X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fweb%2Fmetadata%2Ftwitter_card.ex;h=8537766112d804e68a6829783052dbc98b7af411;hb=bb43f4cee94dfd6a71105fb31f10c4b0188a4bf2;hp=6424f84b3fc9fb77679ed6c1fc8e1fbe5dd657ca;hpb=2e630bea0da6452d3342a335da3ca642dc61c1b3;p=akkoma

diff --git a/lib/pleroma/web/metadata/twitter_card.ex b/lib/pleroma/web/metadata/twitter_card.ex
index 6424f84b3..853776611 100644
--- a/lib/pleroma/web/metadata/twitter_card.ex
+++ b/lib/pleroma/web/metadata/twitter_card.ex
@@ -1,4 +1,12 @@
+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
 defmodule Pleroma.Web.Metadata.Providers.TwitterCard do
+  alias Pleroma.Web.Metadata.Providers.Provider
+
+  @behaviour Provider
+
+  @impl Provider
   def build_tags(%{activity: activity}) do
     if Enum.any?(activity.data["object"]["tag"], fn tag -> tag == "nsfw" end) or
          activity.data["object"]["attachment"] == [] do
@@ -20,6 +28,7 @@ defmodule Pleroma.Web.Metadata.Providers.TwitterCard do
     end
   end
 
+  @impl Provider
   def build_tags(_) do
     [{:meta, [property: "twitter:card", content: "summary"], []}]
   end