generateDSToken.js

const crypto = require('crypto');

module.exports = () => {
  const time = Math.floor(Date.now() / 1000);
  const DS_SALT = '6cqshh5dhw73bzxn20oexa9k516chk7s';
  const randomChar = randomString(6);
  const data = `salt=${DS_SALT}&t=${time}&r=${randomChar}`;
  const hash = crypto.createHash('md5').update(data).digest('hex');
  return `${time},${randomChar},${hash}`;
}

funcion randomString(len = 6, an) => {
  an = an && an.toLowerCase();
  let str = '';
  let i = 0;
  let min = an === 'a' ? 10 : 0;
  let max = an === 'n' ? 10 : 62;
  for (;i++ < len;) {
    let r = Math.random() * (max - min) + min << 0;
    str += String.fromCharCode(r += r > 9 ? r < 36 ? 55 : 61 : 48);
  }
  return str;
};