From 35448bf0fe863662c22032f9623cada7841503e1 Mon Sep 17 00:00:00 2001
From: uramer <antonuramer@gmail.com>
Date: Mon, 12 Feb 2024 20:28:56 +0100
Subject: [PATCH] Fix crash when passing a non-callback table to a callback
 argument

---
 components/lua/asyncpackage.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/components/lua/asyncpackage.cpp b/components/lua/asyncpackage.cpp
index 8316ab2cde..863680ae9e 100644
--- a/components/lua/asyncpackage.cpp
+++ b/components/lua/asyncpackage.cpp
@@ -24,7 +24,11 @@ namespace LuaUtil
 
     Callback Callback::fromLua(const sol::table& t)
     {
-        return Callback{ t.raw_get<sol::main_protected_function>(1), t.raw_get<AsyncPackageId>(2).mHiddenData };
+        const sol::object& function = t.get_or(1, sol::nil);
+        const sol::object& asyncPackageId = t.get_or(2, sol::nil);
+        if (!function.is<sol::main_protected_function>() || !asyncPackageId.is<AsyncPackageId>())
+            throw std::domain_error("Expected an async:callback, received a table");
+        return Callback{ function.as<sol::main_protected_function>(), asyncPackageId.as<AsyncPackageId>().mHiddenData };
     }
 
     bool Callback::isLuaCallback(const sol::object& t)