From 3365ddd7de2d4a68d38fd3b25eccbd58080c9352 Mon Sep 17 00:00:00 2001
From: Cédric Bonhomme <cedric@cedricbonhomme.org>
Date: Sun, 1 Jul 2018 21:11:46 +0200
Subject: Validate the nickname of the user before account creation.

---
 src/web/forms.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/web/forms.py b/src/web/forms.py
index eb571cc8..96953240 100644
--- a/src/web/forms.py
+++ b/src/web/forms.py
@@ -60,6 +60,11 @@ class SignupForm(Form):
         if ucontr.read(nickname=self.nickname.data).count():
             self.nickname.errors.append('Nickname already taken')
             validated = False
+        if self.nickname.data != User.make_valid_nickname(self.nickname.data):
+            self.nickname.errors.append(lazy_gettext(
+                    'This nickname has invalid characters. '
+                    'Please use letters, numbers, dots and underscores only.'))
+            validated = False
         return validated
 
 
-- 
cgit