1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Web.ActivityPub.Pipeline do
10 alias Pleroma.Web.ActivityPub.ActivityPub
11 alias Pleroma.Web.ActivityPub.MRF
12 alias Pleroma.Web.ActivityPub.ObjectValidator
13 alias Pleroma.Web.ActivityPub.SideEffects
14 alias Pleroma.Web.ActivityPub.Visibility
15 alias Pleroma.Web.Federator
17 @side_effects Config.get([:pipeline, :side_effects], SideEffects)
18 @federator Config.get([:pipeline, :federator], Federator)
19 @object_validator Config.get([:pipeline, :object_validator], ObjectValidator)
20 @mrf Config.get([:pipeline, :mrf], MRF)
21 @activity_pub Config.get([:pipeline, :activity_pub], ActivityPub)
22 @config Config.get([:pipeline, :config], Config)
24 @spec common_pipeline(map(), keyword()) ::
25 {:ok, Activity.t() | Object.t(), keyword()} | {:error, any()}
26 def common_pipeline(object, meta) do
27 case Repo.transaction(fn -> do_common_pipeline(object, meta) end) do
28 {:ok, {:ok, activity, meta}} ->
29 @side_effects.handle_after_transaction(meta)
43 def do_common_pipeline(%{__struct__: _}, _meta), do: {:error, :is_struct}
45 def do_common_pipeline(message, meta) do
46 with {_, {:ok, message, meta}} <- {:validate, @object_validator.validate(message, meta)},
47 {_, {:ok, message, meta}} <- {:mrf, @mrf.pipeline_filter(message, meta)},
48 {_, {:ok, message, meta}} <- {:persist, @activity_pub.persist(message, meta)},
49 {_, {:ok, message, meta}} <- {:side_effects, @side_effects.handle(message, meta)},
50 {_, {:ok, _}} <- {:federation, maybe_federate(message, meta)} do
53 {:mrf, {:reject, message, _}} -> {:reject, message}
58 defp maybe_federate(%Object{}, _), do: {:ok, :not_federated}
60 defp maybe_federate(%Activity{} = activity, meta) do
61 with {:ok, local} <- Keyword.fetch(meta, :local) do
62 do_not_federate = meta[:do_not_federate] || !@config.get([:instance, :federating])
64 if !do_not_federate and local and not Visibility.is_local_public?(activity) do
66 if object = Keyword.get(meta, :object_data) do
67 %{activity | data: Map.put(activity.data, "object", object)}
72 @federator.publish(activity)
78 _e -> {:error, :badarg}