MediaWiki  master
Article.php
Go to the documentation of this file.
1 <?php
23 
35 class Article implements Page {
37  protected $mContext;
38 
40  protected $mPage;
41 
44 
49  public $mContent;
50 
56 
58  public $mContentLoaded = false;
59 
61  public $mOldId;
62 
64  public $mRedirectedFrom = null;
65 
67  public $mRedirectUrl = false;
68 
70  public $mRevIdFetched = 0;
71 
73  public $mRevision = null;
74 
77 
84 
90  public function __construct( Title $title, $oldId = null ) {
91  $this->mOldId = $oldId;
92  $this->mPage = $this->newPage( $title );
93  }
94 
99  protected function newPage( Title $title ) {
100  return new WikiPage( $title );
101  }
102 
108  public static function newFromID( $id ) {
109  $t = Title::newFromID( $id );
110  return $t == null ? null : new static( $t );
111  }
112 
120  public static function newFromTitle( $title, IContextSource $context ) {
121  if ( NS_MEDIA == $title->getNamespace() ) {
122  // FIXME: where should this go?
123  $title = Title::makeTitle( NS_FILE, $title->getDBkey() );
124  }
125 
126  $page = null;
127  Hooks::run( 'ArticleFromTitle', [ &$title, &$page, $context ] );
128  if ( !$page ) {
129  switch ( $title->getNamespace() ) {
130  case NS_FILE:
131  $page = new ImagePage( $title );
132  break;
133  case NS_CATEGORY:
134  $page = new CategoryPage( $title );
135  break;
136  default:
137  $page = new Article( $title );
138  }
139  }
140  $page->setContext( $context );
141 
142  return $page;
143  }
144 
152  public static function newFromWikiPage( WikiPage $page, IContextSource $context ) {
153  $article = self::newFromTitle( $page->getTitle(), $context );
154  $article->mPage = $page; // override to keep process cached vars
155  return $article;
156  }
157 
163  public function getRedirectedFrom() {
164  return $this->mRedirectedFrom;
165  }
166 
172  public function setRedirectedFrom( Title $from ) {
173  $this->mRedirectedFrom = $from;
174  }
175 
181  public function getTitle() {
182  return $this->mPage->getTitle();
183  }
184 
191  public function getPage() {
192  return $this->mPage;
193  }
194 
198  public function clear() {
199  $this->mContentLoaded = false;
200 
201  $this->mRedirectedFrom = null; # Title object if set
202  $this->mRevIdFetched = 0;
203  $this->mRedirectUrl = false;
204 
205  $this->mPage->clear();
206  }
207 
223  protected function getContentObject() {
224  if ( $this->mPage->getId() === 0 ) {
225  # If this is a MediaWiki:x message, then load the messages
226  # and return the message value for x.
227  if ( $this->getTitle()->getNamespace() == NS_MEDIAWIKI ) {
228  $text = $this->getTitle()->getDefaultMessageText();
229  if ( $text === false ) {
230  $text = '';
231  }
232 
233  $content = ContentHandler::makeContent( $text, $this->getTitle() );
234  } else {
235  $message = $this->getContext()->getUser()->isLoggedIn() ? 'noarticletext' : 'noarticletextanon';
236  $content = new MessageContent( $message, null, 'parsemag' );
237  }
238  } else {
239  $this->fetchContentObject();
240  $content = $this->mContentObject;
241  }
242 
243  return $content;
244  }
245 
249  public function getOldID() {
250  if ( is_null( $this->mOldId ) ) {
251  $this->mOldId = $this->getOldIDFromRequest();
252  }
253 
254  return $this->mOldId;
255  }
256 
262  public function getOldIDFromRequest() {
263  $this->mRedirectUrl = false;
264 
265  $request = $this->getContext()->getRequest();
266  $oldid = $request->getIntOrNull( 'oldid' );
267 
268  if ( $oldid === null ) {
269  return 0;
270  }
271 
272  if ( $oldid !== 0 ) {
273  # Load the given revision and check whether the page is another one.
274  # In that case, update this instance to reflect the change.
275  if ( $oldid === $this->mPage->getLatest() ) {
276  $this->mRevision = $this->mPage->getRevision();
277  } else {
278  $this->mRevision = Revision::newFromId( $oldid );
279  if ( $this->mRevision !== null ) {
280  // Revision title doesn't match the page title given?
281  if ( $this->mPage->getId() != $this->mRevision->getPage() ) {
282  $function = [ get_class( $this->mPage ), 'newFromID' ];
283  $this->mPage = call_user_func( $function, $this->mRevision->getPage() );
284  }
285  }
286  }
287  }
288 
289  if ( $request->getVal( 'direction' ) == 'next' ) {
290  $nextid = $this->getTitle()->getNextRevisionID( $oldid );
291  if ( $nextid ) {
292  $oldid = $nextid;
293  $this->mRevision = null;
294  } else {
295  $this->mRedirectUrl = $this->getTitle()->getFullURL( 'redirect=no' );
296  }
297  } elseif ( $request->getVal( 'direction' ) == 'prev' ) {
298  $previd = $this->getTitle()->getPreviousRevisionID( $oldid );
299  if ( $previd ) {
300  $oldid = $previd;
301  $this->mRevision = null;
302  }
303  }
304 
305  return $oldid;
306  }
307 
320  protected function fetchContentObject() {
321  if ( $this->mContentLoaded ) {
322  return $this->mContentObject;
323  }
324 
325  $this->mContentLoaded = true;
326  $this->mContent = null;
327 
328  $oldid = $this->getOldID();
329 
330  # Pre-fill content with error message so that if something
331  # fails we'll have something telling us what we intended.
332  // XXX: this isn't page content but a UI message. horrible.
333  $this->mContentObject = new MessageContent( 'missing-revision', [ $oldid ] );
334 
335  if ( $oldid ) {
336  # $this->mRevision might already be fetched by getOldIDFromRequest()
337  if ( !$this->mRevision ) {
338  $this->mRevision = Revision::newFromId( $oldid );
339  if ( !$this->mRevision ) {
340  wfDebug( __METHOD__ . " failed to retrieve specified revision, id $oldid\n" );
341  return false;
342  }
343  }
344  } else {
345  $oldid = $this->mPage->getLatest();
346  if ( !$oldid ) {
347  wfDebug( __METHOD__ . " failed to find page data for title " .
348  $this->getTitle()->getPrefixedText() . "\n" );
349  return false;
350  }
351 
352  # Update error message with correct oldid
353  $this->mContentObject = new MessageContent( 'missing-revision', [ $oldid ] );
354 
355  $this->mRevision = $this->mPage->getRevision();
356 
357  if ( !$this->mRevision ) {
358  wfDebug( __METHOD__ . " failed to retrieve current page, rev_id $oldid\n" );
359  return false;
360  }
361  }
362 
363  // @todo FIXME: Horrible, horrible! This content-loading interface just plain sucks.
364  // We should instead work with the Revision object when we need it...
365  // Loads if user is allowed
366  $content = $this->mRevision->getContent(
368  $this->getContext()->getUser()
369  );
370 
371  if ( !$content ) {
372  wfDebug( __METHOD__ . " failed to retrieve content of revision " .
373  $this->mRevision->getId() . "\n" );
374  return false;
375  }
376 
377  $this->mContentObject = $content;
378  $this->mRevIdFetched = $this->mRevision->getId();
379 
380  // Avoid PHP 7.1 warning of passing $this by reference
381  $articlePage = $this;
382 
383  Hooks::run(
384  'ArticleAfterFetchContentObject',
385  [ &$articlePage, &$this->mContentObject ]
386  );
387 
388  return $this->mContentObject;
389  }
390 
396  public function isCurrent() {
397  # If no oldid, this is the current version.
398  if ( $this->getOldID() == 0 ) {
399  return true;
400  }
401 
402  return $this->mPage->exists() && $this->mRevision && $this->mRevision->isCurrent();
403  }
404 
412  public function getRevisionFetched() {
413  $this->fetchContentObject();
414 
415  return $this->mRevision;
416  }
417 
423  public function getRevIdFetched() {
424  if ( $this->mRevIdFetched ) {
425  return $this->mRevIdFetched;
426  } else {
427  return $this->mPage->getLatest();
428  }
429  }
430 
435  public function view() {
436  global $wgUseFileCache, $wgDebugToolbar;
437 
438  # Get variables from query string
439  # As side effect this will load the revision and update the title
440  # in a revision ID is passed in the request, so this should remain
441  # the first call of this method even if $oldid is used way below.
442  $oldid = $this->getOldID();
443 
444  $user = $this->getContext()->getUser();
445  # Another whitelist check in case getOldID() is altering the title
446  $permErrors = $this->getTitle()->getUserPermissionsErrors( 'read', $user );
447  if ( count( $permErrors ) ) {
448  wfDebug( __METHOD__ . ": denied on secondary read check\n" );
449  throw new PermissionsError( 'read', $permErrors );
450  }
451 
452  $outputPage = $this->getContext()->getOutput();
453  # getOldID() may as well want us to redirect somewhere else
454  if ( $this->mRedirectUrl ) {
455  $outputPage->redirect( $this->mRedirectUrl );
456  wfDebug( __METHOD__ . ": redirecting due to oldid\n" );
457 
458  return;
459  }
460 
461  # If we got diff in the query, we want to see a diff page instead of the article.
462  if ( $this->getContext()->getRequest()->getCheck( 'diff' ) ) {
463  wfDebug( __METHOD__ . ": showing diff page\n" );
464  $this->showDiffPage();
465 
466  return;
467  }
468 
469  # Set page title (may be overridden by DISPLAYTITLE)
470  $outputPage->setPageTitle( $this->getTitle()->getPrefixedText() );
471 
472  $outputPage->setArticleFlag( true );
473  # Allow frames by default
474  $outputPage->allowClickjacking();
475 
476  $parserCache = MediaWikiServices::getInstance()->getParserCache();
477 
478  $parserOptions = $this->getParserOptions();
479  $poOptions = [];
480  # Render printable version, use printable version cache
481  if ( $outputPage->isPrintable() ) {
482  $parserOptions->setIsPrintable( true );
483  $poOptions['enableSectionEditLinks'] = false;
484  } elseif ( $this->disableSectionEditForRender
485  || !$this->isCurrent() || !$this->getTitle()->quickUserCan( 'edit', $user )
486  ) {
487  $poOptions['enableSectionEditLinks'] = false;
488  }
489 
490  # Try client and file cache
491  if ( !$wgDebugToolbar && $oldid === 0 && $this->mPage->checkTouched() ) {
492  # Try to stream the output from file cache
493  if ( $wgUseFileCache && $this->tryFileCache() ) {
494  wfDebug( __METHOD__ . ": done file cache\n" );
495  # tell wgOut that output is taken care of
496  $outputPage->disable();
497  $this->mPage->doViewUpdates( $user, $oldid );
498 
499  return;
500  }
501  }
502 
503  # Should the parser cache be used?
504  $useParserCache = $this->mPage->shouldCheckParserCache( $parserOptions, $oldid );
505  wfDebug( 'Article::view using parser cache: ' . ( $useParserCache ? 'yes' : 'no' ) . "\n" );
506  if ( $user->getStubThreshold() ) {
507  MediaWikiServices::getInstance()->getStatsdDataFactory()->increment( 'pcache_miss_stub' );
508  }
509 
510  $this->showRedirectedFromHeader();
511  $this->showNamespaceHeader();
512 
513  # Iterate through the possible ways of constructing the output text.
514  # Keep going until $outputDone is set, or we run out of things to do.
515  $pass = 0;
516  $outputDone = false;
517  $this->mParserOutput = false;
518 
519  while ( !$outputDone && ++$pass ) {
520  switch ( $pass ) {
521  case 1:
522  // Avoid PHP 7.1 warning of passing $this by reference
523  $articlePage = $this;
524  Hooks::run( 'ArticleViewHeader', [ &$articlePage, &$outputDone, &$useParserCache ] );
525  break;
526  case 2:
527  # Early abort if the page doesn't exist
528  if ( !$this->mPage->exists() ) {
529  wfDebug( __METHOD__ . ": showing missing article\n" );
530  $this->showMissingArticle();
531  $this->mPage->doViewUpdates( $user );
532  return;
533  }
534 
535  # Try the parser cache
536  if ( $useParserCache ) {
537  $this->mParserOutput = $parserCache->get( $this->mPage, $parserOptions );
538 
539  if ( $this->mParserOutput !== false ) {
540  if ( $oldid ) {
541  wfDebug( __METHOD__ . ": showing parser cache contents for current rev permalink\n" );
542  $this->setOldSubtitle( $oldid );
543  } else {
544  wfDebug( __METHOD__ . ": showing parser cache contents\n" );
545  }
546  $outputPage->addParserOutput( $this->mParserOutput, $poOptions );
547  # Ensure that UI elements requiring revision ID have
548  # the correct version information.
549  $outputPage->setRevisionId( $this->mPage->getLatest() );
550  # Preload timestamp to avoid a DB hit
551  $cachedTimestamp = $this->mParserOutput->getTimestamp();
552  if ( $cachedTimestamp !== null ) {
553  $outputPage->setRevisionTimestamp( $cachedTimestamp );
554  $this->mPage->setTimestamp( $cachedTimestamp );
555  }
556  $outputDone = true;
557  }
558  }
559  break;
560  case 3:
561  # This will set $this->mRevision if needed
562  $this->fetchContentObject();
563 
564  # Are we looking at an old revision
565  if ( $oldid && $this->mRevision ) {
566  $this->setOldSubtitle( $oldid );
567 
568  if ( !$this->showDeletedRevisionHeader() ) {
569  wfDebug( __METHOD__ . ": cannot view deleted revision\n" );
570  return;
571  }
572  }
573 
574  # Ensure that UI elements requiring revision ID have
575  # the correct version information.
576  $outputPage->setRevisionId( $this->getRevIdFetched() );
577  # Preload timestamp to avoid a DB hit
578  $outputPage->setRevisionTimestamp( $this->mPage->getTimestamp() );
579 
580  # Pages containing custom CSS or JavaScript get special treatment
581  if ( $this->getTitle()->isSiteConfigPage() || $this->getTitle()->isUserConfigPage() ) {
582  $dir = $this->getContext()->getLanguage()->getDir();
583  $lang = $this->getContext()->getLanguage()->getHtmlCode();
584 
585  $outputPage->wrapWikiMsg(
586  "<div id='mw-clearyourcache' lang='$lang' dir='$dir' class='mw-content-$dir'>\n$1\n</div>",
587  'clearyourcache'
588  );
589  } elseif ( !Hooks::run( 'ArticleContentViewCustom',
590  [ $this->fetchContentObject(), $this->getTitle(), $outputPage ] )
591  ) {
592  # Allow extensions do their own custom view for certain pages
593  $outputDone = true;
594  }
595  break;
596  case 4:
597  # Run the parse, protected by a pool counter
598  wfDebug( __METHOD__ . ": doing uncached parse\n" );
599 
600  $content = $this->getContentObject();
601  $poolArticleView = new PoolWorkArticleView( $this->getPage(), $parserOptions,
602  $this->getRevIdFetched(), $useParserCache, $content );
603 
604  if ( !$poolArticleView->execute() ) {
605  $error = $poolArticleView->getError();
606  if ( $error ) {
607  $outputPage->clearHTML(); // for release() errors
608  $outputPage->enableClientCache( false );
609  $outputPage->setRobotPolicy( 'noindex,nofollow' );
610 
611  $errortext = $error->getWikiText( false, 'view-pool-error' );
612  $outputPage->addWikiText( Html::errorBox( $errortext ) );
613  }
614  # Connection or timeout error
615  return;
616  }
617 
618  $this->mParserOutput = $poolArticleView->getParserOutput();
619  $outputPage->addParserOutput( $this->mParserOutput, $poOptions );
620  if ( $content->getRedirectTarget() ) {
621  $outputPage->addSubtitle( "<span id=\"redirectsub\">" .
622  $this->getContext()->msg( 'redirectpagesub' )->parse() . "</span>" );
623  }
624 
625  # Don't cache a dirty ParserOutput object
626  if ( $poolArticleView->getIsDirty() ) {
627  $outputPage->setCdnMaxage( 0 );
628  $outputPage->addHTML( "<!-- parser cache is expired, " .
629  "sending anyway due to pool overload-->\n" );
630  }
631 
632  $outputDone = true;
633  break;
634  # Should be unreachable, but just in case...
635  default:
636  break 2;
637  }
638  }
639 
640  # Get the ParserOutput actually *displayed* here.
641  # Note that $this->mParserOutput is the *current*/oldid version output.
642  $pOutput = ( $outputDone instanceof ParserOutput )
643  ? $outputDone // object fetched by hook
644  : $this->mParserOutput;
645 
646  # Adjust title for main page & pages with displaytitle
647  if ( $pOutput ) {
648  $this->adjustDisplayTitle( $pOutput );
649  }
650 
651  # For the main page, overwrite the <title> element with the con-
652  # tents of 'pagetitle-view-mainpage' instead of the default (if
653  # that's not empty).
654  # This message always exists because it is in the i18n files
655  if ( $this->getTitle()->isMainPage() ) {
656  $msg = wfMessage( 'pagetitle-view-mainpage' )->inContentLanguage();
657  if ( !$msg->isDisabled() ) {
658  $outputPage->setHTMLTitle( $msg->title( $this->getTitle() )->text() );
659  }
660  }
661 
662  # Use adaptive TTLs for CDN so delayed/failed purges are noticed less often.
663  # This could use getTouched(), but that could be scary for major template edits.
664  $outputPage->adaptCdnTTL( $this->mPage->getTimestamp(), IExpiringStore::TTL_DAY );
665 
666  # Check for any __NOINDEX__ tags on the page using $pOutput
667  $policy = $this->getRobotPolicy( 'view', $pOutput );
668  $outputPage->setIndexPolicy( $policy['index'] );
669  $outputPage->setFollowPolicy( $policy['follow'] );
670 
671  $this->showViewFooter();
672  $this->mPage->doViewUpdates( $user, $oldid );
673 
674  # Load the postEdit module if the user just saved this revision
675  # See also EditPage::setPostEditCookie
676  $request = $this->getContext()->getRequest();
678  $postEdit = $request->getCookie( $cookieKey );
679  if ( $postEdit ) {
680  # Clear the cookie. This also prevents caching of the response.
681  $request->response()->clearCookie( $cookieKey );
682  $outputPage->addJsConfigVars( 'wgPostEdit', $postEdit );
683  $outputPage->addModules( 'mediawiki.action.view.postEdit' );
684  }
685  }
686 
691  public function adjustDisplayTitle( ParserOutput $pOutput ) {
692  # Adjust the title if it was set by displaytitle, -{T|}- or language conversion
693  $titleText = $pOutput->getTitleText();
694  if ( strval( $titleText ) !== '' ) {
695  $this->getContext()->getOutput()->setPageTitle( $titleText );
696  }
697  }
698 
703  protected function showDiffPage() {
704  $request = $this->getContext()->getRequest();
705  $user = $this->getContext()->getUser();
706  $diff = $request->getVal( 'diff' );
707  $rcid = $request->getVal( 'rcid' );
708  $diffOnly = $request->getBool( 'diffonly', $user->getOption( 'diffonly' ) );
709  $purge = $request->getVal( 'action' ) == 'purge';
710  $unhide = $request->getInt( 'unhide' ) == 1;
711  $oldid = $this->getOldID();
712 
713  $rev = $this->getRevisionFetched();
714 
715  if ( !$rev ) {
716  $this->getContext()->getOutput()->setPageTitle( wfMessage( 'errorpagetitle' ) );
717  $msg = $this->getContext()->msg( 'difference-missing-revision' )
718  ->params( $oldid )
719  ->numParams( 1 )
720  ->parseAsBlock();
721  $this->getContext()->getOutput()->addHTML( $msg );
722  return;
723  }
724 
725  $contentHandler = $rev->getContentHandler();
726  $de = $contentHandler->createDifferenceEngine(
727  $this->getContext(),
728  $oldid,
729  $diff,
730  $rcid,
731  $purge,
732  $unhide
733  );
734 
735  // DifferenceEngine directly fetched the revision:
736  $this->mRevIdFetched = $de->mNewid;
737  $de->showDiffPage( $diffOnly );
738 
739  // Run view updates for the newer revision being diffed (and shown
740  // below the diff if not $diffOnly).
741  list( $old, $new ) = $de->mapDiffPrevNext( $oldid, $diff );
742  // New can be false, convert it to 0 - this conveniently means the latest revision
743  $this->mPage->doViewUpdates( $user, (int)$new );
744  }
745 
753  public function getRobotPolicy( $action, $pOutput = null ) {
754  global $wgArticleRobotPolicies, $wgNamespaceRobotPolicies, $wgDefaultRobotPolicy;
755 
756  $ns = $this->getTitle()->getNamespace();
757 
758  # Don't index user and user talk pages for blocked users (T13443)
759  if ( ( $ns == NS_USER || $ns == NS_USER_TALK ) && !$this->getTitle()->isSubpage() ) {
760  $specificTarget = null;
761  $vagueTarget = null;
762  $titleText = $this->getTitle()->getText();
763  if ( IP::isValid( $titleText ) ) {
764  $vagueTarget = $titleText;
765  } else {
766  $specificTarget = $titleText;
767  }
768  if ( Block::newFromTarget( $specificTarget, $vagueTarget ) instanceof Block ) {
769  return [
770  'index' => 'noindex',
771  'follow' => 'nofollow'
772  ];
773  }
774  }
775 
776  if ( $this->mPage->getId() === 0 || $this->getOldID() ) {
777  # Non-articles (special pages etc), and old revisions
778  return [
779  'index' => 'noindex',
780  'follow' => 'nofollow'
781  ];
782  } elseif ( $this->getContext()->getOutput()->isPrintable() ) {
783  # Discourage indexing of printable versions, but encourage following
784  return [
785  'index' => 'noindex',
786  'follow' => 'follow'
787  ];
788  } elseif ( $this->getContext()->getRequest()->getInt( 'curid' ) ) {
789  # For ?curid=x urls, disallow indexing
790  return [
791  'index' => 'noindex',
792  'follow' => 'follow'
793  ];
794  }
795 
796  # Otherwise, construct the policy based on the various config variables.
797  $policy = self::formatRobotPolicy( $wgDefaultRobotPolicy );
798 
799  if ( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
800  # Honour customised robot policies for this namespace
801  $policy = array_merge(
802  $policy,
803  self::formatRobotPolicy( $wgNamespaceRobotPolicies[$ns] )
804  );
805  }
806  if ( $this->getTitle()->canUseNoindex() && is_object( $pOutput ) && $pOutput->getIndexPolicy() ) {
807  # __INDEX__ and __NOINDEX__ magic words, if allowed. Incorporates
808  # a final sanity check that we have really got the parser output.
809  $policy = array_merge(
810  $policy,
811  [ 'index' => $pOutput->getIndexPolicy() ]
812  );
813  }
814 
815  if ( isset( $wgArticleRobotPolicies[$this->getTitle()->getPrefixedText()] ) ) {
816  # (T16900) site config can override user-defined __INDEX__ or __NOINDEX__
817  $policy = array_merge(
818  $policy,
819  self::formatRobotPolicy( $wgArticleRobotPolicies[$this->getTitle()->getPrefixedText()] )
820  );
821  }
822 
823  return $policy;
824  }
825 
833  public static function formatRobotPolicy( $policy ) {
834  if ( is_array( $policy ) ) {
835  return $policy;
836  } elseif ( !$policy ) {
837  return [];
838  }
839 
840  $policy = explode( ',', $policy );
841  $policy = array_map( 'trim', $policy );
842 
843  $arr = [];
844  foreach ( $policy as $var ) {
845  if ( in_array( $var, [ 'index', 'noindex' ] ) ) {
846  $arr['index'] = $var;
847  } elseif ( in_array( $var, [ 'follow', 'nofollow' ] ) ) {
848  $arr['follow'] = $var;
849  }
850  }
851 
852  return $arr;
853  }
854 
862  public function showRedirectedFromHeader() {
864 
865  $context = $this->getContext();
866  $outputPage = $context->getOutput();
867  $request = $context->getRequest();
868  $rdfrom = $request->getVal( 'rdfrom' );
869 
870  // Construct a URL for the current page view, but with the target title
871  $query = $request->getValues();
872  unset( $query['rdfrom'] );
873  unset( $query['title'] );
874  if ( $this->getTitle()->isRedirect() ) {
875  // Prevent double redirects
876  $query['redirect'] = 'no';
877  }
878  $redirectTargetUrl = $this->getTitle()->getLinkURL( $query );
879 
880  if ( isset( $this->mRedirectedFrom ) ) {
881  // Avoid PHP 7.1 warning of passing $this by reference
882  $articlePage = $this;
883 
884  // This is an internally redirected page view.
885  // We'll need a backlink to the source page for navigation.
886  if ( Hooks::run( 'ArticleViewRedirect', [ &$articlePage ] ) ) {
887  $redir = Linker::linkKnown(
888  $this->mRedirectedFrom,
889  null,
890  [],
891  [ 'redirect' => 'no' ]
892  );
893 
894  $outputPage->addSubtitle( "<span class=\"mw-redirectedfrom\">" .
895  $context->msg( 'redirectedfrom' )->rawParams( $redir )->parse()
896  . "</span>" );
897 
898  // Add the script to update the displayed URL and
899  // set the fragment if one was specified in the redirect
900  $outputPage->addJsConfigVars( [
901  'wgInternalRedirectTargetUrl' => $redirectTargetUrl,
902  ] );
903  $outputPage->addModules( 'mediawiki.action.view.redirect' );
904 
905  // Add a <link rel="canonical"> tag
906  $outputPage->setCanonicalUrl( $this->getTitle()->getCanonicalURL() );
907 
908  // Tell the output object that the user arrived at this article through a redirect
909  $outputPage->setRedirectedFrom( $this->mRedirectedFrom );
910 
911  return true;
912  }
913  } elseif ( $rdfrom ) {
914  // This is an externally redirected view, from some other wiki.
915  // If it was reported from a trusted site, supply a backlink.
916  if ( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
917  $redir = Linker::makeExternalLink( $rdfrom, $rdfrom );
918  $outputPage->addSubtitle( "<span class=\"mw-redirectedfrom\">" .
919  $context->msg( 'redirectedfrom' )->rawParams( $redir )->parse()
920  . "</span>" );
921 
922  // Add the script to update the displayed URL
923  $outputPage->addJsConfigVars( [
924  'wgInternalRedirectTargetUrl' => $redirectTargetUrl,
925  ] );
926  $outputPage->addModules( 'mediawiki.action.view.redirect' );
927 
928  return true;
929  }
930  }
931 
932  return false;
933  }
934 
939  public function showNamespaceHeader() {
940  if ( $this->getTitle()->isTalkPage() ) {
941  if ( !wfMessage( 'talkpageheader' )->isDisabled() ) {
942  $this->getContext()->getOutput()->wrapWikiMsg(
943  "<div class=\"mw-talkpageheader\">\n$1\n</div>",
944  [ 'talkpageheader' ]
945  );
946  }
947  }
948  }
949 
953  public function showViewFooter() {
954  # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
955  if ( $this->getTitle()->getNamespace() == NS_USER_TALK
956  && IP::isValid( $this->getTitle()->getText() )
957  ) {
958  $this->getContext()->getOutput()->addWikiMsg( 'anontalkpagetext' );
959  }
960 
961  // Show a footer allowing the user to patrol the shown revision or page if possible
962  $patrolFooterShown = $this->showPatrolFooter();
963 
964  Hooks::run( 'ArticleViewFooter', [ $this, $patrolFooterShown ] );
965  }
966 
976  public function showPatrolFooter() {
977  global $wgUseNPPatrol, $wgUseRCPatrol, $wgUseFilePatrol;
978 
979  $outputPage = $this->getContext()->getOutput();
980  $user = $this->getContext()->getUser();
981  $title = $this->getTitle();
982  $rc = false;
983 
984  if ( !$title->quickUserCan( 'patrol', $user )
985  || !( $wgUseRCPatrol || $wgUseNPPatrol
986  || ( $wgUseFilePatrol && $title->inNamespace( NS_FILE ) ) )
987  ) {
988  // Patrolling is disabled or the user isn't allowed to
989  return false;
990  }
991 
992  if ( $this->mRevision
993  && !RecentChange::isInRCLifespan( $this->mRevision->getTimestamp(), 21600 )
994  ) {
995  // The current revision is already older than what could be in the RC table
996  // 6h tolerance because the RC might not be cleaned out regularly
997  return false;
998  }
999 
1000  // Check for cached results
1001  $cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
1002  $key = $cache->makeKey( 'unpatrollable-page', $title->getArticleID() );
1003  if ( $cache->get( $key ) ) {
1004  return false;
1005  }
1006 
1007  $dbr = wfGetDB( DB_REPLICA );
1008  $oldestRevisionTimestamp = $dbr->selectField(
1009  'revision',
1010  'MIN( rev_timestamp )',
1011  [ 'rev_page' => $title->getArticleID() ],
1012  __METHOD__
1013  );
1014 
1015  // New page patrol: Get the timestamp of the oldest revison which
1016  // the revision table holds for the given page. Then we look
1017  // whether it's within the RC lifespan and if it is, we try
1018  // to get the recentchanges row belonging to that entry
1019  // (with rc_new = 1).
1020  $recentPageCreation = false;
1021  if ( $oldestRevisionTimestamp
1022  && RecentChange::isInRCLifespan( $oldestRevisionTimestamp, 21600 )
1023  ) {
1024  // 6h tolerance because the RC might not be cleaned out regularly
1025  $recentPageCreation = true;
1027  [
1028  'rc_new' => 1,
1029  'rc_timestamp' => $oldestRevisionTimestamp,
1030  'rc_namespace' => $title->getNamespace(),
1031  'rc_cur_id' => $title->getArticleID()
1032  ],
1033  __METHOD__
1034  );
1035  if ( $rc ) {
1036  // Use generic patrol message for new pages
1037  $markPatrolledMsg = wfMessage( 'markaspatrolledtext' );
1038  }
1039  }
1040 
1041  // File patrol: Get the timestamp of the latest upload for this page,
1042  // check whether it is within the RC lifespan and if it is, we try
1043  // to get the recentchanges row belonging to that entry
1044  // (with rc_type = RC_LOG, rc_log_type = upload).
1045  $recentFileUpload = false;
1046  if ( ( !$rc || $rc->getAttribute( 'rc_patrolled' ) ) && $wgUseFilePatrol
1047  && $title->getNamespace() === NS_FILE ) {
1048  // Retrieve timestamp of most recent upload
1049  $newestUploadTimestamp = $dbr->selectField(
1050  'image',
1051  'MAX( img_timestamp )',
1052  [ 'img_name' => $title->getDBkey() ],
1053  __METHOD__
1054  );
1055  if ( $newestUploadTimestamp
1056  && RecentChange::isInRCLifespan( $newestUploadTimestamp, 21600 )
1057  ) {
1058  // 6h tolerance because the RC might not be cleaned out regularly
1059  $recentFileUpload = true;
1061  [
1062  'rc_type' => RC_LOG,
1063  'rc_log_type' => 'upload',
1064  'rc_timestamp' => $newestUploadTimestamp,
1065  'rc_namespace' => NS_FILE,
1066  'rc_cur_id' => $title->getArticleID()
1067  ],
1068  __METHOD__
1069  );
1070  if ( $rc ) {
1071  // Use patrol message specific to files
1072  $markPatrolledMsg = wfMessage( 'markaspatrolledtext-file' );
1073  }
1074  }
1075  }
1076 
1077  if ( !$recentPageCreation && !$recentFileUpload ) {
1078  // Page creation and latest upload (for files) is too old to be in RC
1079 
1080  // We definitely can't patrol so cache the information
1081  // When a new file version is uploaded, the cache is cleared
1082  $cache->set( $key, '1' );
1083 
1084  return false;
1085  }
1086 
1087  if ( !$rc ) {
1088  // Don't cache: This can be hit if the page gets accessed very fast after
1089  // its creation / latest upload or in case we have high replica DB lag. In case
1090  // the revision is too old, we will already return above.
1091  return false;
1092  }
1093 
1094  if ( $rc->getAttribute( 'rc_patrolled' ) ) {
1095  // Patrolled RC entry around
1096 
1097  // Cache the information we gathered above in case we can't patrol
1098  // Don't cache in case we can patrol as this could change
1099  $cache->set( $key, '1' );
1100 
1101  return false;
1102  }
1103 
1104  if ( $rc->getPerformer()->equals( $user ) ) {
1105  // Don't show a patrol link for own creations/uploads. If the user could
1106  // patrol them, they already would be patrolled
1107  return false;
1108  }
1109 
1110  $outputPage->preventClickjacking();
1111  if ( $user->isAllowed( 'writeapi' ) ) {
1112  $outputPage->addModules( 'mediawiki.page.patrol.ajax' );
1113  }
1114 
1116  $title,
1117  $markPatrolledMsg->escaped(),
1118  [],
1119  [
1120  'action' => 'markpatrolled',
1121  'rcid' => $rc->getAttribute( 'rc_id' ),
1122  ]
1123  );
1124 
1125  $outputPage->addHTML(
1126  "<div class='patrollink' data-mw='interface'>" .
1127  wfMessage( 'markaspatrolledlink' )->rawParams( $link )->escaped() .
1128  '</div>'
1129  );
1130 
1131  return true;
1132  }
1133 
1140  public static function purgePatrolFooterCache( $articleID ) {
1141  $cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
1142  $cache->delete( $cache->makeKey( 'unpatrollable-page', $articleID ) );
1143  }
1144 
1149  public function showMissingArticle() {
1151 
1152  $outputPage = $this->getContext()->getOutput();
1153  // Whether the page is a root user page of an existing user (but not a subpage)
1154  $validUserPage = false;
1155 
1156  $title = $this->getTitle();
1157 
1158  # Show info in user (talk) namespace. Does the user exist? Is he blocked?
1159  if ( $title->getNamespace() == NS_USER
1160  || $title->getNamespace() == NS_USER_TALK
1161  ) {
1162  $rootPart = explode( '/', $title->getText() )[0];
1163  $user = User::newFromName( $rootPart, false /* allow IP users */ );
1164  $ip = User::isIP( $rootPart );
1165  $block = Block::newFromTarget( $user, $user );
1166 
1167  if ( !( $user && $user->isLoggedIn() ) && !$ip ) { # User does not exist
1168  $outputPage->wrapWikiMsg( "<div class=\"mw-userpage-userdoesnotexist error\">\n\$1\n</div>",
1169  [ 'userpage-userdoesnotexist-view', wfEscapeWikiText( $rootPart ) ] );
1170  } elseif ( !is_null( $block ) && $block->getType() != Block::TYPE_AUTO ) {
1171  # Show log extract if the user is currently blocked
1173  $outputPage,
1174  'block',
1175  MWNamespace::getCanonicalName( NS_USER ) . ':' . $block->getTarget(),
1176  '',
1177  [
1178  'lim' => 1,
1179  'showIfEmpty' => false,
1180  'msgKey' => [
1181  'blocked-notice-logextract',
1182  $user->getName() # Support GENDER in notice
1183  ]
1184  ]
1185  );
1186  $validUserPage = !$title->isSubpage();
1187  } else {
1188  $validUserPage = !$title->isSubpage();
1189  }
1190  }
1191 
1192  Hooks::run( 'ShowMissingArticle', [ $this ] );
1193 
1194  # Show delete and move logs if there were any such events.
1195  # The logging query can DOS the site when bots/crawlers cause 404 floods,
1196  # so be careful showing this. 404 pages must be cheap as they are hard to cache.
1197  $cache = MediaWikiServices::getInstance()->getMainObjectStash();
1198  $key = $cache->makeKey( 'page-recent-delete', md5( $title->getPrefixedText() ) );
1199  $loggedIn = $this->getContext()->getUser()->isLoggedIn();
1200  $sessionExists = $this->getContext()->getRequest()->getSession()->isPersistent();
1201  if ( $loggedIn || $cache->get( $key ) || $sessionExists ) {
1202  $logTypes = [ 'delete', 'move', 'protect' ];
1203 
1204  $dbr = wfGetDB( DB_REPLICA );
1205 
1206  $conds = [ 'log_action != ' . $dbr->addQuotes( 'revision' ) ];
1207  // Give extensions a chance to hide their (unrelated) log entries
1208  Hooks::run( 'Article::MissingArticleConditions', [ &$conds, $logTypes ] );
1210  $outputPage,
1211  $logTypes,
1212  $title,
1213  '',
1214  [
1215  'lim' => 10,
1216  'conds' => $conds,
1217  'showIfEmpty' => false,
1218  'msgKey' => [ $loggedIn || $sessionExists
1219  ? 'moveddeleted-notice'
1220  : 'moveddeleted-notice-recent'
1221  ]
1222  ]
1223  );
1224  }
1225 
1226  if ( !$this->mPage->hasViewableContent() && $wgSend404Code && !$validUserPage ) {
1227  // If there's no backing content, send a 404 Not Found
1228  // for better machine handling of broken links.
1229  $this->getContext()->getRequest()->response()->statusHeader( 404 );
1230  }
1231 
1232  // Also apply the robot policy for nonexisting pages (even if a 404 was used for sanity)
1233  $policy = $this->getRobotPolicy( 'view' );
1234  $outputPage->setIndexPolicy( $policy['index'] );
1235  $outputPage->setFollowPolicy( $policy['follow'] );
1236 
1237  $hookResult = Hooks::run( 'BeforeDisplayNoArticleText', [ $this ] );
1238 
1239  if ( !$hookResult ) {
1240  return;
1241  }
1242 
1243  # Show error message
1244  $oldid = $this->getOldID();
1245  if ( !$oldid && $title->getNamespace() === NS_MEDIAWIKI && $title->hasSourceText() ) {
1246  $outputPage->addParserOutput( $this->getContentObject()->getParserOutput( $title ) );
1247  } else {
1248  if ( $oldid ) {
1249  $text = wfMessage( 'missing-revision', $oldid )->plain();
1250  } elseif ( $title->quickUserCan( 'create', $this->getContext()->getUser() )
1251  && $title->quickUserCan( 'edit', $this->getContext()->getUser() )
1252  ) {
1253  $message = $this->getContext()->getUser()->isLoggedIn() ? 'noarticletext' : 'noarticletextanon';
1254  $text = wfMessage( $message )->plain();
1255  } else {
1256  $text = wfMessage( 'noarticletext-nopermission' )->plain();
1257  }
1258 
1259  $dir = $this->getContext()->getLanguage()->getDir();
1260  $lang = $this->getContext()->getLanguage()->getHtmlCode();
1261  $outputPage->addWikiText( Xml::openElement( 'div', [
1262  'class' => "noarticletext mw-content-$dir",
1263  'dir' => $dir,
1264  'lang' => $lang,
1265  ] ) . "\n$text\n</div>" );
1266  }
1267  }
1268 
1275  public function showDeletedRevisionHeader() {
1276  if ( !$this->mRevision->isDeleted( Revision::DELETED_TEXT ) ) {
1277  // Not deleted
1278  return true;
1279  }
1280 
1281  $outputPage = $this->getContext()->getOutput();
1282  $user = $this->getContext()->getUser();
1283  // If the user is not allowed to see it...
1284  if ( !$this->mRevision->userCan( Revision::DELETED_TEXT, $user ) ) {
1285  $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1286  'rev-deleted-text-permission' );
1287 
1288  return false;
1289  // If the user needs to confirm that they want to see it...
1290  } elseif ( $this->getContext()->getRequest()->getInt( 'unhide' ) != 1 ) {
1291  # Give explanation and add a link to view the revision...
1292  $oldid = intval( $this->getOldID() );
1293  $link = $this->getTitle()->getFullURL( "oldid={$oldid}&unhide=1" );
1294  $msg = $this->mRevision->isDeleted( Revision::DELETED_RESTRICTED ) ?
1295  'rev-suppressed-text-unhide' : 'rev-deleted-text-unhide';
1296  $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1297  [ $msg, $link ] );
1298 
1299  return false;
1300  // We are allowed to see...
1301  } else {
1302  $msg = $this->mRevision->isDeleted( Revision::DELETED_RESTRICTED ) ?
1303  'rev-suppressed-text-view' : 'rev-deleted-text-view';
1304  $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n", $msg );
1305 
1306  return true;
1307  }
1308  }
1309 
1318  public function setOldSubtitle( $oldid = 0 ) {
1319  // Avoid PHP 7.1 warning of passing $this by reference
1320  $articlePage = $this;
1321 
1322  if ( !Hooks::run( 'DisplayOldSubtitle', [ &$articlePage, &$oldid ] ) ) {
1323  return;
1324  }
1325 
1326  $context = $this->getContext();
1327  $unhide = $context->getRequest()->getInt( 'unhide' ) == 1;
1328 
1329  # Cascade unhide param in links for easy deletion browsing
1330  $extraParams = [];
1331  if ( $unhide ) {
1332  $extraParams['unhide'] = 1;
1333  }
1334 
1335  if ( $this->mRevision && $this->mRevision->getId() === $oldid ) {
1336  $revision = $this->mRevision;
1337  } else {
1338  $revision = Revision::newFromId( $oldid );
1339  }
1340 
1341  $timestamp = $revision->getTimestamp();
1342 
1343  $current = ( $oldid == $this->mPage->getLatest() );
1344  $language = $context->getLanguage();
1345  $user = $context->getUser();
1346 
1347  $td = $language->userTimeAndDate( $timestamp, $user );
1348  $tddate = $language->userDate( $timestamp, $user );
1349  $tdtime = $language->userTime( $timestamp, $user );
1350 
1351  # Show user links if allowed to see them. If hidden, then show them only if requested...
1352  $userlinks = Linker::revUserTools( $revision, !$unhide );
1353 
1354  $infomsg = $current && !$context->msg( 'revision-info-current' )->isDisabled()
1355  ? 'revision-info-current'
1356  : 'revision-info';
1357 
1358  $outputPage = $context->getOutput();
1359  $revisionInfo = "<div id=\"mw-{$infomsg}\">" .
1360  $context->msg( $infomsg, $td )
1361  ->rawParams( $userlinks )
1362  ->params( $revision->getId(), $tddate, $tdtime, $revision->getUserText() )
1363  ->rawParams( Linker::revComment( $revision, true, true ) )
1364  ->parse() .
1365  "</div>";
1366 
1367  $lnk = $current
1368  ? $context->msg( 'currentrevisionlink' )->escaped()
1370  $this->getTitle(),
1371  $context->msg( 'currentrevisionlink' )->escaped(),
1372  [],
1373  $extraParams
1374  );
1375  $curdiff = $current
1376  ? $context->msg( 'diff' )->escaped()
1378  $this->getTitle(),
1379  $context->msg( 'diff' )->escaped(),
1380  [],
1381  [
1382  'diff' => 'cur',
1383  'oldid' => $oldid
1384  ] + $extraParams
1385  );
1386  $prev = $this->getTitle()->getPreviousRevisionID( $oldid );
1387  $prevlink = $prev
1389  $this->getTitle(),
1390  $context->msg( 'previousrevision' )->escaped(),
1391  [],
1392  [
1393  'direction' => 'prev',
1394  'oldid' => $oldid
1395  ] + $extraParams
1396  )
1397  : $context->msg( 'previousrevision' )->escaped();
1398  $prevdiff = $prev
1400  $this->getTitle(),
1401  $context->msg( 'diff' )->escaped(),
1402  [],
1403  [
1404  'diff' => 'prev',
1405  'oldid' => $oldid
1406  ] + $extraParams
1407  )
1408  : $context->msg( 'diff' )->escaped();
1409  $nextlink = $current
1410  ? $context->msg( 'nextrevision' )->escaped()
1412  $this->getTitle(),
1413  $context->msg( 'nextrevision' )->escaped(),
1414  [],
1415  [
1416  'direction' => 'next',
1417  'oldid' => $oldid
1418  ] + $extraParams
1419  );
1420  $nextdiff = $current
1421  ? $context->msg( 'diff' )->escaped()
1423  $this->getTitle(),
1424  $context->msg( 'diff' )->escaped(),
1425  [],
1426  [
1427  'diff' => 'next',
1428  'oldid' => $oldid
1429  ] + $extraParams
1430  );
1431 
1432  $cdel = Linker::getRevDeleteLink( $user, $revision, $this->getTitle() );
1433  if ( $cdel !== '' ) {
1434  $cdel .= ' ';
1435  }
1436 
1437  // the outer div is need for styling the revision info and nav in MobileFrontend
1438  $outputPage->addSubtitle( "<div class=\"mw-revision\">" . $revisionInfo .
1439  "<div id=\"mw-revision-nav\">" . $cdel .
1440  $context->msg( 'revision-nav' )->rawParams(
1441  $prevdiff, $prevlink, $lnk, $curdiff, $nextlink, $nextdiff
1442  )->escaped() . "</div></div>" );
1443  }
1444 
1458  public function viewRedirect( $target, $appendSubtitle = true, $forceKnown = false ) {
1459  $lang = $this->getTitle()->getPageLanguage();
1460  $out = $this->getContext()->getOutput();
1461  if ( $appendSubtitle ) {
1462  $out->addSubtitle( wfMessage( 'redirectpagesub' ) );
1463  }
1464  $out->addModuleStyles( 'mediawiki.action.view.redirectPage' );
1465  return static::getRedirectHeaderHtml( $lang, $target, $forceKnown );
1466  }
1467 
1480  public static function getRedirectHeaderHtml( Language $lang, $target, $forceKnown = false ) {
1481  if ( !is_array( $target ) ) {
1482  $target = [ $target ];
1483  }
1484 
1485  $html = '<ul class="redirectText">';
1487  foreach ( $target as $title ) {
1488  $html .= '<li>' . Linker::link(
1489  $title,
1490  htmlspecialchars( $title->getFullText() ),
1491  [],
1492  // Make sure wiki page redirects are not followed
1493  $title->isRedirect() ? [ 'redirect' => 'no' ] : [],
1494  ( $forceKnown ? [ 'known', 'noclasses' ] : [] )
1495  ) . '</li>';
1496  }
1497  $html .= '</ul>';
1498 
1499  $redirectToText = wfMessage( 'redirectto' )->inLanguage( $lang )->escaped();
1500 
1501  return '<div class="redirectMsg">' .
1502  '<p>' . $redirectToText . '</p>' .
1503  $html .
1504  '</div>';
1505  }
1506 
1515  public function addHelpLink( $to, $overrideBaseUrl = false ) {
1516  $msg = wfMessage(
1517  'namespace-' . $this->getTitle()->getNamespace() . '-helppage'
1518  );
1519 
1520  $out = $this->getContext()->getOutput();
1521  if ( !$msg->isDisabled() ) {
1522  $helpUrl = Skin::makeUrl( $msg->plain() );
1523  $out->addHelpLink( $helpUrl, true );
1524  } else {
1525  $out->addHelpLink( $to, $overrideBaseUrl );
1526  }
1527  }
1528 
1532  public function render() {
1533  $this->getContext()->getRequest()->response()->header( 'X-Robots-Tag: noindex' );
1534  $this->getContext()->getOutput()->setArticleBodyOnly( true );
1535  $this->disableSectionEditForRender = true;
1536  $this->view();
1537  }
1538 
1542  public function protect() {
1543  $form = new ProtectionForm( $this );
1544  $form->execute();
1545  }
1546 
1550  public function unprotect() {
1551  $this->protect();
1552  }
1553 
1557  public function delete() {
1558  # This code desperately needs to be totally rewritten
1559 
1560  $title = $this->getTitle();
1561  $context = $this->getContext();
1562  $user = $context->getUser();
1563  $request = $context->getRequest();
1564 
1565  # Check permissions
1566  $permissionErrors = $title->getUserPermissionsErrors( 'delete', $user );
1567  if ( count( $permissionErrors ) ) {
1568  throw new PermissionsError( 'delete', $permissionErrors );
1569  }
1570 
1571  # Read-only check...
1572  if ( wfReadOnly() ) {
1573  throw new ReadOnlyError;
1574  }
1575 
1576  # Better double-check that it hasn't been deleted yet!
1577  $this->mPage->loadPageData(
1578  $request->wasPosted() ? WikiPage::READ_LATEST : WikiPage::READ_NORMAL
1579  );
1580  if ( !$this->mPage->exists() ) {
1581  $deleteLogPage = new LogPage( 'delete' );
1582  $outputPage = $context->getOutput();
1583  $outputPage->setPageTitle( $context->msg( 'cannotdelete-title', $title->getPrefixedText() ) );
1584  $outputPage->wrapWikiMsg( "<div class=\"error mw-error-cannotdelete\">\n$1\n</div>",
1585  [ 'cannotdelete', wfEscapeWikiText( $title->getPrefixedText() ) ]
1586  );
1587  $outputPage->addHTML(
1588  Xml::element( 'h2', null, $deleteLogPage->getName()->text() )
1589  );
1591  $outputPage,
1592  'delete',
1593  $title
1594  );
1595 
1596  return;
1597  }
1598 
1599  $deleteReasonList = $request->getText( 'wpDeleteReasonList', 'other' );
1600  $deleteReason = $request->getText( 'wpReason' );
1601 
1602  if ( $deleteReasonList == 'other' ) {
1603  $reason = $deleteReason;
1604  } elseif ( $deleteReason != '' ) {
1605  // Entry from drop down menu + additional comment
1606  $colonseparator = wfMessage( 'colon-separator' )->inContentLanguage()->text();
1607  $reason = $deleteReasonList . $colonseparator . $deleteReason;
1608  } else {
1609  $reason = $deleteReasonList;
1610  }
1611 
1612  if ( $request->wasPosted() && $user->matchEditToken( $request->getVal( 'wpEditToken' ),
1613  [ 'delete', $this->getTitle()->getPrefixedText() ] )
1614  ) {
1615  # Flag to hide all contents of the archived revisions
1616  $suppress = $request->getCheck( 'wpSuppress' ) && $user->isAllowed( 'suppressrevision' );
1617 
1618  $this->doDelete( $reason, $suppress );
1619 
1620  WatchAction::doWatchOrUnwatch( $request->getCheck( 'wpWatch' ), $title, $user );
1621 
1622  return;
1623  }
1624 
1625  // Generate deletion reason
1626  $hasHistory = false;
1627  if ( !$reason ) {
1628  try {
1629  $reason = $this->generateReason( $hasHistory );
1630  } catch ( Exception $e ) {
1631  # if a page is horribly broken, we still want to be able to
1632  # delete it. So be lenient about errors here.
1633  wfDebug( "Error while building auto delete summary: $e" );
1634  $reason = '';
1635  }
1636  }
1637 
1638  // If the page has a history, insert a warning
1639  if ( $hasHistory ) {
1640  $title = $this->getTitle();
1641 
1642  // The following can use the real revision count as this is only being shown for users
1643  // that can delete this page.
1644  // This, as a side-effect, also makes sure that the following query isn't being run for
1645  // pages with a larger history, unless the user has the 'bigdelete' right
1646  // (and is about to delete this page).
1647  $dbr = wfGetDB( DB_REPLICA );
1648  $revisions = $edits = (int)$dbr->selectField(
1649  'revision',
1650  'COUNT(rev_page)',
1651  [ 'rev_page' => $title->getArticleID() ],
1652  __METHOD__
1653  );
1654 
1655  // @todo FIXME: i18n issue/patchwork message
1656  $context->getOutput()->addHTML(
1657  '<strong class="mw-delete-warning-revisions">' .
1658  $context->msg( 'historywarning' )->numParams( $revisions )->parse() .
1659  $context->msg( 'word-separator' )->escaped() . Linker::linkKnown( $title,
1660  $context->msg( 'history' )->escaped(),
1661  [],
1662  [ 'action' => 'history' ] ) .
1663  '</strong>'
1664  );
1665 
1666  if ( $title->isBigDeletion() ) {
1667  global $wgDeleteRevisionsLimit;
1668  $context->getOutput()->wrapWikiMsg( "<div class='error'>\n$1\n</div>\n",
1669  [
1670  'delete-warning-toobig',
1671  $context->getLanguage()->formatNum( $wgDeleteRevisionsLimit )
1672  ]
1673  );
1674  }
1675  }
1676 
1677  $this->confirmDelete( $reason );
1678  }
1679 
1685  public function confirmDelete( $reason ) {
1686  wfDebug( "Article::confirmDelete\n" );
1687 
1688  $title = $this->getTitle();
1689  $ctx = $this->getContext();
1690  $outputPage = $ctx->getOutput();
1691  $outputPage->setPageTitle( wfMessage( 'delete-confirm', $title->getPrefixedText() ) );
1692  $outputPage->addBacklinkSubtitle( $title );
1693  $outputPage->setRobotPolicy( 'noindex,nofollow' );
1694  $outputPage->addModules( 'mediawiki.action.delete' );
1695 
1696  $backlinkCache = $title->getBacklinkCache();
1697  if ( $backlinkCache->hasLinks( 'pagelinks' ) || $backlinkCache->hasLinks( 'templatelinks' ) ) {
1698  $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1699  'deleting-backlinks-warning' );
1700  }
1701 
1702  $subpageQueryLimit = 51;
1703  $subpages = $title->getSubpages( $subpageQueryLimit );
1704  $subpageCount = count( $subpages );
1705  if ( $subpageCount > 0 ) {
1706  $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1707  [ 'deleting-subpages-warning', Message::numParam( $subpageCount ) ] );
1708  }
1709  $outputPage->addWikiMsg( 'confirmdeletetext' );
1710 
1711  Hooks::run( 'ArticleConfirmDelete', [ $this, $outputPage, &$reason ] );
1712 
1713  $user = $this->getContext()->getUser();
1714  $checkWatch = $user->getBoolOption( 'watchdeletion' ) || $user->isWatched( $title );
1715 
1716  $outputPage->enableOOUI();
1717 
1719  $ctx->msg( 'deletereason-dropdown' )->inContentLanguage()->text(),
1720  [ 'other' => $ctx->msg( 'deletereasonotherlist' )->inContentLanguage()->text() ]
1721  );
1722  $options = Xml::listDropDownOptionsOoui( $options );
1723 
1724  $fields[] = new OOUI\FieldLayout(
1725  new OOUI\DropdownInputWidget( [
1726  'name' => 'wpDeleteReasonList',
1727  'inputId' => 'wpDeleteReasonList',
1728  'tabIndex' => 1,
1729  'infusable' => true,
1730  'value' => '',
1731  'options' => $options
1732  ] ),
1733  [
1734  'label' => $ctx->msg( 'deletecomment' )->text(),
1735  'align' => 'top',
1736  ]
1737  );
1738 
1739  // HTML maxlength uses "UTF-16 code units", which means that characters outside BMP
1740  // (e.g. emojis) count for two each. This limit is overridden in JS to instead count
1741  // Unicode codepoints (or 255 UTF-8 bytes for old schema).
1742  $conf = $this->getContext()->getConfig();
1743  $oldCommentSchema = $conf->get( 'CommentTableSchemaMigrationStage' ) === MIGRATION_OLD;
1744  $fields[] = new OOUI\FieldLayout(
1745  new OOUI\TextInputWidget( [
1746  'name' => 'wpReason',
1747  'inputId' => 'wpReason',
1748  'tabIndex' => 2,
1749  'maxLength' => $oldCommentSchema ? 255 : CommentStore::COMMENT_CHARACTER_LIMIT,
1750  'infusable' => true,
1751  'value' => $reason,
1752  'autofocus' => true,
1753  ] ),
1754  [
1755  'label' => $ctx->msg( 'deleteotherreason' )->text(),
1756  'align' => 'top',
1757  ]
1758  );
1759 
1760  if ( $user->isLoggedIn() ) {
1761  $fields[] = new OOUI\FieldLayout(
1762  new OOUI\CheckboxInputWidget( [
1763  'name' => 'wpWatch',
1764  'inputId' => 'wpWatch',
1765  'tabIndex' => 3,
1766  'selected' => $checkWatch,
1767  ] ),
1768  [
1769  'label' => $ctx->msg( 'watchthis' )->text(),
1770  'align' => 'inline',
1771  'infusable' => true,
1772  ]
1773  );
1774  }
1775 
1776  if ( $user->isAllowed( 'suppressrevision' ) ) {
1777  $fields[] = new OOUI\FieldLayout(
1778  new OOUI\CheckboxInputWidget( [
1779  'name' => 'wpSuppress',
1780  'inputId' => 'wpSuppress',
1781  'tabIndex' => 4,
1782  ] ),
1783  [
1784  'label' => $ctx->msg( 'revdelete-suppress' )->text(),
1785  'align' => 'inline',
1786  'infusable' => true,
1787  ]
1788  );
1789  }
1790 
1791  $fields[] = new OOUI\FieldLayout(
1792  new OOUI\ButtonInputWidget( [
1793  'name' => 'wpConfirmB',
1794  'inputId' => 'wpConfirmB',
1795  'tabIndex' => 5,
1796  'value' => $ctx->msg( 'deletepage' )->text(),
1797  'label' => $ctx->msg( 'deletepage' )->text(),
1798  'flags' => [ 'primary', 'destructive' ],
1799  'type' => 'submit',
1800  ] ),
1801  [
1802  'align' => 'top',
1803  ]
1804  );
1805 
1806  $fieldset = new OOUI\FieldsetLayout( [
1807  'label' => $ctx->msg( 'delete-legend' )->text(),
1808  'id' => 'mw-delete-table',
1809  'items' => $fields,
1810  ] );
1811 
1812  $form = new OOUI\FormLayout( [
1813  'method' => 'post',
1814  'action' => $title->getLocalURL( 'action=delete' ),
1815  'id' => 'deleteconfirm',
1816  ] );
1817  $form->appendContent(
1818  $fieldset,
1819  new OOUI\HtmlSnippet(
1820  Html::hidden( 'wpEditToken', $user->getEditToken( [ 'delete', $title->getPrefixedText() ] ) )
1821  )
1822  );
1823 
1824  $outputPage->addHTML(
1825  new OOUI\PanelLayout( [
1826  'classes' => [ 'deletepage-wrapper' ],
1827  'expanded' => false,
1828  'padded' => true,
1829  'framed' => true,
1830  'content' => $form,
1831  ] )
1832  );
1833 
1834  if ( $user->isAllowed( 'editinterface' ) ) {
1836  $ctx->msg( 'deletereason-dropdown' )->inContentLanguage()->getTitle(),
1837  wfMessage( 'delete-edit-reasonlist' )->escaped(),
1838  [],
1839  [ 'action' => 'edit' ]
1840  );
1841  $outputPage->addHTML( '<p class="mw-delete-editreasons">' . $link . '</p>' );
1842  }
1843 
1844  $deleteLogPage = new LogPage( 'delete' );
1845  $outputPage->addHTML( Xml::element( 'h2', null, $deleteLogPage->getName()->text() ) );
1846  LogEventsList::showLogExtract( $outputPage, 'delete', $title );
1847  }
1848 
1854  public function doDelete( $reason, $suppress = false ) {
1855  $error = '';
1856  $context = $this->getContext();
1857  $outputPage = $context->getOutput();
1858  $user = $context->getUser();
1859  $status = $this->mPage->doDeleteArticleReal( $reason, $suppress, 0, true, $error, $user );
1860 
1861  if ( $status->isGood() ) {
1862  $deleted = $this->getTitle()->getPrefixedText();
1863 
1864  $outputPage->setPageTitle( wfMessage( 'actioncomplete' ) );
1865  $outputPage->setRobotPolicy( 'noindex,nofollow' );
1866 
1867  $loglink = '[[Special:Log/delete|' . wfMessage( 'deletionlog' )->text() . ']]';
1868 
1869  $outputPage->addWikiMsg( 'deletedtext', wfEscapeWikiText( $deleted ), $loglink );
1870 
1871  Hooks::run( 'ArticleDeleteAfterSuccess', [ $this->getTitle(), $outputPage ] );
1872 
1873  $outputPage->returnToMain( false );
1874  } else {
1875  $outputPage->setPageTitle(
1876  wfMessage( 'cannotdelete-title',
1877  $this->getTitle()->getPrefixedText() )
1878  );
1879 
1880  if ( $error == '' ) {
1881  $outputPage->addWikiText(
1882  "<div class=\"error mw-error-cannotdelete\">\n" . $status->getWikiText() . "\n</div>"
1883  );
1884  $deleteLogPage = new LogPage( 'delete' );
1885  $outputPage->addHTML( Xml::element( 'h2', null, $deleteLogPage->getName()->text() ) );
1886 
1888  $outputPage,
1889  'delete',
1890  $this->getTitle()
1891  );
1892  } else {
1893  $outputPage->addHTML( $error );
1894  }
1895  }
1896  }
1897 
1898  /* Caching functions */
1899 
1907  protected function tryFileCache() {
1908  static $called = false;
1909 
1910  if ( $called ) {
1911  wfDebug( "Article::tryFileCache(): called twice!?\n" );
1912  return false;
1913  }
1914 
1915  $called = true;
1916  if ( $this->isFileCacheable() ) {
1917  $cache = new HTMLFileCache( $this->getTitle(), 'view' );
1918  if ( $cache->isCacheGood( $this->mPage->getTouched() ) ) {
1919  wfDebug( "Article::tryFileCache(): about to load file\n" );
1920  $cache->loadFromFileCache( $this->getContext() );
1921  return true;
1922  } else {
1923  wfDebug( "Article::tryFileCache(): starting buffer\n" );
1924  ob_start( [ &$cache, 'saveToFileCache' ] );
1925  }
1926  } else {
1927  wfDebug( "Article::tryFileCache(): not cacheable\n" );
1928  }
1929 
1930  return false;
1931  }
1932 
1938  public function isFileCacheable( $mode = HTMLFileCache::MODE_NORMAL ) {
1939  $cacheable = false;
1940 
1941  if ( HTMLFileCache::useFileCache( $this->getContext(), $mode ) ) {
1942  $cacheable = $this->mPage->getId()
1943  && !$this->mRedirectedFrom && !$this->getTitle()->isRedirect();
1944  // Extension may have reason to disable file caching on some pages.
1945  if ( $cacheable ) {
1946  // Avoid PHP 7.1 warning of passing $this by reference
1947  $articlePage = $this;
1948  $cacheable = Hooks::run( 'IsFileCacheable', [ &$articlePage ] );
1949  }
1950  }
1951 
1952  return $cacheable;
1953  }
1954 
1968  public function getParserOutput( $oldid = null, User $user = null ) {
1969  // XXX: bypasses mParserOptions and thus setParserOptions()
1970 
1971  if ( $user === null ) {
1972  $parserOptions = $this->getParserOptions();
1973  } else {
1974  $parserOptions = $this->mPage->makeParserOptions( $user );
1975  }
1976 
1977  return $this->mPage->getParserOutput( $parserOptions, $oldid );
1978  }
1979 
1987  if ( $this->mParserOptions ) {
1988  throw new MWException( "can't change parser options after they have already been set" );
1989  }
1990 
1991  // clone, so if $options is modified later, it doesn't confuse the parser cache.
1992  $this->mParserOptions = clone $options;
1993  }
1994 
1999  public function getParserOptions() {
2000  if ( !$this->mParserOptions ) {
2001  $this->mParserOptions = $this->mPage->makeParserOptions( $this->getContext() );
2002  }
2003  // Clone to allow modifications of the return value without affecting cache
2004  return clone $this->mParserOptions;
2005  }
2006 
2013  public function setContext( $context ) {
2014  $this->mContext = $context;
2015  }
2016 
2023  public function getContext() {
2024  if ( $this->mContext instanceof IContextSource ) {
2025  return $this->mContext;
2026  } else {
2027  wfDebug( __METHOD__ . " called and \$mContext is null. " .
2028  "Return RequestContext::getMain(); for sanity\n" );
2029  return RequestContext::getMain();
2030  }
2031  }
2032 
2040  public function __get( $fname ) {
2041  if ( property_exists( $this->mPage, $fname ) ) {
2042  # wfWarn( "Access to raw $fname field " . __CLASS__ );
2043  return $this->mPage->$fname;
2044  }
2045  trigger_error( 'Inaccessible property via __get(): ' . $fname, E_USER_NOTICE );
2046  }
2047 
2055  public function __set( $fname, $fvalue ) {
2056  if ( property_exists( $this->mPage, $fname ) ) {
2057  # wfWarn( "Access to raw $fname field of " . __CLASS__ );
2058  $this->mPage->$fname = $fvalue;
2059  // Note: extensions may want to toss on new fields
2060  } elseif ( !in_array( $fname, [ 'mContext', 'mPage' ] ) ) {
2061  $this->mPage->$fname = $fvalue;
2062  } else {
2063  trigger_error( 'Inaccessible property via __set(): ' . $fname, E_USER_NOTICE );
2064  }
2065  }
2066 
2071  public function checkFlags( $flags ) {
2072  return $this->mPage->checkFlags( $flags );
2073  }
2074 
2079  public function checkTouched() {
2080  return $this->mPage->checkTouched();
2081  }
2082 
2087  public function clearPreparedEdit() {
2088  $this->mPage->clearPreparedEdit();
2089  }
2090 
2095  public function doDeleteArticleReal(
2096  $reason, $suppress = false, $u1 = null, $u2 = null, &$error = '', User $user = null,
2097  $tags = []
2098  ) {
2099  return $this->mPage->doDeleteArticleReal(
2100  $reason, $suppress, $u1, $u2, $error, $user, $tags
2101  );
2102  }
2103 
2108  public function doDeleteUpdates( $id, Content $content = null ) {
2109  return $this->mPage->doDeleteUpdates( $id, $content );
2110  }
2111 
2117  public function doEditContent( Content $content, $summary, $flags = 0, $baseRevId = false,
2118  User $user = null, $serialFormat = null
2119  ) {
2120  wfDeprecated( __METHOD__, '1.29' );
2121  return $this->mPage->doEditContent( $content, $summary, $flags, $baseRevId,
2122  $user, $serialFormat
2123  );
2124  }
2125 
2130  public function doEditUpdates( Revision $revision, User $user, array $options = [] ) {
2131  return $this->mPage->doEditUpdates( $revision, $user, $options );
2132  }
2133 
2140  public function doPurge() {
2141  return $this->mPage->doPurge();
2142  }
2143 
2148  public function doViewUpdates( User $user, $oldid = 0 ) {
2149  $this->mPage->doViewUpdates( $user, $oldid );
2150  }
2151 
2156  public function exists() {
2157  return $this->mPage->exists();
2158  }
2159 
2164  public function followRedirect() {
2165  return $this->mPage->followRedirect();
2166  }
2167 
2172  public function getActionOverrides() {
2173  return $this->mPage->getActionOverrides();
2174  }
2175 
2180  public function getAutoDeleteReason( &$hasHistory ) {
2181  return $this->mPage->getAutoDeleteReason( $hasHistory );
2182  }
2183 
2188  public function getCategories() {
2189  return $this->mPage->getCategories();
2190  }
2191 
2196  public function getComment( $audience = Revision::FOR_PUBLIC, User $user = null ) {
2197  return $this->mPage->getComment( $audience, $user );
2198  }
2199 
2204  public function getContentHandler() {
2205  return $this->mPage->getContentHandler();
2206  }
2207 
2212  public function getContentModel() {
2213  return $this->mPage->getContentModel();
2214  }
2215 
2220  public function getContributors() {
2221  return $this->mPage->getContributors();
2222  }
2223 
2228  public function getCreator( $audience = Revision::FOR_PUBLIC, User $user = null ) {
2229  return $this->mPage->getCreator( $audience, $user );
2230  }
2231 
2236  public function getDeletionUpdates( Content $content = null ) {
2237  return $this->mPage->getDeletionUpdates( $content );
2238  }
2239 
2244  public function getHiddenCategories() {
2245  return $this->mPage->getHiddenCategories();
2246  }
2247 
2252  public function getId() {
2253  return $this->mPage->getId();
2254  }
2255 
2260  public function getLatest() {
2261  return $this->mPage->getLatest();
2262  }
2263 
2268  public function getLinksTimestamp() {
2269  return $this->mPage->getLinksTimestamp();
2270  }
2271 
2276  public function getMinorEdit() {
2277  return $this->mPage->getMinorEdit();
2278  }
2279 
2284  public function getOldestRevision() {
2285  return $this->mPage->getOldestRevision();
2286  }
2287 
2292  public function getRedirectTarget() {
2293  return $this->mPage->getRedirectTarget();
2294  }
2295 
2300  public function getRedirectURL( $rt ) {
2301  return $this->mPage->getRedirectURL( $rt );
2302  }
2303 
2308  public function getRevision() {
2309  return $this->mPage->getRevision();
2310  }
2311 
2316  public function getTimestamp() {
2317  return $this->mPage->getTimestamp();
2318  }
2319 
2324  public function getTouched() {
2325  return $this->mPage->getTouched();
2326  }
2327 
2332  public function getUndoContent( Revision $undo, Revision $undoafter = null ) {
2333  return $this->mPage->getUndoContent( $undo, $undoafter );
2334  }
2335 
2340  public function getUser( $audience = Revision::FOR_PUBLIC, User $user = null ) {
2341  return $this->mPage->getUser( $audience, $user );
2342  }
2343 
2348  public function getUserText( $audience = Revision::FOR_PUBLIC, User $user = null ) {
2349  return $this->mPage->getUserText( $audience, $user );
2350  }
2351 
2356  public function hasViewableContent() {
2357  return $this->mPage->hasViewableContent();
2358  }
2359 
2364  public function insertOn( $dbw, $pageId = null ) {
2365  return $this->mPage->insertOn( $dbw, $pageId );
2366  }
2367 
2372  public function insertProtectNullRevision( $revCommentMsg, array $limit,
2373  array $expiry, $cascade, $reason, $user = null
2374  ) {
2375  return $this->mPage->insertProtectNullRevision( $revCommentMsg, $limit,
2376  $expiry, $cascade, $reason, $user
2377  );
2378  }
2379 
2384  public function insertRedirect() {
2385  return $this->mPage->insertRedirect();
2386  }
2387 
2392  public function insertRedirectEntry( Title $rt, $oldLatest = null ) {
2393  return $this->mPage->insertRedirectEntry( $rt, $oldLatest );
2394  }
2395 
2400  public function isCountable( $editInfo = false ) {
2401  return $this->mPage->isCountable( $editInfo );
2402  }
2403 
2408  public function isRedirect() {
2409  return $this->mPage->isRedirect();
2410  }
2411 
2416  public function loadFromRow( $data, $from ) {
2417  return $this->mPage->loadFromRow( $data, $from );
2418  }
2419 
2424  public function loadPageData( $from = 'fromdb' ) {
2425  $this->mPage->loadPageData( $from );
2426  }
2427 
2432  public function lockAndGetLatest() {
2433  return $this->mPage->lockAndGetLatest();
2434  }
2435 
2440  public function makeParserOptions( $context ) {
2441  return $this->mPage->makeParserOptions( $context );
2442  }
2443 
2448  public function pageDataFromId( $dbr, $id, $options = [] ) {
2449  return $this->mPage->pageDataFromId( $dbr, $id, $options );
2450  }
2451 
2456  public function pageDataFromTitle( $dbr, $title, $options = [] ) {
2457  return $this->mPage->pageDataFromTitle( $dbr, $title, $options );
2458  }
2459 
2464  public function prepareContentForEdit(
2465  Content $content, $revision = null, User $user = null,
2466  $serialFormat = null, $useCache = true
2467  ) {
2468  return $this->mPage->prepareContentForEdit(
2469  $content, $revision, $user,
2470  $serialFormat, $useCache
2471  );
2472  }
2473 
2478  public function protectDescription( array $limit, array $expiry ) {
2479  return $this->mPage->protectDescription( $limit, $expiry );
2480  }
2481 
2486  public function protectDescriptionLog( array $limit, array $expiry ) {
2487  return $this->mPage->protectDescriptionLog( $limit, $expiry );
2488  }
2489 
2494  public function replaceSectionAtRev( $sectionId, Content $sectionContent,
2495  $sectionTitle = '', $baseRevId = null
2496  ) {
2497  return $this->mPage->replaceSectionAtRev( $sectionId, $sectionContent,
2498  $sectionTitle, $baseRevId
2499  );
2500  }
2501 
2506  public function replaceSectionContent(
2507  $sectionId, Content $sectionContent, $sectionTitle = '', $edittime = null
2508  ) {
2509  return $this->mPage->replaceSectionContent(
2510  $sectionId, $sectionContent, $sectionTitle, $edittime
2511  );
2512  }
2513 
2518  public function setTimestamp( $ts ) {
2519  return $this->mPage->setTimestamp( $ts );
2520  }
2521 
2526  public function shouldCheckParserCache( ParserOptions $parserOptions, $oldId ) {
2527  return $this->mPage->shouldCheckParserCache( $parserOptions, $oldId );
2528  }
2529 
2534  public function supportsSections() {
2535  return $this->mPage->supportsSections();
2536  }
2537 
2542  public function triggerOpportunisticLinksUpdate( ParserOutput $parserOutput ) {
2543  return $this->mPage->triggerOpportunisticLinksUpdate( $parserOutput );
2544  }
2545 
2550  public function updateCategoryCounts( array $added, array $deleted, $id = 0 ) {
2551  return $this->mPage->updateCategoryCounts( $added, $deleted, $id );
2552  }
2553 
2558  public function updateIfNewerOn( $dbw, $revision ) {
2559  return $this->mPage->updateIfNewerOn( $dbw, $revision );
2560  }
2561 
2566  public function updateRedirectOn( $dbw, $redirectTitle, $lastRevIsRedirect = null ) {
2567  return $this->mPage->updateRedirectOn( $dbw, $redirectTitle, $lastRevIsRedirect );
2568  }
2569 
2574  public function updateRevisionOn( $dbw, $revision, $lastRevision = null,
2575  $lastRevIsRedirect = null
2576  ) {
2577  return $this->mPage->updateRevisionOn( $dbw, $revision, $lastRevision,
2578  $lastRevIsRedirect
2579  );
2580  }
2581 
2590  public function doUpdateRestrictions( array $limit, array $expiry, &$cascade,
2591  $reason, User $user
2592  ) {
2593  return $this->mPage->doUpdateRestrictions( $limit, $expiry, $cascade, $reason, $user );
2594  }
2595 
2603  public function updateRestrictions( $limit = [], $reason = '',
2604  &$cascade = 0, $expiry = []
2605  ) {
2606  return $this->mPage->doUpdateRestrictions(
2607  $limit,
2608  $expiry,
2609  $cascade,
2610  $reason,
2611  $this->getContext()->getUser()
2612  );
2613  }
2614 
2623  public function doDeleteArticle(
2624  $reason, $suppress = false, $u1 = null, $u2 = null, &$error = ''
2625  ) {
2626  return $this->mPage->doDeleteArticle( $reason, $suppress, $u1, $u2, $error );
2627  }
2628 
2638  public function doRollback( $fromP, $summary, $token, $bot, &$resultDetails, User $user = null ) {
2639  $user = is_null( $user ) ? $this->getContext()->getUser() : $user;
2640  return $this->mPage->doRollback( $fromP, $summary, $token, $bot, $resultDetails, $user );
2641  }
2642 
2651  public function commitRollback( $fromP, $summary, $bot, &$resultDetails, User $guser = null ) {
2652  $guser = is_null( $guser ) ? $this->getContext()->getUser() : $guser;
2653  return $this->mPage->commitRollback( $fromP, $summary, $bot, $resultDetails, $guser );
2654  }
2655 
2660  public function generateReason( &$hasHistory ) {
2661  $title = $this->mPage->getTitle();
2663  return $handler->getAutoDeleteReason( $title, $hasHistory );
2664  }
2665 
2666  // ******
2667 }
pageDataFromId($dbr, $id, $options=[])
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2448
__set($fname, $fvalue)
Use PHP's magic __set handler to handle setting of raw WikiPage fields for backwards compatibility...
Definition: Article.php:2055
static newFromName($name, $validate= 'valid')
Static factory method for creation from username.
Definition: User.php:585
getRedirectTarget()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2292
Using a hook running we can avoid having all this option specific stuff in our mainline code Using the function array $article
Definition: hooks.txt:77
static purgePatrolFooterCache($articleID)
Purge the cache used to check if it is worth showing the patrol footer For example, it is done during re-uploads when file patrol is used.
Definition: Article.php:1140
const FOR_THIS_USER
Definition: Revision.php:56
viewRedirect($target, $appendSubtitle=true, $forceKnown=false)
Return the HTML for the top of a redirect page.
Definition: Article.php:1458
static newFromID($id, $flags=0)
Create a new Title from an article ID.
Definition: Title.php:416
lockAndGetLatest()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2432
getUndoContent(Revision $undo, Revision $undoafter=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2332
null means default in associative array with keys and values unescaped Should be merged with default with a value of false meaning to suppress the attribute in associative array with keys and values unescaped noclasses just before the function returns a value If you return an< a > element with HTML attributes $attribs and contents $html will be returned If you return $ret will be returned and may include noclasses & $html
Definition: hooks.txt:2019
deferred txt A few of the database updates required by various functions here can be deferred until after the result page is displayed to the user For updating the view updating the linked to tables after a etc PHP does not yet have any way to tell the server to actually return and disconnect while still running these but it might have such a feature in the future We handle these by creating a deferred update object and putting those objects on a global list
Definition: deferred.txt:11
static isInRCLifespan($timestamp, $tolerance=0)
Check whether the given timestamp is new enough to have a RC row with a given tolerance as the recent...
static revComment(Revision $rev, $local=false, $isPublic=false)
Wrap and format the given revision's comment block, if the current user is allowed to view it...
Definition: Linker.php:1480
bool $disableSectionEditForRender
Whether render() was called.
Definition: Article.php:83
WikiPage $mPage
The WikiPage object of this instance.
Definition: Article.php:40
wfGetDB($db, $groups=[], $wiki=false)
Get a Database object.
this hook is for auditing only or null if authentication failed before getting that far or null if we can t even determine that probably a stub it is not rendered in wiki pages or galleries in category pages allow injecting custom HTML after the section Any uses of the hook need to handle escaping see BaseTemplate::getToolbox and BaseTemplate::makeListItem for details on the format of individual items inside of this array or by returning and letting standard HTTP rendering take place modifiable or by returning false and taking over the output $out
Definition: hooks.txt:790
getRobotPolicy($action, $pOutput=null)
Get the robot policy to be used for the current view.
Definition: Article.php:753
the array() calling protocol came about after MediaWiki 1.4rc1.
getRedirectedFrom()
Get the page this view was redirected from.
Definition: Article.php:163
null for the local wiki Added should default to null in handler for backwards compatibility add a value to it if you want to add a cookie that have to vary cache options can modify $query
Definition: hooks.txt:1623
updateRestrictions($limit=[], $reason= '', &$cascade=0, $expiry=[])
Definition: Article.php:2603
doEditContent(Content $content, $summary, $flags=0, $baseRevId=false, User $user=null, $serialFormat=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2117
getLatest()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2260
setParserOptions(ParserOptions $options)
Override the ParserOptions used to render the primary article wikitext.
Definition: Article.php:1986
magic word the default is to use $key to get the and $key value or $key value text $key value html to format the value $key
Definition: hooks.txt:2610
doEditUpdates(Revision $revision, User $user, array $options=[])
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2130
static getRevDeleteLink(User $user, Revision $rev, Title $title)
Get a revision-deletion link, or disabled link, or nothing, depending on user permissions & the setti...
Definition: Linker.php:2053
static element($element, $attribs=null, $contents= '', $allowShortTag=true)
Format an XML element with given attributes and, optionally, text content.
Definition: Xml.php:39
exists()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2156
supportsSections()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2534
static makeUrl($name, $urlaction= '')
Definition: Skin.php:1179
doRollback($fromP, $summary, $token, $bot, &$resultDetails, User $user=null)
Definition: Article.php:2638
Show an error when the wiki is locked/read-only and the user tries to do something that requires writ...
Apache License January AND DISTRIBUTION Definitions License shall mean the terms and conditions for use
doDeleteArticle($reason, $suppress=false, $u1=null, $u2=null, &$error= '')
Definition: Article.php:2623
protect()
action=protect handler
Definition: Article.php:1542
div flags Integer display flags(NO_ACTION_LINK, NO_EXTRA_USER_LINKS) 'LogException'returning false will NOT prevent logging $e
Definition: hooks.txt:2195
IContextSource $mContext
The context this Article is executed in.
Definition: Article.php:37
isCountable($editInfo=false)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2400
Wrapper allowing us to handle a system message as a Content object.
getPage()
Get the WikiPage object of this instance.
Definition: Article.php:191
getParserOutput($oldid=null, User $user=null)
#@-
Definition: Article.php:1968
static useFileCache(IContextSource $context, $mode=self::MODE_NORMAL)
Check if pages can be cached for this request/user.
updateCategoryCounts(array $added, array $deleted, $id=0)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2550
string bool $mRedirectUrl
URL to redirect to or false if none.
Definition: Article.php:67
loadPageData($from= 'fromdb')
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2424
if(!isset($args[0])) $lang
ParserOptions $mParserOptions
ParserOptions object for $wgUser articles.
Definition: Article.php:43
Content $mContentObject
Content of the revision we are working on.
Definition: Article.php:55
Special handling for category description pages, showing pages, subcategories and file that belong to...
isFileCacheable($mode=HTMLFileCache::MODE_NORMAL)
Check if the page can be cached.
Definition: Article.php:1938
doDeleteUpdates($id, Content $content=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2108
static newFromConds($conds, $fname=__METHOD__, $dbType=DB_REPLICA)
Find the first recent change matching some specific conditions.
adjustDisplayTitle(ParserOutput $pOutput)
Adjust title for pages with displaytitle, -{T|}- or language conversion.
Definition: Article.php:691
static hidden($name, $value, array $attribs=[])
Convenience function to produce an input element with type=hidden.
Definition: Html.php:790
shouldCheckParserCache(ParserOptions $parserOptions, $oldId)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2526
doUpdateRestrictions(array $limit, array $expiry, &$cascade, $reason, User $user)
Definition: Article.php:2590
Class for viewing MediaWiki article and history.
Definition: Article.php:35
null for the local wiki Added in
Definition: hooks.txt:1623
Page view caching in the file system.
followRedirect()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2164
confirmDelete($reason)
Output deletion confirmation dialog.
Definition: Article.php:1685
Class for viewing MediaWiki file description pages.
Definition: ImagePage.php:30
triggerOpportunisticLinksUpdate(ParserOutput $parserOutput)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2542
injection txt This is an overview of how MediaWiki makes use of dependency injection The design described here grew from the discussion of RFC T384 The term dependency this means that anything an object needs to operate should be injected from the the object itself should only know narrow no concrete implementation of the logic it relies on The requirement to inject everything typically results in an architecture that based on two main types of and essentially stateless service objects that use other service objects to operate on the value objects As of the beginning MediaWiki is only starting to use the DI approach Much of the code still relies on global state or direct resulting in a highly cyclical dependency MediaWikiServices
Definition: injection.txt:23
getOldIDFromRequest()
Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect.
Definition: Article.php:262
__get($fname)
Use PHP's magic __get handler to handle accessing of raw WikiPage fields for backwards compatibility...
Definition: Article.php:2040
getDeletionUpdates(Content $content=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2236
updateIfNewerOn($dbw, $revision)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2558
const COMMENT_CHARACTER_LIMIT
Maximum length of a comment in UTF-8 characters.
clearPreparedEdit()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2087
when a variable name is used in a it is silently declared as a new local masking the global
Definition: design.txt:93
static errorBox($html, $heading= '')
Return an error box.
Definition: Html.php:729
getContributors()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2220
commitRollback($fromP, $summary, $bot, &$resultDetails, User $guser=null)
Definition: Article.php:2651
showMissingArticle()
Show the error text for a missing article.
Definition: Article.php:1149
wfDebug($text, $dest= 'all', array $context=[])
Sends a line to the debug log if enabled or, optionally, to a comment in output.
static showLogExtract(&$out, $types=[], $page= '', $user= '', $param=[])
Show log extract.
protectDescription(array $limit, array $expiry)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2478
Class to simplify the use of log pages.
Definition: LogPage.php:33
usually copyright or history_copyright This message must be in HTML not wikitext & $link
Definition: hooks.txt:3038
The User object encapsulates all of the user-specific settings (user_id, name, rights, email address, options, last login time).
Definition: User.php:46
getContext()
Gets the context this Article is executed in.
Definition: Article.php:2023
static listDropDownOptionsOoui($options)
Convert options for a drop-down box into a format accepted by OOUI\DropdownInputWidget etc...
Definition: Xml.php:582
isRedirect()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2408
__construct(Title $title, $oldId=null)
Constructor and clear the article.
Definition: Article.php:90
setTimestamp($ts)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2518
protectDescriptionLog(array $limit, array $expiry)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2486
makeParserOptions($context)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2440
wfEscapeWikiText($text)
Escapes the given text so that it may be output using addWikiText() without any linking, formatting, etc.
wfReadOnly()
Check whether the wiki is in read-only mode.
static getMain()
Get the RequestContext object associated with the main request.
prepareContentForEdit(Content $content, $revision=null, User $user=null, $serialFormat=null, $useCache=true)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2464
const FOR_PUBLIC
Definition: Revision.php:55
static getCanonicalName($index)
Returns the canonical (English) name for a given index.
$wgUseFileCache
This will cache static pages for non-logged-in users to reduce database traffic on public sites...
either a unescaped string or a HtmlArmor object after in associative array form externallinks including delete and has completed for all link tables whether this was an auto creation default is conds Array Extra conditions for the No matching items in log is displayed if loglist is empty msgKey Array If you want a nice box with a set this to the key of the message First element is the message additional optional elements are parameters for the key that are processed with wfMessage() -> params() ->parseAsBlock()-offset Set to overwrite offset parameter in $wgRequest set to ''to unsetoffset-wrap String Wrap the message in html(usually something like"&lt
showViewFooter()
Show the footer section of an ordinary page view.
Definition: Article.php:953
static newFromTarget($specificTarget, $vagueTarget=null, $fromMaster=false)
Given a target and the target's type, get an existing Block object if possible.
Definition: Block.php:1173
getRevisionFetched()
Get the fetched Revision object depending on request parameters or null on failure.
Definition: Article.php:412
const MIGRATION_OLD
Definition: Defines.php:293
insertProtectNullRevision($revCommentMsg, array $limit, array $expiry, $cascade, $reason, $user=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2372
const NS_MEDIA
Definition: Defines.php:53
static isValid($ip)
Validate an IP address.
Definition: IP.php:111
showRedirectedFromHeader()
If this request is a redirect view, send "redirected from" subtitle to the output.
Definition: Article.php:862
ParserOutput $mParserOutput
Definition: Article.php:76
getRevision()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2308
generateReason(&$hasHistory)
Definition: Article.php:2660
static getRedirectHeaderHtml(Language $lang, $target, $forceKnown=false)
Return the HTML for the top of a redirect page.
Definition: Article.php:1480
insertRedirect()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2384
int null $mOldId
The oldid of the article that is to be shown, 0 for the current revision.
Definition: Article.php:61
static openElement($element, $attribs=null)
This opens an XML element.
Definition: Xml.php:109
hasViewableContent()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2356
getComment($audience=Revision::FOR_PUBLIC, User $user=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2196
getTitle()
Get the title object of the article.
Definition: Article.php:181
loadFromRow($data, $from)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2416
$cache
Definition: mcc.php:33
getActionOverrides()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2172
doViewUpdates(User $user, $oldid=0)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2148
getTitle()
Get the title object of the article.
Definition: WikiPage.php:236
const NS_CATEGORY
Definition: Defines.php:79
doPurge()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2140
null means default in associative array with keys and values unescaped Should be merged with default with a value of false meaning to suppress the attribute in associative array with keys and values unescaped & $options
Definition: hooks.txt:2019
doDeleteArticleReal($reason, $suppress=false, $u1=null, $u2=null, &$error= '', User $user=null, $tags=[])
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2095
static newFromTitle($title, IContextSource $context)
Create an Article object of the appropriate class for the given page.
Definition: Article.php:120
wfDeprecated($function, $version=false, $component=false, $callerOffset=2)
Throws a warning that $function is deprecated.
render()
Handle action=render.
Definition: Article.php:1532
static isIP($name)
Does the string match an anonymous IP address?
Definition: User.php:937
const DELETED_RESTRICTED
Definition: Revision.php:50
getCategories()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2188
namespace and then decline to actually register it file or subcat img or subcat $title
Definition: hooks.txt:941
static linkKnown($target, $html=null, $customAttribs=[], $query=[], $options=[ 'known'])
Identical to link(), except $options defaults to 'known'.
Definition: Linker.php:164
replaceSectionAtRev($sectionId, Content $sectionContent, $sectionTitle= '', $baseRevId=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2494
static run($event, array $args=[], $deprecatedVersion=null)
Call hook functions defined in Hooks::register and $wgHooks.
Definition: Hooks.php:203
design txt This is a brief overview of the new design More thorough and up to date information is available on the documentation wiki at etc Handles the details of getting and saving to the user table of the and dealing with sessions and cookies OutputPage Encapsulates the entire HTML page that will be sent in response to any server request It is used by calling its functions to add text
Definition: design.txt:12
checkFlags($flags)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2071
const NS_FILE
Definition: Defines.php:71
static makeContent($text, Title $title=null, $modelId=null, $format=null)
Convenience function for creating a Content object from a given textual representation.
$wgRedirectSources
If local interwikis are set up which allow redirects, set this regexp to restrict URLs which will be ...
const TYPE_AUTO
Definition: Block.php:86
presenting them properly to the user as errors is done by the caller return true use this to change the list i e etc $rev
Definition: hooks.txt:1799
static getForTitle(Title $title)
Returns the appropriate ContentHandler singleton for the given title.
This document is intended to provide useful advice for parties seeking to redistribute MediaWiki to end users It s targeted particularly at maintainers for Linux since it s been observed that distribution packages of MediaWiki often break We ve consistently had to recommend that users seeking support use official tarballs instead of their distribution s and this often solves whatever problem the user is having It would be nice if this could such as
Definition: distributors.txt:9
getContentHandler()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2204
const NS_MEDIAWIKI
Definition: Defines.php:73
static link($target, $html=null, $customAttribs=[], $query=[], $options=[])
This function returns an HTML link to the given target.
Definition: Linker.php:107
Title $mRedirectedFrom
Title from which we were redirected here.
Definition: Article.php:64
const DELETED_TEXT
Definition: Revision.php:47
getCreator($audience=Revision::FOR_PUBLIC, User $user=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2228
addHelpLink($to, $overrideBaseUrl=false)
Adds help link with an icon via page indicators.
Definition: Article.php:1515
newPage(Title $title)
Definition: Article.php:99
static newFromId($id, $flags=0)
Load a page revision from a given revision ID number.
Definition: Revision.php:114
getOldestRevision()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2284
string $mContent
Text of the revision we are working on.
Definition: Article.php:49
static makeExternalLink($url, $text, $escape=true, $linktype= '', $attribs=[], $title=null)
Make an external link.
Definition: Linker.php:843
null for the local wiki Added should default to null in handler for backwards compatibility add a value to it if you want to add a cookie that have to vary cache options can modify as strings Extensions should add to this list prev or next refreshes the diff cache $unhide
Definition: hooks.txt:1623
clear()
Clear the object.
Definition: Article.php:198
bool $mContentLoaded
Is the content ($mContent) already loaded?
Definition: Article.php:58
injection txt This is an overview of how MediaWiki makes use of dependency injection The design described here grew from the discussion of RFC T384 The term dependency this means that anything an object needs to operate should be injected from the the object itself should only know narrow no concrete implementation of the logic it relies on The requirement to inject everything typically results in an architecture that based on two main types of and essentially stateless service objects that use other service objects to operate on the value objects As of the beginning MediaWiki is only starting to use the DI approach Much of the code still relies on global state or direct resulting in a highly cyclical dependency which acts as the top level factory for services in MediaWiki which can be used to gain access to default instances of various services MediaWikiServices however also allows new services to be defined and default services to be redefined Services are defined or redefined by providing a callback the instantiator that will return a new instance of the service When it will create an instance of MediaWikiServices and populate it with the services defined in the files listed by thereby bootstrapping the DI framework Per $wgServiceWiringFiles lists includes ServiceWiring php
Definition: injection.txt:35
getAutoDeleteReason(&$hasHistory)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2180
checkTouched()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2079
updateRevisionOn($dbw, $revision, $lastRevision=null, $lastRevIsRedirect=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2574
static newFromID($id)
Constructor from a page id.
Definition: Article.php:108
getId()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2252
getTimestamp()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2316
pageDataFromTitle($dbr, $title, $options=[])
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2456
getMinorEdit()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2276
view()
This is the default action of the index.php entry point: just view the page of the given title...
Definition: Article.php:435
static numParam($num)
Definition: Message.php:1028
getContentObject()
Returns a Content object representing the pages effective display content, not necessarily the revisi...
Definition: Article.php:223
getOldID()
Definition: Article.php:249
doDelete($reason, $suppress=false)
Perform a deletion and output success or failure messages.
Definition: Article.php:1854
showNamespaceHeader()
Show a header specific to the namespace currently being viewed, like [[MediaWiki:Talkpagetext]].
Definition: Article.php:939
Show an error when a user tries to do something they do not have the necessary permissions for...
if(defined( 'MW_SETUP_CALLBACK')) $fname
Customization point after all loading (constants, functions, classes, DefaultSettings, LocalSettings).
Definition: Setup.php:118
updateRedirectOn($dbw, $redirectTitle, $lastRevIsRedirect=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2566
tryFileCache()
checkLastModified returns true if it has taken care of all output to the client that is necessary for...
Definition: Article.php:1907
do that in ParserLimitReportFormat instead use this to modify the parameters of the image all existing parser cache entries will be invalid To avoid you ll need to handle that somehow(e.g.with the RejectParserCacheValue hook) because MediaWiki won't do it for you.&$defaults also a ContextSource after deleting those rows but within the same transaction you ll probably need to make sure the header is varied on and they can depend only on the ResourceLoaderContext $context
Definition: hooks.txt:2636
insertRedirectEntry(Title $rt, $oldLatest=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2392
const POST_EDIT_COOKIE_KEY_PREFIX
Prefix of key for cookie used to pass post-edit state.
Definition: EditPage.php:201
int $mRevIdFetched
Revision ID of revision we are working on.
Definition: Article.php:70
Status::newGood()`to allow deletion, and then`return false`from the hook function.Ensure you consume the 'ChangeTagAfterDelete'hook to carry out custom deletion actions.$tag:name of the tag $user:user initiating the action &$status:Status object.See above. 'ChangeTagsListActive':Allows you to nominate which of the tags your extension uses are in active use.&$tags:list of all active tags.Append to this array. 'ChangeTagsAfterUpdateTags':Called after tags have been updated with the ChangeTags::updateTags function.Params:$addedTags:tags effectively added in the update $removedTags:tags effectively removed in the update $prevTags:tags that were present prior to the update $rc_id:recentchanges table id $rev_id:revision table id $log_id:logging table id $params:tag params $rc:RecentChange being tagged when the tagging accompanies the action or null $user:User who performed the tagging when the tagging is subsequent to the action or null 'ChangeTagsAllowedAdd':Called when checking if a user can add tags to a change.&$allowedTags:List of all the tags the user is allowed to add.Any tags the user wants to add($addTags) that are not in this array will cause it to fail.You may add or remove tags to this array as required.$addTags:List of tags user intends to add.$user:User who is adding the tags. 'ChangeUserGroups':Called before user groups are changed.$performer:The User who will perform the change $user:The User whose groups will be changed &$add:The groups that will be added &$remove:The groups that will be removed 'Collation::factory':Called if $wgCategoryCollation is an unknown collation.$collationName:Name of the collation in question &$collationObject:Null.Replace with a subclass of the Collation class that implements the collation given in $collationName. 'ConfirmEmailComplete':Called after a user's email has been confirmed successfully.$user:user(object) whose email is being confirmed 'ContentAlterParserOutput':Modify parser output for a given content object.Called by Content::getParserOutput after parsing has finished.Can be used for changes that depend on the result of the parsing but have to be done before LinksUpdate is called(such as adding tracking categories based on the rendered HTML).$content:The Content to render $title:Title of the page, as context $parserOutput:ParserOutput to manipulate 'ContentGetParserOutput':Customize parser output for a given content object, called by AbstractContent::getParserOutput.May be used to override the normal model-specific rendering of page content.$content:The Content to render $title:Title of the page, as context $revId:The revision ID, as context $options:ParserOptions for rendering.To avoid confusing the parser cache, the output can only depend on parameters provided to this hook function, not on global state.$generateHtml:boolean, indicating whether full HTML should be generated.If false, generation of HTML may be skipped, but other information should still be present in the ParserOutput object.&$output:ParserOutput, to manipulate or replace 'ContentHandlerDefaultModelFor':Called when the default content model is determined for a given title.May be used to assign a different model for that title.$title:the Title in question &$model:the model name.Use with CONTENT_MODEL_XXX constants. 'ContentHandlerForModelID':Called when a ContentHandler is requested for a given content model name, but no entry for that model exists in $wgContentHandlers.Note:if your extension implements additional models via this hook, please use GetContentModels hook to make them known to core.$modeName:the requested content model name &$handler:set this to a ContentHandler object, if desired. 'ContentModelCanBeUsedOn':Called to determine whether that content model can be used on a given page.This is especially useful to prevent some content models to be used in some special location.$contentModel:ID of the content model in question $title:the Title in question.&$ok:Output parameter, whether it is OK to use $contentModel on $title.Handler functions that modify $ok should generally return false to prevent further hooks from further modifying $ok. 'ContribsPager::getQueryInfo':Before the contributions query is about to run &$pager:Pager object for contributions &$queryInfo:The query for the contribs Pager 'ContribsPager::reallyDoQuery':Called before really executing the query for My Contributions &$data:an array of results of all contribs queries $pager:The ContribsPager object hooked into $offset:Index offset, inclusive $limit:Exact query limit $descending:Query direction, false for ascending, true for descending 'ContributionsLineEnding':Called before a contributions HTML line is finished $page:SpecialPage object for contributions &$ret:the HTML line $row:the DB row for this line &$classes:the classes to add to the surrounding< li > &$attribs:associative array of other HTML attributes for the< li > element.Currently only data attributes reserved to MediaWiki are allowed(see Sanitizer::isReservedDataAttribute). 'ContributionsToolLinks':Change tool links above Special:Contributions $id:User identifier $title:User page title &$tools:Array of tool links $specialPage:SpecialPage instance for context and services.Can be either SpecialContributions or DeletedContributionsPage.Extensions should type hint against a generic SpecialPage though. 'ConvertContent':Called by AbstractContent::convert when a conversion to another content model is requested.Handler functions that modify $result should generally return false to disable further attempts at conversion.$content:The Content object to be converted.$toModel:The ID of the content model to convert to.$lossy:boolean indicating whether lossy conversion is allowed.&$result:Output parameter, in case the handler function wants to provide a converted Content object.Note that $result->getContentModel() must return $toModel. 'ContentSecurityPolicyDefaultSource':Modify the allowed CSP load sources.This affects all directives except for the script directive.If you want to add a script source, see ContentSecurityPolicyScriptSource hook.&$defaultSrc:Array of Content-Security-Policy allowed sources $policyConfig:Current configuration for the Content-Security-Policy header $mode:ContentSecurityPolicy::REPORT_ONLY_MODE or ContentSecurityPolicy::FULL_MODE depending on type of header 'ContentSecurityPolicyDirectives':Modify the content security policy directives.Use this only if ContentSecurityPolicyDefaultSource and ContentSecurityPolicyScriptSource do not meet your needs.&$directives:Array of CSP directives $policyConfig:Current configuration for the CSP header $mode:ContentSecurityPolicy::REPORT_ONLY_MODE or ContentSecurityPolicy::FULL_MODE depending on type of header 'ContentSecurityPolicyScriptSource':Modify the allowed CSP script sources.Note that you also have to use ContentSecurityPolicyDefaultSource if you want non-script sources to be loaded from whatever you add.&$scriptSrc:Array of CSP directives $policyConfig:Current configuration for the CSP header $mode:ContentSecurityPolicy::REPORT_ONLY_MODE or ContentSecurityPolicy::FULL_MODE depending on type of header 'CustomEditor':When invoking the page editor Return true to allow the normal editor to be used, or false if implementing a custom editor, e.g.for a special namespace, etc.$article:Article being edited $user:User performing the edit 'DatabaseOraclePostInit':Called after initialising an Oracle database $db:the DatabaseOracle object 'DeletedContribsPager::reallyDoQuery':Called before really executing the query for Special:DeletedContributions Similar to ContribsPager::reallyDoQuery &$data:an array of results of all contribs queries $pager:The DeletedContribsPager object hooked into $offset:Index offset, inclusive $limit:Exact query limit $descending:Query direction, false for ascending, true for descending 'DeletedContributionsLineEnding':Called before a DeletedContributions HTML line is finished.Similar to ContributionsLineEnding $page:SpecialPage object for DeletedContributions &$ret:the HTML line $row:the DB row for this line &$classes:the classes to add to the surrounding< li > &$attribs:associative array of other HTML attributes for the< li > element.Currently only data attributes reserved to MediaWiki are allowed(see Sanitizer::isReservedDataAttribute). 'DeleteUnknownPreferences':Called by the cleanupPreferences.php maintenance script to build a WHERE clause with which to delete preferences that are not known about.This hook is used by extensions that have dynamically-named preferences that should not be deleted in the usual cleanup process.For example, the Gadgets extension creates preferences prefixed with 'gadget-', and so anything with that prefix is excluded from the deletion.&where:An array that will be passed as the $cond parameter to IDatabase::select() to determine what will be deleted from the user_properties table.$db:The IDatabase object, useful for accessing $db->buildLike() etc. 'DifferenceEngineAfterLoadNewText':called in DifferenceEngine::loadNewText() after the new revision's content has been loaded into the class member variable $differenceEngine->mNewContent but before returning true from this function.$differenceEngine:DifferenceEngine object 'DifferenceEngineLoadTextAfterNewContentIsLoaded':called in DifferenceEngine::loadText() after the new revision's content has been loaded into the class member variable $differenceEngine->mNewContent but before checking if the variable's value is null.This hook can be used to inject content into said class member variable.$differenceEngine:DifferenceEngine object 'DifferenceEngineMarkPatrolledLink':Allows extensions to change the"mark as patrolled"link which is shown both on the diff header as well as on the bottom of a page, usually wrapped in a span element which has class="patrollink".$differenceEngine:DifferenceEngine object &$markAsPatrolledLink:The"mark as patrolled"link HTML(string) $rcid:Recent change ID(rc_id) for this change(int) 'DifferenceEngineMarkPatrolledRCID':Allows extensions to possibly change the rcid parameter.For example the rcid might be set to zero due to the user being the same as the performer of the change but an extension might still want to show it under certain conditions.&$rcid:rc_id(int) of the change or 0 $differenceEngine:DifferenceEngine object $change:RecentChange object $user:User object representing the current user 'DifferenceEngineNewHeader':Allows extensions to change the $newHeader variable, which contains information about the new revision, such as the revision's author, whether the revision was marked as a minor edit or not, etc.$differenceEngine:DifferenceEngine object &$newHeader:The string containing the various#mw-diff-otitle[1-5] divs, which include things like revision author info, revision comment, RevisionDelete link and more $formattedRevisionTools:Array containing revision tools, some of which may have been injected with the DiffRevisionTools hook $nextlink:String containing the link to the next revision(if any) $status
Definition: hooks.txt:1287
fetchContentObject()
Get text content object Does NOT follow redirects.
Definition: Article.php:320
const DB_REPLICA
Definition: defines.php:25
setOldSubtitle($oldid=0)
Generate the navigation links when browsing through an article revisions It shows the information as:...
Definition: Article.php:1318
isCurrent()
Returns true if the currently-referenced revision is the current edit to this page (and it exists)...
Definition: Article.php:396
unprotect()
action=unprotect handler (alias)
Definition: Article.php:1550
Handles the page protection UI and backend.
getTouched()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2324
this hook is for auditing only or null if authentication failed before getting that far or null if we can t even determine that probably a stub it is not rendered in wiki pages or galleries in category pages allow injecting custom HTML after the section Any uses of the hook need to handle escaping see BaseTemplate::getToolbox and BaseTemplate::makeListItem for details on the format of individual items inside of this array or by returning and letting standard HTTP rendering take place modifiable or by returning false and taking over the output modifiable modifiable after all normalizations have been except for the $wgMaxImageArea check set to true or false to override the $wgMaxImageArea check result gives extension the possibility to transform it themselves $handler
Definition: hooks.txt:790
getUser($audience=Revision::FOR_PUBLIC, User $user=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2340
static newFromWikiPage(WikiPage $page, IContextSource $context)
Create an Article object of the appropriate class for the given page.
Definition: Article.php:152
static doWatchOrUnwatch($watch, Title $title, User $user)
Watch or unwatch a page.
Definition: WatchAction.php:89
$wgSend404Code
Some web hosts attempt to rewrite all responses with a 404 (not found) status code, mangling or hiding MediaWiki's output.
replaceSectionContent($sectionId, Content $sectionContent, $sectionTitle= '', $edittime=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2506
setContext($context)
Sets the context this Article is executed in.
Definition: Article.php:2013
getRevIdFetched()
Use this to fetch the rev ID used on page views.
Definition: Article.php:423
const NS_USER_TALK
Definition: Defines.php:68
static revUserTools($rev, $isPublic=false)
Generate a user tool link cluster if the current user is allowed to view it.
Definition: Linker.php:1070
showDiffPage()
Show a diff page according to current request variables.
Definition: Article.php:703
getRedirectURL($rt)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2300
Definition: Block.php:27
do that in ParserLimitReportFormat instead use this to modify the parameters of the image all existing parser cache entries will be invalid To avoid you ll need to handle that somehow(e.g.with the RejectParserCacheValue hook) because MediaWiki won't do it for you.&$defaults also a ContextSource after deleting those rows but within the same transaction you ll probably need to make sure the header is varied on $request
Definition: hooks.txt:2636
showDeletedRevisionHeader()
If the revision requested for view is deleted, check permissions.
Definition: Article.php:1275
static makeTitle($ns, $title, $fragment= '', $interwiki= '')
Create a new Title from a namespace index and a DB key.
Definition: Title.php:534
setRedirectedFrom(Title $from)
Tell the page view functions that this view was redirected from another page on the wiki...
Definition: Article.php:172
please add to it if you re going to add events to the MediaWiki code where normally authentication against an external auth plugin would be creating a local account $user
Definition: hooks.txt:244
getContentModel()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2212
getLinksTimestamp()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2268
insertOn($dbw, $pageId=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2364
static listDropDownOptions($list, $params=[])
Build options for a drop-down box from a textual list.
Definition: Xml.php:540
getParserOptions()
Get parser options suitable for rendering the primary article wikitext.
Definition: Article.php:1999
const RC_LOG
Definition: Defines.php:145
Revision $mRevision
Revision we are working on.
Definition: Article.php:73
getUserText($audience=Revision::FOR_PUBLIC, User $user=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2348
showPatrolFooter()
If patrol is possible, output a patrol UI box.
Definition: Article.php:976
static formatRobotPolicy($policy)
Converts a String robot policy into an associative array, to allow merging of several policies using ...
Definition: Article.php:833
getHiddenCategories()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2244