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add validation for custom routes in forms and handle route type conditions

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Eduardo Silva
2026-01-22 16:46:11 -03:00
parent 2ea6d92aac
commit 8b53b372dd
1 changed files with 31 additions and 0 deletions
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31
routing_templates/forms.py
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@@ -1,3 +1,5 @@
import ipaddress
from crispy_forms.helper import FormHelper from crispy_forms.helper import FormHelper
from crispy_forms.layout import Column, HTML, Layout, Row, Submit from crispy_forms.layout import Column, HTML, Layout, Row, Submit
from django import forms from django import forms
@@ -77,7 +79,36 @@ class RoutingTemplateForm(forms.ModelForm):
cleaned_data = super().clean() cleaned_data = super().clean()
allow_custom = cleaned_data.get('allow_peer_custom_routes') allow_custom = cleaned_data.get('allow_peer_custom_routes')
enforce_policy = cleaned_data.get('enforce_route_policy') enforce_policy = cleaned_data.get('enforce_route_policy')
route_type = cleaned_data.get('route_type')
custom_routes = cleaned_data.get('custom_routes')
if allow_custom and enforce_policy: if allow_custom and enforce_policy:
raise forms.ValidationError(_("You cannot enable 'Enforce Route Policy' when 'Allow Peer Custom Routes' is checked.")) raise forms.ValidationError(_("You cannot enable 'Enforce Route Policy' when 'Allow Peer Custom Routes' is checked."))
if route_type == 'custom' and not custom_routes:
self.add_error('custom_routes', _("At least one route must be provided when Route Type is 'Custom'."))
if custom_routes:
lines = custom_routes.strip().split('\n')
validated_routes = []
for line in lines:
line = line.strip()
if not line:
continue
try:
network = ipaddress.ip_network(line, strict=False)
if str(network) == '0.0.0.0/0':
self.add_error('custom_routes', _("The route 0.0.0.0/0 is not allowed. Use the 'Default Route' type instead."))
break
validated_routes.append(str(network))
except ValueError:
self.add_error('custom_routes', _("Invalid route format: '%(line)s'. Please use CIDR notation (e.g., 192.168.1.0/24).") % {'line': line})
break
if not self.errors.get('custom_routes'):
cleaned_data['custom_routes'] = '\n'.join(validated_routes)
if route_type == 'default' and custom_routes:
self.add_error('custom_routes', _("Custom routes should be empty when Route Type is 'Default Route'."))
return cleaned_data return cleaned_data