From 8093b14922cc0f6bd056c60d8a17d220d7794219 Mon Sep 17 00:00:00 2001
From: Moxie Marlinspike <moxie@thoughtcrime.org>
Date: Sun, 23 Feb 2014 14:38:41 -0800
Subject: [PATCH] Be sure we don't let MMS out if the transport is disabled.

---
 src/org/thoughtcrime/securesms/transport/MmsTransport.java | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/org/thoughtcrime/securesms/transport/MmsTransport.java b/src/org/thoughtcrime/securesms/transport/MmsTransport.java
index 318beff89d..3bb2a04f45 100644
--- a/src/org/thoughtcrime/securesms/transport/MmsTransport.java
+++ b/src/org/thoughtcrime/securesms/transport/MmsTransport.java
@@ -31,6 +31,7 @@ import org.thoughtcrime.securesms.protocol.WirePrefix;
 import org.thoughtcrime.securesms.recipients.Recipient;
 import org.thoughtcrime.securesms.recipients.RecipientFactory;
 import org.thoughtcrime.securesms.recipients.RecipientFormattingException;
+import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.whispersystems.textsecure.crypto.MasterSecret;
 import org.whispersystems.textsecure.crypto.SessionCipher;
 import org.whispersystems.textsecure.crypto.protocol.CiphertextMessage;
@@ -62,6 +63,12 @@ public class MmsTransport {
   }
 
   public MmsSendResult deliver(SendReq message) throws UndeliverableMessageException {
+    if (TextSecurePreferences.isPushRegistered(context) &&
+        !TextSecurePreferences.isSmsFallbackEnabled(context))
+    {
+      throw new UndeliverableMessageException("MMS Transport is not enabled!");
+    }
+
     try {
       if (isCdmaDevice()) {
         Log.w("MmsTransport", "Sending MMS directly without radio change...");