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yacy_search_server/source/de/anomic/http/EasyX509TrustManager.java

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/*
* ====================================================================
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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
* <http://www.apache.org/>.
*
*/
/* CHANGES to original file
* ========================
* 2008-04-07 danielr: changed package from org.apache.commons.httpclient.contrib.ssl
*/
package de.anomic.http;
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.TrustManagerFactory;
import javax.net.ssl.TrustManager;
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(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);
}
/**
* @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);
}
}
/**
* @see javax.net.ssl.X509TrustManager#getAcceptedIssuers()
*/
public X509Certificate[] getAcceptedIssuers() {
return this.standardTrustManager.getAcceptedIssuers();
}
}