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

Binding scopes with user roles to protect user's resources

By using scopes we can add fine-grained protection to the user's resources. Spring Security also provides the concept of roles which can be interchangeable with scopes defined by Spring Security OAuth2. As explained by Dave Syer (leader of the Spring Securit OAuth2 project), roles and scopes are just arbitrary strings that might be considered as the same thing (you can read more about this explanation at This recipe presents you with how to bind scopes that are available for some client details with the roles that a Resource Owner might have. In this case, the Resource Owner would be able to approve scopes that are related to her roles.

Getting ready

To run this recipe, you will need Java 8, Maven, Spring Web, and Spring security. To ease the project creation step, use Spring Initializr at and define the dependencies...