git.squeep.com Git - akkoma/blob - lib/pleroma/web/media_proxy/invalidation.ex

   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.MediaProxy.Invalidation do
   6   @moduledoc false
   7
   8   @callback purge(list(String.t()), Keyword.t()) :: {:ok, list(String.t())} | {:error, String.t()}
   9
  10   alias Pleroma.Config
  11   alias Pleroma.Web.MediaProxy
  12
  13   @spec enabled?() :: boolean()
  14   def enabled?, do: Config.get([:media_proxy, :invalidation, :enabled])
  15
  16   @spec purge(list(String.t()) | String.t()) :: {:ok, list(String.t())} | {:error, String.t()}
  17   def purge(urls) do
  18     prepared_urls = prepare_urls(urls)
  19
  20     if enabled?() do
  21       do_purge(prepared_urls)
  22     else
  23       {:ok, prepared_urls}
  24     end
  25   end
  26
  27   defp do_purge(urls) do
  28     provider = Config.get([:media_proxy, :invalidation, :provider])
  29     options = Config.get(provider)
  30     provider.purge(urls, options)
  31   end
  32
  33   def prepare_urls(urls) do
  34     urls
  35     |> List.wrap()
  36     |> Enum.map(&MediaProxy.url/1)
  37   end
  38 end