+ case HTTP.get(id, headers) do
+ {:ok, %{body: body, status: code, headers: headers}} when code in 200..299 ->
+ case List.keyfind(headers, "content-type", 0) do
+ {_, content_type} ->
+ case Plug.Conn.Utils.media_type(content_type) do
+ {:ok, "application", "activity+json", _} ->
+ {:ok, body}
+
+ {:ok, "application", "ld+json",
+ %{"profile" => "https://www.w3.org/ns/activitystreams"}} ->
+ {:ok, body}
+
+ _ ->
+ {:error, {:content_type, content_type}}
+ end
+
+ _ ->
+ {:error, {:content_type, nil}}
+ end