extend reject MRF to check if originating instance is blocked

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

diff --git a/lib/pleroma/web/activity_pub/mrf/object_age_policy.ex b/lib/pleroma/web/activity_pub/mrf/object_age_policy.ex
index d45d2d7e36ef2ce1644d569cf4fae60f0fb2c740..02c9b18ed5eb5203f3496577e3ff4c9ad80c07d8 100644 (file)
--- a/lib/pleroma/web/activity_pub/mrf/object_age_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/object_age_policy.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 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.ObjectAgePolicy do
@@ -9,7 +9,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy do
   require Pleroma.Constants
 
   @moduledoc "Filter activities depending on their age"
-  @behaviour Pleroma.Web.ActivityPub.MRF
+  @behaviour Pleroma.Web.ActivityPub.MRF.Policy
 
   defp check_date(%{"object" => %{"published" => published}} = message) do
     with %DateTime{} = now <- DateTime.utc_now(),
@@ -49,6 +49,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy do
           message
           |> Map.put("to", to)
           |> Map.put("cc", cc)
+          |> Kernel.put_in(["object", "to"], to)
+          |> Kernel.put_in(["object", "cc"], cc)
 
         {:ok, message}
       else
@@ -70,6 +72,8 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy do
           message
           |> Map.put("to", to)
           |> Map.put("cc", cc)
+          |> Kernel.put_in(["object", "to"], to)
+          |> Kernel.put_in(["object", "cc"], cc)
 
         {:ok, message}
       else
@@ -82,7 +86,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy do
   end
 
   @impl true
-  def filter(%{"type" => "Create", "published" => _} = message) do
+  def filter(%{"type" => "Create", "object" => %{"published" => _}} = message) do
     with actions <- Config.get([:mrf_object_age, :actions]),
          {:reject, _} <- check_date(message),
          {:ok, message} <- check_reject(message, actions),
@@ -106,4 +110,32 @@ defmodule Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy do
 
     {:ok, %{mrf_object_age: mrf_object_age}}
   end
+
+  @impl true
+  def config_description do
+    %{
+      key: :mrf_object_age,
+      related_policy: "Pleroma.Web.ActivityPub.MRF.ObjectAgePolicy",
+      label: "MRF Object Age",
+      description:
+        "Rejects or delists posts based on their timestamp deviance from your server's clock.",
+      children: [
+        %{
+          key: :threshold,
+          type: :integer,
+          description: "Required age (in seconds) of a post before actions are taken.",
+          suggestions: [172_800]
+        },
+        %{
+          key: :actions,
+          type: {:list, :atom},
+          description:
+            "A list of actions to apply to the post. `:delist` removes the post from public timelines; " <>
+              "`:strip_followers` removes followers from the ActivityPub recipient list ensuring they won't be delivered to home timelines; " <>
+              "`:reject` rejects the message entirely",
+          suggestions: [:delist, :strip_followers, :reject]
+        }
+      ]
+    }
+  end
 end