75 lines
1.9 KiB
Elixir
75 lines
1.9 KiB
Elixir
# Pleroma: A lightweight social networking server
|
|
# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
defmodule Pleroma.Workers.PurgeExpiredActivity do
|
|
@moduledoc """
|
|
Worker which purges expired activity.
|
|
"""
|
|
|
|
use Pleroma.Workers.WorkerHelper,
|
|
queue: "activity_expiration",
|
|
max_attempts: 1,
|
|
unique: [period: :infinity]
|
|
|
|
import Ecto.Query
|
|
|
|
alias Pleroma.Activity
|
|
|
|
def schedule(args) do
|
|
with true <- enabled?() do
|
|
{scheduled_at, args} = Map.pop(args, :expires_at)
|
|
|
|
enqueue("delete", args, scheduled_at: scheduled_at)
|
|
end
|
|
end
|
|
|
|
@impl Oban.Worker
|
|
def timeout(_job) do
|
|
Pleroma.Config.get([:workers, :timeout, :activity_expiration], :timer.minutes(1))
|
|
end
|
|
|
|
@impl true
|
|
def perform(%Oban.Job{args: %{"activity_id" => id}}) do
|
|
with %Activity{} = activity <- find_activity(id),
|
|
%Pleroma.User{} = user <- find_user(activity.object.data["actor"]) do
|
|
Pleroma.Web.CommonAPI.delete(activity.id, user)
|
|
end
|
|
end
|
|
|
|
defp enabled? do
|
|
with false <- Pleroma.Config.get([__MODULE__, :enabled], false) do
|
|
{:error, :expired_activities_disabled}
|
|
end
|
|
end
|
|
|
|
defp find_activity(id) do
|
|
with nil <- Activity.get_by_id_with_object(id) do
|
|
{:error, :activity_not_found}
|
|
end
|
|
end
|
|
|
|
defp find_user(ap_id) do
|
|
with nil <- Pleroma.User.get_by_ap_id(ap_id) do
|
|
{:error, :user_not_found}
|
|
end
|
|
end
|
|
|
|
def get_expiration(id) do
|
|
from(j in Oban.Job,
|
|
where: j.state == "scheduled",
|
|
where: j.queue == "activity_expiration",
|
|
where: fragment("?->>'activity_id' = ?", j.args, ^id)
|
|
)
|
|
|> Pleroma.Repo.one()
|
|
end
|
|
|
|
@spec expires_late_enough?(DateTime.t()) :: boolean()
|
|
def expires_late_enough?(scheduled_at) do
|
|
now = DateTime.utc_now()
|
|
diff = DateTime.diff(scheduled_at, now, :millisecond)
|
|
min_lifetime = Pleroma.Config.get([__MODULE__, :min_lifetime], 600)
|
|
diff > :timer.seconds(min_lifetime)
|
|
end
|
|
end
|