es.ugr.swad.swadroid.ssl.EasySSLSocketFactory.java Source code

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Here is the source code for es.ugr.swad.swadroid.ssl.EasySSLSocketFactory.java

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/*
 *  This file is part of SWADroid.
 *
 *  Copyright (C) 2010 Juan Miguel Boyero Corral <juanmi1982@gmail.com>
 *
 *  SWADroid 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.
 *
 *  SWADroid 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 SWADroid.  If not, see <http://www.gnu.org/licenses/>.
 */
package es.ugr.swad.swadroid.ssl;

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

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 javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;

/**
 * SSLSocketFactory for self-signed certificates.
 * 
 * @author Juan Miguel Boyero Corral <juanmi1982@gmail.com>
 */
public class EasySSLSocketFactory extends SSLSocketFactory implements SocketFactory, LayeredSocketFactory {
    private SSLContext sslcontext = null;

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

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

    /** 
     * @see org.apache.http.conn.scheme.SocketFactory#connectSocket(java.net.Socket, java.lang.String, int, 
     *      java.net.InetAddress, int, org.apache.http.params.HttpParams) 
     */
    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;
    }

    /** 
     * @see org.apache.http.conn.scheme.SocketFactory#createSocket() 
     */
    public Socket createSocket() throws IOException {
        return getSSLContext().getSocketFactory().createSocket();
    }

    /** 
     * @see org.apache.http.conn.scheme.SocketFactory#isSecure(java.net.Socket) 
     */
    public boolean isSecure(Socket socket) throws IllegalArgumentException {
        return true;
    }

    /** 
     * @see org.apache.http.conn.scheme.LayeredSocketFactory#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);
    }

    // -------------------------------------------------------------------  
    // 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(EasySSLSocketFactory.class));
    }

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

    @Override
    public String[] getDefaultCipherSuites() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public String[] getSupportedCipherSuites() {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public Socket createSocket(String host, int port) throws IOException, UnknownHostException {

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

    @Override
    public Socket createSocket(String host, int port, InetAddress localHost, int localPort)
            throws IOException, UnknownHostException {

        return getSSLContext().getSocketFactory().createSocket(host, port, localHost, localPort);
    }

    @Override
    public Socket createSocket(InetAddress host, int port) throws IOException {

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

    @Override
    public Socket createSocket(InetAddress address, int port, InetAddress localAddress, int localPort)
            throws IOException {

        return getSSLContext().getSocketFactory().createSocket(address, port, localAddress, localPort);
    }
}