| 1 | /* |
| 2 | * ==================================================================== |
| 3 | * |
| 4 | * Copyright 2002-2004 The Apache Software Foundation |
| 5 | * |
| 6 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 7 | * you may not use this file except in compliance with the License. |
| 8 | * You may obtain a copy of the License at |
| 9 | * |
| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 11 | * |
| 12 | * Unless required by applicable law or agreed to in writing, software |
| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 15 | * See the License for the specific language governing permissions and |
| 16 | * limitations under the License. |
| 17 | * ==================================================================== |
| 18 | * |
| 19 | * This software consists of voluntary contributions made by many |
| 20 | * individuals on behalf of the Apache Software Foundation. For more |
| 21 | * information on the Apache Software Foundation, please see |
| 22 | * <http://www.apache.org/>. |
| 23 | * |
| 24 | */ |
| 25 | |
| 26 | package org.apache.commons.httpclient.contrib.ssl; |
| 27 | |
| 28 | import java.security.KeyStore; |
| 29 | import java.security.KeyStoreException; |
| 30 | import java.security.NoSuchAlgorithmException; |
| 31 | import java.security.cert.CertificateException; |
| 32 | import java.security.cert.X509Certificate; |
| 33 | |
| 34 | import javax.net.ssl.TrustManagerFactory; |
| 35 | import javax.net.ssl.TrustManager; |
| 36 | import javax.net.ssl.X509TrustManager; |
| 37 | import org.apache.commons.logging.Log; |
| 38 | import org.apache.commons.logging.LogFactory; |
| 39 | |
| 40 | /** |
| 41 | * <p> |
| 42 | * EasyX509TrustManager unlike default {@link X509TrustManager} accepts |
| 43 | * self-signed certificates. |
| 44 | * </p> |
| 45 | * <p> |
| 46 | * This trust manager SHOULD NOT be used for productive systems |
| 47 | * due to security reasons, unless it is a concious decision and |
| 48 | * you are perfectly aware of security implications of accepting |
| 49 | * self-signed certificates |
| 50 | * </p> |
| 51 | * |
| 52 | * @author <a href="mailto:adrian.sutton@ephox.com">Adrian Sutton</a> |
| 53 | * @author <a href="mailto:oleg@ural.ru">Oleg Kalnichevski</a> |
| 54 | * |
| 55 | * <p> |
| 56 | * DISCLAIMER: HttpClient developers DO NOT actively support this component. |
| 57 | * The component is provided as a reference material, which may be inappropriate |
| 58 | * for use without additional customization. |
| 59 | * </p> |
| 60 | */ |
| 61 | |
| 62 | public class EasyX509TrustManager implements X509TrustManager |
| 63 | { |
| 64 | private X509TrustManager standardTrustManager = null; |
| 65 | |
| 66 | /** Log object for this class. */ |
| 67 | private static final Log LOG = LogFactory.getLog(EasyX509TrustManager.class); |
| 68 | |
| 69 | /** |
| 70 | * Constructor for EasyX509TrustManager. |
| 71 | */ |
| 72 | public EasyX509TrustManager(KeyStore keystore) throws NoSuchAlgorithmException, KeyStoreException { |
| 73 | super(); |
| 74 | TrustManagerFactory factory = TrustManagerFactory.getInstance("SunX509"); |
| 75 | factory.init(keystore); |
| 76 | TrustManager[] trustmanagers = factory.getTrustManagers(); |
| 77 | if (trustmanagers.length == 0) { |
| 78 | throw new NoSuchAlgorithmException("SunX509 trust manager not supported"); |
| 79 | } |
| 80 | this.standardTrustManager = (X509TrustManager)trustmanagers[0]; |
| 81 | } |
| 82 | |
| 83 | /** |
| 84 | * @see javax.net.ssl.X509TrustManager#checkClientTrusted(X509Certificate[],String) |
| 85 | */ |
| 86 | public void checkClientTrusted(X509Certificate[] chain, String authType) |
| 87 | throws CertificateException |
| 88 | { |
| 89 | this.standardTrustManager.checkClientTrusted(chain, authType); |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * @see javax.net.ssl.X509TrustManager#checkServerTrusted(X509Certificate[],String) |
| 94 | */ |
| 95 | public void checkServerTrusted(X509Certificate[] chain, String authType) |
| 96 | throws CertificateException { |
| 97 | if ((chain != null) && LOG.isDebugEnabled()) { |
| 98 | LOG.debug("Server certificate chain:"); |
| 99 | for (int i = 0; i < chain.length; i++) { |
| 100 | LOG.debug("X509Certificate[" + i + "]=" + chain[i]); |
| 101 | } |
| 102 | } |
| 103 | if ((chain != null) && (chain.length == 1)) { |
| 104 | X509Certificate certificate = chain[0]; |
| 105 | certificate.checkValidity(); |
| 106 | } else { |
| 107 | this.standardTrustManager.checkServerTrusted(chain, authType); |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * @see javax.net.ssl.X509TrustManager#getAcceptedIssuers() |
| 113 | */ |
| 114 | public X509Certificate[] getAcceptedIssuers() { |
| 115 | return this.standardTrustManager.getAcceptedIssuers(); |
| 116 | } |
| 117 | } |