extend reject MRF to check if originating instance is blocked

[akkoma] / lib / pleroma / web / activity_pub / mrf / ensure_re_prepended.ex

diff --git a/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex b/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex
index df8dc88d51d1c6eea857700a8d543587caa55d3f..c438b8f704569dc51731df2473243e66cee97f8b 100644 (file)
--- a/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex
+++ b/lib/pleroma/web/activity_pub/mrf/ensure_re_prepended.ex
@@ -1,15 +1,17 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.ActivityPub.MRF.EnsureRePrepended do
   alias Pleroma.Object
 
   @moduledoc "Ensure a re: is prepended on replies to a post with a Subject"
-  @behaviour Pleroma.Web.ActivityPub.MRF
+  @behaviour Pleroma.Web.ActivityPub.MRF.Policy
 
   @reply_prefix Regex.compile!("^re:[[:space:]]*", [:caseless])
 
+  def history_awareness, do: :auto
+
   def filter_by_summary(
         %{data: %{"summary" => parent_summary}} = _in_reply_to,
         %{"summary" => child_summary} = child
@@ -27,10 +29,11 @@ defmodule Pleroma.Web.ActivityPub.MRF.EnsureRePrepended do
 
   def filter_by_summary(_in_reply_to, child), do: child
 
-  def filter(%{"type" => "Create", "object" => child_object} = object) do
+  def filter(%{"type" => type, "object" => child_object} = object)
+      when type in ["Create", "Update"] and is_map(child_object) do
     child =
       child_object["inReplyTo"]
-      |> Object.normalize(child_object["inReplyTo"])
+      |> Object.normalize(fetch: false)
       |> filter_by_summary(child_object)
 
     object = Map.put(object, "object", child)
@@ -40,5 +43,5 @@ defmodule Pleroma.Web.ActivityPub.MRF.EnsureRePrepended do
 
   def filter(object), do: {:ok, object}
 
-  def describe(), do: {:ok, %{}}
+  def describe, do: {:ok, %{}}
 end