MediaWiki  master
Article.php
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1 <?php
27 
38 class Article implements Page {
43  protected $mContext;
44 
46  protected $mPage;
47 
53 
63 
70  public $mContentLoaded = false;
71 
77  public $mOldId;
78 
80  public $mRedirectedFrom = null;
81 
83  public $mRedirectUrl = false;
84 
90  public $mRevIdFetched = 0;
91 
100  private $fetchResult = null;
101 
109  public $mRevision = null;
110 
116  public $mParserOutput = null;
117 
123  protected $viewIsRenderAction = false;
124 
130  public function __construct( Title $title, $oldId = null ) {
131  $this->mOldId = $oldId;
132  $this->mPage = $this->newPage( $title );
133  }
134 
139  protected function newPage( Title $title ) {
140  return new WikiPage( $title );
141  }
142 
148  public static function newFromID( $id ) {
149  $t = Title::newFromID( $id );
150  return $t == null ? null : new static( $t );
151  }
152 
160  public static function newFromTitle( $title, IContextSource $context ) {
161  if ( NS_MEDIA == $title->getNamespace() ) {
162  // XXX: This should not be here, but where should it go?
163  $title = Title::makeTitle( NS_FILE, $title->getDBkey() );
164  }
165 
166  $page = null;
167  Hooks::run( 'ArticleFromTitle', [ &$title, &$page, $context ] );
168  if ( !$page ) {
169  switch ( $title->getNamespace() ) {
170  case NS_FILE:
171  $page = new ImagePage( $title );
172  break;
173  case NS_CATEGORY:
174  $page = new CategoryPage( $title );
175  break;
176  default:
177  $page = new Article( $title );
178  }
179  }
180  $page->setContext( $context );
181 
182  return $page;
183  }
184 
192  public static function newFromWikiPage( WikiPage $page, IContextSource $context ) {
193  $article = self::newFromTitle( $page->getTitle(), $context );
194  $article->mPage = $page; // override to keep process cached vars
195  return $article;
196  }
197 
203  public function getRedirectedFrom() {
204  return $this->mRedirectedFrom;
205  }
206 
212  public function setRedirectedFrom( Title $from ) {
213  $this->mRedirectedFrom = $from;
214  }
215 
221  public function getTitle() {
222  return $this->mPage->getTitle();
223  }
224 
231  public function getPage() {
232  return $this->mPage;
233  }
234 
238  public function clear() {
239  $this->mContentLoaded = false;
240 
241  $this->mRedirectedFrom = null; # Title object if set
242  $this->mRevIdFetched = 0;
243  $this->mRedirectUrl = false;
244  $this->mRevision = null;
245  $this->mContentObject = null;
246  $this->fetchResult = null;
247 
248  // TODO hard-deprecate direct access to public fields
249 
250  $this->mPage->clear();
251  }
252 
270  protected function getContentObject() {
271  if ( $this->mPage->getId() === 0 ) {
272  $content = $this->getSubstituteContent();
273  } else {
274  $this->fetchContentObject();
276  }
277 
278  return $content;
279  }
280 
286  private function getSubstituteContent() {
287  # If this is a MediaWiki:x message, then load the messages
288  # and return the message value for x.
289  if ( $this->getTitle()->getNamespace() == NS_MEDIAWIKI ) {
290  $text = $this->getTitle()->getDefaultMessageText();
291  if ( $text === false ) {
292  $text = '';
293  }
294 
295  $content = ContentHandler::makeContent( $text, $this->getTitle() );
296  } else {
297  $message = $this->getContext()->getUser()->isLoggedIn() ? 'noarticletext' : 'noarticletextanon';
298  $content = new MessageContent( $message, null );
299  }
300 
301  return $content;
302  }
303 
313  protected function getEmptyPageParserOutput( ParserOptions $options ) {
314  $content = $this->getSubstituteContent();
315 
316  return $content->getParserOutput( $this->getTitle(), 0, $options );
317  }
318 
326  public function getOldID() {
327  if ( is_null( $this->mOldId ) ) {
328  $this->mOldId = $this->getOldIDFromRequest();
329  }
330 
331  return $this->mOldId;
332  }
333 
339  public function getOldIDFromRequest() {
340  $this->mRedirectUrl = false;
341 
342  $request = $this->getContext()->getRequest();
343  $oldid = $request->getIntOrNull( 'oldid' );
344 
345  if ( $oldid === null ) {
346  return 0;
347  }
348 
349  if ( $oldid !== 0 ) {
350  # Load the given revision and check whether the page is another one.
351  # In that case, update this instance to reflect the change.
352  if ( $oldid === $this->mPage->getLatest() ) {
353  $this->mRevision = $this->mPage->getRevision();
354  } else {
355  $this->mRevision = Revision::newFromId( $oldid );
356  if ( $this->mRevision !== null ) {
357  // Revision title doesn't match the page title given?
358  if ( $this->mPage->getId() != $this->mRevision->getPage() ) {
359  $function = get_class( $this->mPage ) . '::newFromID';
360  $this->mPage = $function( $this->mRevision->getPage() );
361  }
362  }
363  }
364  }
365 
366  $rl = MediaWikiServices::getInstance()->getRevisionLookup();
367  $oldRev = $this->mRevision ? $this->mRevision->getRevisionRecord() : null;
368  if ( $request->getVal( 'direction' ) == 'next' ) {
369  $nextid = 0;
370  if ( $oldRev ) {
371  $nextRev = $rl->getNextRevision( $oldRev );
372  if ( $nextRev ) {
373  $nextid = $nextRev->getId();
374  }
375  }
376  if ( $nextid ) {
377  $oldid = $nextid;
378  $this->mRevision = null;
379  } else {
380  $this->mRedirectUrl = $this->getTitle()->getFullURL( 'redirect=no' );
381  }
382  } elseif ( $request->getVal( 'direction' ) == 'prev' ) {
383  $previd = 0;
384  if ( $oldRev ) {
385  $prevRev = $rl->getPreviousRevision( $oldRev );
386  if ( $prevRev ) {
387  $previd = $prevRev->getId();
388  }
389  }
390  if ( $previd ) {
391  $oldid = $previd;
392  $this->mRevision = null;
393  }
394  }
395 
396  $this->mRevIdFetched = $this->mRevision ? $this->mRevision->getId() : 0;
397 
398  return $oldid;
399  }
400 
414  protected function fetchContentObject() {
415  if ( !$this->mContentLoaded ) {
416  $this->fetchRevisionRecord();
417  }
418 
419  return $this->mContentObject;
420  }
421 
431  protected function fetchRevisionRecord() {
432  if ( $this->fetchResult ) {
433  return $this->mRevision ? $this->mRevision->getRevisionRecord() : null;
434  }
435 
436  $this->mContentLoaded = true;
437  $this->mContentObject = null;
438 
439  $oldid = $this->getOldID();
440 
441  // $this->mRevision might already be fetched by getOldIDFromRequest()
442  if ( !$this->mRevision ) {
443  if ( !$oldid ) {
444  $this->mRevision = $this->mPage->getRevision();
445 
446  if ( !$this->mRevision ) {
447  wfDebug( __METHOD__ . " failed to find page data for title " .
448  $this->getTitle()->getPrefixedText() . "\n" );
449 
450  // Just for sanity, output for this case is done by showMissingArticle().
451  $this->fetchResult = Status::newFatal( 'noarticletext' );
452  $this->applyContentOverride( $this->makeFetchErrorContent() );
453  return null;
454  }
455  } else {
456  $this->mRevision = Revision::newFromId( $oldid );
457 
458  if ( !$this->mRevision ) {
459  wfDebug( __METHOD__ . " failed to load revision, rev_id $oldid\n" );
460 
461  $this->fetchResult = Status::newFatal( 'missing-revision', $oldid );
462  $this->applyContentOverride( $this->makeFetchErrorContent() );
463  return null;
464  }
465  }
466  }
467 
468  $this->mRevIdFetched = $this->mRevision->getId();
469  $this->fetchResult = Status::newGood( $this->mRevision );
470 
471  if (
472  !$this->mRevision->userCan( RevisionRecord::DELETED_TEXT, $this->getContext()->getUser() )
473  ) {
474  wfDebug( __METHOD__ . " failed to retrieve content of revision " .
475  $this->mRevision->getId() . "\n" );
476 
477  // Just for sanity, output for this case is done by showDeletedRevisionHeader().
478  $this->fetchResult = Status::newFatal( 'rev-deleted-text-permission' );
479  $this->applyContentOverride( $this->makeFetchErrorContent() );
480  return null;
481  }
482 
483  if ( Hooks::isRegistered( 'ArticleAfterFetchContentObject' ) ) {
484  $contentObject = $this->mRevision->getContent(
485  RevisionRecord::FOR_THIS_USER,
486  $this->getContext()->getUser()
487  );
488 
489  $hookContentObject = $contentObject;
490 
491  // Avoid PHP 7.1 warning of passing $this by reference
492  $articlePage = $this;
493 
494  Hooks::run(
495  'ArticleAfterFetchContentObject',
496  [ &$articlePage, &$hookContentObject ],
497  '1.32'
498  );
499 
500  if ( $hookContentObject !== $contentObject ) {
501  // A hook handler is trying to override the content
502  $this->applyContentOverride( $hookContentObject );
503  }
504  }
505 
506  // For B/C only
507  $this->mContentObject = $this->mRevision->getContent(
508  RevisionRecord::FOR_THIS_USER,
509  $this->getContext()->getUser()
510  );
511 
512  return $this->mRevision->getRevisionRecord();
513  }
514 
521  private function makeFetchErrorContent() {
522  if ( !$this->fetchResult || $this->fetchResult->isOK() ) {
523  return null;
524  }
525 
526  return new MessageContent( $this->fetchResult->getMessage() );
527  }
528 
541  private function applyContentOverride( Content $override ) {
542  // Construct a fake revision
543  $rev = new MutableRevisionRecord( $this->getTitle() );
544  $rev->setContent( SlotRecord::MAIN, $override );
545 
546  $this->mRevision = new Revision( $rev );
547 
548  // For B/C only
549  $this->mContentObject = $override;
550  }
551 
557  public function isCurrent() {
558  # If no oldid, this is the current version.
559  if ( $this->getOldID() == 0 ) {
560  return true;
561  }
562 
563  return $this->mPage->exists() && $this->mRevision && $this->mRevision->isCurrent();
564  }
565 
575  public function getRevisionFetched() {
576  $this->fetchRevisionRecord();
577 
578  if ( $this->fetchResult->isOK() ) {
579  return $this->mRevision;
580  }
581  }
582 
591  public function getRevIdFetched() {
592  if ( $this->fetchResult && $this->fetchResult->isOK() ) {
593  return $this->fetchResult->value->getId();
594  } else {
595  return $this->mPage->getLatest();
596  }
597  }
598 
603  public function view() {
604  global $wgUseFileCache;
605 
606  # Get variables from query string
607  # As side effect this will load the revision and update the title
608  # in a revision ID is passed in the request, so this should remain
609  # the first call of this method even if $oldid is used way below.
610  $oldid = $this->getOldID();
611 
612  $user = $this->getContext()->getUser();
613  # Another whitelist check in case getOldID() is altering the title
614  $permErrors = $this->getTitle()->getUserPermissionsErrors( 'read', $user );
615  if ( count( $permErrors ) ) {
616  wfDebug( __METHOD__ . ": denied on secondary read check\n" );
617  throw new PermissionsError( 'read', $permErrors );
618  }
619 
620  $outputPage = $this->getContext()->getOutput();
621  # getOldID() may as well want us to redirect somewhere else
622  if ( $this->mRedirectUrl ) {
623  $outputPage->redirect( $this->mRedirectUrl );
624  wfDebug( __METHOD__ . ": redirecting due to oldid\n" );
625 
626  return;
627  }
628 
629  # If we got diff in the query, we want to see a diff page instead of the article.
630  if ( $this->getContext()->getRequest()->getCheck( 'diff' ) ) {
631  wfDebug( __METHOD__ . ": showing diff page\n" );
632  $this->showDiffPage();
633 
634  return;
635  }
636 
637  # Set page title (may be overridden by DISPLAYTITLE)
638  $outputPage->setPageTitle( $this->getTitle()->getPrefixedText() );
639 
640  $outputPage->setArticleFlag( true );
641  # Allow frames by default
642  $outputPage->allowClickjacking();
643 
644  $parserCache = MediaWikiServices::getInstance()->getParserCache();
645 
646  $parserOptions = $this->getParserOptions();
647  $poOptions = [];
648  # Render printable version, use printable version cache
649  if ( $outputPage->isPrintable() ) {
650  $parserOptions->setIsPrintable( true );
651  $poOptions['enableSectionEditLinks'] = false;
652  } elseif ( $this->viewIsRenderAction || !$this->isCurrent() ||
653  !MediaWikiServices::getInstance()->getPermissionManager()
654  ->quickUserCan( 'edit', $user, $this->getTitle() )
655  ) {
656  $poOptions['enableSectionEditLinks'] = false;
657  }
658 
659  # Try client and file cache
660  if ( $oldid === 0 && $this->mPage->checkTouched() ) {
661  # Try to stream the output from file cache
662  if ( $wgUseFileCache && $this->tryFileCache() ) {
663  wfDebug( __METHOD__ . ": done file cache\n" );
664  # tell wgOut that output is taken care of
665  $outputPage->disable();
666  $this->mPage->doViewUpdates( $user, $oldid );
667 
668  return;
669  }
670  }
671 
672  # Should the parser cache be used?
673  $useParserCache = $this->mPage->shouldCheckParserCache( $parserOptions, $oldid );
674  wfDebug( 'Article::view using parser cache: ' . ( $useParserCache ? 'yes' : 'no' ) . "\n" );
675  if ( $user->getStubThreshold() ) {
676  MediaWikiServices::getInstance()->getStatsdDataFactory()->increment( 'pcache_miss_stub' );
677  }
678 
679  $this->showRedirectedFromHeader();
680  $this->showNamespaceHeader();
681 
682  # Iterate through the possible ways of constructing the output text.
683  # Keep going until $outputDone is set, or we run out of things to do.
684  $pass = 0;
685  $outputDone = false;
686  $this->mParserOutput = false;
687 
688  while ( !$outputDone && ++$pass ) {
689  switch ( $pass ) {
690  case 1:
691  // Avoid PHP 7.1 warning of passing $this by reference
692  $articlePage = $this;
693  Hooks::run( 'ArticleViewHeader', [ &$articlePage, &$outputDone, &$useParserCache ] );
694  break;
695  case 2:
696  # Early abort if the page doesn't exist
697  if ( !$this->mPage->exists() ) {
698  wfDebug( __METHOD__ . ": showing missing article\n" );
699  $this->showMissingArticle();
700  $this->mPage->doViewUpdates( $user );
701  return;
702  }
703 
704  # Try the parser cache
705  if ( $useParserCache ) {
706  $this->mParserOutput = $parserCache->get( $this->mPage, $parserOptions );
707 
708  if ( $this->mParserOutput !== false ) {
709  if ( $oldid ) {
710  wfDebug( __METHOD__ . ": showing parser cache contents for current rev permalink\n" );
711  $this->setOldSubtitle( $oldid );
712  } else {
713  wfDebug( __METHOD__ . ": showing parser cache contents\n" );
714  }
715  $outputPage->addParserOutput( $this->mParserOutput, $poOptions );
716  # Ensure that UI elements requiring revision ID have
717  # the correct version information.
718  $outputPage->setRevisionId( $this->mPage->getLatest() );
719  # Preload timestamp to avoid a DB hit
720  $cachedTimestamp = $this->mParserOutput->getTimestamp();
721  if ( $cachedTimestamp !== null ) {
722  $outputPage->setRevisionTimestamp( $cachedTimestamp );
723  $this->mPage->setTimestamp( $cachedTimestamp );
724  }
725  $outputDone = true;
726  }
727  }
728  break;
729  case 3:
730  # Are we looking at an old revision
731  $rev = $this->fetchRevisionRecord();
732  if ( $oldid && $this->fetchResult->isOK() ) {
733  $this->setOldSubtitle( $oldid );
734 
735  if ( !$this->showDeletedRevisionHeader() ) {
736  wfDebug( __METHOD__ . ": cannot view deleted revision\n" );
737  return;
738  }
739  }
740 
741  # Ensure that UI elements requiring revision ID have
742  # the correct version information.
743  $outputPage->setRevisionId( $this->getRevIdFetched() );
744  # Preload timestamp to avoid a DB hit
745  $outputPage->setRevisionTimestamp( $this->mPage->getTimestamp() );
746 
747  # Pages containing custom CSS or JavaScript get special treatment
748  if ( $this->getTitle()->isSiteConfigPage() || $this->getTitle()->isUserConfigPage() ) {
749  $dir = $this->getContext()->getLanguage()->getDir();
750  $lang = $this->getContext()->getLanguage()->getHtmlCode();
751 
752  $outputPage->wrapWikiMsg(
753  "<div id='mw-clearyourcache' lang='$lang' dir='$dir' class='mw-content-$dir'>\n$1\n</div>",
754  'clearyourcache'
755  );
756  } elseif ( !Hooks::run( 'ArticleRevisionViewCustom', [
757  $rev,
758  $this->getTitle(),
759  $oldid,
760  $outputPage,
761  ] )
762  ) {
763  // NOTE: sync with hooks called in DifferenceEngine::renderNewRevision()
764  // Allow extensions do their own custom view for certain pages
765  $outputDone = true;
766  } elseif ( !Hooks::run( 'ArticleContentViewCustom',
767  [ $this->fetchContentObject(), $this->getTitle(), $outputPage ], '1.32' )
768  ) {
769  // NOTE: sync with hooks called in DifferenceEngine::renderNewRevision()
770  // Allow extensions do their own custom view for certain pages
771  $outputDone = true;
772  }
773  break;
774  case 4:
775  # Run the parse, protected by a pool counter
776  wfDebug( __METHOD__ . ": doing uncached parse\n" );
777 
778  $rev = $this->fetchRevisionRecord();
779  $error = null;
780 
781  if ( $rev ) {
782  $poolArticleView = new PoolWorkArticleView(
783  $this->getPage(),
784  $parserOptions,
785  $this->getRevIdFetched(),
786  $useParserCache,
787  $rev,
788  // permission checking was done earlier via showDeletedRevisionHeader()
789  RevisionRecord::RAW
790  );
791  $ok = $poolArticleView->execute();
792  $error = $poolArticleView->getError();
793  $this->mParserOutput = $poolArticleView->getParserOutput() ?: null;
794 
795  # Don't cache a dirty ParserOutput object
796  if ( $poolArticleView->getIsDirty() ) {
797  $outputPage->setCdnMaxage( 0 );
798  $outputPage->addHTML( "<!-- parser cache is expired, " .
799  "sending anyway due to pool overload-->\n" );
800  }
801  } else {
802  $ok = false;
803  }
804 
805  if ( !$ok ) {
806  if ( $error ) {
807  $outputPage->clearHTML(); // for release() errors
808  $outputPage->enableClientCache( false );
809  $outputPage->setRobotPolicy( 'noindex,nofollow' );
810 
811  $errortext = $error->getWikiText(
812  false, 'view-pool-error', $this->getContext()->getLanguage()
813  );
814  $outputPage->wrapWikiTextAsInterface( 'errorbox', $errortext );
815  }
816  # Connection or timeout error
817  return;
818  }
819 
820  if ( $this->mParserOutput ) {
821  $outputPage->addParserOutput( $this->mParserOutput, $poOptions );
822  }
823 
824  if ( $rev && $this->getRevisionRedirectTarget( $rev ) ) {
825  $outputPage->addSubtitle( "<span id=\"redirectsub\">" .
826  $this->getContext()->msg( 'redirectpagesub' )->parse() . "</span>" );
827  }
828 
829  $outputDone = true;
830  break;
831  # Should be unreachable, but just in case...
832  default:
833  break 2;
834  }
835  }
836 
837  // Get the ParserOutput actually *displayed* here.
838  // Note that $this->mParserOutput is the *current*/oldid version output.
839  // Note that the ArticleViewHeader hook is allowed to set $outputDone to a
840  // ParserOutput instance.
841  $pOutput = ( $outputDone instanceof ParserOutput )
842  ? $outputDone // object fetched by hook
843  : ( $this->mParserOutput ?: null ); // ParserOutput or null, avoid false
844 
845  # Adjust title for main page & pages with displaytitle
846  if ( $pOutput ) {
847  $this->adjustDisplayTitle( $pOutput );
848  }
849 
850  # For the main page, overwrite the <title> element with the con-
851  # tents of 'pagetitle-view-mainpage' instead of the default (if
852  # that's not empty).
853  # This message always exists because it is in the i18n files
854  if ( $this->getTitle()->isMainPage() ) {
855  $msg = wfMessage( 'pagetitle-view-mainpage' )->inContentLanguage();
856  if ( !$msg->isDisabled() ) {
857  $outputPage->setHTMLTitle( $msg->title( $this->getTitle() )->text() );
858  }
859  }
860 
861  # Use adaptive TTLs for CDN so delayed/failed purges are noticed less often.
862  # This could use getTouched(), but that could be scary for major template edits.
863  $outputPage->adaptCdnTTL( $this->mPage->getTimestamp(), IExpiringStore::TTL_DAY );
864 
865  # Check for any __NOINDEX__ tags on the page using $pOutput
866  $policy = $this->getRobotPolicy( 'view', $pOutput ?: null );
867  $outputPage->setIndexPolicy( $policy['index'] );
868  $outputPage->setFollowPolicy( $policy['follow'] ); // FIXME: test this
869 
870  $this->showViewFooter();
871  $this->mPage->doViewUpdates( $user, $oldid ); // FIXME: test this
872 
873  # Load the postEdit module if the user just saved this revision
874  # See also EditPage::setPostEditCookie
875  $request = $this->getContext()->getRequest();
877  $postEdit = $request->getCookie( $cookieKey );
878  if ( $postEdit ) {
879  # Clear the cookie. This also prevents caching of the response.
880  $request->response()->clearCookie( $cookieKey );
881  $outputPage->addJsConfigVars( 'wgPostEdit', $postEdit );
882  $outputPage->addModules( 'mediawiki.action.view.postEdit' ); // FIXME: test this
883  }
884  }
885 
890  private function getRevisionRedirectTarget( RevisionRecord $revision ) {
891  // TODO: find a *good* place for the code that determines the redirect target for
892  // a given revision!
893  // NOTE: Use main slot content. Compare code in DerivedPageDataUpdater::revisionIsRedirect.
894  $content = $revision->getContent( SlotRecord::MAIN );
895  return $content ? $content->getRedirectTarget() : null;
896  }
897 
902  public function adjustDisplayTitle( ParserOutput $pOutput ) {
903  $out = $this->getContext()->getOutput();
904 
905  # Adjust the title if it was set by displaytitle, -{T|}- or language conversion
906  $titleText = $pOutput->getTitleText();
907  if ( strval( $titleText ) !== '' ) {
908  $out->setPageTitle( $titleText );
909  $out->setDisplayTitle( $titleText );
910  }
911  }
912 
917  protected function showDiffPage() {
918  $request = $this->getContext()->getRequest();
919  $user = $this->getContext()->getUser();
920  $diff = $request->getVal( 'diff' );
921  $rcid = $request->getVal( 'rcid' );
922  $diffOnly = $request->getBool( 'diffonly', $user->getOption( 'diffonly' ) );
923  $purge = $request->getVal( 'action' ) == 'purge';
924  $unhide = $request->getInt( 'unhide' ) == 1;
925  $oldid = $this->getOldID();
926 
927  $rev = $this->getRevisionFetched();
928 
929  if ( !$rev ) {
930  $this->getContext()->getOutput()->setPageTitle( wfMessage( 'errorpagetitle' ) );
931  $msg = $this->getContext()->msg( 'difference-missing-revision' )
932  ->params( $oldid )
933  ->numParams( 1 )
934  ->parseAsBlock();
935  $this->getContext()->getOutput()->addHTML( $msg );
936  return;
937  }
938 
939  $contentHandler = $rev->getContentHandler();
940  $de = $contentHandler->createDifferenceEngine(
941  $this->getContext(),
942  $oldid,
943  $diff,
944  $rcid,
945  $purge,
946  $unhide
947  );
948 
949  // DifferenceEngine directly fetched the revision:
950  $this->mRevIdFetched = $de->getNewid();
951  $de->showDiffPage( $diffOnly );
952 
953  // Run view updates for the newer revision being diffed (and shown
954  // below the diff if not $diffOnly).
955  list( $old, $new ) = $de->mapDiffPrevNext( $oldid, $diff );
956  // New can be false, convert it to 0 - this conveniently means the latest revision
957  $this->mPage->doViewUpdates( $user, (int)$new );
958  }
959 
967  public function getRobotPolicy( $action, ParserOutput $pOutput = null ) {
969 
970  $ns = $this->getTitle()->getNamespace();
971 
972  # Don't index user and user talk pages for blocked users (T13443)
973  if ( ( $ns == NS_USER || $ns == NS_USER_TALK ) && !$this->getTitle()->isSubpage() ) {
974  $specificTarget = null;
975  $vagueTarget = null;
976  $titleText = $this->getTitle()->getText();
977  if ( IP::isValid( $titleText ) ) {
978  $vagueTarget = $titleText;
979  } else {
980  $specificTarget = $titleText;
981  }
982  if ( DatabaseBlock::newFromTarget( $specificTarget, $vagueTarget ) instanceof DatabaseBlock ) {
983  return [
984  'index' => 'noindex',
985  'follow' => 'nofollow'
986  ];
987  }
988  }
989 
990  if ( $this->mPage->getId() === 0 || $this->getOldID() ) {
991  # Non-articles (special pages etc), and old revisions
992  return [
993  'index' => 'noindex',
994  'follow' => 'nofollow'
995  ];
996  } elseif ( $this->getContext()->getOutput()->isPrintable() ) {
997  # Discourage indexing of printable versions, but encourage following
998  return [
999  'index' => 'noindex',
1000  'follow' => 'follow'
1001  ];
1002  } elseif ( $this->getContext()->getRequest()->getInt( 'curid' ) ) {
1003  # For ?curid=x urls, disallow indexing
1004  return [
1005  'index' => 'noindex',
1006  'follow' => 'follow'
1007  ];
1008  }
1009 
1010  # Otherwise, construct the policy based on the various config variables.
1011  $policy = self::formatRobotPolicy( $wgDefaultRobotPolicy );
1012 
1013  if ( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
1014  # Honour customised robot policies for this namespace
1015  $policy = array_merge(
1016  $policy,
1017  self::formatRobotPolicy( $wgNamespaceRobotPolicies[$ns] )
1018  );
1019  }
1020  if ( $this->getTitle()->canUseNoindex() && is_object( $pOutput ) && $pOutput->getIndexPolicy() ) {
1021  # __INDEX__ and __NOINDEX__ magic words, if allowed. Incorporates
1022  # a final sanity check that we have really got the parser output.
1023  $policy = array_merge(
1024  $policy,
1025  [ 'index' => $pOutput->getIndexPolicy() ]
1026  );
1027  }
1028 
1029  if ( isset( $wgArticleRobotPolicies[$this->getTitle()->getPrefixedText()] ) ) {
1030  # (T16900) site config can override user-defined __INDEX__ or __NOINDEX__
1031  $policy = array_merge(
1032  $policy,
1033  self::formatRobotPolicy( $wgArticleRobotPolicies[$this->getTitle()->getPrefixedText()] )
1034  );
1035  }
1036 
1037  return $policy;
1038  }
1039 
1047  public static function formatRobotPolicy( $policy ) {
1048  if ( is_array( $policy ) ) {
1049  return $policy;
1050  } elseif ( !$policy ) {
1051  return [];
1052  }
1053 
1054  $policy = explode( ',', $policy );
1055  $policy = array_map( 'trim', $policy );
1056 
1057  $arr = [];
1058  foreach ( $policy as $var ) {
1059  if ( in_array( $var, [ 'index', 'noindex' ] ) ) {
1060  $arr['index'] = $var;
1061  } elseif ( in_array( $var, [ 'follow', 'nofollow' ] ) ) {
1062  $arr['follow'] = $var;
1063  }
1064  }
1065 
1066  return $arr;
1067  }
1068 
1076  public function showRedirectedFromHeader() {
1077  global $wgRedirectSources;
1078 
1079  $context = $this->getContext();
1080  $outputPage = $context->getOutput();
1081  $request = $context->getRequest();
1082  $rdfrom = $request->getVal( 'rdfrom' );
1083 
1084  // Construct a URL for the current page view, but with the target title
1085  $query = $request->getValues();
1086  unset( $query['rdfrom'] );
1087  unset( $query['title'] );
1088  if ( $this->getTitle()->isRedirect() ) {
1089  // Prevent double redirects
1090  $query['redirect'] = 'no';
1091  }
1092  $redirectTargetUrl = $this->getTitle()->getLinkURL( $query );
1093 
1094  if ( isset( $this->mRedirectedFrom ) ) {
1095  // Avoid PHP 7.1 warning of passing $this by reference
1096  $articlePage = $this;
1097 
1098  // This is an internally redirected page view.
1099  // We'll need a backlink to the source page for navigation.
1100  if ( Hooks::run( 'ArticleViewRedirect', [ &$articlePage ] ) ) {
1101  $redir = Linker::linkKnown(
1102  $this->mRedirectedFrom,
1103  null,
1104  [],
1105  [ 'redirect' => 'no' ]
1106  );
1107 
1108  $outputPage->addSubtitle( "<span class=\"mw-redirectedfrom\">" .
1109  $context->msg( 'redirectedfrom' )->rawParams( $redir )->parse()
1110  . "</span>" );
1111 
1112  // Add the script to update the displayed URL and
1113  // set the fragment if one was specified in the redirect
1114  $outputPage->addJsConfigVars( [
1115  'wgInternalRedirectTargetUrl' => $redirectTargetUrl,
1116  ] );
1117  $outputPage->addModules( 'mediawiki.action.view.redirect' );
1118 
1119  // Add a <link rel="canonical"> tag
1120  $outputPage->setCanonicalUrl( $this->getTitle()->getCanonicalURL() );
1121 
1122  // Tell the output object that the user arrived at this article through a redirect
1123  $outputPage->setRedirectedFrom( $this->mRedirectedFrom );
1124 
1125  return true;
1126  }
1127  } elseif ( $rdfrom ) {
1128  // This is an externally redirected view, from some other wiki.
1129  // If it was reported from a trusted site, supply a backlink.
1130  if ( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
1131  $redir = Linker::makeExternalLink( $rdfrom, $rdfrom );
1132  $outputPage->addSubtitle( "<span class=\"mw-redirectedfrom\">" .
1133  $context->msg( 'redirectedfrom' )->rawParams( $redir )->parse()
1134  . "</span>" );
1135 
1136  // Add the script to update the displayed URL
1137  $outputPage->addJsConfigVars( [
1138  'wgInternalRedirectTargetUrl' => $redirectTargetUrl,
1139  ] );
1140  $outputPage->addModules( 'mediawiki.action.view.redirect' );
1141 
1142  return true;
1143  }
1144  }
1145 
1146  return false;
1147  }
1148 
1153  public function showNamespaceHeader() {
1154  if ( $this->getTitle()->isTalkPage() && !wfMessage( 'talkpageheader' )->isDisabled() ) {
1155  $this->getContext()->getOutput()->wrapWikiMsg(
1156  "<div class=\"mw-talkpageheader\">\n$1\n</div>",
1157  [ 'talkpageheader' ]
1158  );
1159  }
1160  }
1161 
1165  public function showViewFooter() {
1166  # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
1167  if ( $this->getTitle()->getNamespace() == NS_USER_TALK
1168  && IP::isValid( $this->getTitle()->getText() )
1169  ) {
1170  $this->getContext()->getOutput()->addWikiMsg( 'anontalkpagetext' );
1171  }
1172 
1173  // Show a footer allowing the user to patrol the shown revision or page if possible
1174  $patrolFooterShown = $this->showPatrolFooter();
1175 
1176  Hooks::run( 'ArticleViewFooter', [ $this, $patrolFooterShown ] );
1177  }
1178 
1188  public function showPatrolFooter() {
1190 
1191  // Allow hooks to decide whether to not output this at all
1192  if ( !Hooks::run( 'ArticleShowPatrolFooter', [ $this ] ) ) {
1193  return false;
1194  }
1195 
1196  $outputPage = $this->getContext()->getOutput();
1197  $user = $this->getContext()->getUser();
1198  $title = $this->getTitle();
1199  $rc = false;
1200 
1201  if ( !MediaWikiServices::getInstance()->getPermissionManager()
1202  ->quickUserCan( 'patrol', $user, $title )
1203  || !( $wgUseRCPatrol || $wgUseNPPatrol
1204  || ( $wgUseFilePatrol && $title->inNamespace( NS_FILE ) ) )
1205  ) {
1206  // Patrolling is disabled or the user isn't allowed to
1207  return false;
1208  }
1209 
1210  if ( $this->mRevision
1211  && !RecentChange::isInRCLifespan( $this->mRevision->getTimestamp(), 21600 )
1212  ) {
1213  // The current revision is already older than what could be in the RC table
1214  // 6h tolerance because the RC might not be cleaned out regularly
1215  return false;
1216  }
1217 
1218  // Check for cached results
1219  $cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
1220  $key = $cache->makeKey( 'unpatrollable-page', $title->getArticleID() );
1221  if ( $cache->get( $key ) ) {
1222  return false;
1223  }
1224 
1225  $dbr = wfGetDB( DB_REPLICA );
1226  $oldestRevisionTimestamp = $dbr->selectField(
1227  'revision',
1228  'MIN( rev_timestamp )',
1229  [ 'rev_page' => $title->getArticleID() ],
1230  __METHOD__
1231  );
1232 
1233  // New page patrol: Get the timestamp of the oldest revison which
1234  // the revision table holds for the given page. Then we look
1235  // whether it's within the RC lifespan and if it is, we try
1236  // to get the recentchanges row belonging to that entry
1237  // (with rc_new = 1).
1238  $recentPageCreation = false;
1239  if ( $oldestRevisionTimestamp
1240  && RecentChange::isInRCLifespan( $oldestRevisionTimestamp, 21600 )
1241  ) {
1242  // 6h tolerance because the RC might not be cleaned out regularly
1243  $recentPageCreation = true;
1245  [
1246  'rc_new' => 1,
1247  'rc_timestamp' => $oldestRevisionTimestamp,
1248  'rc_namespace' => $title->getNamespace(),
1249  'rc_cur_id' => $title->getArticleID()
1250  ],
1251  __METHOD__
1252  );
1253  if ( $rc ) {
1254  // Use generic patrol message for new pages
1255  $markPatrolledMsg = wfMessage( 'markaspatrolledtext' );
1256  }
1257  }
1258 
1259  // File patrol: Get the timestamp of the latest upload for this page,
1260  // check whether it is within the RC lifespan and if it is, we try
1261  // to get the recentchanges row belonging to that entry
1262  // (with rc_type = RC_LOG, rc_log_type = upload).
1263  $recentFileUpload = false;
1264  if ( ( !$rc || $rc->getAttribute( 'rc_patrolled' ) ) && $wgUseFilePatrol
1265  && $title->getNamespace() === NS_FILE ) {
1266  // Retrieve timestamp of most recent upload
1267  $newestUploadTimestamp = $dbr->selectField(
1268  'image',
1269  'MAX( img_timestamp )',
1270  [ 'img_name' => $title->getDBkey() ],
1271  __METHOD__
1272  );
1273  if ( $newestUploadTimestamp
1274  && RecentChange::isInRCLifespan( $newestUploadTimestamp, 21600 )
1275  ) {
1276  // 6h tolerance because the RC might not be cleaned out regularly
1277  $recentFileUpload = true;
1279  [
1280  'rc_type' => RC_LOG,
1281  'rc_log_type' => 'upload',
1282  'rc_timestamp' => $newestUploadTimestamp,
1283  'rc_namespace' => NS_FILE,
1284  'rc_cur_id' => $title->getArticleID()
1285  ],
1286  __METHOD__
1287  );
1288  if ( $rc ) {
1289  // Use patrol message specific to files
1290  $markPatrolledMsg = wfMessage( 'markaspatrolledtext-file' );
1291  }
1292  }
1293  }
1294 
1295  if ( !$recentPageCreation && !$recentFileUpload ) {
1296  // Page creation and latest upload (for files) is too old to be in RC
1297 
1298  // We definitely can't patrol so cache the information
1299  // When a new file version is uploaded, the cache is cleared
1300  $cache->set( $key, '1' );
1301 
1302  return false;
1303  }
1304 
1305  if ( !$rc ) {
1306  // Don't cache: This can be hit if the page gets accessed very fast after
1307  // its creation / latest upload or in case we have high replica DB lag. In case
1308  // the revision is too old, we will already return above.
1309  return false;
1310  }
1311 
1312  if ( $rc->getAttribute( 'rc_patrolled' ) ) {
1313  // Patrolled RC entry around
1314 
1315  // Cache the information we gathered above in case we can't patrol
1316  // Don't cache in case we can patrol as this could change
1317  $cache->set( $key, '1' );
1318 
1319  return false;
1320  }
1321 
1322  if ( $rc->getPerformer()->equals( $user ) ) {
1323  // Don't show a patrol link for own creations/uploads. If the user could
1324  // patrol them, they already would be patrolled
1325  return false;
1326  }
1327 
1328  $outputPage->preventClickjacking();
1329  if ( MediaWikiServices::getInstance()
1331  ->userHasRight( $user, 'writeapi' )
1332  ) {
1333  $outputPage->addModules( 'mediawiki.page.patrol.ajax' );
1334  }
1335 
1336  $link = Linker::linkKnown(
1337  $title,
1338  $markPatrolledMsg->escaped(),
1339  [],
1340  [
1341  'action' => 'markpatrolled',
1342  'rcid' => $rc->getAttribute( 'rc_id' ),
1343  ]
1344  );
1345 
1346  $outputPage->addHTML(
1347  "<div class='patrollink' data-mw='interface'>" .
1348  wfMessage( 'markaspatrolledlink' )->rawParams( $link )->escaped() .
1349  '</div>'
1350  );
1351 
1352  return true;
1353  }
1354 
1361  public static function purgePatrolFooterCache( $articleID ) {
1362  $cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
1363  $cache->delete( $cache->makeKey( 'unpatrollable-page', $articleID ) );
1364  }
1365 
1370  public function showMissingArticle() {
1371  global $wgSend404Code;
1372 
1373  $outputPage = $this->getContext()->getOutput();
1374  // Whether the page is a root user page of an existing user (but not a subpage)
1375  $validUserPage = false;
1376 
1377  $title = $this->getTitle();
1378 
1379  $services = MediaWikiServices::getInstance();
1380 
1381  # Show info in user (talk) namespace. Does the user exist? Is he blocked?
1382  if ( $title->getNamespace() == NS_USER
1383  || $title->getNamespace() == NS_USER_TALK
1384  ) {
1385  $rootPart = explode( '/', $title->getText() )[0];
1386  $user = User::newFromName( $rootPart, false /* allow IP users */ );
1387  $ip = User::isIP( $rootPart );
1388  $block = DatabaseBlock::newFromTarget( $user, $user );
1389 
1390  if ( !( $user && $user->isLoggedIn() ) && !$ip ) { # User does not exist
1391  $outputPage->wrapWikiMsg( "<div class=\"mw-userpage-userdoesnotexist error\">\n\$1\n</div>",
1392  [ 'userpage-userdoesnotexist-view', wfEscapeWikiText( $rootPart ) ] );
1393  } elseif (
1394  !is_null( $block ) &&
1395  $block->getType() != DatabaseBlock::TYPE_AUTO &&
1396  ( $block->isSitewide() || $user->isBlockedFrom( $title ) )
1397  ) {
1398  // Show log extract if the user is sitewide blocked or is partially
1399  // blocked and not allowed to edit their user page or user talk page
1401  $outputPage,
1402  'block',
1403  $services->getNamespaceInfo()->getCanonicalName( NS_USER ) . ':' .
1404  $block->getTarget(),
1405  '',
1406  [
1407  'lim' => 1,
1408  'showIfEmpty' => false,
1409  'msgKey' => [
1410  'blocked-notice-logextract',
1411  $user->getName() # Support GENDER in notice
1412  ]
1413  ]
1414  );
1415  $validUserPage = !$title->isSubpage();
1416  } else {
1417  $validUserPage = !$title->isSubpage();
1418  }
1419  }
1420 
1421  Hooks::run( 'ShowMissingArticle', [ $this ] );
1422 
1423  # Show delete and move logs if there were any such events.
1424  # The logging query can DOS the site when bots/crawlers cause 404 floods,
1425  # so be careful showing this. 404 pages must be cheap as they are hard to cache.
1426  $dbCache = ObjectCache::getInstance( 'db-replicated' );
1427  $key = $dbCache->makeKey( 'page-recent-delete', md5( $title->getPrefixedText() ) );
1428  $loggedIn = $this->getContext()->getUser()->isLoggedIn();
1429  $sessionExists = $this->getContext()->getRequest()->getSession()->isPersistent();
1430  if ( $loggedIn || $dbCache->get( $key ) || $sessionExists ) {
1431  $logTypes = [ 'delete', 'move', 'protect' ];
1432 
1433  $dbr = wfGetDB( DB_REPLICA );
1434 
1435  $conds = [ 'log_action != ' . $dbr->addQuotes( 'revision' ) ];
1436  // Give extensions a chance to hide their (unrelated) log entries
1437  Hooks::run( 'Article::MissingArticleConditions', [ &$conds, $logTypes ] );
1439  $outputPage,
1440  $logTypes,
1441  $title,
1442  '',
1443  [
1444  'lim' => 10,
1445  'conds' => $conds,
1446  'showIfEmpty' => false,
1447  'msgKey' => [ $loggedIn || $sessionExists
1448  ? 'moveddeleted-notice'
1449  : 'moveddeleted-notice-recent'
1450  ]
1451  ]
1452  );
1453  }
1454 
1455  if ( !$this->mPage->hasViewableContent() && $wgSend404Code && !$validUserPage ) {
1456  // If there's no backing content, send a 404 Not Found
1457  // for better machine handling of broken links.
1458  $this->getContext()->getRequest()->response()->statusHeader( 404 );
1459  }
1460 
1461  // Also apply the robot policy for nonexisting pages (even if a 404 was used for sanity)
1462  $policy = $this->getRobotPolicy( 'view' );
1463  $outputPage->setIndexPolicy( $policy['index'] );
1464  $outputPage->setFollowPolicy( $policy['follow'] );
1465 
1466  $hookResult = Hooks::run( 'BeforeDisplayNoArticleText', [ $this ] );
1467 
1468  if ( !$hookResult ) {
1469  return;
1470  }
1471 
1472  # Show error message
1473  $oldid = $this->getOldID();
1474  $pm = MediaWikiServices::getInstance()->getPermissionManager();
1475  if ( !$oldid && $title->getNamespace() === NS_MEDIAWIKI && $title->hasSourceText() ) {
1476  // use fake Content object for system message
1477  $parserOptions = ParserOptions::newCanonical( 'canonical' );
1478  $outputPage->addParserOutput( $this->getEmptyPageParserOutput( $parserOptions ) );
1479  } else {
1480  if ( $oldid ) {
1481  $text = wfMessage( 'missing-revision', $oldid )->plain();
1482  } elseif ( $pm->quickUserCan( 'create', $this->getContext()->getUser(), $title ) &&
1483  $pm->quickUserCan( 'edit', $this->getContext()->getUser(), $title )
1484  ) {
1485  $message = $this->getContext()->getUser()->isLoggedIn() ? 'noarticletext' : 'noarticletextanon';
1486  $text = wfMessage( $message )->plain();
1487  } else {
1488  $text = wfMessage( 'noarticletext-nopermission' )->plain();
1489  }
1490 
1491  $dir = $this->getContext()->getLanguage()->getDir();
1492  $lang = $this->getContext()->getLanguage()->getHtmlCode();
1493  $outputPage->addWikiTextAsInterface( Xml::openElement( 'div', [
1494  'class' => "noarticletext mw-content-$dir",
1495  'dir' => $dir,
1496  'lang' => $lang,
1497  ] ) . "\n$text\n</div>" );
1498  }
1499  }
1500 
1507  public function showDeletedRevisionHeader() {
1508  if ( !$this->mRevision->isDeleted( RevisionRecord::DELETED_TEXT ) ) {
1509  // Not deleted
1510  return true;
1511  }
1512 
1513  $outputPage = $this->getContext()->getOutput();
1514  $user = $this->getContext()->getUser();
1515  // If the user is not allowed to see it...
1516  if ( !$this->mRevision->userCan( RevisionRecord::DELETED_TEXT, $user ) ) {
1517  $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1518  'rev-deleted-text-permission' );
1519 
1520  return false;
1521  // If the user needs to confirm that they want to see it...
1522  } elseif ( $this->getContext()->getRequest()->getInt( 'unhide' ) != 1 ) {
1523  # Give explanation and add a link to view the revision...
1524  $oldid = intval( $this->getOldID() );
1525  $link = $this->getTitle()->getFullURL( "oldid={$oldid}&unhide=1" );
1526  $msg = $this->mRevision->isDeleted( RevisionRecord::DELETED_RESTRICTED ) ?
1527  'rev-suppressed-text-unhide' : 'rev-deleted-text-unhide';
1528  $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1529  [ $msg, $link ] );
1530 
1531  return false;
1532  // We are allowed to see...
1533  } else {
1534  $msg = $this->mRevision->isDeleted( RevisionRecord::DELETED_RESTRICTED ) ?
1535  'rev-suppressed-text-view' : 'rev-deleted-text-view';
1536  $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n", $msg );
1537 
1538  return true;
1539  }
1540  }
1541 
1550  public function setOldSubtitle( $oldid = 0 ) {
1551  // Avoid PHP 7.1 warning of passing $this by reference
1552  $articlePage = $this;
1553 
1554  if ( !Hooks::run( 'DisplayOldSubtitle', [ &$articlePage, &$oldid ] ) ) {
1555  return;
1556  }
1557 
1558  $context = $this->getContext();
1559  $unhide = $context->getRequest()->getInt( 'unhide' ) == 1;
1560 
1561  # Cascade unhide param in links for easy deletion browsing
1562  $extraParams = [];
1563  if ( $unhide ) {
1564  $extraParams['unhide'] = 1;
1565  }
1566 
1567  if ( $this->mRevision && $this->mRevision->getId() === $oldid ) {
1568  $revision = $this->mRevision;
1569  } else {
1570  $revision = Revision::newFromId( $oldid );
1571  }
1572 
1573  $timestamp = $revision->getTimestamp();
1574 
1575  $current = ( $oldid == $this->mPage->getLatest() );
1576  $language = $context->getLanguage();
1577  $user = $context->getUser();
1578 
1579  $td = $language->userTimeAndDate( $timestamp, $user );
1580  $tddate = $language->userDate( $timestamp, $user );
1581  $tdtime = $language->userTime( $timestamp, $user );
1582 
1583  # Show user links if allowed to see them. If hidden, then show them only if requested...
1584  $userlinks = Linker::revUserTools( $revision, !$unhide );
1585 
1586  $infomsg = $current && !$context->msg( 'revision-info-current' )->isDisabled()
1587  ? 'revision-info-current'
1588  : 'revision-info';
1589 
1590  $outputPage = $context->getOutput();
1591  $revisionInfo = "<div id=\"mw-{$infomsg}\">" .
1592  $context->msg( $infomsg, $td )
1593  ->rawParams( $userlinks )
1594  ->params( $revision->getId(), $tddate, $tdtime, $revision->getUserText() )
1595  ->rawParams( Linker::revComment( $revision, true, true ) )
1596  ->parse() .
1597  "</div>";
1598 
1599  $lnk = $current
1600  ? $context->msg( 'currentrevisionlink' )->escaped()
1602  $this->getTitle(),
1603  $context->msg( 'currentrevisionlink' )->escaped(),
1604  [],
1605  $extraParams
1606  );
1607  $curdiff = $current
1608  ? $context->msg( 'diff' )->escaped()
1610  $this->getTitle(),
1611  $context->msg( 'diff' )->escaped(),
1612  [],
1613  [
1614  'diff' => 'cur',
1615  'oldid' => $oldid
1616  ] + $extraParams
1617  );
1618  $rl = MediaWikiServices::getInstance()->getRevisionLookup();
1619  $prevExist = (bool)$rl->getPreviousRevision( $revision->getRevisionRecord() );
1620  $prevlink = $prevExist
1622  $this->getTitle(),
1623  $context->msg( 'previousrevision' )->escaped(),
1624  [],
1625  [
1626  'direction' => 'prev',
1627  'oldid' => $oldid
1628  ] + $extraParams
1629  )
1630  : $context->msg( 'previousrevision' )->escaped();
1631  $prevdiff = $prevExist
1633  $this->getTitle(),
1634  $context->msg( 'diff' )->escaped(),
1635  [],
1636  [
1637  'diff' => 'prev',
1638  'oldid' => $oldid
1639  ] + $extraParams
1640  )
1641  : $context->msg( 'diff' )->escaped();
1642  $nextlink = $current
1643  ? $context->msg( 'nextrevision' )->escaped()
1645  $this->getTitle(),
1646  $context->msg( 'nextrevision' )->escaped(),
1647  [],
1648  [
1649  'direction' => 'next',
1650  'oldid' => $oldid
1651  ] + $extraParams
1652  );
1653  $nextdiff = $current
1654  ? $context->msg( 'diff' )->escaped()
1656  $this->getTitle(),
1657  $context->msg( 'diff' )->escaped(),
1658  [],
1659  [
1660  'diff' => 'next',
1661  'oldid' => $oldid
1662  ] + $extraParams
1663  );
1664 
1665  $cdel = Linker::getRevDeleteLink( $user, $revision, $this->getTitle() );
1666  if ( $cdel !== '' ) {
1667  $cdel .= ' ';
1668  }
1669 
1670  // the outer div is need for styling the revision info and nav in MobileFrontend
1671  $outputPage->addSubtitle( "<div class=\"mw-revision warningbox\">" . $revisionInfo .
1672  "<div id=\"mw-revision-nav\">" . $cdel .
1673  $context->msg( 'revision-nav' )->rawParams(
1674  $prevdiff, $prevlink, $lnk, $curdiff, $nextlink, $nextdiff
1675  )->escaped() . "</div></div>" );
1676  }
1677 
1691  public function viewRedirect( $target, $appendSubtitle = true, $forceKnown = false ) {
1692  $lang = $this->getTitle()->getPageLanguage();
1693  $out = $this->getContext()->getOutput();
1694  if ( $appendSubtitle ) {
1695  $out->addSubtitle( wfMessage( 'redirectpagesub' ) );
1696  }
1697  $out->addModuleStyles( 'mediawiki.action.view.redirectPage' );
1698  return static::getRedirectHeaderHtml( $lang, $target, $forceKnown );
1699  }
1700 
1713  public static function getRedirectHeaderHtml( Language $lang, $target, $forceKnown = false ) {
1714  if ( !is_array( $target ) ) {
1715  $target = [ $target ];
1716  }
1717 
1718  $html = '<ul class="redirectText">';
1720  foreach ( $target as $title ) {
1721  $html .= '<li>' . Linker::link(
1722  $title,
1723  htmlspecialchars( $title->getFullText() ),
1724  [],
1725  // Make sure wiki page redirects are not followed
1726  $title->isRedirect() ? [ 'redirect' => 'no' ] : [],
1727  ( $forceKnown ? [ 'known', 'noclasses' ] : [] )
1728  ) . '</li>';
1729  }
1730  $html .= '</ul>';
1731 
1732  $redirectToText = wfMessage( 'redirectto' )->inLanguage( $lang )->escaped();
1733 
1734  return '<div class="redirectMsg">' .
1735  '<p>' . $redirectToText . '</p>' .
1736  $html .
1737  '</div>';
1738  }
1739 
1748  public function addHelpLink( $to, $overrideBaseUrl = false ) {
1749  $msg = wfMessage(
1750  'namespace-' . $this->getTitle()->getNamespace() . '-helppage'
1751  );
1752 
1753  $out = $this->getContext()->getOutput();
1754  if ( !$msg->isDisabled() ) {
1755  $helpUrl = Skin::makeUrl( $msg->plain() );
1756  $out->addHelpLink( $helpUrl, true );
1757  } else {
1758  $out->addHelpLink( $to, $overrideBaseUrl );
1759  }
1760  }
1761 
1765  public function render() {
1766  $this->getContext()->getRequest()->response()->header( 'X-Robots-Tag: noindex' );
1767  $this->getContext()->getOutput()->setArticleBodyOnly( true );
1768  // We later set 'enableSectionEditLinks=false' based on this; also used by ImagePage
1769  $this->viewIsRenderAction = true;
1770  $this->view();
1771  }
1772 
1776  public function protect() {
1777  $form = new ProtectionForm( $this );
1778  $form->execute();
1779  }
1780 
1784  public function unprotect() {
1785  $this->protect();
1786  }
1787 
1791  public function delete() {
1792  # This code desperately needs to be totally rewritten
1793 
1794  $title = $this->getTitle();
1795  $context = $this->getContext();
1796  $user = $context->getUser();
1797  $request = $context->getRequest();
1798 
1799  # Check permissions
1800  $permissionErrors = $title->getUserPermissionsErrors( 'delete', $user );
1801  if ( count( $permissionErrors ) ) {
1802  throw new PermissionsError( 'delete', $permissionErrors );
1803  }
1804 
1805  # Read-only check...
1806  if ( wfReadOnly() ) {
1807  throw new ReadOnlyError;
1808  }
1809 
1810  # Better double-check that it hasn't been deleted yet!
1811  $this->mPage->loadPageData(
1812  $request->wasPosted() ? WikiPage::READ_LATEST : WikiPage::READ_NORMAL
1813  );
1814  if ( !$this->mPage->exists() ) {
1815  $deleteLogPage = new LogPage( 'delete' );
1816  $outputPage = $context->getOutput();
1817  $outputPage->setPageTitle( $context->msg( 'cannotdelete-title', $title->getPrefixedText() ) );
1818  $outputPage->wrapWikiMsg( "<div class=\"error mw-error-cannotdelete\">\n$1\n</div>",
1819  [ 'cannotdelete', wfEscapeWikiText( $title->getPrefixedText() ) ]
1820  );
1821  $outputPage->addHTML(
1822  Xml::element( 'h2', null, $deleteLogPage->getName()->text() )
1823  );
1825  $outputPage,
1826  'delete',
1827  $title
1828  );
1829 
1830  return;
1831  }
1832 
1833  $deleteReasonList = $request->getText( 'wpDeleteReasonList', 'other' );
1834  $deleteReason = $request->getText( 'wpReason' );
1835 
1836  if ( $deleteReasonList == 'other' ) {
1837  $reason = $deleteReason;
1838  } elseif ( $deleteReason != '' ) {
1839  // Entry from drop down menu + additional comment
1840  $colonseparator = wfMessage( 'colon-separator' )->inContentLanguage()->text();
1841  $reason = $deleteReasonList . $colonseparator . $deleteReason;
1842  } else {
1843  $reason = $deleteReasonList;
1844  }
1845 
1846  if ( $request->wasPosted() && $user->matchEditToken( $request->getVal( 'wpEditToken' ),
1847  [ 'delete', $this->getTitle()->getPrefixedText() ] )
1848  ) {
1849  # Flag to hide all contents of the archived revisions
1850 
1851  $suppress = $request->getCheck( 'wpSuppress' ) && MediaWikiServices::getInstance()
1852  ->getPermissionManager()
1853  ->userHasRight( $user, 'suppressrevision' );
1854 
1855  $this->doDelete( $reason, $suppress );
1856 
1857  WatchAction::doWatchOrUnwatch( $request->getCheck( 'wpWatch' ), $title, $user );
1858 
1859  return;
1860  }
1861 
1862  // Generate deletion reason
1863  $hasHistory = false;
1864  if ( !$reason ) {
1865  try {
1866  $reason = $this->generateReason( $hasHistory );
1867  } catch ( Exception $e ) {
1868  # if a page is horribly broken, we still want to be able to
1869  # delete it. So be lenient about errors here.
1870  wfDebug( "Error while building auto delete summary: $e" );
1871  $reason = '';
1872  }
1873  }
1874 
1875  // If the page has a history, insert a warning
1876  if ( $hasHistory ) {
1877  $title = $this->getTitle();
1878 
1879  // The following can use the real revision count as this is only being shown for users
1880  // that can delete this page.
1881  // This, as a side-effect, also makes sure that the following query isn't being run for
1882  // pages with a larger history, unless the user has the 'bigdelete' right
1883  // (and is about to delete this page).
1884  $dbr = wfGetDB( DB_REPLICA );
1885  $revisions = $edits = (int)$dbr->selectField(
1886  'revision',
1887  'COUNT(rev_page)',
1888  [ 'rev_page' => $title->getArticleID() ],
1889  __METHOD__
1890  );
1891 
1892  // @todo i18n issue/patchwork message
1893  $context->getOutput()->addHTML(
1894  '<strong class="mw-delete-warning-revisions">' .
1895  $context->msg( 'historywarning' )->numParams( $revisions )->parse() .
1896  $context->msg( 'word-separator' )->escaped() . Linker::linkKnown( $title,
1897  $context->msg( 'history' )->escaped(),
1898  [],
1899  [ 'action' => 'history' ] ) .
1900  '</strong>'
1901  );
1902 
1903  if ( $title->isBigDeletion() ) {
1904  global $wgDeleteRevisionsLimit;
1905  $context->getOutput()->wrapWikiMsg( "<div class='error'>\n$1\n</div>\n",
1906  [
1907  'delete-warning-toobig',
1908  $context->getLanguage()->formatNum( $wgDeleteRevisionsLimit )
1909  ]
1910  );
1911  }
1912  }
1913 
1914  $this->confirmDelete( $reason );
1915  }
1916 
1922  public function confirmDelete( $reason ) {
1923  wfDebug( "Article::confirmDelete\n" );
1924 
1925  $title = $this->getTitle();
1926  $ctx = $this->getContext();
1927  $outputPage = $ctx->getOutput();
1928  $outputPage->setPageTitle( wfMessage( 'delete-confirm', $title->getPrefixedText() ) );
1929  $outputPage->addBacklinkSubtitle( $title );
1930  $outputPage->setRobotPolicy( 'noindex,nofollow' );
1931  $outputPage->addModules( 'mediawiki.action.delete' );
1932 
1933  $backlinkCache = $title->getBacklinkCache();
1934  if ( $backlinkCache->hasLinks( 'pagelinks' ) || $backlinkCache->hasLinks( 'templatelinks' ) ) {
1935  $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1936  'deleting-backlinks-warning' );
1937  }
1938 
1939  $subpageQueryLimit = 51;
1940  $subpages = $title->getSubpages( $subpageQueryLimit );
1941  $subpageCount = count( $subpages );
1942  if ( $subpageCount > 0 ) {
1943  $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
1944  [ 'deleting-subpages-warning', Message::numParam( $subpageCount ) ] );
1945  }
1946  $outputPage->addWikiMsg( 'confirmdeletetext' );
1947 
1948  Hooks::run( 'ArticleConfirmDelete', [ $this, $outputPage, &$reason ] );
1949 
1950  $user = $this->getContext()->getUser();
1951  $checkWatch = $user->getBoolOption( 'watchdeletion' ) || $user->isWatched( $title );
1952 
1953  $outputPage->enableOOUI();
1954 
1955  $fields = [];
1956 
1957  $options = Xml::listDropDownOptions(
1958  $ctx->msg( 'deletereason-dropdown' )->inContentLanguage()->text(),
1959  [ 'other' => $ctx->msg( 'deletereasonotherlist' )->inContentLanguage()->text() ]
1960  );
1961  $options = Xml::listDropDownOptionsOoui( $options );
1962 
1963  $fields[] = new OOUI\FieldLayout(
1964  new OOUI\DropdownInputWidget( [
1965  'name' => 'wpDeleteReasonList',
1966  'inputId' => 'wpDeleteReasonList',
1967  'tabIndex' => 1,
1968  'infusable' => true,
1969  'value' => '',
1970  'options' => $options
1971  ] ),
1972  [
1973  'label' => $ctx->msg( 'deletecomment' )->text(),
1974  'align' => 'top',
1975  ]
1976  );
1977 
1978  // HTML maxlength uses "UTF-16 code units", which means that characters outside BMP
1979  // (e.g. emojis) count for two each. This limit is overridden in JS to instead count
1980  // Unicode codepoints.
1981  $fields[] = new OOUI\FieldLayout(
1982  new OOUI\TextInputWidget( [
1983  'name' => 'wpReason',
1984  'inputId' => 'wpReason',
1985  'tabIndex' => 2,
1987  'infusable' => true,
1988  'value' => $reason,
1989  'autofocus' => true,
1990  ] ),
1991  [
1992  'label' => $ctx->msg( 'deleteotherreason' )->text(),
1993  'align' => 'top',
1994  ]
1995  );
1996 
1997  if ( $user->isLoggedIn() ) {
1998  $fields[] = new OOUI\FieldLayout(
1999  new OOUI\CheckboxInputWidget( [
2000  'name' => 'wpWatch',
2001  'inputId' => 'wpWatch',
2002  'tabIndex' => 3,
2003  'selected' => $checkWatch,
2004  ] ),
2005  [
2006  'label' => $ctx->msg( 'watchthis' )->text(),
2007  'align' => 'inline',
2008  'infusable' => true,
2009  ]
2010  );
2011  }
2012  $permissionManager = MediaWikiServices::getInstance()->getPermissionManager();
2013  if ( $permissionManager->userHasRight( $user, 'suppressrevision' ) ) {
2014  $fields[] = new OOUI\FieldLayout(
2015  new OOUI\CheckboxInputWidget( [
2016  'name' => 'wpSuppress',
2017  'inputId' => 'wpSuppress',
2018  'tabIndex' => 4,
2019  ] ),
2020  [
2021  'label' => $ctx->msg( 'revdelete-suppress' )->text(),
2022  'align' => 'inline',
2023  'infusable' => true,
2024  ]
2025  );
2026  }
2027 
2028  $fields[] = new OOUI\FieldLayout(
2029  new OOUI\ButtonInputWidget( [
2030  'name' => 'wpConfirmB',
2031  'inputId' => 'wpConfirmB',
2032  'tabIndex' => 5,
2033  'value' => $ctx->msg( 'deletepage' )->text(),
2034  'label' => $ctx->msg( 'deletepage' )->text(),
2035  'flags' => [ 'primary', 'destructive' ],
2036  'type' => 'submit',
2037  ] ),
2038  [
2039  'align' => 'top',
2040  ]
2041  );
2042 
2043  $fieldset = new OOUI\FieldsetLayout( [
2044  'label' => $ctx->msg( 'delete-legend' )->text(),
2045  'id' => 'mw-delete-table',
2046  'items' => $fields,
2047  ] );
2048 
2049  $form = new OOUI\FormLayout( [
2050  'method' => 'post',
2051  'action' => $title->getLocalURL( 'action=delete' ),
2052  'id' => 'deleteconfirm',
2053  ] );
2054  $form->appendContent(
2055  $fieldset,
2056  new OOUI\HtmlSnippet(
2057  Html::hidden( 'wpEditToken', $user->getEditToken( [ 'delete', $title->getPrefixedText() ] ) )
2058  )
2059  );
2060 
2061  $outputPage->addHTML(
2062  new OOUI\PanelLayout( [
2063  'classes' => [ 'deletepage-wrapper' ],
2064  'expanded' => false,
2065  'padded' => true,
2066  'framed' => true,
2067  'content' => $form,
2068  ] )
2069  );
2070 
2071  if ( $permissionManager->userHasRight( $user, 'editinterface' ) ) {
2072  $link = Linker::linkKnown(
2073  $ctx->msg( 'deletereason-dropdown' )->inContentLanguage()->getTitle(),
2074  wfMessage( 'delete-edit-reasonlist' )->escaped(),
2075  [],
2076  [ 'action' => 'edit' ]
2077  );
2078  $outputPage->addHTML( '<p class="mw-delete-editreasons">' . $link . '</p>' );
2079  }
2080 
2081  $deleteLogPage = new LogPage( 'delete' );
2082  $outputPage->addHTML( Xml::element( 'h2', null, $deleteLogPage->getName()->text() ) );
2083  LogEventsList::showLogExtract( $outputPage, 'delete', $title );
2084  }
2085 
2094  public function doDelete( $reason, $suppress = false, $immediate = false ) {
2095  $error = '';
2096  $context = $this->getContext();
2097  $outputPage = $context->getOutput();
2098  $user = $context->getUser();
2099  $status = $this->mPage->doDeleteArticleReal( $reason, $suppress, 0, true, $error, $user,
2100  [], 'delete', $immediate );
2101 
2102  if ( $status->isOK() ) {
2103  $deleted = $this->getTitle()->getPrefixedText();
2104 
2105  $outputPage->setPageTitle( wfMessage( 'actioncomplete' ) );
2106  $outputPage->setRobotPolicy( 'noindex,nofollow' );
2107 
2108  if ( $status->isGood() ) {
2109  $loglink = '[[Special:Log/delete|' . wfMessage( 'deletionlog' )->text() . ']]';
2110  $outputPage->addWikiMsg( 'deletedtext', wfEscapeWikiText( $deleted ), $loglink );
2111  Hooks::run( 'ArticleDeleteAfterSuccess', [ $this->getTitle(), $outputPage ] );
2112  } else {
2113  $outputPage->addWikiMsg( 'delete-scheduled', wfEscapeWikiText( $deleted ) );
2114  }
2115 
2116  $outputPage->returnToMain( false );
2117  } else {
2118  $outputPage->setPageTitle(
2119  wfMessage( 'cannotdelete-title',
2120  $this->getTitle()->getPrefixedText() )
2121  );
2122 
2123  if ( $error == '' ) {
2124  $outputPage->wrapWikiTextAsInterface(
2125  'error mw-error-cannotdelete',
2126  $status->getWikiText( false, false, $context->getLanguage() )
2127  );
2128  $deleteLogPage = new LogPage( 'delete' );
2129  $outputPage->addHTML( Xml::element( 'h2', null, $deleteLogPage->getName()->text() ) );
2130 
2132  $outputPage,
2133  'delete',
2134  $this->getTitle()
2135  );
2136  } else {
2137  $outputPage->addHTML( $error );
2138  }
2139  }
2140  }
2141 
2142  /* Caching functions */
2143 
2151  protected function tryFileCache() {
2152  static $called = false;
2153 
2154  if ( $called ) {
2155  wfDebug( "Article::tryFileCache(): called twice!?\n" );
2156  return false;
2157  }
2158 
2159  $called = true;
2160  if ( $this->isFileCacheable() ) {
2161  $cache = new HTMLFileCache( $this->getTitle(), 'view' );
2162  if ( $cache->isCacheGood( $this->mPage->getTouched() ) ) {
2163  wfDebug( "Article::tryFileCache(): about to load file\n" );
2164  $cache->loadFromFileCache( $this->getContext() );
2165  return true;
2166  } else {
2167  wfDebug( "Article::tryFileCache(): starting buffer\n" );
2168  ob_start( [ &$cache, 'saveToFileCache' ] );
2169  }
2170  } else {
2171  wfDebug( "Article::tryFileCache(): not cacheable\n" );
2172  }
2173 
2174  return false;
2175  }
2176 
2182  public function isFileCacheable( $mode = HTMLFileCache::MODE_NORMAL ) {
2183  $cacheable = false;
2184 
2185  if ( HTMLFileCache::useFileCache( $this->getContext(), $mode ) ) {
2186  $cacheable = $this->mPage->getId()
2187  && !$this->mRedirectedFrom && !$this->getTitle()->isRedirect();
2188  // Extension may have reason to disable file caching on some pages.
2189  if ( $cacheable ) {
2190  // Avoid PHP 7.1 warning of passing $this by reference
2191  $articlePage = $this;
2192  $cacheable = Hooks::run( 'IsFileCacheable', [ &$articlePage ] );
2193  }
2194  }
2195 
2196  return $cacheable;
2197  }
2198 
2212  public function getParserOutput( $oldid = null, User $user = null ) {
2213  // XXX: bypasses mParserOptions and thus setParserOptions()
2214 
2215  if ( $user === null ) {
2216  $parserOptions = $this->getParserOptions();
2217  } else {
2218  $parserOptions = $this->mPage->makeParserOptions( $user );
2219  }
2220 
2221  return $this->mPage->getParserOutput( $parserOptions, $oldid );
2222  }
2223 
2230  public function setParserOptions( ParserOptions $options ) {
2231  if ( $this->mParserOptions ) {
2232  throw new MWException( "can't change parser options after they have already been set" );
2233  }
2234 
2235  // clone, so if $options is modified later, it doesn't confuse the parser cache.
2236  $this->mParserOptions = clone $options;
2237  }
2238 
2243  public function getParserOptions() {
2244  if ( !$this->mParserOptions ) {
2245  $this->mParserOptions = $this->mPage->makeParserOptions( $this->getContext() );
2246  }
2247  // Clone to allow modifications of the return value without affecting cache
2248  return clone $this->mParserOptions;
2249  }
2250 
2257  public function setContext( $context ) {
2258  $this->mContext = $context;
2259  }
2260 
2267  public function getContext() {
2268  if ( $this->mContext instanceof IContextSource ) {
2269  return $this->mContext;
2270  } else {
2271  wfDebug( __METHOD__ . " called and \$mContext is null. " .
2272  "Return RequestContext::getMain(); for sanity\n" );
2273  return RequestContext::getMain();
2274  }
2275  }
2276 
2284  public function __get( $fname ) {
2285  if ( property_exists( $this->mPage, $fname ) ) {
2286  # wfWarn( "Access to raw $fname field " . __CLASS__ );
2287  return $this->mPage->$fname;
2288  }
2289  trigger_error( 'Inaccessible property via __get(): ' . $fname, E_USER_NOTICE );
2290  }
2291 
2299  public function __set( $fname, $fvalue ) {
2300  if ( property_exists( $this->mPage, $fname ) ) {
2301  # wfWarn( "Access to raw $fname field of " . __CLASS__ );
2302  $this->mPage->$fname = $fvalue;
2303  // Note: extensions may want to toss on new fields
2304  } elseif ( !in_array( $fname, [ 'mContext', 'mPage' ] ) ) {
2305  $this->mPage->$fname = $fvalue;
2306  } else {
2307  trigger_error( 'Inaccessible property via __set(): ' . $fname, E_USER_NOTICE );
2308  }
2309  }
2310 
2315  public function checkFlags( $flags ) {
2316  return $this->mPage->checkFlags( $flags );
2317  }
2318 
2323  public function checkTouched() {
2324  return $this->mPage->checkTouched();
2325  }
2326 
2331  public function clearPreparedEdit() {
2332  $this->mPage->clearPreparedEdit();
2333  }
2334 
2339  public function doDeleteArticleReal(
2340  $reason, $suppress = false, $u1 = null, $u2 = null, &$error = '', User $user = null,
2341  $tags = [], $immediate = false
2342  ) {
2343  return $this->mPage->doDeleteArticleReal(
2344  $reason, $suppress, $u1, $u2, $error, $user, $tags, 'delete', $immediate
2345  );
2346  }
2347 
2352  public function doDeleteUpdates(
2353  $id,
2354  Content $content = null,
2355  $revision = null,
2356  User $user = null
2357  ) {
2358  $this->mPage->doDeleteUpdates( $id, $content, $revision, $user );
2359  }
2360 
2366  public function doEditContent( Content $content, $summary, $flags = 0, $originalRevId = false,
2367  User $user = null, $serialFormat = null
2368  ) {
2369  wfDeprecated( __METHOD__, '1.29' );
2370  return $this->mPage->doEditContent( $content, $summary, $flags, $originalRevId,
2371  $user, $serialFormat
2372  );
2373  }
2374 
2379  public function doEditUpdates( Revision $revision, User $user, array $options = [] ) {
2380  return $this->mPage->doEditUpdates( $revision, $user, $options );
2381  }
2382 
2389  public function doPurge() {
2390  return $this->mPage->doPurge();
2391  }
2392 
2397  public function doViewUpdates( User $user, $oldid = 0 ) {
2398  $this->mPage->doViewUpdates( $user, $oldid );
2399  }
2400 
2405  public function exists() {
2406  return $this->mPage->exists();
2407  }
2408 
2413  public function followRedirect() {
2414  return $this->mPage->followRedirect();
2415  }
2416 
2421  public function getActionOverrides() {
2422  return $this->mPage->getActionOverrides();
2423  }
2424 
2429  public function getAutoDeleteReason( &$hasHistory ) {
2430  return $this->mPage->getAutoDeleteReason( $hasHistory );
2431  }
2432 
2437  public function getCategories() {
2438  return $this->mPage->getCategories();
2439  }
2440 
2445  public function getComment( $audience = RevisionRecord::FOR_PUBLIC, User $user = null ) {
2446  return $this->mPage->getComment( $audience, $user );
2447  }
2448 
2453  public function getContentHandler() {
2454  return $this->mPage->getContentHandler();
2455  }
2456 
2461  public function getContentModel() {
2462  return $this->mPage->getContentModel();
2463  }
2464 
2469  public function getContributors() {
2470  return $this->mPage->getContributors();
2471  }
2472 
2477  public function getCreator( $audience = RevisionRecord::FOR_PUBLIC, User $user = null ) {
2478  return $this->mPage->getCreator( $audience, $user );
2479  }
2480 
2485  public function getDeletionUpdates( Content $content = null ) {
2486  return $this->mPage->getDeletionUpdates( $content );
2487  }
2488 
2493  public function getHiddenCategories() {
2494  return $this->mPage->getHiddenCategories();
2495  }
2496 
2501  public function getId() {
2502  return $this->mPage->getId();
2503  }
2504 
2509  public function getLatest() {
2510  return $this->mPage->getLatest();
2511  }
2512 
2517  public function getLinksTimestamp() {
2518  return $this->mPage->getLinksTimestamp();
2519  }
2520 
2525  public function getMinorEdit() {
2526  return $this->mPage->getMinorEdit();
2527  }
2528 
2533  public function getOldestRevision() {
2534  return $this->mPage->getOldestRevision();
2535  }
2536 
2541  public function getRedirectTarget() {
2542  return $this->mPage->getRedirectTarget();
2543  }
2544 
2549  public function getRedirectURL( $rt ) {
2550  return $this->mPage->getRedirectURL( $rt );
2551  }
2552 
2557  public function getRevision() {
2558  return $this->mPage->getRevision();
2559  }
2560 
2565  public function getTimestamp() {
2566  return $this->mPage->getTimestamp();
2567  }
2568 
2573  public function getTouched() {
2574  return $this->mPage->getTouched();
2575  }
2576 
2581  public function getUndoContent( Revision $undo, Revision $undoafter = null ) {
2582  return $this->mPage->getUndoContent( $undo, $undoafter );
2583  }
2584 
2589  public function getUser( $audience = RevisionRecord::FOR_PUBLIC, User $user = null ) {
2590  return $this->mPage->getUser( $audience, $user );
2591  }
2592 
2597  public function getUserText( $audience = RevisionRecord::FOR_PUBLIC, User $user = null ) {
2598  return $this->mPage->getUserText( $audience, $user );
2599  }
2600 
2605  public function hasViewableContent() {
2606  return $this->mPage->hasViewableContent();
2607  }
2608 
2613  public function insertOn( $dbw, $pageId = null ) {
2614  return $this->mPage->insertOn( $dbw, $pageId );
2615  }
2616 
2621  public function insertProtectNullRevision( $revCommentMsg, array $limit,
2622  array $expiry, $cascade, $reason, $user = null
2623  ) {
2624  return $this->mPage->insertProtectNullRevision( $revCommentMsg, $limit,
2625  $expiry, $cascade, $reason, $user
2626  );
2627  }
2628 
2633  public function insertRedirect() {
2634  return $this->mPage->insertRedirect();
2635  }
2636 
2641  public function insertRedirectEntry( Title $rt, $oldLatest = null ) {
2642  return $this->mPage->insertRedirectEntry( $rt, $oldLatest );
2643  }
2644 
2649  public function isCountable( $editInfo = false ) {
2650  return $this->mPage->isCountable( $editInfo );
2651  }
2652 
2657  public function isRedirect() {
2658  return $this->mPage->isRedirect();
2659  }
2660 
2665  public function loadFromRow( $data, $from ) {
2666  return $this->mPage->loadFromRow( $data, $from );
2667  }
2668 
2673  public function loadPageData( $from = 'fromdb' ) {
2674  $this->mPage->loadPageData( $from );
2675  }
2676 
2681  public function lockAndGetLatest() {
2682  return $this->mPage->lockAndGetLatest();
2683  }
2684 
2689  public function makeParserOptions( $context ) {
2690  return $this->mPage->makeParserOptions( $context );
2691  }
2692 
2697  public function pageDataFromId( $dbr, $id, $options = [] ) {
2698  return $this->mPage->pageDataFromId( $dbr, $id, $options );
2699  }
2700 
2705  public function pageDataFromTitle( $dbr, $title, $options = [] ) {
2706  return $this->mPage->pageDataFromTitle( $dbr, $title, $options );
2707  }
2708 
2713  public function prepareContentForEdit(
2714  Content $content, $revision = null, User $user = null,
2715  $serialFormat = null, $useCache = true
2716  ) {
2717  return $this->mPage->prepareContentForEdit(
2718  $content, $revision, $user,
2719  $serialFormat, $useCache
2720  );
2721  }
2722 
2727  public function protectDescription( array $limit, array $expiry ) {
2728  return $this->mPage->protectDescription( $limit, $expiry );
2729  }
2730 
2735  public function protectDescriptionLog( array $limit, array $expiry ) {
2736  return $this->mPage->protectDescriptionLog( $limit, $expiry );
2737  }
2738 
2743  public function replaceSectionAtRev( $sectionId, Content $sectionContent,
2744  $sectionTitle = '', $baseRevId = null
2745  ) {
2746  return $this->mPage->replaceSectionAtRev( $sectionId, $sectionContent,
2747  $sectionTitle, $baseRevId
2748  );
2749  }
2750 
2755  public function replaceSectionContent(
2756  $sectionId, Content $sectionContent, $sectionTitle = '', $edittime = null
2757  ) {
2758  return $this->mPage->replaceSectionContent(
2759  $sectionId, $sectionContent, $sectionTitle, $edittime
2760  );
2761  }
2762 
2767  public function setTimestamp( $ts ) {
2768  $this->mPage->setTimestamp( $ts );
2769  }
2770 
2775  public function shouldCheckParserCache( ParserOptions $parserOptions, $oldId ) {
2776  return $this->mPage->shouldCheckParserCache( $parserOptions, $oldId );
2777  }
2778 
2783  public function supportsSections() {
2784  return $this->mPage->supportsSections();
2785  }
2786 
2791  public function triggerOpportunisticLinksUpdate( ParserOutput $parserOutput ) {
2792  return $this->mPage->triggerOpportunisticLinksUpdate( $parserOutput );
2793  }
2794 
2799  public function updateCategoryCounts( array $added, array $deleted, $id = 0 ) {
2800  return $this->mPage->updateCategoryCounts( $added, $deleted, $id );
2801  }
2802 
2807  public function updateIfNewerOn( $dbw, $revision ) {
2808  return $this->mPage->updateIfNewerOn( $dbw, $revision );
2809  }
2810 
2815  public function updateRedirectOn( $dbw, $redirectTitle, $lastRevIsRedirect = null ) {
2816  return $this->mPage->updateRedirectOn( $dbw, $redirectTitle, $lastRevIsRedirect );
2817  }
2818 
2823  public function updateRevisionOn( $dbw, $revision, $lastRevision = null,
2824  $lastRevIsRedirect = null
2825  ) {
2826  return $this->mPage->updateRevisionOn( $dbw, $revision, $lastRevision,
2827  $lastRevIsRedirect
2828  );
2829  }
2830 
2839  public function doUpdateRestrictions( array $limit, array $expiry, &$cascade,
2840  $reason, User $user
2841  ) {
2842  return $this->mPage->doUpdateRestrictions( $limit, $expiry, $cascade, $reason, $user );
2843  }
2844 
2852  public function updateRestrictions( $limit = [], $reason = '',
2853  &$cascade = 0, $expiry = []
2854  ) {
2855  return $this->mPage->doUpdateRestrictions(
2856  $limit,
2857  $expiry,
2858  $cascade,
2859  $reason,
2860  $this->getContext()->getUser()
2861  );
2862  }
2863 
2875  public function doDeleteArticle(
2876  $reason, $suppress = false, $u1 = null, $u2 = null, &$error = '', $immediate = false
2877  ) {
2878  return $this->mPage->doDeleteArticle( $reason, $suppress, $u1, $u2, $error,
2879  null, $immediate );
2880  }
2881 
2891  public function doRollback( $fromP, $summary, $token, $bot, &$resultDetails, User $user = null ) {
2892  if ( !$user ) {
2893  $user = $this->getContext()->getUser();
2894  }
2895 
2896  return $this->mPage->doRollback( $fromP, $summary, $token, $bot, $resultDetails, $user );
2897  }
2898 
2907  public function commitRollback( $fromP, $summary, $bot, &$resultDetails, User $guser = null ) {
2908  if ( !$guser ) {
2909  $guser = $this->getContext()->getUser();
2910  }
2911 
2912  return $this->mPage->commitRollback( $fromP, $summary, $bot, $resultDetails, $guser );
2913  }
2914 
2919  public function generateReason( &$hasHistory ) {
2920  $title = $this->mPage->getTitle();
2921  $handler = ContentHandler::getForTitle( $title );
2922  return $handler->getAutoDeleteReason( $title, $hasHistory );
2923  }
2924 
2925  // ******
2926 }
getComment( $audience=RevisionRecord::FOR_PUBLIC, User $user=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2445
getRedirectTarget()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2541
static newFatal( $message,... $parameters)
Factory function for fatal errors.
Definition: StatusValue.php:69
lockAndGetLatest()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2681
getUndoContent(Revision $undo, Revision $undoafter=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2581
wfEscapeWikiText( $text)
Escapes the given text so that it may be output using addWikiText() without any linking, formatting, etc.
getRedirectedFrom()
Get the page this view was redirected from.
Definition: Article.php:203
getLatest()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2509
setParserOptions(ParserOptions $options)
Override the ParserOptions used to render the primary article wikitext.
Definition: Article.php:2230
doEditUpdates(Revision $revision, User $user, array $options=[])
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2379
static newFromID( $id, $flags=0)
Create a new Title from an article ID.
Definition: Title.php:467
$context
Definition: load.php:45
checkFlags( $flags)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2315
isCountable( $editInfo=false)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2649
exists()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2405
supportsSections()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2783
Show an error when the wiki is locked/read-only and the user tries to do something that requires writ...
static isIP( $name)
Does the string match an anonymous IP address?
Definition: User.php:909
protect()
action=protect handler
Definition: Article.php:1776
Status null $fetchResult
represents the outcome of fetchRevisionRecord().
Definition: Article.php:100
$wgNamespaceRobotPolicies
Robot policies per namespaces.
Wrapper allowing us to handle a system message as a Content object.
getPage()
Get the WikiPage object of this instance.
Definition: Article.php:231
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:2799
string bool $mRedirectUrl
URL to redirect to or false if none.
Definition: Article.php:83
if(!isset( $args[0])) $lang
ParserOptions null $mParserOptions
ParserOptions object for $wgUser articles.
Definition: Article.php:52
adjustDisplayTitle(ParserOutput $pOutput)
Adjust title for pages with displaytitle, -{T|}- or language conversion.
Definition: Article.php:902
shouldCheckParserCache(ParserOptions $parserOptions, $oldId)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2775
doUpdateRestrictions(array $limit, array $expiry, &$cascade, $reason, User $user)
Definition: Article.php:2839
wfGetDB( $db, $groups=[], $wiki=false)
Get a Database object.
getParserOutput( $oldid=null, User $user=null)
#-
Definition: Article.php:2212
makeFetchErrorContent()
Returns a Content object representing any error in $this->fetchContent, or null if there is no such e...
Definition: Article.php:521
Class for viewing MediaWiki article and history.
Definition: Article.php:38
Page view caching in the file system.
getRedirectURL( $rt)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2549
followRedirect()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2413
__get( $fname)
Use PHP&#39;s magic __get handler to handle accessing of raw WikiPage fields for backwards compatibility...
Definition: Article.php:2284
doDeleteArticle( $reason, $suppress=false, $u1=null, $u2=null, &$error='', $immediate=false)
Definition: Article.php:2875
static getInstance( $id)
Get a cached instance of the specified type of cache object.
Definition: ObjectCache.php:78
triggerOpportunisticLinksUpdate(ParserOutput $parserOutput)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2791
getOldIDFromRequest()
Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect.
Definition: Article.php:339
getDeletionUpdates(Content $content=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2485
setContext( $context)
Sets the context this Article is executed in.
Definition: Article.php:2257
A DatabaseBlock (unlike a SystemBlock) is stored in the database, may give rise to autoblocks and may...
const COMMENT_CHARACTER_LIMIT
Maximum length of a comment in UTF-8 characters.
fetchRevisionRecord()
Fetches the revision to work on.
Definition: Article.php:431
clearPreparedEdit()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2331
getRevisionRedirectTarget(RevisionRecord $revision)
Definition: Article.php:890
static numParam( $num)
Definition: Message.php:1038
replaceSectionContent( $sectionId, Content $sectionContent, $sectionTitle='', $edittime=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2755
__set( $fname, $fvalue)
Use PHP&#39;s magic __set handler to handle setting of raw WikiPage fields for backwards compatibility...
Definition: Article.php:2299
$wgUseNPPatrol
Use new page patrolling to check new pages on Special:Newpages.
getContributors()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2469
updateRedirectOn( $dbw, $redirectTitle, $lastRevIsRedirect=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2815
showMissingArticle()
Show the error text for a missing article.
Definition: Article.php:1370
loadFromRow( $data, $from)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2665
updateRevisionOn( $dbw, $revision, $lastRevision=null, $lastRevIsRedirect=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2823
protectDescription(array $limit, array $expiry)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2727
Class to simplify the use of log pages.
Definition: LogPage.php:33
setOldSubtitle( $oldid=0)
Generate the navigation links when browsing through an article revisions It shows the information as:...
Definition: Article.php:1550
static newCanonical( $context=null, $userLang=null)
Creates a "canonical" ParserOptions object.
The User object encapsulates all of the user-specific settings (user_id, name, rights, email address, options, last login time).
Definition: User.php:51
getContext()
Gets the context this Article is executed in.
Definition: Article.php:2267
Revision null $mRevision
Revision to be shown.
Definition: Article.php:109
pageDataFromTitle( $dbr, $title, $options=[])
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2705
bool $viewIsRenderAction
Whether render() was called.
Definition: Article.php:123
getPermissionManager()
isRedirect()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2657
__construct(Title $title, $oldId=null)
Constructor and clear the article.
Definition: Article.php:130
protectDescriptionLog(array $limit, array $expiry)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2735
Interface for type hinting (accepts WikiPage, Article, ImagePage, CategoryPage)
Definition: Page.php:29
wfReadOnly()
Check whether the wiki is in read-only mode.
$wgDefaultRobotPolicy
Default robot policy.
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:2713
static openElement( $element, $attribs=null)
This opens an XML element.
Definition: Xml.php:108
$wgUseFileCache
This will cache static pages for non-logged-in users to reduce database traffic on public sites...
pageDataFromId( $dbr, $id, $options=[])
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2697
showViewFooter()
Show the footer section of an ordinary page view.
Definition: Article.php:1165
static doWatchOrUnwatch( $watch, Title $title, User $user)
Watch or unwatch a page.
Definition: WatchAction.php:91
$wgUseFilePatrol
Use file patrolling to check new files on Special:Newfiles.
getRevisionFetched()
Get the fetched Revision object depending on request parameters or null on failure.
Definition: Article.php:575
doEditContent(Content $content, $summary, $flags=0, $originalRevId=false, User $user=null, $serialFormat=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2366
const NS_MEDIA
Definition: Defines.php:48
showRedirectedFromHeader()
If this request is a redirect view, send "redirected from" subtitle to the output.
Definition: Article.php:1076
static newGood( $value=null)
Factory function for good results.
Definition: StatusValue.php:81
wfDebug( $text, $dest='all', array $context=[])
Sends a line to the debug log if enabled or, optionally, to a comment in output.
makeParserOptions( $context)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2689
getRevision()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2557
generateReason(&$hasHistory)
Definition: Article.php:2919
getContent( $role, $audience=self::FOR_PUBLIC, User $user=null)
Returns the Content of the given slot of this revision.
static listDropDownOptions( $list, $params=[])
Build options for a drop-down box from a textual list.
Definition: Xml.php:539
static getRedirectHeaderHtml(Language $lang, $target, $forceKnown=false)
Return the HTML for the top of a redirect page.
Definition: Article.php:1713
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:1361
insertRedirect()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2633
static isValid( $ip)
Validate an IP address.
Definition: IP.php:111
int null $mOldId
The oldid of the article that was requested to be shown, 0 for the current revision.
Definition: Article.php:77
hasViewableContent()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2605
IContextSource null $mContext
The context this Article is executed in.
Definition: Article.php:43
getTitle()
Get the title object of the article.
Definition: Article.php:221
$cache
Definition: mcc.php:33
getActionOverrides()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2421
doViewUpdates(User $user, $oldid=0)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2397
getTitle()
Get the title object of the article.
Definition: WikiPage.php:298
const NS_CATEGORY
Definition: Defines.php:74
doPurge()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2389
doRollback( $fromP, $summary, $token, $bot, &$resultDetails, User $user=null)
Definition: Article.php:2891
updateRestrictions( $limit=[], $reason='', &$cascade=0, $expiry=[])
Definition: Article.php:2852
static makeExternalLink( $url, $text, $escape=true, $linktype='', $attribs=[], $title=null)
Make an external link.
Definition: Linker.php:848
render()
Handle action=render.
Definition: Article.php:1765
insertProtectNullRevision( $revCommentMsg, array $limit, array $expiry, $cascade, $reason, $user=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2621
addHelpLink( $to, $overrideBaseUrl=false)
Adds help link with an icon via page indicators.
Definition: Article.php:1748
getCategories()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2437
$wgUseRCPatrol
Use RC Patrolling to check for vandalism (from recent changes and watchlists) New pages and new files...
confirmDelete( $reason)
Output deletion confirmation dialog.
Definition: Article.php:1922
const NS_FILE
Definition: Defines.php:66
$wgRedirectSources
If local interwikis are set up which allow redirects, set this regexp to restrict URLs which will be ...
$wgArticleRobotPolicies
Robot policies per article.
static newFromConds( $conds, $fname=__METHOD__, $dbType=DB_REPLICA)
Find the first recent change matching some specific conditions.
WikiPage null $mPage
The WikiPage object of this instance.
Definition: Article.php:46
static getForTitle(Title $title)
Returns the appropriate ContentHandler singleton for the given title.
replaceSectionAtRev( $sectionId, Content $sectionContent, $sectionTitle='', $baseRevId=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2743
getContentHandler()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2453
const NS_MEDIAWIKI
Definition: Defines.php:68
doDelete( $reason, $suppress=false, $immediate=false)
Perform a deletion and output success or failure messages.
Definition: Article.php:2094
insertOn( $dbw, $pageId=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2613
static makeUrl( $name, $urlaction='')
Definition: Skin.php:1217
getUser( $audience=RevisionRecord::FOR_PUBLIC, User $user=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2589
newPage(Title $title)
Definition: Article.php:139
Title null $mRedirectedFrom
Title from which we were redirected here, if any.
Definition: Article.php:80
setTimestamp( $ts)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2767
static makeTitle( $ns, $title, $fragment='', $interwiki='')
Create a new Title from a namespace index and a DB key.
Definition: Title.php:586
getOldestRevision()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2533
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...
clear()
Clear the object.
Definition: Article.php:238
bool $mContentLoaded
Is the target revision loaded? Set by fetchRevisionRecord().
Definition: Article.php:70
static isRegistered( $name)
Returns true if a hook has a function registered to it.
Definition: Hooks.php:80
getAutoDeleteReason(&$hasHistory)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2429
checkTouched()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2323
static getRevDeleteLink(User $user, Revision $rev, LinkTarget $title)
Get a revision-deletion link, or disabled link, or nothing, depending on user permissions & the setti...
Definition: Linker.php:2105
getId()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2501
getTimestamp()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2565
getUserText( $audience=RevisionRecord::FOR_PUBLIC, User $user=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2597
Content null $mContentObject
Content of the main slot of $this->mRevision.
Definition: Article.php:62
ParserOutput null false $mParserOutput
The ParserOutput generated for viewing the page, initialized by view().
Definition: Article.php:116
doDeleteArticleReal( $reason, $suppress=false, $u1=null, $u2=null, &$error='', User $user=null, $tags=[], $immediate=false)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2339
getMinorEdit()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2525
view()
This is the default action of the index.php entry point: just view the page of the given title...
Definition: Article.php:603
static linkKnown( $target, $html=null, $customAttribs=[], $query=[], $options=[ 'known'])
Identical to link(), except $options defaults to &#39;known&#39;.
Definition: Linker.php:141
getEmptyPageParserOutput(ParserOptions $options)
Returns ParserOutput to use when a page does not exist.
Definition: Article.php:313
getContentObject()
Returns a Content object representing the pages effective display content, not necessarily the revisi...
Definition: Article.php:270
static hidden( $name, $value, array $attribs=[])
Convenience function to produce an input element with type=hidden.
Definition: Html.php:802
wfDeprecated( $function, $version=false, $component=false, $callerOffset=2)
Throws a warning that $function is deprecated.
isFileCacheable( $mode=HTMLFileCache::MODE_NORMAL)
Check if the page can be cached.
Definition: Article.php:2182
getOldID()
Definition: Article.php:326
showNamespaceHeader()
Show a header specific to the namespace currently being viewed, like [[MediaWiki:Talkpagetext]].
Definition: Article.php:1153
Show an error when a user tries to do something they do not have the necessary permissions for...
$wgDeleteRevisionsLimit
Optional to restrict deletion of pages with higher revision counts to users with the &#39;bigdelete&#39; perm...
static element( $element, $attribs=null, $contents='', $allowShortTag=true)
Format an XML element with given attributes and, optionally, text content.
Definition: Xml.php:41
tryFileCache()
checkLastModified returns true if it has taken care of all output to the client that is necessary for...
Definition: Article.php:2151
insertRedirectEntry(Title $rt, $oldLatest=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2641
doDeleteUpdates( $id, Content $content=null, $revision=null, User $user=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2352
viewRedirect( $target, $appendSubtitle=true, $forceKnown=false)
Return the HTML for the top of a redirect page.
Definition: Article.php:1691
const POST_EDIT_COOKIE_KEY_PREFIX
Prefix of key for cookie used to pass post-edit state.
Definition: EditPage.php:203
static revComment(Revision $rev, $local=false, $isPublic=false, $useParentheses=true)
Wrap and format the given revision&#39;s comment block, if the current user is allowed to view it...
Definition: Linker.php:1572
int $mRevIdFetched
Revision ID of revision that was loaded.
Definition: Article.php:90
getSubstituteContent()
Returns Content object to use when the page does not exist.
Definition: Article.php:286
Page revision base class.
loadPageData( $from='fromdb')
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2673
static newFromID( $id)
Constructor from a page id.
Definition: Article.php:148
fetchContentObject()
Get text content object Does NOT follow redirects.
Definition: Article.php:414
const DB_REPLICA
Definition: defines.php:25
$content
Definition: router.php:78
static newFromTitle( $title, IContextSource $context)
Create an Article object of the appropriate class for the given page.
Definition: Article.php:160
isCurrent()
Returns true if the currently-referenced revision is the current edit to this page (and it exists)...
Definition: Article.php:557
unprotect()
action=unprotect handler (alias)
Definition: Article.php:1784
Handles the page protection UI and backend.
getTouched()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2573
wfMessage( $key,... $params)
This is the function for getting translated interface messages.
static newFromName( $name, $validate='valid')
Static factory method for creation from username.
Definition: User.php:533
static newFromWikiPage(WikiPage $page, IContextSource $context)
Create an Article object of the appropriate class for the given page.
Definition: Article.php:192
static newFromId( $id, $flags=0)
Load a page revision from a given revision ID number.
Definition: Revision.php:119
static link( $target, $html=null, $customAttribs=[], $query=[], $options=[])
This function returns an HTML link to the given target.
Definition: Linker.php:85
getCreator( $audience=RevisionRecord::FOR_PUBLIC, User $user=null)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2477
$wgSend404Code
Some web hosts attempt to rewrite all responses with a 404 (not found) status code, mangling or hiding MediaWiki&#39;s output.
static makeContent( $text, Title $title=null, $modelId=null, $format=null)
Convenience function for creating a Content object from a given textual representation.
getRevIdFetched()
Use this to fetch the rev ID used on page views.
Definition: Article.php:591
const NS_USER_TALK
Definition: Defines.php:63
showDiffPage()
Show a diff page according to current request variables.
Definition: Article.php:917
applyContentOverride(Content $override)
Applies a content override by constructing a fake Revision object and assigning it to mRevision...
Definition: Article.php:541
updateIfNewerOn( $dbw, $revision)
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2807
showDeletedRevisionHeader()
If the revision requested for view is deleted, check permissions.
Definition: Article.php:1507
setRedirectedFrom(Title $from)
Tell the page view functions that this view was redirected from another page on the wiki...
Definition: Article.php:212
getContentModel()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2461
getLinksTimestamp()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2517
static run( $event, array $args=[], $deprecatedVersion=null)
Call hook functions defined in Hooks::register and $wgHooks.
Definition: Hooks.php:200
commitRollback( $fromP, $summary, $bot, &$resultDetails, User $guser=null)
Definition: Article.php:2907
static listDropDownOptionsOoui( $options)
Convert options for a drop-down box into a format accepted by OOUI\DropdownInputWidget etc...
Definition: Xml.php:581
getParserOptions()
Get parser options suitable for rendering the primary article wikitext.
Definition: Article.php:2243
const RC_LOG
Definition: Defines.php:124
getRobotPolicy( $action, ParserOutput $pOutput=null)
Get the robot policy to be used for the current view.
Definition: Article.php:967
showPatrolFooter()
If patrol is possible, output a patrol UI box.
Definition: Article.php:1188
static showLogExtract(&$out, $types=[], $page='', $user='', $param=[])
Show log extract.
static revUserTools( $rev, $isPublic=false, $useParentheses=true)
Generate a user tool link cluster if the current user is allowed to view it.
Definition: Linker.php:1124
static formatRobotPolicy( $policy)
Converts a String robot policy into an associative array, to allow merging of several policies using ...
Definition: Article.php:1047
getHiddenCategories()
Call to WikiPage function for backwards compatibility.
Definition: Article.php:2493