akkoma/lib/pleroma/web/activity_pub/mrf/hellthread_policy.ex

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# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.ActivityPub.MRF.HellthreadPolicy do
@behaviour Pleroma.Web.ActivityPub.MRF
@impl true
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def filter(%{"type" => "Create"} = object) do
threshold = Pleroma.Config.get([:mrf_hellthread, :threshold])
recipients = (object["to"] || []) ++ (object["cc"] || [])
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if length(recipients) > threshold do
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{:reject, nil}
else
{:ok, object}
end
end
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@impl true
def filter(object), do: {:ok, object}
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end