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The source code

/*
 * ====================================================================
 *
 *  Copyright 2002-2004 The Apache Software Foundation
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 * ====================================================================
 *
 * 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
 * .
 *
 */

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 * for use 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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