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Java > Open Source Codes > org > apache > ldap > server > authn > AnonymousAuthenticator


1 /*
2  * Copyright 2004 The Apache Software Foundation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17 package org.apache.ldap.server.authn;
18
19 import org.apache.ldap.common.exception.LdapNoPermissionException;
20 import org.apache.ldap.server.jndi.ServerContext;
21
22 import javax.naming.NamingException JavaDoc;
23
24 /**
25  * A default implentation of an AuthenticationService for handling anonymous connections.
26  *
27  * @author <a HREF="mailto:dev@directory.apache.org">Apache Directory Project</a>
28  */
29 public class AnonymousAuthenticator extends AbstractAuthenticator
30 {
31     public AnonymousAuthenticator( )
32     {
33         super( "none" );
34     }
35
36
37     /**
38      * This will be called when the authentication is set to "none" on the client.
39      * If server is not configured to allow anonymous connections, it throws an exception.
40      */
41     public LdapPrincipal authenticate( ServerContext ctx ) throws NamingException JavaDoc
42     {
43         if ( getAuthenticatorContext().getAllowAnonymous() )
44         {
45             return LdapPrincipal.ANONYMOUS ;
46         }
47         else
48         {
49             throw new LdapNoPermissionException( "Anonymous bind NOT permitted!" );
50         }
51     }
52 }
53
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