# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1385839687 -3600
# Node ID f7c561fbd5a62f1f3ecd4d9e74b44ce85d239214
# Parent  12e3bc0fd6ed8534f2924e057f2066321f4a1ded
mod_register_web: Friendly error messages if the username is taken or failed nodeprep

diff -r 12e3bc0fd6ed -r f7c561fbd5a6 mod_register_web/mod_register_web.lua
--- a/mod_register_web/mod_register_web.lua	Sat Nov 30 19:09:30 2013 +0100
+++ b/mod_register_web/mod_register_web.lua	Sat Nov 30 20:28:07 2013 +0100
@@ -101,8 +101,11 @@
 
 function register_user(form)
 	local prepped_username = nodeprep(form.username);
+	if not prepped_username then
+		return nil, "Username contains forbidden characters";
+	end
 	if usermanager.user_exists(prepped_username, module.host) then
-		return nil, "user-exists";
+		return nil, "Username already taken";
 	end
 	return usermanager.create_user(prepped_username, form.password, module.host);
 end