org.killbill.billing.util.glue.KillBillSubjectDAO Maven / Gradle / Ivy
/*
* Copyright 2017 Groupon, Inc
* Copyright 2017 The Billing Project, LLC
*
* The Billing Project 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.killbill.billing.util.glue;
import org.apache.shiro.mgt.DefaultSubjectDAO;
import org.apache.shiro.mgt.SessionsSecurityManager;
import org.apache.shiro.session.Session;
import org.apache.shiro.session.mgt.DefaultSessionManager;
import org.apache.shiro.subject.Subject;
import org.apache.shiro.subject.support.DelegatingSubject;
import org.apache.shiro.util.CollectionUtils;
import org.killbill.billing.util.security.shiro.dao.JDBCSessionDao;
public class KillBillSubjectDAO extends DefaultSubjectDAO {
@Override
protected void saveToSession(final Subject subject) {
boolean updatesDisabled = false;
Session session = subject.getSession(false);
if (session == null && !CollectionUtils.isEmpty(subject.getPrincipals())) {
// Force the creation of the session here to get the id
session = subject.getSession();
// Optimize the session creation path: the default saveToSession implementation
// will call setAttribute() several times in a row, causing unnecessary DAO UPDATE queries
updatesDisabled = disableUpdatesForSession(subject, session);
}
super.saveToSession(subject);
if (updatesDisabled) {
enableUpdatesForSession(subject, session);
}
}
private boolean disableUpdatesForSession(final Subject subject, final Session session) {
final JDBCSessionDao sessionDAO = getJDBCSessionDao(subject);
if (sessionDAO != null) {
sessionDAO.disableUpdatesForSession(session);
return true;
}
return false;
}
private void enableUpdatesForSession(final Subject subject, final Session session) {
final JDBCSessionDao sessionDAO = getJDBCSessionDao(subject);
if (sessionDAO != null) {
sessionDAO.enableUpdatesForSession(session);
}
}
private JDBCSessionDao getJDBCSessionDao(final Subject subject) {
if (subject instanceof DelegatingSubject) {
final DelegatingSubject delegatingSubject = (DelegatingSubject) subject;
if (delegatingSubject.getSecurityManager() instanceof SessionsSecurityManager) {
final SessionsSecurityManager securityManager = (SessionsSecurityManager) delegatingSubject.getSecurityManager();
if (securityManager.getSessionManager() instanceof DefaultSessionManager) {
final DefaultSessionManager sessionManager = (DefaultSessionManager) securityManager.getSessionManager();
if (sessionManager.getSessionDAO() instanceof JDBCSessionDao) {
return (JDBCSessionDao) sessionManager.getSessionDAO();
}
}
}
}
return null;
}
}