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Article.php
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Article.php
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<?php
/**
* File for articles
* @file
*/
/**
* 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.
*
* internal documentation reviewed 15 Mar 2010
*
* //Wikia Change Start - helping PHP lint
* @property Title mTitle
* @method bool exists
* @method int getID
* @method Title getRedirectTarget
* @method void loadPageData
* //Wikia Change End
*/
class Article extends Page {
/**@{{
* @private
*/
/**
* @var IContextSource
*/
protected $mContext;
/**
* @var WikiPage
*/
protected $mPage;
/**
* @var ParserOptions: ParserOptions object for $wgUser articles
*/
public $mParserOptions;
var $mContent; // !<
var $mContentLoaded = false; // !<
var $mOldId; // !<
/**
* @var Title
*/
var $mRedirectedFrom = null;
/**
* @var mixed: boolean false or URL string
*/
var $mRedirectUrl = false; // !<
var $mRevIdFetched = 0; // !<
/**
* @var Revision
*/
var $mRevision = null;
/**
* @var ParserOutput
*/
var $mParserOutput;
/**@}}*/
/**
* Constructor and clear the article
* @param $title Title Reference to a Title object.
* @param $oldId Integer 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 $id Int article ID to load
* @return Article|null
*/
public static function newFromID( $id ) {
$t = Title::newFromID( $id );
# @todo FIXME: Doesn't inherit right
return $t == null ? null : new self( $t );
# return $t == null ? null : new static( $t ); // PHP 5.3
}
/**
* Create an Article object of the appropriate class for the given page.
*
* @param $title Title
* @param $context IContextSource
* @return Article object
*/
public static function newFromTitle( $title, IContextSource $context ) {
if ( NS_MEDIA == $title->getNamespace() ) {
// FIXME: where should this go?
$title = Title::makeTitle( NS_FILE, $title->getDBkey() );
}
$page = null;
wfRunHooks( 'ArticleFromTitle', array( &$title, &$page ) );
if ( !$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 $page WikiPage
* @param $context IContextSource
* @return Article object
*/
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;
}
/**
* Tell the page view functions that this view was redirected
* from another page on the wiki.
* @param $from Title object.
*/
public function setRedirectedFrom( Title $from ) {
$this->mRedirectedFrom = $from;
}
/**
* Get the title object of the article
*
* @return 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();
}
/**
* Note that getContent/loadContent do 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 Return the text of this revision
*/
public function getContent() {
global $wgUser;
wfProfileIn( __METHOD__ );
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 = '';
}
} else {
$text = wfMsgExt( $wgUser->isLoggedIn() ? 'noarticletext' : 'noarticletextanon', 'parsemag' );
}
wfProfileOut( __METHOD__ );
return $text;
} else {
$this->fetchContent();
wfProfileOut( __METHOD__ );
return $this->mContent;
}
}
/**
* @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() {
global $wgRequest;
$this->mRedirectUrl = false;
$oldid = $wgRequest->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.
$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 = array( get_class( $this->mPage ), 'newFromID' );
$this->mPage = call_user_func( $function, $this->mRevision->getPage() );
}
}
}
if ( $wgRequest->getVal( 'direction' ) == 'next' ) {
$nextid = $this->getTitle()->getNextRevisionID( $oldid );
if ( $nextid ) {
$oldid = $nextid;
$this->mRevision = null;
} else {
$this->mRedirectUrl = $this->getTitle()->getFullURL( 'redirect=no' );
}
} elseif ( $wgRequest->getVal( 'direction' ) == 'prev' ) {
$previd = $this->getTitle()->getPreviousRevisionID( $oldid );
if ( $previd ) {
$oldid = $previd;
$this->mRevision = null;
}
}
return $oldid;
}
/**
* Load the revision (including text) into this object
*
* @deprecated in 1.19; use fetchContent()
*/
function loadContent() {
wfDeprecated( __METHOD__, '1.19' );
$this->fetchContent();
}
/**
* Get text of an article from database
* Does *NOT* follow redirects.
*
* @return mixed string containing article contents, or false if null
*/
function fetchContent() {
if ( $this->mContentLoaded ) {
return $this->mContent;
}
wfProfileIn( __METHOD__ );
$this->mContentLoaded = true;
$oldid = $this->getOldID();
# Pre-fill content with error message so that if something
# fails we'll have something telling us what we intended.
$t = $this->getTitle()->getPrefixedText();
$d = $oldid ? wfMsgExt( 'missingarticle-rev', array( 'escape' ), $oldid ) : '';
$this->mContent = wfMsgNoTrans( 'missing-article', $t, $d ) ;
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" );
Wikia\Logger\WikiaLogger::instance()->error( __METHOD__ . " - failed to retrieve specified revision", [ 'title' => $t, 'rev_id' => (string) $oldid ] ); # Wikia change - @author macbre
wfProfileOut( __METHOD__ );
return false;
}
}
} else {
if ( !$this->mPage->getLatest() ) {
wfDebug( __METHOD__ . " failed to find page data for title " . $this->getTitle()->getPrefixedText() . "\n" );
wfProfileOut( __METHOD__ );
return false;
}
$this->mRevision = $this->mPage->getRevision();
if ( !$this->mRevision ) {
wfDebug( __METHOD__ . " failed to retrieve current page, rev_id " . $this->mPage->getLatest() . "\n" );
Wikia\Logger\WikiaLogger::instance()->error( __METHOD__ . " - failed to retrieve current page", [ 'title' => $t, 'rev_id' => (string) $this->mPage->getLatest() ] ); # Wikia change - @author macbre
wfProfileOut( __METHOD__ );
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...
$this->mContent = $this->mRevision->getText( Revision::FOR_THIS_USER ); // Loads if user is allowed
$this->mRevIdFetched = $this->mRevision->getId();
wfRunHooks( 'ArticleAfterFetchContent', array( &$this, &$this->mContent ) );
wfProfileOut( __METHOD__ );
return $this->mContent;
}
/**
* No-op
* @deprecated since 1.18
*/
public function forUpdate() {
wfDeprecated( __METHOD__, '1.18' );
}
/**
* 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->fetchContent();
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 $wgUser, $wgOut, $wgRequest, $wgParser;
global $wgUseFileCache, $wgUseETag, $wgDebugToolbar;
wfProfileIn( __METHOD__ );
# 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();
# Another whitelist check in case getOldID() is altering the title
$permErrors = $this->getTitle()->getUserPermissionsErrors( 'read', $wgUser );
if ( count( $permErrors ) ) {
wfDebug( __METHOD__ . ": denied on secondary read check\n" );
wfProfileOut( __METHOD__ );
throw new PermissionsError( 'read', $permErrors );
}
# getOldID() may as well want us to redirect somewhere else
if ( $this->mRedirectUrl ) {
$wgOut->redirect( $this->mRedirectUrl );
wfDebug( __METHOD__ . ": redirecting due to oldid\n" );
wfProfileOut( __METHOD__ );
return;
}
# If we got diff in the query, we want to see a diff page instead of the article.
if ( $wgRequest->getCheck( 'diff' ) ) {
wfDebug( __METHOD__ . ": showing diff page\n" );
$this->showDiffPage();
wfProfileOut( __METHOD__ );
return;
}
# Set page title (may be overridden by DISPLAYTITLE)
$wgOut->setPageTitle( $this->getTitle()->getPrefixedText() );
$wgOut->setArticleFlag( true );
# Allow frames by default
$wgOut->allowClickjacking();
$parserCache = ParserCache::singleton();
$parserOptions = $this->getParserOptions();
# Render printable version, use printable version cache
if ( $wgOut->isPrintable() ) {
$parserOptions->setIsPrintable( true );
$parserOptions->setEditSection( false );
} elseif ( !$this->isCurrent() || !$this->getTitle()->quickUserCan( 'edit' ) ) {
$parserOptions->setEditSection( false );
}
# Try client and file cache
if ( !$wgDebugToolbar && $oldid === 0 && $this->mPage->checkTouched() ) {
if ( $wgUseETag ) {
$wgOut->setETag( $parserCache->getETag( $this, $parserOptions ) );
}
# Is it client cached?
if ( $wgOut->checkLastModified( $this->mPage->getTouched() ) ) {
wfDebug( __METHOD__ . ": done 304\n" );
wfProfileOut( __METHOD__ );
return;
# Try file cache
} elseif ( $wgUseFileCache && $this->tryFileCache() ) {
wfDebug( __METHOD__ . ": done file cache\n" );
# tell wgOut that output is taken care of
$wgOut->disable();
$this->mPage->doViewUpdates( $wgUser );
wfProfileOut( __METHOD__ );
return;
}
}
# Should the parser cache be used?
$useParserCache = $this->mPage->isParserCacheUsed( $parserOptions, $oldid );
wfDebug( 'Article::view using parser cache: ' . ( $useParserCache ? 'yes' : 'no' ) . "\n" );
if ( $wgUser->getStubThreshold() ) {
wfIncrStats( '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( $pass ) {
case 1:
wfRunHooks( 'ArticleViewHeader', array( &$this, &$outputDone, &$useParserCache ) );
break;
case 2:
# Early abort if the page doesn't exist
if ( !$this->mPage->exists() ) {
wfDebug( __METHOD__ . ": showing missing article\n" );
$this->showMissingArticle();
wfProfileOut( __METHOD__ );
/* Wikia change begin - @author: Marcin, #BugId: 30436 */
$text = '';
if (wfRunHooks('ArticleNonExistentPage', array( &$this, $wgOut, &$text))) {
$this->mParserOutput = $wgParser->parse(
$text,
$this->getTitle(),
$parserOptions
);
$wgOut->addParserOutput( $this->mParserOutput );
}
/* Wikia change end */
return;
}
# Try the parser cache
if ( $useParserCache ) {
$this->mParserOutput = $parserCache->get( $this, $parserOptions );
//Wikia Change
Transaction::setAttribute( Transaction::PARAM_PARSER_CACHE_USED, $this->mParserOutput !== false );
//Wikia Change End
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" );
}
$wgOut->addParserOutput( $this->mParserOutput );
// Wikia change - begin - @author: wladek
wfRunHooks('ArticleViewAddParserOutput',array( $this, $this->mParserOutput ) );
// Wikia change - end
# Ensure that UI elements requiring revision ID have
# the correct version information.
$wgOut->setRevisionId( $this->mPage->getLatest() );
# Preload timestamp to avoid a DB hit
$cachedTimestamp = $this->mParserOutput->getTimestamp();
if ( $cachedTimestamp !== null ) {
$wgOut->setRevisionTimestamp( $cachedTimestamp );
$this->mPage->setTimestamp( $cachedTimestamp );
}
$outputDone = true;
}
// Wikia change - begin - @author: wladek
} else {
Transaction::setAttribute( Transaction::PARAM_PARSER_CACHE_USED, false );
// Wikia change - end
}
break;
case 3:
# This will set $this->mRevision if needed
$this->fetchContent();
// Wikia change - begin
// @author macbre
// return status different than HTTP 200 when revision is missing (BAC-630)
if ( !$this->mRevision instanceof Revision ) {
global $wgEnableParserCache;
wfDebug( __METHOD__ . ": no revision found - disabling parser cache and returning 404\n" );
$wgOut->getRequest()->response()->header('X-Missing-Revision: 1', true, 404);
$useParserCache = false;
$wgEnableParserCache = false;
}
// Wikia change - end
# Are we looking at an old revision
if ( $oldid && $this->mRevision ) {
$this->setOldSubtitle( $oldid );
if ( !$this->showDeletedRevisionHeader() ) {
wfDebug( __METHOD__ . ": cannot view deleted revision\n" );
wfProfileOut( __METHOD__ );
return;
}
}
# Ensure that UI elements requiring revision ID have
# the correct version information.
$wgOut->setRevisionId( $this->getRevIdFetched() );
# Preload timestamp to avoid a DB hit
$wgOut->setRevisionTimestamp( $this->getTimestamp() );
# Pages containing custom CSS or JavaScript get special treatment
if ( $this->getTitle()->isCssOrJsPage() || $this->getTitle()->isCssJsSubpage() ) {
wfDebug( __METHOD__ . ": showing CSS/JS source\n" );
$this->showCssOrJsPage();
$outputDone = true;
} elseif( !wfRunHooks( 'ArticleViewCustom', array( $this->mContent, $this->getTitle(), $wgOut ) ) ) {
# Allow extensions do their own custom view for certain pages
$outputDone = true;
} else {
$text = $this->getContent();
$rt = Title::newFromRedirectArray( $text );
if ( $rt ) {
wfDebug( __METHOD__ . ": showing redirect=no page\n" );
# Viewing a redirect page (e.g. with parameter redirect=no)
$wgOut->addHTML( $this->viewRedirect( $rt ) );
# Parse just to get categories, displaytitle, etc.
$this->mParserOutput = $wgParser->parse( $text, $this->getTitle(), $parserOptions );
$wgOut->addParserOutputNoText( $this->mParserOutput );
$outputDone = true;
}
}
break;
case 4:
# Run the parse, protected by a pool counter
wfDebug( __METHOD__ . ": doing uncached parse\n" );
$poolArticleView = new PoolWorkArticleView( $this, $parserOptions,
$this->getRevIdFetched(), $useParserCache, $this->getContent() );
if ( !$poolArticleView->execute() ) {
$error = $poolArticleView->getError();
if ( $error ) {
$wgOut->clearHTML(); // for release() errors
$wgOut->enableClientCache( false );
$wgOut->setRobotPolicy( 'noindex,nofollow' );
$errortext = $error->getWikiText( false, 'view-pool-error' );
$wgOut->addWikiText( '<div class="errorbox">' . $errortext . '</div>' );
}
# Connection or timeout error
wfProfileOut( __METHOD__ );
return;
}
$this->mParserOutput = $poolArticleView->getParserOutput();
$wgOut->addParserOutput( $this->mParserOutput );
// Wikia change - begin - @author: wladek
Transaction::setAttribute( Transaction::PARAM_PARSER_CACHE_USED, $poolArticleView->getIsDirty() );
wfRunHooks('ArticleViewAddParserOutput',array( $this, $this->mParserOutput ) );
// Wikia change - end
# Don't cache a dirty ParserOutput object
if ( $poolArticleView->getIsDirty() ) {
$wgOut->setSquidMaxage( 0 );
$wgOut->addHTML( "<!-- parser cache is expired, sending anyway due to pool overload-->\n" );
}
# <Wikia>
if ( !$poolArticleView->getIsDirty() ) {
wfRunHooks('ArticleViewAfterParser',array( $this, $this->mParserOutput ) );
}
# </Wikia>
$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* 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( $pOutput );
if ($pOutput->getText() == '') {
\Wikia\Logger\WikiaLogger::instance()->error( 'PLATFORM-1212 - empty parser output' );
}
}
# 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
# Wikia change - begin
if ( $this->getTitle()->isMainPage() ) {
// The wiki name and brand name are added to all titles
$wgOut->setHTMLTitle( '' );
}
# Wikia change - end
# Check for any __NOINDEX__ tags on the page using $pOutput
$policy = $this->getRobotPolicy( 'view', $pOutput );
$wgOut->setIndexPolicy( $policy['index'] );
$wgOut->setFollowPolicy( $policy['follow'] );
$this->showViewFooter();
$this->mPage->doViewUpdates( $wgUser );
wfProfileOut( __METHOD__ );
}
/**
* Adjust title for pages with displaytitle, -{T|}- or language conversion
* @param $pOutput ParserOutput
*/
public function adjustDisplayTitle( ParserOutput $pOutput ) {
global $wgOut;
# Adjust the title if it was set by displaytitle, -{T|}- or language conversion
$titleText = $pOutput->getTitleText();
if ( strval( $titleText ) !== '' ) {
$wgOut->setPageTitle( $titleText );
}
}
/**
* 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 $wgRequest, $wgUser;
Transaction::setAttribute( Transaction::PARAM_ACTION, 'diff' ); # Wikia change
$diff = $wgRequest->getVal( 'diff' );
$rcid = $wgRequest->getVal( 'rcid' );
$diffOnly = $wgRequest->getBool( 'diffonly', $wgUser->getGlobalPreference( 'diffonly' ) );
$purge = $wgRequest->getVal( 'action' ) == 'purge';
$unhide = $wgRequest->getInt( 'unhide' ) == 1;
$oldid = $this->getOldID();
$de = new DifferenceEngine( $this->getContext(), $oldid, $diff, $rcid, $purge, $unhide );
// DifferenceEngine directly fetched the revision:
$this->mRevIdFetched = $de->mNewid;
$de->showDiffPage( $diffOnly );
if ( $diff == 0 || $diff == $this->mPage->getLatest() ) {
# Run view updates for current revision only
$this->mPage->doViewUpdates( $wgUser );
}
}
/**
* 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.
*/
protected function showCssOrJsPage() {
global $wgOut;
$dir = $this->getContext()->getLanguage()->getDir();
$lang = $this->getContext()->getLanguage()->getCode();
$wgOut->wrapWikiMsg( "<div id='mw-clearyourcache' lang='$lang' dir='$dir' class='mw-content-$dir'>\n$1\n</div>",
'clearyourcache' );
// Give hooks a chance to customise the output
if ( wfRunHooks( 'ShowRawCssJs', array( $this->mContent, $this->getTitle(), $wgOut ) ) ) {
// Wrap the whole lot in a <pre> and don't parse
$m = array();
preg_match( '!\.(css|js)$!u', $this->getTitle()->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 view
* @param $action String the action= GET parameter
* @param $pOutput ParserOutput
* @return Array the policy that should be set
* TODO: actions other than 'view'
*/
public function getRobotPolicy( $action, $pOutput ) {
global $wgOut, $wgArticleRobotPolicies, $wgNamespaceRobotPolicies;
global $wgDefaultRobotPolicy, $wgRequest;
$ns = $this->getTitle()->getNamespace();
$specialPolicy = array();
wfRunHooks( 'ArticleRobotPolicy', array( &$specialPolicy, $this->getTitle() ) );
if ( !empty($specialPolicy) ) {
return $specialPolicy;
}
if ( $ns == NS_USER || $ns == NS_USER_TALK ) {
# Don't index user and user talk pages for blocked users (bug 11443)
if ( !$this->getTitle()->isSubpage() ) {
if ( Block::newFromTarget( null, $this->getTitle()->getText() ) instanceof Block ) {
return array(
'index' => 'noindex',
'follow' => 'nofollow'
);
}
}
}
if ( $this->mPage->getID() === 0 || $this->getOldID() ) {
# Non-articles (special pages etc), and old revisions
return array(
'index' => 'noindex',
'follow' => 'nofollow'
);
} elseif ( $wgOut->isPrintable() ) {
# Discourage indexing of printable versions, but encourage following
return array(
'index' => 'noindex',
'follow' => 'follow'
);
} elseif ( $wgRequest->getInt( 'curid' ) ) {
# For ?curid=x urls, disallow indexing
return array(
'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,
array( 'index' => $pOutput->getIndexPolicy() )
);
}
if ( isset( $wgArticleRobotPolicies[$this->getTitle()->getPrefixedText()] ) ) {
# (bug 14900) 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 $policy Mixed, 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 array();
}
$policy = explode( ',', $policy );
$policy = array_map( 'trim', $policy );
$arr = array();
foreach ( $policy as $var ) {
if ( in_array( $var, array( 'index', 'noindex' ) ) ) {
$arr['index'] = $var;
} elseif ( in_array( $var, array( 'follow', 'nofollow' ) ) ) {
$arr['follow'] = $var;
}
}
return $arr;
}
/**
* 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.
*
* @return boolean
*/
public function showRedirectedFromHeader() {
global $wgOut, $wgRequest, $wgRedirectSources;
$rdfrom = $wgRequest->getVal( 'rdfrom' );
if ( isset( $this->mRedirectedFrom ) ) {
// This is an internally redirected page view.
// We'll need a backlink to the source page for navigation.
if ( wfRunHooks( 'ArticleViewRedirect', array( &$this ) ) ) {
# start wikia change
global $wgWikiaUseNoFollow;
$redirAttribs = array();
if( !empty( $wgWikiaUseNoFollow ) ) {
$redirAttribs['rel'] = 'nofollow';
}
# end wikia change
$redir = Linker::linkKnown(
$this->mRedirectedFrom,
null,
$redirAttribs,
array( 'redirect' => 'no' )
);
$wgOut->addSubtitle( wfMessage( 'redirectedfrom' )->rawParams( $redir ) );
// Set the fragment if one was specified in the redirect
if ( strval( $this->getTitle()->getFragment() ) != '' ) {
$fragment = Xml::escapeJsString( $this->getTitle()->getFragmentForURL() );
$wgOut->addInlineScript( "redirectToFragment(\"$fragment\");" );
}
/**
* Commented out by christian@wikia-inc.com
* /extensions/wikia/CanonicalHref is used by Wikia to handle redirects and all of these cases:
* http://muppet.wikia.com/wiki/Kermit_the_Frog
* http://muppet.wikia.com/index.php/Kermit_the_Frog
* http://muppet.wikia.com/index.php?title=Kermit_the_Frog
* http://muppet.wikia.com/wiki/Kermit_the_Frog?action=view
*
// Add a <link rel="canonical"> tag
$wgOut->addLink( array( 'rel' => 'canonical',
'href' => $this->getTitle()->getLocalURL() )
);
*/
// Tell $wgOut the user arrived at this article through a redirect
$wgOut->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 );
$wgOut->addSubtitle( wfMessage( 'redirectedfrom' )->rawParams( $redir ) );
return true;
}
}
return false;
}
/**
* Show a header specific to the namespace currently being viewed, like
* [[MediaWiki:Talkpagetext]]. For Article::view().
*/
public function showNamespaceHeader() {
global $wgOut;
if ( $this->getTitle()->isTalkPage() ) {
if ( !wfMessage( 'talkpageheader' )->isDisabled() ) {
$wgOut->wrapWikiMsg( "<div class=\"mw-talkpageheader\">\n$1\n</div>", array( 'talkpageheader' ) );
}
}
}
/**
* Show the footer section of an ordinary page view
*/
public function showViewFooter() {
global $wgOut;
# 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() ) ) {
$wgOut->addWikiMsg( 'anontalkpagetext' );
}
# 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();
wfRunHooks( 'ArticleViewFooter', array( $this ) );
}
/**
* 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() {