80 lines
2.7 KiB
Elixir
80 lines
2.7 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.ActivityPub.Pipeline do
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alias Pleroma.Activity
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alias Pleroma.Config
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alias Pleroma.Object
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alias Pleroma.Repo
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alias Pleroma.Web.ActivityPub
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alias Pleroma.Web.ActivityPub.Visibility
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alias Pleroma.Web.Federator
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defp side_effects, do: Config.get([:pipeline, :side_effects], SideEffects)
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defp federator, do: Config.get([:pipeline, :federator], Federator)
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defp object_validator, do: Config.get([:pipeline, :object_validator], ObjectValidator)
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defp mrf, do: Config.get([:pipeline, :mrf], MRF)
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defp activity_pub, do: Config.get([:pipeline, :activity_pub], ActivityPub)
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defp config, do: Config.get([:pipeline, :config], Config)
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@spec common_pipeline(map(), keyword()) ::
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{:ok, Activity.t() | Object.t(), keyword()} | {:error, any()}
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def common_pipeline(object, meta) do
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case Repo.transaction(fn -> do_common_pipeline(object, meta) end) do
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{:ok, {:ok, activity, meta}} ->
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side_effects().handle_after_transaction(meta)
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{:ok, activity, meta}
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{:ok, value} ->
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value
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{:error, e} ->
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{:error, e}
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{:reject, e} ->
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{:reject, e}
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end
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end
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def do_common_pipeline(object, meta) do
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with {_, {:ok, validated_object, meta}} <-
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{:validate_object, object_validator().validate(object, meta)},
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{_, {:ok, mrfd_object, meta}} <-
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{:mrf_object, mrf().pipeline_filter(validated_object, meta)},
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{_, {:ok, activity, meta}} <-
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{:persist_object, activity_pub().persist(mrfd_object, meta)},
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{_, {:ok, activity, meta}} <-
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{:execute_side_effects, side_effects().handle(activity, meta)},
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{_, {:ok, _}} <- {:federation, maybe_federate(activity, meta)} do
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{:ok, activity, meta}
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else
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{:mrf_object, {:reject, message, _}} -> {:reject, message}
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e -> {:error, e}
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end
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end
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defp maybe_federate(%Object{}, _), do: {:ok, :not_federated}
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defp maybe_federate(%Activity{} = activity, meta) do
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with {:ok, local} <- Keyword.fetch(meta, :local) do
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do_not_federate = meta[:do_not_federate] || !config().get([:instance, :federating])
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if !do_not_federate and local and not Visibility.is_local_public?(activity) do
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activity =
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if object = Keyword.get(meta, :object_data) do
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%{activity | data: Map.put(activity.data, "object", object)}
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else
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activity
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end
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federator().publish(activity)
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{:ok, :federated}
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else
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{:ok, :not_federated}
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end
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else
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_e -> {:error, :badarg}
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end
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end
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end
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