Add map datastore provider

model/legacy-private/src/main/java/org/keycloak/storage/datastore/LegacyDatastoreProviderFactory.java

@@ -2,12 +2,13 @@ package org.keycloak.storage.datastore;
 
 import org.keycloak.Config;
 import org.keycloak.Config.Scope;
+import org.keycloak.common.Profile;
 import org.keycloak.models.KeycloakSession;
 import org.keycloak.models.KeycloakSessionFactory;
 import org.keycloak.models.utils.PostMigrationEvent;
+import org.keycloak.provider.EnvironmentDependentProviderFactory;
 import org.keycloak.provider.ProviderEvent;
 import org.keycloak.provider.ProviderEventListener;
-import org.keycloak.services.managers.UserStorageSyncManager;
 import org.keycloak.services.scheduled.ClearExpiredClientInitialAccessTokens;
 import org.keycloak.services.scheduled.ClearExpiredEvents;
 import org.keycloak.services.scheduled.ClearExpiredUserSessions;
@@ -16,9 +17,10 @@ import org.keycloak.services.scheduled.ScheduledTaskRunner;
 import org.keycloak.storage.DatastoreProvider;
 import org.keycloak.storage.DatastoreProviderFactory;
 import org.keycloak.storage.LegacyStoreSyncEvent;
+import org.keycloak.storage.managers.UserStorageSyncManager;
 import org.keycloak.timer.TimerProvider;
 
-public class LegacyDatastoreProviderFactory implements DatastoreProviderFactory, ProviderEventListener {
+public class LegacyDatastoreProviderFactory implements DatastoreProviderFactory, ProviderEventListener, EnvironmentDependentProviderFactory {
 
     private static final String PROVIDER_ID = "legacy";
     private long clientStorageProviderTimeout;
@@ -87,4 +89,9 @@ public class LegacyDatastoreProviderFactory implements DatastoreProviderFactory,
         }
     }
 
+    @Override
+    public boolean isSupported() {
+        return ! Profile.isFeatureEnabled(Profile.Feature.MAP_STORAGE);
+    }
+
 }

model/map/pom.xml

@@ -60,6 +60,13 @@
             <groupId>org.keycloak</groupId>
             <artifactId>keycloak-server-spi-private</artifactId>
         </dependency>
+        <dependency>
+            <!-- needed for MapExportImportManager that is calling ValidationUtil.validateClient (which is in server-spi-private) might throw a BadRequestException -->
+            <!-- see: https://github.com/hmlnarik/keycloak/pull/23#discussion_r862293798 -->
+            <groupId>org.jboss.resteasy</groupId>
+            <artifactId>resteasy-jaxrs</artifactId>
+            <scope>provided</scope>
+        </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.datatype</groupId>
             <artifactId>jackson-datatype-jdk8</artifactId>

model/map/src/main/java/org/keycloak/models/map/datastore/MapDatastoreProvider.java

@@ -0,0 +1,78 @@
+package org.keycloak.models.map.datastore;
+
+import org.keycloak.models.ClientProvider;
+import org.keycloak.models.ClientScopeProvider;
+import org.keycloak.models.GroupProvider;
+import org.keycloak.models.KeycloakSession;
+import org.keycloak.models.RealmModel;
+import org.keycloak.models.RealmProvider;
+import org.keycloak.models.RoleProvider;
+import org.keycloak.models.UserProvider;
+import org.keycloak.representations.idm.RealmRepresentation;
+import org.keycloak.storage.DatastoreProvider;
+import org.keycloak.storage.ExportImportManager;
+import org.keycloak.storage.MigrationManager;
+
+public class MapDatastoreProvider implements DatastoreProvider {
+
+    private final KeycloakSession session;
+
+    public MapDatastoreProvider(KeycloakSession session) {
+        this.session = session;
+    }
+
+    @Override
+    public void close() {
+    }
+
+    @Override
+    public ClientScopeProvider clientScopes() {
+        return session.getProvider(ClientScopeProvider.class);
+    }
+
+    @Override
+    public ClientProvider clients() {
+        return session.getProvider(ClientProvider.class);
+    }
+
+    @Override
+    public GroupProvider groups() {
+        return session.getProvider(GroupProvider.class);
+    }
+
+    @Override
+    public RealmProvider realms() {
+        return session.getProvider(RealmProvider.class);
+    }
+
+    @Override
+    public RoleProvider roles() {
+        return session.getProvider(RoleProvider.class);
+    }
+
+    @Override
+    public UserProvider users() {
+        return session.getProvider(UserProvider.class);
+    }
+
+    @Override
+    public ExportImportManager getExportImportManager() {
+        return new MapExportImportManager(session);
+    }
+
+    @Override
+    public MigrationManager getMigrationManager() {
+        return new MigrationManager() {
+            @Override
+            public void migrate() {
+                // Do not migrate the datasources
+            }
+
+            @Override
+            public void migrate(RealmModel realm, RealmRepresentation rep, boolean skipUserDependent) {
+                // Do not migrate the representation: assume it is the latest
+            }
+        };
+    }
+
+}

model/map/src/main/java/org/keycloak/models/map/datastore/MapDatastoreProviderFactory.java

@@ -0,0 +1,41 @@
+package org.keycloak.models.map.datastore;
+
+import org.keycloak.Config.Scope;
+import org.keycloak.common.Profile;
+import org.keycloak.models.KeycloakSession;
+import org.keycloak.models.KeycloakSessionFactory;
+import org.keycloak.provider.EnvironmentDependentProviderFactory;
+import org.keycloak.storage.DatastoreProvider;
+import org.keycloak.storage.DatastoreProviderFactory;
+
+public class MapDatastoreProviderFactory implements DatastoreProviderFactory, EnvironmentDependentProviderFactory {
+    
+    private static final String PROVIDER_ID = "map";
+
+    @Override
+    public DatastoreProvider create(KeycloakSession session) {
+        return new MapDatastoreProvider(session);
+    }
+
+    @Override
+    public void init(Scope config) {
+    }
+
+    @Override
+    public void postInit(KeycloakSessionFactory factory) {
+    }
+
+    @Override
+    public void close() {
+    }
+
+    @Override
+    public String getId() {
+        return PROVIDER_ID;
+    }
+
+    @Override
+    public boolean isSupported() {
+        return Profile.isFeatureEnabled(Profile.Feature.MAP_STORAGE);
+    }
+}

model/map/src/main/resources/META-INF/services/org.keycloak.storage.DatastoreProviderFactory

@@ -0,0 +1,18 @@
+#
+# Copyright 2022 Red Hat, Inc. and/or its affiliates
+# and other contributors as indicated by the @author tags.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+org.keycloak.models.map.datastore.MapDatastoreProviderFactory