make error message for 'not encrypted for this device'

1 files changed, 9 insertions, 2 deletions

diff --git a/src/main/java/de/pixart/messenger/crypto/axolotl/AxolotlService.java b/src/main/java/de/pixart/messenger/crypto/axolotl/AxolotlService.java
index ed432bb9b..f76711857 100644
--- a/src/main/java/de/pixart/messenger/crypto/axolotl/AxolotlService.java
+++ b/src/main/java/de/pixart/messenger/crypto/axolotl/AxolotlService.java
@@ -1372,16 +1372,23 @@ public class AxolotlService implements OnAdvancedStreamFeaturesLoaded {
         return session;
     }
 
-    public XmppAxolotlMessage.XmppAxolotlPlaintextMessage processReceivingPayloadMessage(XmppAxolotlMessage message, boolean postponePreKeyMessageHandling) {
+    public XmppAxolotlMessage.XmppAxolotlPlaintextMessage processReceivingPayloadMessage(XmppAxolotlMessage message, boolean postponePreKeyMessageHandling) throws NotEncryptedForThisDeviceException {
         XmppAxolotlMessage.XmppAxolotlPlaintextMessage plaintextMessage = null;
 
         XmppAxolotlSession session = getReceivingSession(message);
+        int ownDeviceId = getOwnDeviceId();
         try {
-            plaintextMessage = message.decrypt(session, getOwnDeviceId());
+            plaintextMessage = message.decrypt(session, ownDeviceId);
             Integer preKeyId = session.getPreKeyIdAndReset();
             if (preKeyId != null) {
                 postPreKeyMessageHandling(session, preKeyId, postponePreKeyMessageHandling);
             }
+        } catch (NotEncryptedForThisDeviceException e) {
+            if (account.getJid().asBareJid().equals(message.getFrom().asBareJid()) && message.getSenderDeviceId() == ownDeviceId) {
+                Log.w(Config.LOGTAG, getLogprefix(account) + "Reflected omemo message received");
+            } else {
+                throw e;
+            }
         } catch (CryptoFailedException e) {
             Log.w(Config.LOGTAG, getLogprefix(account) + "Failed to decrypt message from " + message.getFrom() + ": " + e.getMessage());
         }