# Pleroma: A lightweight social networking server # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/> # SPDX-License-Identifier: AGPL-3.0-only defmodule Pleroma.Instances do @moduledoc "Instances context." @adapter Pleroma.Instances.Instance defdelegate filter_reachable(urls_or_hosts), to: @adapter defdelegate reachable?(url_or_host), to: @adapter defdelegate set_reachable(url_or_host), to: @adapter defdelegate set_unreachable(url_or_host, unreachable_since \\ nil), to: @adapter defdelegate get_consistently_unreachable(), to: @adapter def set_consistently_unreachable(url_or_host), do: set_unreachable(url_or_host, reachability_datetime_threshold()) def reachability_datetime_threshold do federation_reachability_timeout_days = Pleroma.Config.get([:instance, :federation_reachability_timeout_days], 0) if federation_reachability_timeout_days > 0 do NaiveDateTime.add( NaiveDateTime.utc_now(), -federation_reachability_timeout_days * 24 * 3600, :second ) else ~N[0000-01-01 00:00:00] end end def host(url_or_host) when is_binary(url_or_host) do if url_or_host =~ ~r/^http/i do URI.parse(url_or_host).host else url_or_host end end end