mod_register_web: Fix traceback if captcha_reply is left out of the form (thanks woffs)
--- 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");