Adding Authentication
Learn to add user authentication to the application.
We'll cover the following...
Previously, we added the capability of creating new users to our application. This, by itself, is a cool feature, but it’s not worth much if we can’t use it for authentication. That’s what we’ll do here.
We’ll start by creating the logic that checks whether a username and password combination is correct, and then we’ll implement an endpoint to do that.
After this, we’ll transition into the authorization topic by returning a token from the login endpoint and later using that token to check if a user is authenticated.
Let’s go step by step, starting with the business logic and persistency layer.
Creating the login business logic
It’s already a practice of ours to, when writing new functionality, start with the business ...