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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 teardown
teardown_app
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 "works with both headers individually" do
make_basic_app
assert_nothing_raised(ActionDispatch::RemoteIp::IpSpoofAttackError) do
assert_equal "1.1.1.1", remote_ip("HTTP_X_FORWARDED_FOR" => "1.1.1.1")
end
assert_nothing_raised(ActionDispatch::RemoteIp::IpSpoofAttackError) do
assert_equal "1.1.1.2", remote_ip("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
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