001/* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020package org.apache.directory.api.ldap.codec.actions.bindResponse; 021 022 023import org.apache.directory.api.asn1.DecoderException; 024import org.apache.directory.api.asn1.ber.grammar.GrammarAction; 025import org.apache.directory.api.asn1.ber.tlv.TLV; 026import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; 027import org.apache.directory.api.ldap.codec.decorators.BindResponseDecorator; 028import org.apache.directory.api.ldap.model.message.BindResponse; 029import org.apache.directory.api.util.StringConstants; 030import org.apache.directory.api.util.Strings; 031import org.slf4j.Logger; 032import org.slf4j.LoggerFactory; 033 034 035/** 036 * The action used to store a SASL credentials : 037 * <pre> 038 * BindResponse ::= APPLICATION 1] SEQUENCE { 039 * ... 040 * serverSaslCreds [7] OCTET STRING OPTIONAL } 041 * </pre> 042 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 043 */ 044public class StoreServerSASLCreds extends GrammarAction<LdapMessageContainer<BindResponseDecorator>> 045{ 046 /** The logger */ 047 private static final Logger LOG = LoggerFactory.getLogger( StoreServerSASLCreds.class ); 048 049 /** Speedup for logs */ 050 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 051 052 053 /** 054 * Instantiates a new server sasl creds action. 055 */ 056 public StoreServerSASLCreds() 057 { 058 super( "Store server sasl credentials value" ); 059 } 060 061 062 /** 063 * {@inheritDoc} 064 */ 065 public void action( LdapMessageContainer<BindResponseDecorator> container ) throws DecoderException 066 { 067 // Get the Value and store it in the BindRequest 068 TLV tlv = container.getCurrentTLV(); 069 070 // We have to handle the special case of a 0 length server 071 // sasl credentials 072 byte[] serverSaslCreds = null; 073 074 if ( tlv.getLength() == 0 ) 075 { 076 serverSaslCreds = StringConstants.EMPTY_BYTES; 077 } 078 else 079 { 080 serverSaslCreds = tlv.getValue().getData(); 081 } 082 083 BindResponse response = container.getMessage(); 084 response.setServerSaslCreds( serverSaslCreds ); 085 086 // We can have an END transition 087 container.setGrammarEndAllowed( true ); 088 089 if ( IS_DEBUG ) 090 { 091 LOG.debug( "The SASL credentials value is : {}", Strings.dumpBytes( serverSaslCreds ) ); 092 } 093 } 094}