com.archivas.clienttools.arcutils.utils.net.EasyX509TrustManager.java Source code

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// Copyright 2007 Hitachi Data Systems
// All Rights Reserved.
//
// 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.

package com.archivas.clienttools.arcutils.utils.net;

import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import javax.net.ssl.TrustManager;
import javax.net.ssl.TrustManagerFactory;
import javax.net.ssl.X509TrustManager;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * <p>
 * EasyX509TrustManager unlike default {@link X509TrustManager} accepts self-signed certificates.
 * </p>
 * <p>
 * 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
 * </p>
 * 
 * @author <a href="mailto:adrian.sutton@ephox.com">Adrian Sutton</a>
 * @author <a href="mailto:oleg@ural.ru">Oleg Kalnichevski</a>
 * 
 *         <p>
 *         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.
 *         </p>
 */

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() {

    }

    /**
     * Constructor for EasyX509TrustManager.
     */
    public EasyX509TrustManager(KeyStore keystore) throws NoSuchAlgorithmException, KeyStoreException {
        super();
        TrustManagerFactory factory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
        factory.init(keystore);
        TrustManager[] trustmanagers = factory.getTrustManagers();
        if (trustmanagers.length == 0) {
            throw new NoSuchAlgorithmException("no trust manager found");
        }
        this.standardTrustManager = (X509TrustManager) trustmanagers[0];
    }

    /**
     * @see javax.net.ssl.X509TrustManager#checkClientTrusted(X509Certificate[],String authType)
     */
    public void checkClientTrusted(X509Certificate[] certificates, String authType) throws CertificateException {
        standardTrustManager.checkClientTrusted(certificates, authType);
    }

    /*
     * @Override public void checkClientTrusted( X509Certificate[] chain, String authType) throws
     * CertificateException { // @see
     * http://hc.apache.org/httpcomponents-client/tutorial/html/connmgmt.html#d4e497 }
     */

    /**
     * @see javax.net.ssl.X509TrustManager#checkServerTrusted(X509Certificate[],String authType)
     */
    public void checkServerTrusted(X509Certificate[] certificates, String authType) throws CertificateException {
        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)) {
            certificates[0].checkValidity();
        } else {
            standardTrustManager.checkServerTrusted(certificates, authType);
        }
    }

    /*
     * @Override public void checkServerTrusted( X509Certificate[] chain, String authType) throws
     * CertificateException { // @see
     * http://hc.apache.org/httpcomponents-client/tutorial/html/connmgmt.html#d4e497 }
     */

    /**
     * @see javax.net.ssl.X509TrustManager#getAcceptedIssuers()
     */
    public X509Certificate[] getAcceptedIssuers() {
        return this.standardTrustManager.getAcceptedIssuers();
    }

    /*
     * @Override public X509Certificate[] getAcceptedIssuers() { // @see
     * http://hc.apache.org/httpcomponents-client/tutorial/html/connmgmt.html#d4e497 return null; }
     */

}