var $mTouched = '19700101000000'; //!<
var $mUser = -1; //!< Not loaded
var $mUserText = ''; //!<
+ var $mParserOptions; //!<
/**@}}*/
/**
}
/**
- * This is the default action of the script: just view the page of
- * the given title.
+ * This is the default action of the index.php entry point: just view the
+ * page of the given title.
*/
public function view() {
global $wgUser, $wgOut, $wgRequest, $wgContLang;
global $wgEnableParserCache, $wgStylePath, $wgParser;
- global $wgUseTrackbacks, $wgNamespaceRobotPolicies, $wgArticleRobotPolicies;
- global $wgDefaultRobotPolicy;
-
- # Let the parser know if this is the printable version
- if( $wgOut->isPrintable() ) {
- $wgOut->parserOptions()->setIsPrintable( true );
- }
+ global $wgUseTrackbacks;
wfProfileIn( __METHOD__ );
# Get variables from query string
$oldid = $this->getOldID();
+ $parserCache = ParserCache::singleton();
+
+ $parserOptions = clone $this->getParserOptions();
+ # Render printable version, use printable version cache
+ if ( $wgOut->isPrintable() ) {
+ $parserOptions->setIsPrintable( true );
+ }
# Try client and file cache
if( $oldid === 0 && $this->checkTouched() ) {
global $wgUseETag;
if( $wgUseETag ) {
- $parserCache = ParserCache::singleton();
- $wgOut->setETag( $parserCache->getETag($this, $wgOut->parserOptions()) );
+ $wgOut->setETag( $parserCache->getETag( $this, $parserOptions ) );
}
# Is is client cached?
if( $wgOut->checkLastModified( $this->getTouched() ) ) {
+ wfDebug( __METHOD__.": done 304\n" );
wfProfileOut( __METHOD__ );
return;
# Try file cache
} else if( $this->tryFileCache() ) {
+ wfDebug( __METHOD__.": done file cache\n" );
# tell wgOut that output is taken care of
$wgOut->disable();
$this->viewUpdates();
}
}
- $ns = $this->mTitle->getNamespace(); # shortcut
$sk = $wgUser->getSkin();
# getOldID may want us to redirect somewhere else
if( $this->mRedirectUrl ) {
$wgOut->redirect( $this->mRedirectUrl );
+ wfDebug( __METHOD__.": redirecting due to oldid\n" );
wfProfileOut( __METHOD__ );
return;
}
- $diff = $wgRequest->getVal( 'diff' );
- $rcid = $wgRequest->getVal( 'rcid' );
- $rdfrom = $wgRequest->getVal( 'rdfrom' );
- $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
- $purge = $wgRequest->getVal( 'action' ) == 'purge';
- $return404 = false;
-
$wgOut->setArticleFlag( true );
+ $wgOut->setRobotPolicy( $this->getRobotPolicyForView() );
+ # Set page title (may be overridden by DISPLAYTITLE)
+ $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
+
+ # If we got diff in the query, we want to see a diff page instead of the article.
+ if( !is_null( $wgRequest->getVal( 'diff' ) ) ) {
+ wfDebug( __METHOD__.": showing diff page\n" );
+ $this->showDiffPage();
+ wfProfileOut( __METHOD__ );
+ return;
+ }
- # Discourage indexing of printable versions, but encourage following
- if( $wgOut->isPrintable() ) {
- $policy = 'noindex,follow';
- } elseif( isset( $wgArticleRobotPolicies[$this->mTitle->getPrefixedText()] ) ) {
- $policy = $wgArticleRobotPolicies[$this->mTitle->getPrefixedText()];
- } elseif( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
- # Honour customised robot policies for this namespace
- $policy = $wgNamespaceRobotPolicies[$ns];
- } else {
- $policy = $wgDefaultRobotPolicy;
+ # Should the parser cache be used?
+ $useParserCache = $this->useParserCache( $oldid );
+ wfDebug( 'Article::view using parser cache: ' . ($useParserCache ? 'yes' : 'no' ) . "\n" );
+ if( $wgUser->getOption( 'stubthreshold' ) ) {
+ wfIncrStats( 'pcache_miss_stub' );
}
- $wgOut->setRobotPolicy( $policy );
- # Allow admins to see deleted content if explicitly requested
- $delId = $diff ? $diff : $oldid;
- $unhide = $wgRequest->getInt('unhide') == 1;
- # If we got diff and oldid in the query, we want to see a
- # diff page instead of the article.
- if( !is_null( $diff ) ) {
- $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
+ # 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).
+ if( $this->mTitle->equals( Title::newMainPage() )
+ && wfMsgForContent( 'pagetitle-view-mainpage' ) !== '' )
+ {
+ $wgOut->setHTMLTitle( wfMsgForContent( 'pagetitle-view-mainpage' ) );
+ }
- $htmldiff = $wgRequest->getVal( 'htmldiff' , false);
- $de = new DifferenceEngine( $this->mTitle, $oldid, $diff, $rcid, $purge, $htmldiff, $unhide );
- // DifferenceEngine directly fetched the revision:
- $this->mRevIdFetched = $de->mNewid;
- $de->showDiffPage( $diffOnly );
+ $wasRedirected = $this->showRedirectedFromHeader();
+ $this->showNamespaceHeader();
- // Needed to get the page's current revision
- $this->loadPageData();
- if( $diff == 0 || $diff == $this->mLatest ) {
- # Run view updates for current revision only
- $this->viewUpdates();
+ $outputDone = false;
+ wfRunHooks( 'ArticleViewHeader', array( &$this, &$outputDone, &$useParserCache ) );
+
+ # Try the parser cache
+ if( !$outputDone && $useParserCache ) {
+ $parserOutput = $parserCache->get( $this, $parserOptions );
+ if ( $parserOutput !== false ) {
+ wfDebug( __METHOD__.": showing parser cache contents\n" );
+ $wgOut->addParserOutput( $parserOutput );
+ // Ensure that UI elements requiring revision ID have
+ // the correct version information.
+ $wgOut->setRevisionId( $this->mLatest );
+ $outputDone = true;
+ }
+ }
+
+ if ( $outputDone ) {
+ $this->showViewFooter();
+ $this->viewUpdates();
+ wfProfileOut( __METHOD__ );
+ return;
+ }
+
+ $text = $this->getContent();
+ if( $text === false || $this->getID() == 0 ) {
+ wfDebug( __METHOD__.": showing missing article\n" );
+ $this->showMissingArticle();
+ wfProfileOut( __METHOD__ );
+ return;
+ }
+
+ # Another whitelist check in case oldid is altering the title
+ if( !$this->mTitle->userCanRead() ) {
+ wfDebug( __METHOD__.": denied on secondary read check\n" );
+ $wgOut->loginToUse();
+ $wgOut->output();
+ $wgOut->disable();
+ wfProfileOut( __METHOD__ );
+ return;
+ }
+
+ # We're looking at an old revision
+ if( $oldid && !is_null( $this->mRevision ) ) {
+ $this->setOldSubtitle( $oldid );
+ if ( !$this->showDeletedRevisionHeader() ) {
+ wfDebug( __METHOD__.": cannot view deleted revision\n" );
+ wfProfileOut( __METHOD__ );
+ return;
}
+
+ if ( $oldid === $this->getLatest() && $this->useParserCache( false ) ) {
+ $parserOutput = $parserCache->get( $this, $parserOptions );
+ if ( $parserOutput ) {
+ wfDebug( __METHOD__.": showing parser cache for current rev permalink\n" );
+ $wgOut->addParserOutput( $parserOutput );
+ $this->showViewFooter();
+ $this->viewUpdates();
+ wfProfileOut( __METHOD__ );
+ return;
+ }
+ }
+ }
+
+ // Ensure that UI elements requiring revision ID have
+ // the correct version information.
+ $wgOut->setRevisionId( $this->getRevIdFetched() );
+
+ // Pages containing custom CSS or JavaScript get special treatment
+ if( $this->mTitle->isCssOrJsPage() || $this->mTitle->isCssJsSubpage() ) {
+ wfDebug( __METHOD__.": showing CSS/JS source\n" );
+ $this->showCssOrJsPage();
+ $outputDone = true;
+ } else if( $rt = Title::newFromRedirectArray( $text ) ) {
+ wfDebug( __METHOD__.": showing redirect=no page\n" );
+ # Viewing a redirect page (e.g. with parameter redirect=no)
+ # Don't append the subtitle if this was an old revision
+ $wgOut->addHTML( $this->viewRedirect( $rt, !$wasRedirected && $this->isCurrent() ) );
+ # Parse just to get categories, displaytitle, etc.
+ $parserOutput = $wgParser->parse( $text, $this->mTitle, $parserOptions );
+ $wgOut->addParserOutputNoText( $parserOutput );
+ $outputDone = true;
+ }
+ if ( $outputDone ) {
+ $this->showViewFooter();
+ $this->viewUpdates();
wfProfileOut( __METHOD__ );
return;
}
+ # Run the parse, protected by a pool counter
+ wfDebug( __METHOD__.": doing uncached parse\n" );
+ $key = $parserCache->getKey( $this, $parserOptions );
+ $poolCounter = PoolCounter::factory( 'Article::view', $key );
+ $dirtyCallback = $useParserCache ? array( $this, 'tryDirtyCache' ) : false;
+ $status = $poolCounter->executeProtected( array( $this, 'doViewParse' ), $dirtyCallback );
+
+ if ( !$status->isOK() ) {
+ # Connection or timeout error
+ $this->showPoolError( $status );
+ wfProfileOut( __METHOD__ );
+ return;
+ }
+
+ $this->showViewFooter();
+ $this->viewUpdates();
+ wfProfileOut( __METHOD__ );
+ }
+
+ /**
+ * Show a diff page according to current request variables. For use within
+ * Article::view() only, other callers should use the DifferenceEngine class.
+ */
+ public function showDiffPage() {
+ global $wgOut, $wgRequest, $wgUser;
+
+ $diff = $wgRequest->getVal( 'diff' );
+ $rcid = $wgRequest->getVal( 'rcid' );
+ $diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getOption( 'diffonly' ) );
+ $purge = $wgRequest->getVal( 'action' ) == 'purge';
+ $htmldiff = $wgRequest->getVal( 'htmldiff' , false);
+ $unhide = $wgRequest->getInt('unhide') == 1;
+ $oldid = $this->getOldID();
+
+ $de = new DifferenceEngine( $this->mTitle, $oldid, $diff, $rcid, $purge, $htmldiff, $unhide );
+ // DifferenceEngine directly fetched the revision:
+ $this->mRevIdFetched = $de->mNewid;
+ $de->showDiffPage( $diffOnly );
+
+ // Needed to get the page's current revision
+ $this->loadPageData();
+ if( $diff == 0 || $diff == $this->mLatest ) {
+ # Run view updates for current revision only
+ $this->viewUpdates();
+ }
+ }
+
+ /**
+ * Show a page view for a page formatted as CSS or JavaScript. To be called by
+ * Article::view() only.
+ *
+ * This is hooked by SyntaxHighlight_GeSHi to do syntax highlighting of these
+ * page views.
+ */
+ public function showCssOrJsPage() {
+ global $wgOut;
+ $wgOut->addHTML( wfMsgExt( 'clearyourcache', 'parse' ) );
+ // Give hooks a chance to customise the output
+ if( wfRunHooks( 'ShowRawCssJs', array( $this->mContent, $this->mTitle, $wgOut ) ) ) {
+ // Wrap the whole lot in a <pre> and don't parse
+ $m = array();
+ preg_match( '!\.(css|js)$!u', $this->mTitle->getText(), $m );
+ $wgOut->addHTML( "<pre class=\"mw-code mw-{$m[1]}\" dir=\"ltr\">\n" );
+ $wgOut->addHTML( htmlspecialchars( $this->mContent ) );
+ $wgOut->addHTML( "\n</pre>\n" );
+ }
+ }
+
+ /**
+ * Get the robot policy to be used for the current action=view request.
+ */
+ public function getRobotPolicyForView() {
+ global $wgOut, $wgArticleRobotPolicies, $wgNamespaceRobotPolicies;
+ global $wgDefaultRobotPolicy, $wgRequest;
+
+ $ns = $this->mTitle->getNamespace();
if( $ns == NS_USER || $ns == NS_USER_TALK ) {
- # User/User_talk subpages are not modified. (bug 11443)
+ # Don't index user and user talk pages for blocked users (bug 11443)
if( !$this->mTitle->isSubpage() ) {
$block = new Block();
- if( $block->load( $this->mTitle->getBaseText() ) ) {
- $wgOut->setRobotpolicy( 'noindex,nofollow' );
+ if( $block->load( $this->mTitle->getText() ) ) {
+ return 'noindex,nofollow';
}
}
}
- # Should the parser cache be used?
- $pcache = $this->useParserCache( $oldid );
- wfDebug( 'Article::view using parser cache: ' . ($pcache ? 'yes' : 'no' ) . "\n" );
- if( $wgUser->getOption( 'stubthreshold' ) ) {
- wfIncrStats( 'pcache_miss_stub' );
+ if( $this->getID() === 0 || $this->getOldID() ) {
+ return 'noindex,nofollow';
+ } elseif( $wgOut->isPrintable() ) {
+ # Discourage indexing of printable versions, but encourage following
+ return 'noindex,follow';
+ } elseif( $wgRequest->getInt('curid') ) {
+ # For ?curid=x urls, disallow indexing
+ return 'noindex,follow';
+ } elseif( isset( $wgArticleRobotPolicies[$this->mTitle->getPrefixedText()] ) ) {
+ return $wgArticleRobotPolicies[$this->mTitle->getPrefixedText()];
+ } elseif( isset( $wgNamespaceRobotPolicies[$ns] ) ) {
+ # Honour customised robot policies for this namespace
+ return $wgNamespaceRobotPolicies[$ns];
+ } else {
+ return $wgDefaultRobotPolicy;
}
+ }
- $wasRedirected = false;
+ /**
+ * If this request is a redirect view, send "redirected from" subtitle to
+ * $wgOut. Returns true if the header was needed, false if this is not a
+ * redirect view. Handles both local and remote redirects.
+ */
+ public function showRedirectedFromHeader() {
+ global $wgOut, $wgUser, $wgRequest, $wgRedirectSources;
+
+ $rdfrom = $wgRequest->getVal( 'rdfrom' );
+ $sk = $wgUser->getSkin();
if( isset( $this->mRedirectedFrom ) ) {
// This is an internally redirected page view.
// We'll need a backlink to the source page for navigation.
$wgOut->addLink( array( 'rel' => 'canonical',
'href' => $this->mTitle->getLocalURL() )
);
- $wasRedirected = true;
+ return true;
}
- } elseif( !empty( $rdfrom ) ) {
+ } elseif( $rdfrom ) {
// This is an externally redirected view, from some other wiki.
// If it was reported from a trusted site, supply a backlink.
- global $wgRedirectSources;
if( $wgRedirectSources && preg_match( $wgRedirectSources, $rdfrom ) ) {
$redir = $sk->makeExternalLink( $rdfrom, $rdfrom );
$s = wfMsgExt( 'redirectedfrom', array( 'parseinline', 'replaceafter' ), $redir );
$wgOut->setSubtitle( $s );
- $wasRedirected = true;
+ return true;
}
}
+ return false;
+ }
- # Allow a specific header on talk pages, like [[MediaWiki:Talkpagetext]]
+ /**
+ * Show a header specific to the namespace currently being viewed, like
+ * [[MediaWiki:Talkpagetext]]. For Article::view().
+ */
+ public function showNamespaceHeader() {
+ global $wgOut;
if( $this->mTitle->isTalkPage() ) {
$msg = wfMsgNoTrans( 'talkpageheader' );
if ( $msg !== '-' && !wfEmptyMsg( 'talkpageheader', $msg ) ) {
$wgOut->wrapWikiMsg( "<div class=\"mw-talkpageheader\">\n$1</div>", array( 'talkpageheader' ) );
}
}
+ }
- $outputDone = false;
- wfRunHooks( 'ArticleViewHeader', array( &$this, &$outputDone, &$pcache ) );
- if( $pcache && $wgOut->tryParserCache( $this ) ) {
- // Ensure that UI elements requiring revision ID have
- // the correct version information.
- $wgOut->setRevisionId( $this->mLatest );
- $outputDone = true;
+ /**
+ * Show the footer section of an ordinary page view
+ */
+ public function showViewFooter() {
+ global $wgOut, $wgUseTrackbacks, $wgRequest;
+ # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
+ if( $this->mTitle->getNamespace() == NS_USER_TALK && IP::isValid( $this->mTitle->getText() ) ) {
+ $wgOut->addWikiMsg('anontalkpagetext');
}
- # Fetch content and check for errors
- if( !$outputDone ) {
- # If the article does not exist and was deleted/moved, show the log
- if( $this->getID() == 0 ) {
- $this->showLogs();
- }
- $text = $this->getContent();
- // For now, check also for ID until getContent actually returns
- // false for pages that do not exists
- if( $text === false || $this->getID() === 0 ) {
- # Failed to load, replace text with error message
- $t = $this->mTitle->getPrefixedText();
- if( $oldid ) {
- $d = wfMsgExt( 'missingarticle-rev', 'escape', $oldid );
- $text = wfMsgExt( 'missing-article', 'parsemag', $t, $d );
- // Always use page content for pages in the MediaWiki namespace
- // since it contains the default message
- } elseif ( $this->mTitle->getNamespace() != NS_MEDIAWIKI ) {
- $text = wfMsgExt( 'noarticletext', 'parsemag' );
- }
- }
- # Non-existent pages
- if( $this->getID() === 0 ) {
- $wgOut->setRobotPolicy( 'noindex,nofollow' );
- $text = "<div class='noarticletext'>\n$text\n</div>";
- if( !$this->hasViewableContent() ) {
- // If there's no backing content, send a 404 Not Found
- // for better machine handling of broken links.
- $return404 = true;
- }
- }
+ # If we have been passed an &rcid= parameter, we want to give the user a
+ # chance to mark this new article as patrolled.
+ $this->showPatrolFooter();
- if( $return404 ) {
- $wgRequest->response()->header( "HTTP/1.x 404 Not Found" );
- }
+ # Trackbacks
+ if( $wgUseTrackbacks ) {
+ $this->addTrackbacks();
+ }
+ }
- # Another whitelist check in case oldid is altering the title
- if( !$this->mTitle->userCanRead() ) {
- $wgOut->loginToUse();
- $wgOut->output();
- $wgOut->disable();
- wfProfileOut( __METHOD__ );
- return;
- }
+ /**
+ * 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.
+ */
+ public function showPatrolFooter() {
+ global $wgOut, $wgRequest;
+ $rcid = $wgRequest->getVal( 'rcid' );
- # For ?curid=x urls, disallow indexing
- if( $wgRequest->getInt('curid') )
- $wgOut->setRobotPolicy( 'noindex,follow' );
+ if( !$rcid || !$this->mTitle->exists() || !$this->mTitle->quickUserCan( 'patrol' ) ) {
+ return;
+ }
- # We're looking at an old revision
- if( !empty( $oldid ) ) {
- $wgOut->setRobotPolicy( 'noindex,nofollow' );
- if( is_null( $this->mRevision ) ) {
- // FIXME: This would be a nice place to load the 'no such page' text.
- } else {
- $this->setOldSubtitle( $oldid );
- # Allow admins to see deleted content if explicitly requested
- if( $this->mRevision->isDeleted( Revision::DELETED_TEXT ) ) {
- // If the user is not allowed to see it...
- if( !$this->mRevision->userCan(Revision::DELETED_TEXT) ) {
- $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n",
- 'rev-deleted-text-permission' );
- $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
- wfProfileOut( __METHOD__ );
- return;
- // If the user needs to confirm that they want to see it...
- } else if( !$unhide ) {
- # Give explanation and add a link to view the revision...
- $link = $this->mTitle->getFullUrl( "oldid={$oldid}&unhide=1" );
- $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n",
- array('rev-deleted-text-unhide',$link) );
- $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
- wfProfileOut( __METHOD__ );
- return;
- // We are allowed to see...
- } else {
- $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n",
- 'rev-deleted-text-view' );
- }
- }
- // Is this the current revision and otherwise cacheable? Try the parser cache...
- if( $oldid === $this->getLatest() && $this->useParserCache( false )
- && $wgOut->tryParserCache( $this ) )
- {
- $outputDone = true;
- }
- }
- }
+ $wgOut->addHTML(
+ "<div class='patrollink'>" .
+ wfMsgHtml(
+ 'markaspatrolledlink',
+ $sk->link(
+ $this->mTitle,
+ wfMsgHtml( 'markaspatrolledtext' ),
+ array(),
+ array(
+ 'action' => 'markpatrolled',
+ 'rcid' => $rcid
+ ),
+ array( 'known', 'noclasses' )
+ )
+ ) .
+ '</div>'
+ );
+ }
- // Ensure that UI elements requiring revision ID have
- // the correct version information.
- $wgOut->setRevisionId( $this->getRevIdFetched() );
-
- if( $outputDone ) {
- // do nothing...
- // Pages containing custom CSS or JavaScript get special treatment
- } else if( $this->mTitle->isCssOrJsPage() || $this->mTitle->isCssJsSubpage() ) {
- $wgOut->addHTML( wfMsgExt( 'clearyourcache', 'parse' ) );
- // Give hooks a chance to customise the output
- if( wfRunHooks( 'ShowRawCssJs', array( $this->mContent, $this->mTitle, $wgOut ) ) ) {
- // Wrap the whole lot in a <pre> and don't parse
- $m = array();
- preg_match( '!\.(css|js)$!u', $this->mTitle->getText(), $m );
- $wgOut->addHTML( "<pre class=\"mw-code mw-{$m[1]}\" dir=\"ltr\">\n" );
- $wgOut->addHTML( htmlspecialchars( $this->mContent ) );
- $wgOut->addHTML( "\n</pre>\n" );
- }
- } else if( $rt = Title::newFromRedirectArray( $text ) ) { # get an array of redirect targets
- # Don't append the subtitle if this was an old revision
- $wgOut->addHTML( $this->viewRedirect( $rt, !$wasRedirected && $this->isCurrent() ) );
- $parseout = $wgParser->parse($text, $this->mTitle, ParserOptions::newFromUser($wgUser));
- $wgOut->addParserOutputNoText( $parseout );
- } else if( $pcache ) {
- # Display content and save to parser cache
- $this->outputWikiText( $text );
- } else {
- # Display content, don't attempt to save to parser cache
- # Don't show section-edit links on old revisions... this way lies madness.
- if( !$this->isCurrent() ) {
- $oldEditSectionSetting = $wgOut->parserOptions()->setEditSection( false );
- }
- # Display content and don't save to parser cache
- # With timing hack -- TS 2006-07-26
- $time = -wfTime();
- $this->outputWikiText( $text, false );
- $time += wfTime();
-
- # Timing hack
- if( $time > 3 ) {
- wfDebugLog( 'slow-parse', sprintf( "%-5.2f %s", $time,
- $this->mTitle->getPrefixedDBkey()));
- }
+ /**
+ * 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 $wgOut, $wgRequest;
+ # Show delete and move logs
+ $this->showLogs();
- if( !$this->isCurrent() ) {
- $wgOut->parserOptions()->setEditSection( $oldEditSectionSetting );
- }
- }
+ # Show error message
+ $oldid = $this->getOldID();
+ if( $oldid ) {
+ $text = wfMsgNoTrans( 'missing-article',
+ $this->mTitle->getPrefixedText(),
+ wfMsgNoTrans( 'missingarticle-rev', $oldid ) );
+ } elseif ( $this->mTitle->getNamespace() === NS_MEDIAWIKI ) {
+ // Use the default message text
+ $text = $this->getContent();
+ } else {
+ $text = wfMsgNoTrans( 'noarticletext' );
}
- /* title may have been set from the cache */
- $t = $wgOut->getPageTitle();
- if( empty( $t ) ) {
- $wgOut->setPageTitle( $this->mTitle->getPrefixedText() );
-
- # 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).
- if( $this->mTitle->equals( Title::newMainPage() ) &&
- wfMsgForContent( 'pagetitle-view-mainpage' ) !== '' ) {
- $wgOut->setHTMLTitle( wfMsgForContent( 'pagetitle-view-mainpage' ) );
- }
+ $text = "<div class='noarticletext'>\n$text\n</div>";
+ if( !$this->hasViewableContent() ) {
+ // If there's no backing content, send a 404 Not Found
+ // for better machine handling of broken links.
+ $wgRequest->response()->header( "HTTP/1.x 404 Not Found" );
}
+ $wgOut->addWikiText( $text );
+ }
- # check if we're displaying a [[User talk:x.x.x.x]] anonymous talk page
- if( $ns == NS_USER_TALK && IP::isValid( $this->mTitle->getText() ) ) {
- $wgOut->addWikiMsg('anontalkpagetext');
- }
+ /**
+ * If the revision requested for view is deleted, check permissions.
+ * Send either an error message or a warning header to $wgOut.
+ * Returns true if the view is allowed, false if not.
+ */
+ public function showDeletedRevisionHeader() {
+ global $wgOut, $wgRequest;
- # If we have been passed an &rcid= parameter, we want to give the user a
- # chance to mark this new article as patrolled.
- if( !empty( $rcid ) && $this->mTitle->exists() && $this->mTitle->quickUserCan( 'patrol' ) ) {
- $wgOut->addHTML(
- "<div class='patrollink'>" .
- wfMsgHtml(
- 'markaspatrolledlink',
- $sk->link(
- $this->mTitle,
- wfMsgHtml( 'markaspatrolledtext' ),
- array(),
- array(
- 'action' => 'markpatrolled',
- 'rcid' => $rcid
- ),
- array( 'known', 'noclasses' )
- )
- ) .
- '</div>'
- );
+ if( !$this->mRevision->isDeleted( Revision::DELETED_TEXT ) ) {
+ // Not deleted
+ return true;
}
- # Trackbacks
- if( $wgUseTrackbacks ) {
- $this->addTrackbacks();
+ // If the user is not allowed to see it...
+ if( !$this->mRevision->userCan(Revision::DELETED_TEXT) ) {
+ $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n",
+ 'rev-deleted-text-permission' );
+ return false;
+ // If the user needs to confirm that they want to see it...
+ } else if( $wgRequest->getInt('unhide') != 1 ) {
+ # Give explanation and add a link to view the revision...
+ $oldid = intval( $this->getOldID() );
+ $link = $this->mTitle->getFullUrl( "oldid={$oldid}&unhide=1" );
+ $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n",
+ array('rev-deleted-text-unhide',$link) );
+ return false;
+ // We are allowed to see...
+ } else {
+ $wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1</div>\n",
+ 'rev-deleted-text-view' );
+ return true;
}
-
- $this->viewUpdates();
- wfProfileOut( __METHOD__ );
}
- protected function showLogs() {
+ /**
+ * Show an excerpt from the deletion and move logs. To be called from the
+ * header section on page views of missing pages.
+ */
+ public function showLogs() {
global $wgUser, $wgOut;
$loglist = new LogEventsList( $wgUser->getSkin(), $wgOut );
$pager = new LogPager( $loglist, array('move', 'delete'), false,
/*
* Should the parser cache be used?
*/
- protected function useParserCache( $oldid ) {
+ public function useParserCache( $oldid ) {
global $wgUser, $wgEnableParserCache;
return $wgEnableParserCache
&& !$this->mTitle->isCssJsSubpage();
}
+ /**
+ * Execute the uncached parse for action=view
+ */
+ public function doViewParse() {
+ global $wgOut;
+ $oldid = $this->getOldID();
+ $useParserCache = $this->useParserCache( $oldid );
+ $parserOptions = clone $this->getParserOptions();
+ # Render printable version, use printable version cache
+ $parserOptions->setIsPrintable( $wgOut->isPrintable() );
+ # Don't show section-edit links on old revisions... this way lies madness.
+ $parserOptions->setEditSection( $this->isCurrent() );
+ $useParserCache = $this->useParserCache( $oldid );
+ $this->outputWikiText( $this->getContent(), $useParserCache, $parserOptions );
+ }
+
+ /**
+ * Try to fetch an expired entry from the parser cache. If it is present,
+ * output it and return true. If it is not present, output nothing and
+ * return false. This is used as a callback function for
+ * PoolCounter::executeProtected().
+ */
+ public function tryDirtyCache() {
+ global $wgOut;
+ $parserCache = ParserCache::singleton();
+ $options = $this->getParserOptions();
+ $options->setIsPrintable( $wgOut->isPrintable() );
+ $output = $parserCache->getDirty( $this, $options );
+ if ( $output ) {
+ wfDebug( __METHOD__.": sending dirty output\n" );
+ wfDebugLog( 'dirty', "dirty output " . $parserCache->getKey( $this, $options ) . "\n" );
+ $wgOut->setSquidMaxage( 0 );
+ $wgOut->addParserOutput( $output );
+ $wgOut->addHTML( "<!-- parser cache is expired, sending anyway due to pool overload-->\n" );
+ return true;
+ } else {
+ wfDebugLog( 'dirty', "dirty missing\n" );
+ wfDebug( __METHOD__.": no dirty cache\n" );
+ return false;
+ }
+ }
+
+ /**
+ * Show an error page for an error from the pool counter.
+ * @param $status Status
+ */
+ public function showPoolError( $status ) {
+ global $wgOut;
+ $wgOut->clearHTML(); // for release() errors
+ $wgOut->enableClientCache( false );
+ $wgOut->setRobotPolicy( 'noindex,nofollow' );
+ $wgOut->addWikiText(
+ '<div class="errorbox">' .
+ $status->getWikiText( false, 'view-pool-error' ) .
+ '</div>'
+ );
+ }
+
/**
* View redirect
* @param $target Title object or Array of destination(s) to redirect
* @deprecated use Article::doEdit()
*/
function updateArticle( $text, $summary, $minor, $watchthis, $forceBot = false, $sectionanchor = '' ) {
- wfDeprecated( __METHOD__ );
$flags = EDIT_UPDATE | EDIT_DEFER_UPDATES | EDIT_AUTOSUMMARY |
( $minor ? EDIT_MINOR : 0 ) |
( $forceBot ? EDIT_FORCE_BOT : 0 );
$edit->revid = $revid;
$edit->newText = $text;
$edit->pst = $this->preSaveTransform( $text );
- $options = new ParserOptions;
- $options->setTidy( true );
- $options->enableLimitReport();
+ $options = $this->getParserOptions();
$edit->output = $wgParser->parse( $edit->pst, $this->mTitle, $options, true, true, $revid );
$edit->oldText = $this->getContent();
$this->mPreparedEdit = $edit;
# Save it to the parser cache
if( $wgEnableParserCache ) {
- $popts = new ParserOptions;
- $popts->setTidy( true );
- $popts->enableLimitReport();
+ $popts = $this->getParserOptions();
$parserCache = ParserCache::singleton();
$parserCache->save( $editInfo->output, $this, $popts );
}
* @param $text String
* @param $cache Boolean
*/
- public function outputWikiText( $text, $cache = true ) {
+ public function outputWikiText( $text, $cache = true, $parserOptions = false ) {
global $wgOut;
- $parserOutput = $this->outputFromWikitext( $text, $cache );
-
+ $parserOutput = $this->getOutputFromWikitext( $text, $cache, $parserOptions );
$wgOut->addParserOutput( $parserOutput );
}
* output instead of sending it straight to $wgOut. Makes things nice and simple for,
* say, embedding thread pages within a discussion system (LiquidThreads)
*/
- public function outputFromWikitext( $text, $cache = true ) {
+ public function getOutputFromWikitext( $text, $cache = true, $parserOptions = false ) {
global $wgParser, $wgOut, $wgEnableParserCache, $wgUseFileCache;
- $popts = $wgOut->parserOptions();
- $popts->setTidy(true);
- $popts->enableLimitReport();
+ if ( !$parserOptions ) {
+ $parserOptions = $this->getParserOptions();
+ }
+
+ $time = -wfTime();
$parserOutput = $wgParser->parse( $text, $this->mTitle,
- $popts, true, true, $this->getRevIdFetched() );
- $popts->setTidy(false);
- $popts->enableLimitReport( false );
+ $parserOptions, true, true, $this->getRevIdFetched() );
+ $time += wfTime();
+
+ # Timing hack
+ if( $time > 3 ) {
+ wfDebugLog( 'slow-parse', sprintf( "%-5.2f %s", $time,
+ $this->mTitle->getPrefixedDBkey()));
+ }
+
if( $wgEnableParserCache && $cache && $this && $parserOutput->getCacheTime() != -1 ) {
$parserCache = ParserCache::singleton();
- $parserCache->save( $parserOutput, $this, $popts );
+ $parserCache->save( $parserOutput, $this, $parserOptions );
}
// Make sure file cache is not used on uncacheable content.
// Output that has magic words in it can still use the parser cache
if( $parserOutput->getCacheTime() == -1 || $parserOutput->containsOldMagic() ) {
$wgUseFileCache = false;
}
+ $this->doCascadeProtectionUpdates( $parserOutput );
+ return $parserOutput;
+ }
- if( $this->isCurrent() && !wfReadOnly() && $this->mTitle->areRestrictionsCascading() ) {
- // templatelinks table may have become out of sync,
- // especially if using variable-based transclusions.
- // For paranoia, check if things have changed and if
- // so apply updates to the database. This will ensure
- // that cascaded protections apply as soon as the changes
- // are visible.
+ /**
+ * Get parser options suitable for rendering the primary article wikitext
+ */
+ public function getParserOptions() {
+ global $wgUser;
+ if ( !$this->mParserOptions ) {
+ $this->mParserOptions = new ParserOptions( $wgUser );
+ $this->mParserOptions->setTidy( true );
+ $this->mParserOptions->enableLimitReport();
+ }
+ return $this->mParserOptions;
+ }
- # Get templates from templatelinks
- $id = $this->mTitle->getArticleID();
+ protected function doCascadeProtectionUpdates( $parserOutput ) {
+ if( !$this->isCurrent() || wfReadOnly() || !$this->mTitle->areRestrictionsCascading() ) {
+ return;
+ }
- $tlTemplates = array();
+ // templatelinks table may have become out of sync,
+ // especially if using variable-based transclusions.
+ // For paranoia, check if things have changed and if
+ // so apply updates to the database. This will ensure
+ // that cascaded protections apply as soon as the changes
+ // are visible.
- $dbr = wfGetDB( DB_SLAVE );
- $res = $dbr->select( array( 'templatelinks' ),
- array( 'tl_namespace', 'tl_title' ),
- array( 'tl_from' => $id ),
- __METHOD__ );
+ # Get templates from templatelinks
+ $id = $this->mTitle->getArticleID();
- global $wgContLang;
- foreach( $res as $row ) {
- $tlTemplates["{$row->tl_namespace}:{$row->tl_title}"] = true;
- }
+ $tlTemplates = array();
- # Get templates from parser output.
- $poTemplates = array();
- foreach ( $parserOutput->getTemplates() as $ns => $templates ) {
- foreach ( $templates as $dbk => $id ) {
- $poTemplates["$ns:$dbk"] = true;
- }
- }
+ $dbr = wfGetDB( DB_SLAVE );
+ $res = $dbr->select( array( 'templatelinks' ),
+ array( 'tl_namespace', 'tl_title' ),
+ array( 'tl_from' => $id ),
+ __METHOD__ );
- # Get the diff
- # Note that we simulate array_diff_key in PHP <5.0.x
- $templates_diff = array_diff_key( $poTemplates, $tlTemplates );
+ global $wgContLang;
+ foreach( $res as $row ) {
+ $tlTemplates["{$row->tl_namespace}:{$row->tl_title}"] = true;
+ }
- if( count( $templates_diff ) > 0 ) {
- # Whee, link updates time.
- $u = new LinksUpdate( $this->mTitle, $parserOutput, false );
- $u->doUpdate();
+ # Get templates from parser output.
+ $poTemplates = array();
+ foreach ( $parserOutput->getTemplates() as $ns => $templates ) {
+ foreach ( $templates as $dbk => $id ) {
+ $poTemplates["$ns:$dbk"] = true;
}
}
-
- return $parserOutput;
+
+ # Get the diff
+ # Note that we simulate array_diff_key in PHP <5.0.x
+ $templates_diff = array_diff_key( $poTemplates, $tlTemplates );
+
+ if( count( $templates_diff ) > 0 ) {
+ # Whee, link updates time.
+ $u = new LinksUpdate( $this->mTitle, $parserOutput, false );
+ $u->doUpdate();
+ }
}
/**
}
}
- function tryParserCache( $parserOptions ) {
- $parserCache = ParserCache::singleton();
- $parserOutput = $parserCache->get( $this, $parserOptions );
- if ( $parserOutput !== false ) {
- return $parserOutput;
- } else {
- return false;
- }
- }
-
/** 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 Article::view is forced to
* consider, so it's not appropriate to use there. */
global $wgEnableParserCache, $wgUser, $wgOut;
// Should the parser cache be used?
- $pcache = $wgEnableParserCache &&
+ $useParserCache = $wgEnableParserCache &&
intval( $wgUser->getOption( 'stubthreshold' ) ) == 0 &&
$this->exists() &&
$oldid === null;
- wfDebug( __METHOD__.': using parser cache: ' . ( $pcache ? 'yes' : 'no' ) . "\n" );
+ wfDebug( __METHOD__.': using parser cache: ' . ( $useParserCache ? 'yes' : 'no' ) . "\n" );
if ( $wgUser->getOption( 'stubthreshold' ) ) {
wfIncrStats( 'pcache_miss_stub' );
}
$parserOutput = false;
- if ( $pcache ) {
- $parserOutput = $this->tryParserCache( $wgOut->parserOptions() );
+ if ( $useParserCache ) {
+ $parserOutput = ParserCache::singleton()->get( $this, $this->getParserOptions() );
}
if ( $parserOutput === false ) {
// Cache miss; parse and output it.
$rev = Revision::newFromTitle( $this->getTitle(), $oldid );
- return $this->outputFromWikitext( $rev->getText(), $pcache );
+ return $this->getOutputFromWikitext( $rev->getText(), $useParserCache );
} else {
return $parserOutput;
}