org.apache.activemq.artemis.spi.core.security.jaas.ExternalCertificateLoginModule Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.apache.activemq.artemis.spi.core.security.jaas;
import javax.security.auth.Subject;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.UnsupportedCallbackException;
import javax.security.auth.login.LoginException;
import java.security.cert.X509Certificate;
import java.io.IOException;
import java.security.Principal;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.jboss.logging.Logger;
/**
* A LoginModule that propagates TLS certificates subject DN as a UserPrincipal.
*/
public class ExternalCertificateLoginModule implements AuditLoginModule {
private static final Logger logger = Logger.getLogger(ExternalCertificateLoginModule.class);
private CallbackHandler callbackHandler;
private Subject subject;
private String userName;
private final Set principals = new HashSet<>();
@Override
public void initialize(Subject subject,
CallbackHandler callbackHandler,
Map sharedState,
Map options) {
this.subject = subject;
this.callbackHandler = callbackHandler;
}
@Override
public boolean login() throws LoginException {
Callback[] callbacks = new Callback[1];
callbacks[0] = new CertificateCallback();
try {
callbackHandler.handle(callbacks);
} catch (IOException ioe) {
throw new LoginException(ioe.getMessage());
} catch (UnsupportedCallbackException uce) {
throw new LoginException("Unable to obtain client certificates: " + uce.getMessage());
}
X509Certificate[] certificates = ((CertificateCallback) callbacks[0]).getCertificates();
if (certificates != null && certificates.length > 0 && certificates[0] != null) {
userName = certificates[0].getSubjectDN().getName();
}
logger.debug("Certificates: " + Arrays.toString(certificates) + ", userName: " + userName);
return userName != null;
}
@Override
public boolean commit() throws LoginException {
if (userName != null) {
principals.add(new UserPrincipal(userName));
subject.getPrincipals().addAll(principals);
}
clear();
logger.debug("commit");
return true;
}
@Override
public boolean abort() throws LoginException {
registerFailureForAudit(userName);
clear();
logger.debug("abort");
return true;
}
@Override
public boolean logout() {
subject.getPrincipals().removeAll(principals);
principals.clear();
logger.debug("logout");
return true;
}
private void clear() {
userName = null;
}
}