never option on save login notification

closes #85

src/services/loginService.js

@@ -323,6 +323,32 @@ function initLoginService() {
         return deferred.promise;
     };
 
+    LoginService.prototype.saveNeverDomain = function (domain) {
+        var deferred = Q.defer();
+        var neverKey = 'neverDomains';
+
+        if (!domain) {
+            deferred.resolve();
+        }
+        else {
+            chrome.storage.local.get(neverKey, function (obj) {
+                var domains = obj[neverKey];
+                if (!domains) {
+                    domains = {};
+                }
+
+                domains[domain] = null;
+                obj[neverKey] = domains;
+
+                chrome.storage.local.set(obj, function () {
+                    deferred.resolve();
+                });
+            });
+        }
+
+        return deferred.promise;
+    };
+
     function handleError(error, deferred) {
         deferred.reject(error);
     }

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);