X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fupload%2Ffilter%2Fexiftool.ex;h=a2bfbbf612c92b590e70558db3329c9a2abeadf3;hb=f930e83fa2a7e2184ca6bd09773d81568e7c755c;hp=833d8cab4fb707934a566b484da10760fa357e7d;hpb=61675938811a8f2121c857f285d31bd4c7ef3336;p=akkoma

diff --git a/lib/pleroma/upload/filter/exiftool.ex b/lib/pleroma/upload/filter/exiftool.ex
index 833d8cab4..a2bfbbf61 100644
--- a/lib/pleroma/upload/filter/exiftool.ex
+++ b/lib/pleroma/upload/filter/exiftool.ex
@@ -1,17 +1,31 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# 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
 
-  @type conversion :: action :: String.t() | {action :: String.t(), opts :: String.t()}
-  @type conversions :: conversion() | [conversion()]
+  @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
-    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, :filtered}
+        {error, 1} -> {:error, error}
+      end
+    rescue
+      e in ErlangError ->
+        {:error, "#{__MODULE__}: #{inspect(e)}"}
+    end
   end
 
-  def filter(_), do: :ok
+  def filter(_), do: {:ok, :noop}
 end