<?php
/**
* MediaWiki is the to-be base class for this whole project
+ *
+ * @internal documentation reviewed 15 Mar 2010
*/
class MediaWiki {
- var $GET; /* Stores the $_GET variables at time of creation, can be changed */
- var $params = array();
-
- /** Constructor. It just save the $_GET variable */
- function __construct() {
- $this->GET = $_GET;
- }
-
/**
- * Stores key/value pairs to circumvent global variables
- * Note that keys are case-insensitive!
- *
- * @param $key String: key to store
- * @param $value Mixed: value to put for the key
+ * TODO: fold $output, etc, into this
+ * @var RequestContext
*/
- function setVal( $key, &$value ) {
- $key = strtolower( $key );
- $this->params[$key] =& $value;
- }
+ private $context;
- /**
- * Retrieves key/value pairs to circumvent global variables
- * Note that keys are case-insensitive!
- *
- * @param $key String: key to get
- * @param $default Mixed: default value if if the key doesn't exist
- */
- function getVal( $key, $default = '' ) {
- $key = strtolower( $key );
- if( isset( $this->params[$key] ) ) {
- return $this->params[$key];
- }
- return $default;
+ public function request( WebRequest $x = null ){
+ $this->context->setRequest( $x );
+ return $this->context->getRequest();
}
- /**
- * Initialization of ... everything
- * Performs the request too
- *
- * @param $title Title ($wgTitle)
- * @param $article Article
- * @param $output OutputPage
- * @param $user User
- * @param $request WebRequest
- */
- function performRequestForTitle( &$title, &$article, &$output, &$user, $request ) {
- wfProfileIn( __METHOD__ );
-
- $output->setTitle( $title );
-
- wfRunHooks( 'BeforeInitialize', array( &$title, &$article, &$output, &$user, $request, $this ) );
-
- if( !$this->preliminaryChecks( $title, $output, $request ) ) {
- wfProfileOut( __METHOD__ );
- return;
- }
- // Call handleSpecialCases() to deal with all special requests...
- if( !$this->handleSpecialCases( $title, $output, $request ) ) {
- // ...otherwise treat it as an article view. The article
- // may be a redirect to another article or URL.
- $new_article = $this->initializeArticle( $title, $output, $request );
- if( is_object( $new_article ) ) {
- $article = $new_article;
- $this->performAction( $output, $article, $title, $user, $request );
- } elseif( is_string( $new_article ) ) {
- $output->redirect( $new_article );
- } else {
- wfProfileOut( __METHOD__ );
- throw new MWException( "Shouldn't happen: MediaWiki::initializeArticle() returned neither an object nor a URL" );
- }
- }
- wfProfileOut( __METHOD__ );
+ public function output( OutputPage $x = null ){
+ $this->context->setOutput( $x );
+ return $this->context->getOutput();
}
- /**
- * Check if the maximum lag of database slaves is higher that $maxLag, and
- * if it's the case, output an error message
- *
- * @param $maxLag int: maximum lag allowed for the request, as supplied by
- * the client
- * @return bool true if the request can continue
- */
- function checkMaxLag( $maxLag ) {
- list( $host, $lag ) = wfGetLB()->getMaxLag();
- if( $lag > $maxLag ) {
- wfMaxlagError( $host, $lag, $maxLag );
- return false;
- } else {
- return true;
+ public function __construct( RequestContext $context = null ) {
+ if ( !$context ) {
+ $context = RequestContext::getMain();
}
+
+ $this->context = $context;
+ $this->context->setTitle( $this->parseTitle() );
}
/**
- * Checks some initial queries
- * Note that $title here is *not* a Title object, but a string!
+ * Parse $request to get the Title object
*
- * @param $title String
- * @param $action String
* @return Title object to be $wgTitle
*/
- function checkInitialQueries( $title, $action ) {
- global $wgOut, $wgRequest, $wgContLang;
- if( $wgRequest->getVal( 'printable' ) === 'yes' ) {
- $wgOut->setPrintable();
- }
- $ret = null;
- if( $curid = $wgRequest->getInt( 'curid' ) ) {
- # URLs like this are generated by RC, because rc_title isn't always accurate
+ private function parseTitle() {
+ global $wgContLang;
+
+ $request = $this->context->getRequest();
+ $curid = $request->getInt( 'curid' );
+ $title = $request->getVal( 'title' );
+
+ if ( $request->getCheck( 'search' ) ) {
+ // Compatibility with old search URLs which didn't use Special:Search
+ // Just check for presence here, so blank requests still
+ // show the search page when using ugly URLs (bug 8054).
+ $ret = SpecialPage::getTitleFor( 'Search' );
+ } elseif ( $curid ) {
+ // URLs like this are generated by RC, because rc_title isn't always accurate
$ret = Title::newFromID( $curid );
- } elseif( '' == $title && 'delete' != $action ) {
+ } elseif ( $title == '' && $this->getAction() != 'delete' ) {
$ret = Title::newMainPage();
} 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( $wgContLang->getVariants() ) > 1 && !is_null( $ret ) && $ret->getArticleID() == 0 )
+ if ( count( $wgContLang->getVariants() ) > 1 && !is_null( $ret ) && $ret->getArticleID() == 0 ){
$wgContLang->findVariantLink( $title, $ret );
+ }
}
- # For non-special titles, check for implicit titles
- if( is_null( $ret ) || $ret->getNamespace() != NS_SPECIAL ) {
+ // For non-special titles, check for implicit titles
+ if ( is_null( $ret ) || $ret->getNamespace() != NS_SPECIAL ) {
// We can have urls with just ?diff=,?oldid= or even just ?diff=
- $oldid = $wgRequest->getInt( 'oldid' );
- $oldid = $oldid ? $oldid : $wgRequest->getInt( 'diff' );
+ $oldid = $request->getInt( 'oldid' );
+ $oldid = $oldid ? $oldid : $request->getInt( 'diff' );
// Allow oldid to override a changed or missing title
- if( $oldid ) {
+ if ( $oldid ) {
$rev = Revision::newFromId( $oldid );
$ret = $rev ? $rev->getTitle() : $ret;
}
}
+
+ if( $ret === null || ( $ret->getDBkey() == '' && $ret->getInterwiki() == '' ) ){
+ $ret = new BadTitle;
+ }
return $ret;
}
/**
- * Checks for search query and anon-cannot-read case
- *
- * @param $title Title
- * @param $output OutputPage
- * @param $request WebRequest
+ * Get the Title object that we'll be acting on, as specified in the WebRequest
+ * @return Title
*/
- function preliminaryChecks( &$title, &$output, $request ) {
- if( $request->getCheck( 'search' ) ) {
- // Compatibility with old search URLs which didn't use Special:Search
- // Just check for presence here, so blank requests still
- // show the search page when using ugly URLs (bug 8054).
-
- // Do this above the read whitelist check for security...
- $title = SpecialPage::getTitleFor( 'Search' );
+ public function getTitle(){
+ if( $this->context->getTitle() === null ){
+ $this->context->setTitle( $this->parseTitle() );
}
- # 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() ) {
- global $wgDeferredUpdateList;
- $output->loginToUse();
- $this->finalCleanup( $wgDeferredUpdateList, $output );
- $output->disable();
- return false;
- }
- return true;
+ return $this->context->getTitle();
}
/**
- * Initialize some special cases:
+ * Performs the request.
* - bad titles
+ * - read restriction
* - local interwiki redirects
* - redirect loop
* - special pages
+ * - normal pages
*
- * @param $title Title
- * @param $output OutputPage
- * @param $request WebRequest
- * @return bool true if the request is already executed
+ * @return Article object
*/
- function handleSpecialCases( &$title, &$output, $request ) {
+ public function performRequest() {
+ global $wgServer, $wgUsePathInfo;
+
wfProfileIn( __METHOD__ );
- global $wgContLang, $wgUser;
- $action = $this->getVal( 'Action' );
- $perferred = $wgContLang->getPreferredVariant( false );
+
+ $request = $this->context->getRequest();
+ $title = $this->context->getTitle();
+ $output = $this->context->getOutput();
+ $user = $this->context->getUser();
+
+ if ( $request->getVal( 'printable' ) === 'yes' ) {
+ $output->setPrintable();
+ }
+
+ wfRunHooks( 'BeforeInitialize', array(
+ &$title,
+ null,
+ &$output,
+ &$user,
+ $request,
+ $this
+ ) );
// Invalid titles. Bug 21776: The interwikis must redirect even if the page name is empty.
- if( is_null($title) || ( ($title->getDBkey() == '') && ($title->getInterwiki() == '') ) ) {
- $title = SpecialPage::getTitleFor( 'Badtitle' );
- # Die now before we mess up $wgArticle and the skin stops working
+ if ( $title instanceof BadTitle ) {
throw new ErrorPageError( 'badtitle', 'badtitletext' );
-
+ // If the user is not logged in, the Namespace:title of the article must be in
+ // the Read array in order for the user to see it. (We have to check here to
+ // catch special pages etc. We check again in Article::view())
+ } elseif ( !$title->userCanRead() ) {
+ $output->loginToUse();
// Interwiki redirects
- } else if( $title->getInterwiki() != '' ) {
- if( $rdfrom = $request->getVal( 'rdfrom' ) ) {
+ } elseif ( $title->getInterwiki() != '' ) {
+ $rdfrom = $request->getVal( 'rdfrom' );
+ if ( $rdfrom ) {
$url = $title->getFullURL( 'rdfrom=' . urlencode( $rdfrom ) );
} else {
$query = $request->getValues();
unset( $query['title'] );
$url = $title->getFullURL( $query );
}
- /* Check for a redirect loop */
- if( !preg_match( '/^' . preg_quote( $this->getVal('Server'), '/' ) . '/', $url ) && $title->isLocal() ) {
- $output->redirect( $url );
+ // Check for a redirect loop
+ if ( !preg_match( '/^' . preg_quote( $wgServer, '/' ) . '/', $url ) && $title->isLocal() ) {
+ // 301 so google et al report the target as the actual url.
+ $output->redirect( $url, 301 );
} else {
- $title = SpecialPage::getTitleFor( 'Badtitle' );
+ $this->context->setTitle( new BadTitle );
wfProfileOut( __METHOD__ );
throw new ErrorPageError( 'badtitle', 'badtitletext' );
}
- // Redirect loops, no title in URL, $wgUsePathInfo URLs
- } else if( $action == 'view' && !$request->wasPosted() &&
- ( ( !isset($this->GET['title']) || $title->getPrefixedDBKey() != $this->GET['title'] ) ||
- // No valid variant in URL (if the main-language has multi-variants), to ensure
- // the Accept-Language would only be added to XVO when a 301 redirection happened
- ( !isset($this->GET['variant']) && $wgContLang->hasVariants() && !$wgUser->isLoggedIn() ) ) &&
- !count( array_diff( array_keys( $this->GET ), array( 'action', 'title' ) ) ) )
+ // Redirect loops, no title in URL, $wgUsePathInfo URLs, and URLs with a variant
+ } elseif ( $request->getVal( 'action', 'view' ) == 'view' && !$request->wasPosted()
+ && ( $request->getVal( 'title' ) === null || $title->getPrefixedDBKey() != $request->getVal( 'title' ) )
+ && !count( array_diff( array_keys( $request->getValues() ), array( 'action', 'title' ) ) ) )
{
- if( !$wgUser->isLoggedIn() ) {
- $pref = $wgContLang->getPreferredVariant( false, $fromHeader = true );
- $targetUrl = $title->getFullURL( '', $variant = $pref );
+ if ( $title->getNamespace() == NS_SPECIAL ) {
+ list( $name, $subpage ) = SpecialPageFactory::resolveAlias( $title->getDBkey() );
+ if ( $name ) {
+ $title = SpecialPage::getTitleFor( $name, $subpage );
+ }
}
- else
- $targetUrl = $title->getFullURL();
+ $targetUrl = $title->getFullURL();
// Redirect to canonical url, make it a 301 to allow caching
- if( $targetUrl == $request->getFullRequestURL() ) {
+ if ( $targetUrl == $request->getFullRequestURL() ) {
$message = "Redirect loop detected!\n\n" .
"This means the wiki got confused about what page was " .
"requested; this sometimes happens when moving a wiki " .
"to a new server or changing the server configuration.\n\n";
- if( $this->getVal( 'UsePathInfo' ) ) {
+ if ( $wgUsePathInfo ) {
$message .= "The wiki is trying to interpret the page " .
"title from the URL path portion (PATH_INFO), which " .
"sometimes fails depending on the web server. Try " .
"to true.";
}
wfHttpError( 500, "Internal error", $message );
- wfProfileOut( __METHOD__ );
- return false;
} else {
$output->setSquidMaxage( 1200 );
$output->redirect( $targetUrl, '301' );
}
// Special pages
- } else if( NS_SPECIAL == $title->getNamespace() ) {
- /* actions that need to be made when we have a special pages */
- SpecialPage::executePath( $title );
+ } elseif ( NS_SPECIAL == $title->getNamespace() ) {
+ // actions that need to be made when we have a special pages
+ SpecialPageFactory::executePath( $title, $this->context );
} else {
- /* No match to special cases */
- wfProfileOut( __METHOD__ );
- return false;
+ // ...otherwise treat it as an article view. The article
+ // may be a redirect to another article or URL.
+ $article = $this->initializeArticle();
+ if ( is_object( $article ) ) {
+ /**
+ * $wgArticle is deprecated, do not use it. This will possibly be removed
+ * entirely in 1.20 or 1.21
+ * @deprecated since 1.19
+ */
+ global $wgArticle;
+ $wgArticle = $article;
+
+ $this->performAction( $article );
+ wfProfileOut( __METHOD__ );
+ return $article;
+ } elseif ( is_string( $article ) ) {
+ $output->redirect( $article );
+ } else {
+ wfProfileOut( __METHOD__ );
+ throw new MWException( "Shouldn't happen: MediaWiki::initializeArticle() returned neither an object nor a URL" );
+ }
}
- /* Did match a special case */
wfProfileOut( __METHOD__ );
- return true;
}
/**
* Create an Article object of the appropriate class for the given page.
*
+ * @deprecated in 1.19; use Article::newFromTitle() instead
* @param $title Title
+ * @param $context RequestContext
* @return Article object
*/
- static function articleFromTitle( &$title ) {
- if( NS_MEDIA == $title->getNamespace() ) {
- // FIXME: where should this go?
- $title = Title::makeTitle( NS_FILE, $title->getDBkey() );
- }
+ public static function articleFromTitle( $title, RequestContext $context ) {
+ return Article::newFromTitle( $title, $context );
+ }
- $article = null;
- wfRunHooks( 'ArticleFromTitle', array( &$title, &$article ) );
- if( $article ) {
- return $article;
+ /**
+ * Returns the action that will be executed, not necesserly the one passed
+ * passed through the "action" parameter. Actions disabled in
+ * $wgDisabledActions will be replaced by "nosuchaction"
+ *
+ * @return String: action
+ */
+ public function getAction() {
+ global $wgDisabledActions;
+
+ $request = $this->context->getRequest();
+ $action = $request->getVal( 'action', 'view' );
+
+ // Check for disabled actions
+ if ( in_array( $action, $wgDisabledActions ) ) {
+ return 'nosuchaction';
}
- switch( $title->getNamespace() ) {
- case NS_FILE:
- return new ImagePage( $title );
- case NS_CATEGORY:
- return new CategoryPage( $title );
- default:
- return new Article( $title );
+ // Workaround for bug #20966: inability of IE to provide an action dependent
+ // on which submit button is clicked.
+ if ( $action === 'historysubmit' ) {
+ if ( $request->getBool( 'revisiondelete' ) ) {
+ return 'revisiondelete';
+ } else {
+ return 'view';
+ }
+ } elseif ( $action == 'editredlink' ) {
+ return 'edit';
}
+
+ return $action;
}
/**
- * Initialize the object to be known as $wgArticle for "standard" actions
+ * Initialize the main Article object for "standard" actions (view, etc)
* Create an Article object for the page, following redirects if needed.
*
- * @param $title Title ($wgTitle)
- * @param $output OutputPage ($wgOut)
- * @param $request WebRequest ($wgRequest)
* @return mixed an Article, or a string to redirect to another URL
*/
- function initializeArticle( &$title, &$output, $request ) {
+ private function initializeArticle() {
+ global $wgDisableHardRedirects;
+
wfProfileIn( __METHOD__ );
- $action = $this->getVal( 'action', 'view' );
- $article = self::articleFromTitle( $title );
- # NS_MEDIAWIKI has no redirects.
- # It is also used for CSS/JS, so performance matters here...
- if( $title->getNamespace() == NS_MEDIAWIKI ) {
+ $request = $this->context->getRequest();
+ $title = $this->context->getTitle();
+
+ $action = $request->getVal( 'action', 'view' );
+ $article = Article::newFromTitle( $title, $this->context );
+ // NS_MEDIAWIKI has no redirects.
+ // It is also used for CSS/JS, so performance matters here...
+ if ( $title->getNamespace() == NS_MEDIAWIKI ) {
wfProfileOut( __METHOD__ );
return $article;
}
// Namespace might change when using redirects
// Check for redirects ...
- $file = ($title->getNamespace() == NS_FILE) ? $article->getFile() : null;
- if( ( $action == 'view' || $action == 'render' ) // ... for actions that show content
+ $file = ( $title->getNamespace() == NS_FILE ) ? $article->getFile() : null;
+ if ( ( $action == 'view' || $action == 'render' ) // ... for actions that show content
&& !$request->getVal( 'oldid' ) && // ... and are not old revisions
+ !$request->getVal( 'diff' ) && // ... and not when showing diff
$request->getVal( 'redirect' ) != 'no' && // ... unless explicitly told not to
// ... and the article is not a non-redirect image page with associated file
!( is_object( $file ) && $file->exists() && !$file->getRedirected() ) )
{
- # Give extensions a change to ignore/handle redirects as needed
+ // Give extensions a change to ignore/handle redirects as needed
$ignoreRedirect = $target = false;
-
- $dbr = wfGetDB( DB_SLAVE );
- $article->loadPageData( $article->pageDataFromTitle( $dbr, $title ) );
- wfRunHooks( 'InitializeArticleMaybeRedirect',
- array(&$title,&$request,&$ignoreRedirect,&$target,&$article) );
+ wfRunHooks( 'InitializeArticleMaybeRedirect',
+ array( &$title, &$request, &$ignoreRedirect, &$target, &$article ) );
// Follow redirects only for... redirects.
// If $target is set, then a hook wanted to redirect.
- if( !$ignoreRedirect && ($target || $article->isRedirect()) ) {
- # Is the target already set by an extension?
+ if ( !$ignoreRedirect && ( $target || $article->isRedirect() ) ) {
+ // Is the target already set by an extension?
$target = $target ? $target : $article->followRedirect();
- if( is_string( $target ) ) {
- if( !$this->getVal( 'DisableHardRedirects' ) ) {
+ if ( is_string( $target ) ) {
+ if ( !$wgDisableHardRedirects ) {
// we'll need to redirect
wfProfileOut( __METHOD__ );
return $target;
}
}
- if( is_object($target) ) {
+ if ( is_object( $target ) ) {
// Rewrite environment to redirected article
- $rarticle = self::articleFromTitle( $target );
- $rarticle->loadPageData( $rarticle->pageDataFromTitle( $dbr, $target ) );
- if( $rarticle->exists() || ( is_object( $file ) && !$file->isLocal() ) ) {
+ $rarticle = Article::newFromTitle( $target, $this->context );
+ $rarticle->loadPageData();
+ if ( $rarticle->exists() || ( is_object( $file ) && !$file->isLocal() ) ) {
$rarticle->setRedirectedFrom( $title );
$article = $rarticle;
- $title = $target;
- $output->setTitle( $title );
+ $this->context->setTitle( $target );
}
}
} else {
- $title = $article->getTitle();
+ $this->context->setTitle( $article->getTitle() );
}
}
wfProfileOut( __METHOD__ );
}
/**
- * Cleaning up request by doing:
- ** deferred updates, DB transaction, and the output
- *
- * @param $deferredUpdates array of updates to do
- * @param $output OutputPage
+ * Cleaning up request by doing deferred updates, DB transaction, and the output
*/
- function finalCleanup( &$deferredUpdates, &$output ) {
+ public function finalCleanup() {
wfProfileIn( __METHOD__ );
- # Now commit any transactions, so that unreported errors after
- # output() don't roll back the whole DB transaction
+ // Now commit any transactions, so that unreported errors after
+ // output() don't roll back the whole DB transaction
$factory = wfGetLBFactory();
$factory->commitMasterChanges();
- # Output everything!
- $output->output();
- # Do any deferred jobs
- $this->doUpdates( $deferredUpdates );
+ // Output everything!
+ $this->context->getOutput()->output();
+ // Do any deferred jobs
+ wfDoUpdates( 'commit' );
$this->doJobs();
wfProfileOut( __METHOD__ );
}
- /**
- * 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.
- *
- * @param $updates array of objects that hold an update to do
- */
- function doUpdates( &$updates ) {
- wfProfileIn( __METHOD__ );
- /* No need to get master connections in case of empty updates array */
- if (!$updates) {
- wfProfileOut( __METHOD__ );
- return;
- }
-
- $dbw = wfGetDB( DB_MASTER );
- foreach( $updates as $up ) {
- $up->doUpdate();
-
- # Commit after every update to prevent lock contention
- if( $dbw->trxLevel() ) {
- $dbw->commit();
- }
- }
- wfProfileOut( __METHOD__ );
- }
-
/**
* Do a job from the job queue
*/
- function doJobs() {
- $jobRunRate = $this->getVal( 'JobRunRate' );
+ private function doJobs() {
+ global $wgJobRunRate;
- if( $jobRunRate <= 0 || wfReadOnly() ) {
+ if ( $wgJobRunRate <= 0 || wfReadOnly() ) {
return;
}
- if( $jobRunRate < 1 ) {
+ if ( $wgJobRunRate < 1 ) {
$max = mt_getrandmax();
- if( mt_rand( 0, $max ) > $max * $jobRunRate ) {
+ if ( mt_rand( 0, $max ) > $max * $wgJobRunRate ) {
return;
}
$n = 1;
} else {
- $n = intval( $jobRunRate );
+ $n = intval( $wgJobRunRate );
}
while ( $n-- && false != ( $job = Job::pop() ) ) {
$t = -wfTime();
$success = $job->run();
$t += wfTime();
- $t = round( $t*1000 );
- if( !$success ) {
+ $t = round( $t * 1000 );
+ if ( !$success ) {
$output .= "Error: " . $job->getLastError() . ", Time: $t ms\n";
} else {
$output .= "Success, Time: $t ms\n";
/**
* Ends this task peacefully
*/
- function restInPeace() {
+ public function restInPeace() {
+ MessageCache::logMessages();
wfLogProfilingData();
- # Commit and close up!
+ // Commit and close up!
$factory = wfGetLBFactory();
$factory->commitMasterChanges();
$factory->shutdown();
/**
* Perform one of the "standard" actions
*
- * @param $output OutputPage
* @param $article Article
- * @param $title Title
- * @param $user User
- * @param $request WebRequest
*/
- function performAction( &$output, &$article, &$title, &$user, &$request ) {
+ private function performAction( $article ) {
+ global $wgSquidMaxage, $wgUseExternalEditor;
+
wfProfileIn( __METHOD__ );
- if( !wfRunHooks( 'MediaWikiPerformAction', array( $output, $article, $title, $user, $request, $this ) ) ) {
+ $request = $this->context->getRequest();
+ $output = $this->context->getOutput();
+ $title = $this->context->getTitle();
+ $user = $this->context->getUser();
+
+ if ( !wfRunHooks( 'MediaWikiPerformAction', array(
+ $output, $article, $title,
+ $user, $request, $this ) ) )
+ {
wfProfileOut( __METHOD__ );
return;
}
- $action = $this->getVal( 'Action' );
- if( in_array( $action, $this->getVal( 'DisabledActions', array() ) ) ) {
- /* No such action; this will switch to the default case */
- $action = 'nosuchaction';
- }
+ $act = $this->getAction();
- # Workaround for bug #20966: inability of IE to provide an action dependent
- # on which submit button is clicked.
- if ( $action === 'historysubmit' ) {
- if ( $request->getBool( 'revisiondelete' ) ) {
- $action = 'revisiondelete';
- } else {
- $action = 'view';
- }
+ $action = Action::factory( $act, $article );
+ if( $action instanceof Action ){
+ $action->show();
+ wfProfileOut( __METHOD__ );
+ return;
}
- switch( $action ) {
+ switch( $act ) {
case 'view':
- $output->setSquidMaxage( $this->getVal( 'SquidMaxage' ) );
+ $output->setSquidMaxage( $wgSquidMaxage );
$article->view();
break;
case 'raw': // includes JS/CSS
- wfProfileIn( __METHOD__.'-raw' );
+ wfProfileIn( __METHOD__ . '-raw' );
$raw = new RawPage( $article );
$raw->view();
- wfProfileOut( __METHOD__.'-raw' );
+ wfProfileOut( __METHOD__ . '-raw' );
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 {
- $rdf = new DublinCoreRdf( $article );
- $rdf->show();
- }
- break;
- case 'creativecommons':
- if( !$this->getVal( 'EnableCreativeCommonsRdf' ) ) {
- wfHttpError( 403, 'Forbidden', wfMsg( 'nocreativecommons' ) );
- } else {
- $rdf = new CreativeCommonsRdf( $article );
- $rdf->show();
- }
- break;
- case 'credits':
- Credits::showPage( $article );
+ $article->$act();
break;
case 'submit':
- if( session_id() == '' ) {
- /* Send a cookie so anons get talk message notifications */
+ if ( session_id() == '' ) {
+ // Send a cookie so anons get talk message notifications
wfSetupSession();
}
- /* Continue... */
+ // Continue...
case 'edit':
- case 'editredlink':
- if( wfRunHooks( 'CustomEditor', array( $article, $user ) ) ) {
+ if ( wfRunHooks( 'CustomEditor', array( $article, $user ) ) ) {
$internal = $request->getVal( 'internaledit' );
$external = $request->getVal( 'externaledit' );
$section = $request->getVal( 'section' );
$oldid = $request->getVal( 'oldid' );
- if( !$this->getVal( 'UseExternalEditor' ) || $action=='submit' || $internal ||
+ if ( !$wgUseExternalEditor || $act == 'submit' || $internal ||
$section || $oldid || ( !$user->getOption( 'externaleditor' ) && !$external ) ) {
$editor = new EditPage( $article );
$editor->submit();
- } elseif( $this->getVal( 'UseExternalEditor' ) && ( $external || $user->getOption( 'externaleditor' ) ) ) {
+ } elseif ( $wgUseExternalEditor && ( $external || $user->getOption( 'externaleditor' ) ) ) {
$mode = $request->getVal( 'mode' );
$extedit = new ExternalEdit( $article, $mode );
$extedit->edit();
}
break;
case 'history':
- if( $request->getFullRequestURL() == $title->getInternalURL( 'action=history' ) ) {
- $output->setSquidMaxage( $this->getVal( 'SquidMaxage' ) );
+ if ( $request->getFullRequestURL() == $title->getInternalURL( 'action=history' ) ) {
+ $output->setSquidMaxage( $wgSquidMaxage );
}
$history = new HistoryPage( $article );
$history->history();
break;
- case 'revisiondelete':
- # For show/hide submission from history page
- $special = SpecialPage::getPage( 'Revisiondelete' );
- $special->execute( '' );
- break;
default:
- if( wfRunHooks( 'UnknownAction', array( $action, $article ) ) ) {
+ if ( wfRunHooks( 'UnknownAction', array( $act, $article ) ) ) {
$output->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
}
}
wfProfileOut( __METHOD__ );
+ }
+ /**
+ * Run the current MediaWiki instance
+ * index.php just calls this
+ */
+ function run() {
+ try {
+ $this->checkMaxLag( true );
+ $this->main();
+ $this->restInPeace();
+ } catch ( Exception $e ) {
+ MWExceptionHandler::handle( $e );
+ }
+ }
+
+ /**
+ * Checks if the request should abort due to a lagged server,
+ * for given maxlag parameter.
+ *
+ * @param boolean $abort True if this class should abort the
+ * script execution. False to return the result as a boolean.
+ * @return boolean True if we passed the check, false if we surpass the maxlag
+ */
+ function checkMaxLag( $abort ) {
+ global $wgShowHostnames;
+
+ wfProfileIn( __METHOD__ );
+ $maxLag = $this->context->getRequest()->getVal( 'maxlag' );
+ if ( !is_null( $maxLag ) ) {
+ $lb = wfGetLB(); // foo()->bar() is not supported in PHP4
+ list( $host, $lag ) = $lb->getMaxLag();
+ if ( $lag > $maxLag ) {
+ if ( $abort ) {
+ header( 'HTTP/1.1 503 Service Unavailable' );
+ header( 'Retry-After: ' . max( intval( $maxLag ), 5 ) );
+ header( 'X-Database-Lag: ' . intval( $lag ) );
+ header( 'Content-Type: text/plain' );
+ if( $wgShowHostnames ) {
+ echo "Waiting for $host: $lag seconds lagged\n";
+ } else {
+ echo "Waiting for a database server: $lag seconds lagged\n";
+ }
+ }
+
+ wfProfileOut( __METHOD__ );
+
+ if ( !$abort )
+ return false;
+ exit;
+ }
+ }
+ wfProfileOut( __METHOD__ );
+ return true;
}
-}; /* End of class MediaWiki */
+ function main() {
+ global $wgUseFileCache, $wgTitle, $wgUseAjax;
+
+ wfProfileIn( __METHOD__ );
+
+ # Set title from request parameters
+ $wgTitle = $this->getTitle();
+ $action = $this->getAction();
+
+ # Send Ajax requests to the Ajax dispatcher.
+ if ( $wgUseAjax && $action == 'ajax' ) {
+ $dispatcher = new AjaxDispatcher();
+ $dispatcher->performAction();
+ wfProfileOut( __METHOD__ );
+ return;
+ }
+
+ if ( $wgUseFileCache && $wgTitle !== null ) {
+ wfProfileIn( 'main-try-filecache' );
+ // Raw pages should handle cache control on their own,
+ // even when using file cache. This reduces hits from clients.
+ if ( $action != 'raw' && HTMLFileCache::useFileCache() ) {
+ /* Try low-level file cache hit */
+ $cache = new HTMLFileCache( $wgTitle, $action );
+ if ( $cache->isFileCacheGood( /* Assume up to date */ ) ) {
+ /* Check incoming headers to see if client has this cached */
+ if ( !$this->context->getOutput()->checkLastModified( $cache->fileCacheTime() ) ) {
+ $cache->loadFromFileCache();
+ }
+ # Do any stats increment/watchlist stuff
+ $article = Article::newFromTitle( $wgTitle, $this->context );
+ $article->viewUpdates();
+ # Tell OutputPage that output is taken care of
+ $this->context->getOutput()->disable();
+ wfProfileOut( 'main-try-filecache' );
+ wfProfileOut( __METHOD__ );
+ return;
+ }
+ }
+ wfProfileOut( 'main-try-filecache' );
+ }
+
+ $this->performRequest();
+ $this->finalCleanup();
+
+ wfProfileOut( __METHOD__ );
+ }
+}
dépôts / lhc / web / wiklou.git / blobdiff