From 0253aa59c7826ba0b367ef7cca4dfda57d0e4b45 Mon Sep 17 00:00:00 2001
From: Jason Volk <jason@zemos.net>
Date: Sat, 21 Jan 2023 20:06:57 -0800
Subject: [PATCH] Skip empty requests for cross-signing keys when user only has
 one device.

Cause: Request button pressed in user settings.

Result: Request body is jsNull; sendToDevice requires jsObject.
---
 src/encryption/Olm.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/encryption/Olm.cpp b/src/encryption/Olm.cpp
index f9f31fd5..b5576418 100644
--- a/src/encryption/Olm.cpp
+++ b/src/encryption/Olm.cpp
@@ -1613,6 +1613,9 @@ request_cross_signing_keys()
                 body[local_user][dev] = secretRequest;
         }
 
+        if (body.empty())
+            return;
+
         http::client()->send_to_device<mtx::events::msg::SecretRequest>(
           http::client()->generate_txn_id(),
           body,