Allow updating accepted follow activities in Web.ActivityPub.Utils.update_follow_state_for_all/2

Mastodon uses the Reject activity also for the purpose of removing
a follower, in addition to reject a follow request. We should
also update the original Follow activity in this case.

lib/pleroma/web/activity_pub/utils.ex

@@ -446,7 +446,7 @@ defmodule Pleroma.Web.ActivityPub.Utils do
     |> Activity.Queries.by_type()
     |> Activity.Queries.by_actor(actor)
     |> Activity.Queries.by_object_id(object)
-    |> where(fragment("data->>'state' = 'pending'"))
+    |> where(fragment("data->>'state' = 'pending'") or fragment("data->>'state' = 'accept'"))
     |> update(set: [data: fragment("jsonb_set(data, '{state}', ?)", ^state)])
     |> Repo.update_all([])
 

test/pleroma/web/activity_pub/utils_test.exs

@@ -213,6 +213,20 @@ defmodule Pleroma.Web.ActivityPub.UtilsTest do
       assert refresh_record(follow_activity).data["state"] == "accept"
       assert refresh_record(follow_activity_two).data["state"] == "accept"
     end
+
+    test "also updates the state of accepted follows" do
+      user = insert(:user)
+      follower = insert(:user)
+
+      {:ok, _, _, follow_activity} = CommonAPI.follow(follower, user)
+      {:ok, _, _, follow_activity_two} = CommonAPI.follow(follower, user)
+
+      {:ok, follow_activity_two} =
+        Utils.update_follow_state_for_all(follow_activity_two, "reject")
+
+      assert refresh_record(follow_activity).data["state"] == "reject"
+      assert refresh_record(follow_activity_two).data["state"] == "reject"
+    end
   end
 
   describe "update_follow_state/2" do