@tree-house/authentication/dist/lib/cipher.js

Tree House Authentication

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.dehashPassword = exports.hashPassword = exports.comparePassword = exports.generateRandomHash = exports.getHashedPassword = void 0;
const crypto_1 = __importDefault(require("crypto"));
const bcryptjs_1 = __importDefault(require("bcryptjs"));
function getHashedPassword(password, saltCount) {
    return bcryptjs_1.default.hash(password, saltCount);
}
exports.getHashedPassword = getHashedPassword;
function generateRandomHash(algorithm = 'sha256', secret = Math.random().toString(36).slice(-8)) {
    return crypto_1.default.createHmac(algorithm, secret).digest('hex');
}
exports.generateRandomHash = generateRandomHash;
function comparePassword(password, hashedPw) {
    return bcryptjs_1.default.compare(password, hashedPw);
}
exports.comparePassword = comparePassword;
function hashPassword(password, { algorithm, key, iv }) {
    const ivBuffer = Buffer.from(iv);
    const encryptor = crypto_1.default.createCipheriv(algorithm, key, ivBuffer);
    encryptor.setEncoding('hex');
    encryptor.write(password);
    encryptor.end();
    return encryptor.read().toString();
}
exports.hashPassword = hashPassword;
function dehashPassword(password, { algorithm, key, iv }) {
    const ivBuffer = Buffer.from(iv);
    const decryptor = crypto_1.default.createDecipheriv(algorithm, key, ivBuffer);
    const decryptedText = decryptor.update(password, 'hex');
    return `${decryptedText}${decryptor.final('utf-8')}`;
}
exports.dehashPassword = dehashPassword;