43 lines
1 KiB
Elixir
43 lines
1 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.SubchainPolicy do
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alias Pleroma.Config
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alias Pleroma.Web.ActivityPub.MRF
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require Logger
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@behaviour MRF
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defp lookup_subchain(actor) do
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with matches <- Config.get([:mrf_subchain, :match_actor]),
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{match, subchain} <- Enum.find(matches, fn {k, _v} -> String.match?(actor, k) end) do
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{:ok, match, subchain}
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else
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_e -> {:error, :notfound}
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end
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end
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@impl true
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def filter(%{"actor" => actor} = message) do
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with {:ok, match, subchain} <- lookup_subchain(actor) do
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Logger.debug(
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"[SubchainPolicy] Matched #{actor} against #{inspect(match)} with subchain #{
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inspect(subchain)
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}"
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)
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subchain
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|> MRF.filter(message)
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else
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_e -> {:ok, message}
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end
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end
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@impl true
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def filter(message), do: {:ok, message}
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@impl true
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def describe, do: {:ok, %{}}
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end
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