From 2755ff06d89a5cff024d678f5a87534c6841a5d2 Mon Sep 17 00:00:00 2001
From: sachaaaaa <sacha@loki.network>
Date: Fri, 8 Feb 2019 14:21:44 +1100
Subject: [PATCH] remove messages from cache before throwing if the prekey id
 could not be verified

---
 libtextsecure/message_receiver.js | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/libtextsecure/message_receiver.js b/libtextsecure/message_receiver.js
index 2e8bb94e4..082f12b35 100644
--- a/libtextsecure/message_receiver.js
+++ b/libtextsecure/message_receiver.js
@@ -731,11 +731,16 @@ MessageReceiver.prototype.extend({
         window.log.info('prekey message from', this.getEnvelopeId(envelope));
         promise = captureActiveSession(sessionCipher)
           .then(async () => {
-            const buffer = dcodeIO.ByteBuffer.wrap(ciphertext);
-            await window.libloki.storage.verifyFriendRequestAcceptPreKey(
-              envelope.source,
-              buffer
-            );
+            try {
+              const buffer = dcodeIO.ByteBuffer.wrap(ciphertext);
+              await window.libloki.storage.verifyFriendRequestAcceptPreKey(
+                envelope.source,
+                buffer
+              );
+            } catch (e) {
+              await this.removeFromCache(envelope);
+              throw e;
+            }
             return this.decryptPreKeyWhisperMessage(
               ciphertext,
               sessionCipher,