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.extras.extended.ads_impl.pwdModify; 021 022 023import java.nio.ByteBuffer; 024 025import org.apache.directory.api.asn1.DecoderException; 026import org.apache.directory.api.asn1.EncoderException; 027import org.apache.directory.api.asn1.ber.tlv.TLV; 028import org.apache.directory.api.asn1.ber.tlv.UniversalTag; 029import org.apache.directory.api.i18n.I18n; 030import org.apache.directory.api.ldap.codec.api.ExtendedRequestDecorator; 031import org.apache.directory.api.ldap.codec.api.LdapApiService; 032import org.apache.directory.api.ldap.extras.extended.pwdModify.PasswordModifyRequest; 033import org.apache.directory.api.ldap.extras.extended.pwdModify.PasswordModifyResponse; 034import org.slf4j.Logger; 035import org.slf4j.LoggerFactory; 036 037 038/** 039 * A Decorator for PasswordModifyRequest extended request. 040 * 041 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 042 */ 043public class PasswordModifyRequestDecorator extends ExtendedRequestDecorator<PasswordModifyRequest> 044 implements PasswordModifyRequest 045{ 046 private static final Logger LOG = LoggerFactory.getLogger( PasswordModifyRequestDecorator.class ); 047 048 /** The internal PasswordModifyRequest */ 049 private PasswordModifyRequest passwordModifyRequest; 050 051 /** stores the length of the request*/ 052 private int requestLength = 0; 053 054 055 /** 056 * Create a new decorator instance 057 * @param codec The codec service 058 * @param decoratedMessage The decorated PwdModifyRequest 059 */ 060 public PasswordModifyRequestDecorator( LdapApiService codec, PasswordModifyRequest decoratedMessage ) 061 { 062 super( codec, decoratedMessage ); 063 passwordModifyRequest = decoratedMessage; 064 } 065 066 067 /** 068 * {@inheritDoc} 069 */ 070 @Override 071 public void setRequestValue( byte[] requestValue ) 072 { 073 PasswordModifyRequestDecoder decoder = new PasswordModifyRequestDecoder(); 074 075 try 076 { 077 passwordModifyRequest = decoder.decode( requestValue ); 078 079 if ( requestValue != null ) 080 { 081 this.requestValue = new byte[requestValue.length]; 082 System.arraycopy( requestValue, 0, this.requestValue, 0, requestValue.length ); 083 } 084 else 085 { 086 this.requestValue = null; 087 } 088 } 089 catch ( DecoderException e ) 090 { 091 LOG.error( I18n.err( I18n.ERR_04165 ), e ); 092 throw new RuntimeException( e ); 093 } 094 } 095 096 097 /** 098 * {@inheritDoc} 099 */ 100 @Override 101 public byte[] getRequestValue() 102 { 103 if ( requestValue == null ) 104 { 105 try 106 { 107 requestValue = encodeInternal().array(); 108 } 109 catch ( EncoderException e ) 110 { 111 LOG.error( I18n.err( I18n.ERR_04167 ), e ); 112 throw new RuntimeException( e ); 113 } 114 } 115 116 return requestValue; 117 } 118 119 120 /** 121 * {@inheritDoc} 122 */ 123 @Override 124 public PasswordModifyResponse getResultResponse() 125 { 126 return ( PasswordModifyResponse ) passwordModifyRequest.getResultResponse(); 127 } 128 129 130 /** 131 * {@inheritDoc} 132 */ 133 public byte[] getUserIdentity() 134 { 135 return passwordModifyRequest.getUserIdentity(); 136 } 137 138 139 /** 140 * @param userIdentity the userIdentity to set 141 */ 142 public void setUserIdentity( byte[] userIdentity ) 143 { 144 passwordModifyRequest.setUserIdentity( userIdentity ); 145 } 146 147 148 /** 149 * {@inheritDoc} 150 */ 151 public byte[] getOldPassword() 152 { 153 return passwordModifyRequest.getOldPassword(); 154 } 155 156 157 /** 158 * @param oldPassword the oldPassword to set 159 */ 160 public void setOldPassword( byte[] oldPassword ) 161 { 162 passwordModifyRequest.setOldPassword( oldPassword ); 163 } 164 165 166 /** 167 * {@inheritDoc} 168 */ 169 public byte[] getNewPassword() 170 { 171 return passwordModifyRequest.getNewPassword(); 172 } 173 174 175 /** 176 * @param newPassword the newPassword to set 177 */ 178 public void setNewPassword( byte[] newPassword ) 179 { 180 passwordModifyRequest.setNewPassword( newPassword ); 181 } 182 183 184 /** 185 * Compute the PasswordModifyRequest extended operation length 186 * <pre> 187 * 0x30 L1 188 * | 189 * [+-- 0x80 L2 userIdentity] 190 * [+-- 0x81 L3 oldPassword] 191 * [+-- 0x82 L4 newPassword] 192 * </pre> 193 */ 194 /* No qualifier */ int computeLengthInternal() 195 { 196 requestLength = 0; 197 198 if ( passwordModifyRequest.getUserIdentity() != null ) 199 { 200 int len = passwordModifyRequest.getUserIdentity().length; 201 requestLength = 1 + TLV.getNbBytes( len ) + len; 202 } 203 204 if ( passwordModifyRequest.getOldPassword() != null ) 205 { 206 int len = passwordModifyRequest.getOldPassword().length; 207 requestLength += 1 + TLV.getNbBytes( len ) + len; 208 } 209 210 if ( passwordModifyRequest.getNewPassword() != null ) 211 { 212 int len = passwordModifyRequest.getNewPassword().length; 213 requestLength += 1 + TLV.getNbBytes( len ) + len; 214 } 215 216 return 1 + TLV.getNbBytes( requestLength ) + requestLength; 217 } 218 219 220 /** 221 * Encodes the PasswordModifyRequest extended operation. 222 * 223 * @return A ByteBuffer that contains the encoded PDU 224 * @throws org.apache.directory.api.asn1.EncoderException If anything goes wrong. 225 */ 226 /* No qualifier */ ByteBuffer encodeInternal() throws EncoderException 227 { 228 ByteBuffer bb = ByteBuffer.allocate( computeLengthInternal() ); 229 230 bb.put( UniversalTag.SEQUENCE.getValue() ); 231 bb.put( TLV.getBytes( requestLength ) ); 232 233 if ( passwordModifyRequest.getUserIdentity() != null ) 234 { 235 byte[] userIdentity = passwordModifyRequest.getUserIdentity(); 236 bb.put( ( byte ) PasswordModifyRequestConstants.USER_IDENTITY_TAG ); 237 bb.put( TLV.getBytes( userIdentity.length ) ); 238 bb.put( userIdentity ); 239 } 240 241 if ( passwordModifyRequest.getOldPassword() != null ) 242 { 243 byte[] oldPassword = passwordModifyRequest.getOldPassword(); 244 bb.put( ( byte ) PasswordModifyRequestConstants.OLD_PASSWORD_TAG ); 245 bb.put( TLV.getBytes( oldPassword.length ) ); 246 bb.put( oldPassword ); 247 } 248 249 if ( passwordModifyRequest.getNewPassword() != null ) 250 { 251 byte[] newPassword = passwordModifyRequest.getNewPassword(); 252 bb.put( ( byte ) PasswordModifyRequestConstants.NEW_PASSWORD_TAG ); 253 bb.put( TLV.getBytes( newPassword.length ) ); 254 bb.put( newPassword ); 255 } 256 257 return bb; 258 } 259}