private void deliver(MasterSecret masterSecret, SmsMessageRecord message)
throws UndeliverableMessageException, InsecureFallbackApprovalException {
if (message.isSecure() || message.isKeyExchange() || message.isEndSession()) {
deliverSecureMessage(masterSecret, message);
} else {
deliverPlaintextMessage(message);
}
}
public static OutgoingTextMessage from(SmsMessageRecord record) {
if (record.isSecure()) {
return new OutgoingEncryptedMessage(
record.getIndividualRecipient(), record.getBody().getBody());
} else if (record.isKeyExchange()) {
return new OutgoingKeyExchangeMessage(
record.getIndividualRecipient(), record.getBody().getBody());
} else if (record.isEndSession()) {
return new OutgoingEndSessionMessage(
new OutgoingTextMessage(record.getIndividualRecipient(), record.getBody().getBody()));
} else {
return new OutgoingTextMessage(record.getIndividualRecipient(), record.getBody().getBody());
}
}
private void deliverSecureMessage(MasterSecret masterSecret, SmsMessageRecord message)
throws UndeliverableMessageException, InsecureFallbackApprovalException {
MultipartSmsMessageHandler multipartMessageHandler = new MultipartSmsMessageHandler();
OutgoingTextMessage transportMessage = OutgoingTextMessage.from(message);
if (message.isSecure() || message.isEndSession()) {
transportMessage = getAsymmetricEncrypt(masterSecret, transportMessage);
}
ArrayList<String> messages = multipartMessageHandler.divideMessage(transportMessage);
ArrayList<PendingIntent> sentIntents =
constructSentIntents(message.getId(), message.getType(), messages, message.isSecure());
ArrayList<PendingIntent> deliveredIntents =
constructDeliveredIntents(message.getId(), message.getType(), messages);
Log.w("SmsTransport", "Secure divide into message parts: " + messages.size());
for (int i = 0; i < messages.size(); i++) {
// NOTE 11/04/14 -- There's apparently a bug where for some unknown recipients
// and messages, this will throw an NPE. We have no idea why, so we're just
// catching it and marking the message as a failure. That way at least it
// doesn't repeatedly crash every time you start the app.
try {
SmsManager.getDefault()
.sendTextMessage(
message.getIndividualRecipient().getNumber(),
null,
messages.get(i),
sentIntents.get(i),
deliveredIntents == null ? null : deliveredIntents.get(i));
} catch (NullPointerException npe) {
Log.w(TAG, npe);
Log.w(TAG, "Recipient: " + message.getIndividualRecipient().getNumber());
Log.w(TAG, "Message Total Parts/Current: " + messages.size() + "/" + i);
Log.w(TAG, "Message Part Length: " + messages.get(i).getBytes().length);
throw new UndeliverableMessageException(npe);
} catch (IllegalArgumentException iae) {
Log.w(TAG, iae);
throw new UndeliverableMessageException(iae);
}
}
}