107 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			107 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Ruby
		
	
	
	
# frozen_string_literal: true
 | 
						|
 | 
						|
require 'rails_helper'
 | 
						|
 | 
						|
describe Rack::Attack, type: :request do
 | 
						|
  def app
 | 
						|
    Rails.application
 | 
						|
  end
 | 
						|
 | 
						|
  shared_examples 'throttled endpoint' do
 | 
						|
    before do
 | 
						|
      # Rack::Attack periods are not rolling, so avoid flaky tests by setting the time in a way
 | 
						|
      # to avoid crossing period boundaries.
 | 
						|
 | 
						|
      # The code Rack::Attack uses to set periods is the following:
 | 
						|
      # https://github.com/rack/rack-attack/blob/v6.6.1/lib/rack/attack/cache.rb#L64-L66
 | 
						|
      # So we want to minimize `Time.now.to_i % period`
 | 
						|
 | 
						|
      travel_to Time.zone.at((Time.now.to_i / period.seconds).to_i * period.seconds)
 | 
						|
    end
 | 
						|
 | 
						|
    context 'when the number of requests is lower than the limit' do
 | 
						|
      it 'does not change the request status' do
 | 
						|
        limit.times do
 | 
						|
          request.call
 | 
						|
          expect(response).to_not have_http_status(429)
 | 
						|
        end
 | 
						|
      end
 | 
						|
    end
 | 
						|
 | 
						|
    context 'when the number of requests is higher than the limit' do
 | 
						|
      it 'returns http too many requests after limit and returns to normal status after period' do
 | 
						|
        (limit * 2).times do |i|
 | 
						|
          request.call
 | 
						|
          expect(response).to have_http_status(429) if i > limit
 | 
						|
        end
 | 
						|
 | 
						|
        travel period
 | 
						|
 | 
						|
        request.call
 | 
						|
        expect(response).to_not have_http_status(429)
 | 
						|
      end
 | 
						|
    end
 | 
						|
  end
 | 
						|
 | 
						|
  let(:remote_ip) { '1.2.3.5' }
 | 
						|
 | 
						|
  describe 'throttle excessive sign-up requests by IP address' do
 | 
						|
    context 'when accessed through the website' do
 | 
						|
      let(:limit)  { 25 }
 | 
						|
      let(:period) { 5.minutes }
 | 
						|
      let(:request) { -> { post path, headers: { 'REMOTE_ADDR' => remote_ip } } }
 | 
						|
 | 
						|
      context 'with exact path' do
 | 
						|
        let(:path) { '/auth' }
 | 
						|
 | 
						|
        it_behaves_like 'throttled endpoint'
 | 
						|
      end
 | 
						|
 | 
						|
      context 'with path with format' do
 | 
						|
        let(:path) { '/auth.html' }
 | 
						|
 | 
						|
        it_behaves_like 'throttled endpoint'
 | 
						|
      end
 | 
						|
    end
 | 
						|
 | 
						|
    context 'when accessed through the API' do
 | 
						|
      let(:limit)  { 5 }
 | 
						|
      let(:period) { 30.minutes }
 | 
						|
      let(:request) { -> { post path, headers: { 'REMOTE_ADDR' => remote_ip } } }
 | 
						|
 | 
						|
      context 'with exact path' do
 | 
						|
        let(:path) { '/api/v1/accounts' }
 | 
						|
 | 
						|
        it_behaves_like 'throttled endpoint'
 | 
						|
      end
 | 
						|
 | 
						|
      context 'with path with format' do
 | 
						|
        let(:path)  { '/api/v1/accounts.json' }
 | 
						|
 | 
						|
        it 'returns http not found' do
 | 
						|
          request.call
 | 
						|
          expect(response).to have_http_status(404)
 | 
						|
        end
 | 
						|
      end
 | 
						|
    end
 | 
						|
  end
 | 
						|
 | 
						|
  describe 'throttle excessive sign-in requests by IP address' do
 | 
						|
    let(:limit)  { 25 }
 | 
						|
    let(:period) { 5.minutes }
 | 
						|
    let(:request) { -> { post path, headers: { 'REMOTE_ADDR' => remote_ip } } }
 | 
						|
 | 
						|
    context 'with exact path' do
 | 
						|
      let(:path) { '/auth/sign_in' }
 | 
						|
 | 
						|
      it_behaves_like 'throttled endpoint'
 | 
						|
    end
 | 
						|
 | 
						|
    context 'with path with format' do
 | 
						|
      let(:path) { '/auth/sign_in.html' }
 | 
						|
 | 
						|
      it_behaves_like 'throttled endpoint'
 | 
						|
    end
 | 
						|
  end
 | 
						|
end
 |