org.surveydroid.android.coms.SDHttpClient.java Source code

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Here is the source code for org.surveydroid.android.coms.SDHttpClient.java

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/*---------------------------------------------------------------------------*
 * SDHttpClient.java                                                         *
 *                                                                           *
 * Custom http client for Survey Droid; can be set to use the default        *
 * keystore, or fall back to the custom keystore.                            *
 *---------------------------------------------------------------------------*
 * Copyright 2011 Sema Berkiten, Vladimir Costescu, Henry Liu, Diego Vargas, *
 * Austin Walker, and Tony Xiao                                              *
 *                                                                           *
 * This file is part of Survey Droid.                                        *
 *                                                                           *
 * Survey Droid 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.                                       *
 *                                                                           *
 * Survey Droid 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 Survey Droid.  If not, see <http://www.gnu.org/licenses/>.     *
 *****************************************************************************/
package org.surveydroid.android.coms;

import java.io.InputStream;
import java.security.KeyStore;
import java.security.cert.CertificateException;

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.SingleClientConnManager;
import org.surveydroid.android.R;
import org.surveydroid.android.Util;

import android.content.Context;

/**
 * Custom version of the <a href="http://hc.apache.org/httpclient-3.x/">
 * Apache http client</a>.
 * 
 * @author Tony Xiao
 * @author Austin Walker
 */
public class SDHttpClient extends DefaultHttpClient {
    //the keystore password
    private static final String PASSWORD = "peoples";

    //logging tag
    private static final String TAG = "SDHttpClient";

    //current context
    private final Context ctxt;

    /**
     * Constructor
     * 
     * @param c - the current context
     */
    public SDHttpClient(Context c) {
        ctxt = c;
    }

    @Override
    protected ClientConnectionManager createClientConnectionManager() {
        SchemeRegistry registry = new SchemeRegistry();
        registry.register(new Scheme("http", PlainSocketFactory.getSocketFactory(), 80));
        registry.register(new Scheme("https", newSslSocketFactory(), 443));
        return new SingleClientConnManager(getParams(), registry);
    }

    private SSLSocketFactory newSslSocketFactory() {
        try {
            KeyStore trusted = KeyStore.getInstance("BKS");
            InputStream in = ctxt.getResources().openRawResource(R.raw.sd_keystore);
            try {
                trusted.load(in, PASSWORD.toCharArray());
            } catch (CertificateException e) {
                Util.e(null, TAG, "Cert Exception: " + Util.fmt(e));
                throw new AssertionError(e);
            } finally {
                in.close();
            }
            SSLSocketFactory sf = new SSLSocketFactory(trusted);
            //TODO look into this
            sf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
            return sf;
        } catch (Exception e) {
            Util.e(ctxt, TAG, Util.fmt(e));
            throw new AssertionError(e);
        }
    }
}