Add export_configs management command for WireGuard and Caddy configurations

dns/functions.py

@@ -134,6 +134,9 @@ bind-interfaces
         dnsmasq_config += '\n'
         for dns_list in dns_lists:
             file_path = os.path.join("/etc/dnsmasq/", f"{dns_list.uuid}.conf")
-            dnsmasq_config += f'addn-hosts={file_path}\n'
+            if dns_list.list_format == 'hosts':
+                dnsmasq_config += f'addn-hosts={file_path}\n'
+            elif dns_list.list_format == 'dnsmasq':
+                dnsmasq_config += f'conf-file={file_path}\n'
     return dnsmasq_config
 

dns/migrations/0005_dnsfilterlist_list_format.py

@@ -0,0 +1,20 @@
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dns', '0004_dnsfilterlist_recommended'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='dnsfilterlist',
+            name='list_format',
+            field=models.CharField(
+                choices=[('', 'Unknown'), ('hosts', 'Hosts'), ('dnsmasq', 'Dnsmasq'), ('unsupported', 'Unsupported')],
+                default='',
+                max_length=15,
+            ),
+        ),
+    ]

dns/models.py

@@ -1,6 +1,7 @@
 import uuid
 
 from django.db import models
+from django.utils.translation import gettext_lazy as _
 
 
 class DNSSettings(models.Model):
@@ -27,6 +28,13 @@ class StaticHost(models.Model):
 
 
 class DNSFilterList(models.Model):
+    LIST_FORMAT_CHOICES = [
+        ('', _('Unknown')),
+        ('hosts', 'Hosts'),
+        ('dnsmasq', 'Dnsmasq'),
+        ('unsupported', _('Unsupported')),
+    ]
+
     name = models.SlugField(max_length=100, unique=True)
     description = models.CharField(max_length=100)
     enabled = models.BooleanField(default=False)
@@ -34,6 +42,7 @@ class DNSFilterList(models.Model):
     last_updated = models.DateTimeField(blank=True, null=True)
     host_count = models.IntegerField(default=0)
     recommended = models.BooleanField(default=False)
+    list_format = models.CharField(max_length=15, choices=LIST_FORMAT_CHOICES, default='')
 
     created = models.DateTimeField(auto_now_add=True)
     updated = models.DateTimeField(auto_now=True)

dns/views.py

@@ -1,5 +1,6 @@
 import hashlib
 import os
+import re
 
 import requests
 from django.conf import settings
@@ -17,6 +18,20 @@ from .models import DNSFilterList, DNSSettings
 from .models import StaticHost
 
 
+def detect_list_format(content):
+    for line in content.splitlines():
+        line = line.strip()
+        if not line or line.startswith('#'):
+            continue
+        if line.startswith(('local=/', 'address=/', 'server=/', 'conf-file=')):
+            return 'dnsmasq'
+        parts = line.split()
+        if len(parts) >= 2 and re.match(r'^[\d\.]+$|^[0-9a-fA-F:]+$', parts[0]):
+            return 'hosts'
+        return 'unsupported'
+    return ''
+
+
 def export_dns_configuration():
     dnsmasq_config = generate_dnsmasq_config()
     with open(settings.DNS_CONFIG_FILE, 'w') as f:
@@ -172,7 +187,9 @@ def view_manage_filter_list(request):
 
     form = DNSFilterListForm(request.POST or None, instance=filter_list)
     if form.is_valid():
-        form.save()
+        saved = form.save(commit=False)
+        saved.list_format = ''
+        saved.save()
         dns_settings.pending_changes = True
         dns_settings.save()
         messages.success(request, _('DNS Filter List saved successfully'))
@@ -244,6 +261,17 @@ def view_update_dns_list(request):
         dns_settings.pending_changes = True
         dns_settings.save()
 
+    # Detect list format from content.
+    detected_format = detect_list_format(content)
+    dns_list.list_format = detected_format
+
+    # If unsupported format, disable the list.
+    if detected_format == 'unsupported' and dns_list.enabled:
+        dns_list.enabled = False
+        dns_settings.pending_changes = True
+        dns_settings.save()
+        messages.warning(request, _('DNS Filter List disabled | Unsupported format detected'))
+
     # Count the number of valid host entries (ignoring empty lines and lines starting with '#').
     host_count = sum(1 for line in content.splitlines() if line.strip() and not line.strip().startswith('#'))
     dns_list.host_count = host_count
@@ -268,7 +296,11 @@ def view_toggle_dns_list(request):
     file_path = os.path.join("/etc/dnsmasq/", f"{dns_list.uuid}.conf")
 
     if request.GET.get('action') == 'enable':
-        if dns_list.host_count > 0 and os.path.exists(file_path):
+        if dns_list.list_format == 'unsupported':
+            messages.error(request, _('DNS Filter List not enabled | Unsupported format'))
+        elif dns_list.list_format == '':
+            messages.error(request, _('DNS Filter List not enabled | List has not been downloaded yet'))
+        elif dns_list.host_count > 0 and os.path.exists(file_path):
             dns_list.enabled = True
             dns_list.save()
             export_dns_configuration()