57 lines
1.4 KiB
Elixir
57 lines
1.4 KiB
Elixir
defmodule Pleroma.Web.ActivityPub.MRF.DirectMessageDisabledPolicy do
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@behaviour Pleroma.Web.ActivityPub.MRF.Policy
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alias Pleroma.User
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alias Pleroma.Web.ActivityPub.Visibility
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@moduledoc """
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Removes entries from the "To" field from direct messages if the user has requested to not
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allow direct messages
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"""
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@impl true
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def filter(
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%{
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"type" => "Create",
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"actor" => actor
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} = activity
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) do
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with true <- Visibility.is_direct?(%{data: activity}),
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recipients <- Map.get(activity, "to"),
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sender <- User.get_cached_by_ap_id(actor) do
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new_to =
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Enum.filter(recipients, fn recv ->
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should_filter?(sender, recv)
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end)
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{:ok,
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activity
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|> Map.put("to", new_to)
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|> maybe_replace_object_to(new_to)}
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else
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_ ->
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{:ok, activity}
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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, do: {:ok, %{}}
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defp should_filter?(sender, receiver_ap_id) do
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with %User{local: true} = receiver <- User.get_cached_by_ap_id(receiver_ap_id) do
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User.accepts_direct_messages?(receiver, sender)
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else
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_ -> false
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end
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end
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defp maybe_replace_object_to(%{"object" => %{"to" => _}} = activity, to) do
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Kernel.put_in(activity, ["object", "to"], to)
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end
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defp maybe_replace_object_to(other, _), do: other
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end
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