51 lines
		
	
	
	
		
			1.4 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			51 lines
		
	
	
	
		
			1.4 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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defmodule Pleroma.Web.ActivityPub.MRF.RejectNonPublic do
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  @moduledoc "Rejects non-public (followers-only, direct) activities"
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  alias Pleroma.Config
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  alias Pleroma.User
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  @behaviour Pleroma.Web.ActivityPub.MRF
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  require Pleroma.Constants
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  @impl true
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  def filter(%{"type" => "Create"} = object) do
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    user = User.get_cached_by_ap_id(object["actor"])
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    # Determine visibility
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    visibility =
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      cond do
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        Pleroma.Constants.as_public() in object["to"] -> "public"
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        Pleroma.Constants.as_public() in object["cc"] -> "unlisted"
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        user.follower_address in object["to"] -> "followers"
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        true -> "direct"
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      end
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    policy = Config.get(:mrf_rejectnonpublic)
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    cond do
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      visibility in ["public", "unlisted"] ->
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        {:ok, object}
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      visibility == "followers" and Keyword.get(policy, :allow_followersonly) ->
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        {:ok, object}
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      visibility == "direct" and Keyword.get(policy, :allow_direct) ->
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        {:ok, object}
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      true ->
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        {:reject, "[RejectNonPublic] visibility: #{visibility}"}
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    end
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  end
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  @impl true
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  def filter(object), do: {:ok, object}
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  @impl true
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  def describe,
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    do: {:ok, %{mrf_rejectnonpublic: Config.get(:mrf_rejectnonpublic) |> Enum.into(%{})}}
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end
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