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BeerCloak: a comprehensive Keycloak extension example

BeerCloak is a collection of different techniques for building custom admin resources in Keycloak.

  • BeerEntity JPA entity + LiquiBase changelog;
  • BeerResource realm REST resource with CRUD operations & more;
  • Authorization:
    • roles: view-beer and manage-beer;
    • automatically created for each existing realm;
    • automatically created for each newly added realm;
    • automatically included into the master admin role;
    • used for authorization on BeerResource and sub-resources;
  • Event logging:
    • AdminEventBuilder instance;
    • custom resource and action types (not yet implemented)
  • GUI extensions to the admin console.

The beercloak.resources.AbstractAdminResource is ready to be used as a base class for admin resources. It contains the code necessary to setup authorization and logging.

Structure

beercloak-core: "core" module with some "business logic", to demonstrate packaging with dependencies
beercloak-module: main module actually containing providers and everything (depends on beercloak-core)
beercloak-ear: EAR packaging module to combine all the above into a deployable EAR

Requirements

  • Keycloak 3.4.0.Final

Build

mvn install

Installation

  1. Copy beercloak-ear/target/beercloak-XXX.ear into Keycloak's standalone/deployments directory.

Warning! While Keycloak generally supports hot deployment of providers, this is not supported for EntityProviders. That means, BeerCloak shouldn't be hot (re)deployed, otherwise you'll get exceptions and non-working code.
See KEYCLOAK-5782 for more info.

  1. Configure theme in your standalone/configuration/standalone.xml:
        <subsystem xmlns="urn:jboss:domain:keycloak-server:1.1">
            ...
            <theme>
                <staticMaxAge>2592000</staticMaxAge>
                <cacheThemes>true</cacheThemes>
                <cacheTemplates>true</cacheTemplates>
                <dir>${jboss.home.dir}/themes</dir>
                <!-- Here we go -->
                <modules>
                    <module>
                        deployment.beercloak
                    </module>
                </modules>
                <default>beer</default>
            </theme>
            ...
        </subsystem>

You can omit <default>beer</default>, but then you'll have to manually choose the "beer" theme in realm configuration → Themes → Admin console theme.

(Currently, if you ship a theme inside your module, you have to configure it manually in the XML config. This may change in the future with automatic deployment of themes, you can track progress under KEYCLOAK-4547)

Running example

Run Keycloak and log into the admin console. You should be able to access the "Beer" menu item.