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add preconditions

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This commit is contained in:
Matias Alejo Garcia 2014-12-13 20:06:16 -03:00
commit 60251f87f0
1 changed files with 5 additions and 0 deletions
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5
js/plugins/EncryptedLocalStorage.js
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@ -2,6 +2,7 @@ var cryptoUtil = require('../util/crypto');
var log = require('../util/log');
var LocalStorage = require('./LocalStorage');
var inherits = require('inherits');
var preconditions = require('preconditions').singleton();
var SEPARATOR = '@#$';
@ -30,8 +31,12 @@ EncryptedLocalStorage.prototype._brokenDecryptUndef = function(body) {
EncryptedLocalStorage.prototype.getItem = function(name, callback) {
var self = this;
preconditions.checkState(self.email);
LocalStorage.prototype.getItem.apply(this, [name,
function(err, body) {
var decryptedJson = cryptoUtil.decrypt(self.email + SEPARATOR + self.password, body);
if (!decryptedJson) {
log.debug('Could not decrypt value using current decryption schema');