| /** |
| * 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 |
| * |
| * http://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.kerby.kerberos.kerb.type.ad; |
| |
| import org.apache.kerby.asn1.Asn1FieldInfo; |
| import org.apache.kerby.asn1.EnumType; |
| import org.apache.kerby.asn1.ExplicitField; |
| import org.apache.kerby.asn1.type.Asn1Integer; |
| import org.apache.kerby.asn1.type.Asn1OctetString; |
| import org.apache.kerby.asn1.type.Asn1Type; |
| import org.apache.kerby.kerberos.kerb.type.KrbSequenceType; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.io.IOException; |
| |
| /** |
| * The AuthorizationData component as defined in RFC 4120 : |
| * |
| * <pre> |
| * AuthorizationData ::= SEQUENCE { |
| * ad-type [0] Int32, |
| * ad-data [1] OCTET STRING |
| * } |
| * </pre> |
| * |
| * We just implement what is in the SEQUENCE OF. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class AuthorizationDataEntry extends KrbSequenceType { |
| private static final Logger LOG = LoggerFactory |
| .getLogger(AuthorizationDataEntry.class); |
| |
| /** |
| * The possible fields |
| */ |
| protected enum AuthorizationDataEntryField implements EnumType { |
| AD_TYPE, |
| AD_DATA; |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public int getValue() { |
| return ordinal(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public String getName() { |
| return name(); |
| } |
| } |
| |
| /** The AuthorizationDataEntry's fields */ |
| private static Asn1FieldInfo[] fieldInfos = new Asn1FieldInfo[] { |
| new ExplicitField(AuthorizationDataEntryField.AD_TYPE, Asn1Integer.class), |
| new ExplicitField(AuthorizationDataEntryField.AD_DATA, Asn1OctetString.class) |
| }; |
| |
| /** |
| * Creates an AuthorizationDataEntry instance |
| */ |
| public AuthorizationDataEntry() { |
| super(fieldInfos); |
| } |
| |
| /** |
| * Creates an AuthorizationDataEntry instance |
| * @param type The authorization type |
| */ |
| public AuthorizationDataEntry(AuthorizationType type) { |
| super(fieldInfos); |
| setAuthzType(type); |
| } |
| |
| /** |
| * Creates an AuthorizationDataEntry instance |
| * @param type The authorization type |
| * @param authzData The authorization data |
| */ |
| public AuthorizationDataEntry(AuthorizationType type, byte[] authzData) { |
| super(fieldInfos); |
| setAuthzType(type); |
| setAuthzData(authzData); |
| } |
| |
| /** |
| * @return The AuthorizationType (AD_TYPE) field |
| */ |
| public AuthorizationType getAuthzType() { |
| Integer value = getFieldAsInteger(AuthorizationDataEntryField.AD_TYPE); |
| |
| return AuthorizationType.fromValue(value); |
| } |
| |
| /** |
| * Sets the AuthorizationType (AD_TYPE) field |
| * @param authzType The AuthorizationType to set |
| */ |
| public void setAuthzType(AuthorizationType authzType) { |
| setFieldAsInt(AuthorizationDataEntryField.AD_TYPE, authzType.getValue()); |
| } |
| |
| /** |
| * @return The AuthorizationData (AD_DATA) field |
| */ |
| public byte[] getAuthzData() { |
| return getFieldAsOctets(AuthorizationDataEntryField.AD_DATA); |
| } |
| |
| /** |
| * Sets the AuthorizationData (AD_DATA) field |
| * @param authzData The AuthorizationData to set |
| */ |
| public void setAuthzData(byte[] authzData) { |
| setFieldAsOctets(AuthorizationDataEntryField.AD_DATA, authzData); |
| } |
| |
| /** |
| * @param <T> type The type |
| * @return The AuthorizationData (AD_DATA) field |
| */ |
| public <T extends Asn1Type> T getAuthzDataAs(Class<T> type) { |
| T result = null; |
| byte[] authzBytes = getFieldAsOctets( |
| AuthorizationDataEntryField.AD_DATA); |
| if (authzBytes != null) { |
| try { |
| result = type.newInstance(); |
| result.decode(authzBytes); |
| } catch (InstantiationException | IllegalAccessException | IOException e) { |
| LOG.error("Failed to get the AD_DATA field. " + e.toString()); |
| } |
| } |
| return result; |
| } |
| |
| public AuthorizationDataEntry clone() { |
| return new AuthorizationDataEntry(getAuthzType(), |
| getAuthzData().clone()); |
| } |
| } |