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 header( 'X-Content-Type-Options: nosniff' );
40 
41 # Valid web server entry point, enable includes.
42 # Please don't move this line to includes/Defines.php. This line essentially
43 # defines a valid entry point. If you put it in includes/Defines.php, then
44 # any script that includes it becomes an entry point, thereby defeating
45 # its purpose.
46 define( 'MEDIAWIKI', true );
47 
48 # Full path to the installation directory.
49 $IP = getenv( 'MW_INSTALL_PATH' );
50 if ( $IP === false ) {
51  $IP = dirname( __DIR__ );
52 }
53 
54 function wfWebStartNoLocalSettings() {
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  global $IP;
59  require_once "$IP/includes/NoLocalSettings.php";
60  die();
61 }
62 
63 // If no LocalSettings file exists, try to display an error page
64 // (use a callback because it depends on TemplateParser)
65 if ( !defined( 'MW_CONFIG_CALLBACK' ) ) {
66  if ( !defined( 'MW_CONFIG_FILE' ) ) {
67  define( 'MW_CONFIG_FILE', "$IP/LocalSettings.php" );
68  }
69  if ( !is_readable( MW_CONFIG_FILE ) ) {
70  define( 'MW_CONFIG_CALLBACK', 'wfWebStartNoLocalSettings' );
71  }
72 }
73 
74 function wfWebStartSetup() {
75  // Initialise output buffering
76  // Check for previously set up buffers, to avoid a mix of gzip and non-gzip output.
77  if ( ob_get_level() == 0 ) {
78  ob_start( 'MediaWiki\\OutputHandler::handle' );
79  }
80 }
81 
82 // Custom setup for WebStart entry point
83 if ( !defined( 'MW_SETUP_CALLBACK' ) ) {
84  define( 'MW_SETUP_CALLBACK', 'wfWebStartSetup' );
85 }
86 
87 require_once "$IP/includes/Setup.php";
88 
89 # Multiple DBs or commits might be used; keep the request as transactional as possible
90 if ( isset( $_SERVER['REQUEST_METHOD'] ) && $_SERVER['REQUEST_METHOD'] === 'POST' ) {
91  ignore_user_abort( true );
92 }
93 
94 if ( !defined( 'MW_API' ) && !defined( 'MW_REST_API' ) &&
95  RequestContext::getMain()->getRequest()->getHeader( 'Promise-Non-Write-API-Action' )
96 ) {
97  header( 'Cache-Control: no-cache' );
98  header( 'Content-Type: text/html; charset=utf-8' );
99  HttpStatus::header( 400 );
100  $errorHtml = wfMessage( 'nonwrite-api-promise-error' )
101  ->useDatabase( false )
102  ->inContentLanguage()
103  ->escaped();
104  $content = <<<HTML
105 <!DOCTYPE html>
106 <html>
107 <head><meta charset="UTF-8" /></head>
108 <body>
109 $errorHtml
110 </body>
111 </html>
112 
113 HTML;
114  header( 'Content-Length: ' . strlen( $content ) );
115  echo $content;
116  die();
117 }
wfMessage
wfMessage( $key,... $params)
This is the function for getting translated interface messages.
Definition: GlobalFunctions.php:1182
$content
$content
Definition: router.php:76
RequestContext\getMain
static getMain()
Get the RequestContext object associated with the main request.
Definition: RequestContext.php:483
HttpStatus\header
static header( $code)
Output an HTTP status code header.
Definition: HttpStatus.php:96
wfWebStartSetup
if(!defined( 'MW_CONFIG_CALLBACK')) wfWebStartSetup()
Definition: WebStart.php:74
$IP
$IP
Definition: WebStart.php:49
wfWebStartNoLocalSettings
if( $IP===false) wfWebStartNoLocalSettings()
Definition: WebStart.php:54