Hands-On Full Stack Web Development with Aurelia

The authentication logic

Let's create a simple authentication logic. The backend expects a username and password with the value of the administrator. If these values are provided, it will return a valid token; otherwise, it will return null. Apply the following changes to the code:

const express = require('express')const api = express.Router()const logIn = (username, password) => {    if (username === 'admin' && password === 'admin') {        const userData = {            name: "Admin"        }                return generateToken(userData)            }    return null}api...

The code is very straightforward. First, we compare the value in a simple if conditional, and we created a userData object, which will contain the user information, in this case just a name value is provided. Finally, we ...