<?php
-
/**
* This is the main web entry point for MediaWiki.
*
*
* ----------
*
- * Copyright (C) 2001-2008 Magnus Manske, Brion Vibber, Lee Daniel Crocker,
+ * 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 and others.
+ * 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
* 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
*/
+// Load global constants, including MW_VERSION and MW_MIN_PHP_VERSION
+require_once( dirname( __FILE__ ) . '/includes/Defines.php' );
+
+// 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(), MW_MIN_PHP_VERSION ) < 0 ) {
+ $phpversion = htmlspecialchars( phpversion() );
+ $reqVersion = htmlspecialchars( MW_MIN_PHP_VERSION );
+ $errorMsg = <<<ENDL
+ <p>
+ MediaWiki requires PHP $reqVersion 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( $errorMsg );
+}
-# Initialise common code
-$preIP = dirname( __FILE__ );
-require_once( "$preIP/includes/WebStart.php" );
-
-# Initialize MediaWiki base class
-require_once( "$preIP/includes/Wiki.php" );
-$mediaWiki = new MediaWiki();
+# 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( 'main-misc-setup' );
-OutputPage::setEncodings(); # Not really used yet
+wfProfileIn( 'index.php' );
+wfProfileIn( 'index.php-setup' );
$maxLag = $wgRequest->getVal( 'maxlag' );
if ( !is_null( $maxLag ) ) {
- if ( !$mediaWiki->checkMaxLag( $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 "Waiting for a database server: $lag seconds lagged\n";
+ }
exit;
}
}
-# Query string fields
-$action = $wgRequest->getVal( 'action', 'view' );
-$title = $wgRequest->getVal( 'title' );
+# Initialize MediaWiki base class
+$context = RequestContext::getMain();
+$mediaWiki = new MediaWiki( $context );
-$wgTitle = $mediaWiki->checkInitialQueries( $title, $action );
-if ($wgTitle == NULL) {
- unset( $wgTitle );
-}
+# Set title from request parameters
+$wgTitle = $mediaWiki->getTitle();
+$action = $wgRequest->getVal( 'action', 'view' );
-wfProfileOut( 'main-misc-setup' );
+wfProfileOut( 'index.php-setup' );
-#
# Send Ajax requests to the Ajax dispatcher.
-#
if ( $wgUseAjax && $action == 'ajax' ) {
- require_once( $IP . '/includes/AjaxDispatcher.php' );
-
$dispatcher = new AjaxDispatcher();
$dispatcher->performAction();
+ wfProfileOut( 'index.php' );
$mediaWiki->restInPeace();
exit;
}
+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, $context );
+ $wgArticle->viewUpdates();
+ # Tell OutputPage that output is taken care of
+ $context->output->disable();
+ wfProfileOut( 'index.php-filecache' );
+ $mediaWiki->finalCleanup();
+ wfProfileOut( 'index.php' );
+ $mediaWiki->restInPeace();
+ exit;
+ }
+ }
+ wfProfileOut( 'index.php-filecache' );
+}
+
# Setting global variables in mediaWiki
-$mediaWiki->setVal( 'action', $action );
-$mediaWiki->setVal( 'CommandLineMode', $wgCommandLineMode );
-$mediaWiki->setVal( 'DisabledActions', $wgDisabledActions );
$mediaWiki->setVal( 'DisableHardRedirects', $wgDisableHardRedirects );
-$mediaWiki->setVal( 'DisableInternalSearch', $wgDisableInternalSearch );
$mediaWiki->setVal( 'EnableCreativeCommonsRdf', $wgEnableCreativeCommonsRdf );
$mediaWiki->setVal( 'EnableDublinCoreRdf', $wgEnableDublinCoreRdf );
-$mediaWiki->setVal( 'JobRunRate', $wgJobRunRate );
$mediaWiki->setVal( 'Server', $wgServer );
$mediaWiki->setVal( 'SquidMaxage', $wgSquidMaxage );
$mediaWiki->setVal( 'UseExternalEditor', $wgUseExternalEditor );
$mediaWiki->setVal( 'UsePathInfo', $wgUsePathInfo );
-$mediaWiki->initialize( $wgTitle, $wgArticle, $wgOut, $wgUser, $wgRequest );
-$mediaWiki->finalCleanup ( $wgDeferredUpdateList, $wgOut );
+$mediaWiki->performRequestForTitle( $wgArticle );
+$mediaWiki->finalCleanup();
-# Not sure when $wgPostCommitUpdateList gets set, so I keep this separate from finalCleanup
-$mediaWiki->doUpdates( $wgPostCommitUpdateList );
+wfProfileOut( 'index.php' );
$mediaWiki->restInPeace();
+/**
+ * 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 ){
+ global $wgLogo;
+ $version = htmlspecialchars( MW_VERSION );
+ $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 );
+ header( 'Content-type: text/html; charset=UTF-8' );
+ // Don't cache error pages! They cause no end of trouble...
+ header( 'Cache-control: none' );
+ header( 'Pragma: nocache' );
+
+ ?>
+<!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
dépôts / lhc / web / wiklou.git / blobdiff