DummyX509TrustManager.java

/*
* 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.
*/
/*
 * Based on EasyX509TrustManager from commons-httpclient.
 */

package org.apache.nutch.protocol.httpclient;

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;

public class DummyX509TrustManager implements X509TrustManager
{
    private X509TrustManager standardTrustManager = null;

    /** Log object for this class. */
    private static final Log LOG = LogFactory.getLog(DummyX509TrustManager.class);

    /**
     * Constructor for DummyX509TrustManager.
     */
    public DummyX509TrustManager(KeyStore keystore) throws NoSuchAlgorithmException, KeyStoreException {
        super();
        String algo = TrustManagerFactory.getDefaultAlgorithm();
        TrustManagerFactory factory = TrustManagerFactory.getInstance(algo);
        factory.init(keystore);
        TrustManager[] trustmanagers = factory.getTrustManagers();
        if (trustmanagers.length == 0) {
            throw new NoSuchAlgorithmException(algo + " trust manager not supported");
        }
        this.standardTrustManager = (X509TrustManager)trustmanagers[0];
    }

    /**
     * @see javax.net.ssl.X509TrustManager#checkClientTrusted(X509Certificate[], String)
     */
    public boolean isClientTrusted(X509Certificate[] certificates) {
        return true;
    }

    /**
     * @see javax.net.ssl.X509TrustManager#checkServerTrusted(X509Certificate[], String)
     */
    public boolean isServerTrusted(X509Certificate[] certificates) {
      return true;
    }

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

    public void checkClientTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
      // do nothing
      
    }

    public void checkServerTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
      // do nothing
      
    }
}