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/*
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2002-2003 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Commons", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
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 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
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 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * .
 *
 * [Additional notices, if required by prior licensing conditions]
 *
 */

package org.apache.commons.httpclient.contrib.ssl;

import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import com.sun.net.ssl.TrustManagerFactory;
import com.sun.net.ssl.TrustManager;
import com.sun.net.ssl.X509TrustManager;
import org.apache.commons.logging.Log; 
import org.apache.commons.logging.LogFactory;

/**
 * 

* EasyX509TrustManager unlike default {@link X509TrustManager} accepts * self-signed certificates. *

*

* This trust manager SHOULD NOT be used for productive systems * due to security reasons, unless it is a concious decision and * you are perfectly aware of security implications of accepting * self-signed certificates *

* * @author Adrian Sutton * @author Oleg Kalnichevski * * DISCLAIMER: HttpClient developers DO NOT actively support this component. * The component is provided as a reference material, which may be inappropriate * to be used without additional customization. */ public class EasyX509TrustManager implements X509TrustManager { private X509TrustManager standardTrustManager = null; /** Log object for this class. */ private static final Log LOG = LogFactory.getLog(EasyX509TrustManager.class); /** * Constructor for EasyX509TrustManager. */ public EasyX509TrustManager(KeyStore keystore) throws NoSuchAlgorithmException, KeyStoreException { super(); TrustManagerFactory factory = TrustManagerFactory.getInstance("SunX509"); factory.init(keystore); TrustManager[] trustmanagers = factory.getTrustManagers(); if (trustmanagers.length == 0) { throw new NoSuchAlgorithmException("SunX509 trust manager not supported"); } this.standardTrustManager = (X509TrustManager)trustmanagers[0]; } /** * @see com.sun.net.ssl.X509TrustManager#isClientTrusted(X509Certificate[]) */ public boolean isClientTrusted(X509Certificate[] certificates) { return this.standardTrustManager.isClientTrusted(certificates); } /** * @see com.sun.net.ssl.X509TrustManager#isServerTrusted(X509Certificate[]) */ public boolean isServerTrusted(X509Certificate[] certificates) { if ((certificates != null) && LOG.isDebugEnabled()) { LOG.debug("Server certificate chain:"); for (int i = 0; i < certificates.length; i++) { LOG.debug("X509Certificate[" + i + "]=" + certificates[i]); } } if ((certificates != null) && (certificates.length == 1)) { X509Certificate certificate = certificates[0]; try { certificate.checkValidity(); } catch (CertificateException e) { LOG.error(e.toString()); return false; } return true; } else { return this.standardTrustManager.isServerTrusted(certificates); } } /** * @see com.sun.net.ssl.X509TrustManager#getAcceptedIssuers() */ public X509Certificate[] getAcceptedIssuers() { return this.standardTrustManager.getAcceptedIssuers(); } }
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