/**
* Copyright (C) 2011 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.SMP.service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.provider.Telephony;
import android.util.Log;
import org.thoughtcrime.SMP.ApplicationContext;
import org.thoughtcrime.SMP.jobs.MmsReceiveJob;
import org.thoughtcrime.SMP.protocol.WirePrefix;
import org.thoughtcrime.SMP.util.TextSecurePreferences;
import org.thoughtcrime.SMP.util.Util;
import ws.com.google.android.mms.pdu.GenericPdu;
import ws.com.google.android.mms.pdu.NotificationInd;
import ws.com.google.android.mms.pdu.PduHeaders;
import ws.com.google.android.mms.pdu.PduParser;
public class MmsListener extends BroadcastReceiver {
private static final String TAG = MmsListener.class.getSimpleName();
private boolean isRelevant(Context context, Intent intent) {
if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.DONUT) {
return false;
}
if (!ApplicationMigrationService.isDatabaseImported(context)) {
return false;
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT &&
Telephony.Sms.Intents.WAP_PUSH_RECEIVED_ACTION.equals(intent.getAction()) &&
Util.isDefaultSmsProvider(context))
{
return false;
}
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT &&
TextSecurePreferences.isInterceptAllMmsEnabled(context))
{
return true;
}
byte[] mmsData = intent.getByteArrayExtra("data");
PduParser parser = new PduParser(mmsData);
GenericPdu pdu = parser.parse();
if (pdu == null || pdu.getMessageType() != PduHeaders.MESSAGE_TYPE_NOTIFICATION_IND) {
Log.w(TAG, "Received Invalid notification PDU");
return false;
}
NotificationInd notificationPdu = (NotificationInd)pdu;
if (notificationPdu.getSubject() == null)
return false;
return WirePrefix.isEncryptedMmsSubject(notificationPdu.getSubject().getString());
}
@Override
public void onReceive(Context context, Intent intent) {
Log.w(TAG, "Got MMS broadcast..." + intent.getAction());
if ((Telephony.Sms.Intents.WAP_PUSH_DELIVER_ACTION.equals(intent.getAction()) &&
Util.isDefaultSmsProvider(context)) ||
(Telephony.Sms.Intents.WAP_PUSH_RECEIVED_ACTION.equals(intent.getAction()) &&
isRelevant(context, intent)))
{
Log.w(TAG, "Relevant!");
ApplicationContext.getInstance(context)
.getJobManager()
.add(new MmsReceiveJob(context, intent.getByteArrayExtra("data")));
abortBroadcast();
}
}
}