-<?
+<?php
+/**
+ * MediaWiki is the to-be base class for this whole project
+ */
-#__________________________
-#wiki class
+class MediaWiki {
-class MediaWikiType {
+ var $GET; /* Stores the $_GET variables at time of creation, can be changed */
+ var $params = array();
- var $mSearch ;
+ /**
+ * Constructor
+ */
+ function MediaWiki () {
+ $this->GET = $_GET;
+ }
/**
- * Constuctor
- */
- function MediaWikiType () {
- OutputPage::setEncodings(); # Not really used yet
-
- $this->main_setup () ;
- $this->check_search () ;
- $this->check_user_read () ;
- $this->main_action () ;
- $this->main_updates () ;
- $this->main_cleanup () ;
+ * Stores key/value pairs to circumvent global variables
+ * Note that keys are case-insensitive!
+ */
+ function setVal( $key, &$value ) {
+ $key = strtolower( $key );
+ $this->params[$key] =& $value;
}
- function check_search () {
- global $wgRequest , $wgTitle ;
- $this->mSearch = $wgRequest->getText( 'search' );
- if( !is_null( $this->mSearch ) && $this->mSearch !== '' ) {
- // Compatibility with old search URLs which didn't use Special:Search
- // Do this above the read whitelist check for security...
- $wgTitle = Title::makeTitle( NS_SPECIAL, 'Search' );
+ /**
+ * Retrieves key/value pairs to circumvent global variables
+ * Note that keys are case-insensitive!
+ */
+ function getVal( $key, $default = '' ) {
+ $key = strtolower( $key );
+ if( isset( $this->params[$key] ) ) {
+ return $this->params[$key];
}
+ return $default;
}
- function check_user_read () {
- global $wgTitle , $wgOut ;
- # 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( $wgTitle ) && !$wgTitle->userCanRead() ) {
- $wgOut->loginToUse();
- $wgOut->output();
- exit;
+ /**
+ * Initialization of ... everything
+ @return Article either the object to become $wgArticle, or NULL
+ */
+ function initialize ( &$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 );
+ if( is_object( $article ) ) {
+ $this->performAction( $output, $article, $title, $user, $request );
+ } elseif( is_string( $article ) ) {
+ $output->redirect( $article );
+ } else {
+ throw new MWException( "Shouldn't happen: MediaWiki::initializeArticle() returned neither an object nor a URL" );
+ }
}
+ wfProfileOut( 'MediaWiki::initialize' );
+ return $article;
}
-
- function main_setup () {
- global $wgRequest , $wgOut , $wgTitle , $wgContLang ;
- global $action , $title ;
- wfProfileIn( 'main-misc-setup' );
+ /**
+ * 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();
+ }
- # Query string fields
- $action = $wgRequest->getVal( 'action', 'view' );
- $title = $wgRequest->getVal( 'title' );
+ $ret = NULL ;
- if ($wgRequest->getVal( 'printable' ) == 'yes') {
- $wgOut->setPrintable();
- }
if ( '' == $title && 'delete' != $action ) {
- $wgTitle = Title::newFromText( wfMsgForContent( 'mainpage' ) );
- } elseif ( $curid = $wgRequest->getInt( 'curid' ) ) {
+ $ret = Title::newFromText( wfMsgForContent( 'mainpage' ) );
+ } elseif ( $curid = $request->getInt( 'curid' ) ) {
# URLs like this are generated by RC, because rc_title isn't always accurate
- $wgTitle = Title::newFromID( $curid );
+ $ret = Title::newFromID( $curid );
} else {
- $wgTitle = Title::newFromURL( $title );
+ $ret = Title::newFromURL( $title );
/* check variant links so that interwiki links don't have to worry about
- the possible different language variants
+ the possible different language variants
*/
- if( count($wgContLang->getVariants()) > 1 && !is_null($wgTitle) && $wgTitle->getArticleID() == 0 )
- $wgContLang->findVariantLink( $title, $wgTitle );
+ if( count($lang->getVariants()) > 1 && !is_null($ret) && $ret->getArticleID() == 0 )
+ $lang->findVariantLink( $title, $ret );
}
- wfProfileOut( 'main-misc-setup' );
+ return $ret ;
}
- function main_updates () {
- # 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.
- wfProfileIn( 'main-updates' );
- global $wgDeferredUpdateList ;
- foreach ( $wgDeferredUpdateList as $up ) {
- $up->doUpdate();
- }
- wfProfileOut( 'main-updates' );
- }
+ /**
+ * Checks for search query and anon-cannot-read case
+ */
+ function preliminaryChecks ( &$title, &$output, $request ) {
- function main_cleanup () {
- global $wgLoadBalancer , $wgOut , $wgPostCommitUpdateList ;
- wfProfileIn( 'main-cleanup' );
- $wgLoadBalancer->saveMasterPos();
+ # Debug statement for user levels
+ // print_r($wgUser);
- # Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
- $wgLoadBalancer->commitAll();
-
- $wgOut->output();
-
- foreach ( $wgPostCommitUpdateList as $up ) {
- $up->doUpdate();
+ $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;
}
- wfProfileOut( 'main-cleanup' );
}
+
+ /**
+ * Initialize the object to be known as $wgArticle for special cases
+ */
+ function initializeSpecialCases ( &$title, &$output, $request ) {
- function main_action () {
- global $wgTitle , $wgArticle , $wgRequest , $wgOut , $wgServer ;
- global $wgDisableInternalSearch , $wgUseCategoryMagic , $wgDisabledActions , $action ;
- wfProfileIn( 'main-action' );
-
- if( !$wgDisableInternalSearch && !is_null( $this->mSearch ) && $this->mSearch !== '' ) {
+ wfProfileIn( 'MediaWiki::initializeSpecialCases' );
+
+ $search = $this->getVal('Search');
+ $action = $this->getVal('Action');
+ if( !$this->getVal('DisableInternalSearch') && !is_null( $search ) && $search !== '' ) {
require_once( 'includes/SpecialSearch.php' );
- $wgTitle = Title::makeTitle( NS_SPECIAL, 'Search' );
+ $title = Title::makeTitle( NS_SPECIAL, 'Search' );
wfSpecialSearch();
- } else if( !$wgTitle or $wgTitle->getDBkey() == '' ) {
- $wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
- $wgOut->errorpage( 'badtitle', 'badtitletext' );
- } else if ( $wgTitle->getInterwiki() != '' ) {
- if( $rdfrom = $wgRequest->getVal( 'rdfrom' ) ) {
- $url = $wgTitle->getFullURL( 'rdfrom=' . urlencode( $rdfrom ) );
+ } else if( !$title or $title->getDBkey() == '' ) {
+ $title = Title::newFromText( wfMsgForContent( '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 ) );
} else {
- $url = $wgTitle->getFullURL();
+ $url = $title->getFullURL();
}
- # Check for a redirect loop
- if ( !preg_match( '/^' . preg_quote( $wgServer, '/' ) . '/', $url ) && $wgTitle->isLocal() ) {
- $wgOut->redirect( $url );
+ /* Check for a redirect loop */
+ if ( !preg_match( '/^' . preg_quote( $this->getVal('Server'), '/' ) . '/', $url ) && $title->isLocal() ) {
+ $output->redirect( $url );
} else {
- $wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
- $wgOut->errorpage( 'badtitle', 'badtitletext' );
+ $title = Title::newFromText( wfMsgForContent( 'badtitle' ) );
+ throw new ErrorPageError( 'badtitle', 'badtitletext' );
}
} else if ( ( $action == 'view' ) &&
- (!isset( $_GET['title'] ) || $wgTitle->getPrefixedDBKey() != $_GET['title'] ) &&
- !count( array_diff( array_keys( $_GET ), array( 'action', 'title' ) ) ) )
+ (!isset( $this->GET['title'] ) || $title->getPrefixedDBKey() != $this->GET['title'] ) &&
+ !count( array_diff( array_keys( $this->GET ), array( 'action', 'title' ) ) ) )
{
- /* redirect to canonical url, make it a 301 to allow caching */
- $wgOut->setSquidMaxage( 1200 );
- $wgOut->redirect( $wgTitle->getFullURL(), '301');
- } else if ( NS_SPECIAL == $wgTitle->getNamespace() ) {
- # actions that need to be made when we have a special pages
- SpecialPage::executePath( $wgTitle );
+ /* Redirect to canonical url, make it a 301 to allow caching */
+ $output->setSquidMaxage( 1200 );
+ $output->redirect( $title->getFullURL(), '301');
+ } else if ( NS_SPECIAL == $title->getNamespace() ) {
+ /* actions that need to be made when we have a special pages */
+ SpecialPage::executePath( $title );
} else {
- if ( NS_MEDIA == $wgTitle->getNamespace() ) {
- $wgTitle = Title::makeTitle( NS_IMAGE, $wgTitle->getDBkey() );
- }
+ /* No match to special cases */
+ wfProfileOut( 'MediaWiki::initializeSpecialCases' );
+ return false;
+ }
+ /* Did match a special case */
+ wfProfileOut( 'MediaWiki::initializeSpecialCases' );
+ return true;
+ }
+
+ /**
+ * Create an Article object of the appropriate class for the given page.
+ * @param Title $title
+ * @return Article
+ */
+ function articleFromTitle( $title ) {
+ if( NS_MEDIA == $title->getNamespace() ) {
+ // FIXME: where should this go?
+ $title = Title::makeTitle( NS_IMAGE, $title->getDBkey() );
+ }
+
+ switch( $title->getNamespace() ) {
+ case NS_IMAGE:
+ return new ImagePage( $title );
+ case NS_CATEGORY:
+ return new CategoryPage( $title );
+ default:
+ return new Article( $title );
+ }
+ }
+
+ /**
+ * 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' );
- $ns = $wgTitle->getNamespace();
+ $action = $this->getVal('Action');
+ $article = $this->articleFromTitle( $title );
- // Namespace might change when using redirects
- if($action == 'view' && !$wgRequest->getVal( 'oldid' ) ) {
- $wgArticle = new Article( $wgTitle );
- $rTitle = Title::newFromRedirect( $wgArticle->fetchContent() );
- if($rTitle) {
- # Reload from the page pointed to later
- $wgArticle->mContentLoaded = false;
- $ns = $rTitle->getNamespace();
- }
- }
-
- // Categories and images are handled by a different class
- if ( $ns == NS_IMAGE ) {
- unset($wgArticle);
- require_once( 'includes/ImagePage.php' );
- $wgArticle = new ImagePage( $wgTitle );
- } elseif ( $wgUseCategoryMagic && $ns == NS_CATEGORY ) {
- unset($wgArticle);
- require_once( 'includes/CategoryPage.php' );
- $wgArticle = new CategoryPage( $wgTitle );
- }
+ // Namespace might change when using redirects
+ if( $action == 'view' && !$request->getVal( 'oldid' ) &&
+ $request->getVal( 'redirect' ) != 'no' ) {
+
+ $dbr =& wfGetDB(DB_SLAVE);
+ $article->loadPageData($article->pageDataFromTitle($dbr, $title));
- if ( in_array( $action, $wgDisabledActions ) ) {
- $wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
- } else {
- $act = 'act_' . $action ;
- if ( method_exists ( $this , $act ) ) {
- $this->$act ( $action ) ;
- } else {
- $this->action_unknown ( $action ) ;
+ /* Follow redirects only for... redirects */
+ if ($article->mIsRedirect) {
+ $target = $article->followRedirect();
+ if( is_string( $target ) ) {
+ global $wgDisableHardRedirects;
+ if( !$wgDisableHardRedirects ) {
+ // we'll need to redirect
+ return $target;
+ }
}
+ if( is_object( $target ) ) {
+ /* 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( 'main-action' );
+ wfProfileOut( 'MediaWiki::initializeArticle' );
+ return $article;
}
-#____________________________________________________________________________________
-#Action methods
-
- function act_view ( $action ) {
- global $wgOut , $wgSquidMaxage , $wgArticle ;
- $wgOut->setSquidMaxage( $wgSquidMaxage );
- $wgArticle->view();
- }
-
- function act_print ( $action ) {
- global $wgArticle ;
- $wgArticle->view () ;
+ /**
+ * Cleaning up by doing deferred updates, calling loadbalancer and doing the output
+ */
+ function finalCleanup ( &$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' );
}
-
- function act_dublincore ( $action ) {
- global $wgArticle , $wgEnableDublinCoreRdf ;
- if( !$wgEnableDublinCoreRdf ) {
- wfHttpError( 403, 'Forbidden', wfMsg( 'nodublincore' ) );
- } else {
- require_once( 'includes/Metadata.php' );
- wfDublinCoreRdf( $wgArticle );
+
+ /**
+ * Deferred updates aren't really deferred anymore. It's important to report errors to the
+ * user, and that means doing this before OutputPage::output(). Note that for page saves,
+ * the client will wait until the script exits anyway before following the redirect.
+ */
+ function doUpdates ( &$updates ) {
+ wfProfileIn( 'MediaWiki::doUpdates' );
+ foreach( $updates as $up ) {
+ $up->doUpdate();
}
+ wfProfileOut( 'MediaWiki::doUpdates' );
}
-
- function act_creativecommons ( $action ) {
- global $wgArticle , $wgEnableCreativeCommonsRdf ;
- if( !$wgEnableCreativeCommonsRdf ) {
- wfHttpError( 403, 'Forbidden', wfMsg('nocreativecommons') );
+
+ /**
+ * 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 {
- require_once( 'includes/Metadata.php' );
- wfCreativeCommonsRdf( $wgArticle );
+ $n = intval( $wgJobRunRate );
}
- }
-
- function act_credits ( $action ) {
- global $wgArticle ;
- require_once( 'includes/Credits.php' );
- showCreditsPage( $wgArticle );
- }
-
- function act_submit ( $action ) {
- global $wgCommandLineMode , $wgRequest ;
- if( !$wgCommandLineMode && !$wgRequest->checkSessionCookie() ) {
- # Send a cookie so anons get talk message notifications
- User::SetupSession();
+
+ 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 );
+ }
}
- $this->act_edit ( $action ) ;
}
- function act_edit ( $action ) {
- global $wgRequest , $wgUseExternalEditor , $wgUser , $wgArticle ;
- $internal = $wgRequest->getVal( 'internaledit' );
- $external = $wgRequest->getVal( 'externaledit' );
- $section = $wgRequest->getVal( 'section' );
- $oldid = $wgRequest->getVal( 'oldid' );
- if(!$wgUseExternalEditor || $action=='submit' || $internal ||
- $section || $oldid || (!$wgUser->getOption('externaleditor') && !$external)) {
- require_once( 'includes/EditPage.php' );
- $editor = new EditPage( $wgArticle );
- $editor->submit();
- } elseif($wgUseExternalEditor && ($external || $wgUser->getOption('externaleditor'))) {
- require_once( 'includes/ExternalEdit.php' );
- $mode = $wgRequest->getVal( 'mode' );
- $extedit = new ExternalEdit( $wgArticle, $mode );
- $extedit->edit();
- }
+ /**
+ * Ends this task peacefully
+ */
+ function restInPeace ( &$loadBalancer ) {
+ wfProfileClose();
+ logProfilingData();
+ $loadBalancer->closeAll();
+ wfDebug( "Request ended normally\n" );
}
-
- function act_history ( $action ) {
- global $wgTitle , $wgArticle , $wgSquidMaxage ;
- if ($_SERVER['REQUEST_URI'] == $wgTitle->getInternalURL('action=history')) {
- $wgOut->setSquidMaxage( $wgSquidMaxage );
+
+ /**
+ * Perform one of the "standard" actions
+ */
+ function performAction( &$output, &$article, &$title, &$user, &$request ) {
+
+ wfProfileIn( 'MediaWiki::performAction' );
+
+ $action = $this->getVal('Action');
+ if( in_array( $action, $this->getVal('DisabledActions',array()) ) ) {
+ /* No such action; this will switch to the default case */
+ $action = 'nosuchaction';
}
- require_once( 'includes/PageHistory.php' );
- $history = new PageHistory( $wgArticle );
- $history->history();
- }
-
- function act_raw ( $action ) {
- global $wgArticle ;
- require_once( 'includes/RawPage.php' );
- $raw = new RawPage( $wgArticle );
- $raw->view();
- }
-
-
- function action_unknown ( $action ) {
- global $wgArticle , $wgOut ;
- if (wfRunHooks('UnknownAction', array($action, $wgArticle))) {
- $wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
+
+ switch( $action ) {
+ case 'view':
+ $output->setSquidMaxage( $this->getVal( 'SquidMaxage' ) );
+ $article->view();
+ break;
+ case 'watch':
+ case 'unwatch':
+ case 'delete':
+ case 'revert':
+ case 'rollback':
+ case 'protect':
+ case 'unprotect':
+ case 'info':
+ case 'markpatrolled':
+ case 'render':
+ case 'deletetrackback':
+ case 'purge':
+ $article->$action();
+ break;
+ case 'print':
+ $article->view();
+ break;
+ case 'dublincore':
+ if( !$this->getVal( 'EnableDublinCoreRdf' ) ) {
+ wfHttpError( 403, 'Forbidden', wfMsg( 'nodublincore' ) );
+ } else {
+ require_once( 'includes/Metadata.php' );
+ wfDublinCoreRdf( $article );
+ }
+ break;
+ case 'creativecommons':
+ if( !$this->getVal( 'EnableCreativeCommonsRdf' ) ) {
+ wfHttpError( 403, 'Forbidden', wfMsg( 'nocreativecommons' ) );
+ } else {
+ require_once( 'includes/Metadata.php' );
+ wfCreativeCommonsRdf( $article );
+ }
+ break;
+ case 'credits':
+ require_once( 'includes/Credits.php' );
+ showCreditsPage( $article );
+ break;
+ case 'submit':
+ if( !$this->getVal( 'CommandLineMode' ) && !$request->checkSessionCookie() ) {
+ /* Send a cookie so anons get talk message notifications */
+ User::SetupSession();
+ }
+ /* Continue... */
+ case 'edit':
+ $internal = $request->getVal( 'internaledit' );
+ $external = $request->getVal( 'externaledit' );
+ $section = $request->getVal( 'section' );
+ $oldid = $request->getVal( 'oldid' );
+ if( !$this->getVal( 'UseExternalEditor' ) || $action=='submit' || $internal ||
+ $section || $oldid || ( !$user->getOption( 'externaleditor' ) && !$external ) ) {
+ $editor = new EditPage( $article );
+ $editor->submit();
+ } elseif( $this->getVal( 'UseExternalEditor' ) && ( $external || $user->getOption( 'externaleditor' ) ) ) {
+ $mode = $request->getVal( 'mode' );
+ $extedit = new ExternalEdit( $article, $mode );
+ $extedit->edit();
+ }
+ break;
+ case 'history':
+ if( $_SERVER['REQUEST_URI'] == $title->getInternalURL( 'action=history' ) ) {
+ $output->setSquidMaxage( $this->getVal( 'SquidMaxage' ) );
+ }
+ $history = new PageHistory( $article );
+ $history->history();
+ break;
+ case 'raw':
+ $raw = new RawPage( $article );
+ $raw->view();
+ break;
+ default:
+ if( wfRunHooks( 'UnknownAction', array( $action, $article ) ) ) {
+ $output->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
+ }
}
- }
-
-
- function act_watch ( $action ) { $this->article_action ( $action ) ; }
- function act_unwatch ( $action ) { $this->article_action ( $action ) ; }
- function act_delete ( $action ) { $this->article_action ( $action ) ; }
- function act_revert ( $action ) { $this->article_action ( $action ) ; }
- function act_rollback ( $action ) { $this->article_action ( $action ) ; }
- function act_protect ( $action ) { $this->article_action ( $action ) ; }
- function act_unprotect ( $action ) { $this->article_action ( $action ) ; }
- function act_info ( $action ) { $this->article_action ( $action ) ; }
- function act_markpatrolled ( $action ) { $this->article_action ( $action ) ; }
- function act_validate ( $action ) { $this->article_action ( $action ) ; }
- function act_render ( $action ) { $this->article_action ( $action ) ; }
- function act_deletetrackback ( $action ) { $this->article_action ( $action ) ; }
- function act_purge ( $action ) { $this->article_action ( $action ) ; }
+ wfProfileOut( 'MediaWiki::performAction' );
- function article_action ( $action ) {
- global $wgArticle ;
- $wgArticle->$action() ;
+
}
-
-} ; # end of class MediaWikiType
+}; /* End of class MediaWiki */
?>
-