143 lines
5 KiB
PHP
143 lines
5 KiB
PHP
<?php
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/**
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* This does the initial set up for a web request.
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* It does some security checks, starts the profiler and loads the
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* configuration, and optionally loads Setup.php depending on whether
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* MW_NO_SETUP is defined.
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*
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* Setup.php (if loaded) then sets up GlobalFunctions, the AutoLoader,
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* and the configuration globals.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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*/
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# Die if register_globals is enabled (PHP <=5.3)
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# This must be done before any globals are set by the code
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if ( ini_get( 'register_globals' ) ) {
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die( 'MediaWiki does not support installations where register_globals is enabled. Please see '
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. '<a href="https://www.mediawiki.org/wiki/register_globals">mediawiki.org</a> '
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. 'for help on how to disable it.' );
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}
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if ( function_exists( 'get_magic_quotes_gpc' ) && get_magic_quotes_gpc() ) {
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die( 'MediaWiki does not function when magic quotes are enabled. Please see the '
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. '<a href="https://php.net/manual/security.magicquotes.disabling.php">PHP Manual</a> '
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. 'for help on how to disable magic quotes.' );
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}
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# bug 15461: Make IE8 turn off content sniffing. Everybody else should ignore this
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# We're adding it here so that it's *always* set, even for alternate entry
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# points and when $wgOut gets disabled or overridden.
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header( 'X-Content-Type-Options: nosniff' );
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# Approximate $_SERVER['REQUEST_TIME_FLOAT'] for PHP<5.4
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if ( !isset( $_SERVER['REQUEST_TIME_FLOAT'] ) ) {
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$_SERVER['REQUEST_TIME_FLOAT'] = microtime( true );
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}
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/**
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* @var float Request start time as fractional seconds since epoch
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* @deprecated since 1.25; use $_SERVER['REQUEST_TIME_FLOAT'] or
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* WebRequest::getElapsedTime() instead.
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*/
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$wgRequestTime = $_SERVER['REQUEST_TIME_FLOAT'];
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unset( $IP );
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# Valid web server entry point, enable includes.
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# Please don't move this line to includes/Defines.php. This line essentially
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# defines a valid entry point. If you put it in includes/Defines.php, then
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# any script that includes it becomes an entry point, thereby defeating
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# its purpose.
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define( 'MEDIAWIKI', true );
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# Full path to working directory.
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# Makes it possible to for example to have effective exclude path in apc.
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# __DIR__ breaks symlinked includes, but realpath() returns false
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# if we don't have permissions on parent directories.
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$IP = getenv( 'MW_INSTALL_PATH' );
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if ( $IP === false ) {
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$IP = realpath( '.' ) ?: dirname( __DIR__ );
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}
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# Grab profiling functions
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require_once "$IP/includes/profiler/ProfilerFunctions.php";
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# Start the autoloader, so that extensions can derive classes from core files
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require_once "$IP/includes/AutoLoader.php";
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# Load up some global defines.
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require_once "$IP/includes/Defines.php";
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# Start the profiler
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$wgProfiler = array();
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if ( file_exists( "$IP/StartProfiler.php" ) ) {
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require "$IP/StartProfiler.php";
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}
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# Load default settings
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require_once "$IP/includes/DefaultSettings.php";
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# Load global functions
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require_once "$IP/includes/GlobalFunctions.php";
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# Load composer's autoloader if present
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if ( is_readable( "$IP/vendor/autoload.php" ) ) {
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require_once "$IP/vendor/autoload.php";
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}
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if ( defined( 'MW_CONFIG_CALLBACK' ) ) {
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# Use a callback function to configure MediaWiki
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call_user_func( MW_CONFIG_CALLBACK );
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} else {
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if ( !defined( 'MW_CONFIG_FILE' ) ) {
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define( 'MW_CONFIG_FILE', "$IP/LocalSettings.php" );
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}
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# LocalSettings.php is the per site customization file. If it does not exist
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# the wiki installer needs to be launched or the generated file uploaded to
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# the root wiki directory. Give a hint, if it is not readable by the server.
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if ( !is_readable( MW_CONFIG_FILE ) ) {
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require_once "$IP/includes/NoLocalSettings.php";
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die();
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}
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# Include site settings. $IP may be changed (hopefully before the AutoLoader is invoked)
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require_once MW_CONFIG_FILE;
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}
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# Initialise output buffering
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# Check that there is no previous output or previously set up buffers, because
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# that would cause us to potentially mix gzip and non-gzip output, creating a
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# big mess.
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if ( ob_get_level() == 0 ) {
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require_once "$IP/includes/OutputHandler.php";
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ob_start( 'wfOutputHandler' );
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}
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if ( !defined( 'MW_NO_SETUP' ) ) {
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require_once "$IP/includes/Setup.php";
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}
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# Multiple DBs or commits might be used; keep the request as transactional as possible
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if ( isset( $_SERVER['REQUEST_METHOD'] ) && $_SERVER['REQUEST_METHOD'] === 'POST' ) {
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ignore_user_abort( true );
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}
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