exiftool.ex (1091B)
- # Pleroma: A lightweight social networking server
- # Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
- # SPDX-License-Identifier: AGPL-3.0-only
- defmodule Pleroma.Upload.Filter.Exiftool do
- @moduledoc """
- Strips GPS related EXIF tags and overwrites the file in place.
- Also strips or replaces filesystem metadata e.g., timestamps.
- """
- @behaviour Pleroma.Upload.Filter
- @spec filter(Pleroma.Upload.t()) :: {:ok, any()} | {:error, String.t()}
- # Formats not compatible with exiftool at this time
- def filter(%Pleroma.Upload{content_type: "image/heic"}), do: {:ok, :noop}
- def filter(%Pleroma.Upload{content_type: "image/webp"}), do: {:ok, :noop}
- def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _}) do
- try do
- case System.cmd("exiftool", ["-overwrite_original", "-gps:all=", file], parallelism: true) do
- {_response, 0} -> {:ok, :filtered}
- {error, 1} -> {:error, error}
- end
- rescue
- e in ErlangError ->
- {:error, "#{__MODULE__}: #{inspect(e)}"}
- end
- end
- def filter(_), do: {:ok, :noop}
- end