private void HandleMessage(SignalServiceEnvelope envelope)
{
var cipher = new SignalServiceCipher(new SignalServiceAddress(App.Store.Username), new Store());
var content = cipher.decrypt(envelope);
long timestamp = Util.CurrentTimeMillis();
if (content.Message != null)
{
SignalServiceDataMessage message = content.Message;
if (message.EndSession)
{
HandleSessionResetMessage(envelope, content, message, false, timestamp);
}
else if (message.IsGroupUpdate())
{
if (message.Group.Type == SignalServiceGroup.GroupType.UPDATE)
{
HandleGroupUpdateMessage(envelope, content, message, false, timestamp);
}
}
else if (message.ExpirationUpdate)
{
HandleExpirationUpdateMessage(envelope, content, message, false, timestamp);
}
else
{
HandleSignalMessage(envelope, content, message, false, timestamp);
}
}
else if (content.SynchronizeMessage != null)
{
if (content.SynchronizeMessage.getSent().HasValue)
{
var syncMessage = content.SynchronizeMessage.getSent().ForceGetValue();
var dataMessage = syncMessage.getMessage();
if (dataMessage.EndSession)
{
HandleSessionResetMessage(envelope, content, dataMessage, true, timestamp);
}
else if (dataMessage.IsGroupUpdate())
{
if (dataMessage.Group.Type == SignalServiceGroup.GroupType.UPDATE)
{
HandleGroupUpdateMessage(envelope, content, dataMessage, true, timestamp);
}
}
else if (dataMessage.ExpirationUpdate)
{
HandleExpirationUpdateMessage(envelope, content, dataMessage, true, timestamp);
}
else
{
HandleSignalMessage(envelope, content, dataMessage, true, timestamp);
}
}
else if (content.SynchronizeMessage.getRead().HasValue)
{
var readMessages = content.SynchronizeMessage.getRead().ForceGetValue();
foreach (var readMessage in readMessages)
{
//TODO
}
}
} //TODO callmessages
else
{
Debug.WriteLine("HandleMessage got unrecognized message from " + envelope.getSource());
}
}
private void handleMessage(SignalServiceEnvelope envelope, May <long> smsMessageId)
{
try
{
SignalProtocolStore axolotlStore = new TextSecureAxolotlStore();
SignalServiceAddress localAddress = new SignalServiceAddress(TextSecurePreferences.getLocalNumber());
SignalServiceCipher cipher = new SignalServiceCipher(localAddress, axolotlStore);
SignalServiceContent content = cipher.decrypt(envelope);
if (content.getDataMessage().HasValue)
{
SignalServiceDataMessage message = content.getDataMessage().ForceGetValue();
if (message.isEndSession())
{
handleEndSessionMessage(envelope, message, smsMessageId);
}
else if (message.isGroupUpdate())
{
handleGroupMessage(envelope, message, smsMessageId);
}
else if (message.getAttachments().HasValue)
{
handleMediaMessage(envelope, message, smsMessageId);
}
else
{
handleTextMessage(envelope, message, smsMessageId);
}
}
/*else if (content.getSyncMessage().HasValue) TODO: SYNC enable
* {
* TextSecureSyncMessage syncMessage = content.getSyncMessage().ForceGetValue();
*
* if (syncMessage.getSent().HasValue) handleSynchronizeSentMessage(masterSecret, syncMessage.getSent().ForceGetValue(), smsMessageId);
* else if (syncMessage.getRequest().HasValue) handleSynchronizeRequestMessage(masterSecret, syncMessage.getRequest().ForceGetValue());
* }*/
if (envelope.isPreKeySignalMessage())
{
App.Current.Worker.AddTaskActivities(new RefreshPreKeysTask());
//ApplicationContext.getInstance(context).getJobManager().add(new RefreshPreKeysJob(context));
}
}
catch (InvalidVersionException e)
{
Log.Warn(e);
handleInvalidVersionMessage(envelope, smsMessageId);
}
catch (InvalidMessageException e)
{
Log.Warn(e);
handleCorruptMessage(envelope, smsMessageId);
}
catch (InvalidKeyIdException e)
{
Log.Warn(e);
handleCorruptMessage(envelope, smsMessageId);
}
catch (InvalidKeyException e)
{
Log.Warn(e);
handleCorruptMessage(envelope, smsMessageId);
}
catch (NoSessionException e)
{
Log.Warn(e);
handleNoSessionMessage(envelope, smsMessageId);
}
catch (LegacyMessageException e)
{
Log.Warn(e);
handleLegacyMessage(envelope, smsMessageId);
}
catch (DuplicateMessageException e)
{
Log.Warn(e);
handleDuplicateMessage(envelope, smsMessageId);
}
catch (libsignal.exceptions.UntrustedIdentityException e)
{
Log.Warn(e);
handleUntrustedIdentityMessage(envelope, smsMessageId);
}
catch (Exception e)
{
Log.Warn($"Unexpected Exception");
}
}