Book Image

Keycloak - Identity and Access Management for Modern Applications

By : Stian Thorgersen, Pedro Igor Silva
Book Image

Keycloak - Identity and Access Management for Modern Applications

By: Stian Thorgersen, Pedro Igor Silva

Overview of this book

Implementing authentication and authorization for applications can be a daunting experience, often leaving them exposed to security vulnerabilities. Keycloak is an open-source solution for identity management and access management for modern applications, which can make a world of difference if you learn how to use it. Keycloak, helping you get started with using it and securing your applications. Complete with hands-on tutorials, best practices, and self-assessment questions, this easy-to-follow guide will show you how to secure a sample application and then move on to securing different application types. As you progress, you will understand how to configure and manage Keycloak as well as how to leverage some of its more advanced capabilities. Finally, you'll gain insights into securely using Keycloak in production. By the end of this book, you will have learned how to install and manage Keycloak as well as how to secure new and existing applications.
Table of Contents (21 chapters)
Section 1: Getting Started with Keycloak
Section 2: Securing Applications with Keycloak
Section 3: Configuring and Managing Keycloak
Section 4: Security Considerations

Chapter 4: Authenticating Users with OpenID Connect

In this chapter, you will get a deeper understanding of how Keycloak enables you to authenticate users in your applications by leveraging the OpenID Connect standard. Through using a sample application that was written for this book, we will see the first-hand interaction between an application and Keycloak, including the contents of requests and responses.

By the end of this chapter, you will have a good understanding of OpenID Connect, including how to authenticate users, understanding the ID token, and how to deal with users logging out.

In this chapter, we're going to cover the following main topics:

  • Running the OpenID Connect playground
  • Understanding the Discovery endpoint
  • Authenticating a user
  • Understanding the ID token
  • Invoking the UserInfo endpoint
  • Dealing with users logging out