From 09da5fa4ca146d207b34a899de98e4a9b8ef4bbb Mon Sep 17 00:00:00 2001
From: Sorunome <mail@sorunome.de>
Date: Mon, 18 May 2020 17:31:40 +0200
Subject: [PATCH] automatically clear an outbound session, if you are unable to
 decrypt your own messages

---
 lib/src/room.dart | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/src/room.dart b/lib/src/room.dart
index 3a24b44..52cb3d7 100644
--- a/lib/src/room.dart
+++ b/lib/src/room.dart
@@ -1811,6 +1811,10 @@ class Room {
       _storeOutboundGroupSession();
       decryptedPayload = json.decode(decryptResult.plaintext);
     } catch (exception) {
+      // alright, if this was actually by our own outbound group session, we might as well clear it
+      if ((_outboundGroupSession?.session_id() ?? '') == event.content['session_id']) {
+        clearOutboundGroupSession(wipe: true);
+      }
       if (exception.toString() == DecryptError.UNKNOWN_SESSION) {
         decryptedPayload = {
           'content': event.content,