Add simple API endpoint to activate and deactivate a list

Access is restricted by IP for the list server. Once the migration is
done, we should probably remove the endpoint again.

pgweb/lists/views.py

@@ -1,5 +1,5 @@
-from django.shortcuts import render_to_response
-from django.http import HttpResponse
+from django.shortcuts import render_to_response, get_object_or_404
+from django.http import HttpResponse, HttpResponseForbidden
 from django.views.decorators.csrf import csrf_exempt
 from django.conf import settings
 
@@ -67,3 +67,17 @@ def listinfo(request):
 			} for l in MailingList.objects.all()]
 	json.dump({'groups': groupdata, 'lists': listdata}, resp)
 	return resp
+
+# Temporary API endpoint
+def activate(request):
+	if not request.META['REMOTE_ADDR'] in settings.LIST_ACTIVATORS:
+		return HttpResponseForbidden()
+	listname = request.GET['listname']
+	active = (request.GET['active'] == '1')
+
+	l = get_object_or_404(MailingList, listname=listname)
+	if l.active == active:
+		return HttpResponse("Not changed")
+	l.active = active
+	l.save()
+	return HttpResponse("Changed")