router.use(function(req, res, next){
  let token = req.query.token;
  if(token === 'bca26632-928c-4f40-93e1-7e130d3298b0'){
    next();
  }
  else {
    res.json({ status: 'error', error: 'Access denied' });
    // next({ status: 'error', error: 'Access denied' });
  }
});