add IP address authentication method and related model

gatekeeper/migrations/0002_alter_authmethod_auth_type_gatekeeperipaddress.py

@@ -0,0 +1,41 @@
+# Generated by Django 5.2.12 on 2026-03-12 12:35
+
+import uuid
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('gatekeeper', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='authmethod',
+            name='auth_type',
+            field=models.CharField(choices=[('local_password', 'Local Password'), ('totp', 'One-Time Password (TOTP)'), ('oidc', 'OpenID Connect (OIDC)'), ('ip_address', 'IP Address List')], max_length=32),
+        ),
+        migrations.CreateModel(
+            name='GatekeeperIPAddress',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('address', models.GenericIPAddressField()),
+                ('prefix_length', models.PositiveSmallIntegerField(blank=True, help_text='CIDR prefix length (e.g.: 24 for /24). Leave blank for a single host.', null=True)),
+                ('action', models.CharField(choices=[('allow', 'Allow'), ('deny', 'Deny')], default='allow', max_length=8)),
+                ('description', models.CharField(blank=True, max_length=255)),
+                ('created', models.DateTimeField(auto_now_add=True)),
+                ('updated', models.DateTimeField(auto_now=True)),
+                ('uuid', models.UUIDField(default=uuid.uuid4, editable=False, unique=True)),
+                ('auth_method', models.ForeignKey(limit_choices_to={'auth_type': 'ip_address'}, on_delete=django.db.models.deletion.CASCADE, related_name='ip_addresses', to='gatekeeper.authmethod')),
+            ],
+            options={
+                'verbose_name': 'IP Address',
+                'verbose_name_plural': 'IP Addresses',
+                'ordering': ['address'],
+                'unique_together': {('auth_method', 'address', 'prefix_length')},
+            },
+        ),
+    ]