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-# Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
-# SPDX-License-Identifier: AGPL-3.0-only
-
-defmodule Pleroma.Plugs.PlugHelper do
- @moduledoc "Pleroma Plug helper"
-
- @called_plugs_list_id :called_plugs
- def called_plugs_list_id, do: @called_plugs_list_id
-
- @skipped_plugs_list_id :skipped_plugs
- def skipped_plugs_list_id, do: @skipped_plugs_list_id
-
- @doc "Returns `true` if specified plug was called."
- def plug_called?(conn, plug_module) do
- contained_in_private_list?(conn, @called_plugs_list_id, plug_module)
- end
-
- @doc "Returns `true` if specified plug was explicitly marked as skipped."
- def plug_skipped?(conn, plug_module) do
- contained_in_private_list?(conn, @skipped_plugs_list_id, plug_module)
- end
-
- @doc "Returns `true` if specified plug was either called or explicitly marked as skipped."
- def plug_called_or_skipped?(conn, plug_module) do
- plug_called?(conn, plug_module) || plug_skipped?(conn, plug_module)
- end
-
- # Appends plug to known list (skipped, called). Intended to be used from within plug code only.
- def append_to_private_list(conn, list_id, value) do
- list = conn.private[list_id] || []
- modified_list = Enum.uniq(list ++ [value])
- Plug.Conn.put_private(conn, list_id, modified_list)
- end
-
- defp contained_in_private_list?(conn, private_variable, value) do
- list = conn.private[private_variable] || []
- value in list
- end
-end