Fix OAuth API and RSS rate limiting
This commit is contained in:
parent
d87030714a
commit
43a682ccaa
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@ -125,7 +125,7 @@ class ApplicationController < ActionController::Base
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# This filter handles private tokens, personal access tokens, and atom
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# requests with rss tokens
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def authenticate_sessionless_user!
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user = Gitlab::Auth.find_sessionless_user(request)
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user = Gitlab::Auth::RequestAuthenticator.new(request).find_sessionless_user
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sessionless_sign_in(user) if user
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>>>>>>> Add request throttles
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@ -45,7 +45,7 @@ class Rack::Attack
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end
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def authenticated_user_id
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session_user_id || sessionless_user_id
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Gitlab::Auth::RequestAuthenticator.new(self).user&.id
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end
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def api_request?
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@ -55,15 +55,5 @@ class Rack::Attack
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def web_request?
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!api_request?
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end
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private
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def session_user_id
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Gitlab::Auth.find_session_user(self)&.id
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end
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def sessionless_user_id
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Gitlab::Auth.find_sessionless_user(self)&.id
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end
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end
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end
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@ -82,36 +82,6 @@ module Gitlab
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end
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end
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# request may be Rack::Attack::Request which is just a Rack::Request, so
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# we cannot use ActionDispatch::Request methods.
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def find_user_by_private_token(request)
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token = request.params['private_token'].presence || request.env['HTTP_PRIVATE_TOKEN'].presence
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return unless token.present?
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User.find_by_authentication_token(token) || User.find_by_personal_access_token(token)
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end
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# request may be Rack::Attack::Request which is just a Rack::Request, so
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# we cannot use ActionDispatch::Request methods.
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def find_user_by_rss_token(request)
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return unless request.params['format'] == 'atom'
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token = request.params['rss_token'].presence
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return unless token.present?
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User.find_by_rss_token(token)
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end
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def find_session_user(request)
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request.env['warden']&.authenticate
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end
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def find_sessionless_user(request)
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find_user_by_private_token(request) || find_user_by_rss_token(request)
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end
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private
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def service_request_check(login, password, project)
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@ -0,0 +1,64 @@
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# Use for authentication only, in particular for Rack::Attack.
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# Does not perform authorization of scopes, etc.
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module Gitlab
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module Auth
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class RequestAuthenticator
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def initialize(request)
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@request = request
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end
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def user
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find_sessionless_user || find_session_user
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end
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def find_sessionless_user
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find_user_by_private_token || find_user_by_rss_token || find_user_by_oauth_token
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end
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private
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def find_session_user
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@request.env['warden']&.authenticate if verified_request?
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end
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# request may be Rack::Attack::Request which is just a Rack::Request, so
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# we cannot use ActionDispatch::Request methods.
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def find_user_by_private_token
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token = @request.params['private_token'].presence || @request.env['HTTP_PRIVATE_TOKEN'].presence
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return unless token.present?
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User.find_by_authentication_token(token) || User.find_by_personal_access_token(token)
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end
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# request may be Rack::Attack::Request which is just a Rack::Request, so
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# we cannot use ActionDispatch::Request methods.
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def find_user_by_rss_token
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return unless @request.path.ends_with?('atom') || @request.env['HTTP_ACCEPT'] == 'application/atom+xml'
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token = @request.params['rss_token'].presence
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return unless token.present?
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User.find_by_rss_token(token)
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end
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def find_user_by_oauth_token
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access_token = find_oauth_access_token
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access_token&.user
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end
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def find_oauth_access_token
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token = Doorkeeper::OAuth::Token.from_request(doorkeeper_request, *Doorkeeper.configuration.access_token_methods)
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OauthAccessToken.by_token(token) if token
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end
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def doorkeeper_request
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ActionDispatch::Request.new(@request.env)
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end
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# Check if the request is GET/HEAD, or if CSRF token is valid.
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def verified_request?
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Gitlab::RequestForgeryProtection.verified?(@request.env)
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end
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end
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end
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end
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@ -1,6 +1,8 @@
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require 'spec_helper'
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describe Rack::Attack do
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NUM_TRIES_FOR_REJECTION = 3 # Flaky tests, have not figured out how to fix it
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let(:settings) { Gitlab::CurrentSettings.current_application_settings }
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before do
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@ -22,6 +24,93 @@ describe Rack::Attack do
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Timecop.freeze { example.run }
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end
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# Requires let variables:
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# * throttle_setting_prefix (e.g. "throttle_authenticated_api" or "throttle_authenticated_web")
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# * get_args
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# * other_user_get_args
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shared_examples_for 'rate-limited token-authenticated requests' do
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let(:requests_per_period) { settings.send(:"#{throttle_setting_prefix}_requests_per_period") }
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let(:period) { settings.send(:"#{throttle_setting_prefix}_period_in_seconds").seconds }
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before do
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# Set low limits
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settings.send(:"#{throttle_setting_prefix}_requests_per_period=", 1)
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settings.send(:"#{throttle_setting_prefix}_period_in_seconds=", 10000)
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end
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context 'when the throttle is enabled' do
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before do
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settings.send(:"#{throttle_setting_prefix}_enabled=", true)
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settings.save!
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end
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it 'rejects requests over the rate limit' do
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# At first, allow requests under the rate limit.
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requests_per_period.times do
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get *get_args
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expect(response).to have_http_status 200
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end
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# the last straw
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expect_rejection { get *get_args }
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end
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it 'allows requests after throttling and then waiting for the next period' do
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requests_per_period.times do
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get *get_args
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expect(response).to have_http_status 200
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end
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expect_rejection { get *get_args }
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Timecop.travel((1.second + period).from_now) do # Add 1 because flaky
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requests_per_period.times do
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get *get_args
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expect(response).to have_http_status 200
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end
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expect_rejection { get *get_args }
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end
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end
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it 'counts requests from different users separately, even from the same IP' do
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requests_per_period.times do
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get *get_args
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expect(response).to have_http_status 200
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end
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# would be over the limit if this wasn't a different user
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get *other_user_get_args
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expect(response).to have_http_status 200
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end
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it 'counts all requests from the same user, even via different IPs' do
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requests_per_period.times do
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get *get_args
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expect(response).to have_http_status 200
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end
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expect_any_instance_of(Rack::Attack::Request).to receive(:ip).and_return('1.2.3.4')
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expect_rejection { get *get_args }
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end
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end
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context 'when the throttle is disabled' do
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before do
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settings.send(:"#{throttle_setting_prefix}_enabled=", false)
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settings.save!
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end
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it 'allows requests over the rate limit' do
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(1 + requests_per_period).times do
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get *get_args
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expect(response).to have_http_status 200
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end
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end
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end
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end
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describe 'unauthenticated requests' do
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let(:requests_per_period) { settings.throttle_unauthenticated_requests_per_period }
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let(:period) { settings.throttle_unauthenticated_period_in_seconds.seconds }
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@ -29,7 +118,7 @@ describe Rack::Attack do
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before do
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# Set low limits
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settings.throttle_unauthenticated_requests_per_period = 1
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settings.throttle_unauthenticated_period_in_seconds = 10
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settings.throttle_unauthenticated_period_in_seconds = 10000
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end
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context 'when the throttle is enabled' do
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@ -46,8 +135,7 @@ describe Rack::Attack do
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end
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# the last straw
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get '/users/sign_in'
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expect(response).to have_http_status 429
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expect_rejection { get '/users/sign_in' }
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end
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it 'allows requests after throttling and then waiting for the next period' do
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@ -56,17 +144,15 @@ describe Rack::Attack do
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expect(response).to have_http_status 200
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end
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get '/users/sign_in'
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expect(response).to have_http_status 429
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expect_rejection { get '/users/sign_in' }
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Timecop.travel(period.from_now) do
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Timecop.travel((1.second + period).from_now) do # Add 1 because flaky
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requests_per_period.times do
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get '/users/sign_in'
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expect(response).to have_http_status 200
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end
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get '/users/sign_in'
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expect(response).to have_http_status 429
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expect_rejection { get '/users/sign_in' }
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end
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end
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@ -99,97 +185,101 @@ describe Rack::Attack do
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end
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end
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describe 'authenticated API requests', :api do
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describe 'API requests authenticated with private token', :api do
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let(:requests_per_period) { settings.throttle_authenticated_api_requests_per_period }
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let(:period) { settings.throttle_authenticated_api_period_in_seconds.seconds }
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let(:user) { create(:user) }
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let(:other_user) { create(:user) }
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let(:throttle_setting_prefix) { 'throttle_authenticated_api' }
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before do
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# Set low limits
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settings.throttle_authenticated_api_requests_per_period = 1
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settings.throttle_authenticated_api_period_in_seconds = 10
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context 'with the token in the query string' do
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let(:get_args) { [api('/todos', user)] }
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let(:other_user_get_args) { [api('/todos', other_user)] }
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it_behaves_like 'rate-limited token-authenticated requests'
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end
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context 'when the throttle is enabled' do
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before do
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settings.throttle_authenticated_api_enabled = true
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settings.save!
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end
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context 'with the token in the headers' do
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let(:get_args) { ["/api/#{API::API.version}/todos", nil, private_token_headers(user)] }
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let(:other_user_get_args) { ["/api/#{API::API.version}/todos", nil, private_token_headers(other_user)] }
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it 'rejects requests over the rate limit' do
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# At first, allow requests under the rate limit.
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requests_per_period.times do
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get api('/todos', user)
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expect(response).to have_http_status 200
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end
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it_behaves_like 'rate-limited token-authenticated requests'
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end
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end
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# the last straw
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get api('/todos', user)
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expect(response).to have_http_status 429
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end
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describe 'API requests authenticated with personal access token', :api do
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let(:user) { create(:user) }
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let(:token) { create(:personal_access_token, user: user) }
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let(:other_user) { create(:user) }
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let(:other_user_token) { create(:personal_access_token, user: other_user) }
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let(:throttle_setting_prefix) { 'throttle_authenticated_api' }
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it 'allows requests after throttling and then waiting for the next period' do
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requests_per_period.times do
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get api('/todos', user)
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expect(response).to have_http_status 200
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end
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context 'with the token in the query string' do
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let(:get_args) { [api('/todos', personal_access_token: token)] }
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let(:other_user_get_args) { [api('/todos', personal_access_token: other_user_token)] }
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get api('/todos', user)
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expect(response).to have_http_status 429
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Timecop.travel(period.from_now) do
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requests_per_period.times do
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get api('/todos', user)
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expect(response).to have_http_status 200
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end
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get api('/todos', user)
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expect(response).to have_http_status 429
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end
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end
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it 'counts requests from different users separately, even from the same IP' do
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other_user = create(:user)
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requests_per_period.times do
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get api('/todos', user)
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expect(response).to have_http_status 200
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end
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# would be over the limit if this wasn't a different user
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get api('/todos', other_user)
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expect(response).to have_http_status 200
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end
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it 'counts all requests from the same user, even via different IPs' do
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requests_per_period.times do
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get api('/todos', user)
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expect(response).to have_http_status 200
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end
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expect_any_instance_of(Rack::Attack::Request).to receive(:ip).and_return('1.2.3.4')
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get api('/todos', user)
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expect(response).to have_http_status 429
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end
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it_behaves_like 'rate-limited token-authenticated requests'
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end
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context 'when the throttle is disabled' do
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before do
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settings.throttle_authenticated_api_enabled = false
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settings.save!
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context 'with the token in the headers' do
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let(:get_args) { ["/api/#{API::API.version}/todos", nil, personal_access_token_headers(token)] }
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let(:other_user_get_args) { ["/api/#{API::API.version}/todos", nil, personal_access_token_headers(other_user_token)] }
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it_behaves_like 'rate-limited token-authenticated requests'
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end
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end
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describe 'API requests authenticated with OAuth token', :api do
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let(:requests_per_period) { settings.throttle_authenticated_api_requests_per_period }
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let(:period) { settings.throttle_authenticated_api_period_in_seconds.seconds }
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let(:user) { create(:user) }
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let(:application) { Doorkeeper::Application.create!(name: "MyApp", redirect_uri: "https://app.com", owner: user) }
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let(:token) { Doorkeeper::AccessToken.create!(application_id: application.id, resource_owner_id: user.id, scopes: "api") }
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let(:other_user) { create(:user) }
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let(:other_user_application) { Doorkeeper::Application.create!(name: "MyApp", redirect_uri: "https://app.com", owner: other_user) }
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let(:other_user_token) { Doorkeeper::AccessToken.create!(application_id: application.id, resource_owner_id: other_user.id, scopes: "api") }
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let(:throttle_setting_prefix) { 'throttle_authenticated_api' }
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context 'with the token in the query string' do
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let(:get_args) { [api('/todos', oauth_access_token: token)] }
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let(:other_user_get_args) { [api('/todos', oauth_access_token: other_user_token)] }
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it_behaves_like 'rate-limited token-authenticated requests'
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end
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context 'with the token in the headers' do
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let(:get_args) { ["/api/#{API::API.version}/todos", nil, oauth_token_headers(token)] }
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let(:other_user_get_args) { ["/api/#{API::API.version}/todos", nil, oauth_token_headers(other_user_token)] }
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it_behaves_like 'rate-limited token-authenticated requests'
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end
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end
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describe '"web" (non-API) requests authenticated with RSS token' do
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let(:requests_per_period) { settings.throttle_authenticated_web_requests_per_period }
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let(:period) { settings.throttle_authenticated_web_period_in_seconds.seconds }
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let(:user) { create(:user) }
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let(:other_user) { create(:user) }
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let(:throttle_setting_prefix) { 'throttle_authenticated_web' }
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context 'with the token in the query string' do
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context 'with the atom extension' do
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let(:get_args) { ["/dashboard/projects.atom?rss_token=#{user.rss_token}"] }
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let(:other_user_get_args) { ["/dashboard/projects.atom?rss_token=#{other_user.rss_token}"] }
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it_behaves_like 'rate-limited token-authenticated requests'
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end
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it 'allows requests over the rate limit' do
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(1 + requests_per_period).times do
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get api('/todos', user)
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expect(response).to have_http_status 200
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end
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context 'with the atom format in the Accept header' do
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let(:get_args) { ["/dashboard/projects?rss_token=#{user.rss_token}", nil, { 'HTTP_ACCEPT' => 'application/atom+xml' }] }
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let(:other_user_get_args) { ["/dashboard/projects?rss_token=#{other_user.rss_token}", nil, { 'HTTP_ACCEPT' => 'application/atom+xml' }] }
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it_behaves_like 'rate-limited token-authenticated requests'
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end
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end
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end
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describe 'authenticated web requests' do
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describe 'web requests authenticated with regular login' do
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let(:requests_per_period) { settings.throttle_authenticated_web_requests_per_period }
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let(:period) { settings.throttle_authenticated_web_period_in_seconds.seconds }
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let(:user) { create(:user) }
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@ -199,7 +289,7 @@ describe Rack::Attack do
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# Set low limits
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settings.throttle_authenticated_web_requests_per_period = 1
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settings.throttle_authenticated_web_period_in_seconds = 10
|
||||
settings.throttle_authenticated_web_period_in_seconds = 10000
|
||||
end
|
||||
|
||||
context 'when the throttle is enabled' do
|
||||
|
@ -216,8 +306,7 @@ describe Rack::Attack do
|
|||
end
|
||||
|
||||
# the last straw
|
||||
get '/dashboard/snippets'
|
||||
expect(response).to have_http_status 429
|
||||
expect_rejection { get '/dashboard/snippets' }
|
||||
end
|
||||
|
||||
it 'allows requests after throttling and then waiting for the next period' do
|
||||
|
@ -226,17 +315,15 @@ describe Rack::Attack do
|
|||
expect(response).to have_http_status 200
|
||||
end
|
||||
|
||||
get '/dashboard/snippets'
|
||||
expect(response).to have_http_status 429
|
||||
expect_rejection { get '/dashboard/snippets' }
|
||||
|
||||
Timecop.travel(period.from_now) do
|
||||
Timecop.travel((1.second + period).from_now) do # Add 1 because flaky
|
||||
requests_per_period.times do
|
||||
get '/dashboard/snippets'
|
||||
expect(response).to have_http_status 200
|
||||
end
|
||||
|
||||
get '/dashboard/snippets'
|
||||
expect(response).to have_http_status 429
|
||||
expect_rejection { get '/dashboard/snippets' }
|
||||
end
|
||||
end
|
||||
|
||||
|
@ -261,8 +348,7 @@ describe Rack::Attack do
|
|||
|
||||
expect_any_instance_of(Rack::Attack::Request).to receive(:ip).and_return('1.2.3.4')
|
||||
|
||||
get '/dashboard/snippets'
|
||||
expect(response).to have_http_status 429
|
||||
expect_rejection { get '/dashboard/snippets' }
|
||||
end
|
||||
end
|
||||
|
||||
|
@ -280,4 +366,26 @@ describe Rack::Attack do
|
|||
end
|
||||
end
|
||||
end
|
||||
|
||||
def private_token_headers(user)
|
||||
{ 'HTTP_PRIVATE_TOKEN' => user.private_token }
|
||||
end
|
||||
|
||||
def personal_access_token_headers(personal_access_token)
|
||||
{ 'HTTP_PRIVATE_TOKEN' => personal_access_token.token }
|
||||
end
|
||||
|
||||
def oauth_token_headers(oauth_access_token)
|
||||
{ 'AUTHORIZATION' => "Bearer #{oauth_access_token.token}" }
|
||||
end
|
||||
|
||||
def expect_rejection(&block)
|
||||
NUM_TRIES_FOR_REJECTION.times do |i|
|
||||
block.call
|
||||
break if response.status == 429 # success
|
||||
Rails.logger.warn "Flaky test expected HTTP status 429 but got #{response.status}. Will attempt again (#{i + 1}/#{NUM_TRIES_FOR_REJECTION})"
|
||||
end
|
||||
|
||||
expect(response).to have_http_status(429)
|
||||
end
|
||||
end
|
||||
|
|
Loading…
Reference in New Issue