From 1440ee9cebe2599239ed910b3f19cba6f79ff92c Mon Sep 17 00:00:00 2001 From: Tom Usher Date: Wed, 7 Dec 2022 16:25:10 +0000 Subject: Support deeper subdomains in domain validation (#110) Use a new validator class with regex based on the URLValidator from Django--- users/views/admin/domains.py | 34 ++++++++++++++++++++++++---------- 1 file changed, 24 insertions(+), 10 deletions(-) (limited to 'users/views/admin') diff --git a/users/views/admin/domains.py b/users/views/admin/domains.py index c42137c..ed4d184 100644 --- a/users/views/admin/domains.py +++ b/users/views/admin/domains.py @@ -1,6 +1,5 @@ -import re - from django import forms +from django.core.validators import RegexValidator from django.db import models from django.shortcuts import get_object_or_404, redirect from django.utils.decorators import method_decorator @@ -10,6 +9,27 @@ from users.decorators import admin_required from users.models import Domain +class DomainValidator(RegexValidator): + ul = "\u00a1-\uffff" # Unicode letters range (must not be a raw string). + + # Host patterns + hostname_re = ( + r"[a-z" + ul + r"0-9](?:[a-z" + ul + r"0-9-]{0,61}[a-z" + ul + r"0-9])?" + ) + # Max length for domain name labels is 63 characters per RFC 1034 sec. 3.1 + domain_re = r"(?:\.(?!-)[a-z" + ul + r"0-9-]{1,63}(?