// which will end up triggering HTML detection and execution, hence
// XSS injection and all that entails.
//
-// Ensure that all access is through the canonical entry point...
-//
-if( isset( $_SERVER['SCRIPT_NAME'] ) ) {
- $url = $_SERVER['SCRIPT_NAME'];
-} else {
- $url = $_SERVER['URL'];
-}
-if( strcmp( "$wgScriptPath/api$wgScriptExtension", $url ) ) {
+if( $wgRequest->isPathInfoBad() ) {
wfHttpError( 403, 'Forbidden',
- 'API must be accessed through the primary script entry point.' );
+ 'Invalid file extension found in PATH_INFO. ' .
+ 'The API must be accessed through the primary script entry point.' );
return;
}
die(1);
}
+// Selectively allow cross-site AJAX
+
+/*
+ * Helper function to convert wildcard string into a regex
+ * '*' => '.*?'
+ * '?' => '.'
+ * @ return string
+ */
+function convertWildcard( $search ) {
+ $search = preg_quote( $search, '/' );
+ $search = str_replace(
+ array( '\*', '\?' ),
+ array( '.*?', '.' ),
+ $search
+ );
+ return "/$search/";
+}
+
+if ( $wgCrossSiteAJAXdomains && isset($_SERVER['HTTP_ORIGIN']) ) {
+ $exceptions = array_map( 'convertWildcard', $wgCrossSiteAJAXdomainExceptions );
+ $regexes = array_map( 'convertWildcard', $wgCrossSiteAJAXdomains );
+ foreach ( $regexes as $regex ) {
+ if ( preg_match( $regex, $_SERVER['HTTP_ORIGIN'] ) ) {
+ foreach ( $exceptions as $exc ) { // Check against exceptions
+ if ( preg_match( $exc, $_SERVER['HTTP_ORIGIN'] ) ) {
+ break 2;
+ }
+ }
+ header( "Access-Control-Allow-Origin: {$_SERVER['HTTP_ORIGIN']}" );
+ header( 'Access-Control-Allow-Credentials: true' );
+ break;
+ }
+ }
+}
+
// So extensions can check whether they're running in API mode
-define('API', true);
+define('MW_API', true);
// Set a dummy $wgTitle, because $wgTitle == null breaks various things
// In a perfect world this wouldn't be necessary
-$wgTitle = Title::newFromTitle('API');
+$wgTitle = Title::newFromText('API');
/* Construct an ApiMain with the arguments passed via the URL. What we get back
* is some form of an ApiMain, possibly even one that produces an error message,