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 * Abstract class 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 * @internal documentation reviewed 15 Mar 2010
37 class WikiPage
implements Page
, IDBAccessObject
{
38 // Constants for $mDataLoadedFrom and related
43 public $mTitle = null;
48 public $mDataLoaded = false; // !< Boolean
49 public $mIsRedirect = false; // !< Boolean
50 public $mLatest = false; // !< Integer (false means "not loaded")
53 /** @var stdclass Map of cache fields (text, parser output, ect) for a proposed/new edit */
54 public $mPreparedEdit = false;
59 protected $mId = null;
62 * @var int One of the READ_* constants
64 protected $mDataLoadedFrom = self
::READ_NONE
;
69 protected $mRedirectTarget = null;
74 protected $mLastRevision = null;
77 * @var string Timestamp of the current revision or empty string if not loaded
79 protected $mTimestamp = '';
84 protected $mTouched = '19700101000000';
89 protected $mLinksUpdated = '19700101000000';
94 protected $mCounter = null;
97 * Constructor and clear the article
98 * @param Title $title Reference to a Title object.
100 public function __construct( Title
$title ) {
101 $this->mTitle
= $title;
105 * Create a WikiPage object of the appropriate class for the given title.
107 * @param Title $title
109 * @throws MWException
110 * @return WikiPage Object of the appropriate type
112 public static function factory( Title
$title ) {
113 $ns = $title->getNamespace();
115 if ( $ns == NS_MEDIA
) {
116 throw new MWException( "NS_MEDIA is a virtual namespace; use NS_FILE." );
117 } elseif ( $ns < 0 ) {
118 throw new MWException( "Invalid or virtual namespace $ns given." );
123 $page = new WikiFilePage( $title );
126 $page = new WikiCategoryPage( $title );
129 $page = new WikiPage( $title );
136 * Constructor from a page id
138 * @param int $id Article ID to load
139 * @param string|int $from One of the following values:
140 * - "fromdb" or WikiPage::READ_NORMAL to select from a slave database
141 * - "fromdbmaster" or WikiPage::READ_LATEST to select from the master database
143 * @return WikiPage|null
145 public static function newFromID( $id, $from = 'fromdb' ) {
146 // page id's are never 0 or negative, see bug 61166
151 $from = self
::convertSelectType( $from );
152 $db = wfGetDB( $from === self
::READ_LATEST ? DB_MASTER
: DB_SLAVE
);
153 $row = $db->selectRow( 'page', self
::selectFields(), array( 'page_id' => $id ), __METHOD__
);
157 return self
::newFromRow( $row, $from );
161 * Constructor from a database row
164 * @param object $row Database row containing at least fields returned by selectFields().
165 * @param string|int $from Source of $data:
166 * - "fromdb" or WikiPage::READ_NORMAL: from a slave DB
167 * - "fromdbmaster" or WikiPage::READ_LATEST: from the master DB
168 * - "forupdate" or WikiPage::READ_LOCKING: from the master DB using SELECT FOR UPDATE
171 public static function newFromRow( $row, $from = 'fromdb' ) {
172 $page = self
::factory( Title
::newFromRow( $row ) );
173 $page->loadFromRow( $row, $from );
178 * Convert 'fromdb', 'fromdbmaster' and 'forupdate' to READ_* constants.
180 * @param object|string|int $type
183 private static function convertSelectType( $type ) {
186 return self
::READ_NORMAL
;
188 return self
::READ_LATEST
;
190 return self
::READ_LOCKING
;
192 // It may already be an integer or whatever else
198 * Returns overrides for action handlers.
199 * Classes listed here will be used instead of the default one when
200 * (and only when) $wgActions[$action] === true. This allows subclasses
201 * to override the default behavior.
203 * @todo Move this UI stuff somewhere else
207 public function getActionOverrides() {
208 $content_handler = $this->getContentHandler();
209 return $content_handler->getActionOverrides();
213 * Returns the ContentHandler instance to be used to deal with the content of this WikiPage.
215 * Shorthand for ContentHandler::getForModelID( $this->getContentModel() );
217 * @return ContentHandler
221 public function getContentHandler() {
222 return ContentHandler
::getForModelID( $this->getContentModel() );
226 * Get the title object of the article
227 * @return Title Title object of this page
229 public function getTitle() {
230 return $this->mTitle
;
237 public function clear() {
238 $this->mDataLoaded
= false;
239 $this->mDataLoadedFrom
= self
::READ_NONE
;
241 $this->clearCacheFields();
245 * Clear the object cache fields
248 protected function clearCacheFields() {
250 $this->mCounter
= null;
251 $this->mRedirectTarget
= null; // Title object if set
252 $this->mLastRevision
= null; // Latest revision
253 $this->mTouched
= '19700101000000';
254 $this->mLinksUpdated
= '19700101000000';
255 $this->mTimestamp
= '';
256 $this->mIsRedirect
= false;
257 $this->mLatest
= false;
258 // Bug 57026: do not clear mPreparedEdit since prepareTextForEdit() already checks
259 // the requested rev ID and content against the cached one for equality. For most
260 // content types, the output should not change during the lifetime of this cache.
261 // Clearing it can cause extra parses on edit for no reason.
265 * Clear the mPreparedEdit cache field, as may be needed by mutable content types
269 public function clearPreparedEdit() {
270 $this->mPreparedEdit
= false;
274 * Return the list of revision fields that should be selected to create
279 public static function selectFields() {
280 global $wgContentHandlerUseDB;
292 'page_links_updated',
297 if ( $wgContentHandlerUseDB ) {
298 $fields[] = 'page_content_model';
305 * Fetch a page record with the given conditions
306 * @param DatabaseBase $dbr
307 * @param array $conditions
308 * @param array $options
309 * @return object|bool Database result resource, or false on failure
311 protected function pageData( $dbr, $conditions, $options = array() ) {
312 $fields = self
::selectFields();
314 wfRunHooks( 'ArticlePageDataBefore', array( &$this, &$fields ) );
316 $row = $dbr->selectRow( 'page', $fields, $conditions, __METHOD__
, $options );
318 wfRunHooks( 'ArticlePageDataAfter', array( &$this, &$row ) );
324 * Fetch a page record matching the Title object's namespace and title
325 * using a sanitized title string
327 * @param DatabaseBase $dbr
328 * @param Title $title
329 * @param array $options
330 * @return object|bool Database result resource, or false on failure
332 public function pageDataFromTitle( $dbr, $title, $options = array() ) {
333 return $this->pageData( $dbr, array(
334 'page_namespace' => $title->getNamespace(),
335 'page_title' => $title->getDBkey() ), $options );
339 * Fetch a page record matching the requested ID
341 * @param DatabaseBase $dbr
343 * @param array $options
344 * @return object|bool Database result resource, or false on failure
346 public function pageDataFromId( $dbr, $id, $options = array() ) {
347 return $this->pageData( $dbr, array( 'page_id' => $id ), $options );
351 * Set the general counter, title etc data loaded from
354 * @param object|string|int $from One of the following:
355 * - A DB query result object.
356 * - "fromdb" or WikiPage::READ_NORMAL to get from a slave DB.
357 * - "fromdbmaster" or WikiPage::READ_LATEST to get from the master DB.
358 * - "forupdate" or WikiPage::READ_LOCKING to get from the master DB
359 * using SELECT FOR UPDATE.
363 public function loadPageData( $from = 'fromdb' ) {
364 $from = self
::convertSelectType( $from );
365 if ( is_int( $from ) && $from <= $this->mDataLoadedFrom
) {
366 // We already have the data from the correct location, no need to load it twice.
370 if ( $from === self
::READ_LOCKING
) {
371 $data = $this->pageDataFromTitle( wfGetDB( DB_MASTER
), $this->mTitle
, array( 'FOR UPDATE' ) );
372 } elseif ( $from === self
::READ_LATEST
) {
373 $data = $this->pageDataFromTitle( wfGetDB( DB_MASTER
), $this->mTitle
);
374 } elseif ( $from === self
::READ_NORMAL
) {
375 $data = $this->pageDataFromTitle( wfGetDB( DB_SLAVE
), $this->mTitle
);
376 // Use a "last rev inserted" timestamp key to diminish the issue of slave lag.
377 // Note that DB also stores the master position in the session and checks it.
378 $touched = $this->getCachedLastEditTime();
379 if ( $touched ) { // key set
380 if ( !$data ||
$touched > wfTimestamp( TS_MW
, $data->page_touched
) ) {
381 $from = self
::READ_LATEST
;
382 $data = $this->pageDataFromTitle( wfGetDB( DB_MASTER
), $this->mTitle
);
386 // No idea from where the caller got this data, assume slave database.
388 $from = self
::READ_NORMAL
;
391 $this->loadFromRow( $data, $from );
395 * Load the object from a database row
398 * @param object $data Database row containing at least fields returned by selectFields()
399 * @param string|int $from One of the following:
400 * - "fromdb" or WikiPage::READ_NORMAL if the data comes from a slave DB
401 * - "fromdbmaster" or WikiPage::READ_LATEST if the data comes from the master DB
402 * - "forupdate" or WikiPage::READ_LOCKING if the data comes from from
403 * the master DB using SELECT FOR UPDATE
405 public function loadFromRow( $data, $from ) {
406 $lc = LinkCache
::singleton();
407 $lc->clearLink( $this->mTitle
);
410 $lc->addGoodLinkObjFromRow( $this->mTitle
, $data );
412 $this->mTitle
->loadFromRow( $data );
414 // Old-fashioned restrictions
415 $this->mTitle
->loadRestrictions( $data->page_restrictions
);
417 $this->mId
= intval( $data->page_id
);
418 $this->mCounter
= intval( $data->page_counter
);
419 $this->mTouched
= wfTimestamp( TS_MW
, $data->page_touched
);
420 $this->mLinksUpdated
= wfTimestampOrNull( TS_MW
, $data->page_links_updated
);
421 $this->mIsRedirect
= intval( $data->page_is_redirect
);
422 $this->mLatest
= intval( $data->page_latest
);
423 // Bug 37225: $latest may no longer match the cached latest Revision object.
424 // Double-check the ID of any cached latest Revision object for consistency.
425 if ( $this->mLastRevision
&& $this->mLastRevision
->getId() != $this->mLatest
) {
426 $this->mLastRevision
= null;
427 $this->mTimestamp
= '';
430 $lc->addBadLinkObj( $this->mTitle
);
432 $this->mTitle
->loadFromRow( false );
434 $this->clearCacheFields();
439 $this->mDataLoaded
= true;
440 $this->mDataLoadedFrom
= self
::convertSelectType( $from );
444 * @return int Page ID
446 public function getId() {
447 if ( !$this->mDataLoaded
) {
448 $this->loadPageData();
454 * @return bool Whether or not the page exists in the database
456 public function exists() {
457 if ( !$this->mDataLoaded
) {
458 $this->loadPageData();
460 return $this->mId
> 0;
464 * Check if this page is something we're going to be showing
465 * some sort of sensible content for. If we return false, page
466 * views (plain action=view) will return an HTTP 404 response,
467 * so spiders and robots can know they're following a bad link.
471 public function hasViewableContent() {
472 return $this->exists() ||
$this->mTitle
->isAlwaysKnown();
476 * @return int The view count for the page
478 public function getCount() {
479 if ( !$this->mDataLoaded
) {
480 $this->loadPageData();
483 return $this->mCounter
;
487 * Tests if the article content represents a redirect
491 public function isRedirect() {
492 $content = $this->getContent();
497 return $content->isRedirect();
501 * Returns the page's content model id (see the CONTENT_MODEL_XXX constants).
503 * Will use the revisions actual content model if the page exists,
504 * and the page's default if the page doesn't exist yet.
510 public function getContentModel() {
511 if ( $this->exists() ) {
512 // look at the revision's actual content model
513 $rev = $this->getRevision();
515 if ( $rev !== null ) {
516 return $rev->getContentModel();
518 $title = $this->mTitle
->getPrefixedDBkey();
519 wfWarn( "Page $title exists but has no (visible) revisions!" );
523 // use the default model for this page
524 return $this->mTitle
->getContentModel();
528 * Loads page_touched and returns a value indicating if it should be used
529 * @return bool true if not a redirect
531 public function checkTouched() {
532 if ( !$this->mDataLoaded
) {
533 $this->loadPageData();
535 return !$this->mIsRedirect
;
539 * Get the page_touched field
540 * @return string Containing GMT timestamp
542 public function getTouched() {
543 if ( !$this->mDataLoaded
) {
544 $this->loadPageData();
546 return $this->mTouched
;
550 * Get the page_links_updated field
551 * @return string|null Containing GMT timestamp
553 public function getLinksTimestamp() {
554 if ( !$this->mDataLoaded
) {
555 $this->loadPageData();
557 return $this->mLinksUpdated
;
561 * Get the page_latest field
562 * @return int rev_id of current revision
564 public function getLatest() {
565 if ( !$this->mDataLoaded
) {
566 $this->loadPageData();
568 return (int)$this->mLatest
;
572 * Get the Revision object of the oldest revision
573 * @return Revision|null
575 public function getOldestRevision() {
576 wfProfileIn( __METHOD__
);
578 // Try using the slave database first, then try the master
580 $db = wfGetDB( DB_SLAVE
);
581 $revSelectFields = Revision
::selectFields();
584 while ( $continue ) {
585 $row = $db->selectRow(
586 array( 'page', 'revision' ),
589 'page_namespace' => $this->mTitle
->getNamespace(),
590 'page_title' => $this->mTitle
->getDBkey(),
595 'ORDER BY' => 'rev_timestamp ASC'
602 $db = wfGetDB( DB_MASTER
);
607 wfProfileOut( __METHOD__
);
608 return $row ? Revision
::newFromRow( $row ) : null;
612 * Loads everything except the text
613 * This isn't necessary for all uses, so it's only done if needed.
615 protected function loadLastEdit() {
616 if ( $this->mLastRevision
!== null ) {
617 return; // already loaded
620 $latest = $this->getLatest();
622 return; // page doesn't exist or is missing page_latest info
625 // Bug 37225: if session S1 loads the page row FOR UPDATE, the result always includes the
626 // latest changes committed. This is true even within REPEATABLE-READ transactions, where
627 // S1 normally only sees changes committed before the first S1 SELECT. Thus we need S1 to
628 // also gets the revision row FOR UPDATE; otherwise, it may not find it since a page row
629 // UPDATE and revision row INSERT by S2 may have happened after the first S1 SELECT.
630 // http://dev.mysql.com/doc/refman/5.0/en/set-transaction.html#isolevel_repeatable-read.
631 $flags = ( $this->mDataLoadedFrom
== self
::READ_LOCKING
) ? Revision
::READ_LOCKING
: 0;
632 $revision = Revision
::newFromPageId( $this->getId(), $latest, $flags );
633 if ( $revision ) { // sanity
634 $this->setLastEdit( $revision );
639 * Set the latest revision
640 * @param Revision $revision
642 protected function setLastEdit( Revision
$revision ) {
643 $this->mLastRevision
= $revision;
644 $this->mTimestamp
= $revision->getTimestamp();
648 * Get the latest revision
649 * @return Revision|null
651 public function getRevision() {
652 $this->loadLastEdit();
653 if ( $this->mLastRevision
) {
654 return $this->mLastRevision
;
660 * Get the content of the current revision. No side-effects...
662 * @param int $audience int One of:
663 * Revision::FOR_PUBLIC to be displayed to all users
664 * Revision::FOR_THIS_USER to be displayed to $wgUser
665 * Revision::RAW get the text regardless of permissions
666 * @param User $user User object to check for, only if FOR_THIS_USER is passed
667 * to the $audience parameter
668 * @return Content|null The content of the current revision
672 public function getContent( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
673 $this->loadLastEdit();
674 if ( $this->mLastRevision
) {
675 return $this->mLastRevision
->getContent( $audience, $user );
681 * Get the text of the current revision. No side-effects...
683 * @param int $audience One of:
684 * Revision::FOR_PUBLIC to be displayed to all users
685 * Revision::FOR_THIS_USER to be displayed to the given user
686 * Revision::RAW get the text regardless of permissions
687 * @param User $user User object to check for, only if FOR_THIS_USER is passed
688 * to the $audience parameter
689 * @return string|bool The text of the current revision
690 * @deprecated since 1.21, getContent() should be used instead.
692 public function getText( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
693 ContentHandler
::deprecated( __METHOD__
, '1.21' );
695 $this->loadLastEdit();
696 if ( $this->mLastRevision
) {
697 return $this->mLastRevision
->getText( $audience, $user );
703 * Get the text of the current revision. No side-effects...
705 * @return string|bool The text of the current revision. False on failure
706 * @deprecated since 1.21, getContent() should be used instead.
708 public function getRawText() {
709 ContentHandler
::deprecated( __METHOD__
, '1.21' );
711 return $this->getText( Revision
::RAW
);
715 * @return string MW timestamp of last article revision
717 public function getTimestamp() {
718 // Check if the field has been filled by WikiPage::setTimestamp()
719 if ( !$this->mTimestamp
) {
720 $this->loadLastEdit();
723 return wfTimestamp( TS_MW
, $this->mTimestamp
);
727 * Set the page timestamp (use only to avoid DB queries)
728 * @param string $ts MW timestamp of last article revision
731 public function setTimestamp( $ts ) {
732 $this->mTimestamp
= wfTimestamp( TS_MW
, $ts );
736 * @param int $audience One of:
737 * Revision::FOR_PUBLIC to be displayed to all users
738 * Revision::FOR_THIS_USER to be displayed to the given user
739 * Revision::RAW get the text regardless of permissions
740 * @param User $user User object to check for, only if FOR_THIS_USER is passed
741 * to the $audience parameter
742 * @return int user ID for the user that made the last article revision
744 public function getUser( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
745 $this->loadLastEdit();
746 if ( $this->mLastRevision
) {
747 return $this->mLastRevision
->getUser( $audience, $user );
754 * Get the User object of the user who created the page
755 * @param int $audience One of:
756 * Revision::FOR_PUBLIC to be displayed to all users
757 * Revision::FOR_THIS_USER to be displayed to the given user
758 * Revision::RAW get the text regardless of permissions
759 * @param User $user User object to check for, only if FOR_THIS_USER is passed
760 * to the $audience parameter
763 public function getCreator( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
764 $revision = $this->getOldestRevision();
766 $userName = $revision->getUserText( $audience, $user );
767 return User
::newFromName( $userName, false );
774 * @param int $audience One of:
775 * Revision::FOR_PUBLIC to be displayed to all users
776 * Revision::FOR_THIS_USER to be displayed to the given user
777 * Revision::RAW get the text regardless of permissions
778 * @param User $user User object to check for, only if FOR_THIS_USER is passed
779 * to the $audience parameter
780 * @return string username of the user that made the last article revision
782 public function getUserText( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
783 $this->loadLastEdit();
784 if ( $this->mLastRevision
) {
785 return $this->mLastRevision
->getUserText( $audience, $user );
792 * @param int $audience One of:
793 * Revision::FOR_PUBLIC to be displayed to all users
794 * Revision::FOR_THIS_USER to be displayed to the given user
795 * Revision::RAW get the text regardless of permissions
796 * @param User $user User object to check for, only if FOR_THIS_USER is passed
797 * to the $audience parameter
798 * @return string Comment stored for the last article revision
800 public function getComment( $audience = Revision
::FOR_PUBLIC
, User
$user = null ) {
801 $this->loadLastEdit();
802 if ( $this->mLastRevision
) {
803 return $this->mLastRevision
->getComment( $audience, $user );
810 * Returns true if last revision was marked as "minor edit"
812 * @return bool Minor edit indicator for the last article revision.
814 public function getMinorEdit() {
815 $this->loadLastEdit();
816 if ( $this->mLastRevision
) {
817 return $this->mLastRevision
->isMinor();
824 * Get the cached timestamp for the last time the page changed.
825 * This is only used to help handle slave lag by comparing to page_touched.
826 * @return string MW timestamp
828 protected function getCachedLastEditTime() {
830 $key = wfMemcKey( 'page-lastedit', md5( $this->mTitle
->getPrefixedDBkey() ) );
831 return $wgMemc->get( $key );
835 * Set the cached timestamp for the last time the page changed.
836 * This is only used to help handle slave lag by comparing to page_touched.
837 * @param string $timestamp
840 public function setCachedLastEditTime( $timestamp ) {
842 $key = wfMemcKey( 'page-lastedit', md5( $this->mTitle
->getPrefixedDBkey() ) );
843 $wgMemc->set( $key, wfTimestamp( TS_MW
, $timestamp ), 60 * 15 );
847 * Determine whether a page would be suitable for being counted as an
848 * article in the site_stats table based on the title & its content
850 * @param object|bool $editInfo (false): object returned by prepareTextForEdit(),
851 * if false, the current database state will be used
854 public function isCountable( $editInfo = false ) {
855 global $wgArticleCountMethod;
857 if ( !$this->mTitle
->isContentPage() ) {
862 $content = $editInfo->pstContent
;
864 $content = $this->getContent();
867 if ( !$content ||
$content->isRedirect() ) {
873 if ( $wgArticleCountMethod === 'link' ) {
874 // nasty special case to avoid re-parsing to detect links
877 // ParserOutput::getLinks() is a 2D array of page links, so
878 // to be really correct we would need to recurse in the array
879 // but the main array should only have items in it if there are
881 $hasLinks = (bool)count( $editInfo->output
->getLinks() );
883 $hasLinks = (bool)wfGetDB( DB_SLAVE
)->selectField( 'pagelinks', 1,
884 array( 'pl_from' => $this->getId() ), __METHOD__
);
888 return $content->isCountable( $hasLinks );
892 * If this page is a redirect, get its target
894 * The target will be fetched from the redirect table if possible.
895 * If this page doesn't have an entry there, call insertRedirect()
896 * @return Title|null Title object, or null if this page is not a redirect
898 public function getRedirectTarget() {
899 if ( !$this->mTitle
->isRedirect() ) {
903 if ( $this->mRedirectTarget
!== null ) {
904 return $this->mRedirectTarget
;
907 // Query the redirect table
908 $dbr = wfGetDB( DB_SLAVE
);
909 $row = $dbr->selectRow( 'redirect',
910 array( 'rd_namespace', 'rd_title', 'rd_fragment', 'rd_interwiki' ),
911 array( 'rd_from' => $this->getId() ),
915 // rd_fragment and rd_interwiki were added later, populate them if empty
916 if ( $row && !is_null( $row->rd_fragment
) && !is_null( $row->rd_interwiki
) ) {
917 $this->mRedirectTarget
= Title
::makeTitle(
918 $row->rd_namespace
, $row->rd_title
,
919 $row->rd_fragment
, $row->rd_interwiki
);
920 return $this->mRedirectTarget
;
923 // This page doesn't have an entry in the redirect table
924 $this->mRedirectTarget
= $this->insertRedirect();
925 return $this->mRedirectTarget
;
929 * Insert an entry for this page into the redirect table.
931 * Don't call this function directly unless you know what you're doing.
932 * @return Title|null Title object or null if not a redirect
934 public function insertRedirect() {
935 // recurse through to only get the final target
936 $content = $this->getContent();
937 $retval = $content ?
$content->getUltimateRedirectTarget() : null;
941 $this->insertRedirectEntry( $retval );
946 * Insert or update the redirect table entry for this page to indicate
947 * it redirects to $rt .
948 * @param Title $rt Redirect target
950 public function insertRedirectEntry( $rt ) {
951 $dbw = wfGetDB( DB_MASTER
);
952 $dbw->replace( 'redirect', array( 'rd_from' ),
954 'rd_from' => $this->getId(),
955 'rd_namespace' => $rt->getNamespace(),
956 'rd_title' => $rt->getDBkey(),
957 'rd_fragment' => $rt->getFragment(),
958 'rd_interwiki' => $rt->getInterwiki(),
965 * Get the Title object or URL this page redirects to
967 * @return bool|Title|string false, Title of in-wiki target, or string with URL
969 public function followRedirect() {
970 return $this->getRedirectURL( $this->getRedirectTarget() );
974 * Get the Title object or URL to use for a redirect. We use Title
975 * objects for same-wiki, non-special redirects and URLs for everything
977 * @param Title $rt Redirect target
978 * @return bool|Title|string false, Title object of local target, or string with URL
980 public function getRedirectURL( $rt ) {
985 if ( $rt->isExternal() ) {
986 if ( $rt->isLocal() ) {
987 // Offsite wikis need an HTTP redirect.
989 // This can be hard to reverse and may produce loops,
990 // so they may be disabled in the site configuration.
991 $source = $this->mTitle
->getFullURL( 'redirect=no' );
992 return $rt->getFullURL( array( 'rdfrom' => $source ) );
994 // External pages pages without "local" bit set are not valid
1000 if ( $rt->isSpecialPage() ) {
1001 // Gotta handle redirects to special pages differently:
1002 // Fill the HTTP response "Location" header and ignore
1003 // the rest of the page we're on.
1005 // Some pages are not valid targets
1006 if ( $rt->isValidRedirectTarget() ) {
1007 return $rt->getFullURL();
1017 * Get a list of users who have edited this article, not including the user who made
1018 * the most recent revision, which you can get from $article->getUser() if you want it
1019 * @return UserArrayFromResult
1021 public function getContributors() {
1022 // @todo FIXME: This is expensive; cache this info somewhere.
1024 $dbr = wfGetDB( DB_SLAVE
);
1026 if ( $dbr->implicitGroupby() ) {
1027 $realNameField = 'user_real_name';
1029 $realNameField = 'MIN(user_real_name) AS user_real_name';
1032 $tables = array( 'revision', 'user' );
1035 'user_id' => 'rev_user',
1036 'user_name' => 'rev_user_text',
1038 'timestamp' => 'MAX(rev_timestamp)',
1041 $conds = array( 'rev_page' => $this->getId() );
1043 // The user who made the top revision gets credited as "this page was last edited by
1044 // John, based on contributions by Tom, Dick and Harry", so don't include them twice.
1045 $user = $this->getUser();
1047 $conds[] = "rev_user != $user";
1049 $conds[] = "rev_user_text != {$dbr->addQuotes( $this->getUserText() )}";
1052 $conds[] = "{$dbr->bitAnd( 'rev_deleted', Revision::DELETED_USER )} = 0"; // username hidden?
1055 'user' => array( 'LEFT JOIN', 'rev_user = user_id' ),
1059 'GROUP BY' => array( 'rev_user', 'rev_user_text' ),
1060 'ORDER BY' => 'timestamp DESC',
1063 $res = $dbr->select( $tables, $fields, $conds, __METHOD__
, $options, $jconds );
1064 return new UserArrayFromResult( $res );
1068 * Get the last N authors
1069 * @param int $num Number of revisions to get
1070 * @param int|string $revLatest The latest rev_id, selected from the master (optional)
1071 * @return array Array of authors, duplicates not removed
1073 public function getLastNAuthors( $num, $revLatest = 0 ) {
1074 wfProfileIn( __METHOD__
);
1075 // First try the slave
1076 // If that doesn't have the latest revision, try the master
1078 $db = wfGetDB( DB_SLAVE
);
1081 $res = $db->select( array( 'page', 'revision' ),
1082 array( 'rev_id', 'rev_user_text' ),
1084 'page_namespace' => $this->mTitle
->getNamespace(),
1085 'page_title' => $this->mTitle
->getDBkey(),
1086 'rev_page = page_id'
1089 'ORDER BY' => 'rev_timestamp DESC',
1095 wfProfileOut( __METHOD__
);
1099 $row = $db->fetchObject( $res );
1101 if ( $continue == 2 && $revLatest && $row->rev_id
!= $revLatest ) {
1102 $db = wfGetDB( DB_MASTER
);
1107 } while ( $continue );
1109 $authors = array( $row->rev_user_text
);
1111 foreach ( $res as $row ) {
1112 $authors[] = $row->rev_user_text
;
1115 wfProfileOut( __METHOD__
);
1120 * Should the parser cache be used?
1122 * @param ParserOptions $parserOptions ParserOptions to check
1126 public function isParserCacheUsed( ParserOptions
$parserOptions, $oldid ) {
1127 global $wgEnableParserCache;
1129 return $wgEnableParserCache
1130 && $parserOptions->getStubThreshold() == 0
1132 && ( $oldid === null ||
$oldid === 0 ||
$oldid === $this->getLatest() )
1133 && $this->getContentHandler()->isParserCacheSupported();
1137 * Get a ParserOutput for the given ParserOptions and revision ID.
1138 * The parser cache will be used if possible.
1141 * @param ParserOptions $parserOptions ParserOptions to use for the parse operation
1142 * @param null|int $oldid Revision ID to get the text from, passing null or 0 will
1143 * get the current revision (default value)
1145 * @return ParserOutput|bool ParserOutput or false if the revision was not found
1147 public function getParserOutput( ParserOptions
$parserOptions, $oldid = null ) {
1148 wfProfileIn( __METHOD__
);
1150 $useParserCache = $this->isParserCacheUsed( $parserOptions, $oldid );
1151 wfDebug( __METHOD__
. ': using parser cache: ' . ( $useParserCache ?
'yes' : 'no' ) . "\n" );
1152 if ( $parserOptions->getStubThreshold() ) {
1153 wfIncrStats( 'pcache_miss_stub' );
1156 if ( $useParserCache ) {
1157 $parserOutput = ParserCache
::singleton()->get( $this, $parserOptions );
1158 if ( $parserOutput !== false ) {
1159 wfProfileOut( __METHOD__
);
1160 return $parserOutput;
1164 if ( $oldid === null ||
$oldid === 0 ) {
1165 $oldid = $this->getLatest();
1168 $pool = new PoolWorkArticleView( $this, $parserOptions, $oldid, $useParserCache );
1171 wfProfileOut( __METHOD__
);
1173 return $pool->getParserOutput();
1177 * Do standard deferred updates after page view (existing or missing page)
1178 * @param User $user The relevant user
1179 * @param int $oldid The revision id being viewed. If not given or 0, latest revision is assumed.
1181 public function doViewUpdates( User
$user, $oldid = 0 ) {
1182 global $wgDisableCounters;
1183 if ( wfReadOnly() ) {
1187 // Don't update page view counters on views from bot users (bug 14044)
1188 if ( !$wgDisableCounters && !$user->isAllowed( 'bot' ) && $this->exists() ) {
1189 DeferredUpdates
::addUpdate( new ViewCountUpdate( $this->getId() ) );
1190 DeferredUpdates
::addUpdate( new SiteStatsUpdate( 1, 0, 0 ) );
1193 // Update newtalk / watchlist notification status
1194 $user->clearNotification( $this->mTitle
, $oldid );
1198 * Perform the actions of a page purging
1201 public function doPurge() {
1204 if ( !wfRunHooks( 'ArticlePurge', array( &$this ) ) ) {
1208 // Invalidate the cache
1209 $this->mTitle
->invalidateCache();
1211 if ( $wgUseSquid ) {
1212 // Commit the transaction before the purge is sent
1213 $dbw = wfGetDB( DB_MASTER
);
1214 $dbw->commit( __METHOD__
);
1217 $update = SquidUpdate
::newSimplePurge( $this->mTitle
);
1218 $update->doUpdate();
1221 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
1222 // @todo move this logic to MessageCache
1224 if ( $this->exists() ) {
1225 // NOTE: use transclusion text for messages.
1226 // This is consistent with MessageCache::getMsgFromNamespace()
1228 $content = $this->getContent();
1229 $text = $content === null ?
null : $content->getWikitextForTransclusion();
1231 if ( $text === null ) {
1238 MessageCache
::singleton()->replace( $this->mTitle
->getDBkey(), $text );
1244 * Insert a new empty page record for this article.
1245 * This *must* be followed up by creating a revision
1246 * and running $this->updateRevisionOn( ... );
1247 * or else the record will be left in a funky state.
1248 * Best if all done inside a transaction.
1250 * @param DatabaseBase $dbw
1251 * @return int The newly created page_id key, or false if the title already existed
1253 public function insertOn( $dbw ) {
1254 wfProfileIn( __METHOD__
);
1256 $page_id = $dbw->nextSequenceValue( 'page_page_id_seq' );
1257 $dbw->insert( 'page', array(
1258 'page_id' => $page_id,
1259 'page_namespace' => $this->mTitle
->getNamespace(),
1260 'page_title' => $this->mTitle
->getDBkey(),
1261 'page_counter' => 0,
1262 'page_restrictions' => '',
1263 'page_is_redirect' => 0, // Will set this shortly...
1265 'page_random' => wfRandom(),
1266 'page_touched' => $dbw->timestamp(),
1267 'page_latest' => 0, // Fill this in shortly...
1268 'page_len' => 0, // Fill this in shortly...
1269 ), __METHOD__
, 'IGNORE' );
1271 $affected = $dbw->affectedRows();
1274 $newid = $dbw->insertId();
1275 $this->mId
= $newid;
1276 $this->mTitle
->resetArticleID( $newid );
1278 wfProfileOut( __METHOD__
);
1280 return $affected ?
$newid : false;
1284 * Update the page record to point to a newly saved revision.
1286 * @param DatabaseBase $dbw
1287 * @param Revision $revision For ID number, and text used to set
1288 * length and redirect status fields
1289 * @param int $lastRevision If given, will not overwrite the page field
1290 * when different from the currently set value.
1291 * Giving 0 indicates the new page flag should be set on.
1292 * @param bool $lastRevIsRedirect If given, will optimize adding and
1293 * removing rows in redirect table.
1294 * @return bool true on success, false on failure
1296 public function updateRevisionOn( $dbw, $revision, $lastRevision = null,
1297 $lastRevIsRedirect = null
1299 global $wgContentHandlerUseDB;
1301 wfProfileIn( __METHOD__
);
1303 $content = $revision->getContent();
1304 $len = $content ?
$content->getSize() : 0;
1305 $rt = $content ?
$content->getUltimateRedirectTarget() : null;
1307 $conditions = array( 'page_id' => $this->getId() );
1309 if ( !is_null( $lastRevision ) ) {
1310 // An extra check against threads stepping on each other
1311 $conditions['page_latest'] = $lastRevision;
1314 $now = wfTimestampNow();
1315 $row = array( /* SET */
1316 'page_latest' => $revision->getId(),
1317 'page_touched' => $dbw->timestamp( $now ),
1318 'page_is_new' => ( $lastRevision === 0 ) ?
1 : 0,
1319 'page_is_redirect' => $rt !== null ?
1 : 0,
1323 if ( $wgContentHandlerUseDB ) {
1324 $row['page_content_model'] = $revision->getContentModel();
1327 $dbw->update( 'page',
1332 $result = $dbw->affectedRows() > 0;
1334 $this->updateRedirectOn( $dbw, $rt, $lastRevIsRedirect );
1335 $this->setLastEdit( $revision );
1336 $this->setCachedLastEditTime( $now );
1337 $this->mLatest
= $revision->getId();
1338 $this->mIsRedirect
= (bool)$rt;
1339 // Update the LinkCache.
1340 LinkCache
::singleton()->addGoodLinkObj( $this->getId(), $this->mTitle
, $len, $this->mIsRedirect
,
1341 $this->mLatest
, $revision->getContentModel() );
1344 wfProfileOut( __METHOD__
);
1349 * Add row to the redirect table if this is a redirect, remove otherwise.
1351 * @param DatabaseBase $dbw
1352 * @param Title $redirectTitle Title object pointing to the redirect target,
1353 * or NULL if this is not a redirect
1354 * @param null|bool $lastRevIsRedirect If given, will optimize adding and
1355 * removing rows in redirect table.
1356 * @return bool true on success, false on failure
1359 public function updateRedirectOn( $dbw, $redirectTitle, $lastRevIsRedirect = null ) {
1360 // Always update redirects (target link might have changed)
1361 // Update/Insert if we don't know if the last revision was a redirect or not
1362 // Delete if changing from redirect to non-redirect
1363 $isRedirect = !is_null( $redirectTitle );
1365 if ( !$isRedirect && $lastRevIsRedirect === false ) {
1369 wfProfileIn( __METHOD__
);
1370 if ( $isRedirect ) {
1371 $this->insertRedirectEntry( $redirectTitle );
1373 // This is not a redirect, remove row from redirect table
1374 $where = array( 'rd_from' => $this->getId() );
1375 $dbw->delete( 'redirect', $where, __METHOD__
);
1378 if ( $this->getTitle()->getNamespace() == NS_FILE
) {
1379 RepoGroup
::singleton()->getLocalRepo()->invalidateImageRedirect( $this->getTitle() );
1381 wfProfileOut( __METHOD__
);
1383 return ( $dbw->affectedRows() != 0 );
1387 * If the given revision is newer than the currently set page_latest,
1388 * update the page record. Otherwise, do nothing.
1390 * @deprecated since 1.24, use updateRevisionOn instead
1392 * @param DatabaseBase $dbw
1393 * @param Revision $revision
1396 public function updateIfNewerOn( $dbw, $revision ) {
1397 wfProfileIn( __METHOD__
);
1399 $row = $dbw->selectRow(
1400 array( 'revision', 'page' ),
1401 array( 'rev_id', 'rev_timestamp', 'page_is_redirect' ),
1403 'page_id' => $this->getId(),
1404 'page_latest=rev_id' ),
1408 if ( wfTimestamp( TS_MW
, $row->rev_timestamp
) >= $revision->getTimestamp() ) {
1409 wfProfileOut( __METHOD__
);
1412 $prev = $row->rev_id
;
1413 $lastRevIsRedirect = (bool)$row->page_is_redirect
;
1415 // No or missing previous revision; mark the page as new
1417 $lastRevIsRedirect = null;
1420 $ret = $this->updateRevisionOn( $dbw, $revision, $prev, $lastRevIsRedirect );
1422 wfProfileOut( __METHOD__
);
1427 * Get the content that needs to be saved in order to undo all revisions
1428 * between $undo and $undoafter. Revisions must belong to the same page,
1429 * must exist and must not be deleted
1430 * @param Revision $undo
1431 * @param Revision $undoafter Must be an earlier revision than $undo
1432 * @return mixed string on success, false on failure
1434 * Before we had the Content object, this was done in getUndoText
1436 public function getUndoContent( Revision
$undo, Revision
$undoafter = null ) {
1437 $handler = $undo->getContentHandler();
1438 return $handler->getUndoContent( $this->getRevision(), $undo, $undoafter );
1442 * Get the text that needs to be saved in order to undo all revisions
1443 * between $undo and $undoafter. Revisions must belong to the same page,
1444 * must exist and must not be deleted
1445 * @param Revision $undo
1446 * @param Revision $undoafter Must be an earlier revision than $undo
1447 * @return string|bool string on success, false on failure
1448 * @deprecated since 1.21: use ContentHandler::getUndoContent() instead.
1450 public function getUndoText( Revision
$undo, Revision
$undoafter = null ) {
1451 ContentHandler
::deprecated( __METHOD__
, '1.21' );
1453 $this->loadLastEdit();
1455 if ( $this->mLastRevision
) {
1456 if ( is_null( $undoafter ) ) {
1457 $undoafter = $undo->getPrevious();
1460 $handler = $this->getContentHandler();
1461 $undone = $handler->getUndoContent( $this->mLastRevision
, $undo, $undoafter );
1466 return ContentHandler
::getContentText( $undone );
1474 * @param string|null|bool $section Null/false, a section number (0, 1, 2, T1, T2, ...) or "new".
1475 * @param string $text New text of the section.
1476 * @param string $sectionTitle New section's subject, only if $section is "new".
1477 * @param string $edittime Revision timestamp or null to use the current revision.
1479 * @throws MWException
1480 * @return string New complete article text, or null if error.
1482 * @deprecated since 1.21, use replaceSectionContent() instead
1484 public function replaceSection( $section, $text, $sectionTitle = '',
1487 ContentHandler
::deprecated( __METHOD__
, '1.21' );
1489 //NOTE: keep condition in sync with condition in replaceSectionContent!
1490 if ( strval( $section ) == '' ) {
1491 // Whole-page edit; let the whole text through
1495 if ( !$this->supportsSections() ) {
1496 throw new MWException( "sections not supported for content model " .
1497 $this->getContentHandler()->getModelID() );
1500 // could even make section title, but that's not required.
1501 $sectionContent = ContentHandler
::makeContent( $text, $this->getTitle() );
1503 $newContent = $this->replaceSectionContent( $section, $sectionContent, $sectionTitle,
1506 return ContentHandler
::getContentText( $newContent );
1510 * Returns true if this page's content model supports sections.
1514 * @todo The skin should check this and not offer section functionality if
1515 * sections are not supported.
1516 * @todo The EditPage should check this and not offer section functionality
1517 * if sections are not supported.
1519 public function supportsSections() {
1520 return $this->getContentHandler()->supportsSections();
1524 * @param string|null|bool $section Null/false, a section number (0, 1, 2, T1, T2, ...) or "new".
1525 * @param Content $sectionContent New content of the section.
1526 * @param string $sectionTitle New section's subject, only if $section is "new".
1527 * @param string $edittime Revision timestamp or null to use the current revision.
1529 * @throws MWException
1530 * @return Content New complete article content, or null if error.
1533 * @deprecated since 1.24, use replaceSectionAtRev instead
1535 public function replaceSectionContent( $section, Content
$sectionContent, $sectionTitle = '',
1536 $edittime = null ) {
1537 wfProfileIn( __METHOD__
);
1540 if ( $edittime && $section !== 'new' ) {
1541 $dbw = wfGetDB( DB_MASTER
);
1542 $rev = Revision
::loadFromTimestamp( $dbw, $this->mTitle
, $edittime );
1544 wfDebug( __METHOD__
. " given bad revision time for page " .
1545 $this->getId() . "; edittime: $edittime)\n" );
1546 wfProfileOut( __METHOD__
);
1549 $baseRevId = $rev->getId();
1552 wfProfileOut( __METHOD__
);
1553 return $this->replaceSectionAtRev( $section, $sectionContent, $sectionTitle, $baseRevId );
1557 * @param string|null|bool $section Null/false, a section number (0, 1, 2, T1, T2, ...) or "new".
1558 * @param Content $sectionContent New content of the section.
1559 * @param string $sectionTitle New section's subject, only if $section is "new".
1560 * @param string $baseRevId integer|null
1562 * @throws MWException
1563 * @return Content New complete article content, or null if error.
1567 public function replaceSectionAtRev( $section, Content
$sectionContent,
1568 $sectionTitle = '', $baseRevId = null
1570 wfProfileIn( __METHOD__
);
1572 if ( strval( $section ) == '' ) {
1573 // Whole-page edit; let the whole text through
1574 $newContent = $sectionContent;
1576 if ( !$this->supportsSections() ) {
1577 wfProfileOut( __METHOD__
);
1578 throw new MWException( "sections not supported for content model " .
1579 $this->getContentHandler()->getModelID() );
1582 // Bug 30711: always use current version when adding a new section
1583 if ( is_null( $baseRevId ) ||
$section == 'new' ) {
1584 $oldContent = $this->getContent();
1586 // TODO: try DB_READ first
1587 $dbw = wfGetDB( DB_MASTER
);
1588 $rev = Revision
::loadFromId( $dbw, $baseRevId );
1591 wfDebug( "WikiPage::replaceSection asked for bogus section (page: " .
1592 $this->getId() . "; section: $section; edittime: $edittime)\n" );
1593 wfProfileOut( __METHOD__
);
1597 $oldContent = $rev->getContent();
1600 if ( ! $oldContent ) {
1601 wfDebug( __METHOD__
. ": no page text\n" );
1602 wfProfileOut( __METHOD__
);
1606 // FIXME: $oldContent might be null?
1607 $newContent = $oldContent->replaceSection( $section, $sectionContent, $sectionTitle );
1610 wfProfileOut( __METHOD__
);
1615 * Check flags and add EDIT_NEW or EDIT_UPDATE to them as needed.
1617 * @return int Updated $flags
1619 public function checkFlags( $flags ) {
1620 if ( !( $flags & EDIT_NEW
) && !( $flags & EDIT_UPDATE
) ) {
1621 if ( $this->exists() ) {
1622 $flags |
= EDIT_UPDATE
;
1632 * Change an existing article or create a new article. Updates RC and all necessary caches,
1633 * optionally via the deferred update array.
1635 * @param string $text New text
1636 * @param string $summary Edit summary
1637 * @param int $flags Bitfield:
1639 * Article is known or assumed to be non-existent, create a new one
1641 * Article is known or assumed to be pre-existing, update it
1643 * Mark this edit minor, if the user is allowed to do so
1645 * Do not log the change in recentchanges
1647 * Mark the edit a "bot" edit regardless of user rights
1648 * EDIT_DEFER_UPDATES
1649 * Defer some of the updates until the end of index.php
1651 * Fill in blank summaries with generated text where possible
1653 * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the
1654 * article will be detected. If EDIT_UPDATE is specified and the article
1655 * doesn't exist, the function will return an edit-gone-missing error. If
1656 * EDIT_NEW is specified and the article does exist, an edit-already-exists
1657 * error will be returned. These two conditions are also possible with
1658 * auto-detection due to MediaWiki's performance-optimised locking strategy.
1660 * @param bool|int $baseRevId The revision ID this edit was based off, if any
1661 * @param User $user The user doing the edit
1663 * @throws MWException
1664 * @return Status object. Possible errors:
1665 * edit-hook-aborted: The ArticleSave hook aborted the edit but didn't
1666 * set the fatal flag of $status
1667 * edit-gone-missing: In update mode, but the article didn't exist.
1668 * edit-conflict: In update mode, the article changed unexpectedly.
1669 * edit-no-change: Warning that the text was the same as before.
1670 * edit-already-exists: In creation mode, but the article already exists.
1672 * Extensions may define additional errors.
1674 * $return->value will contain an associative array with members as follows:
1675 * new: Boolean indicating if the function attempted to create a new article.
1676 * revision: The revision object for the inserted revision, or null.
1678 * Compatibility note: this function previously returned a boolean value
1679 * indicating success/failure
1681 * @deprecated since 1.21: use doEditContent() instead.
1683 public function doEdit( $text, $summary, $flags = 0, $baseRevId = false, $user = null ) {
1684 ContentHandler
::deprecated( __METHOD__
, '1.21' );
1686 $content = ContentHandler
::makeContent( $text, $this->getTitle() );
1688 return $this->doEditContent( $content, $summary, $flags, $baseRevId, $user );
1692 * Change an existing article or create a new article. Updates RC and all necessary caches,
1693 * optionally via the deferred update array.
1695 * @param Content $content New content
1696 * @param string $summary Edit summary
1697 * @param int $flags Bitfield:
1699 * Article is known or assumed to be non-existent, create a new one
1701 * Article is known or assumed to be pre-existing, update it
1703 * Mark this edit minor, if the user is allowed to do so
1705 * Do not log the change in recentchanges
1707 * Mark the edit a "bot" edit regardless of user rights
1708 * EDIT_DEFER_UPDATES
1709 * Defer some of the updates until the end of index.php
1711 * Fill in blank summaries with generated text where possible
1713 * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the
1714 * article will be detected. If EDIT_UPDATE is specified and the article
1715 * doesn't exist, the function will return an edit-gone-missing error. If
1716 * EDIT_NEW is specified and the article does exist, an edit-already-exists
1717 * error will be returned. These two conditions are also possible with
1718 * auto-detection due to MediaWiki's performance-optimised locking strategy.
1720 * @param bool|int $baseRevId The revision ID this edit was based off, if any
1721 * @param User $user The user doing the edit
1722 * @param string $serialisation_format Format for storing the content in the
1725 * @throws MWException
1726 * @return Status object. Possible errors:
1727 * edit-hook-aborted: The ArticleSave hook aborted the edit but didn't
1728 * set the fatal flag of $status.
1729 * edit-gone-missing: In update mode, but the article didn't exist.
1730 * edit-conflict: In update mode, the article changed unexpectedly.
1731 * edit-no-change: Warning that the text was the same as before.
1732 * edit-already-exists: In creation mode, but the article already exists.
1734 * Extensions may define additional errors.
1736 * $return->value will contain an associative array with members as follows:
1737 * new: Boolean indicating if the function attempted to create a new article.
1738 * revision: The revision object for the inserted revision, or null.
1742 public function doEditContent( Content
$content, $summary, $flags = 0, $baseRevId = false,
1743 User
$user = null, $serialisation_format = null
1745 global $wgUser, $wgUseAutomaticEditSummaries, $wgUseRCPatrol, $wgUseNPPatrol;
1747 // Low-level sanity check
1748 if ( $this->mTitle
->getText() === '' ) {
1749 throw new MWException( 'Something is trying to edit an article with an empty title' );
1752 wfProfileIn( __METHOD__
);
1754 if ( !$content->getContentHandler()->canBeUsedOn( $this->getTitle() ) ) {
1755 wfProfileOut( __METHOD__
);
1756 return Status
::newFatal( 'content-not-allowed-here',
1757 ContentHandler
::getLocalizedName( $content->getModel() ),
1758 $this->getTitle()->getPrefixedText() );
1761 $user = is_null( $user ) ?
$wgUser : $user;
1762 $status = Status
::newGood( array() );
1764 // Load the data from the master database if needed.
1765 // The caller may already loaded it from the master or even loaded it using
1766 // SELECT FOR UPDATE, so do not override that using clear().
1767 $this->loadPageData( 'fromdbmaster' );
1769 $flags = $this->checkFlags( $flags );
1772 $hook_args = array( &$this, &$user, &$content, &$summary,
1773 $flags & EDIT_MINOR
, null, null, &$flags, &$status );
1775 if ( !wfRunHooks( 'PageContentSave', $hook_args )
1776 ||
!ContentHandler
::runLegacyHooks( 'ArticleSave', $hook_args ) ) {
1778 wfDebug( __METHOD__
. ": ArticleSave or ArticleSaveContent hook aborted save!\n" );
1780 if ( $status->isOK() ) {
1781 $status->fatal( 'edit-hook-aborted' );
1784 wfProfileOut( __METHOD__
);
1788 // Silently ignore EDIT_MINOR if not allowed
1789 $isminor = ( $flags & EDIT_MINOR
) && $user->isAllowed( 'minoredit' );
1790 $bot = $flags & EDIT_FORCE_BOT
;
1792 $old_content = $this->getContent( Revision
::RAW
); // current revision's content
1794 $oldsize = $old_content ?
$old_content->getSize() : 0;
1795 $oldid = $this->getLatest();
1796 $oldIsRedirect = $this->isRedirect();
1797 $oldcountable = $this->isCountable();
1799 $handler = $content->getContentHandler();
1801 // Provide autosummaries if one is not provided and autosummaries are enabled.
1802 if ( $wgUseAutomaticEditSummaries && $flags & EDIT_AUTOSUMMARY
&& $summary == '' ) {
1803 if ( !$old_content ) {
1804 $old_content = null;
1806 $summary = $handler->getAutosummary( $old_content, $content, $flags );
1809 $editInfo = $this->prepareContentForEdit( $content, null, $user, $serialisation_format );
1810 $serialized = $editInfo->pst
;
1813 * @var Content $content
1815 $content = $editInfo->pstContent
;
1816 $newsize = $content->getSize();
1818 $dbw = wfGetDB( DB_MASTER
);
1819 $now = wfTimestampNow();
1820 $this->mTimestamp
= $now;
1822 if ( $flags & EDIT_UPDATE
) {
1823 // Update article, but only if changed.
1824 $status->value
['new'] = false;
1827 // Article gone missing
1828 wfDebug( __METHOD__
. ": EDIT_UPDATE specified but article doesn't exist\n" );
1829 $status->fatal( 'edit-gone-missing' );
1831 wfProfileOut( __METHOD__
);
1833 } elseif ( !$old_content ) {
1834 // Sanity check for bug 37225
1835 wfProfileOut( __METHOD__
);
1836 throw new MWException( "Could not find text for current revision {$oldid}." );
1839 $revision = new Revision( array(
1840 'page' => $this->getId(),
1841 'title' => $this->getTitle(), // for determining the default content model
1842 'comment' => $summary,
1843 'minor_edit' => $isminor,
1844 'text' => $serialized,
1846 'parent_id' => $oldid,
1847 'user' => $user->getId(),
1848 'user_text' => $user->getName(),
1849 'timestamp' => $now,
1850 'content_model' => $content->getModel(),
1851 'content_format' => $serialisation_format,
1852 ) ); // XXX: pass content object?!
1854 $changed = !$content->equals( $old_content );
1857 if ( !$content->isValid() ) {
1858 wfProfileOut( __METHOD__
);
1859 throw new MWException( "New content failed validity check!" );
1862 $dbw->begin( __METHOD__
);
1865 $prepStatus = $content->prepareSave( $this, $flags, $baseRevId, $user );
1866 $status->merge( $prepStatus );
1868 if ( !$status->isOK() ) {
1869 $dbw->rollback( __METHOD__
);
1871 wfProfileOut( __METHOD__
);
1874 $revisionId = $revision->insertOn( $dbw );
1878 // We check for conflicts by comparing $oldid with the current latest revision ID.
1879 $ok = $this->updateRevisionOn( $dbw, $revision, $oldid, $oldIsRedirect );
1882 // Belated edit conflict! Run away!!
1883 $status->fatal( 'edit-conflict' );
1885 $dbw->rollback( __METHOD__
);
1887 wfProfileOut( __METHOD__
);
1891 wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $revision, $baseRevId, $user ) );
1892 // Update recentchanges
1893 if ( !( $flags & EDIT_SUPPRESS_RC
) ) {
1894 // Mark as patrolled if the user can do so
1895 $patrolled = $wgUseRCPatrol && !count(
1896 $this->mTitle
->getUserPermissionsErrors( 'autopatrol', $user ) );
1897 // Add RC row to the DB
1898 $rc = RecentChange
::notifyEdit( $now, $this->mTitle
, $isminor, $user, $summary,
1899 $oldid, $this->getTimestamp(), $bot, '', $oldsize, $newsize,
1900 $revisionId, $patrolled
1903 // Log auto-patrolled edits
1905 PatrolLog
::record( $rc, true, $user );
1908 $user->incEditCount();
1909 } catch ( MWException
$e ) {
1910 $dbw->rollback( __METHOD__
);
1911 // Question: Would it perhaps be better if this method turned all
1912 // exceptions into $status's?
1915 $dbw->commit( __METHOD__
);
1917 // Bug 32948: revision ID must be set to page {{REVISIONID}} and
1918 // related variables correctly
1919 $revision->setId( $this->getLatest() );
1922 // Update links tables, site stats, etc.
1923 $this->doEditUpdates(
1927 'changed' => $changed,
1928 'oldcountable' => $oldcountable
1933 $status->warning( 'edit-no-change' );
1935 // Update page_touched, this is usually implicit in the page update
1936 // Other cache updates are done in onArticleEdit()
1937 $this->mTitle
->invalidateCache();
1940 // Create new article
1941 $status->value
['new'] = true;
1943 $dbw->begin( __METHOD__
);
1946 $prepStatus = $content->prepareSave( $this, $flags, $baseRevId, $user );
1947 $status->merge( $prepStatus );
1949 if ( !$status->isOK() ) {
1950 $dbw->rollback( __METHOD__
);
1952 wfProfileOut( __METHOD__
);
1956 $status->merge( $prepStatus );
1958 // Add the page record; stake our claim on this title!
1959 // This will return false if the article already exists
1960 $newid = $this->insertOn( $dbw );
1962 if ( $newid === false ) {
1963 $dbw->rollback( __METHOD__
);
1964 $status->fatal( 'edit-already-exists' );
1966 wfProfileOut( __METHOD__
);
1970 // Save the revision text...
1971 $revision = new Revision( array(
1973 'title' => $this->getTitle(), // for determining the default content model
1974 'comment' => $summary,
1975 'minor_edit' => $isminor,
1976 'text' => $serialized,
1978 'user' => $user->getId(),
1979 'user_text' => $user->getName(),
1980 'timestamp' => $now,
1981 'content_model' => $content->getModel(),
1982 'content_format' => $serialisation_format,
1984 $revisionId = $revision->insertOn( $dbw );
1986 // Bug 37225: use accessor to get the text as Revision may trim it
1987 $content = $revision->getContent(); // sanity; get normalized version
1990 $newsize = $content->getSize();
1993 // Update the page record with revision data
1994 $this->updateRevisionOn( $dbw, $revision, 0 );
1996 wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $revision, false, $user ) );
1998 // Update recentchanges
1999 if ( !( $flags & EDIT_SUPPRESS_RC
) ) {
2000 // Mark as patrolled if the user can do so
2001 $patrolled = ( $wgUseRCPatrol ||
$wgUseNPPatrol ) && !count(
2002 $this->mTitle
->getUserPermissionsErrors( 'autopatrol', $user ) );
2003 // Add RC row to the DB
2004 $rc = RecentChange
::notifyNew( $now, $this->mTitle
, $isminor, $user, $summary, $bot,
2005 '', $newsize, $revisionId, $patrolled );
2007 // Log auto-patrolled edits
2009 PatrolLog
::record( $rc, true, $user );
2012 $user->incEditCount();
2014 } catch ( MWException
$e ) {
2015 $dbw->rollback( __METHOD__
);
2018 $dbw->commit( __METHOD__
);
2020 // Update links, etc.
2021 $this->doEditUpdates( $revision, $user, array( 'created' => true ) );
2023 $hook_args = array( &$this, &$user, $content, $summary,
2024 $flags & EDIT_MINOR
, null, null, &$flags, $revision );
2026 ContentHandler
::runLegacyHooks( 'ArticleInsertComplete', $hook_args );
2027 wfRunHooks( 'PageContentInsertComplete', $hook_args );
2030 // Do updates right now unless deferral was requested
2031 if ( !( $flags & EDIT_DEFER_UPDATES
) ) {
2032 DeferredUpdates
::doUpdates();
2035 // Return the new revision (or null) to the caller
2036 $status->value
['revision'] = $revision;
2038 $hook_args = array( &$this, &$user, $content, $summary,
2039 $flags & EDIT_MINOR
, null, null, &$flags, $revision, &$status, $baseRevId );
2041 ContentHandler
::runLegacyHooks( 'ArticleSaveComplete', $hook_args );
2042 wfRunHooks( 'PageContentSaveComplete', $hook_args );
2044 // Promote user to any groups they meet the criteria for
2045 $user->addAutopromoteOnceGroups( 'onEdit' );
2047 wfProfileOut( __METHOD__
);
2052 * Get parser options suitable for rendering the primary article wikitext
2054 * @see ContentHandler::makeParserOptions
2056 * @param IContextSource|User|string $context One of the following:
2057 * - IContextSource: Use the User and the Language of the provided
2059 * - User: Use the provided User object and $wgLang for the language,
2060 * so use an IContextSource object if possible.
2061 * - 'canonical': Canonical options (anonymous user with default
2062 * preferences and content language).
2063 * @return ParserOptions
2065 public function makeParserOptions( $context ) {
2066 $options = $this->getContentHandler()->makeParserOptions( $context );
2068 if ( $this->getTitle()->isConversionTable() ) {
2069 // @todo ConversionTable should become a separate content model, so
2070 // we don't need special cases like this one.
2071 $options->disableContentConversion();
2078 * Prepare text which is about to be saved.
2079 * Returns a stdclass with source, pst and output members
2081 * @deprecated since 1.21: use prepareContentForEdit instead.
2084 public function prepareTextForEdit( $text, $revid = null, User
$user = null ) {
2085 ContentHandler
::deprecated( __METHOD__
, '1.21' );
2086 $content = ContentHandler
::makeContent( $text, $this->getTitle() );
2087 return $this->prepareContentForEdit( $content, $revid, $user );
2091 * Prepare content which is about to be saved.
2092 * Returns a stdclass with source, pst and output members
2094 * @param Content $content
2095 * @param int|null $revid
2096 * @param User|null $user
2097 * @param string|null $serialization_format
2099 * @return bool|object
2103 public function prepareContentForEdit( Content
$content, $revid = null, User
$user = null,
2104 $serialization_format = null
2106 global $wgContLang, $wgUser;
2107 $user = is_null( $user ) ?
$wgUser : $user;
2108 //XXX: check $user->getId() here???
2110 // Use a sane default for $serialization_format, see bug 57026
2111 if ( $serialization_format === null ) {
2112 $serialization_format = $content->getContentHandler()->getDefaultFormat();
2115 if ( $this->mPreparedEdit
2116 && $this->mPreparedEdit
->newContent
2117 && $this->mPreparedEdit
->newContent
->equals( $content )
2118 && $this->mPreparedEdit
->revid
== $revid
2119 && $this->mPreparedEdit
->format
== $serialization_format
2120 // XXX: also check $user here?
2123 return $this->mPreparedEdit
;
2126 $popts = ParserOptions
::newFromUserAndLang( $user, $wgContLang );
2127 wfRunHooks( 'ArticlePrepareTextForEdit', array( $this, $popts ) );
2129 $edit = (object)array();
2130 $edit->revid
= $revid;
2131 $edit->timestamp
= wfTimestampNow();
2133 $edit->pstContent
= $content ?
$content->preSaveTransform( $this->mTitle
, $user, $popts ) : null;
2135 $edit->format
= $serialization_format;
2136 $edit->popts
= $this->makeParserOptions( 'canonical' );
2137 $edit->output
= $edit->pstContent
2138 ?
$edit->pstContent
->getParserOutput( $this->mTitle
, $revid, $edit->popts
)
2141 $edit->newContent
= $content;
2142 $edit->oldContent
= $this->getContent( Revision
::RAW
);
2144 // NOTE: B/C for hooks! don't use these fields!
2145 $edit->newText
= $edit->newContent ? ContentHandler
::getContentText( $edit->newContent
) : '';
2146 $edit->oldText
= $edit->oldContent ? ContentHandler
::getContentText( $edit->oldContent
) : '';
2147 $edit->pst
= $edit->pstContent ?
$edit->pstContent
->serialize( $serialization_format ) : '';
2149 $this->mPreparedEdit
= $edit;
2154 * Do standard deferred updates after page edit.
2155 * Update links tables, site stats, search index and message cache.
2156 * Purges pages that include this page if the text was changed here.
2157 * Every 100th edit, prune the recent changes table.
2159 * @param Revision $revision
2160 * @param User $user User object that did the revision
2161 * @param array $options Array of options, following indexes are used:
2162 * - changed: boolean, whether the revision changed the content (default true)
2163 * - created: boolean, whether the revision created the page (default false)
2164 * - oldcountable: boolean or null (default null):
2165 * - boolean: whether the page was counted as an article before that
2166 * revision, only used in changed is true and created is false
2167 * - null: don't change the article count
2169 public function doEditUpdates( Revision
$revision, User
$user, array $options = array() ) {
2170 global $wgEnableParserCache;
2172 wfProfileIn( __METHOD__
);
2174 $options +
= array( 'changed' => true, 'created' => false, 'oldcountable' => null );
2175 $content = $revision->getContent();
2178 // Be careful not to do pre-save transform twice: $text is usually
2179 // already pre-save transformed once.
2180 if ( !$this->mPreparedEdit ||
$this->mPreparedEdit
->output
->getFlag( 'vary-revision' ) ) {
2181 wfDebug( __METHOD__
. ": No prepared edit or vary-revision is set...\n" );
2182 $editInfo = $this->prepareContentForEdit( $content, $revision->getId(), $user );
2184 wfDebug( __METHOD__
. ": No vary-revision, using prepared edit...\n" );
2185 $editInfo = $this->mPreparedEdit
;
2188 // Save it to the parser cache
2189 if ( $wgEnableParserCache ) {
2190 $parserCache = ParserCache
::singleton();
2192 $editInfo->output
, $this, $editInfo->popts
, $editInfo->timestamp
, $editInfo->revid
2196 // Update the links tables and other secondary data
2198 $recursive = $options['changed']; // bug 50785
2199 $updates = $content->getSecondaryDataUpdates(
2200 $this->getTitle(), null, $recursive, $editInfo->output
);
2201 DataUpdate
::runUpdates( $updates );
2204 wfRunHooks( 'ArticleEditUpdates', array( &$this, &$editInfo, $options['changed'] ) );
2206 if ( wfRunHooks( 'ArticleEditUpdatesDeleteFromRecentchanges', array( &$this ) ) ) {
2207 if ( 0 == mt_rand( 0, 99 ) ) {
2208 // Flush old entries from the `recentchanges` table; we do this on
2209 // random requests so as to avoid an increase in writes for no good reason
2210 RecentChange
::purgeExpiredChanges();
2214 if ( !$this->exists() ) {
2215 wfProfileOut( __METHOD__
);
2219 $id = $this->getId();
2220 $title = $this->mTitle
->getPrefixedDBkey();
2221 $shortTitle = $this->mTitle
->getDBkey();
2223 if ( !$options['changed'] ) {
2225 } elseif ( $options['created'] ) {
2226 $good = (int)$this->isCountable( $editInfo );
2227 } elseif ( $options['oldcountable'] !== null ) {
2228 $good = (int)$this->isCountable( $editInfo ) - (int)$options['oldcountable'];
2232 $edits = $options['changed'] ?
1 : 0;
2233 $total = $options['created'] ?
1 : 0;
2235 DeferredUpdates
::addUpdate( new SiteStatsUpdate( 0, $edits, $good, $total ) );
2236 DeferredUpdates
::addUpdate( new SearchUpdate( $id, $title, $content ) );
2238 // If this is another user's talk page, update newtalk.
2239 // Don't do this if $options['changed'] = false (null-edits) nor if
2240 // it's a minor edit and the user doesn't want notifications for those.
2241 if ( $options['changed']
2242 && $this->mTitle
->getNamespace() == NS_USER_TALK
2243 && $shortTitle != $user->getTitleKey()
2244 && !( $revision->isMinor() && $user->isAllowed( 'nominornewtalk' ) )
2246 $recipient = User
::newFromName( $shortTitle, false );
2247 if ( !$recipient ) {
2248 wfDebug( __METHOD__
. ": invalid username\n" );
2250 // Allow extensions to prevent user notification when a new message is added to their talk page
2251 if ( wfRunHooks( 'ArticleEditUpdateNewTalk', array( &$this, $recipient ) ) ) {
2252 if ( User
::isIP( $shortTitle ) ) {
2253 // An anonymous user
2254 $recipient->setNewtalk( true, $revision );
2255 } elseif ( $recipient->isLoggedIn() ) {
2256 $recipient->setNewtalk( true, $revision );
2258 wfDebug( __METHOD__
. ": don't need to notify a nonexistent user\n" );
2264 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
2265 // XXX: could skip pseudo-messages like js/css here, based on content model.
2266 $msgtext = $content ?
$content->getWikitextForTransclusion() : null;
2267 if ( $msgtext === false ||
$msgtext === null ) {
2271 MessageCache
::singleton()->replace( $shortTitle, $msgtext );
2274 if ( $options['created'] ) {
2275 self
::onArticleCreate( $this->mTitle
);
2276 } elseif ( $options['changed'] ) { // bug 50785
2277 self
::onArticleEdit( $this->mTitle
);
2280 wfProfileOut( __METHOD__
);
2284 * Edit an article without doing all that other stuff
2285 * The article must already exist; link tables etc
2286 * are not updated, caches are not flushed.
2288 * @param string $text Text submitted
2289 * @param User $user The relevant user
2290 * @param string $comment Comment submitted
2291 * @param bool $minor Whereas it's a minor modification
2293 * @deprecated since 1.21, use doEditContent() instead.
2295 public function doQuickEdit( $text, User
$user, $comment = '', $minor = 0 ) {
2296 ContentHandler
::deprecated( __METHOD__
, "1.21" );
2298 $content = ContentHandler
::makeContent( $text, $this->getTitle() );
2299 $this->doQuickEditContent( $content, $user, $comment, $minor );
2303 * Edit an article without doing all that other stuff
2304 * The article must already exist; link tables etc
2305 * are not updated, caches are not flushed.
2307 * @param Content $content Content submitted
2308 * @param User $user The relevant user
2309 * @param string $comment comment submitted
2310 * @param string $serialisation_format Format for storing the content in the database
2311 * @param bool $minor Whereas it's a minor modification
2313 public function doQuickEditContent( Content
$content, User
$user, $comment = '', $minor = false,
2314 $serialisation_format = null
2316 wfProfileIn( __METHOD__
);
2318 $serialized = $content->serialize( $serialisation_format );
2320 $dbw = wfGetDB( DB_MASTER
);
2321 $revision = new Revision( array(
2322 'title' => $this->getTitle(), // for determining the default content model
2323 'page' => $this->getId(),
2324 'user_text' => $user->getName(),
2325 'user' => $user->getId(),
2326 'text' => $serialized,
2327 'length' => $content->getSize(),
2328 'comment' => $comment,
2329 'minor_edit' => $minor ?
1 : 0,
2330 ) ); // XXX: set the content object?
2331 $revision->insertOn( $dbw );
2332 $this->updateRevisionOn( $dbw, $revision );
2334 wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $revision, false, $user ) );
2336 wfProfileOut( __METHOD__
);
2340 * Update the article's restriction field, and leave a log entry.
2341 * This works for protection both existing and non-existing pages.
2343 * @param array $limit Set of restriction keys
2344 * @param array $expiry Per restriction type expiration
2345 * @param int &$cascade Set to false if cascading protection isn't allowed.
2346 * @param string $reason
2347 * @param User $user The user updating the restrictions
2350 public function doUpdateRestrictions( array $limit, array $expiry,
2351 &$cascade, $reason, User
$user
2353 global $wgCascadingRestrictionLevels, $wgContLang;
2355 if ( wfReadOnly() ) {
2356 return Status
::newFatal( 'readonlytext', wfReadOnlyReason() );
2359 $this->loadPageData( 'fromdbmaster' );
2360 $restrictionTypes = $this->mTitle
->getRestrictionTypes();
2361 $id = $this->getId();
2367 // Take this opportunity to purge out expired restrictions
2368 Title
::purgeExpiredRestrictions();
2370 // @todo FIXME: Same limitations as described in ProtectionForm.php (line 37);
2371 // we expect a single selection, but the schema allows otherwise.
2372 $isProtected = false;
2376 $dbw = wfGetDB( DB_MASTER
);
2378 foreach ( $restrictionTypes as $action ) {
2379 if ( !isset( $expiry[$action] ) ) {
2380 $expiry[$action] = $dbw->getInfinity();
2382 if ( !isset( $limit[$action] ) ) {
2383 $limit[$action] = '';
2384 } elseif ( $limit[$action] != '' ) {
2388 // Get current restrictions on $action
2389 $current = implode( '', $this->mTitle
->getRestrictions( $action ) );
2390 if ( $current != '' ) {
2391 $isProtected = true;
2394 if ( $limit[$action] != $current ) {
2396 } elseif ( $limit[$action] != '' ) {
2397 // Only check expiry change if the action is actually being
2398 // protected, since expiry does nothing on an not-protected
2400 if ( $this->mTitle
->getRestrictionExpiry( $action ) != $expiry[$action] ) {
2406 if ( !$changed && $protect && $this->mTitle
->areRestrictionsCascading() != $cascade ) {
2410 // If nothing has changed, do nothing
2412 return Status
::newGood();
2415 if ( !$protect ) { // No protection at all means unprotection
2416 $revCommentMsg = 'unprotectedarticle';
2417 $logAction = 'unprotect';
2418 } elseif ( $isProtected ) {
2419 $revCommentMsg = 'modifiedarticleprotection';
2420 $logAction = 'modify';
2422 $revCommentMsg = 'protectedarticle';
2423 $logAction = 'protect';
2426 // Truncate for whole multibyte characters
2427 $reason = $wgContLang->truncate( $reason, 255 );
2429 $logRelationsValues = array();
2430 $logRelationsField = null;
2432 if ( $id ) { // Protection of existing page
2433 if ( !wfRunHooks( 'ArticleProtect', array( &$this, &$user, $limit, $reason ) ) ) {
2434 return Status
::newGood();
2437 // Only certain restrictions can cascade...
2438 $editrestriction = isset( $limit['edit'] )
2439 ?
array( $limit['edit'] )
2440 : $this->mTitle
->getRestrictions( 'edit' );
2441 foreach ( array_keys( $editrestriction, 'sysop' ) as $key ) {
2442 $editrestriction[$key] = 'editprotected'; // backwards compatibility
2444 foreach ( array_keys( $editrestriction, 'autoconfirmed' ) as $key ) {
2445 $editrestriction[$key] = 'editsemiprotected'; // backwards compatibility
2448 $cascadingRestrictionLevels = $wgCascadingRestrictionLevels;
2449 foreach ( array_keys( $cascadingRestrictionLevels, 'sysop' ) as $key ) {
2450 $cascadingRestrictionLevels[$key] = 'editprotected'; // backwards compatibility
2452 foreach ( array_keys( $cascadingRestrictionLevels, 'autoconfirmed' ) as $key ) {
2453 $cascadingRestrictionLevels[$key] = 'editsemiprotected'; // backwards compatibility
2456 // The schema allows multiple restrictions
2457 if ( !array_intersect( $editrestriction, $cascadingRestrictionLevels ) ) {
2461 // insert null revision to identify the page protection change as edit summary
2462 $latest = $this->getLatest();
2463 $nullRevision = $this->insertProtectNullRevision(
2472 if ( $nullRevision === null ) {
2473 return Status
::newFatal( 'no-null-revision', $this->mTitle
->getPrefixedText() );
2476 $logRelationsField = 'pr_id';
2478 // Update restrictions table
2479 foreach ( $limit as $action => $restrictions ) {
2481 'page_restrictions',
2484 'pr_type' => $action
2488 if ( $restrictions != '' ) {
2490 'page_restrictions',
2492 'pr_id' => $dbw->nextSequenceValue( 'page_restrictions_pr_id_seq' ),
2494 'pr_type' => $action,
2495 'pr_level' => $restrictions,
2496 'pr_cascade' => ( $cascade && $action == 'edit' ) ?
1 : 0,
2497 'pr_expiry' => $dbw->encodeExpiry( $expiry[$action] )
2501 $logRelationsValues[] = $dbw->insertId();
2505 // Clear out legacy restriction fields
2508 array( 'page_restrictions' => '' ),
2509 array( 'page_id' => $id ),
2513 wfRunHooks( 'NewRevisionFromEditComplete', array( $this, $nullRevision, $latest, $user ) );
2514 wfRunHooks( 'ArticleProtectComplete', array( &$this, &$user, $limit, $reason ) );
2515 } else { // Protection of non-existing page (also known as "title protection")
2516 // Cascade protection is meaningless in this case
2519 if ( $limit['create'] != '' ) {
2520 $dbw->replace( 'protected_titles',
2521 array( array( 'pt_namespace', 'pt_title' ) ),
2523 'pt_namespace' => $this->mTitle
->getNamespace(),
2524 'pt_title' => $this->mTitle
->getDBkey(),
2525 'pt_create_perm' => $limit['create'],
2526 'pt_timestamp' => $dbw->timestamp(),
2527 'pt_expiry' => $dbw->encodeExpiry( $expiry['create'] ),
2528 'pt_user' => $user->getId(),
2529 'pt_reason' => $reason,
2533 $dbw->delete( 'protected_titles',
2535 'pt_namespace' => $this->mTitle
->getNamespace(),
2536 'pt_title' => $this->mTitle
->getDBkey()
2542 $this->mTitle
->flushRestrictions();
2543 InfoAction
::invalidateCache( $this->mTitle
);
2545 if ( $logAction == 'unprotect' ) {
2548 $protectDescriptionLog = $this->protectDescriptionLog( $limit, $expiry );
2549 $params = array( $protectDescriptionLog, $cascade ?
'cascade' : '' );
2552 // Update the protection log
2553 $log = new LogPage( 'protect' );
2554 $logId = $log->addEntry( $logAction, $this->mTitle
, $reason, $params, $user );
2555 if ( $logRelationsField !== null && count( $logRelationsValues ) ) {
2556 $log->addRelations( $logRelationsField, $logRelationsValues, $logId );
2559 return Status
::newGood();
2563 * Insert a new null revision for this page.
2565 * @param string $revCommentMsg Comment message key for the revision
2566 * @param array $limit Set of restriction keys
2567 * @param array $expiry Per restriction type expiration
2568 * @param int $cascade Set to false if cascading protection isn't allowed.
2569 * @param string $reason
2570 * @param User|null $user
2571 * @return Revision|null Null on error
2573 public function insertProtectNullRevision( $revCommentMsg, array $limit,
2574 array $expiry, $cascade, $reason, $user = null
2577 $dbw = wfGetDB( DB_MASTER
);
2579 // Prepare a null revision to be added to the history
2580 $editComment = $wgContLang->ucfirst(
2583 $this->mTitle
->getPrefixedText()
2584 )->inContentLanguage()->text()
2587 $editComment .= wfMessage( 'colon-separator' )->inContentLanguage()->text() . $reason;
2589 $protectDescription = $this->protectDescription( $limit, $expiry );
2590 if ( $protectDescription ) {
2591 $editComment .= wfMessage( 'word-separator' )->inContentLanguage()->text();
2592 $editComment .= wfMessage( 'parentheses' )->params( $protectDescription )
2593 ->inContentLanguage()->text();
2596 $editComment .= wfMessage( 'word-separator' )->inContentLanguage()->text();
2597 $editComment .= wfMessage( 'brackets' )->params(
2598 wfMessage( 'protect-summary-cascade' )->inContentLanguage()->text()
2599 )->inContentLanguage()->text();
2602 $nullRev = Revision
::newNullRevision( $dbw, $this->getId(), $editComment, true, $user );
2604 $nullRev->insertOn( $dbw );
2606 // Update page record and touch page
2607 $oldLatest = $nullRev->getParentId();
2608 $this->updateRevisionOn( $dbw, $nullRev, $oldLatest );
2615 * @param string $expiry 14-char timestamp or "infinity", or false if the input was invalid
2618 protected function formatExpiry( $expiry ) {
2620 $dbr = wfGetDB( DB_SLAVE
);
2622 $encodedExpiry = $dbr->encodeExpiry( $expiry );
2623 if ( $encodedExpiry != 'infinity' ) {
2626 $wgContLang->timeanddate( $expiry, false, false ),
2627 $wgContLang->date( $expiry, false, false ),
2628 $wgContLang->time( $expiry, false, false )
2629 )->inContentLanguage()->text();
2631 return wfMessage( 'protect-expiry-indefinite' )
2632 ->inContentLanguage()->text();
2637 * Builds the description to serve as comment for the edit.
2639 * @param array $limit Set of restriction keys
2640 * @param array $expiry Per restriction type expiration
2643 public function protectDescription( array $limit, array $expiry ) {
2644 $protectDescription = '';
2646 foreach ( array_filter( $limit ) as $action => $restrictions ) {
2647 # $action is one of $wgRestrictionTypes = array( 'create', 'edit', 'move', 'upload' ).
2648 # All possible message keys are listed here for easier grepping:
2649 # * restriction-create
2650 # * restriction-edit
2651 # * restriction-move
2652 # * restriction-upload
2653 $actionText = wfMessage( 'restriction-' . $action )->inContentLanguage()->text();
2654 # $restrictions is one of $wgRestrictionLevels = array( '', 'autoconfirmed', 'sysop' ),
2655 # with '' filtered out. All possible message keys are listed below:
2656 # * protect-level-autoconfirmed
2657 # * protect-level-sysop
2658 $restrictionsText = wfMessage( 'protect-level-' . $restrictions )->inContentLanguage()->text();
2660 $expiryText = $this->formatExpiry( $expiry[$action] );
2662 if ( $protectDescription !== '' ) {
2663 $protectDescription .= wfMessage( 'word-separator' )->inContentLanguage()->text();
2665 $protectDescription .= wfMessage( 'protect-summary-desc' )
2666 ->params( $actionText, $restrictionsText, $expiryText )
2667 ->inContentLanguage()->text();
2670 return $protectDescription;
2674 * Builds the description to serve as comment for the log entry.
2676 * Some bots may parse IRC lines, which are generated from log entries which contain plain
2677 * protect description text. Keep them in old format to avoid breaking compatibility.
2678 * TODO: Fix protection log to store structured description and format it on-the-fly.
2680 * @param array $limit Set of restriction keys
2681 * @param array $expiry Per restriction type expiration
2684 public function protectDescriptionLog( array $limit, array $expiry ) {
2687 $protectDescriptionLog = '';
2689 foreach ( array_filter( $limit ) as $action => $restrictions ) {
2690 $expiryText = $this->formatExpiry( $expiry[$action] );
2691 $protectDescriptionLog .= $wgContLang->getDirMark() . "[$action=$restrictions] ($expiryText)";
2694 return trim( $protectDescriptionLog );
2698 * Take an array of page restrictions and flatten it to a string
2699 * suitable for insertion into the page_restrictions field.
2701 * @param string[] $limit
2703 * @throws MWException
2706 protected static function flattenRestrictions( $limit ) {
2707 if ( !is_array( $limit ) ) {
2708 throw new MWException( 'WikiPage::flattenRestrictions given non-array restriction set' );
2714 foreach ( array_filter( $limit ) as $action => $restrictions ) {
2715 $bits[] = "$action=$restrictions";
2718 return implode( ':', $bits );
2722 * Same as doDeleteArticleReal(), but returns a simple boolean. This is kept around for
2723 * backwards compatibility, if you care about error reporting you should use
2724 * doDeleteArticleReal() instead.
2726 * Deletes the article with database consistency, writes logs, purges caches
2728 * @param string $reason Delete reason for deletion log
2729 * @param bool $suppress Suppress all revisions and log the deletion in
2730 * the suppression log instead of the deletion log
2731 * @param int $id Article ID
2732 * @param bool $commit Defaults to true, triggers transaction end
2733 * @param array &$error Array of errors to append to
2734 * @param User $user The deleting user
2735 * @return bool true if successful
2737 public function doDeleteArticle(
2738 $reason, $suppress = false, $id = 0, $commit = true, &$error = '', User
$user = null
2740 $status = $this->doDeleteArticleReal( $reason, $suppress, $id, $commit, $error, $user );
2741 return $status->isGood();
2745 * Back-end article deletion
2746 * 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 $id Article ID
2754 * @param bool $commit Defaults to true, triggers transaction end
2755 * @param array &$error Array of errors to append to
2756 * @param User $user The deleting user
2757 * @return Status Status object; if successful, $status->value is the log_id of the
2758 * deletion log entry. If the page couldn't be deleted because it wasn't
2759 * found, $status is a non-fatal 'cannotdelete' error
2761 public function doDeleteArticleReal(
2762 $reason, $suppress = false, $id = 0, $commit = true, &$error = '', User
$user = null
2764 global $wgUser, $wgContentHandlerUseDB;
2766 wfDebug( __METHOD__
. "\n" );
2768 $status = Status
::newGood();
2770 if ( $this->mTitle
->getDBkey() === '' ) {
2771 $status->error( 'cannotdelete', wfEscapeWikiText( $this->getTitle()->getPrefixedText() ) );
2775 $user = is_null( $user ) ?
$wgUser : $user;
2776 if ( ! wfRunHooks( 'ArticleDelete', array( &$this, &$user, &$reason, &$error, &$status ) ) ) {
2777 if ( $status->isOK() ) {
2778 // Hook aborted but didn't set a fatal status
2779 $status->fatal( 'delete-hook-aborted' );
2785 $this->loadPageData( 'forupdate' );
2786 $id = $this->getID();
2788 $status->error( 'cannotdelete', wfEscapeWikiText( $this->getTitle()->getPrefixedText() ) );
2793 // Bitfields to further suppress the content
2796 // This should be 15...
2797 $bitfield |
= Revision
::DELETED_TEXT
;
2798 $bitfield |
= Revision
::DELETED_COMMENT
;
2799 $bitfield |
= Revision
::DELETED_USER
;
2800 $bitfield |
= Revision
::DELETED_RESTRICTED
;
2802 $bitfield = 'rev_deleted';
2805 // we need to remember the old content so we can use it to generate all deletion updates.
2806 $content = $this->getContent( Revision
::RAW
);
2808 $dbw = wfGetDB( DB_MASTER
);
2809 $dbw->begin( __METHOD__
);
2810 // For now, shunt the revision data into the archive table.
2811 // Text is *not* removed from the text table; bulk storage
2812 // is left intact to avoid breaking block-compression or
2813 // immutable storage schemes.
2815 // For backwards compatibility, note that some older archive
2816 // table entries will have ar_text and ar_flags fields still.
2818 // In the future, we may keep revisions and mark them with
2819 // the rev_deleted field, which is reserved for this purpose.
2822 'ar_namespace' => 'page_namespace',
2823 'ar_title' => 'page_title',
2824 'ar_comment' => 'rev_comment',
2825 'ar_user' => 'rev_user',
2826 'ar_user_text' => 'rev_user_text',
2827 'ar_timestamp' => 'rev_timestamp',
2828 'ar_minor_edit' => 'rev_minor_edit',
2829 'ar_rev_id' => 'rev_id',
2830 'ar_parent_id' => 'rev_parent_id',
2831 'ar_text_id' => 'rev_text_id',
2832 'ar_text' => '\'\'', // Be explicit to appease
2833 'ar_flags' => '\'\'', // MySQL's "strict mode"...
2834 'ar_len' => 'rev_len',
2835 'ar_page_id' => 'page_id',
2836 'ar_deleted' => $bitfield,
2837 'ar_sha1' => 'rev_sha1',
2840 if ( $wgContentHandlerUseDB ) {
2841 $row['ar_content_model'] = 'rev_content_model';
2842 $row['ar_content_format'] = 'rev_content_format';
2845 $dbw->insertSelect( 'archive', array( 'page', 'revision' ),
2849 'page_id = rev_page'
2853 // Now that it's safely backed up, delete it
2854 $dbw->delete( 'page', array( 'page_id' => $id ), __METHOD__
);
2855 $ok = ( $dbw->affectedRows() > 0 ); // $id could be laggy
2858 $dbw->rollback( __METHOD__
);
2859 $status->error( 'cannotdelete', wfEscapeWikiText( $this->getTitle()->getPrefixedText() ) );
2863 if ( !$dbw->cascadingDeletes() ) {
2864 $dbw->delete( 'revision', array( 'rev_page' => $id ), __METHOD__
);
2867 // Clone the title, so we have the information we need when we log
2868 $logTitle = clone $this->mTitle
;
2870 $this->doDeleteUpdates( $id, $content );
2872 // Log the deletion, if the page was suppressed, log it at Oversight instead
2873 $logtype = $suppress ?
'suppress' : 'delete';
2875 $logEntry = new ManualLogEntry( $logtype, 'delete' );
2876 $logEntry->setPerformer( $user );
2877 $logEntry->setTarget( $logTitle );
2878 $logEntry->setComment( $reason );
2879 $logid = $logEntry->insert();
2880 $logEntry->publish( $logid );
2883 $dbw->commit( __METHOD__
);
2886 wfRunHooks( 'ArticleDeleteComplete', array( &$this, &$user, $reason, $id, $content, $logEntry ) );
2887 $status->value
= $logid;
2892 * Do some database updates after deletion
2894 * @param int $id page_id value of the page being deleted
2895 * @param Content $content Optional page content to be used when determining
2896 * the required updates. This may be needed because $this->getContent()
2897 * may already return null when the page proper was deleted.
2899 public function doDeleteUpdates( $id, Content
$content = null ) {
2900 // update site status
2901 DeferredUpdates
::addUpdate( new SiteStatsUpdate( 0, 1, - (int)$this->isCountable(), -1 ) );
2903 // remove secondary indexes, etc
2904 $updates = $this->getDeletionUpdates( $content );
2905 DataUpdate
::runUpdates( $updates );
2907 // Reparse any pages transcluding this page
2908 LinksUpdate
::queueRecursiveJobsForTable( $this->mTitle
, 'templatelinks' );
2910 // Reparse any pages including this image
2911 if ( $this->mTitle
->getNamespace() == NS_FILE
) {
2912 LinksUpdate
::queueRecursiveJobsForTable( $this->mTitle
, 'imagelinks' );
2916 WikiPage
::onArticleDelete( $this->mTitle
);
2918 // Reset this object and the Title object
2919 $this->loadFromRow( false, self
::READ_LATEST
);
2922 DeferredUpdates
::addUpdate( new SearchUpdate( $id, $this->mTitle
) );
2926 * Roll back the most recent consecutive set of edits to a page
2927 * from the same user; fails if there are no eligible edits to
2928 * roll back to, e.g. user is the sole contributor. This function
2929 * performs permissions checks on $user, then calls commitRollback()
2930 * to do the dirty work
2932 * @todo Separate the business/permission stuff out from backend code
2934 * @param string $fromP Name of the user whose edits to rollback.
2935 * @param string $summary Custom summary. Set to default summary if empty.
2936 * @param string $token Rollback token.
2937 * @param bool $bot If true, mark all reverted edits as bot.
2939 * @param array $resultDetails contains result-specific array of additional values
2940 * 'alreadyrolled' : 'current' (rev)
2941 * success : 'summary' (str), 'current' (rev), 'target' (rev)
2943 * @param User $user The user performing the rollback
2944 * @return array Array of errors, each error formatted as
2945 * array(messagekey, param1, param2, ...).
2946 * On success, the array is empty. This array can also be passed to
2947 * OutputPage::showPermissionsErrorPage().
2949 public function doRollback(
2950 $fromP, $summary, $token, $bot, &$resultDetails, User
$user
2952 $resultDetails = null;
2954 // Check permissions
2955 $editErrors = $this->mTitle
->getUserPermissionsErrors( 'edit', $user );
2956 $rollbackErrors = $this->mTitle
->getUserPermissionsErrors( 'rollback', $user );
2957 $errors = array_merge( $editErrors, wfArrayDiff2( $rollbackErrors, $editErrors ) );
2959 if ( !$user->matchEditToken( $token, array( $this->mTitle
->getPrefixedText(), $fromP ) ) ) {
2960 $errors[] = array( 'sessionfailure' );
2963 if ( $user->pingLimiter( 'rollback' ) ||
$user->pingLimiter() ) {
2964 $errors[] = array( 'actionthrottledtext' );
2967 // If there were errors, bail out now
2968 if ( !empty( $errors ) ) {
2972 return $this->commitRollback( $fromP, $summary, $bot, $resultDetails, $user );
2976 * Backend implementation of doRollback(), please refer there for parameter
2977 * and return value documentation
2979 * NOTE: This function does NOT check ANY permissions, it just commits the
2980 * rollback to the DB. Therefore, you should only call this function direct-
2981 * ly if you want to use custom permissions checks. If you don't, use
2982 * doRollback() instead.
2983 * @param string $fromP Name of the user whose edits to rollback.
2984 * @param string $summary Custom summary. Set to default summary if empty.
2985 * @param bool $bot If true, mark all reverted edits as bot.
2987 * @param array $resultDetails Contains result-specific array of additional values
2988 * @param User $guser The user performing the rollback
2991 public function commitRollback( $fromP, $summary, $bot, &$resultDetails, User
$guser ) {
2992 global $wgUseRCPatrol, $wgContLang;
2994 $dbw = wfGetDB( DB_MASTER
);
2996 if ( wfReadOnly() ) {
2997 return array( array( 'readonlytext' ) );
3000 // Get the last editor
3001 $current = $this->getRevision();
3002 if ( is_null( $current ) ) {
3003 // Something wrong... no page?
3004 return array( array( 'notanarticle' ) );
3007 $from = str_replace( '_', ' ', $fromP );
3008 // User name given should match up with the top revision.
3009 // If the user was deleted then $from should be empty.
3010 if ( $from != $current->getUserText() ) {
3011 $resultDetails = array( 'current' => $current );
3012 return array( array( 'alreadyrolled',
3013 htmlspecialchars( $this->mTitle
->getPrefixedText() ),
3014 htmlspecialchars( $fromP ),
3015 htmlspecialchars( $current->getUserText() )
3019 // Get the last edit not by this guy...
3020 // Note: these may not be public values
3021 $user = intval( $current->getRawUser() );
3022 $user_text = $dbw->addQuotes( $current->getRawUserText() );
3023 $s = $dbw->selectRow( 'revision',
3024 array( 'rev_id', 'rev_timestamp', 'rev_deleted' ),
3025 array( 'rev_page' => $current->getPage(),
3026 "rev_user != {$user} OR rev_user_text != {$user_text}"
3028 array( 'USE INDEX' => 'page_timestamp',
3029 'ORDER BY' => 'rev_timestamp DESC' )
3031 if ( $s === false ) {
3032 // No one else ever edited this page
3033 return array( array( 'cantrollback' ) );
3034 } elseif ( $s->rev_deleted
& Revision
::DELETED_TEXT
3035 ||
$s->rev_deleted
& Revision
::DELETED_USER
3037 // Only admins can see this text
3038 return array( array( 'notvisiblerev' ) );
3041 // Set patrolling and bot flag on the edits, which gets rollbacked.
3042 // This is done before the rollback edit to have patrolling also on failure (bug 62157).
3044 if ( $bot && $guser->isAllowed( 'markbotedits' ) ) {
3045 // Mark all reverted edits as bot
3049 if ( $wgUseRCPatrol ) {
3050 // Mark all reverted edits as patrolled
3051 $set['rc_patrolled'] = 1;
3054 if ( count( $set ) ) {
3055 $dbw->update( 'recentchanges', $set,
3057 'rc_cur_id' => $current->getPage(),
3058 'rc_user_text' => $current->getUserText(),
3059 'rc_timestamp > ' . $dbw->addQuotes( $s->rev_timestamp
),
3064 // Generate the edit summary if necessary
3065 $target = Revision
::newFromId( $s->rev_id
);
3066 if ( empty( $summary ) ) {
3067 if ( $from == '' ) { // no public user name
3068 $summary = wfMessage( 'revertpage-nouser' );
3070 $summary = wfMessage( 'revertpage' );
3074 // Allow the custom summary to use the same args as the default message
3076 $target->getUserText(), $from, $s->rev_id
,
3077 $wgContLang->timeanddate( wfTimestamp( TS_MW
, $s->rev_timestamp
) ),
3078 $current->getId(), $wgContLang->timeanddate( $current->getTimestamp() )
3080 if ( $summary instanceof Message
) {
3081 $summary = $summary->params( $args )->inContentLanguage()->text();
3083 $summary = wfMsgReplaceArgs( $summary, $args );
3086 // Trim spaces on user supplied text
3087 $summary = trim( $summary );
3089 // Truncate for whole multibyte characters.
3090 $summary = $wgContLang->truncate( $summary, 255 );
3093 $flags = EDIT_UPDATE
;
3095 if ( $guser->isAllowed( 'minoredit' ) ) {
3096 $flags |
= EDIT_MINOR
;
3099 if ( $bot && ( $guser->isAllowedAny( 'markbotedits', 'bot' ) ) ) {
3100 $flags |
= EDIT_FORCE_BOT
;
3103 // Actually store the edit
3104 $status = $this->doEditContent(
3105 $target->getContent(),
3112 if ( !$status->isOK() ) {
3113 return $status->getErrorsArray();
3116 // raise error, when the edit is an edit without a new version
3117 if ( empty( $status->value
['revision'] ) ) {
3118 $resultDetails = array( 'current' => $current );
3119 return array( array( 'alreadyrolled',
3120 htmlspecialchars( $this->mTitle
->getPrefixedText() ),
3121 htmlspecialchars( $fromP ),
3122 htmlspecialchars( $current->getUserText() )
3126 $revId = $status->value
['revision']->getId();
3128 wfRunHooks( 'ArticleRollbackComplete', array( $this, $guser, $target, $current ) );
3130 $resultDetails = array(
3131 'summary' => $summary,
3132 'current' => $current,
3133 'target' => $target,
3141 * The onArticle*() functions are supposed to be a kind of hooks
3142 * which should be called whenever any of the specified actions
3145 * This is a good place to put code to clear caches, for instance.
3147 * This is called on page move and undelete, as well as edit
3149 * @param Title $title
3151 public static function onArticleCreate( $title ) {
3152 // Update existence markers on article/talk tabs...
3153 if ( $title->isTalkPage() ) {
3154 $other = $title->getSubjectPage();
3156 $other = $title->getTalkPage();
3159 $other->invalidateCache();
3160 $other->purgeSquid();
3162 $title->touchLinks();
3163 $title->purgeSquid();
3164 $title->deleteTitleProtection();
3168 * Clears caches when article is deleted
3170 * @param Title $title
3172 public static function onArticleDelete( $title ) {
3173 // Update existence markers on article/talk tabs...
3174 if ( $title->isTalkPage() ) {
3175 $other = $title->getSubjectPage();
3177 $other = $title->getTalkPage();
3180 $other->invalidateCache();
3181 $other->purgeSquid();
3183 $title->touchLinks();
3184 $title->purgeSquid();
3187 HTMLFileCache
::clearFileCache( $title );
3188 InfoAction
::invalidateCache( $title );
3191 if ( $title->getNamespace() == NS_MEDIAWIKI
) {
3192 MessageCache
::singleton()->replace( $title->getDBkey(), false );
3196 if ( $title->getNamespace() == NS_FILE
) {
3197 $update = new HTMLCacheUpdate( $title, 'imagelinks' );
3198 $update->doUpdate();
3202 if ( $title->getNamespace() == NS_USER_TALK
) {
3203 $user = User
::newFromName( $title->getText(), false );
3205 $user->setNewtalk( false );
3210 RepoGroup
::singleton()->getLocalRepo()->invalidateImageRedirect( $title );
3214 * Purge caches on page update etc
3216 * @param Title $title
3217 * @todo Verify that $title is always a Title object (and never false or
3218 * null), add Title hint to parameter $title.
3220 public static function onArticleEdit( $title ) {
3221 // Invalidate caches of articles which include this page
3222 DeferredUpdates
::addHTMLCacheUpdate( $title, 'templatelinks' );
3224 // Invalidate the caches of all pages which redirect here
3225 DeferredUpdates
::addHTMLCacheUpdate( $title, 'redirect' );
3227 // Purge squid for this page only
3228 $title->purgeSquid();
3230 // Clear file cache for this page only
3231 HTMLFileCache
::clearFileCache( $title );
3232 InfoAction
::invalidateCache( $title );
3238 * Returns a list of categories this page is a member of.
3239 * Results will include hidden categories
3241 * @return TitleArray
3243 public function getCategories() {
3244 $id = $this->getId();
3246 return TitleArray
::newFromResult( new FakeResultWrapper( array() ) );
3249 $dbr = wfGetDB( DB_SLAVE
);
3250 $res = $dbr->select( 'categorylinks',
3251 array( 'cl_to AS page_title, ' . NS_CATEGORY
. ' AS page_namespace' ),
3252 // Have to do that since DatabaseBase::fieldNamesWithAlias treats numeric indexes
3253 // as not being aliases, and NS_CATEGORY is numeric
3254 array( 'cl_from' => $id ),
3257 return TitleArray
::newFromResult( $res );
3261 * Returns a list of hidden categories this page is a member of.
3262 * Uses the page_props and categorylinks tables.
3264 * @return array Array of Title objects
3266 public function getHiddenCategories() {
3268 $id = $this->getId();
3274 $dbr = wfGetDB( DB_SLAVE
);
3275 $res = $dbr->select( array( 'categorylinks', 'page_props', 'page' ),
3277 array( 'cl_from' => $id, 'pp_page=page_id', 'pp_propname' => 'hiddencat',
3278 'page_namespace' => NS_CATEGORY
, 'page_title=cl_to' ),
3281 if ( $res !== false ) {
3282 foreach ( $res as $row ) {
3283 $result[] = Title
::makeTitle( NS_CATEGORY
, $row->cl_to
);
3291 * Return an applicable autosummary if one exists for the given edit.
3292 * @param string|null $oldtext The previous text of the page.
3293 * @param string|null $newtext The submitted text of the page.
3294 * @param int $flags Bitmask: a bitmask of flags submitted for the edit.
3295 * @return string An appropriate autosummary, or an empty string.
3297 * @deprecated since 1.21, use ContentHandler::getAutosummary() instead
3299 public static function getAutosummary( $oldtext, $newtext, $flags ) {
3300 // NOTE: stub for backwards-compatibility. assumes the given text is
3301 // wikitext. will break horribly if it isn't.
3303 ContentHandler
::deprecated( __METHOD__
, '1.21' );
3305 $handler = ContentHandler
::getForModelID( CONTENT_MODEL_WIKITEXT
);
3306 $oldContent = is_null( $oldtext ) ?
null : $handler->unserializeContent( $oldtext );
3307 $newContent = is_null( $newtext ) ?
null : $handler->unserializeContent( $newtext );
3309 return $handler->getAutosummary( $oldContent, $newContent, $flags );
3313 * Auto-generates a deletion reason
3315 * @param bool &$hasHistory Whether the page has a history
3316 * @return string|bool String containing deletion reason or empty string, or boolean false
3317 * if no revision occurred
3319 public function getAutoDeleteReason( &$hasHistory ) {
3320 return $this->getContentHandler()->getAutoDeleteReason( $this->getTitle(), $hasHistory );
3324 * Update all the appropriate counts in the category table, given that
3325 * we've added the categories $added and deleted the categories $deleted.
3327 * @param array $added The names of categories that were added
3328 * @param array $deleted The names of categories that were deleted
3330 public function updateCategoryCounts( array $added, array $deleted ) {
3332 $method = __METHOD__
;
3333 $dbw = wfGetDB( DB_MASTER
);
3335 // Do this at the end of the commit to reduce lock wait timeouts
3336 $dbw->onTransactionPreCommitOrIdle(
3337 function() use ( $dbw, $that, $method, $added, $deleted ) {
3338 $ns = $that->getTitle()->getNamespace();
3340 $addFields = array( 'cat_pages = cat_pages + 1' );
3341 $removeFields = array( 'cat_pages = cat_pages - 1' );
3342 if ( $ns == NS_CATEGORY
) {
3343 $addFields[] = 'cat_subcats = cat_subcats + 1';
3344 $removeFields[] = 'cat_subcats = cat_subcats - 1';
3345 } elseif ( $ns == NS_FILE
) {
3346 $addFields[] = 'cat_files = cat_files + 1';
3347 $removeFields[] = 'cat_files = cat_files - 1';
3350 if ( count( $added ) ) {
3351 $insertRows = array();
3352 foreach ( $added as $cat ) {
3353 $insertRows[] = array(
3354 'cat_title' => $cat,
3356 'cat_subcats' => ( $ns == NS_CATEGORY
) ?
1 : 0,
3357 'cat_files' => ( $ns == NS_FILE
) ?
1 : 0,
3363 array( 'cat_title' ),
3369 if ( count( $deleted ) ) {
3373 array( 'cat_title' => $deleted ),
3378 foreach ( $added as $catName ) {
3379 $cat = Category
::newFromName( $catName );
3380 wfRunHooks( 'CategoryAfterPageAdded', array( $cat, $that ) );
3383 foreach ( $deleted as $catName ) {
3384 $cat = Category
::newFromName( $catName );
3385 wfRunHooks( 'CategoryAfterPageRemoved', array( $cat, $that ) );
3392 * Updates cascading protections
3394 * @param ParserOutput $parserOutput ParserOutput object for the current version
3396 public function doCascadeProtectionUpdates( ParserOutput
$parserOutput ) {
3397 if ( wfReadOnly() ||
!$this->mTitle
->areRestrictionsCascading() ) {
3401 // templatelinks or imagelinks tables may have become out of sync,
3402 // especially if using variable-based transclusions.
3403 // For paranoia, check if things have changed and if
3404 // so apply updates to the database. This will ensure
3405 // that cascaded protections apply as soon as the changes
3408 // Get templates from templatelinks and images from imagelinks
3409 $id = $this->getId();
3413 $dbr = wfGetDB( DB_SLAVE
);
3414 $res = $dbr->select( array( 'templatelinks' ),
3415 array( 'tl_namespace', 'tl_title' ),
3416 array( 'tl_from' => $id ),
3420 foreach ( $res as $row ) {
3421 $dbLinks["{$row->tl_namespace}:{$row->tl_title}"] = true;
3424 $dbr = wfGetDB( DB_SLAVE
);
3425 $res = $dbr->select( array( 'imagelinks' ),
3427 array( 'il_from' => $id ),
3431 foreach ( $res as $row ) {
3432 $dbLinks[NS_FILE
. ":{$row->il_to}"] = true;
3435 // Get templates and images from parser output.
3437 foreach ( $parserOutput->getTemplates() as $ns => $templates ) {
3438 foreach ( $templates as $dbk => $id ) {
3439 $poLinks["$ns:$dbk"] = true;
3442 foreach ( $parserOutput->getImages() as $dbk => $id ) {
3443 $poLinks[NS_FILE
. ":$dbk"] = true;
3447 $links_diff = array_diff_key( $poLinks, $dbLinks );
3449 if ( count( $links_diff ) > 0 ) {
3450 // Whee, link updates time.
3451 // Note: we are only interested in links here. We don't need to get
3452 // other DataUpdate items from the parser output.
3453 $u = new LinksUpdate( $this->mTitle
, $parserOutput, false );
3459 * Return a list of templates used by this article.
3460 * Uses the templatelinks table
3462 * @deprecated since 1.19; use Title::getTemplateLinksFrom()
3463 * @return array Array of Title objects
3465 public function getUsedTemplates() {
3466 return $this->mTitle
->getTemplateLinksFrom();
3470 * This function is called right before saving the wikitext,
3471 * so we can do things like signatures and links-in-context.
3473 * @deprecated since 1.19; use Parser::preSaveTransform() instead
3474 * @param string $text Article contents
3475 * @param User $user User doing the edit
3476 * @param ParserOptions $popts Parser options, default options for
3477 * the user loaded if null given
3478 * @return string Article contents with altered wikitext markup (signatures
3479 * converted, {{subst:}}, templates, etc.)
3481 public function preSaveTransform( $text, User
$user = null, ParserOptions
$popts = null ) {
3482 global $wgParser, $wgUser;
3484 wfDeprecated( __METHOD__
, '1.19' );
3486 $user = is_null( $user ) ?
$wgUser : $user;
3488 if ( $popts === null ) {
3489 $popts = ParserOptions
::newFromUser( $user );
3492 return $wgParser->preSaveTransform( $text, $this->mTitle
, $user, $popts );
3496 * Check whether the number of revisions of this page surpasses $wgDeleteRevisionsLimit
3498 * @deprecated since 1.19; use Title::isBigDeletion() instead.
3501 public function isBigDeletion() {
3502 wfDeprecated( __METHOD__
, '1.19' );
3503 return $this->mTitle
->isBigDeletion();
3507 * Get the approximate revision count of this page.
3509 * @deprecated since 1.19; use Title::estimateRevisionCount() instead.
3512 public function estimateRevisionCount() {
3513 wfDeprecated( __METHOD__
, '1.19' );
3514 return $this->mTitle
->estimateRevisionCount();
3518 * Update the article's restriction field, and leave a log entry.
3520 * @deprecated since 1.19
3521 * @param array $limit Set of restriction keys
3522 * @param string $reason
3523 * @param int &$cascade Set to false if cascading protection isn't allowed.
3524 * @param array $expiry Per restriction type expiration
3525 * @param User $user The user updating the restrictions
3526 * @return bool true on success
3528 public function updateRestrictions(
3529 $limit = array(), $reason = '', &$cascade = 0, $expiry = array(), User
$user = null
3533 $user = is_null( $user ) ?
$wgUser : $user;
3535 return $this->doUpdateRestrictions( $limit, $expiry, $cascade, $reason, $user )->isOK();
3539 * Returns a list of updates to be performed when this page is deleted. The
3540 * updates should remove any information about this page from secondary data
3541 * stores such as links tables.
3543 * @param Content|null $content Optional Content object for determining the
3544 * necessary updates.
3545 * @return array An array of DataUpdates objects
3547 public function getDeletionUpdates( Content
$content = null ) {
3549 // load content object, which may be used to determine the necessary updates
3550 // XXX: the content may not be needed to determine the updates, then this would be overhead.
3551 $content = $this->getContent( Revision
::RAW
);
3557 $updates = $content->getDeletionUpdates( $this );
3560 wfRunHooks( 'WikiPageDeletionUpdates', array( $this, $content, &$updates ) );
3566 class PoolWorkArticleView
extends PoolCounterWork
{
3576 /** @var ParserOptions */
3577 private $parserOptions;
3579 /** @var Content|null */
3580 private $content = null;
3582 /** @var ParserOutput|bool */
3583 private $parserOutput = false;
3586 private $isDirty = false;
3588 /** @var Status|bool */
3589 private $error = false;
3593 * @param int $revid ID of the revision being parsed.
3594 * @param bool $useParserCache Whether to use the parser cache.
3595 * @param ParserOptions $parserOptions ParserOptions to use for the parse
3597 * @param Content|string $content Content to parse or null to load it; may
3598 * also be given as a wikitext string, for BC.
3600 public function __construct( Page
$page, ParserOptions
$parserOptions,
3601 $revid, $useParserCache, $content = null
3603 if ( is_string( $content ) ) { // BC: old style call
3604 $modelId = $page->getRevision()->getContentModel();
3605 $format = $page->getRevision()->getContentFormat();
3606 $content = ContentHandler
::makeContent( $content, $page->getTitle(), $modelId, $format );
3609 $this->page
= $page;
3610 $this->revid
= $revid;
3611 $this->cacheable
= $useParserCache;
3612 $this->parserOptions
= $parserOptions;
3613 $this->content
= $content;
3614 $this->cacheKey
= ParserCache
::singleton()->getKey( $page, $parserOptions );
3615 parent
::__construct( 'ArticleView', $this->cacheKey
. ':revid:' . $revid );
3619 * Get the ParserOutput from this object, or false in case of failure
3621 * @return ParserOutput
3623 public function getParserOutput() {
3624 return $this->parserOutput
;
3628 * Get whether the ParserOutput is a dirty one (i.e. expired)
3632 public function getIsDirty() {
3633 return $this->isDirty
;
3637 * Get a Status object in case of error or false otherwise
3639 * @return Status|bool
3641 public function getError() {
3642 return $this->error
;
3648 public function doWork() {
3649 global $wgUseFileCache;
3651 // @todo several of the methods called on $this->page are not declared in Page, but present
3652 // in WikiPage and delegated by Article.
3654 $isCurrent = $this->revid
=== $this->page
->getLatest();
3656 if ( $this->content
!== null ) {
3657 $content = $this->content
;
3658 } elseif ( $isCurrent ) {
3659 // XXX: why use RAW audience here, and PUBLIC (default) below?
3660 $content = $this->page
->getContent( Revision
::RAW
);
3662 $rev = Revision
::newFromTitle( $this->page
->getTitle(), $this->revid
);
3664 if ( $rev === null ) {
3667 // XXX: why use PUBLIC audience here (default), and RAW above?
3668 $content = $rev->getContent();
3672 if ( $content === null ) {
3676 // Reduce effects of race conditions for slow parses (bug 46014)
3677 $cacheTime = wfTimestampNow();
3679 $time = - microtime( true );
3680 $this->parserOutput
= $content->getParserOutput(
3681 $this->page
->getTitle(),
3683 $this->parserOptions
3685 $time +
= microtime( true );
3689 wfDebugLog( 'slow-parse', sprintf( "%-5.2f %s", $time,
3690 $this->page
->getTitle()->getPrefixedDBkey() ) );
3693 if ( $this->cacheable
&& $this->parserOutput
->isCacheable() && $isCurrent ) {
3694 ParserCache
::singleton()->save(
3695 $this->parserOutput
, $this->page
, $this->parserOptions
, $cacheTime, $this->revid
);
3698 // Make sure file cache is not used on uncacheable content.
3699 // Output that has magic words in it can still use the parser cache
3700 // (if enabled), though it will generally expire sooner.
3701 if ( !$this->parserOutput
->isCacheable() ||
$this->parserOutput
->containsOldMagic() ) {
3702 $wgUseFileCache = false;
3706 $this->page
->doCascadeProtectionUpdates( $this->parserOutput
);
3715 public function getCachedWork() {
3716 $this->parserOutput
= ParserCache
::singleton()->get( $this->page
, $this->parserOptions
);
3718 if ( $this->parserOutput
=== false ) {
3719 wfDebug( __METHOD__
. ": parser cache miss\n" );
3722 wfDebug( __METHOD__
. ": parser cache hit\n" );
3730 public function fallback() {
3731 $this->parserOutput
= ParserCache
::singleton()->getDirty( $this->page
, $this->parserOptions
);
3733 if ( $this->parserOutput
=== false ) {
3734 wfDebugLog( 'dirty', 'dirty missing' );
3735 wfDebug( __METHOD__
. ": no dirty cache\n" );
3738 wfDebug( __METHOD__
. ": sending dirty output\n" );
3739 wfDebugLog( 'dirty', "dirty output {$this->cacheKey}" );
3740 $this->isDirty
= true;
3746 * @param Status $status
3749 public function error( $status ) {
3750 $this->error
= $status;