zedai-voice
Version:
Siri-like voice banking SDK for React Native - Complete voice-powered fintech solution with wake word detection and beautiful UI
188 lines (187 loc) • 7.18 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = void 0;
var _cryptoJs = _interopRequireDefault(require("crypto-js"));
var _Logger = _interopRequireDefault(require("../utils/Logger"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { "default": e }; }
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
function _classCallCheck(a, n) { if (!(a instanceof n)) throw new TypeError("Cannot call a class as a function"); }
function _defineProperties(e, r) { for (var t = 0; t < r.length; t++) { var o = r[t]; o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(e, _toPropertyKey(o.key), o); } }
function _createClass(e, r, t) { return r && _defineProperties(e.prototype, r), t && _defineProperties(e, t), Object.defineProperty(e, "prototype", { writable: !1 }), e; }
function _toPropertyKey(t) { var i = _toPrimitive(t, "string"); return "symbol" == _typeof(i) ? i : i + ""; }
function _toPrimitive(t, r) { if ("object" != _typeof(t) || !t) return t; var e = t[Symbol.toPrimitive]; if (void 0 !== e) { var i = e.call(t, r || "default"); if ("object" != _typeof(i)) return i; throw new TypeError("@@toPrimitive must return a primitive value."); } return ("string" === r ? String : Number)(t); } // src/security/Encryption.js
var Encryption = /*#__PURE__*/function () {
function Encryption(encryptionKey) {
_classCallCheck(this, Encryption);
this.encryptionKey = encryptionKey;
}
return _createClass(Encryption, [{
key: "encrypt",
value: function encrypt(data) {
try {
var dataString = typeof data === 'string' ? data : JSON.stringify(data);
var encrypted = _cryptoJs["default"].AES.encrypt(dataString, this.encryptionKey).toString();
return encrypted;
} catch (error) {
_Logger["default"].error('Encryption failed', {
error: error.message
});
throw new Error('Failed to encrypt data');
}
}
}, {
key: "decrypt",
value: function decrypt(encryptedData) {
try {
var bytes = _cryptoJs["default"].AES.decrypt(encryptedData, this.encryptionKey);
var decrypted = bytes.toString(_cryptoJs["default"].enc.Utf8);
if (!decrypted) {
throw new Error('Failed to decrypt data - invalid key or corrupted data');
}
return decrypted;
} catch (error) {
_Logger["default"].error('Decryption failed', {
error: error.message
});
throw new Error('Failed to decrypt data');
}
}
}, {
key: "encryptObject",
value: function encryptObject(obj) {
try {
var jsonString = JSON.stringify(obj);
return this.encrypt(jsonString);
} catch (error) {
_Logger["default"].error('Object encryption failed', {
error: error.message
});
throw new Error('Failed to encrypt object');
}
}
}, {
key: "decryptObject",
value: function decryptObject(encryptedData) {
try {
var decrypted = this.decrypt(encryptedData);
return JSON.parse(decrypted);
} catch (error) {
_Logger["default"].error('Object decryption failed', {
error: error.message
});
throw new Error('Failed to decrypt object');
}
}
}, {
key: "hash",
value: function hash(data) {
try {
var dataString = typeof data === 'string' ? data : JSON.stringify(data);
return _cryptoJs["default"].SHA256(dataString).toString();
} catch (error) {
_Logger["default"].error('Hashing failed', {
error: error.message
});
throw new Error('Failed to hash data');
}
}
}, {
key: "generateSalt",
value: function generateSalt() {
return _cryptoJs["default"].lib.WordArray.random(128 / 8).toString();
}
}, {
key: "hashWithSalt",
value: function hashWithSalt(data, salt) {
try {
var dataString = typeof data === 'string' ? data : JSON.stringify(data);
return _cryptoJs["default"].SHA256(dataString + salt).toString();
} catch (error) {
_Logger["default"].error('Salted hashing failed', {
error: error.message
});
throw new Error('Failed to hash data with salt');
}
}
}, {
key: "generateApiSignature",
value: function generateApiSignature(data, timestamp, secret) {
try {
var payload = JSON.stringify(data) + timestamp;
return _cryptoJs["default"].HmacSHA256(payload, secret).toString();
} catch (error) {
_Logger["default"].error('API signature generation failed', {
error: error.message
});
throw new Error('Failed to generate API signature');
}
}
}, {
key: "verifyApiSignature",
value: function verifyApiSignature(data, timestamp, signature, secret) {
try {
var expectedSignature = this.generateApiSignature(data, timestamp, secret);
return expectedSignature === signature;
} catch (error) {
_Logger["default"].error('API signature verification failed', {
error: error.message
});
return false;
}
}
}, {
key: "encryptForTransport",
value: function encryptForTransport(data) {
try {
var timestamp = Date.now().toString();
var payload = {
data: data,
timestamp: timestamp,
nonce: this.generateSalt()
};
return this.encryptObject(payload);
} catch (error) {
_Logger["default"].error('Transport encryption failed', {
error: error.message
});
throw new Error('Failed to encrypt data for transport');
}
}
}, {
key: "decryptFromTransport",
value: function decryptFromTransport(encryptedData) {
var maxAge = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 300000;
// 5 minutes default
try {
var payload = this.decryptObject(encryptedData);
var age = Date.now() - parseInt(payload.timestamp);
if (age > maxAge) {
throw new Error('Encrypted data has expired');
}
return payload.data;
} catch (error) {
_Logger["default"].error('Transport decryption failed', {
error: error.message
});
throw new Error('Failed to decrypt transport data');
}
}
}, {
key: "secureWipe",
value: function secureWipe(data) {
// Overwrite sensitive data in memory (best effort)
if (typeof data === 'string') {
data = '\0'.repeat(data.length);
} else if (_typeof(data) === 'object') {
for (var key in data) {
if (data.hasOwnProperty(key)) {
data[key] = null;
}
}
}
}
}]);
}();
var _default = exports["default"] = Encryption;