Pipeline: Don't federate if federation is disabled.

lib/pleroma/web/activity_pub/pipeline.ex

@@ -11,6 +11,7 @@ defmodule Pleroma.Web.ActivityPub.Pipeline do
   alias Pleroma.Web.ActivityPub.ObjectValidator
   alias Pleroma.Web.ActivityPub.SideEffects
   alias Pleroma.Web.Federator
+  alias Pleroma.Config
 
   @spec common_pipeline(map(), keyword()) ::
           {:ok, Activity.t() | Object.t(), keyword()} | {:error, any()}
@@ -44,7 +45,7 @@ defp maybe_federate(%Object{}, _), do: {:ok, :not_federated}
 
   defp maybe_federate(%Activity{} = activity, meta) do
     with {:ok, local} <- Keyword.fetch(meta, :local) do
-      do_not_federate = meta[:do_not_federate]
+      do_not_federate = meta[:do_not_federate] || !Config.get([:instance, :federating])
 
       if !do_not_federate && local do
         Federator.publish(activity)

test/web/activity_pub/pipeline_test.exs

@@ -9,6 +9,11 @@ defmodule Pleroma.Web.ActivityPub.PipelineTest do
   import Pleroma.Factory
 
   describe "common_pipeline/2" do
+    setup do
+      clear_config([:instance, :federating], true)
+      :ok
+    end
+
     test "it goes through validation, filtering, persisting, side effects and federation for local activities" do
       activity = insert(:note_activity)
       meta = [local: true]
@@ -83,5 +88,44 @@ test "it goes through validation, filtering, persisting, side effects without fe
         assert_called(Pleroma.Web.ActivityPub.SideEffects.handle(activity, meta))
       end
     end
+
+    test "it goes through validation, filtering, persisting, side effects without federation for local activities if federation is deactivated" do
+      clear_config([:instance, :federating], false)
+
+      activity = insert(:note_activity)
+      meta = [local: true]
+
+      with_mocks([
+        {Pleroma.Web.ActivityPub.ObjectValidator, [], [validate: fn o, m -> {:ok, o, m} end]},
+        {
+          Pleroma.Web.ActivityPub.MRF,
+          [],
+          [filter: fn o -> {:ok, o} end]
+        },
+        {
+          Pleroma.Web.ActivityPub.ActivityPub,
+          [],
+          [persist: fn o, m -> {:ok, o, m} end]
+        },
+        {
+          Pleroma.Web.ActivityPub.SideEffects,
+          [],
+          [handle: fn o, m -> {:ok, o, m} end]
+        },
+        {
+          Pleroma.Web.Federator,
+          [],
+          []
+        }
+      ]) do
+        assert {:ok, ^activity, ^meta} =
+                 Pleroma.Web.ActivityPub.Pipeline.common_pipeline(activity, meta)
+
+        assert_called(Pleroma.Web.ActivityPub.ObjectValidator.validate(activity, meta))
+        assert_called(Pleroma.Web.ActivityPub.MRF.filter(activity))
+        assert_called(Pleroma.Web.ActivityPub.ActivityPub.persist(activity, meta))
+        assert_called(Pleroma.Web.ActivityPub.SideEffects.handle(activity, meta))
+      end
+    end
   end
 end