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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one
3    *  or more contributor license agreements.  See the NOTICE file
4    *  distributed with this work for additional information
5    *  regarding copyright ownership.  The ASF licenses this file
6    *  to you under the Apache License, Version 2.0 (the
7    *  "License"); you may not use this file except in compliance
8    *  with the License.  You may obtain a copy of the License at
9    *  
10   *    http://www.apache.org/licenses/LICENSE-2.0
11   *  
12   *  Unless required by applicable law or agreed to in writing,
13   *  software distributed under the License is distributed on an
14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   *  KIND, either express or implied.  See the License for the
16   *  specific language governing permissions and limitations
17   *  under the License. 
18   *  
19   */
20  package org.apache.directory.server.core.authn;
21  
22  
23  import javax.naming.NamingException;
24  
25  import org.apache.directory.server.core.interceptor.context.BindOperationContext;
26  import org.apache.directory.shared.ldap.constants.AuthenticationLevel;
27  
28  
29  /**
30   * An {@link Authenticator} that handles SASL connections (X.501 authentication
31   * level <tt>'strong'</tt>).  The principal has been authenticated during SASL
32   * negotiation; therefore, no additional authentication is necessary in this
33   * {@link Authenticator}.
34   * 
35   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
36   * @version $Rev$, $Date$
37   */
38  public class StrongAuthenticator extends AbstractAuthenticator
39  {
40      /**
41       * Creates a new instance of SaslAuthenticator.
42       */
43      public StrongAuthenticator()
44      {
45          super( AuthenticationLevel.STRONG.toString() );
46      }
47  
48  
49      /**
50       * User has already been authenticated during SASL negotiation.  Set the authentication level
51       * to strong and return an {@link LdapPrincipal}.
52       */
53      public LdapPrincipal authenticate( BindOperationContext opContext ) throws NamingException
54      {
55          // Possibly check if user account is disabled, other account checks.
56          return new LdapPrincipal( opContext.getDn(), AuthenticationLevel.STRONG );
57      }
58  }