Co-authored-by: FloatingGhost <hannah@coffee-and-dreams.uk> Reviewed-on: https://akkoma.dev/AkkomaGang/akkoma/pulls/371
		
			
				
	
	
		
			120 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			120 lines
		
	
	
	
		
			2.7 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.Plugs.RemoteIpTest do
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  use ExUnit.Case
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  use Plug.Test
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  alias Pleroma.Web.Plugs.RemoteIp
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  import Pleroma.Tests.Helpers, only: [clear_config: 2]
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  setup do
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    clear_config([RemoteIp, :enabled], true)
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    clear_config([RemoteIp, :headers], ["x-forwarded-for"])
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    clear_config([RemoteIp, :proxies], [])
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    clear_config(
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      [RemoteIp, :reserved],
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      [
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        "127.0.0.0/8",
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        "::1/128",
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        "fc00::/7",
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        "10.0.0.0/8",
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        "172.16.0.0/12",
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        "192.168.0.0/16"
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      ]
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    )
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  end
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  test "disabled" do
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    clear_config([RemoteIp, :enabled], false)
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    %{remote_ip: remote_ip} = conn(:get, "/")
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    conn =
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      :get
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      |> conn("/")
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      |> put_req_header("x-forwarded-for", "1.1.1.1")
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      |> RemoteIp.call(nil)
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    assert conn.remote_ip == remote_ip
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  end
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  test "enabled" do
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    conn =
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      :get
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      |> conn("/")
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      |> put_req_header("x-forwarded-for", "1.1.1.1")
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      |> RemoteIp.call(nil)
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    assert conn.remote_ip == {1, 1, 1, 1}
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  end
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  test "custom headers" do
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    clear_config([RemoteIp, :enabled], true)
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    clear_config([RemoteIp, :headers], ["cf-connecting-ip"])
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    conn =
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      :get
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      |> conn("/")
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      |> put_req_header("x-forwarded-for", "1.1.1.1")
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      |> RemoteIp.call(nil)
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    refute conn.remote_ip == {1, 1, 1, 1}
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    conn =
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      :get
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      |> conn("/")
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      |> put_req_header("cf-connecting-ip", "1.1.1.1")
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      |> RemoteIp.call(nil)
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    assert conn.remote_ip == {1, 1, 1, 1}
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  end
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  test "custom proxies" do
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    conn =
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      :get
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      |> conn("/")
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      |> put_req_header("x-forwarded-for", "173.245.48.1, 1.1.1.1, 173.245.48.2")
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      |> RemoteIp.call(nil)
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    refute conn.remote_ip == {1, 1, 1, 1}
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    clear_config([RemoteIp, :proxies], ["173.245.48.0/20"])
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    conn =
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      :get
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      |> conn("/")
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      |> put_req_header("x-forwarded-for", "173.245.48.1, 1.1.1.1, 173.245.48.2")
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      |> RemoteIp.call(nil)
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    assert conn.remote_ip == {1, 1, 1, 1}
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  end
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  test "proxies set without CIDR format" do
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    clear_config([RemoteIp, :proxies], ["173.245.48.1"])
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    conn =
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      :get
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      |> conn("/")
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      |> put_req_header("x-forwarded-for", "173.245.48.1, 1.1.1.1")
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      |> RemoteIp.call(nil)
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    assert conn.remote_ip == {1, 1, 1, 1}
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  end
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  test "proxies set `nonsensical` CIDR" do
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    clear_config([RemoteIp, :reserved], ["127.0.0.0/8"])
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    clear_config([RemoteIp, :proxies], ["10.0.0.3/24"])
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    conn =
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      :get
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      |> conn("/")
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      |> put_req_header("x-forwarded-for", "10.0.0.3, 1.1.1.1")
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      |> RemoteIp.call(nil)
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    assert conn.remote_ip == {1, 1, 1, 1}
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  end
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end
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