Remove unused require

[akkoma] / lib / pleroma / upload / filter / exiftool.ex

diff --git a/lib/pleroma/upload/filter/exiftool.ex b/lib/pleroma/upload/filter/exiftool.ex
index 833d8cab4fb707934a566b484da10760fa357e7d..ea8798fe39ef4d15549843b42aa963ec6ce219cf 100644 (file)
--- a/lib/pleroma/upload/filter/exiftool.ex
+++ b/lib/pleroma/upload/filter/exiftool.ex
@@ -3,14 +3,23 @@
 # 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
 
-  @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
-    System.cmd("exiftool", ["-overwrite_original", "-gps:all=", file], parallelism: true)
-    :ok
+    try do
+      case System.cmd("exiftool", ["-overwrite_original", "-gps:all=", file], parallelism: true) do
+        {_response, 0} -> :ok
+        {error, 1} -> {:error, error}
+      end
+    rescue
+      _e in ErlangError ->
+        {:error, "exiftool command not found"}
+    end
   end
 
   def filter(_), do: :ok