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diff --git a/lib/pleroma/plugs/remote_ip.ex b/lib/pleroma/plugs/remote_ip.ex
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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.RemoteIp do
- @moduledoc """
- This is a shim to call [`RemoteIp`](https://git.pleroma.social/pleroma/remote_ip) but with runtime configuration.
- """
-
- import Plug.Conn
-
- @behaviour Plug
-
- @headers ~w[
- x-forwarded-for
- ]
-
- # https://en.wikipedia.org/wiki/Localhost
- # https://en.wikipedia.org/wiki/Private_network
- @reserved ~w[
- 127.0.0.0/8
- ::1/128
- fc00::/7
- 10.0.0.0/8
- 172.16.0.0/12
- 192.168.0.0/16
- ]
-
- def init(_), do: nil
-
- def call(%{remote_ip: original_remote_ip} = conn, _) do
- config = Pleroma.Config.get(__MODULE__, [])
-
- if Keyword.get(config, :enabled, false) do
- %{remote_ip: new_remote_ip} = conn = RemoteIp.call(conn, remote_ip_opts(config))
- assign(conn, :remote_ip_found, original_remote_ip != new_remote_ip)
- else
- conn
- end
- end
-
- defp remote_ip_opts(config) do
- headers = config |> Keyword.get(:headers, @headers) |> MapSet.new()
- reserved = Keyword.get(config, :reserved, @reserved)
-
- proxies =
- config
- |> Keyword.get(:proxies, [])
- |> Enum.concat(reserved)
- |> Enum.map(&InetCidr.parse/1)
-
- {headers, proxies}
- end
-end