com.ufasta.mobile.core.request.security.EasySSLProtocolSocketFactory.java Source code

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Here is the source code for com.ufasta.mobile.core.request.security.EasySSLProtocolSocketFactory.java

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package com.ufasta.mobile.core.request.security;

/*
 * 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
 */

import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketAddress;
import java.net.UnknownHostException;

import javax.net.SocketFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;

import org.apache.commons.httpclient.ConnectTimeoutException;
import org.apache.commons.httpclient.HttpClientError;
import org.apache.commons.httpclient.params.HttpConnectionParams;
import org.apache.commons.httpclient.protocol.SecureProtocolSocketFactory;

public class EasySSLProtocolSocketFactory implements SecureProtocolSocketFactory {

    private SSLContext sslcontext = null;

    /**
     * Constructor for EasySSLProtocolSocketFactory.
     */
    public EasySSLProtocolSocketFactory() {
        super();
    }

    private static SSLContext createEasySSLContext() {
        try {
            SSLContext context = SSLContext.getInstance("SSL");
            context.init(null, new TrustManager[] { new EasyX509TrustManager(null) }, null);
            return context;
        } catch (Exception e) {
            throw new HttpClientError(e.toString());
        }
    }

    private SSLContext getSSLContext() {
        if (this.sslcontext == null) {
            this.sslcontext = createEasySSLContext();
        }
        return this.sslcontext;
    }

    /**
     * @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 {

        return getSSLContext().getSocketFactory().createSocket(host, port, clientHost, clientPort);
    }

    /**
     * Attempts to get a new socket connection to the given host within the
     * given time limit.
     * <p>
     * To circumvent the limitations of older JREs that do not support connect
     * timeout a controller thread is executed. The controller thread attempts
     * to create a new socket within the given limit of time. If socket
     * constructor does not return until the timeout expires, the controller
     * terminates and throws an {@link ConnectTimeoutException}
     * </p>
     * 
     * @param host
     *            the host name/IP
     * @param port
     *            the port on the host
     * @param clientHost
     *            the local host name/IP to bind the socket to
     * @param clientPort
     *            the port on the local machine
     * @param params
     *            {@link HttpConnectionParams Http connection parameters}
     * @return Socket a new socket
     * @throws IOException
     *             if an I/O error occurs while creating the socket
     * @throws UnknownHostException
     *             if the IP address of the host cannot be determined
     */
    public Socket createSocket(final String host, final int port, final InetAddress localAddress,
            final int localPort, final HttpConnectionParams params)
            throws IOException, UnknownHostException, ConnectTimeoutException {
        if (params == null) {
            throw new IllegalArgumentException("Parameters may not be null");
        }
        int timeout = params.getConnectionTimeout();
        SocketFactory socketfactory = getSSLContext().getSocketFactory();
        if (timeout == 0) {
            return socketfactory.createSocket(host, port, localAddress, localPort);
        }
        Socket socket = socketfactory.createSocket();
        SocketAddress localaddr = new InetSocketAddress(localAddress, localPort);
        SocketAddress remoteaddr = new InetSocketAddress(host, port);
        socket.bind(localaddr);
        socket.connect(remoteaddr, timeout);
        return socket;
    }

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

    public boolean equals(Object obj) {
        return ((obj != null) && obj.getClass().equals(EasySSLProtocolSocketFactory.class));
    }

    public int hashCode() {
        return EasySSLProtocolSocketFactory.class.hashCode();
    }

}