JWT Authentication with Spring Boot
JWT Authentication with Role-based access in a Spring Boot Introduction This tutorial will guide you through implementing JWT-based authentication in a Spring Boot application with role-based access. We’ll also integrate a React frontend that allows users to log in and redirects them based on their roles (Admin or User). JWT Authentication Flow The flow of JWT-based authentication involves several steps for secure communication between the user, frontend, and backend. Below is a visual representation of the JWT authentication flow: The flowchart demonstrates how a user logs in, receives a JWT token, stores it in local storage, and sends it with each authenticated request. The backend verifies the token and either grants access or responds with a 401 Unauthorized status if the token is invalid. Backend: Spring Boot Setup Start by creating a Spring Boot application with the following dependencies: Spring Web for creating REST APIs Spring Security for ha...
