never option on save login notification

closes #85

src/services/utilsService.js

@@ -173,6 +173,33 @@ function initUtilsService() {
         return null;
     }
 
+    UtilsService.prototype.getHostname = function (uriString) {
+        if (!uriString) {
+            return null;
+        }
+
+        uriString = uriString.trim();
+        if (uriString === '') {
+            return null;
+        }
+
+        if (uriString.startsWith('http://') || uriString.startsWith('https://')) {
+            try {
+                var url = new URL(uriString);
+                if (!url || !url.hostname) {
+                    return null;
+                }
+
+                return url.hostname;
+            }
+            catch (e) {
+                return null;
+            }
+        }
+
+        return null;
+    }
+
     function validIpAddress(ipString) {
         var ipRegex = /^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/;
         return ipRegex.test(ipString);