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.shared.ldap.codec.actions.extendedRequest; 021 022 023import org.apache.directory.shared.asn1.DecoderException; 024import org.apache.directory.shared.asn1.ber.grammar.GrammarAction; 025import org.apache.directory.shared.asn1.ber.tlv.TLV; 026import org.apache.directory.shared.asn1.util.Oid; 027import org.apache.directory.shared.i18n.I18n; 028import org.apache.directory.shared.ldap.codec.api.ExtendedRequestDecorator; 029import org.apache.directory.shared.ldap.codec.api.LdapApiServiceFactory; 030import org.apache.directory.shared.ldap.codec.api.LdapMessageContainer; 031import org.apache.directory.shared.ldap.model.message.ExtendedRequest; 032import org.apache.directory.shared.util.Strings; 033import org.slf4j.Logger; 034import org.slf4j.LoggerFactory; 035 036 037/** 038 * The action used to store the Extended Request name 039 * <pre> 040 * ExtendedRequest ::= [APPLICATION 23] SEQUENCE { 041 * requestName [0] LDAPOID, 042 * ... 043 * </pre> 044 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 045 */ 046public class StoreExtendedRequestName extends GrammarAction<LdapMessageContainer<ExtendedRequestDecorator<?,?>>> 047{ 048 /** The logger */ 049 private static final Logger LOG = LoggerFactory.getLogger( StoreExtendedRequestName.class ); 050 051 /** Speedup for logs */ 052 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 053 054 /** 055 * Instantiates a new action. 056 */ 057 public StoreExtendedRequestName() 058 { 059 super( "Store ExtendedRequest Name" ); 060 } 061 062 063 /** 064 * {@inheritDoc} 065 */ 066 public void action( LdapMessageContainer<ExtendedRequestDecorator<?,?>> container ) throws DecoderException 067 { 068 ExtendedRequest<?> req; 069 070 // Get the Value and store it in the ExtendedRequest 071 TLV tlv = container.getCurrentTLV(); 072 073 // We have to handle the special case of a 0 length matched 074 // OID 075 if ( tlv.getLength() == 0 ) 076 { 077 String msg = I18n.err( I18n.ERR_04095 ); 078 LOG.error( msg ); 079 // This will generate a PROTOCOL_ERROR 080 throw new DecoderException( msg ); 081 } 082 else 083 { 084 byte[] requestNameBytes = tlv.getValue().getData(); 085 086 try 087 { 088 String requestName = Strings.utf8ToString(requestNameBytes); 089 090 if ( !Oid.isOid( requestName ) ) 091 { 092 093 String msg = "The Request name is not a valid OID : " 094 + Strings.utf8ToString(requestNameBytes) + " (" 095 + Strings.dumpBytes(requestNameBytes) + ") is invalid"; 096 LOG.error( msg ); 097 098 // throw an exception, we will get a PROTOCOL_ERROR 099 throw new DecoderException( msg ); 100 } 101 102 req = LdapApiServiceFactory.getSingleton().newExtendedRequest( requestName, null ); 103 req.setMessageId( container.getMessageId() ); 104 container.setMessage( LdapApiServiceFactory.getSingleton().decorate( req ) ); 105 } 106 catch ( DecoderException de ) 107 { 108 String msg = "The Request name is not a valid OID : " 109 + Strings.utf8ToString(requestNameBytes) + " (" 110 + Strings.dumpBytes(requestNameBytes) + ") is invalid"; 111 LOG.error( "{} : {}", msg, de.getMessage() ); 112 113 // Rethrow the exception, we will get a PROTOCOL_ERROR 114 throw de; 115 } 116 } 117 118 // We can have an END transition 119 container.setGrammarEndAllowed( true ); 120 121 if ( IS_DEBUG ) 122 { 123 LOG.debug( "OID read : {}", req.getRequestName() ); 124 } 125 } 126}