/*
* Copyright 2016 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.
*
*/
package org.keycloak.authorization.policy.provider.aggregated;
import java.util.ArrayList;
import java.util.List;
import org.keycloak.Config;
import org.keycloak.authorization.AuthorizationProvider;
import org.keycloak.authorization.model.Policy;
import org.keycloak.authorization.policy.provider.PolicyProvider;
import org.keycloak.authorization.policy.provider.PolicyProviderFactory;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.KeycloakSessionFactory;
import org.keycloak.representations.idm.authorization.AggregatePolicyRepresentation;
import org.keycloak.representations.idm.authorization.PolicyRepresentation;
/**
* @author <a href="mailto:psilva@redhat.com">Pedro Igor</a>
*/
public class AggregatePolicyProviderFactory implements PolicyProviderFactory<AggregatePolicyRepresentation> {
private AggregatePolicyProvider provider = new AggregatePolicyProvider();
@Override
public String getName() {
return "Aggregated";
}
@Override
public String getGroup() {
return "Others";
}
@Override
public PolicyProvider create(AuthorizationProvider authorization) {
return provider;
}
@Override
public PolicyProvider create(KeycloakSession session) {
return null;
}
@Override
public void onCreate(Policy policy, AggregatePolicyRepresentation representation, AuthorizationProvider authorization) {
verifyCircularReference(policy, new ArrayList<>());
}
@Override
public void onUpdate(Policy policy, AggregatePolicyRepresentation representation, AuthorizationProvider authorization) {
verifyCircularReference(policy, new ArrayList<>());
}
@Override
public void onImport(Policy policy, PolicyRepresentation representation, AuthorizationProvider authorization) {
verifyCircularReference(policy, new ArrayList<>());
}
@Override
public AggregatePolicyRepresentation toRepresentation(Policy policy, AggregatePolicyRepresentation representation) {
return representation;
}
@Override
public Class<AggregatePolicyRepresentation> getRepresentationType() {
return AggregatePolicyRepresentation.class;
}
private void verifyCircularReference(Policy policy, List<String> ids) {
if (!policy.getType().equals("aggregate")) {
return;
}
if (ids.contains(policy.getId())) {
throw new RuntimeException("Circular reference found [" + policy.getName() + "].");
}
ids.add(policy.getId());
for (Policy associated : policy.getAssociatedPolicies()) {
verifyCircularReference(associated, ids);
}
}
@Override
public void onRemove(Policy policy, AuthorizationProvider authorization) {
}
@Override
public void init(Config.Scope config) {
}
@Override
public void postInit(KeycloakSessionFactory factory) {
}
@Override
public void close() {
}
@Override
public String getId() {
return "aggregate";
}
}