misc: add support for sharing custom 404 page (#29836)

combo/public/views.py

@@ -214,6 +214,12 @@ def skeleton(request):
         raise PermissionDenied()
     source = request.GET['source']
 
+    if source == '404':
+        request.extra_context_data = {'site_base': request.build_absolute_uri('/')[:-1]}
+        response = error404(request)
+        response.status_code = 200
+        return response
+
     parsed_source = urlparse.urlparse(source)
     netloc = parsed_source.netloc
     if parsed_source.scheme == 'https' and netloc.endswith(':443'):

tests/test_public.py

@@ -275,6 +275,11 @@ def test_page_skeleton(app):
     resp = app.get('/__skeleton__/?source=%s' % quote('http://127.0.0.1:8999/'))
     assert 'RestrictedVisibility' in resp.text
 
+    # check 404 skeleton
+    resp = app.get('/__skeleton__/?source=404')
+    assert "This page doesn't exist" in resp.text
+    assert resp.status_code == 200
+
 
 def test_subpage_location(app):
     Page.objects.all().delete()