package org.olat.core.util.httpclient;
/*
* ====================================================================
*
* 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
* <http://www.apache.org/>.
*
*/
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(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 javax.net.ssl.X509TrustManager#checkClientTrusted(java.security.cert.X509Certificate[], java.lang.String)
*/
public void checkClientTrusted(X509Certificate[] certificates, String authType) throws CertificateException {
this.standardTrustManager.checkClientTrusted(certificates, authType);
}
/**
* @see javax.net.ssl.X509TrustManager#checkServerTrusted(java.security.cert.X509Certificate[], java.lang.String)
*/
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) {
for (int i = 0; i < certificates.length; i++) {
X509Certificate certificate = certificates[i];
try {
certificate.checkValidity();
} catch (CertificateException e) {
LOG.error(e.toString());
throw e;
}
}
} else {
this.standardTrustManager.checkServerTrusted(certificates, authType);
}
}
/**
* @see javax.net.ssl.X509TrustManager#getAcceptedIssuers()
*/
public X509Certificate[] getAcceptedIssuers() {
return this.standardTrustManager.getAcceptedIssuers();
}
}