1 # Pleroma: A lightweight social networking server
2 # Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
3 # SPDX-License-Identifier: AGPL-3.0-only
5 defmodule Pleroma.Workers.PurgeExpiredActivity do
7 Worker which purges expired activity.
10 use Oban.Worker, queue: :activity_expiration, max_attempts: 1, unique: [period: :infinity]
14 alias Pleroma.Activity
16 @spec enqueue(map()) ::
18 | {:error, :expired_activities_disabled}
19 | {:error, :expiration_too_close}
21 with true <- enabled?() do
22 {scheduled_at, args} = Map.pop(args, :expires_at)
25 |> new(scheduled_at: scheduled_at)
31 def perform(%Oban.Job{args: %{"activity_id" => id}}) do
32 with %Activity{} = activity <- find_activity(id),
33 %Pleroma.User{} = user <- find_user(activity.object.data["actor"]) do
34 Pleroma.Web.CommonAPI.delete(activity.id, user)
39 def timeout(_job), do: :timer.seconds(5)
42 with false <- Pleroma.Config.get([__MODULE__, :enabled], false) do
43 {:error, :expired_activities_disabled}
47 defp find_activity(id) do
48 with nil <- Activity.get_by_id_with_object(id) do
49 {:error, :activity_not_found}
53 defp find_user(ap_id) do
54 with nil <- Pleroma.User.get_by_ap_id(ap_id) do
55 {:error, :user_not_found}
59 def get_expiration(id) do
61 where: j.state == "scheduled",
62 where: j.queue == "activity_expiration",
63 where: fragment("?->>'activity_id' = ?", j.args, ^id)
68 @spec expires_late_enough?(DateTime.t()) :: boolean()
69 def expires_late_enough?(scheduled_at) do
70 now = DateTime.utc_now()
71 diff = DateTime.diff(scheduled_at, now, :millisecond)
72 min_lifetime = Pleroma.Config.get([__MODULE__, :min_lifetime], 600)
73 diff > :timer.seconds(min_lifetime)