mRedirectTarget = null;
72 protected $mLastRevision = null;
75 * @var string Timestamp of the current revision or empty string if not loaded
77 protected $mTimestamp = '';
82 protected $mTouched = '19700101000000';
87 protected $mLinksUpdated = '19700101000000';
90 * Constructor and clear the article
91 * @param Title $title Reference to a Title object.
93 public function __construct( Title
$title ) {
94 $this->mTitle
= $title;
98 * Create a WikiPage object of the appropriate class for the given title.
100 * @param Title $title
102 * @throws MWException
103 * @return WikiPage Object of the appropriate type
105 public static function factory( Title
$title ) {
106 $ns = $title->getNamespace();
108 if ( $ns == NS_MEDIA
) {
109 throw new MWException( "NS_MEDIA is a virtual namespace; use NS_FILE." );
110 } elseif ( $ns < 0 ) {
111 throw new MWException( "Invalid or virtual namespace $ns given." );
116 $page = new WikiFilePage( $title );
119 $page = new WikiCategoryPage( $title );
122 $page = new WikiPage( $title );
129 * Constructor from a page id
131 * @param int $id Article ID to load
132 * @param string|int $from One of the following values:
133 * - "fromdb" or WikiPage::READ_NORMAL to select from a slave database
134 * - "fromdbmaster" or WikiPage::READ_LATEST to select from the master database
136 * @return WikiPage|null
138 public static function newFromID( $id, $from = 'fromdb' ) {
139 // page id's are never 0 or negative, see bug 61166
144 $from = self
::convertSelectType( $from );
145 $db = wfGetDB( $from === self
::READ_LATEST ? DB_MASTER
: DB_SLAVE
);
146 $row = $db->selectRow(
147 'page', self
::selectFields(), [ 'page_id' => $id ], __METHOD__
);
151 return self
::newFromRow( $row, $from );
155 * Constructor from a database row
158 * @param object $row Database row containing at least fields returned by selectFields().
159 * @param string|int $from Source of $data:
160 * - "fromdb" or WikiPage::READ_NORMAL: from a slave DB
161 * - "fromdbmaster" or WikiPage::READ_LATEST: from the master DB
162 * - "forupdate" or WikiPage::READ_LOCKING: from the master DB using SELECT FOR UPDATE
165 public static function newFromRow( $row, $from = 'fromdb' ) {
166 $page = self
::factory( Title
::newFromRow( $row ) );
167 $page->loadFromRow( $row, $from );
172 * Convert 'fromdb', 'fromdbmaster' and 'forupdate' to READ_* constants.
174 * @param object|string|int $type
177 private static function convertSelectType( $type ) {
180 return self
::READ_NORMAL
;
182 return self
::READ_LATEST
;
184 return self
::READ_LOCKING
;
186 // It may already be an integer or whatever else
192 * Returns overrides for action handlers.
193 * Classes listed here will be used instead of the default one when
194 * (and only when) $wgActions[$action] === true. This allows subclasses
195 * to override the default behavior.
197 * @todo Move this UI stuff somewhere else
201 public function getActionOverrides() {
202 $content_handler = $this->getContentHandler();
203 return $content_handler->getActionOverrides();
207 * Returns the ContentHandler instance to be used to deal with the content of this WikiPage.
209 * Shorthand for ContentHandler::getForModelID( $this->getContentModel() );
211 * @return ContentHandler
215 public function getContentHandler() {
216 return ContentHandler
::getForModelID( $this->getContentModel() );
220 * Get the title object of the article
221 * @return Title Title object of this page
223 public function getTitle() {
224 return $this->mTitle
;
231 public function clear() {
232 $this->mDataLoaded
= false;
233 $this->mDataLoadedFrom
= self
::READ_NONE
;
235 $this->clearCacheFields();
239 * Clear the object cache fields
242 protected function clearCacheFields() {
244 $this->mRedirectTarget
= null; // Title object if set
245 $this->mLastRevision
= null; // Latest revision
246 $this->mTouched
= '19700101000000';
247 $this->mLinksUpdated
= '19700101000000';
248 $this->mTimestamp
= '';
249 $this->mIsRedirect
= false;
250 $this->mLatest
= false;
251 // Bug 57026: do not clear mPreparedEdit since prepareTextForEdit() already checks
252 // the requested rev ID and content against the cached one for equality. For most
253 // content types, the output should not change during the lifetime of this cache.
254 // Clearing it can cause extra parses on edit for no reason.
258 * Clear the mPreparedEdit cache field, as may be needed by mutable content types
262 public function clearPreparedEdit() {
263 $this->mPreparedEdit
= false;
267 * Return the list of revision fields that should be selected to create
272 public static function selectFields() {
273 global $wgContentHandlerUseDB, $wgPageLanguageUseDB;
284 'page_links_updated',
289 if ( $wgContentHandlerUseDB ) {
290 $fields[] = 'page_content_model';
293 if ( $wgPageLanguageUseDB ) {
294 $fields[] = 'page_lang';
301 * Fetch a page record with the given conditions
302 * @param IDatabase $dbr
303 * @param array $conditions
304 * @param array $options
305 * @return object|bool Database result resource, or false on failure
307 protected function pageData( $dbr, $conditions, $options = [] ) {
308 $fields = self
::selectFields();
310 Hooks
::run( 'ArticlePageDataBefore', [ &$this, &$fields ] );
312 $row = $dbr->selectRow( 'page', $fields, $conditions, __METHOD__
, $options );
314 Hooks
::run( 'ArticlePageDataAfter', [ &$this, &$row ] );
320 * Fetch a page record matching the Title object's namespace and title
321 * using a sanitized title string
323 * @param IDatabase $dbr
324 * @param Title $title
325 * @param array $options
326 * @return object|bool Database result resource, or false on failure
328 public function pageDataFromTitle( $dbr, $title, $options = [] ) {
329 return $this->pageData( $dbr, [
330 'page_namespace' => $title->getNamespace(),
331 'page_title' => $title->getDBkey() ], $options );
335 * Fetch a page record matching the requested ID
337 * @param IDatabase $dbr
339 * @param array $options
340 * @return object|bool Database result resource, or false on failure
342 public function pageDataFromId( $dbr, $id, $options = [] ) {
343 return $this->pageData( $dbr, [ 'page_id' => $id ], $options );
347 * Load the object from a given source by title
349 * @param object|string|int $from One of the following:
350 * - A DB query result object.
351 * - "fromdb" or WikiPage::READ_NORMAL to get from a slave DB.
352 * - "fromdbmaster" or WikiPage::READ_LATEST to get from the master DB.
353 * - "forupdate" or WikiPage::READ_LOCKING to get from the master DB
354 * using SELECT FOR UPDATE.
358 public function loadPageData( $from = 'fromdb' ) {
359 $from = self
::convertSelectType( $from );
360 if ( is_int( $from ) && $from <= $this->mDataLoadedFrom
) {
361 // We already have the data from the correct location, no need to load it twice.
365 if ( is_int( $from ) ) {
366 list( $index, $opts ) = DBAccessObjectUtils
::getDBOptions( $from );
367 $data = $this->pageDataFromTitle( wfGetDB( $index ), $this->mTitle
, $opts );
370 && $index == DB_SLAVE
371 && wfGetLB()->getServerCount() > 1
372 && wfGetLB()->hasOrMadeRecentMasterChanges()
374 $from = self
::READ_LATEST
;
375 list( $index, $opts ) = DBAccessObjectUtils
::getDBOptions( $from );
376 $data = $this->pageDataFromTitle( wfGetDB( $index ), $this->mTitle
, $opts );
379 // No idea from where the caller got this data, assume slave database.
381 $from = self
::READ_NORMAL
;
384 $this->loadFromRow( $data, $from );
388 * Load the object from a database row
391 * @param object|bool $data DB row containing fields returned by selectFields() or false
392 * @param string|int $from One of the following:
393 * - "fromdb" or WikiPage::READ_NORMAL if the data comes from a slave DB
394 * - "fromdbmaster" or WikiPage::READ_LATEST if the data comes from the master DB
395 * - "forupdate" or WikiPage::READ_LOCKING if the data comes from
396 * the master DB using SELECT FOR UPDATE
398 public function loadFromRow( $data, $from ) {
399 $lc = LinkCache
::singleton();
400 $lc->clearLink( $this->mTitle
);
403 $lc->addGoodLinkObjFromRow( $this->mTitle
, $data );
405 $this->mTitle
->loadFromRow( $data );
407 // Old-fashioned restrictions
408 $this->mTitle
->loadRestrictions( $data->page_restrictions
);
410 $this->mId
= intval( $data->page_id
);
411 $this->mTouched
= wfTimestamp( TS_MW
, $data->page_touched
);
412 $this->mLinksUpdated
= wfTimestampOrNull( TS_MW
, $data->page_links_updated
);
413 $this->mIsRedirect
= intval( $data->page_is_redirect
);
414 $this->mLatest
= intval( $data->page_latest
);
415 // Bug 37225: $latest may no longer match the cached latest Revision object.
416 // Double-check the ID of any cached latest Revision object for consistency.
417 if ( $this->mLastRevision
&& $this->mLastRevision
->getId() != $this->mLatest
) {
418 $this->mLastRevision
= null;
419 $this->mTimestamp
= '';
422 $lc->addBadLinkObj( $this->mTitle
);
424 $this->mTitle
->loadFromRow( false );
426 $this->clearCacheFields();
431 $this->mDataLoaded
= true;
432 $this->mDataLoadedFrom
= self
::convertSelectType( $from );
436 * @return int Page ID
438 public function getId() {
439 if ( !$this->mDataLoaded
) {
440 $this->loadPageData();
446 * @return bool Whether or not the page exists in the database
448 public function exists() {
449 if ( !$this->mDataLoaded
) {
450 $this->loadPageData();
452 return $this->mId
> 0;
456 * Check if this page is something we're going to be showing
457 * some sort of sensible content for. If we return false, page
458 * views (plain action=view) will return an HTTP 404 response,
459 * so spiders and robots can know they're following a bad link.
463 public function hasViewableContent() {
464 return $this->exists() ||
$this->mTitle
->isAlwaysKnown();
468 * Tests if the article content represents a redirect
472 public function isRedirect() {
473 if ( !$this->mDataLoaded
) {
474 $this->loadPageData();
477 return (bool)$this->mIsRedirect
;
481 * Returns the page's content model id (see the CONTENT_MODEL_XXX constants).
483 * Will use the revisions actual content model if the page exists,
484 * and the page's default if the page doesn't exist yet.
490 public function getContentModel() {
491 if ( $this->exists() ) {
492 // look at the revision's actual content model
493 $rev = $this->getRevision();
495 if ( $rev !== null ) {
496 return $rev->getContentModel();
498 $title = $this->mTitle
->getPrefixedDBkey();
499 wfWarn( "Page $title exists but has no (visible) revisions!" );
503 // use the default model for this page
504 return $this->mTitle
->getContentModel();
508 * Loads page_touched and returns a value indicating if it should be used
509 * @return bool True if not a redirect
511 public function checkTouched() {
512 if ( !$this->mDataLoaded
) {
513 $this->loadPageData();
515 return !$this->mIsRedirect
;
519 * Get the page_touched field
520 * @return string Containing GMT timestamp
522 public function getTouched() {
523 if ( !$this->mDataLoaded
) {
524 $this->loadPageData();
526 return $this->mTouched
;
530 * Get the page_links_updated field
531 * @return string|null Containing GMT timestamp
533 public function getLinksTimestamp() {
534 if ( !$this->mDataLoaded
) {
535 $this->loadPageData();
537 return $this->mLinksUpdated
;
541 * Get the page_latest field
542 * @return int The rev_id of current revision
544 public function getLatest() {
545 if ( !$this->mDataLoaded
) {
546 $this->loadPageData();
548 return (int)$this->mLatest
;
552 * Get the Revision object of the oldest revision
553 * @return Revision|null
555 public function getOldestRevision() {
557 // Try using the slave database first, then try the master
559 $db = wfGetDB( DB_SLAVE
);
560 $revSelectFields = Revision
::selectFields();
563 while ( $continue ) {
564 $row = $db->selectRow(
565 [ 'page', 'revision' ],
568 'page_namespace' => $this->mTitle
->getNamespace(),
569 'page_title' => $this->mTitle
->getDBkey(),
574 'ORDER BY' => 'rev_timestamp ASC'
581 $db = wfGetDB( DB_MASTER
);
586 return $row ? Revision
::newFromRow( $row ) : null;
590 * Loads everything except the text
591 * This isn't necessary for all uses, so it's only done if needed.
593 protected function loadLastEdit() {
594 if ( $this->mLastRevision
!== null ) {
595 return; // already loaded
598 $latest = $this->getLatest();
600 return; // page doesn't exist or is missing page_latest info
603 if ( $this->mDataLoadedFrom
== self
::READ_LOCKING
) {
604 // Bug 37225: if session S1 loads the page row FOR UPDATE, the result always
605 // includes the latest changes committed. This is true even within REPEATABLE-READ
606 // transactions, where S1 normally only sees changes committed before the first S1
607 // SELECT. Thus we need S1 to also gets the revision row FOR UPDATE; otherwise, it
608 // may not find it since a page row UPDATE and revision row INSERT by S2 may have
609 // happened after the first S1 SELECT.
610 // http://dev.mysql.com/doc/refman/5.0/en/set-transaction.html#isolevel_repeatable-read
611 $flags = Revision
::READ_LOCKING
;
612 } elseif ( $this->mDataLoadedFrom
== self
::READ_LATEST
) {
613 // Bug T93976: if page_latest was loaded from the master, fetch the
614 // revision from there as well, as it may not exist yet on a slave DB.
615 // Also, this keeps the queries in the same REPEATABLE-READ snapshot.
616 $flags = Revision
::READ_LATEST
;
620 $revision = Revision
::newFromPageId( $this->getId(), $latest, $flags );
621 if ( $revision ) { // sanity
622 $this->setLastEdit( $revision );
627 * Set the latest revision
628 * @param Revision $revision
630 protected function setLastEdit( Revision
$revision ) {
631 $this->mLastRevision
= $revision;
632 $this->mTimestamp
= $revision->getTimestamp();
636 * Get the latest revision
637 * @return Revision|null
639 public function getRevision() {
640 $this->loadLastEdit();
641 if ( $this->mLastRevision
) {
642 return $this->mLastRevision
;
648 * Get the content of the current revision. No side-effects...
650 * @param int $audience One of:
651 * Revision::FOR_PUBLIC to be displayed to all users
652 * Revision::FOR_THIS_USER to be displayed to $wgUser
653 * Revision::RAW get the text regardless of permissions
654 * @param User $user User object to check for, only if FOR_THIS_USER is passed
655 * to the $audience parameter
656 * @return Content|null The content of the current revision
660 public function getContent( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
661 $this->loadLastEdit();
662 if ( $this->mLastRevision
) {
663 return $this->mLastRevision
->getContent( $audience, $user );
669 * Get the text of the current revision. No side-effects...
671 * @param int $audience One of:
672 * Revision::FOR_PUBLIC to be displayed to all users
673 * Revision::FOR_THIS_USER to be displayed to the given user
674 * Revision::RAW get the text regardless of permissions
675 * @param User $user User object to check for, only if FOR_THIS_USER is passed
676 * to the $audience parameter
677 * @return string|bool The text of the current revision
678 * @deprecated since 1.21, getContent() should be used instead.
680 public function getText( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
681 ContentHandler
::deprecated( __METHOD__
, '1.21' );
683 $this->loadLastEdit();
684 if ( $this->mLastRevision
) {
685 return $this->mLastRevision
->getText( $audience, $user );
691 * @return string MW timestamp of last article revision
693 public function getTimestamp() {
694 // Check if the field has been filled by WikiPage::setTimestamp()
695 if ( !$this->mTimestamp
) {
696 $this->loadLastEdit();
699 return wfTimestamp( TS_MW
, $this->mTimestamp
);
703 * Set the page timestamp (use only to avoid DB queries)
704 * @param string $ts MW timestamp of last article revision
707 public function setTimestamp( $ts ) {
708 $this->mTimestamp
= wfTimestamp( TS_MW
, $ts );
712 * @param int $audience One of:
713 * Revision::FOR_PUBLIC to be displayed to all users
714 * Revision::FOR_THIS_USER to be displayed to the given user
715 * Revision::RAW get the text regardless of permissions
716 * @param User $user User object to check for, only if FOR_THIS_USER is passed
717 * to the $audience parameter
718 * @return int User ID for the user that made the last article revision
720 public function getUser( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
721 $this->loadLastEdit();
722 if ( $this->mLastRevision
) {
723 return $this->mLastRevision
->getUser( $audience, $user );
730 * Get the User object of the user who created the page
731 * @param int $audience One of:
732 * Revision::FOR_PUBLIC to be displayed to all users
733 * Revision::FOR_THIS_USER to be displayed to the given user
734 * Revision::RAW get the text regardless of permissions
735 * @param User $user User object to check for, only if FOR_THIS_USER is passed
736 * to the $audience parameter
739 public function getCreator( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
740 $revision = $this->getOldestRevision();
742 $userName = $revision->getUserText( $audience, $user );
743 return User
::newFromName( $userName, false );
750 * @param int $audience One of:
751 * Revision::FOR_PUBLIC to be displayed to all users
752 * Revision::FOR_THIS_USER to be displayed to the given user
753 * Revision::RAW get the text regardless of permissions
754 * @param User $user User object to check for, only if FOR_THIS_USER is passed
755 * to the $audience parameter
756 * @return string Username of the user that made the last article revision
758 public function getUserText( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
759 $this->loadLastEdit();
760 if ( $this->mLastRevision
) {
761 return $this->mLastRevision
->getUserText( $audience, $user );
768 * @param int $audience One of:
769 * Revision::FOR_PUBLIC to be displayed to all users
770 * Revision::FOR_THIS_USER to be displayed to the given user
771 * Revision::RAW get the text regardless of permissions
772 * @param User $user User object to check for, only if FOR_THIS_USER is passed
773 * to the $audience parameter
774 * @return string Comment stored for the last article revision
776 public function getComment( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
777 $this->loadLastEdit();
778 if ( $this->mLastRevision
) {
779 return $this->mLastRevision
->getComment( $audience, $user );
786 * Returns true if last revision was marked as "minor edit"
788 * @return bool Minor edit indicator for the last article revision.
790 public function getMinorEdit() {
791 $this->loadLastEdit();
792 if ( $this->mLastRevision
) {
793 return $this->mLastRevision
->isMinor();
800 * Determine whether a page would be suitable for being counted as an
801 * article in the site_stats table based on the title & its content
803 * @param object|bool $editInfo (false): object returned by prepareTextForEdit(),
804 * if false, the current database state will be used
807 public function isCountable( $editInfo = false ) {
808 global $wgArticleCountMethod;
810 if ( !$this->mTitle
->isContentPage() ) {
815 $content = $editInfo->pstContent
;
817 $content = $this->getContent();
820 if ( !$content ||
$content->isRedirect() ) {
826 if ( $wgArticleCountMethod === 'link' ) {
827 // nasty special case to avoid re-parsing to detect links
830 // ParserOutput::getLinks() is a 2D array of page links, so
831 // to be really correct we would need to recurse in the array
832 // but the main array should only have items in it if there are
834 $hasLinks = (bool)count( $editInfo->output
->getLinks() );
836 $hasLinks = (bool)wfGetDB( DB_SLAVE
)->selectField( 'pagelinks', 1,
837 [ 'pl_from' => $this->getId() ], __METHOD__
);
841 return $content->isCountable( $hasLinks );
845 * If this page is a redirect, get its target
847 * The target will be fetched from the redirect table if possible.
848 * If this page doesn't have an entry there, call insertRedirect()
849 * @return Title|null Title object, or null if this page is not a redirect
851 public function getRedirectTarget() {
852 if ( !$this->mTitle
->isRedirect() ) {
856 if ( $this->mRedirectTarget
!== null ) {
857 return $this->mRedirectTarget
;
860 // Query the redirect table
861 $dbr = wfGetDB( DB_SLAVE
);
862 $row = $dbr->selectRow( 'redirect',
863 [ 'rd_namespace', 'rd_title', 'rd_fragment', 'rd_interwiki' ],
864 [ 'rd_from' => $this->getId() ],
868 // rd_fragment and rd_interwiki were added later, populate them if empty
869 if ( $row && !is_null( $row->rd_fragment
) && !is_null( $row->rd_interwiki
) ) {
870 $this->mRedirectTarget
= Title
::makeTitle(
871 $row->rd_namespace
, $row->rd_title
,
872 $row->rd_fragment
, $row->rd_interwiki
874 return $this->mRedirectTarget
;
877 // This page doesn't have an entry in the redirect table
878 $this->mRedirectTarget
= $this->insertRedirect();
879 return $this->mRedirectTarget
;
883 * Insert an entry for this page into the redirect table if the content is a redirect
885 * The database update will be deferred via DeferredUpdates
887 * Don't call this function directly unless you know what you're doing.
888 * @return Title|null Title object or null if not a redirect
890 public function insertRedirect() {
891 $content = $this->getContent();
892 $retval = $content ?
$content->getUltimateRedirectTarget() : null;
897 // Update the DB post-send if the page has not cached since now
899 $latest = $this->getLatest();
900 DeferredUpdates
::addCallableUpdate( function() use ( $that, $retval, $latest ) {
901 $that->insertRedirectEntry( $retval, $latest );
908 * Insert or update the redirect table entry for this page to indicate it redirects to $rt
909 * @param Title $rt Redirect target
910 * @param int|null $oldLatest Prior page_latest for check and set
912 public function insertRedirectEntry( Title
$rt, $oldLatest = null ) {
913 $dbw = wfGetDB( DB_MASTER
);
914 $dbw->startAtomic( __METHOD__
);
916 if ( !$oldLatest ||
$oldLatest == $this->lockAndGetLatest() ) {
917 $dbw->replace( 'redirect',
920 'rd_from' => $this->getId(),
921 'rd_namespace' => $rt->getNamespace(),
922 'rd_title' => $rt->getDBkey(),
923 'rd_fragment' => $rt->getFragment(),
924 'rd_interwiki' => $rt->getInterwiki(),
930 $dbw->endAtomic( __METHOD__
);
934 * Get the Title object or URL this page redirects to
936 * @return bool|Title|string False, Title of in-wiki target, or string with URL
938 public function followRedirect() {
939 return $this->getRedirectURL( $this->getRedirectTarget() );
943 * Get the Title object or URL to use for a redirect. We use Title
944 * objects for same-wiki, non-special redirects and URLs for everything
946 * @param Title $rt Redirect target
947 * @return bool|Title|string False, Title object of local target, or string with URL
949 public function getRedirectURL( $rt ) {
954 if ( $rt->isExternal() ) {
955 if ( $rt->isLocal() ) {
956 // Offsite wikis need an HTTP redirect.
957 // This can be hard to reverse and may produce loops,
958 // so they may be disabled in the site configuration.
959 $source = $this->mTitle
->getFullURL( 'redirect=no' );
960 return $rt->getFullURL( [ 'rdfrom' => $source ] );
962 // External pages without "local" bit set are not valid
968 if ( $rt->isSpecialPage() ) {
969 // Gotta handle redirects to special pages differently:
970 // Fill the HTTP response "Location" header and ignore the rest of the page we're on.
971 // Some pages are not valid targets.
972 if ( $rt->isValidRedirectTarget() ) {
973 return $rt->getFullURL();
983 * Get a list of users who have edited this article, not including the user who made
984 * the most recent revision, which you can get from $article->getUser() if you want it
985 * @return UserArrayFromResult
987 public function getContributors() {
988 // @todo FIXME: This is expensive; cache this info somewhere.
990 $dbr = wfGetDB( DB_SLAVE
);
992 if ( $dbr->implicitGroupby() ) {
993 $realNameField = 'user_real_name';
995 $realNameField = 'MIN(user_real_name) AS user_real_name';
998 $tables = [ 'revision', 'user' ];
1001 'user_id' => 'rev_user',
1002 'user_name' => 'rev_user_text',
1004 'timestamp' => 'MAX(rev_timestamp)',
1007 $conds = [ 'rev_page' => $this->getId() ];
1009 // The user who made the top revision gets credited as "this page was last edited by
1010 // John, based on contributions by Tom, Dick and Harry", so don't include them twice.
1011 $user = $this->getUser();
1013 $conds[] = "rev_user != $user";
1015 $conds[] = "rev_user_text != {$dbr->addQuotes( $this->getUserText() )}";
1019 $conds[] = "{$dbr->bitAnd( 'rev_deleted', Revision::DELETED_USER )} = 0";
1022 'user' => [ 'LEFT JOIN', 'rev_user = user_id' ],
1026 'GROUP BY' => [ 'rev_user', 'rev_user_text' ],
1027 'ORDER BY' => 'timestamp DESC',
1030 $res = $dbr->select( $tables, $fields, $conds, __METHOD__
, $options, $jconds );
1031 return new UserArrayFromResult( $res );
1035 * Should the parser cache be used?
1037 * @param ParserOptions $parserOptions ParserOptions to check
1041 public function shouldCheckParserCache( ParserOptions
$parserOptions, $oldId ) {
1042 return $parserOptions->getStubThreshold() == 0
1044 && ( $oldId === null ||
$oldId === 0 ||
$oldId === $this->getLatest() )
1045 && $this->getContentHandler()->isParserCacheSupported();
1049 * Get a ParserOutput for the given ParserOptions and revision ID.
1051 * The parser cache will be used if possible. Cache misses that result
1052 * in parser runs are debounced with PoolCounter.
1055 * @param ParserOptions $parserOptions ParserOptions to use for the parse operation
1056 * @param null|int $oldid Revision ID to get the text from, passing null or 0 will
1057 * get the current revision (default value)
1059 * @return ParserOutput|bool ParserOutput or false if the revision was not found
1061 public function getParserOutput( ParserOptions
$parserOptions, $oldid = null ) {
1063 $useParserCache = $this->shouldCheckParserCache( $parserOptions, $oldid );
1064 wfDebug( __METHOD__
.
1065 ': using parser cache: ' . ( $useParserCache ?
'yes' : 'no' ) . "\n" );
1066 if ( $parserOptions->getStubThreshold() ) {
1067 wfIncrStats( 'pcache.miss.stub' );
1070 if ( $useParserCache ) {
1071 $parserOutput = ParserCache
::singleton()->get( $this, $parserOptions );
1072 if ( $parserOutput !== false ) {
1073 return $parserOutput;
1077 if ( $oldid === null ||
$oldid === 0 ) {
1078 $oldid = $this->getLatest();
1081 $pool = new PoolWorkArticleView( $this, $parserOptions, $oldid, $useParserCache );
1084 return $pool->getParserOutput();
1088 * Do standard deferred updates after page view (existing or missing page)
1089 * @param User $user The relevant user
1090 * @param int $oldid Revision id being viewed; if not given or 0, latest revision is assumed
1092 public function doViewUpdates( User
$user, $oldid = 0 ) {
1093 if ( wfReadOnly() ) {
1097 Hooks
::run( 'PageViewUpdates', [ $this, $user ] );
1098 // Update newtalk / watchlist notification status
1100 $user->clearNotification( $this->mTitle
, $oldid );
1101 } catch ( DBError
$e ) {
1102 // Avoid outage if the master is not reachable
1103 MWExceptionHandler
::logException( $e );
1108 * Perform the actions of a page purging
1111 public function doPurge() {
1112 if ( !Hooks
::run( 'ArticlePurge', [ &$this ] ) ) {
1116 $title = $this->mTitle
;
1117 wfGetDB( DB_MASTER
)->onTransactionIdle( function() use ( $title ) {
1118 // Invalidate the cache in auto-commit mode
1119 $title->invalidateCache();
1122 // Send purge after above page_touched update was committed
1123 DeferredUpdates
::addUpdate(
1124 new CdnCacheUpdate( $title->getCdnUrls() ),
1125 DeferredUpdates
::PRESEND
1128 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
1129 // @todo move this logic to MessageCache
1130 if ( $this->exists() ) {
1131 // NOTE: use transclusion text for messages.
1132 // This is consistent with MessageCache::getMsgFromNamespace()
1134 $content = $this->getContent();
1135 $text = $content === null ?
null : $content->getWikitextForTransclusion();
1137 if ( $text === null ) {
1144 MessageCache
::singleton()->replace( $this->mTitle
->getDBkey(), $text );
1151 * Insert a new empty page record for this article.
1152 * This *must* be followed up by creating a revision
1153 * and running $this->updateRevisionOn( ... );
1154 * or else the record will be left in a funky state.
1155 * Best if all done inside a transaction.
1157 * @param IDatabase $dbw
1158 * @param int|null $pageId Custom page ID that will be used for the insert statement
1160 * @return bool|int The newly created page_id key; false if the title already existed
1162 public function insertOn( $dbw, $pageId = null ) {
1163 $pageIdForInsert = $pageId ?
: $dbw->nextSequenceValue( 'page_page_id_seq' );
1167 'page_id' => $pageIdForInsert,
1168 'page_namespace' => $this->mTitle
->getNamespace(),
1169 'page_title' => $this->mTitle
->getDBkey(),
1170 'page_restrictions' => '',
1171 'page_is_redirect' => 0, // Will set this shortly...
1173 'page_random' => wfRandom(),
1174 'page_touched' => $dbw->timestamp(),
1175 'page_latest' => 0, // Fill this in shortly...
1176 'page_len' => 0, // Fill this in shortly...
1182 if ( $dbw->affectedRows() > 0 ) {
1183 $newid = $pageId ?
: $dbw->insertId();
1184 $this->mId
= $newid;
1185 $this->mTitle
->resetArticleID( $newid );
1189 return false; // nothing changed
1194 * Update the page record to point to a newly saved revision.
1196 * @param IDatabase $dbw
1197 * @param Revision $revision For ID number, and text used to set
1198 * length and redirect status fields
1199 * @param int $lastRevision If given, will not overwrite the page field
1200 * when different from the currently set value.
1201 * Giving 0 indicates the new page flag should be set on.
1202 * @param bool $lastRevIsRedirect If given, will optimize adding and
1203 * removing rows in redirect table.
1204 * @return bool Success; false if the page row was missing or page_latest changed
1206 public function updateRevisionOn( $dbw, $revision, $lastRevision = null,
1207 $lastRevIsRedirect = null
1209 global $wgContentHandlerUseDB;
1211 // Assertion to try to catch T92046
1212 if ( (int)$revision->getId() === 0 ) {
1213 throw new InvalidArgumentException(
1214 __METHOD__
. ': Revision has ID ' . var_export( $revision->getId(), 1 )
1218 $content = $revision->getContent();
1219 $len = $content ?
$content->getSize() : 0;
1220 $rt = $content ?
$content->getUltimateRedirectTarget() : null;
1222 $conditions = [ 'page_id' => $this->getId() ];
1224 if ( !is_null( $lastRevision ) ) {
1225 // An extra check against threads stepping on each other
1226 $conditions['page_latest'] = $lastRevision;
1230 'page_latest' => $revision->getId(),
1231 'page_touched' => $dbw->timestamp( $revision->getTimestamp() ),
1232 'page_is_new' => ( $lastRevision === 0 ) ?
1 : 0,
1233 'page_is_redirect' => $rt !== null ?
1 : 0,
1237 if ( $wgContentHandlerUseDB ) {
1238 $row['page_content_model'] = $revision->getContentModel();
1241 $dbw->update( 'page',
1246 $result = $dbw->affectedRows() > 0;
1248 $this->updateRedirectOn( $dbw, $rt, $lastRevIsRedirect );
1249 $this->setLastEdit( $revision );
1250 $this->mLatest
= $revision->getId();
1251 $this->mIsRedirect
= (bool)$rt;
1252 // Update the LinkCache.
1253 LinkCache
::singleton()->addGoodLinkObj(
1259 $revision->getContentModel()
1267 * Add row to the redirect table if this is a redirect, remove otherwise.
1269 * @param IDatabase $dbw
1270 * @param Title $redirectTitle Title object pointing to the redirect target,
1271 * or NULL if this is not a redirect
1272 * @param null|bool $lastRevIsRedirect If given, will optimize adding and
1273 * removing rows in redirect table.
1274 * @return bool True on success, false on failure
1277 public function updateRedirectOn( $dbw, $redirectTitle, $lastRevIsRedirect = null ) {
1278 // Always update redirects (target link might have changed)
1279 // Update/Insert if we don't know if the last revision was a redirect or not
1280 // Delete if changing from redirect to non-redirect
1281 $isRedirect = !is_null( $redirectTitle );
1283 if ( !$isRedirect && $lastRevIsRedirect === false ) {
1287 if ( $isRedirect ) {
1288 $this->insertRedirectEntry( $redirectTitle );
1290 // This is not a redirect, remove row from redirect table
1291 $where = [ 'rd_from' => $this->getId() ];
1292 $dbw->delete( 'redirect', $where, __METHOD__
);
1295 if ( $this->getTitle()->getNamespace() == NS_FILE
) {
1296 RepoGroup
::singleton()->getLocalRepo()->invalidateImageRedirect( $this->getTitle() );
1299 return ( $dbw->affectedRows() != 0 );
1303 * If the given revision is newer than the currently set page_latest,
1304 * update the page record. Otherwise, do nothing.
1306 * @deprecated since 1.24, use updateRevisionOn instead
1308 * @param IDatabase $dbw
1309 * @param Revision $revision
1312 public function updateIfNewerOn( $dbw, $revision ) {
1314 $row = $dbw->selectRow(
1315 [ 'revision', 'page' ],
1316 [ 'rev_id', 'rev_timestamp', 'page_is_redirect' ],
1318 'page_id' => $this->getId(),
1319 'page_latest=rev_id' ],
1323 if ( wfTimestamp( TS_MW
, $row->rev_timestamp
) >= $revision->getTimestamp() ) {
1326 $prev = $row->rev_id
;
1327 $lastRevIsRedirect = (bool)$row->page_is_redirect
;
1329 // No or missing previous revision; mark the page as new
1331 $lastRevIsRedirect = null;
1334 $ret = $this->updateRevisionOn( $dbw, $revision, $prev, $lastRevIsRedirect );
1340 * Get the content that needs to be saved in order to undo all revisions
1341 * between $undo and $undoafter. Revisions must belong to the same page,
1342 * must exist and must not be deleted
1343 * @param Revision $undo
1344 * @param Revision $undoafter Must be an earlier revision than $undo
1345 * @return Content|bool Content on success, false on failure
1347 * Before we had the Content object, this was done in getUndoText
1349 public function getUndoContent( Revision
$undo, Revision
$undoafter = null ) {
1350 $handler = $undo->getContentHandler();
1351 return $handler->getUndoContent( $this->getRevision(), $undo, $undoafter );
1355 * Returns true if this page's content model supports sections.
1359 * @todo The skin should check this and not offer section functionality if
1360 * sections are not supported.
1361 * @todo The EditPage should check this and not offer section functionality
1362 * if sections are not supported.
1364 public function supportsSections() {
1365 return $this->getContentHandler()->supportsSections();
1369 * @param string|number|null|bool $sectionId Section identifier as a number or string
1370 * (e.g. 0, 1 or 'T-1'), null/false or an empty string for the whole page
1371 * or 'new' for a new section.
1372 * @param Content $sectionContent New content of the section.
1373 * @param string $sectionTitle New section's subject, only if $section is "new".
1374 * @param string $edittime Revision timestamp or null to use the current revision.
1376 * @throws MWException
1377 * @return Content|null New complete article content, or null if error.
1380 * @deprecated since 1.24, use replaceSectionAtRev instead
1382 public function replaceSectionContent(
1383 $sectionId, Content
$sectionContent, $sectionTitle = '', $edittime = null
1387 if ( $edittime && $sectionId !== 'new' ) {
1388 $dbr = wfGetDB( DB_SLAVE
);
1389 $rev = Revision
::loadFromTimestamp( $dbr, $this->mTitle
, $edittime );
1390 // Try the master if this thread may have just added it.
1391 // This could be abstracted into a Revision method, but we don't want
1392 // to encourage loading of revisions by timestamp.
1394 && wfGetLB()->getServerCount() > 1
1395 && wfGetLB()->hasOrMadeRecentMasterChanges()
1397 $dbw = wfGetDB( DB_MASTER
);
1398 $rev = Revision
::loadFromTimestamp( $dbw, $this->mTitle
, $edittime );
1401 $baseRevId = $rev->getId();
1405 return $this->replaceSectionAtRev( $sectionId, $sectionContent, $sectionTitle, $baseRevId );
1409 * @param string|number|null|bool $sectionId Section identifier as a number or string
1410 * (e.g. 0, 1 or 'T-1'), null/false or an empty string for the whole page
1411 * or 'new' for a new section.
1412 * @param Content $sectionContent New content of the section.
1413 * @param string $sectionTitle New section's subject, only if $section is "new".
1414 * @param int|null $baseRevId
1416 * @throws MWException
1417 * @return Content|null New complete article content, or null if error.
1421 public function replaceSectionAtRev( $sectionId, Content
$sectionContent,
1422 $sectionTitle = '', $baseRevId = null
1425 if ( strval( $sectionId ) === '' ) {
1426 // Whole-page edit; let the whole text through
1427 $newContent = $sectionContent;
1429 if ( !$this->supportsSections() ) {
1430 throw new MWException( "sections not supported for content model " .
1431 $this->getContentHandler()->getModelID() );
1434 // Bug 30711: always use current version when adding a new section
1435 if ( is_null( $baseRevId ) ||
$sectionId === 'new' ) {
1436 $oldContent = $this->getContent();
1438 $rev = Revision
::newFromId( $baseRevId );
1440 wfDebug( __METHOD__
. " asked for bogus section (page: " .
1441 $this->getId() . "; section: $sectionId)\n" );
1445 $oldContent = $rev->getContent();
1448 if ( !$oldContent ) {
1449 wfDebug( __METHOD__
. ": no page text\n" );
1453 $newContent = $oldContent->replaceSection( $sectionId, $sectionContent, $sectionTitle );
1460 * Check flags and add EDIT_NEW or EDIT_UPDATE to them as needed.
1462 * @return int Updated $flags
1464 public function checkFlags( $flags ) {
1465 if ( !( $flags & EDIT_NEW
) && !( $flags & EDIT_UPDATE
) ) {
1466 if ( $this->exists() ) {
1467 $flags |
= EDIT_UPDATE
;
1477 * Change an existing article or create a new article. Updates RC and all necessary caches,
1478 * optionally via the deferred update array.
1480 * @param string $text New text
1481 * @param string $summary Edit summary
1482 * @param int $flags Bitfield:
1484 * Article is known or assumed to be non-existent, create a new one
1486 * Article is known or assumed to be pre-existing, update it
1488 * Mark this edit minor, if the user is allowed to do so
1490 * Do not log the change in recentchanges
1492 * Mark the edit a "bot" edit regardless of user rights
1494 * Fill in blank summaries with generated text where possible
1496 * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the
1497 * article will be detected. If EDIT_UPDATE is specified and the article
1498 * doesn't exist, the function will return an edit-gone-missing error. If
1499 * EDIT_NEW is specified and the article does exist, an edit-already-exists
1500 * error will be returned. These two conditions are also possible with
1501 * auto-detection due to MediaWiki's performance-optimised locking strategy.
1503 * @param bool|int $baseRevId The revision ID this edit was based off, if any.
1504 * This is not the parent revision ID, rather the revision ID for older
1505 * content used as the source for a rollback, for example.
1506 * @param User $user The user doing the edit
1508 * @throws MWException
1509 * @return Status Possible errors:
1510 * edit-hook-aborted: The ArticleSave hook aborted the edit but didn't
1511 * set the fatal flag of $status
1512 * edit-gone-missing: In update mode, but the article didn't exist.
1513 * edit-conflict: In update mode, the article changed unexpectedly.
1514 * edit-no-change: Warning that the text was the same as before.
1515 * edit-already-exists: In creation mode, but the article already exists.
1517 * Extensions may define additional errors.
1519 * $return->value will contain an associative array with members as follows:
1520 * new: Boolean indicating if the function attempted to create a new article.
1521 * revision: The revision object for the inserted revision, or null.
1523 * Compatibility note: this function previously returned a boolean value
1524 * indicating success/failure
1526 * @deprecated since 1.21: use doEditContent() instead.
1528 public function doEdit( $text, $summary, $flags = 0, $baseRevId = false, $user = null ) {
1529 ContentHandler
::deprecated( __METHOD__
, '1.21' );
1531 $content = ContentHandler
::makeContent( $text, $this->getTitle() );
1533 return $this->doEditContent( $content, $summary, $flags, $baseRevId, $user );
1537 * Change an existing article or create a new article. Updates RC and all necessary caches,
1538 * optionally via the deferred update array.
1540 * @param Content $content New content
1541 * @param string $summary Edit summary
1542 * @param int $flags Bitfield:
1544 * Article is known or assumed to be non-existent, create a new one
1546 * Article is known or assumed to be pre-existing, update it
1548 * Mark this edit minor, if the user is allowed to do so
1550 * Do not log the change in recentchanges
1552 * Mark the edit a "bot" edit regardless of user rights
1554 * Fill in blank summaries with generated text where possible
1556 * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the
1557 * article will be detected. If EDIT_UPDATE is specified and the article
1558 * doesn't exist, the function will return an edit-gone-missing error. If
1559 * EDIT_NEW is specified and the article does exist, an edit-already-exists
1560 * error will be returned. These two conditions are also possible with
1561 * auto-detection due to MediaWiki's performance-optimised locking strategy.
1563 * @param bool|int $baseRevId The revision ID this edit was based off, if any.
1564 * This is not the parent revision ID, rather the revision ID for older
1565 * content used as the source for a rollback, for example.
1566 * @param User $user The user doing the edit
1567 * @param string $serialFormat Format for storing the content in the
1569 * @param array|null $tags Change tags to apply to this edit
1570 * Callers are responsible for permission checks
1571 * (with ChangeTags::canAddTagsAccompanyingChange)
1573 * @throws MWException
1574 * @return Status Possible errors:
1575 * edit-hook-aborted: The ArticleSave hook aborted the edit but didn't
1576 * set the fatal flag of $status.
1577 * edit-gone-missing: In update mode, but the article didn't exist.
1578 * edit-conflict: In update mode, the article changed unexpectedly.
1579 * edit-no-change: Warning that the text was the same as before.
1580 * edit-already-exists: In creation mode, but the article already exists.
1582 * Extensions may define additional errors.
1584 * $return->value will contain an associative array with members as follows:
1585 * new: Boolean indicating if the function attempted to create a new article.
1586 * revision: The revision object for the inserted revision, or null.
1589 * @throws MWException
1591 public function doEditContent(
1592 Content
$content, $summary, $flags = 0, $baseRevId = false,
1593 User
$user = null, $serialFormat = null, $tags = null
1595 global $wgUser, $wgUseAutomaticEditSummaries;
1597 // Low-level sanity check
1598 if ( $this->mTitle
->getText() === '' ) {
1599 throw new MWException( 'Something is trying to edit an article with an empty title' );
1601 // Make sure the given content type is allowed for this page
1602 if ( !$content->getContentHandler()->canBeUsedOn( $this->mTitle
) ) {
1603 return Status
::newFatal( 'content-not-allowed-here',
1604 ContentHandler
::getLocalizedName( $content->getModel() ),
1605 $this->mTitle
->getPrefixedText()
1609 // Load the data from the master database if needed.
1610 // The caller may already loaded it from the master or even loaded it using
1611 // SELECT FOR UPDATE, so do not override that using clear().
1612 $this->loadPageData( 'fromdbmaster' );
1614 $user = $user ?
: $wgUser;
1615 $flags = $this->checkFlags( $flags );
1617 // Trigger pre-save hook (using provided edit summary)
1618 $hookStatus = Status
::newGood( [] );
1619 $hook_args = [ &$this, &$user, &$content, &$summary,
1620 $flags & EDIT_MINOR
, null, null, &$flags, &$hookStatus ];
1621 // Check if the hook rejected the attempted save
1622 if ( !Hooks
::run( 'PageContentSave', $hook_args )
1623 ||
!ContentHandler
::runLegacyHooks( 'ArticleSave', $hook_args )
1625 if ( $hookStatus->isOK() ) {
1626 // Hook returned false but didn't call fatal(); use generic message
1627 $hookStatus->fatal( 'edit-hook-aborted' );
1633 $old_revision = $this->getRevision(); // current revision
1634 $old_content = $this->getContent( Revision
::RAW
); // current revision's content
1636 // Provide autosummaries if one is not provided and autosummaries are enabled
1637 if ( $wgUseAutomaticEditSummaries && ( $flags & EDIT_AUTOSUMMARY
) && $summary == '' ) {
1638 $handler = $content->getContentHandler();
1639 $summary = $handler->getAutosummary( $old_content, $content, $flags );
1642 // Get the pre-save transform content and final parser output
1643 $editInfo = $this->prepareContentForEdit( $content, null, $user, $serialFormat );
1644 $pstContent = $editInfo->pstContent
; // Content object
1646 'bot' => ( $flags & EDIT_FORCE_BOT
),
1647 'minor' => ( $flags & EDIT_MINOR
) && $user->isAllowed( 'minoredit' ),
1648 'serialized' => $editInfo->pst
,
1649 'serialFormat' => $serialFormat,
1650 'baseRevId' => $baseRevId,
1651 'oldRevision' => $old_revision,
1652 'oldContent' => $old_content,
1653 'oldId' => $this->getLatest(),
1654 'oldIsRedirect' => $this->isRedirect(),
1655 'oldCountable' => $this->isCountable(),
1656 'tags' => ( $tags !== null ) ?
(array)$tags : []
1659 // Actually create the revision and create/update the page
1660 if ( $flags & EDIT_UPDATE
) {
1661 $status = $this->doModify( $pstContent, $flags, $user, $summary, $meta );
1663 $status = $this->doCreate( $pstContent, $flags, $user, $summary, $meta );
1666 // Promote user to any groups they meet the criteria for
1667 DeferredUpdates
::addCallableUpdate( function () use ( $user ) {
1668 $user->addAutopromoteOnceGroups( 'onEdit' );
1669 $user->addAutopromoteOnceGroups( 'onView' ); // b/c
1676 * @param Content $content Pre-save transform content
1677 * @param integer $flags
1679 * @param string $summary
1680 * @param array $meta
1682 * @throws DBUnexpectedError
1684 * @throws FatalError
1685 * @throws MWException
1687 private function doModify(
1688 Content
$content, $flags, User
$user, $summary, array $meta
1690 global $wgUseRCPatrol;
1692 // Update article, but only if changed.
1693 $status = Status
::newGood( [ 'new' => false, 'revision' => null ] );
1695 // Convenience variables
1696 $now = wfTimestampNow();
1697 $oldid = $meta['oldId'];
1698 /** @var $oldContent Content|null */
1699 $oldContent = $meta['oldContent'];
1700 $newsize = $content->getSize();
1703 // Article gone missing
1704 $status->fatal( 'edit-gone-missing' );
1707 } elseif ( !$oldContent ) {
1708 // Sanity check for bug 37225
1709 throw new MWException( "Could not find text for current revision {$oldid}." );
1712 // @TODO: pass content object?!
1713 $revision = new Revision( [
1714 'page' => $this->getId(),
1715 'title' => $this->mTitle
, // for determining the default content model
1716 'comment' => $summary,
1717 'minor_edit' => $meta['minor'],
1718 'text' => $meta['serialized'],
1720 'parent_id' => $oldid,
1721 'user' => $user->getId(),
1722 'user_text' => $user->getName(),
1723 'timestamp' => $now,
1724 'content_model' => $content->getModel(),
1725 'content_format' => $meta['serialFormat'],
1728 $changed = !$content->equals( $oldContent );
1730 $dbw = wfGetDB( DB_MASTER
);
1733 $prepStatus = $content->prepareSave( $this, $flags, $oldid, $user );
1734 $status->merge( $prepStatus );
1735 if ( !$status->isOK() ) {
1739 $dbw->startAtomic( __METHOD__
);
1740 // Get the latest page_latest value while locking it.
1741 // Do a CAS style check to see if it's the same as when this method
1742 // started. If it changed then bail out before touching the DB.
1743 $latestNow = $this->lockAndGetLatest();
1744 if ( $latestNow != $oldid ) {
1745 $dbw->endAtomic( __METHOD__
);
1746 // Page updated or deleted in the mean time
1747 $status->fatal( 'edit-conflict' );
1752 // At this point we are now comitted to returning an OK
1753 // status unless some DB query error or other exception comes up.
1754 // This way callers don't have to call rollback() if $status is bad
1755 // unless they actually try to catch exceptions (which is rare).
1757 // Save the revision text
1758 $revisionId = $revision->insertOn( $dbw );
1759 // Update page_latest and friends to reflect the new revision
1760 if ( !$this->updateRevisionOn( $dbw, $revision, null, $meta['oldIsRedirect'] ) ) {
1761 $dbw->rollback( __METHOD__
); // sanity; this should never happen
1762 throw new MWException( "Failed to update page row to use new revision." );
1765 Hooks
::run( 'NewRevisionFromEditComplete',
1766 [ $this, $revision, $meta['baseRevId'], $user ] );
1768 // Update recentchanges
1769 if ( !( $flags & EDIT_SUPPRESS_RC
) ) {
1770 // Mark as patrolled if the user can do so
1771 $patrolled = $wgUseRCPatrol && !count(
1772 $this->mTitle
->getUserPermissionsErrors( 'autopatrol', $user ) );
1773 // Add RC row to the DB
1774 RecentChange
::notifyEdit(
1777 $revision->isMinor(),
1781 $this->getTimestamp(),
1784 $oldContent ?
$oldContent->getSize() : 0,
1792 $user->incEditCount();
1794 $dbw->endAtomic( __METHOD__
);
1795 $this->mTimestamp
= $now;
1797 // Bug 32948: revision ID must be set to page {{REVISIONID}} and
1798 // related variables correctly
1799 $revision->setId( $this->getLatest() );
1803 // Return the new revision to the caller
1804 $status->value
['revision'] = $revision;
1806 $status->warning( 'edit-no-change' );
1807 // Update page_touched as updateRevisionOn() was not called.
1808 // Other cache updates are managed in onArticleEdit() via doEditUpdates().
1809 $this->mTitle
->invalidateCache( $now );
1812 // Do secondary updates once the main changes have been committed...
1814 $dbw->onTransactionIdle(
1816 $dbw, &$that, $revision, &$user, $content, $summary, &$flags,
1817 $changed, $meta, &$status
1819 // Do per-page updates in a transaction
1820 $dbw->setFlag( DBO_TRX
);
1821 // Update links tables, site stats, etc.
1822 $that->doEditUpdates(
1826 'changed' => $changed,
1827 'oldcountable' => $meta['oldCountable'],
1828 'oldrevision' => $meta['oldRevision']
1831 // Trigger post-save hook
1832 $params = [ &$that, &$user, $content, $summary, $flags & EDIT_MINOR
,
1833 null, null, &$flags, $revision, &$status, $meta['baseRevId'] ];
1834 ContentHandler
::runLegacyHooks( 'ArticleSaveComplete', $params );
1835 Hooks
::run( 'PageContentSaveComplete', $params );
1843 * @param Content $content Pre-save transform content
1844 * @param integer $flags
1846 * @param string $summary
1847 * @param array $meta
1849 * @throws DBUnexpectedError
1851 * @throws FatalError
1852 * @throws MWException
1854 private function doCreate(
1855 Content
$content, $flags, User
$user, $summary, array $meta
1857 global $wgUseRCPatrol, $wgUseNPPatrol;
1859 $status = Status
::newGood( [ 'new' => true, 'revision' => null ] );
1861 $now = wfTimestampNow();
1862 $newsize = $content->getSize();
1863 $prepStatus = $content->prepareSave( $this, $flags, $meta['oldId'], $user );
1864 $status->merge( $prepStatus );
1865 if ( !$status->isOK() ) {
1869 $dbw = wfGetDB( DB_MASTER
);
1870 $dbw->startAtomic( __METHOD__
);
1872 // Add the page record unless one already exists for the title
1873 $newid = $this->insertOn( $dbw );
1874 if ( $newid === false ) {
1875 $dbw->endAtomic( __METHOD__
); // nothing inserted
1876 $status->fatal( 'edit-already-exists' );
1878 return $status; // nothing done
1881 // At this point we are now comitted to returning an OK
1882 // status unless some DB query error or other exception comes up.
1883 // This way callers don't have to call rollback() if $status is bad
1884 // unless they actually try to catch exceptions (which is rare).
1886 // @TODO: pass content object?!
1887 $revision = new Revision( [
1889 'title' => $this->mTitle
, // for determining the default content model
1890 'comment' => $summary,
1891 'minor_edit' => $meta['minor'],
1892 'text' => $meta['serialized'],
1894 'user' => $user->getId(),
1895 'user_text' => $user->getName(),
1896 'timestamp' => $now,
1897 'content_model' => $content->getModel(),
1898 'content_format' => $meta['serialFormat'],
1901 // Save the revision text...
1902 $revisionId = $revision->insertOn( $dbw );
1903 // Update the page record with revision data
1904 if ( !$this->updateRevisionOn( $dbw, $revision, 0 ) ) {
1905 $dbw->rollback( __METHOD__
); // sanity; this should never happen
1906 throw new MWException( "Failed to update page row to use new revision." );
1909 Hooks
::run( 'NewRevisionFromEditComplete', [ $this, $revision, false, $user ] );
1911 // Update recentchanges
1912 if ( !( $flags & EDIT_SUPPRESS_RC
) ) {
1913 // Mark as patrolled if the user can do so
1914 $patrolled = ( $wgUseRCPatrol ||
$wgUseNPPatrol ) &&
1915 !count( $this->mTitle
->getUserPermissionsErrors( 'autopatrol', $user ) );
1916 // Add RC row to the DB
1917 RecentChange
::notifyNew(
1920 $revision->isMinor(),
1932 $user->incEditCount();
1934 $dbw->endAtomic( __METHOD__
);
1935 $this->mTimestamp
= $now;
1937 // Return the new revision to the caller
1938 $status->value
['revision'] = $revision;
1940 // Do secondary updates once the main changes have been committed...
1942 $dbw->onTransactionIdle(
1944 &$that, $dbw, $revision, &$user, $content, $summary, &$flags, $meta, &$status
1946 // Do per-page updates in a transaction
1947 $dbw->setFlag( DBO_TRX
);
1948 // Update links, etc.
1949 $that->doEditUpdates( $revision, $user, [ 'created' => true ] );
1950 // Trigger post-create hook
1951 $params = [ &$that, &$user, $content, $summary,
1952 $flags & EDIT_MINOR
, null, null, &$flags, $revision ];
1953 ContentHandler
::runLegacyHooks( 'ArticleInsertComplete', $params );
1954 Hooks
::run( 'PageContentInsertComplete', $params );
1955 // Trigger post-save hook
1956 $params = array_merge( $params, [ &$status, $meta['baseRevId'] ] );
1957 ContentHandler
::runLegacyHooks( 'ArticleSaveComplete', $params );
1958 Hooks
::run( 'PageContentSaveComplete', $params );
1967 * Get parser options suitable for rendering the primary article wikitext
1969 * @see ContentHandler::makeParserOptions
1971 * @param IContextSource|User|string $context One of the following:
1972 * - IContextSource: Use the User and the Language of the provided
1974 * - User: Use the provided User object and $wgLang for the language,
1975 * so use an IContextSource object if possible.
1976 * - 'canonical': Canonical options (anonymous user with default
1977 * preferences and content language).
1978 * @return ParserOptions
1980 public function makeParserOptions( $context ) {
1981 $options = $this->getContentHandler()->makeParserOptions( $context );
1983 if ( $this->getTitle()->isConversionTable() ) {
1984 // @todo ConversionTable should become a separate content model, so
1985 // we don't need special cases like this one.
1986 $options->disableContentConversion();
1993 * Prepare text which is about to be saved.
1994 * Returns a stdClass with source, pst and output members
1996 * @param string $text
1997 * @param int|null $revid
1998 * @param User|null $user
1999 * @deprecated since 1.21: use prepareContentForEdit instead.
2002 public function prepareTextForEdit( $text, $revid = null, User
$user = null ) {
2003 ContentHandler
::deprecated( __METHOD__
, '1.21' );
2004 $content = ContentHandler
::makeContent( $text, $this->getTitle() );
2005 return $this->prepareContentForEdit( $content, $revid, $user );
2009 * Prepare content which is about to be saved.
2010 * Returns a stdClass with source, pst and output members
2012 * @param Content $content
2013 * @param Revision|int|null $revision Revision object. For backwards compatibility, a
2014 * revision ID is also accepted, but this is deprecated.
2015 * @param User|null $user
2016 * @param string|null $serialFormat
2017 * @param bool $useCache Check shared prepared edit cache
2023 public function prepareContentForEdit(
2024 Content
$content, $revision = null, User
$user = null,
2025 $serialFormat = null, $useCache = true
2027 global $wgContLang, $wgUser, $wgAjaxEditStash;
2029 if ( is_object( $revision ) ) {
2030 $revid = $revision->getId();
2033 // This code path is deprecated, and nothing is known to
2034 // use it, so performance here shouldn't be a worry.
2035 if ( $revid !== null ) {
2036 $revision = Revision
::newFromId( $revid, Revision
::READ_LATEST
);
2042 $user = is_null( $user ) ?
$wgUser : $user;
2043 // XXX: check $user->getId() here???
2045 // Use a sane default for $serialFormat, see bug 57026
2046 if ( $serialFormat === null ) {
2047 $serialFormat = $content->getContentHandler()->getDefaultFormat();
2050 if ( $this->mPreparedEdit
2051 && $this->mPreparedEdit
->newContent
2052 && $this->mPreparedEdit
->newContent
->equals( $content )
2053 && $this->mPreparedEdit
->revid
== $revid
2054 && $this->mPreparedEdit
->format
== $serialFormat
2055 // XXX: also check $user here?
2058 return $this->mPreparedEdit
;
2061 // The edit may have already been prepared via api.php?action=stashedit
2062 $cachedEdit = $useCache && $wgAjaxEditStash
2063 ? ApiStashEdit
::checkCache( $this->getTitle(), $content, $user )
2066 $popts = ParserOptions
::newFromUserAndLang( $user, $wgContLang );
2067 Hooks
::run( 'ArticlePrepareTextForEdit', [ $this, $popts ] );
2070 if ( $cachedEdit ) {
2071 $edit->timestamp
= $cachedEdit->timestamp
;
2073 $edit->timestamp
= wfTimestampNow();
2075 // @note: $cachedEdit is not used if the rev ID was referenced in the text
2076 $edit->revid
= $revid;
2078 if ( $cachedEdit ) {
2079 $edit->pstContent
= $cachedEdit->pstContent
;
2081 $edit->pstContent
= $content
2082 ?
$content->preSaveTransform( $this->mTitle
, $user, $popts )
2086 $edit->format
= $serialFormat;
2087 $edit->popts
= $this->makeParserOptions( 'canonical' );
2088 if ( $cachedEdit ) {
2089 $edit->output
= $cachedEdit->output
;
2092 // We get here if vary-revision is set. This means that this page references
2093 // itself (such as via self-transclusion). In this case, we need to make sure
2094 // that any such self-references refer to the newly-saved revision, and not
2095 // to the previous one, which could otherwise happen due to slave lag.
2096 $oldCallback = $edit->popts
->getCurrentRevisionCallback();
2097 $edit->popts
->setCurrentRevisionCallback(
2098 function ( Title
$title, $parser = false ) use ( $revision, &$oldCallback ) {
2099 if ( $title->equals( $revision->getTitle() ) ) {
2102 return call_user_func( $oldCallback, $title, $parser );
2107 $edit->output
= $edit->pstContent
2108 ?
$edit->pstContent
->getParserOutput( $this->mTitle
, $revid, $edit->popts
)
2112 $edit->newContent
= $content;
2113 $edit->oldContent
= $this->getContent( Revision
::RAW
);
2115 // NOTE: B/C for hooks! don't use these fields!
2116 $edit->newText
= $edit->newContent
2117 ? ContentHandler
::getContentText( $edit->newContent
)
2119 $edit->oldText
= $edit->oldContent
2120 ? ContentHandler
::getContentText( $edit->oldContent
)
2122 $edit->pst
= $edit->pstContent ?
$edit->pstContent
->serialize( $serialFormat ) : '';
2124 $this->mPreparedEdit
= $edit;
2129 * Do standard deferred updates after page edit.
2130 * Update links tables, site stats, search index and message cache.
2131 * Purges pages that include this page if the text was changed here.
2132 * Every 100th edit, prune the recent changes table.
2134 * @param Revision $revision
2135 * @param User $user User object that did the revision
2136 * @param array $options Array of options, following indexes are used:
2137 * - changed: boolean, whether the revision changed the content (default true)
2138 * - created: boolean, whether the revision created the page (default false)
2139 * - moved: boolean, whether the page was moved (default false)
2140 * - restored: boolean, whether the page was undeleted (default false)
2141 * - oldrevision: Revision object for the pre-update revision (default null)
2142 * - oldcountable: boolean, null, or string 'no-change' (default null):
2143 * - boolean: whether the page was counted as an article before that
2144 * revision, only used in changed is true and created is false
2145 * - null: if created is false, don't update the article count; if created
2146 * is true, do update the article count
2147 * - 'no-change': don't update the article count, ever
2149 public function doEditUpdates( Revision
$revision, User
$user, array $options = [] ) {
2150 global $wgRCWatchCategoryMembership, $wgContLang;
2156 'restored' => false,
2157 'oldrevision' => null,
2158 'oldcountable' => null
2160 $content = $revision->getContent();
2163 // Be careful not to do pre-save transform twice: $text is usually
2164 // already pre-save transformed once.
2165 if ( !$this->mPreparedEdit ||
$this->mPreparedEdit
->output
->getFlag( 'vary-revision' ) ) {
2166 wfDebug( __METHOD__
. ": No prepared edit or vary-revision is set...\n" );
2167 $editInfo = $this->prepareContentForEdit( $content, $revision, $user );
2169 wfDebug( __METHOD__
. ": No vary-revision, using prepared edit...\n" );
2170 $editInfo = $this->mPreparedEdit
;
2173 // Save it to the parser cache.
2174 // Make sure the cache time matches page_touched to avoid double parsing.
2175 ParserCache
::singleton()->save(
2176 $editInfo->output
, $this, $editInfo->popts
,
2177 $revision->getTimestamp(), $editInfo->revid
2180 // Update the links tables and other secondary data
2182 $recursive = $options['changed']; // bug 50785
2183 $updates = $content->getSecondaryDataUpdates(
2184 $this->getTitle(), null, $recursive, $editInfo->output
2186 foreach ( $updates as $update ) {
2187 if ( $update instanceof LinksUpdate
) {
2188 $update->setRevision( $revision );
2189 $update->setTriggeringUser( $user );
2191 DeferredUpdates
::addUpdate( $update );
2193 if ( $wgRCWatchCategoryMembership
2194 && $this->getContentHandler()->supportsCategories() === true
2195 && ( $options['changed'] ||
$options['created'] )
2196 && !$options['restored']
2198 // Note: jobs are pushed after deferred updates, so the job should be able to see
2199 // the recent change entry (also done via deferred updates) and carry over any
2200 // bot/deletion/IP flags, ect.
2201 JobQueueGroup
::singleton()->lazyPush( new CategoryMembershipChangeJob(
2204 'pageId' => $this->getId(),
2205 'revTimestamp' => $revision->getTimestamp()
2211 Hooks
::run( 'ArticleEditUpdates', [ &$this, &$editInfo, $options['changed'] ] );
2213 if ( Hooks
::run( 'ArticleEditUpdatesDeleteFromRecentchanges', [ &$this ] ) ) {
2214 // Flush old entries from the `recentchanges` table
2215 if ( mt_rand( 0, 9 ) == 0 ) {
2216 JobQueueGroup
::singleton()->lazyPush( RecentChangesUpdateJob
::newPurgeJob() );
2220 if ( !$this->exists() ) {
2224 $id = $this->getId();
2225 $title = $this->mTitle
->getPrefixedDBkey();
2226 $shortTitle = $this->mTitle
->getDBkey();
2228 if ( $options['oldcountable'] === 'no-change' ||
2229 ( !$options['changed'] && !$options['moved'] )
2232 } elseif ( $options['created'] ) {
2233 $good = (int)$this->isCountable( $editInfo );
2234 } elseif ( $options['oldcountable'] !== null ) {
2235 $good = (int)$this->isCountable( $editInfo ) - (int)$options['oldcountable'];
2239 $edits = $options['changed'] ?
1 : 0;
2240 $total = $options['created'] ?
1 : 0;
2242 DeferredUpdates
::addUpdate( new SiteStatsUpdate( 0, $edits, $good, $total ) );
2243 DeferredUpdates
::addUpdate( new SearchUpdate( $id, $title, $content ) );
2245 // If this is another user's talk page, update newtalk.
2246 // Don't do this if $options['changed'] = false (null-edits) nor if
2247 // it's a minor edit and the user doesn't want notifications for those.
2248 if ( $options['changed']
2249 && $this->mTitle
->getNamespace() == NS_USER_TALK
2250 && $shortTitle != $user->getTitleKey()
2251 && !( $revision->isMinor() && $user->isAllowed( 'nominornewtalk' ) )
2253 $recipient = User
::newFromName( $shortTitle, false );
2254 if ( !$recipient ) {
2255 wfDebug( __METHOD__
. ": invalid username\n" );
2257 // Allow extensions to prevent user notification
2258 // when a new message is added to their talk page
2259 if ( Hooks
::run( 'ArticleEditUpdateNewTalk', [ &$this, $recipient ] ) ) {
2260 if ( User
::isIP( $shortTitle ) ) {
2261 // An anonymous user
2262 $recipient->setNewtalk( true, $revision );
2263 } elseif ( $recipient->isLoggedIn() ) {
2264 $recipient->setNewtalk( true, $revision );
2266 wfDebug( __METHOD__
. ": don't need to notify a nonexistent user\n" );
2272 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
2273 // XXX: could skip pseudo-messages like js/css here, based on content model.
2274 $msgtext = $content ?
$content->getWikitextForTransclusion() : null;
2275 if ( $msgtext === false ||
$msgtext === null ) {
2279 MessageCache
::singleton()->replace( $shortTitle, $msgtext );
2281 if ( $wgContLang->hasVariants() ) {
2282 $wgContLang->updateConversionTable( $this->mTitle
);
2286 if ( $options['created'] ) {
2287 self
::onArticleCreate( $this->mTitle
);
2288 } elseif ( $options['changed'] ) { // bug 50785
2289 self
::onArticleEdit( $this->mTitle
, $revision );
2294 * Edit an article without doing all that other stuff
2295 * The article must already exist; link tables etc
2296 * are not updated, caches are not flushed.
2298 * @param Content $content Content submitted
2299 * @param User $user The relevant user
2300 * @param string $comment Comment submitted
2301 * @param bool $minor Whereas it's a minor modification
2302 * @param string $serialFormat Format for storing the content in the database
2304 public function doQuickEditContent(
2305 Content
$content, User
$user, $comment = '', $minor = false, $serialFormat = null
2308 $serialized = $content->serialize( $serialFormat );
2310 $dbw = wfGetDB( DB_MASTER
);
2311 $revision = new Revision( [
2312 'title' => $this->getTitle(), // for determining the default content model
2313 'page' => $this->getId(),
2314 'user_text' => $user->getName(),
2315 'user' => $user->getId(),
2316 'text' => $serialized,
2317 'length' => $content->getSize(),
2318 'comment' => $comment,
2319 'minor_edit' => $minor ?
1 : 0,
2320 ] ); // XXX: set the content object?
2321 $revision->insertOn( $dbw );
2322 $this->updateRevisionOn( $dbw, $revision );
2324 Hooks
::run( 'NewRevisionFromEditComplete', [ $this, $revision, false, $user ] );
2329 * Update the article's restriction field, and leave a log entry.
2330 * This works for protection both existing and non-existing pages.
2332 * @param array $limit Set of restriction keys
2333 * @param array $expiry Per restriction type expiration
2334 * @param int &$cascade Set to false if cascading protection isn't allowed.
2335 * @param string $reason
2336 * @param User $user The user updating the restrictions
2337 * @param string|string[] $tags Change tags to add to the pages and protection log entries
2338 * ($user should be able to add the specified tags before this is called)
2339 * @return Status Status object; if action is taken, $status->value is the log_id of the
2340 * protection log entry.
2342 public function doUpdateRestrictions( array $limit, array $expiry,
2343 &$cascade, $reason, User
$user, $tags = null
2345 global $wgCascadingRestrictionLevels, $wgContLang;
2347 if ( wfReadOnly() ) {
2348 return Status
::newFatal( 'readonlytext', wfReadOnlyReason() );
2351 $this->loadPageData( 'fromdbmaster' );
2352 $restrictionTypes = $this->mTitle
->getRestrictionTypes();
2353 $id = $this->getId();
2359 // Take this opportunity to purge out expired restrictions
2360 Title
::purgeExpiredRestrictions();
2362 // @todo FIXME: Same limitations as described in ProtectionForm.php (line 37);
2363 // we expect a single selection, but the schema allows otherwise.
2364 $isProtected = false;
2368 $dbw = wfGetDB( DB_MASTER
);
2370 foreach ( $restrictionTypes as $action ) {
2371 if ( !isset( $expiry[$action] ) ||
$expiry[$action] === $dbw->getInfinity() ) {
2372 $expiry[$action] = 'infinity';
2374 if ( !isset( $limit[$action] ) ) {
2375 $limit[$action] = '';
2376 } elseif ( $limit[$action] != '' ) {
2380 // Get current restrictions on $action
2381 $current = implode( '', $this->mTitle
->getRestrictions( $action ) );
2382 if ( $current != '' ) {
2383 $isProtected = true;
2386 if ( $limit[$action] != $current ) {
2388 } elseif ( $limit[$action] != '' ) {
2389 // Only check expiry change if the action is actually being
2390 // protected, since expiry does nothing on an not-protected
2392 if ( $this->mTitle
->getRestrictionExpiry( $action ) != $expiry[$action] ) {
2398 if ( !$changed && $protect && $this->mTitle
->areRestrictionsCascading() != $cascade ) {
2402 // If nothing has changed, do nothing
2404 return Status
::newGood();
2407 if ( !$protect ) { // No protection at all means unprotection
2408 $revCommentMsg = 'unprotectedarticle';
2409 $logAction = 'unprotect';
2410 } elseif ( $isProtected ) {
2411 $revCommentMsg = 'modifiedarticleprotection';
2412 $logAction = 'modify';
2414 $revCommentMsg = 'protectedarticle';
2415 $logAction = 'protect';
2418 // Truncate for whole multibyte characters
2419 $reason = $wgContLang->truncate( $reason, 255 );
2421 $logRelationsValues = [];
2422 $logRelationsField = null;
2423 $logParamsDetails = [];
2425 // Null revision (used for change tag insertion)
2426 $nullRevision = null;
2428 if ( $id ) { // Protection of existing page
2429 if ( !Hooks
::run( 'ArticleProtect', [ &$this, &$user, $limit, $reason ] ) ) {
2430 return Status
::newGood();
2433 // Only certain restrictions can cascade...
2434 $editrestriction = isset( $limit['edit'] )
2435 ?
[ $limit['edit'] ]
2436 : $this->mTitle
->getRestrictions( 'edit' );
2437 foreach ( array_keys( $editrestriction, 'sysop' ) as $key ) {
2438 $editrestriction[$key] = 'editprotected'; // backwards compatibility
2440 foreach ( array_keys( $editrestriction, 'autoconfirmed' ) as $key ) {
2441 $editrestriction[$key] = 'editsemiprotected'; // backwards compatibility
2444 $cascadingRestrictionLevels = $wgCascadingRestrictionLevels;
2445 foreach ( array_keys( $cascadingRestrictionLevels, 'sysop' ) as $key ) {
2446 $cascadingRestrictionLevels[$key] = 'editprotected'; // backwards compatibility
2448 foreach ( array_keys( $cascadingRestrictionLevels, 'autoconfirmed' ) as $key ) {
2449 $cascadingRestrictionLevels[$key] = 'editsemiprotected'; // backwards compatibility
2452 // The schema allows multiple restrictions
2453 if ( !array_intersect( $editrestriction, $cascadingRestrictionLevels ) ) {
2457 // insert null revision to identify the page protection change as edit summary
2458 $latest = $this->getLatest();
2459 $nullRevision = $this->insertProtectNullRevision(
2468 if ( $nullRevision === null ) {
2469 return Status
::newFatal( 'no-null-revision', $this->mTitle
->getPrefixedText() );
2472 $logRelationsField = 'pr_id';
2474 // Update restrictions table
2475 foreach ( $limit as $action => $restrictions ) {
2477 'page_restrictions',
2480 'pr_type' => $action
2484 if ( $restrictions != '' ) {
2485 $cascadeValue = ( $cascade && $action == 'edit' ) ?
1 : 0;
2487 'page_restrictions',
2489 'pr_id' => $dbw->nextSequenceValue( 'page_restrictions_pr_id_seq' ),
2491 'pr_type' => $action,
2492 'pr_level' => $restrictions,
2493 'pr_cascade' => $cascadeValue,
2494 'pr_expiry' => $dbw->encodeExpiry( $expiry[$action] )
2498 $logRelationsValues[] = $dbw->insertId();
2499 $logParamsDetails[] = [
2501 'level' => $restrictions,
2502 'expiry' => $expiry[$action],
2503 'cascade' => (bool)$cascadeValue,
2508 // Clear out legacy restriction fields
2511 [ 'page_restrictions' => '' ],
2512 [ 'page_id' => $id ],
2516 Hooks
::run( 'NewRevisionFromEditComplete',
2517 [ $this, $nullRevision, $latest, $user ] );
2518 Hooks
::run( 'ArticleProtectComplete', [ &$this, &$user, $limit, $reason ] );
2519 } else { // Protection of non-existing page (also known as "title protection")
2520 // Cascade protection is meaningless in this case
2523 if ( $limit['create'] != '' ) {
2524 $dbw->replace( 'protected_titles',
2525 [ [ 'pt_namespace', 'pt_title' ] ],
2527 'pt_namespace' => $this->mTitle
->getNamespace(),
2528 'pt_title' => $this->mTitle
->getDBkey(),
2529 'pt_create_perm' => $limit['create'],
2530 'pt_timestamp' => $dbw->timestamp(),
2531 'pt_expiry' => $dbw->encodeExpiry( $expiry['create'] ),
2532 'pt_user' => $user->getId(),
2533 'pt_reason' => $reason,
2536 $logParamsDetails[] = [
2538 'level' => $limit['create'],
2539 'expiry' => $expiry['create'],
2542 $dbw->delete( 'protected_titles',
2544 'pt_namespace' => $this->mTitle
->getNamespace(),
2545 'pt_title' => $this->mTitle
->getDBkey()
2551 $this->mTitle
->flushRestrictions();
2552 InfoAction
::invalidateCache( $this->mTitle
);
2554 if ( $logAction == 'unprotect' ) {
2557 $protectDescriptionLog = $this->protectDescriptionLog( $limit, $expiry );
2559 '4::description' => $protectDescriptionLog, // parameter for IRC
2560 '5:bool:cascade' => $cascade,
2561 'details' => $logParamsDetails, // parameter for localize and api
2565 // Update the protection log
2566 $logEntry = new ManualLogEntry( 'protect', $logAction );
2567 $logEntry->setTarget( $this->mTitle
);
2568 $logEntry->setComment( $reason );
2569 $logEntry->setPerformer( $user );
2570 $logEntry->setParameters( $params );
2571 if ( !is_null( $nullRevision ) ) {
2572 $logEntry->setAssociatedRevId( $nullRevision->getId() );
2574 $logEntry->setTags( $tags );
2575 if ( $logRelationsField !== null && count( $logRelationsValues ) ) {
2576 $logEntry->setRelations( [ $logRelationsField => $logRelationsValues ] );
2578 $logId = $logEntry->insert();
2579 $logEntry->publish( $logId );
2581 return Status
::newGood( $logId );
2585 * Insert a new null revision for this page.
2587 * @param string $revCommentMsg Comment message key for the revision
2588 * @param array $limit Set of restriction keys
2589 * @param array $expiry Per restriction type expiration
2590 * @param int $cascade Set to false if cascading protection isn't allowed.
2591 * @param string $reason
2592 * @param User|null $user
2593 * @return Revision|null Null on error
2595 public function insertProtectNullRevision( $revCommentMsg, array $limit,
2596 array $expiry, $cascade, $reason, $user = null
2599 $dbw = wfGetDB( DB_MASTER
);
2601 // Prepare a null revision to be added to the history
2602 $editComment = $wgContLang->ucfirst(
2605 $this->mTitle
->getPrefixedText()
2606 )->inContentLanguage()->text()
2609 $editComment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() . $reason;
2611 $protectDescription = $this->protectDescription( $limit, $expiry );
2612 if ( $protectDescription ) {
2613 $editComment .= wfMessage( 'word-separator' )->inContentLanguage()->text();
2614 $editComment .= wfMessage( 'parentheses' )->params( $protectDescription )
2615 ->inContentLanguage()->text();
2618 $editComment .= wfMessage( 'word-separator' )->inContentLanguage()->text();
2619 $editComment .= wfMessage( 'brackets' )->params(
2620 wfMessage( 'protect-summary-cascade' )->inContentLanguage()->text()
2621 )->inContentLanguage()->text();
2624 $nullRev = Revision
::newNullRevision( $dbw, $this->getId(), $editComment, true, $user );
2626 $nullRev->insertOn( $dbw );
2628 // Update page record and touch page
2629 $oldLatest = $nullRev->getParentId();
2630 $this->updateRevisionOn( $dbw, $nullRev, $oldLatest );
2637 * @param string $expiry 14-char timestamp or "infinity", or false if the input was invalid
2640 protected function formatExpiry( $expiry ) {
2643 if ( $expiry != 'infinity' ) {
2646 $wgContLang->timeanddate( $expiry, false, false ),
2647 $wgContLang->date( $expiry, false, false ),
2648 $wgContLang->time( $expiry, false, false )
2649 )->inContentLanguage()->text();
2651 return wfMessage( 'protect-expiry-indefinite' )
2652 ->inContentLanguage()->text();
2657 * Builds the description to serve as comment for the edit.
2659 * @param array $limit Set of restriction keys
2660 * @param array $expiry Per restriction type expiration
2663 public function protectDescription( array $limit, array $expiry ) {
2664 $protectDescription = '';
2666 foreach ( array_filter( $limit ) as $action => $restrictions ) {
2667 # $action is one of $wgRestrictionTypes = array( 'create', 'edit', 'move', 'upload' ).
2668 # All possible message keys are listed here for easier grepping:
2669 # * restriction-create
2670 # * restriction-edit
2671 # * restriction-move
2672 # * restriction-upload
2673 $actionText = wfMessage( 'restriction-' . $action )->inContentLanguage()->text();
2674 # $restrictions is one of $wgRestrictionLevels = array( '', 'autoconfirmed', 'sysop' ),
2675 # with '' filtered out. All possible message keys are listed below:
2676 # * protect-level-autoconfirmed
2677 # * protect-level-sysop
2678 $restrictionsText = wfMessage( 'protect-level-' . $restrictions )
2679 ->inContentLanguage()->text();
2681 $expiryText = $this->formatExpiry( $expiry[$action] );
2683 if ( $protectDescription !== '' ) {
2684 $protectDescription .= wfMessage( 'word-separator' )->inContentLanguage()->text();
2686 $protectDescription .= wfMessage( 'protect-summary-desc' )
2687 ->params( $actionText, $restrictionsText, $expiryText )
2688 ->inContentLanguage()->text();
2691 return $protectDescription;
2695 * Builds the description to serve as comment for the log entry.
2697 * Some bots may parse IRC lines, which are generated from log entries which contain plain
2698 * protect description text. Keep them in old format to avoid breaking compatibility.
2699 * TODO: Fix protection log to store structured description and format it on-the-fly.
2701 * @param array $limit Set of restriction keys
2702 * @param array $expiry Per restriction type expiration
2705 public function protectDescriptionLog( array $limit, array $expiry ) {
2708 $protectDescriptionLog = '';
2710 foreach ( array_filter( $limit ) as $action => $restrictions ) {
2711 $expiryText = $this->formatExpiry( $expiry[$action] );
2712 $protectDescriptionLog .= $wgContLang->getDirMark() .
2713 "[$action=$restrictions] ($expiryText)";
2716 return trim( $protectDescriptionLog );
2720 * Take an array of page restrictions and flatten it to a string
2721 * suitable for insertion into the page_restrictions field.
2723 * @param string[] $limit
2725 * @throws MWException
2728 protected static function flattenRestrictions( $limit ) {
2729 if ( !is_array( $limit ) ) {
2730 throw new MWException( __METHOD__
. ' given non-array restriction set' );
2736 foreach ( array_filter( $limit ) as $action => $restrictions ) {
2737 $bits[] = "$action=$restrictions";
2740 return implode( ':', $bits );
2744 * Same as doDeleteArticleReal(), but returns a simple boolean. This is kept around for
2745 * backwards compatibility, if you care about error reporting you should use
2746 * doDeleteArticleReal() instead.
2748 * Deletes the article with database consistency, writes logs, purges caches
2750 * @param string $reason Delete reason for deletion log
2751 * @param bool $suppress Suppress all revisions and log the deletion in
2752 * the suppression log instead of the deletion log
2753 * @param int $u1 Unused
2754 * @param bool $u2 Unused
2755 * @param array|string &$error Array of errors to append to
2756 * @param User $user The deleting user
2757 * @return bool True if successful
2759 public function doDeleteArticle(
2760 $reason, $suppress = false, $u1 = null, $u2 = null, &$error = '', User
$user = null
2762 $status = $this->doDeleteArticleReal( $reason, $suppress, $u1, $u2, $error, $user );
2763 return $status->isGood();
2767 * Back-end article deletion
2768 * Deletes the article with database consistency, writes logs, purges caches
2772 * @param string $reason Delete reason for deletion log
2773 * @param bool $suppress Suppress all revisions and log the deletion in
2774 * the suppression log instead of the deletion log
2775 * @param int $u1 Unused
2776 * @param bool $u2 Unused
2777 * @param array|string &$error Array of errors to append to
2778 * @param User $user The deleting user
2779 * @return Status Status object; if successful, $status->value is the log_id of the
2780 * deletion log entry. If the page couldn't be deleted because it wasn't
2781 * found, $status is a non-fatal 'cannotdelete' error
2783 public function doDeleteArticleReal(
2784 $reason, $suppress = false, $u1 = null, $u2 = null, &$error = '', User
$user = null
2786 global $wgUser, $wgContentHandlerUseDB;
2788 wfDebug( __METHOD__
. "\n" );
2790 $status = Status
::newGood();
2792 if ( $this->mTitle
->getDBkey() === '' ) {
2793 $status->error( 'cannotdelete',
2794 wfEscapeWikiText( $this->getTitle()->getPrefixedText() ) );
2798 $user = is_null( $user ) ?
$wgUser : $user;
2799 if ( !Hooks
::run( 'ArticleDelete',
2800 [ &$this, &$user, &$reason, &$error, &$status, $suppress ]
2802 if ( $status->isOK() ) {
2803 // Hook aborted but didn't set a fatal status
2804 $status->fatal( 'delete-hook-aborted' );
2809 $dbw = wfGetDB( DB_MASTER
);
2810 $dbw->startAtomic( __METHOD__
);
2812 $this->loadPageData( self
::READ_LATEST
);
2813 $id = $this->getId();
2814 // T98706: lock the page from various other updates but avoid using
2815 // WikiPage::READ_LOCKING as that will carry over the FOR UPDATE to
2816 // the revisions queries (which also JOIN on user). Only lock the page
2817 // row and CAS check on page_latest to see if the trx snapshot matches.
2818 $lockedLatest = $this->lockAndGetLatest();
2819 if ( $id == 0 ||
$this->getLatest() != $lockedLatest ) {
2820 $dbw->endAtomic( __METHOD__
);
2821 // Page not there or trx snapshot is stale
2822 $status->error( 'cannotdelete',
2823 wfEscapeWikiText( $this->getTitle()->getPrefixedText() ) );
2827 // At this point we are now comitted to returning an OK
2828 // status unless some DB query error or other exception comes up.
2829 // This way callers don't have to call rollback() if $status is bad
2830 // unless they actually try to catch exceptions (which is rare).
2832 // we need to remember the old content so we can use it to generate all deletion updates.
2833 $content = $this->getContent( Revision
::RAW
);
2835 // Bitfields to further suppress the content
2838 // This should be 15...
2839 $bitfield |
= Revision
::DELETED_TEXT
;
2840 $bitfield |
= Revision
::DELETED_COMMENT
;
2841 $bitfield |
= Revision
::DELETED_USER
;
2842 $bitfield |
= Revision
::DELETED_RESTRICTED
;
2844 $bitfield = 'rev_deleted';
2848 * For now, shunt the revision data into the archive table.
2849 * Text is *not* removed from the text table; bulk storage
2850 * is left intact to avoid breaking block-compression or
2851 * immutable storage schemes.
2853 * For backwards compatibility, note that some older archive
2854 * table entries will have ar_text and ar_flags fields still.
2856 * In the future, we may keep revisions and mark them with
2857 * the rev_deleted field, which is reserved for this purpose.
2861 'ar_namespace' => 'page_namespace',
2862 'ar_title' => 'page_title',
2863 'ar_comment' => 'rev_comment',
2864 'ar_user' => 'rev_user',
2865 'ar_user_text' => 'rev_user_text',
2866 'ar_timestamp' => 'rev_timestamp',
2867 'ar_minor_edit' => 'rev_minor_edit',
2868 'ar_rev_id' => 'rev_id',
2869 'ar_parent_id' => 'rev_parent_id',
2870 'ar_text_id' => 'rev_text_id',
2871 'ar_text' => '\'\'', // Be explicit to appease
2872 'ar_flags' => '\'\'', // MySQL's "strict mode"...
2873 'ar_len' => 'rev_len',
2874 'ar_page_id' => 'page_id',
2875 'ar_deleted' => $bitfield,
2876 'ar_sha1' => 'rev_sha1',
2879 if ( $wgContentHandlerUseDB ) {
2880 $row['ar_content_model'] = 'rev_content_model';
2881 $row['ar_content_format'] = 'rev_content_format';
2884 // Copy all the page revisions into the archive table
2887 [ 'page', 'revision' ],
2891 'page_id = rev_page'
2896 // Now that it's safely backed up, delete it
2897 $dbw->delete( 'page', [ 'page_id' => $id ], __METHOD__
);
2899 if ( !$dbw->cascadingDeletes() ) {
2900 $dbw->delete( 'revision', [ 'rev_page' => $id ], __METHOD__
);
2903 // Clone the title, so we have the information we need when we log
2904 $logTitle = clone $this->mTitle
;
2906 // Log the deletion, if the page was suppressed, put it in the suppression log instead
2907 $logtype = $suppress ?
'suppress' : 'delete';
2909 $logEntry = new ManualLogEntry( $logtype, 'delete' );
2910 $logEntry->setPerformer( $user );
2911 $logEntry->setTarget( $logTitle );
2912 $logEntry->setComment( $reason );
2913 $logid = $logEntry->insert();
2915 $dbw->onTransactionPreCommitOrIdle( function () use ( $dbw, $logEntry, $logid ) {
2916 // Bug 56776: avoid deadlocks (especially from FileDeleteForm)
2917 $logEntry->publish( $logid );
2920 $dbw->endAtomic( __METHOD__
);
2922 $this->doDeleteUpdates( $id, $content );
2924 Hooks
::run( 'ArticleDeleteComplete',
2925 [ &$this, &$user, $reason, $id, $content, $logEntry ] );
2926 $status->value
= $logid;
2928 // Show log excerpt on 404 pages rather than just a link
2929 $cache = ObjectCache
::getMainStashInstance();
2930 $key = wfMemcKey( 'page-recent-delete', md5( $logTitle->getPrefixedText() ) );
2931 $cache->set( $key, 1, $cache::TTL_DAY
);
2937 * Lock the page row for this title+id and return page_latest (or 0)
2939 * @return integer Returns 0 if no row was found with this title+id
2942 public function lockAndGetLatest() {
2943 return (int)wfGetDB( DB_MASTER
)->selectField(
2947 'page_id' => $this->getId(),
2948 // Typically page_id is enough, but some code might try to do
2949 // updates assuming the title is the same, so verify that
2950 'page_namespace' => $this->getTitle()->getNamespace(),
2951 'page_title' => $this->getTitle()->getDBkey()
2959 * Do some database updates after deletion
2961 * @param int $id The page_id value of the page being deleted
2962 * @param Content $content Optional page content to be used when determining
2963 * the required updates. This may be needed because $this->getContent()
2964 * may already return null when the page proper was deleted.
2966 public function doDeleteUpdates( $id, Content
$content = null ) {
2967 // Update site status
2968 DeferredUpdates
::addUpdate( new SiteStatsUpdate( 0, 1, - (int)$this->isCountable(), -1 ) );
2970 // Delete pagelinks, update secondary indexes, etc
2971 $updates = $this->getDeletionUpdates( $content );
2972 foreach ( $updates as $update ) {
2973 DeferredUpdates
::addUpdate( $update );
2976 // Reparse any pages transcluding this page
2977 LinksUpdate
::queueRecursiveJobsForTable( $this->mTitle
, 'templatelinks' );
2979 // Reparse any pages including this image
2980 if ( $this->mTitle
->getNamespace() == NS_FILE
) {
2981 LinksUpdate
::queueRecursiveJobsForTable( $this->mTitle
, 'imagelinks' );
2985 WikiPage
::onArticleDelete( $this->mTitle
);
2987 // Reset this object and the Title object
2988 $this->loadFromRow( false, self
::READ_LATEST
);
2991 DeferredUpdates
::addUpdate( new SearchUpdate( $id, $this->mTitle
) );
2995 * Roll back the most recent consecutive set of edits to a page
2996 * from the same user; fails if there are no eligible edits to
2997 * roll back to, e.g. user is the sole contributor. This function
2998 * performs permissions checks on $user, then calls commitRollback()
2999 * to do the dirty work
3001 * @todo Separate the business/permission stuff out from backend code
3003 * @param string $fromP Name of the user whose edits to rollback.
3004 * @param string $summary Custom summary. Set to default summary if empty.
3005 * @param string $token Rollback token.
3006 * @param bool $bot If true, mark all reverted edits as bot.
3008 * @param array $resultDetails Array contains result-specific array of additional values
3009 * 'alreadyrolled' : 'current' (rev)
3010 * success : 'summary' (str), 'current' (rev), 'target' (rev)
3012 * @param User $user The user performing the rollback
3013 * @param array|null $tags Change tags to apply to the rollback
3014 * Callers are responsible for permission checks
3015 * (with ChangeTags::canAddTagsAccompanyingChange)
3017 * @return array Array of errors, each error formatted as
3018 * array(messagekey, param1, param2, ...).
3019 * On success, the array is empty. This array can also be passed to
3020 * OutputPage::showPermissionsErrorPage().
3022 public function doRollback(
3023 $fromP, $summary, $token, $bot, &$resultDetails, User
$user, $tags = null
3025 $resultDetails = null;
3027 // Check permissions
3028 $editErrors = $this->mTitle
->getUserPermissionsErrors( 'edit', $user );
3029 $rollbackErrors = $this->mTitle
->getUserPermissionsErrors( 'rollback', $user );
3030 $errors = array_merge( $editErrors, wfArrayDiff2( $rollbackErrors, $editErrors ) );
3032 if ( !$user->matchEditToken( $token, [ $this->mTitle
->getPrefixedText(), $fromP ] ) ) {
3033 $errors[] = [ 'sessionfailure' ];
3036 if ( $user->pingLimiter( 'rollback' ) ||
$user->pingLimiter() ) {
3037 $errors[] = [ 'actionthrottledtext' ];
3040 // If there were errors, bail out now
3041 if ( !empty( $errors ) ) {
3045 return $this->commitRollback( $fromP, $summary, $bot, $resultDetails, $user, $tags );
3049 * Backend implementation of doRollback(), please refer there for parameter
3050 * and return value documentation
3052 * NOTE: This function does NOT check ANY permissions, it just commits the
3053 * rollback to the DB. Therefore, you should only call this function direct-
3054 * ly if you want to use custom permissions checks. If you don't, use
3055 * doRollback() instead.
3056 * @param string $fromP Name of the user whose edits to rollback.
3057 * @param string $summary Custom summary. Set to default summary if empty.
3058 * @param bool $bot If true, mark all reverted edits as bot.
3060 * @param array $resultDetails Contains result-specific array of additional values
3061 * @param User $guser The user performing the rollback
3062 * @param array|null $tags Change tags to apply to the rollback
3063 * Callers are responsible for permission checks
3064 * (with ChangeTags::canAddTagsAccompanyingChange)
3068 public function commitRollback( $fromP, $summary, $bot,
3069 &$resultDetails, User
$guser, $tags = null
3071 global $wgUseRCPatrol, $wgContLang;
3073 $dbw = wfGetDB( DB_MASTER
);
3075 if ( wfReadOnly() ) {
3076 return [ [ 'readonlytext' ] ];
3079 // Get the last editor
3080 $current = $this->getRevision();
3081 if ( is_null( $current ) ) {
3082 // Something wrong... no page?
3083 return [ [ 'notanarticle' ] ];
3086 $from = str_replace( '_', ' ', $fromP );
3087 // User name given should match up with the top revision.
3088 // If the user was deleted then $from should be empty.
3089 if ( $from != $current->getUserText() ) {
3090 $resultDetails = [ 'current' => $current ];
3091 return [ [ 'alreadyrolled',
3092 htmlspecialchars( $this->mTitle
->getPrefixedText() ),
3093 htmlspecialchars( $fromP ),
3094 htmlspecialchars( $current->getUserText() )
3098 // Get the last edit not by this person...
3099 // Note: these may not be public values
3100 $user = intval( $current->getUser( Revision
::RAW
) );
3101 $user_text = $dbw->addQuotes( $current->getUserText( Revision
::RAW
) );
3102 $s = $dbw->selectRow( 'revision',
3103 [ 'rev_id', 'rev_timestamp', 'rev_deleted' ],
3104 [ 'rev_page' => $current->getPage(),
3105 "rev_user != {$user} OR rev_user_text != {$user_text}"
3107 [ 'USE INDEX' => 'page_timestamp',
3108 'ORDER BY' => 'rev_timestamp DESC' ]
3110 if ( $s === false ) {
3111 // No one else ever edited this page
3112 return [ [ 'cantrollback' ] ];
3113 } elseif ( $s->rev_deleted
& Revision
::DELETED_TEXT
3114 ||
$s->rev_deleted
& Revision
::DELETED_USER
3116 // Only admins can see this text
3117 return [ [ 'notvisiblerev' ] ];
3120 // Generate the edit summary if necessary
3121 $target = Revision
::newFromId( $s->rev_id
, Revision
::READ_LATEST
);
3122 if ( empty( $summary ) ) {
3123 if ( $from == '' ) { // no public user name
3124 $summary = wfMessage( 'revertpage-nouser' );
3126 $summary = wfMessage( 'revertpage' );
3130 // Allow the custom summary to use the same args as the default message
3132 $target->getUserText(), $from, $s->rev_id
,
3133 $wgContLang->timeanddate( wfTimestamp( TS_MW
, $s->rev_timestamp
) ),
3134 $current->getId(), $wgContLang->timeanddate( $current->getTimestamp() )
3136 if ( $summary instanceof Message
) {
3137 $summary = $summary->params( $args )->inContentLanguage()->text();
3139 $summary = wfMsgReplaceArgs( $summary, $args );
3142 // Trim spaces on user supplied text
3143 $summary = trim( $summary );
3145 // Truncate for whole multibyte characters.
3146 $summary = $wgContLang->truncate( $summary, 255 );
3149 $flags = EDIT_UPDATE
;
3151 if ( $guser->isAllowed( 'minoredit' ) ) {
3152 $flags |
= EDIT_MINOR
;
3155 if ( $bot && ( $guser->isAllowedAny( 'markbotedits', 'bot' ) ) ) {
3156 $flags |
= EDIT_FORCE_BOT
;
3159 // Actually store the edit
3160 $status = $this->doEditContent(
3161 $target->getContent(),
3170 // Set patrolling and bot flag on the edits, which gets rollbacked.
3171 // This is done even on edit failure to have patrolling in that case (bug 62157).
3173 if ( $bot && $guser->isAllowed( 'markbotedits' ) ) {
3174 // Mark all reverted edits as bot
3178 if ( $wgUseRCPatrol ) {
3179 // Mark all reverted edits as patrolled
3180 $set['rc_patrolled'] = 1;
3183 if ( count( $set ) ) {
3184 $dbw->update( 'recentchanges', $set,
3186 'rc_cur_id' => $current->getPage(),
3187 'rc_user_text' => $current->getUserText(),
3188 'rc_timestamp > ' . $dbw->addQuotes( $s->rev_timestamp
),
3194 if ( !$status->isOK() ) {
3195 return $status->getErrorsArray();
3198 // raise error, when the edit is an edit without a new version
3199 $statusRev = isset( $status->value
['revision'] )
3200 ?
$status->value
['revision']
3202 if ( !( $statusRev instanceof Revision
) ) {
3203 $resultDetails = [ 'current' => $current ];
3204 return [ [ 'alreadyrolled',
3205 htmlspecialchars( $this->mTitle
->getPrefixedText() ),
3206 htmlspecialchars( $fromP ),
3207 htmlspecialchars( $current->getUserText() )
3211 $revId = $statusRev->getId();
3213 Hooks
::run( 'ArticleRollbackComplete', [ $this, $guser, $target, $current ] );
3216 'summary' => $summary,
3217 'current' => $current,
3218 'target' => $target,
3226 * The onArticle*() functions are supposed to be a kind of hooks
3227 * which should be called whenever any of the specified actions
3230 * This is a good place to put code to clear caches, for instance.
3232 * This is called on page move and undelete, as well as edit
3234 * @param Title $title
3236 public static function onArticleCreate( Title
$title ) {
3237 // Update existence markers on article/talk tabs...
3238 $other = $title->getOtherPage();
3240 $other->purgeSquid();
3242 $title->touchLinks();
3243 $title->purgeSquid();
3244 $title->deleteTitleProtection();
3248 * Clears caches when article is deleted
3250 * @param Title $title
3252 public static function onArticleDelete( Title
$title ) {
3255 // Update existence markers on article/talk tabs...
3256 $other = $title->getOtherPage();
3258 $other->purgeSquid();
3260 $title->touchLinks();
3261 $title->purgeSquid();
3264 HTMLFileCache
::clearFileCache( $title );
3265 InfoAction
::invalidateCache( $title );
3268 if ( $title->getNamespace() == NS_MEDIAWIKI
) {
3269 MessageCache
::singleton()->replace( $title->getDBkey(), false );
3271 if ( $wgContLang->hasVariants() ) {
3272 $wgContLang->updateConversionTable( $title );
3277 if ( $title->getNamespace() == NS_FILE
) {
3278 DeferredUpdates
::addUpdate( new HTMLCacheUpdate( $title, 'imagelinks' ) );
3282 if ( $title->getNamespace() == NS_USER_TALK
) {
3283 $user = User
::newFromName( $title->getText(), false );
3285 $user->setNewtalk( false );
3290 RepoGroup
::singleton()->getLocalRepo()->invalidateImageRedirect( $title );
3294 * Purge caches on page update etc
3296 * @param Title $title
3297 * @param Revision|null $revision Revision that was just saved, may be null
3299 public static function onArticleEdit( Title
$title, Revision
$revision = null ) {
3300 // Invalidate caches of articles which include this page
3301 DeferredUpdates
::addUpdate( new HTMLCacheUpdate( $title, 'templatelinks' ) );
3303 // Invalidate the caches of all pages which redirect here
3304 DeferredUpdates
::addUpdate( new HTMLCacheUpdate( $title, 'redirect' ) );
3306 // Purge CDN for this page only
3307 $title->purgeSquid();
3308 // Clear file cache for this page only
3309 HTMLFileCache
::clearFileCache( $title );
3311 $revid = $revision ?
$revision->getId() : null;
3312 DeferredUpdates
::addCallableUpdate( function() use ( $title, $revid ) {
3313 InfoAction
::invalidateCache( $title, $revid );
3320 * Returns a list of categories this page is a member of.
3321 * Results will include hidden categories
3323 * @return TitleArray
3325 public function getCategories() {
3326 $id = $this->getId();
3328 return TitleArray
::newFromResult( new FakeResultWrapper( [] ) );
3331 $dbr = wfGetDB( DB_SLAVE
);
3332 $res = $dbr->select( 'categorylinks',
3333 [ 'cl_to AS page_title, ' . NS_CATEGORY
. ' AS page_namespace' ],
3334 // Have to do that since DatabaseBase::fieldNamesWithAlias treats numeric indexes
3335 // as not being aliases, and NS_CATEGORY is numeric
3336 [ 'cl_from' => $id ],
3339 return TitleArray
::newFromResult( $res );
3343 * Returns a list of hidden categories this page is a member of.
3344 * Uses the page_props and categorylinks tables.
3346 * @return array Array of Title objects
3348 public function getHiddenCategories() {
3350 $id = $this->getId();
3356 $dbr = wfGetDB( DB_SLAVE
);
3357 $res = $dbr->select( [ 'categorylinks', 'page_props', 'page' ],
3359 [ 'cl_from' => $id, 'pp_page=page_id', 'pp_propname' => 'hiddencat',
3360 'page_namespace' => NS_CATEGORY
, 'page_title=cl_to' ],
3363 if ( $res !== false ) {
3364 foreach ( $res as $row ) {
3365 $result[] = Title
::makeTitle( NS_CATEGORY
, $row->cl_to
);
3373 * Return an applicable autosummary if one exists for the given edit.
3374 * @param string|null $oldtext The previous text of the page.
3375 * @param string|null $newtext The submitted text of the page.
3376 * @param int $flags Bitmask: a bitmask of flags submitted for the edit.
3377 * @return string An appropriate autosummary, or an empty string.
3379 * @deprecated since 1.21, use ContentHandler::getAutosummary() instead
3381 public static function getAutosummary( $oldtext, $newtext, $flags ) {
3382 // NOTE: stub for backwards-compatibility. assumes the given text is
3383 // wikitext. will break horribly if it isn't.
3385 ContentHandler
::deprecated( __METHOD__
, '1.21' );
3387 $handler = ContentHandler
::getForModelID( CONTENT_MODEL_WIKITEXT
);
3388 $oldContent = is_null( $oldtext ) ?
null : $handler->unserializeContent( $oldtext );
3389 $newContent = is_null( $newtext ) ?
null : $handler->unserializeContent( $newtext );
3391 return $handler->getAutosummary( $oldContent, $newContent, $flags );
3395 * Auto-generates a deletion reason
3397 * @param bool &$hasHistory Whether the page has a history
3398 * @return string|bool String containing deletion reason or empty string, or boolean false
3399 * if no revision occurred
3401 public function getAutoDeleteReason( &$hasHistory ) {
3402 return $this->getContentHandler()->getAutoDeleteReason( $this->getTitle(), $hasHistory );
3406 * Update all the appropriate counts in the category table, given that
3407 * we've added the categories $added and deleted the categories $deleted.
3409 * @param array $added The names of categories that were added
3410 * @param array $deleted The names of categories that were deleted
3412 public function updateCategoryCounts( array $added, array $deleted ) {
3414 $method = __METHOD__
;
3415 $dbw = wfGetDB( DB_MASTER
);
3417 // Do this at the end of the commit to reduce lock wait timeouts
3418 $dbw->onTransactionPreCommitOrIdle(
3419 function () use ( $dbw, $that, $method, $added, $deleted ) {
3420 $ns = $that->getTitle()->getNamespace();
3422 $addFields = [ 'cat_pages = cat_pages + 1' ];
3423 $removeFields = [ 'cat_pages = cat_pages - 1' ];
3424 if ( $ns == NS_CATEGORY
) {
3425 $addFields[] = 'cat_subcats = cat_subcats + 1';
3426 $removeFields[] = 'cat_subcats = cat_subcats - 1';
3427 } elseif ( $ns == NS_FILE
) {
3428 $addFields[] = 'cat_files = cat_files + 1';
3429 $removeFields[] = 'cat_files = cat_files - 1';
3432 if ( count( $added ) ) {
3433 $existingAdded = $dbw->selectFieldValues(
3436 [ 'cat_title' => $added ],
3440 // For category rows that already exist, do a plain
3441 // UPDATE instead of INSERT...ON DUPLICATE KEY UPDATE
3442 // to avoid creating gaps in the cat_id sequence.
3443 if ( count( $existingAdded ) ) {
3447 [ 'cat_title' => $existingAdded ],
3452 $missingAdded = array_diff( $added, $existingAdded );
3453 if ( count( $missingAdded ) ) {
3455 foreach ( $missingAdded as $cat ) {
3457 'cat_title' => $cat,
3459 'cat_subcats' => ( $ns == NS_CATEGORY
) ?
1 : 0,
3460 'cat_files' => ( $ns == NS_FILE
) ?
1 : 0,
3473 if ( count( $deleted ) ) {
3477 [ 'cat_title' => $deleted ],
3482 foreach ( $added as $catName ) {
3483 $cat = Category
::newFromName( $catName );
3484 Hooks
::run( 'CategoryAfterPageAdded', [ $cat, $that ] );
3487 foreach ( $deleted as $catName ) {
3488 $cat = Category
::newFromName( $catName );
3489 Hooks
::run( 'CategoryAfterPageRemoved', [ $cat, $that ] );
3496 * Opportunistically enqueue link update jobs given fresh parser output if useful
3498 * @param ParserOutput $parserOutput Current version page output
3501 public function triggerOpportunisticLinksUpdate( ParserOutput
$parserOutput ) {
3502 if ( wfReadOnly() ) {
3506 if ( !Hooks
::run( 'OpportunisticLinksUpdate',
3507 [ $this, $this->mTitle
, $parserOutput ]
3513 'isOpportunistic' => true,
3514 'rootJobTimestamp' => $parserOutput->getCacheTime()
3517 if ( $this->mTitle
->areRestrictionsCascading() ) {
3518 // If the page is cascade protecting, the links should really be up-to-date
3519 JobQueueGroup
::singleton()->lazyPush(
3520 RefreshLinksJob
::newPrioritized( $this->mTitle
, $params )
3522 } elseif ( $parserOutput->hasDynamicContent() ) {
3523 // Assume the output contains "dynamic" time/random based magic words.
3524 // Only update pages that expired due to dynamic content and NOT due to edits
3525 // to referenced templates/files. When the cache expires due to dynamic content,
3526 // page_touched is unchanged. We want to avoid triggering redundant jobs due to
3527 // views of pages that were just purged via HTMLCacheUpdateJob. In that case, the
3528 // template/file edit already triggered recursive RefreshLinksJob jobs.
3529 if ( $this->getLinksTimestamp() > $this->getTouched() ) {
3530 // If a page is uncacheable, do not keep spamming a job for it.
3531 // Although it would be de-duplicated, it would still waste I/O.
3532 $cache = ObjectCache
::getLocalClusterInstance();
3533 $key = $cache->makeKey( 'dynamic-linksupdate', 'last', $this->getId() );
3534 if ( $cache->add( $key, time(), 60 ) ) {
3535 JobQueueGroup
::singleton()->lazyPush(
3536 RefreshLinksJob
::newDynamic( $this->mTitle
, $params )
3544 * Returns a list of updates to be performed when this page is deleted. The
3545 * updates should remove any information about this page from secondary data
3546 * stores such as links tables.
3548 * @param Content|null $content Optional Content object for determining the
3549 * necessary updates.
3550 * @return DataUpdate[]
3552 public function getDeletionUpdates( Content
$content = null ) {
3554 // load content object, which may be used to determine the necessary updates.
3555 // XXX: the content may not be needed to determine the updates.
3556 $content = $this->getContent( Revision
::RAW
);
3562 $updates = $content->getDeletionUpdates( $this );
3565 Hooks
::run( 'WikiPageDeletionUpdates', [ $this, $content, &$updates ] );