session-android/src/org/thoughtcrime/securesms/transport/UniversalTransport.java
Moxie Marlinspike 1bbcedabd4 Added SMS transport support for PreKeyBundle messages.
1) Added SMS transport support.

2) Keep track of whether a PreKeyBundle message has gotten
   a response, and send them as subsequent messages until
   one has been received.
2014-01-06 14:35:52 -08:00

121 lines
4.2 KiB
Java

/**
* Copyright (C) 2013 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.transport;
import android.content.Context;
import android.util.Log;
import android.util.Pair;
import org.whispersystems.textsecure.crypto.MasterSecret;
import org.thoughtcrime.securesms.database.model.SmsMessageRecord;
import org.thoughtcrime.securesms.recipients.Recipient;
import org.thoughtcrime.securesms.util.TextSecurePreferences;
import org.thoughtcrime.securesms.util.Util;
import org.whispersystems.textsecure.directory.NumberFilter;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;
import ws.com.google.android.mms.pdu.EncodedStringValue;
import ws.com.google.android.mms.pdu.SendReq;
public class UniversalTransport {
private final Context context;
private final PushTransport pushTransport;
private final SmsTransport smsTransport;
private final MmsTransport mmsTransport;
public UniversalTransport(Context context, MasterSecret masterSecret) {
this.context = context;
this.pushTransport = new PushTransport(context, masterSecret);
this.smsTransport = new SmsTransport(context, masterSecret);
this.mmsTransport = new MmsTransport(context, masterSecret);
}
public void deliver(SmsMessageRecord message) throws UndeliverableMessageException {
if (!TextSecurePreferences.isPushRegistered(context)) {
smsTransport.deliver(message);
return;
}
Recipient recipient = message.getIndividualRecipient();
String number = Util.canonicalizeNumber(context, recipient.getNumber());
if (NumberFilter.getInstance(context).containsNumber(number)) {
try {
Log.w("UniversalTransport", "Delivering with GCM...");
pushTransport.deliver(message);
} catch (IOException ioe) {
Log.w("UniversalTransport", ioe);
smsTransport.deliver(message);
}
} else {
Log.w("UniversalTransport", "Delivering with SMS...");
smsTransport.deliver(message);
}
}
public Pair<byte[], Integer> deliver(SendReq mediaMessage) throws UndeliverableMessageException {
if (!TextSecurePreferences.isPushRegistered(context)) {
return mmsTransport.deliver(mediaMessage);
}
List<String> destinations = getMediaDestinations(mediaMessage);
if (NumberFilter.getInstance(context).containsNumbers(destinations)) {
try {
Log.w("UniversalTransport", "Delivering media message with GCM...");
pushTransport.deliver(mediaMessage, destinations);
return new Pair<byte[], Integer>("push".getBytes("UTF-8"), 0);
} catch (IOException ioe) {
Log.w("UniversalTransport", ioe);
return mmsTransport.deliver(mediaMessage);
}
} else {
Log.w("UniversalTransport", "Delivering media message with MMS...");
return mmsTransport.deliver(mediaMessage);
}
}
private List<String> getMediaDestinations(SendReq mediaMessage) {
LinkedList<String> destinations = new LinkedList<String>();
if (mediaMessage.getTo() != null) {
for (EncodedStringValue to : mediaMessage.getTo()) {
destinations.add(Util.canonicalizeNumber(context, to.getString()));
}
}
if (mediaMessage.getCc() != null) {
for (EncodedStringValue cc : mediaMessage.getCc()) {
destinations.add(Util.canonicalizeNumber(context, cc.getString()));
}
}
if (mediaMessage.getBcc() != null) {
for (EncodedStringValue bcc : mediaMessage.getBcc()) {
destinations.add(Util.canonicalizeNumber(context, bcc.getString()));
}
}
return destinations;
}
}