# HG changeset patch
# User Maxime “pep” Buquet <pep@bouah.net>
# Date 1589747935 -7200
# Node ID 7e2db4d61f6ca7ee324c67af60734cfab55eb4dc
# Parent  3ac31ddab7eb1d547ae23c138477843f400b8857
mod_easy_invite: backport: ensure session exists before accessing it

Backport from https://github.com/snikket-im/snikket-server

This prevents a 500 issue when using mod_register_web.

diff -r 3ac31ddab7eb -r 7e2db4d61f6c mod_easy_invite/mod_easy_invite.lua
--- a/mod_easy_invite/mod_easy_invite.lua	Sat May 16 19:48:26 2020 +0200
+++ b/mod_easy_invite/mod_easy_invite.lua	Sun May 17 22:38:55 2020 +0200
@@ -137,7 +137,7 @@
 
 -- Registration attempt - ensure a valid preauth token has been supplied
 module:hook("user-registering", function (event)
-	local validated_invite = event.session.validated_invite;
+	local validated_invite = event.validated_invite or (event.session and event.session.validated_invite);
 	if invite_only and not validated_invite then
 		event.allowed = false;
 		event.reason = "Registration on this server is through invitation only";
@@ -169,7 +169,7 @@
 
 -- Registration successful, if there was a preauth token, mark it as used
 module:hook("user-registered", function (event)
-	local validated_invite = event.session.validated_invite;
+	local validated_invite = event.validated_invite or (event.session and event.session.validated_invite);
 	if not validated_invite then
 		return;
 	end