60 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			60 lines
		
	
	
	
		
			1.9 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
| # Pleroma: A lightweight social networking server
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| # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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| # SPDX-License-Identifier: AGPL-3.0-only
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| 
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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.ActivityPub
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|   alias Pleroma.Web.ActivityPub.MRF
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|   alias Pleroma.Web.ActivityPub.ObjectValidator
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|   alias Pleroma.Web.ActivityPub.SideEffects
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|   alias Pleroma.Web.Federator
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| 
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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, value} ->
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|         value
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| 
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|       {:error, e} ->
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|         {:error, e}
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|     end
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|   end
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| 
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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, ObjectValidator.validate(object, meta)},
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|          {_, {:ok, mrfd_object}} <- {:mrf_object, MRF.filter(validated_object)},
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|          {_, {:ok, activity, meta}} <-
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|            {:persist_object, ActivityPub.persist(mrfd_object, meta)},
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|          {_, {:ok, activity, meta}} <-
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|            {:execute_side_effects, SideEffects.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, _}} -> {:ok, nil, meta}
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|       e -> {:error, e}
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|     end
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|   end
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| 
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|   defp maybe_federate(%Object{}, _), do: {:ok, :not_federated}
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| 
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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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| 
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|       if !do_not_federate && local do
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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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