37 lines
1.2 KiB
Elixir
37 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.VocabularyPolicy do
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@moduledoc "Filter messages which belong to certain activity vocabularies"
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@behaviour Pleroma.Web.ActivityPub.MRF
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def filter(%{"type" => "Undo", "object" => child_message} = message) do
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with {:ok, _} <- filter(child_message) do
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{:ok, message}
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else
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{:reject, nil} ->
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{:reject, nil}
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end
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end
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def filter(%{"type" => message_type} = message) do
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with accepted_vocabulary <- Pleroma.Config.get([:mrf_vocabulary, :accept]),
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rejected_vocabulary <- Pleroma.Config.get([:mrf_vocabulary, :reject]),
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true <-
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length(accepted_vocabulary) == 0 || Enum.member?(accepted_vocabulary, message_type),
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false <-
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length(rejected_vocabulary) > 0 && Enum.member?(rejected_vocabulary, message_type),
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{:ok, _} <- filter(message["object"]) do
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{:ok, message}
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else
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_ -> {:reject, nil}
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end
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end
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def filter(message), do: {:ok, message}
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def describe, do: {:ok, %{mrf_vocabulary: Pleroma.Config.get(:mrf_vocabulary)}}
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end
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