<?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
*/
-
-# 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();
-
-wfProfileIn( 'main-misc-setup' );
-OutputPage::setEncodings(); # Not really used yet
-
-$maxLag = $wgRequest->getVal( 'maxlag' );
-if( !is_null($maxLag) && !$mediaWiki->checkMaxLag( $maxLag ) ) {
- exit;
+// 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(), '5.2.3' ) < 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( $errorMsg );
}
-# Query string fields
-$action = $wgRequest->getVal( 'action', 'view' );
-$title = $wgRequest->getVal( 'title' );
-
-$wgTitle = $mediaWiki->checkInitialQueries( $title, $action );
-if( $wgTitle === NULL ) {
- unset( $wgTitle );
+# 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
+if ( isset( $_SERVER['MW_COMPILED'] ) ) {
+ require ( 'phase3/includes/WebStart.php' );
+} else {
+ require ( dirname( __FILE__ ) . '/includes/WebStart.php' );
}
-wfProfileOut( 'main-misc-setup' );
-
-#
-# Send Ajax requests to the Ajax dispatcher.
-#
-if( $wgUseAjax && $action == 'ajax' ) {
- require_once( $IP . '/includes/AjaxDispatcher.php' );
+$mediaWiki = new MediaWiki();
+$mediaWiki->run();
- $dispatcher = new AjaxDispatcher();
- $dispatcher->performAction();
- $mediaWiki->restInPeace();
- exit;
+/**
+ * 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 )
+ : '';
+
+ $script = $_SERVER['SCRIPT_NAME'];
+ $path = pathinfo( $script, PATHINFO_DIRNAME ) . '/';
+ $path = str_replace( '//', '/', $path );
+
+ $logo = isset( $wgLogo ) && $wgLogo
+ ? $wgLogo
+ : $path . 'skins/common/images/mediawiki.png';
+ $encLogo = htmlspecialchars( $logo );
+
+ 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 $encLogo; ?>" alt='The MediaWiki logo' />
+ <h1>MediaWiki <?php echo $version; ?> internal error</h1>
+ <div class='error'> <?php echo $errorMsg; ?> </div>
+ </body>
+</html>
+ <?php
+ die( 1 );
}
-
-# Setting global variables in mediaWiki
-$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 );
-
-# Not sure when $wgPostCommitUpdateList gets set, so I keep this separate from finalCleanup
-$mediaWiki->doUpdates( $wgPostCommitUpdateList );
-
-$mediaWiki->restInPeace();
-