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authorPierre Schmitz <pierre@archlinux.de>2011-12-03 13:29:22 +0100
committerPierre Schmitz <pierre@archlinux.de>2011-12-03 13:29:22 +0100
commitca32f08966f1b51fcb19460f0996bb0c4048e6fe (patch)
treeec04cc15b867bc21eedca904cea9af0254531a11 /includes/Wiki.php
parenta22fbfc60f36f5f7ee10d5ae6fe347340c2ee67c (diff)
Update to MediaWiki 1.18.0
* also update ArchLinux skin to chagnes in MonoBook * Use only css to hide our menu bar when printing
Diffstat (limited to 'includes/Wiki.php')
-rw-r--r--includes/Wiki.php639
1 files changed, 354 insertions, 285 deletions
diff --git a/includes/Wiki.php b/includes/Wiki.php
index 4c3af0f7..173fcd94 100644
--- a/includes/Wiki.php
+++ b/includes/Wiki.php
@@ -1,241 +1,206 @@
<?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 {
- var $params = array();
-
- /** Constructor */
- function __construct() {}
/**
- * 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 IContextSource
*/
- 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 string default value, defaults to empty string
- * @return $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 ){
+ $old = $this->context->getRequest();
+ $this->context->setRequest( $x );
+ return $old;
}
- /**
- * 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, $output ) ) {
- wfProfileOut( __METHOD__ );
- return;
- }
- // Call handleSpecialCases() to deal with all special requests...
- if( !$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 ){
+ $old = $this->context->getOutput();
+ $this->context->setOutput( $x );
+ return $old;
}
- /**
- * 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( IContextSource $context = null ) {
+ if ( !$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 the 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();
- }
+ private function parseTitle() {
+ global $wgContLang;
- $curid = $wgRequest->getInt( 'curid' );
- if( $wgRequest->getCheck( 'search' ) ) {
+ $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 ) {
+ } elseif ( $curid ) {
// URLs like this are generated by RC, because rc_title isn't always accurate
$ret = Title::newFromID( $curid );
- } elseif( $title == '' && $action != 'delete' ) {
+ } 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 ) {
+ 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 = SpecialPage::getTitleFor( 'Badtitle' );
+ }
+
return $ret;
}
/**
- * Checks for anon-cannot-read case
- *
- * @param $title Title
- * @param $output OutputPage
- * @return boolean true if successful
+ * Get the Title object that we'll be acting on, as specified in the WebRequest
+ * @return Title
*/
- function preliminaryChecks( &$title, &$output ) {
- global $wgTitle;
- // 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() ) {
- // Bug 32276: allowing the skin to generate output with $wgTitle
- // 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.
- $badtitle = SpecialPage::getTitleFor( 'Badtitle' );
- $output->setTitle( $badtitle );
- $wgTitle = $badtitle;
-
- $output->loginToUse();
- $this->finalCleanup( $output );
- $output->disable();
- return false;
+ public function getTitle(){
+ if( $this->context->getTitle() === null ){
+ $this->context->setTitle( $this->parseTitle() );
}
- 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 $request WebRequest
- * @return bool true if the request is already executed
+ * @return void
*/
- function handleSpecialCases( &$title, &$output, $request ) {
+ private function performRequest() {
+ global $wgServer, $wgUsePathInfo;
+
wfProfileIn( __METHOD__ );
- $action = $this->getVal( 'Action' );
+ $request = $this->context->getRequest();
+ $title = $this->context->getTitle();
+ $output = $this->context->getOutput();
+ $user = $this->context->getUser();
+
+ if ( $request->getVal( 'printable' ) === 'yes' ) {
+ $output->setPrintable();
+ }
+
+ $pageView = false; // was an article or special page viewed?
+
+ wfRunHooks( 'BeforeInitialize',
+ array( &$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' );
- $output->setTitle( $title ); // bug 21456
+ if ( is_null( $title ) || ( $title->getDBkey() == '' && $title->getInterwiki() == '' ) ||
+ $title->isSpecial( 'Badtitle' ) )
+ {
+ $this->context->setTitle( SpecialPage::getTitleFor( 'Badtitle' ) );
// Die now before we mess up $wgArticle and the skin stops working
throw new ErrorPageError( 'badtitle', 'badtitletext' );
-
+ // If the user is not logged in, the Namespace:title of the article must be in
+ // the Read array in order for the user to see it. (We have to check here to
+ // catch special pages etc. We check again in Article::view())
+ } elseif ( !$title->userCanRead() ) {
+ $output->loginToUse();
// Interwiki redirects
- } else if( $title->getInterwiki() != '' ) {
+ } elseif ( $title->getInterwiki() != '' ) {
$rdfrom = $request->getVal( 'rdfrom' );
- if( $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() ) {
+ // 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' );
- $output->setTitle( $title ); // bug 21456
+ $this->context->setTitle( SpecialPage::getTitleFor( 'Badtitle' ) );
wfProfileOut( __METHOD__ );
throw new ErrorPageError( 'badtitle', 'badtitletext' );
}
// Redirect loops, no title in URL, $wgUsePathInfo URLs, and URLs with a variant
- } else if ( $action == 'view' && !$request->wasPosted()
- && ( $request->getVal( 'title' ) === null || $title->getPrefixedDBKey() != $request->getVal( 'title' ) )
- && !count( array_diff( array_keys( $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 ( $title->getNamespace() == NS_SPECIAL ) {
- list( $name, $subpage ) = SpecialPage::resolveAliasWithSubpage( $title->getDBkey() );
+ list( $name, $subpage ) = SpecialPageFactory::resolveAlias( $title->getDBkey() );
if ( $name ) {
$title = SpecialPage::getTitleFor( $name, $subpage );
}
}
- $targetUrl = $title->getFullURL();
+ $targetUrl = wfExpandUrl( $title->getFullURL(), PROTO_CURRENT );
// 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 " .
@@ -250,78 +215,117 @@ class MediaWiki {
"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() ) {
+ $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. This will possibly be removed
+ * entirely in 1.20 or 1.21
+ * @deprecated since 1.18
+ */
+ global $wgArticle;
+ $wgArticle = $article;
+
+ $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" );
+ }
+ }
+
+ if ( $pageView ) {
+ // Promote user to any groups they meet the criteria for
+ $user->addAutopromoteOnceGroups( 'onView' );
}
- /* Did match a special case */
+
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 $context IContextSource
* @return Article object
*/
- static function articleFromTitle( &$title ) {
- if( NS_MEDIA == $title->getNamespace() ) {
- // FIXME: where should this go?
- $title = Title::makeTitle( NS_FILE, $title->getDBkey() );
- }
+ public static function articleFromTitle( $title, IContextSource $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 necessarily 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 );
+ $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 ) {
+ 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
@@ -331,59 +335,53 @@ class MediaWiki {
// 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) );
+ array( &$title, &$request, &$ignoreRedirect, &$target, &$article ) );
// Follow redirects only for... redirects.
// If $target is set, then a hook wanted to redirect.
- if( !$ignoreRedirect && ($target || $article->isRedirect()) ) {
+ if ( !$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__ );
return $article;
}
/**
- * Cleaning up request by doing:
- ** deferred updates, DB transaction, and the output
- *
- * @param $output OutputPage
+ * Cleaning up request by doing deferred updates, DB transaction, and the output
*/
- function finalCleanup( &$output ) {
+ public function finalCleanup() {
wfProfileIn( __METHOD__ );
// 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();
+ $this->context->getOutput()->output();
// Do any deferred jobs
- wfDoUpdates( true );
+ wfDoUpdates( 'commit' );
$this->doJobs();
wfProfileOut( __METHOD__ );
}
@@ -391,20 +389,20 @@ class MediaWiki {
/**
* 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() ) ) {
@@ -412,8 +410,8 @@ class MediaWiki {
$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";
@@ -425,7 +423,8 @@ class MediaWiki {
/**
* Ends this task peacefully
*/
- function restInPeace() {
+ public function restInPeace() {
+ MessageCache::logMessages();
wfLogProfilingData();
// Commit and close up!
$factory = wfGetLBFactory();
@@ -437,126 +436,196 @@ class MediaWiki {
/**
* 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( Page $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 ||
- $section || $oldid || ( !$user->getOption( 'externaleditor' ) && !$external ) ) {
+ if ( !$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 = new ExternalEdit( $article->getTitle(), $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
+ */
+ public 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
+ */
+ private 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 ) {
+ $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 {
+ echo "Waiting for a database server: $lag seconds lagged\n";
+ }
+ }
+
+ wfProfileOut( __METHOD__ );
+
+ if ( !$abort ) {
+ return false;
+ }
+ exit;
+ }
+ }
+ wfProfileOut( __METHOD__ );
+ return true;
+ }
+
+ private function main() {
+ global $wgUseFileCache, $wgTitle, $wgUseAjax;
+
+ wfProfileIn( __METHOD__ );
+
+ # Set title from request parameters
+ $wgTitle = $this->getTitle();
+ $action = $this->getAction();
+ $user = $this->context->getUser();
+
+ # Send Ajax requests to the Ajax dispatcher.
+ if ( $wgUseAjax && $action == 'ajax' ) {
+ $dispatcher = new AjaxDispatcher();
+ $dispatcher->performAction();
+ wfProfileOut( __METHOD__ );
+ return;
+ }
+
+ if ( $wgUseFileCache && $wgTitle->getNamespace() != NS_SPECIAL ) {
+ wfProfileIn( 'main-try-filecache' );
+ // Raw pages should handle cache control on their own,
+ // even when using file cache. This reduces hits from clients.
+ if ( 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 */
+ $timestamp = $cache->fileCacheTime();
+ if ( !$this->context->getOutput()->checkLastModified( $timestamp ) ) {
+ $cache->loadFromFileCache();
+ }
+ # Do any stats increment/watchlist stuff
+ $article = WikiPage::factory( $wgTitle );
+ $article->doViewUpdates( $user );
+ # 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__ );
+ }
}