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.Strings; 030import org.slf4j.Logger; 031import org.slf4j.LoggerFactory; 032 033 034/** 035 * The action used to store a SASL credentials : 036 * <pre> 037 * BindResponse ::= APPLICATION 1] SEQUENCE { 038 * ... 039 * serverSaslCreds [7] OCTET STRING OPTIONAL } 040 * </pre> 041 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 042 */ 043public class StoreServerSASLCreds extends GrammarAction<LdapMessageContainer<BindResponseDecorator>> 044{ 045 /** The logger */ 046 private static final Logger LOG = LoggerFactory.getLogger( StoreServerSASLCreds.class ); 047 048 /** Speedup for logs */ 049 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 050 051 052 /** 053 * Instantiates a new server sasl creds action. 054 */ 055 public StoreServerSASLCreds() 056 { 057 super( "Store server sasl credentials value" ); 058 } 059 060 061 /** 062 * {@inheritDoc} 063 */ 064 public void action( LdapMessageContainer<BindResponseDecorator> container ) throws DecoderException 065 { 066 // Get the Value and store it in the BindRequest 067 TLV tlv = container.getCurrentTLV(); 068 069 // We have to handle the special case of a 0 length server 070 // sasl credentials 071 byte[] serverSaslCreds; 072 073 if ( tlv.getLength() == 0 ) 074 { 075 serverSaslCreds = Strings.EMPTY_BYTES; 076 } 077 else 078 { 079 serverSaslCreds = tlv.getValue().getData(); 080 } 081 082 BindResponse response = container.getMessage(); 083 response.setServerSaslCreds( serverSaslCreds ); 084 085 // We can have an END transition 086 container.setGrammarEndAllowed( true ); 087 088 if ( IS_DEBUG ) 089 { 090 LOG.debug( "The SASL credentials value is : {}", Strings.dumpBytes( serverSaslCreds ) ); 091 } 092 } 093}