8 * Class representing a MediaWiki article and history.
10 * See design.txt for an overview.
11 * Note: edit user interface and cache support functions have been
12 * moved to separate EditPage and HTMLFileCache classes.
19 var $mComment = ''; //!<
21 var $mContentLoaded = false; //!<
22 var $mCounter = -1; //!< Not loaded
23 var $mCurID = -1; //!< Not loaded
24 var $mDataLoaded = false; //!<
25 var $mForUpdate = false; //!<
26 var $mGoodAdjustment = 0; //!<
27 var $mIsRedirect = false; //!<
28 var $mLatest = false; //!<
31 var $mPreparedEdit = false; //!< Title object if set
32 var $mRedirectedFrom = null; //!< Title object if set
33 var $mRedirectTarget = null; //!< Title object if set
34 var $mRedirectUrl = false; //!<
35 var $mRevIdFetched = 0; //!<
37 var $mTimestamp = ''; //!<
39 var $mTotalAdjustment = 0; //!<
40 var $mTouched = '19700101000000'; //!<
41 var $mUser = -1; //!< Not loaded
42 var $mUserText = ''; //!<
43 var $mParserOptions; //!<
44 var $mParserOutput; //!<
48 * Constructor and clear the article
49 * @param $title Reference to a Title object.
50 * @param $oldId Integer revision ID, null to fetch from request, zero for current
52 public function __construct( Title
$title, $oldId = null ) {
53 $this->mTitle
=& $title;
54 $this->mOldId
= $oldId;
58 * Constructor from an article article
59 * @param $id The article ID to load
61 public static function newFromID( $id ) {
62 $t = Title
::newFromID( $id );
63 # FIXME: doesn't inherit right
64 return $t == null ?
null : new self( $t );
65 #return $t == null ? null : new static( $t ); // PHP 5.3
69 * Tell the page view functions that this view was redirected
70 * from another page on the wiki.
71 * @param $from Title object.
73 public function setRedirectedFrom( $from ) {
74 $this->mRedirectedFrom
= $from;
78 * If this page is a redirect, get its target
80 * The target will be fetched from the redirect table if possible.
81 * If this page doesn't have an entry there, call insertRedirect()
82 * @return mixed Title object, or null if this page is not a redirect
84 public function getRedirectTarget() {
85 if( !$this->mTitle ||
!$this->mTitle
->isRedirect() )
87 if( !is_null($this->mRedirectTarget
) )
88 return $this->mRedirectTarget
;
89 # Query the redirect table
90 $dbr = wfGetDB( DB_SLAVE
);
91 $row = $dbr->selectRow( 'redirect',
92 array('rd_namespace', 'rd_title'),
93 array('rd_from' => $this->getID() ),
97 return $this->mRedirectTarget
= Title
::makeTitle($row->rd_namespace
, $row->rd_title
);
99 # This page doesn't have an entry in the redirect table
100 return $this->mRedirectTarget
= $this->insertRedirect();
104 * Insert an entry for this page into the redirect table.
106 * Don't call this function directly unless you know what you're doing.
107 * @return Title object
109 public function insertRedirect() {
110 $retval = Title
::newFromRedirect( $this->getContent() );
114 $dbw = wfGetDB( DB_MASTER
);
115 $dbw->replace( 'redirect', array('rd_from'),
117 'rd_from' => $this->getID(),
118 'rd_namespace' => $retval->getNamespace(),
119 'rd_title' => $retval->getDBkey()
127 * Get the Title object this page redirects to
129 * @return mixed false, Title of in-wiki target, or string with URL
131 public function followRedirect() {
132 $text = $this->getContent();
133 return $this->followRedirectText( $text );
137 * Get the Title object this text redirects to
139 * @return mixed false, Title of in-wiki target, or string with URL
141 public function followRedirectText( $text ) {
142 $rt = Title
::newFromRedirectRecurse( $text ); // recurse through to only get the final target
143 # process if title object is valid and not special:userlogout
145 if( $rt->getInterwiki() != '' ) {
146 if( $rt->isLocal() ) {
147 // Offsite wikis need an HTTP redirect.
149 // This can be hard to reverse and may produce loops,
150 // so they may be disabled in the site configuration.
151 $source = $this->mTitle
->getFullURL( 'redirect=no' );
152 return $rt->getFullURL( 'rdfrom=' . urlencode( $source ) );
155 if( $rt->getNamespace() == NS_SPECIAL
) {
156 // Gotta handle redirects to special pages differently:
157 // Fill the HTTP response "Location" header and ignore
158 // the rest of the page we're on.
160 // This can be hard to reverse, so they may be disabled.
161 if( $rt->isSpecial( 'Userlogout' ) ) {
164 return $rt->getFullURL();
170 // No or invalid redirect
175 * get the title object of the article
177 public function getTitle() {
178 return $this->mTitle
;
185 public function clear() {
186 $this->mDataLoaded
= false;
187 $this->mContentLoaded
= false;
189 $this->mCurID
= $this->mUser
= $this->mCounter
= -1; # Not loaded
190 $this->mRedirectedFrom
= null; # Title object if set
191 $this->mRedirectTarget
= null; # Title object if set
193 $this->mTimestamp
= $this->mComment
= '';
194 $this->mGoodAdjustment
= $this->mTotalAdjustment
= 0;
195 $this->mTouched
= '19700101000000';
196 $this->mForUpdate
= false;
197 $this->mIsRedirect
= false;
198 $this->mRevIdFetched
= 0;
199 $this->mRedirectUrl
= false;
200 $this->mLatest
= false;
201 $this->mPreparedEdit
= false;
205 * Note that getContent/loadContent do not follow redirects anymore.
206 * If you need to fetch redirectable content easily, try
207 * the shortcut in Article::followContent()
209 * @return Return the text of this revision
211 public function getContent() {
212 global $wgUser, $wgContLang, $wgOut, $wgMessageCache;
213 wfProfileIn( __METHOD__
);
214 if( $this->getID() === 0 ) {
215 # If this is a MediaWiki:x message, then load the messages
216 # and return the message value for x.
217 if( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
218 # If this is a system message, get the default text.
219 list( $message, $lang ) = $wgMessageCache->figureMessage( $wgContLang->lcfirst( $this->mTitle
->getText() ) );
220 $wgMessageCache->loadAllMessages( $lang );
221 $text = wfMsgGetKey( $message, false, $lang, false );
222 if( wfEmptyMsg( $message, $text ) )
225 $text = wfMsgExt( $wgUser->isLoggedIn() ?
'noarticletext' : 'noarticletextanon', 'parsemag' );
227 wfProfileOut( __METHOD__
);
230 $this->loadContent();
231 wfProfileOut( __METHOD__
);
232 return $this->mContent
;
237 * Get the text of the current revision. No side-effects...
239 * @return Return the text of the current revision
241 public function getRawText() {
242 // Check process cache for current revision
243 if( $this->mContentLoaded
&& $this->mOldId
== 0 ) {
244 return $this->mContent
;
246 $rev = Revision
::newFromTitle( $this->mTitle
);
247 $text = $rev ?
$rev->getRawText() : false;
252 * This function returns the text of a section, specified by a number ($section).
253 * A section is text under a heading like == Heading == or \<h1\>Heading\</h1\>, or
254 * the first section before any such heading (section 0).
256 * If a section contains subsections, these are also returned.
258 * @param $text String: text to look in
259 * @param $section Integer: section number
260 * @return string text of the requested section
263 public function getSection( $text, $section ) {
265 return $wgParser->getSection( $text, $section );
269 * Get the text that needs to be saved in order to undo all revisions
270 * between $undo and $undoafter. Revisions must belong to the same page,
271 * must exist and must not be deleted
272 * @param $undo Revision
273 * @param $undoafter Revision Must be an earlier revision than $undo
274 * @return mixed string on success, false on failure
276 public function getUndoText( Revision
$undo, Revision
$undoafter = null ) {
277 $undo_text = $undo->getText();
278 $undoafter_text = $undoafter->getText();
279 $cur_text = $this->getContent();
280 if ( $cur_text == $undo_text ) {
281 # No use doing a merge if it's just a straight revert.
282 return $undoafter_text;
285 if ( !wfMerge( $undo_text, $undoafter_text, $cur_text, $undone_text ) )
291 * @return int The oldid of the article that is to be shown, 0 for the
294 public function getOldID() {
295 if( is_null( $this->mOldId
) ) {
296 $this->mOldId
= $this->getOldIDFromRequest();
298 return $this->mOldId
;
302 * Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect
304 * @return int The old id for the request
306 public function getOldIDFromRequest() {
308 $this->mRedirectUrl
= false;
309 $oldid = $wgRequest->getVal( 'oldid' );
310 if( isset( $oldid ) ) {
311 $oldid = intval( $oldid );
312 if( $wgRequest->getVal( 'direction' ) == 'next' ) {
313 $nextid = $this->mTitle
->getNextRevisionID( $oldid );
317 $this->mRedirectUrl
= $this->mTitle
->getFullURL( 'redirect=no' );
319 } elseif( $wgRequest->getVal( 'direction' ) == 'prev' ) {
320 $previd = $this->mTitle
->getPreviousRevisionID( $oldid );
333 * Load the revision (including text) into this object
335 function loadContent() {
336 if( $this->mContentLoaded
) return;
337 wfProfileIn( __METHOD__
);
339 $oldid = $this->getOldID();
340 # Pre-fill content with error message so that if something
341 # fails we'll have something telling us what we intended.
342 $this->mOldId
= $oldid;
343 $this->fetchContent( $oldid );
344 wfProfileOut( __METHOD__
);
349 * Fetch a page record with the given conditions
350 * @param $dbr Database object
351 * @param $conditions Array
353 protected function pageData( $dbr, $conditions ) {
367 wfRunHooks( 'ArticlePageDataBefore', array( &$this, &$fields ) );
368 $row = $dbr->selectRow(
374 wfRunHooks( 'ArticlePageDataAfter', array( &$this, &$row ) );
379 * @param $dbr Database object
380 * @param $title Title object
382 public function pageDataFromTitle( $dbr, $title ) {
383 return $this->pageData( $dbr, array(
384 'page_namespace' => $title->getNamespace(),
385 'page_title' => $title->getDBkey() ) );
389 * @param $dbr Database
392 protected function pageDataFromId( $dbr, $id ) {
393 return $this->pageData( $dbr, array( 'page_id' => $id ) );
397 * Set the general counter, title etc data loaded from
400 * @param $data Database row object or "fromdb"
402 public function loadPageData( $data = 'fromdb' ) {
403 if( $data === 'fromdb' ) {
404 $dbr = wfGetDB( DB_MASTER
);
405 $data = $this->pageDataFromId( $dbr, $this->getId() );
408 $lc = LinkCache
::singleton();
410 $lc->addGoodLinkObj( $data->page_id
, $this->mTitle
, $data->page_len
, $data->page_is_redirect
);
412 $this->mTitle
->mArticleID
= intval( $data->page_id
);
414 # Old-fashioned restrictions
415 $this->mTitle
->loadRestrictions( $data->page_restrictions
);
417 $this->mCounter
= intval( $data->page_counter
);
418 $this->mTouched
= wfTimestamp( TS_MW
, $data->page_touched
);
419 $this->mIsRedirect
= intval( $data->page_is_redirect
);
420 $this->mLatest
= intval( $data->page_latest
);
422 if( is_object( $this->mTitle
) ) {
423 $lc->addBadLinkObj( $this->mTitle
);
425 $this->mTitle
->mArticleID
= 0;
428 $this->mDataLoaded
= true;
432 * Get text of an article from database
433 * Does *NOT* follow redirects.
434 * @param $oldid Int: 0 for whatever the latest revision is
437 function fetchContent( $oldid = 0 ) {
438 if( $this->mContentLoaded
) {
439 return $this->mContent
;
442 $dbr = wfGetDB( DB_MASTER
);
444 # Pre-fill content with error message so that if something
445 # fails we'll have something telling us what we intended.
446 $t = $this->mTitle
->getPrefixedText();
447 $d = $oldid ?
wfMsgExt( 'missingarticle-rev', array( 'escape' ), $oldid ) : '';
448 $this->mContent
= wfMsgNoTrans( 'missing-article', $t, $d ) ;
451 $revision = Revision
::newFromId( $oldid );
452 if( is_null( $revision ) ) {
453 wfDebug( __METHOD__
." failed to retrieve specified revision, id $oldid\n" );
456 $data = $this->pageDataFromId( $dbr, $revision->getPage() );
458 wfDebug( __METHOD__
." failed to get page data linked to revision id $oldid\n" );
461 $this->mTitle
= Title
::makeTitle( $data->page_namespace
, $data->page_title
);
462 $this->loadPageData( $data );
464 if( !$this->mDataLoaded
) {
465 $data = $this->pageDataFromTitle( $dbr, $this->mTitle
);
467 wfDebug( __METHOD__
." failed to find page data for title " . $this->mTitle
->getPrefixedText() . "\n" );
470 $this->loadPageData( $data );
472 $revision = Revision
::newFromId( $this->mLatest
);
473 if( is_null( $revision ) ) {
474 wfDebug( __METHOD__
." failed to retrieve current page, rev_id {$this->mLatest}\n" );
479 // FIXME: Horrible, horrible! This content-loading interface just plain sucks.
480 // We should instead work with the Revision object when we need it...
481 $this->mContent
= $revision->getText( Revision
::FOR_THIS_USER
); // Loads if user is allowed
483 $this->mUser
= $revision->getUser();
484 $this->mUserText
= $revision->getUserText();
485 $this->mComment
= $revision->getComment();
486 $this->mTimestamp
= wfTimestamp( TS_MW
, $revision->getTimestamp() );
488 $this->mRevIdFetched
= $revision->getId();
489 $this->mContentLoaded
= true;
490 $this->mRevision
=& $revision;
492 wfRunHooks( 'ArticleAfterFetchContent', array( &$this, &$this->mContent
) ) ;
494 return $this->mContent
;
498 * Read/write accessor to select FOR UPDATE
500 * @param $x Mixed: FIXME
502 public function forUpdate( $x = null ) {
503 return wfSetVar( $this->mForUpdate
, $x );
507 * Get the database which should be used for reads
510 * @deprecated - just call wfGetDB( DB_MASTER ) instead
513 wfDeprecated( __METHOD__
);
514 return wfGetDB( DB_MASTER
);
518 * Get options for all SELECT statements
520 * @param $options Array: an optional options array which'll be appended to
522 * @return Array: options
524 protected function getSelectOptions( $options = '' ) {
525 if( $this->mForUpdate
) {
526 if( is_array( $options ) ) {
527 $options[] = 'FOR UPDATE';
529 $options = 'FOR UPDATE';
536 * @return int Page ID
538 public function getID() {
539 if( $this->mTitle
) {
540 return $this->mTitle
->getArticleID();
547 * @return bool Whether or not the page exists in the database
549 public function exists() {
550 return $this->getId() > 0;
554 * Check if this page is something we're going to be showing
555 * some sort of sensible content for. If we return false, page
556 * views (plain action=view) will return an HTTP 404 response,
557 * so spiders and robots can know they're following a bad link.
561 public function hasViewableContent() {
562 return $this->exists() ||
$this->mTitle
->isAlwaysKnown();
566 * @return int The view count for the page
568 public function getCount() {
569 if( -1 == $this->mCounter
) {
570 $id = $this->getID();
574 $dbr = wfGetDB( DB_SLAVE
);
575 $this->mCounter
= $dbr->selectField( 'page',
577 array( 'page_id' => $id ),
579 $this->getSelectOptions()
583 return $this->mCounter
;
587 * Determine whether a page would be suitable for being counted as an
588 * article in the site_stats table based on the title & its content
590 * @param $text String: text to analyze
593 public function isCountable( $text ) {
594 global $wgUseCommaCount;
596 $token = $wgUseCommaCount ?
',' : '[[';
597 return $this->mTitle
->isContentPage() && !$this->isRedirect($text) && in_string($token,$text);
601 * Tests if the article text represents a redirect
603 * @param $text String: FIXME
606 public function isRedirect( $text = false ) {
607 if( $text === false ) {
608 if( $this->mDataLoaded
) {
609 return $this->mIsRedirect
;
611 // Apparently loadPageData was never called
612 $this->loadContent();
613 $titleObj = Title
::newFromRedirectRecurse( $this->fetchContent() );
615 $titleObj = Title
::newFromRedirect( $text );
617 return $titleObj !== null;
621 * Returns true if the currently-referenced revision is the current edit
622 * to this page (and it exists).
625 public function isCurrent() {
626 # If no oldid, this is the current version.
627 if( $this->getOldID() == 0 ) {
630 return $this->exists() && isset($this->mRevision
) && $this->mRevision
->isCurrent();
634 * Loads everything except the text
635 * This isn't necessary for all uses, so it's only done if needed.
637 protected function loadLastEdit() {
638 if( -1 != $this->mUser
)
641 # New or non-existent articles have no user information
642 $id = $this->getID();
643 if( 0 == $id ) return;
645 $this->mLastRevision
= Revision
::loadFromPageId( wfGetDB( DB_MASTER
), $id );
646 if( !is_null( $this->mLastRevision
) ) {
647 $this->mUser
= $this->mLastRevision
->getUser();
648 $this->mUserText
= $this->mLastRevision
->getUserText();
649 $this->mTimestamp
= $this->mLastRevision
->getTimestamp();
650 $this->mComment
= $this->mLastRevision
->getComment();
651 $this->mMinorEdit
= $this->mLastRevision
->isMinor();
652 $this->mRevIdFetched
= $this->mLastRevision
->getId();
656 public function getTimestamp() {
657 // Check if the field has been filled by ParserCache::get()
658 if( !$this->mTimestamp
) {
659 $this->loadLastEdit();
661 return wfTimestamp(TS_MW
, $this->mTimestamp
);
664 public function getUser() {
665 $this->loadLastEdit();
669 public function getUserText() {
670 $this->loadLastEdit();
671 return $this->mUserText
;
674 public function getComment() {
675 $this->loadLastEdit();
676 return $this->mComment
;
679 public function getMinorEdit() {
680 $this->loadLastEdit();
681 return $this->mMinorEdit
;
684 /* Use this to fetch the rev ID used on page views */
685 public function getRevIdFetched() {
686 $this->loadLastEdit();
687 return $this->mRevIdFetched
;
691 * @param $limit Integer: default 0.
692 * @param $offset Integer: default 0.
694 public function getContributors($limit = 0, $offset = 0) {
695 # XXX: this is expensive; cache this info somewhere.
697 $dbr = wfGetDB( DB_SLAVE
);
698 $revTable = $dbr->tableName( 'revision' );
699 $userTable = $dbr->tableName( 'user' );
701 $pageId = $this->getId();
703 $user = $this->getUser();
705 $excludeCond = "AND rev_user != $user";
707 $userText = $dbr->addQuotes( $this->getUserText() );
708 $excludeCond = "AND rev_user_text != $userText";
711 $deletedBit = $dbr->bitAnd( 'rev_deleted', Revision
::DELETED_USER
); // username hidden?
713 $sql = "SELECT {$userTable}.*, rev_user_text as user_name, MAX(rev_timestamp) as timestamp
714 FROM $revTable LEFT JOIN $userTable ON rev_user = user_id
715 WHERE rev_page = $pageId
718 GROUP BY rev_user, rev_user_text
719 ORDER BY timestamp DESC";
722 $sql = $dbr->limitResult( $sql, $limit, $offset );
724 $sql .= ' ' . $this->getSelectOptions();
725 $res = $dbr->query( $sql, __METHOD__
);
727 return new UserArrayFromResult( $res );
731 * This is the default action of the index.php entry point: just view the
732 * page of the given title.
734 public function view() {
735 global $wgUser, $wgOut, $wgRequest, $wgContLang;
736 global $wgEnableParserCache, $wgStylePath, $wgParser;
737 global $wgUseTrackbacks, $wgUseFileCache;
739 wfProfileIn( __METHOD__
);
741 # Get variables from query string
742 $oldid = $this->getOldID();
743 $parserCache = ParserCache
::singleton();
745 $parserOptions = clone $this->getParserOptions();
746 # Render printable version, use printable version cache
747 if ( $wgOut->isPrintable() ) {
748 $parserOptions->setIsPrintable( true );
751 # Try client and file cache
752 if( $oldid === 0 && $this->checkTouched() ) {
755 $wgOut->setETag( $parserCache->getETag( $this, $parserOptions ) );
757 # Is is client cached?
758 if( $wgOut->checkLastModified( $this->getTouched() ) ) {
759 wfDebug( __METHOD__
.": done 304\n" );
760 wfProfileOut( __METHOD__
);
763 } else if( $wgUseFileCache && $this->tryFileCache() ) {
764 wfDebug( __METHOD__
.": done file cache\n" );
765 # tell wgOut that output is taken care of
767 $this->viewUpdates();
768 wfProfileOut( __METHOD__
);
773 $sk = $wgUser->getSkin();
775 # getOldID may want us to redirect somewhere else
776 if( $this->mRedirectUrl
) {
777 $wgOut->redirect( $this->mRedirectUrl
);
778 wfDebug( __METHOD__
.": redirecting due to oldid\n" );
779 wfProfileOut( __METHOD__
);
783 $wgOut->setArticleFlag( true );
784 # Set page title (may be overridden by DISPLAYTITLE)
785 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
787 # If we got diff in the query, we want to see a diff page instead of the article.
788 if( !is_null( $wgRequest->getVal( 'diff' ) ) ) {
789 wfDebug( __METHOD__
.": showing diff page\n" );
790 $this->showDiffPage();
791 wfProfileOut( __METHOD__
);
795 # Should the parser cache be used?
796 $useParserCache = $this->useParserCache( $oldid );
797 wfDebug( 'Article::view using parser cache: ' . ($useParserCache ?
'yes' : 'no' ) . "\n" );
798 if( $wgUser->getOption( 'stubthreshold' ) ) {
799 wfIncrStats( 'pcache_miss_stub' );
802 # For the main page, overwrite the <title> element with the con-
803 # tents of 'pagetitle-view-mainpage' instead of the default (if
805 if( $this->mTitle
->equals( Title
::newMainPage() )
806 && ($m=wfMsgForContent( 'pagetitle-view-mainpage' )) !== '' )
808 $wgOut->setHTMLTitle( $m );
811 $wasRedirected = $this->showRedirectedFromHeader();
812 $this->showNamespaceHeader();
814 # Iterate through the possible ways of constructing the output text.
815 # Keep going until $outputDone is set, or we run out of things to do.
818 while( !$outputDone && ++
$pass ){
821 wfRunHooks( 'ArticleViewHeader', array( &$this, &$outputDone, &$useParserCache ) );
825 # Try the parser cache
826 if( $useParserCache ) {
827 $this->mParserOutput
= $parserCache->get( $this, $parserOptions );
828 if ( $this->mParserOutput
!== false ) {
829 wfDebug( __METHOD__
.": showing parser cache contents\n" );
830 $wgOut->addParserOutput( $this->mParserOutput
);
831 # Ensure that UI elements requiring revision ID have
832 # the correct version information.
833 $wgOut->setRevisionId( $this->mLatest
);
840 $text = $this->getContent();
841 if( $text === false ||
$this->getID() == 0 ) {
842 wfDebug( __METHOD__
.": showing missing article\n" );
843 $this->showMissingArticle();
844 wfProfileOut( __METHOD__
);
848 # Another whitelist check in case oldid is altering the title
849 if( !$this->mTitle
->userCanRead() ) {
850 wfDebug( __METHOD__
.": denied on secondary read check\n" );
851 $wgOut->loginToUse();
854 wfProfileOut( __METHOD__
);
858 # Are we looking at an old revision
859 if( $oldid && !is_null( $this->mRevision
) ) {
860 $this->setOldSubtitle( $oldid );
861 if ( !$this->showDeletedRevisionHeader() ) {
862 wfDebug( __METHOD__
.": cannot view deleted revision\n" );
863 wfProfileOut( __METHOD__
);
866 # If this "old" version is the current, then try the parser cache...
867 if ( $oldid === $this->getLatest() && $this->useParserCache( false ) ) {
868 $this->mParserOutput
= $parserCache->get( $this, $parserOptions );
869 if ( $this->mParserOutput
) {
870 wfDebug( __METHOD__
.": showing parser cache for current rev permalink\n" );
871 $wgOut->addParserOutput( $this->mParserOutput
);
872 $wgOut->setRevisionId( $this->mLatest
);
873 $this->showViewFooter();
874 $this->viewUpdates();
875 wfProfileOut( __METHOD__
);
881 # Ensure that UI elements requiring revision ID have
882 # the correct version information.
883 $wgOut->setRevisionId( $this->getRevIdFetched() );
885 # Pages containing custom CSS or JavaScript get special treatment
886 if( $this->mTitle
->isCssOrJsPage() ||
$this->mTitle
->isCssJsSubpage() ) {
887 wfDebug( __METHOD__
.": showing CSS/JS source\n" );
888 $this->showCssOrJsPage();
890 } else if( $rt = Title
::newFromRedirectArray( $text ) ) {
891 wfDebug( __METHOD__
.": showing redirect=no page\n" );
892 # Viewing a redirect page (e.g. with parameter redirect=no)
893 # Don't append the subtitle if this was an old revision
894 $wgOut->addHTML( $this->viewRedirect( $rt, !$wasRedirected && $this->isCurrent() ) );
895 # Parse just to get categories, displaytitle, etc.
896 $this->mParserOutput
= $wgParser->parse( $text, $this->mTitle
, $parserOptions );
897 $wgOut->addParserOutputNoText( $this->mParserOutput
);
903 # Run the parse, protected by a pool counter
904 wfDebug( __METHOD__
.": doing uncached parse\n" );
905 $key = $parserCache->getKey( $this, $parserOptions );
906 $poolCounter = PoolCounter
::factory( 'Article::view', $key );
907 $dirtyCallback = $useParserCache ?
array( $this, 'tryDirtyCache' ) : false;
908 $status = $poolCounter->executeProtected( array( $this, 'doViewParse' ), $dirtyCallback );
910 if ( !$status->isOK() ) {
911 # Connection or timeout error
912 $this->showPoolError( $status );
913 wfProfileOut( __METHOD__
);
920 # Should be unreachable, but just in case...
926 # Now that we've filled $this->mParserOutput, we know whether
927 # there are any __NOINDEX__ tags on the page
928 $policy = $this->getRobotPolicy( 'view' );
929 $wgOut->setIndexPolicy( $policy['index'] );
930 $wgOut->setFollowPolicy( $policy['follow'] );
932 $this->showViewFooter();
933 $this->viewUpdates();
934 wfProfileOut( __METHOD__
);
938 * Show a diff page according to current request variables. For use within
939 * Article::view() only, other callers should use the DifferenceEngine class.
941 public function showDiffPage() {
942 global $wgOut, $wgRequest, $wgUser;
944 $diff = $wgRequest->getVal( 'diff' );
945 $rcid = $wgRequest->getVal( 'rcid' );
946 $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
947 $purge = $wgRequest->getVal( 'action' ) == 'purge';
948 $unhide = $wgRequest->getInt('unhide') == 1;
949 $oldid = $this->getOldID();
951 $de = new DifferenceEngine( $this->mTitle
, $oldid, $diff, $rcid, $purge, $unhide );
952 // DifferenceEngine directly fetched the revision:
953 $this->mRevIdFetched
= $de->mNewid
;
954 $de->showDiffPage( $diffOnly );
956 // Needed to get the page's current revision
957 $this->loadPageData();
958 if( $diff == 0 ||
$diff == $this->mLatest
) {
959 # Run view updates for current revision only
960 $this->viewUpdates();
965 * Show a page view for a page formatted as CSS or JavaScript. To be called by
966 * Article::view() only.
968 * This is hooked by SyntaxHighlight_GeSHi to do syntax highlighting of these
971 public function showCssOrJsPage() {
973 $wgOut->addHTML( wfMsgExt( 'clearyourcache', 'parse' ) );
974 // Give hooks a chance to customise the output
975 if( wfRunHooks( 'ShowRawCssJs', array( $this->mContent
, $this->mTitle
, $wgOut ) ) ) {
976 // Wrap the whole lot in a <pre> and don't parse
978 preg_match( '!\.(css|js)$!u', $this->mTitle
->getText(), $m );
979 $wgOut->addHTML( "<pre class=\"mw-code mw-{$m[1]}\" dir=\"ltr\">\n" );
980 $wgOut->addHTML( htmlspecialchars( $this->mContent
) );
981 $wgOut->addHTML( "\n</pre>\n" );
986 * Get the robot policy to be used for the current action=view request.
987 * @return String the policy that should be set
988 * @deprecated use getRobotPolicy() instead, which returns an associative
991 public function getRobotPolicyForView() {
992 wfDeprecated( __FUNC__
);
993 $policy = $this->getRobotPolicy( 'view' );
994 return $policy['index'] . ',' . $policy['follow'];
998 * Get the robot policy to be used for the current view
999 * @param $action String the action= GET parameter
1000 * @return Array the policy that should be set
1001 * TODO: actions other than 'view'
1003 public function getRobotPolicy( $action ){
1005 global $wgOut, $wgArticleRobotPolicies, $wgNamespaceRobotPolicies;
1006 global $wgDefaultRobotPolicy, $wgRequest;
1008 $ns = $this->mTitle
->getNamespace();
1009 if( $ns == NS_USER ||
$ns == NS_USER_TALK
) {
1010 # Don't index user and user talk pages for blocked users (bug 11443)
1011 if( !$this->mTitle
->isSubpage() ) {
1012 $block = new Block();
1013 if( $block->load( $this->mTitle
->getText() ) ) {
1014 return array( 'index' => 'noindex',
1015 'follow' => 'nofollow' );
1020 if( $this->getID() === 0 ||
$this->getOldID() ) {
1021 # Non-articles (special pages etc), and old revisions
1022 return array( 'index' => 'noindex',
1023 'follow' => 'nofollow' );
1024 } elseif( $wgOut->isPrintable() ) {
1025 # Discourage indexing of printable versions, but encourage following
1026 return array( 'index' => 'noindex',
1027 'follow' => 'follow' );
1028 } elseif( $wgRequest->getInt('curid') ) {
1029 # For ?curid=x urls, disallow indexing
1030 return array( 'index' => 'noindex',
1031 'follow' => 'follow' );
1034 # Otherwise, construct the policy based on the various config variables.
1035 $policy = self
::formatRobotPolicy( $wgDefaultRobotPolicy );
1037 if( isset( $wgNamespaceRobotPolicies[$ns] ) ){
1038 # Honour customised robot policies for this namespace
1039 $policy = array_merge( $policy,
1040 self
::formatRobotPolicy( $wgNamespaceRobotPolicies[$ns] ) );
1042 if( $this->mTitle
->canUseNoindex() && is_object( $this->mParserOutput
) && $this->mParserOutput
->getIndexPolicy() ){
1043 # __INDEX__ and __NOINDEX__ magic words, if allowed. Incorporates
1044 # a final sanity check that we have really got the parser output.
1045 $policy = array_merge( $policy,
1046 array( 'index' => $this->mParserOutput
->getIndexPolicy() ) );
1049 if( isset( $wgArticleRobotPolicies[$this->mTitle
->getPrefixedText()] ) ){
1050 # (bug 14900) site config can override user-defined __INDEX__ or __NOINDEX__
1051 $policy = array_merge( $policy,
1052 self
::formatRobotPolicy( $wgArticleRobotPolicies[$this->mTitle
->getPrefixedText()] ) );
1060 * Converts a String robot policy into an associative array, to allow
1061 * merging of several policies using array_merge().
1062 * @param $policy Mixed, returns empty array on null/false/'', transparent
1063 * to already-converted arrays, converts String.
1064 * @return associative Array: 'index' => <indexpolicy>, 'follow' => <followpolicy>
1066 public static function formatRobotPolicy( $policy ){
1067 if( is_array( $policy ) ){
1069 } elseif( !$policy ){
1073 $policy = explode( ',', $policy );
1074 $policy = array_map( 'trim', $policy );
1077 foreach( $policy as $var ){
1078 if( in_array( $var, array('index','noindex') ) ){
1079 $arr['index'] = $var;
1080 } elseif( in_array( $var, array('follow','nofollow') ) ){
1081 $arr['follow'] = $var;
1088 * If this request is a redirect view, send "redirected from" subtitle to
1089 * $wgOut. Returns true if the header was needed, false if this is not a
1090 * redirect view. Handles both local and remote redirects.
1092 public function showRedirectedFromHeader() {
1093 global $wgOut, $wgUser, $wgRequest, $wgRedirectSources;
1095 $rdfrom = $wgRequest->getVal( 'rdfrom' );
1096 $sk = $wgUser->getSkin();
1097 if( isset( $this->mRedirectedFrom
) ) {
1098 // This is an internally redirected page view.
1099 // We'll need a backlink to the source page for navigation.
1100 if( wfRunHooks( 'ArticleViewRedirect', array( &$this ) ) ) {
1102 $this->mRedirectedFrom
,
1105 array( 'redirect' => 'no' ),
1106 array( 'known', 'noclasses' )
1108 $s = wfMsgExt( 'redirectedfrom', array( 'parseinline', 'replaceafter' ), $redir );
1109 $wgOut->setSubtitle( $s );
1111 // Set the fragment if one was specified in the redirect
1112 if( strval( $this->mTitle
->getFragment() ) != '' ) {
1113 $fragment = Xml
::escapeJsString( $this->mTitle
->getFragmentForURL() );
1114 $wgOut->addInlineScript( "redirectToFragment(\"$fragment\");" );
1117 // Add a <link rel="canonical"> tag
1118 $wgOut->addLink( array( 'rel' => 'canonical',
1119 'href' => $this->mTitle
->getLocalURL() )
1123 } elseif( $rdfrom ) {
1124 // This is an externally redirected view, from some other wiki.
1125 // If it was reported from a trusted site, supply a backlink.
1126 if( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
1127 $redir = $sk->makeExternalLink( $rdfrom, $rdfrom );
1128 $s = wfMsgExt( 'redirectedfrom', array( 'parseinline', 'replaceafter' ), $redir );
1129 $wgOut->setSubtitle( $s );
1137 * Show a header specific to the namespace currently being viewed, like
1138 * [[MediaWiki:Talkpagetext]]. For Article::view().
1140 public function showNamespaceHeader() {
1142 if( $this->mTitle
->isTalkPage() ) {
1143 $msg = wfMsgNoTrans( 'talkpageheader' );
1144 if ( $msg !== '-' && !wfEmptyMsg( 'talkpageheader', $msg ) ) {
1145 $wgOut->wrapWikiMsg( "<div class=\"mw-talkpageheader\">\n$1</div>", array( 'talkpageheader' ) );
1151 * Show the footer section of an ordinary page view
1153 public function showViewFooter() {
1154 global $wgOut, $wgUseTrackbacks, $wgRequest;
1155 # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
1156 if( $this->mTitle
->getNamespace() == NS_USER_TALK
&& IP
::isValid( $this->mTitle
->getText() ) ) {
1157 $wgOut->addWikiMsg('anontalkpagetext');
1160 # If we have been passed an &rcid= parameter, we want to give the user a
1161 # chance to mark this new article as patrolled.
1162 $this->showPatrolFooter();
1165 if( $wgUseTrackbacks ) {
1166 $this->addTrackbacks();
1171 * If patrol is possible, output a patrol UI box. This is called from the
1172 * footer section of ordinary page views. If patrol is not possible or not
1173 * desired, does nothing.
1175 public function showPatrolFooter() {
1176 global $wgOut, $wgRequest, $wgUser;
1177 $rcid = $wgRequest->getVal( 'rcid' );
1179 if( !$rcid ||
!$this->mTitle
->exists() ||
!$this->mTitle
->quickUserCan( 'patrol' ) ) {
1183 $sk = $wgUser->getSkin();
1186 "<div class='patrollink'>" .
1188 'markaspatrolledlink',
1191 wfMsgHtml( 'markaspatrolledtext' ),
1194 'action' => 'markpatrolled',
1197 array( 'known', 'noclasses' )
1205 * Show the error text for a missing article. For articles in the MediaWiki
1206 * namespace, show the default message text. To be called from Article::view().
1208 public function showMissingArticle() {
1209 global $wgOut, $wgRequest, $wgUser;
1211 # Show info in user (talk) namespace. Does the user exist? Is he blocked?
1212 if ( $this->mTitle
->getNamespace() == NS_USER ||
$this->mTitle
->getNamespace() == NS_USER_TALK
) {
1213 $parts = explode( '/', $this->mTitle
->getText() );
1214 $rootPart = $parts[0];
1215 $id = User
::idFromName( $rootPart );
1216 $ip = User
::isIP( $rootPart );
1217 if ( $id == 0 && !$ip ) { # User does not exist
1218 $wgOut->wrapWikiMsg( "<div class=\"mw-userpage-userdoesnotexist error\">\n\$1</div>",
1219 array( 'userpage-userdoesnotexist-view', $rootPart ) );
1220 } else if (User
::newFromId($id)->isBlocked()) { # Show log extract if the user is currently blocked
1221 LogEventsList
::showLogExtract(
1224 $this->mTitle
->getSubjectPage()->getPrefixedText(),
1228 'showIfEmpty' => false,
1230 'sp-contributions-blocked-notice',
1231 $this->mTitle
->getSubjectPage()->getPrefixedText() # Support GENDER in notice
1237 wfRunHooks( 'ShowMissingArticle', array( $this ) );
1238 # Show delete and move logs
1239 LogEventsList
::showLogExtract( $wgOut, array( 'delete', 'move' ), $this->mTitle
->getPrefixedText(), '',
1241 'conds' => array( "log_action != 'revision'" ),
1242 'showIfEmpty' => false,
1243 'msgKey' => array( 'moveddeleted-notice' ) )
1246 # Show error message
1247 $oldid = $this->getOldID();
1249 $text = wfMsgNoTrans( 'missing-article',
1250 $this->mTitle
->getPrefixedText(),
1251 wfMsgNoTrans( 'missingarticle-rev', $oldid ) );
1252 } elseif ( $this->mTitle
->getNamespace() === NS_MEDIAWIKI
) {
1253 // Use the default message text
1254 $text = $this->getContent();
1256 $createErrors = $this->mTitle
->getUserPermissionsErrors( 'create', $wgUser );
1257 $editErrors = $this->mTitle
->getUserPermissionsErrors( 'edit', $wgUser );
1258 $errors = array_merge( $createErrors, $editErrors );
1260 if ( !count($errors) )
1261 $text = wfMsgNoTrans( 'noarticletext' );
1263 $text = wfMsgNoTrans( 'noarticletext-nopermission' );
1265 $text = "<div class='noarticletext'>\n$text\n</div>";
1266 if( !$this->hasViewableContent() ) {
1267 // If there's no backing content, send a 404 Not Found
1268 // for better machine handling of broken links.
1269 $wgRequest->response()->header( "HTTP/1.x 404 Not Found" );
1271 $wgOut->addWikiText( $text );
1275 * If the revision requested for view is deleted, check permissions.
1276 * Send either an error message or a warning header to $wgOut.
1277 * Returns true if the view is allowed, false if not.
1279 public function showDeletedRevisionHeader() {
1280 global $wgOut, $wgRequest;
1281 if( !$this->mRevision
->isDeleted( Revision
::DELETED_TEXT
) ) {
1285 // If the user is not allowed to see it...
1286 if( !$this->mRevision
->userCan(Revision
::DELETED_TEXT
) ) {
1287 $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n",
1288 'rev-deleted-text-permission' );
1290 // If the user needs to confirm that they want to see it...
1291 } else if( $wgRequest->getInt('unhide') != 1 ) {
1292 # Give explanation and add a link to view the revision...
1293 $oldid = intval( $this->getOldID() );
1294 $link = $this->mTitle
->getFullUrl( "oldid={$oldid}&unhide=1" );
1295 $msg = $this->mRevision
->isDeleted( Revision
::DELETED_RESTRICTED
) ?
1296 'rev-suppressed-text-unhide' : 'rev-deleted-text-unhide';
1297 $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n",
1298 array($msg,$link) );
1300 // We are allowed to see...
1302 $msg = $this->mRevision
->isDeleted( Revision
::DELETED_RESTRICTED
) ?
1303 'rev-suppressed-text-view' : 'rev-deleted-text-view';
1304 $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n", $msg );
1310 * Should the parser cache be used?
1312 public function useParserCache( $oldid ) {
1313 global $wgUser, $wgEnableParserCache;
1315 return $wgEnableParserCache
1316 && intval( $wgUser->getOption( 'stubthreshold' ) ) == 0
1319 && !$this->mTitle
->isCssOrJsPage()
1320 && !$this->mTitle
->isCssJsSubpage();
1324 * Execute the uncached parse for action=view
1326 public function doViewParse() {
1328 $oldid = $this->getOldID();
1329 $useParserCache = $this->useParserCache( $oldid );
1330 $parserOptions = clone $this->getParserOptions();
1331 # Render printable version, use printable version cache
1332 $parserOptions->setIsPrintable( $wgOut->isPrintable() );
1333 # Don't show section-edit links on old revisions... this way lies madness.
1334 $parserOptions->setEditSection( $this->isCurrent() );
1335 $useParserCache = $this->useParserCache( $oldid );
1336 $this->outputWikiText( $this->getContent(), $useParserCache, $parserOptions );
1340 * Try to fetch an expired entry from the parser cache. If it is present,
1341 * output it and return true. If it is not present, output nothing and
1342 * return false. This is used as a callback function for
1343 * PoolCounter::executeProtected().
1345 public function tryDirtyCache() {
1347 $parserCache = ParserCache
::singleton();
1348 $options = $this->getParserOptions();
1349 $options->setIsPrintable( $wgOut->isPrintable() );
1350 $output = $parserCache->getDirty( $this, $options );
1352 wfDebug( __METHOD__
.": sending dirty output\n" );
1353 wfDebugLog( 'dirty', "dirty output " . $parserCache->getKey( $this, $options ) . "\n" );
1354 $wgOut->setSquidMaxage( 0 );
1355 $this->mParserOutput
= $output;
1356 $wgOut->addParserOutput( $output );
1357 $wgOut->addHTML( "<!-- parser cache is expired, sending anyway due to pool overload-->\n" );
1360 wfDebugLog( 'dirty', "dirty missing\n" );
1361 wfDebug( __METHOD__
.": no dirty cache\n" );
1367 * Show an error page for an error from the pool counter.
1368 * @param $status Status
1370 public function showPoolError( $status ) {
1372 $wgOut->clearHTML(); // for release() errors
1373 $wgOut->enableClientCache( false );
1374 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1375 $wgOut->addWikiText(
1376 '<div class="errorbox">' .
1377 $status->getWikiText( false, 'view-pool-error' ) .
1384 * @param $target Title object or Array of destination(s) to redirect
1385 * @param $appendSubtitle Boolean [optional]
1386 * @param $forceKnown Boolean: should the image be shown as a bluelink regardless of existence?
1388 public function viewRedirect( $target, $appendSubtitle = true, $forceKnown = false ) {
1389 global $wgOut, $wgContLang, $wgStylePath, $wgUser;
1391 if( !is_array( $target ) ) {
1392 $target = array( $target );
1394 $imageDir = $wgContLang->getDir();
1395 $imageUrl = $wgStylePath . '/common/images/redirect' . $imageDir . '.png';
1396 $imageUrl2 = $wgStylePath . '/common/images/nextredirect' . $imageDir . '.png';
1397 $alt2 = $wgContLang->isRTL() ?
'←' : '→'; // should -> and <- be used instead of entities?
1399 if( $appendSubtitle ) {
1400 $wgOut->appendSubtitle( wfMsgHtml( 'redirectpagesub' ) );
1402 $sk = $wgUser->getSkin();
1403 // the loop prepends the arrow image before the link, so the first case needs to be outside
1404 $title = array_shift( $target );
1408 htmlspecialchars( $title->getFullText() ),
1411 array( 'known', 'noclasses' )
1414 $link = $sk->link( $title, htmlspecialchars( $title->getFullText() ) );
1416 // automatically append redirect=no to each link, since most of them are redirect pages themselves
1417 foreach( $target as $rt ) {
1419 $link .= '<img src="'.$imageUrl2.'" alt="'.$alt2.' " />'
1422 htmlspecialchars( $rt->getFullText() ),
1425 array( 'known', 'noclasses' )
1428 $link .= '<img src="'.$imageUrl2.'" alt="'.$alt2.' " />'
1429 . $sk->link( $rt, htmlspecialchars( $rt->getFullText() ) );
1432 return '<img src="'.$imageUrl.'" alt="#REDIRECT " />' .
1433 '<span class="redirectText">'.$link.'</span>';
1437 public function addTrackbacks() {
1438 global $wgOut, $wgUser;
1439 $dbr = wfGetDB( DB_SLAVE
);
1440 $tbs = $dbr->select( 'trackbacks',
1441 array('tb_id', 'tb_title', 'tb_url', 'tb_ex', 'tb_name'),
1442 array('tb_page' => $this->getID() )
1444 if( !$dbr->numRows($tbs) ) return;
1447 while( $o = $dbr->fetchObject($tbs) ) {
1449 if( $wgUser->isAllowed( 'trackback' ) ) {
1450 $delurl = $this->mTitle
->getFullURL("action=deletetrackback&tbid=" .
1451 $o->tb_id
. "&token=" . urlencode( $wgUser->editToken() ) );
1452 $rmvtxt = wfMsg( 'trackbackremove', htmlspecialchars( $delurl ) );
1455 $tbtext .= wfMsg(strlen($o->tb_ex
) ?
'trackbackexcerpt' : 'trackback',
1462 $wgOut->wrapWikiMsg( "<div id='mw_trackbacks'>$1</div>\n", array( 'trackbackbox', $tbtext ) );
1463 $this->mTitle
->invalidateCache();
1466 public function deletetrackback() {
1467 global $wgUser, $wgRequest, $wgOut;
1468 if( !$wgUser->matchEditToken($wgRequest->getVal('token')) ) {
1469 $wgOut->addWikiMsg( 'sessionfailure' );
1473 $permission_errors = $this->mTitle
->getUserPermissionsErrors( 'delete', $wgUser );
1474 if( count($permission_errors) ) {
1475 $wgOut->showPermissionsErrorPage( $permission_errors );
1479 $db = wfGetDB( DB_MASTER
);
1480 $db->delete( 'trackbacks', array('tb_id' => $wgRequest->getInt('tbid')) );
1482 $wgOut->addWikiMsg( 'trackbackdeleteok' );
1483 $this->mTitle
->invalidateCache();
1486 public function render() {
1488 $wgOut->setArticleBodyOnly(true);
1493 * Handle action=purge
1495 public function purge() {
1496 global $wgUser, $wgRequest, $wgOut;
1497 if( $wgUser->isAllowed( 'purge' ) ||
$wgRequest->wasPosted() ) {
1498 if( wfRunHooks( 'ArticlePurge', array( &$this ) ) ) {
1503 $action = htmlspecialchars( $wgRequest->getRequestURL() );
1504 $button = wfMsgExt( 'confirm_purge_button', array('escapenoentities') );
1505 $form = "<form method=\"post\" action=\"$action\">\n" .
1506 "<input type=\"submit\" name=\"submit\" value=\"$button\" />\n" .
1508 $top = wfMsgExt( 'confirm-purge-top', array('parse') );
1509 $bottom = wfMsgExt( 'confirm-purge-bottom', array('parse') );
1510 $wgOut->setPageTitle( $this->mTitle
->getPrefixedText() );
1511 $wgOut->setRobotPolicy( 'noindex,nofollow' );
1512 $wgOut->addHTML( $top . $form . $bottom );
1517 * Perform the actions of a page purging
1519 public function doPurge() {
1521 // Invalidate the cache
1522 $this->mTitle
->invalidateCache();
1525 // Commit the transaction before the purge is sent
1526 $dbw = wfGetDB( DB_MASTER
);
1530 $update = SquidUpdate
::newSimplePurge( $this->mTitle
);
1531 $update->doUpdate();
1533 if( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
1534 global $wgMessageCache;
1535 if( $this->getID() == 0 ) {
1538 $text = $this->getRawText();
1540 $wgMessageCache->replace( $this->mTitle
->getDBkey(), $text );
1545 * Insert a new empty page record for this article.
1546 * This *must* be followed up by creating a revision
1547 * and running $this->updateToLatest( $rev_id );
1548 * or else the record will be left in a funky state.
1549 * Best if all done inside a transaction.
1551 * @param $dbw Database
1552 * @return int The newly created page_id key, or false if the title already existed
1555 public function insertOn( $dbw ) {
1556 wfProfileIn( __METHOD__
);
1558 $page_id = $dbw->nextSequenceValue( 'page_page_id_seq' );
1559 $dbw->insert( 'page', array(
1560 'page_id' => $page_id,
1561 'page_namespace' => $this->mTitle
->getNamespace(),
1562 'page_title' => $this->mTitle
->getDBkey(),
1563 'page_counter' => 0,
1564 'page_restrictions' => '',
1565 'page_is_redirect' => 0, # Will set this shortly...
1567 'page_random' => wfRandom(),
1568 'page_touched' => $dbw->timestamp(),
1569 'page_latest' => 0, # Fill this in shortly...
1570 'page_len' => 0, # Fill this in shortly...
1571 ), __METHOD__
, 'IGNORE' );
1573 $affected = $dbw->affectedRows();
1575 $newid = $dbw->insertId();
1576 $this->mTitle
->resetArticleId( $newid );
1578 wfProfileOut( __METHOD__
);
1579 return $affected ?
$newid : false;
1583 * Update the page record to point to a newly saved revision.
1585 * @param $dbw Database object
1586 * @param $revision Revision: For ID number, and text used to set
1587 length and redirect status fields
1588 * @param $lastRevision Integer: if given, will not overwrite the page field
1589 * when different from the currently set value.
1590 * Giving 0 indicates the new page flag should be set
1592 * @param $lastRevIsRedirect Boolean: if given, will optimize adding and
1593 * removing rows in redirect table.
1594 * @return bool true on success, false on failure
1597 public function updateRevisionOn( &$dbw, $revision, $lastRevision = null, $lastRevIsRedirect = null ) {
1598 wfProfileIn( __METHOD__
);
1600 $text = $revision->getText();
1601 $rt = Title
::newFromRedirect( $text );
1603 $conditions = array( 'page_id' => $this->getId() );
1604 if( !is_null( $lastRevision ) ) {
1605 # An extra check against threads stepping on each other
1606 $conditions['page_latest'] = $lastRevision;
1609 $dbw->update( 'page',
1611 'page_latest' => $revision->getId(),
1612 'page_touched' => $dbw->timestamp(),
1613 'page_is_new' => ($lastRevision === 0) ?
1 : 0,
1614 'page_is_redirect' => $rt !== null ?
1 : 0,
1615 'page_len' => strlen( $text ),
1620 $result = $dbw->affectedRows() != 0;
1622 $this->updateRedirectOn( $dbw, $rt, $lastRevIsRedirect );
1625 wfProfileOut( __METHOD__
);
1630 * Add row to the redirect table if this is a redirect, remove otherwise.
1632 * @param $dbw Database
1633 * @param $redirectTitle a title object pointing to the redirect target,
1634 * or NULL if this is not a redirect
1635 * @param $lastRevIsRedirect If given, will optimize adding and
1636 * removing rows in redirect table.
1637 * @return bool true on success, false on failure
1640 public function updateRedirectOn( &$dbw, $redirectTitle, $lastRevIsRedirect = null ) {
1641 // Always update redirects (target link might have changed)
1642 // Update/Insert if we don't know if the last revision was a redirect or not
1643 // Delete if changing from redirect to non-redirect
1644 $isRedirect = !is_null($redirectTitle);
1645 if($isRedirect ||
is_null($lastRevIsRedirect) ||
$lastRevIsRedirect !== $isRedirect) {
1646 wfProfileIn( __METHOD__
);
1648 // This title is a redirect, Add/Update row in the redirect table
1649 $set = array( /* SET */
1650 'rd_namespace' => $redirectTitle->getNamespace(),
1651 'rd_title' => $redirectTitle->getDBkey(),
1652 'rd_from' => $this->getId(),
1654 $dbw->replace( 'redirect', array( 'rd_from' ), $set, __METHOD__
);
1656 // This is not a redirect, remove row from redirect table
1657 $where = array( 'rd_from' => $this->getId() );
1658 $dbw->delete( 'redirect', $where, __METHOD__
);
1660 if( $this->getTitle()->getNamespace() == NS_FILE
) {
1661 RepoGroup
::singleton()->getLocalRepo()->invalidateImageRedirect( $this->getTitle() );
1663 wfProfileOut( __METHOD__
);
1664 return ( $dbw->affectedRows() != 0 );
1670 * If the given revision is newer than the currently set page_latest,
1671 * update the page record. Otherwise, do nothing.
1673 * @param $dbw Database object
1674 * @param $revision Revision object
1676 public function updateIfNewerOn( &$dbw, $revision ) {
1677 wfProfileIn( __METHOD__
);
1678 $row = $dbw->selectRow(
1679 array( 'revision', 'page' ),
1680 array( 'rev_id', 'rev_timestamp', 'page_is_redirect' ),
1682 'page_id' => $this->getId(),
1683 'page_latest=rev_id' ),
1686 if( wfTimestamp(TS_MW
, $row->rev_timestamp
) >= $revision->getTimestamp() ) {
1687 wfProfileOut( __METHOD__
);
1690 $prev = $row->rev_id
;
1691 $lastRevIsRedirect = (bool)$row->page_is_redirect
;
1693 # No or missing previous revision; mark the page as new
1695 $lastRevIsRedirect = null;
1697 $ret = $this->updateRevisionOn( $dbw, $revision, $prev, $lastRevIsRedirect );
1698 wfProfileOut( __METHOD__
);
1703 * @param $section empty/null/false or a section number (0, 1, 2, T1, T2...)
1704 * @return string Complete article text, or null if error
1706 public function replaceSection( $section, $text, $summary = '', $edittime = null ) {
1707 wfProfileIn( __METHOD__
);
1708 if( strval( $section ) == '' ) {
1709 // Whole-page edit; let the whole text through
1711 if( is_null($edittime) ) {
1712 $rev = Revision
::newFromTitle( $this->mTitle
);
1714 $dbw = wfGetDB( DB_MASTER
);
1715 $rev = Revision
::loadFromTimestamp( $dbw, $this->mTitle
, $edittime );
1718 wfDebug( "Article::replaceSection asked for bogus section (page: " .
1719 $this->getId() . "; section: $section; edittime: $edittime)\n" );
1722 $oldtext = $rev->getText();
1724 if( $section == 'new' ) {
1725 # Inserting a new section
1726 $subject = $summary ?
wfMsgForContent('newsectionheaderdefaultlevel',$summary) . "\n\n" : '';
1727 $text = strlen( trim( $oldtext ) ) > 0
1728 ?
"{$oldtext}\n\n{$subject}{$text}"
1729 : "{$subject}{$text}";
1731 # Replacing an existing section; roll out the big guns
1733 $text = $wgParser->replaceSection( $oldtext, $section, $text );
1736 wfProfileOut( __METHOD__
);
1741 * This function is not deprecated until somebody fixes the core not to use
1742 * it. Nevertheless, use Article::doEdit() instead.
1744 function insertNewArticle( $text, $summary, $isminor, $watchthis, $suppressRC=false, $comment=false, $bot=false ) {
1745 $flags = EDIT_NEW | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
1746 ( $isminor ? EDIT_MINOR
: 0 ) |
1747 ( $suppressRC ? EDIT_SUPPRESS_RC
: 0 ) |
1748 ( $bot ? EDIT_FORCE_BOT
: 0 );
1750 # If this is a comment, add the summary as headline
1751 if( $comment && $summary != "" ) {
1752 $text = wfMsgForContent('newsectionheaderdefaultlevel',$summary) . "\n\n".$text;
1755 $this->doEdit( $text, $summary, $flags );
1757 $dbw = wfGetDB( DB_MASTER
);
1759 if(!$this->mTitle
->userIsWatching()) {
1765 if( $this->mTitle
->userIsWatching() ) {
1771 $this->doRedirect( $this->isRedirect( $text ) );
1775 * @deprecated use Article::doEdit()
1777 function updateArticle( $text, $summary, $minor, $watchthis, $forceBot = false, $sectionanchor = '' ) {
1778 $flags = EDIT_UPDATE | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
1779 ( $minor ? EDIT_MINOR
: 0 ) |
1780 ( $forceBot ? EDIT_FORCE_BOT
: 0 );
1782 $status = $this->doEdit( $text, $summary, $flags );
1783 if( !$status->isOK() ) {
1787 $dbw = wfGetDB( DB_MASTER
);
1789 if(!$this->mTitle
->userIsWatching()) {
1795 if( $this->mTitle
->userIsWatching() ) {
1802 $extraQuery = ''; // Give extensions a chance to modify URL query on update
1803 wfRunHooks( 'ArticleUpdateBeforeRedirect', array( $this, &$sectionanchor, &$extraQuery ) );
1805 $this->doRedirect( $this->isRedirect( $text ), $sectionanchor, $extraQuery );
1812 * Change an existing article or create a new article. Updates RC and all necessary caches,
1813 * optionally via the deferred update array.
1815 * $wgUser must be set before calling this function.
1817 * @param $text String: new text
1818 * @param $summary String: edit summary
1819 * @param $flags Integer bitfield:
1821 * Article is known or assumed to be non-existent, create a new one
1823 * Article is known or assumed to be pre-existing, update it
1825 * Mark this edit minor, if the user is allowed to do so
1827 * Do not log the change in recentchanges
1829 * Mark the edit a "bot" edit regardless of user rights
1830 * EDIT_DEFER_UPDATES
1831 * Defer some of the updates until the end of index.php
1833 * Fill in blank summaries with generated text where possible
1835 * If neither EDIT_NEW nor EDIT_UPDATE is specified, the status of the article will be detected.
1836 * If EDIT_UPDATE is specified and the article doesn't exist, the function will an
1837 * edit-gone-missing error. If EDIT_NEW is specified and the article does exist, an
1838 * edit-already-exists error will be returned. These two conditions are also possible with
1839 * auto-detection due to MediaWiki's performance-optimised locking strategy.
1841 * @param $baseRevId the revision ID this edit was based off, if any
1842 * @param $user Optional user object, $wgUser will be used if not passed
1844 * @return Status object. Possible errors:
1845 * edit-hook-aborted: The ArticleSave hook aborted the edit but didn't set the fatal flag of $status
1846 * edit-gone-missing: In update mode, but the article didn't exist
1847 * edit-conflict: In update mode, the article changed unexpectedly
1848 * edit-no-change: Warning that the text was the same as before
1849 * edit-already-exists: In creation mode, but the article already exists
1851 * Extensions may define additional errors.
1853 * $return->value will contain an associative array with members as follows:
1854 * new: Boolean indicating if the function attempted to create a new article
1855 * revision: The revision object for the inserted revision, or null
1857 * Compatibility note: this function previously returned a boolean value indicating success/failure
1859 public function doEdit( $text, $summary, $flags = 0, $baseRevId = false, $user = null ) {
1860 global $wgUser, $wgDBtransactions, $wgUseAutomaticEditSummaries;
1862 # Low-level sanity check
1863 if( $this->mTitle
->getText() == '' ) {
1864 throw new MWException( 'Something is trying to edit an article with an empty title' );
1867 wfProfileIn( __METHOD__
);
1869 $user = is_null($user) ?
$wgUser : $user;
1870 $status = Status
::newGood( array() );
1872 # Load $this->mTitle->getArticleID() and $this->mLatest if it's not already
1873 $this->loadPageData();
1875 if( !($flags & EDIT_NEW
) && !($flags & EDIT_UPDATE
) ) {
1876 $aid = $this->mTitle
->getArticleID();
1878 $flags |
= EDIT_UPDATE
;
1884 if( !wfRunHooks( 'ArticleSave', array( &$this, &$user, &$text, &$summary,
1885 $flags & EDIT_MINOR
, null, null, &$flags, &$status ) ) )
1887 wfDebug( __METHOD__
. ": ArticleSave hook aborted save!\n" );
1888 wfProfileOut( __METHOD__
);
1889 if( $status->isOK() ) {
1890 $status->fatal( 'edit-hook-aborted');
1895 # Silently ignore EDIT_MINOR if not allowed
1896 $isminor = ( $flags & EDIT_MINOR
) && $user->isAllowed('minoredit');
1897 $bot = $flags & EDIT_FORCE_BOT
;
1899 $oldtext = $this->getRawText(); // current revision
1900 $oldsize = strlen( $oldtext );
1902 # Provide autosummaries if one is not provided and autosummaries are enabled.
1903 if( $wgUseAutomaticEditSummaries && $flags & EDIT_AUTOSUMMARY
&& $summary == '' ) {
1904 $summary = $this->getAutosummary( $oldtext, $text, $flags );
1907 $editInfo = $this->prepareTextForEdit( $text );
1908 $text = $editInfo->pst
;
1909 $newsize = strlen( $text );
1911 $dbw = wfGetDB( DB_MASTER
);
1912 $now = wfTimestampNow();
1913 $this->mTimestamp
=$now;
1915 if( $flags & EDIT_UPDATE
) {
1916 # Update article, but only if changed.
1917 $status->value
['new'] = false;
1918 # Make sure the revision is either completely inserted or not inserted at all
1919 if( !$wgDBtransactions ) {
1920 $userAbort = ignore_user_abort( true );
1925 $changed = ( strcmp( $text, $oldtext ) != 0 );
1928 $this->mGoodAdjustment
= (int)$this->isCountable( $text )
1929 - (int)$this->isCountable( $oldtext );
1930 $this->mTotalAdjustment
= 0;
1932 if( !$this->mLatest
) {
1933 # Article gone missing
1934 wfDebug( __METHOD__
.": EDIT_UPDATE specified but article doesn't exist\n" );
1935 $status->fatal( 'edit-gone-missing' );
1936 wfProfileOut( __METHOD__
);
1940 $revision = new Revision( array(
1941 'page' => $this->getId(),
1942 'comment' => $summary,
1943 'minor_edit' => $isminor,
1945 'parent_id' => $this->mLatest
,
1946 'user' => $user->getId(),
1947 'user_text' => $user->getName(),
1951 $revisionId = $revision->insertOn( $dbw );
1955 # Note that we use $this->mLatest instead of fetching a value from the master DB
1956 # during the course of this function. This makes sure that EditPage can detect
1957 # edit conflicts reliably, either by $ok here, or by $article->getTimestamp()
1958 # before this function is called. A previous function used a separate query, this
1959 # creates a window where concurrent edits can cause an ignored edit conflict.
1960 $ok = $this->updateRevisionOn( $dbw, $revision, $this->mLatest
);
1963 /* Belated edit conflict! Run away!! */
1964 $status->fatal( 'edit-conflict' );
1965 # Delete the invalid revision if the DB is not transactional
1966 if( !$wgDBtransactions ) {
1967 $dbw->delete( 'revision', array( 'rev_id' => $revisionId ), __METHOD__
);
1972 global $wgUseRCPatrol;
1973 wfRunHooks( 'NewRevisionFromEditComplete', array($this, $revision, $baseRevId, $user) );
1974 # Update recentchanges
1975 if( !( $flags & EDIT_SUPPRESS_RC
) ) {
1976 # Mark as patrolled if the user can do so
1977 $patrolled = $wgUseRCPatrol && $this->mTitle
->userCan('autopatrol');
1978 # Add RC row to the DB
1979 $rc = RecentChange
::notifyEdit( $now, $this->mTitle
, $isminor, $user, $summary,
1980 $this->mLatest
, $this->getTimestamp(), $bot, '', $oldsize, $newsize,
1981 $revisionId, $patrolled
1983 # Log auto-patrolled edits
1985 PatrolLog
::record( $rc, true );
1988 $user->incEditCount();
1992 $status->warning( 'edit-no-change' );
1994 // Keep the same revision ID, but do some updates on it
1995 $revisionId = $this->getRevIdFetched();
1996 // Update page_touched, this is usually implicit in the page update
1997 // Other cache updates are done in onArticleEdit()
1998 $this->mTitle
->invalidateCache();
2001 if( !$wgDBtransactions ) {
2002 ignore_user_abort( $userAbort );
2004 // Now that ignore_user_abort is restored, we can respond to fatal errors
2005 if( !$status->isOK() ) {
2006 wfProfileOut( __METHOD__
);
2010 # Invalidate cache of this article and all pages using this article
2011 # as a template. Partly deferred.
2012 Article
::onArticleEdit( $this->mTitle
);
2013 # Update links tables, site stats, etc.
2014 $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, $changed );
2016 # Create new article
2017 $status->value
['new'] = true;
2019 # Set statistics members
2020 # We work out if it's countable after PST to avoid counter drift
2021 # when articles are created with {{subst:}}
2022 $this->mGoodAdjustment
= (int)$this->isCountable( $text );
2023 $this->mTotalAdjustment
= 1;
2027 # Add the page record; stake our claim on this title!
2028 # This will return false if the article already exists
2029 $newid = $this->insertOn( $dbw );
2031 if( $newid === false ) {
2033 $status->fatal( 'edit-already-exists' );
2034 wfProfileOut( __METHOD__
);
2038 # Save the revision text...
2039 $revision = new Revision( array(
2041 'comment' => $summary,
2042 'minor_edit' => $isminor,
2044 'user' => $user->getId(),
2045 'user_text' => $user->getName(),
2047 $revisionId = $revision->insertOn( $dbw );
2049 $this->mTitle
->resetArticleID( $newid );
2051 # Update the page record with revision data
2052 $this->updateRevisionOn( $dbw, $revision, 0 );
2054 wfRunHooks( 'NewRevisionFromEditComplete', array($this, $revision, false, $user) );
2055 # Update recentchanges
2056 if( !( $flags & EDIT_SUPPRESS_RC
) ) {
2057 global $wgUseRCPatrol, $wgUseNPPatrol;
2058 # Mark as patrolled if the user can do so
2059 $patrolled = ($wgUseRCPatrol ||
$wgUseNPPatrol) && $this->mTitle
->userCan('autopatrol');
2060 # Add RC row to the DB
2061 $rc = RecentChange
::notifyNew( $now, $this->mTitle
, $isminor, $user, $summary, $bot,
2062 '', strlen($text), $revisionId, $patrolled );
2063 # Log auto-patrolled edits
2065 PatrolLog
::record( $rc, true );
2068 $user->incEditCount();
2071 # Update links, etc.
2072 $this->editUpdates( $text, $summary, $isminor, $now, $revisionId, true );
2075 Article
::onArticleCreate( $this->mTitle
);
2077 wfRunHooks( 'ArticleInsertComplete', array( &$this, &$user, $text, $summary,
2078 $flags & EDIT_MINOR
, null, null, &$flags, $revision ) );
2081 # Do updates right now unless deferral was requested
2082 if( !( $flags & EDIT_DEFER_UPDATES
) ) {
2086 // Return the new revision (or null) to the caller
2087 $status->value
['revision'] = $revision;
2089 wfRunHooks( 'ArticleSaveComplete', array( &$this, &$user, $text, $summary,
2090 $flags & EDIT_MINOR
, null, null, &$flags, $revision, &$status, $baseRevId ) );
2092 wfProfileOut( __METHOD__
);
2097 * @deprecated wrapper for doRedirect
2099 public function showArticle( $text, $subtitle , $sectionanchor = '', $me2, $now, $summary, $oldid ) {
2100 wfDeprecated( __METHOD__
);
2101 $this->doRedirect( $this->isRedirect( $text ), $sectionanchor );
2105 * Output a redirect back to the article.
2106 * This is typically used after an edit.
2108 * @param $noRedir Boolean: add redirect=no
2109 * @param $sectionAnchor String: section to redirect to, including "#"
2110 * @param $extraQuery String: extra query params
2112 public function doRedirect( $noRedir = false, $sectionAnchor = '', $extraQuery = '' ) {
2115 $query = 'redirect=no';
2117 $query .= "&$query";
2119 $query = $extraQuery;
2121 $wgOut->redirect( $this->mTitle
->getFullURL( $query ) . $sectionAnchor );
2125 * Mark this particular edit/page as patrolled
2127 public function markpatrolled() {
2128 global $wgOut, $wgRequest, $wgUseRCPatrol, $wgUseNPPatrol, $wgUser;
2129 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2131 # If we haven't been given an rc_id value, we can't do anything
2132 $rcid = (int) $wgRequest->getVal('rcid');
2133 $rc = RecentChange
::newFromId($rcid);
2134 if( is_null($rc) ) {
2135 $wgOut->showErrorPage( 'markedaspatrollederror', 'markedaspatrollederrortext' );
2139 #It would be nice to see where the user had actually come from, but for now just guess
2140 $returnto = $rc->getAttribute( 'rc_type' ) == RC_NEW ?
'Newpages' : 'Recentchanges';
2141 $return = SpecialPage
::getTitleFor( $returnto );
2143 $dbw = wfGetDB( DB_MASTER
);
2144 $errors = $rc->doMarkPatrolled();
2146 if( in_array(array('rcpatroldisabled'), $errors) ) {
2147 $wgOut->showErrorPage( 'rcpatroldisabled', 'rcpatroldisabledtext' );
2151 if( in_array(array('hookaborted'), $errors) ) {
2152 // The hook itself has handled any output
2156 if( in_array(array('markedaspatrollederror-noautopatrol'), $errors) ) {
2157 $wgOut->setPageTitle( wfMsg( 'markedaspatrollederror' ) );
2158 $wgOut->addWikiMsg( 'markedaspatrollederror-noautopatrol' );
2159 $wgOut->returnToMain( false, $return );
2163 if( !empty($errors) ) {
2164 $wgOut->showPermissionsErrorPage( $errors );
2169 $wgOut->setPageTitle( wfMsg( 'markedaspatrolled' ) );
2170 $wgOut->addWikiMsg( 'markedaspatrolledtext', $rc->getTitle()->getPrefixedText() );
2171 $wgOut->returnToMain( false, $return );
2175 * User-interface handler for the "watch" action
2177 public function watch() {
2178 global $wgUser, $wgOut;
2179 if( $wgUser->isAnon() ) {
2180 $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
2183 if( wfReadOnly() ) {
2184 $wgOut->readOnlyPage();
2187 if( $this->doWatch() ) {
2188 $wgOut->setPagetitle( wfMsg( 'addedwatch' ) );
2189 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2190 $wgOut->addWikiMsg( 'addedwatchtext', $this->mTitle
->getPrefixedText() );
2192 $wgOut->returnToMain( true, $this->mTitle
->getPrefixedText() );
2196 * Add this page to $wgUser's watchlist
2197 * @return bool true on successful watch operation
2199 public function doWatch() {
2201 if( $wgUser->isAnon() ) {
2204 if( wfRunHooks('WatchArticle', array(&$wgUser, &$this)) ) {
2205 $wgUser->addWatch( $this->mTitle
);
2206 return wfRunHooks('WatchArticleComplete', array(&$wgUser, &$this));
2212 * User interface handler for the "unwatch" action.
2214 public function unwatch() {
2215 global $wgUser, $wgOut;
2216 if( $wgUser->isAnon() ) {
2217 $wgOut->showErrorPage( 'watchnologin', 'watchnologintext' );
2220 if( wfReadOnly() ) {
2221 $wgOut->readOnlyPage();
2224 if( $this->doUnwatch() ) {
2225 $wgOut->setPagetitle( wfMsg( 'removedwatch' ) );
2226 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2227 $wgOut->addWikiMsg( 'removedwatchtext', $this->mTitle
->getPrefixedText() );
2229 $wgOut->returnToMain( true, $this->mTitle
->getPrefixedText() );
2233 * Stop watching a page
2234 * @return bool true on successful unwatch
2236 public function doUnwatch() {
2238 if( $wgUser->isAnon() ) {
2241 if( wfRunHooks('UnwatchArticle', array(&$wgUser, &$this)) ) {
2242 $wgUser->removeWatch( $this->mTitle
);
2243 return wfRunHooks('UnwatchArticleComplete', array(&$wgUser, &$this));
2249 * action=protect handler
2251 public function protect() {
2252 $form = new ProtectionForm( $this );
2257 * action=unprotect handler (alias)
2259 public function unprotect() {
2264 * Update the article's restriction field, and leave a log entry.
2266 * @param $limit Array: set of restriction keys
2267 * @param $reason String
2268 * @param &$cascade Integer. Set to false if cascading protection isn't allowed.
2269 * @param $expiry Array: per restriction type expiration
2270 * @return bool true on success
2272 public function updateRestrictions( $limit = array(), $reason = '', &$cascade = 0, $expiry = array() ) {
2273 global $wgUser, $wgContLang;
2275 $restrictionTypes = $this->mTitle
->getRestrictionTypes();
2277 $id = $this->mTitle
->getArticleID();
2279 wfDebug( "updateRestrictions failed: $id <= 0\n" );
2283 if ( wfReadOnly() ) {
2284 wfDebug( "updateRestrictions failed: read-only\n" );
2288 if ( !$this->mTitle
->userCan( 'protect' ) ) {
2289 wfDebug( "updateRestrictions failed: insufficient permissions\n" );
2297 // Take this opportunity to purge out expired restrictions
2298 Title
::purgeExpiredRestrictions();
2300 # FIXME: Same limitations as described in ProtectionForm.php (line 37);
2301 # we expect a single selection, but the schema allows otherwise.
2303 $updated = Article
::flattenRestrictions( $limit );
2305 foreach( $restrictionTypes as $action ) {
2306 if( isset( $expiry[$action] ) ) {
2307 # Get current restrictions on $action
2308 $aLimits = $this->mTitle
->getRestrictions( $action );
2309 $current[$action] = implode( '', $aLimits );
2310 # Are any actual restrictions being dealt with here?
2311 $aRChanged = count($aLimits) ||
!empty($limit[$action]);
2312 # If something changed, we need to log it. Checking $aRChanged
2313 # assures that "unprotecting" a page that is not protected does
2314 # not log just because the expiry was "changed".
2315 if( $aRChanged && $this->mTitle
->mRestrictionsExpiry
[$action] != $expiry[$action] ) {
2321 $current = Article
::flattenRestrictions( $current );
2323 $changed = ($changed ||
$current != $updated );
2324 $changed = $changed ||
($updated && $this->mTitle
->areRestrictionsCascading() != $cascade);
2325 $protect = ( $updated != '' );
2327 # If nothing's changed, do nothing
2329 if( wfRunHooks( 'ArticleProtect', array( &$this, &$wgUser, $limit, $reason ) ) ) {
2331 $dbw = wfGetDB( DB_MASTER
);
2333 # Prepare a null revision to be added to the history
2334 $modified = $current != '' && $protect;
2336 $comment_type = $modified ?
'modifiedarticleprotection' : 'protectedarticle';
2338 $comment_type = 'unprotectedarticle';
2340 $comment = $wgContLang->ucfirst( wfMsgForContent( $comment_type, $this->mTitle
->getPrefixedText() ) );
2342 # Only restrictions with the 'protect' right can cascade...
2343 # Otherwise, people who cannot normally protect can "protect" pages via transclusion
2344 $editrestriction = isset( $limit['edit'] ) ?
array( $limit['edit'] ) : $this->mTitle
->getRestrictions( 'edit' );
2345 # The schema allows multiple restrictions
2346 if(!in_array('protect', $editrestriction) && !in_array('sysop', $editrestriction))
2348 $cascade_description = '';
2350 $cascade_description = ' ['.wfMsgForContent('protect-summary-cascade').']';
2354 $comment .= ": $reason";
2356 $editComment = $comment;
2357 $encodedExpiry = array();
2358 $protect_description = '';
2359 foreach( $limit as $action => $restrictions ) {
2360 if ( !isset($expiry[$action]) )
2361 $expiry[$action] = 'infinite';
2363 $encodedExpiry[$action] = Block
::encodeExpiry($expiry[$action], $dbw );
2364 if( $restrictions != '' ) {
2365 $protect_description .= "[$action=$restrictions] (";
2366 if( $encodedExpiry[$action] != 'infinity' ) {
2367 $protect_description .= wfMsgForContent( 'protect-expiring',
2368 $wgContLang->timeanddate( $expiry[$action], false, false ) ,
2369 $wgContLang->date( $expiry[$action], false, false ) ,
2370 $wgContLang->time( $expiry[$action], false, false ) );
2372 $protect_description .= wfMsgForContent( 'protect-expiry-indefinite' );
2374 $protect_description .= ') ';
2377 $protect_description = trim($protect_description);
2379 if( $protect_description && $protect )
2380 $editComment .= " ($protect_description)";
2382 $editComment .= "$cascade_description";
2383 # Update restrictions table
2384 foreach( $limit as $action => $restrictions ) {
2385 if($restrictions != '' ) {
2386 $dbw->replace( 'page_restrictions', array(array('pr_page', 'pr_type')),
2387 array( 'pr_page' => $id,
2388 'pr_type' => $action,
2389 'pr_level' => $restrictions,
2390 'pr_cascade' => ($cascade && $action == 'edit') ?
1 : 0,
2391 'pr_expiry' => $encodedExpiry[$action] ), __METHOD__
);
2393 $dbw->delete( 'page_restrictions', array( 'pr_page' => $id,
2394 'pr_type' => $action ), __METHOD__
);
2398 # Insert a null revision
2399 $nullRevision = Revision
::newNullRevision( $dbw, $id, $editComment, true );
2400 $nullRevId = $nullRevision->insertOn( $dbw );
2402 $latest = $this->getLatest();
2403 # Update page record
2404 $dbw->update( 'page',
2406 'page_touched' => $dbw->timestamp(),
2407 'page_restrictions' => '',
2408 'page_latest' => $nullRevId
2409 ), array( /* WHERE */
2411 ), 'Article::protect'
2414 wfRunHooks( 'NewRevisionFromEditComplete', array($this, $nullRevision, $latest, $wgUser) );
2415 wfRunHooks( 'ArticleProtectComplete', array( &$this, &$wgUser, $limit, $reason ) );
2417 # Update the protection log
2418 $log = new LogPage( 'protect' );
2420 $params = array($protect_description,$cascade ?
'cascade' : '');
2421 $log->addEntry( $modified ?
'modify' : 'protect', $this->mTitle
, trim( $reason), $params );
2423 $log->addEntry( 'unprotect', $this->mTitle
, $reason );
2427 } # End "changed" check
2433 * Take an array of page restrictions and flatten it to a string
2434 * suitable for insertion into the page_restrictions field.
2435 * @param $limit Array
2438 protected static function flattenRestrictions( $limit ) {
2439 if( !is_array( $limit ) ) {
2440 throw new MWException( 'Article::flattenRestrictions given non-array restriction set' );
2444 foreach( $limit as $action => $restrictions ) {
2445 if( $restrictions != '' ) {
2446 $bits[] = "$action=$restrictions";
2449 return implode( ':', $bits );
2453 * Auto-generates a deletion reason
2454 * @param &$hasHistory Boolean: whether the page has a history
2456 public function generateReason( &$hasHistory ) {
2458 $dbw = wfGetDB( DB_MASTER
);
2459 // Get the last revision
2460 $rev = Revision
::newFromTitle( $this->mTitle
);
2461 if( is_null( $rev ) )
2464 // Get the article's contents
2465 $contents = $rev->getText();
2467 // If the page is blank, use the text from the previous revision,
2468 // which can only be blank if there's a move/import/protect dummy revision involved
2469 if( $contents == '' ) {
2470 $prev = $rev->getPrevious();
2472 $contents = $prev->getText();
2477 // Find out if there was only one contributor
2478 // Only scan the last 20 revisions
2479 $res = $dbw->select( 'revision', 'rev_user_text',
2480 array( 'rev_page' => $this->getID(), $dbw->bitAnd('rev_deleted', Revision
::DELETED_USER
) . ' = 0' ),
2482 array( 'LIMIT' => 20 )
2484 if( $res === false )
2485 // This page has no revisions, which is very weird
2488 $hasHistory = ( $res->numRows() > 1 );
2489 $row = $dbw->fetchObject( $res );
2490 $onlyAuthor = $row->rev_user_text
;
2491 // Try to find a second contributor
2492 foreach( $res as $row ) {
2493 if( $row->rev_user_text
!= $onlyAuthor ) {
2494 $onlyAuthor = false;
2498 $dbw->freeResult( $res );
2500 // Generate the summary with a '$1' placeholder
2502 // The current revision is blank and the one before is also
2503 // blank. It's just not our lucky day
2504 $reason = wfMsgForContent( 'exbeforeblank', '$1' );
2507 $reason = wfMsgForContent( 'excontentauthor', '$1', $onlyAuthor );
2509 $reason = wfMsgForContent( 'excontent', '$1' );
2512 if( $reason == '-' ) {
2513 // Allow these UI messages to be blanked out cleanly
2517 // Replace newlines with spaces to prevent uglyness
2518 $contents = preg_replace( "/[\n\r]/", ' ', $contents );
2519 // Calculate the maximum amount of chars to get
2520 // Max content length = max comment length - length of the comment (excl. $1) - '...'
2521 $maxLength = 255 - (strlen( $reason ) - 2) - 3;
2522 $contents = $wgContLang->truncate( $contents, $maxLength );
2523 // Remove possible unfinished links
2524 $contents = preg_replace( '/\[\[([^\]]*)\]?$/', '$1', $contents );
2525 // Now replace the '$1' placeholder
2526 $reason = str_replace( '$1', $contents, $reason );
2532 * UI entry point for page deletion
2534 public function delete() {
2535 global $wgUser, $wgOut, $wgRequest;
2537 $confirm = $wgRequest->wasPosted() &&
2538 $wgUser->matchEditToken( $wgRequest->getVal( 'wpEditToken' ) );
2540 $this->DeleteReasonList
= $wgRequest->getText( 'wpDeleteReasonList', 'other' );
2541 $this->DeleteReason
= $wgRequest->getText( 'wpReason' );
2543 $reason = $this->DeleteReasonList
;
2545 if( $reason != 'other' && $this->DeleteReason
!= '' ) {
2546 // Entry from drop down menu + additional comment
2547 $reason .= wfMsgForContent( 'colon-separator' ) . $this->DeleteReason
;
2548 } elseif( $reason == 'other' ) {
2549 $reason = $this->DeleteReason
;
2551 # Flag to hide all contents of the archived revisions
2552 $suppress = $wgRequest->getVal( 'wpSuppress' ) && $wgUser->isAllowed( 'suppressrevision' );
2554 # This code desperately needs to be totally rewritten
2556 # Read-only check...
2557 if( wfReadOnly() ) {
2558 $wgOut->readOnlyPage();
2563 $permission_errors = $this->mTitle
->getUserPermissionsErrors( 'delete', $wgUser );
2565 if( count( $permission_errors ) > 0 ) {
2566 $wgOut->showPermissionsErrorPage( $permission_errors );
2570 $wgOut->setPagetitle( wfMsg( 'delete-confirm', $this->mTitle
->getPrefixedText() ) );
2572 # Better double-check that it hasn't been deleted yet!
2573 $dbw = wfGetDB( DB_MASTER
);
2574 $conds = $this->mTitle
->pageCond();
2575 $latest = $dbw->selectField( 'page', 'page_latest', $conds, __METHOD__
);
2576 if( $latest === false ) {
2577 $wgOut->showFatalError(
2580 array( 'class' => 'error mw-error-cannotdelete' ),
2581 wfMsgExt( 'cannotdelete', array( 'parse' ), $this->mTitle
->getPrefixedText() )
2584 $wgOut->addHTML( Xml
::element( 'h2', null, LogPage
::logName( 'delete' ) ) );
2585 LogEventsList
::showLogExtract(
2588 $this->mTitle
->getPrefixedText()
2593 # Hack for big sites
2594 $bigHistory = $this->isBigDeletion();
2595 if( $bigHistory && !$this->mTitle
->userCan( 'bigdelete' ) ) {
2596 global $wgLang, $wgDeleteRevisionsLimit;
2597 $wgOut->wrapWikiMsg( "<div class='error'>\n$1</div>\n",
2598 array( 'delete-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
2603 $this->doDelete( $reason, $suppress );
2604 if( $wgRequest->getCheck( 'wpWatch' ) && $wgUser->isLoggedIn() ) {
2606 } elseif( $this->mTitle
->userIsWatching() ) {
2612 // Generate deletion reason
2613 $hasHistory = false;
2614 if( !$reason ) $reason = $this->generateReason($hasHistory);
2616 // If the page has a history, insert a warning
2617 if( $hasHistory && !$confirm ) {
2619 $skin = $wgUser->getSkin();
2620 $revisions = $this->estimateRevisionCount();
2621 $wgOut->addHTML( '<strong class="mw-delete-warning-revisions">' .
2622 wfMsgExt( 'historywarning', array( 'parseinline' ), $wgLang->formatNum( $revisions ) ) .
2623 wfMsgHtml( 'word-separator' ) . $skin->historyLink() .
2627 global $wgDeleteRevisionsLimit;
2628 $wgOut->wrapWikiMsg( "<div class='error'>\n$1</div>\n",
2629 array( 'delete-warning-toobig', $wgLang->formatNum( $wgDeleteRevisionsLimit ) ) );
2633 return $this->confirmDelete( $reason );
2637 * @return bool whether or not the page surpasses $wgDeleteRevisionsLimit revisions
2639 public function isBigDeletion() {
2640 global $wgDeleteRevisionsLimit;
2641 if( $wgDeleteRevisionsLimit ) {
2642 $revCount = $this->estimateRevisionCount();
2643 return $revCount > $wgDeleteRevisionsLimit;
2649 * @return int approximate revision count
2651 public function estimateRevisionCount() {
2652 $dbr = wfGetDB( DB_SLAVE
);
2653 // For an exact count...
2654 //return $dbr->selectField( 'revision', 'COUNT(*)',
2655 // array( 'rev_page' => $this->getId() ), __METHOD__ );
2656 return $dbr->estimateRowCount( 'revision', '*',
2657 array( 'rev_page' => $this->getId() ), __METHOD__
);
2661 * Get the last N authors
2662 * @param $num Integer: number of revisions to get
2663 * @param $revLatest String: the latest rev_id, selected from the master (optional)
2664 * @return array Array of authors, duplicates not removed
2666 public function getLastNAuthors( $num, $revLatest = 0 ) {
2667 wfProfileIn( __METHOD__
);
2668 // First try the slave
2669 // If that doesn't have the latest revision, try the master
2671 $db = wfGetDB( DB_SLAVE
);
2673 $res = $db->select( array( 'page', 'revision' ),
2674 array( 'rev_id', 'rev_user_text' ),
2676 'page_namespace' => $this->mTitle
->getNamespace(),
2677 'page_title' => $this->mTitle
->getDBkey(),
2678 'rev_page = page_id'
2679 ), __METHOD__
, $this->getSelectOptions( array(
2680 'ORDER BY' => 'rev_timestamp DESC',
2685 wfProfileOut( __METHOD__
);
2688 $row = $db->fetchObject( $res );
2689 if( $continue == 2 && $revLatest && $row->rev_id
!= $revLatest ) {
2690 $db = wfGetDB( DB_MASTER
);
2695 } while ( $continue );
2697 $authors = array( $row->rev_user_text
);
2698 while ( $row = $db->fetchObject( $res ) ) {
2699 $authors[] = $row->rev_user_text
;
2701 wfProfileOut( __METHOD__
);
2706 * Output deletion confirmation dialog
2707 * @param $reason String: prefilled reason
2709 public function confirmDelete( $reason ) {
2710 global $wgOut, $wgUser;
2712 wfDebug( "Article::confirmDelete\n" );
2714 $deleteBackLink = $wgUser->getSkin()->link(
2719 array( 'known', 'noclasses' )
2721 $wgOut->setSubtitle( wfMsgHtml( 'delete-backlink', $deleteBackLink ) );
2722 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2723 $wgOut->addWikiMsg( 'confirmdeletetext' );
2725 wfRunHooks( 'ArticleConfirmDelete', array( $this, $wgOut, &$reason ) );
2727 if( $wgUser->isAllowed( 'suppressrevision' ) ) {
2728 $suppress = "<tr id=\"wpDeleteSuppressRow\" name=\"wpDeleteSuppressRow\">
2730 <td class='mw-input'><strong>" .
2731 Xml
::checkLabel( wfMsg( 'revdelete-suppress' ),
2732 'wpSuppress', 'wpSuppress', false, array( 'tabindex' => '4' ) ) .
2738 $checkWatch = $wgUser->getBoolOption( 'watchdeletion' ) ||
$this->mTitle
->userIsWatching();
2740 $form = Xml
::openElement( 'form', array( 'method' => 'post',
2741 'action' => $this->mTitle
->getLocalURL( 'action=delete' ), 'id' => 'deleteconfirm' ) ) .
2742 Xml
::openElement( 'fieldset', array( 'id' => 'mw-delete-table' ) ) .
2743 Xml
::tags( 'legend', null, wfMsgExt( 'delete-legend', array( 'parsemag', 'escapenoentities' ) ) ) .
2744 Xml
::openElement( 'table', array( 'id' => 'mw-deleteconfirm-table' ) ) .
2745 "<tr id=\"wpDeleteReasonListRow\">
2746 <td class='mw-label'>" .
2747 Xml
::label( wfMsg( 'deletecomment' ), 'wpDeleteReasonList' ) .
2749 <td class='mw-input'>" .
2750 Xml
::listDropDown( 'wpDeleteReasonList',
2751 wfMsgForContent( 'deletereason-dropdown' ),
2752 wfMsgForContent( 'deletereasonotherlist' ), '', 'wpReasonDropDown', 1 ) .
2755 <tr id=\"wpDeleteReasonRow\">
2756 <td class='mw-label'>" .
2757 Xml
::label( wfMsg( 'deleteotherreason' ), 'wpReason' ) .
2759 <td class='mw-input'>" .
2760 Html
::input( 'wpReason', $reason, 'text', array(
2762 'maxlength' => '255',
2769 # Dissalow watching is user is not logged in
2770 if( $wgUser->isLoggedIn() ) {
2774 <td class='mw-input'>" .
2775 Xml
::checkLabel( wfMsg( 'watchthis' ),
2776 'wpWatch', 'wpWatch', $checkWatch, array( 'tabindex' => '3' ) ) .
2784 <td class='mw-submit'>" .
2785 Xml
::submitButton( wfMsg( 'deletepage' ),
2786 array( 'name' => 'wpConfirmB', 'id' => 'wpConfirmB', 'tabindex' => '5' ) ) .
2789 Xml
::closeElement( 'table' ) .
2790 Xml
::closeElement( 'fieldset' ) .
2791 Xml
::hidden( 'wpEditToken', $wgUser->editToken() ) .
2792 Xml
::closeElement( 'form' );
2794 if( $wgUser->isAllowed( 'editinterface' ) ) {
2795 $skin = $wgUser->getSkin();
2796 $title = Title
::makeTitle( NS_MEDIAWIKI
, 'Deletereason-dropdown' );
2797 $link = $skin->link(
2799 wfMsgHtml( 'delete-edit-reasonlist' ),
2801 array( 'action' => 'edit' )
2803 $form .= '<p class="mw-delete-editreasons">' . $link . '</p>';
2806 $wgOut->addHTML( $form );
2807 $wgOut->addHTML( Xml
::element( 'h2', null, LogPage
::logName( 'delete' ) ) );
2808 LogEventsList
::showLogExtract(
2811 $this->mTitle
->getPrefixedText()
2816 * Perform a deletion and output success or failure messages
2818 public function doDelete( $reason, $suppress = false ) {
2819 global $wgOut, $wgUser;
2820 $id = $this->mTitle
->getArticleID( GAID_FOR_UPDATE
);
2823 if( wfRunHooks('ArticleDelete', array(&$this, &$wgUser, &$reason, &$error)) ) {
2824 if( $this->doDeleteArticle( $reason, $suppress, $id ) ) {
2825 $deleted = $this->mTitle
->getPrefixedText();
2827 $wgOut->setPagetitle( wfMsg( 'actioncomplete' ) );
2828 $wgOut->setRobotPolicy( 'noindex,nofollow' );
2830 $loglink = '[[Special:Log/delete|' . wfMsgNoTrans( 'deletionlog' ) . ']]';
2832 $wgOut->addWikiMsg( 'deletedtext', $deleted, $loglink );
2833 $wgOut->returnToMain( false );
2834 wfRunHooks('ArticleDeleteComplete', array(&$this, &$wgUser, $reason, $id));
2837 if( $error == '' ) {
2838 $wgOut->showFatalError(
2841 array( 'class' => 'error mw-error-cannotdelete' ),
2842 wfMsgExt( 'cannotdelete', array( 'parse' ), $this->mTitle
->getPrefixedText() )
2845 $wgOut->addHTML( Xml
::element( 'h2', null, LogPage
::logName( 'delete' ) ) );
2846 LogEventsList
::showLogExtract(
2849 $this->mTitle
->getPrefixedText()
2852 $wgOut->showFatalError( $error );
2858 * Back-end article deletion
2859 * Deletes the article with database consistency, writes logs, purges caches
2862 public function doDeleteArticle( $reason, $suppress = false, $id = 0 ) {
2863 global $wgUseSquid, $wgDeferredUpdateList;
2864 global $wgUseTrackbacks;
2866 wfDebug( __METHOD__
."\n" );
2868 $dbw = wfGetDB( DB_MASTER
);
2869 $ns = $this->mTitle
->getNamespace();
2870 $t = $this->mTitle
->getDBkey();
2871 $id = $id ?
$id : $this->mTitle
->getArticleID( GAID_FOR_UPDATE
);
2873 if( $t == '' ||
$id == 0 ) {
2877 $u = new SiteStatsUpdate( 0, 1, -(int)$this->isCountable( $this->getRawText() ), -1 );
2878 array_push( $wgDeferredUpdateList, $u );
2880 // Bitfields to further suppress the content
2883 // This should be 15...
2884 $bitfield |
= Revision
::DELETED_TEXT
;
2885 $bitfield |
= Revision
::DELETED_COMMENT
;
2886 $bitfield |
= Revision
::DELETED_USER
;
2887 $bitfield |
= Revision
::DELETED_RESTRICTED
;
2889 $bitfield = 'rev_deleted';
2893 // For now, shunt the revision data into the archive table.
2894 // Text is *not* removed from the text table; bulk storage
2895 // is left intact to avoid breaking block-compression or
2896 // immutable storage schemes.
2898 // For backwards compatibility, note that some older archive
2899 // table entries will have ar_text and ar_flags fields still.
2901 // In the future, we may keep revisions and mark them with
2902 // the rev_deleted field, which is reserved for this purpose.
2903 $dbw->insertSelect( 'archive', array( 'page', 'revision' ),
2905 'ar_namespace' => 'page_namespace',
2906 'ar_title' => 'page_title',
2907 'ar_comment' => 'rev_comment',
2908 'ar_user' => 'rev_user',
2909 'ar_user_text' => 'rev_user_text',
2910 'ar_timestamp' => 'rev_timestamp',
2911 'ar_minor_edit' => 'rev_minor_edit',
2912 'ar_rev_id' => 'rev_id',
2913 'ar_text_id' => 'rev_text_id',
2914 'ar_text' => '\'\'', // Be explicit to appease
2915 'ar_flags' => '\'\'', // MySQL's "strict mode"...
2916 'ar_len' => 'rev_len',
2917 'ar_page_id' => 'page_id',
2918 'ar_deleted' => $bitfield
2921 'page_id = rev_page'
2925 # Delete restrictions for it
2926 $dbw->delete( 'page_restrictions', array ( 'pr_page' => $id ), __METHOD__
);
2928 # Now that it's safely backed up, delete it
2929 $dbw->delete( 'page', array( 'page_id' => $id ), __METHOD__
);
2930 $ok = ( $dbw->affectedRows() > 0 ); // getArticleId() uses slave, could be laggy
2936 # Fix category table counts
2938 $res = $dbw->select( 'categorylinks', 'cl_to', array( 'cl_from' => $id ), __METHOD__
);
2939 foreach( $res as $row ) {
2940 $cats []= $row->cl_to
;
2942 $this->updateCategoryCounts( array(), $cats );
2944 # If using cascading deletes, we can skip some explicit deletes
2945 if( !$dbw->cascadingDeletes() ) {
2946 $dbw->delete( 'revision', array( 'rev_page' => $id ), __METHOD__
);
2948 if($wgUseTrackbacks)
2949 $dbw->delete( 'trackbacks', array( 'tb_page' => $id ), __METHOD__
);
2951 # Delete outgoing links
2952 $dbw->delete( 'pagelinks', array( 'pl_from' => $id ) );
2953 $dbw->delete( 'imagelinks', array( 'il_from' => $id ) );
2954 $dbw->delete( 'categorylinks', array( 'cl_from' => $id ) );
2955 $dbw->delete( 'templatelinks', array( 'tl_from' => $id ) );
2956 $dbw->delete( 'externallinks', array( 'el_from' => $id ) );
2957 $dbw->delete( 'langlinks', array( 'll_from' => $id ) );
2958 $dbw->delete( 'redirect', array( 'rd_from' => $id ) );
2961 # If using cleanup triggers, we can skip some manual deletes
2962 if( !$dbw->cleanupTriggers() ) {
2963 # Clean up recentchanges entries...
2964 $dbw->delete( 'recentchanges',
2965 array( 'rc_type != '.RC_LOG
,
2966 'rc_namespace' => $this->mTitle
->getNamespace(),
2967 'rc_title' => $this->mTitle
->getDBkey() ),
2969 $dbw->delete( 'recentchanges',
2970 array( 'rc_type != '.RC_LOG
, 'rc_cur_id' => $id ),
2975 Article
::onArticleDelete( $this->mTitle
);
2977 # Clear the cached article id so the interface doesn't act like we exist
2978 $this->mTitle
->resetArticleID( 0 );
2980 # Log the deletion, if the page was suppressed, log it at Oversight instead
2981 $logtype = $suppress ?
'suppress' : 'delete';
2982 $log = new LogPage( $logtype );
2984 # Make sure logging got through
2985 $log->addEntry( 'delete', $this->mTitle
, $reason, array() );
2993 * Roll back the most recent consecutive set of edits to a page
2994 * from the same user; fails if there are no eligible edits to
2995 * roll back to, e.g. user is the sole contributor. This function
2996 * performs permissions checks on $wgUser, then calls commitRollback()
2997 * to do the dirty work
2999 * @param $fromP String: Name of the user whose edits to rollback.
3000 * @param $summary String: Custom summary. Set to default summary if empty.
3001 * @param $token String: Rollback token.
3002 * @param $bot Boolean: If true, mark all reverted edits as bot.
3004 * @param $resultDetails Array: contains result-specific array of additional values
3005 * 'alreadyrolled' : 'current' (rev)
3006 * success : 'summary' (str), 'current' (rev), 'target' (rev)
3008 * @return array of errors, each error formatted as
3009 * array(messagekey, param1, param2, ...).
3010 * On success, the array is empty. This array can also be passed to
3011 * OutputPage::showPermissionsErrorPage().
3013 public function doRollback( $fromP, $summary, $token, $bot, &$resultDetails ) {
3015 $resultDetails = null;
3018 $editErrors = $this->mTitle
->getUserPermissionsErrors( 'edit', $wgUser );
3019 $rollbackErrors = $this->mTitle
->getUserPermissionsErrors( 'rollback', $wgUser );
3020 $errors = array_merge( $editErrors, wfArrayDiff2( $rollbackErrors, $editErrors ) );
3022 if( !$wgUser->matchEditToken( $token, array( $this->mTitle
->getPrefixedText(), $fromP ) ) )
3023 $errors[] = array( 'sessionfailure' );
3025 if( $wgUser->pingLimiter( 'rollback' ) ||
$wgUser->pingLimiter() ) {
3026 $errors[] = array( 'actionthrottledtext' );
3028 # If there were errors, bail out now
3029 if( !empty( $errors ) )
3032 return $this->commitRollback($fromP, $summary, $bot, $resultDetails);
3036 * Backend implementation of doRollback(), please refer there for parameter
3037 * and return value documentation
3039 * NOTE: This function does NOT check ANY permissions, it just commits the
3040 * rollback to the DB Therefore, you should only call this function direct-
3041 * ly if you want to use custom permissions checks. If you don't, use
3042 * doRollback() instead.
3044 public function commitRollback($fromP, $summary, $bot, &$resultDetails) {
3045 global $wgUseRCPatrol, $wgUser, $wgLang;
3046 $dbw = wfGetDB( DB_MASTER
);
3048 if( wfReadOnly() ) {
3049 return array( array( 'readonlytext' ) );
3052 # Get the last editor
3053 $current = Revision
::newFromTitle( $this->mTitle
);
3054 if( is_null( $current ) ) {
3055 # Something wrong... no page?
3056 return array(array('notanarticle'));
3059 $from = str_replace( '_', ' ', $fromP );
3060 # User name given should match up with the top revision.
3061 # If the user was deleted then $from should be empty.
3062 if( $from != $current->getUserText() ) {
3063 $resultDetails = array( 'current' => $current );
3064 return array(array('alreadyrolled',
3065 htmlspecialchars($this->mTitle
->getPrefixedText()),
3066 htmlspecialchars($fromP),
3067 htmlspecialchars($current->getUserText())
3071 # Get the last edit not by this guy...
3072 # Note: these may not be public values
3073 $user = intval( $current->getRawUser() );
3074 $user_text = $dbw->addQuotes( $current->getRawUserText() );
3075 $s = $dbw->selectRow( 'revision',
3076 array( 'rev_id', 'rev_timestamp', 'rev_deleted' ),
3077 array( 'rev_page' => $current->getPage(),
3078 "rev_user != {$user} OR rev_user_text != {$user_text}"
3080 array( 'USE INDEX' => 'page_timestamp',
3081 'ORDER BY' => 'rev_timestamp DESC' )
3083 if( $s === false ) {
3084 # No one else ever edited this page
3085 return array(array('cantrollback'));
3086 } else if( $s->rev_deleted
& REVISION
::DELETED_TEXT ||
$s->rev_deleted
& REVISION
::DELETED_USER
) {
3087 # Only admins can see this text
3088 return array(array('notvisiblerev'));
3092 if( $bot && $wgUser->isAllowed('markbotedits') ) {
3093 # Mark all reverted edits as bot
3096 if( $wgUseRCPatrol ) {
3097 # Mark all reverted edits as patrolled
3098 $set['rc_patrolled'] = 1;
3102 $dbw->update( 'recentchanges', $set,
3104 'rc_cur_id' => $current->getPage(),
3105 'rc_user_text' => $current->getUserText(),
3106 "rc_timestamp > '{$s->rev_timestamp}'",
3111 # Generate the edit summary if necessary
3112 $target = Revision
::newFromId( $s->rev_id
);
3113 if( empty( $summary ) ) {
3114 if( $from == '' ) { // no public user name
3115 $summary = wfMsgForContent( 'revertpage-nouser' );
3117 $summary = wfMsgForContent( 'revertpage' );
3121 # Allow the custom summary to use the same args as the default message
3123 $target->getUserText(), $from, $s->rev_id
,
3124 $wgLang->timeanddate(wfTimestamp(TS_MW
, $s->rev_timestamp
), true),
3125 $current->getId(), $wgLang->timeanddate($current->getTimestamp())
3127 $summary = wfMsgReplaceArgs( $summary, $args );
3130 $flags = EDIT_UPDATE
;
3132 if( $wgUser->isAllowed('minoredit') )
3133 $flags |
= EDIT_MINOR
;
3135 if( $bot && ($wgUser->isAllowed('markbotedits') ||
$wgUser->isAllowed('bot')) )
3136 $flags |
= EDIT_FORCE_BOT
;
3137 # Actually store the edit
3138 $status = $this->doEdit( $target->getText(), $summary, $flags, $target->getId() );
3139 if( !empty( $status->value
['revision'] ) ) {
3140 $revId = $status->value
['revision']->getId();
3145 wfRunHooks( 'ArticleRollbackComplete', array( $this, $wgUser, $target, $current ) );
3147 $resultDetails = array(
3148 'summary' => $summary,
3149 'current' => $current,
3150 'target' => $target,
3157 * User interface for rollback operations
3159 public function rollback() {
3160 global $wgUser, $wgOut, $wgRequest, $wgUseRCPatrol;
3163 $result = $this->doRollback(
3164 $wgRequest->getVal( 'from' ),
3165 $wgRequest->getText( 'summary' ),
3166 $wgRequest->getVal( 'token' ),
3167 $wgRequest->getBool( 'bot' ),
3171 if( in_array( array( 'actionthrottledtext' ), $result ) ) {
3172 $wgOut->rateLimited();
3175 if( isset( $result[0][0] ) && ( $result[0][0] == 'alreadyrolled' ||
$result[0][0] == 'cantrollback' ) ) {
3176 $wgOut->setPageTitle( wfMsg( 'rollbackfailed' ) );
3177 $errArray = $result[0];
3178 $errMsg = array_shift( $errArray );
3179 $wgOut->addWikiMsgArray( $errMsg, $errArray );
3180 if( isset( $details['current'] ) ){
3181 $current = $details['current'];
3182 if( $current->getComment() != '' ) {
3183 $wgOut->addWikiMsgArray( 'editcomment', array(
3184 $wgUser->getSkin()->formatComment( $current->getComment() ) ), array( 'replaceafter' ) );
3189 # Display permissions errors before read-only message -- there's no
3190 # point in misleading the user into thinking the inability to rollback
3191 # is only temporary.
3192 if( !empty( $result ) && $result !== array( array( 'readonlytext' ) ) ) {
3193 # array_diff is completely broken for arrays of arrays, sigh. Re-
3194 # move any 'readonlytext' error manually.
3196 foreach( $result as $error ) {
3197 if( $error != array( 'readonlytext' ) ) {
3201 $wgOut->showPermissionsErrorPage( $out );
3204 if( $result == array( array( 'readonlytext' ) ) ) {
3205 $wgOut->readOnlyPage();
3209 $current = $details['current'];
3210 $target = $details['target'];
3211 $newId = $details['newid'];
3212 $wgOut->setPageTitle( wfMsg( 'actioncomplete' ) );
3213 $wgOut->setRobotPolicy( 'noindex,nofollow' );
3214 if ( $current->getUserText() === '' ) {
3215 $old = wfMsg( 'rev-deleted-user' );
3217 $old = $wgUser->getSkin()->userLink( $current->getUser(), $current->getUserText() )
3218 . $wgUser->getSkin()->userToolLinks( $current->getUser(), $current->getUserText() );
3220 $new = $wgUser->getSkin()->userLink( $target->getUser(), $target->getUserText() )
3221 . $wgUser->getSkin()->userToolLinks( $target->getUser(), $target->getUserText() );
3222 $wgOut->addHTML( wfMsgExt( 'rollback-success', array( 'parse', 'replaceafter' ), $old, $new ) );
3223 $wgOut->returnToMain( false, $this->mTitle
);
3225 if( !$wgRequest->getBool( 'hidediff', false ) && !$wgUser->getBoolOption( 'norollbackdiff', false ) ) {
3226 $de = new DifferenceEngine( $this->mTitle
, $current->getId(), $newId, false, true );
3227 $de->showDiff( '', '' );
3233 * Do standard deferred updates after page view
3235 public function viewUpdates() {
3236 global $wgDeferredUpdateList, $wgDisableCounters, $wgUser;
3237 if ( wfReadOnly() ) {
3240 # Don't update page view counters on views from bot users (bug 14044)
3241 if( !$wgDisableCounters && !$wgUser->isAllowed('bot') && $this->getID() ) {
3242 Article
::incViewCount( $this->getID() );
3243 $u = new SiteStatsUpdate( 1, 0, 0 );
3244 array_push( $wgDeferredUpdateList, $u );
3246 # Update newtalk / watchlist notification status
3247 $wgUser->clearNotification( $this->mTitle
);
3251 * Prepare text which is about to be saved.
3252 * Returns a stdclass with source, pst and output members
3254 public function prepareTextForEdit( $text, $revid=null ) {
3255 if( $this->mPreparedEdit
&& $this->mPreparedEdit
->newText
== $text && $this->mPreparedEdit
->revid
== $revid) {
3257 return $this->mPreparedEdit
;
3260 $edit = (object)array();
3261 $edit->revid
= $revid;
3262 $edit->newText
= $text;
3263 $edit->pst
= $this->preSaveTransform( $text );
3264 $options = $this->getParserOptions();
3265 $edit->output
= $wgParser->parse( $edit->pst
, $this->mTitle
, $options, true, true, $revid );
3266 $edit->oldText
= $this->getContent();
3267 $this->mPreparedEdit
= $edit;
3272 * Do standard deferred updates after page edit.
3273 * Update links tables, site stats, search index and message cache.
3274 * Purges pages that include this page if the text was changed here.
3275 * Every 100th edit, prune the recent changes table.
3278 * @param $text New text of the article
3279 * @param $summary Edit summary
3280 * @param $minoredit Minor edit
3281 * @param $timestamp_of_pagechange Timestamp associated with the page change
3282 * @param $newid rev_id value of the new revision
3283 * @param $changed Whether or not the content actually changed
3285 public function editUpdates( $text, $summary, $minoredit, $timestamp_of_pagechange, $newid, $changed = true ) {
3286 global $wgDeferredUpdateList, $wgMessageCache, $wgUser, $wgEnableParserCache;
3288 wfProfileIn( __METHOD__
);
3291 # Be careful not to double-PST: $text is usually already PST-ed once
3292 if( !$this->mPreparedEdit ||
$this->mPreparedEdit
->output
->getFlag( 'vary-revision' ) ) {
3293 wfDebug( __METHOD__
. ": No prepared edit or vary-revision is set...\n" );
3294 $editInfo = $this->prepareTextForEdit( $text, $newid );
3296 wfDebug( __METHOD__
. ": No vary-revision, using prepared edit...\n" );
3297 $editInfo = $this->mPreparedEdit
;
3300 # Save it to the parser cache
3301 if( $wgEnableParserCache ) {
3302 $popts = $this->getParserOptions();
3303 $parserCache = ParserCache
::singleton();
3304 $parserCache->save( $editInfo->output
, $this, $popts );
3307 # Update the links tables
3308 $u = new LinksUpdate( $this->mTitle
, $editInfo->output
);
3311 wfRunHooks( 'ArticleEditUpdates', array( &$this, &$editInfo, $changed ) );
3313 if( wfRunHooks( 'ArticleEditUpdatesDeleteFromRecentchanges', array( &$this ) ) ) {
3314 if( 0 == mt_rand( 0, 99 ) ) {
3315 // Flush old entries from the `recentchanges` table; we do this on
3316 // random requests so as to avoid an increase in writes for no good reason
3318 $dbw = wfGetDB( DB_MASTER
);
3319 $cutoff = $dbw->timestamp( time() - $wgRCMaxAge );
3320 $recentchanges = $dbw->tableName( 'recentchanges' );
3321 $sql = "DELETE FROM $recentchanges WHERE rc_timestamp < '{$cutoff}'";
3322 $dbw->query( $sql );
3326 $id = $this->getID();
3327 $title = $this->mTitle
->getPrefixedDBkey();
3328 $shortTitle = $this->mTitle
->getDBkey();
3331 wfProfileOut( __METHOD__
);
3335 $u = new SiteStatsUpdate( 0, 1, $this->mGoodAdjustment
, $this->mTotalAdjustment
);
3336 array_push( $wgDeferredUpdateList, $u );
3337 $u = new SearchUpdate( $id, $title, $text );
3338 array_push( $wgDeferredUpdateList, $u );
3340 # If this is another user's talk page, update newtalk
3341 # Don't do this if $changed = false otherwise some idiot can null-edit a
3342 # load of user talk pages and piss people off, nor if it's a minor edit
3343 # by a properly-flagged bot.
3344 if( $this->mTitle
->getNamespace() == NS_USER_TALK
&& $shortTitle != $wgUser->getTitleKey() && $changed
3345 && !( $minoredit && $wgUser->isAllowed( 'nominornewtalk' ) ) ) {
3346 if( wfRunHooks('ArticleEditUpdateNewTalk', array( &$this ) ) ) {
3347 $other = User
::newFromName( $shortTitle, false );
3349 wfDebug( __METHOD__
.": invalid username\n" );
3350 } elseif( User
::isIP( $shortTitle ) ) {
3351 // An anonymous user
3352 $other->setNewtalk( true );
3353 } elseif( $other->isLoggedIn() ) {
3354 $other->setNewtalk( true );
3356 wfDebug( __METHOD__
. ": don't need to notify a nonexistent user\n" );
3361 if( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
3362 $wgMessageCache->replace( $shortTitle, $text );
3365 wfProfileOut( __METHOD__
);
3369 * Perform article updates on a special page creation.
3371 * @param $rev Revision object
3373 * @todo This is a shitty interface function. Kill it and replace the
3374 * other shitty functions like editUpdates and such so it's not needed
3377 public function createUpdates( $rev ) {
3378 $this->mGoodAdjustment
= $this->isCountable( $rev->getText() );
3379 $this->mTotalAdjustment
= 1;
3380 $this->editUpdates( $rev->getText(), $rev->getComment(),
3381 $rev->isMinor(), wfTimestamp(), $rev->getId(), true );
3385 * Generate the navigation links when browsing through an article revisions
3386 * It shows the information as:
3387 * Revision as of \<date\>; view current revision
3388 * \<- Previous version | Next Version -\>
3390 * @param $oldid String: revision ID of this article revision
3392 public function setOldSubtitle( $oldid = 0 ) {
3393 global $wgLang, $wgOut, $wgUser, $wgRequest;
3395 if( !wfRunHooks( 'DisplayOldSubtitle', array( &$this, &$oldid ) ) ) {
3399 $unhide = $wgRequest->getInt('unhide') == 1 &&
3400 $wgUser->matchEditToken( $wgRequest->getVal('token'), $oldid );
3401 # Cascade unhide param in links for easy deletion browsing
3402 $extraParams = array();
3403 if( $wgRequest->getVal('unhide') ) {
3404 $extraParams['unhide'] = 1;
3406 $revision = Revision
::newFromId( $oldid );
3408 $current = ( $oldid == $this->mLatest
);
3409 $td = $wgLang->timeanddate( $this->mTimestamp
, true );
3410 $tddate = $wgLang->date( $this->mTimestamp
, true );
3411 $tdtime = $wgLang->time( $this->mTimestamp
, true );
3412 $sk = $wgUser->getSkin();
3414 ?
wfMsgHtml( 'currentrevisionlink' )
3417 wfMsgHtml( 'currentrevisionlink' ),
3420 array( 'known', 'noclasses' )
3423 ?
wfMsgHtml( 'diff' )
3426 wfMsgHtml( 'diff' ),
3432 array( 'known', 'noclasses' )
3434 $prev = $this->mTitle
->getPreviousRevisionID( $oldid ) ;
3438 wfMsgHtml( 'previousrevision' ),
3441 'direction' => 'prev',
3444 array( 'known', 'noclasses' )
3446 : wfMsgHtml( 'previousrevision' );
3450 wfMsgHtml( 'diff' ),
3456 array( 'known', 'noclasses' )
3458 : wfMsgHtml( 'diff' );
3459 $nextlink = $current
3460 ?
wfMsgHtml( 'nextrevision' )
3463 wfMsgHtml( 'nextrevision' ),
3466 'direction' => 'next',
3469 array( 'known', 'noclasses' )
3471 $nextdiff = $current
3472 ?
wfMsgHtml( 'diff' )
3475 wfMsgHtml( 'diff' ),
3481 array( 'known', 'noclasses' )
3485 // User can delete revisions or view deleted revisions...
3486 $canHide = $wgUser->isAllowed( 'deleterevision' );
3487 if( $canHide ||
($revision->getVisibility() && $wgUser->isAllowed('deletedhistory')) ) {
3488 if( !$revision->userCan( Revision
::DELETED_RESTRICTED
) ) {
3489 $cdel = $sk->revDeleteLinkDisabled( $canHide ); // rev was hidden from Sysops
3492 'type' => 'revision',
3493 'target' => $this->mTitle
->getPrefixedDbkey(),
3496 $cdel = $sk->revDeleteLink( $query, $revision->isDeleted(File
::DELETED_RESTRICTED
), $canHide );
3501 # Show user links if allowed to see them. If hidden, then show them only if requested...
3502 $userlinks = $sk->revUserTools( $revision, !$unhide );
3504 $m = wfMsg( 'revision-info-current' );
3505 $infomsg = $current && !wfEmptyMsg( 'revision-info-current', $m ) && $m != '-'
3506 ?
'revision-info-current'
3509 $r = "\n\t\t\t\t<div id=\"mw-{$infomsg}\">" .
3512 array( 'parseinline', 'replaceafter' ),
3518 $revision->getUser()
3521 "\n\t\t\t\t<div id=\"mw-revision-nav\">" . $cdel . wfMsgExt( 'revision-nav', array( 'escapenoentities', 'parsemag', 'replaceafter' ),
3522 $prevdiff, $prevlink, $lnk, $curdiff, $nextlink, $nextdiff ) . "</div>\n\t\t\t";
3523 $wgOut->setSubtitle( $r );
3527 * This function is called right before saving the wikitext,
3528 * so we can do things like signatures and links-in-context.
3530 * @param $text String
3532 public function preSaveTransform( $text ) {
3533 global $wgParser, $wgUser;
3534 return $wgParser->preSaveTransform( $text, $this->mTitle
, $wgUser, ParserOptions
::newFromUser( $wgUser ) );
3537 /* Caching functions */
3540 * checkLastModified returns true if it has taken care of all
3541 * output to the client that is necessary for this request.
3542 * (that is, it has sent a cached version of the page)
3544 protected function tryFileCache() {
3545 static $called = false;
3547 wfDebug( "Article::tryFileCache(): called twice!?\n" );
3551 if( $this->isFileCacheable() ) {
3552 $cache = new HTMLFileCache( $this->mTitle
);
3553 if( $cache->isFileCacheGood( $this->mTouched
) ) {
3554 wfDebug( "Article::tryFileCache(): about to load file\n" );
3555 $cache->loadFromFileCache();
3558 wfDebug( "Article::tryFileCache(): starting buffer\n" );
3559 ob_start( array(&$cache, 'saveToFileCache' ) );
3562 wfDebug( "Article::tryFileCache(): not cacheable\n" );
3568 * Check if the page can be cached
3571 public function isFileCacheable() {
3573 if( HTMLFileCache
::useFileCache() ) {
3574 $cacheable = $this->getID() && !$this->mRedirectedFrom
;
3575 // Extension may have reason to disable file caching on some pages.
3577 $cacheable = wfRunHooks( 'IsFileCacheable', array( &$this ) );
3584 * Loads page_touched and returns a value indicating if it should be used
3587 public function checkTouched() {
3588 if( !$this->mDataLoaded
) {
3589 $this->loadPageData();
3591 return !$this->mIsRedirect
;
3595 * Get the page_touched field
3597 public function getTouched() {
3598 # Ensure that page data has been loaded
3599 if( !$this->mDataLoaded
) {
3600 $this->loadPageData();
3602 return $this->mTouched
;
3606 * Get the page_latest field
3608 public function getLatest() {
3609 if( !$this->mDataLoaded
) {
3610 $this->loadPageData();
3612 return (int)$this->mLatest
;
3616 * Edit an article without doing all that other stuff
3617 * The article must already exist; link tables etc
3618 * are not updated, caches are not flushed.
3620 * @param $text String: text submitted
3621 * @param $comment String: comment submitted
3622 * @param $minor Boolean: whereas it's a minor modification
3624 public function quickEdit( $text, $comment = '', $minor = 0 ) {
3625 wfProfileIn( __METHOD__
);
3627 $dbw = wfGetDB( DB_MASTER
);
3628 $revision = new Revision( array(
3629 'page' => $this->getId(),
3631 'comment' => $comment,
3632 'minor_edit' => $minor ?
1 : 0,
3634 $revision->insertOn( $dbw );
3635 $this->updateRevisionOn( $dbw, $revision );
3637 wfRunHooks( 'NewRevisionFromEditComplete', array($this, $revision, false, $wgUser) );
3639 wfProfileOut( __METHOD__
);
3643 * Used to increment the view counter
3645 * @param $id Integer: article id
3647 public static function incViewCount( $id ) {
3648 $id = intval( $id );
3649 global $wgHitcounterUpdateFreq;
3651 $dbw = wfGetDB( DB_MASTER
);
3652 $pageTable = $dbw->tableName( 'page' );
3653 $hitcounterTable = $dbw->tableName( 'hitcounter' );
3654 $acchitsTable = $dbw->tableName( 'acchits' );
3656 if( $wgHitcounterUpdateFreq <= 1 ) {
3657 $dbw->query( "UPDATE $pageTable SET page_counter = page_counter + 1 WHERE page_id = $id" );
3661 # Not important enough to warrant an error page in case of failure
3662 $oldignore = $dbw->ignoreErrors( true );
3664 $dbw->query( "INSERT INTO $hitcounterTable (hc_id) VALUES ({$id})" );
3666 $checkfreq = intval( $wgHitcounterUpdateFreq/25 +
1 );
3667 if( (rand() %
$checkfreq != 0) or ($dbw->lastErrno() != 0) ){
3668 # Most of the time (or on SQL errors), skip row count check
3669 $dbw->ignoreErrors( $oldignore );
3673 $res = $dbw->query("SELECT COUNT(*) as n FROM $hitcounterTable");
3674 $row = $dbw->fetchObject( $res );
3675 $rown = intval( $row->n
);
3676 if( $rown >= $wgHitcounterUpdateFreq ){
3677 wfProfileIn( 'Article::incViewCount-collect' );
3678 $old_user_abort = ignore_user_abort( true );
3680 $dbType = $dbw->getType();
3681 $dbw->lockTables( array(), array( 'hitcounter' ), __METHOD__
, false );
3682 $tabletype = $dbType == 'mysql' ?
"ENGINE=HEAP " : '';
3683 $dbw->query( "CREATE TEMPORARY TABLE $acchitsTable $tabletype AS ".
3684 "SELECT hc_id,COUNT(*) AS hc_n FROM $hitcounterTable ".
3685 'GROUP BY hc_id', __METHOD__
);
3686 $dbw->delete( 'hitcounter', '*', __METHOD__
);
3687 $dbw->unlockTables( __METHOD__
);
3688 if( $dbType == 'mysql' ) {
3689 $dbw->query( "UPDATE $pageTable,$acchitsTable SET page_counter=page_counter + hc_n ".
3690 'WHERE page_id = hc_id', __METHOD__
);
3693 $dbw->query( "UPDATE $pageTable SET page_counter=page_counter + hc_n ".
3694 "FROM $acchitsTable WHERE page_id = hc_id", __METHOD__
);
3696 $dbw->query( "DROP TABLE $acchitsTable", __METHOD__
);
3698 ignore_user_abort( $old_user_abort );
3699 wfProfileOut( 'Article::incViewCount-collect' );
3701 $dbw->ignoreErrors( $oldignore );
3705 * The onArticle*() functions are supposed to be a kind of hooks
3706 * which should be called whenever any of the specified actions
3709 * This is a good place to put code to clear caches, for instance.
3711 * This is called on page move and undelete, as well as edit
3713 * @param $title a title object
3715 public static function onArticleCreate( $title ) {
3716 # Update existence markers on article/talk tabs...
3717 if( $title->isTalkPage() ) {
3718 $other = $title->getSubjectPage();
3720 $other = $title->getTalkPage();
3722 $other->invalidateCache();
3723 $other->purgeSquid();
3725 $title->touchLinks();
3726 $title->purgeSquid();
3727 $title->deleteTitleProtection();
3730 public static function onArticleDelete( $title ) {
3731 global $wgMessageCache;
3732 # Update existence markers on article/talk tabs...
3733 if( $title->isTalkPage() ) {
3734 $other = $title->getSubjectPage();
3736 $other = $title->getTalkPage();
3738 $other->invalidateCache();
3739 $other->purgeSquid();
3741 $title->touchLinks();
3742 $title->purgeSquid();
3745 HTMLFileCache
::clearFileCache( $title );
3748 if( $title->getNamespace() == NS_MEDIAWIKI
) {
3749 $wgMessageCache->replace( $title->getDBkey(), false );
3752 if( $title->getNamespace() == NS_FILE
) {
3753 $update = new HTMLCacheUpdate( $title, 'imagelinks' );
3754 $update->doUpdate();
3757 if( $title->getNamespace() == NS_USER_TALK
) {
3758 $user = User
::newFromName( $title->getText(), false );
3759 $user->setNewtalk( false );
3762 RepoGroup
::singleton()->getLocalRepo()->invalidateImageRedirect( $title );
3766 * Purge caches on page update etc
3768 public static function onArticleEdit( $title, $flags = '' ) {
3769 global $wgDeferredUpdateList;
3771 // Invalidate caches of articles which include this page
3772 $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'templatelinks' );
3774 // Invalidate the caches of all pages which redirect here
3775 $wgDeferredUpdateList[] = new HTMLCacheUpdate( $title, 'redirect' );
3777 # Purge squid for this page only
3778 $title->purgeSquid();
3780 # Clear file cache for this page only
3781 HTMLFileCache
::clearFileCache( $title );
3787 * Overriden by ImagePage class, only present here to avoid a fatal error
3788 * Called for ?action=revert
3790 public function revert() {
3792 $wgOut->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
3796 * Info about this page
3797 * Called for ?action=info when $wgAllowPageInfo is on.
3799 public function info() {
3800 global $wgLang, $wgOut, $wgAllowPageInfo, $wgUser;
3802 if( !$wgAllowPageInfo ) {
3803 $wgOut->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
3807 $page = $this->mTitle
->getSubjectPage();
3809 $wgOut->setPagetitle( $page->getPrefixedText() );
3810 $wgOut->setPageTitleActionText( wfMsg( 'info_short' ) );
3811 $wgOut->setSubtitle( wfMsgHtml( 'infosubtitle' ) );
3813 if( !$this->mTitle
->exists() ) {
3814 $wgOut->addHTML( '<div class="noarticletext">' );
3815 if( $this->mTitle
->getNamespace() == NS_MEDIAWIKI
) {
3816 // This doesn't quite make sense; the user is asking for
3817 // information about the _page_, not the message... -- RC
3818 $wgOut->addHTML( htmlspecialchars( wfMsgWeirdKey( $this->mTitle
->getText() ) ) );
3820 $msg = $wgUser->isLoggedIn()
3822 : 'noarticletextanon';
3823 $wgOut->addHTML( wfMsgExt( $msg, 'parse' ) );
3825 $wgOut->addHTML( '</div>' );
3827 $dbr = wfGetDB( DB_SLAVE
);
3829 'wl_title' => $page->getDBkey(),
3830 'wl_namespace' => $page->getNamespace() );
3831 $numwatchers = $dbr->selectField(
3836 $this->getSelectOptions() );
3838 $pageInfo = $this->pageCountInfo( $page );
3839 $talkInfo = $this->pageCountInfo( $page->getTalkPage() );
3841 $wgOut->addHTML( "<ul><li>" . wfMsg("numwatchers", $wgLang->formatNum( $numwatchers ) ) . '</li>' );
3842 $wgOut->addHTML( "<li>" . wfMsg('numedits', $wgLang->formatNum( $pageInfo['edits'] ) ) . '</li>');
3844 $wgOut->addHTML( '<li>' . wfMsg("numtalkedits", $wgLang->formatNum( $talkInfo['edits'] ) ) . '</li>');
3846 $wgOut->addHTML( '<li>' . wfMsg("numauthors", $wgLang->formatNum( $pageInfo['authors'] ) ) . '</li>' );
3848 $wgOut->addHTML( '<li>' . wfMsg('numtalkauthors', $wgLang->formatNum( $talkInfo['authors'] ) ) . '</li>' );
3850 $wgOut->addHTML( '</ul>' );
3855 * Return the total number of edits and number of unique editors
3856 * on a given page. If page does not exist, returns false.
3858 * @param $title Title object
3861 public function pageCountInfo( $title ) {
3862 $id = $title->getArticleId();
3866 $dbr = wfGetDB( DB_SLAVE
);
3867 $rev_clause = array( 'rev_page' => $id );
3868 $edits = $dbr->selectField(
3873 $this->getSelectOptions()
3875 $authors = $dbr->selectField(
3877 'COUNT(DISTINCT rev_user_text)',
3880 $this->getSelectOptions()
3882 return array( 'edits' => $edits, 'authors' => $authors );
3886 * Return a list of templates used by this article.
3887 * Uses the templatelinks table
3889 * @return Array of Title objects
3891 public function getUsedTemplates() {
3893 $id = $this->mTitle
->getArticleID();
3897 $dbr = wfGetDB( DB_SLAVE
);
3898 $res = $dbr->select( array( 'templatelinks' ),
3899 array( 'tl_namespace', 'tl_title' ),
3900 array( 'tl_from' => $id ),
3902 if( $res !== false ) {
3903 foreach( $res as $row ) {
3904 $result[] = Title
::makeTitle( $row->tl_namespace
, $row->tl_title
);
3907 $dbr->freeResult( $res );
3912 * Returns a list of hidden categories this page is a member of.
3913 * Uses the page_props and categorylinks tables.
3915 * @return Array of Title objects
3917 public function getHiddenCategories() {
3919 $id = $this->mTitle
->getArticleID();
3923 $dbr = wfGetDB( DB_SLAVE
);
3924 $res = $dbr->select( array( 'categorylinks', 'page_props', 'page' ),
3926 array( 'cl_from' => $id, 'pp_page=page_id', 'pp_propname' => 'hiddencat',
3927 'page_namespace' => NS_CATEGORY
, 'page_title=cl_to'),
3929 if( $res !== false ) {
3930 foreach( $res as $row ) {
3931 $result[] = Title
::makeTitle( NS_CATEGORY
, $row->cl_to
);
3934 $dbr->freeResult( $res );
3939 * Return an applicable autosummary if one exists for the given edit.
3940 * @param $oldtext String: the previous text of the page.
3941 * @param $newtext String: The submitted text of the page.
3942 * @param $flags Bitmask: a bitmask of flags submitted for the edit.
3943 * @return string An appropriate autosummary, or an empty string.
3945 public static function getAutosummary( $oldtext, $newtext, $flags ) {
3946 # Decide what kind of autosummary is needed.
3948 # Redirect autosummaries
3949 $ot = Title
::newFromRedirect( $oldtext );
3950 $rt = Title
::newFromRedirect( $newtext );
3951 if( is_object( $rt ) && ( !is_object( $ot ) ||
!$rt->equals( $ot ) ||
$ot->getFragment() != $rt->getFragment() ) ) {
3952 return wfMsgForContent( 'autoredircomment', $rt->getFullText() );
3955 # New page autosummaries
3956 if( $flags & EDIT_NEW
&& strlen( $newtext ) ) {
3957 # If they're making a new article, give its text, truncated, in the summary.
3959 $truncatedtext = $wgContLang->truncate(
3960 str_replace("\n", ' ', $newtext),
3961 max( 0, 200 - strlen( wfMsgForContent( 'autosumm-new' ) ) ) );
3962 return wfMsgForContent( 'autosumm-new', $truncatedtext );
3965 # Blanking autosummaries
3966 if( $oldtext != '' && $newtext == '' ) {
3967 return wfMsgForContent( 'autosumm-blank' );
3968 } elseif( strlen( $oldtext ) > 10 * strlen( $newtext ) && strlen( $newtext ) < 500) {
3969 # Removing more than 90% of the article
3971 $truncatedtext = $wgContLang->truncate(
3973 max( 0, 200 - strlen( wfMsgForContent( 'autosumm-replace' ) ) ) );
3974 return wfMsgForContent( 'autosumm-replace', $truncatedtext );
3977 # If we reach this point, there's no applicable autosummary for our case, so our
3978 # autosummary is empty.
3983 * Add the primary page-view wikitext to the output buffer
3984 * Saves the text into the parser cache if possible.
3985 * Updates templatelinks if it is out of date.
3987 * @param $text String
3988 * @param $cache Boolean
3990 public function outputWikiText( $text, $cache = true, $parserOptions = false ) {
3993 $this->mParserOutput
= $this->getOutputFromWikitext( $text, $cache, $parserOptions );
3994 $wgOut->addParserOutput( $this->mParserOutput
);
3998 * This does all the heavy lifting for outputWikitext, except it returns the parser
3999 * output instead of sending it straight to $wgOut. Makes things nice and simple for,
4000 * say, embedding thread pages within a discussion system (LiquidThreads)
4002 public function getOutputFromWikitext( $text, $cache = true, $parserOptions = false ) {
4003 global $wgParser, $wgOut, $wgEnableParserCache, $wgUseFileCache;
4005 if ( !$parserOptions ) {
4006 $parserOptions = $this->getParserOptions();
4010 $this->mParserOutput
= $wgParser->parse( $text, $this->mTitle
,
4011 $parserOptions, true, true, $this->getRevIdFetched() );
4016 wfDebugLog( 'slow-parse', sprintf( "%-5.2f %s", $time,
4017 $this->mTitle
->getPrefixedDBkey()));
4020 if( $wgEnableParserCache && $cache && $this && $this->mParserOutput
->getCacheTime() != -1 ) {
4021 $parserCache = ParserCache
::singleton();
4022 $parserCache->save( $this->mParserOutput
, $this, $parserOptions );
4024 // Make sure file cache is not used on uncacheable content.
4025 // Output that has magic words in it can still use the parser cache
4026 // (if enabled), though it will generally expire sooner.
4027 if( $this->mParserOutput
->getCacheTime() == -1 ||
$this->mParserOutput
->containsOldMagic() ) {
4028 $wgUseFileCache = false;
4030 $this->doCascadeProtectionUpdates( $this->mParserOutput
);
4031 return $this->mParserOutput
;
4035 * Get parser options suitable for rendering the primary article wikitext
4037 public function getParserOptions() {
4039 if ( !$this->mParserOptions
) {
4040 $this->mParserOptions
= new ParserOptions( $wgUser );
4041 $this->mParserOptions
->setTidy( true );
4042 $this->mParserOptions
->enableLimitReport();
4044 return $this->mParserOptions
;
4047 protected function doCascadeProtectionUpdates( $parserOutput ) {
4048 if( !$this->isCurrent() ||
wfReadOnly() ||
!$this->mTitle
->areRestrictionsCascading() ) {
4052 // templatelinks table may have become out of sync,
4053 // especially if using variable-based transclusions.
4054 // For paranoia, check if things have changed and if
4055 // so apply updates to the database. This will ensure
4056 // that cascaded protections apply as soon as the changes
4059 # Get templates from templatelinks
4060 $id = $this->mTitle
->getArticleID();
4062 $tlTemplates = array();
4064 $dbr = wfGetDB( DB_SLAVE
);
4065 $res = $dbr->select( array( 'templatelinks' ),
4066 array( 'tl_namespace', 'tl_title' ),
4067 array( 'tl_from' => $id ),
4071 foreach( $res as $row ) {
4072 $tlTemplates["{$row->tl_namespace}:{$row->tl_title}"] = true;
4075 # Get templates from parser output.
4076 $poTemplates = array();
4077 foreach ( $parserOutput->getTemplates() as $ns => $templates ) {
4078 foreach ( $templates as $dbk => $id ) {
4079 $poTemplates["$ns:$dbk"] = true;
4084 # Note that we simulate array_diff_key in PHP <5.0.x
4085 $templates_diff = array_diff_key( $poTemplates, $tlTemplates );
4087 if( count( $templates_diff ) > 0 ) {
4088 # Whee, link updates time.
4089 $u = new LinksUpdate( $this->mTitle
, $parserOutput, false );
4095 * Update all the appropriate counts in the category table, given that
4096 * we've added the categories $added and deleted the categories $deleted.
4098 * @param $added array The names of categories that were added
4099 * @param $deleted array The names of categories that were deleted
4102 public function updateCategoryCounts( $added, $deleted ) {
4103 $ns = $this->mTitle
->getNamespace();
4104 $dbw = wfGetDB( DB_MASTER
);
4106 # First make sure the rows exist. If one of the "deleted" ones didn't
4107 # exist, we might legitimately not create it, but it's simpler to just
4108 # create it and then give it a negative value, since the value is bogus
4111 # Sometimes I wish we had INSERT ... ON DUPLICATE KEY UPDATE.
4112 $insertCats = array_merge( $added, $deleted );
4113 if( !$insertCats ) {
4114 # Okay, nothing to do
4117 $insertRows = array();
4118 foreach( $insertCats as $cat ) {
4119 $insertRows[] = array(
4120 'cat_id' => $dbw->nextSequenceValue( 'category_cat_id_seq' ),
4124 $dbw->insert( 'category', $insertRows, __METHOD__
, 'IGNORE' );
4126 $addFields = array( 'cat_pages = cat_pages + 1' );
4127 $removeFields = array( 'cat_pages = cat_pages - 1' );
4128 if( $ns == NS_CATEGORY
) {
4129 $addFields[] = 'cat_subcats = cat_subcats + 1';
4130 $removeFields[] = 'cat_subcats = cat_subcats - 1';
4131 } elseif( $ns == NS_FILE
) {
4132 $addFields[] = 'cat_files = cat_files + 1';
4133 $removeFields[] = 'cat_files = cat_files - 1';
4140 array( 'cat_title' => $added ),
4148 array( 'cat_title' => $deleted ),
4154 /** Lightweight method to get the parser output for a page, checking the parser cache
4155 * and so on. Doesn't consider most of the stuff that Article::view is forced to
4156 * consider, so it's not appropriate to use there.
4158 function getParserOutput( $oldid = null ) {
4159 global $wgEnableParserCache, $wgUser, $wgOut;
4161 // Should the parser cache be used?
4162 $useParserCache = $wgEnableParserCache &&
4163 intval( $wgUser->getOption( 'stubthreshold' ) ) == 0 &&
4167 wfDebug( __METHOD__
.': using parser cache: ' . ( $useParserCache ?
'yes' : 'no' ) . "\n" );
4168 if ( $wgUser->getOption( 'stubthreshold' ) ) {
4169 wfIncrStats( 'pcache_miss_stub' );
4172 $parserOutput = false;
4173 if ( $useParserCache ) {
4174 $parserOutput = ParserCache
::singleton()->get( $this, $this->getParserOptions() );
4177 if ( $parserOutput === false ) {
4178 // Cache miss; parse and output it.
4179 $rev = Revision
::newFromTitle( $this->getTitle(), $oldid );
4181 return $this->getOutputFromWikitext( $rev->getText(), $useParserCache );
4183 return $parserOutput;