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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.Web.Plugs.RemoteIpTest do
use ExUnit.Case
use Plug.Test
alias Pleroma.Web.Plugs.RemoteIp
import Pleroma.Tests.Helpers, only: [clear_config: 2]
setup do:
clear_config(RemoteIp,
enabled: true,
headers: ["x-forwarded-for"],
proxies: [],
reserved: [
"127.0.0.0/8",
"::1/128",
"fc00::/7",
"10.0.0.0/8",
"172.16.0.0/12",
"192.168.0.0/16"
]
)
test "disabled" do
Pleroma.Config.put(RemoteIp, enabled: false)
%{remote_ip: remote_ip} = conn(:get, "/")
conn =
conn(:get, "/")
|> put_req_header("x-forwarded-for", "1.1.1.1")
|> RemoteIp.call(nil)
assert conn.remote_ip == remote_ip
end
test "enabled" do
conn =
conn(:get, "/")
|> put_req_header("x-forwarded-for", "1.1.1.1")
|> RemoteIp.call(nil)
assert conn.remote_ip == {1, 1, 1, 1}
end
test "custom headers" do
Pleroma.Config.put(RemoteIp, enabled: true, headers: ["cf-connecting-ip"])
conn =
conn(:get, "/")
|> put_req_header("x-forwarded-for", "1.1.1.1")
|> RemoteIp.call(nil)
refute conn.remote_ip == {1, 1, 1, 1}
conn =
conn(:get, "/")
|> put_req_header("cf-connecting-ip", "1.1.1.1")
|> RemoteIp.call(nil)
assert conn.remote_ip == {1, 1, 1, 1}
end
test "custom proxies" do
conn =
conn(:get, "/")
|> put_req_header("x-forwarded-for", "173.245.48.1, 1.1.1.1, 173.245.48.2")
|> RemoteIp.call(nil)
refute conn.remote_ip == {1, 1, 1, 1}
Pleroma.Config.put([RemoteIp, :proxies], ["173.245.48.0/20"])
conn =
conn(:get, "/")
|> put_req_header("x-forwarded-for", "173.245.48.1, 1.1.1.1, 173.245.48.2")
|> RemoteIp.call(nil)
assert conn.remote_ip == {1, 1, 1, 1}
end
test "proxies set without CIDR format" do
Pleroma.Config.put([RemoteIp, :proxies], ["173.245.48.1"])
conn =
conn(:get, "/")
|> put_req_header("x-forwarded-for", "173.245.48.1, 1.1.1.1")
|> RemoteIp.call(nil)
assert conn.remote_ip == {1, 1, 1, 1}
end
test "proxies set `nonsensical` CIDR" do
Pleroma.Config.put([RemoteIp, :reserved], ["127.0.0.0/8"])
Pleroma.Config.put([RemoteIp, :proxies], ["10.0.0.3/24"])
conn =
conn(:get, "/")
|> put_req_header("x-forwarded-for", "10.0.0.3, 1.1.1.1")
|> RemoteIp.call(nil)
assert conn.remote_ip == {1, 1, 1, 1}
end
end
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