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.extras.extended.ads_impl.certGeneration; 021 022 023import java.nio.ByteBuffer; 024 025import org.apache.directory.shared.asn1.AbstractAsn1Object; 026import org.apache.directory.shared.asn1.EncoderException; 027import org.apache.directory.shared.asn1.ber.tlv.UniversalTag; 028import org.apache.directory.shared.asn1.ber.tlv.Value; 029import org.apache.directory.shared.ldap.extras.extended.CertGenerationRequest; 030import org.apache.directory.shared.util.Strings; 031 032 033/** 034 * 035 * An extended operation for generating a public key Certificate. 036 * <pre> 037 * CertGenerateObject ::= SEQUENCE 038 * { 039 * targetDN IA5String, 040 * issuerDN IA5String, 041 * subjectDN IA5String, 042 * keyAlgorithm IA5String 043 * } 044 * </pre> 045 * 046 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 047 */ 048public class CertGenerationObject extends AbstractAsn1Object 049{ 050 private CertGenerationRequest request; 051 052 053 public CertGenerationObject( CertGenerationRequest request ) 054 { 055 this.request = request; 056 } 057 058 059 /** stores the length of the request*/ 060 private int requestLength = 0; 061 062 063 @Override 064 public int computeLength() 065 { 066 int len = Strings.getBytesUtf8( request.getTargetDN() ).length; 067 requestLength = 1 + Value.getNbBytes( len ) + len; 068 069 len = Strings.getBytesUtf8( request.getIssuerDN() ).length; 070 requestLength += 1 + Value.getNbBytes( len ) + len; 071 072 len = Strings.getBytesUtf8( request.getSubjectDN() ).length; 073 requestLength += 1 + Value.getNbBytes( len ) + len; 074 075 len = Strings.getBytesUtf8( request.getKeyAlgorithm() ).length; 076 requestLength += 1 + Value.getNbBytes( len ) + len; 077 078 return 1 + Value.getNbBytes( requestLength ) + requestLength; 079 } 080 081 082 public ByteBuffer encode() throws EncoderException 083 { 084 ByteBuffer bb = ByteBuffer.allocate( computeLength() ); 085 086 bb.put( UniversalTag.SEQUENCE.getValue() ); 087 bb.put( Value.getBytes( requestLength ) ); 088 089 Value.encode( bb, request.getTargetDN() ); 090 Value.encode( bb, request.getIssuerDN() ); 091 Value.encode( bb, request.getSubjectDN() ); 092 Value.encode( bb, request.getKeyAlgorithm() ); 093 094 return bb; 095 } 096}