import crypto from 'crypto'; import { v4, v5, validate } from 'uuid'; import bcrypt from 'bcrypt'; import { JWT, JWE, JWK } from 'jose'; const SALT_ROUNDS = 10; const KEY = JWK.asKey(Buffer.from(secret())); const CHARS = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'; export function hash(...args) { return crypto.createHash('sha512').update(args.join('')).digest('hex'); } export function secret() { return hash(process.env.HASH_SALT); } export function uuid(...args) { if (!args.length) return v4(); return v5(args.join(''), v5.DNS); } export function isValidId(s) { return validate(s); } export function getRandomChars(n) { let s = ''; for (let i = 0; i < n; i++) { s += CHARS[Math.floor(Math.random() * CHARS.length)]; } return s; } export async function hashPassword(password) { return bcrypt.hash(password, SALT_ROUNDS); } export async function checkPassword(password, hash) { return bcrypt.compare(password, hash); } export async function createToken(payload) { return JWT.sign(payload, KEY); } export async function parseToken(token) { try { return JWT.verify(token, KEY); } catch { return null; } } export async function createSecureToken(payload) { return JWE.encrypt(await createToken(payload), KEY); } export async function parseSecureToken(token) { try { const result = await JWE.decrypt(token, KEY); return parseToken(result.toString()); } catch { return null; } }