@webdisrupt/persona
Version:
Store local data in a secure data vault.
200 lines • 8.71 kB
JavaScript
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
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Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
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Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
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case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
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if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
exports.__esModule = true;
exports.cypher = void 0;
// The hashing and Encryption used to secure persona details
var CryptoJS = require("crypto-js");
var argon2 = __importStar(require("argon2"));
var password = require('secure-random-password');
var cypher = /** @class */ (function () {
function cypher() {
}
/**
* Perpares key for use
* @param key
* @returns 32 character key with most important factors taking precident
*/
cypher.getKey = function (key) {
try {
return key.length <= 32 ? key + this.ENCRYPTION_KEY.slice(key.length) : key.slice(0, 32);
}
catch (_a) {
throw new Error("Encryption key is null or undefined.");
}
};
/**
* Encrypt using secure encryption process
* @param text - String to encrypt
* @param key - Key used to dynamically strengthen encryption
* @returns
*/
cypher.encrypt = function (text, key) {
if (key === void 0) { key = ""; }
key = this.getKey(key);
var encrypted = CryptoJS.AES.encrypt(text, key).toString();
if (this.debug)
console.log("encrypt -> input: ", text);
if (this.debug)
console.log("encrypt -> output: ", encrypted);
if (this.debug)
return text;
return encrypted;
};
/**
* Decrypt using secure encryption process. If it fails then return an empty string.
* @param text - String to decrypt
* @param key - Key used to dynamically strengthen encryption
* @returns - decrypted string
*/
cypher.decrypt = function (text, key) {
if (key === void 0) { key = ""; }
var decrypted;
key = this.getKey(key);
try {
decrypted = CryptoJS.AES.decrypt(text, key);
}
catch (err) {
decrypted = "";
}
try {
if (this.debug)
console.log("decrypt -> input: ", text);
if (this.debug)
console.log("decrypt -> output: ", CryptoJS.enc.Utf8.stringify(decrypted));
if (this.debug)
return text;
return CryptoJS.enc.Utf8.stringify(decrypted);
}
catch (err) {
if (this.debug)
console.log("decrypt -> failed: ", err);
if (this.debug)
return text;
return "";
}
};
/**
* Uses Bcrypt to create a secure irreversible hash
* @param password - User supplied password
* @param saltRounds Optional - defines the complexity
* @returns
*/
cypher.hash = function (password, strength) {
if (strength === void 0) { strength = 3; }
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, argon2.hash(password, this.getStrength(strength))];
case 1:
//return await bcrypt.hash(password, saltRounds);
return [2 /*return*/, (_a.sent()).toString()];
}
});
});
};
cypher.getStrength = function (value) {
switch (value) {
case 1:
return { type: argon2.argon2id, parallelism: 2, timeCost: 2, memoryCost: 30000 };
break;
case 2:
return { type: argon2.argon2id, parallelism: 5, timeCost: 5, memoryCost: 30000 };
break;
case 3:
return { type: argon2.argon2id, parallelism: 10, timeCost: 10, memoryCost: 60000 };
break;
case 4:
return { type: argon2.argon2id, parallelism: 25, timeCost: 25, memoryCost: 60000 };
break;
case 5:
return { type: argon2.argon2id, parallelism: 50, timeCost: 50, memoryCost: 120000 };
break;
case 6:
return { type: argon2.argon2id, parallelism: 100, timeCost: 100, memoryCost: 240000 };
break;
}
};
/**
* Verify with Bcrypt to check if it is correct
* @param password - User supplied password
* @param hash - Hash to compare against
* @returns
*/
cypher.verify = function (password, hash) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, argon2.verify(hash, password)];
case 1:
//return bcrypt.compare(password, hash);
return [2 /*return*/, _a.sent()];
}
});
});
};
/**
* Generate random recovery code which will allow the user to unlock his acees to persona
*/
cypher.generateRecoveryCode = function () {
return password.randomPassword({ length: 32 });
};
cypher.ENCRYPTION_KEY = "ZrzAamNi4zj7ivjDaTpbRcx8i5786cTr";
cypher.debug = false;
return cypher;
}());
exports.cypher = cypher;
//# sourceMappingURL=cypher.js.map