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service-jee-jaxrs: JAX-RS Service

Level: Beginner Technologies: JavaEE Summary: JAX-RS Service Target Product: Red Hat SSO, JBoss EAP Source: https://github.com/redhat-developer/redhat-sso-quickstarts

What is it?

The service-jee-jaxrs quickstart demonstrates how to write a RESTful service with JAX-RS that is secured with Red Hat SSO.

There are 3 endpoints exposed by the service:

  • public - requires no authentication
  • secured - can be invoked by users with the user role
  • admin - can be invoked by users with the admin role

The endpoints are very simple and will only return a simple message stating what endpoint was invoked.

System Requirements

You need to have JBoss EAP 7.1.0 running.

All you need to build this project is Java 8.0 (Java SDK 1.8) or later and Maven 3.1.1 or later.

Configuration in Red Hat SSO

Prior to running the quickstart you need to create a client in Red Hat SSO and download the installation file.

The following steps shows how to create the client required for this quickstart:

  • Open the Red Hat SSO admin console
  • Select Clients from the menu
  • Click Create
  • Add the following values:
    • Client ID: You choose (for example service-jaxrs)
    • Client Protocol: openid-connect
  • Click Save

Once saved you need to change the Access Type to bearer-only and click save.

Finally you need to configure the adapter, this is done by retrieving the adapter configuration file:

  • Click on Installation in the tab for the client you created
  • Select Keycloak OIDC JSON
  • Click Download
  • Move the file keycloak.json to the config/ directory in the root of the quickstart

You may also want to enable CORS for the service if you want to allow invocations from HTML5 applications deployed to a different host. To do this edit keycloak.json and add:

{
   ...
   "enable-cors": true
}

Build and Deploy the Quickstart

  1. Open a terminal and navigate to the root directory of this quickstart.

  2. The following shows the command to deploy the quickstart:

    mvn clean wildfly:deploy

If you prefer to secure WARs via Red Hat SSO subsystem:

mvn install -Dsubsystem wildfly:deploy

Access the Quickstart

The endpoints for the service are:

You can open the public endpoint directly in the browser to test the service. The two other endpoints require invoking with a bearer token. To invoke these endpoints use one of the example quickstarts:

  • app-jee-html5 - HTML5 application that invokes the example service. Requires service example to be deployed.
  • app-jee-jsp - JSP application packaged that invokes the example service. Requires service example to be deployed.

Integration test of the Quickstart

  1. Make sure you have an Red Hat SSO server running with an admin user in the master realm or use the provided docker image
  2. Be sure to set the TestHelper.keycloakBaseUrl in the createArchive method.
  3. Run mvn clean install -Pwildfly-managed

Undeploy the Quickstart

  1. Open a terminal and navigate to the root directory of this quickstart.

  2. The following shows the command to undeploy the quickstart:

    mvn install wildfly:undeploy