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Java > Open Source Codes > org > apache > geronimo > util > asn1 > x509 > TBSCertList


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 package org.apache.geronimo.util.asn1.x509;
19
20 import org.apache.geronimo.util.asn1.ASN1Encodable;
21 import org.apache.geronimo.util.asn1.ASN1Sequence;
22 import org.apache.geronimo.util.asn1.ASN1TaggedObject;
23 import org.apache.geronimo.util.asn1.DERGeneralizedTime;
24 import org.apache.geronimo.util.asn1.DERInteger;
25 import org.apache.geronimo.util.asn1.DERObject;
26 import org.apache.geronimo.util.asn1.DERTaggedObject;
27 import org.apache.geronimo.util.asn1.DERUTCTime;
28
29 /**
30  * PKIX RFC-2459 - TBSCertList object.
31  * <pre>
32  * TBSCertList ::= SEQUENCE {
33  * version Version OPTIONAL,
34  * -- if present, shall be v2
35  * signature AlgorithmIdentifier,
36  * issuer Name,
37  * thisUpdate Time,
38  * nextUpdate Time OPTIONAL,
39  * revokedCertificates SEQUENCE OF SEQUENCE {
40  * userCertificate CertificateSerialNumber,
41  * revocationDate Time,
42  * crlEntryExtensions Extensions OPTIONAL
43  * -- if present, shall be v2
44  * } OPTIONAL,
45  * crlExtensions [0] EXPLICIT Extensions OPTIONAL
46  * -- if present, shall be v2
47  * }
48  * </pre>
49  */
50 public class TBSCertList
51     extends ASN1Encodable
52 {
53     public class CRLEntry
54         extends ASN1Encodable
55     {
56         ASN1Sequence seq;
57
58         DERInteger userCertificate;
59         Time revocationDate;
60         X509Extensions crlEntryExtensions;
61
62         public CRLEntry(
63             ASN1Sequence seq)
64         {
65             this.seq = seq;
66
67             userCertificate = (DERInteger)seq.getObjectAt(0);
68             revocationDate = Time.getInstance(seq.getObjectAt(1));
69             if (seq.size() == 3)
70             {
71                 crlEntryExtensions = X509Extensions.getInstance(seq.getObjectAt(2));
72             }
73         }
74
75         public DERInteger getUserCertificate()
76         {
77             return userCertificate;
78         }
79
80         public Time getRevocationDate()
81         {
82             return revocationDate;
83         }
84
85         public X509Extensions getExtensions()
86         {
87             return crlEntryExtensions;
88         }
89
90         public DERObject toASN1Object()
91         {
92             return seq;
93         }
94     }
95
96     ASN1Sequence seq;
97
98     DERInteger version;
99     AlgorithmIdentifier signature;
100     X509Name issuer;
101     Time thisUpdate;
102     Time nextUpdate;
103     CRLEntry[] revokedCertificates;
104     X509Extensions crlExtensions;
105
106     public static TBSCertList getInstance(
107         ASN1TaggedObject obj,
108         boolean explicit)
109     {
110         return getInstance(ASN1Sequence.getInstance(obj, explicit));
111     }
112
113     public static TBSCertList getInstance(
114         Object JavaDoc obj)
115     {
116         if (obj instanceof TBSCertList)
117         {
118             return (TBSCertList)obj;
119         }
120         else if (obj instanceof ASN1Sequence)
121         {
122             return new TBSCertList((ASN1Sequence)obj);
123         }
124
125         throw new IllegalArgumentException JavaDoc("unknown object in factory");
126     }
127
128     public TBSCertList(
129         ASN1Sequence seq)
130     {
131         int seqPos = 0;
132
133         this.seq = seq;
134
135         if (seq.getObjectAt(seqPos) instanceof DERInteger)
136         {
137             version = (DERInteger)seq.getObjectAt(seqPos++);
138         }
139         else
140         {
141             version = new DERInteger(0);
142         }
143
144         signature = AlgorithmIdentifier.getInstance(seq.getObjectAt(seqPos++));
145         issuer = X509Name.getInstance(seq.getObjectAt(seqPos++));
146         thisUpdate = Time.getInstance(seq.getObjectAt(seqPos++));
147
148         if (seqPos < seq.size()
149             && (seq.getObjectAt(seqPos) instanceof DERUTCTime
150                || seq.getObjectAt(seqPos) instanceof DERGeneralizedTime
151                || seq.getObjectAt(seqPos) instanceof Time))
152         {
153             nextUpdate = Time.getInstance(seq.getObjectAt(seqPos++));
154         }
155
156         if (seqPos < seq.size()
157             && !(seq.getObjectAt(seqPos) instanceof DERTaggedObject))
158         {
159             ASN1Sequence certs = (ASN1Sequence)seq.getObjectAt(seqPos++);
160             revokedCertificates = new CRLEntry[certs.size()];
161
162             for ( int i = 0; i < revokedCertificates.length; i++)
163             {
164                 revokedCertificates[i] = new CRLEntry((ASN1Sequence)certs.getObjectAt(i));
165             }
166         }
167
168         if (seqPos < seq.size()
169             && seq.getObjectAt(seqPos) instanceof DERTaggedObject)
170         {
171             crlExtensions = X509Extensions.getInstance(seq.getObjectAt(seqPos++));
172         }
173     }
174
175     public int getVersion()
176     {
177         return version.getValue().intValue() + 1;
178     }
179
180     public DERInteger getVersionNumber()
181     {
182         return version;
183     }
184
185     public AlgorithmIdentifier getSignature()
186     {
187         return signature;
188     }
189
190     public X509Name getIssuer()
191     {
192         return issuer;
193     }
194
195     public Time getThisUpdate()
196     {
197         return thisUpdate;
198     }
199
200     public Time getNextUpdate()
201     {
202         return nextUpdate;
203     }
204
205     public CRLEntry[] getRevokedCertificates()
206     {
207         return revokedCertificates;
208     }
209
210     public X509Extensions getExtensions()
211     {
212         return crlExtensions;
213     }
214
215     public DERObject toASN1Object()
216     {
217         return seq;
218     }
219 }
220
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