# Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 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 Create activities"
- @behaviour Pleroma.Web.ActivityPub.MRF
+ @behaviour Pleroma.Web.ActivityPub.MRF.Policy
@impl true
def filter(activity) do
activity =
- if activity["type"] == "Create" && local?(activity) do
+ if note?(activity) and local?(activity) do
maybe_add_expiration(activity)
else
activity
@impl true
def describe, do: {:ok, %{}}
- defp local?(%{"id" => id}) do
- String.starts_with?(id, Pleroma.Web.Endpoint.url())
+ defp local?(%{"actor" => actor}) do
+ String.starts_with?(actor, Pleroma.Web.Endpoint.url())
+ end
+
+ defp note?(activity) do
+ match?(%{"type" => "Create", "object" => %{"type" => "Note"}}, activity)
end
defp maybe_add_expiration(activity) do
days = Pleroma.Config.get([:mrf_activity_expiration, :days], 365)
- expires_at = NaiveDateTime.utc_now() |> Timex.shift(days: days)
+ expires_at = DateTime.utc_now() |> Timex.shift(days: days)
with %{"expires_at" => existing_expires_at} <- activity,
- :lt <- NaiveDateTime.compare(existing_expires_at, expires_at) do
+ :lt <- DateTime.compare(existing_expires_at, expires_at) do
activity
else
_ -> Map.put(activity, "expires_at", expires_at)
end
end
+
+ @impl true
+ def config_description do
+ %{
+ key: :mrf_activity_expiration,
+ related_policy: "Pleroma.Web.ActivityPub.MRF.ActivityExpirationPolicy",
+ label: "MRF Activity Expiration Policy",
+ description: "Adds automatic expiration to all local activities",
+ children: [
+ %{
+ key: :days,
+ type: :integer,
+ description: "Default global expiration time for all local activities (in days)",
+ suggestions: [90, 365]
+ }
+ ]
+ }
+ end
end