<?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
*/
-# In the beginning...
-require_once( "./includes/Wiki.php" );
-$wgRequestTime = microtime();
-$wgRUstart = MediaWiki::getRUsage();
-unset( $IP );
-MediaWiki::ckeckGlobalsVulnerability();
-
-# 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' );
+// 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 );
+}
+# 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' );
+}
-# Initialize MediaWiki base class
$mediaWiki = new MediaWiki();
-$mediaWiki->checkSetup();
-
-# These can't be done in mdiaWiki.php for some weird reason
-require_once( './LocalSettings.php' );
-require_once( 'includes/Setup.php' );
+$mediaWiki->run();
-OutputPage::setEncodings(); # Not really used yet
+/**
+ * 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( $wgVersion )
+ : '';
-$mediaWiki->setVal( "Request", $wgRequest );
+ $script = $_SERVER['SCRIPT_NAME'];
+ $path = pathinfo( $script, PATHINFO_DIRNAME ) . '/';
+ $path = str_replace( '//', '/', $path );
-# Query string fields
-$mediaWiki->initializeActionTitle();
-$action = $mediaWiki->getVal( 'action' ); # Global might be needed somewhere, sadly...
+ $logo = isset( $wgLogo ) && $wgLogo
+ ? $wgLogo
+ : $path . 'skins/common/images/mediawiki.png';
+ $encLogo = htmlspecialchars( $logo );
-# Run initial queries
-$wgTitle = $mediaWiki->checkInitialQueries( $wgOut, $wgContLang );
+ header( $_SERVER['SERVER_PROTOCOL'] . ' 500 MediaWiki configuration Error', true, 500 );
+ header( 'Content-type: text/html; charset=UTF-8' );
+ // Don't cache error pages! They cause no end of trouble...
+ header( 'Cache-control: none' );
+ header( 'Pragma: nocache' );
-# Is this necessary? Who knows...
-if ($wgTitle == NULL) {
- unset( $wgTitle );
+ ?>
+<!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( "Server", $wgServer );
-$mediaWiki->setVal( "DisableInternalSearch", $wgDisableInternalSearch );
-$mediaWiki->setVal( "SquidMaxage", $wgSquidMaxage );
-$mediaWiki->setVal( "EnableDublinCoreRdf", $wgEnableDublinCoreRdf );
-$mediaWiki->setVal( "EnableCreativeCommonsRdf", $wgEnableCreativeCommonsRdf );
-$mediaWiki->setVal( "CommandLineMode", $wgCommandLineMode );
-$mediaWiki->setVal( "UseExternalEditor", $wgUseExternalEditor );
-$mediaWiki->setVal( "DisabledActions", $wgDisabledActions );
-
-$wgArticle = $mediaWiki->initialize ( $wgTitle, $wgOut, $wgUser );
-$mediaWiki->finalCleanup ( $wgDeferredUpdateList, $wgLoadBalancer, $wgOut );
-$mediaWiki->doUpdates( $wgPostCommitUpdateList );
-$mediaWiki->restInPeace( $wgLoadBalancer );
-?>