org.apache.activemq.artemis.spi.core.security.jaas.PrincipalConversionLoginModule Maven / Gradle / Ivy
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* 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.CallbackHandler;
import javax.security.auth.login.LoginException;
import java.security.Principal;
import java.util.Map;
import org.jboss.logging.Logger;
/**
* populate an empty (no UserPrincipal) subject with UserPrincipal seeded from existing principal
* Useful when a third party login module generated principal needs to be accepted as-is by the broker
*/
public class PrincipalConversionLoginModule implements AuditLoginModule {
private static final Logger logger = Logger.getLogger(PrincipalConversionLoginModule.class);
public static final String PRINCIPAL_CLASS_LIST = "principalClassList";
private Subject subject;
private String principalClazzList;
private Principal principal;
@Override
public void initialize(Subject subject,
CallbackHandler callbackHandler,
Map sharedState,
Map options) {
this.subject = subject;
this.principalClazzList = (String) options.get(PRINCIPAL_CLASS_LIST);
}
@Override
public boolean login() throws LoginException {
logger.debug("login ok!");
return true;
}
@Override
public boolean commit() throws LoginException {
if (subject == null || !subject.getPrincipals(UserPrincipal.class).isEmpty()) {
return false;
}
if (principalClazzList != null) {
String[] principalClasses = principalClazzList.split(",");
for (String principalClass : principalClasses) {
String trimmedCandidateClassName = principalClass.trim();
for (Principal candidatePrincipal : subject.getPrincipals()) {
logger.debug("Checking principal class name:" + candidatePrincipal.getClass().getName() + ", " + candidatePrincipal);
if (candidatePrincipal.getClass().getName().equals(trimmedCandidateClassName)) {
logger.debug("converting: " + candidatePrincipal);
principal = new UserPrincipal(candidatePrincipal.getName());
subject.getPrincipals().add(principal);
break;
}
}
}
}
logger.debug("commit, result: " + (principal != null));
return principal != null;
}
@Override
public boolean abort() throws LoginException {
registerFailureForAudit(principal != null ? principal.getName() : null);
clear();
logger.debug("abort");
return true;
}
private void clear() {
principal = null;
}
@Override
public boolean logout() throws LoginException {
if (subject != null) {
subject.getPrincipals().remove(principal);
}
clear();
logger.debug("logout");
return true;
}
}