+
+ defp check_system_commands!(:ok) do
+ filter_commands_statuses = [
+ check_filter(Pleroma.Upload.Filters.Exiftool, "exiftool"),
+ check_filter(Pleroma.Upload.Filters.Mogrify, "mogrify"),
+ check_filter(Pleroma.Upload.Filters.Mogrifun, "mogrify")
+ ]
+
+ preview_proxy_commands_status =
+ if !Config.get([:media_preview_proxy, :enabled]) or
+ MediaHelper.missing_dependencies() == [] do
+ true
+ else
+ Logger.error(
+ "The following dependencies required by Media preview proxy " <>
+ "(which is currently enabled) are not installed: " <>
+ inspect(MediaHelper.missing_dependencies())
+ )
+
+ false
+ end
+
+ if Enum.all?([preview_proxy_commands_status | filter_commands_statuses], & &1) do
+ :ok
+ else
+ {:error,
+ "System commands missing. Check logs and see `docs/installation` for more details."}
+ end
+ end
+
+ defp check_system_commands!(result), do: result
+
+ defp check_filter(filter, command_required) do
+ filters = Config.get([Pleroma.Upload, :filters])
+
+ if filter in filters and not Pleroma.Utils.command_available?(command_required) do
+ Logger.error(
+ "#{filter} is specified in list of Pleroma.Upload filters, but the " <>
+ "#{command_required} command is not found"
+ )
+
+ false
+ else
+ true
+ end
+ end