59 lines
1.5 KiB
Elixir
59 lines
1.5 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.ActivityPub.MRF.MediaProxyWarmingPolicy do
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@moduledoc "Preloads any attachments in the MediaProxy cache by prefetching them"
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@behaviour Pleroma.Web.ActivityPub.MRF
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alias Pleroma.HTTP
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alias Pleroma.Web.MediaProxy
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require Logger
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@hackney_options [
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pool: :media,
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recv_timeout: 10_000
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]
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def perform(:prefetch, url) do
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Logger.info("Prefetching #{inspect(url)}")
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url
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|> MediaProxy.url()
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|> HTTP.get([], adapter: @hackney_options)
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end
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def perform(:preload, %{"object" => %{"attachment" => attachments}} = _message) do
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Enum.each(attachments, fn
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%{"url" => url} when is_list(url) ->
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url
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|> Enum.each(fn
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%{"href" => href} ->
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PleromaJobQueue.enqueue(:background, __MODULE__, [:prefetch, href])
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x ->
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Logger.debug("Unhandled attachment URL object #{inspect(x)}")
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end)
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x ->
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Logger.debug("Unhandled attachment #{inspect(x)}")
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end)
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end
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@impl true
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def filter(
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%{"type" => "Create", "object" => %{"attachment" => attachments} = _object} = message
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)
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when is_list(attachments) and length(attachments) > 0 do
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PleromaJobQueue.enqueue(:background, __MODULE__, [:preload, message])
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{:ok, message}
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end
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@impl true
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def filter(message), do: {:ok, message}
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@impl true
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def describe, do: {:ok, %{}}
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end
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