Raise exception if pingback not valid

apps/payment/views.py

@@ -6,6 +6,7 @@ from urllib.parse import urlsplit
 
 from django.contrib import messages
 from django.contrib.auth.decorators import login_required
+from django.core.exceptions import DisallowedHost
 from django.http import HttpResponse
 from django.shortcuts import redirect, get_object_or_404
 from django.views.generic import View, TemplateView
@@ -247,4 +248,5 @@ class PaymentwallCallbackView(View):
                 payment.author_balance.save()
             return HttpResponse('OK')
         else:
+            raise DisallowedHost
             return HttpResponse(status=403)