53 lines
1.5 KiB
JavaScript
53 lines
1.5 KiB
JavaScript
var cryptoUtil = require('../util/crypto');
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var LocalStorage = require('./LocalStorage');
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var inherits = require('inherits');
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function EncryptedLocalStorage(config) {
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LocalStorage.apply(this, [config]);
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}
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inherits(EncryptedLocalStorage, LocalStorage);
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EncryptedLocalStorage.prototype._brokenDecrypt = function(body) {
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var key = cryptoUtil.kdf(this.password + this.email, 'mjuBtGybi/4=', 100);
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log.debug('Trying legacy decrypt')
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var decryptedJson = cryptoUtil.decrypt(key, body);
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return decryptedJson;
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};
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EncryptedLocalStorage.prototype.getItem = function(name, callback) {
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LocalStorage.prototype.getItem.apply(this, [name,
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function(err, body) {
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var decryptedJson = cryptoUtil.decrypt(this.password, body);
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log.debug('Could not decrypt value using current decryption schema');
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if (!decryptedJson) {
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decryptedJson = this._brokenDecrypt(body);
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}
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if (!decryptedJson) {
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log.debug('Could not decrypt value.');
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return callback('PNOTFOUND');
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}
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return callback(null, decryptedJson);
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}
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]);
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};
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EncryptedLocalStorage.prototype.setItem = function(name, value, callback) {
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if (!_.isString(value)) {
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value = JSON.stringify(value);
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}
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var record = cryptoUtil.encrypt(this.password, value);
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LocalStorage.prototype.setItem.apply(this, [name, record, callback]);
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};
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EncryptedLocalStorage.prototype.removeItem = function(name, callback) {
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InsightStorage.prototype.removeItem.apply(this, [name, callback]);
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};
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module.exports = EncryptedLocalStorage;
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