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