Implement a Client Service

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prerequisites
OAuth 2 app roles • basic Spring Security • Grant types
skills learned
implement a Spring Boot service that acts as a client in an OAuth 2 system
Laurentiu Spilca
1 week · 4-6 hours per week · INTERMEDIATE
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In real-world systems, services act sometimes as clients for other services. In this liveProject, you’ll implement a Spring Boot service that acts as a client for the OAuth 2 system. You’ll set up needed dependencies, register a client at the authorization server, and implement a proxy that uses the client credentials grant type. Finally, you’ll validate that the full setup works correctly and this mock server can accurately send advice to the health system.
This project is designed for learning purposes and is not a complete, production-ready application or solution.

project author

Laurentiu Spilca
Laurentiu Spilca is a dedicated development lead and trainer at Endava, where he leads and consults on multiple projects from various locations in Europe, Asia, and the U.S. Laurentiu believes it's essential to not only deliver high-quality software but to also share knowledge and help others to up-skill, which has driven him to design and teach courses related to Java technologies and deliver presentations and workshops. He is the author of Spring Security in Action and Spring Quickly.

prerequisites

This liveProject is for intermediate Java developers familiar with Spring and Spring Security. To begin this liveProject you need to be familiar with the following tools, technologies, and techniques.

TOOLS
  • OAuth 2 app roles
  • Spring Security basic contracts such as UserDetailsService, PasswordEncoder, and GrantedAuthority
  • SQL queries for CRUD operations
  • Postman or cURL for endpoint testing
TECHNIQUES
  • Authorization code, password, client credentials, and refresh token grant types
  • Unit and integration testing

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