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
18package org.apache.harmony.security.x509;
19
20import java.io.IOException;
21import org.apache.harmony.security.asn1.ASN1Boolean;
22import org.apache.harmony.security.asn1.ASN1Explicit;
23import org.apache.harmony.security.asn1.ASN1Implicit;
24import org.apache.harmony.security.asn1.ASN1Sequence;
25import org.apache.harmony.security.asn1.ASN1Type;
26import org.apache.harmony.security.asn1.BerInputStream;
27
28/**
29 * CRL's Issuing Distribution Point Extension (OID = 2.5.29.28).
30 * <pre>
31 *   id-ce-issuingDistributionPoint OBJECT IDENTIFIER ::= { id-ce 28 }
32 *
33 *   issuingDistributionPoint ::= SEQUENCE {
34 *      distributionPoint          [0] DistributionPointName OPTIONAL,
35 *      onlyContainsUserCerts      [1] BOOLEAN DEFAULT FALSE,
36 *      onlyContainsCACerts        [2] BOOLEAN DEFAULT FALSE,
37 *      onlySomeReasons            [3] ReasonFlags OPTIONAL,
38 *      indirectCRL                [4] BOOLEAN DEFAULT FALSE,
39 *      onlyContainsAttributeCerts [5] BOOLEAN DEFAULT FALSE
40 *   }
41 * </pre>
42 * (as specified in RFC 3280 http://www.ietf.org/rfc/rfc3280.txt)
43 */
44public final class IssuingDistributionPoint extends ExtensionValue {
45    // values of the fields of the structure
46    private DistributionPointName distributionPoint;
47    private boolean onlyContainsUserCerts = false;
48    private boolean onlyContainsCACerts = false;
49    private ReasonFlags onlySomeReasons;
50    private boolean indirectCRL = false;
51    private boolean onlyContainsAttributeCerts = false;
52
53    /**
54     * Constructs the object on the base of its distributionPoint and
55     * onlySomeReasons fields values.
56     */
57    public IssuingDistributionPoint(DistributionPointName distributionPoint,
58            ReasonFlags onlySomeReasons) {
59        this.distributionPoint = distributionPoint;
60        this.onlySomeReasons = onlySomeReasons;
61    }
62
63    /**
64     * Creates the extension object on the base of its encoded form.
65     */
66    public static IssuingDistributionPoint decode(byte[] encoding)
67            throws IOException {
68        IssuingDistributionPoint idp =
69            (IssuingDistributionPoint) ASN1.decode(encoding);
70        idp.encoding = encoding;
71        return idp;
72    }
73
74    /**
75     * Sets the value of onlyContainsUserCerts field of the structure.
76     */
77    public void setOnlyContainsUserCerts(boolean onlyContainsUserCerts) {
78        this.onlyContainsUserCerts = onlyContainsUserCerts;
79    }
80
81    /**
82     * Sets the value of onlyContainsCACerts field of the structure.
83     */
84    public void setOnlyContainsCACerts(boolean onlyContainsCACerts) {
85        this.onlyContainsCACerts = onlyContainsCACerts;
86    }
87
88    /**
89     * Sets the value of indirectCRL field of the structure.
90     */
91    public void setIndirectCRL(boolean indirectCRL) {
92        this.indirectCRL = indirectCRL;
93    }
94
95    /**
96     * Sets the value of onlyContainsAttributeCerts field of the structure.
97     */
98    public void setOnlyContainsAttributeCerts(
99            boolean onlyContainsAttributeCerts) {
100        this.onlyContainsAttributeCerts = onlyContainsAttributeCerts;
101    }
102
103    @Override public byte[] getEncoded() {
104        if (encoding == null) {
105            encoding = ASN1.encode(this);
106        }
107        return encoding;
108    }
109
110    @Override public void dumpValue(StringBuilder sb, String prefix) {
111        sb.append(prefix).append("Issuing Distribution Point: [\n");
112        if (distributionPoint != null) {
113            distributionPoint.dumpValue(sb, "  " + prefix);
114        }
115        sb.append(prefix).append("  onlyContainsUserCerts: ").append(onlyContainsUserCerts).append('\n');
116        sb.append(prefix).append("  onlyContainsCACerts: ").append(onlyContainsCACerts).append('\n');
117        if (onlySomeReasons != null) {
118            onlySomeReasons.dumpValue(sb, prefix + "  ");
119        }
120        sb.append(prefix).append("  indirectCRL: ").append(indirectCRL).append('\n');
121        sb.append(prefix).append("  onlyContainsAttributeCerts: ").append(onlyContainsAttributeCerts).append('\n');
122    }
123
124    /**
125     * ASN.1 Encoder/Decoder.
126     */
127    public static final ASN1Type ASN1 = new ASN1Sequence(
128            new ASN1Type[] {
129                // ASN.1 prohibits implicitly tagged CHOICE
130                new ASN1Explicit(0, DistributionPointName.ASN1),
131                new ASN1Implicit(1, ASN1Boolean.getInstance()),
132                new ASN1Implicit(2, ASN1Boolean.getInstance()),
133                new ASN1Implicit(3, ReasonFlags.ASN1),
134                new ASN1Implicit(4, ASN1Boolean.getInstance()),
135                new ASN1Implicit(5, ASN1Boolean.getInstance())
136            }) {
137        {
138            setOptional(0);
139            setOptional(3);
140            setDefault(Boolean.FALSE, 1);
141            setDefault(Boolean.FALSE, 2);
142            setDefault(Boolean.FALSE, 4);
143            setDefault(Boolean.FALSE, 5);
144        }
145
146        protected Object getDecodedObject(BerInputStream in) {
147            Object[] values = (Object[]) in.content;
148            IssuingDistributionPoint idp = new IssuingDistributionPoint(
149                    (DistributionPointName) values[0], (ReasonFlags) values[3]);
150            idp.encoding = in.getEncoded();
151            if (values[1] != null) {
152                idp.setOnlyContainsUserCerts((Boolean) values[1]);
153            }
154            if (values[2] != null) {
155                idp.setOnlyContainsCACerts((Boolean) values[2]);
156            }
157            if (values[4] != null) {
158                idp.setIndirectCRL((Boolean) values[4]);
159            }
160            if (values[5] != null) {
161                idp.setOnlyContainsAttributeCerts((Boolean) values[5]);
162            }
163            return idp;
164        }
165
166        protected void getValues(Object object, Object[] values) {
167            IssuingDistributionPoint idp = (IssuingDistributionPoint) object;
168            values[0] = idp.distributionPoint;
169            values[1] = (idp.onlyContainsUserCerts) ? Boolean.TRUE : null;
170            values[2] = (idp.onlyContainsCACerts) ? Boolean.TRUE : null;
171            values[3] = idp.onlySomeReasons;
172            values[4] = (idp.indirectCRL) ? Boolean.TRUE : null;
173            values[5] = (idp.onlyContainsAttributeCerts) ? Boolean.TRUE : null;
174        }
175    };
176
177}
178