-// Verify that the API has not been disabled
-if ( !$wgEnableAPI ) {
- header( $_SERVER['SERVER_PROTOCOL'] . ' 500 MediaWiki configuration Error', true, 500 );
- echo 'MediaWiki API is not enabled for this site. Add the following line to your LocalSettings.php'
- . '<pre><b>$wgEnableAPI=true;</b></pre>';
+// Pathinfo can be used for stupid things. We don't support it for api.php at
+// all, so error out if it's present.
+if ( isset( $_SERVER['PATH_INFO'] ) && $_SERVER['PATH_INFO'] != '' ) {
+ $correctUrl = wfAppendQuery( wfScript( 'api' ), $wgRequest->getQueryValues() );
+ $correctUrl = wfExpandUrl( $correctUrl, PROTO_CANONICAL );
+ header( "Location: $correctUrl", true, 301 );
+ echo 'This endpoint does not support "path info", i.e. extra text between "api.php"'
+ . 'and the "?". Remove any such text and try again.';