001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017
018package org.apache.activemq.security;
019
020import java.security.Principal;
021import java.security.cert.X509Certificate;
022import java.util.Set;
023
024import javax.security.auth.Subject;
025
026/**
027 * Extends the SecurityContext to provide a username which is the
028 * Distinguished Name from the certificate.
029 *
030 */
031public class JaasCertificateSecurityContext extends SecurityContext {
032
033    private Subject subject;
034    private X509Certificate[] certs;
035  
036    public JaasCertificateSecurityContext(String userName, Subject subject, X509Certificate[] certs) {
037        super(userName);
038        this.subject = subject;
039        this.certs = certs;
040    }
041
042    public Set<Principal> getPrincipals() {
043        return subject.getPrincipals();
044    }
045  
046    public String getUserName() {
047        if (certs != null && certs.length > 0) {
048            return certs[0].getSubjectDN().getName();
049        }
050        return super.getUserName();
051    }
052
053}