add mailman template view

myhpi/tenca_django/mailinglist.py

@@ -94,7 +94,7 @@ def toggle_membership(self, email):
 		This is useful from interfaces where you don't want to hint attackers
 		the current membership status of others.
 
-		Returns a tuple of (status, token), where token is True if the user was newly
+		Returns a tuple of (status, token), where status is True if the user was newly
 		added and False if it was removed.
 		"""
 		if self.is_member(email):
@@ -121,9 +121,7 @@ def configure_single_template(self, mailman_template_name, tenca_template_name):
 			invite_link=self.build_invite_link(),
 			web_ui=urllib.parse.urljoin(settings.GET_SITE_URL(), reverse("tenca_dashboard"))
 		)
-		self.list.set_template(mailman_template_name, templates.http_substitute_url(
-			tenca_template_name, **template_args
-		))
+		self.list.set_template(mailman_template_name, urllib.parse.urljoin(settings.SITE_URL, reverse("tenca_django:mailman_template", kwargs={'template_name': tenca_template_name})))
 
 	def pending_subscriptions(self, request_type='subscription'):
 		"""As of mailman<3.3.3 no unsubscriptions are delivered via REST.

myhpi/tenca_django/templates/mailman/unsubscription_message.html

@@ -4,6 +4,6 @@
 {{action_link}}
 
 If you did not request this, please report abuse by visiting the following link:
-$action_abuse_link
+{{action_abuse_link}}
 
 Thanks for using {{web_ui}}! We hope to serve you again soon.

myhpi/tenca_django/urls.py

@@ -5,6 +5,7 @@
 app_name = "tenca_django"
 
 urlpatterns = [
+    path("templates/<str:template_name>/", views.MailmanTemplateView.as_view(), name="mailman_template"),
     path("dashboard/", views.TencaDashboard.as_view(), name="tenca_dashboard"),
     path(
         "confirm/<str:list_id>/<str:token>/", views.TencaActionConfirmView.as_view(), name="confirm"

myhpi/tenca_django/views.py

@@ -19,6 +19,21 @@
 from myhpi.tenca_django.mixins import TencaListAdminMixin, TencaSingleListMixin
 
 
+class MailmanTemplateView(TemplateView):
+    content_type = "text/plain"
+
+    def get_template_names(self):
+        if (template_name := self.kwargs.get("template_name", None)) and template_name in ["creation_message", "subscription_message", "unsubscription_message", "rejected_message", "mail_footer"]:
+            return [f"mailman/{template_name}.html"]
+        raise Http404
+
+    def get_context_data(self, **kwargs):
+        ctx = super().get_context_data(**kwargs)
+        for key, value in self.request.GET.items():
+            ctx[key] = value
+        return ctx
+
+
 class TencaDashboard(LoginRequiredMixin, FormView):
     template_name = "tenca_django/dashboard.html"
     form_class = TencaNewListForm