<?php
/**
* This does the initial set up for a web request.
- * It does some security checks, starts the profiler and loads the
- * configuration, and optionally loads Setup.php depending on whether
- * MW_NO_SETUP is defined.
*
- * Setup.php (if loaded) then sets up GlobalFunctions, the AutoLoader,
- * and the configuration globals.
+ * It does some security checks, loads autoloaders, constants, and
+ * global functions, starts the profiler, loads the configuration,
+ * and loads Setup.php, which loads extensions using the extension
+ * registration system and initializes the application's global state.
*
* 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
die( 'MediaWiki does not support installations where mbstring.func_overload is non-zero.' );
}
-# bug 15461: Make IE8 turn off content sniffing. Everybody else should ignore this
+# T17461: Make IE8 turn off content sniffing. Everybody else should ignore this
# We're adding it here so that it's *always* set, even for alternate entry
# points and when $wgOut gets disabled or overridden.
header( 'X-Content-Type-Options: nosniff' );
# its purpose.
define( 'MEDIAWIKI', true );
-# Full path to working directory.
-# Makes it possible to for example to have effective exclude path in apc.
-# __DIR__ breaks symlinked includes, but realpath() returns false
-# if we don't have permissions on parent directories.
+# Full path to the installation directory.
$IP = getenv( 'MW_INSTALL_PATH' );
if ( $IP === false ) {
- $IP = realpath( '.' ) ?: dirname( __DIR__ );
+ $IP = dirname( __DIR__ );
}
-# Grab profiling functions
-require_once "$IP/includes/profiler/ProfilerFunctions.php";
-
-# Start the autoloader, so that extensions can derive classes from core files
-require_once "$IP/includes/AutoLoader.php";
-
-# Load up some global defines.
-require_once "$IP/includes/Defines.php";
-
-# Start the profiler
-$wgProfiler = [];
-if ( file_exists( "$IP/StartProfiler.php" ) ) {
- require "$IP/StartProfiler.php";
-}
-
-# Load default settings
-require_once "$IP/includes/DefaultSettings.php";
-
-# Load global functions
-require_once "$IP/includes/GlobalFunctions.php";
-
-# Load composer's autoloader if present
-if ( is_readable( "$IP/vendor/autoload.php" ) ) {
- require_once "$IP/vendor/autoload.php";
-}
-
-# Assert that composer dependencies were successfully loaded
-# Purposely no leading \ due to it breaking HHVM RepoAuthorative mode
-# PHP works fine with both versions
-# See https://github.com/facebook/hhvm/issues/5833
-if ( !interface_exists( 'Psr\Log\LoggerInterface' ) ) {
- $message = (
- 'MediaWiki requires the <a href="https://github.com/php-fig/log">PSR-3 logging ' .
- "library</a> to be present. This library is not embedded directly in MediaWiki's " .
- "git repository and must be installed separately by the end user.\n\n" .
- 'Please see <a href="https://www.mediawiki.org/wiki/Download_from_Git' .
- '#Fetch_external_libraries">mediawiki.org</a> for help on installing ' .
- 'the required components.'
- );
- echo $message;
- trigger_error( $message, E_USER_ERROR );
- die( 1 );
-}
-
-if ( defined( 'MW_CONFIG_CALLBACK' ) ) {
- # Use a callback function to configure MediaWiki
- call_user_func( MW_CONFIG_CALLBACK );
-} else {
+// If no LocalSettings file exists, try to display an error page
+// (use a callback because it depends on TemplateParser)
+if ( !defined( 'MW_CONFIG_CALLBACK' ) ) {
if ( !defined( 'MW_CONFIG_FILE' ) ) {
define( 'MW_CONFIG_FILE', "$IP/LocalSettings.php" );
}
-
- # LocalSettings.php is the per site customization file. If it does not exist
- # the wiki installer needs to be launched or the generated file uploaded to
- # the root wiki directory. Give a hint, if it is not readable by the server.
if ( !is_readable( MW_CONFIG_FILE ) ) {
- require_once "$IP/includes/NoLocalSettings.php";
- die();
+ function wfWebStartNoLocalSettings() {
+ # LocalSettings.php is the per-site customization file. If it does not exist
+ # the wiki installer needs to be launched or the generated file uploaded to
+ # the root wiki directory. Give a hint, if it is not readable by the server.
+ global $IP;
+ require_once "$IP/includes/NoLocalSettings.php";
+ die();
+ }
+ define( 'MW_CONFIG_CALLBACK', 'wfWebStartNoLocalSettings' );
}
-
- # Include site settings. $IP may be changed (hopefully before the AutoLoader is invoked)
- require_once MW_CONFIG_FILE;
}
-# Initialise output buffering
-# Check that there is no previous output or previously set up buffers, because
-# that would cause us to potentially mix gzip and non-gzip output, creating a
-# big mess.
-if ( ob_get_level() == 0 ) {
- require_once "$IP/includes/OutputHandler.php";
- ob_start( 'wfOutputHandler' );
+// Custom setup for WebStart entry point
+if ( !defined( 'MW_SETUP_CALLBACK' ) ) {
+ function wfWebStartSetup() {
+ # Initialise output buffering
+ # Check that there is no previous output or previously set up buffers, because
+ # that would cause us to potentially mix gzip and non-gzip output, creating a
+ # big mess.
+ global $IP;
+ if ( ob_get_level() == 0 ) {
+ require_once "$IP/includes/OutputHandler.php";
+ ob_start( 'wfOutputHandler' );
+ }
+ }
+ define( 'MW_SETUP_CALLBACK', 'wfWebStartSetup' );
}
require_once "$IP/includes/Setup.php";