Waiting list: Redirect back after voucher edit (Z#23230178)

src/pretix/control/templates/pretixcontrol/waitinglist/index.html

@@ -251,7 +251,7 @@
                         </td>
                         <td>
                             {% if e.voucher %}
-                                <a href="{% url "control:event.voucher" organizer=request.event.organizer.slug event=request.event.slug voucher=e.voucher.pk %}">
+                                <a href="{% url "control:event.voucher" organizer=request.event.organizer.slug event=request.event.slug voucher=e.voucher.pk %}?next={{ request.get_full_path|urlencode }}">
                                     {{ e.voucher }}
                                 </a>
                             {% elif not e.voucher and e.availability.0 == 100 and e.availability.1|default_if_none:"none" != "none" %}

src/pretix/control/views/vouchers.py

@@ -51,6 +51,7 @@ from django.shortcuts import redirect, render
 from django.urls import resolve, reverse
 from django.utils.functional import cached_property
 from django.utils.html import format_html
+from django.utils.http import url_has_allowed_host_and_scheme
 from django.utils.safestring import mark_safe
 from django.utils.timezone import now
 from django.utils.translation import gettext_lazy as _
@@ -320,6 +321,8 @@ class VoucherUpdate(EventPermissionRequiredMixin, UpdateView):
         return super().post(request, *args, **kwargs)
 
     def get_success_url(self) -> str:
+        if "next" in self.request.GET and url_has_allowed_host_and_scheme(self.request.GET.get("next"), allowed_hosts=None):
+            return self.request.GET.get("next")
         return reverse('control:event.vouchers', kwargs={
             'organizer': self.request.event.organizer.slug,
             'event': self.request.event.slug,