User: Don't unfollow on block when the relevant setting is set.

lib/pleroma/user.ex

@@ -1309,7 +1309,8 @@ defmodule Pleroma.User do
 
     unsubscribe(blocked, blocker)
 
-    if following?(blocked, blocker), do: unfollow(blocked, blocker)
+    unfollowing_blocked = Config.get([:activitypub, :unfollow_blocked], true)
+    if unfollowing_blocked && following?(blocked, blocker), do: unfollow(blocked, blocker)
 
     {:ok, blocker} = update_follower_count(blocker)
     {:ok, blocker, _} = Participation.mark_all_as_read(blocker, blocked)

lib/pleroma/web/activity_pub/object_validators/block_validator.ex

@@ -6,7 +6,6 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.BlockValidator do
   use Ecto.Schema
 
   alias Pleroma.EctoType.ActivityPub.ObjectValidators
-  alias Pleroma.User
 
   import Ecto.Changeset
   import Pleroma.Web.ActivityPub.ObjectValidators.CommonValidations
@@ -33,7 +32,6 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.BlockValidator do
     |> validate_inclusion(:type, ["Block"])
     |> validate_actor_presence()
     |> validate_actor_presence(field_name: :object)
-    |> validate_block_acceptance()
   end
 
   def cast_and_validate(data) do
@@ -41,15 +39,4 @@ defmodule Pleroma.Web.ActivityPub.ObjectValidators.BlockValidator do
     |> cast_data
     |> validate_data
   end
-
-  def validate_block_acceptance(cng) do
-    actor = get_field(cng, :actor) |> User.get_cached_by_ap_id()
-
-    if actor.local || Pleroma.Config.get([:activitypub, :unfollow_blocked], true) do
-      cng
-    else
-      cng
-      |> add_error(:actor, "Not accepting remote blocks")
-    end
-  end
 end