es.uja.photofirma.android.DoConnection.java Source code

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Here is the source code for es.uja.photofirma.android.DoConnection.java

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/*******************************************************************************
 * Copyright (c) 2014 Antonio Isaac Roldn Pea.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the GNU Public License v3.0
 * which accompanies this distribution, and is available at
 * http://www.gnu.org/licenses/gpl.html
 * 
 * Contributors:
 *     Antonio Isaac Roldn Pea - initial API and implementation
 ******************************************************************************/
package es.uja.photofirma.android;

import java.io.IOException;
import java.net.Socket;
import java.net.UnknownHostException;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.http.HttpVersion;
import org.apache.http.client.HttpClient;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.apache.http.protocol.HTTP;

/**
 * Esta clase se invoca cada vez que se pretende realizar una una conexin.
 * Pemite el uso de http o https, en funcin de la direccin con la que se pretende establecer conexin, ademas
 * permite la seleccion de un determinado timeout.
 *
 * @author Antonio Isaac Roldn Pea
 * @version 1.0
 */
public class DoConnection {

    /**
     * 
     * @return DefaultHttpClient(ccm, params)
     */
    public HttpClient getNewHttpClient() {
        try {
            KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
            trustStore.load(null, null);

            SSLSocketFactory sf = new MySSLSocketFactory(trustStore);
            sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);

            HttpParams params = new BasicHttpParams();
            HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
            HttpProtocolParams.setContentCharset(params, HTTP.UTF_8);

            //aado timeout
            HttpConnectionParams.setConnectionTimeout(params, 6000); //timeout en establecer conexion
            HttpConnectionParams.setSoTimeout(params, 10000); //timeout en recibir respuesta

            SchemeRegistry registry = new SchemeRegistry();
            registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
            registry.register(new Scheme("https", sf, 443));

            ClientConnectionManager ccm = new ThreadSafeClientConnManager(params, registry);

            return new DefaultHttpClient(ccm, params);

        } catch (Exception e) {
            return new DefaultHttpClient();
        }
    }

    private class MySSLSocketFactory extends SSLSocketFactory {
        SSLContext sslContext = SSLContext.getInstance("TLS");

        public MySSLSocketFactory(KeyStore truststore) throws NoSuchAlgorithmException, KeyManagementException,
                KeyStoreException, UnrecoverableKeyException {

            super(truststore);

            TrustManager tm = new X509TrustManager() {
                public void checkClientTrusted(X509Certificate[] chain, String authType)
                        throws CertificateException {
                }

                public void checkServerTrusted(X509Certificate[] chain, String authType)
                        throws CertificateException {
                }

                public X509Certificate[] getAcceptedIssuers() {
                    return null;
                }
            };

            sslContext.init(null, new TrustManager[] { tm }, null);
        }

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

        @Override
        public Socket createSocket() throws IOException {
            return sslContext.getSocketFactory().createSocket();
        }
    }

}