* Retieves key/value pairs to circumvent global variables
* Note that keys are case-insensitive!
*/
- function getVal( $key, $default = "" ) {
+ function getVal( $key, $default = '' ) {
$key = strtolower( $key );
if( isset( $this->params[$key] ) ) {
return $this->params[$key];
* Initialization of ... everything
@return Article either the object to become $wgArticle, or NULL
*/
- function initialize ( &$title, &$output, &$user, $request ) {
+ function initialize ( &$title, &$output, &$user, $request) {
wfProfileIn( 'MediaWiki::initialize' );
+ $this->preliminaryChecks ( $title, $output, $request ) ;
$article = NULL;
if ( !$this->initializeSpecialCases( $title, $output, $request ) ) {
$article = $this->initializeArticle( $title, $request );
- $this->performAction( $output, $article, $title, $user, $request );
+ if( is_object( $article ) ) {
+ $this->performAction( $output, $article, $title, $user, $request );
+ } elseif( is_string( $article ) ) {
+ $output->redirect( $article );
+ } else {
+ wfDebugDieBacktrace( "Shouldn't happen: MediaWiki::initializeArticle() returned neither an object nor a URL" );
+ }
}
wfProfileOut( 'MediaWiki::initialize' );
return $article;
}
+ /**
+ * Checks some initial queries
+ * Note that $title here is *not* a Title object, but a string!
+ */
+ function checkInitialQueries( $title,$action,&$output,$request, $lang) {
+ if ($request->getVal( 'printable' ) == 'yes') {
+ $output->setPrintable();
+ }
+
+ $ret = NULL ;
+
+
+ if ( '' == $title && 'delete' != $action ) {
+ $ret = Title::newFromText( wfMsgForContent( 'mainpage' ) );
+ } elseif ( $curid = $request->getInt( 'curid' ) ) {
+ # URLs like this are generated by RC, because rc_title isn't always accurate
+ $ret = Title::newFromID( $curid );
+ } else {
+ $ret = Title::newFromURL( $title );
+ /* check variant links so that interwiki links don't have to worry about
+ the possible different language variants
+ */
+ if( count($lang->getVariants()) > 1 && !is_null($ret) && $ret->getArticleID() == 0 )
+ $lang->findVariantLink( $title, $ret );
+
+ }
+ return $ret ;
+ }
+
+ /**
+ * Checks for search query and anon-cannot-read case
+ */
+ function preliminaryChecks ( &$title, &$output, $request ) {
+
+ # Debug statement for user levels
+ // print_r($wgUser);
+
+ $search = $request->getText( 'search' );
+ if( !is_null( $search ) && $search !== '' ) {
+ // Compatibility with old search URLs which didn't use Special:Search
+ // Do this above the read whitelist check for security...
+ $title = Title::makeTitle( NS_SPECIAL, 'Search' );
+ }
+ $this->setVal( 'Search', $search );
+
+ # If the user is not logged in, the Namespace:title of the article must be in
+ # the Read array in order for the user to see it. (We have to check here to
+ # catch special pages etc. We check again in Article::view())
+ if ( !is_null( $title ) && !$title->userCanRead() ) {
+ $output->loginToUse();
+ $output->output();
+ exit;
+ }
+
+ }
+
/**
* Initialize the object to be known as $wgArticle for special cases
*/
}
/**
- * Initialize the object to be known as $wgArticle for "standard" actions
+ * Create an Article object of the appropriate class for the given page.
+ * @param Title $title
+ * @return Article
*/
- function initializeArticle( &$title, $request ) {
-
- wfProfileIn( 'MediaWiki::initializeArticle' );
-
- $action = $this->getVal('Action');
-
+ function articleFromTitle( $title ) {
if( NS_MEDIA == $title->getNamespace() ) {
+ // FIXME: where should this go?
$title = Title::makeTitle( NS_IMAGE, $title->getDBkey() );
}
- $ns = $title->getNamespace();
+ switch( $title->getNamespace() ) {
+ case NS_IMAGE:
+ require_once( 'includes/ImagePage.php' );
+ return new ImagePage( $title );
+ case NS_CATEGORY:
+ require_once( 'includes/CategoryPage.php' );
+ return new CategoryPage( $title );
+ default:
+ return new Article( $title );
+ }
+ }
- /* Namespace might change when using redirects */
- $article = new Article( $title );
- if( $action == 'view' && !$request->getVal( 'oldid' ) ) {
- $rTitle = Title::newFromRedirect( $article->fetchContent() );
- if( $rTitle ) {
- /* Reload from the page pointed to later */
- $article->mContentLoaded = false;
- $ns = $rTitle->getNamespace();
- $wasRedirected = true;
+ /**
+ * Initialize the object to be known as $wgArticle for "standard" actions
+ * Create an Article object for the page, following redirects if needed.
+ * @param Title $title
+ * @param Request $request
+ * @param string $action
+ * @return mixed an Article, or a string to redirect to another URL
+ */
+ function initializeArticle( $title, $request ) {
+ global $wgTitle;
+ wfProfileIn( 'MediaWiki::initializeArticle' );
+
+ $action = $this->getVal('Action');
+ $article = $this->articleFromTitle( $title );
+
+ // Namespace might change when using redirects
+ if( $action == 'view' && !$request->getVal( 'oldid' ) &&
+ $request->getVal( 'redirect' ) != 'no' ) {
+ $dbr=&wfGetDB(DB_SLAVE);
+
+ // If we don't check for existance we'll get "Trying to get
+ // property of non-object" E_NOTICE in Article::loadPageData() when
+ // viewing a page that does not exist
+ if ( $article->exists() ) {
+ $article->loadPageData($article->pageDataFromTitle($dbr,$title));
+ }
+
+ /* Follow redirects only for... redirects */
+ if ($article->mIsRedirect) {
+ $target = $article->followRedirect();
+ if( is_string( $target ) ) {
+ global $wgDisableHardRedirects;
+ if( !$wgDisableHardRedirects ) {
+ // we'll need to redirect
+ return $target;
+ }
}
- }
-
- /* Categories and images are handled by a different class */
- if( $ns == NS_IMAGE ) {
- $b4 = $title->getPrefixedText();
- unset( $article );
- require_once( 'includes/ImagePage.php' );
- $article = new ImagePage( $title );
- if( isset( $wasRedirected ) && $request->getVal( 'redirect' ) != 'no' ) {
- $article->mTitle = $rTitle;
- $article->mRedirectedFrom = $b4;
+ if( is_object( $target ) ) {
+ /* Rewrite environment to redirected article */
+ $rarticle = $this->articleFromTitle($target);
+ $rarticle->loadPageData($rarticle->pageDataFromTitle($dbr,$target));
+ if ($rarticle->mTitle->mArticleID) {
+ $article = $rarticle;
+ $wgTitle = $target;
+ $article->setRedirectedFrom( $title );
+ } else {
+ $wgTitle = $title;
+ }
+ }
+ } else {
+ $wgTitle = $article->mTitle;
}
- } elseif( $ns == NS_CATEGORY ) {
- unset( $article );
- require_once( 'includes/CategoryPage.php' );
- $article = new CategoryPage( $title );
}
wfProfileOut( 'MediaWiki::initializeArticle' );
return $article;
}
+ /**
+ * Cleaning up by doing deferred updates, calling loadbalancer and doing the output
+ */
+ function finalCleanup ( &$deferredUpdates, &$loadBalancer, &$output ) {
+ wfProfileIn( 'MediaWiki::finalCleanup' );
+ $this->doUpdates( $deferredUpdates );
+ $this->doJobs();
+ $loadBalancer->saveMasterPos();
+ # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
+ $loadBalancer->commitAll();
+ $output->output();
+ wfProfileOut( 'MediaWiki::finalCleanup' );
+ }
+
+ /**
+ * Deferred updates aren't really deferred anymore. It's important to report errors to the
+ * user, and that means doing this before OutputPage::output(). Note that for page saves,
+ * the client will wait until the script exits anyway before following the redirect.
+ */
+ function doUpdates ( &$updates ) {
+ wfProfileIn( 'MediaWiki::doUpdates' );
+ foreach( $updates as $up ) {
+ $up->doUpdate();
+ }
+ wfProfileOut( 'MediaWiki::doUpdates' );
+ }
+
+ /**
+ * Do a job from the job queue
+ */
+ function doJobs() {
+ global $wgJobLogFile, $wgJobRunRate;
+
+ if ( $wgJobRunRate <= 0 ) {
+ return;
+ }
+ if ( $wgJobRunRate < 1 ) {
+ $max = mt_getrandmax();
+ if ( mt_rand( 0, $max ) > $max * $wgJobRunRate ) {
+ return;
+ }
+ $n = 1;
+ } else {
+ $n = intval( $wgJobRunRate );
+ }
+
+ require_once( 'JobQueue.php' );
+
+ while ( $n-- && false != ($job = Job::pop())) {
+ $output = $job->toString() . "\n";
+ if ( !$job->run() ) {
+ $output .= "Error: " . $job->getLastError() . "\n";
+ }
+ if ( $wgJobLogFile ) {
+ error_log( $output, 3, $wgJobLogFile );
+ }
+ }
+ }
+
+ /**
+ * Ends this task peacefully
+ */
+ function restInPeace ( &$loadBalancer ) {
+ wfProfileClose();
+ logProfilingData();
+ $loadBalancer->closeAll();
+ wfDebug( "Request ended normally\n" );
+ }
+
/**
* Perform one of the "standard" actions
*/
$action = $this->getVal('Action');
if( in_array( $action, $this->getVal('DisabledActions',array()) ) ) {
/* No such action; this will switch to the default case */
- $action = "nosuchaction";
+ $action = 'nosuchaction';
}
switch( $action ) {
if( wfRunHooks( 'UnknownAction', array( $action, $article ) ) ) {
$output->errorpage( 'nosuchaction', 'nosuchactiontext' );
}
+ }
wfProfileOut( 'MediaWiki::performAction' );
- }
+
}
}; /* End of class MediaWiki */
?>
-