SwiftUI and Node.js Full Stack - Build Twitter - iOS 16 - Auth Middleware

This video tutorial covers the implementation of authentication in an app using tokens. It explains how tokens are used for user authentication and stored in the database. The tutorial introduces middleware to make routes private and secure, using JWT for token verification. It also demonstrates error handling and testing the authentication process with Postman.

What happens if the token does not match the expected value during authentication?

How do you handle errors in the authentication middleware?

What is the process to ensure that a user is authenticated before accessing certain routes?

How does the system respond when a user tries to access a route without proper authentication?