/**
* This file is part of Graylog2.
*
* Graylog2 is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog2 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog2. If not, see <http://www.gnu.org/licenses/>.
*/
package org.graylog2.bindings.providers;
import com.google.common.collect.Lists;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.Authenticator;
import org.apache.shiro.authc.credential.HashedCredentialsMatcher;
import org.apache.shiro.authc.pam.FirstSuccessfulStrategy;
import org.apache.shiro.authc.pam.ModularRealmAuthenticator;
import org.apache.shiro.authz.ModularRealmAuthorizer;
import org.apache.shiro.cache.MemoryConstrainedCacheManager;
import org.apache.shiro.mgt.DefaultSecurityManager;
import org.apache.shiro.mgt.DefaultSessionStorageEvaluator;
import org.apache.shiro.mgt.DefaultSubjectDAO;
import org.apache.shiro.realm.Realm;
import org.apache.shiro.session.mgt.DefaultSessionManager;
import org.apache.shiro.subject.Subject;
import org.graylog2.Configuration;
import org.graylog2.security.MongoDbSessionDAO;
import org.graylog2.security.realm.*;
import javax.inject.Inject;
import javax.inject.Provider;
/**
* @author Dennis Oelkers <dennis@torch.sh>
*/
public class DefaultSecurityManagerProvider implements Provider<DefaultSecurityManager> {
private static DefaultSecurityManager sm = null;
@Inject
public DefaultSecurityManagerProvider(MongoDbSessionDAO mongoDbSessionDAO,
PasswordAuthenticator passwordAuthenticator,
MongoDbAuthorizationRealm mongoDbAuthorizationRealm,
LdapUserAuthenticator ldapUserAuthenticator,
SessionAuthenticator sessionAuthenticator,
AccessTokenAuthenticator accessTokenAuthenticator,
Configuration configuration) {
final GraylogSimpleAccountRealm inMemoryRealm = new GraylogSimpleAccountRealm();
inMemoryRealm.setCachingEnabled(false);
inMemoryRealm.addRootAccount(
configuration.getRootUsername(),
configuration.getRootPasswordSha2()
);
inMemoryRealm.setCredentialsMatcher(new HashedCredentialsMatcher("SHA-256"));
passwordAuthenticator.setCachingEnabled(false);
passwordAuthenticator.setCredentialsMatcher(new HashedCredentialsMatcher("SHA-1"));
mongoDbAuthorizationRealm.setCachingEnabled(false);
ldapUserAuthenticator.setCachingEnabled(false);
sessionAuthenticator.setCachingEnabled(false);
accessTokenAuthenticator.setCachingEnabled(false);
sm = new DefaultSecurityManager(Lists.<Realm>newArrayList(
sessionAuthenticator,
accessTokenAuthenticator,
ldapUserAuthenticator,
passwordAuthenticator,
inMemoryRealm));
final Authenticator authenticator = sm.getAuthenticator();
if (authenticator instanceof ModularRealmAuthenticator) {
((ModularRealmAuthenticator) authenticator).setAuthenticationStrategy(new FirstSuccessfulStrategy());
}
sm.setAuthorizer(new ModularRealmAuthorizer(Lists.<Realm>newArrayList(mongoDbAuthorizationRealm, inMemoryRealm)));
final DefaultSubjectDAO subjectDAO = new DefaultSubjectDAO();
final DefaultSessionStorageEvaluator sessionStorageEvaluator = new DefaultSessionStorageEvaluator() {
@Override
public boolean isSessionStorageEnabled(Subject subject) {
// save to session if we already have a session. do not create on just for saving the subject
return (subject.getSession(false) != null);
}
};
sessionStorageEvaluator.setSessionStorageEnabled(false);
subjectDAO.setSessionStorageEvaluator(sessionStorageEvaluator);
sm.setSubjectDAO(subjectDAO);
final DefaultSessionManager defaultSessionManager = (DefaultSessionManager) sm.getSessionManager();
defaultSessionManager.setSessionDAO(mongoDbSessionDAO);
defaultSessionManager.setDeleteInvalidSessions(true);
defaultSessionManager.setCacheManager(new MemoryConstrainedCacheManager());
// DO NOT USE global session timeout!!! It's fucky.
//defaultSessionManager.setGlobalSessionTimeout(TimeUnit.SECONDS.toMillis(5));
SecurityUtils.setSecurityManager(sm);
}
@Override
public DefaultSecurityManager get() {
return sm;
}
}