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   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.Http do
   6   @moduledoc false
   7   @behaviour Pleroma.Web.MediaProxy.Invalidation
   8
   9   require Logger
  10
  11   @impl Pleroma.Web.MediaProxy.Invalidation
  12   def purge(urls, opts \\ []) do
  13     method = Keyword.get(opts, :method, :purge)
  14     headers = Keyword.get(opts, :headers, [])
  15     options = Keyword.get(opts, :options, [])
  16
  17     Logger.debug("Running cache purge: #{inspect(urls)}")
  18
  19     Enum.each(urls, fn url ->
  20       with {:error, error} <- do_purge(method, url, headers, options) do
  21         Logger.error("Error while cache purge: url - #{url}, error: #{inspect(error)}")
  22       end
  23     end)
  24
  25     {:ok, urls}
  26   end
  27
  28   defp do_purge(method, url, headers, options) do
  29     case Pleroma.HTTP.request(method, url, "", headers, options) do
  30       {:ok, %{status: status} = env} when 400 <= status and status < 500 ->
  31         {:error, env}
  32
  33       {:error, _} = error ->
  34         error
  35
  36       _ ->
  37         {:ok, "success"}
  38     end
  39   end
  40 end