# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1569698788 -7200
# Node ID f9a93d7b6c50d30bd3ad890ae9298a5660be1afb
# Parent  7575399ae544637b452a6543c9ee22afb9870b14
mod_register_web: Fix traceback if captcha_reply is left out of the form (thanks woffs)

diff -r 7575399ae544 -r f9a93d7b6c50 mod_register_web/mod_register_web.lua
--- a/mod_register_web/mod_register_web.lua	Sat Sep 28 14:46:18 2019 +0200
+++ b/mod_register_web/mod_register_web.lua	Sat Sep 28 21:26:28 2019 +0200
@@ -101,7 +101,7 @@
 		};
 	end
 	function verify_captcha(request, form, callback)
-		if hmac_sha1(secret, form.captcha_reply, true) == form.captcha_challenge then
+		if hmac_sha1(secret, form.captcha_reply or "", true) == form.captcha_challenge then
 			callback(true);
 		else
 			callback(false, "Captcha verification failed");