XSSLSocketFactory.java

/*
 Copyright 2012-2013, Polyvi Inc. (http://polyvi.github.io/openxface)
 This program is distributed under the terms of the GNU General Public License.

 This file is part of xFace.

 xFace is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 xFace is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with xFace.  If not, see <http://www.gnu.org/licenses/>.
*/
package com.polyvi.xface.ssl;

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

import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocket;

import org.apache.http.conn.ConnectTimeoutException;
import org.apache.http.conn.scheme.LayeredSocketFactory;
import org.apache.http.conn.scheme.SocketFactory;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;

/**
 * This socket factory will create ssl socket that accepts self signed
 * certificate and support client certificate
 */
public class XSSLSocketFactory implements SocketFactory, LayeredSocketFactory {

    private static SocketFactory instance = null;

    private SSLContext mSslcontext;

    public static SocketFactory getSocketFactory() {
        if (instance == null) {
            if (XSSLManager.getInstace().getSslContext() == null) {
                instance = SSLSocketFactory.getSocketFactory();
            } else {
                instance = new XSSLSocketFactory();
            }
        }
        return instance;
    }

    private XSSLSocketFactory() {
        this.mSslcontext = XSSLManager.getInstace().getSslContext();
    }

    public Socket connectSocket(Socket sock, String host, int port,
            InetAddress localAddress, int localPort, HttpParams params)
            throws IOException, UnknownHostException, ConnectTimeoutException {
        int connTimeout = HttpConnectionParams.getConnectionTimeout(params);
        int soTimeout = HttpConnectionParams.getSoTimeout(params);

        InetSocketAddress remoteAddress = new InetSocketAddress(host, port);
        SSLSocket sslsock = (SSLSocket) ((sock != null) ? sock : createSocket());

        if ((localAddress != null) || (localPort > 0)) {
            // we need to bind explicitly
            if (localPort < 0) {
                localPort = 0; // indicates "any"
            }
            InetSocketAddress isa = new InetSocketAddress(localAddress,
                    localPort);
            sslsock.bind(isa);
        }

        sslsock.connect(remoteAddress, connTimeout);
        sslsock.setSoTimeout(soTimeout);
        return sslsock;

    }

    public Socket createSocket() throws IOException {
        return mSslcontext.getSocketFactory().createSocket();
    }

    public boolean isSecure(Socket socket) throws IllegalArgumentException {
        return true;
    }

    public Socket createSocket(Socket socket, String host, int port,
            boolean autoClose) throws IOException, UnknownHostException {
        return mSslcontext.getSocketFactory().createSocket(socket, host, port,
                autoClose);
    }

    // -------------------------------------------------------------------
    // javadoc in org.apache.http.conn.scheme.SocketFactory says :
    // Both Object.equals() and Object.hashCode() must be overridden
    // for the correct operation of some connection managers
    // -------------------------------------------------------------------

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

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

}