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OAuth 2.0 Cookbook
OAuth 2.0 Cookbook

OAuth 2.0 Cookbook: Protect your web applications using Spring Security

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Profile Icon Adolfo Eloy Nascimento
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$48.99
Full star icon Full star icon Full star icon Half star icon Empty star icon 3.7 (3 Ratings)
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Arrow left icon
Profile Icon Adolfo Eloy Nascimento
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Paperback Oct 2017 420 pages 1st Edition
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$27.98 $39.99
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OAuth 2.0 Cookbook

Implementing Your Own OAuth 2.0 Provider

In this chapter, we will cover the following recipes:

  • Protecting resources using the Authorization Code grant type
  • Supporting the Implicit grant type
  • Using the Resource Owner Password Credentials grant type as an approach for OAuth 2.0 migration
  • Configuring Client Credentials grant type
  • Adding support for refresh tokens
  • Using a relational database to store tokens and client details
  • Using Redis as a token store
  • Implementing client registration
  • Breaking the OAuth 2.0 Provider in the middle
  • Using Gatling to load test the token validation process using shared databases

Introduction

Nowadays we have scenarios which demand that applications interact with a large number of services and also provide services by themselves distributed as APIs throughout the network. Despite this, it's common to allow users of our applications to grant permissions to third-party applications, where OAuth 2.0 has proven to be a good option.

In this chapter, you will learn how to create, configure, and distribute an OAuth 2.0 Provider covering distinct scenarios using all the grant types described by the OAuth 2.0 specification, as well as how to use different access token management strategies through relational databases and Redis (a NoSQL database). All the recipes in this chapter will be implemented using Spring Security OAuth2, which at the time of writing this book, was at the 2.2.0.RELEASE version (check the official documentation for Spring Security OAuth2...

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...

Supporting the Implicit grant type

This recipe shows you how to configure the Implicit grant type, which is appropriate for web applications which run directly on web browsers (such as JavaScript applications). This recipe will provide everything needed to allow the client to use resources in the name of the Resource Owner by accessing an OAuth 2.0 protected API.

Getting ready

To run this recipe, you can use your preferred IDE and must have Java 8 and Maven installed. As this grant type run totally on the web browser, you don't need to run commands to retrieve access tokens as if they were being performed on the server side. Here the access token will be retrieved implicitly when the user grants permissions for third...

Using the Resource Owner Password Credentials grant type as an approach for OAuth 2.0 migration

This recipe will show you how to configure the Resource Owner Password Credentials, or Password Credentials for short. Although this grant type should be avoided at any cost, because by using it we are asking for the user's credentials (and that's what OAuth 2.0 wants to solve by the user's access delegation), it's important to mention this recipe as a strategy when migrating from a user's credential sharing approach to the OAuth 2.0 approach. In addition, it might be used safely when both the client and the OAuth 2.0 Provider belong to the same solution.

Getting ready

To run this recipe, you can use your...

Configuring the Client Credentials grant type

This recipe shows you how to configure the Client Credentials grant type, which is appropriate when an application needs to access resources for its own benefit instead of accessing the Resource Owner's resources.

Getting ready

To run this recipe, you can use your preferred IDE and must have Java 8 and Maven installed. For this recipe, we will be executing some HTTP requests through the usage of CURL commands as we did before. Make sure you have CURL or Postman tools installed before continuing. This recipe will use Spring Security OAuth2 Framework and we will not add any database support. The source code for this recipe can be downloaded from https://github.com/PacktPublishing...

Adding support for refresh tokens

This recipe covers an important feature described by the OAuth 2.0 specification and implemented by Spring Security OAuth2 as well. That's the refresh token grant type, which allows for a better user experience because the Resource Owner does not have to go through all the steps of authentication and authorization against the Authorization Server every time an access token expires.

Getting ready

To run this recipe, you can use your preferred IDE and must have Java 8 and Maven installed. As we will add support to refresh tokens for the Authorization Code and Password grant types, now we will interact with the Authorization Server and Resource Server using the already known tools that are...

Introduction


Nowadays we have scenarios which demand that applications interact with a large number of services and also provide services by themselves distributed as APIs throughout the network. Despite this, it's common to allow users of our applications to grant permissions to third-party applications, where OAuth 2.0 has proven to be a good option.

In this chapter, you will learn how to create, configure, and distribute an OAuth 2.0 Provider covering distinct scenarios using all the grant types described by the OAuth 2.0 specification, as well as how to use different access token management strategies through relational databases and Redis (a NoSQL database). All the recipes in this chapter will be implemented using Spring Security OAuth2, which at the time of writing this book, was at the 2.2.0.RELEASE version (check the official documentation for Spring Security OAuth2 at http://projects.spring.io/spring-security-oauth/docs/oauth2.html). It's important learning how to configure your...

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 https://www.getpostman.com/. 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...

Supporting the Implicit grant type


This recipe shows you how to configure the Implicit grant type, which is appropriate for web applications which run directly on web browsers (such as JavaScript applications). This recipe will provide everything needed to allow the client to use resources in the name of the Resource Owner by accessing an OAuth 2.0 protected API.

Getting ready

To run this recipe, you can use your preferred IDE and must have Java 8 and Maven installed. As this grant type run totally on the web browser, you don't need to run commands to retrieve access tokens as if they were being performed on the server side. Here the access token will be retrieved implicitly when the user grants permissions for third-party applications. This recipe will use Spring Security OAuth2 Framework and, to keep it as straight as possible, we will not add any database support. The source code for this recipe can be downloaded from https://github.com/PacktPublishing/OAuth-2.0-Cookbook/tree/master/Chapter02...

Using the Resource Owner Password Credentials grant type as an approach for OAuth 2.0 migration


This recipe will show you how to configure the Resource Owner Password Credentials, or Password Credentials for short. Although this grant type should be avoided at any cost, because by using it we are asking for the user's credentials (and that's what OAuth 2.0 wants to solve by the user's access delegation), it's important to mention this recipe as a strategy when migrating from a user's credential sharing approach to the OAuth 2.0 approach. In addition, it might be used safely when both the client and the OAuth 2.0 Provider belong to the same solution.

Getting ready

To run this recipe, you can use your preferred IDE and must have Java 8 and Maven installed. It's also recommended to have CURL or Postman installed, because we will interact with the Authorization Server and Resource Server automatically without actually using any client. By running this recipe, your OAuth 2.0 Provider will be able...

Configuring the Client Credentials grant type


This recipe shows you how to configure the Client Credentials grant type, which is appropriate when an application needs to access resources for its own benefit instead of accessing the Resource Owner's resources.

Getting ready

To run this recipe, you can use your preferred IDE and must have Java 8 and Maven installed. For this recipe, we will be executing some HTTP requests through the usage of CURL commands as we did before. Make sure you have CURL or Postman tools installed before continuing. This recipe will use Spring Security OAuth2 Framework and we will not add any database support. The source code for this recipe can be downloaded from https://github.com/PacktPublishing/OAuth-2.0-Cookbook/tree/master/Chapter02/client-credentials-server.

How to do it...

The following steps will guide you to configure an Authorization Server and a Resource Server using Spring Security OAuth2:

  1. Create the initial project using Spring Initializr, as we did for...
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Key benefits

  • •Interact with public OAuth 2.0 protected APIs such as Facebook, LinkedIn and Google.
  • •Use Spring Security and Spring Security OAuth2 to implement your own OAuth 2.0 provider
  • •Learn how to implement OAuth 2.0 native mobile clients for Android applications

Description

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.

Who is this book for?

This book targets software engineers and security experts who are looking to develop their skills in API security and OAuth 2.0. Prior programming knowledge and a basic understanding of developing web applications are necessary. As this book's recipes mostly use Spring Security and Spring Security OAuth2, some prior experience with Spring Framework will be helpful.

What you will learn

  • •Use Redis and relational databases to store issued access tokens and refresh tokens
  • •Access resources protected by the OAuth2 Provider using Spring Security
  • •Implement a web application that dynamically registers itself to the Authorization Server
  • •Improve the safety of your mobile client using dynamic client registration
  • •Protect your Android client with Proof Key for Code Exchange
  • •Protect the Authorization Server from invalid redirection
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Publication date : Oct 18, 2017
Length: 420 pages
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Language : English
ISBN-13 : 9781788295963
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Table of Contents

8 Chapters
OAuth 2.0 Foundations Chevron down icon Chevron up icon
Implementing Your Own OAuth 2.0 Provider Chevron down icon Chevron up icon
Using OAuth 2.0 Protected APIs Chevron down icon Chevron up icon
OAuth 2.0 Profiles Chevron down icon Chevron up icon
Self Contained Tokens with JWT Chevron down icon Chevron up icon
OpenID Connect for Authentication Chevron down icon Chevron up icon
Implementing Mobile Clients Chevron down icon Chevron up icon
Avoiding Common Vulnerabilities Chevron down icon Chevron up icon

Customer reviews

Rating distribution
Full star icon Full star icon Full star icon Half star icon Empty star icon 3.7
(3 Ratings)
5 star 33.3%
4 star 33.3%
3 star 0%
2 star 33.3%
1 star 0%
Dmitry Jun 11, 2020
Full star icon Full star icon Full star icon Full star icon Full star icon 5
TBH, I like this book. I got everything I was needed
Amazon Verified review Amazon
Cristiana Dec 15, 2017
Full star icon Full star icon Full star icon Full star icon Empty star icon 4
This book is very helpful. It goes through the steps in a simple and efficient manner. I would strongly recommend 'OAuth 2.0 Cookbook' if you want to get started or improve your knowledge in OAuth 2.0.
Amazon Verified review Amazon
Nobody Dec 11, 2017
Full star icon Full star icon Empty star icon Empty star icon Empty star icon 2
Gross. Unless you plan to deploy with this java Spring framework I doubt you'll find much generally useful here.
Amazon Verified review Amazon
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