/*
* 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.model.Scope;
import org.keycloak.authorization.store.ScopeStore;
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.CachedScope;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
/**
* @author <a href="mailto:psilva@redhat.com">Pedro Igor</a>
*/
public class CachedScopeStore implements ScopeStore {
private static final String SCOPE_ID_CACHE_PREFIX = "scp-id-";
private final Cache<String, List> cache;
private final KeycloakSession session;
private final CacheTransaction transaction;
private ScopeStore delegate;
private StoreFactory storeFactory;
public CachedScopeStore(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 Scope create(String name, ResourceServer resourceServer) {
Scope scope = getDelegate().create(name, getStoreFactory().getResourceServerStore().findById(resourceServer.getId()));
this.transaction.whenRollback(() -> cache.remove(getCacheKeyForScope(scope.getId())));
return createAdapter(new CachedScope(scope));
}
@Override
public void delete(String id) {
getDelegate().delete(id);
this.transaction.whenCommit(() -> cache.remove(getCacheKeyForScope(id)));
}
@Override
public Scope findById(String id) {
String cacheKeyForScope = getCacheKeyForScope(id);
List<CachedScope> cached = this.cache.get(cacheKeyForScope);
if (cached == null) {
Scope scope = getDelegate().findById(id);
if (scope != null) {
return createAdapter(updateScopeCache(scope));
}
return null;
}
return createAdapter(cached.get(0));
}
@Override
public Scope findByName(String name, String resourceServerId) {
for (Entry entry : this.cache.entrySet()) {
String cacheKey = (String) entry.getKey();
if (cacheKey.startsWith(SCOPE_ID_CACHE_PREFIX)) {
List<CachedScope> cache = (List<CachedScope>) entry.getValue();
CachedScope scope = cache.get(0);
if (scope.getResourceServerId().equals(resourceServerId) && scope.getName().equals(name)) {
return findById(scope.getId());
}
}
}
Scope scope = getDelegate().findByName(name, resourceServerId);
if (scope != null) {
return findById(updateScopeCache(scope).getId());
}
return null;
}
@Override
public List<Scope> findByResourceServer(String id) {
return getDelegate().findByResourceServer(id);
}
@Override
public List<Scope> findByResourceServer(Map<String, String[]> attributes, String resourceServerId, int firstResult, int maxResult) {
return getDelegate().findByResourceServer(attributes, resourceServerId, firstResult, maxResult);
}
private String getCacheKeyForScope(String id) {
return SCOPE_ID_CACHE_PREFIX + id;
}
private ScopeStore getDelegate() {
if (this.delegate == null) {
this.delegate = getStoreFactory().getScopeStore();
}
return this.delegate;
}
private StoreFactory getStoreFactory() {
if (this.storeFactory == null) {
this.storeFactory = session.getProvider(StoreFactory.class);
}
return this.storeFactory;
}
private Scope createAdapter(CachedScope cached) {
return new Scope() {
private Scope updated;
@Override
public String getId() {
return cached.getId();
}
@Override
public String getName() {
return cached.getName();
}
@Override
public void setName(String name) {
getDelegateForUpdate().setName(name);
cached.setName(name);
}
@Override
public String getIconUri() {
return cached.getIconUri();
}
@Override
public void setIconUri(String iconUri) {
getDelegateForUpdate().setIconUri(iconUri);
cached.setIconUri(iconUri);
}
@Override
public ResourceServer getResourceServer() {
return getStoreFactory().getResourceServerStore().findById(cached.getResourceServerId());
}
private Scope 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(getCacheKeyForScope(getId())));
}
return this.updated;
}
};
}
private CachedScope updateScopeCache(Scope scope) {
CachedScope cached = new CachedScope(scope);
List cache = new ArrayList();
cache.add(cached);
this.transaction.whenCommit(() -> this.cache.put(getCacheKeyForScope(scope.getId()), cache));
return cached;
}
}