Merge "Handle missing namespace prefix in XML dumps more gracefully"

[lhc/web/wiklou.git] / includes / WebStart.php

diff --git a/includes/WebStart.php b/includes/WebStart.php
index b095577..15804c7 100644 (file)
--- a/includes/WebStart.php
+++ b/includes/WebStart.php
@@ -26,31 +26,15 @@
  * @file
  */
 
-# Die if register_globals is enabled (PHP <=5.3)
-# This must be done before any globals are set by the code
-if ( ini_get( 'register_globals' ) ) {
-       die( 'MediaWiki does not support installations where register_globals is enabled. Please see '
-               . '<a href="https://www.mediawiki.org/wiki/register_globals">mediawiki.org</a> '
-               . 'for help on how to disable it.' );
+if ( ini_get( 'mbstring.func_overload' ) ) {
+       die( 'MediaWiki does not support installations where mbstring.func_overload is non-zero.' );
 }
 
-if ( function_exists( 'get_magic_quotes_gpc' ) && get_magic_quotes_gpc() ) {
-       die( 'MediaWiki does not function when magic quotes are enabled. Please see the '
-               . '<a href="https://php.net/manual/security.magicquotes.disabling.php">PHP Manual</a> '
-               . 'for help on how to disable magic quotes.' );
-}
-
-
-# bug 15461: Make IE8 turn off content sniffing. Everybody else should ignore this
+# T17461: Make IE8 turn off content sniffing. Everybody else should ignore this
 # We're adding it here so that it's *always* set, even for alternate entry
 # points and when $wgOut gets disabled or overridden.
 header( 'X-Content-Type-Options: nosniff' );
 
-# Approximate $_SERVER['REQUEST_TIME_FLOAT'] for PHP<5.4
-if ( !isset( $_SERVER['REQUEST_TIME_FLOAT'] ) ) {
-       $_SERVER['REQUEST_TIME_FLOAT'] = microtime( true );
-}
-
 /**
  * @var float Request start time as fractional seconds since epoch
  * @deprecated since 1.25; use $_SERVER['REQUEST_TIME_FLOAT'] or
@@ -86,12 +70,11 @@ require_once "$IP/includes/AutoLoader.php";
 require_once "$IP/includes/Defines.php";
 
 # Start the profiler
-$wgProfiler = array();
+$wgProfiler = [];
 if ( file_exists( "$IP/StartProfiler.php" ) ) {
        require "$IP/StartProfiler.php";
 }
 
-
 # Load default settings
 require_once "$IP/includes/DefaultSettings.php";
 
@@ -103,6 +86,27 @@ if ( is_readable( "$IP/vendor/autoload.php" ) ) {
        require_once "$IP/vendor/autoload.php";
 }
 
+# Assert that composer dependencies were successfully loaded
+# Purposely no leading \ due to it breaking HHVM RepoAuthorative mode
+# PHP works fine with both versions
+# See https://github.com/facebook/hhvm/issues/5833
+if ( !interface_exists( 'Psr\Log\LoggerInterface' ) ) {
+       $message = (
+               'MediaWiki requires the <a href="https://github.com/php-fig/log">PSR-3 logging ' .
+               "library</a> to be present. This library is not embedded directly in MediaWiki's " .
+               "git repository and must be installed separately by the end user.\n\n" .
+               'Please see <a href="https://www.mediawiki.org/wiki/Download_from_Git' .
+               '#Fetch_external_libraries">mediawiki.org</a> for help on installing ' .
+               'the required components.'
+       );
+       echo $message;
+       trigger_error( $message, E_USER_ERROR );
+       die( 1 );
+}
+
+# Install a header callback
+MediaWiki\HeaderCallback::register();
+
 if ( defined( 'MW_CONFIG_CALLBACK' ) ) {
        # Use a callback function to configure MediaWiki
        call_user_func( MW_CONFIG_CALLBACK );
@@ -123,7 +127,6 @@ if ( defined( 'MW_CONFIG_CALLBACK' ) ) {
        require_once MW_CONFIG_FILE;
 }
 
-
 # Initialise output buffering
 # Check that there is no previous output or previously set up buffers, because
 # that would cause us to potentially mix gzip and non-gzip output, creating a
@@ -133,11 +136,31 @@ if ( ob_get_level() == 0 ) {
        ob_start( 'wfOutputHandler' );
 }
 
-if ( !defined( 'MW_NO_SETUP' ) ) {
-       require_once "$IP/includes/Setup.php";
-}
+require_once "$IP/includes/Setup.php";
 
 # Multiple DBs or commits might be used; keep the request as transactional as possible
 if ( isset( $_SERVER['REQUEST_METHOD'] ) && $_SERVER['REQUEST_METHOD'] === 'POST' ) {
        ignore_user_abort( true );
 }
+
+if ( !defined( 'MW_API' ) &&
+       RequestContext::getMain()->getRequest()->getHeader( 'Promise-Non-Write-API-Action' )
+) {
+       header( 'Cache-Control: no-cache' );
+       header( 'Content-Type: text/html; charset=utf-8' );
+       HttpStatus::header( 400 );
+       $error = wfMessage( 'nonwrite-api-promise-error' )->escaped();
+       $content = <<<EOT
+<!DOCTYPE html>
+<html>
+<head><meta charset="UTF-8" /></head>
+<body>
+$error
+</body>
+</html>
+
+EOT;
+       header( 'Content-Length: ' . strlen( $content ) );
+       echo $content;
+       die();
+}