--- /dev/null
+<?php
+/**
+ * User interface for page actions.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+use MediaWiki\MediaWikiServices;
+
+/**
+ * Class for viewing MediaWiki article and history.
+ *
+ * This maintains WikiPage functions for backwards compatibility.
+ *
+ * @todo Move and rewrite code to an Action class
+ *
+ * See design.txt for an overview.
+ * Note: edit user interface and cache support functions have been
+ * moved to separate EditPage and HTMLFileCache classes.
+ */
+class Article implements Page {
+ /** @var IContextSource The context this Article is executed in */
+ protected $mContext;
+
+ /** @var WikiPage The WikiPage object of this instance */
+ protected $mPage;
+
+ /** @var ParserOptions ParserOptions object for $wgUser articles */
+ public $mParserOptions;
+
+ /**
+ * @var string Text of the revision we are working on
+ * @todo BC cruft
+ */
+ public $mContent;
+
+ /**
+ * @var Content Content of the revision we are working on
+ * @since 1.21
+ */
+ public $mContentObject;
+
+ /** @var bool Is the content ($mContent) already loaded? */
+ public $mContentLoaded = false;
+
+ /** @var int|null The oldid of the article that is to be shown, 0 for the current revision */
+ public $mOldId;
+
+ /** @var Title Title from which we were redirected here */
+ public $mRedirectedFrom = null;
+
+ /** @var string|bool URL to redirect to or false if none */
+ public $mRedirectUrl = false;
+
+ /** @var int Revision ID of revision we are working on */
+ public $mRevIdFetched = 0;
+
+ /** @var Revision Revision we are working on */
+ public $mRevision = null;
+
+ /** @var ParserOutput */
+ public $mParserOutput;
+
+ /**
+ * Constructor and clear the article
+ * @param Title $title Reference to a Title object.
+ * @param int $oldId Revision ID, null to fetch from request, zero for current
+ */
+ public function __construct( Title $title, $oldId = null ) {
+ $this->mOldId = $oldId;
+ $this->mPage = $this->newPage( $title );
+ }
+
+ /**
+ * @param Title $title
+ * @return WikiPage
+ */
+ protected function newPage( Title $title ) {
+ return new WikiPage( $title );
+ }
+
+ /**
+ * Constructor from a page id
+ * @param int $id Article ID to load
+ * @return Article|null
+ */
+ public static function newFromID( $id ) {
+ $t = Title::newFromID( $id );
+ return $t == null ? null : new static( $t );
+ }
+
+ /**
+ * Create an Article object of the appropriate class for the given page.
+ *
+ * @param Title $title
+ * @param IContextSource $context
+ * @return Article
+ */
+ public static function newFromTitle( $title, IContextSource $context ) {
+ if ( NS_MEDIA == $title->getNamespace() ) {
+ // FIXME: where should this go?
+ $title = Title::makeTitle( NS_FILE, $title->getDBkey() );
+ }
+
+ $page = null;
+ Hooks::run( 'ArticleFromTitle', [ &$title, &$page, $context ] );
+ if ( !$page ) {
+ switch ( $title->getNamespace() ) {
+ case NS_FILE:
+ $page = new ImagePage( $title );
+ break;
+ case NS_CATEGORY:
+ $page = new CategoryPage( $title );
+ break;
+ default:
+ $page = new Article( $title );
+ }
+ }
+ $page->setContext( $context );
+
+ return $page;
+ }
+
+ /**
+ * Create an Article object of the appropriate class for the given page.
+ *
+ * @param WikiPage $page
+ * @param IContextSource $context
+ * @return Article
+ */
+ public static function newFromWikiPage( WikiPage $page, IContextSource $context ) {
+ $article = self::newFromTitle( $page->getTitle(), $context );
+ $article->mPage = $page; // override to keep process cached vars
+ return $article;
+ }
+
+ /**
+ * Get the page this view was redirected from
+ * @return Title|null
+ * @since 1.28
+ */
+ public function getRedirectedFrom() {
+ return $this->mRedirectedFrom;
+ }
+
+ /**
+ * Tell the page view functions that this view was redirected
+ * from another page on the wiki.
+ * @param Title $from
+ */
+ public function setRedirectedFrom( Title $from ) {
+ $this->mRedirectedFrom = $from;
+ }
+
+ /**
+ * Get the title object of the article
+ *
+ * @return Title Title object of this page
+ */
+ public function getTitle() {
+ return $this->mPage->getTitle();
+ }
+
+ /**
+ * Get the WikiPage object of this instance
+ *
+ * @since 1.19
+ * @return WikiPage
+ */
+ public function getPage() {
+ return $this->mPage;
+ }
+
+ /**
+ * Clear the object
+ */
+ public function clear() {
+ $this->mContentLoaded = false;
+
+ $this->mRedirectedFrom = null; # Title object if set
+ $this->mRevIdFetched = 0;
+ $this->mRedirectUrl = false;
+
+ $this->mPage->clear();
+ }
+
+ /**
+ * Returns a Content object representing the pages effective display content,
+ * not necessarily the revision's content!
+ *
+ * Note that getContent does not follow redirects anymore.
+ * If you need to fetch redirectable content easily, try
+ * the shortcut in WikiPage::getRedirectTarget()
+ *
+ * This function has side effects! Do not use this function if you
+ * only want the real revision text if any.
+ *
+ * @return Content Return the content of this revision
+ *
+ * @since 1.21
+ */
+ protected function getContentObject() {
+ if ( $this->mPage->getId() === 0 ) {
+ # If this is a MediaWiki:x message, then load the messages
+ # and return the message value for x.
+ if ( $this->getTitle()->getNamespace() == NS_MEDIAWIKI ) {
+ $text = $this->getTitle()->getDefaultMessageText();
+ if ( $text === false ) {
+ $text = '';
+ }
+
+ $content = ContentHandler::makeContent( $text, $this->getTitle() );
+ } else {
+ $message = $this->getContext()->getUser()->isLoggedIn() ? 'noarticletext' : 'noarticletextanon';
+ $content = new MessageContent( $message, null, 'parsemag' );
+ }
+ } else {
+ $this->fetchContentObject();
+ $content = $this->mContentObject;
+ }
+
+ return $content;
+ }
+
+ /**
+ * @return int The oldid of the article that is to be shown, 0 for the current revision
+ */
+ public function getOldID() {
+ if ( is_null( $this->mOldId ) ) {
+ $this->mOldId = $this->getOldIDFromRequest();
+ }
+
+ return $this->mOldId;
+ }
+
+ /**
+ * Sets $this->mRedirectUrl to a correct URL if the query parameters are incorrect
+ *
+ * @return int The old id for the request
+ */
+ public function getOldIDFromRequest() {
+ $this->mRedirectUrl = false;
+
+ $request = $this->getContext()->getRequest();
+ $oldid = $request->getIntOrNull( 'oldid' );
+
+ if ( $oldid === null ) {
+ return 0;
+ }
+
+ if ( $oldid !== 0 ) {
+ # Load the given revision and check whether the page is another one.
+ # In that case, update this instance to reflect the change.
+ if ( $oldid === $this->mPage->getLatest() ) {
+ $this->mRevision = $this->mPage->getRevision();
+ } else {
+ $this->mRevision = Revision::newFromId( $oldid );
+ if ( $this->mRevision !== null ) {
+ // Revision title doesn't match the page title given?
+ if ( $this->mPage->getId() != $this->mRevision->getPage() ) {
+ $function = [ get_class( $this->mPage ), 'newFromID' ];
+ $this->mPage = call_user_func( $function, $this->mRevision->getPage() );
+ }
+ }
+ }
+ }
+
+ if ( $request->getVal( 'direction' ) == 'next' ) {
+ $nextid = $this->getTitle()->getNextRevisionID( $oldid );
+ if ( $nextid ) {
+ $oldid = $nextid;
+ $this->mRevision = null;
+ } else {
+ $this->mRedirectUrl = $this->getTitle()->getFullURL( 'redirect=no' );
+ }
+ } elseif ( $request->getVal( 'direction' ) == 'prev' ) {
+ $previd = $this->getTitle()->getPreviousRevisionID( $oldid );
+ if ( $previd ) {
+ $oldid = $previd;
+ $this->mRevision = null;
+ }
+ }
+
+ return $oldid;
+ }
+
+ /**
+ * Get text content object
+ * Does *NOT* follow redirects.
+ * @todo When is this null?
+ *
+ * @note Code that wants to retrieve page content from the database should
+ * use WikiPage::getContent().
+ *
+ * @return Content|null|bool
+ *
+ * @since 1.21
+ */
+ protected function fetchContentObject() {
+ if ( $this->mContentLoaded ) {
+ return $this->mContentObject;
+ }
+
+ $this->mContentLoaded = true;
+ $this->mContent = null;
+
+ $oldid = $this->getOldID();
+
+ # Pre-fill content with error message so that if something
+ # fails we'll have something telling us what we intended.
+ // XXX: this isn't page content but a UI message. horrible.
+ $this->mContentObject = new MessageContent( 'missing-revision', [ $oldid ] );
+
+ if ( $oldid ) {
+ # $this->mRevision might already be fetched by getOldIDFromRequest()
+ if ( !$this->mRevision ) {
+ $this->mRevision = Revision::newFromId( $oldid );
+ if ( !$this->mRevision ) {
+ wfDebug( __METHOD__ . " failed to retrieve specified revision, id $oldid\n" );
+ return false;
+ }
+ }
+ } else {
+ $oldid = $this->mPage->getLatest();
+ if ( !$oldid ) {
+ wfDebug( __METHOD__ . " failed to find page data for title " .
+ $this->getTitle()->getPrefixedText() . "\n" );
+ return false;
+ }
+
+ # Update error message with correct oldid
+ $this->mContentObject = new MessageContent( 'missing-revision', [ $oldid ] );
+
+ $this->mRevision = $this->mPage->getRevision();
+
+ if ( !$this->mRevision ) {
+ wfDebug( __METHOD__ . " failed to retrieve current page, rev_id $oldid\n" );
+ return false;
+ }
+ }
+
+ // @todo FIXME: Horrible, horrible! This content-loading interface just plain sucks.
+ // We should instead work with the Revision object when we need it...
+ // Loads if user is allowed
+ $content = $this->mRevision->getContent(
+ Revision::FOR_THIS_USER,
+ $this->getContext()->getUser()
+ );
+
+ if ( !$content ) {
+ wfDebug( __METHOD__ . " failed to retrieve content of revision " .
+ $this->mRevision->getId() . "\n" );
+ return false;
+ }
+
+ $this->mContentObject = $content;
+ $this->mRevIdFetched = $this->mRevision->getId();
+
+ // Avoid PHP 7.1 warning of passing $this by reference
+ $articlePage = $this;
+
+ Hooks::run(
+ 'ArticleAfterFetchContentObject',
+ [ &$articlePage, &$this->mContentObject ]
+ );
+
+ return $this->mContentObject;
+ }
+
+ /**
+ * Returns true if the currently-referenced revision is the current edit
+ * to this page (and it exists).
+ * @return bool
+ */
+ public function isCurrent() {
+ # If no oldid, this is the current version.
+ if ( $this->getOldID() == 0 ) {
+ return true;
+ }
+
+ return $this->mPage->exists() && $this->mRevision && $this->mRevision->isCurrent();
+ }
+
+ /**
+ * Get the fetched Revision object depending on request parameters or null
+ * on failure.
+ *
+ * @since 1.19
+ * @return Revision|null
+ */
+ public function getRevisionFetched() {
+ $this->fetchContentObject();
+
+ return $this->mRevision;
+ }
+
+ /**
+ * Use this to fetch the rev ID used on page views
+ *
+ * @return int Revision ID of last article revision
+ */
+ public function getRevIdFetched() {
+ if ( $this->mRevIdFetched ) {
+ return $this->mRevIdFetched;
+ } else {
+ return $this->mPage->getLatest();
+ }
+ }
+
+ /**
+ * This is the default action of the index.php entry point: just view the
+ * page of the given title.
+ */
+ public function view() {
+ global $wgUseFileCache, $wgDebugToolbar;
+
+ # Get variables from query string
+ # As side effect this will load the revision and update the title
+ # in a revision ID is passed in the request, so this should remain
+ # the first call of this method even if $oldid is used way below.
+ $oldid = $this->getOldID();
+
+ $user = $this->getContext()->getUser();
+ # Another whitelist check in case getOldID() is altering the title
+ $permErrors = $this->getTitle()->getUserPermissionsErrors( 'read', $user );
+ if ( count( $permErrors ) ) {
+ wfDebug( __METHOD__ . ": denied on secondary read check\n" );
+ throw new PermissionsError( 'read', $permErrors );
+ }
+
+ $outputPage = $this->getContext()->getOutput();
+ # getOldID() may as well want us to redirect somewhere else
+ if ( $this->mRedirectUrl ) {
+ $outputPage->redirect( $this->mRedirectUrl );
+ wfDebug( __METHOD__ . ": redirecting due to oldid\n" );
+
+ return;
+ }
+
+ # If we got diff in the query, we want to see a diff page instead of the article.
+ if ( $this->getContext()->getRequest()->getCheck( 'diff' ) ) {
+ wfDebug( __METHOD__ . ": showing diff page\n" );
+ $this->showDiffPage();
+
+ return;
+ }
+
+ # Set page title (may be overridden by DISPLAYTITLE)
+ $outputPage->setPageTitle( $this->getTitle()->getPrefixedText() );
+
+ $outputPage->setArticleFlag( true );
+ # Allow frames by default
+ $outputPage->allowClickjacking();
+
+ $parserCache = MediaWikiServices::getInstance()->getParserCache();
+
+ $parserOptions = $this->getParserOptions();
+ # Render printable version, use printable version cache
+ if ( $outputPage->isPrintable() ) {
+ $parserOptions->setIsPrintable( true );
+ $parserOptions->setEditSection( false );
+ } elseif ( !$this->isCurrent() || !$this->getTitle()->quickUserCan( 'edit', $user ) ) {
+ $parserOptions->setEditSection( false );
+ }
+
+ # Try client and file cache
+ if ( !$wgDebugToolbar && $oldid === 0 && $this->mPage->checkTouched() ) {
+ # Try to stream the output from file cache
+ if ( $wgUseFileCache && $this->tryFileCache() ) {
+ wfDebug( __METHOD__ . ": done file cache\n" );
+ # tell wgOut that output is taken care of
+ $outputPage->disable();
+ $this->mPage->doViewUpdates( $user, $oldid );
+
+ return;
+ }
+ }
+
+ # Should the parser cache be used?
+ $useParserCache = $this->mPage->shouldCheckParserCache( $parserOptions, $oldid );
+ wfDebug( 'Article::view using parser cache: ' . ( $useParserCache ? 'yes' : 'no' ) . "\n" );
+ if ( $user->getStubThreshold() ) {
+ MediaWikiServices::getInstance()->getStatsdDataFactory()->increment( 'pcache_miss_stub' );
+ }
+
+ $this->showRedirectedFromHeader();
+ $this->showNamespaceHeader();
+
+ # Iterate through the possible ways of constructing the output text.
+ # Keep going until $outputDone is set, or we run out of things to do.
+ $pass = 0;
+ $outputDone = false;
+ $this->mParserOutput = false;
+
+ while ( !$outputDone && ++$pass ) {
+ switch ( $pass ) {
+ case 1:
+ // Avoid PHP 7.1 warning of passing $this by reference
+ $articlePage = $this;
+ Hooks::run( 'ArticleViewHeader', [ &$articlePage, &$outputDone, &$useParserCache ] );
+ break;
+ case 2:
+ # Early abort if the page doesn't exist
+ if ( !$this->mPage->exists() ) {
+ wfDebug( __METHOD__ . ": showing missing article\n" );
+ $this->showMissingArticle();
+ $this->mPage->doViewUpdates( $user );
+ return;
+ }
+
+ # Try the parser cache
+ if ( $useParserCache ) {
+ $this->mParserOutput = $parserCache->get( $this->mPage, $parserOptions );
+
+ if ( $this->mParserOutput !== false ) {
+ if ( $oldid ) {
+ wfDebug( __METHOD__ . ": showing parser cache contents for current rev permalink\n" );
+ $this->setOldSubtitle( $oldid );
+ } else {
+ wfDebug( __METHOD__ . ": showing parser cache contents\n" );
+ }
+ $outputPage->addParserOutput( $this->mParserOutput );
+ # Ensure that UI elements requiring revision ID have
+ # the correct version information.
+ $outputPage->setRevisionId( $this->mPage->getLatest() );
+ # Preload timestamp to avoid a DB hit
+ $cachedTimestamp = $this->mParserOutput->getTimestamp();
+ if ( $cachedTimestamp !== null ) {
+ $outputPage->setRevisionTimestamp( $cachedTimestamp );
+ $this->mPage->setTimestamp( $cachedTimestamp );
+ }
+ $outputDone = true;
+ }
+ }
+ break;
+ case 3:
+ # This will set $this->mRevision if needed
+ $this->fetchContentObject();
+
+ # Are we looking at an old revision
+ if ( $oldid && $this->mRevision ) {
+ $this->setOldSubtitle( $oldid );
+
+ if ( !$this->showDeletedRevisionHeader() ) {
+ wfDebug( __METHOD__ . ": cannot view deleted revision\n" );
+ return;
+ }
+ }
+
+ # Ensure that UI elements requiring revision ID have
+ # the correct version information.
+ $outputPage->setRevisionId( $this->getRevIdFetched() );
+ # Preload timestamp to avoid a DB hit
+ $outputPage->setRevisionTimestamp( $this->mPage->getTimestamp() );
+
+ # Pages containing custom CSS or JavaScript get special treatment
+ if ( $this->getTitle()->isCssOrJsPage() || $this->getTitle()->isCssJsSubpage() ) {
+ $dir = $this->getContext()->getLanguage()->getDir();
+ $lang = $this->getContext()->getLanguage()->getHtmlCode();
+
+ $outputPage->wrapWikiMsg(
+ "<div id='mw-clearyourcache' lang='$lang' dir='$dir' class='mw-content-$dir'>\n$1\n</div>",
+ 'clearyourcache'
+ );
+ } elseif ( !Hooks::run( 'ArticleContentViewCustom',
+ [ $this->fetchContentObject(), $this->getTitle(), $outputPage ] )
+ ) {
+ # Allow extensions do their own custom view for certain pages
+ $outputDone = true;
+ }
+ break;
+ case 4:
+ # Run the parse, protected by a pool counter
+ wfDebug( __METHOD__ . ": doing uncached parse\n" );
+
+ $content = $this->getContentObject();
+ $poolArticleView = new PoolWorkArticleView( $this->getPage(), $parserOptions,
+ $this->getRevIdFetched(), $useParserCache, $content );
+
+ if ( !$poolArticleView->execute() ) {
+ $error = $poolArticleView->getError();
+ if ( $error ) {
+ $outputPage->clearHTML(); // for release() errors
+ $outputPage->enableClientCache( false );
+ $outputPage->setRobotPolicy( 'noindex,nofollow' );
+
+ $errortext = $error->getWikiText( false, 'view-pool-error' );
+ $outputPage->addWikiText( '<div class="errorbox">' . $errortext . '</div>' );
+ }
+ # Connection or timeout error
+ return;
+ }
+
+ $this->mParserOutput = $poolArticleView->getParserOutput();
+ $outputPage->addParserOutput( $this->mParserOutput );
+ if ( $content->getRedirectTarget() ) {
+ $outputPage->addSubtitle( "<span id=\"redirectsub\">" .
+ $this->getContext()->msg( 'redirectpagesub' )->parse() . "</span>" );
+ }
+
+ # Don't cache a dirty ParserOutput object
+ if ( $poolArticleView->getIsDirty() ) {
+ $outputPage->setCdnMaxage( 0 );
+ $outputPage->addHTML( "<!-- parser cache is expired, " .
+ "sending anyway due to pool overload-->\n" );
+ }
+
+ $outputDone = true;
+ break;
+ # Should be unreachable, but just in case...
+ default:
+ break 2;
+ }
+ }
+
+ # Get the ParserOutput actually *displayed* here.
+ # Note that $this->mParserOutput is the *current*/oldid version output.
+ $pOutput = ( $outputDone instanceof ParserOutput )
+ ? $outputDone // object fetched by hook
+ : $this->mParserOutput;
+
+ # Adjust title for main page & pages with displaytitle
+ if ( $pOutput ) {
+ $this->adjustDisplayTitle( $pOutput );
+ }
+
+ # For the main page, overwrite the <title> element with the con-
+ # tents of 'pagetitle-view-mainpage' instead of the default (if
+ # that's not empty).
+ # This message always exists because it is in the i18n files
+ if ( $this->getTitle()->isMainPage() ) {
+ $msg = wfMessage( 'pagetitle-view-mainpage' )->inContentLanguage();
+ if ( !$msg->isDisabled() ) {
+ $outputPage->setHTMLTitle( $msg->title( $this->getTitle() )->text() );
+ }
+ }
+
+ # Use adaptive TTLs for CDN so delayed/failed purges are noticed less often.
+ # This could use getTouched(), but that could be scary for major template edits.
+ $outputPage->adaptCdnTTL( $this->mPage->getTimestamp(), IExpiringStore::TTL_DAY );
+
+ # Check for any __NOINDEX__ tags on the page using $pOutput
+ $policy = $this->getRobotPolicy( 'view', $pOutput );
+ $outputPage->setIndexPolicy( $policy['index'] );
+ $outputPage->setFollowPolicy( $policy['follow'] );
+
+ $this->showViewFooter();
+ $this->mPage->doViewUpdates( $user, $oldid );
+
+ # Load the postEdit module if the user just saved this revision
+ # See also EditPage::setPostEditCookie
+ $request = $this->getContext()->getRequest();
+ $cookieKey = EditPage::POST_EDIT_COOKIE_KEY_PREFIX . $this->getRevIdFetched();
+ $postEdit = $request->getCookie( $cookieKey );
+ if ( $postEdit ) {
+ # Clear the cookie. This also prevents caching of the response.
+ $request->response()->clearCookie( $cookieKey );
+ $outputPage->addJsConfigVars( 'wgPostEdit', $postEdit );
+ $outputPage->addModules( 'mediawiki.action.view.postEdit' );
+ }
+ }
+
+ /**
+ * Adjust title for pages with displaytitle, -{T|}- or language conversion
+ * @param ParserOutput $pOutput
+ */
+ public function adjustDisplayTitle( ParserOutput $pOutput ) {
+ # Adjust the title if it was set by displaytitle, -{T|}- or language conversion
+ $titleText = $pOutput->getTitleText();
+ if ( strval( $titleText ) !== '' ) {
+ $this->getContext()->getOutput()->setPageTitle( $titleText );
+ }
+ }
+
+ /**
+ * Show a diff page according to current request variables. For use within
+ * Article::view() only, other callers should use the DifferenceEngine class.
+ */
+ protected function showDiffPage() {
+ $request = $this->getContext()->getRequest();
+ $user = $this->getContext()->getUser();
+ $diff = $request->getVal( 'diff' );
+ $rcid = $request->getVal( 'rcid' );
+ $diffOnly = $request->getBool( 'diffonly', $user->getOption( 'diffonly' ) );
+ $purge = $request->getVal( 'action' ) == 'purge';
+ $unhide = $request->getInt( 'unhide' ) == 1;
+ $oldid = $this->getOldID();
+
+ $rev = $this->getRevisionFetched();
+
+ if ( !$rev ) {
+ $this->getContext()->getOutput()->setPageTitle( wfMessage( 'errorpagetitle' ) );
+ $msg = $this->getContext()->msg( 'difference-missing-revision' )
+ ->params( $oldid )
+ ->numParams( 1 )
+ ->parseAsBlock();
+ $this->getContext()->getOutput()->addHTML( $msg );
+ return;
+ }
+
+ $contentHandler = $rev->getContentHandler();
+ $de = $contentHandler->createDifferenceEngine(
+ $this->getContext(),
+ $oldid,
+ $diff,
+ $rcid,
+ $purge,
+ $unhide
+ );
+
+ // DifferenceEngine directly fetched the revision:
+ $this->mRevIdFetched = $de->mNewid;
+ $de->showDiffPage( $diffOnly );
+
+ // Run view updates for the newer revision being diffed (and shown
+ // below the diff if not $diffOnly).
+ list( $old, $new ) = $de->mapDiffPrevNext( $oldid, $diff );
+ // New can be false, convert it to 0 - this conveniently means the latest revision
+ $this->mPage->doViewUpdates( $user, (int)$new );
+ }
+
+ /**
+ * Get the robot policy to be used for the current view
+ * @param string $action The action= GET parameter
+ * @param ParserOutput|null $pOutput
+ * @return array The policy that should be set
+ * @todo actions other than 'view'
+ */
+ public function getRobotPolicy( $action, $pOutput = null ) {
+ global $wgArticleRobotPolicies, $wgNamespaceRobotPolicies, $wgDefaultRobotPolicy;
+
+ $ns = $this->getTitle()->getNamespace();
+
+ # Don't index user and user talk pages for blocked users (T13443)
+ if ( ( $ns == NS_USER || $ns == NS_USER_TALK ) && !$this->getTitle()->isSubpage() ) {
+ $specificTarget = null;
+ $vagueTarget = null;
+ $titleText = $this->getTitle()->getText();
+ if ( IP::isValid( $titleText ) ) {
+ $vagueTarget = $titleText;
+ } else {
+ $specificTarget = $titleText;
+ }
+ if ( Block::newFromTarget( $specificTarget, $vagueTarget ) instanceof Block ) {
+ return [
+ 'index' => 'noindex',
+ 'follow' => 'nofollow'
+ ];
+ }
+ }
+
+ if ( $this->mPage->getId() === 0 || $this->getOldID() ) {
+ # Non-articles (special pages etc), and old revisions
+ return [
+ 'index' => 'noindex',
+ 'follow' => 'nofollow'
+ ];
+ } elseif ( $this->getContext()->getOutput()->isPrintable() ) {
+ # Discourage indexing of printable versions, but encourage following
+ return [
+ 'index' => 'noindex',
+ 'follow' => 'follow'
+ ];
+ } elseif ( $this->getContext()->getRequest()->getInt( 'curid' ) ) {
+ # For ?curid=x urls, disallow indexing
+ return [
+ 'index' => 'noindex',
+ 'follow' => 'follow'
+ ];
+ }
+
+ # Otherwise, construct the policy based on the various config variables.
+ $policy = self::formatRobotPolicy( $wgDefaultRobotPolicy );
+
+ if ( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
+ # Honour customised robot policies for this namespace
+ $policy = array_merge(
+ $policy,
+ self::formatRobotPolicy( $wgNamespaceRobotPolicies[$ns] )
+ );
+ }
+ if ( $this->getTitle()->canUseNoindex() && is_object( $pOutput ) && $pOutput->getIndexPolicy() ) {
+ # __INDEX__ and __NOINDEX__ magic words, if allowed. Incorporates
+ # a final sanity check that we have really got the parser output.
+ $policy = array_merge(
+ $policy,
+ [ 'index' => $pOutput->getIndexPolicy() ]
+ );
+ }
+
+ if ( isset( $wgArticleRobotPolicies[$this->getTitle()->getPrefixedText()] ) ) {
+ # (T16900) site config can override user-defined __INDEX__ or __NOINDEX__
+ $policy = array_merge(
+ $policy,
+ self::formatRobotPolicy( $wgArticleRobotPolicies[$this->getTitle()->getPrefixedText()] )
+ );
+ }
+
+ return $policy;
+ }
+
+ /**
+ * Converts a String robot policy into an associative array, to allow
+ * merging of several policies using array_merge().
+ * @param array|string $policy Returns empty array on null/false/'', transparent
+ * to already-converted arrays, converts string.
+ * @return array 'index' => \<indexpolicy\>, 'follow' => \<followpolicy\>
+ */
+ public static function formatRobotPolicy( $policy ) {
+ if ( is_array( $policy ) ) {
+ return $policy;
+ } elseif ( !$policy ) {
+ return [];
+ }
+
+ $policy = explode( ',', $policy );
+ $policy = array_map( 'trim', $policy );
+
+ $arr = [];
+ foreach ( $policy as $var ) {
+ if ( in_array( $var, [ 'index', 'noindex' ] ) ) {
+ $arr['index'] = $var;
+ } elseif ( in_array( $var, [ 'follow', 'nofollow' ] ) ) {
+ $arr['follow'] = $var;
+ }
+ }
+
+ return $arr;
+ }
+
+ /**
+ * If this request is a redirect view, send "redirected from" subtitle to
+ * the output. Returns true if the header was needed, false if this is not
+ * a redirect view. Handles both local and remote redirects.
+ *
+ * @return bool
+ */
+ public function showRedirectedFromHeader() {
+ global $wgRedirectSources;
+
+ $context = $this->getContext();
+ $outputPage = $context->getOutput();
+ $request = $context->getRequest();
+ $rdfrom = $request->getVal( 'rdfrom' );
+
+ // Construct a URL for the current page view, but with the target title
+ $query = $request->getValues();
+ unset( $query['rdfrom'] );
+ unset( $query['title'] );
+ if ( $this->getTitle()->isRedirect() ) {
+ // Prevent double redirects
+ $query['redirect'] = 'no';
+ }
+ $redirectTargetUrl = $this->getTitle()->getLinkURL( $query );
+
+ if ( isset( $this->mRedirectedFrom ) ) {
+ // Avoid PHP 7.1 warning of passing $this by reference
+ $articlePage = $this;
+
+ // This is an internally redirected page view.
+ // We'll need a backlink to the source page for navigation.
+ if ( Hooks::run( 'ArticleViewRedirect', [ &$articlePage ] ) ) {
+ $redir = Linker::linkKnown(
+ $this->mRedirectedFrom,
+ null,
+ [],
+ [ 'redirect' => 'no' ]
+ );
+
+ $outputPage->addSubtitle( "<span class=\"mw-redirectedfrom\">" .
+ $context->msg( 'redirectedfrom' )->rawParams( $redir )->parse()
+ . "</span>" );
+
+ // Add the script to update the displayed URL and
+ // set the fragment if one was specified in the redirect
+ $outputPage->addJsConfigVars( [
+ 'wgInternalRedirectTargetUrl' => $redirectTargetUrl,
+ ] );
+ $outputPage->addModules( 'mediawiki.action.view.redirect' );
+
+ // Add a <link rel="canonical"> tag
+ $outputPage->setCanonicalUrl( $this->getTitle()->getCanonicalURL() );
+
+ // Tell the output object that the user arrived at this article through a redirect
+ $outputPage->setRedirectedFrom( $this->mRedirectedFrom );
+
+ return true;
+ }
+ } elseif ( $rdfrom ) {
+ // This is an externally redirected view, from some other wiki.
+ // If it was reported from a trusted site, supply a backlink.
+ if ( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
+ $redir = Linker::makeExternalLink( $rdfrom, $rdfrom );
+ $outputPage->addSubtitle( "<span class=\"mw-redirectedfrom\">" .
+ $context->msg( 'redirectedfrom' )->rawParams( $redir )->parse()
+ . "</span>" );
+
+ // Add the script to update the displayed URL
+ $outputPage->addJsConfigVars( [
+ 'wgInternalRedirectTargetUrl' => $redirectTargetUrl,
+ ] );
+ $outputPage->addModules( 'mediawiki.action.view.redirect' );
+
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Show a header specific to the namespace currently being viewed, like
+ * [[MediaWiki:Talkpagetext]]. For Article::view().
+ */
+ public function showNamespaceHeader() {
+ if ( $this->getTitle()->isTalkPage() ) {
+ if ( !wfMessage( 'talkpageheader' )->isDisabled() ) {
+ $this->getContext()->getOutput()->wrapWikiMsg(
+ "<div class=\"mw-talkpageheader\">\n$1\n</div>",
+ [ 'talkpageheader' ]
+ );
+ }
+ }
+ }
+
+ /**
+ * Show the footer section of an ordinary page view
+ */
+ public function showViewFooter() {
+ # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
+ if ( $this->getTitle()->getNamespace() == NS_USER_TALK
+ && IP::isValid( $this->getTitle()->getText() )
+ ) {
+ $this->getContext()->getOutput()->addWikiMsg( 'anontalkpagetext' );
+ }
+
+ // Show a footer allowing the user to patrol the shown revision or page if possible
+ $patrolFooterShown = $this->showPatrolFooter();
+
+ Hooks::run( 'ArticleViewFooter', [ $this, $patrolFooterShown ] );
+ }
+
+ /**
+ * If patrol is possible, output a patrol UI box. This is called from the
+ * footer section of ordinary page views. If patrol is not possible or not
+ * desired, does nothing.
+ * Side effect: When the patrol link is build, this method will call
+ * OutputPage::preventClickjacking() and load mediawiki.page.patrol.ajax.
+ *
+ * @return bool
+ */
+ public function showPatrolFooter() {
+ global $wgUseNPPatrol, $wgUseRCPatrol, $wgUseFilePatrol, $wgEnableAPI, $wgEnableWriteAPI;
+
+ $outputPage = $this->getContext()->getOutput();
+ $user = $this->getContext()->getUser();
+ $title = $this->getTitle();
+ $rc = false;
+
+ if ( !$title->quickUserCan( 'patrol', $user )
+ || !( $wgUseRCPatrol || $wgUseNPPatrol
+ || ( $wgUseFilePatrol && $title->inNamespace( NS_FILE ) ) )
+ ) {
+ // Patrolling is disabled or the user isn't allowed to
+ return false;
+ }
+
+ if ( $this->mRevision
+ && !RecentChange::isInRCLifespan( $this->mRevision->getTimestamp(), 21600 )
+ ) {
+ // The current revision is already older than what could be in the RC table
+ // 6h tolerance because the RC might not be cleaned out regularly
+ return false;
+ }
+
+ // Check for cached results
+ $cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
+ $key = $cache->makeKey( 'unpatrollable-page', $title->getArticleID() );
+ if ( $cache->get( $key ) ) {
+ return false;
+ }
+
+ $dbr = wfGetDB( DB_REPLICA );
+ $oldestRevisionTimestamp = $dbr->selectField(
+ 'revision',
+ 'MIN( rev_timestamp )',
+ [ 'rev_page' => $title->getArticleID() ],
+ __METHOD__
+ );
+
+ // New page patrol: Get the timestamp of the oldest revison which
+ // the revision table holds for the given page. Then we look
+ // whether it's within the RC lifespan and if it is, we try
+ // to get the recentchanges row belonging to that entry
+ // (with rc_new = 1).
+ $recentPageCreation = false;
+ if ( $oldestRevisionTimestamp
+ && RecentChange::isInRCLifespan( $oldestRevisionTimestamp, 21600 )
+ ) {
+ // 6h tolerance because the RC might not be cleaned out regularly
+ $recentPageCreation = true;
+ $rc = RecentChange::newFromConds(
+ [
+ 'rc_new' => 1,
+ 'rc_timestamp' => $oldestRevisionTimestamp,
+ 'rc_namespace' => $title->getNamespace(),
+ 'rc_cur_id' => $title->getArticleID()
+ ],
+ __METHOD__
+ );
+ if ( $rc ) {
+ // Use generic patrol message for new pages
+ $markPatrolledMsg = wfMessage( 'markaspatrolledtext' );
+ }
+ }
+
+ // File patrol: Get the timestamp of the latest upload for this page,
+ // check whether it is within the RC lifespan and if it is, we try
+ // to get the recentchanges row belonging to that entry
+ // (with rc_type = RC_LOG, rc_log_type = upload).
+ $recentFileUpload = false;
+ if ( ( !$rc || $rc->getAttribute( 'rc_patrolled' ) ) && $wgUseFilePatrol
+ && $title->getNamespace() === NS_FILE ) {
+ // Retrieve timestamp of most recent upload
+ $newestUploadTimestamp = $dbr->selectField(
+ 'image',
+ 'MAX( img_timestamp )',
+ [ 'img_name' => $title->getDBkey() ],
+ __METHOD__
+ );
+ if ( $newestUploadTimestamp
+ && RecentChange::isInRCLifespan( $newestUploadTimestamp, 21600 )
+ ) {
+ // 6h tolerance because the RC might not be cleaned out regularly
+ $recentFileUpload = true;
+ $rc = RecentChange::newFromConds(
+ [
+ 'rc_type' => RC_LOG,
+ 'rc_log_type' => 'upload',
+ 'rc_timestamp' => $newestUploadTimestamp,
+ 'rc_namespace' => NS_FILE,
+ 'rc_cur_id' => $title->getArticleID()
+ ],
+ __METHOD__
+ );
+ if ( $rc ) {
+ // Use patrol message specific to files
+ $markPatrolledMsg = wfMessage( 'markaspatrolledtext-file' );
+ }
+ }
+ }
+
+ if ( !$recentPageCreation && !$recentFileUpload ) {
+ // Page creation and latest upload (for files) is too old to be in RC
+
+ // We definitely can't patrol so cache the information
+ // When a new file version is uploaded, the cache is cleared
+ $cache->set( $key, '1' );
+
+ return false;
+ }
+
+ if ( !$rc ) {
+ // Don't cache: This can be hit if the page gets accessed very fast after
+ // its creation / latest upload or in case we have high replica DB lag. In case
+ // the revision is too old, we will already return above.
+ return false;
+ }
+
+ if ( $rc->getAttribute( 'rc_patrolled' ) ) {
+ // Patrolled RC entry around
+
+ // Cache the information we gathered above in case we can't patrol
+ // Don't cache in case we can patrol as this could change
+ $cache->set( $key, '1' );
+
+ return false;
+ }
+
+ if ( $rc->getPerformer()->equals( $user ) ) {
+ // Don't show a patrol link for own creations/uploads. If the user could
+ // patrol them, they already would be patrolled
+ return false;
+ }
+
+ $outputPage->preventClickjacking();
+ if ( $wgEnableAPI && $wgEnableWriteAPI && $user->isAllowed( 'writeapi' ) ) {
+ $outputPage->addModules( 'mediawiki.page.patrol.ajax' );
+ }
+
+ $link = Linker::linkKnown(
+ $title,
+ $markPatrolledMsg->escaped(),
+ [],
+ [
+ 'action' => 'markpatrolled',
+ 'rcid' => $rc->getAttribute( 'rc_id' ),
+ ]
+ );
+
+ $outputPage->addHTML(
+ "<div class='patrollink' data-mw='interface'>" .
+ wfMessage( 'markaspatrolledlink' )->rawParams( $link )->escaped() .
+ '</div>'
+ );
+
+ return true;
+ }
+
+ /**
+ * 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.
+ * @param int $articleID ID of the article to purge
+ * @since 1.27
+ */
+ public static function purgePatrolFooterCache( $articleID ) {
+ $cache = MediaWikiServices::getInstance()->getMainWANObjectCache();
+ $cache->delete( $cache->makeKey( 'unpatrollable-page', $articleID ) );
+ }
+
+ /**
+ * Show the error text for a missing article. For articles in the MediaWiki
+ * namespace, show the default message text. To be called from Article::view().
+ */
+ public function showMissingArticle() {
+ global $wgSend404Code;
+
+ $outputPage = $this->getContext()->getOutput();
+ // Whether the page is a root user page of an existing user (but not a subpage)
+ $validUserPage = false;
+
+ $title = $this->getTitle();
+
+ # Show info in user (talk) namespace. Does the user exist? Is he blocked?
+ if ( $title->getNamespace() == NS_USER
+ || $title->getNamespace() == NS_USER_TALK
+ ) {
+ $rootPart = explode( '/', $title->getText() )[0];
+ $user = User::newFromName( $rootPart, false /* allow IP users */ );
+ $ip = User::isIP( $rootPart );
+ $block = Block::newFromTarget( $user, $user );
+
+ if ( !( $user && $user->isLoggedIn() ) && !$ip ) { # User does not exist
+ $outputPage->wrapWikiMsg( "<div class=\"mw-userpage-userdoesnotexist error\">\n\$1\n</div>",
+ [ 'userpage-userdoesnotexist-view', wfEscapeWikiText( $rootPart ) ] );
+ } elseif ( !is_null( $block ) && $block->getType() != Block::TYPE_AUTO ) {
+ # Show log extract if the user is currently blocked
+ LogEventsList::showLogExtract(
+ $outputPage,
+ 'block',
+ MWNamespace::getCanonicalName( NS_USER ) . ':' . $block->getTarget(),
+ '',
+ [
+ 'lim' => 1,
+ 'showIfEmpty' => false,
+ 'msgKey' => [
+ 'blocked-notice-logextract',
+ $user->getName() # Support GENDER in notice
+ ]
+ ]
+ );
+ $validUserPage = !$title->isSubpage();
+ } else {
+ $validUserPage = !$title->isSubpage();
+ }
+ }
+
+ Hooks::run( 'ShowMissingArticle', [ $this ] );
+
+ # Show delete and move logs if there were any such events.
+ # The logging query can DOS the site when bots/crawlers cause 404 floods,
+ # so be careful showing this. 404 pages must be cheap as they are hard to cache.
+ $cache = MediaWikiServices::getInstance()->getMainObjectStash();
+ $key = $cache->makeKey( 'page-recent-delete', md5( $title->getPrefixedText() ) );
+ $loggedIn = $this->getContext()->getUser()->isLoggedIn();
+ if ( $loggedIn || $cache->get( $key ) ) {
+ $logTypes = [ 'delete', 'move', 'protect' ];
+
+ $dbr = wfGetDB( DB_REPLICA );
+
+ $conds = [ 'log_action != ' . $dbr->addQuotes( 'revision' ) ];
+ // Give extensions a chance to hide their (unrelated) log entries
+ Hooks::run( 'Article::MissingArticleConditions', [ &$conds, $logTypes ] );
+ LogEventsList::showLogExtract(
+ $outputPage,
+ $logTypes,
+ $title,
+ '',
+ [
+ 'lim' => 10,
+ 'conds' => $conds,
+ 'showIfEmpty' => false,
+ 'msgKey' => [ $loggedIn
+ ? 'moveddeleted-notice'
+ : 'moveddeleted-notice-recent'
+ ]
+ ]
+ );
+ }
+
+ if ( !$this->mPage->hasViewableContent() && $wgSend404Code && !$validUserPage ) {
+ // If there's no backing content, send a 404 Not Found
+ // for better machine handling of broken links.
+ $this->getContext()->getRequest()->response()->statusHeader( 404 );
+ }
+
+ // Also apply the robot policy for nonexisting pages (even if a 404 was used for sanity)
+ $policy = $this->getRobotPolicy( 'view' );
+ $outputPage->setIndexPolicy( $policy['index'] );
+ $outputPage->setFollowPolicy( $policy['follow'] );
+
+ $hookResult = Hooks::run( 'BeforeDisplayNoArticleText', [ $this ] );
+
+ if ( !$hookResult ) {
+ return;
+ }
+
+ # Show error message
+ $oldid = $this->getOldID();
+ if ( !$oldid && $title->getNamespace() === NS_MEDIAWIKI && $title->hasSourceText() ) {
+ $outputPage->addParserOutput( $this->getContentObject()->getParserOutput( $title ) );
+ } else {
+ if ( $oldid ) {
+ $text = wfMessage( 'missing-revision', $oldid )->plain();
+ } elseif ( $title->quickUserCan( 'create', $this->getContext()->getUser() )
+ && $title->quickUserCan( 'edit', $this->getContext()->getUser() )
+ ) {
+ $message = $this->getContext()->getUser()->isLoggedIn() ? 'noarticletext' : 'noarticletextanon';
+ $text = wfMessage( $message )->plain();
+ } else {
+ $text = wfMessage( 'noarticletext-nopermission' )->plain();
+ }
+
+ $dir = $this->getContext()->getLanguage()->getDir();
+ $lang = $this->getContext()->getLanguage()->getCode();
+ $outputPage->addWikiText( Xml::openElement( 'div', [
+ 'class' => "noarticletext mw-content-$dir",
+ 'dir' => $dir,
+ 'lang' => $lang,
+ ] ) . "\n$text\n</div>" );
+ }
+ }
+
+ /**
+ * If the revision requested for view is deleted, check permissions.
+ * Send either an error message or a warning header to the output.
+ *
+ * @return bool True if the view is allowed, false if not.
+ */
+ public function showDeletedRevisionHeader() {
+ if ( !$this->mRevision->isDeleted( Revision::DELETED_TEXT ) ) {
+ // Not deleted
+ return true;
+ }
+
+ $outputPage = $this->getContext()->getOutput();
+ $user = $this->getContext()->getUser();
+ // If the user is not allowed to see it...
+ if ( !$this->mRevision->userCan( Revision::DELETED_TEXT, $user ) ) {
+ $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
+ 'rev-deleted-text-permission' );
+
+ return false;
+ // If the user needs to confirm that they want to see it...
+ } elseif ( $this->getContext()->getRequest()->getInt( 'unhide' ) != 1 ) {
+ # Give explanation and add a link to view the revision...
+ $oldid = intval( $this->getOldID() );
+ $link = $this->getTitle()->getFullURL( "oldid={$oldid}&unhide=1" );
+ $msg = $this->mRevision->isDeleted( Revision::DELETED_RESTRICTED ) ?
+ 'rev-suppressed-text-unhide' : 'rev-deleted-text-unhide';
+ $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
+ [ $msg, $link ] );
+
+ return false;
+ // We are allowed to see...
+ } else {
+ $msg = $this->mRevision->isDeleted( Revision::DELETED_RESTRICTED ) ?
+ 'rev-suppressed-text-view' : 'rev-deleted-text-view';
+ $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n", $msg );
+
+ return true;
+ }
+ }
+
+ /**
+ * Generate the navigation links when browsing through an article revisions
+ * It shows the information as:
+ * Revision as of \<date\>; view current revision
+ * \<- Previous version | Next Version -\>
+ *
+ * @param int $oldid Revision ID of this article revision
+ */
+ public function setOldSubtitle( $oldid = 0 ) {
+ // Avoid PHP 7.1 warning of passing $this by reference
+ $articlePage = $this;
+
+ if ( !Hooks::run( 'DisplayOldSubtitle', [ &$articlePage, &$oldid ] ) ) {
+ return;
+ }
+
+ $context = $this->getContext();
+ $unhide = $context->getRequest()->getInt( 'unhide' ) == 1;
+
+ # Cascade unhide param in links for easy deletion browsing
+ $extraParams = [];
+ if ( $unhide ) {
+ $extraParams['unhide'] = 1;
+ }
+
+ if ( $this->mRevision && $this->mRevision->getId() === $oldid ) {
+ $revision = $this->mRevision;
+ } else {
+ $revision = Revision::newFromId( $oldid );
+ }
+
+ $timestamp = $revision->getTimestamp();
+
+ $current = ( $oldid == $this->mPage->getLatest() );
+ $language = $context->getLanguage();
+ $user = $context->getUser();
+
+ $td = $language->userTimeAndDate( $timestamp, $user );
+ $tddate = $language->userDate( $timestamp, $user );
+ $tdtime = $language->userTime( $timestamp, $user );
+
+ # Show user links if allowed to see them. If hidden, then show them only if requested...
+ $userlinks = Linker::revUserTools( $revision, !$unhide );
+
+ $infomsg = $current && !$context->msg( 'revision-info-current' )->isDisabled()
+ ? 'revision-info-current'
+ : 'revision-info';
+
+ $outputPage = $context->getOutput();
+ $revisionInfo = "<div id=\"mw-{$infomsg}\">" .
+ $context->msg( $infomsg, $td )
+ ->rawParams( $userlinks )
+ ->params( $revision->getId(), $tddate, $tdtime, $revision->getUserText() )
+ ->rawParams( Linker::revComment( $revision, true, true ) )
+ ->parse() .
+ "</div>";
+
+ $lnk = $current
+ ? $context->msg( 'currentrevisionlink' )->escaped()
+ : Linker::linkKnown(
+ $this->getTitle(),
+ $context->msg( 'currentrevisionlink' )->escaped(),
+ [],
+ $extraParams
+ );
+ $curdiff = $current
+ ? $context->msg( 'diff' )->escaped()
+ : Linker::linkKnown(
+ $this->getTitle(),
+ $context->msg( 'diff' )->escaped(),
+ [],
+ [
+ 'diff' => 'cur',
+ 'oldid' => $oldid
+ ] + $extraParams
+ );
+ $prev = $this->getTitle()->getPreviousRevisionID( $oldid );
+ $prevlink = $prev
+ ? Linker::linkKnown(
+ $this->getTitle(),
+ $context->msg( 'previousrevision' )->escaped(),
+ [],
+ [
+ 'direction' => 'prev',
+ 'oldid' => $oldid
+ ] + $extraParams
+ )
+ : $context->msg( 'previousrevision' )->escaped();
+ $prevdiff = $prev
+ ? Linker::linkKnown(
+ $this->getTitle(),
+ $context->msg( 'diff' )->escaped(),
+ [],
+ [
+ 'diff' => 'prev',
+ 'oldid' => $oldid
+ ] + $extraParams
+ )
+ : $context->msg( 'diff' )->escaped();
+ $nextlink = $current
+ ? $context->msg( 'nextrevision' )->escaped()
+ : Linker::linkKnown(
+ $this->getTitle(),
+ $context->msg( 'nextrevision' )->escaped(),
+ [],
+ [
+ 'direction' => 'next',
+ 'oldid' => $oldid
+ ] + $extraParams
+ );
+ $nextdiff = $current
+ ? $context->msg( 'diff' )->escaped()
+ : Linker::linkKnown(
+ $this->getTitle(),
+ $context->msg( 'diff' )->escaped(),
+ [],
+ [
+ 'diff' => 'next',
+ 'oldid' => $oldid
+ ] + $extraParams
+ );
+
+ $cdel = Linker::getRevDeleteLink( $user, $revision, $this->getTitle() );
+ if ( $cdel !== '' ) {
+ $cdel .= ' ';
+ }
+
+ // the outer div is need for styling the revision info and nav in MobileFrontend
+ $outputPage->addSubtitle( "<div class=\"mw-revision\">" . $revisionInfo .
+ "<div id=\"mw-revision-nav\">" . $cdel .
+ $context->msg( 'revision-nav' )->rawParams(
+ $prevdiff, $prevlink, $lnk, $curdiff, $nextlink, $nextdiff
+ )->escaped() . "</div></div>" );
+ }
+
+ /**
+ * Return the HTML for the top of a redirect page
+ *
+ * Chances are you should just be using the ParserOutput from
+ * WikitextContent::getParserOutput instead of calling this for redirects.
+ *
+ * @param Title|array $target Destination(s) to redirect
+ * @param bool $appendSubtitle [optional]
+ * @param bool $forceKnown Should the image be shown as a bluelink regardless of existence?
+ * @return string Containing HTML with redirect link
+ *
+ * @deprecated since 1.30
+ */
+ public function viewRedirect( $target, $appendSubtitle = true, $forceKnown = false ) {
+ $lang = $this->getTitle()->getPageLanguage();
+ $out = $this->getContext()->getOutput();
+ if ( $appendSubtitle ) {
+ $out->addSubtitle( wfMessage( 'redirectpagesub' ) );
+ }
+ $out->addModuleStyles( 'mediawiki.action.view.redirectPage' );
+ return static::getRedirectHeaderHtml( $lang, $target, $forceKnown );
+ }
+
+ /**
+ * Return the HTML for the top of a redirect page
+ *
+ * Chances are you should just be using the ParserOutput from
+ * WikitextContent::getParserOutput instead of calling this for redirects.
+ *
+ * @since 1.23
+ * @param Language $lang
+ * @param Title|array $target Destination(s) to redirect
+ * @param bool $forceKnown Should the image be shown as a bluelink regardless of existence?
+ * @return string Containing HTML with redirect link
+ */
+ public static function getRedirectHeaderHtml( Language $lang, $target, $forceKnown = false ) {
+ if ( !is_array( $target ) ) {
+ $target = [ $target ];
+ }
+
+ $html = '<ul class="redirectText">';
+ /** @var Title $title */
+ foreach ( $target as $title ) {
+ $html .= '<li>' . Linker::link(
+ $title,
+ htmlspecialchars( $title->getFullText() ),
+ [],
+ // Make sure wiki page redirects are not followed
+ $title->isRedirect() ? [ 'redirect' => 'no' ] : [],
+ ( $forceKnown ? [ 'known', 'noclasses' ] : [] )
+ ) . '</li>';
+ }
+ $html .= '</ul>';
+
+ $redirectToText = wfMessage( 'redirectto' )->inLanguage( $lang )->escaped();
+
+ return '<div class="redirectMsg">' .
+ '<p>' . $redirectToText . '</p>' .
+ $html .
+ '</div>';
+ }
+
+ /**
+ * Adds help link with an icon via page indicators.
+ * Link target can be overridden by a local message containing a wikilink:
+ * the message key is: 'namespace-' + namespace number + '-helppage'.
+ * @param string $to Target MediaWiki.org page title or encoded URL.
+ * @param bool $overrideBaseUrl Whether $url is a full URL, to avoid MW.o.
+ * @since 1.25
+ */
+ public function addHelpLink( $to, $overrideBaseUrl = false ) {
+ $msg = wfMessage(
+ 'namespace-' . $this->getTitle()->getNamespace() . '-helppage'
+ );
+
+ $out = $this->getContext()->getOutput();
+ if ( !$msg->isDisabled() ) {
+ $helpUrl = Skin::makeUrl( $msg->plain() );
+ $out->addHelpLink( $helpUrl, true );
+ } else {
+ $out->addHelpLink( $to, $overrideBaseUrl );
+ }
+ }
+
+ /**
+ * Handle action=render
+ */
+ public function render() {
+ $this->getContext()->getRequest()->response()->header( 'X-Robots-Tag: noindex' );
+ $this->getContext()->getOutput()->setArticleBodyOnly( true );
+ $this->getContext()->getOutput()->enableSectionEditLinks( false );
+ $this->view();
+ }
+
+ /**
+ * action=protect handler
+ */
+ public function protect() {
+ $form = new ProtectionForm( $this );
+ $form->execute();
+ }
+
+ /**
+ * action=unprotect handler (alias)
+ */
+ public function unprotect() {
+ $this->protect();
+ }
+
+ /**
+ * UI entry point for page deletion
+ */
+ public function delete() {
+ # This code desperately needs to be totally rewritten
+
+ $title = $this->getTitle();
+ $context = $this->getContext();
+ $user = $context->getUser();
+ $request = $context->getRequest();
+
+ # Check permissions
+ $permissionErrors = $title->getUserPermissionsErrors( 'delete', $user );
+ if ( count( $permissionErrors ) ) {
+ throw new PermissionsError( 'delete', $permissionErrors );
+ }
+
+ # Read-only check...
+ if ( wfReadOnly() ) {
+ throw new ReadOnlyError;
+ }
+
+ # Better double-check that it hasn't been deleted yet!
+ $this->mPage->loadPageData(
+ $request->wasPosted() ? WikiPage::READ_LATEST : WikiPage::READ_NORMAL
+ );
+ if ( !$this->mPage->exists() ) {
+ $deleteLogPage = new LogPage( 'delete' );
+ $outputPage = $context->getOutput();
+ $outputPage->setPageTitle( $context->msg( 'cannotdelete-title', $title->getPrefixedText() ) );
+ $outputPage->wrapWikiMsg( "<div class=\"error mw-error-cannotdelete\">\n$1\n</div>",
+ [ 'cannotdelete', wfEscapeWikiText( $title->getPrefixedText() ) ]
+ );
+ $outputPage->addHTML(
+ Xml::element( 'h2', null, $deleteLogPage->getName()->text() )
+ );
+ LogEventsList::showLogExtract(
+ $outputPage,
+ 'delete',
+ $title
+ );
+
+ return;
+ }
+
+ $deleteReasonList = $request->getText( 'wpDeleteReasonList', 'other' );
+ $deleteReason = $request->getText( 'wpReason' );
+
+ if ( $deleteReasonList == 'other' ) {
+ $reason = $deleteReason;
+ } elseif ( $deleteReason != '' ) {
+ // Entry from drop down menu + additional comment
+ $colonseparator = wfMessage( 'colon-separator' )->inContentLanguage()->text();
+ $reason = $deleteReasonList . $colonseparator . $deleteReason;
+ } else {
+ $reason = $deleteReasonList;
+ }
+
+ if ( $request->wasPosted() && $user->matchEditToken( $request->getVal( 'wpEditToken' ),
+ [ 'delete', $this->getTitle()->getPrefixedText() ] )
+ ) {
+ # Flag to hide all contents of the archived revisions
+ $suppress = $request->getCheck( 'wpSuppress' ) && $user->isAllowed( 'suppressrevision' );
+
+ $this->doDelete( $reason, $suppress );
+
+ WatchAction::doWatchOrUnwatch( $request->getCheck( 'wpWatch' ), $title, $user );
+
+ return;
+ }
+
+ // Generate deletion reason
+ $hasHistory = false;
+ if ( !$reason ) {
+ try {
+ $reason = $this->generateReason( $hasHistory );
+ } catch ( Exception $e ) {
+ # if a page is horribly broken, we still want to be able to
+ # delete it. So be lenient about errors here.
+ wfDebug( "Error while building auto delete summary: $e" );
+ $reason = '';
+ }
+ }
+
+ // If the page has a history, insert a warning
+ if ( $hasHistory ) {
+ $title = $this->getTitle();
+
+ // The following can use the real revision count as this is only being shown for users
+ // that can delete this page.
+ // This, as a side-effect, also makes sure that the following query isn't being run for
+ // pages with a larger history, unless the user has the 'bigdelete' right
+ // (and is about to delete this page).
+ $dbr = wfGetDB( DB_REPLICA );
+ $revisions = $edits = (int)$dbr->selectField(
+ 'revision',
+ 'COUNT(rev_page)',
+ [ 'rev_page' => $title->getArticleID() ],
+ __METHOD__
+ );
+
+ // @todo FIXME: i18n issue/patchwork message
+ $context->getOutput()->addHTML(
+ '<strong class="mw-delete-warning-revisions">' .
+ $context->msg( 'historywarning' )->numParams( $revisions )->parse() .
+ $context->msg( 'word-separator' )->escaped() . Linker::linkKnown( $title,
+ $context->msg( 'history' )->escaped(),
+ [],
+ [ 'action' => 'history' ] ) .
+ '</strong>'
+ );
+
+ if ( $title->isBigDeletion() ) {
+ global $wgDeleteRevisionsLimit;
+ $context->getOutput()->wrapWikiMsg( "<div class='error'>\n$1\n</div>\n",
+ [
+ 'delete-warning-toobig',
+ $context->getLanguage()->formatNum( $wgDeleteRevisionsLimit )
+ ]
+ );
+ }
+ }
+
+ $this->confirmDelete( $reason );
+ }
+
+ /**
+ * Output deletion confirmation dialog
+ * @todo FIXME: Move to another file?
+ * @param string $reason Prefilled reason
+ */
+ public function confirmDelete( $reason ) {
+ wfDebug( "Article::confirmDelete\n" );
+
+ $title = $this->getTitle();
+ $ctx = $this->getContext();
+ $outputPage = $ctx->getOutput();
+ $outputPage->setPageTitle( wfMessage( 'delete-confirm', $title->getPrefixedText() ) );
+ $outputPage->addBacklinkSubtitle( $title );
+ $outputPage->setRobotPolicy( 'noindex,nofollow' );
+
+ $backlinkCache = $title->getBacklinkCache();
+ if ( $backlinkCache->hasLinks( 'pagelinks' ) || $backlinkCache->hasLinks( 'templatelinks' ) ) {
+ $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
+ 'deleting-backlinks-warning' );
+ }
+
+ $subpageQueryLimit = 51;
+ $subpages = $title->getSubpages( $subpageQueryLimit );
+ $subpageCount = count( $subpages );
+ if ( $subpageCount > 0 ) {
+ $outputPage->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n",
+ [ 'deleting-subpages-warning', Message::numParam( $subpageCount ) ] );
+ }
+ $outputPage->addWikiMsg( 'confirmdeletetext' );
+
+ Hooks::run( 'ArticleConfirmDelete', [ $this, $outputPage, &$reason ] );
+
+ $user = $this->getContext()->getUser();
+ $checkWatch = $user->getBoolOption( 'watchdeletion' ) || $user->isWatched( $title );
+
+ $outputPage->enableOOUI();
+
+ $options = Xml::listDropDownOptions(
+ $ctx->msg( 'deletereason-dropdown' )->inContentLanguage()->text(),
+ [ 'other' => $ctx->msg( 'deletereasonotherlist' )->inContentLanguage()->text() ]
+ );
+ $options = Xml::listDropDownOptionsOoui( $options );
+
+ $fields[] = new OOUI\FieldLayout(
+ new OOUI\DropdownInputWidget( [
+ 'name' => 'wpDeleteReasonList',
+ 'inputId' => 'wpDeleteReasonList',
+ 'tabIndex' => 1,
+ 'infusable' => true,
+ 'value' => '',
+ 'options' => $options
+ ] ),
+ [
+ 'label' => $ctx->msg( 'deletecomment' )->text(),
+ 'align' => 'top',
+ ]
+ );
+
+ $fields[] = new OOUI\FieldLayout(
+ new OOUI\TextInputWidget( [
+ 'name' => 'wpReason',
+ 'inputId' => 'wpReason',
+ 'tabIndex' => 2,
+ 'maxLength' => 255,
+ 'infusable' => true,
+ 'value' => $reason,
+ 'autofocus' => true,
+ ] ),
+ [
+ 'label' => $ctx->msg( 'deleteotherreason' )->text(),
+ 'align' => 'top',
+ ]
+ );
+
+ if ( $user->isLoggedIn() ) {
+ $fields[] = new OOUI\FieldLayout(
+ new OOUI\CheckboxInputWidget( [
+ 'name' => 'wpWatch',
+ 'inputId' => 'wpWatch',
+ 'tabIndex' => 3,
+ 'selected' => $checkWatch,
+ ] ),
+ [
+ 'label' => $ctx->msg( 'watchthis' )->text(),
+ 'align' => 'inline',
+ 'infusable' => true,
+ ]
+ );
+ }
+
+ if ( $user->isAllowed( 'suppressrevision' ) ) {
+ $fields[] = new OOUI\FieldLayout(
+ new OOUI\CheckboxInputWidget( [
+ 'name' => 'wpSuppress',
+ 'inputId' => 'wpSuppress',
+ 'tabIndex' => 4,
+ ] ),
+ [
+ 'label' => $ctx->msg( 'revdelete-suppress' )->text(),
+ 'align' => 'inline',
+ 'infusable' => true,
+ ]
+ );
+ }
+
+ $fields[] = new OOUI\FieldLayout(
+ new OOUI\ButtonInputWidget( [
+ 'name' => 'wpConfirmB',
+ 'inputId' => 'wpConfirmB',
+ 'tabIndex' => 5,
+ 'value' => $ctx->msg( 'deletepage' )->text(),
+ 'label' => $ctx->msg( 'deletepage' )->text(),
+ 'flags' => [ 'primary', 'destructive' ],
+ 'type' => 'submit',
+ ] ),
+ [
+ 'align' => 'top',
+ ]
+ );
+
+ $fieldset = new OOUI\FieldsetLayout( [
+ 'label' => $ctx->msg( 'delete-legend' )->text(),
+ 'id' => 'mw-delete-table',
+ 'items' => $fields,
+ ] );
+
+ $form = new OOUI\FormLayout( [
+ 'method' => 'post',
+ 'action' => $title->getLocalURL( 'action=delete' ),
+ 'id' => 'deleteconfirm',
+ ] );
+ $form->appendContent(
+ $fieldset,
+ new OOUI\HtmlSnippet(
+ Html::hidden( 'wpEditToken', $user->getEditToken( [ 'delete', $title->getPrefixedText() ] ) )
+ )
+ );
+
+ $outputPage->addHTML(
+ new OOUI\PanelLayout( [
+ 'classes' => [ 'deletepage-wrapper' ],
+ 'expanded' => false,
+ 'padded' => true,
+ 'framed' => true,
+ 'content' => $form,
+ ] )
+ );
+
+ if ( $user->isAllowed( 'editinterface' ) ) {
+ $link = Linker::linkKnown(
+ $ctx->msg( 'deletereason-dropdown' )->inContentLanguage()->getTitle(),
+ wfMessage( 'delete-edit-reasonlist' )->escaped(),
+ [],
+ [ 'action' => 'edit' ]
+ );
+ $outputPage->addHTML( '<p class="mw-delete-editreasons">' . $link . '</p>' );
+ }
+
+ $deleteLogPage = new LogPage( 'delete' );
+ $outputPage->addHTML( Xml::element( 'h2', null, $deleteLogPage->getName()->text() ) );
+ LogEventsList::showLogExtract( $outputPage, 'delete', $title );
+ }
+
+ /**
+ * Perform a deletion and output success or failure messages
+ * @param string $reason
+ * @param bool $suppress
+ */
+ public function doDelete( $reason, $suppress = false ) {
+ $error = '';
+ $context = $this->getContext();
+ $outputPage = $context->getOutput();
+ $user = $context->getUser();
+ $status = $this->mPage->doDeleteArticleReal( $reason, $suppress, 0, true, $error, $user );
+
+ if ( $status->isGood() ) {
+ $deleted = $this->getTitle()->getPrefixedText();
+
+ $outputPage->setPageTitle( wfMessage( 'actioncomplete' ) );
+ $outputPage->setRobotPolicy( 'noindex,nofollow' );
+
+ $loglink = '[[Special:Log/delete|' . wfMessage( 'deletionlog' )->text() . ']]';
+
+ $outputPage->addWikiMsg( 'deletedtext', wfEscapeWikiText( $deleted ), $loglink );
+
+ Hooks::run( 'ArticleDeleteAfterSuccess', [ $this->getTitle(), $outputPage ] );
+
+ $outputPage->returnToMain( false );
+ } else {
+ $outputPage->setPageTitle(
+ wfMessage( 'cannotdelete-title',
+ $this->getTitle()->getPrefixedText() )
+ );
+
+ if ( $error == '' ) {
+ $outputPage->addWikiText(
+ "<div class=\"error mw-error-cannotdelete\">\n" . $status->getWikiText() . "\n</div>"
+ );
+ $deleteLogPage = new LogPage( 'delete' );
+ $outputPage->addHTML( Xml::element( 'h2', null, $deleteLogPage->getName()->text() ) );
+
+ LogEventsList::showLogExtract(
+ $outputPage,
+ 'delete',
+ $this->getTitle()
+ );
+ } else {
+ $outputPage->addHTML( $error );
+ }
+ }
+ }
+
+ /* Caching functions */
+
+ /**
+ * checkLastModified returns true if it has taken care of all
+ * output to the client that is necessary for this request.
+ * (that is, it has sent a cached version of the page)
+ *
+ * @return bool True if cached version send, false otherwise
+ */
+ protected function tryFileCache() {
+ static $called = false;
+
+ if ( $called ) {
+ wfDebug( "Article::tryFileCache(): called twice!?\n" );
+ return false;
+ }
+
+ $called = true;
+ if ( $this->isFileCacheable() ) {
+ $cache = new HTMLFileCache( $this->getTitle(), 'view' );
+ if ( $cache->isCacheGood( $this->mPage->getTouched() ) ) {
+ wfDebug( "Article::tryFileCache(): about to load file\n" );
+ $cache->loadFromFileCache( $this->getContext() );
+ return true;
+ } else {
+ wfDebug( "Article::tryFileCache(): starting buffer\n" );
+ ob_start( [ &$cache, 'saveToFileCache' ] );
+ }
+ } else {
+ wfDebug( "Article::tryFileCache(): not cacheable\n" );
+ }
+
+ return false;
+ }
+
+ /**
+ * Check if the page can be cached
+ * @param int $mode One of the HTMLFileCache::MODE_* constants (since 1.28)
+ * @return bool
+ */
+ public function isFileCacheable( $mode = HTMLFileCache::MODE_NORMAL ) {
+ $cacheable = false;
+
+ if ( HTMLFileCache::useFileCache( $this->getContext(), $mode ) ) {
+ $cacheable = $this->mPage->getId()
+ && !$this->mRedirectedFrom && !$this->getTitle()->isRedirect();
+ // Extension may have reason to disable file caching on some pages.
+ if ( $cacheable ) {
+ // Avoid PHP 7.1 warning of passing $this by reference
+ $articlePage = $this;
+ $cacheable = Hooks::run( 'IsFileCacheable', [ &$articlePage ] );
+ }
+ }
+
+ return $cacheable;
+ }
+
+ /**#@-*/
+
+ /**
+ * Lightweight method to get the parser output for a page, checking the parser cache
+ * and so on. Doesn't consider most of the stuff that WikiPage::view is forced to
+ * consider, so it's not appropriate to use there.
+ *
+ * @since 1.16 (r52326) for LiquidThreads
+ *
+ * @param int|null $oldid Revision ID or null
+ * @param User $user The relevant user
+ * @return ParserOutput|bool ParserOutput or false if the given revision ID is not found
+ */
+ public function getParserOutput( $oldid = null, User $user = null ) {
+ // XXX: bypasses mParserOptions and thus setParserOptions()
+
+ if ( $user === null ) {
+ $parserOptions = $this->getParserOptions();
+ } else {
+ $parserOptions = $this->mPage->makeParserOptions( $user );
+ }
+
+ return $this->mPage->getParserOutput( $parserOptions, $oldid );
+ }
+
+ /**
+ * Override the ParserOptions used to render the primary article wikitext.
+ *
+ * @param ParserOptions $options
+ * @throws MWException If the parser options where already initialized.
+ */
+ public function setParserOptions( ParserOptions $options ) {
+ if ( $this->mParserOptions ) {
+ throw new MWException( "can't change parser options after they have already been set" );
+ }
+
+ // clone, so if $options is modified later, it doesn't confuse the parser cache.
+ $this->mParserOptions = clone $options;
+ }
+
+ /**
+ * Get parser options suitable for rendering the primary article wikitext
+ * @return ParserOptions
+ */
+ public function getParserOptions() {
+ if ( !$this->mParserOptions ) {
+ $this->mParserOptions = $this->mPage->makeParserOptions( $this->getContext() );
+ }
+ // Clone to allow modifications of the return value without affecting cache
+ return clone $this->mParserOptions;
+ }
+
+ /**
+ * Sets the context this Article is executed in
+ *
+ * @param IContextSource $context
+ * @since 1.18
+ */
+ public function setContext( $context ) {
+ $this->mContext = $context;
+ }
+
+ /**
+ * Gets the context this Article is executed in
+ *
+ * @return IContextSource
+ * @since 1.18
+ */
+ public function getContext() {
+ if ( $this->mContext instanceof IContextSource ) {
+ return $this->mContext;
+ } else {
+ wfDebug( __METHOD__ . " called and \$mContext is null. " .
+ "Return RequestContext::getMain(); for sanity\n" );
+ return RequestContext::getMain();
+ }
+ }
+
+ /**
+ * Use PHP's magic __get handler to handle accessing of
+ * raw WikiPage fields for backwards compatibility.
+ *
+ * @param string $fname Field name
+ * @return mixed
+ */
+ public function __get( $fname ) {
+ if ( property_exists( $this->mPage, $fname ) ) {
+ # wfWarn( "Access to raw $fname field " . __CLASS__ );
+ return $this->mPage->$fname;
+ }
+ trigger_error( 'Inaccessible property via __get(): ' . $fname, E_USER_NOTICE );
+ }
+
+ /**
+ * Use PHP's magic __set handler to handle setting of
+ * raw WikiPage fields for backwards compatibility.
+ *
+ * @param string $fname Field name
+ * @param mixed $fvalue New value
+ */
+ public function __set( $fname, $fvalue ) {
+ if ( property_exists( $this->mPage, $fname ) ) {
+ # wfWarn( "Access to raw $fname field of " . __CLASS__ );
+ $this->mPage->$fname = $fvalue;
+ // Note: extensions may want to toss on new fields
+ } elseif ( !in_array( $fname, [ 'mContext', 'mPage' ] ) ) {
+ $this->mPage->$fname = $fvalue;
+ } else {
+ trigger_error( 'Inaccessible property via __set(): ' . $fname, E_USER_NOTICE );
+ }
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::checkFlags
+ */
+ public function checkFlags( $flags ) {
+ return $this->mPage->checkFlags( $flags );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::checkTouched
+ */
+ public function checkTouched() {
+ return $this->mPage->checkTouched();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::clearPreparedEdit
+ */
+ public function clearPreparedEdit() {
+ $this->mPage->clearPreparedEdit();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::doDeleteArticleReal
+ */
+ public function doDeleteArticleReal(
+ $reason, $suppress = false, $u1 = null, $u2 = null, &$error = '', User $user = null,
+ $tags = []
+ ) {
+ return $this->mPage->doDeleteArticleReal(
+ $reason, $suppress, $u1, $u2, $error, $user, $tags
+ );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::doDeleteUpdates
+ */
+ public function doDeleteUpdates( $id, Content $content = null ) {
+ return $this->mPage->doDeleteUpdates( $id, $content );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @deprecated since 1.29. Use WikiPage::doEditContent() directly instead
+ * @see WikiPage::doEditContent
+ */
+ public function doEditContent( Content $content, $summary, $flags = 0, $baseRevId = false,
+ User $user = null, $serialFormat = null
+ ) {
+ wfDeprecated( __METHOD__, '1.29' );
+ return $this->mPage->doEditContent( $content, $summary, $flags, $baseRevId,
+ $user, $serialFormat
+ );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::doEditUpdates
+ */
+ public function doEditUpdates( Revision $revision, User $user, array $options = [] ) {
+ return $this->mPage->doEditUpdates( $revision, $user, $options );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::doPurge
+ * @note In 1.28 (and only 1.28), this took a $flags parameter that
+ * controlled how much purging was done.
+ */
+ public function doPurge() {
+ return $this->mPage->doPurge();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getLastPurgeTimestamp
+ * @deprecated since 1.29
+ */
+ public function getLastPurgeTimestamp() {
+ wfDeprecated( __METHOD__, '1.29' );
+ return $this->mPage->getLastPurgeTimestamp();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::doViewUpdates
+ */
+ public function doViewUpdates( User $user, $oldid = 0 ) {
+ $this->mPage->doViewUpdates( $user, $oldid );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::exists
+ */
+ public function exists() {
+ return $this->mPage->exists();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::followRedirect
+ */
+ public function followRedirect() {
+ return $this->mPage->followRedirect();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see ContentHandler::getActionOverrides
+ */
+ public function getActionOverrides() {
+ return $this->mPage->getActionOverrides();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getAutoDeleteReason
+ */
+ public function getAutoDeleteReason( &$hasHistory ) {
+ return $this->mPage->getAutoDeleteReason( $hasHistory );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getCategories
+ */
+ public function getCategories() {
+ return $this->mPage->getCategories();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getComment
+ */
+ public function getComment( $audience = Revision::FOR_PUBLIC, User $user = null ) {
+ return $this->mPage->getComment( $audience, $user );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getContentHandler
+ */
+ public function getContentHandler() {
+ return $this->mPage->getContentHandler();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getContentModel
+ */
+ public function getContentModel() {
+ return $this->mPage->getContentModel();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getContributors
+ */
+ public function getContributors() {
+ return $this->mPage->getContributors();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getCreator
+ */
+ public function getCreator( $audience = Revision::FOR_PUBLIC, User $user = null ) {
+ return $this->mPage->getCreator( $audience, $user );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getDeletionUpdates
+ */
+ public function getDeletionUpdates( Content $content = null ) {
+ return $this->mPage->getDeletionUpdates( $content );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getHiddenCategories
+ */
+ public function getHiddenCategories() {
+ return $this->mPage->getHiddenCategories();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getId
+ */
+ public function getId() {
+ return $this->mPage->getId();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getLatest
+ */
+ public function getLatest() {
+ return $this->mPage->getLatest();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getLinksTimestamp
+ */
+ public function getLinksTimestamp() {
+ return $this->mPage->getLinksTimestamp();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getMinorEdit
+ */
+ public function getMinorEdit() {
+ return $this->mPage->getMinorEdit();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getOldestRevision
+ */
+ public function getOldestRevision() {
+ return $this->mPage->getOldestRevision();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getRedirectTarget
+ */
+ public function getRedirectTarget() {
+ return $this->mPage->getRedirectTarget();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getRedirectURL
+ */
+ public function getRedirectURL( $rt ) {
+ return $this->mPage->getRedirectURL( $rt );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getRevision
+ */
+ public function getRevision() {
+ return $this->mPage->getRevision();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getTimestamp
+ */
+ public function getTimestamp() {
+ return $this->mPage->getTimestamp();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getTouched
+ */
+ public function getTouched() {
+ return $this->mPage->getTouched();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getUndoContent
+ */
+ public function getUndoContent( Revision $undo, Revision $undoafter = null ) {
+ return $this->mPage->getUndoContent( $undo, $undoafter );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getUser
+ */
+ public function getUser( $audience = Revision::FOR_PUBLIC, User $user = null ) {
+ return $this->mPage->getUser( $audience, $user );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::getUserText
+ */
+ public function getUserText( $audience = Revision::FOR_PUBLIC, User $user = null ) {
+ return $this->mPage->getUserText( $audience, $user );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::hasViewableContent
+ */
+ public function hasViewableContent() {
+ return $this->mPage->hasViewableContent();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::insertOn
+ */
+ public function insertOn( $dbw, $pageId = null ) {
+ return $this->mPage->insertOn( $dbw, $pageId );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::insertProtectNullRevision
+ */
+ public function insertProtectNullRevision( $revCommentMsg, array $limit,
+ array $expiry, $cascade, $reason, $user = null
+ ) {
+ return $this->mPage->insertProtectNullRevision( $revCommentMsg, $limit,
+ $expiry, $cascade, $reason, $user
+ );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::insertRedirect
+ */
+ public function insertRedirect() {
+ return $this->mPage->insertRedirect();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::insertRedirectEntry
+ */
+ public function insertRedirectEntry( Title $rt, $oldLatest = null ) {
+ return $this->mPage->insertRedirectEntry( $rt, $oldLatest );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::isCountable
+ */
+ public function isCountable( $editInfo = false ) {
+ return $this->mPage->isCountable( $editInfo );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::isRedirect
+ */
+ public function isRedirect() {
+ return $this->mPage->isRedirect();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::loadFromRow
+ */
+ public function loadFromRow( $data, $from ) {
+ return $this->mPage->loadFromRow( $data, $from );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::loadPageData
+ */
+ public function loadPageData( $from = 'fromdb' ) {
+ $this->mPage->loadPageData( $from );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::lockAndGetLatest
+ */
+ public function lockAndGetLatest() {
+ return $this->mPage->lockAndGetLatest();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::makeParserOptions
+ */
+ public function makeParserOptions( $context ) {
+ return $this->mPage->makeParserOptions( $context );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::pageDataFromId
+ */
+ public function pageDataFromId( $dbr, $id, $options = [] ) {
+ return $this->mPage->pageDataFromId( $dbr, $id, $options );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::pageDataFromTitle
+ */
+ public function pageDataFromTitle( $dbr, $title, $options = [] ) {
+ return $this->mPage->pageDataFromTitle( $dbr, $title, $options );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::prepareContentForEdit
+ */
+ public function prepareContentForEdit(
+ Content $content, $revision = null, User $user = null,
+ $serialFormat = null, $useCache = true
+ ) {
+ return $this->mPage->prepareContentForEdit(
+ $content, $revision, $user,
+ $serialFormat, $useCache
+ );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::protectDescription
+ */
+ public function protectDescription( array $limit, array $expiry ) {
+ return $this->mPage->protectDescription( $limit, $expiry );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::protectDescriptionLog
+ */
+ public function protectDescriptionLog( array $limit, array $expiry ) {
+ return $this->mPage->protectDescriptionLog( $limit, $expiry );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::replaceSectionAtRev
+ */
+ public function replaceSectionAtRev( $sectionId, Content $sectionContent,
+ $sectionTitle = '', $baseRevId = null
+ ) {
+ return $this->mPage->replaceSectionAtRev( $sectionId, $sectionContent,
+ $sectionTitle, $baseRevId
+ );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::replaceSectionContent
+ */
+ public function replaceSectionContent(
+ $sectionId, Content $sectionContent, $sectionTitle = '', $edittime = null
+ ) {
+ return $this->mPage->replaceSectionContent(
+ $sectionId, $sectionContent, $sectionTitle, $edittime
+ );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::setTimestamp
+ */
+ public function setTimestamp( $ts ) {
+ return $this->mPage->setTimestamp( $ts );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::shouldCheckParserCache
+ */
+ public function shouldCheckParserCache( ParserOptions $parserOptions, $oldId ) {
+ return $this->mPage->shouldCheckParserCache( $parserOptions, $oldId );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::supportsSections
+ */
+ public function supportsSections() {
+ return $this->mPage->supportsSections();
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::triggerOpportunisticLinksUpdate
+ */
+ public function triggerOpportunisticLinksUpdate( ParserOutput $parserOutput ) {
+ return $this->mPage->triggerOpportunisticLinksUpdate( $parserOutput );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::updateCategoryCounts
+ */
+ public function updateCategoryCounts( array $added, array $deleted, $id = 0 ) {
+ return $this->mPage->updateCategoryCounts( $added, $deleted, $id );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::updateIfNewerOn
+ */
+ public function updateIfNewerOn( $dbw, $revision ) {
+ return $this->mPage->updateIfNewerOn( $dbw, $revision );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::updateRedirectOn
+ */
+ public function updateRedirectOn( $dbw, $redirectTitle, $lastRevIsRedirect = null ) {
+ return $this->mPage->updateRedirectOn( $dbw, $redirectTitle, $lastRevIsRedirect = null );
+ }
+
+ /**
+ * Call to WikiPage function for backwards compatibility.
+ * @see WikiPage::updateRevisionOn
+ */
+ public function updateRevisionOn( $dbw, $revision, $lastRevision = null,
+ $lastRevIsRedirect = null
+ ) {
+ return $this->mPage->updateRevisionOn( $dbw, $revision, $lastRevision,
+ $lastRevIsRedirect
+ );
+ }
+
+ /**
+ * @param array $limit
+ * @param array $expiry
+ * @param bool &$cascade
+ * @param string $reason
+ * @param User $user
+ * @return Status
+ */
+ public function doUpdateRestrictions( array $limit, array $expiry, &$cascade,
+ $reason, User $user
+ ) {
+ return $this->mPage->doUpdateRestrictions( $limit, $expiry, $cascade, $reason, $user );
+ }
+
+ /**
+ * @param array $limit
+ * @param string $reason
+ * @param int &$cascade
+ * @param array $expiry
+ * @return bool
+ */
+ public function updateRestrictions( $limit = [], $reason = '',
+ &$cascade = 0, $expiry = []
+ ) {
+ return $this->mPage->doUpdateRestrictions(
+ $limit,
+ $expiry,
+ $cascade,
+ $reason,
+ $this->getContext()->getUser()
+ );
+ }
+
+ /**
+ * @param string $reason
+ * @param bool $suppress
+ * @param int $u1 Unused
+ * @param bool $u2 Unused
+ * @param string &$error
+ * @return bool
+ */
+ public function doDeleteArticle(
+ $reason, $suppress = false, $u1 = null, $u2 = null, &$error = ''
+ ) {
+ return $this->mPage->doDeleteArticle( $reason, $suppress, $u1, $u2, $error );
+ }
+
+ /**
+ * @param string $fromP
+ * @param string $summary
+ * @param string $token
+ * @param bool $bot
+ * @param array &$resultDetails
+ * @param User|null $user
+ * @return array
+ */
+ public function doRollback( $fromP, $summary, $token, $bot, &$resultDetails, User $user = null ) {
+ $user = is_null( $user ) ? $this->getContext()->getUser() : $user;
+ return $this->mPage->doRollback( $fromP, $summary, $token, $bot, $resultDetails, $user );
+ }
+
+ /**
+ * @param string $fromP
+ * @param string $summary
+ * @param bool $bot
+ * @param array &$resultDetails
+ * @param User|null $guser
+ * @return array
+ */
+ public function commitRollback( $fromP, $summary, $bot, &$resultDetails, User $guser = null ) {
+ $guser = is_null( $guser ) ? $this->getContext()->getUser() : $guser;
+ return $this->mPage->commitRollback( $fromP, $summary, $bot, $resultDetails, $guser );
+ }
+
+ /**
+ * @param bool &$hasHistory
+ * @return mixed
+ */
+ public function generateReason( &$hasHistory ) {
+ $title = $this->mPage->getTitle();
+ $handler = ContentHandler::getForTitle( $title );
+ return $handler->getAutoDeleteReason( $title, $hasHistory );
+ }
+
+ /**
+ * @return array
+ *
+ * @deprecated since 1.24, use WikiPage::selectFields() instead
+ */
+ public static function selectFields() {
+ wfDeprecated( __METHOD__, '1.24' );
+ return WikiPage::selectFields();
+ }
+
+ /**
+ * @param Title $title
+ *
+ * @deprecated since 1.24, use WikiPage::onArticleCreate() instead
+ */
+ public static function onArticleCreate( $title ) {
+ wfDeprecated( __METHOD__, '1.24' );
+ WikiPage::onArticleCreate( $title );
+ }
+
+ /**
+ * @param Title $title
+ *
+ * @deprecated since 1.24, use WikiPage::onArticleDelete() instead
+ */
+ public static function onArticleDelete( $title ) {
+ wfDeprecated( __METHOD__, '1.24' );
+ WikiPage::onArticleDelete( $title );
+ }
+
+ /**
+ * @param Title $title
+ *
+ * @deprecated since 1.24, use WikiPage::onArticleEdit() instead
+ */
+ public static function onArticleEdit( $title ) {
+ wfDeprecated( __METHOD__, '1.24' );
+ WikiPage::onArticleEdit( $title );
+ }
+
+ // ******
+}
scripts.mit.edu / autoinstallsdev / mediawiki.git / blobdiff