Book Image

Hands-On Spring Security 5 for Reactive Applications

By : Tomcy John
Book Image

Hands-On Spring Security 5 for Reactive Applications

By: Tomcy John

Overview of this book

Spring Security enables developers to seamlessly integrate authorization, authentication, and a range of security features for complex enterprise applications. This book provides a hands-on approach to developing reactive applications using Spring and will help you get up and running in no time. Complete with step-by-step explanations, practical examples, and self-assessment questions, the book begins by explaining the essential concepts of reactive programming, Spring Framework, and Spring Security. You’ll then learn about a variety of authentication mechanisms and how to integrate them easily with a Spring MVC application. You’ll also understand how to achieve authorization in a Spring WebFlux application using Spring Security. Furthermore, the book will take you through the configuration required to implement OAuth2 for securing REST APIs, and guide you in integrating security in microservices and serverless applications. Finally, you’ll be able to augment add-ons that will enhance any Spring Security module. By the end of the book, you’ll be equipped to integrate Spring Security into your Java enterprise applications proficiently.
Table of Contents (15 chapters)
Title Page
Copyright and Credits
Packt Upsell

Lightweight Directory Access Protocol

Lightweight Directory Access Protocol (LDAP) is a directory service protocol that allows for connecting, searching, and modifying internet directories. Unfortunately, LDAP doesn't support reactive bindings; this means that reactive programming is not possible (similar to JDBC) with it. The function of LDAP authentication is shown in the following diagram:

Figure 3: LDAP authentication

Similar to the previous example, we will clone/copy the previous project (any Spring Boot project will do; I am cloning the spring-boot-in-memory-saml2-authentication project). Again, similar to the previous project, we will modify a couple of files and add a few more files to the project. We will use the built-in Java-based LDAP server to validate the user credentials.

Set up dependencies in the pom.xml file

Open pom.xml and add the following dependencies:

<!-- LDAP -->