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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.policy.authentication.basic;
import javax.security.auth.Subject;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Interceptor;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
import org.apache.tuscany.sca.policy.PolicySet;
import org.apache.tuscany.sca.policy.SecurityUtil;
import org.osoa.sca.ServiceRuntimeException;
/**
* Policy handler to handle PolicySet related to Logging with the QName
* {http://tuscany.apache.org/xmlns/sca/1.0/impl/java}LoggingPolicy
*
* @version $Rev$ $Date$
*/
public class BasicAuthenticationServicePolicyInterceptor implements Interceptor {
private Invoker next;
private Operation operation;
private PolicySet policySet = null;
private String context;
private BasicAuthenticationPolicy policy;
public BasicAuthenticationServicePolicyInterceptor(String context, Operation operation, PolicySet policySet) {
super();
this.operation = operation;
this.policySet = policySet;
this.context = context;
init();
}
private void init() {
}
public Message invoke(Message msg) {
Subject subject = SecurityUtil.getSubject(msg);
BasicAuthenticationPrincipal principal = SecurityUtil.getPrincipal(subject,
BasicAuthenticationPrincipal.class);
boolean authenticated = false;
if (principal != null){
System.out.println("Authenticating user: " +
principal.getName());
// could call out here to some 3rd party system to do whatever you
// need to do do with username and password. For this very simple
// interceptor just check that the credentials match crendentials in
// the policy
if (policySet != null) {
for (Object policyObject : policySet.getPolicies()){
if (policyObject instanceof BasicAuthenticationPolicy){
BasicAuthenticationPolicy policy = (BasicAuthenticationPolicy)policyObject;
if (policy.getUserName().equals(principal.getName())){
if (policy.getPassword().equals(principal.getPassword())){
authenticated = true;
}
}
}
}
}
}
if (authenticated == false){
throw new ServiceRuntimeException("User: " + principal.getName() + " cannot be authenticated");
}
return getNext().invoke(msg);
}
public Invoker getNext() {
return next;
}
public void setNext(Invoker next) {
this.next = next;
}
}
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