From 8dc65cff0a2f961ba7d955c079d57681059c3b7c Mon Sep 17 00:00:00 2001
From: Stan Silvert <ssilvert@redhat.com>
Date: Fri, 21 Apr 2017 14:11:44 -0400
Subject: [PATCH] KEYCLOAK-4121: Prevent double form submission

---
 .../theme/base/admin/resources/js/app.js       | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/themes/src/main/resources/theme/base/admin/resources/js/app.js b/themes/src/main/resources/theme/base/admin/resources/js/app.js
index c4a134b057..5f58e88f08 100755
--- a/themes/src/main/resources/theme/base/admin/resources/js/app.js
+++ b/themes/src/main/resources/theme/base/admin/resources/js/app.js
@@ -2168,15 +2168,29 @@ module.directive('kcEnter', function() {
     };
 });
 
-module.directive('kcSave', function ($compile, Notifications) {
+module.directive('kcSave', function ($compile, $timeout, Notifications) {
+    var clickDelay = 500; // 500 ms
+    
     return {
         restrict: 'A',
         link: function ($scope, elem, attr, ctrl) {
             elem.addClass("btn btn-primary");
             elem.attr("type","submit");
-            elem.bind('click', function() {
+            
+            var disabled = false;
+            elem.on('click', function(evt) {
                 if ($scope.hasOwnProperty("changed") && !$scope.changed) return;
                 
+                // KEYCLOAK-4121: Prevent double form submission
+                if (disabled) {
+                    evt.preventDefault();
+                    evt.stopImmediatePropagation();
+                    return;
+                } else {
+                    disabled = true;
+                    $timeout(function () { disabled = false; }, clickDelay, false);
+                }
+                
                 $scope.$apply(function() {
                     var form = elem.closest('form');
                     if (form && form.attr('name')) {