umami/lib/crypto.js

import crypto from 'crypto';
import { v4, v5, validate } from 'uuid';
import bcrypt from 'bcrypt';
import { JWT, JWE, JWK } from 'jose';

const KEY = JWK.asKey(Buffer.from(secret()));

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(process.env.HASH_SALT, v5.DNS));
}

export function isValidId(s) {
  return validate(s);
}

export 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;
  }
}