We really only want to strip location data anyway, and mogrify strips color profiles.stable
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# 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.Upload.Filter.Exiftool do
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@behaviour Pleroma.Upload.Filter
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@type conversion :: action :: String.t() | {action :: String.t(), opts :: String.t()}
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@type conversions :: conversion() | [conversion()]
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def filter(%Pleroma.Upload{tempfile: file, content_type: "image" <> _}) do
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System.cmd("exiftool", ["-overwrite_original", "-gps:all=", file], parallelism: true)
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:ok
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end
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def filter(_), do: :ok
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end
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# 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.Upload.Filter.ExiftoolTest do
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use Pleroma.DataCase
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alias Pleroma.Upload.Filter
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test "apply exiftool filter" do
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File.cp!(
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"test/fixtures/DSCN0010.jpg",
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"test/fixtures/DSCN0010_tmp.jpg"
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)
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upload = %Pleroma.Upload{
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name: "image_with_GPS_data.jpg",
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content_type: "image/jpg",
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path: Path.absname("test/fixtures/DSCN0010.jpg"),
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tempfile: Path.absname("test/fixtures/DSCN0010_tmp.jpg")
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}
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assert Filter.Exiftool.filter(upload) == :ok
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{exif_original, 0} = System.cmd("exiftool", ["test/fixtures/DSCN0010.jpg"])
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{exif_filtered, 0} = System.cmd("exiftool", ["test/fixtures/DSCN0010_tmp.jpg"])
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refute exif_original == exif_filtered
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assert String.match?(exif_original, ~r/GPS/)
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refute String.match?(exif_filtered, ~r/GPS/)
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end
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end
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