ede4d6ec12
Nowadays files transferred to browser via text/* MIME are also getting automatic dark mode by the browsers so this makes these simple pages compatible with those features of the browsers. Change-Id: Id8360ff3ca6dbe7b78e30194fde292763479cb21
115 lines
4.1 KiB
PHP
115 lines
4.1 KiB
PHP
<?php
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/**
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* The set up for all MediaWiki web requests.
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*
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* It does:
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* - web-related security checks,
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* - decide how and from where to load site configuration (LocalSettings.php),
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* - load Setup.php.
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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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use MediaWiki\Context\RequestContext;
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use MediaWiki\Settings\SettingsBuilder;
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# T17461: 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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# 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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/**
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* @param SettingsBuilder $settings
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* @return never
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*/
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function wfWebStartNoLocalSettings( SettingsBuilder $settings ) {
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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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require_once __DIR__ . '/Output/NoLocalSettings.php';
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die();
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}
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require_once __DIR__ . '/BootstrapHelperFunctions.php';
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// If no LocalSettings file exists, try to display an error page
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// (use a callback because it depends on TemplateParser)
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if ( !defined( 'MW_CONFIG_CALLBACK' ) ) {
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wfDetectLocalSettingsFile();
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if ( !is_readable( MW_CONFIG_FILE ) ) {
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define( 'MW_CONFIG_CALLBACK', 'wfWebStartNoLocalSettings' );
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}
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}
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function wfWebStartSetup( SettingsBuilder $settings ) {
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// Initialize the default MediaWiki output buffering if no buffer is already active.
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// This avoids clashes with existing buffers in order to avoid problems,
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// like mixing gzip and non-gzip output.
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if ( ob_get_level() == 0 ) {
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// During HTTP requests, MediaWiki normally buffers the response body in a string
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// within OutputPage and prints it when ready. PHP buffers provide protection against
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// premature sending of HTTP headers due to output from PHP warnings and notices.
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// They also can be used to implement gzip support in PHP without the webserver knowing
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// which requests yield HTML and which yield large files that can be streamed.
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ob_start( [ MediaWiki\Output\OutputHandler::class, 'handle' ] );
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}
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}
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// Custom setup for WebStart entry point
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if ( !defined( 'MW_SETUP_CALLBACK' ) ) {
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define( 'MW_SETUP_CALLBACK', 'wfWebStartSetup' );
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}
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require_once __DIR__ . '/Setup.php';
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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'] ) && $_SERVER['REQUEST_METHOD'] === 'POST' ) {
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ignore_user_abort( true );
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}
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if ( !defined( 'MW_API' ) && !defined( 'MW_REST_API' ) &&
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RequestContext::getMain()->getRequest()->getHeader( 'Promise-Non-Write-API-Action' )
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) {
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header( 'Cache-Control: no-cache' );
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header( 'Content-Type: text/html; charset=utf-8' );
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HttpStatus::header( 400 );
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$errorHtml = wfMessage( 'nonwrite-api-promise-error' )
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->useDatabase( false )
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->inContentLanguage()
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->escaped();
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$content = <<<HTML
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<!DOCTYPE html>
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<html>
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<head><meta charset="UTF-8" /><meta name="color-scheme" content="light dark" /></head>
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<body>
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$errorHtml
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</body>
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</html>
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HTML;
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header( 'Content-Length: ' . strlen( $content ) );
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echo $content;
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die();
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}
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