1/* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18/** 19* @author Alexander Y. Kleymenov 20* @version $Revision$ 21*/ 22 23package org.apache.harmony.security.x509; 24 25import java.io.IOException; 26import org.apache.harmony.security.asn1.ASN1Explicit; 27import org.apache.harmony.security.asn1.ASN1Implicit; 28import org.apache.harmony.security.asn1.ASN1Sequence; 29import org.apache.harmony.security.asn1.ASN1Type; 30import org.apache.harmony.security.asn1.BerInputStream; 31 32/** 33 * The class encapsulates the ASN.1 DER encoding/decoding work 34 * with the DistributionPoint structure which is the part of X.509 CRL 35 * (as specified in RFC 3280 - 36 * Internet X.509 Public Key Infrastructure. 37 * Certificate and Certificate Revocation List (CRL) Profile. 38 * http://www.ietf.org/rfc/rfc3280.txt): 39 * 40 * <pre> 41 * CRLDistributionPoints ::= SEQUENCE SIZE (1..MAX) OF DistributionPoint 42 * 43 * DistributionPoint ::= SEQUENCE { 44 * distributionPoint [0] DistributionPointName OPTIONAL, 45 * reasons [1] ReasonFlags OPTIONAL, 46 * cRLIssuer [2] GeneralNames OPTIONAL 47 * } 48 * 49 * DistributionPointName ::= CHOICE { 50 * fullName [0] GeneralNames, 51 * nameRelativeToCRLIssuer [1] RelativeDistinguishedName 52 * } 53 * 54 * ReasonFlags ::= BIT STRING { 55 * unused (0), 56 * keyCompromise (1), 57 * cACompromise (2), 58 * affiliationChanged (3), 59 * superseded (4), 60 * cessationOfOperation (5), 61 * certificateHold (6), 62 * privilegeWithdrawn (7), 63 * aACompromise (8) 64 * } 65 * </pre> 66 */ 67public final class DistributionPoint { 68 private final DistributionPointName distributionPoint; 69 private final ReasonFlags reasons; 70 private final GeneralNames cRLIssuer; 71 72 public DistributionPoint(DistributionPointName distributionPoint, 73 ReasonFlags reasons, GeneralNames cRLIssuer) { 74 if ((reasons != null) && (distributionPoint == null) && (cRLIssuer == null)) { 75 throw new IllegalArgumentException("DistributionPoint MUST NOT consist of only the reasons field"); 76 } 77 this.distributionPoint = distributionPoint; 78 this.reasons = reasons; 79 this.cRLIssuer = cRLIssuer; 80 } 81 82 public void dumpValue(StringBuilder sb, String prefix) { 83 sb.append(prefix); 84 sb.append("Distribution Point: [\n"); 85 if (distributionPoint != null) { 86 distributionPoint.dumpValue(sb, prefix + " "); 87 } 88 if (reasons != null) { 89 reasons.dumpValue(sb, prefix + " "); 90 } 91 if (cRLIssuer != null) { 92 sb.append(prefix); 93 sb.append(" CRL Issuer: [\n"); 94 cRLIssuer.dumpValue(sb, prefix + " "); 95 sb.append(prefix); 96 sb.append(" ]\n"); 97 } 98 sb.append(prefix); 99 sb.append("]\n"); 100 } 101 102 /** 103 * Custom X.509 decoder. 104 */ 105 public static final ASN1Sequence ASN1 = new ASN1Sequence(new ASN1Type[] { 106 new ASN1Explicit(0, DistributionPointName.ASN1), 107 new ASN1Implicit(1, ReasonFlags.ASN1), 108 new ASN1Implicit(2, GeneralNames.ASN1) 109 }) { 110 { 111 setOptional(0); 112 setOptional(1); 113 setOptional(2); 114 } 115 116 @Override protected Object getDecodedObject(BerInputStream in) throws IOException { 117 Object[] values = (Object[]) in.content; 118 return new DistributionPoint((DistributionPointName) values[0], 119 (ReasonFlags) values[1], (GeneralNames) values[2]); 120 } 121 122 @Override protected void getValues(Object object, Object[] values) { 123 DistributionPoint dp = (DistributionPoint) object; 124 values[0] = dp.distributionPoint; 125 values[1] = dp.reasons; 126 values[2] = dp.cRLIssuer; 127 } 128 }; 129} 130