Source code for /engineering/autohit-2003/src/autohit/common/EasyX509TrustManager.javaOriginal file EasyX509TrustManager.java
   1 /*
   2  * ====================================================================
   3  *
   4  * The Apache Software License, Version 1.1
   5  *
   6  * Copyright (c) 2002-2003 The Apache Software Foundation.  All rights
   7  * reserved.
   8  *
   9  * Redistribution and use in source and binary forms, with or without
  10  * modification, are permitted provided that the following conditions
  11  * are met:
  12  *
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  *
  16  * 2. Redistributions in binary form must reproduce the above copyright
  17  *    notice, this list of conditions and the following disclaimer in
  18  *    the documentation and/or other materials provided with the
  19  *    distribution.
  20  *
  21  * 3. The end-user documentation included with the redistribution, if
  22  *    any, must include the following acknowlegement:
  23  *       "This product includes software developed by the
  24  *        Apache Software Foundation (http://www.apache.org/)."
  25  *    Alternately, this acknowlegement may appear in the software itself,
  26  *    if and wherever such third-party acknowlegements normally appear.
  27  *
  28  * 4. The names "The Jakarta Project", "Commons", and "Apache Software
  29  *    Foundation" must not be used to endorse or promote products derived
  30  *    from this software without prior written permission. For written
  31  *    permission, please contact apache@apache.org.
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  33  * 5. Products derived from this software may not be called "Apache"
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  59 
  60 //package org.apache.commons.httpclient.contrib.ssl;
  61 package autohit.common;
  62 
  63 import java.security.KeyStore;
  64 import java.security.KeyStoreException;
  65 import java.security.NoSuchAlgorithmException;
  66 import java.security.cert.CertificateException;
  67 import java.security.cert.X509Certificate;
  68 
  69 import com.sun.net.ssl.TrustManagerFactory;
  70 import com.sun.net.ssl.TrustManager;
  71 import com.sun.net.ssl.X509TrustManager;
  72 import org.apache.commons.logging.Log; 
  73 import org.apache.commons.logging.LogFactory;
  74 
  75 /**
  76  * <p>
  77  * EasyX509TrustManager unlike default {@link X509TrustManager} accepts 
  78  * self-signed certificates. 
  79  * </p>
  80  * <p>
  81  * This trust manager SHOULD NOT be used for productive systems 
  82  * due to security reasons, unless it is a concious decision and 
  83  * you are perfectly aware of security implications of accepting 
  84  * self-signed certificates
  85  * </p>
  86  * 
  87  * @author <a href="mailto:adrian.sutton@ephox.com">Adrian Sutton</a>
  88  * @author <a href="mailto:oleg@ural.ru">Oleg Kalnichevski</a>
  89  * 
  90  * DISCLAIMER: HttpClient developers DO NOT actively support this component.
  91  * The component is provided as a reference material, which may be inappropriate
  92  * to be used without additional customization.
  93  */
  94 
  95 public class EasyX509TrustManager implements X509TrustManager
  96 {
  97     private X509TrustManager standardTrustManager = null;
  98 
  99     /** Log object for this class. */
 100     private static final Log LOG = LogFactory.getLog(EasyX509TrustManager.class);
 101 
 102     /**
 103      * Constructor for EasyX509TrustManager.
 104      */
 105     public EasyX509TrustManager(KeyStore keystore) throws NoSuchAlgorithmException, KeyStoreException {
 106         super();
 107         TrustManagerFactory factory = TrustManagerFactory.getInstance("SunX509");
 108         factory.init(keystore);
 109         TrustManager[] trustmanagers = factory.getTrustManagers();
 110         if (trustmanagers.length == 0) {
 111             throw new NoSuchAlgorithmException("SunX509 trust manager not supported");
 112         }
 113         this.standardTrustManager = (X509TrustManager)trustmanagers[0];
 114     }
 115 
 116     /**
 117      * @see com.sun.net.ssl.X509TrustManager#isClientTrusted(X509Certificate[])
 118      */
 119     public boolean isClientTrusted(X509Certificate[] certificates) {
 120         return this.standardTrustManager.isClientTrusted(certificates);
 121     }
 122 
 123     /**
 124      * @see com.sun.net.ssl.X509TrustManager#isServerTrusted(X509Certificate[])
 125      */
 126     public boolean isServerTrusted(X509Certificate[] certificates) {
 127         if ((certificates != null) && LOG.isDebugEnabled()) {
 128             LOG.debug("Server certificate chain:");
 129             for (int i = 0; i < certificates.length; i++) {
 130                 LOG.debug("X509Certificate[" + i + "]=" + certificates[i]);
 131             }
 132         }
 133         if ((certificates != null) && (certificates.length == 1)) {
 134             X509Certificate certificate = certificates[0];
 135             try {
 136                 certificate.checkValidity(); 
 137             }
 138             catch (CertificateException e) {
 139                 LOG.error(e.toString());
 140                 return false;
 141             }
 142             return true;
 143         } else {
 144             return this.standardTrustManager.isServerTrusted(certificates);
 145         }
 146     }
 147 
 148     /**
 149      * @see com.sun.net.ssl.X509TrustManager#getAcceptedIssuers()
 150      */
 151     public X509Certificate[] getAcceptedIssuers() {
 152         return this.standardTrustManager.getAcceptedIssuers();
 153     }
 154 }