1/*
2 * reserved comment block
3 * DO NOT REMOVE OR ALTER!
4 */
5/**
6 * Licensed to the Apache Software Foundation (ASF) under one
7 * or more contributor license agreements. See the NOTICE file
8 * distributed with this work for additional information
9 * regarding copyright ownership. The ASF licenses this file
10 * to you under the Apache License, Version 2.0 (the
11 * "License"); you may not use this file except in compliance
12 * with the License. You may obtain a copy of the License at
13 *
14 * http://www.apache.org/licenses/LICENSE-2.0
15 *
16 * Unless required by applicable law or agreed to in writing,
17 * software distributed under the License is distributed on an
18 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
19 * KIND, either express or implied. See the License for the
20 * specific language governing permissions and limitations
21 * under the License.
22 */
23package com.sun.org.apache.xml.internal.security.keys.keyresolver.implementations;
24
25import java.security.PublicKey;
26import java.security.cert.Certificate;
27import java.security.cert.X509Certificate;
28import java.util.Iterator;
29
30import com.sun.org.apache.xml.internal.security.exceptions.XMLSecurityException;
31import com.sun.org.apache.xml.internal.security.keys.content.X509Data;
32import com.sun.org.apache.xml.internal.security.keys.content.x509.XMLX509IssuerSerial;
33import com.sun.org.apache.xml.internal.security.keys.keyresolver.KeyResolverException;
34import com.sun.org.apache.xml.internal.security.keys.keyresolver.KeyResolverSpi;
35import com.sun.org.apache.xml.internal.security.keys.storage.StorageResolver;
36import com.sun.org.apache.xml.internal.security.signature.XMLSignatureException;
37import com.sun.org.apache.xml.internal.security.utils.Constants;
38import org.w3c.dom.Element;
39
40public class X509IssuerSerialResolver extends KeyResolverSpi {
41
42    /** {@link org.apache.commons.logging} logging facility */
43    private static java.util.logging.Logger log =
44        java.util.logging.Logger.getLogger(X509IssuerSerialResolver.class.getName());
45
46
47    /** @inheritDoc */
48    public PublicKey engineLookupAndResolvePublicKey(
49        Element element, String baseURI, StorageResolver storage
50    ) throws KeyResolverException {
51
52        X509Certificate cert =
53            this.engineLookupResolveX509Certificate(element, baseURI, storage);
54
55        if (cert != null) {
56            return cert.getPublicKey();
57        }
58
59        return null;
60    }
61
62    /** @inheritDoc */
63    public X509Certificate engineLookupResolveX509Certificate(
64        Element element, String baseURI, StorageResolver storage
65    ) throws KeyResolverException {
66        if (log.isLoggable(java.util.logging.Level.FINE)) {
67            log.log(java.util.logging.Level.FINE, "Can I resolve " + element.getTagName() + "?");
68        }
69
70        X509Data x509data = null;
71        try {
72            x509data = new X509Data(element, baseURI);
73        } catch (XMLSignatureException ex) {
74            if (log.isLoggable(java.util.logging.Level.FINE)) {
75                log.log(java.util.logging.Level.FINE, "I can't");
76            }
77            return null;
78        } catch (XMLSecurityException ex) {
79            if (log.isLoggable(java.util.logging.Level.FINE)) {
80                log.log(java.util.logging.Level.FINE, "I can't");
81            }
82            return null;
83        }
84
85        if (!x509data.containsIssuerSerial()) {
86            return null;
87        }
88        try {
89            if (storage == null) {
90                Object exArgs[] = { Constants._TAG_X509ISSUERSERIAL };
91                KeyResolverException ex =
92                    new KeyResolverException("KeyResolver.needStorageResolver", exArgs);
93
94                if (log.isLoggable(java.util.logging.Level.FINE)) {
95                    log.log(java.util.logging.Level.FINE, "", ex);
96                }
97                throw ex;
98            }
99
100            int noOfISS = x509data.lengthIssuerSerial();
101
102            Iterator<Certificate> storageIterator = storage.getIterator();
103            while (storageIterator.hasNext()) {
104                X509Certificate cert = (X509Certificate)storageIterator.next();
105                XMLX509IssuerSerial certSerial = new XMLX509IssuerSerial(element.getOwnerDocument(), cert);
106
107                if (log.isLoggable(java.util.logging.Level.FINE)) {
108                    log.log(java.util.logging.Level.FINE, "Found Certificate Issuer: " + certSerial.getIssuerName());
109                    log.log(java.util.logging.Level.FINE, "Found Certificate Serial: " + certSerial.getSerialNumber().toString());
110                }
111
112                for (int i = 0; i < noOfISS; i++) {
113                    XMLX509IssuerSerial xmliss = x509data.itemIssuerSerial(i);
114
115                    if (log.isLoggable(java.util.logging.Level.FINE)) {
116                        log.log(java.util.logging.Level.FINE, "Found Element Issuer:     "
117                                  + xmliss.getIssuerName());
118                        log.log(java.util.logging.Level.FINE, "Found Element Serial:     "
119                                  + xmliss.getSerialNumber().toString());
120                    }
121
122                    if (certSerial.equals(xmliss)) {
123                        if (log.isLoggable(java.util.logging.Level.FINE)) {
124                            log.log(java.util.logging.Level.FINE, "match !!! ");
125                        }
126                        return cert;
127                    }
128                    if (log.isLoggable(java.util.logging.Level.FINE)) {
129                        log.log(java.util.logging.Level.FINE, "no match...");
130                    }
131                }
132            }
133
134            return null;
135        } catch (XMLSecurityException ex) {
136            if (log.isLoggable(java.util.logging.Level.FINE)) {
137                log.log(java.util.logging.Level.FINE, "XMLSecurityException", ex);
138            }
139
140            throw new KeyResolverException("generic.EmptyMessage", ex);
141        }
142    }
143
144    /** @inheritDoc */
145    public javax.crypto.SecretKey engineLookupAndResolveSecretKey(
146        Element element, String baseURI, StorageResolver storage
147    ) {
148        return null;
149    }
150}
151