org.thoughtcrime.securesms.mms.OutgoingMmsConnection.java Source code

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Here is the source code for org.thoughtcrime.securesms.mms.OutgoingMmsConnection.java

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/**
 * Copyright (C) 2014 Open Whisper Systems
 *
 * This program 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.
 *
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.thoughtcrime.securesms.mms;

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.Uri;
import android.util.Log;

import org.apache.http.HttpHost;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpPostHC4;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.entity.ByteArrayEntityHC4;

import java.io.IOException;

import ws.com.google.android.mms.pdu.PduParser;
import ws.com.google.android.mms.pdu.SendConf;

public class OutgoingMmsConnection extends MmsConnection {
    private final static String TAG = OutgoingMmsConnection.class.getSimpleName();

    private final byte[] mms;

    public OutgoingMmsConnection(Context context, String apnName, byte[] mms) throws ApnUnavailableException {
        super(context, getApn(context, apnName));
        this.mms = mms;
    }

    @Override
    protected HttpUriRequest constructRequest(boolean useProxy) throws IOException {
        HttpPostHC4 request = new HttpPostHC4(apn.getMmsc());
        request.addHeader("Accept", "*/*, application/vnd.wap.mms-message, application/vnd.wap.sic");
        request.addHeader("x-wap-profile", "http://www.google.com/oha/rdf/ua-profile-kila.xml");
        request.addHeader("Content-Type", "application/vnd.wap.mms-message");
        request.setEntity(new ByteArrayEntityHC4(mms));
        if (useProxy) {
            HttpHost proxy = new HttpHost(apn.getProxy(), apn.getPort());
            request.setConfig(RequestConfig.custom().setProxy(proxy).build());
        }
        return request;
    }

    public void sendNotificationReceived(boolean usingMmsRadio, boolean useProxyIfAvailable) throws IOException {
        sendBytes(usingMmsRadio, useProxyIfAvailable);
    }

    public SendConf send(boolean useMmsRadio, boolean useProxyIfAvailable) throws IOException {
        byte[] response = sendBytes(useMmsRadio, useProxyIfAvailable);
        return (SendConf) new PduParser(response).parse();
    }

    private byte[] sendBytes(boolean useMmsRadio, boolean useProxyIfAvailable) throws IOException {
        final boolean useProxy = useProxyIfAvailable && apn.hasProxy();
        final String targetHost = useProxy ? apn.getProxy() : Uri.parse(apn.getMmsc()).getHost();

        Log.w(TAG, "Sending MMS of length: " + mms.length + (useMmsRadio ? ", using mms radio" : "")
                + (useProxy ? ", using proxy" : ""));

        try {
            if (checkRouteToHost(context, targetHost, useMmsRadio)) {
                Log.w(TAG, "got successful route to host " + targetHost);
                byte[] response = makeRequest(useProxy);
                if (response != null)
                    return response;
            }
        } catch (IOException ioe) {
            Log.w(TAG, ioe);
        }
        throw new IOException("Connection manager could not obtain route to host.");
    }

    public static boolean isConnectionPossible(Context context) {
        try {
            ConnectivityManager connectivityManager = (ConnectivityManager) context
                    .getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkInfo networkInfo = connectivityManager.getNetworkInfo(MmsRadio.TYPE_MOBILE_MMS);
            if (networkInfo == null) {
                Log.w(TAG, "MMS network info was null, unsupported by this device");
                return false;
            }

            getApn(context, networkInfo.getExtraInfo());
            return true;
        } catch (ApnUnavailableException e) {
            Log.w(TAG, e);
            return false;
        }
    }
}