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.i18n.I18n; 027import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; 028import org.apache.directory.api.ldap.codec.api.ResponseCarryingException; 029import org.apache.directory.api.ldap.codec.decorators.BindRequestDecorator; 030import org.apache.directory.api.ldap.model.message.BindRequest; 031import org.apache.directory.api.ldap.model.message.BindResponseImpl; 032import org.apache.directory.api.ldap.model.message.ResultCodeEnum; 033import org.slf4j.Logger; 034import org.slf4j.LoggerFactory; 035 036 037/** 038 * The action used to store the BindRequest version MessageID. 039 * <pre> 040 * BindRequest ::= [APPLICATION 0] SEQUENCE { 041 * .... 042 * authentication AuthenticationChoice } 043 * 044 * AuthenticationChoice ::= CHOICE { 045 * ... 046 * sasl [3] SaslCredentials } 047 * ... 048 * 049 * We have to create an Authentication Object to store the credentials. 050 * </pre> 051 * 052 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 053 */ 054public class InitSaslBind extends GrammarAction<LdapMessageContainer<BindRequestDecorator>> 055{ 056 /** The logger */ 057 private static final Logger LOG = LoggerFactory.getLogger( InitSaslBind.class ); 058 059 /** Speedup for logs */ 060 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 061 062 063 /** 064 * Instantiates a new action. 065 */ 066 public InitSaslBind() 067 { 068 super( "Initialize Bind SASL Authentication" ); 069 } 070 071 072 /** 073 * {@inheritDoc} 074 */ 075 public void action( LdapMessageContainer<BindRequestDecorator> container ) throws DecoderException 076 { 077 BindRequest bindRequestMessage = container.getMessage(); 078 TLV tlv = container.getCurrentTLV(); 079 080 // We will check that the sasl is not null 081 if ( tlv.getLength() == 0 ) 082 { 083 String msg = I18n.err( I18n.ERR_04079 ); 084 LOG.error( msg ); 085 086 BindResponseImpl response = new BindResponseImpl( bindRequestMessage.getMessageId() ); 087 088 throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_CREDENTIALS, 089 bindRequestMessage.getDn(), null ); 090 } 091 092 bindRequestMessage.setSimple( false ); 093 094 if ( IS_DEBUG ) 095 { 096 LOG.debug( "The SaslCredential has been created" ); 097 } 098 } 099}