From 227f87e1ceac926ef62700cf6579c842a3b05470 Mon Sep 17 00:00:00 2001
From: AsamK <asamk@gmx.de>
Date: Tue, 23 May 2023 19:15:04 +0200
Subject: [PATCH] Fallback to legacy send if group send fails due to invalid
 prekey

---
 .../java/org/asamk/signal/manager/helper/SendHelper.java   | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/lib/src/main/java/org/asamk/signal/manager/helper/SendHelper.java b/lib/src/main/java/org/asamk/signal/manager/helper/SendHelper.java
index 36c4f0d5..666867fe 100644
--- a/lib/src/main/java/org/asamk/signal/manager/helper/SendHelper.java
+++ b/lib/src/main/java/org/asamk/signal/manager/helper/SendHelper.java
@@ -617,6 +617,13 @@ public class SendHelper {
         } catch (NotFoundException e) {
             logger.warn("Someone was unregistered. Falling back to legacy sends.", e);
             return null;
+        } catch (IOException e) {
+            if (e.getCause() instanceof InvalidKeyException) {
+                logger.warn("Invalid key. Falling back to legacy sends.", e);
+                return null;
+            } else {
+                throw e;
+            }
         }
     }