Hands-On Full Stack Web Development with Aurelia

The authentication REST controller

We have already defined the route that will be responsible to make our logic available as a REST endpoint, so the only step required is to call our logIn function. Go ahead and apply the following change:

...const generateToken = (userData) => {   return jwt.sign(userData, "s3cret", { expiresIn: '3h' })}api  .route('/auth')  .post((req, res, next) => {    let { username, password } = req.body    let token = logIn(username, password)    if (token) {        res.send(token)    } else {        next(new Error("Authentication failed"))    }  })module.exports = api

First, we extract the username and password from the req.body object. After that, we call the logIn function and host the result in the token variable. If the token is not null, we ...