Fix file uploading

static/js/core-config-setup.js

@@ -442,9 +442,9 @@ angular.module("core-config-setup", ['angularFileUpload'])
 
           $scope.uploadProgress = 0;
           $scope.upload = $upload.upload({
-            url: '/api/v1/superuser/config/file',
+            url: '/api/v1/superuser/config/file/' + $scope.filename,
             method: 'POST',
-            data: { filename: $scope.filename },
+            data: {'_csrf_token': window.__token},
             file: files[0],
           }).progress(function(evt) {
             $scope.uploadProgress = parseInt(100.0 * evt.loaded / evt.total);