Keycloak Custom SPI and Database Extensions: Adding Your Own Tables 2/2

In the previous story, we learned the foundation for extending Keycloak with custom database entities and providers. In this story, we’ll explain how to expose the subscription management via a REST API extension.

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· Prerequisites
· Overview
· Implementing Subscription CRUD in a Custom Provider
∘ Define the Provider Interface
∘ Implement the Provider
∘ Factory for Subscription Provider
∘ The SPI Class
∘ Service Loader Configuration
· Exposing Subscription CRUD via REST API
∘ REST Resource Implementation
∘ Factory for REST Resource
∘ Registering the REST Extension
· Test the REST APIs
· Conclusion
· Additional Readings
· References

Prerequisites

This is the list of all the prerequisites:

• All steps in Part 1 must be completed