50 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			50 lines
		
	
	
	
		
			1.2 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 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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  alias Pleroma.User
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  @behaviour Pleroma.Web.ActivityPub.MRF
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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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    public = "https://www.w3.org/ns/activitystreams#Public"
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    # Determine visibility
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    visibility =
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      cond do
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        public in object["to"] -> "public"
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        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 = Pleroma.Config.get(:mrf_rejectnonpublic)
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    case visibility do
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      "public" ->
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        {:ok, object}
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      "unlisted" ->
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        {:ok, object}
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      "followers" ->
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        with true <- Keyword.get(policy, :allow_followersonly) do
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          {:ok, object}
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        else
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          _e -> {:reject, nil}
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        end
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      "direct" ->
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        with true <- Keyword.get(policy, :allow_direct) do
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          {:ok, object}
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        else
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          _e -> {:reject, nil}
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        end
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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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end
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