begin cleanup on magnus' url upload thingy
[lhc/web/wiklou.git] / includes / Wiki.php
index 3551d48..2166f7c 100644 (file)
@@ -25,10 +25,10 @@ class MediaWiki {
        }
        
        /**
-        * Retieves key/value pairs to circumvent global variables
+        * Retrieves 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];
@@ -36,30 +36,6 @@ class MediaWiki {
                return $default;
        }
        
-       /**
-        * Checks if the wiki is set up at all, or configured but not activated
-        */
-       function checkSetup() {
-               if ( file_exists( './LocalSettings.php' ) ) {
-                       /* LocalSettings exists, commerce normally */
-                       return;
-               }
-               
-               /* LocalSettings is not in the right place, do something */
-               $IP = ".";
-               require_once( 'includes/DefaultSettings.php' ); # used for printing the version
-               $out = file_get_contents( "./setup_message.html" );
-               $out = str_replace( "$1", $wgVersion, $out );
-               if ( file_exists( 'config/LocalSettings.php' ) ) {
-                       $msg = "To complete the installation, move <tt>config/LocalSettings.php</tt> to the parent directory.";
-               } else {
-                       $msg = "Please <a href='config/index.php' title='setup'>setup the wiki</a> first.";
-               }
-               $out = str_replace( "$2", $msg, $out );
-               echo $out ;
-               die();
-       }
-       
        /**
         * Initialization of ... everything
         @return Article either the object to become $wgArticle, or NULL
@@ -75,7 +51,7 @@ class MediaWiki {
                        } elseif( is_string( $article ) ) {
                                $output->redirect( $article );
                        } else {
-                               wfDebugDieBacktrace( "Shouldn't happen: MediaWiki::initializeArticle() returned neither an object nor a URL" );
+                               throw new MWException( "Shouldn't happen: MediaWiki::initializeArticle() returned neither an object nor a URL" );
                        }
                }
                wfProfileOut( 'MediaWiki::initialize' );
@@ -87,7 +63,6 @@ class MediaWiki {
         * Note that $title here is *not* a Title object, but a string!
         */
        function checkInitialQueries( $title,$action,&$output,$request, $lang) {
-               wfProfileIn( 'MediaWiki::checkInitialQueries' );
                if ($request->getVal( 'printable' ) == 'yes') {
                        $output->setPrintable();
                }
@@ -109,7 +84,6 @@ class MediaWiki {
                                $lang->findVariantLink( $title, $ret );
                
                }
-               wfProfileOut( 'MediaWiki::checkInitialQueries' );
                return $ret ;
        }
        
@@ -127,7 +101,7 @@ class MediaWiki {
                        // Do this above the read whitelist check for security...
                        $title = Title::makeTitle( NS_SPECIAL, 'Search' );
                }
-               $this->setVal( "Search", $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
@@ -154,8 +128,9 @@ class MediaWiki {
                        $title = Title::makeTitle( NS_SPECIAL, 'Search' );
                        wfSpecialSearch();
                } else if( !$title or $title->getDBkey() == '' ) {
-                       $title = Title::newFromText( wfMsgForContent( 'badtitle' ) );
-                       $output->errorpage( 'badtitle', 'badtitletext' );
+                       $title = Title::makeTitle( NS_SPECIAL, 'Badtitle' );
+                       # Die now before we mess up $wgArticle and the skin stops working
+                       throw new ErrorPageError( 'badtitle', 'badtitletext' );
                } else if ( $title->getInterwiki() != '' ) {
                        if( $rdfrom = $request->getVal( 'rdfrom' ) ) {
                                $url = $title->getFullURL( 'rdfrom=' . urlencode( $rdfrom ) );
@@ -166,8 +141,8 @@ class MediaWiki {
                        if ( !preg_match( '/^' . preg_quote( $this->getVal('Server'), '/' ) . '/', $url ) && $title->isLocal() ) {
                                $output->redirect( $url );
                        } else {
-                               $title = Title::newFromText( wfMsgForContent( 'badtitle' ) );
-                               $output->errorpage( 'badtitle', 'badtitletext' );
+                               $title = Title::makeTitle( NS_SPECIAL, 'Badtitle' );
+                               throw new ErrorPageError( 'badtitle', 'badtitletext' );
                        }
                } else if ( ( $action == 'view' ) &&
                        (!isset( $this->GET['title'] ) || $title->getPrefixedDBKey() != $this->GET['title'] ) &&
@@ -202,10 +177,8 @@ class MediaWiki {
        
                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 );
@@ -221,28 +194,43 @@ class MediaWiki {
         * @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' ) {
-                       $target = $article->followRedirect();
-                       if( is_string( $target ) ) {
-                               global $wgDisableHardRedirects;
-                               if( !$wgDisableHardRedirects ) {
-                                       // we'll need to redirect
-                                       return $target;
+               if( $action == 'view' && !$request->getVal( 'oldid' ) &&
+                                               $request->getVal( 'redirect' ) != 'no' ) {
+                                                       
+                       $dbr =& wfGetDB(DB_SLAVE);
+                       $article->loadPageData($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;
+                                       }
                                }
-                       }
-                       if( is_object( $target ) ) {
-                               // evil globals hack!
-                               global $wgTitle;
-                               $wgTitle = $target;
-                               
-                               $article = $this->articleFromTitle( $target );
-                               $article->setRedirectedFrom( $title );
+                               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 = $article->mTitle;
                        }
                }
                wfProfileOut( 'MediaWiki::initializeArticle' );
@@ -255,6 +243,7 @@ class MediaWiki {
        function finalCleanup ( &$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();
@@ -272,15 +261,48 @@ class MediaWiki {
                foreach( $updates as $up ) {
                        $up->doUpdate();
                }
-               wfProfileOut( 'MediaWiki::doUpdates' );         
+               wfProfileOut( 'MediaWiki::doUpdates' );
+       }
+
+       /**
+        * Do a job from the job queue
+        */
+       function doJobs() {
+               global $wgJobRunRate;
+               
+               if ( $wgJobRunRate <= 0 || wfReadOnly() ) {
+                       return;
+               }
+               if ( $wgJobRunRate < 1 ) {
+                       $max = mt_getrandmax();
+                       if ( mt_rand( 0, $max ) > $max * $wgJobRunRate ) {
+                               return;
+                       }
+                       $n = 1;
+               } else {
+                       $n = intval( $wgJobRunRate );
+               }
+
+               while ( $n-- && false != ($job = Job::pop())) {
+                       $output = $job->toString() . "\n";
+                       $t = -wfTime();
+                       $success = $job->run();
+                       $t += wfTime();
+                       $t = round( $t*1000 );
+                       if ( !$success ) {
+                               $output .= "Error: " . $job->getLastError() . ", Time: $t ms\n";
+                       } else {
+                               $output .= "Success, Time: $t ms\n";
+                       }
+                       wfDebugLog( 'jobqueue', $output );
+               }
        }
        
        /**
         * Ends this task peacefully
         */
        function restInPeace ( &$loadBalancer ) {
-               wfProfileClose();
-               logProfilingData();
+               wfLogProfilingData();
                $loadBalancer->closeAll();
                wfDebug( "Request ended normally\n" );
        }
@@ -295,7 +317,7 @@ class MediaWiki {
                $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 ) {
@@ -312,7 +334,6 @@ class MediaWiki {
                        case 'unprotect':
                        case 'info':
                        case 'markpatrolled':
-                       case 'validate':
                        case 'render':
                        case 'deletetrackback':
                        case 'purge':
@@ -354,11 +375,9 @@ class MediaWiki {
                                $oldid = $request->getVal( 'oldid' );
                                if( !$this->getVal( 'UseExternalEditor' ) || $action=='submit' || $internal ||
                                   $section || $oldid || ( !$user->getOption( 'externaleditor' ) && !$external ) ) {
-                                       require_once( 'includes/EditPage.php' );
                                        $editor = new EditPage( $article );
                                        $editor->submit();
                                } elseif( $this->getVal( 'UseExternalEditor' ) && ( $external || $user->getOption( 'externaleditor' ) ) ) {
-                                       require_once( 'includes/ExternalEdit.php' );
                                        $mode = $request->getVal( 'mode' );
                                        $extedit = new ExternalEdit( $article, $mode );
                                        $extedit->edit();
@@ -368,25 +387,23 @@ class MediaWiki {
                                if( $_SERVER['REQUEST_URI'] == $title->getInternalURL( 'action=history' ) ) {
                                        $output->setSquidMaxage( $this->getVal( 'SquidMaxage' ) );
                                }
-                               require_once( 'includes/PageHistory.php' );
                                $history = new PageHistory( $article );
                                $history->history();
                                break;
                        case 'raw':
-                               require_once( 'includes/RawPage.php' );
                                $raw = new RawPage( $article );
                                $raw->view();
                                break;
                        default:
                                if( wfRunHooks( 'UnknownAction', array( $action, $article ) ) ) {
-                                       $output->errorpage( 'nosuchaction', 'nosuchactiontext' );
+                                       $output->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
                                }
+               }
                wfProfileOut( 'MediaWiki::performAction' );
-       }
 
        
        }
 
 }; /* End of class MediaWiki */
 
-?>
\ No newline at end of file
+?>