X-Git-Url: https://git.cyclocoop.org/admin/?a=blobdiff_plain;f=index.php;h=32ab38472abaef988eed8212b50d298f92f23df4;hb=3897fa0691edccc3a03f3ca46fc4b31b70284abc;hp=8f82ac459b4db1cdca94c917971b9b9e77cfd907;hpb=8137979dd323147fe541377885406a88e85fc3c4;p=lhc%2Fweb%2Fwiklou.git

diff --git a/index.php b/index.php
index 8f82ac459b..32ab38472a 100644
--- a/index.php
+++ b/index.php
@@ -1,202 +1,205 @@
 <?php
 /**
- * Main wiki script; see docs/design.txt
- * @package MediaWiki
+ * This is the main web entry point for MediaWiki.
+ *
+ * If you are reading this in your web browser, your server is probably
+ * not configured correctly to run PHP applications!
+ *
+ * See the README, INSTALL, and UPGRADE files for basic setup instructions
+ * and pointers to the online documentation.
+ *
+ * http://www.mediawiki.org/
+ *
+ * ----------
+ *
+ * Copyright (C) 2001-2011 Magnus Manske, Brion Vibber, Lee Daniel Crocker,
+ * Tim Starling, Erik Möller, Gabriel Wicke, Ævar Arnfjörð Bjarmason,
+ * Niklas Laxström, Domas Mituzas, Rob Church, Yuri Astrakhan, Aryeh Gregor,
+ * Aaron Schulz, Andrew Garrett, Raimond Spekking, Alexandre Emsenhuber
+ * Siebrand Mazeland, Chad Horohoe, Roan Kattouw and others.
+ *
+ * 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
  */
-$wgRequestTime = microtime();
 
-# getrusage() does not exist on the Window$ platform, catching this
-if ( function_exists ( 'getrusage' ) ) {
-	$wgRUstart = getrusage();
-} else {
-	$wgRUstart = array() ;
+// Bail on old versions of PHP.  Pretty much every other file in the codebase
+// has structures (try/catch, foo()->bar(), etc etc) which throw parse errors in PHP 4.
+// Setup.php and ObjectCache.php have structures invalid in PHP 5.0 and 5.1, respectively.
+if ( !function_exists( 'version_compare' ) || version_compare( phpversion(), '5.2.0' ) < 0 ) {
+	$phpversion = htmlspecialchars( phpversion() );
+	$errorMsg = <<<ENDL
+		<p>
+			MediaWiki requires PHP 5.2.3 or higher. You are running PHP $phpversion.
+		</p>
+		<p>
+			Please consider <a href="http://www.php.net/downloads.php">upgrading your copy of PHP</a>.
+			PHP versions less than 5.3.0 are no longer supported by the PHP Group and will not receive
+			security or bugfix updates.
+		</p>
+		<p>
+			If for some reason you are unable to upgrade your PHP version, you will need to
+			<a href="http://www.mediawiki.org/wiki/Download">download</a> an older version
+			of MediaWiki from our website.  See our
+			<a href="http://www.mediawiki.org/wiki/Compatibility#PHP">compatibility page</a>
+			for details of which versions are compatible with prior versions of PHP.
+		</p>
+ENDL;
+	wfDie( $errorMsg );
 }
 
-unset( $IP );
-@ini_set( 'allow_url_fopen', 0 ); # For security...
-
-if ( isset( $_REQUEST['GLOBALS'] ) ) {
-	die( '<a href="http://www.hardened-php.net/index.76.html">$GLOBALS overwrite vulnerability</a>');
-}
-
-# Valid web server entry point, enable includes.
-# Please don't move this line to includes/Defines.php. This line essentially defines
-# a valid entry point. If you put it in includes/Defines.php, then any script that includes
-# it becomes an entry point, thereby defeating its purpose.
-define( 'MEDIAWIKI', true );
-require_once( './includes/Defines.php' );
-
-if( !file_exists( 'LocalSettings.php' ) ) {
-	$IP = "." ;
-	require_once( 'includes/DefaultSettings.php' ); # used for printing the version
-?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'>
-	<head>
-		<title>MediaWiki <?php echo $wgVersion ?></title>
-		<meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
-		<style type='text/css' media='screen, projection'>
-			html, body {
-				color: #000;
-				background-color: #fff;
-				font-family: sans-serif;
-				text-align: center;
-			}
-
-			h1 {
-				font-size: 150%;
-			}
-		</style>
-	</head>
-	<body>
-		<img src='skins/common/images/mediawiki.png' alt='The MediaWiki logo' />
-
-		<h1>MediaWiki <?php echo $wgVersion ?></h1>
-		<div class='error'>
-		<?php
-		if ( file_exists( 'config/LocalSettings.php' ) ) {
-			echo( "To complete the installation, move <tt>config/LocalSettings.php</tt> to the parent directory." );
+# Initialise common code.  This gives us access to GlobalFunctions, the AutoLoader, and
+# the globals $wgRequest, $wgOut, $wgUser, $wgLang and $wgContLang, amongst others; it
+# does *not* load $wgTitle or $wgArticle
+require ( dirname( __FILE__ ) . '/includes/WebStart.php' );
+
+wfProfileIn( 'index.php' );
+wfProfileIn( 'index.php-setup' );
+
+$maxLag = $wgRequest->getVal( 'maxlag' );
+if ( !is_null( $maxLag ) ) {
+	$lb = wfGetLB(); // foo()->bar() is not supported in PHP4
+	list( $host, $lag ) = $lb->getMaxLag();
+	if ( $lag > $maxLag ) {
+		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( "Please <a href='config/index.php' title='setup'>setup the wiki</a> first." );
+			echo "Waiting for a database server: $lag seconds lagged\n";
 		}
-		?>
-
-		</div>
-	</body>
-</html>
-<?php
-	die();
+		exit;
+	}
 }
 
-require_once( './LocalSettings.php' );
-require_once( 'includes/Setup.php' );
-
-wfProfileIn( 'main-misc-setup' );
-OutputPage::setEncodings(); # Not really used yet
+# Initialize MediaWiki base class
+$context = RequestContext::getMain();
+$mediaWiki = new MediaWiki( $context );
 
-# Query string fields
+# Set title from request parameters
+$wgTitle = $mediaWiki->getTitle();
 $action = $wgRequest->getVal( 'action', 'view' );
-$title = $wgRequest->getVal( 'title' );
-
-if ($wgRequest->getVal( 'printable' ) == 'yes') {
-	$wgOut->setPrintable();
-}
-
-if ( '' == $title && 'delete' != $action ) {
-	$wgTitle = Title::newFromText( wfMsgForContent( 'mainpage' ) );
-} elseif ( $curid = $wgRequest->getInt( 'curid' ) ) {
-	# URLs like this are generated by RC, because rc_title isn't always accurate
-	$wgTitle = Title::newFromID( $curid );
-} else {
-	$wgTitle = 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($wgTitle) && $wgTitle->getArticleID() == 0 )
-		$wgContLang->findVariantLink( $title, $wgTitle );
-
-}
-wfProfileOut( 'main-misc-setup' );
 
-# Debug statement for user levels
-// print_r($wgUser);
+wfProfileOut( 'index.php-setup' );
 
-$search = $wgRequest->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...
-	$wgTitle = Title::makeTitle( NS_SPECIAL, '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( $wgTitle ) && !$wgTitle->userCanRead() ) {
-	$wgOut->loginToUse();
-	$wgOut->output();
+# Send Ajax requests to the Ajax dispatcher.
+if ( $wgUseAjax && $action == 'ajax' ) {
+	$dispatcher = new AjaxDispatcher();
+	$dispatcher->performAction();
+	wfProfileOut( 'index.php' );
+	$mediaWiki->restInPeace();
 	exit;
 }
 
-wfProfileIn( 'main-action' );
-
-if( !$wgDisableInternalSearch && !is_null( $search ) && $search !== '' ) {
-	require_once( 'includes/SpecialSearch.php' );
-	$wgTitle = Title::makeTitle( NS_SPECIAL, 'Search' );
-	wfSpecialSearch();
-} else if( !$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 {
-		$url = $wgTitle->getFullURL();
-	}
-	# Check for a redirect loop
-	if ( !preg_match( '/^' . preg_quote( $wgServer, '/' ) . '/', $url ) && $wgTitle->isLocal() ) {
-		$wgOut->redirect( $url );
-	} else {
-		$wgTitle = Title::newFromText( wfMsgForContent( 'badtitle' ) );
-		$wgOut->errorpage( 'badtitle', 'badtitletext' );
-	}
-} else if ( ( $action == 'view' ) &&
-	(!isset( $_GET['title'] ) || $wgTitle->getPrefixedDBKey() != $_GET['title'] ) &&
-	!count( array_diff( array_keys( $_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 );
-} else {
-
-
-	require_once ( "includes/Wiki.php" ) ;
-	$mediaWiki = new MediaWiki() ;
-
-	$wgArticle =& $mediaWiki->initializeArticle ( $wgTitle , $action ) ;
-
-	if ( in_array( $action, $wgDisabledActions ) ) {
-		$wgOut->errorpage( 'nosuchaction', 'nosuchactiontext' );
-	} else {
-		$mediaWiki->setVal ( "SquidMaxage" , $wgSquidMaxage ) ;
-		$mediaWiki->setVal ( "EnableDublinCoreRdf" , $wgEnableDublinCoreRdf ) ;
-		$mediaWiki->setVal ( "EnableCreativeCommonsRdf" , $wgEnableCreativeCommonsRdf ) ;
-		$mediaWiki->setVal ( "CommandLineMode" , $wgCommandLineMode ) ;
-		$mediaWiki->setVal ( "UseExternalEditor" , $wgUseExternalEditor ) ;
-		$mediaWiki->performAction ( $action , $wgOut , $wgArticle , $wgTitle , $wgUser , $wgRequest ) ;
+if ( $wgUseFileCache && $wgTitle !== null ) {
+	wfProfileIn( 'index.php-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 ( $cache->isFileCacheGood( /* Assume up to date */ ) ) {
+			/* Check incoming headers to see if client has this cached */
+			if ( !$context->output->checkLastModified( $cache->fileCacheTime() ) ) {
+				$cache->loadFromFileCache();
+			}
+			# Do any stats increment/watchlist stuff
+			$wgArticle = MediaWiki::articleFromTitle( $wgTitle );
+			$wgArticle->viewUpdates();
+			# Tell OutputPage that output is taken care of
+			$context->output->disable();
+			wfProfileOut( 'index.php-filecache' );
+			$mediaWiki->finalCleanup();
+			wfProfileOut( 'index.php' );
+			$mediaWiki->restInPeace();
+			exit;
+		}
 	}
-
-
+	wfProfileOut( 'index.php-filecache' );
 }
-wfProfileOut( 'main-action' );
-
-# 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' );
-foreach ( $wgDeferredUpdateList as $up ) {
-	$up->doUpdate();
-}
-wfProfileOut( 'main-updates' );
-
-wfProfileIn( 'main-cleanup' );
-$wgLoadBalancer->saveMasterPos();
 
-# Now commit any transactions, so that unreported errors after output() don't roll back the whole thing
-$wgLoadBalancer->commitAll();
+# Setting global variables in mediaWiki
+$mediaWiki->setVal( 'DisableHardRedirects', $wgDisableHardRedirects );
+$mediaWiki->setVal( 'EnableCreativeCommonsRdf', $wgEnableCreativeCommonsRdf );
+$mediaWiki->setVal( 'EnableDublinCoreRdf', $wgEnableDublinCoreRdf );
+$mediaWiki->setVal( 'Server', $wgServer );
+$mediaWiki->setVal( 'SquidMaxage', $wgSquidMaxage );
+$mediaWiki->setVal( 'UseExternalEditor', $wgUseExternalEditor );
+$mediaWiki->setVal( 'UsePathInfo', $wgUsePathInfo );
 
-$wgOut->output();
+$mediaWiki->performRequestForTitle( $wgArticle );
+$mediaWiki->finalCleanup();
 
-foreach ( $wgPostCommitUpdateList as $up ) {
-	$up->doUpdate();
-}
+wfProfileOut( 'index.php' );
 
-wfProfileOut( 'main-cleanup' );
+$mediaWiki->restInPeace();
 
-wfProfileClose();
-logProfilingData();
-$wgLoadBalancer->closeAll();
-wfDebug( "Request ended normally\n" );
-?>
+/**
+ * Display something vaguely comprehensible in the event of a totally unrecoverable error.
+ * Does not assume access to *anything*; no globals, no autloader, no database, no localisation.
+ * Safe for PHP4 (and putting this here means that WebStart.php and GlobalSettings.php
+ * no longer need to be).
+ *
+ * Calling this function kills execution immediately.
+ *
+ * @param $errorMsg String fully-escaped HTML
+ */
+function wfDie( $errorMsg ){
+	// Use the version set in DefaultSettings if possible, but don't rely on it
+	global $wgVersion, $wgLogo;
+	$version = isset( $wgVersion ) && $wgVersion
+		? htmlspecialchars( $wgVersion )
+		: '';
+	$logo = isset( $wgLogo ) && $wgLogo
+		? $wgLogo
+		: 'http://upload.wikimedia.org/wikipedia/commons/1/1c/MediaWiki_logo.png';
+
+	header( $_SERVER['SERVER_PROTOCOL'] . ' 500 MediaWiki configuration Error', true, 500 );
+
+	?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns='http://www.w3.org/1999/xhtml' lang='en'>
+	<head>
+		<title>MediaWiki <?php echo $version; ?></title>
+		<meta http-equiv='Content-Type' content='text/html; charset=utf-8' />
+		<style type='text/css' media='screen'>
+			body {
+				color: #000;
+				background-color: #fff;
+				font-family: sans-serif;
+				padding: 2em;
+				text-align: center;
+			}
+			p, img, h1 {
+				text-align: left;
+				margin: 0.5em 0;
+			}
+			h1 {
+				font-size: 120%;
+			}
+		</style>
+	</head>
+	<body>
+		<img src="<?php echo $logo; ?>" alt='The MediaWiki logo' />
+		<h1>MediaWiki <?php echo $version; ?> internal error</h1>
+		<div class='error'> <?php echo $errorMsg; ?> </div>
+	</body>
+</html>
+	<?php
+	die( 1 );
+}
\ No newline at end of file