Merge pull request #885 from terrestris/update-keycloak-util

Add methods to the `KeycloakUtil`

shogun-lib/src/main/java/de/terrestris/shogun/lib/util/KeycloakUtil.java

@@ -53,6 +53,14 @@ public class KeycloakUtil {
     @Autowired
     protected RealmResource keycloakRealm;
 
+    public List<UserRepresentation> getRealmUsers() {
+        return this.keycloakRealm.users().list();
+    }
+
+    public List<GroupRepresentation> getRealmGroups() {
+        return this.keycloakRealm.groups().groups();
+    }
+
     public UserResource getUserResource(User<UserRepresentation> user) {
         UsersResource kcUsers = this.keycloakRealm.users();
         return kcUsers.get(user.getAuthProviderId());
@@ -263,6 +271,22 @@ public ClientRepresentation getClientRepresentationFromClientId() {
         return clientRepresentations.getFirst();
     }
 
+    /**
+     * Returns the list of (client) roles for the client the shogun instance is configured with
+     * (see keycloak.clientId in properties).
+     *
+     * @return
+     */
+    public List<RoleRepresentation> getClientRoles() {
+        ClientRepresentation clientRepresentation = getClientRepresentationFromClientId();
+
+        if (clientRepresentation == null) {
+            return null;
+        }
+
+        return keycloakRealm.clients().get(clientRepresentation.getId()).roles().list();
+    }
+
     public RoleRepresentation getRoleByName(String roleName) {
         ClientRepresentation clientRepresentation = getClientRepresentationFromClientId();