Book Image

OAuth 2.0 Cookbook

By : Adolfo Eloy Nascimento
Book Image

OAuth 2.0 Cookbook

By: Adolfo Eloy Nascimento

Overview of this book

OAuth 2.0 is a standard protocol for authorization and focuses on client development simplicity while providing specific authorization flows for web applications, desktop applications, mobile phones, and so on. This book also provides useful recipes for solving real-life problems using Spring Security and creating Android applications. The book starts by presenting you how to interact with some public OAuth 2.0 protected APIs such as Facebook, LinkedIn and Google. You will also be able to implement your own OAuth 2.0 provider with Spring Security OAuth2. Next, the book will cover practical scenarios regarding some important OAuth 2.0 profiles such as Dynamic Client Registration, Token Introspection and how to revoke issued access tokens. You will then be introduced to the usage of JWT, OpenID Connect, and how to safely implement native mobile OAuth 2.0 Clients. By the end of this book, you will be able to ensure that both the server and client are protected against common vulnerabilities.
Table of Contents (16 chapters)
Title Page
About the Author
About the Reviewer
Customer Feedback

Protecting resources using the Authorization Code grant type

This recipe shows you how to configure the most well-known OAuth 2.0 grant type, which is the Authorization Code grant type. After configuring an OAuth 2.0 Provider comprised of an Authorization Server and a Resource Server, the application built through this recipe will provide all the necessary Resource Owner's authorizations for resources usage (resources available through APIs protected by the Resource Server).

Getting ready

To run this recipe, you can use your preferred IDE and must have Java 8 and Maven installed. To run the examples, I recommend you to use the command line tool CURL, or install the application Postman which allows to create HTTP requests in an intuitively manner. If you want to use Postman, the installation file can be download from This recipe will use Spring Security OAuth2 Framework and to keep it as possible, we will not add any database support at moment; that is, we will...