Fix key checking

app/doorboy-proxy.py

@@ -60,6 +60,7 @@ async def view_doorboy_uids(request):
 @app.route("/longpoll", stream=True)
 async def view_longpoll(request):
     response = await request.respond(content_type="text/event-stream")
+    key = request.headers.get("KEY")
     if not key or key not in [DOORBOY_SECRET_FLOOR, DOORBOY_SECRET_WORKSHOP]:
         return text("Invalid token")