/*
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2002-2003 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Commons", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * 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
 * .
 *
 * [Additional notices, if required by prior licensing conditions]
 *
 */

package org.apache.commons.httpclient.contrib.ssl;

import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.net.UnknownHostException;
import javax.net.ssl.SSLSocketFactory;

import com.sun.net.ssl.SSLContext;
import com.sun.net.ssl.TrustManager; 

import org.apache.commons.httpclient.protocol.SecureProtocolSocketFactory;
import org.apache.commons.logging.Log; 
import org.apache.commons.logging.LogFactory;

/**
 * 

 * EasySSLProtocolSocketFactory can be used to creats SSL {@link Socket}s 
 * that accept self-signed certificates. 
 * 
 * 

 * This socket factory 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 Oleg Kalnichevski
 * 
 * DISCLAIMER: HttpClient developers DO NOT actively support this component.
 * The component is provided as a reference material, which may be inappropriate
 * to be used without additional customization.
 */

public class EasySSLProtocolSocketFactory implements SecureProtocolSocketFactory {

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

    /**
     * Constructor for EasySSLProtocolSocketFactory.
     * 
     * Code sample:
     *  
     *     

     *     Protocol easyhttps = new Protocol( 
     *         "https", new EasySSLProtocolSocketFactory(), 443);
     *
     *     HttpClient client = new HttpClient();
     *     client.getHostConfiguration().setHost("localhost", 443, easyhttps);
     *     
     */
    public EasySSLProtocolSocketFactory() {
        super();
    }

    private static SSLSocketFactory getEasySSLSocketFactory() {
        SSLContext context = null;
        try {
            context = SSLContext.getInstance("SSL");
            context.init(
              null, 
              new TrustManager[] {new EasyX509TrustManager(null)}, 
              null);
        } catch (Exception e) {
            LOG.error(e.getMessage(), e);
            throw new RuntimeException(e.toString());
        }
        return context.getSocketFactory();
    }


    /**
     * @see SecureProtocolSocketFactory#createSocket(java.lang.String,int,java.net.InetAddress,int)
     */
    public Socket createSocket(
        String host,
        int port,
        InetAddress clientHost,
        int clientPort)
        throws IOException, UnknownHostException {

        Socket socket = getEasySSLSocketFactory().createSocket(
            host,
            port,
            clientHost,
            clientPort
        );
        return socket;
    }

    /**
     * @see SecureProtocolSocketFactory#createSocket(java.lang.String,int)
     */
    public Socket createSocket(String host, int port)
        throws IOException, UnknownHostException {
        return getEasySSLSocketFactory().createSocket(
            host,
            port
        );
    }

    /**
     * @see SecureProtocolSocketFactory#createSocket(java.net.Socket,java.lang.String,int,boolean)
     */
    public Socket createSocket(
        Socket socket,
        String host,
        int port,
        boolean autoClose)
        throws IOException, UnknownHostException {
        return getEasySSLSocketFactory().createSocket(
            socket,
            host,
            port,
            autoClose
        );
    }
}

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