Stripe: Expose webhook listener on event domain

src/pretix/plugins/stripe/payment.py

@@ -11,7 +11,7 @@ from django.utils.translation import ugettext_lazy as _
 from pretix.base.models import Quota
 from pretix.base.payment import BasePaymentProvider
 from pretix.base.services.orders import mark_order_paid, mark_order_refunded
-from pretix.helpers.urls import build_absolute_uri
+from pretix.multidomain.urlreverse import build_absolute_uri
 
 logger = logging.getLogger('pretix.plugins.stripe')
 
@@ -39,7 +39,7 @@ class Stripe(BasePaymentProvider):
         return "<div class='alert alert-info'>%s<br /><code>%s</code></div>" % (
             _('Please configure a <a href="https://dashboard.stripe.com/account/webhooks">Stripe Webhook</a> to '
               'the following endpoint in order to automatically cancel orders when a charges are refunded externally.'),
-            build_absolute_uri('plugins:stripe:webhook')
+            build_absolute_uri(self.event, 'plugins:stripe:webhook')
         )
 
     def payment_is_valid_session(self, request):

src/pretix/plugins/stripe/urls.py

@@ -7,3 +7,9 @@ urlpatterns = [
         url(r'^webhook/$', webhook, name='webhook'),
     ])),
 ]
+
+event_patterns = [
+    url(r'^stripe/', include([
+        url(r'^webhook/$', webhook, name='webhook'),
+    ])),
+]

src/pretix/plugins/stripe/views.py

@@ -15,7 +15,7 @@ logger = logging.getLogger('pretix.plugins.stripe')
 
 @csrf_exempt
 @require_POST
-def webhook(request):
+def webhook(request, *args, **kwargs):
     event_json = json.loads(request.body.decode('utf-8'))
     event_type = event_json['type']
     if event_type != 'charge.refunded':