36 lines
1018 B
Elixir
36 lines
1018 B
Elixir
|
# Pleroma: A lightweight social networking server
|
||
|
|
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
|
||
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
||
|
|
|
||
|
|
defmodule Pleroma.Web.ActivityPub.MRF.ActivityExpirationPolicy do
|
||
|
|
@moduledoc "Adds expiration to all local activities"
|
||
|
|
@behaviour Pleroma.Web.ActivityPub.MRF
|
||
|
|
|
||
|
|
@impl true
|
||
|
|
def filter(%{"id" => id} = activity) do
|
||
|
|
activity =
|
||
|
|
if String.starts_with?(id, Pleroma.Web.Endpoint.url()) do
|
||
|
|
maybe_add_expiration(activity)
|
||
|
|
else
|
||
|
|
activity
|
||
|
|
end
|
||
|
|
|
||
|
|
{:ok, activity}
|
||
|
|
end
|
||
|
|
|
||
|
|
@impl true
|
||
|
|
def describe, do: {:ok, %{}}
|
||
|
|
|
||
|
|
defp maybe_add_expiration(activity) do
|
||
|
|
days = Pleroma.Config.get([:mrf_activity_expiration, :days], 365)
|
||
|
|
expires_at = NaiveDateTime.utc_now() |> Timex.shift(days: days)
|
||
|
|
|
||
|
|
with %{"expires_at" => existing_expires_at} <- activity,
|
||
|
|
:lt <- NaiveDateTime.compare(existing_expires_at, expires_at) do
|
||
|
|
activity
|
||
|
|
else
|
||
|
|
_ -> Map.put(activity, "expires_at", expires_at)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|