MediaWiki  master
WebStart.php
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1 <?php
36 # T17461: Make IE8 turn off content sniffing. Everybody else should ignore this
37 # We're adding it here so that it's *always* set, even for alternate entry
38 # points and when $wgOut gets disabled or overridden.
39 use MediaWiki\Settings\SettingsBuilder;
40 
41 header( 'X-Content-Type-Options: nosniff' );
42 
43 # Valid web server entry point, enable includes.
44 # Please don't move this line to includes/Defines.php. This line essentially
45 # defines a valid entry point. If you put it in includes/Defines.php, then
46 # any script that includes it becomes an entry point, thereby defeating
47 # its purpose.
48 define( 'MEDIAWIKI', true );
49 
54 function wfWebStartNoLocalSettings( SettingsBuilder $settings ) {
55  # LocalSettings.php is the per-site customization file. If it does not exist
56  # the wiki installer needs to be launched or the generated file uploaded to
57  # the root wiki directory. Give a hint, if it is not readable by the server.
58  require_once __DIR__ . '/NoLocalSettings.php';
59  die();
60 }
61 
62 require_once __DIR__ . '/BootstrapHelperFunctions.php';
63 
64 // If no LocalSettings file exists, try to display an error page
65 // (use a callback because it depends on TemplateParser)
66 if ( !defined( 'MW_CONFIG_CALLBACK' ) ) {
67  wfDetectLocalSettingsFile();
68  if ( !is_readable( MW_CONFIG_FILE ) ) {
69  define( 'MW_CONFIG_CALLBACK', 'wfWebStartNoLocalSettings' );
70  }
71 }
72 
73 function wfWebStartSetup( SettingsBuilder $settings ) {
74  // Initialise output buffering
75  // Check for previously set up buffers, to avoid a mix of gzip and non-gzip output.
76  if ( ob_get_level() == 0 ) {
77  ob_start( 'MediaWiki\\OutputHandler::handle' );
78  }
79 }
80 
81 // Custom setup for WebStart entry point
82 if ( !defined( 'MW_SETUP_CALLBACK' ) ) {
83  define( 'MW_SETUP_CALLBACK', 'wfWebStartSetup' );
84 }
85 
86 require_once __DIR__ . '/Setup.php';
87 
88 # Multiple DBs or commits might be used; keep the request as transactional as possible
89 if ( isset( $_SERVER['REQUEST_METHOD'] ) && $_SERVER['REQUEST_METHOD'] === 'POST' ) {
90  ignore_user_abort( true );
91 }
92 
93 if ( !defined( 'MW_API' ) && !defined( 'MW_REST_API' ) &&
94  RequestContext::getMain()->getRequest()->getHeader( 'Promise-Non-Write-API-Action' )
95 ) {
96  header( 'Cache-Control: no-cache' );
97  header( 'Content-Type: text/html; charset=utf-8' );
98  HttpStatus::header( 400 );
99  $errorHtml = wfMessage( 'nonwrite-api-promise-error' )
100  ->useDatabase( false )
101  ->inContentLanguage()
102  ->escaped();
103  $content = <<<HTML
104 <!DOCTYPE html>
105 <html>
106 <head><meta charset="UTF-8" /></head>
107 <body>
108 $errorHtml
109 </body>
110 </html>
111 
112 HTML;
113  header( 'Content-Length: ' . strlen( $content ) );
114  echo $content;
115  die();
116 }
wfDetectLocalSettingsFile
wfDetectLocalSettingsFile(?string $installationPath=null)
Decide and remember where to load LocalSettings from.
Definition: BootstrapHelperFunctions.php:30
wfMessage
wfMessage( $key,... $params)
This is the function for getting translated interface messages.
Definition: GlobalFunctions.php:939
wfWebStartSetup
if(!defined( 'MW_CONFIG_CALLBACK')) wfWebStartSetup(SettingsBuilder $settings)
Definition: WebStart.php:73
wfWebStartNoLocalSettings
wfWebStartNoLocalSettings(SettingsBuilder $settings)
Definition: WebStart.php:54
HttpStatus\header
static header( $code)
Output an HTTP status code header.
Definition: HttpStatus.php:96
MediaWiki\Settings\SettingsBuilder
Utility for loading settings files.
Definition: SettingsBuilder.php:29
RequestContext\getMain
static getMain()
Get the RequestContext object associated with the main request.
Definition: RequestContext.php:561
$content
$content
Definition: router.php:76