# Pleroma: A lightweight social networking server
-# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Upload.Filter.Mogrify do
@type conversion :: action :: String.t() | {action :: String.t(), opts :: String.t()}
@type conversions :: conversion() | [conversion()]
+ @spec filter(Pleroma.Upload.t()) :: :ok | {:error, String.t()}
def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _}) do
- filters = Pleroma.Config.get!([__MODULE__, :args])
+ try do
+ do_filter(file, Pleroma.Config.get!([__MODULE__, :args]))
+ :ok
+ rescue
+ _e in ErlangError ->
+ {:error, "mogrify command not found"}
+ end
+ end
+
+ def filter(_), do: :ok
+ def do_filter(file, filters) do
file
|> Mogrify.open()
|> mogrify_filter(filters)
|> Mogrify.save(in_place: true)
-
- :ok
end
- def filter(_), do: :ok
-
defp mogrify_filter(mogrify, nil), do: mogrify
defp mogrify_filter(mogrify, [filter | rest]) do