getUser.js

import withFirebase from '../../../middlewares/withFirebase';

async function handle(req, res) {
  const token = req.cookies.token || req.headers.authorization.split(' ')[1];
  if (token) {
    req.admin
      .auth()
      .verifyIdToken(token)
      .then((decodedIdToken) => {
        if (decodedIdToken) {
          req.admin
            .auth()
            .createSessionCookie(token, { expiresIn: 60 * 60 * 24 * 7 * 1000 })
            .then((sessionCookie) => {
              const options = {
                maxAge: 60 * 60 * 24 * 7 * 1000,
                domain: 'localhost',
                httpOnly: true,
              };
              res.cookie('token', sessionCookie, options);
              res.json({ sessionCookie });
            });
        }
      })
      .catch(() => {
        res.status(400).json({ message: 'Not authorized! Go back!' });
      });
  } else {
    res.status(400).json({ message: 'Not authorized! Go back!' });
  }
}
export default withFirebase(handle);