MediaWiki  master
WebStart.php
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1 <?php
28 # T17461: Make IE8 turn off content sniffing. Everybody else should ignore this
29 # We're adding it here so that it's *always* set, even for alternate entry
30 # points and when $wgOut gets disabled or overridden.
31 header( 'X-Content-Type-Options: nosniff' );
32 
33 # Valid web server entry point, enable includes.
34 # Please don't move this line to includes/Defines.php. This line essentially
35 # defines a valid entry point. If you put it in includes/Defines.php, then
36 # any script that includes it becomes an entry point, thereby defeating
37 # its purpose.
38 define( 'MEDIAWIKI', true );
39 
40 # Full path to the installation directory.
41 $IP = getenv( 'MW_INSTALL_PATH' );
42 if ( $IP === false ) {
43  $IP = dirname( __DIR__ );
44 }
45 
46 // If no LocalSettings file exists, try to display an error page
47 // (use a callback because it depends on TemplateParser)
48 if ( !defined( 'MW_CONFIG_CALLBACK' ) ) {
49  if ( !defined( 'MW_CONFIG_FILE' ) ) {
50  define( 'MW_CONFIG_FILE', "$IP/LocalSettings.php" );
51  }
52  if ( !is_readable( MW_CONFIG_FILE ) ) {
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  define( 'MW_CONFIG_CALLBACK', 'wfWebStartNoLocalSettings' );
64  }
65 }
66 
67 // Custom setup for WebStart entry point
68 if ( !defined( 'MW_SETUP_CALLBACK' ) ) {
69 
70  function wfWebStartSetup() {
71  // Initialise output buffering
72  // Check for previously set up buffers, to avoid a mix of gzip and non-gzip output.
73  if ( ob_get_level() == 0 ) {
74  ob_start( 'MediaWiki\\OutputHandler::handle' );
75  }
76  }
77 
78  define( 'MW_SETUP_CALLBACK', 'wfWebStartSetup' );
79 }
80 
81 require_once "$IP/includes/Setup.php";
82 
83 # Multiple DBs or commits might be used; keep the request as transactional as possible
84 if ( isset( $_SERVER['REQUEST_METHOD'] ) && $_SERVER['REQUEST_METHOD'] === 'POST' ) {
85  ignore_user_abort( true );
86 }
87 
88 if ( !defined( 'MW_API' ) &&
89  RequestContext::getMain()->getRequest()->getHeader( 'Promise-Non-Write-API-Action' )
90 ) {
91  header( 'Cache-Control: no-cache' );
92  header( 'Content-Type: text/html; charset=utf-8' );
93  HttpStatus::header( 400 );
94  $error = wfMessage( 'nonwrite-api-promise-error' )->escaped();
95  $content = <<<EOT
96 <!DOCTYPE html>
97 <html>
98 <head><meta charset="UTF-8" /></head>
99 <body>
100 $error
101 </body>
102 </html>
103 
104 EOT;
105  header( 'Content-Length: ' . strlen( $content ) );
106  echo $content;
107  die();
108 }
$IP
$IP
Definition: WebStart.php:41
MW_CONFIG_FILE
const MW_CONFIG_FILE
Definition: bootstrap.php:54
wfMessage
either a unescaped string or a HtmlArmor object after in associative array form externallinks including delete and has completed for all link tables whether this was an auto creation use $formDescriptor instead default is conds Array Extra conditions for the No matching items in log is displayed if loglist is empty msgKey Array If you want a nice box with a set this to the key of the message First element is the message additional optional elements are parameters for the key that are processed with wfMessage() -> params() ->parseAsBlock() - offset Set to overwrite offset parameter in $wgRequest set to '' to unset offset - wrap String Wrap the message in html(usually something like "&lt
RequestContext\getMain
static getMain()
Get the RequestContext object associated with the main request.
Definition: RequestContext.php:427
HttpStatus\header
static header( $code)
Output an HTTP status code header.
Definition: HttpStatus.php:96
php
injection txt This is an overview of how MediaWiki makes use of dependency injection The design described here grew from the discussion of RFC T384 The term dependency this means that anything an object needs to operate should be injected from the the object itself should only know narrow no concrete implementation of the logic it relies on The requirement to inject everything typically results in an architecture that based on two main types of and essentially stateless service objects that use other service objects to operate on the value objects As of the beginning MediaWiki is only starting to use the DI approach Much of the code still relies on global state or direct resulting in a highly cyclical dependency which acts as the top level factory for services in MediaWiki which can be used to gain access to default instances of various services MediaWikiServices however also allows new services to be defined and default services to be redefined Services are defined or redefined by providing a callback the instantiator that will return a new instance of the service When it will create an instance of MediaWikiServices and populate it with the services defined in the files listed by thereby bootstrapping the DI framework Per $wgServiceWiringFiles lists includes ServiceWiring php
Definition: injection.txt:35
$content
$content
Definition: pageupdater.txt:72