normalize hex number.

diff --git a/lib/pleroma/web/websub/websub_controller.ex b/lib/pleroma/web/websub/websub_controller.ex
index cd59a70a39fd86244ce6f58724113fc3703335ba..e5ecf6523224913c28478447dbdb5413e4a2d883 100644 (file)
--- a/lib/pleroma/web/websub/websub_controller.ex
+++ b/lib/pleroma/web/websub/websub_controller.ex
@@ -34,6 +34,7 @@ defmodule Pleroma.Web.Websub.WebsubController do
 
   def websub_incoming(conn, %{"id" => id}) do
     with "sha1=" <> signature <- hd(get_req_header(conn, "x-hub-signature")),
+         signature <- String.upcase(signature),
          %WebsubClientSubscription{} = websub <- Repo.get(WebsubClientSubscription, id),
          {:ok, body, _conn} = read_body(conn),
          ^signature <- Websub.sign(websub.secret, body) do