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.api.ldap.codec.actions.bindRequest;
21
22
23 import org.apache.directory.api.asn1.DecoderException;
24 import org.apache.directory.api.asn1.ber.grammar.GrammarAction;
25 import org.apache.directory.api.asn1.ber.tlv.TLV;
26 import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
27 import org.apache.directory.api.ldap.codec.decorators.BindRequestDecorator;
28 import org.apache.directory.api.ldap.model.message.BindRequest;
29 import org.apache.directory.api.util.Strings;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
32
33
34 /**
35 * The action used to store the BindRequest simple authentication
36 * <pre>
37 * BindRequest ::= [APPLICATION 0] SEQUENCE {
38 * ....
39 * authentication AuthenticationChoice }
40 *
41 * AuthenticationChoice ::= CHOICE {
42 * simple [0] OCTET STRING,
43 * ...
44 *
45 * We have to create an Authentication Object to store the credentials.
46 * </pre>
47 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
48 */
49 public class StoreSimpleAuth extends GrammarAction<LdapMessageContainer<BindRequestDecorator>>
50 {
51 /** The logger */
52 private static final Logger LOG = LoggerFactory.getLogger( StoreSimpleAuth.class );
53
54 /** Speedup for logs */
55 private static final boolean IS_DEBUG = LOG.isDebugEnabled();
56
57
58 /**
59 * Instantiates a new action.
60 */
61 public StoreSimpleAuth()
62 {
63 super( "Store BindRequest Simple Authentication" );
64 }
65
66
67 /**
68 * {@inheritDoc}
69 */
70 public void action( LdapMessageContainer<BindRequestDecorator> container ) throws DecoderException
71 {
72 BindRequest bindRequestMessage = container.getMessage();
73 TLV tlv = container.getCurrentTLV();
74
75 // Allocate the Authentication Object
76 bindRequestMessage.setSimple( true );
77
78 // We have to handle the special case of a 0 length simple
79 if ( tlv.getLength() == 0 )
80 {
81 bindRequestMessage.setCredentials( Strings.EMPTY_BYTES );
82 }
83 else
84 {
85 bindRequestMessage.setCredentials( tlv.getValue().getData() );
86 }
87
88 // We can have an END transition
89 container.setGrammarEndAllowed( true );
90
91 if ( IS_DEBUG )
92 {
93 LOG.debug( "The simple authentication is : {}", Strings.dumpBytes( bindRequestMessage
94 .getCredentials() ) );
95 }
96 }
97 }