How to protect REST with Spring Security

Protecting web applications is an inherently complex proposal. Spring security It provides Java developers with a powerful framework to address this need, but with a steep learning curve.

This article provides a brief survey of the key components behind protecting the REST API with Spring Security.Create a simple app to use JSON Web Token (JWT) Saves user information.

Due to its simplicity and compactness, the JWT is rapidly becoming the standard approach for retaining credentials.

Simple and secure REST API

Here’s what you want a simple app to do:

  1. Provides a UI with a button to send a request to the backend endpoint.
  2. Enter the username and password fields for the user to log in.
  3. If the API button is clicked and the user is not logged in, the endpoint call is rejected with an “HTTP 401 Forbidden” response.
  4. For users teeth After logging in, send the response from the endpoint.

This simple app shows all the components needed to protect the REST API using Spring and JWT. The full production version of the sample app is: here..

Before we get started, we’ll give you an overview of the bird’s-eye view and access each file in your project once to highlight the most important elements.

How to protect REST with Spring Security

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