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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.api.ldap.codec.actions.addRequest;
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.i18n.I18n;
27  import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
28  import org.apache.directory.api.ldap.codec.api.ResponseCarryingException;
29  import org.apache.directory.api.ldap.codec.decorators.AddRequestDecorator;
30  import org.apache.directory.api.ldap.model.exception.LdapInvalidDnException;
31  import org.apache.directory.api.ldap.model.message.AddResponseImpl;
32  import org.apache.directory.api.ldap.model.message.ResultCodeEnum;
33  import org.apache.directory.api.ldap.model.name.Dn;
34  import org.apache.directory.api.util.Strings;
35  import org.slf4j.Logger;
36  import org.slf4j.LoggerFactory;
37  
38  
39  /**
40   * The action used to store the AddReqyuest entry name
41   * <pre>
42   * AddRequest ::= [APPLICATION 8] SEQUENCE {
43   *     entry           LDAPDN,
44   *     ...
45   * </pre>
46   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
47   */
48  public class StoreAddRequestEntryName extends GrammarAction<LdapMessageContainer<AddRequestDecorator>>
49  {
50      /** The logger */
51      private static final Logger LOG = LoggerFactory.getLogger( StoreAddRequestEntryName.class );
52  
53  
54      /**
55       * Instantiates a new action.
56       */
57      public StoreAddRequestEntryName()
58      {
59          super( "Store Add request entry Name" );
60      }
61  
62  
63      /**
64       * {@inheritDoc}
65       */
66      public void action( LdapMessageContainer<AddRequestDecorator> container ) throws DecoderException
67      {
68          AddRequestDecorator addRequest = container.getMessage();
69  
70          TLV tlv = container.getCurrentTLV();
71  
72          // Store the entry. It can't be null
73          if ( tlv.getLength() == 0 )
74          {
75              String msg = I18n.err( I18n.ERR_04085 );
76              LOG.error( msg );
77  
78              AddResponseImpl response = new AddResponseImpl( addRequest.getMessageId() );
79  
80              // I guess that trying to add an entry which Dn is empty is a naming violation...
81              // Not 100% sure though ...
82              throw new ResponseCarryingException( msg, response, ResultCodeEnum.NAMING_VIOLATION,
83                  Dn.EMPTY_DN, null );
84          }
85          else
86          {
87              Dn entryDn = null;
88              byte[] dnBytes = tlv.getValue().getData();
89              String dnStr = Strings.utf8ToString( dnBytes );
90  
91              try
92              {
93                  entryDn = new Dn( dnStr );
94              }
95              catch ( LdapInvalidDnException ine )
96              {
97                  String msg = "Invalid Dn given : " + dnStr + " (" + Strings.dumpBytes( dnBytes )
98                      + ") is invalid";
99                  LOG.error( "{} : {}", msg, ine.getMessage() );
100 
101                 AddResponseImpl response = new AddResponseImpl( addRequest.getMessageId() );
102                 throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_DN_SYNTAX,
103                     Dn.EMPTY_DN, ine );
104             }
105 
106             addRequest.setEntryDn( entryDn );
107         }
108 
109         LOG.debug( "Adding an entry with Dn : {}", addRequest.getEntry() );
110     }
111 }