Fix MRF policies to also work with Update

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

diff --git a/lib/pleroma/web/activity_pub/mrf/subchain_policy.ex b/lib/pleroma/web/activity_pub/mrf/subchain_policy.ex
index c9f20571fcb8616ab6b9ff9207e1204f4fb85b01..11a36aca1e31212660c9858d43f6a7ea909ea990 100644 (file)
--- a/lib/pleroma/web/activity_pub/mrf/subchain_policy.ex
+++ b/lib/pleroma/web/activity_pub/mrf/subchain_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.SubchainPolicy do
@@ -8,7 +8,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.SubchainPolicy do
 
   require Logger
 
-  @behaviour Pleroma.Web.ActivityPub.MRF
+  @behaviour Pleroma.Web.ActivityPub.MRF.Policy
 
   defp lookup_subchain(actor) do
     with matches <- Config.get([:mrf_subchain, :match_actor]),
@@ -23,13 +23,10 @@ defmodule Pleroma.Web.ActivityPub.MRF.SubchainPolicy do
   def filter(%{"actor" => actor} = message) do
     with {:ok, match, subchain} <- lookup_subchain(actor) do
       Logger.debug(
-        "[SubchainPolicy] Matched #{actor} against #{inspect(match)} with subchain #{
-          inspect(subchain)
-        }"
+        "[SubchainPolicy] Matched #{actor} against #{inspect(match)} with subchain #{inspect(subchain)}"
       )
 
-      subchain
-      |> MRF.filter(message)
+      MRF.filter(subchain, message)
     else
       _e -> {:ok, message}
     end
@@ -40,4 +37,28 @@ defmodule Pleroma.Web.ActivityPub.MRF.SubchainPolicy do
 
   @impl true
   def describe, do: {:ok, %{}}
+
+  @impl true
+  def config_description do
+    %{
+      key: :mrf_subchain,
+      related_policy: "Pleroma.Web.ActivityPub.MRF.SubchainPolicy",
+      label: "MRF Subchain",
+      description:
+        "This policy processes messages through an alternate pipeline when a given message matches certain criteria." <>
+          " All criteria are configured as a map of regular expressions to lists of policy modules.",
+      children: [
+        %{
+          key: :match_actor,
+          type: {:map, {:list, :string}},
+          description: "Matches a series of regular expressions against the actor field",
+          suggestions: [
+            %{
+              ~r/https:\/\/example.com/s => [Pleroma.Web.ActivityPub.MRF.DropPolicy]
+            }
+          ]
+        }
+      ]
+    }
+  end
 end