| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.directory.api.ldap.codec.factory; |
| |
| import org.apache.directory.api.asn1.ber.tlv.BerValue; |
| import org.apache.directory.api.asn1.util.Asn1Buffer; |
| import org.apache.directory.api.ldap.codec.api.LdapApiService; |
| import org.apache.directory.api.ldap.codec.api.LdapCodecConstants; |
| import org.apache.directory.api.ldap.model.message.BindRequest; |
| import org.apache.directory.api.ldap.model.message.Message; |
| import org.apache.directory.api.ldap.model.name.Dn; |
| import org.apache.directory.api.util.Strings; |
| |
| /** |
| * The BindRequest factory. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public final class BindRequestFactory implements Messagefactory |
| { |
| /** The static instance */ |
| public static final BindRequestFactory INSTANCE = new BindRequestFactory(); |
| |
| private BindRequestFactory() |
| { |
| // Nothing to do |
| } |
| |
| /** |
| * Encode the BindRequest message to a PDU. |
| * <br> |
| * BindRequest : |
| * <pre> |
| * 0x60 LL |
| * 0x02 LL version 0x80 LL simple |
| * 0x04 LL name / |
| * authentication.encode() |
| * \ 0x83 LL 0x04 LL mechanism [0x04 LL credential] |
| * </pre> |
| * |
| * @param codec The LdapApiService instance |
| * @param buffer The buffer where to put the PDU |
| * @param message the BindRequest to encode |
| */ |
| @Override |
| public void encodeReverse( LdapApiService codec, Asn1Buffer buffer, Message message ) |
| { |
| int start = buffer.getPos(); |
| BindRequest bindMessage = ( BindRequest ) message; |
| |
| // The authentication |
| if ( bindMessage.isSimple() ) |
| { |
| // Simple authentication |
| BerValue.encodeOctetString( buffer, ( byte ) LdapCodecConstants.BIND_REQUEST_SIMPLE_TAG, |
| bindMessage.getCredentials() ); |
| } |
| else |
| { |
| // SASL Bind |
| // The credentials, if any |
| if ( !Strings.isEmpty( bindMessage.getCredentials() ) ) |
| { |
| BerValue.encodeOctetString( buffer, bindMessage.getCredentials() ); |
| } |
| |
| // The mechanism |
| BerValue.encodeOctetString( buffer, bindMessage.getSaslMechanism() ); |
| |
| // The SASL tag |
| BerValue.encodeSequence( buffer, ( byte ) LdapCodecConstants.BIND_REQUEST_SASL_TAG, start ); |
| } |
| |
| // The name |
| Dn dn = bindMessage.getDn(); |
| |
| if ( !Dn.isNullOrEmpty( dn ) ) |
| { |
| // A DN has been provided |
| BerValue.encodeOctetString( buffer, dn.getName() ); |
| } |
| else |
| { |
| // No DN has been provided, let's use the name as a string instead |
| BerValue.encodeOctetString( buffer, bindMessage.getName() ); |
| } |
| |
| // The version (LDAP V3 only) |
| BerValue.encodeInteger( buffer, 3 ); |
| |
| // The BindRequest Tag |
| BerValue.encodeSequence( buffer, LdapCodecConstants.BIND_REQUEST_TAG, start ); |
| } |
| } |