Passport JWT middleware

user_controller.js

const url = require('url');
const router = require('express').Router();
const passport = require('passport');
const jwt = require('jsonwebtoken');
const User = require('../schemas/user');

router.post('/register', (req, res) => {
  if(!(req.body.email && req.body.password)) return res.status(200).send('no password or email provided');
  User.findByEmail(req.body.email, (err, user) => {
    if(user.length > 0) return res.status(200).send('user with given email exists');
    User.make({email: req.body.email, password: req.body.password}, (err, user) => {
      if(err) return res.status(200).send('can\'t create user');
      const token = jwt.sign({email: req.body.email}, 'your_jwt_secret');
      return res.json({email: req.body.email, token});
    });
  });
});

router.post('/login', passport.authenticate('local', {session: false}), (req, res, next) => {
  const token = jwt.sign({email: req.user.email}, 'your_jwt_secret');
  return res.json({email: req.user.email, token});
}, (err, req, res, next) => {
  return res.send({'status': 'err', 'message': err.message});
});

router.get('/me', (req, res) => {
  const url_parts = url.parse(req.url, true);
  const query = url_parts.query;
  jwt.verify(query.token, 'your_jwt_secret', function(err, decoded) {
    if(err) return res.status(200).send(err);
    return res.status(200).send(decoded);
  });
});

module.exports = router;

Thanks for sharing!