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, $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;
129 * Note that getContent/loadContent do not follow redirects anymore.
130 * If you need to fetch redirectable content easily, try
131 * the shortcut in Article::followContent()
133 * @todo There are still side-effects in this!
134 * In general, you should use the Revision class, not Article,
135 * to fetch text for purposes other than page views.
137 * @return Return the text of this revision
139 function getContent() {
140 global $wgUser, $wgOut;
142 wfProfileIn( __METHOD__
);
144 if ( 0 == $this->getID() ) {
145 wfProfileOut( __METHOD__
);
146 $wgOut->setRobotpolicy( 'noindex,nofollow' );
148 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
149 $ret = wfMsgWeirdKey ( $this->mTitle
->getText() ) ;
151 $ret = wfMsg( $wgUser->isLoggedIn() ?
'noarticletext' : 'noarticletextanon' );
154 return "<div class='noarticletext'>$ret</div>";
156 $this->loadContent();
157 wfProfileOut( __METHOD__
);
158 return $this->mContent
;
163 * This function returns the text of a section, specified by a number ($section).
164 * A section is text under a heading like == Heading == or \<h1\>Heading\</h1\>, or
165 * the first section before any such heading (section 0).
167 * If a section contains subsections, these are also returned.
169 * @param $text String: text to look in
170 * @param $section Integer: section number
171 * @return string text of the requested section
174 function getSection($text,$section) {
176 return $wgParser->getSection( $text, $section );
180 * @return int The oldid of the article that is to be shown, 0 for the
183 function getOldID() {
184 if ( is_null( $this->mOldId
) ) {
185 $this->mOldId
= $this->getOldIDFromRequest();
187 return $this->mOldId
;
191 * Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect
193 * @return int The old id for the request
195 function getOldIDFromRequest() {
197 $this->mRedirectUrl
= false;
198 $oldid = $wgRequest->getVal( 'oldid' );
199 if ( isset( $oldid ) ) {
200 $oldid = intval( $oldid );
201 if ( $wgRequest->getVal( 'direction' ) == 'next' ) {
202 $nextid = $this->mTitle
->getNextRevisionID( $oldid );
206 $this->mRedirectUrl
= $this->mTitle
->getFullURL( 'redirect=no' );
208 } elseif ( $wgRequest->getVal( 'direction' ) == 'prev' ) {
209 $previd = $this->mTitle
->getPreviousRevisionID( $oldid );
227 * Load the revision (including text) into this object
229 function loadContent() {
230 if ( $this->mContentLoaded
) return;
233 $oldid = $this->getOldID();
235 # Pre-fill content with error message so that if something
236 # fails we'll have something telling us what we intended.
237 $this->mOldId
= $oldid;
238 $this->fetchContent( $oldid );
243 * Fetch a page record with the given conditions
244 * @param Database $dbr
245 * @param array $conditions
248 function pageData( $dbr, $conditions ) {
261 wfRunHooks( 'ArticlePageDataBefore', array( &$this , &$fields ) ) ;
262 $row = $dbr->selectRow( 'page',
265 'Article::pageData' );
266 wfRunHooks( 'ArticlePageDataAfter', array( &$this , &$row ) ) ;
271 * @param Database $dbr
272 * @param Title $title
274 function pageDataFromTitle( $dbr, $title ) {
275 return $this->pageData( $dbr, array(
276 'page_namespace' => $title->getNamespace(),
277 'page_title' => $title->getDBkey() ) );
281 * @param Database $dbr
284 function pageDataFromId( $dbr, $id ) {
285 return $this->pageData( $dbr, array( 'page_id' => $id ) );
289 * Set the general counter, title etc data loaded from
292 * @param object $data
295 function loadPageData( $data = 'fromdb' ) {
296 if ( $data === 'fromdb' ) {
297 $dbr = $this->getDB();
298 $data = $this->pageDataFromId( $dbr, $this->getId() );
301 $lc =& LinkCache
::singleton();
303 $lc->addGoodLinkObj( $data->page_id
, $this->mTitle
);
305 $this->mTitle
->mArticleID
= $data->page_id
;
307 # Old-fashioned restrictions.
308 $this->mTitle
->loadRestrictions( $data->page_restrictions
);
310 $this->mCounter
= $data->page_counter
;
311 $this->mTouched
= wfTimestamp( TS_MW
, $data->page_touched
);
312 $this->mIsRedirect
= $data->page_is_redirect
;
313 $this->mLatest
= $data->page_latest
;
315 if ( is_object( $this->mTitle
) ) {
316 $lc->addBadLinkObj( $this->mTitle
);
318 $this->mTitle
->mArticleID
= 0;
321 $this->mDataLoaded
= true;
325 * Get text of an article from database
326 * Does *NOT* follow redirects.
327 * @param int $oldid 0 for whatever the latest revision is
330 function fetchContent( $oldid = 0 ) {
331 if ( $this->mContentLoaded
) {
332 return $this->mContent
;
335 $dbr = $this->getDB();
337 # Pre-fill content with error message so that if something
338 # fails we'll have something telling us what we intended.
339 $t = $this->mTitle
->getPrefixedText();
341 $t .= ',oldid='.$oldid;
343 $this->mContent
= wfMsg( 'missingarticle', $t ) ;
346 $revision = Revision
::newFromId( $oldid );
347 if( is_null( $revision ) ) {
348 wfDebug( __METHOD__
." failed to retrieve specified revision, id $oldid\n" );
351 $data = $this->pageDataFromId( $dbr, $revision->getPage() );
353 wfDebug( __METHOD__
." failed to get page data linked to revision id $oldid\n" );
356 $this->mTitle
= Title
::makeTitle( $data->page_namespace
, $data->page_title
);
357 $this->loadPageData( $data );
359 if( !$this->mDataLoaded
) {
360 $data = $this->pageDataFromTitle( $dbr, $this->mTitle
);
362 wfDebug( __METHOD__
." failed to find page data for title " . $this->mTitle
->getPrefixedText() . "\n" );
365 $this->loadPageData( $data );
367 $revision = Revision
::newFromId( $this->mLatest
);
368 if( is_null( $revision ) ) {
369 wfDebug( __METHOD__
." failed to retrieve current page, rev_id {$data->page_latest}\n" );
374 // FIXME: Horrible, horrible! This content-loading interface just plain sucks.
375 // We should instead work with the Revision object when we need it...
376 $this->mContent
= $revision->userCan( Revision
::DELETED_TEXT
) ?
$revision->getRawText() : "";
377 //$this->mContent = $revision->getText();
379 $this->mUser
= $revision->getUser();
380 $this->mUserText
= $revision->getUserText();
381 $this->mComment
= $revision->getComment();
382 $this->mTimestamp
= wfTimestamp( TS_MW
, $revision->getTimestamp() );
384 $this->mRevIdFetched
= $revision->getID();
385 $this->mContentLoaded
= true;
386 $this->mRevision
=& $revision;
388 wfRunHooks( 'ArticleAfterFetchContent', array( &$this, &$this->mContent
) ) ;
390 return $this->mContent
;
394 * Read/write accessor to select FOR UPDATE
396 * @param $x Mixed: FIXME
398 function forUpdate( $x = NULL ) {
399 return wfSetVar( $this->mForUpdate
, $x );
403 * Get the database which should be used for reads
408 return wfGetDB( DB_MASTER
);
412 * Get options for all SELECT statements
414 * @param $options Array: an optional options array which'll be appended to
416 * @return Array: options
418 function getSelectOptions( $options = '' ) {
419 if ( $this->mForUpdate
) {
420 if ( is_array( $options ) ) {
421 $options[] = 'FOR UPDATE';
423 $options = 'FOR UPDATE';
430 * @return int Page ID
433 if( $this->mTitle
) {
434 return $this->mTitle
->getArticleID();
441 * @return bool Whether or not the page exists in the database
444 return $this->getId() != 0;
448 * @return int The view count for the page
450 function getCount() {
451 if ( -1 == $this->mCounter
) {
452 $id = $this->getID();
456 $dbr = wfGetDB( DB_SLAVE
);
457 $this->mCounter
= $dbr->selectField( 'page', 'page_counter', array( 'page_id' => $id ),
458 'Article::getCount', $this->getSelectOptions() );
461 return $this->mCounter
;
465 * Determine whether a page would be suitable for being counted as an
466 * article in the site_stats table based on the title & its content
468 * @param $text String: text to analyze
471 function isCountable( $text ) {
472 global $wgUseCommaCount;
474 $token = $wgUseCommaCount ?
',' : '[[';
476 $this->mTitle
->isContentPage()
477 && !$this->isRedirect( $text )
478 && in_string( $token, $text );
482 * Tests if the article text represents a redirect
484 * @param $text String: FIXME
487 function isRedirect( $text = false ) {
488 if ( $text === false ) {
489 $this->loadContent();
490 $titleObj = Title
::newFromRedirect( $this->fetchContent() );
492 $titleObj = Title
::newFromRedirect( $text );
494 return $titleObj !== NULL;
498 * Returns true if the currently-referenced revision is the current edit
499 * to this page (and it exists).
502 function isCurrent() {
503 return $this->exists() &&
504 isset( $this->mRevision
) &&
505 $this->mRevision
->isCurrent();
509 * Loads everything except the text
510 * This isn't necessary for all uses, so it's only done if needed.
513 function loadLastEdit() {
514 if ( -1 != $this->mUser
)
517 # New or non-existent articles have no user information
518 $id = $this->getID();
519 if ( 0 == $id ) return;
521 $this->mLastRevision
= Revision
::loadFromPageId( $this->getDB(), $id );
522 if( !is_null( $this->mLastRevision
) ) {
523 $this->mUser
= $this->mLastRevision
->getUser();
524 $this->mUserText
= $this->mLastRevision
->getUserText();
525 $this->mTimestamp
= $this->mLastRevision
->getTimestamp();
526 $this->mComment
= $this->mLastRevision
->getComment();
527 $this->mMinorEdit
= $this->mLastRevision
->isMinor();
528 $this->mRevIdFetched
= $this->mLastRevision
->getID();
532 function getTimestamp() {
533 // Check if the field has been filled by ParserCache::get()
534 if ( !$this->mTimestamp
) {
535 $this->loadLastEdit();
537 return wfTimestamp(TS_MW
, $this->mTimestamp
);
541 $this->loadLastEdit();
545 function getUserText() {
546 $this->loadLastEdit();
547 return $this->mUserText
;
550 function getComment() {
551 $this->loadLastEdit();
552 return $this->mComment
;
555 function getMinorEdit() {
556 $this->loadLastEdit();
557 return $this->mMinorEdit
;
560 function getRevIdFetched() {
561 $this->loadLastEdit();
562 return $this->mRevIdFetched
;
566 * @todo Document, fixme $offset never used.
567 * @param $limit Integer: default 0.
568 * @param $offset Integer: default 0.
570 function getContributors($limit = 0, $offset = 0) {
571 # XXX: this is expensive; cache this info somewhere.
574 $dbr = wfGetDB( DB_SLAVE
);
575 $revTable = $dbr->tableName( 'revision' );
576 $userTable = $dbr->tableName( 'user' );
577 $user = $this->getUser();
578 $pageId = $this->getId();
580 $sql = "SELECT rev_user, rev_user_text, user_real_name, MAX(rev_timestamp) as timestamp
581 FROM $revTable LEFT JOIN $userTable ON rev_user = user_id
582 WHERE rev_page = $pageId
583 AND rev_user != $user
584 GROUP BY rev_user, rev_user_text, user_real_name
585 ORDER BY timestamp DESC";
587 if ($limit > 0) { $sql .= ' LIMIT '.$limit; }
588 $sql .= ' '. $this->getSelectOptions();
590 $res = $dbr->query($sql, __METHOD__
);
592 while ( $line = $dbr->fetchObject( $res ) ) {
593 $contribs[] = array($line->rev_user
, $line->rev_user_text
, $line->user_real_name
);
596 $dbr->freeResult($res);
601 * This is the default action of the script: just view the page of
605 global $wgUser, $wgOut, $wgRequest, $wgContLang;
606 global $wgEnableParserCache, $wgStylePath, $wgUseRCPatrol, $wgParser;
607 global $wgUseTrackbacks, $wgNamespaceRobotPolicies;
608 $sk = $wgUser->getSkin();
610 wfProfileIn( __METHOD__
);
612 $parserCache =& ParserCache
::singleton();
613 $ns = $this->mTitle
->getNamespace(); # shortcut
615 # Get variables from query string
616 $oldid = $this->getOldID();
618 # getOldID may want us to redirect somewhere else
619 if ( $this->mRedirectUrl
) {
620 $wgOut->redirect( $this->mRedirectUrl
);
621 wfProfileOut( __METHOD__
);
625 $diff = $wgRequest->getVal( 'diff' );
626 $rcid = $wgRequest->getVal( 'rcid' );
627 $rdfrom = $wgRequest->getVal( 'rdfrom' );
628 $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
630 $wgOut->setArticleFlag( true );
632 # Discourage indexing of printable versions, but encourage following
633 if( $wgOut->isPrintable() ) {
634 $policy = 'noindex,follow';
635 } elseif( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
636 # Honour customised robot policies for this namespace
637 $policy = $wgNamespaceRobotPolicies[$ns];
639 # Default to encourage indexing and following links
640 $policy = 'index,follow';
642 $wgOut->setRobotPolicy( $policy );
644 # If we got diff and oldid in the query, we want to see a
645 # diff page instead of the article.
647 if ( !is_null( $diff ) ) {
648 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
650 $de = new DifferenceEngine( $this->mTitle
, $oldid, $diff, $rcid );
651 // DifferenceEngine directly fetched the revision:
652 $this->mRevIdFetched
= $de->mNewid
;
653 $de->showDiffPage( $diffOnly );
655 // Needed to get the page's current revision
656 $this->loadPageData();
657 if( $diff == 0 ||
$diff == $this->mLatest
) {
658 # Run view updates for current revision only
659 $this->viewUpdates();
661 wfProfileOut( __METHOD__
);
665 if ( empty( $oldid ) && $this->checkTouched() ) {
666 $wgOut->setETag($parserCache->getETag($this, $wgUser));
668 if( $wgOut->checkLastModified( $this->mTouched
) ){
669 wfProfileOut( __METHOD__
);
671 } else if ( $this->tryFileCache() ) {
672 # tell wgOut that output is taken care of
674 $this->viewUpdates();
675 wfProfileOut( __METHOD__
);
680 # Should the parser cache be used?
681 $pcache = $wgEnableParserCache &&
682 intval( $wgUser->getOption( 'stubthreshold' ) ) == 0 &&
685 wfDebug( 'Article::view using parser cache: ' . ($pcache ?
'yes' : 'no' ) . "\n" );
686 if ( $wgUser->getOption( 'stubthreshold' ) ) {
687 wfIncrStats( 'pcache_miss_stub' );
690 $wasRedirected = false;
691 if ( isset( $this->mRedirectedFrom
) ) {
692 // This is an internally redirected page view.
693 // We'll need a backlink to the source page for navigation.
694 if ( wfRunHooks( 'ArticleViewRedirect', array( &$this ) ) ) {
695 $sk = $wgUser->getSkin();
696 $redir = $sk->makeKnownLinkObj( $this->mRedirectedFrom
, '', 'redirect=no' );
697 $s = wfMsg( 'redirectedfrom', $redir );
698 $wgOut->setSubtitle( $s );
700 // Set the fragment if one was specified in the redirect
701 if ( strval( $this->mTitle
->getFragment() ) != '' ) {
702 $fragment = Xml
::escapeJsString( $this->mTitle
->getFragmentForURL() );
703 $wgOut->addInlineScript( "redirectToFragment(\"$fragment\");" );
705 $wasRedirected = true;
707 } elseif ( !empty( $rdfrom ) ) {
708 // This is an externally redirected view, from some other wiki.
709 // If it was reported from a trusted site, supply a backlink.
710 global $wgRedirectSources;
711 if( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
712 $sk = $wgUser->getSkin();
713 $redir = $sk->makeExternalLink( $rdfrom, $rdfrom );
714 $s = wfMsg( 'redirectedfrom', $redir );
715 $wgOut->setSubtitle( $s );
716 $wasRedirected = true;
721 wfRunHooks( 'ArticleViewHeader', array( &$this ) );
723 if ( $wgOut->tryParserCache( $this, $wgUser ) ) {
727 if ( !$outputDone ) {
728 $text = $this->getContent();
729 if ( $text === false ) {
730 # Failed to load, replace text with error message
731 $t = $this->mTitle
->getPrefixedText();
733 $t .= ',oldid='.$oldid;
734 $text = wfMsg( 'missingarticle', $t );
736 $text = wfMsg( 'noarticletext', $t );
740 # Another whitelist check in case oldid is altering the title
741 if ( !$this->mTitle
->userCanRead() ) {
742 $wgOut->loginToUse();
747 # We're looking at an old revision
749 if ( !empty( $oldid ) ) {
750 $wgOut->setRobotpolicy( 'noindex,nofollow' );
751 if( is_null( $this->mRevision
) ) {
752 // FIXME: This would be a nice place to load the 'no such page' text.
754 $this->setOldSubtitle( isset($this->mOldId
) ?
$this->mOldId
: $oldid );
755 if( $this->mRevision
->isDeleted( Revision
::DELETED_TEXT
) ) {
756 if( !$this->mRevision
->userCan( Revision
::DELETED_TEXT
) ) {
757 $wgOut->addWikiText( wfMsg( 'rev-deleted-text-permission' ) );
758 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
761 $wgOut->addWikiText( wfMsg( 'rev-deleted-text-view' ) );
762 // and we are allowed to see...
770 $wgOut->setRevisionId( $this->getRevIdFetched() );
771 # wrap user css and user js in pre and don't parse
772 # XXX: use $this->mTitle->usCssJsSubpage() when php is fixed/ a workaround is found
775 preg_match('/\\/[\\w]+\\.(?:css|js)$/', $this->mTitle
->getDBkey())
777 $wgOut->addWikiText( wfMsg('clearyourcache'));
778 $wgOut->addHTML( '<pre>'.htmlspecialchars($this->mContent
)."\n</pre>" );
779 } else if ( $rt = Title
::newFromRedirect( $text ) ) {
781 $imageDir = $wgContLang->isRTL() ?
'rtl' : 'ltr';
782 $imageUrl = $wgStylePath.'/common/images/redirect' . $imageDir . '.png';
783 # Don't overwrite the subtitle if this was an old revision
784 if( !$wasRedirected && $this->isCurrent() ) {
785 $wgOut->setSubtitle( wfMsgHtml( 'redirectpagesub' ) );
787 $link = $sk->makeLinkObj( $rt, $rt->getFullText() );
789 $wgOut->addHTML( '<img src="'.$imageUrl.'" alt="#REDIRECT " />' .
790 '<span class="redirectText">'.$link.'</span>' );
792 $parseout = $wgParser->parse($text, $this->mTitle
, ParserOptions
::newFromUser($wgUser));
793 $wgOut->addParserOutputNoText( $parseout );
794 } else if ( $pcache ) {
795 # Display content and save to parser cache
796 $this->outputWikiText( $text );
798 # Display content, don't attempt to save to parser cache
799 # Don't show section-edit links on old revisions... this way lies madness.
800 if( !$this->isCurrent() ) {
801 $oldEditSectionSetting = $wgOut->parserOptions()->setEditSection( false );
803 # Display content and don't save to parser cache
804 # With timing hack -- TS 2006-07-26
806 $this->outputWikiText( $text, false );
811 wfDebugLog( 'slow-parse', sprintf( "%-5.2f %s", $time,
812 $this->mTitle
->getPrefixedDBkey()));
815 if( !$this->isCurrent() ) {
816 $wgOut->parserOptions()->setEditSection( $oldEditSectionSetting );
821 /* title may have been set from the cache */
822 $t = $wgOut->getPageTitle();
824 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
827 # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
828 if( $ns == NS_USER_TALK
&&
829 User
::isIP( $this->mTitle
->getText() ) ) {
830 $wgOut->addWikiText( wfMsg('anontalkpagetext') );
833 # If we have been passed an &rcid= parameter, we want to give the user a
834 # chance to mark this new article as patrolled.
835 if ( $wgUseRCPatrol && !is_null( $rcid ) && $rcid != 0 && $wgUser->isAllowed( 'patrol' ) ) {
837 "<div class='patrollink'>" .
838 wfMsgHtml( 'markaspatrolledlink',
839 $sk->makeKnownLinkObj( $this->mTitle
, wfMsgHtml('markaspatrolledtext'),
840 "action=markpatrolled&rcid=$rcid" )
847 if ($wgUseTrackbacks)
848 $this->addTrackbacks();
850 $this->viewUpdates();
851 wfProfileOut( __METHOD__
);
854 function addTrackbacks() {
855 global $wgOut, $wgUser;
857 $dbr = wfGetDB(DB_SLAVE
);
859 /* FROM */ 'trackbacks',
860 /* SELECT */ array('tb_id', 'tb_title', 'tb_url', 'tb_ex', 'tb_name'),
861 /* WHERE */ array('tb_page' => $this->getID())
864 if (!$dbr->numrows($tbs))
868 while ($o = $dbr->fetchObject($tbs)) {
870 if ($wgUser->isAllowed( 'trackback' )) {
871 $delurl = $this->mTitle
->getFullURL("action=deletetrackback&tbid="
872 . $o->tb_id
. "&token=" . $wgUser->editToken());
873 $rmvtxt = wfMsg('trackbackremove', $delurl);
875 $tbtext .= wfMsg(strlen($o->tb_ex
) ?
'trackbackexcerpt' : 'trackback',
882 $wgOut->addWikitext(wfMsg('trackbackbox', $tbtext));
885 function deletetrackback() {
886 global $wgUser, $wgRequest, $wgOut, $wgTitle;
888 if (!$wgUser->matchEditToken($wgRequest->getVal('token'))) {
889 $wgOut->addWikitext(wfMsg('sessionfailure'));
893 if ((!$wgUser->isAllowed('delete'))) {
894 $wgOut->permissionRequired( 'delete' );
899 $wgOut->readOnlyPage();
903 $db = wfGetDB(DB_MASTER
);
904 $db->delete('trackbacks', array('tb_id' => $wgRequest->getInt('tbid')));
905 $wgTitle->invalidateCache();
906 $wgOut->addWikiText(wfMsg('trackbackdeleteok'));
912 $wgOut->setArticleBodyOnly(true);
917 * Handle action=purge
920 global $wgUser, $wgRequest, $wgOut;
922 if ( $wgUser->isAllowed( 'purge' ) ||
$wgRequest->wasPosted() ) {
923 if( wfRunHooks( 'ArticlePurge', array( &$this ) ) ) {
927 $msg = $wgOut->parse( wfMsg( 'confirm_purge' ) );
928 $action = $this->mTitle
->escapeLocalURL( 'action=purge' );
929 $button = htmlspecialchars( wfMsg( 'confirm_purge_button' ) );
930 $msg = str_replace( '$1',
931 "<form method=\"post\" action=\"$action\">\n" .
932 "<input type=\"submit\" name=\"submit\" value=\"$button\" />\n" .
935 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
936 $wgOut->setRobotpolicy( 'noindex,nofollow' );
937 $wgOut->addHTML( $msg );
942 * Perform the actions of a page purging
946 // Invalidate the cache
947 $this->mTitle
->invalidateCache();
950 // Commit the transaction before the purge is sent
951 $dbw = wfGetDB( DB_MASTER
);
952 $dbw->immediateCommit();
955 $update = SquidUpdate
::newSimplePurge( $this->mTitle
);
962 * Insert a new empty page record for this article.
963 * This *must* be followed up by creating a revision
964 * and running $this->updateToLatest( $rev_id );
965 * or else the record will be left in a funky state.
966 * Best if all done inside a transaction.
968 * @param Database $dbw
969 * @return int The newly created page_id key
972 function insertOn( $dbw ) {
973 wfProfileIn( __METHOD__
);
975 $page_id = $dbw->nextSequenceValue( 'page_page_id_seq' );
976 $dbw->insert( 'page', array(
977 'page_id' => $page_id,
978 'page_namespace' => $this->mTitle
->getNamespace(),
979 'page_title' => $this->mTitle
->getDBkey(),
981 'page_restrictions' => '',
982 'page_is_redirect' => 0, # Will set this shortly...
984 'page_random' => wfRandom(),
985 'page_touched' => $dbw->timestamp(),
986 'page_latest' => 0, # Fill this in shortly...
987 'page_len' => 0, # Fill this in shortly...
989 $newid = $dbw->insertId();
991 $this->mTitle
->resetArticleId( $newid );
993 wfProfileOut( __METHOD__
);
998 * Update the page record to point to a newly saved revision.
1000 * @param Database $dbw
1001 * @param Revision $revision For ID number, and text used to set
1002 length and redirect status fields
1003 * @param int $lastRevision If given, will not overwrite the page field
1004 * when different from the currently set value.
1005 * Giving 0 indicates the new page flag should
1007 * @param bool $lastRevIsRedirect If given, will optimize adding and
1008 * removing rows in redirect table.
1009 * @return bool true on success, false on failure
1012 function updateRevisionOn( &$dbw, $revision, $lastRevision = null, $lastRevIsRedirect = null ) {
1013 wfProfileIn( __METHOD__
);
1015 $text = $revision->getText();
1016 $rt = Title
::newFromRedirect( $text );
1018 $conditions = array( 'page_id' => $this->getId() );
1019 if( !is_null( $lastRevision ) ) {
1020 # An extra check against threads stepping on each other
1021 $conditions['page_latest'] = $lastRevision;
1024 $dbw->update( 'page',
1026 'page_latest' => $revision->getId(),
1027 'page_touched' => $dbw->timestamp(),
1028 'page_is_new' => ($lastRevision === 0) ?
1 : 0,
1029 'page_is_redirect' => $rt !== NULL ?
1 : 0,
1030 'page_len' => strlen( $text ),
1035 $result = $dbw->affectedRows() != 0;
1038 // FIXME: Should the result from updateRedirectOn() be returned instead?
1039 $this->updateRedirectOn( $dbw, $rt, $lastRevIsRedirect );
1042 wfProfileOut( __METHOD__
);
1047 * Add row to the redirect table if this is a redirect, remove otherwise.
1049 * @param Database $dbw
1050 * @param $redirectTitle a title object pointing to the redirect target,
1051 * or NULL if this is not a redirect
1052 * @param bool $lastRevIsRedirect If given, will optimize adding and
1053 * removing rows in redirect table.
1054 * @return bool true on success, false on failure
1057 function updateRedirectOn( &$dbw, $redirectTitle, $lastRevIsRedirect = null ) {
1059 // Always update redirects (target link might have changed)
1060 // Update/Insert if we don't know if the last revision was a redirect or not
1061 // Delete if changing from redirect to non-redirect
1062 $isRedirect = !is_null($redirectTitle);
1063 if ($isRedirect ||
is_null($lastRevIsRedirect) ||
$lastRevIsRedirect !== $isRedirect) {
1065 wfProfileIn( __METHOD__
);
1069 // This title is a redirect, Add/Update row in the redirect table
1070 $set = array( /* SET */
1071 'rd_namespace' => $redirectTitle->getNamespace(),
1072 'rd_title' => $redirectTitle->getDBkey(),
1073 'rd_from' => $this->getId(),
1076 $dbw->replace( 'redirect', array( 'rd_from' ), $set, __METHOD__
);
1078 // This is not a redirect, remove row from redirect table
1079 $where = array( 'rd_from' => $this->getId() );
1080 $dbw->delete( 'redirect', $where, __METHOD__
);
1083 wfProfileOut( __METHOD__
);
1084 return ( $dbw->affectedRows() != 0 );
1091 * If the given revision is newer than the currently set page_latest,
1092 * update the page record. Otherwise, do nothing.
1094 * @param Database $dbw
1095 * @param Revision $revision
1097 function updateIfNewerOn( &$dbw, $revision ) {
1098 wfProfileIn( __METHOD__
);
1100 $row = $dbw->selectRow(
1101 array( 'revision', 'page' ),
1102 array( 'rev_id', 'rev_timestamp', 'page_is_redirect' ),
1104 'page_id' => $this->getId(),
1105 'page_latest=rev_id' ),
1108 if( wfTimestamp(TS_MW
, $row->rev_timestamp
) >= $revision->getTimestamp() ) {
1109 wfProfileOut( __METHOD__
);
1112 $prev = $row->rev_id
;
1113 $lastRevIsRedirect = (bool)$row->page_is_redirect
;
1115 # No or missing previous revision; mark the page as new
1117 $lastRevIsRedirect = null;
1120 $ret = $this->updateRevisionOn( $dbw, $revision, $prev, $lastRevIsRedirect );
1121 wfProfileOut( __METHOD__
);
1126 * @return string Complete article text, or null if error
1128 function replaceSection($section, $text, $summary = '', $edittime = NULL) {
1129 wfProfileIn( __METHOD__
);
1131 if( $section == '' ) {
1132 // Whole-page edit; let the text through unmolested.
1134 if( is_null( $edittime ) ) {
1135 $rev = Revision
::newFromTitle( $this->mTitle
);
1137 $dbw = wfGetDB( DB_MASTER
);
1138 $rev = Revision
::loadFromTimestamp( $dbw, $this->mTitle
, $edittime );
1140 if( is_null( $rev ) ) {
1141 wfDebug( "Article::replaceSection asked for bogus section (page: " .
1142 $this->getId() . "; section: $section; edittime: $edittime)\n" );
1145 $oldtext = $rev->getText();
1147 if( $section == 'new' ) {
1148 # Inserting a new section
1149 $subject = $summary ?
"== {$summary} ==\n\n" : '';
1150 $text = strlen( trim( $oldtext ) ) > 0
1151 ?
"{$oldtext}\n\n{$subject}{$text}"
1152 : "{$subject}{$text}";
1154 # Replacing an existing section; roll out the big guns
1156 $text = $wgParser->replaceSection( $oldtext, $section, $text );
1161 wfProfileOut( __METHOD__
);
1166 * @deprecated use Article::doEdit()
1168 function insertNewArticle( $text, $summary, $isminor, $watchthis, $suppressRC=false, $comment=false ) {
1169 $flags = EDIT_NEW | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
1170 ( $isminor ? EDIT_MINOR
: 0 ) |
1171 ( $suppressRC ? EDIT_SUPPRESS_RC
: 0 );
1173 # If this is a comment, add the summary as headline
1174 if ( $comment && $summary != "" ) {
1175 $text = "== {$summary} ==\n\n".$text;
1178 $this->doEdit( $text, $summary, $flags );
1180 $dbw = wfGetDB( DB_MASTER
);
1182 if (!$this->mTitle
->userIsWatching()) {
1188 if ( $this->mTitle
->userIsWatching() ) {
1194 $this->doRedirect( $this->isRedirect( $text ) );
1198 * @deprecated use Article::doEdit()
1200 function updateArticle( $text, $summary, $minor, $watchthis, $forceBot = false, $sectionanchor = '' ) {
1201 $flags = EDIT_UPDATE | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
1202 ( $minor ? EDIT_MINOR
: 0 ) |
1203 ( $forceBot ? EDIT_FORCE_BOT
: 0 );
1205 $good = $this->doEdit( $text, $summary, $flags );
1207 $dbw = wfGetDB( DB_MASTER
);
1209 if (!$this->mTitle
->userIsWatching()) {
1215 if ( $this->mTitle
->userIsWatching() ) {
1222 $this->doRedirect( $this->isRedirect( $text ), $sectionanchor );
1230 * Change an existing article or create a new article. Updates RC and all necessary caches,
1231 * optionally via the deferred update array.
1233 * $wgUser must be set before calling this function.
1235 * @param string $text New text
1236 * @param string $summary Edit summary
1237 * @param integer $flags bitfield:
1239 * Article is known or assumed to be non-existent, create a new one
1241 * Article is known or assumed to be pre-existing, update it
1243 * Mark this edit minor, if the user is allowed to do so
1245 * Do not log the change in recentchanges
1247 * Mark the edit a "bot" edit regardless of user rights
1248 * EDIT_DEFER_UPDATES
1249 * Defer some of the updates until the end of index.php
1251 * Fill in blank summaries with generated text where possible
1253 * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the article will be detected.
1254 * If EDIT_UPDATE is specified and the article doesn't exist, the function will return false. If
1255 * EDIT_NEW is specified and the article does exist, a duplicate key error will cause an exception
1256 * to be thrown from the Database. These two conditions are also possible with auto-detection due
1257 * to MediaWiki's performance-optimised locking strategy.
1259 * @return bool success
1261 function doEdit( $text, $summary, $flags = 0 ) {
1262 global $wgUser, $wgDBtransactions;
1264 wfProfileIn( __METHOD__
);
1267 if ( !($flags & EDIT_NEW
) && !($flags & EDIT_UPDATE
) ) {
1268 $aid = $this->mTitle
->getArticleID( GAID_FOR_UPDATE
);
1270 $flags |
= EDIT_UPDATE
;
1276 if( !wfRunHooks( 'ArticleSave', array( &$this, &$wgUser, &$text,
1277 &$summary, $flags & EDIT_MINOR
,
1278 null, null, &$flags ) ) )
1280 wfDebug( __METHOD__
. ": ArticleSave hook aborted save!\n" );
1281 wfProfileOut( __METHOD__
);
1285 # Silently ignore EDIT_MINOR if not allowed
1286 $isminor = ( $flags & EDIT_MINOR
) && $wgUser->isAllowed('minoredit');
1287 $bot = $wgUser->isAllowed( 'bot' ) ||
( $flags & EDIT_FORCE_BOT
);
1289 $oldtext = $this->getContent();
1290 $oldsize = strlen( $oldtext );
1292 # Provide autosummaries if one is not provided.
1293 if ($flags & EDIT_AUTOSUMMARY
&& $summary == '')
1294 $summary = $this->getAutosummary( $oldtext, $text, $flags );
1296 $text = $this->preSaveTransform( $text );
1297 $newsize = strlen( $text );
1299 $dbw = wfGetDB( DB_MASTER
);
1300 $now = wfTimestampNow();
1302 if ( $flags & EDIT_UPDATE
) {
1303 # Update article, but only if changed.
1305 # Make sure the revision is either completely inserted or not inserted at all
1306 if( !$wgDBtransactions ) {
1307 $userAbort = ignore_user_abort( true );
1313 if ( 0 != strcmp( $text, $oldtext ) ) {
1314 $this->mGoodAdjustment
= (int)$this->isCountable( $text )
1315 - (int)$this->isCountable( $oldtext );
1316 $this->mTotalAdjustment
= 0;
1318 $lastRevision = $dbw->selectField(
1319 'page', 'page_latest', array( 'page_id' => $this->getId() ) );
1321 if ( !$lastRevision ) {
1322 # Article gone missing
1323 wfDebug( __METHOD__
.": EDIT_UPDATE specified but article doesn't exist\n" );
1324 wfProfileOut( __METHOD__
);
1328 $revision = new Revision( array(
1329 'page' => $this->getId(),
1330 'comment' => $summary,
1331 'minor_edit' => $isminor,
1336 $revisionId = $revision->insertOn( $dbw );
1339 $ok = $this->updateRevisionOn( $dbw, $revision, $lastRevision );
1342 /* Belated edit conflict! Run away!! */
1346 # Update recentchanges
1347 if( !( $flags & EDIT_SUPPRESS_RC
) ) {
1348 $rcid = RecentChange
::notifyEdit( $now, $this->mTitle
, $isminor, $wgUser, $summary,
1349 $lastRevision, $this->getTimestamp(), $bot, '', $oldsize, $newsize,
1352 # Mark as patrolled if the user can do so
1353 if( $GLOBALS['wgUseRCPatrol'] && $wgUser->isAllowed( 'autopatrol' ) ) {
1354 RecentChange
::markPatrolled( $rcid );
1355 PatrolLog
::record( $rcid, true );
1358 $wgUser->incEditCount();
1362 // Keep the same revision ID, but do some updates on it
1363 $revisionId = $this->getRevIdFetched();
1364 // Update page_touched, this is usually implicit in the page update
1365 // Other cache updates are done in onArticleEdit()
1366 $this->mTitle
->invalidateCache();
1369 if( !$wgDBtransactions ) {
1370 ignore_user_abort( $userAbort );
1374 # Invalidate cache of this article and all pages using this article
1375 # as a template. Partly deferred.
1376 Article
::onArticleEdit( $this->mTitle
);
1378 # Update links tables, site stats, etc.
1379 $changed = ( strcmp( $oldtext, $text ) != 0 );
1380 $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, $changed );
1383 # Create new article
1385 # Set statistics members
1386 # We work out if it's countable after PST to avoid counter drift
1387 # when articles are created with {{subst:}}
1388 $this->mGoodAdjustment
= (int)$this->isCountable( $text );
1389 $this->mTotalAdjustment
= 1;
1393 # Add the page record; stake our claim on this title!
1394 # This will fail with a database query exception if the article already exists
1395 $newid = $this->insertOn( $dbw );
1397 # Save the revision text...
1398 $revision = new Revision( array(
1400 'comment' => $summary,
1401 'minor_edit' => $isminor,
1404 $revisionId = $revision->insertOn( $dbw );
1406 $this->mTitle
->resetArticleID( $newid );
1408 # Update the page record with revision data
1409 $this->updateRevisionOn( $dbw, $revision, 0 );
1411 if( !( $flags & EDIT_SUPPRESS_RC
) ) {
1412 $rcid = RecentChange
::notifyNew( $now, $this->mTitle
, $isminor, $wgUser, $summary, $bot,
1413 '', strlen( $text ), $revisionId );
1414 # Mark as patrolled if the user can
1415 if( $GLOBALS['wgUseRCPatrol'] && $wgUser->isAllowed( 'autopatrol' ) ) {
1416 RecentChange
::markPatrolled( $rcid );
1417 PatrolLog
::record( $rcid, true );
1420 $wgUser->incEditCount();
1423 # Update links, etc.
1424 $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, true );
1427 Article
::onArticleCreate( $this->mTitle
);
1429 wfRunHooks( 'ArticleInsertComplete', array( &$this, &$wgUser, $text,
1430 $summary, $flags & EDIT_MINOR
,
1431 null, null, &$flags ) );
1434 if ( $good && !( $flags & EDIT_DEFER_UPDATES
) ) {
1438 wfRunHooks( 'ArticleSaveComplete',
1439 array( &$this, &$wgUser, $text,
1440 $summary, $flags & EDIT_MINOR
,
1441 null, null, &$flags ) );
1443 wfProfileOut( __METHOD__
);
1448 * @deprecated wrapper for doRedirect
1450 function showArticle( $text, $subtitle , $sectionanchor = '', $me2, $now, $summary, $oldid ) {
1451 $this->doRedirect( $this->isRedirect( $text ), $sectionanchor );
1455 * Output a redirect back to the article.
1456 * This is typically used after an edit.
1458 * @param boolean $noRedir Add redirect=no
1459 * @param string $sectionAnchor section to redirect to, including "#"
1461 function doRedirect( $noRedir = false, $sectionAnchor = '' ) {
1464 $query = 'redirect=no';
1468 $wgOut->redirect( $this->mTitle
->getFullURL( $query ) . $sectionAnchor );
1472 * Mark this particular edit as patrolled
1474 function markpatrolled() {
1475 global $wgOut, $wgRequest, $wgUseRCPatrol, $wgUser;
1476 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1478 # Check RC patrol config. option
1479 if( !$wgUseRCPatrol ) {
1480 $wgOut->errorPage( 'rcpatroldisabled', 'rcpatroldisabledtext' );
1485 if( !$wgUser->isAllowed( 'patrol' ) ) {
1486 $wgOut->permissionRequired( 'patrol' );
1490 # If we haven't been given an rc_id value, we can't do anything
1491 $rcid = $wgRequest->getVal( 'rcid' );
1493 $wgOut->errorPage( 'markedaspatrollederror', 'markedaspatrollederrortext' );
1497 # Handle the 'MarkPatrolled' hook
1498 if( !wfRunHooks( 'MarkPatrolled', array( $rcid, &$wgUser, false ) ) ) {
1502 $return = SpecialPage
::getTitleFor( 'Recentchanges' );
1503 # If it's left up to us, check that the user is allowed to patrol this edit
1504 # If the user has the "autopatrol" right, then we'll assume there are no
1505 # other conditions stopping them doing so
1506 if( !$wgUser->isAllowed( 'autopatrol' ) ) {
1507 $rc = RecentChange
::newFromId( $rcid );
1508 # Graceful error handling, as we've done before here...
1509 # (If the recent change doesn't exist, then it doesn't matter whether
1510 # the user is allowed to patrol it or not; nothing is going to happen
1511 if( is_object( $rc ) && $wgUser->getName() == $rc->getAttribute( 'rc_user_text' ) ) {
1512 # The user made this edit, and can't patrol it
1513 # Tell them so, and then back off
1514 $wgOut->setPageTitle( wfMsg( 'markedaspatrollederror' ) );
1515 $wgOut->addWikiText( wfMsgNoTrans( 'markedaspatrollederror-noautopatrol' ) );
1516 $wgOut->returnToMain( false, $return );
1521 # Mark the edit as patrolled
1522 RecentChange
::markPatrolled( $rcid );
1523 PatrolLog
::record( $rcid );
1524 wfRunHooks( 'MarkPatrolledComplete', array( &$rcid, &$wgUser, false ) );
1527 $wgOut->setPageTitle( wfMsg( 'markedaspatrolled' ) );
1528 $wgOut->addWikiText( wfMsgNoTrans( 'markedaspatrolledtext' ) );
1529 $wgOut->returnToMain( false, $return );
1533 * User-interface handler for the "watch" action
1538 global $wgUser, $wgOut;
1540 if ( $wgUser->isAnon() ) {
1541 $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
1544 if ( wfReadOnly() ) {
1545 $wgOut->readOnlyPage();
1549 if( $this->doWatch() ) {
1550 $wgOut->setPagetitle( wfMsg( 'addedwatch' ) );
1551 $wgOut->setRobotpolicy( 'noindex,nofollow' );
1553 $link = wfEscapeWikiText( $this->mTitle
->getPrefixedText() );
1554 $text = wfMsg( 'addedwatchtext', $link );
1555 $wgOut->addWikiText( $text );
1558 $wgOut->returnToMain( true, $this->mTitle
->getPrefixedText() );
1562 * Add this page to $wgUser's watchlist
1563 * @return bool true on successful watch operation
1565 function doWatch() {
1567 if( $wgUser->isAnon() ) {
1571 if (wfRunHooks('WatchArticle', array(&$wgUser, &$this))) {
1572 $wgUser->addWatch( $this->mTitle
);
1574 return wfRunHooks('WatchArticleComplete', array(&$wgUser, &$this));
1581 * User interface handler for the "unwatch" action.
1583 function unwatch() {
1585 global $wgUser, $wgOut;
1587 if ( $wgUser->isAnon() ) {
1588 $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
1591 if ( wfReadOnly() ) {
1592 $wgOut->readOnlyPage();
1596 if( $this->doUnwatch() ) {
1597 $wgOut->setPagetitle( wfMsg( 'removedwatch' ) );
1598 $wgOut->setRobotpolicy( 'noindex,nofollow' );
1600 $link = wfEscapeWikiText( $this->mTitle
->getPrefixedText() );
1601 $text = wfMsg( 'removedwatchtext', $link );
1602 $wgOut->addWikiText( $text );
1605 $wgOut->returnToMain( true, $this->mTitle
->getPrefixedText() );
1609 * Stop watching a page
1610 * @return bool true on successful unwatch
1612 function doUnwatch() {
1614 if( $wgUser->isAnon() ) {
1618 if (wfRunHooks('UnwatchArticle', array(&$wgUser, &$this))) {
1619 $wgUser->removeWatch( $this->mTitle
);
1621 return wfRunHooks('UnwatchArticleComplete', array(&$wgUser, &$this));
1628 * action=protect handler
1630 function protect() {
1631 $form = new ProtectionForm( $this );
1636 * action=unprotect handler (alias)
1638 function unprotect() {
1643 * Update the article's restriction field, and leave a log entry.
1645 * @param array $limit set of restriction keys
1646 * @param string $reason
1647 * @return bool true on success
1649 function updateRestrictions( $limit = array(), $reason = '', $cascade = 0, $expiry = null ) {
1650 global $wgUser, $wgRestrictionTypes, $wgContLang;
1652 $id = $this->mTitle
->getArticleID();
1653 if( !$wgUser->isAllowed( 'protect' ) ||
wfReadOnly() ||
$id == 0 ) {
1661 // Take this opportunity to purge out expired restrictions
1662 Title
::purgeExpiredRestrictions();
1664 # FIXME: Same limitations as described in ProtectionForm.php (line 37);
1665 # we expect a single selection, but the schema allows otherwise.
1667 foreach( $wgRestrictionTypes as $action )
1668 $current[$action] = implode( '', $this->mTitle
->getRestrictions( $action ) );
1670 $current = Article
::flattenRestrictions( $current );
1671 $updated = Article
::flattenRestrictions( $limit );
1673 $changed = ( $current != $updated );
1674 $changed = $changed ||
($this->mTitle
->areRestrictionsCascading() != $cascade);
1675 $changed = $changed ||
($this->mTitle
->mRestrictionsExpiry
!= $expiry);
1676 $protect = ( $updated != '' );
1678 # If nothing's changed, do nothing
1680 global $wgGroupPermissions;
1681 if( wfRunHooks( 'ArticleProtect', array( &$this, &$wgUser, $limit, $reason ) ) ) {
1683 $dbw = wfGetDB( DB_MASTER
);
1685 $encodedExpiry = Block
::encodeExpiry($expiry, $dbw );
1687 $expiry_description = '';
1688 if ( $encodedExpiry != 'infinity' ) {
1689 $expiry_description = ' (' . wfMsgForContent( 'protect-expiring', $wgContLang->timeanddate( $expiry ) ).')';
1692 # Prepare a null revision to be added to the history
1693 $comment = $wgContLang->ucfirst( wfMsgForContent( $protect ?
'protectedarticle' : 'unprotectedarticle', $this->mTitle
->getPrefixedText() ) );
1695 foreach( $limit as $action => $restrictions ) {
1696 # Check if the group level required to edit also can protect pages
1697 # Otherwise, people who cannot normally protect can "protect" pages via transclusion
1698 $cascade = ( $cascade && isset($wgGroupPermissions[$restrictions]['protect']) && $wgGroupPermissions[$restrictions]['protect'] );
1701 $cascade_description = '';
1703 $cascade_description = ' ['.wfMsg('protect-summary-cascade').']';
1707 $comment .= ": $reason";
1709 $comment .= " [$updated]";
1710 if ( $expiry_description && $protect )
1711 $comment .= "$expiry_description";
1713 $comment .= "$cascade_description";
1715 $nullRevision = Revision
::newNullRevision( $dbw, $id, $comment, true );
1716 $nullRevId = $nullRevision->insertOn( $dbw );
1718 # Update restrictions table
1719 foreach( $limit as $action => $restrictions ) {
1720 if ($restrictions != '' ) {
1721 $dbw->replace( 'page_restrictions', array(array('pr_page', 'pr_type')),
1722 array( 'pr_page' => $id, 'pr_type' => $action
1723 , 'pr_level' => $restrictions, 'pr_cascade' => $cascade ?
1 : 0
1724 , 'pr_expiry' => $encodedExpiry ), __METHOD__
);
1726 $dbw->delete( 'page_restrictions', array( 'pr_page' => $id,
1727 'pr_type' => $action ), __METHOD__
);
1731 # Update page record
1732 $dbw->update( 'page',
1734 'page_touched' => $dbw->timestamp(),
1735 'page_restrictions' => '',
1736 'page_latest' => $nullRevId
1737 ), array( /* WHERE */
1739 ), 'Article::protect'
1741 wfRunHooks( 'ArticleProtectComplete', array( &$this, &$wgUser, $limit, $reason ) );
1743 # Update the protection log
1744 $log = new LogPage( 'protect' );
1747 $log->addEntry( 'protect', $this->mTitle
, trim( $reason . " [$updated]$cascade_description$expiry_description" ) );
1749 $log->addEntry( 'unprotect', $this->mTitle
, $reason );
1753 } # End "changed" check
1759 * Take an array of page restrictions and flatten it to a string
1760 * suitable for insertion into the page_restrictions field.
1761 * @param array $limit
1765 function flattenRestrictions( $limit ) {
1766 if( !is_array( $limit ) ) {
1767 throw new MWException( 'Article::flattenRestrictions given non-array restriction set' );
1771 foreach( $limit as $action => $restrictions ) {
1772 if( $restrictions != '' ) {
1773 $bits[] = "$action=$restrictions";
1776 return implode( ':', $bits );
1780 * UI entry point for page deletion
1783 global $wgUser, $wgOut, $wgRequest;
1784 $confirm = $wgRequest->wasPosted() &&
1785 $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) );
1786 $reason = $wgRequest->getText( 'wpReason' );
1788 # This code desperately needs to be totally rewritten
1791 if( $wgUser->isAllowed( 'delete' ) ) {
1792 if( $wgUser->isBlocked( !$confirm ) ) {
1793 $wgOut->blockedPage();
1797 $wgOut->permissionRequired( 'delete' );
1801 if( wfReadOnly() ) {
1802 $wgOut->readOnlyPage();
1806 $wgOut->setPagetitle( wfMsg( 'confirmdelete' ) );
1808 # Better double-check that it hasn't been deleted yet!
1809 $dbw = wfGetDB( DB_MASTER
);
1810 $conds = $this->mTitle
->pageCond();
1811 $latest = $dbw->selectField( 'page', 'page_latest', $conds, __METHOD__
);
1812 if ( $latest === false ) {
1813 $wgOut->showFatalError( wfMsg( 'cannotdelete' ) );
1818 $this->doDelete( $reason );
1819 if( $wgRequest->getCheck( 'wpWatch' ) ) {
1821 } elseif( $this->mTitle
->userIsWatching() ) {
1827 # determine whether this page has earlier revisions
1828 # and insert a warning if it does
1830 $authors = $this->getLastNAuthors( $maxRevisions, $latest );
1832 if( count( $authors ) > 1 && !$confirm ) {
1833 $skin=$wgUser->getSkin();
1834 $wgOut->addHTML( '<strong>' . wfMsg( 'historywarning' ) . ' ' . $skin->historyLink() . '</strong>' );
1837 # If a single user is responsible for all revisions, find out who they are
1838 if ( count( $authors ) == $maxRevisions ) {
1839 // Query bailed out, too many revisions to find out if they're all the same
1840 $authorOfAll = false;
1842 $authorOfAll = reset( $authors );
1843 foreach ( $authors as $author ) {
1844 if ( $authorOfAll != $author ) {
1845 $authorOfAll = false;
1850 # Fetch article text
1851 $rev = Revision
::newFromTitle( $this->mTitle
);
1853 if( !is_null( $rev ) ) {
1854 # if this is a mini-text, we can paste part of it into the deletion reason
1855 $text = $rev->getText();
1857 #if this is empty, an earlier revision may contain "useful" text
1860 $prev = $rev->getPrevious();
1862 $text = $prev->getText();
1867 $length = strlen( $text );
1869 # this should not happen, since it is not possible to store an empty, new
1870 # page. Let's insert a standard text in case it does, though
1871 if( $length == 0 && $reason === '' ) {
1872 $reason = wfMsgForContent( 'exblank' );
1875 if( $reason === '' ) {
1876 # comment field=255, let's grep the first 150 to have some user
1879 $text = $wgContLang->truncate( $text, 150, '...' );
1881 # let's strip out newlines
1882 $text = preg_replace( "/[\n\r]/", '', $text );
1885 if( $authorOfAll === false ) {
1886 $reason = wfMsgForContent( 'excontent', $text );
1888 $reason = wfMsgForContent( 'excontentauthor', $text, $authorOfAll );
1891 $reason = wfMsgForContent( 'exbeforeblank', $text );
1896 return $this->confirmDelete( '', $reason );
1900 * Get the last N authors
1901 * @param int $num Number of revisions to get
1902 * @param string $revLatest The latest rev_id, selected from the master (optional)
1903 * @return array Array of authors, duplicates not removed
1905 function getLastNAuthors( $num, $revLatest = 0 ) {
1906 wfProfileIn( __METHOD__
);
1908 // First try the slave
1909 // If that doesn't have the latest revision, try the master
1911 $db = wfGetDB( DB_SLAVE
);
1913 $res = $db->select( array( 'page', 'revision' ),
1914 array( 'rev_id', 'rev_user_text' ),
1916 'page_namespace' => $this->mTitle
->getNamespace(),
1917 'page_title' => $this->mTitle
->getDBkey(),
1918 'rev_page = page_id'
1919 ), __METHOD__
, $this->getSelectOptions( array(
1920 'ORDER BY' => 'rev_timestamp DESC',
1925 wfProfileOut( __METHOD__
);
1928 $row = $db->fetchObject( $res );
1929 if ( $continue == 2 && $revLatest && $row->rev_id
!= $revLatest ) {
1930 $db = wfGetDB( DB_MASTER
);
1935 } while ( $continue );
1937 $authors = array( $row->rev_user_text
);
1938 while ( $row = $db->fetchObject( $res ) ) {
1939 $authors[] = $row->rev_user_text
;
1941 wfProfileOut( __METHOD__
);
1946 * Output deletion confirmation dialog
1948 function confirmDelete( $par, $reason ) {
1949 global $wgOut, $wgUser;
1951 wfDebug( "Article::confirmDelete\n" );
1953 $sub = htmlspecialchars( $this->mTitle
->getPrefixedText() );
1954 $wgOut->setSubtitle( wfMsg( 'deletesub', $sub ) );
1955 $wgOut->setRobotpolicy( 'noindex,nofollow' );
1956 $wgOut->addWikiText( wfMsg( 'confirmdeletetext' ) );
1958 $formaction = $this->mTitle
->escapeLocalURL( 'action=delete' . $par );
1960 $confirm = htmlspecialchars( wfMsg( 'deletepage' ) );
1961 $delcom = htmlspecialchars( wfMsg( 'deletecomment' ) );
1962 $token = htmlspecialchars( $wgUser->editToken() );
1963 $watch = Xml
::checkLabel( wfMsg( 'watchthis' ), 'wpWatch', 'wpWatch', $wgUser->getBoolOption( 'watchdeletion' ) ||
$this->mTitle
->userIsWatching(), array( 'tabindex' => '2' ) );
1966 <form id='deleteconfirm' method='post' action=\"{$formaction}\">
1970 <label for='wpReason'>{$delcom}:</label>
1973 <input type='text' size='60' name='wpReason' id='wpReason' value=\"" . htmlspecialchars( $reason ) . "\" tabindex=\"1\" />
1983 <input type='submit' name='wpConfirmB' id='wpConfirmB' value=\"{$confirm}\" tabindex=\"3\" />
1987 <input type='hidden' name='wpEditToken' value=\"{$token}\" />
1990 $wgOut->returnToMain( false );
1992 $this->showLogExtract( $wgOut );
1997 * Fetch deletion log
1999 function showLogExtract( &$out ) {
2000 # Show relevant lines from the deletion log:
2001 $out->addHTML( "<h2>" . htmlspecialchars( LogPage
::logName( 'delete' ) ) . "</h2>\n" );
2002 $logViewer = new LogViewer(
2005 array( 'page' => $this->mTitle
->getPrefixedText(),
2006 'type' => 'delete' ) ) ) );
2007 $logViewer->showList( $out );
2012 * Perform a deletion and output success or failure messages
2014 function doDelete( $reason ) {
2015 global $wgOut, $wgUser;
2016 wfDebug( __METHOD__
."\n" );
2018 if (wfRunHooks('ArticleDelete', array(&$this, &$wgUser, &$reason))) {
2019 if ( $this->doDeleteArticle( $reason ) ) {
2020 $deleted = wfEscapeWikiText( $this->mTitle
->getPrefixedText() );
2022 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
2023 $wgOut->setRobotpolicy( 'noindex,nofollow' );
2025 $loglink = '[[Special:Log/delete|' . wfMsg( 'deletionlog' ) . ']]';
2026 $text = wfMsg( 'deletedtext', $deleted, $loglink );
2028 $wgOut->addWikiText( $text );
2029 $wgOut->returnToMain( false );
2030 wfRunHooks('ArticleDeleteComplete', array(&$this, &$wgUser, $reason));
2032 $wgOut->showFatalError( wfMsg( 'cannotdelete' ) );
2038 * Back-end article deletion
2039 * Deletes the article with database consistency, writes logs, purges caches
2042 function doDeleteArticle( $reason ) {
2043 global $wgUseSquid, $wgDeferredUpdateList;
2044 global $wgUseTrackbacks;
2046 wfDebug( __METHOD__
."\n" );
2048 $dbw = wfGetDB( DB_MASTER
);
2049 $ns = $this->mTitle
->getNamespace();
2050 $t = $this->mTitle
->getDBkey();
2051 $id = $this->mTitle
->getArticleID();
2053 if ( $t == '' ||
$id == 0 ) {
2057 $u = new SiteStatsUpdate( 0, 1, -(int)$this->isCountable( $this->getContent() ), -1 );
2058 array_push( $wgDeferredUpdateList, $u );
2060 // For now, shunt the revision data into the archive table.
2061 // Text is *not* removed from the text table; bulk storage
2062 // is left intact to avoid breaking block-compression or
2063 // immutable storage schemes.
2065 // For backwards compatibility, note that some older archive
2066 // table entries will have ar_text and ar_flags fields still.
2068 // In the future, we may keep revisions and mark them with
2069 // the rev_deleted field, which is reserved for this purpose.
2070 $dbw->insertSelect( 'archive', array( 'page', 'revision' ),
2072 'ar_namespace' => 'page_namespace',
2073 'ar_title' => 'page_title',
2074 'ar_comment' => 'rev_comment',
2075 'ar_user' => 'rev_user',
2076 'ar_user_text' => 'rev_user_text',
2077 'ar_timestamp' => 'rev_timestamp',
2078 'ar_minor_edit' => 'rev_minor_edit',
2079 'ar_rev_id' => 'rev_id',
2080 'ar_text_id' => 'rev_text_id',
2081 'ar_text' => '\'\'', // Be explicit to appease
2082 'ar_flags' => '\'\'', // MySQL's "strict mode"...
2083 'ar_len' => 'rev_len'
2086 'page_id = rev_page'
2090 # Delete restrictions for it
2091 $dbw->delete( 'page_restrictions', array ( 'pr_page' => $id ), __METHOD__
);
2093 # Now that it's safely backed up, delete it
2094 $dbw->delete( 'page', array( 'page_id' => $id ), __METHOD__
);
2096 # If using cascading deletes, we can skip some explicit deletes
2097 if ( !$dbw->cascadingDeletes() ) {
2099 $dbw->delete( 'revision', array( 'rev_page' => $id ), __METHOD__
);
2101 if ($wgUseTrackbacks)
2102 $dbw->delete( 'trackbacks', array( 'tb_page' => $id ), __METHOD__
);
2104 # Delete outgoing links
2105 $dbw->delete( 'pagelinks', array( 'pl_from' => $id ) );
2106 $dbw->delete( 'imagelinks', array( 'il_from' => $id ) );
2107 $dbw->delete( 'categorylinks', array( 'cl_from' => $id ) );
2108 $dbw->delete( 'templatelinks', array( 'tl_from' => $id ) );
2109 $dbw->delete( 'externallinks', array( 'el_from' => $id ) );
2110 $dbw->delete( 'langlinks', array( 'll_from' => $id ) );
2111 $dbw->delete( 'redirect', array( 'rd_from' => $id ) );
2114 # If using cleanup triggers, we can skip some manual deletes
2115 if ( !$dbw->cleanupTriggers() ) {
2117 # Clean up recentchanges entries...
2118 $dbw->delete( 'recentchanges', array( 'rc_namespace' => $ns, 'rc_title' => $t ), __METHOD__
);
2122 Article
::onArticleDelete( $this->mTitle
);
2125 $log = new LogPage( 'delete' );
2126 $log->addEntry( 'delete', $this->mTitle
, $reason );
2128 # Clear the cached article id so the interface doesn't act like we exist
2129 $this->mTitle
->resetArticleID( 0 );
2130 $this->mTitle
->mArticleID
= 0;
2135 * Revert a modification
2137 function rollback() {
2138 global $wgUser, $wgOut, $wgRequest, $wgUseRCPatrol;
2140 if( $wgUser->isAllowed( 'rollback' ) ) {
2141 if( $wgUser->isBlocked() ) {
2142 $wgOut->blockedPage();
2146 $wgOut->permissionRequired( 'rollback' );
2150 if ( wfReadOnly() ) {
2151 $wgOut->readOnlyPage( $this->getContent() );
2154 if( !$wgUser->matchEditToken( $wgRequest->getVal( 'token' ),
2155 array( $this->mTitle
->getPrefixedText(),
2156 $wgRequest->getVal( 'from' ) ) ) ) {
2157 $wgOut->setPageTitle( wfMsg( 'rollbackfailed' ) );
2158 $wgOut->addWikiText( wfMsg( 'sessionfailure' ) );
2161 $dbw = wfGetDB( DB_MASTER
);
2163 # Enhanced rollback, marks edits rc_bot=1
2164 $bot = $wgRequest->getBool( 'bot' );
2166 # Replace all this user's current edits with the next one down
2168 # Get the last editor
2169 $current = Revision
::newFromTitle( $this->mTitle
);
2170 if( is_null( $current ) ) {
2171 # Something wrong... no page?
2172 $wgOut->addHTML( wfMsg( 'notanarticle' ) );
2176 $from = str_replace( '_', ' ', $wgRequest->getVal( 'from' ) );
2177 if( $from != $current->getUserText() ) {
2178 $wgOut->setPageTitle( wfMsg('rollbackfailed') );
2179 $wgOut->addWikiText( wfMsg( 'alreadyrolled',
2180 htmlspecialchars( $this->mTitle
->getPrefixedText()),
2181 htmlspecialchars( $from ),
2182 htmlspecialchars( $current->getUserText() ) ) );
2183 if( $current->getComment() != '') {
2185 wfMsg( 'editcomment',
2186 $wgUser->getSkin()->formatComment( $current->getComment() ) ) );
2191 # Get the last edit not by this guy
2192 $user = intval( $current->getUser() );
2193 $user_text = $dbw->addQuotes( $current->getUserText() );
2194 $s = $dbw->selectRow( 'revision',
2195 array( 'rev_id', 'rev_timestamp' ),
2197 'rev_page' => $current->getPage(),
2198 "rev_user <> {$user} OR rev_user_text <> {$user_text}"
2201 'USE INDEX' => 'page_timestamp',
2202 'ORDER BY' => 'rev_timestamp DESC' )
2204 if( $s === false ) {
2206 $wgOut->setPageTitle(wfMsg('rollbackfailed'));
2207 $wgOut->addHTML( wfMsg( 'cantrollback' ) );
2213 # Mark all reverted edits as bot
2216 if ( $wgUseRCPatrol ) {
2217 # Mark all reverted edits as patrolled
2218 $set['rc_patrolled'] = 1;
2222 $dbw->update( 'recentchanges', $set,
2224 'rc_cur_id' => $current->getPage(),
2225 'rc_user_text' => $current->getUserText(),
2226 "rc_timestamp > '{$s->rev_timestamp}'",
2231 # Get the edit summary
2232 $target = Revision
::newFromId( $s->rev_id
);
2233 $newComment = wfMsgForContent( 'revertpage', $target->getUserText(), $from );
2234 $newComment = $wgRequest->getText( 'summary', $newComment );
2237 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
2238 $wgOut->setRobotpolicy( 'noindex,nofollow' );
2239 $wgOut->addHTML( '<h2>' . htmlspecialchars( $newComment ) . "</h2>\n<hr />\n" );
2241 $this->updateArticle( $target->getText(), $newComment, 1, $this->mTitle
->userIsWatching(), $bot );
2243 $wgOut->returnToMain( false );
2248 * Do standard deferred updates after page view
2251 function viewUpdates() {
2252 global $wgDeferredUpdateList;
2254 if ( 0 != $this->getID() ) {
2255 global $wgDisableCounters;
2256 if( !$wgDisableCounters ) {
2257 Article
::incViewCount( $this->getID() );
2258 $u = new SiteStatsUpdate( 1, 0, 0 );
2259 array_push( $wgDeferredUpdateList, $u );
2263 # Update newtalk / watchlist notification status
2265 $wgUser->clearNotification( $this->mTitle
);
2269 * Do standard deferred updates after page edit.
2270 * Update links tables, site stats, search index and message cache.
2271 * Every 1000th edit, prune the recent changes table.
2274 * @param $text New text of the article
2275 * @param $summary Edit summary
2276 * @param $minoredit Minor edit
2277 * @param $timestamp_of_pagechange Timestamp associated with the page change
2278 * @param $newid rev_id value of the new revision
2279 * @param $changed Whether or not the content actually changed
2281 function editUpdates( $text, $summary, $minoredit, $timestamp_of_pagechange, $newid, $changed = true ) {
2282 global $wgDeferredUpdateList, $wgMessageCache, $wgUser, $wgParser;
2284 wfProfileIn( __METHOD__
);
2287 $options = new ParserOptions
;
2288 $options->setTidy(true);
2289 $poutput = $wgParser->parse( $text, $this->mTitle
, $options, true, true, $newid );
2291 # Save it to the parser cache
2292 $parserCache =& ParserCache
::singleton();
2293 $parserCache->save( $poutput, $this, $wgUser );
2295 # Update the links tables
2296 $u = new LinksUpdate( $this->mTitle
, $poutput );
2299 if ( wfRunHooks( 'ArticleEditUpdatesDeleteFromRecentchanges', array( &$this ) ) ) {
2301 if ( 0 == mt_rand( 0, 999 ) ) {
2302 # Periodically flush old entries from the recentchanges table.
2305 $dbw = wfGetDB( DB_MASTER
);
2306 $cutoff = $dbw->timestamp( time() - $wgRCMaxAge );
2307 $recentchanges = $dbw->tableName( 'recentchanges' );
2308 $sql = "DELETE FROM $recentchanges WHERE rc_timestamp < '{$cutoff}'";
2309 $dbw->query( $sql );
2313 $id = $this->getID();
2314 $title = $this->mTitle
->getPrefixedDBkey();
2315 $shortTitle = $this->mTitle
->getDBkey();
2318 wfProfileOut( __METHOD__
);
2322 $u = new SiteStatsUpdate( 0, 1, $this->mGoodAdjustment
, $this->mTotalAdjustment
);
2323 array_push( $wgDeferredUpdateList, $u );
2324 $u = new SearchUpdate( $id, $title, $text );
2325 array_push( $wgDeferredUpdateList, $u );
2327 # If this is another user's talk page, update newtalk
2328 # Don't do this if $changed = false otherwise some idiot can null-edit a
2329 # load of user talk pages and piss people off, nor if it's a minor edit
2330 # by a properly-flagged bot.
2331 if( $this->mTitle
->getNamespace() == NS_USER_TALK
&& $shortTitle != $wgUser->getTitleKey() && $changed
2332 && !($minoredit && $wgUser->isAllowed('nominornewtalk') ) ) {
2333 if (wfRunHooks('ArticleEditUpdateNewTalk', array(&$this)) ) {
2334 $other = User
::newFromName( $shortTitle );
2335 if( is_null( $other ) && User
::isIP( $shortTitle ) ) {
2336 // An anonymous user
2337 $other = new User();
2338 $other->setName( $shortTitle );
2341 $other->setNewtalk( true );
2346 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
2347 $wgMessageCache->replace( $shortTitle, $text );
2350 wfProfileOut( __METHOD__
);
2354 * Perform article updates on a special page creation.
2356 * @param Revision $rev
2358 * @todo This is a shitty interface function. Kill it and replace the
2359 * other shitty functions like editUpdates and such so it's not needed
2362 function createUpdates( $rev ) {
2363 $this->mGoodAdjustment
= $this->isCountable( $rev->getText() );
2364 $this->mTotalAdjustment
= 1;
2365 $this->editUpdates( $rev->getText(), $rev->getComment(),
2366 $rev->isMinor(), wfTimestamp(), $rev->getId(), true );
2370 * Generate the navigation links when browsing through an article revisions
2371 * It shows the information as:
2372 * Revision as of \<date\>; view current revision
2373 * \<- Previous version | Next Version -\>
2376 * @param string $oldid Revision ID of this article revision
2378 function setOldSubtitle( $oldid=0 ) {
2379 global $wgLang, $wgOut, $wgUser;
2381 if ( !wfRunHooks( 'DisplayOldSubtitle', array(&$this, &$oldid) ) ) {
2385 $revision = Revision
::newFromId( $oldid );
2387 $current = ( $oldid == $this->mLatest
);
2388 $td = $wgLang->timeanddate( $this->mTimestamp
, true );
2389 $sk = $wgUser->getSkin();
2391 ?
wfMsg( 'currentrevisionlink' )
2392 : $lnk = $sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'currentrevisionlink' ) );
2395 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'diff' ), 'diff=cur&oldid='.$oldid );
2396 $prev = $this->mTitle
->getPreviousRevisionID( $oldid ) ;
2398 ?
$sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'previousrevision' ), 'direction=prev&oldid='.$oldid )
2399 : wfMsg( 'previousrevision' );
2401 ?
$sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'diff' ), 'diff=prev&oldid='.$oldid )
2403 $nextlink = $current
2404 ?
wfMsg( 'nextrevision' )
2405 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'nextrevision' ), 'direction=next&oldid='.$oldid );
2406 $nextdiff = $current
2408 : $sk->makeKnownLinkObj( $this->mTitle
, wfMsg( 'diff' ), 'diff=next&oldid='.$oldid );
2410 $userlinks = $sk->userLink( $revision->getUser(), $revision->getUserText() )
2411 . $sk->userToolLinks( $revision->getUser(), $revision->getUserText() );
2413 $r = "\n\t\t\t\t<div id=\"mw-revision-info\">" . wfMsg( 'revision-info', $td, $userlinks ) . "</div>\n" .
2414 "\n\t\t\t\t<div id=\"mw-revision-nav\">" . wfMsg( 'revision-nav', $prevdiff, $prevlink, $lnk, $curdiff, $nextlink, $nextdiff ) . "</div>\n\t\t\t";
2415 $wgOut->setSubtitle( $r );
2419 * This function is called right before saving the wikitext,
2420 * so we can do things like signatures and links-in-context.
2422 * @param string $text
2424 function preSaveTransform( $text ) {
2425 global $wgParser, $wgUser;
2426 return $wgParser->preSaveTransform( $text, $this->mTitle
, $wgUser, ParserOptions
::newFromUser( $wgUser ) );
2429 /* Caching functions */
2432 * checkLastModified returns true if it has taken care of all
2433 * output to the client that is necessary for this request.
2434 * (that is, it has sent a cached version of the page)
2436 function tryFileCache() {
2437 static $called = false;
2439 wfDebug( "Article::tryFileCache(): called twice!?\n" );
2443 if($this->isFileCacheable()) {
2444 $touched = $this->mTouched
;
2445 $cache = new HTMLFileCache( $this->mTitle
);
2446 if($cache->isFileCacheGood( $touched )) {
2447 wfDebug( "Article::tryFileCache(): about to load file\n" );
2448 $cache->loadFromFileCache();
2451 wfDebug( "Article::tryFileCache(): starting buffer\n" );
2452 ob_start( array(&$cache, 'saveToFileCache' ) );
2455 wfDebug( "Article::tryFileCache(): not cacheable\n" );
2460 * Check if the page can be cached
2463 function isFileCacheable() {
2464 global $wgUser, $wgUseFileCache, $wgShowIPinHeader, $wgRequest, $wgLang, $wgContLang;
2465 $action = $wgRequest->getVal( 'action' );
2466 $oldid = $wgRequest->getVal( 'oldid' );
2467 $diff = $wgRequest->getVal( 'diff' );
2468 $redirect = $wgRequest->getVal( 'redirect' );
2469 $printable = $wgRequest->getVal( 'printable' );
2470 $page = $wgRequest->getVal( 'page' );
2472 //check for non-standard user language; this covers uselang,
2473 //and extensions for auto-detecting user language.
2474 $ulang = $wgLang->getCode();
2475 $clang = $wgContLang->getCode();
2477 $cacheable = $wgUseFileCache
2478 && (!$wgShowIPinHeader)
2479 && ($this->getID() != 0)
2480 && ($wgUser->isAnon())
2481 && (!$wgUser->getNewtalk())
2482 && ($this->mTitle
->getNamespace() != NS_SPECIAL
)
2483 && (empty( $action ) ||
$action == 'view')
2486 && (!isset($redirect))
2487 && (!isset($printable))
2489 && (!$this->mRedirectedFrom
)
2490 && ($ulang === $clang);
2493 //extension may have reason to disable file caching on some pages.
2494 $cacheable = wfRunHooks( 'IsFileCacheable', array( $this ) );
2501 * Loads page_touched and returns a value indicating if it should be used
2504 function checkTouched() {
2505 if( !$this->mDataLoaded
) {
2506 $this->loadPageData();
2508 return !$this->mIsRedirect
;
2512 * Get the page_touched field
2514 function getTouched() {
2515 # Ensure that page data has been loaded
2516 if( !$this->mDataLoaded
) {
2517 $this->loadPageData();
2519 return $this->mTouched
;
2523 * Get the page_latest field
2525 function getLatest() {
2526 if ( !$this->mDataLoaded
) {
2527 $this->loadPageData();
2529 return $this->mLatest
;
2533 * Edit an article without doing all that other stuff
2534 * The article must already exist; link tables etc
2535 * are not updated, caches are not flushed.
2537 * @param string $text text submitted
2538 * @param string $comment comment submitted
2539 * @param bool $minor whereas it's a minor modification
2541 function quickEdit( $text, $comment = '', $minor = 0 ) {
2542 wfProfileIn( __METHOD__
);
2544 $dbw = wfGetDB( DB_MASTER
);
2546 $revision = new Revision( array(
2547 'page' => $this->getId(),
2549 'comment' => $comment,
2550 'minor_edit' => $minor ?
1 : 0,
2552 $revision->insertOn( $dbw );
2553 $this->updateRevisionOn( $dbw, $revision );
2556 wfProfileOut( __METHOD__
);
2560 * Used to increment the view counter
2563 * @param integer $id article id
2565 function incViewCount( $id ) {
2566 $id = intval( $id );
2567 global $wgHitcounterUpdateFreq, $wgDBtype;
2569 $dbw = wfGetDB( DB_MASTER
);
2570 $pageTable = $dbw->tableName( 'page' );
2571 $hitcounterTable = $dbw->tableName( 'hitcounter' );
2572 $acchitsTable = $dbw->tableName( 'acchits' );
2574 if( $wgHitcounterUpdateFreq <= 1 ) {
2575 $dbw->query( "UPDATE $pageTable SET page_counter = page_counter + 1 WHERE page_id = $id" );
2579 # Not important enough to warrant an error page in case of failure
2580 $oldignore = $dbw->ignoreErrors( true );
2582 $dbw->query( "INSERT INTO $hitcounterTable (hc_id) VALUES ({$id})" );
2584 $checkfreq = intval( $wgHitcounterUpdateFreq/25 +
1 );
2585 if( (rand() %
$checkfreq != 0) or ($dbw->lastErrno() != 0) ){
2586 # Most of the time (or on SQL errors), skip row count check
2587 $dbw->ignoreErrors( $oldignore );
2591 $res = $dbw->query("SELECT COUNT(*) as n FROM $hitcounterTable");
2592 $row = $dbw->fetchObject( $res );
2593 $rown = intval( $row->n
);
2594 if( $rown >= $wgHitcounterUpdateFreq ){
2595 wfProfileIn( 'Article::incViewCount-collect' );
2596 $old_user_abort = ignore_user_abort( true );
2598 if ($wgDBtype == 'mysql')
2599 $dbw->query("LOCK TABLES $hitcounterTable WRITE");
2600 $tabletype = $wgDBtype == 'mysql' ?
"ENGINE=HEAP " : '';
2601 $dbw->query("CREATE TEMPORARY TABLE $acchitsTable $tabletype AS ".
2602 "SELECT hc_id,COUNT(*) AS hc_n FROM $hitcounterTable ".
2604 $dbw->query("DELETE FROM $hitcounterTable");
2605 if ($wgDBtype == 'mysql') {
2606 $dbw->query('UNLOCK TABLES');
2607 $dbw->query("UPDATE $pageTable,$acchitsTable SET page_counter=page_counter + hc_n ".
2608 'WHERE page_id = hc_id');
2611 $dbw->query("UPDATE $pageTable SET page_counter=page_counter + hc_n ".
2612 "FROM $acchitsTable WHERE page_id = hc_id");
2614 $dbw->query("DROP TABLE $acchitsTable");
2616 ignore_user_abort( $old_user_abort );
2617 wfProfileOut( 'Article::incViewCount-collect' );
2619 $dbw->ignoreErrors( $oldignore );
2623 * The onArticle*() functions are supposed to be a kind of hooks
2624 * which should be called whenever any of the specified actions
2627 * This is a good place to put code to clear caches, for instance.
2629 * This is called on page move and undelete, as well as edit
2631 * @param $title_obj a title object
2634 static function onArticleCreate($title) {
2635 # The talk page isn't in the regular link tables, so we need to update manually:
2636 if ( $title->isTalkPage() ) {
2637 $other = $title->getSubjectPage();
2639 $other = $title->getTalkPage();
2641 $other->invalidateCache();
2642 $other->purgeSquid();
2644 $title->touchLinks();
2645 $title->purgeSquid();
2648 static function onArticleDelete( $title ) {
2649 global $wgUseFileCache, $wgMessageCache;
2651 $title->touchLinks();
2652 $title->purgeSquid();
2655 if ( $wgUseFileCache ) {
2656 $cm = new HTMLFileCache( $title );
2657 @unlink
( $cm->fileCacheName() );
2660 if( $title->getNamespace() == NS_MEDIAWIKI
) {
2661 $wgMessageCache->replace( $title->getDBkey(), false );
2666 * Purge caches on page update etc
2668 static function onArticleEdit( $title ) {
2669 global $wgDeferredUpdateList, $wgUseFileCache;
2671 // Invalidate caches of articles which include this page
2672 $update = new HTMLCacheUpdate( $title, 'templatelinks' );
2673 $wgDeferredUpdateList[] = $update;
2675 # Purge squid for this page only
2676 $title->purgeSquid();
2679 if ( $wgUseFileCache ) {
2680 $cm = new HTMLFileCache( $title );
2681 @unlink
( $cm->fileCacheName() );
2688 * Info about this page
2689 * Called for ?action=info when $wgAllowPageInfo is on.
2694 global $wgLang, $wgOut, $wgAllowPageInfo, $wgUser;
2696 if ( !$wgAllowPageInfo ) {
2697 $wgOut->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
2701 $page = $this->mTitle
->getSubjectPage();
2703 $wgOut->setPagetitle( $page->getPrefixedText() );
2704 $wgOut->setSubtitle( wfMsg( 'infosubtitle' ));
2706 # first, see if the page exists at all.
2707 $exists = $page->getArticleId() != 0;
2709 if ( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
2710 $wgOut->addHTML(wfMsgWeirdKey ( $this->mTitle
->getText() ) );
2712 $wgOut->addHTML(wfMsg( $wgUser->isLoggedIn() ?
'noarticletext' : 'noarticletextanon' ) );
2715 $dbr = wfGetDB( DB_SLAVE
);
2717 'wl_title' => $page->getDBkey(),
2718 'wl_namespace' => $page->getNamespace() );
2719 $numwatchers = $dbr->selectField(
2724 $this->getSelectOptions() );
2726 $pageInfo = $this->pageCountInfo( $page );
2727 $talkInfo = $this->pageCountInfo( $page->getTalkPage() );
2729 $wgOut->addHTML( "<ul><li>" . wfMsg("numwatchers", $wgLang->formatNum( $numwatchers ) ) . '</li>' );
2730 $wgOut->addHTML( "<li>" . wfMsg('numedits', $wgLang->formatNum( $pageInfo['edits'] ) ) . '</li>');
2732 $wgOut->addHTML( '<li>' . wfMsg("numtalkedits", $wgLang->formatNum( $talkInfo['edits'] ) ) . '</li>');
2734 $wgOut->addHTML( '<li>' . wfMsg("numauthors", $wgLang->formatNum( $pageInfo['authors'] ) ) . '</li>' );
2736 $wgOut->addHTML( '<li>' . wfMsg('numtalkauthors', $wgLang->formatNum( $talkInfo['authors'] ) ) . '</li>' );
2738 $wgOut->addHTML( '</ul>' );
2744 * Return the total number of edits and number of unique editors
2745 * on a given page. If page does not exist, returns false.
2747 * @param Title $title
2751 function pageCountInfo( $title ) {
2752 $id = $title->getArticleId();
2757 $dbr = wfGetDB( DB_SLAVE
);
2759 $rev_clause = array( 'rev_page' => $id );
2761 $edits = $dbr->selectField(
2766 $this->getSelectOptions() );
2768 $authors = $dbr->selectField(
2770 'COUNT(DISTINCT rev_user_text)',
2773 $this->getSelectOptions() );
2775 return array( 'edits' => $edits, 'authors' => $authors );
2779 * Return a list of templates used by this article.
2780 * Uses the templatelinks table
2782 * @return array Array of Title objects
2784 function getUsedTemplates() {
2786 $id = $this->mTitle
->getArticleID();
2791 $dbr = wfGetDB( DB_SLAVE
);
2792 $res = $dbr->select( array( 'templatelinks' ),
2793 array( 'tl_namespace', 'tl_title' ),
2794 array( 'tl_from' => $id ),
2795 'Article:getUsedTemplates' );
2796 if ( false !== $res ) {
2797 if ( $dbr->numRows( $res ) ) {
2798 while ( $row = $dbr->fetchObject( $res ) ) {
2799 $result[] = Title
::makeTitle( $row->tl_namespace
, $row->tl_title
);
2803 $dbr->freeResult( $res );
2808 * Return an auto-generated summary if the text provided is a redirect.
2810 * @param string $text The wikitext to check
2811 * @return string '' or an appropriate summary
2813 public static function getRedirectAutosummary( $text ) {
2814 $rt = Title
::newFromRedirect( $text );
2815 if( is_object( $rt ) )
2816 return wfMsgForContent( 'autoredircomment', $rt->getFullText() );
2822 * Return an auto-generated summary if the new text is much shorter than
2825 * @param string $oldtext The previous text of the page
2826 * @param string $text The submitted text of the page
2827 * @return string An appropriate autosummary, or an empty string.
2829 public static function getBlankingAutosummary( $oldtext, $text ) {
2830 if ($oldtext!='' && $text=='') {
2831 return wfMsgForContent('autosumm-blank');
2832 } elseif (strlen($oldtext) > 10 * strlen($text) && strlen($text) < 500) {
2833 #Removing more than 90% of the article
2835 $truncatedtext = $wgContLang->truncate($text, max(0, 200 - strlen(wfMsgForContent('autosumm-replace'))), '...');
2836 return wfMsgForContent('autosumm-replace', $truncatedtext);
2843 * Return an applicable autosummary if one exists for the given edit.
2844 * @param string $oldtext The previous text of the page.
2845 * @param string $newtext The submitted text of the page.
2846 * @param bitmask $flags A bitmask of flags submitted for the edit.
2847 * @return string An appropriate autosummary, or an empty string.
2849 public static function getAutosummary( $oldtext, $newtext, $flags ) {
2851 # This code is UGLY UGLY UGLY.
2852 # Somebody PLEASE come up with a more elegant way to do it.
2854 #Redirect autosummaries
2855 $summary = self
::getRedirectAutosummary( $newtext );
2860 #Blanking autosummaries
2861 if (!($flags & EDIT_NEW
))
2862 $summary = self
::getBlankingAutosummary( $oldtext, $newtext );
2867 #New page autosummaries
2868 if ($flags & EDIT_NEW
&& strlen($newtext)) {
2869 #If they're making a new article, give its text, truncated, in the summary.
2871 $truncatedtext = $wgContLang->truncate(
2872 str_replace("\n", ' ', $newtext),
2873 max( 0, 200 - strlen( wfMsgForContent( 'autosumm-new') ) ),
2875 $summary = wfMsgForContent( 'autosumm-new', $truncatedtext );
2885 * Add the primary page-view wikitext to the output buffer
2886 * Saves the text into the parser cache if possible.
2887 * Updates templatelinks if it is out of date.
2889 * @param string $text
2890 * @param bool $cache
2892 public function outputWikiText( $text, $cache = true ) {
2893 global $wgParser, $wgUser, $wgOut;
2895 $popts = $wgOut->parserOptions();
2896 $popts->setTidy(true);
2897 $parserOutput = $wgParser->parse( $text, $this->mTitle
,
2898 $popts, true, true, $this->getRevIdFetched() );
2899 $popts->setTidy(false);
2900 if ( $cache && $this && $parserOutput->getCacheTime() != -1 ) {
2901 $parserCache =& ParserCache
::singleton();
2902 $parserCache->save( $parserOutput, $this, $wgUser );
2905 if ( !wfReadOnly() && $this->mTitle
->areRestrictionsCascading() ) {
2906 // templatelinks table may have become out of sync,
2907 // especially if using variable-based transclusions.
2908 // For paranoia, check if things have changed and if
2909 // so apply updates to the database. This will ensure
2910 // that cascaded protections apply as soon as the changes
2913 # Get templates from templatelinks
2914 $id = $this->mTitle
->getArticleID();
2916 $tlTemplates = array();
2918 $dbr = wfGetDB( DB_SLAVE
);
2919 $res = $dbr->select( array( 'templatelinks' ),
2920 array( 'tl_namespace', 'tl_title' ),
2921 array( 'tl_from' => $id ),
2922 'Article:getUsedTemplates' );
2926 if ( false !== $res ) {
2927 if ( $dbr->numRows( $res ) ) {
2928 while ( $row = $dbr->fetchObject( $res ) ) {
2929 $tlTemplates[] = $wgContLang->getNsText( $row->tl_namespace
) . ':' . $row->tl_title
;
2934 # Get templates from parser output.
2935 $poTemplates_allns = $parserOutput->getTemplates();
2937 $poTemplates = array ();
2938 foreach ( $poTemplates_allns as $ns_templates ) {
2939 $poTemplates = array_merge( $poTemplates, $ns_templates );
2943 $templates_diff = array_diff( $poTemplates, $tlTemplates );
2945 if ( count( $templates_diff ) > 0 ) {
2946 # Whee, link updates time.
2947 $u = new LinksUpdate( $this->mTitle
, $parserOutput );
2949 $dbw = wfGetDb( DB_MASTER
);
2958 $wgOut->addParserOutput( $parserOutput );