+# Pleroma: A lightweight social networking server
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
+# SPDX-License-Identifier: AGPL-3.0-only
+
defmodule Pleroma.Upload.Filter do
@moduledoc """
Upload Filter behaviour
require Logger
- @callback filter(Pleroma.Upload.t()) :: :ok | {:ok, Pleroma.Upload.t()} | {:error, any()}
+ @callback filter(Pleroma.Upload.t()) ::
+ {:ok, :filtered}
+ | {:ok, :noop}
+ | {:ok, :filtered, Pleroma.Upload.t()}
+ | {:error, any()}
@spec filter([module()], Pleroma.Upload.t()) :: {:ok, Pleroma.Upload.t()} | {:error, any()}
def filter([filter | rest], upload) do
case filter.filter(upload) do
- :ok ->
+ {:ok, :filtered} ->
+ filter(rest, upload)
+
+ {:ok, :filtered, upload} ->
filter(rest, upload)
- {:ok, upload} ->
+ {:ok, :noop} ->
filter(rest, upload)
error ->