Show a proper error. A failure doesn't always mean the command isn't available, and...

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

diff --git a/lib/pleroma/upload/filter/exiftool.ex b/lib/pleroma/upload/filter/exiftool.ex
index ea8798fe39ef4d15549843b42aa963ec6ce219cf..a03b32ae4357cb2345d99344dc055538a12c628f 100644 (file)
--- a/lib/pleroma/upload/filter/exiftool.ex
+++ b/lib/pleroma/upload/filter/exiftool.ex
@@ -1,5 +1,5 @@
 # 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
@@ -9,18 +9,22 @@ defmodule Pleroma.Upload.Filter.Exiftool do
   """
   @behaviour Pleroma.Upload.Filter
 
-  @spec filter(Pleroma.Upload.t()) :: :ok | {:error, String.t()}
+  @spec filter(Pleroma.Upload.t()) :: {:ok, any()} | {:error, String.t()}
+
+  # webp is not compatible with exiftool at this time
+  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
+        {_response, 0} -> {:ok, :filtered}
         {error, 1} -> {:error, error}
       end
     rescue
-      _e in ErlangError ->
-        {:error, "exiftool command not found"}
+      e in ErlangError ->
+        {:error, "#{__MODULE__}: #{inspect(e)}"}
     end
   end
 
-  def filter(_), do: :ok
+  def filter(_), do: {:ok, :noop}
 end