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.ber.grammar.GrammarAction; 024import org.apache.directory.api.asn1.ber.tlv.TLV; 025import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; 026import org.apache.directory.api.ldap.codec.decorators.BindRequestDecorator; 027import org.apache.directory.api.ldap.model.message.BindRequest; 028import org.apache.directory.api.util.Strings; 029import org.slf4j.Logger; 030import org.slf4j.LoggerFactory; 031 032 033/** 034 * The action used to store the BindRequest version MessageID. 035 * <pre> 036 * SaslCredentials ::= SEQUENCE { 037 * mechanism LDAPSTRING, 038 * ... 039 * </pre> 040 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 041 */ 042public class StoreSaslMechanism extends GrammarAction<LdapMessageContainer<BindRequestDecorator>> 043{ 044 /** The logger */ 045 private static final Logger LOG = LoggerFactory.getLogger( StoreSaslMechanism.class ); 046 047 /** Speedup for logs */ 048 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 049 050 051 /** 052 * Instantiates a new action. 053 */ 054 public StoreSaslMechanism() 055 { 056 super( "Store SASL mechanism" ); 057 } 058 059 060 /** 061 * {@inheritDoc} 062 */ 063 public void action( LdapMessageContainer<BindRequestDecorator> container ) 064 { 065 BindRequest bindRequestMessage = container.getMessage(); 066 TLV tlv = container.getCurrentTLV(); 067 068 // We have to handle the special case of a 0 length 069 // mechanism 070 if ( tlv.getLength() == 0 ) 071 { 072 bindRequestMessage.setSaslMechanism( "" ); 073 } 074 else 075 { 076 bindRequestMessage.setSaslMechanism( Strings.utf8ToString( tlv.getValue().getData() ) ); 077 } 078 079 // We can have an END transition 080 container.setGrammarEndAllowed( true ); 081 082 if ( IS_DEBUG ) 083 { 084 LOG.debug( "The mechanism is : {}", bindRequestMessage.getSaslMechanism() ); 085 } 086 } 087}