Use validator.js for email validation

modules/users/server/models/user.server.model.js

@@ -5,7 +5,8 @@
  */
 var mongoose = require('mongoose'),
 	Schema = mongoose.Schema,
-	crypto = require('crypto');
+	crypto = require('crypto'),
+	validator = require('validator');
 
 /**
  * A Validation function for local strategy properties
@@ -18,7 +19,14 @@ var validateLocalStrategyProperty = function(property) {
  * A Validation function for local strategy password
  */
 var validateLocalStrategyPassword = function(password) {
-	return (this.provider !== 'local' || (password && password.length > 6));
+	return (this.provider !== 'local' || validator.isLength(password, 6));
+};
+
+/**
+ * A Validation function for local strategy email
+ */
+var validateLocalStrategyEmail = function(email) {
+	return ((this.provider !== 'local' && !this.updated) || validator.isEmail(email));
 };
 
 /**
@@ -45,8 +53,7 @@ var UserSchema = new Schema({
 		type: String,
 		trim: true,
 		default: '',
-		validate: [validateLocalStrategyProperty, 'Please fill in your email'],
-		match: [/.+\@.+\..+/, 'Please fill a valid email address']
+		validate: [validateLocalStrategyEmail, 'Please fill a valid email address']
 	},
 	username: {
 		type: String,

package.json

@@ -43,14 +43,15 @@
     "passport": "~0.2.2",
     "passport-facebook": "^2.0.0",
     "passport-github": "~0.1.5",
-	"passport-paypal-openidconnect": "^0.1.1",
     "passport-google-oauth": "~0.2.0",
     "passport-linkedin": "~0.1.3",
     "passport-local": "^1.0.0",
+    "passport-paypal-openidconnect": "^0.1.1",
     "passport-twitter": "^1.0.2",
     "serve-favicon": "^2.3.0",
     "socket.io": "^1.3.5",
-    "swig": "^1.4.2"
+    "swig": "^1.4.2",
+    "validator": "^3.41.2"
   },
   "devDependencies": {
     "grunt-concurrent": "^2.0.0",