001 /*
002 * $HeadURL: http://juliusdavies.ca/svn/not-yet-commons-ssl/tags/commons-ssl-0.3.11/src/java/org/apache/commons/ssl/Java14TrustManagerWrapper.java $
003 * $Revision: 138 $
004 * $Date: 2008-03-03 23:50:07 -0800 (Mon, 03 Mar 2008) $
005 *
006 * ====================================================================
007 * Licensed to the Apache Software Foundation (ASF) under one
008 * or more contributor license agreements. See the NOTICE file
009 * distributed with this work for additional information
010 * regarding copyright ownership. The ASF licenses this file
011 * to you under the Apache License, Version 2.0 (the
012 * "License"); you may not use this file except in compliance
013 * with the License. You may obtain a copy of the License at
014 *
015 * http://www.apache.org/licenses/LICENSE-2.0
016 *
017 * Unless required by applicable law or agreed to in writing,
018 * software distributed under the License is distributed on an
019 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
020 * KIND, either express or implied. See the License for the
021 * specific language governing permissions and limitations
022 * under the License.
023 * ====================================================================
024 *
025 * This software consists of voluntary contributions made by many
026 * individuals on behalf of the Apache Software Foundation. For more
027 * information on the Apache Software Foundation, please see
028 * <http://www.apache.org/>.
029 *
030 */
031
032 package org.apache.commons.ssl;
033
034 import javax.net.ssl.X509TrustManager;
035 import java.security.cert.CertificateException;
036 import java.security.cert.CertificateExpiredException;
037 import java.security.cert.X509Certificate;
038
039 /**
040 * @author Credit Union Central of British Columbia
041 * @author <a href="http://www.cucbc.com/">www.cucbc.com</a>
042 * @author <a href="mailto:juliusdavies@cucbc.com">juliusdavies@cucbc.com</a>
043 * @since 30-Mar-2006
044 */
045 public class Java14TrustManagerWrapper implements X509TrustManager {
046 private final X509TrustManager trustManager;
047 private final TrustChain trustChain;
048 private final SSL ssl;
049
050 public Java14TrustManagerWrapper(X509TrustManager m, TrustChain tc, SSL h) {
051 this.trustManager = m;
052 this.trustChain = tc;
053 this.ssl = h;
054 }
055
056 public void checkClientTrusted(X509Certificate[] chain, String authType)
057 throws CertificateException {
058 ssl.setCurrentClientChain(chain);
059 CertificateException ce = null;
060 try {
061 trustManager.checkClientTrusted(chain, authType);
062 }
063 catch (CertificateException e) {
064 ce = e;
065 }
066 testShouldWeThrow(ce, chain);
067 }
068
069 public void checkServerTrusted(X509Certificate[] chain, String authType)
070 throws CertificateException {
071 ssl.setCurrentServerChain(chain);
072 CertificateException ce = null;
073 try {
074 trustManager.checkServerTrusted(chain, authType);
075 }
076 catch (CertificateException e) {
077 ce = e;
078 }
079 testShouldWeThrow(ce, chain);
080 }
081
082 public X509Certificate[] getAcceptedIssuers() {
083 if (trustChain.containsTrustAll()) {
084 // Counter-intuitively, this means we accept all issuers.
085 return new X509Certificate[0];
086 } else {
087 return trustManager.getAcceptedIssuers();
088 }
089 }
090
091 private void testShouldWeThrow(CertificateException checkException,
092 X509Certificate[] chain)
093 throws CertificateException {
094 if (checkException != null) {
095 Throwable root = getRootThrowable(checkException);
096 boolean expiryProblem = root instanceof CertificateExpiredException;
097 if (expiryProblem) {
098 if (ssl.getCheckExpiry()) {
099 // We're expired, and this factory cares.
100 throw checkException;
101 }
102 } else {
103 // Probably the cert isn't trusted. Only let it through if
104 // this factory trusts everything.
105 if (!trustChain.contains(TrustMaterial.TRUST_ALL)) {
106 throw checkException;
107 }
108 }
109 }
110
111 for (int i = 0; i < chain.length; i++) {
112 X509Certificate c = chain[i];
113 if (ssl.getCheckExpiry()) {
114 c.checkValidity();
115 }
116 if (ssl.getCheckCRL()) {
117 Certificates.checkCRL(c);
118 }
119 }
120 }
121
122 private static Throwable getRootThrowable(Throwable t) {
123 if (t == null) {
124 return t;
125 }
126 Throwable cause = t.getCause();
127 while (cause != null && !t.equals(cause)) {
128 t = cause;
129 cause = t.getCause();
130 }
131 return t;
132 }
133 }