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.bindRequest; 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.BindRequestDecorator; 028import org.apache.directory.api.ldap.model.message.BindRequest; 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 the BindRequest credentials. 037 * <pre> 038 * SaslCredentials ::= SEQUENCE { 039 * ... 040 * credentials OCTET STRING OPTIONAL } 041 * </pre> 042 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 043 */ 044public class StoreSaslCredentials extends GrammarAction<LdapMessageContainer<BindRequestDecorator>> 045{ 046 /** The logger */ 047 private static final Logger LOG = LoggerFactory.getLogger( StoreSaslCredentials.class ); 048 049 /** Speedup for logs */ 050 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 051 052 053 /** 054 * Instantiates a new action. 055 */ 056 public StoreSaslCredentials() 057 { 058 super( "Store SASL credentials" ); 059 } 060 061 062 /** 063 * {@inheritDoc} 064 */ 065 public void action( LdapMessageContainer<BindRequestDecorator> container ) throws DecoderException 066 { 067 BindRequest bindRequestMessage = container.getMessage(); 068 069 // Get the Value and store it in the BindRequest 070 TLV tlv = container.getCurrentTLV(); 071 072 // We have to handle the special case of a 0 length 073 // credentials 074 if ( tlv.getLength() == 0 ) 075 { 076 bindRequestMessage.setCredentials( StringConstants.EMPTY_BYTES ); 077 } 078 else 079 { 080 bindRequestMessage.setCredentials( tlv.getValue().getData() ); 081 } 082 083 // We can have an END transition 084 container.setGrammarEndAllowed( true ); 085 086 if ( IS_DEBUG ) 087 { 088 LOG.debug( "The credentials are : {}", Strings.dumpBytes( bindRequestMessage 089 .getCredentials() ) ); 090 } 091 } 092}