43 lines
		
	
	
	
		
			1.1 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			43 lines
		
	
	
	
		
			1.1 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.MediaProxy.Invalidation.Script do
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  @moduledoc false
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  @behaviour Pleroma.Web.MediaProxy.Invalidation
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  require Logger
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  @impl Pleroma.Web.MediaProxy.Invalidation
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  def purge(urls, opts \\ []) do
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    args =
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      urls
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      |> List.wrap()
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      |> Enum.uniq()
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      |> Enum.join(" ")
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    opts
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    |> Keyword.get(:script_path)
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    |> do_purge([args])
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    |> handle_result(urls)
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  end
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  defp do_purge(script_path, args) when is_binary(script_path) do
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    path = Path.expand(script_path)
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    Logger.debug("Running cache purge: #{inspect(args)}, #{inspect(path)}")
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    System.cmd(path, args)
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  rescue
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    error -> error
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  end
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  defp do_purge(_, _), do: {:error, "not found script path"}
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  defp handle_result({_result, 0}, urls), do: {:ok, urls}
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  defp handle_result({:error, error}, urls), do: handle_result(error, urls)
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  defp handle_result(error, _) do
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    Logger.error("Error while cache purge: #{inspect(error)}")
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    {:error, inspect(error)}
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  end
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end
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