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 * https://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.request.bind; 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.model.message.BindRequest; 030import org.apache.directory.api.ldap.model.message.BindResponseImpl; 031import org.apache.directory.api.ldap.model.message.ResultCodeEnum; 032import org.slf4j.Logger; 033import org.slf4j.LoggerFactory; 034 035 036/** 037 * The action used to store the BindRequest version MessageID. 038 * <pre> 039 * BindRequest ::= [APPLICATION 0] SEQUENCE { 040 * .... 041 * authentication AuthenticationChoice } 042 * 043 * AuthenticationChoice ::= CHOICE { 044 * ... 045 * sasl [3] SaslCredentials } 046 * ... 047 * 048 * We have to create an Authentication Object to store the credentials. 049 * </pre> 050 * 051 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 052 */ 053public class InitSaslBind extends GrammarAction<LdapMessageContainer<BindRequest>> 054{ 055 /** The logger */ 056 private static final Logger LOG = LoggerFactory.getLogger( InitSaslBind.class ); 057 058 /** 059 * Instantiates a new action. 060 */ 061 public InitSaslBind() 062 { 063 super( "Initialize Bind SASL Authentication" ); 064 } 065 066 067 /** 068 * {@inheritDoc} 069 */ 070 @Override 071 public void action( LdapMessageContainer<BindRequest> container ) throws DecoderException 072 { 073 BindRequest bindRequestMessage = container.getMessage(); 074 TLV tlv = container.getCurrentTLV(); 075 076 // We will check that the sasl is not null 077 if ( tlv.getLength() == 0 ) 078 { 079 String msg = I18n.err( I18n.ERR_05116_SASL_CREDS_CANT_BE_NULL ); 080 LOG.error( msg ); 081 082 BindResponseImpl response = new BindResponseImpl( bindRequestMessage.getMessageId() ); 083 084 throw new ResponseCarryingException( msg, response, ResultCodeEnum.INVALID_CREDENTIALS, 085 bindRequestMessage.getDn(), null ); 086 } 087 088 bindRequestMessage.setSimple( false ); 089 090 if ( LOG.isDebugEnabled() ) 091 { 092 LOG.debug( I18n.msg( I18n.MSG_05115_SASL_CREDS_CREATED ) ); 093 } 094 } 095}