content: /**
   * 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.security;
  
  import java.security.Principal;
  import java.security.cert.X509Certificate;
  import java.util.Set;
  
  import javax.security.auth.Subject;
  
  /**
   * Extends the SecurityContext to provide a username which is the
   * Distinguished Name from the certificate.
   *
   */
  public class JaasCertificateSecurityContext extends SecurityContext {
  
      private Subject subject;
      private X509Certificate[] certs;
    
      public JaasCertificateSecurityContext(String userName, Subject subject, X509Certificate[] certs) {
          super(userName);
          this.subject = subject;
          this.certs = certs;
      }
  
      public Set<Principal> getPrincipals() {
          return subject.getPrincipals();
      }
    
      public String getUserName() {
          if (certs != null && certs.length > 0) {
              return certs[0].getSubjectDN().getName();
          }
          return super.getUserName();
      }
  
  }
  