From 378bac1fe6eaa4f46bb920dfa9d903697817879c Mon Sep 17 00:00:00 2001
From: eta <eta@theta.eu.org>
Date: Wed, 16 Sep 2020 15:59:57 +0100
Subject: [PATCH] Handle the mysterious 419 login failure code

---
 stuff.lisp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/stuff.lisp b/stuff.lisp
index f90fb40..94e1e35 100644
--- a/stuff.lisp
+++ b/stuff.lisp
@@ -250,6 +250,11 @@ WhatsXMPP represents users as u440123456789 and groups as g1234-5678."
                  (admin-msg comp jid "Error: WhatsApp Web denied access. You may have violated the Terms of Service.")
                  (admin-presence comp jid "Access denied" "xa")
                  (update-session-data jid "")))
+              ((equal status-code 419)
+               (progn
+                 (admin-msg comp jid "Error: WhatsApp Web have invalidated this connection for some reason. You'll need to scan the QR code again. (It's unclear why this happens.")
+                 (admin-presence comp jid "Connection invalidated" "xa")
+                 (update-session-data jid "")))
               (t
                (progn
                  (admin-presence comp jid "Login failure" "xa")