add error on incorrect password while importing

js/controllers/import.js

@@ -6,7 +6,15 @@ angular.module('copay.import').controller('ImportController',
     var reader = new FileReader();
     var _importBackup = function(encryptedObj) {
       Passphrase.getBase64Async($scope.password, function(passphrase){
-        $rootScope.wallet = walletFactory.fromEncryptedObj(encryptedObj, passphrase);
+        var w = walletFactory.fromEncryptedObj(encryptedObj, passphrase);
+        if (!w) {
+          $scope.loading = false;
+          $rootScope.$flashMessage = { message: 'Wrong password', type: 'error'};
+          $rootScope.$digest();
+          return;
+        }
+        $rootScope.wallet = w;
+
         controllerUtils.startNetwork($rootScope.wallet);
       });
     };
@@ -23,6 +31,7 @@ angular.module('copay.import').controller('ImportController',
 
     $scope.import = function(form) {
       if (form.$invalid) {
+        $scope.loading = false;
         $rootScope.$flashMessage = { message: 'There is an error in the form. Please, try again', type: 'error'};
         return;
       }
@@ -32,6 +41,7 @@ angular.module('copay.import').controller('ImportController',
       var password = form.password.$modelValue;
 
       if (!backupFile && !backupText) {
+        $scope.loading = false;
         $rootScope.$flashMessage = { message: 'Please, select your backup file or paste the text', type: 'error'};
         return;
       }

js/models/core/WalletFactory.js

@@ -39,14 +39,11 @@ WalletFactory.prototype.log = function(){
 WalletFactory.prototype._checkRead = function(walletId) {
   var s = this.storage;
   var ret = 
-    (
       s.get(walletId, 'publicKeyRing') &&
       s.get(walletId, 'txProposals')   &&
       s.get(walletId, 'opts') &&
-      s.get(walletId, 'privateKey')
-    )?true:false;
-  ;
-  return ret?true:false;
+      s.get(walletId, 'privateKey');
+  return ret;
 };
 
 WalletFactory.prototype.fromObj = function(obj) {
@@ -60,14 +57,15 @@ WalletFactory.prototype.fromObj = function(obj) {
 WalletFactory.prototype.fromEncryptedObj = function(base64, password) {
   this.storage._setPassphrase(password);
   var walletObj = this.storage.import(base64);
+  if (!walletObj) return null;
   var w = this.fromObj(walletObj);
-  w.store();
+  if (!w) return null;
   return w;
 };
 
 WalletFactory.prototype.read = function(walletId) {
   if (! this._checkRead(walletId))
-    return false;
+    return null;
 
   var obj = {};
   var s = this.storage;
@@ -149,7 +147,6 @@ WalletFactory.prototype.open = function(walletId, opts) {
 
   var w = this.read(walletId);
 
- 
   if (w) {
     this._checkVersion(w.version);
     w.store();

js/models/storage/LocalEncrypted.js

@@ -3,6 +3,7 @@
 var imports = require('soop').imports();
 
 var id = 0;
+
 function Storage(opts) {
   opts = opts || {};
 
@@ -34,11 +35,15 @@ Storage.prototype._encryptObj = function(obj) {
 
 Storage.prototype._decrypt = function(base64) {
   var decryptedStr = null;
+  try {
     var decrypted = CryptoJS.AES.decrypt(base64, this._getPassphrase());
 
     if (decrypted)
       decryptedStr = decrypted.toString(CryptoJS.enc.Utf8);
-
+  } catch (e) {
+    console.log('Error while decrypting ' + base64);
+    return null;
+  }
   return decryptedStr;
 };
 
@@ -49,18 +54,12 @@ Storage.prototype._decryptObj = function(base64) {
 
 Storage.prototype._read = function(k) {
   var ret;
-  try {
   ret = localStorage.getItem(k);
-    if (ret){
+  if (!ret) return null;
   ret = this._decrypt(ret);
+  if (!ret) return null;
   ret = ret.toString(CryptoJS.enc.Utf8);
   ret = JSON.parse(ret);
-    }
-  } catch (e) {
-    console.log('Error while decrypting: '+e);
-    return null;
-  };
-
   return ret;
 };
 
@@ -93,7 +92,6 @@ Storage.prototype._key = function(walletId, k) {
 // get value by key
 Storage.prototype.get = function(walletId, k) {
   var ret = this._read(this._key(walletId, k));
-
   return ret;
 };