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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.ldap.handlers.sasl;
21  
22  
23  import javax.security.sasl.SaslServer;
24  
25  import org.apache.directory.api.ldap.model.message.BindRequest;
26  import org.apache.directory.server.ldap.LdapSession;
27  
28  
29  /**
30   * An interface for retrieving a {@link SaslServer} for a session.
31   * 
32   * @see javax.security.sasl.SaslServer
33   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
34   */
35  public interface MechanismHandler
36  {
37      /**
38       * Implementors will use the session and message to determine what kind of
39       * {@link SaslServer} to create and what initialization parameters it will require.
40       *
41       * @param session The LdapSession in use
42       * @param bindRequest The BindRequest
43       * @return The {@link SaslServer} to use for the duration of the bound session.
44       * @throws Exception If we can't find the SASL Mechanism
45       */
46      SaslServer handleMechanism( LdapSession session, BindRequest bindRequest ) throws Exception;
47  
48  
49      /**
50       * Initialize the saslProperties with some mechanism's specific data
51       *
52       * @param ldapSession the Ldapsession instance
53       */
54      void init( LdapSession ldapSession );
55  
56  
57      /**
58       * Clean the Sasl properties when the use has been authenticated
59       *
60       * @param ldapSession the Ldapsession instance
61       */
62      void cleanup( LdapSession ldapSession );
63  }