/*
* Copyright (c) 2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you 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.wso2.carbon.identity.application.authentication.framework.cache;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.base.MultitenantConstants;
import org.wso2.carbon.identity.application.authentication.framework.store.SessionDataStore;
import org.wso2.carbon.identity.application.common.cache.BaseCache;
import org.wso2.carbon.identity.core.util.IdentityTenantUtil;
import org.wso2.carbon.identity.core.util.IdentityUtil;
/**
* This cache keeps the information about the authentication result from the framework.
*/
public class AuthenticationResultCache extends
BaseCache<AuthenticationResultCacheKey, AuthenticationResultCacheEntry> {
private static Log log = LogFactory.getLog(AuthenticationResultCache.class);
private static final String CACHE_NAME = "AuthenticationResultCache";
private static volatile AuthenticationResultCache instance;
private boolean isTemporarySessionDataPersistEnabled = false;
/**
* Private constructor which will not allow to create objects of this class from outside
*/
private AuthenticationResultCache() {
super(CACHE_NAME);
if (IdentityUtil.getProperty("JDBCPersistenceManager.SessionDataPersist.Temporary") != null) {
isTemporarySessionDataPersistEnabled = Boolean.parseBoolean(
IdentityUtil.getProperty("JDBCPersistenceManager.SessionDataPersist.Temporary"));
}
}
/**
* Singleton method
*
* @return AuthenticationResultCache
*/
public static AuthenticationResultCache getInstance() {
if (instance == null) {
synchronized (AuthenticationResultCache.class) {
if (instance == null) {
instance = new AuthenticationResultCache();
}
}
}
return instance;
}
/**
* Add a cache entry.
*
* @param key Key which cache entry is indexed.
* @param entry Actual object where cache entry is placed.
*/
public void addToCache(AuthenticationResultCacheKey key, AuthenticationResultCacheEntry entry) {
super.addToCache(key, entry);
if (isTemporarySessionDataPersistEnabled) {
int tenantId = MultitenantConstants.INVALID_TENANT_ID;
if (entry.getResult() != null && entry.getResult().getSubject() != null) {
String tenantDomain = entry.getResult().getSubject().getTenantDomain();
if (tenantDomain != null) {
tenantId = IdentityTenantUtil.getTenantId(tenantDomain);
}
}
SessionDataStore.getInstance().storeSessionData(key.getResultId(), CACHE_NAME, entry, tenantId);
}
}
/**
* Retrieves a cache entry.
*
* @param key CacheKey
* @return Cached entry.
*/
public AuthenticationResultCacheEntry getValueFromCache(AuthenticationResultCacheKey key) {
AuthenticationResultCacheEntry entry = super.getValueFromCache(key);
if (entry == null && isTemporarySessionDataPersistEnabled) {
entry = (AuthenticationResultCacheEntry) SessionDataStore.getInstance().
getSessionData(key.getResultId(), CACHE_NAME);
}
return entry;
}
/**
* Clears a cache entry.
*
* @param key Key to clear cache.
*/
public void clearCacheEntry(AuthenticationResultCacheKey key) {
super.clearCacheEntry(key);
if (isTemporarySessionDataPersistEnabled) {
SessionDataStore.getInstance().clearSessionData(key.getResultId(), CACHE_NAME);
}
}
}