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# frozen_string_literal: true
require_relative 'spec_helper'
describe 'Rack::Attack' do
it_allows_ok_requests
describe 'normalizing paths' do
before do
Rack::Attack.blocklist("banned_path") { |req| req.path == '/foo' }
end
it 'blocks requests with trailing slash' do
if Rack::Attack::PathNormalizer == Rack::Attack::FallbackPathNormalizer
skip "Normalization is only present on Rails"
end
get '/foo/'
_(last_response.status).must_equal 403
end
end
describe 'blocklist' do
before do
@bad_ip = '1.2.3.4'
Rack::Attack.blocklist("ip #{@bad_ip}") { |req| req.ip == @bad_ip }
end
it 'has a blocklist' do
_(Rack::Attack.blocklists.key?("ip #{@bad_ip}")).must_equal true
end
describe "a bad request" do
before { get '/', {}, 'REMOTE_ADDR' => @bad_ip }
it "should return a blocklist response" do
_(last_response.status).must_equal 403
_(last_response.body).must_equal "Forbidden\n"
end
it "should tag the env" do
_(last_request.env['rack.attack.matched']).must_equal "ip #{@bad_ip}"
_(last_request.env['rack.attack.match_type']).must_equal :blocklist
end
it_allows_ok_requests
end
describe "and safelist" do
before do
@good_ua = 'GoodUA'
Rack::Attack.safelist("good ua") { |req| req.user_agent == @good_ua }
end
it('has a safelist') { Rack::Attack.safelists.key?("good ua") }
describe "with a request match both safelist & blocklist" do
before { get '/', {}, 'REMOTE_ADDR' => @bad_ip, 'HTTP_USER_AGENT' => @good_ua }
it "should allow safelists before blocklists" do
_(last_response.status).must_equal 200
end
it "should tag the env" do
_(last_request.env['rack.attack.matched']).must_equal 'good ua'
_(last_request.env['rack.attack.match_type']).must_equal :safelist
end
end
end
describe '#blocklisted_responder' do
it 'should exist' do
_(Rack::Attack.blocklisted_responder).must_respond_to :call
end
end
describe '#throttled_responder' do
it 'should exist' do
_(Rack::Attack.throttled_responder).must_respond_to :call
end
end
end
describe 'enabled' do
it 'should be enabled by default' do
_(Rack::Attack.enabled).must_equal true
end
it 'should directly pass request when disabled' do
bad_ip = '1.2.3.4'
Rack::Attack.blocklist("ip #{bad_ip}") { |req| req.ip == bad_ip }
get '/', {}, 'REMOTE_ADDR' => bad_ip
_(last_response.status).must_equal 403
prev_enabled = Rack::Attack.enabled
begin
Rack::Attack.enabled = false
get '/', {}, 'REMOTE_ADDR' => bad_ip
_(last_response.status).must_equal 200
ensure
Rack::Attack.enabled = prev_enabled
end
end
end
describe 'reset!' do
it 'raises an error when is not supported by cache store' do
Rack::Attack.cache.store = Class.new
assert_raises(Rack::Attack::IncompatibleStoreError) do
Rack::Attack.reset!
end
end
if defined?(Redis)
it 'should delete rack attack keys' do
redis = Redis.new
redis.set('key', 'value')
redis.set("#{Rack::Attack.cache.prefix}::key", 'value')
Rack::Attack.cache.store = redis
Rack::Attack.reset!
_(redis.get('key')).must_equal 'value'
_(redis.get("#{Rack::Attack.cache.prefix}::key")).must_be_nil
end
end
end
end
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