7 * Class representing a MediaWiki article and history.
9 * See design.txt for an overview.
10 * Note: edit user interface and cache support functions have been
11 * moved to separate EditPage and HTMLFileCache classes.
20 var $mContentLoaded; //!<
23 var $mGoodAdjustment; //!<
27 var $mRedirectedFrom; //!<
28 var $mRedirectUrl; //!<
29 var $mRevIdFetched; //!<
33 var $mTotalAdjustment; //!<
40 * Constructor and clear the article
41 * @param $title Reference to a Title object.
42 * @param $oldId Integer revision ID, null to fetch from request, zero for current
44 function __construct( Title
$title, $oldId = null ) {
45 $this->mTitle
=& $title;
46 $this->mOldId
= $oldId;
51 * Tell the page view functions that this view was redirected
52 * from another page on the wiki.
53 * @param $from Title object.
55 function setRedirectedFrom( $from ) {
56 $this->mRedirectedFrom
= $from;
60 * @return mixed false, Title of in-wiki target, or string with URL
62 function followRedirect() {
63 $text = $this->getContent();
64 $rt = Title
::newFromRedirect( $text );
66 # process if title object is valid and not special:userlogout
68 if( $rt->getInterwiki() != '' ) {
69 if( $rt->isLocal() ) {
70 // Offsite wikis need an HTTP redirect.
72 // This can be hard to reverse and may produce loops,
73 // so they may be disabled in the site configuration.
75 $source = $this->mTitle
->getFullURL( 'redirect=no' );
76 return $rt->getFullURL( 'rdfrom=' . urlencode( $source ) );
79 if( $rt->getNamespace() == NS_SPECIAL
) {
80 // Gotta handle redirects to special pages differently:
81 // Fill the HTTP response "Location" header and ignore
82 // the rest of the page we're on.
84 // This can be hard to reverse, so they may be disabled.
86 if( $rt->isSpecial( 'Userlogout' ) ) {
89 return $rt->getFullURL();
96 // No or invalid redirect
101 * get the title object of the article
103 function getTitle() {
104 return $this->mTitle
;
112 $this->mDataLoaded
= false;
113 $this->mContentLoaded
= false;
115 $this->mCurID
= $this->mUser
= $this->mCounter
= -1; # Not loaded
116 $this->mRedirectedFrom
= null; # Title object if set
118 $this->mTimestamp
= $this->mComment
= '';
119 $this->mGoodAdjustment
= $this->mTotalAdjustment
= 0;
120 $this->mTouched
= '19700101000000';
121 $this->mForUpdate
= false;
122 $this->mIsRedirect
= false;
123 $this->mRevIdFetched
= 0;
124 $this->mRedirectUrl
= false;
125 $this->mLatest
= false;
126 $this->mPreparedEdit
= false;
130 * Note that getContent/loadContent do not follow redirects anymore.
131 * If you need to fetch redirectable content easily, try
132 * the shortcut in Article::followContent()
134 * @todo There are still side-effects in this!
135 * In general, you should use the Revision class, not Article,
136 * to fetch text for purposes other than page views.
138 * @return Return the text of this revision
140 function getContent() {
141 global $wgUser, $wgOut, $wgMessageCache;
143 wfProfileIn( __METHOD__
);
145 if ( 0 == $this->getID() ) {
146 wfProfileOut( __METHOD__
);
147 $wgOut->setRobotpolicy( 'noindex,nofollow' );
149 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
150 $wgMessageCache->loadAllMessages();
151 $ret = wfMsgWeirdKey ( $this->mTitle
->getText() ) ;
153 $ret = wfMsg( $wgUser->isLoggedIn() ?
'noarticletext' : 'noarticletextanon' );
156 return "<div class='noarticletext'>$ret</div>";
158 $this->loadContent();
159 wfProfileOut( __METHOD__
);
160 return $this->mContent
;
165 * This function returns the text of a section, specified by a number ($section).
166 * A section is text under a heading like == Heading == or \<h1\>Heading\</h1\>, or
167 * the first section before any such heading (section 0).
169 * If a section contains subsections, these are also returned.
171 * @param $text String: text to look in
172 * @param $section Integer: section number
173 * @return string text of the requested section
176 function getSection($text,$section) {
178 return $wgParser->getSection( $text, $section );
182 * @return int The oldid of the article that is to be shown, 0 for the
185 function getOldID() {
186 if ( is_null( $this->mOldId
) ) {
187 $this->mOldId
= $this->getOldIDFromRequest();
189 return $this->mOldId
;
193 * Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect
195 * @return int The old id for the request
197 function getOldIDFromRequest() {
199 $this->mRedirectUrl
= false;
200 $oldid = $wgRequest->getVal( 'oldid' );
201 if ( isset( $oldid ) ) {
202 $oldid = intval( $oldid );
203 if ( $wgRequest->getVal( 'direction' ) == 'next' ) {
204 $nextid = $this->mTitle
->getNextRevisionID( $oldid );
208 $this->mRedirectUrl
= $this->mTitle
->getFullURL( 'redirect=no' );
210 } elseif ( $wgRequest->getVal( 'direction' ) == 'prev' ) {
211 $previd = $this->mTitle
->getPreviousRevisionID( $oldid );
229 * Load the revision (including text) into this object
231 function loadContent() {
232 if ( $this->mContentLoaded
) return;
235 $oldid = $this->getOldID();
237 # Pre-fill content with error message so that if something
238 # fails we'll have something telling us what we intended.
239 $this->mOldId
= $oldid;
240 $this->fetchContent( $oldid );
245 * Fetch a page record with the given conditions
246 * @param Database $dbr
247 * @param array $conditions
250 function pageData( $dbr, $conditions ) {
264 wfRunHooks( 'ArticlePageDataBefore', array( &$this, &$fields ) );
265 $row = $dbr->selectRow(
271 wfRunHooks( 'ArticlePageDataAfter', array( &$this, &$row ) );
276 * @param Database $dbr
277 * @param Title $title
279 function pageDataFromTitle( $dbr, $title ) {
280 return $this->pageData( $dbr, array(
281 'page_namespace' => $title->getNamespace(),
282 'page_title' => $title->getDBkey() ) );
286 * @param Database $dbr
289 function pageDataFromId( $dbr, $id ) {
290 return $this->pageData( $dbr, array( 'page_id' => $id ) );
294 * Set the general counter, title etc data loaded from
297 * @param object $data
300 function loadPageData( $data = 'fromdb' ) {
301 if ( $data === 'fromdb' ) {
302 $dbr = $this->getDB();
303 $data = $this->pageDataFromId( $dbr, $this->getId() );
306 $lc =& LinkCache
::singleton();
308 $lc->addGoodLinkObj( $data->page_id
, $this->mTitle
);
310 $this->mTitle
->mArticleID
= $data->page_id
;
312 # Old-fashioned restrictions.
313 $this->mTitle
->loadRestrictions( $data->page_restrictions
);
315 $this->mCounter
= $data->page_counter
;
316 $this->mTouched
= wfTimestamp( TS_MW
, $data->page_touched
);
317 $this->mIsRedirect
= $data->page_is_redirect
;
318 $this->mLatest
= $data->page_latest
;
320 if ( is_object( $this->mTitle
) ) {
321 $lc->addBadLinkObj( $this->mTitle
);
323 $this->mTitle
->mArticleID
= 0;
326 $this->mDataLoaded
= true;
330 * Get text of an article from database
331 * Does *NOT* follow redirects.
332 * @param int $oldid 0 for whatever the latest revision is
335 function fetchContent( $oldid = 0 ) {
336 if ( $this->mContentLoaded
) {
337 return $this->mContent
;
340 $dbr = $this->getDB();
342 # Pre-fill content with error message so that if something
343 # fails we'll have something telling us what we intended.
344 $t = $this->mTitle
->getPrefixedText();
346 $t .= ',oldid='.$oldid;
348 $this->mContent
= wfMsg( 'missingarticle', $t ) ;
351 $revision = Revision
::newFromId( $oldid );
352 if( is_null( $revision ) ) {
353 wfDebug( __METHOD__
." failed to retrieve specified revision, id $oldid\n" );
356 $data = $this->pageDataFromId( $dbr, $revision->getPage() );
358 wfDebug( __METHOD__
." failed to get page data linked to revision id $oldid\n" );
361 $this->mTitle
= Title
::makeTitle( $data->page_namespace
, $data->page_title
);
362 $this->loadPageData( $data );
364 if( !$this->mDataLoaded
) {
365 $data = $this->pageDataFromTitle( $dbr, $this->mTitle
);
367 wfDebug( __METHOD__
." failed to find page data for title " . $this->mTitle
->getPrefixedText() . "\n" );
370 $this->loadPageData( $data );
372 $revision = Revision
::newFromId( $this->mLatest
);
373 if( is_null( $revision ) ) {
374 wfDebug( __METHOD__
." failed to retrieve current page, rev_id {$data->page_latest}\n" );
379 // FIXME: Horrible, horrible! This content-loading interface just plain sucks.
380 // We should instead work with the Revision object when we need it...
381 $this->mContent
= $revision->revText(); // Loads if user is allowed
383 $this->mUser
= $revision->getUser();
384 $this->mUserText
= $revision->getUserText();
385 $this->mComment
= $revision->getComment();
386 $this->mTimestamp
= wfTimestamp( TS_MW
, $revision->getTimestamp() );
388 $this->mRevIdFetched
= $revision->getID();
389 $this->mContentLoaded
= true;
390 $this->mRevision
=& $revision;
392 wfRunHooks( 'ArticleAfterFetchContent', array( &$this, &$this->mContent
) ) ;
394 return $this->mContent
;
398 * Read/write accessor to select FOR UPDATE
400 * @param $x Mixed: FIXME
402 function forUpdate( $x = NULL ) {
403 return wfSetVar( $this->mForUpdate
, $x );
407 * Get the database which should be used for reads
412 return wfGetDB( DB_MASTER
);
416 * Get options for all SELECT statements
418 * @param $options Array: an optional options array which'll be appended to
420 * @return Array: options
422 function getSelectOptions( $options = '' ) {
423 if ( $this->mForUpdate
) {
424 if ( is_array( $options ) ) {
425 $options[] = 'FOR UPDATE';
427 $options = 'FOR UPDATE';
434 * @return int Page ID
437 if( $this->mTitle
) {
438 return $this->mTitle
->getArticleID();
445 * @return bool Whether or not the page exists in the database
448 return $this->getId() != 0;
452 * @return int The view count for the page
454 function getCount() {
455 if ( -1 == $this->mCounter
) {
456 $id = $this->getID();
460 $dbr = wfGetDB( DB_SLAVE
);
461 $this->mCounter
= $dbr->selectField( 'page', 'page_counter', array( 'page_id' => $id ),
462 'Article::getCount', $this->getSelectOptions() );
465 return $this->mCounter
;
469 * Determine whether a page would be suitable for being counted as an
470 * article in the site_stats table based on the title & its content
472 * @param $text String: text to analyze
475 function isCountable( $text ) {
476 global $wgUseCommaCount;
478 $token = $wgUseCommaCount ?
',' : '[[';
480 $this->mTitle
->isContentPage()
481 && !$this->isRedirect( $text )
482 && in_string( $token, $text );
486 * Tests if the article text represents a redirect
488 * @param $text String: FIXME
491 function isRedirect( $text = false ) {
492 if ( $text === false ) {
493 $this->loadContent();
494 $titleObj = Title
::newFromRedirect( $this->fetchContent() );
496 $titleObj = Title
::newFromRedirect( $text );
498 return $titleObj !== NULL;
502 * Returns true if the currently-referenced revision is the current edit
503 * to this page (and it exists).
506 function isCurrent() {
507 # If no oldid, this is the current version.
508 if ($this->getOldID() == 0)
511 return $this->exists() &&
512 isset( $this->mRevision
) &&
513 $this->mRevision
->isCurrent();
517 * Loads everything except the text
518 * This isn't necessary for all uses, so it's only done if needed.
521 function loadLastEdit() {
522 if ( -1 != $this->mUser
)
525 # New or non-existent articles have no user information
526 $id = $this->getID();
527 if ( 0 == $id ) return;
529 $this->mLastRevision
= Revision
::loadFromPageId( $this->getDB(), $id );
530 if( !is_null( $this->mLastRevision
) ) {
531 $this->mUser
= $this->mLastRevision
->getUser();
532 $this->mUserText
= $this->mLastRevision
->getUserText();
533 $this->mTimestamp
= $this->mLastRevision
->getTimestamp();
534 $this->mComment
= $this->mLastRevision
->getComment();
535 $this->mMinorEdit
= $this->mLastRevision
->isMinor();
536 $this->mRevIdFetched
= $this->mLastRevision
->getID();
540 function getTimestamp() {
541 // Check if the field has been filled by ParserCache::get()
542 if ( !$this->mTimestamp
) {
543 $this->loadLastEdit();
545 return wfTimestamp(TS_MW
, $this->mTimestamp
);
549 $this->loadLastEdit();
553 function getUserText() {
554 $this->loadLastEdit();
555 return $this->mUserText
;
558 function getComment() {
559 $this->loadLastEdit();
560 return $this->mComment
;
563 function getMinorEdit() {
564 $this->loadLastEdit();
565 return $this->mMinorEdit
;
568 function getRevIdFetched() {
569 $this->loadLastEdit();
570 return $this->mRevIdFetched
;
574 * @todo Document, fixme $offset never used.
575 * @param $limit Integer: default 0.
576 * @param $offset Integer: default 0.
578 function getContributors($limit = 0, $offset = 0) {
579 # XXX: this is expensive; cache this info somewhere.
582 $dbr = wfGetDB( DB_SLAVE
);
583 $revTable = $dbr->tableName( 'revision' );
584 $userTable = $dbr->tableName( 'user' );
585 $user = $this->getUser();
586 $pageId = $this->getId();
588 $sql = "SELECT rev_user, rev_user_text, user_real_name, MAX(rev_timestamp) as timestamp
589 FROM $revTable LEFT JOIN $userTable ON rev_user = user_id
590 WHERE rev_page = $pageId
591 AND rev_user != $user
592 GROUP BY rev_user, rev_user_text, user_real_name
593 ORDER BY timestamp DESC";
595 if ($limit > 0) { $sql .= ' LIMIT '.$limit; }
596 $sql .= ' '. $this->getSelectOptions();
598 $res = $dbr->query($sql, __METHOD__
);
600 while ( $line = $dbr->fetchObject( $res ) ) {
601 $contribs[] = array($line->rev_user
, $line->rev_user_text
, $line->user_real_name
);
604 $dbr->freeResult($res);
609 * This is the default action of the script: just view the page of
613 global $wgUser, $wgOut, $wgRequest, $wgContLang;
614 global $wgEnableParserCache, $wgStylePath, $wgParser;
615 global $wgUseTrackbacks, $wgNamespaceRobotPolicies, $wgArticleRobotPolicies;
616 global $wgDefaultRobotPolicy;
617 $sk = $wgUser->getSkin();
619 wfProfileIn( __METHOD__
);
621 $parserCache =& ParserCache
::singleton();
622 $ns = $this->mTitle
->getNamespace(); # shortcut
624 # Get variables from query string
625 $oldid = $this->getOldID();
627 # getOldID may want us to redirect somewhere else
628 if ( $this->mRedirectUrl
) {
629 $wgOut->redirect( $this->mRedirectUrl
);
630 wfProfileOut( __METHOD__
);
634 $diff = $wgRequest->getVal( 'diff' );
635 $rcid = $wgRequest->getVal( 'rcid' );
636 $rdfrom = $wgRequest->getVal( 'rdfrom' );
637 $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
638 $purge = $wgRequest->getVal( 'action' ) == 'purge';
640 $wgOut->setArticleFlag( true );
642 # Discourage indexing of printable versions, but encourage following
643 if( $wgOut->isPrintable() ) {
644 $policy = 'noindex,follow';
645 } elseif ( isset( $wgArticleRobotPolicies[$this->mTitle
->getPrefixedText()] ) ) {
646 $policy = $wgArticleRobotPolicies[$this->mTitle
->getPrefixedText()];
647 } elseif( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
648 # Honour customised robot policies for this namespace
649 $policy = $wgNamespaceRobotPolicies[$ns];
651 $policy = $wgDefaultRobotPolicy;
653 $wgOut->setRobotPolicy( $policy );
655 # If we got diff and oldid in the query, we want to see a
656 # diff page instead of the article.
658 if ( !is_null( $diff ) ) {
659 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
661 $de = new DifferenceEngine( $this->mTitle
, $oldid, $diff, $rcid, $purge );
662 // DifferenceEngine directly fetched the revision:
663 $this->mRevIdFetched
= $de->mNewid
;
664 $de->showDiffPage( $diffOnly );
666 // Needed to get the page's current revision
667 $this->loadPageData();
668 if( $diff == 0 ||
$diff == $this->mLatest
) {
669 # Run view updates for current revision only
670 $this->viewUpdates();
672 wfProfileOut( __METHOD__
);
676 if ( empty( $oldid ) && $this->checkTouched() ) {
677 $wgOut->setETag($parserCache->getETag($this, $wgUser));
679 if( $wgOut->checkLastModified( $this->mTouched
) ){
680 wfProfileOut( __METHOD__
);
682 } else if ( $this->tryFileCache() ) {
683 # tell wgOut that output is taken care of
685 $this->viewUpdates();
686 wfProfileOut( __METHOD__
);
691 # Should the parser cache be used?
692 $pcache = $wgEnableParserCache
693 && intval( $wgUser->getOption( 'stubthreshold' ) ) == 0
696 && !$this->mTitle
->isCssOrJsPage()
697 && !$this->mTitle
->isCssJsSubpage();
698 wfDebug( 'Article::view using parser cache: ' . ($pcache ?
'yes' : 'no' ) . "\n" );
699 if ( $wgUser->getOption( 'stubthreshold' ) ) {
700 wfIncrStats( 'pcache_miss_stub' );
703 $wasRedirected = false;
704 if ( isset( $this->mRedirectedFrom
) ) {
705 // This is an internally redirected page view.
706 // We'll need a backlink to the source page for navigation.
707 if ( wfRunHooks( 'ArticleViewRedirect', array( &$this ) ) ) {
708 $sk = $wgUser->getSkin();
709 $redir = $sk->makeKnownLinkObj( $this->mRedirectedFrom
, '', 'redirect=no' );
710 $s = wfMsg( 'redirectedfrom', $redir );
711 $wgOut->setSubtitle( $s );
713 // Set the fragment if one was specified in the redirect
714 if ( strval( $this->mTitle
->getFragment() ) != '' ) {
715 $fragment = Xml
::escapeJsString( $this->mTitle
->getFragmentForURL() );
716 $wgOut->addInlineScript( "redirectToFragment(\"$fragment\");" );
718 $wasRedirected = true;
720 } elseif ( !empty( $rdfrom ) ) {
721 // This is an externally redirected view, from some other wiki.
722 // If it was reported from a trusted site, supply a backlink.
723 global $wgRedirectSources;
724 if( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
725 $sk = $wgUser->getSkin();
726 $redir = $sk->makeExternalLink( $rdfrom, $rdfrom );
727 $s = wfMsg( 'redirectedfrom', $redir );
728 $wgOut->setSubtitle( $s );
729 $wasRedirected = true;
734 wfRunHooks( 'ArticleViewHeader', array( &$this, &$outputDone, &$pcache ) );
736 if ( $wgOut->tryParserCache( $this, $wgUser ) ) {
737 // Ensure that UI elements requiring revision ID have
738 // the correct version information.
739 $wgOut->setRevisionId( $this->mLatest
);
743 if ( !$outputDone ) {
744 $text = $this->getContent();
745 if ( $text === false ) {
746 # Failed to load, replace text with error message
747 $t = $this->mTitle
->getPrefixedText();
749 $t .= ',oldid='.$oldid;
750 $text = wfMsg( 'missingarticle', $t );
752 $text = wfMsg( 'noarticletext', $t );
756 # Another whitelist check in case oldid is altering the title
757 if ( !$this->mTitle
->userCanRead() ) {
758 $wgOut->loginToUse();
763 # We're looking at an old revision
765 if ( !empty( $oldid ) ) {
766 $wgOut->setRobotpolicy( 'noindex,nofollow' );
767 if( is_null( $this->mRevision
) ) {
768 // FIXME: This would be a nice place to load the 'no such page' text.
770 $this->setOldSubtitle( isset($this->mOldId
) ?
$this->mOldId
: $oldid );
771 if( $this->mRevision
->isDeleted( Revision
::DELETED_TEXT
) ) {
772 if( !$this->mRevision
->userCan( Revision
::DELETED_TEXT
) ) {
773 $wgOut->addWikiMsg( 'rev-deleted-text-permission' );
774 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
777 $wgOut->addWikiMsg( 'rev-deleted-text-view' );
778 // and we are allowed to see...
786 $wgOut->setRevisionId( $this->getRevIdFetched() );
788 // Pages containing custom CSS or JavaScript get special treatment
789 if( $this->mTitle
->isCssOrJsPage() ||
$this->mTitle
->isCssJsSubpage() ) {
790 $wgOut->addHtml( wfMsgExt( 'clearyourcache', 'parse' ) );
792 // Give hooks a chance to customise the output
793 if( wfRunHooks( 'ShowRawCssJs', array( $this->mContent
, $this->mTitle
, $wgOut ) ) ) {
794 // Wrap the whole lot in a <pre> and don't parse
796 preg_match( '!\.(css|js)$!u', $this->mTitle
->getText(), $m );
797 $wgOut->addHtml( "<pre class=\"mw-code mw-{$m[1]}\" dir=\"ltr\">\n" );
798 $wgOut->addHtml( htmlspecialchars( $this->mContent
) );
799 $wgOut->addHtml( "\n</pre>\n" );
804 elseif ( $rt = Title
::newFromRedirect( $text ) ) {
806 $imageDir = $wgContLang->isRTL() ?
'rtl' : 'ltr';
807 $imageUrl = $wgStylePath.'/common/images/redirect' . $imageDir . '.png';
808 # Don't overwrite the subtitle if this was an old revision
809 if( !$wasRedirected && $this->isCurrent() ) {
810 $wgOut->setSubtitle( wfMsgHtml( 'redirectpagesub' ) );
812 $link = $sk->makeLinkObj( $rt, $rt->getFullText() );
814 $wgOut->addHTML( '<img src="'.$imageUrl.'" alt="#REDIRECT " />' .
815 '<span class="redirectText">'.$link.'</span>' );
817 $parseout = $wgParser->parse($text, $this->mTitle
, ParserOptions
::newFromUser($wgUser));
818 $wgOut->addParserOutputNoText( $parseout );
819 } else if ( $pcache ) {
820 # Display content and save to parser cache
821 $this->outputWikiText( $text );
823 # Display content, don't attempt to save to parser cache
824 # Don't show section-edit links on old revisions... this way lies madness.
825 if( !$this->isCurrent() ) {
826 $oldEditSectionSetting = $wgOut->parserOptions()->setEditSection( false );
828 # Display content and don't save to parser cache
829 # With timing hack -- TS 2006-07-26
831 $this->outputWikiText( $text, false );
836 wfDebugLog( 'slow-parse', sprintf( "%-5.2f %s", $time,
837 $this->mTitle
->getPrefixedDBkey()));
840 if( !$this->isCurrent() ) {
841 $wgOut->parserOptions()->setEditSection( $oldEditSectionSetting );
846 /* title may have been set from the cache */
847 $t = $wgOut->getPageTitle();
849 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
852 # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
853 if( $ns == NS_USER_TALK
&&
854 User
::isIP( $this->mTitle
->getText() ) ) {
855 $wgOut->addWikiMsg('anontalkpagetext');
858 # If we have been passed an &rcid= parameter, we want to give the user a
859 # chance to mark this new article as patrolled.
860 if( !is_null( $rcid ) && $rcid != 0 && $wgUser->isAllowed( 'patrol' ) && $this->mTitle
->exists() ) {
862 "<div class='patrollink'>" .
863 wfMsgHtml( 'markaspatrolledlink',
864 $sk->makeKnownLinkObj( $this->mTitle
, wfMsgHtml('markaspatrolledtext'),
865 "action=markpatrolled&rcid=$rcid" )
872 if ($wgUseTrackbacks)
873 $this->addTrackbacks();
875 $this->viewUpdates();
876 wfProfileOut( __METHOD__
);
879 function addTrackbacks() {
880 global $wgOut, $wgUser;
882 $dbr = wfGetDB(DB_SLAVE
);
884 /* FROM */ 'trackbacks',
885 /* SELECT */ array('tb_id', 'tb_title', 'tb_url', 'tb_ex', 'tb_name'),
886 /* WHERE */ array('tb_page' => $this->getID())
889 if (!$dbr->numrows($tbs))
893 while ($o = $dbr->fetchObject($tbs)) {
895 if ($wgUser->isAllowed( 'trackback' )) {
896 $delurl = $this->mTitle
->getFullURL("action=deletetrackback&tbid="
897 . $o->tb_id
. "&token=" . urlencode( $wgUser->editToken() ) );
898 $rmvtxt = wfMsg( 'trackbackremove', htmlspecialchars( $delurl ) );
901 $tbtext .= wfMsg(strlen($o->tb_ex
) ?
'trackbackexcerpt' : 'trackback',
908 $wgOut->addWikiMsg( 'trackbackbox', $tbtext );
911 function deletetrackback() {
912 global $wgUser, $wgRequest, $wgOut, $wgTitle;
914 if (!$wgUser->matchEditToken($wgRequest->getVal('token'))) {
915 $wgOut->addWikiMsg( 'sessionfailure' );
919 $permission_errors = $this->mTitle
->getUserPermissionsErrors( 'delete', $wgUser );
921 if (count($permission_errors)>0)
923 $wgOut->showPermissionsErrorPage( $permission_errors );
927 $db = wfGetDB(DB_MASTER
);
928 $db->delete('trackbacks', array('tb_id' => $wgRequest->getInt('tbid')));
929 $wgTitle->invalidateCache();
930 $wgOut->addWikiMsg('trackbackdeleteok');
936 $wgOut->setArticleBodyOnly(true);
941 * Handle action=purge
944 global $wgUser, $wgRequest, $wgOut;
946 if ( $wgUser->isAllowed( 'purge' ) ||
$wgRequest->wasPosted() ) {
947 if( wfRunHooks( 'ArticlePurge', array( &$this ) ) ) {
951 $msg = $wgOut->parse( wfMsg( 'confirm_purge' ) );
952 $action = htmlspecialchars( $_SERVER['REQUEST_URI'] );
953 $button = htmlspecialchars( wfMsg( 'confirm_purge_button' ) );
954 $msg = str_replace( '$1',
955 "<form method=\"post\" action=\"$action\">\n" .
956 "<input type=\"submit\" name=\"submit\" value=\"$button\" />\n" .
959 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
960 $wgOut->setRobotpolicy( 'noindex,nofollow' );
961 $wgOut->addHTML( $msg );
966 * Perform the actions of a page purging
970 // Invalidate the cache
971 $this->mTitle
->invalidateCache();
974 // Commit the transaction before the purge is sent
975 $dbw = wfGetDB( DB_MASTER
);
976 $dbw->immediateCommit();
979 $update = SquidUpdate
::newSimplePurge( $this->mTitle
);
982 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
983 global $wgMessageCache;
984 if ( $this->getID() == 0 ) {
987 $text = $this->getContent();
989 $wgMessageCache->replace( $this->mTitle
->getDBkey(), $text );
995 * Insert a new empty page record for this article.
996 * This *must* be followed up by creating a revision
997 * and running $this->updateToLatest( $rev_id );
998 * or else the record will be left in a funky state.
999 * Best if all done inside a transaction.
1001 * @param Database $dbw
1002 * @return int The newly created page_id key
1005 function insertOn( $dbw ) {
1006 wfProfileIn( __METHOD__
);
1008 $page_id = $dbw->nextSequenceValue( 'page_page_id_seq' );
1009 $dbw->insert( 'page', array(
1010 'page_id' => $page_id,
1011 'page_namespace' => $this->mTitle
->getNamespace(),
1012 'page_title' => $this->mTitle
->getDBkey(),
1013 'page_counter' => 0,
1014 'page_restrictions' => '',
1015 'page_is_redirect' => 0, # Will set this shortly...
1017 'page_random' => wfRandom(),
1018 'page_touched' => $dbw->timestamp(),
1019 'page_latest' => 0, # Fill this in shortly...
1020 'page_len' => 0, # Fill this in shortly...
1022 $newid = $dbw->insertId();
1024 $this->mTitle
->resetArticleId( $newid );
1026 wfProfileOut( __METHOD__
);
1031 * Update the page record to point to a newly saved revision.
1033 * @param Database $dbw
1034 * @param Revision $revision For ID number, and text used to set
1035 length and redirect status fields
1036 * @param int $lastRevision If given, will not overwrite the page field
1037 * when different from the currently set value.
1038 * Giving 0 indicates the new page flag should
1040 * @param bool $lastRevIsRedirect If given, will optimize adding and
1041 * removing rows in redirect table.
1042 * @return bool true on success, false on failure
1045 function updateRevisionOn( &$dbw, $revision, $lastRevision = null, $lastRevIsRedirect = null ) {
1046 wfProfileIn( __METHOD__
);
1048 $text = $revision->getText();
1049 $rt = Title
::newFromRedirect( $text );
1051 $conditions = array( 'page_id' => $this->getId() );
1052 if( !is_null( $lastRevision ) ) {
1053 # An extra check against threads stepping on each other
1054 $conditions['page_latest'] = $lastRevision;
1057 $dbw->update( 'page',
1059 'page_latest' => $revision->getId(),
1060 'page_touched' => $dbw->timestamp(),
1061 'page_is_new' => ($lastRevision === 0) ?
1 : 0,
1062 'page_is_redirect' => $rt !== NULL ?
1 : 0,
1063 'page_len' => strlen( $text ),
1068 $result = $dbw->affectedRows() != 0;
1071 $this->updateRedirectOn( $dbw, $rt, $lastRevIsRedirect );
1074 wfProfileOut( __METHOD__
);
1079 * Add row to the redirect table if this is a redirect, remove otherwise.
1081 * @param Database $dbw
1082 * @param $redirectTitle a title object pointing to the redirect target,
1083 * or NULL if this is not a redirect
1084 * @param bool $lastRevIsRedirect If given, will optimize adding and
1085 * removing rows in redirect table.
1086 * @return bool true on success, false on failure
1089 function updateRedirectOn( &$dbw, $redirectTitle, $lastRevIsRedirect = null ) {
1091 // Always update redirects (target link might have changed)
1092 // Update/Insert if we don't know if the last revision was a redirect or not
1093 // Delete if changing from redirect to non-redirect
1094 $isRedirect = !is_null($redirectTitle);
1095 if ($isRedirect ||
is_null($lastRevIsRedirect) ||
$lastRevIsRedirect !== $isRedirect) {
1097 wfProfileIn( __METHOD__
);
1101 // This title is a redirect, Add/Update row in the redirect table
1102 $set = array( /* SET */
1103 'rd_namespace' => $redirectTitle->getNamespace(),
1104 'rd_title' => $redirectTitle->getDBkey(),
1105 'rd_from' => $this->getId(),
1108 $dbw->replace( 'redirect', array( 'rd_from' ), $set, __METHOD__
);
1110 // This is not a redirect, remove row from redirect table
1111 $where = array( 'rd_from' => $this->getId() );
1112 $dbw->delete( 'redirect', $where, __METHOD__
);
1115 wfProfileOut( __METHOD__
);
1116 return ( $dbw->affectedRows() != 0 );
1123 * If the given revision is newer than the currently set page_latest,
1124 * update the page record. Otherwise, do nothing.
1126 * @param Database $dbw
1127 * @param Revision $revision
1129 function updateIfNewerOn( &$dbw, $revision ) {
1130 wfProfileIn( __METHOD__
);
1132 $row = $dbw->selectRow(
1133 array( 'revision', 'page' ),
1134 array( 'rev_id', 'rev_timestamp', 'page_is_redirect' ),
1136 'page_id' => $this->getId(),
1137 'page_latest=rev_id' ),
1140 if( wfTimestamp(TS_MW
, $row->rev_timestamp
) >= $revision->getTimestamp() ) {
1141 wfProfileOut( __METHOD__
);
1144 $prev = $row->rev_id
;
1145 $lastRevIsRedirect = (bool)$row->page_is_redirect
;
1147 # No or missing previous revision; mark the page as new
1149 $lastRevIsRedirect = null;
1152 $ret = $this->updateRevisionOn( $dbw, $revision, $prev, $lastRevIsRedirect );
1153 wfProfileOut( __METHOD__
);
1158 * @return string Complete article text, or null if error
1160 function replaceSection($section, $text, $summary = '', $edittime = NULL) {
1161 wfProfileIn( __METHOD__
);
1163 if( $section == '' ) {
1164 // Whole-page edit; let the text through unmolested.
1166 if( is_null( $edittime ) ) {
1167 $rev = Revision
::newFromTitle( $this->mTitle
);
1169 $dbw = wfGetDB( DB_MASTER
);
1170 $rev = Revision
::loadFromTimestamp( $dbw, $this->mTitle
, $edittime );
1172 if( is_null( $rev ) ) {
1173 wfDebug( "Article::replaceSection asked for bogus section (page: " .
1174 $this->getId() . "; section: $section; edittime: $edittime)\n" );
1177 $oldtext = $rev->getText();
1179 if( $section == 'new' ) {
1180 # Inserting a new section
1181 $subject = $summary ?
wfMsgForContent('newsectionheaderdefaultlevel',$summary) . "\n\n" : '';
1182 $text = strlen( trim( $oldtext ) ) > 0
1183 ?
"{$oldtext}\n\n{$subject}{$text}"
1184 : "{$subject}{$text}";
1186 # Replacing an existing section; roll out the big guns
1188 $text = $wgParser->replaceSection( $oldtext, $section, $text );
1193 wfProfileOut( __METHOD__
);
1198 * @deprecated use Article::doEdit()
1200 function insertNewArticle( $text, $summary, $isminor, $watchthis, $suppressRC=false, $comment=false, $bot=false ) {
1201 $flags = EDIT_NEW | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
1202 ( $isminor ? EDIT_MINOR
: 0 ) |
1203 ( $suppressRC ? EDIT_SUPPRESS_RC
: 0 ) |
1204 ( $bot ? EDIT_FORCE_BOT
: 0 );
1206 # If this is a comment, add the summary as headline
1207 if ( $comment && $summary != "" ) {
1208 $text = wfMsgForContent('newsectionheaderdefaultlevel',$summary) . "\n\n".$text;
1211 $this->doEdit( $text, $summary, $flags );
1213 $dbw = wfGetDB( DB_MASTER
);
1215 if (!$this->mTitle
->userIsWatching()) {
1221 if ( $this->mTitle
->userIsWatching() ) {
1227 $this->doRedirect( $this->isRedirect( $text ) );
1231 * @deprecated use Article::doEdit()
1233 function updateArticle( $text, $summary, $minor, $watchthis, $forceBot = false, $sectionanchor = '' ) {
1234 $flags = EDIT_UPDATE | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
1235 ( $minor ? EDIT_MINOR
: 0 ) |
1236 ( $forceBot ? EDIT_FORCE_BOT
: 0 );
1238 $good = $this->doEdit( $text, $summary, $flags );
1240 $dbw = wfGetDB( DB_MASTER
);
1242 if (!$this->mTitle
->userIsWatching()) {
1248 if ( $this->mTitle
->userIsWatching() ) {
1255 $extraq = ''; // Give extensions a chance to modify URL query on update
1256 wfRunHooks( 'ArticleUpdateBeforeRedirect', array( $this, &$sectionanchor, &$extraq ) );
1258 $this->doRedirect( $this->isRedirect( $text ), $sectionanchor, $extraq );
1266 * Change an existing article or create a new article. Updates RC and all necessary caches,
1267 * optionally via the deferred update array.
1269 * $wgUser must be set before calling this function.
1271 * @param string $text New text
1272 * @param string $summary Edit summary
1273 * @param integer $flags bitfield:
1275 * Article is known or assumed to be non-existent, create a new one
1277 * Article is known or assumed to be pre-existing, update it
1279 * Mark this edit minor, if the user is allowed to do so
1281 * Do not log the change in recentchanges
1283 * Mark the edit a "bot" edit regardless of user rights
1284 * EDIT_DEFER_UPDATES
1285 * Defer some of the updates until the end of index.php
1287 * Fill in blank summaries with generated text where possible
1289 * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the article will be detected.
1290 * If EDIT_UPDATE is specified and the article doesn't exist, the function will return false. If
1291 * EDIT_NEW is specified and the article does exist, a duplicate key error will cause an exception
1292 * to be thrown from the Database. These two conditions are also possible with auto-detection due
1293 * to MediaWiki's performance-optimised locking strategy.
1295 * @return bool success
1297 function doEdit( $text, $summary, $flags = 0 ) {
1298 global $wgUser, $wgDBtransactions;
1300 wfProfileIn( __METHOD__
);
1303 if ( !($flags & EDIT_NEW
) && !($flags & EDIT_UPDATE
) ) {
1304 $aid = $this->mTitle
->getArticleID( GAID_FOR_UPDATE
);
1306 $flags |
= EDIT_UPDATE
;
1312 if( !wfRunHooks( 'ArticleSave', array( &$this, &$wgUser, &$text,
1313 &$summary, $flags & EDIT_MINOR
,
1314 null, null, &$flags ) ) )
1316 wfDebug( __METHOD__
. ": ArticleSave hook aborted save!\n" );
1317 wfProfileOut( __METHOD__
);
1321 # Silently ignore EDIT_MINOR if not allowed
1322 $isminor = ( $flags & EDIT_MINOR
) && $wgUser->isAllowed('minoredit');
1323 $bot = $flags & EDIT_FORCE_BOT
;
1325 $oldtext = $this->getContent();
1326 $oldsize = strlen( $oldtext );
1328 # Provide autosummaries if one is not provided.
1329 if ($flags & EDIT_AUTOSUMMARY
&& $summary == '')
1330 $summary = $this->getAutosummary( $oldtext, $text, $flags );
1332 $editInfo = $this->prepareTextForEdit( $text );
1333 $text = $editInfo->pst
;
1334 $newsize = strlen( $text );
1336 $dbw = wfGetDB( DB_MASTER
);
1337 $now = wfTimestampNow();
1339 if ( $flags & EDIT_UPDATE
) {
1340 # Update article, but only if changed.
1342 # Make sure the revision is either completely inserted or not inserted at all
1343 if( !$wgDBtransactions ) {
1344 $userAbort = ignore_user_abort( true );
1350 $changed = ( strcmp( $text, $oldtext ) != 0 );
1353 $this->mGoodAdjustment
= (int)$this->isCountable( $text )
1354 - (int)$this->isCountable( $oldtext );
1355 $this->mTotalAdjustment
= 0;
1357 $lastRevision = $dbw->selectField(
1358 'page', 'page_latest', array( 'page_id' => $this->getId() ) );
1360 if ( !$lastRevision ) {
1361 # Article gone missing
1362 wfDebug( __METHOD__
.": EDIT_UPDATE specified but article doesn't exist\n" );
1363 wfProfileOut( __METHOD__
);
1367 $revision = new Revision( array(
1368 'page' => $this->getId(),
1369 'comment' => $summary,
1370 'minor_edit' => $isminor,
1375 $revisionId = $revision->insertOn( $dbw );
1378 $ok = $this->updateRevisionOn( $dbw, $revision, $lastRevision );
1381 /* Belated edit conflict! Run away!! */
1385 # Update recentchanges
1386 if( !( $flags & EDIT_SUPPRESS_RC
) ) {
1387 $rcid = RecentChange
::notifyEdit( $now, $this->mTitle
, $isminor, $wgUser, $summary,
1388 $lastRevision, $this->getTimestamp(), $bot, '', $oldsize, $newsize,
1391 # Mark as patrolled if the user can do so
1392 if( $GLOBALS['wgUseRCPatrol'] && $wgUser->isAllowed( 'autopatrol' ) ) {
1393 RecentChange
::markPatrolled( $rcid );
1394 PatrolLog
::record( $rcid, true );
1397 $wgUser->incEditCount();
1402 // Keep the same revision ID, but do some updates on it
1403 $revisionId = $this->getRevIdFetched();
1404 // Update page_touched, this is usually implicit in the page update
1405 // Other cache updates are done in onArticleEdit()
1406 $this->mTitle
->invalidateCache();
1409 if( !$wgDBtransactions ) {
1410 ignore_user_abort( $userAbort );
1414 # Invalidate cache of this article and all pages using this article
1415 # as a template. Partly deferred.
1416 Article
::onArticleEdit( $this->mTitle
);
1418 # Update links tables, site stats, etc.
1419 $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, $changed );
1422 # Create new article
1424 # Set statistics members
1425 # We work out if it's countable after PST to avoid counter drift
1426 # when articles are created with {{subst:}}
1427 $this->mGoodAdjustment
= (int)$this->isCountable( $text );
1428 $this->mTotalAdjustment
= 1;
1432 # Add the page record; stake our claim on this title!
1433 # This will fail with a database query exception if the article already exists
1434 $newid = $this->insertOn( $dbw );
1436 # Save the revision text...
1437 $revision = new Revision( array(
1439 'comment' => $summary,
1440 'minor_edit' => $isminor,
1443 $revisionId = $revision->insertOn( $dbw );
1445 $this->mTitle
->resetArticleID( $newid );
1447 # Update the page record with revision data
1448 $this->updateRevisionOn( $dbw, $revision, 0 );
1450 if( !( $flags & EDIT_SUPPRESS_RC
) ) {
1451 $rcid = RecentChange
::notifyNew( $now, $this->mTitle
, $isminor, $wgUser, $summary, $bot,
1452 '', strlen( $text ), $revisionId );
1453 # Mark as patrolled if the user can
1454 if( ($GLOBALS['wgUseRCPatrol'] ||
$GLOBALS['wgUseNPPatrol']) && $wgUser->isAllowed( 'autopatrol' ) ) {
1455 RecentChange
::markPatrolled( $rcid );
1456 PatrolLog
::record( $rcid, true );
1459 $wgUser->incEditCount();
1462 # Update links, etc.
1463 $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, true );
1466 Article
::onArticleCreate( $this->mTitle
);
1468 wfRunHooks( 'ArticleInsertComplete', array( &$this, &$wgUser, $text, $summary,
1469 $flags & EDIT_MINOR
, null, null, &$flags, $revision ) );
1472 if ( $good && !( $flags & EDIT_DEFER_UPDATES
) ) {
1477 wfRunHooks( 'ArticleSaveComplete', array( &$this, &$wgUser, $text, $summary,
1478 $flags & EDIT_MINOR
, null, null, &$flags, $revision ) );
1481 wfProfileOut( __METHOD__
);
1486 * @deprecated wrapper for doRedirect
1488 function showArticle( $text, $subtitle , $sectionanchor = '', $me2, $now, $summary, $oldid ) {
1489 $this->doRedirect( $this->isRedirect( $text ), $sectionanchor );
1493 * Output a redirect back to the article.
1494 * This is typically used after an edit.
1496 * @param boolean $noRedir Add redirect=no
1497 * @param string $sectionAnchor section to redirect to, including "#"
1498 * @param string $extraq, extra query params
1500 function doRedirect( $noRedir = false, $sectionAnchor = '', $extraq = '' ) {
1503 $query = 'redirect=no';
1505 $query .= "&$query";
1509 $wgOut->redirect( $this->mTitle
->getFullURL( $query ) . $sectionAnchor );
1513 * Mark this particular edit/page as patrolled
1515 function markpatrolled() {
1516 global $wgOut, $wgRequest, $wgUseRCPatrol, $wgUseNPPatrol, $wgUser;
1517 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1519 # Check patrol config options
1521 if ( !($wgUseNPPatrol ||
$wgUseRCPatrol)) {
1522 $wgOut->showErrorPage( 'rcpatroldisabled', 'rcpatroldisabledtext' );
1526 # If we haven't been given an rc_id value, we can't do anything
1527 $rcid = (int) $wgRequest->getVal('rcid');
1528 $rc = $rcid ? RecentChange
::newFromId($rcid) : null;
1529 if ( is_null ( $rc ) )
1531 $wgOut->showErrorPage( 'markedaspatrollederror', 'markedaspatrollederrortext' );
1535 if ( !$wgUseRCPatrol && $rc->getAttribute( 'rc_type' ) != RC_NEW
) {
1536 // Only new pages can be patrolled if the general patrolling is off....???
1537 // @fixme -- is this necessary? Shouldn't we only bother controlling the
1539 $wgOut->showErrorPage( 'rcpatroldisabled', 'rcpatroldisabledtext' );
1544 $permission_errors = $this->mTitle
->getUserPermissionsErrors( 'patrol', $wgUser );
1546 if (count($permission_errors)>0)
1548 $wgOut->showPermissionsErrorPage( $permission_errors );
1552 # Handle the 'MarkPatrolled' hook
1553 if( !wfRunHooks( 'MarkPatrolled', array( $rcid, &$wgUser, false ) ) ) {
1557 #It would be nice to see where the user had actually come from, but for now just guess
1558 $returnto = $rc->getAttribute( 'rc_type' ) == RC_NEW ?
'Newpages' : 'Recentchanges';
1559 $return = Title
::makeTitle( NS_SPECIAL
, $returnto );
1561 # If it's left up to us, check that the user is allowed to patrol this edit
1562 # If the user has the "autopatrol" right, then we'll assume there are no
1563 # other conditions stopping them doing so
1564 if( !$wgUser->isAllowed( 'autopatrol' ) ) {
1565 $rc = RecentChange
::newFromId( $rcid );
1566 # Graceful error handling, as we've done before here...
1567 # (If the recent change doesn't exist, then it doesn't matter whether
1568 # the user is allowed to patrol it or not; nothing is going to happen
1569 if( is_object( $rc ) && $wgUser->getName() == $rc->getAttribute( 'rc_user_text' ) ) {
1570 # The user made this edit, and can't patrol it
1571 # Tell them so, and then back off
1572 $wgOut->setPageTitle( wfMsg( 'markedaspatrollederror' ) );
1573 $wgOut->addWikiMsg( 'markedaspatrollederror-noautopatrol' );
1574 $wgOut->returnToMain( false, $return );
1579 # Check that the revision isn't patrolled already
1580 # Prevents duplicate log entries
1581 if( !$rc->getAttribute( 'rc_patrolled' ) ) {
1582 # Mark the edit as patrolled
1583 RecentChange
::markPatrolled( $rcid );
1584 PatrolLog
::record( $rcid );
1585 wfRunHooks( 'MarkPatrolledComplete', array( &$rcid, &$wgUser, false ) );
1589 $wgOut->setPageTitle( wfMsg( 'markedaspatrolled' ) );
1590 $wgOut->addWikiMsg( 'markedaspatrolledtext' );
1591 $wgOut->returnToMain( false, $return );
1595 * User-interface handler for the "watch" action
1600 global $wgUser, $wgOut;
1602 if ( $wgUser->isAnon() ) {
1603 $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
1606 if ( wfReadOnly() ) {
1607 $wgOut->readOnlyPage();
1611 if( $this->doWatch() ) {
1612 $wgOut->setPagetitle( wfMsg( 'addedwatch' ) );
1613 $wgOut->setRobotpolicy( 'noindex,nofollow' );
1615 $wgOut->addWikiMsg( 'addedwatchtext', $this->mTitle
->getPrefixedText() );
1618 $wgOut->returnToMain( true, $this->mTitle
->getPrefixedText() );
1622 * Add this page to $wgUser's watchlist
1623 * @return bool true on successful watch operation
1625 function doWatch() {
1627 if( $wgUser->isAnon() ) {
1631 if (wfRunHooks('WatchArticle', array(&$wgUser, &$this))) {
1632 $wgUser->addWatch( $this->mTitle
);
1634 return wfRunHooks('WatchArticleComplete', array(&$wgUser, &$this));
1641 * User interface handler for the "unwatch" action.
1643 function unwatch() {
1645 global $wgUser, $wgOut;
1647 if ( $wgUser->isAnon() ) {
1648 $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
1651 if ( wfReadOnly() ) {
1652 $wgOut->readOnlyPage();
1656 if( $this->doUnwatch() ) {
1657 $wgOut->setPagetitle( wfMsg( 'removedwatch' ) );
1658 $wgOut->setRobotpolicy( 'noindex,nofollow' );
1660 $wgOut->addWikiMsg( 'removedwatchtext', $this->mTitle
->getPrefixedText() );
1663 $wgOut->returnToMain( true, $this->mTitle
->getPrefixedText() );
1667 * Stop watching a page
1668 * @return bool true on successful unwatch
1670 function doUnwatch() {
1672 if( $wgUser->isAnon() ) {
1676 if (wfRunHooks('UnwatchArticle', array(&$wgUser, &$this))) {
1677 $wgUser->removeWatch( $this->mTitle
);
1679 return wfRunHooks('UnwatchArticleComplete', array(&$wgUser, &$this));
1686 * action=protect handler
1688 function protect() {
1689 $form = new ProtectionForm( $this );
1694 * action=unprotect handler (alias)
1696 function unprotect() {
1701 * Update the article's restriction field, and leave a log entry.
1703 * @param array $limit set of restriction keys
1704 * @param string $reason
1705 * @return bool true on success
1707 function updateRestrictions( $limit = array(), $reason = '', $cascade = 0, $expiry = null ) {
1708 global $wgUser, $wgRestrictionTypes, $wgContLang;
1710 $id = $this->mTitle
->getArticleID();
1711 if( array() != $this->mTitle
->getUserPermissionsErrors( 'protect', $wgUser ) ||
wfReadOnly() ||
$id == 0 ) {
1719 // Take this opportunity to purge out expired restrictions
1720 Title
::purgeExpiredRestrictions();
1722 # FIXME: Same limitations as described in ProtectionForm.php (line 37);
1723 # we expect a single selection, but the schema allows otherwise.
1725 foreach( $wgRestrictionTypes as $action )
1726 $current[$action] = implode( '', $this->mTitle
->getRestrictions( $action ) );
1728 $current = Article
::flattenRestrictions( $current );
1729 $updated = Article
::flattenRestrictions( $limit );
1731 $changed = ( $current != $updated );
1732 $changed = $changed ||
($this->mTitle
->areRestrictionsCascading() != $cascade);
1733 $changed = $changed ||
($this->mTitle
->mRestrictionsExpiry
!= $expiry);
1734 $protect = ( $updated != '' );
1736 # If nothing's changed, do nothing
1738 global $wgGroupPermissions;
1739 if( wfRunHooks( 'ArticleProtect', array( &$this, &$wgUser, $limit, $reason ) ) ) {
1741 $dbw = wfGetDB( DB_MASTER
);
1743 $encodedExpiry = Block
::encodeExpiry($expiry, $dbw );
1745 $expiry_description = '';
1746 if ( $encodedExpiry != 'infinity' ) {
1747 $expiry_description = ' (' . wfMsgForContent( 'protect-expiring', $wgContLang->timeanddate( $expiry, false, false ) ).')';
1750 # Prepare a null revision to be added to the history
1751 $modified = $current != '' && $protect;
1753 $comment_type = $modified ?
'modifiedarticleprotection' : 'protectedarticle';
1755 $comment_type = 'unprotectedarticle';
1757 $comment = $wgContLang->ucfirst( wfMsgForContent( $comment_type, $this->mTitle
->getPrefixedText() ) );
1759 foreach( $limit as $action => $restrictions ) {
1760 # Check if the group level required to edit also can protect pages
1761 # Otherwise, people who cannot normally protect can "protect" pages via transclusion
1762 $cascade = ( $cascade && isset($wgGroupPermissions[$restrictions]['protect']) &&
1763 $wgGroupPermissions[$restrictions]['protect'] );
1766 $cascade_description = '';
1768 $cascade_description = ' ['.wfMsg('protect-summary-cascade').']';
1772 $comment .= ": $reason";
1774 $comment .= " [$updated]";
1775 if ( $expiry_description && $protect )
1776 $comment .= "$expiry_description";
1778 $comment .= "$cascade_description";
1780 # Update restrictions table
1781 foreach( $limit as $action => $restrictions ) {
1782 if ($restrictions != '' ) {
1783 $dbw->replace( 'page_restrictions', array(array('pr_page', 'pr_type')),
1784 array( 'pr_page' => $id, 'pr_type' => $action
1785 , 'pr_level' => $restrictions, 'pr_cascade' => $cascade ?
1 : 0
1786 , 'pr_expiry' => $encodedExpiry ), __METHOD__
);
1788 $dbw->delete( 'page_restrictions', array( 'pr_page' => $id,
1789 'pr_type' => $action ), __METHOD__
);
1793 # Insert a null revision
1794 $nullRevision = Revision
::newNullRevision( $dbw, $id, $comment, true );
1795 $nullRevId = $nullRevision->insertOn( $dbw );
1797 # Update page record
1798 $dbw->update( 'page',
1800 'page_touched' => $dbw->timestamp(),
1801 'page_restrictions' => '',
1802 'page_latest' => $nullRevId
1803 ), array( /* WHERE */
1805 ), 'Article::protect'
1807 wfRunHooks( 'ArticleProtectComplete', array( &$this, &$wgUser, $limit, $reason ) );
1809 # Update the protection log
1810 $log = new LogPage( 'protect' );
1815 $log->addEntry( $modified ?
'modify' : 'protect', $this->mTitle
, trim( $reason . " [$updated]$cascade_description$expiry_description" ) );
1817 $log->addEntry( 'unprotect', $this->mTitle
, $reason );
1821 } # End "changed" check
1827 * Take an array of page restrictions and flatten it to a string
1828 * suitable for insertion into the page_restrictions field.
1829 * @param array $limit
1833 function flattenRestrictions( $limit ) {
1834 if( !is_array( $limit ) ) {
1835 throw new MWException( 'Article::flattenRestrictions given non-array restriction set' );
1839 foreach( $limit as $action => $restrictions ) {
1840 if( $restrictions != '' ) {
1841 $bits[] = "$action=$restrictions";
1844 return implode( ':', $bits );
1848 * Auto-generates a deletion reason
1849 * @param bool &$hasHistory Whether the page has a history
1851 public function generateReason(&$hasHistory)
1854 $dbw = wfGetDB(DB_MASTER
);
1855 // Get the last revision
1856 $rev = Revision
::newFromTitle($this->mTitle
);
1859 // Get the article's contents
1860 $contents = $rev->getText();
1862 // If the page is blank, use the text from the previous revision,
1863 // which can only be blank if there's a move/import/protect dummy revision involved
1866 $prev = $rev->getPrevious();
1869 $contents = $prev->getText();
1874 // Find out if there was only one contributor
1875 // Only scan the last 20 revisions
1877 $res = $dbw->select('revision', 'rev_user_text', array('rev_page' => $this->getID()), __METHOD__
,
1878 array('LIMIT' => $limit));
1880 // This page has no revisions, which is very weird
1882 if($res->numRows() > 1)
1885 $hasHistory = false;
1886 $row = $dbw->fetchObject($res);
1887 $onlyAuthor = $row->rev_user_text
;
1888 // Try to find a second contributor
1889 while( $row = $dbw->fetchObject($res) ) {
1890 if($row->rev_user_text
!= $onlyAuthor) {
1891 $onlyAuthor = false;
1895 $dbw->freeResult($res);
1897 // Generate the summary with a '$1' placeholder
1899 // The current revision is blank and the one before is also
1900 // blank. It's just not our lucky day
1901 $reason = wfMsgForContent('exbeforeblank', '$1');
1904 $reason = wfMsgForContent('excontentauthor', '$1', $onlyAuthor);
1906 $reason = wfMsgForContent('excontent', '$1');
1909 // Replace newlines with spaces to prevent uglyness
1910 $contents = preg_replace("/[\n\r]/", ' ', $contents);
1911 // Calculate the maximum amount of chars to get
1912 // Max content length = max comment length - length of the comment (excl. $1) - '...'
1913 $maxLength = 255 - (strlen($reason) - 2) - 3;
1914 $contents = $wgContLang->truncate($contents, $maxLength, '...');
1915 // Remove possible unfinished links
1916 $contents = preg_replace( '/\[\[([^\]]*)\]?$/', '$1', $contents );
1917 // Now replace the '$1' placeholder
1918 $reason = str_replace( '$1', $contents, $reason );
1924 * UI entry point for page deletion
1927 global $wgUser, $wgOut, $wgRequest;
1929 $confirm = $wgRequest->wasPosted() &&
1930 $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) );
1932 $this->DeleteReasonList
= $wgRequest->getText( 'wpDeleteReasonList', 'other' );
1933 $this->DeleteReason
= $wgRequest->getText( 'wpReason' );
1935 $reason = $this->DeleteReasonList
;
1937 if ( $reason != 'other' && $this->DeleteReason
!= '') {
1938 // Entry from drop down menu + additional comment
1939 $reason .= ': ' . $this->DeleteReason
;
1940 } elseif ( $reason == 'other' ) {
1941 $reason = $this->DeleteReason
;
1943 # Flag to hide all contents of the archived revisions
1944 $suppress = $wgRequest->getVal( 'wpSuppress' ) && $wgUser->isAllowed('deleterevision');
1946 # This code desperately needs to be totally rewritten
1948 # Read-only check...
1949 if ( wfReadOnly() ) {
1950 $wgOut->readOnlyPage();
1955 $permission_errors = $this->mTitle
->getUserPermissionsErrors( 'delete', $wgUser );
1957 if (count($permission_errors)>0) {
1958 $wgOut->showPermissionsErrorPage( $permission_errors );
1962 $wgOut->setPagetitle( wfMsg( 'delete-confirm', $this->mTitle
->getPrefixedText() ) );
1964 # Better double-check that it hasn't been deleted yet!
1965 $dbw = wfGetDB( DB_MASTER
);
1966 $conds = $this->mTitle
->pageCond();
1967 $latest = $dbw->selectField( 'page', 'page_latest', $conds, __METHOD__
);
1968 if ( $latest === false ) {
1969 $wgOut->showFatalError( wfMsg( 'cannotdelete' ) );
1973 # Hack for big sites
1974 $bigHistory = $this->isBigDeletion();
1975 if( $bigHistory && !$this->mTitle
->userCan( 'bigdelete' ) ) {
1976 global $wgLang, $wgDeleteRevisionsLimit;
1977 $wgOut->wrapWikiMsg( "<div class='error'>\n$1</div>\n",
1978 array( 'delete-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
1983 $this->doDelete( $reason, $suppress );
1984 if( $wgRequest->getCheck( 'wpWatch' ) ) {
1986 } elseif( $this->mTitle
->userIsWatching() ) {
1992 // Generate deletion reason
1993 $hasHistory = false;
1994 if ( !$reason ) $reason = $this->generateReason($hasHistory);
1996 // If the page has a history, insert a warning
1997 if( $hasHistory && !$confirm ) {
1998 $skin=$wgUser->getSkin();
1999 $wgOut->addHTML( '<strong>' . wfMsg( 'historywarning' ) . ' ' . $skin->historyLink() . '</strong>' );
2001 global $wgLang, $wgDeleteRevisionsLimit;
2002 $wgOut->wrapWikiMsg( "<div class='error'>\n$1</div>\n",
2003 array( 'delete-warning-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
2007 return $this->confirmDelete( '', $reason );
2011 * @return bool whether or not the page surpasses $wgDeleteRevisionsLimit revisions
2013 function isBigDeletion() {
2014 global $wgDeleteRevisionsLimit;
2015 if( $wgDeleteRevisionsLimit ) {
2016 $revCount = $this->estimateRevisionCount();
2017 return $revCount > $wgDeleteRevisionsLimit;
2023 * @return int approximate revision count
2025 function estimateRevisionCount() {
2027 // For an exact count...
2028 //return $dbr->selectField( 'revision', 'COUNT(*)',
2029 // array( 'rev_page' => $this->getId() ), __METHOD__ );
2030 return $dbr->estimateRowCount( 'revision', '*',
2031 array( 'rev_page' => $this->getId() ), __METHOD__
);
2035 * Get the last N authors
2036 * @param int $num Number of revisions to get
2037 * @param string $revLatest The latest rev_id, selected from the master (optional)
2038 * @return array Array of authors, duplicates not removed
2040 function getLastNAuthors( $num, $revLatest = 0 ) {
2041 wfProfileIn( __METHOD__
);
2043 // First try the slave
2044 // If that doesn't have the latest revision, try the master
2046 $db = wfGetDB( DB_SLAVE
);
2048 $res = $db->select( array( 'page', 'revision' ),
2049 array( 'rev_id', 'rev_user_text' ),
2051 'page_namespace' => $this->mTitle
->getNamespace(),
2052 'page_title' => $this->mTitle
->getDBkey(),
2053 'rev_page = page_id'
2054 ), __METHOD__
, $this->getSelectOptions( array(
2055 'ORDER BY' => 'rev_timestamp DESC',
2060 wfProfileOut( __METHOD__
);
2063 $row = $db->fetchObject( $res );
2064 if ( $continue == 2 && $revLatest && $row->rev_id
!= $revLatest ) {
2065 $db = wfGetDB( DB_MASTER
);
2070 } while ( $continue );
2072 $authors = array( $row->rev_user_text
);
2073 while ( $row = $db->fetchObject( $res ) ) {
2074 $authors[] = $row->rev_user_text
;
2076 wfProfileOut( __METHOD__
);
2081 * Output deletion confirmation dialog
2082 * @param $par string FIXME: do we need this parameter? One Call from Article::delete with '' only.
2083 * @param $reason string Prefilled reason
2085 function confirmDelete( $par, $reason ) {
2086 global $wgOut, $wgUser, $wgContLang;
2087 $align = $wgContLang->isRtl() ?
'left' : 'right';
2089 wfDebug( "Article::confirmDelete\n" );
2091 $wgOut->setSubtitle( wfMsg( 'delete-backlink', $wgUser->getSkin()->makeKnownLinkObj( $this->mTitle
) ) );
2092 $wgOut->setRobotpolicy( 'noindex,nofollow' );
2093 $wgOut->addWikiMsg( 'confirmdeletetext' );
2095 if( $wgUser->isAllowed( 'deleterevision' ) ) {
2096 $suppress = "<tr id=\"wpDeleteSuppressRow\" name=\"wpDeleteSuppressRow\"><td></td><td>";
2097 $suppress .= Xml
::checkLabel( wfMsg( 'revdelete-suppress' ), 'wpSuppress', 'wpSuppress', false, array( 'tabindex' => '2' ) );
2098 $suppress .= "</td></tr>";
2103 $form = Xml
::openElement( 'form', array( 'method' => 'post', 'action' => $this->mTitle
->getLocalURL( 'action=delete' . $par ), 'id' => 'deleteconfirm' ) ) .
2104 Xml
::openElement( 'fieldset', array( 'id' => 'mw-delete-table' ) ) .
2105 Xml
::element( 'legend', null, wfMsg( 'delete-legend' ) ) .
2106 Xml
::openElement( 'table' ) .
2107 "<tr id=\"wpDeleteReasonListRow\">
2108 <td align='$align'>" .
2109 Xml
::label( wfMsg( 'deletecomment' ), 'wpDeleteReasonList' ) .
2112 Xml
::listDropDown( 'wpDeleteReasonList',
2113 wfMsgForContent( 'deletereason-dropdown' ),
2114 wfMsgForContent( 'deletereasonotherlist' ), '', 'wpReasonDropDown', 1 ) .
2117 <tr id=\"wpDeleteReasonRow\">
2118 <td align='$align'>" .
2119 Xml
::label( wfMsg( 'deleteotherreason' ), 'wpReason' ) .
2122 Xml
::input( 'wpReason', 60, $reason, array( 'type' => 'text', 'maxlength' => '255', 'tabindex' => '2', 'id' => 'wpReason' ) ) .
2128 Xml
::checkLabel( wfMsg( 'watchthis' ), 'wpWatch', 'wpWatch', $wgUser->getBoolOption( 'watchdeletion' ) ||
$this->mTitle
->userIsWatching(), array( 'tabindex' => '3' ) ) .
2135 Xml
::submitButton( wfMsg( 'deletepage' ), array( 'name' => 'wpConfirmB', 'id' => 'wpConfirmB', 'tabindex' => '4' ) ) .
2138 Xml
::closeElement( 'table' ) .
2139 Xml
::closeElement( 'fieldset' ) .
2140 Xml
::hidden( 'wpEditToken', $wgUser->editToken() ) .
2141 Xml
::closeElement( 'form' );
2143 if ( $wgUser->isAllowed( 'editinterface' ) ) {
2144 $skin = $wgUser->getSkin();
2145 $link = $skin->makeLink ( 'MediaWiki:Deletereason-dropdown', wfMsgHtml( 'delete-edit-reasonlist' ) );
2146 $form .= '<p class="mw-delete-editreasons">' . $link . '</p>';
2149 $wgOut->addHTML( $form );
2150 $this->showLogExtract( $wgOut );
2155 * Show relevant lines from the deletion log
2157 function showLogExtract( $out ) {
2158 $out->addHtml( Xml
::element( 'h2', null, LogPage
::logName( 'delete' ) ) );
2159 $logViewer = new LogViewer(
2162 array( 'page' => $this->mTitle
->getPrefixedText(),
2163 'type' => 'delete' ) ) ) );
2164 $logViewer->showList( $out );
2169 * Perform a deletion and output success or failure messages
2171 function doDelete( $reason, $suppress = false ) {
2172 global $wgOut, $wgUser;
2173 wfDebug( __METHOD__
."\n" );
2175 if (wfRunHooks('ArticleDelete', array(&$this, &$wgUser, &$reason))) {
2176 if ( $this->doDeleteArticle( $reason, $suppress ) ) {
2177 $deleted = $this->mTitle
->getPrefixedText();
2179 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
2180 $wgOut->setRobotpolicy( 'noindex,nofollow' );
2182 $loglink = '[[Special:Log/delete|' . wfMsgNoTrans( 'deletionlog' ) . ']]';
2184 $wgOut->addWikiMsg( 'deletedtext', $deleted, $loglink );
2185 $wgOut->returnToMain( false );
2186 wfRunHooks('ArticleDeleteComplete', array(&$this, &$wgUser, $reason));
2188 $wgOut->showFatalError( wfMsg( 'cannotdelete' ).'<br/>'.wfMsg('cannotdelete-merge') );
2194 * Back-end article deletion
2195 * Deletes the article with database consistency, writes logs, purges caches
2198 function doDeleteArticle( $reason, $suppress = false ) {
2199 global $wgUseSquid, $wgDeferredUpdateList;
2200 global $wgUseTrackbacks;
2202 wfDebug( __METHOD__
."\n" );
2204 $dbw = wfGetDB( DB_MASTER
);
2205 $ns = $this->mTitle
->getNamespace();
2206 $t = $this->mTitle
->getDBkey();
2207 $id = $this->mTitle
->getArticleID();
2209 if ( $t == '' ||
$id == 0 ) {
2213 $u = new SiteStatsUpdate( 0, 1, -(int)$this->isCountable( $this->getContent() ), -1 );
2214 array_push( $wgDeferredUpdateList, $u );
2216 // Bitfields to further suppress the content
2219 // This should be 15...
2220 $bitfield |
= Revision
::DELETED_TEXT
;
2221 $bitfield |
= Revision
::DELETED_COMMENT
;
2222 $bitfield |
= Revision
::DELETED_USER
;
2223 $bitfield |
= Revision
::DELETED_RESTRICTED
;
2225 $bitfield = 'rev_deleted';
2228 // For now, shunt the revision data into the archive table.
2229 // Text is *not* removed from the text table; bulk storage
2230 // is left intact to avoid breaking block-compression or
2231 // immutable storage schemes.
2233 // For backwards compatibility, note that some older archive
2234 // table entries will have ar_text and ar_flags fields still.
2236 // In the future, we may keep revisions and mark them with
2237 // the rev_deleted field, which is reserved for this purpose.
2238 $dbw->insertSelect( 'archive', array( 'page', 'revision' ),
2240 'ar_namespace' => 'page_namespace',
2241 'ar_title' => 'page_title',
2242 'ar_comment' => 'rev_comment',
2243 'ar_user' => 'rev_user',
2244 'ar_user_text' => 'rev_user_text',
2245 'ar_timestamp' => 'rev_timestamp',
2246 'ar_minor_edit' => 'rev_minor_edit',
2247 'ar_rev_id' => 'rev_id',
2248 'ar_text_id' => 'rev_text_id',
2249 'ar_text' => '\'\'', // Be explicit to appease
2250 'ar_flags' => '\'\'', // MySQL's "strict mode"...
2251 'ar_len' => 'rev_len',
2252 'ar_page_id' => 'page_id',
2253 'ar_deleted' => $bitfield
2256 'page_id = rev_page'
2260 # Delete restrictions for it
2261 $dbw->delete( 'page_restrictions', array ( 'pr_page' => $id ), __METHOD__
);
2263 # Fix category table counts
2265 $res = $dbw->select( 'categorylinks', 'cl_to',
2266 array( 'cl_from' => $id ), __METHOD__
);
2267 foreach( $res as $row ) {
2268 $cats []= $row->cl_to
;
2270 $this->updateCategoryCounts( array(), $cats );
2272 # Now that it's safely backed up, delete it
2273 $dbw->delete( 'page', array( 'page_id' => $id ), __METHOD__
);
2275 # If using cascading deletes, we can skip some explicit deletes
2276 if ( !$dbw->cascadingDeletes() ) {
2277 $dbw->delete( 'revision', array( 'rev_page' => $id ), __METHOD__
);
2279 if ($wgUseTrackbacks)
2280 $dbw->delete( 'trackbacks', array( 'tb_page' => $id ), __METHOD__
);
2282 # Delete outgoing links
2283 $dbw->delete( 'pagelinks', array( 'pl_from' => $id ) );
2284 $dbw->delete( 'imagelinks', array( 'il_from' => $id ) );
2285 $dbw->delete( 'categorylinks', array( 'cl_from' => $id ) );
2286 $dbw->delete( 'templatelinks', array( 'tl_from' => $id ) );
2287 $dbw->delete( 'externallinks', array( 'el_from' => $id ) );
2288 $dbw->delete( 'langlinks', array( 'll_from' => $id ) );
2289 $dbw->delete( 'redirect', array( 'rd_from' => $id ) );
2292 # If using cleanup triggers, we can skip some manual deletes
2293 if ( !$dbw->cleanupTriggers() ) {
2295 # Clean up recentchanges entries...
2296 $dbw->delete( 'recentchanges', array( 'rc_namespace' => $ns, 'rc_title' => $t ), __METHOD__
);
2300 Article
::onArticleDelete( $this->mTitle
);
2302 # Log the deletion, if the page was suppressed, log it at Oversight instead
2303 $logtype = $suppress ?
'oversight' : 'delete';
2304 $log = new LogPage( $logtype );
2305 $log->addEntry( 'delete', $this->mTitle
, $reason );
2307 # Clear the cached article id so the interface doesn't act like we exist
2308 $this->mTitle
->resetArticleID( 0 );
2309 $this->mTitle
->mArticleID
= 0;
2314 * Roll back the most recent consecutive set of edits to a page
2315 * from the same user; fails if there are no eligible edits to
2316 * roll back to, e.g. user is the sole contributor. This function
2317 * performs permissions checks on $wgUser, then calls commitRollback()
2318 * to do the dirty work
2320 * @param string $fromP - Name of the user whose edits to rollback.
2321 * @param string $summary - Custom summary. Set to default summary if empty.
2322 * @param string $token - Rollback token.
2323 * @param bool $bot - If true, mark all reverted edits as bot.
2325 * @param array $resultDetails contains result-specific array of additional values
2326 * 'alreadyrolled' : 'current' (rev)
2327 * success : 'summary' (str), 'current' (rev), 'target' (rev)
2329 * @return array of errors, each error formatted as
2330 * array(messagekey, param1, param2, ...).
2331 * On success, the array is empty. This array can also be passed to
2332 * OutputPage::showPermissionsErrorPage().
2334 public function doRollback( $fromP, $summary, $token, $bot, &$resultDetails ) {
2336 $resultDetails = null;
2339 $errors = array_merge( $this->mTitle
->getUserPermissionsErrors( 'edit', $wgUser ),
2340 $this->mTitle
->getUserPermissionsErrors( 'rollback', $wgUser ) );
2341 if( !$wgUser->matchEditToken( $token, array( $this->mTitle
->getPrefixedText(), $fromP ) ) )
2342 $errors[] = array( 'sessionfailure' );
2344 if ( $wgUser->pingLimiter('rollback') ||
$wgUser->pingLimiter() ) {
2345 $errors[] = array( 'actionthrottledtext' );
2347 # If there were errors, bail out now
2351 return $this->commitRollback($fromP, $summary, $bot, $resultDetails);
2355 * Backend implementation of doRollback(), please refer there for parameter
2356 * and return value documentation
2358 * NOTE: This function does NOT check ANY permissions, it just commits the
2359 * rollback to the DB Therefore, you should only call this function direct-
2360 * ly if you want to use custom permissions checks. If you don't, use
2361 * doRollback() instead.
2363 public function commitRollback($fromP, $summary, $bot, &$resultDetails) {
2364 global $wgUseRCPatrol, $wgUser;
2365 $dbw = wfGetDB( DB_MASTER
);
2367 if( wfReadOnly() ) {
2368 return array( array( 'readonlytext' ) );
2371 # Get the last editor
2372 $current = Revision
::newFromTitle( $this->mTitle
);
2373 if( is_null( $current ) ) {
2374 # Something wrong... no page?
2375 return array(array('notanarticle'));
2378 $from = str_replace( '_', ' ', $fromP );
2379 if( $from != $current->getUserText() ) {
2380 $resultDetails = array( 'current' => $current );
2381 return array(array('alreadyrolled',
2382 htmlspecialchars($this->mTitle
->getPrefixedText()),
2383 htmlspecialchars($fromP),
2384 htmlspecialchars($current->getUserText())
2388 # Get the last edit not by this guy
2389 $user = intval( $current->getUser() );
2390 $user_text = $dbw->addQuotes( $current->getUserText() );
2391 $s = $dbw->selectRow( 'revision',
2392 array( 'rev_id', 'rev_timestamp', 'rev_deleted' ),
2393 array( 'rev_page' => $current->getPage(),
2394 "rev_user <> {$user} OR rev_user_text <> {$user_text}"
2396 array( 'USE INDEX' => 'page_timestamp',
2397 'ORDER BY' => 'rev_timestamp DESC' )
2399 if( $s === false ) {
2400 # No one else ever edited this page
2401 return array(array('cantrollback'));
2402 } else if( $s->rev_deleted
& REVISION
::DELETED_TEXT ||
$s->rev_deleted
& REVISION
::DELETED_USER
) {
2403 # Only admins can see this text
2404 return array(array('notvisiblerev'));
2408 if ( $bot && $wgUser->isAllowed('markbotedits') ) {
2409 # Mark all reverted edits as bot
2412 if ( $wgUseRCPatrol ) {
2413 # Mark all reverted edits as patrolled
2414 $set['rc_patrolled'] = 1;
2418 $dbw->update( 'recentchanges', $set,
2420 'rc_cur_id' => $current->getPage(),
2421 'rc_user_text' => $current->getUserText(),
2422 "rc_timestamp > '{$s->rev_timestamp}'",
2427 # Generate the edit summary if necessary
2428 $target = Revision
::newFromId( $s->rev_id
);
2429 if( empty( $summary ) )
2432 $summary = wfMsgForContent( 'revertpage',
2433 $target->getUserText(), $from,
2434 $s->rev_id
, $wgLang->timeanddate(wfTimestamp(TS_MW
, $s->rev_timestamp
), true),
2435 $current->getId(), $wgLang->timeanddate($current->getTimestamp())
2440 $flags = EDIT_UPDATE
;
2442 if ($wgUser->isAllowed('minoredit'))
2443 $flags |
= EDIT_MINOR
;
2445 if( $bot && ($wgUser->isAllowed('markbotedits') ||
$wgUser->isAllowed('bot')) )
2446 $flags |
= EDIT_FORCE_BOT
;
2447 $this->doEdit( $target->getText(), $summary, $flags );
2449 wfRunHooks( 'ArticleRollbackComplete', array( $this, $wgUser, $target ) );
2451 $resultDetails = array(
2452 'summary' => $summary,
2453 'current' => $current,
2454 'target' => $target,
2460 * User interface for rollback operations
2462 function rollback() {
2463 global $wgUser, $wgOut, $wgRequest, $wgUseRCPatrol;
2466 $result = $this->doRollback(
2467 $wgRequest->getVal( 'from' ),
2468 $wgRequest->getText( 'summary' ),
2469 $wgRequest->getVal( 'token' ),
2470 $wgRequest->getBool( 'bot' ),
2474 if( in_array( array( 'blocked' ), $result ) ) {
2475 $wgOut->blockedPage();
2478 if( in_array( array( 'actionthrottledtext' ), $result ) ) {
2479 $wgOut->rateLimited();
2482 if( isset( $result[0][0] ) && ( $result[0][0] == 'alreadyrolled' ||
$result[0][0] == 'cantrollback' ) ){
2483 $wgOut->setPageTitle( wfMsg( 'rollbackfailed' ) );
2484 $errArray = $result[0];
2485 $errMsg = array_shift( $errArray );
2486 $wgOut->addWikiMsgArray( $errMsg, $errArray );
2487 if( isset( $details['current'] ) ){
2488 $current = $details['current'];
2489 if( $current->getComment() != '' ) {
2490 $wgOut->addWikiMsgArray( 'editcomment', array( $wgUser->getSkin()->formatComment( $current->getComment() ) ), array( 'replaceafter' ) );
2495 # Display permissions errors before read-only message -- there's no
2496 # point in misleading the user into thinking the inability to rollback
2497 # is only temporary.
2498 if( !empty($result) && $result !== array( array('readonlytext') ) ) {
2499 # array_diff is completely broken for arrays of arrays, sigh. Re-
2500 # move any 'readonlytext' error manually.
2502 foreach( $result as $error ) {
2503 if( $error != array( 'readonlytext' ) ) {
2507 $wgOut->showPermissionsErrorPage( $out );
2510 if( $result == array( array('readonlytext') ) ) {
2511 $wgOut->readOnlyPage();
2515 $current = $details['current'];
2516 $target = $details['target'];
2517 $wgOut->setPageTitle( wfMsg( 'actioncomplete' ) );
2518 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2519 $old = $wgUser->getSkin()->userLink( $current->getUser(), $current->getUserText() )
2520 . $wgUser->getSkin()->userToolLinks( $current->getUser(), $current->getUserText() );
2521 $new = $wgUser->getSkin()->userLink( $target->getUser(), $target->getUserText() )
2522 . $wgUser->getSkin()->userToolLinks( $target->getUser(), $target->getUserText() );
2523 $wgOut->addHtml( wfMsgExt( 'rollback-success', array( 'parse', 'replaceafter' ), $old, $new ) );
2524 $wgOut->returnToMain( false, $this->mTitle
);
2529 * Do standard deferred updates after page view
2532 function viewUpdates() {
2533 global $wgDeferredUpdateList;
2535 if ( 0 != $this->getID() ) {
2536 global $wgDisableCounters;
2537 if( !$wgDisableCounters ) {
2538 Article
::incViewCount( $this->getID() );
2539 $u = new SiteStatsUpdate( 1, 0, 0 );
2540 array_push( $wgDeferredUpdateList, $u );
2544 # Update newtalk / watchlist notification status
2546 $wgUser->clearNotification( $this->mTitle
);
2550 * Prepare text which is about to be saved.
2551 * Returns a stdclass with source, pst and output members
2553 function prepareTextForEdit( $text, $revid=null ) {
2554 if ( $this->mPreparedEdit
&& $this->mPreparedEdit
->newText
== $text && $this->mPreparedEdit
->revid
== $revid) {
2556 return $this->mPreparedEdit
;
2559 $edit = (object)array();
2560 $edit->revid
= $revid;
2561 $edit->newText
= $text;
2562 $edit->pst
= $this->preSaveTransform( $text );
2563 $options = new ParserOptions
;
2564 $options->setTidy( true );
2565 $options->enableLimitReport();
2566 $edit->output
= $wgParser->parse( $edit->pst
, $this->mTitle
, $options, true, true, $revid );
2567 $edit->oldText
= $this->getContent();
2568 $this->mPreparedEdit
= $edit;
2573 * Do standard deferred updates after page edit.
2574 * Update links tables, site stats, search index and message cache.
2575 * Every 100th edit, prune the recent changes table.
2578 * @param $text New text of the article
2579 * @param $summary Edit summary
2580 * @param $minoredit Minor edit
2581 * @param $timestamp_of_pagechange Timestamp associated with the page change
2582 * @param $newid rev_id value of the new revision
2583 * @param $changed Whether or not the content actually changed
2585 function editUpdates( $text, $summary, $minoredit, $timestamp_of_pagechange, $newid, $changed = true ) {
2586 global $wgDeferredUpdateList, $wgMessageCache, $wgUser, $wgParser, $wgEnableParserCache;
2588 wfProfileIn( __METHOD__
);
2591 # Be careful not to double-PST: $text is usually already PST-ed once
2592 if ( !$this->mPreparedEdit ||
$this->mPreparedEdit
->output
->getFlag( 'vary-revision' ) ) {
2593 wfDebug( __METHOD__
. ": No prepared edit or vary-revision is set...\n" );
2594 $editInfo = $this->prepareTextForEdit( $text, $newid );
2596 wfDebug( __METHOD__
. ": No vary-revision, using prepared edit...\n" );
2597 $editInfo = $this->mPreparedEdit
;
2600 # Save it to the parser cache
2601 if ( $wgEnableParserCache ) {
2602 $parserCache =& ParserCache
::singleton();
2603 $parserCache->save( $editInfo->output
, $this, $wgUser );
2606 # Update the links tables
2607 $u = new LinksUpdate( $this->mTitle
, $editInfo->output
);
2610 if( wfRunHooks( 'ArticleEditUpdatesDeleteFromRecentchanges', array( &$this ) ) ) {
2611 if ( 0 == mt_rand( 0, 99 ) ) {
2612 // Flush old entries from the `recentchanges` table; we do this on
2613 // random requests so as to avoid an increase in writes for no good reason
2615 $dbw = wfGetDB( DB_MASTER
);
2616 $cutoff = $dbw->timestamp( time() - $wgRCMaxAge );
2617 $recentchanges = $dbw->tableName( 'recentchanges' );
2618 $sql = "DELETE FROM $recentchanges WHERE rc_timestamp < '{$cutoff}'";
2619 $dbw->query( $sql );
2623 $id = $this->getID();
2624 $title = $this->mTitle
->getPrefixedDBkey();
2625 $shortTitle = $this->mTitle
->getDBkey();
2628 wfProfileOut( __METHOD__
);
2632 $u = new SiteStatsUpdate( 0, 1, $this->mGoodAdjustment
, $this->mTotalAdjustment
);
2633 array_push( $wgDeferredUpdateList, $u );
2634 $u = new SearchUpdate( $id, $title, $text );
2635 array_push( $wgDeferredUpdateList, $u );
2637 # If this is another user's talk page, update newtalk
2638 # Don't do this if $changed = false otherwise some idiot can null-edit a
2639 # load of user talk pages and piss people off, nor if it's a minor edit
2640 # by a properly-flagged bot.
2641 if( $this->mTitle
->getNamespace() == NS_USER_TALK
&& $shortTitle != $wgUser->getTitleKey() && $changed
2642 && !($minoredit && $wgUser->isAllowed('nominornewtalk') ) ) {
2643 if (wfRunHooks('ArticleEditUpdateNewTalk', array(&$this)) ) {
2644 $other = User
::newFromName( $shortTitle );
2645 if( is_null( $other ) && User
::isIP( $shortTitle ) ) {
2646 // An anonymous user
2647 $other = new User();
2648 $other->setName( $shortTitle );
2651 $other->setNewtalk( true );
2656 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
2657 $wgMessageCache->replace( $shortTitle, $text );
2660 wfProfileOut( __METHOD__
);
2664 * Perform article updates on a special page creation.
2666 * @param Revision $rev
2668 * @todo This is a shitty interface function. Kill it and replace the
2669 * other shitty functions like editUpdates and such so it's not needed
2672 function createUpdates( $rev ) {
2673 $this->mGoodAdjustment
= $this->isCountable( $rev->getText() );
2674 $this->mTotalAdjustment
= 1;
2675 $this->editUpdates( $rev->getText(), $rev->getComment(),
2676 $rev->isMinor(), wfTimestamp(), $rev->getId(), true );
2680 * Generate the navigation links when browsing through an article revisions
2681 * It shows the information as:
2682 * Revision as of \<date\>; view current revision
2683 * \<- Previous version | Next Version -\>
2686 * @param string $oldid Revision ID of this article revision
2688 function setOldSubtitle( $oldid=0 ) {
2689 global $wgLang, $wgOut, $wgUser;
2691 if ( !wfRunHooks( 'DisplayOldSubtitle', array(&$this, &$oldid) ) ) {
2695 $revision = Revision
::newFromId( $oldid );
2697 $current = ( $oldid == $this->mLatest
);
2698 $td = $wgLang->timeanddate( $this->mTimestamp
, true );
2699 $sk = $wgUser->getSkin();
2701 ?
wfMsg( 'currentrevisionlink' )
2702 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'currentrevisionlink' ) );
2705 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'diff' ), 'diff=cur&oldid='.$oldid );
2706 $prev = $this->mTitle
->getPreviousRevisionID( $oldid ) ;
2708 ?
$sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'previousrevision' ), 'direction=prev&oldid='.$oldid )
2709 : wfMsg( 'previousrevision' );
2711 ?
$sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'diff' ), 'diff=prev&oldid='.$oldid )
2713 $nextlink = $current
2714 ?
wfMsg( 'nextrevision' )
2715 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'nextrevision' ), 'direction=next&oldid='.$oldid );
2716 $nextdiff = $current
2718 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'diff' ), 'diff=next&oldid='.$oldid );
2721 if( $wgUser->isAllowed( 'deleterevision' ) ) {
2722 $revdel = SpecialPage
::getTitleFor( 'Revisiondelete' );
2723 if( $revision->isCurrent() ) {
2724 // We don't handle top deleted edits too well
2725 $cdel = wfMsgHtml('rev-delundel');
2726 } else if( !$revision->userCan( Revision
::DELETED_RESTRICTED
) ) {
2727 // If revision was hidden from sysops
2728 $cdel = wfMsgHtml('rev-delundel');
2730 $cdel = $sk->makeKnownLinkObj( $revdel,
2731 wfMsgHtml('rev-delundel'),
2732 'target=' . urlencode( $this->mTitle
->getPrefixedDbkey() ) .
2733 '&oldid=' . urlencode( $oldid ) );
2734 // Bolden oversighted content
2735 if( $revision->isDeleted( Revision
::DELETED_RESTRICTED
) )
2736 $cdel = "<strong>$cdel</strong>";
2738 $cdel = "(<small>$cdel</small>) ";
2740 # Show user links if allowed to see them. Normally they
2741 # are hidden regardless, but since we can already see the text here...
2742 $userlinks = $sk->revUserTools( $revision, false );
2744 $m = wfMsg( 'revision-info-current' );
2745 $infomsg = $current && !wfEmptyMsg( 'revision-info-current', $m ) && $m != '-'
2746 ?
'revision-info-current'
2749 $r = "\n\t\t\t\t<div id=\"mw-{$infomsg}\">" . wfMsg( $infomsg, $td, $userlinks ) . "</div>\n" .
2751 "\n\t\t\t\t<div id=\"mw-revision-nav\">" . $cdel . wfMsg( 'revision-nav', $prevdiff, $prevlink, $lnk, $curdiff, $nextlink, $nextdiff ) . "</div>\n\t\t\t";
2752 $wgOut->setSubtitle( $r );
2756 * This function is called right before saving the wikitext,
2757 * so we can do things like signatures and links-in-context.
2759 * @param string $text
2761 function preSaveTransform( $text ) {
2762 global $wgParser, $wgUser;
2763 return $wgParser->preSaveTransform( $text, $this->mTitle
, $wgUser, ParserOptions
::newFromUser( $wgUser ) );
2766 /* Caching functions */
2769 * checkLastModified returns true if it has taken care of all
2770 * output to the client that is necessary for this request.
2771 * (that is, it has sent a cached version of the page)
2773 function tryFileCache() {
2774 static $called = false;
2776 wfDebug( "Article::tryFileCache(): called twice!?\n" );
2780 if($this->isFileCacheable()) {
2781 $touched = $this->mTouched
;
2782 $cache = new HTMLFileCache( $this->mTitle
);
2783 if($cache->isFileCacheGood( $touched )) {
2784 wfDebug( "Article::tryFileCache(): about to load file\n" );
2785 $cache->loadFromFileCache();
2788 wfDebug( "Article::tryFileCache(): starting buffer\n" );
2789 ob_start( array(&$cache, 'saveToFileCache' ) );
2792 wfDebug( "Article::tryFileCache(): not cacheable\n" );
2797 * Check if the page can be cached
2800 function isFileCacheable() {
2801 global $wgUser, $wgUseFileCache, $wgShowIPinHeader, $wgRequest, $wgLang, $wgContLang;
2802 $action = $wgRequest->getVal( 'action' );
2803 $oldid = $wgRequest->getVal( 'oldid' );
2804 $diff = $wgRequest->getVal( 'diff' );
2805 $redirect = $wgRequest->getVal( 'redirect' );
2806 $printable = $wgRequest->getVal( 'printable' );
2807 $page = $wgRequest->getVal( 'page' );
2809 //check for non-standard user language; this covers uselang,
2810 //and extensions for auto-detecting user language.
2811 $ulang = $wgLang->getCode();
2812 $clang = $wgContLang->getCode();
2814 $cacheable = $wgUseFileCache
2815 && (!$wgShowIPinHeader)
2816 && ($this->getID() != 0)
2817 && ($wgUser->isAnon())
2818 && (!$wgUser->getNewtalk())
2819 && ($this->mTitle
->getNamespace() != NS_SPECIAL
)
2820 && (empty( $action ) ||
$action == 'view')
2823 && (!isset($redirect))
2824 && (!isset($printable))
2826 && (!$this->mRedirectedFrom
)
2827 && ($ulang === $clang);
2830 //extension may have reason to disable file caching on some pages.
2831 $cacheable = wfRunHooks( 'IsFileCacheable', array( $this ) );
2838 * Loads page_touched and returns a value indicating if it should be used
2841 function checkTouched() {
2842 if( !$this->mDataLoaded
) {
2843 $this->loadPageData();
2845 return !$this->mIsRedirect
;
2849 * Get the page_touched field
2851 function getTouched() {
2852 # Ensure that page data has been loaded
2853 if( !$this->mDataLoaded
) {
2854 $this->loadPageData();
2856 return $this->mTouched
;
2860 * Get the page_latest field
2862 function getLatest() {
2863 if ( !$this->mDataLoaded
) {
2864 $this->loadPageData();
2866 return $this->mLatest
;
2870 * Edit an article without doing all that other stuff
2871 * The article must already exist; link tables etc
2872 * are not updated, caches are not flushed.
2874 * @param string $text text submitted
2875 * @param string $comment comment submitted
2876 * @param bool $minor whereas it's a minor modification
2878 function quickEdit( $text, $comment = '', $minor = 0 ) {
2879 wfProfileIn( __METHOD__
);
2881 $dbw = wfGetDB( DB_MASTER
);
2883 $revision = new Revision( array(
2884 'page' => $this->getId(),
2886 'comment' => $comment,
2887 'minor_edit' => $minor ?
1 : 0,
2889 $revision->insertOn( $dbw );
2890 $this->updateRevisionOn( $dbw, $revision );
2893 wfProfileOut( __METHOD__
);
2897 * Used to increment the view counter
2900 * @param integer $id article id
2902 function incViewCount( $id ) {
2903 $id = intval( $id );
2904 global $wgHitcounterUpdateFreq, $wgDBtype;
2906 $dbw = wfGetDB( DB_MASTER
);
2907 $pageTable = $dbw->tableName( 'page' );
2908 $hitcounterTable = $dbw->tableName( 'hitcounter' );
2909 $acchitsTable = $dbw->tableName( 'acchits' );
2911 if( $wgHitcounterUpdateFreq <= 1 ) {
2912 $dbw->query( "UPDATE $pageTable SET page_counter = page_counter + 1 WHERE page_id = $id" );
2916 # Not important enough to warrant an error page in case of failure
2917 $oldignore = $dbw->ignoreErrors( true );
2919 $dbw->query( "INSERT INTO $hitcounterTable (hc_id) VALUES ({$id})" );
2921 $checkfreq = intval( $wgHitcounterUpdateFreq/25 +
1 );
2922 if( (rand() %
$checkfreq != 0) or ($dbw->lastErrno() != 0) ){
2923 # Most of the time (or on SQL errors), skip row count check
2924 $dbw->ignoreErrors( $oldignore );
2928 $res = $dbw->query("SELECT COUNT(*) as n FROM $hitcounterTable");
2929 $row = $dbw->fetchObject( $res );
2930 $rown = intval( $row->n
);
2931 if( $rown >= $wgHitcounterUpdateFreq ){
2932 wfProfileIn( 'Article::incViewCount-collect' );
2933 $old_user_abort = ignore_user_abort( true );
2935 if ($wgDBtype == 'mysql')
2936 $dbw->query("LOCK TABLES $hitcounterTable WRITE");
2937 $tabletype = $wgDBtype == 'mysql' ?
"ENGINE=HEAP " : '';
2938 $dbw->query("CREATE TEMPORARY TABLE $acchitsTable $tabletype AS ".
2939 "SELECT hc_id,COUNT(*) AS hc_n FROM $hitcounterTable ".
2941 $dbw->query("DELETE FROM $hitcounterTable");
2942 if ($wgDBtype == 'mysql') {
2943 $dbw->query('UNLOCK TABLES');
2944 $dbw->query("UPDATE $pageTable,$acchitsTable SET page_counter=page_counter + hc_n ".
2945 'WHERE page_id = hc_id');
2948 $dbw->query("UPDATE $pageTable SET page_counter=page_counter + hc_n ".
2949 "FROM $acchitsTable WHERE page_id = hc_id");
2951 $dbw->query("DROP TABLE $acchitsTable");
2953 ignore_user_abort( $old_user_abort );
2954 wfProfileOut( 'Article::incViewCount-collect' );
2956 $dbw->ignoreErrors( $oldignore );
2960 * The onArticle*() functions are supposed to be a kind of hooks
2961 * which should be called whenever any of the specified actions
2964 * This is a good place to put code to clear caches, for instance.
2966 * This is called on page move and undelete, as well as edit
2968 * @param $title_obj a title object
2971 static function onArticleCreate($title) {
2972 # The talk page isn't in the regular link tables, so we need to update manually:
2973 if ( $title->isTalkPage() ) {
2974 $other = $title->getSubjectPage();
2976 $other = $title->getTalkPage();
2978 $other->invalidateCache();
2979 $other->purgeSquid();
2981 $title->touchLinks();
2982 $title->purgeSquid();
2983 $title->deleteTitleProtection();
2986 static function onArticleDelete( $title ) {
2987 global $wgUseFileCache, $wgMessageCache;
2989 // Update existence markers on article/talk tabs...
2990 if( $title->isTalkPage() ) {
2991 $other = $title->getSubjectPage();
2993 $other = $title->getTalkPage();
2995 $other->invalidateCache();
2996 $other->purgeSquid();
2998 $title->touchLinks();
2999 $title->purgeSquid();
3002 if ( $wgUseFileCache ) {
3003 $cm = new HTMLFileCache( $title );
3004 @unlink
( $cm->fileCacheName() );
3007 if( $title->getNamespace() == NS_MEDIAWIKI
) {
3008 $wgMessageCache->replace( $title->getDBkey(), false );
3010 if( $title->getNamespace() == NS_IMAGE
) {
3011 $update = new HTMLCacheUpdate( $title, 'imagelinks' );
3012 $update->doUpdate();
3017 * Purge caches on page update etc
3019 static function onArticleEdit( $title ) {
3020 global $wgDeferredUpdateList, $wgUseFileCache;
3022 // Invalidate caches of articles which include this page
3023 $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'templatelinks' );
3025 // Invalidate the caches of all pages which redirect here
3026 $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'redirect' );
3028 # Purge squid for this page only
3029 $title->purgeSquid();
3032 if ( $wgUseFileCache ) {
3033 $cm = new HTMLFileCache( $title );
3034 @unlink
( $cm->fileCacheName() );
3041 * Overriden by ImagePage class, only present here to avoid a fatal error
3042 * Called for ?action=revert
3044 public function revert(){
3046 $wgOut->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
3050 * Info about this page
3051 * Called for ?action=info when $wgAllowPageInfo is on.
3056 global $wgLang, $wgOut, $wgAllowPageInfo, $wgUser;
3058 if ( !$wgAllowPageInfo ) {
3059 $wgOut->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
3063 $page = $this->mTitle
->getSubjectPage();
3065 $wgOut->setPagetitle( $page->getPrefixedText() );
3066 $wgOut->setPageTitleActionText( wfMsg( 'info_short' ) );
3067 $wgOut->setSubtitle( wfMsg( 'infosubtitle' ) );
3069 if( !$this->mTitle
->exists() ) {
3070 $wgOut->addHtml( '<div class="noarticletext">' );
3071 if( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
3072 // This doesn't quite make sense; the user is asking for
3073 // information about the _page_, not the message... -- RC
3074 $wgOut->addHtml( htmlspecialchars( wfMsgWeirdKey( $this->mTitle
->getText() ) ) );
3076 $msg = $wgUser->isLoggedIn()
3078 : 'noarticletextanon';
3079 $wgOut->addHtml( wfMsgExt( $msg, 'parse' ) );
3081 $wgOut->addHtml( '</div>' );
3083 $dbr = wfGetDB( DB_SLAVE
);
3085 'wl_title' => $page->getDBkey(),
3086 'wl_namespace' => $page->getNamespace() );
3087 $numwatchers = $dbr->selectField(
3092 $this->getSelectOptions() );
3094 $pageInfo = $this->pageCountInfo( $page );
3095 $talkInfo = $this->pageCountInfo( $page->getTalkPage() );
3097 $wgOut->addHTML( "<ul><li>" . wfMsg("numwatchers", $wgLang->formatNum( $numwatchers ) ) . '</li>' );
3098 $wgOut->addHTML( "<li>" . wfMsg('numedits', $wgLang->formatNum( $pageInfo['edits'] ) ) . '</li>');
3100 $wgOut->addHTML( '<li>' . wfMsg("numtalkedits", $wgLang->formatNum( $talkInfo['edits'] ) ) . '</li>');
3102 $wgOut->addHTML( '<li>' . wfMsg("numauthors", $wgLang->formatNum( $pageInfo['authors'] ) ) . '</li>' );
3104 $wgOut->addHTML( '<li>' . wfMsg('numtalkauthors', $wgLang->formatNum( $talkInfo['authors'] ) ) . '</li>' );
3106 $wgOut->addHTML( '</ul>' );
3112 * Return the total number of edits and number of unique editors
3113 * on a given page. If page does not exist, returns false.
3115 * @param Title $title
3119 function pageCountInfo( $title ) {
3120 $id = $title->getArticleId();
3125 $dbr = wfGetDB( DB_SLAVE
);
3127 $rev_clause = array( 'rev_page' => $id );
3129 $edits = $dbr->selectField(
3134 $this->getSelectOptions() );
3136 $authors = $dbr->selectField(
3138 'COUNT(DISTINCT rev_user_text)',
3141 $this->getSelectOptions() );
3143 return array( 'edits' => $edits, 'authors' => $authors );
3147 * Return a list of templates used by this article.
3148 * Uses the templatelinks table
3150 * @return array Array of Title objects
3152 function getUsedTemplates() {
3154 $id = $this->mTitle
->getArticleID();
3159 $dbr = wfGetDB( DB_SLAVE
);
3160 $res = $dbr->select( array( 'templatelinks' ),
3161 array( 'tl_namespace', 'tl_title' ),
3162 array( 'tl_from' => $id ),
3163 'Article:getUsedTemplates' );
3164 if ( false !== $res ) {
3165 if ( $dbr->numRows( $res ) ) {
3166 while ( $row = $dbr->fetchObject( $res ) ) {
3167 $result[] = Title
::makeTitle( $row->tl_namespace
, $row->tl_title
);
3171 $dbr->freeResult( $res );
3176 * Returns a list of hidden categories this page is a member of.
3177 * Uses the page_props and categorylinks tables.
3179 * @return array Array of Title objects
3181 function getHiddenCategories() {
3183 $id = $this->mTitle
->getArticleID();
3188 $dbr = wfGetDB( DB_SLAVE
);
3189 $res = $dbr->select( array( 'categorylinks', 'page_props', 'page' ),
3191 array( 'cl_from' => $id, 'pp_page=page_id', 'pp_propname' => 'hiddencat',
3192 'page_namespace' => NS_CATEGORY
, 'page_title=cl_to'),
3193 'Article:getHiddenCategories' );
3194 if ( false !== $res ) {
3195 if ( $dbr->numRows( $res ) ) {
3196 while ( $row = $dbr->fetchObject( $res ) ) {
3197 $result[] = Title
::makeTitle( NS_CATEGORY
, $row->cl_to
);
3201 $dbr->freeResult( $res );
3206 * Return an auto-generated summary if the text provided is a redirect.
3208 * @param string $text The wikitext to check
3209 * @return string '' or an appropriate summary
3211 public static function getRedirectAutosummary( $text ) {
3212 $rt = Title
::newFromRedirect( $text );
3213 if( is_object( $rt ) )
3214 return wfMsgForContent( 'autoredircomment', $rt->getFullText() );
3220 * Return an auto-generated summary if the new text is much shorter than
3223 * @param string $oldtext The previous text of the page
3224 * @param string $text The submitted text of the page
3225 * @return string An appropriate autosummary, or an empty string.
3227 public static function getBlankingAutosummary( $oldtext, $text ) {
3228 if ($oldtext!='' && $text=='') {
3229 return wfMsgForContent('autosumm-blank');
3230 } elseif (strlen($oldtext) > 10 * strlen($text) && strlen($text) < 500) {
3231 #Removing more than 90% of the article
3233 $truncatedtext = $wgContLang->truncate($text, max(0, 200 - strlen(wfMsgForContent('autosumm-replace'))), '...');
3234 return wfMsgForContent('autosumm-replace', $truncatedtext);
3241 * Return an applicable autosummary if one exists for the given edit.
3242 * @param string $oldtext The previous text of the page.
3243 * @param string $newtext The submitted text of the page.
3244 * @param bitmask $flags A bitmask of flags submitted for the edit.
3245 * @return string An appropriate autosummary, or an empty string.
3247 public static function getAutosummary( $oldtext, $newtext, $flags ) {
3249 # This code is UGLY UGLY UGLY.
3250 # Somebody PLEASE come up with a more elegant way to do it.
3252 #Redirect autosummaries
3253 $summary = self
::getRedirectAutosummary( $newtext );
3258 #Blanking autosummaries
3259 if (!($flags & EDIT_NEW
))
3260 $summary = self
::getBlankingAutosummary( $oldtext, $newtext );
3265 #New page autosummaries
3266 if ($flags & EDIT_NEW
&& strlen($newtext)) {
3267 #If they're making a new article, give its text, truncated, in the summary.
3269 $truncatedtext = $wgContLang->truncate(
3270 str_replace("\n", ' ', $newtext),
3271 max( 0, 200 - strlen( wfMsgForContent( 'autosumm-new') ) ),
3273 $summary = wfMsgForContent( 'autosumm-new', $truncatedtext );
3283 * Add the primary page-view wikitext to the output buffer
3284 * Saves the text into the parser cache if possible.
3285 * Updates templatelinks if it is out of date.
3287 * @param string $text
3288 * @param bool $cache
3290 public function outputWikiText( $text, $cache = true ) {
3291 global $wgParser, $wgUser, $wgOut, $wgEnableParserCache;
3293 $popts = $wgOut->parserOptions();
3294 $popts->setTidy(true);
3295 $popts->enableLimitReport();
3296 $parserOutput = $wgParser->parse( $text, $this->mTitle
,
3297 $popts, true, true, $this->getRevIdFetched() );
3298 $popts->setTidy(false);
3299 $popts->enableLimitReport( false );
3300 if ( $wgEnableParserCache && $cache && $this && $parserOutput->getCacheTime() != -1 ) {
3301 $parserCache =& ParserCache
::singleton();
3302 $parserCache->save( $parserOutput, $this, $wgUser );
3305 if ( !wfReadOnly() && $this->mTitle
->areRestrictionsCascading() ) {
3306 // templatelinks table may have become out of sync,
3307 // especially if using variable-based transclusions.
3308 // For paranoia, check if things have changed and if
3309 // so apply updates to the database. This will ensure
3310 // that cascaded protections apply as soon as the changes
3313 # Get templates from templatelinks
3314 $id = $this->mTitle
->getArticleID();
3316 $tlTemplates = array();
3318 $dbr = wfGetDB( DB_SLAVE
);
3319 $res = $dbr->select( array( 'templatelinks' ),
3320 array( 'tl_namespace', 'tl_title' ),
3321 array( 'tl_from' => $id ),
3322 'Article:getUsedTemplates' );
3326 if ( false !== $res ) {
3327 if ( $dbr->numRows( $res ) ) {
3328 while ( $row = $dbr->fetchObject( $res ) ) {
3329 $tlTemplates[] = $wgContLang->getNsText( $row->tl_namespace
) . ':' . $row->tl_title
;
3334 # Get templates from parser output.
3335 $poTemplates_allns = $parserOutput->getTemplates();
3337 $poTemplates = array ();
3338 foreach ( $poTemplates_allns as $ns_templates ) {
3339 $poTemplates = array_merge( $poTemplates, $ns_templates );
3343 $templates_diff = array_diff( $poTemplates, $tlTemplates );
3345 if ( count( $templates_diff ) > 0 ) {
3346 # Whee, link updates time.
3347 $u = new LinksUpdate( $this->mTitle
, $parserOutput );
3349 $dbw = wfGetDb( DB_MASTER
);
3358 $wgOut->addParserOutput( $parserOutput );
3362 * Update all the appropriate counts in the category table, given that
3363 * we've added the categories $added and deleted the categories $deleted.
3365 * @param $added array The names of categories that were added
3366 * @param $deleted array The names of categories that were deleted
3369 public function updateCategoryCounts( $added, $deleted ) {
3370 $ns = $this->mTitle
->getNamespace();
3371 $dbw = wfGetDB( DB_MASTER
);
3373 # First make sure the rows exist. If one of the "deleted" ones didn't
3374 # exist, we might legitimately not create it, but it's simpler to just
3375 # create it and then give it a negative value, since the value is bogus
3378 # Sometimes I wish we had INSERT ... ON DUPLICATE KEY UPDATE.
3379 $insertCats = array_merge( $added, $deleted );
3380 if( !$insertCats ) {
3381 # Okay, nothing to do
3384 $insertRows = array();
3385 foreach( $insertCats as $cat ) {
3386 $insertRows[] = array( 'cat_title' => $cat );
3388 $dbw->insert( 'category', $insertRows, __METHOD__
, 'IGNORE' );
3390 $addFields = array( 'cat_pages = cat_pages + 1' );
3391 $removeFields = array( 'cat_pages = cat_pages - 1' );
3392 if( $ns == NS_CATEGORY
) {
3393 $addFields[] = 'cat_subcats = cat_subcats + 1';
3394 $removeFields[] = 'cat_subcats = cat_subcats - 1';
3395 } elseif( $ns == NS_IMAGE
) {
3396 $addFields[] = 'cat_files = cat_files + 1';
3397 $removeFields[] = 'cat_files = cat_files - 1';
3404 array( 'cat_title' => $added ),
3412 array( 'cat_title' => $deleted ),