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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.tuscany.sca.binding.jms.policy.authentication.token.provider;
import javax.jms.JMSException;
import javax.security.auth.Subject;
import org.apache.tuscany.sca.binding.jms.JMSBindingException;
import org.apache.tuscany.sca.binding.jms.context.JMSBindingContext;
import org.apache.tuscany.sca.binding.jms.policy.authentication.token.JMSTokenAuthenticationPolicy;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
import org.apache.tuscany.sca.invocation.PhasedInterceptor;
import org.apache.tuscany.sca.policy.PolicySet;
import org.apache.tuscany.sca.policy.authentication.token.TokenPrincipal;
import org.apache.tuscany.sca.policy.security.SecurityUtil;
/**
* Policy handler to handle token based authentication
* {http://tuscany.apache.org/xmlns/sca/1.1/impl/java}LoggingPolicy
*
* @version $Rev$ $Date$
*/
public class JMSTokenAuthenticationServicePolicyInterceptor implements PhasedInterceptor {
private Invoker next;
private PolicySet policySet = null;
private String context;
private JMSTokenAuthenticationPolicy policy;
private String phase;
public JMSTokenAuthenticationServicePolicyInterceptor(String context, PolicySet policySet, String phase) {
super();
this.policySet = policySet;
this.context = context;
this.phase = phase;
init();
}
private void init() {
if (policySet != null) {
for (Object policyObject : policySet.getPolicies()){
if (policyObject instanceof JMSTokenAuthenticationPolicy){
policy = (JMSTokenAuthenticationPolicy)policyObject;
break;
}
}
}
}
public Message invoke(Message msg) {
try{
// get the jms context
JMSBindingContext context = msg.getBindingContext();
javax.jms.Message jmsMsg = context.getJmsMsg();
String token = jmsMsg.getStringProperty(policy.getTokenName().toString());
Subject subject = SecurityUtil.getSubject(msg);
TokenPrincipal principal = SecurityUtil.getPrincipal(subject, TokenPrincipal.class);
if (principal == null){
principal = new TokenPrincipal(token);
subject.getPrincipals().add(principal);
}
System.out.println("JMS service received token: " + principal.getName());
// call out here to some 3rd party system to do whatever you
// need to authenticate the principal
return getNext().invoke(msg);
} catch (JMSException e) {
throw new JMSBindingException(e);
}
}
public Invoker getNext() {
return next;
}
public void setNext(Invoker next) {
this.next = next;
}
public String getPhase() {
return phase;
}
}
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