3 * This does the initial setup for a web request.
4 * It does some security checks, starts the profiler and loads the
5 * configuration, and optionally loads Setup.php depending on whether
6 * MW_NO_SETUP is defined.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
21 * http://www.gnu.org/copyleft/gpl.html
26 # Protect against register_globals
27 # This must be done before any globals are set by the code
28 if ( ini_get( 'register_globals' ) ) {
29 if ( isset( $_REQUEST['GLOBALS'] ) ||
isset( $_FILES['GLOBALS'] ) ) {
30 die( '<a href="http://www.hardened-php.net/globals-problem">$GLOBALS overwrite vulnerability</a>');
50 foreach ( $_REQUEST as $name => $value ) {
51 if( in_array( $name, $verboten ) ) {
52 header( "HTTP/1.1 500 Internal Server Error" );
53 echo "register_globals security paranoia: trying to overwrite superglobals, aborting.";
56 unset( $GLOBALS[$name] );
60 # bug 15461: Make IE8 turn off content sniffing. Everbody else should ignore this
61 # We're adding it here so that it's *always* set, even for alternate entry
62 # points and when $wgOut gets disabled or overridden.
63 header( 'X-Content-Type-Options: nosniff' );
65 $wgRequestTime = microtime(true);
66 # getrusage() does not exist on the Microsoft Windows platforms, catching this
67 if ( function_exists ( 'getrusage' ) ) {
68 $wgRUstart = getrusage();
74 # Valid web server entry point, enable includes.
75 # Please don't move this line to includes/Defines.php. This line essentially
76 # defines a valid entry point. If you put it in includes/Defines.php, then
77 # any script that includes it becomes an entry point, thereby defeating
79 define( 'MEDIAWIKI', true );
81 # Full path to working directory.
82 # Makes it possible to for example to have effective exclude path in apc.
83 # Also doesn't break installations using symlinked includes, like
85 $IP = getenv( 'MW_INSTALL_PATH' );
86 if ( $IP === false ) {
87 $IP = realpath( '.' );
90 if ( isset( $_SERVER['MW_COMPILED'] ) ) {
91 define( 'MW_COMPILED', 1 );
94 require_once( "$IP/includes/Init.php" );
96 # Start the autoloader, so that extensions can derive classes from core files
97 require_once( "$IP/includes/AutoLoader.php" );
100 require_once( "$IP/includes/profiler/Profiler.php" );
102 # Load up some global defines.
103 require_once( "$IP/includes/Defines.php" );
107 $wgProfiler = array();
108 if ( file_exists( "$IP/StartProfiler.php" ) ) {
109 require( "$IP/StartProfiler.php" );
112 wfProfileIn( 'WebStart.php-conf' );
114 # Load default settings
115 require_once( MWInit
::compiledPath( "includes/DefaultSettings.php" ) );
117 if ( defined( 'MW_CONFIG_CALLBACK' ) ) {
118 # Use a callback function to configure MediaWiki
119 MWFunction
::call( MW_CONFIG_CALLBACK
);
121 if ( !defined( 'MW_CONFIG_FILE' ) ) {
122 define('MW_CONFIG_FILE', MWInit
::interpretedPath( 'LocalSettings.php' ) );
125 # LocalSettings.php is the per site customization file. If it does not exist
126 # the wiki installer needs to be launched or the generated file uploaded to
127 # the root wiki directory
128 if( !file_exists( MW_CONFIG_FILE
) ) {
129 require_once( "$IP/includes/templates/NoLocalSettings.php" );
133 # Include site settings. $IP may be changed (hopefully before the AutoLoader is invoked)
134 require_once( MW_CONFIG_FILE
);
137 if ( $wgEnableSelenium ) {
138 require_once( MWInit
::compiledPath( "includes/SeleniumWebSettings.php" ) );
141 wfProfileOut( 'WebStart.php-conf' );
143 wfProfileIn( 'WebStart.php-ob_start' );
144 # Initialise output buffering
145 # Check that there is no previous output or previously set up buffers, because
146 # that would cause us to potentially mix gzip and non-gzip output, creating a
148 if ( !defined( 'MW_NO_OUTPUT_BUFFER' ) && ob_get_level() == 0 ) {
149 if ( !defined( 'MW_COMPILED' ) ) {
150 require_once( "$IP/includes/OutputHandler.php" );
152 ob_start( 'wfOutputHandler' );
154 wfProfileOut( 'WebStart.php-ob_start' );
156 if ( !defined( 'MW_NO_SETUP' ) ) {
157 require_once( MWInit
::compiledPath( "includes/Setup.php" ) );