<?php
/**
- * MediaWiki is the to-be base class for this whole project
+ * Helper class for the index.php entry point.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ */
+
+/**
+ * The MediaWiki class is the helper class for the index.php entry point.
*
* @internal documentation reviewed 15 Mar 2010
*/
class MediaWiki {
- /**
- * Array of options which may or may not be used
- * FIXME: this seems currently to be a messy halfway-house between globals
- * and a config object. Pick one and run with it
- * @var array
- */
- private $params = array();
-
/**
* TODO: fold $output, etc, into this
- * @var RequestContext
+ * @var IContextSource
*/
private $context;
/**
- * 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
+ * @param $x null|WebRequest
+ * @return WebRequest
*/
- public function setVal( $key, &$value ) {
- $key = strtolower( $key );
- $this->params[$key] =& $value;
+ public function request( WebRequest $x = null ) {
+ $old = $this->context->getRequest();
+ $this->context->setRequest( $x );
+ return $old;
}
/**
- * Retrieves key/value pairs to circumvent global variables
- * Note that keys are case-insensitive!
- *
- * @param $key String: key to get
- * @param $default string default value, defaults to empty string
- * @return $default Mixed: default value if if the key doesn't exist
+ * @param $x null|OutputPage
+ * @return OutputPage
*/
- public function getVal( $key, $default = '' ) {
- $key = strtolower( $key );
- if ( isset( $this->params[$key] ) ) {
- return $this->params[$key];
- }
- return $default;
- }
-
- public function request( WebRequest $x = null ){
- return wfSetVar( $this->context->request, $x );
- }
-
- public function output( OutputPage $x = null ){
- return wfSetVar( $this->context->output, $x );
- }
-
- public function __construct( RequestContext $context ){
- $this->context = $context;
- $this->context->setTitle( $this->parseTitle() );
+ public function output( OutputPage $x = null ) {
+ $old = $this->context->getOutput();
+ $this->context->setOutput( $x );
+ return $old;
}
/**
- * Initialization of ... everything
- * Performs the request too
- *
- * @param $article Article
+ * @param IContextSource|null $context
*/
- public function performRequestForTitle( $article ) {
- wfProfileIn( __METHOD__ );
-
- if ( $this->context->request->getVal( 'printable' ) === 'yes' ) {
- $this->context->output->setPrintable();
+ public function __construct( IContextSource $context = null ) {
+ if ( !$context ) {
+ $context = RequestContext::getMain();
}
- wfRunHooks( 'BeforeInitialize', array(
- &$this->context->title,
- &$article,
- &$this->context->output,
- &$this->context->user,
- $this->context->request,
- $this
- ) );
-
- // 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( $this->context->title ) && !$this->context->title->userCanRead() ) {
- $this->context->output->loginToUse();
- $this->finalCleanup();
- $this->context->output->disable();
- wfProfileOut( __METHOD__ );
- return false;
- }
-
- // Call handleSpecialCases() to deal with all special requests...
- if ( !$this->handleSpecialCases() ) {
- // ...otherwise treat it as an article view. The article
- // may be a redirect to another article or URL.
- $new_article = $this->initializeArticle();
- if ( is_object( $new_article ) ) {
- $article = $new_article;
- $this->performAction( $article );
- } elseif ( is_string( $new_article ) ) {
- $this->context->output->redirect( $new_article );
- } else {
- wfProfileOut( __METHOD__ );
- throw new MWException( "Shouldn't happen: MediaWiki::initializeArticle() returned neither an object nor a URL" );
- }
- }
- wfProfileOut( __METHOD__ );
+ $this->context = $context;
+ $this->context->setTitle( $this->parseTitle() );
}
/**
- * Parse $request to get the Title object
+ * Parse the request to get the Title object
*
* @return Title object to be $wgTitle
*/
private function parseTitle() {
global $wgContLang;
- $curid = $this->context->request->getInt( 'curid' );
- $title = $this->context->request->getVal( 'title' );
+ $request = $this->context->getRequest();
+ $curid = $request->getInt( 'curid' );
+ $title = $request->getVal( 'title' );
+ $action = $request->getVal( 'action', 'view' );
- if ( $this->context->request->getCheck( 'search' ) ) {
+ 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).
} elseif ( $curid ) {
// URLs like this are generated by RC, because rc_title isn't always accurate
$ret = Title::newFromID( $curid );
- } elseif ( $title == '' && $this->getAction() != 'delete' ) {
+ } elseif ( $title == '' && $action != 'delete' ) {
$ret = Title::newMainPage();
} else {
$ret = Title::newFromURL( $title );
- // check variant links so that interwiki links don't have to worry
+ // Alias NS_MEDIA page URLs to NS_FILE...we only use NS_MEDIA
+ // in wikitext links to tell Parser to make a direct file link
+ if ( !is_null( $ret ) && $ret->getNamespace() == NS_MEDIA ) {
+ $ret = Title::makeTitle( NS_FILE, $ret->getDBkey() );
+ }
+ // 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 ) {
+ if ( is_null( $ret ) || !$ret->isSpecialPage() ) {
// We can have urls with just ?diff=,?oldid= or even just ?diff=
- $oldid = $this->context->request->getInt( 'oldid' );
- $oldid = $oldid ? $oldid : $this->context->request->getInt( 'diff' );
+ $oldid = $request->getInt( 'oldid' );
+ $oldid = $oldid ? $oldid : $request->getInt( 'diff' );
// Allow oldid to override a changed or missing title
if ( $oldid ) {
$rev = Revision::newFromId( $oldid );
}
}
- if( $ret === null || ( $ret->getDBkey() == '' && $ret->getInterwiki() == '' ) ){
- $ret = new BadTitle;
+ if ( $ret === null || ( $ret->getDBkey() == '' && $ret->getInterwiki() == '' ) ) {
+ $ret = SpecialPage::getTitleFor( 'Badtitle' );
}
+
return $ret;
}
* Get the Title object that we'll be acting on, as specified in the WebRequest
* @return Title
*/
- public function getTitle(){
- if( $this->context->title === null ){
- $this->context->title = $this->parseTitle();
+ public function getTitle() {
+ if( $this->context->getTitle() === null ){
+ $this->context->setTitle( $this->parseTitle() );
}
- return $this->context->title;
+ return $this->context->getTitle();
}
/**
- * Initialize some special cases:
+ * Performs the request.
* - bad titles
+ * - read restriction
* - local interwiki redirects
* - redirect loop
* - special pages
+ * - normal pages
*
- * @return bool true if the request is already executed
+ * @return void
*/
- private function handleSpecialCases() {
+ private function performRequest() {
+ global $wgServer, $wgUsePathInfo, $wgTitle;
+
wfProfileIn( __METHOD__ );
+ $request = $this->context->getRequest();
+ $title = $this->context->getTitle();
+ $output = $this->context->getOutput();
+ $user = $this->context->getUser();
+
+ if ( $request->getVal( 'printable' ) === 'yes' ) {
+ $output->setPrintable();
+ }
+
+ $unused = null; // To pass it by reference
+ wfRunHooks( 'BeforeInitialize', array( &$title, &$unused, &$output, &$user, $request, $this ) );
+
// Invalid titles. Bug 21776: The interwikis must redirect even if the page name is empty.
- if ( $this->context->title instanceof BadTitle ) {
- // Die now before we mess up $wgArticle and the skin stops working
- throw new ErrorPageError( 'badtitle', 'badtitletext' );
+ if ( is_null( $title ) || ( $title->getDBkey() == '' && $title->getInterwiki() == '' ) ||
+ $title->isSpecial( 'Badtitle' ) )
+ {
+ $this->context->setTitle( SpecialPage::getTitleFor( 'Badtitle' ) );
+ wfProfileOut( __METHOD__ );
+ throw new BadTitleError();
+ }
+
+ // Check user's permissions to read this page.
+ // We have to check here to catch special pages etc.
+ // We will check again in Article::view().
+ $permErrors = $title->getUserPermissionsErrors( 'read', $user );
+ if ( count( $permErrors ) ) {
+ // Bug 32276: allowing the skin to generate output with $wgTitle or
+ // $this->context->title set to the input title would allow anonymous users to
+ // determine whether a page exists, potentially leaking private data. In fact, the
+ // curid and oldid request parameters would allow page titles to be enumerated even
+ // when they are not guessable. So we reset the title to Special:Badtitle before the
+ // permissions error is displayed.
+ //
+ // The skin mostly uses $this->context->getTitle() these days, but some extensions
+ // still use $wgTitle.
+
+ $badTitle = SpecialPage::getTitleFor( 'Badtitle' );
+ $this->context->setTitle( $badTitle );
+ $wgTitle = $badTitle;
+
+ wfProfileOut( __METHOD__ );
+ throw new PermissionsError( 'read', $permErrors );
+ }
+
+ $pageView = false; // was an article or special page viewed?
// Interwiki redirects
- } else if ( $this->context->title->getInterwiki() != '' ) {
- $rdfrom = $this->context->request->getVal( 'rdfrom' );
+ if ( $title->getInterwiki() != '' ) {
+ $rdfrom = $request->getVal( 'rdfrom' );
if ( $rdfrom ) {
- $url = $this->context->title->getFullURL( 'rdfrom=' . urlencode( $rdfrom ) );
+ $url = $title->getFullURL( 'rdfrom=' . urlencode( $rdfrom ) );
} else {
- $query = $this->context->request->getValues();
+ $query = $request->getValues();
unset( $query['title'] );
- $url = $this->context->title->getFullURL( $query );
+ $url = $title->getFullURL( $query );
}
// Check for a redirect loop
- if ( !preg_match( '/^' . preg_quote( $this->getVal( 'Server' ), '/' ) . '/', $url ) && $this->context->title->isLocal() ) {
+ if ( !preg_match( '/^' . preg_quote( $wgServer, '/' ) . '/', $url )
+ && $title->isLocal() )
+ {
// 301 so google et al report the target as the actual url.
- $this->context->output->redirect( $url, 301 );
+ $output->redirect( $url, 301 );
} else {
- $this->context->title = new BadTitle;
+ $this->context->setTitle( SpecialPage::getTitleFor( 'Badtitle' ) );
wfProfileOut( __METHOD__ );
- throw new ErrorPageError( 'badtitle', 'badtitletext' );
+ throw new BadTitleError();
}
// Redirect loops, no title in URL, $wgUsePathInfo URLs, and URLs with a variant
- } else if ( $this->context->request->getVal( 'action', 'view' ) == 'view' && !$this->context->request->wasPosted()
- && ( $this->context->request->getVal( 'title' ) === null || $this->context->title->getPrefixedDBKey() != $this->context->request->getVal( 'title' ) )
- && !count( array_diff( array_keys( $this->context->request->getValues() ), array( 'action', 'title' ) ) ) )
+ } elseif ( $request->getVal( 'action', 'view' ) == 'view' && !$request->wasPosted()
+ && ( $request->getVal( 'title' ) === null ||
+ $title->getPrefixedDBKey() != $request->getVal( 'title' ) )
+ && !count( $request->getValueNames( array( 'action', 'title' ) ) )
+ && wfRunHooks( 'TestCanonicalRedirect', array( $request, $title, $output ) ) )
{
- if ( $this->context->title->getNamespace() == NS_SPECIAL ) {
- list( $name, $subpage ) = SpecialPageFactory::resolveAlias( $this->context->title->getDBkey() );
+ if ( $title->isSpecialPage() ) {
+ list( $name, $subpage ) = SpecialPageFactory::resolveAlias( $title->getDBkey() );
if ( $name ) {
- $this->context->title = SpecialPage::getTitleFor( $name, $subpage );
+ $title = SpecialPage::getTitleFor( $name, $subpage );
}
}
- $targetUrl = $this->context->title->getFullURL();
+ $targetUrl = wfExpandUrl( $title->getFullURL(), PROTO_CURRENT );
// Redirect to canonical url, make it a 301 to allow caching
- if ( $targetUrl == $this->context->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 " .
"\$wgArticlePath setting and/or toggle \$wgUsePathInfo " .
"to true.";
}
- wfHttpError( 500, "Internal error", $message );
- wfProfileOut( __METHOD__ );
- return false;
+ throw new HttpError( 500, $message );
} else {
- $this->context->output->setSquidMaxage( 1200 );
- $this->context->output->redirect( $targetUrl, '301' );
+ $output->setSquidMaxage( 1200 );
+ $output->redirect( $targetUrl, '301' );
}
// Special pages
- } else if ( NS_SPECIAL == $this->context->title->getNamespace() ) {
- // actions that need to be made when we have a special pages
- SpecialPageFactory::executePath( $this->context->title, $this->context );
+ } elseif ( NS_SPECIAL == $title->getNamespace() ) {
+ $pageView = true;
+ // 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 ) ) {
+ $pageView = true;
+ /**
+ * $wgArticle is deprecated, do not use it.
+ * @deprecated since 1.18
+ */
+ global $wgArticle;
+ $wgArticle = new DeprecatedGlobal( 'wgArticle', $article, '1.18' );
+
+ $this->performAction( $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
+
+ if ( $pageView ) {
+ // Promote user to any groups they meet the criteria for
+ $user->addAutopromoteOnceGroups( 'onView' );
+ }
+
wfProfileOut( __METHOD__ );
- return true;
}
/**
* Create an Article object of the appropriate class for the given page.
*
+ * @deprecated in 1.18; use Article::newFromTitle() instead
* @param $title Title
- * @param $context RequestContext
+ * @param $context IContextSource
* @return Article object
*/
- public static function articleFromTitle( $title, RequestContext $context ) {
- if ( NS_MEDIA == $title->getNamespace() ) {
- // FIXME: where should this go?
- $title = Title::makeTitle( NS_FILE, $title->getDBkey() );
- }
-
- $article = null;
- wfRunHooks( 'ArticleFromTitle', array( &$title, &$article ) );
- if ( $article ) {
- return $article;
- }
-
- 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;
+ public static function articleFromTitle( $title, IContextSource $context ) {
+ wfDeprecated( __METHOD__, '1.18' );
+ return Article::newFromTitle( $title, $context );
}
/**
- * 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"
+ * Returns the name of the action that will be executed.
*
- * @return String: action
+ * @return string: action
*/
public function getAction() {
- global $wgDisabledActions;
-
- $action = $this->context->request->getVal( 'action', 'view' );
-
- // Check for disabled actions
- if ( in_array( $action, $wgDisabledActions ) ) {
- return 'nosuchaction';
- }
-
- // Workaround for bug #20966: inability of IE to provide an action dependent
- // on which submit button is clicked.
- if ( $action === 'historysubmit' ) {
- if ( $this->context->request->getBool( 'revisiondelete' ) ) {
- return 'revisiondelete';
- } elseif ( $this->context->request->getBool( 'revisionmove' ) ) {
- return 'revisionmove';
- } else {
- return 'view';
- }
- } elseif ( $action == 'editredlink' ) {
- return 'edit';
+ static $action = null;
+
+ if ( $action === null ) {
+ $action = Action::getActionName( $this->context );
}
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.
*
* @return mixed an Article, or a string to redirect to another URL
*/
private function initializeArticle() {
+ global $wgDisableHardRedirects;
+
wfProfileIn( __METHOD__ );
- $action = $this->context->request->getVal( 'action', 'view' );
- $article = self::articleFromTitle( $this->context->title, $this->context );
+ $title = $this->context->getTitle();
+ $article = Article::newFromTitle( $title, $this->context );
+ $this->context->setWikiPage( $article->getPage() );
// NS_MEDIAWIKI has no redirects.
// It is also used for CSS/JS, so performance matters here...
- if ( $this->context->title->getNamespace() == NS_MEDIAWIKI ) {
+ if ( $title->getNamespace() == NS_MEDIAWIKI ) {
wfProfileOut( __METHOD__ );
return $article;
}
+
+ $request = $this->context->getRequest();
+
// Namespace might change when using redirects
// Check for redirects ...
- $file = ( $this->context->title->getNamespace() == NS_FILE ) ? $article->getFile() : null;
+ $action = $request->getVal( 'action', 'view' );
+ $file = ( $title->getNamespace() == NS_FILE ) ? $article->getFile() : null;
if ( ( $action == 'view' || $action == 'render' ) // ... for actions that show content
- && !$this->context->request->getVal( 'oldid' ) && // ... and are not old revisions
- !$this->context->request->getVal( 'diff' ) && // ... and not when showing diff
- $this->context->request->getVal( 'redirect' ) != 'no' && // ... unless explicitly told not to
+ && !$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() ) )
{
$ignoreRedirect = $target = false;
wfRunHooks( 'InitializeArticleMaybeRedirect',
- array( &$this->context->title, &$this->context->request, &$ignoreRedirect, &$target, &$article ) );
+ array( &$title, &$request, &$ignoreRedirect, &$target, &$article ) );
// Follow redirects only for... redirects.
// If $target is set, then a hook wanted to redirect.
// Is the target already set by an extension?
$target = $target ? $target : $article->followRedirect();
if ( is_string( $target ) ) {
- if ( !$this->getVal( 'DisableHardRedirects' ) ) {
+ if ( !$wgDisableHardRedirects ) {
// we'll need to redirect
wfProfileOut( __METHOD__ );
return $target;
}
if ( is_object( $target ) ) {
// Rewrite environment to redirected article
- $rarticle = self::articleFromTitle( $target, $this->context );
+ $rarticle = Article::newFromTitle( $target, $this->context );
$rarticle->loadPageData();
if ( $rarticle->exists() || ( is_object( $file ) && !$file->isLocal() ) ) {
- $rarticle->setRedirectedFrom( $this->context->title );
+ $rarticle->setRedirectedFrom( $title );
$article = $rarticle;
- $this->context->title = $target;
+ $this->context->setTitle( $target );
+ $this->context->setWikiPage( $article->getPage() );
}
}
} else {
- $this->context->title = $article->getTitle();
+ $this->context->setTitle( $article->getTitle() );
+ $this->context->setWikiPage( $article->getPage() );
}
}
+
wfProfileOut( __METHOD__ );
return $article;
}
$factory = wfGetLBFactory();
$factory->commitMasterChanges();
// Output everything!
- $this->context->output->output();
+ $this->context->getOutput()->output();
// Do any deferred jobs
- wfDoUpdates( 'commit' );
- // Close the session so that jobs don't access the current session
- session_write_close();
+ DeferredUpdates::doUpdates( 'commit' );
$this->doJobs();
wfProfileOut( __METHOD__ );
}
while ( $n-- && false != ( $job = Job::pop() ) ) {
$output = $job->toString() . "\n";
- $t = -wfTime();
+ $t = - microtime( true );
$success = $job->run();
- $t += wfTime();
+ $t += microtime( true );
$t = round( $t * 1000 );
if ( !$success ) {
$output .= "Error: " . $job->getLastError() . ", Time: $t ms\n";
/**
* Perform one of the "standard" actions
*
- * @param $article Article
+ * @param $page Page
*/
- private function performAction( $article ) {
+ private function performAction( Page $page ) {
wfProfileIn( __METHOD__ );
- if ( !wfRunHooks( 'MediaWikiPerformAction', array(
- $this->context->output, $article, $this->context->title,
- $this->context->user, $this->context->request, $this ) ) )
+ $request = $this->context->getRequest();
+ $output = $this->context->getOutput();
+ $title = $this->context->getTitle();
+ $user = $this->context->getUser();
+
+ if ( !wfRunHooks( 'MediaWikiPerformAction',
+ array( $output, $page, $title, $user, $request, $this ) ) )
{
wfProfileOut( __METHOD__ );
return;
$act = $this->getAction();
- $action = Action::factory( $this->getAction(), $article );
- if( $action instanceof Action ){
+ $action = Action::factory( $act, $page );
+ if ( $action instanceof Action ) {
$action->show();
wfProfileOut( __METHOD__ );
return;
}
- switch( $act ) {
- case 'view':
- $this->context->output->setSquidMaxage( $this->getVal( 'SquidMaxage' ) );
- $article->view();
- break;
- case 'raw': // includes JS/CSS
- wfProfileIn( __METHOD__ . '-raw' );
- $raw = new RawPage( $article );
- $raw->view();
- wfProfileOut( __METHOD__ . '-raw' );
- break;
- case 'delete':
- case 'revert':
- case 'rollback':
- case 'protect':
- case 'unprotect':
- case 'info':
- case 'markpatrolled':
- case 'render':
- case 'deletetrackback':
- $article->$act();
- 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' ) );
+ if ( wfRunHooks( 'UnknownAction', array( $request->getVal( 'action', 'view' ), $page ) ) ) {
+ $output->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
+ }
+
+ wfProfileOut( __METHOD__ );
+ }
+
+ /**
+ * Run the current MediaWiki instance
+ * index.php just calls this
+ */
+ public function run() {
+ try {
+ $this->checkMaxLag();
+ $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.
+ * @return bool
+ */
+ private function checkMaxLag() {
+ global $wgShowHostnames;
+
+ wfProfileIn( __METHOD__ );
+ $maxLag = $this->context->getRequest()->getVal( 'maxlag' );
+ if ( !is_null( $maxLag ) ) {
+ list( $host, $lag ) = wfGetLB()->getMaxLag();
+ if ( $lag > $maxLag ) {
+ $resp = $this->context->getRequest()->response();
+ $resp->header( 'HTTP/1.1 503 Service Unavailable' );
+ $resp->header( 'Retry-After: ' . max( intval( $maxLag ), 5 ) );
+ $resp->header( 'X-Database-Lag: ' . intval( $lag ) );
+ $resp->header( 'Content-Type: text/plain' );
+ if( $wgShowHostnames ) {
+ echo "Waiting for $host: $lag seconds lagged\n";
} else {
- $rdf = new CreativeCommonsRdf( $article );
- $rdf->show();
+ echo "Waiting for a database server: $lag seconds lagged\n";
}
- break;
- case 'submit':
- if ( session_id() == '' ) {
- // Send a cookie so anons get talk message notifications
- wfSetupSession();
- }
- // Continue...
- case 'edit':
- if ( wfRunHooks( 'CustomEditor', array( $article, $this->context->user ) ) ) {
- $internal = $this->context->request->getVal( 'internaledit' );
- $external = $this->context->request->getVal( 'externaledit' );
- $section = $this->context->request->getVal( 'section' );
- $oldid = $this->context->request->getVal( 'oldid' );
- if ( !$this->getVal( 'UseExternalEditor' ) || $act == 'submit' || $internal ||
- $section || $oldid || ( !$this->context->user->getOption( 'externaleditor' ) && !$external ) ) {
- $editor = new EditPage( $article );
- $editor->submit();
- } elseif ( $this->getVal( 'UseExternalEditor' ) && ( $external || $this->context->user->getOption( 'externaleditor' ) ) ) {
- $mode = $this->context->request->getVal( 'mode' );
- $extedit = new ExternalEdit( $article, $mode );
- $extedit->edit();
+
+ wfProfileOut( __METHOD__ );
+
+ exit;
+ }
+ }
+ wfProfileOut( __METHOD__ );
+ return true;
+ }
+
+ private function main() {
+ global $wgUseFileCache, $wgTitle, $wgUseAjax;
+
+ wfProfileIn( __METHOD__ );
+
+ $request = $this->context->getRequest();
+
+ // Send Ajax requests to the Ajax dispatcher.
+ if ( $wgUseAjax && $request->getVal( 'action', 'view' ) == 'ajax' ) {
+
+ // Set a dummy title, because $wgTitle == null might break things
+ $title = Title::makeTitle( NS_MAIN, 'AJAX' );
+ $this->context->setTitle( $title );
+ $wgTitle = $title;
+
+ $dispatcher = new AjaxDispatcher();
+ $dispatcher->performAction();
+ wfProfileOut( __METHOD__ );
+ return;
+ }
+
+ // Get title from request parameters,
+ // is set on the fly by parseTitle the first time.
+ $title = $this->getTitle();
+ $action = $this->getAction();
+ $wgTitle = $title;
+
+ if ( $wgUseFileCache && $title->getNamespace() >= 0 ) {
+ wfProfileIn( 'main-try-filecache' );
+ if ( HTMLFileCache::useFileCache( $this->context ) ) {
+ // Try low-level file cache hit
+ $cache = HTMLFileCache::newFromTitle( $title, $action );
+ if ( $cache->isCacheGood( /* Assume up to date */ ) ) {
+ // Check incoming headers to see if client has this cached
+ $timestamp = $cache->cacheTimestamp();
+ if ( !$this->context->getOutput()->checkLastModified( $timestamp ) ) {
+ $cache->loadFromFileCache( $this->context );
}
+ // Do any stats increment/watchlist stuff
+ $this->context->getWikiPage()->doViewUpdates( $this->context->getUser() );
+ // Tell OutputPage that output is taken care of
+ $this->context->getOutput()->disable();
+ wfProfileOut( 'main-try-filecache' );
+ wfProfileOut( __METHOD__ );
+ return;
}
- break;
- case 'history':
- if ( $this->context->request->getFullRequestURL() == $this->context->title->getInternalURL( 'action=history' ) ) {
- $this->context->output->setSquidMaxage( $this->getVal( 'SquidMaxage' ) );
- }
- $history = new HistoryPage( $article );
- $history->history();
- break;
- case 'revisiondelete':
- // For show/hide submission from history page
- $special = SpecialPageFactory::getPage( 'Revisiondelete' );
- $special->execute( '' );
- break;
- default:
- if ( wfRunHooks( 'UnknownAction', array( $act, $article ) ) ) {
- $this->context->output->showErrorPage( 'nosuchaction', 'nosuchactiontext' );
- }
+ }
+ wfProfileOut( 'main-try-filecache' );
}
+
+ $this->performRequest();
+ $this->finalCleanup();
+
wfProfileOut( __METHOD__ );
}
}
dépôts / lhc / web / wiklou.git / blobdiff