Localisation updates from https://translatewiki.net.
[mediawiki.git] / includes / WebStart.php
blob7b18a907f61e630a7eef16643a3e5a99cef3df6e
1 <?php
2 /**
3 * The set up for all MediaWiki web requests.
5 * It does:
6 * - web-related security checks,
7 * - decide how and from where to load site configuration (LocalSettings.php),
8 * - load Setup.php.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License along
21 * with this program; if not, write to the Free Software Foundation, Inc.,
22 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
23 * http://www.gnu.org/copyleft/gpl.html
25 * @file
28 use MediaWiki\Context\RequestContext;
29 use MediaWiki\Settings\SettingsBuilder;
31 # T17461: Make IE8 turn off content sniffing. Everybody else should ignore this
32 # We're adding it here so that it's *always* set, even for alternate entry
33 # points and when $wgOut gets disabled or overridden.
34 header( 'X-Content-Type-Options: nosniff' );
36 # Valid web server entry point, enable includes.
37 # Please don't move this line to includes/Defines.php. This line essentially
38 # defines a valid entry point. If you put it in includes/Defines.php, then
39 # any script that includes it becomes an entry point, thereby defeating
40 # its purpose.
41 define( 'MEDIAWIKI', true );
43 /**
44 * @param SettingsBuilder $settings
45 * @return never
47 function wfWebStartNoLocalSettings( SettingsBuilder $settings ) {
48 # LocalSettings.php is the per-site customization file. If it does not exist
49 # the wiki installer needs to be launched or the generated file uploaded to
50 # the root wiki directory. Give a hint, if it is not readable by the server.
51 require_once __DIR__ . '/Output/NoLocalSettings.php';
52 die();
55 require_once __DIR__ . '/BootstrapHelperFunctions.php';
57 // If no LocalSettings file exists, try to display an error page
58 // (use a callback because it depends on TemplateParser)
59 if ( !defined( 'MW_CONFIG_CALLBACK' ) ) {
60 wfDetectLocalSettingsFile();
61 if ( !is_readable( MW_CONFIG_FILE ) ) {
62 define( 'MW_CONFIG_CALLBACK', 'wfWebStartNoLocalSettings' );
66 function wfWebStartSetup( SettingsBuilder $settings ) {
67 // Initialize the default MediaWiki output buffering if no buffer is already active.
68 // This avoids clashes with existing buffers in order to avoid problems,
69 // like mixing gzip and non-gzip output.
70 if ( ob_get_level() == 0 ) {
71 // During HTTP requests, MediaWiki normally buffers the response body in a string
72 // within OutputPage and prints it when ready. PHP buffers provide protection against
73 // premature sending of HTTP headers due to output from PHP warnings and notices.
74 // They also can be used to implement gzip support in PHP without the webserver knowing
75 // which requests yield HTML and which yield large files that can be streamed.
76 ob_start( [ MediaWiki\Output\OutputHandler::class, 'handle' ] );
80 // Custom setup for WebStart entry point
81 if ( !defined( 'MW_SETUP_CALLBACK' ) ) {
82 define( 'MW_SETUP_CALLBACK', 'wfWebStartSetup' );
85 require_once __DIR__ . '/Setup.php';
87 # Multiple DBs or commits might be used; keep the request as transactional as possible
88 if ( isset( $_SERVER['REQUEST_METHOD'] ) && $_SERVER['REQUEST_METHOD'] === 'POST' ) {
89 ignore_user_abort( true );
92 if ( !defined( 'MW_API' ) && !defined( 'MW_REST_API' ) &&
93 RequestContext::getMain()->getRequest()->getHeader( 'Promise-Non-Write-API-Action' )
94 ) {
95 header( 'Cache-Control: no-cache' );
96 header( 'Content-Type: text/html; charset=utf-8' );
97 HttpStatus::header( 400 );
98 $errorHtml = wfMessage( 'nonwrite-api-promise-error' )
99 ->useDatabase( false )
100 ->inContentLanguage()
101 ->escaped();
102 $content = <<<HTML
103 <!DOCTYPE html>
104 <html>
105 <head><meta charset="UTF-8" /><meta name="color-scheme" content="light dark" /></head>
106 <body>
107 $errorHtml
108 </body>
109 </html>
111 HTML;
112 header( 'Content-Length: ' . strlen( $content ) );
113 echo $content;
114 die();