/*
* JBoss, Home of Professional Open Source.
* Copyright 2016 Red Hat, Inc., and individual 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.models.authorization.infinispan;
import org.infinispan.Cache;
import org.keycloak.authorization.model.ResourceServer;
import org.keycloak.authorization.store.ResourceServerStore;
import org.keycloak.authorization.store.StoreFactory;
import org.keycloak.connections.infinispan.InfinispanConnectionProvider;
import org.keycloak.models.KeycloakSession;
import org.keycloak.models.authorization.infinispan.InfinispanStoreFactoryProvider.CacheTransaction;
import org.keycloak.models.authorization.infinispan.entities.CachedResourceServer;
import org.keycloak.representations.idm.authorization.PolicyEnforcementMode;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
/**
* @author <a href="mailto:psilva@redhat.com">Pedro Igor</a>
*/
public class CachedResourceServerStore implements ResourceServerStore {
private static final String RS_ID_CACHE_PREFIX = "rs-id-";
private final KeycloakSession session;
private final CacheTransaction transaction;
private StoreFactory storeFactory;
private ResourceServerStore delegate;
private final Cache<String, List> cache;
public CachedResourceServerStore(KeycloakSession session, CacheTransaction transaction) {
this.session = session;
this.transaction = transaction;
InfinispanConnectionProvider provider = session.getProvider(InfinispanConnectionProvider.class);
this.cache = provider.getCache(InfinispanConnectionProvider.AUTHORIZATION_CACHE_NAME);
}
@Override
public ResourceServer create(String clientId) {
ResourceServer resourceServer = getDelegate().create(clientId);
this.transaction.whenRollback(() -> cache.remove(getCacheKeyForResourceServer(resourceServer.getId())));
return createAdapter(new CachedResourceServer(resourceServer));
}
@Override
public void delete(String id) {
getDelegate().delete(id);
this.transaction.whenCommit(() -> this.cache.remove(getCacheKeyForResourceServer(id)));
}
@Override
public ResourceServer findById(String id) {
String cacheKeyForResourceServer = getCacheKeyForResourceServer(id);
List<ResourceServer> cached = this.cache.get(cacheKeyForResourceServer);
if (cached == null) {
ResourceServer resourceServer = getDelegate().findById(id);
if (resourceServer != null) {
return createAdapter(updateResourceServerCache(resourceServer));
}
return null;
}
return createAdapter(cached.get(0));
}
@Override
public ResourceServer findByClient(String id) {
for (Map.Entry entry : this.cache.entrySet()) {
String cacheKey = (String) entry.getKey();
if (cacheKey.startsWith(RS_ID_CACHE_PREFIX)) {
List<ResourceServer> cache = (List<ResourceServer>) entry.getValue();
ResourceServer resourceServer = cache.get(0);
if (resourceServer.getClientId().equals(id)) {
return findById(resourceServer.getId());
}
}
}
ResourceServer resourceServer = getDelegate().findByClient(id);
if (resourceServer != null) {
return findById(updateResourceServerCache(resourceServer).getId());
}
return null;
}
private String getCacheKeyForResourceServer(String id) {
return RS_ID_CACHE_PREFIX + id;
}
private ResourceServerStore getDelegate() {
if (this.delegate == null) {
this.delegate = getStoreFactory().getResourceServerStore();
}
return this.delegate;
}
private StoreFactory getStoreFactory() {
if (this.storeFactory == null) {
this.storeFactory = session.getProvider(StoreFactory.class);
}
return this.storeFactory;
}
private ResourceServer createAdapter(ResourceServer cached) {
return new ResourceServer() {
private ResourceServer updated;
@Override
public String getId() {
return cached.getId();
}
@Override
public String getClientId() {
return cached.getClientId();
}
@Override
public boolean isAllowRemoteResourceManagement() {
return cached.isAllowRemoteResourceManagement();
}
@Override
public void setAllowRemoteResourceManagement(boolean allowRemoteResourceManagement) {
getDelegateForUpdate().setAllowRemoteResourceManagement(allowRemoteResourceManagement);
cached.setAllowRemoteResourceManagement(allowRemoteResourceManagement);
}
@Override
public PolicyEnforcementMode getPolicyEnforcementMode() {
return cached.getPolicyEnforcementMode();
}
@Override
public void setPolicyEnforcementMode(PolicyEnforcementMode enforcementMode) {
getDelegateForUpdate().setPolicyEnforcementMode(enforcementMode);
cached.setPolicyEnforcementMode(enforcementMode);
}
private ResourceServer getDelegateForUpdate() {
if (this.updated == null) {
this.updated = getDelegate().findById(getId());
if (this.updated == null) throw new IllegalStateException("Not found in database");
transaction.whenCommit(() -> cache.remove(getCacheKeyForResourceServer(getId())));
}
return this.updated;
}
};
}
private CachedResourceServer updateResourceServerCache(ResourceServer resourceServer) {
CachedResourceServer cached = new CachedResourceServer(resourceServer);
List<ResourceServer> cache = new ArrayList<>();
cache.add(cached);
this.cache.put(getCacheKeyForResourceServer(resourceServer.getId()), cache);
return cached;
}
}