require 'isolation/abstract_unit' module ApplicationTests class RemoteIpTest < Test::Unit::TestCase include ActiveSupport::Testing::Isolation def setup build_app boot_rails FileUtils.rm_rf "#{app_path}/config/environments" end def app @app ||= Rails.application end def remote_ip(env = {}) remote_ip = nil env = Rack::MockRequest.env_for("/").merge(env).merge!( 'action_dispatch.show_exceptions' => false, 'action_dispatch.secret_token' => 'b3c631c314c0bbca50c1b2843150fe33' ) endpoint = Proc.new do |e| remote_ip = ActionDispatch::Request.new(e).remote_ip [200, {}, ["Hello"]] end Rails.application.middleware.build(endpoint).call(env) remote_ip end test "remote_ip works" do make_basic_app assert_equal "1.1.1.1", remote_ip("REMOTE_ADDR" => "1.1.1.1") end test "checks IP spoofing by default" do make_basic_app assert_raises(ActionDispatch::RemoteIp::IpSpoofAttackError) do remote_ip("HTTP_X_FORWARDED_FOR" => "1.1.1.1", "HTTP_CLIENT_IP" => "1.1.1.2") end end test "can disable IP spoofing check" do make_basic_app do |app| app.config.action_dispatch.ip_spoofing_check = false end assert_nothing_raised(ActionDispatch::RemoteIp::IpSpoofAttackError) do assert_equal "1.1.1.2", remote_ip("HTTP_X_FORWARDED_FOR" => "1.1.1.1", "HTTP_CLIENT_IP" => "1.1.1.2") end end test "the user can set trusted proxies" do make_basic_app do |app| app.config.action_dispatch.trusted_proxies = /^4\.2\.42\.42$/ end assert_equal "1.1.1.1", remote_ip("REMOTE_ADDR" => "4.2.42.42,1.1.1.1") end end end