679 lines
25 KiB
Ruby
679 lines
25 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe 'Rack Attack global throttles', :use_clean_rails_memory_store_caching do
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include RackAttackSpecHelpers
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let(:settings) { Gitlab::CurrentSettings.current_application_settings }
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# Start with really high limits and override them with low limits to ensure
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# the right settings are being exercised
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let(:settings_to_set) do
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{
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throttle_unauthenticated_requests_per_period: 100,
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throttle_unauthenticated_period_in_seconds: 1,
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throttle_authenticated_api_requests_per_period: 100,
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throttle_authenticated_api_period_in_seconds: 1,
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throttle_authenticated_web_requests_per_period: 100,
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throttle_authenticated_web_period_in_seconds: 1,
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throttle_authenticated_protected_paths_request_per_period: 100,
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throttle_authenticated_protected_paths_in_seconds: 1,
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throttle_unauthenticated_packages_api_requests_per_period: 100,
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throttle_unauthenticated_packages_api_period_in_seconds: 1,
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throttle_authenticated_packages_api_requests_per_period: 100,
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throttle_authenticated_packages_api_period_in_seconds: 1
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}
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end
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let(:request_method) { 'GET' }
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let(:requests_per_period) { 1 }
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let(:period_in_seconds) { 10000 }
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let(:period) { period_in_seconds.seconds }
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include_context 'rack attack cache store'
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describe 'unauthenticated requests' do
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let(:url_that_does_not_require_authentication) { '/users/sign_in' }
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let(:url_api_internal) { '/api/v4/internal/check' }
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before do
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# Disabling protected paths throttle, otherwise requests to
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# '/users/sign_in' are caught by this throttle.
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settings_to_set[:throttle_protected_paths_enabled] = false
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# Set low limits
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settings_to_set[:throttle_unauthenticated_requests_per_period] = requests_per_period
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settings_to_set[:throttle_unauthenticated_period_in_seconds] = period_in_seconds
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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_to_set[:throttle_unauthenticated_enabled] = true
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stub_application_setting(settings_to_set)
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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 url_that_does_not_require_authentication
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expect(response).to have_gitlab_http_status(:ok)
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end
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# the last straw
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expect_rejection { get url_that_does_not_require_authentication }
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end
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context 'with custom response text' do
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before do
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stub_application_setting(rate_limiting_response_text: 'Custom response')
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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 url_that_does_not_require_authentication
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expect(response).to have_gitlab_http_status(:ok)
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end
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# the last straw
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expect_rejection { get url_that_does_not_require_authentication }
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expect(response.body).to eq("Custom response\n")
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end
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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 url_that_does_not_require_authentication
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expect(response).to have_gitlab_http_status(:ok)
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end
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expect_rejection { get url_that_does_not_require_authentication }
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travel_to(period.from_now) do
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requests_per_period.times do
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get url_that_does_not_require_authentication
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expect(response).to have_gitlab_http_status(:ok)
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end
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expect_rejection { get url_that_does_not_require_authentication }
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end
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end
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it 'counts requests from different IPs separately' do
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requests_per_period.times do
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get url_that_does_not_require_authentication
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expect(response).to have_gitlab_http_status(:ok)
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end
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expect_next_instance_of(Rack::Attack::Request) do |instance|
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expect(instance).to receive(:ip).at_least(:once).and_return('1.2.3.4')
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end
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# would be over limit for the same IP
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get url_that_does_not_require_authentication
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expect(response).to have_gitlab_http_status(:ok)
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end
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context 'when the request is to the api internal endpoints' do
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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 url_api_internal, params: { secret_token: Gitlab::Shell.secret_token }
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expect(response).to have_gitlab_http_status(:ok)
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end
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end
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end
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context 'when the request is authenticated by a runner token' do
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let(:request_jobs_url) { '/api/v4/jobs/request' }
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let(:runner) { create(:ci_runner) }
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it 'does not count as unauthenticated' do
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(1 + requests_per_period).times do
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post request_jobs_url, params: { token: runner.token }
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expect(response).to have_gitlab_http_status(:no_content)
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end
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end
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end
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context 'when the request is to a health endpoint' do
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let(:health_endpoint) { '/-/metrics' }
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it 'does not throttle the requests' do
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(1 + requests_per_period).times do
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get health_endpoint
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expect(response).to have_gitlab_http_status(:ok)
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end
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end
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end
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context 'when the request is to a container registry notification endpoint' do
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let(:secret_token) { 'secret_token' }
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let(:events) { [{ action: 'push' }] }
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let(:registry_endpoint) { '/api/v4/container_registry_event/events' }
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let(:registry_headers) { { 'Content-Type' => ::API::ContainerRegistryEvent::DOCKER_DISTRIBUTION_EVENTS_V1_JSON } }
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before do
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allow(Gitlab.config.registry).to receive(:notification_secret) { secret_token }
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event = spy(:event)
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allow(::ContainerRegistry::Event).to receive(:new).and_return(event)
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allow(event).to receive(:supported?).and_return(true)
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end
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it 'does not throttle the requests' do
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(1 + requests_per_period).times do
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post registry_endpoint,
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params: { events: events }.to_json,
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headers: registry_headers.merge('Authorization' => secret_token)
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expect(response).to have_gitlab_http_status(:ok)
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end
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end
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end
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it 'logs RackAttack info into structured logs' do
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requests_per_period.times do
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get url_that_does_not_require_authentication
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expect(response).to have_gitlab_http_status(:ok)
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end
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arguments = a_hash_including({
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message: 'Rack_Attack',
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env: :throttle,
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remote_ip: '127.0.0.1',
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request_method: 'GET',
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path: '/users/sign_in',
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matched: 'throttle_unauthenticated'
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})
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expect(Gitlab::AuthLogger).to receive(:error).with(arguments)
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get url_that_does_not_require_authentication
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end
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it_behaves_like 'tracking when dry-run mode is set' do
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let(:throttle_name) { 'throttle_unauthenticated' }
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def do_request
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get url_that_does_not_require_authentication
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end
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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_to_set[:throttle_unauthenticated_enabled] = false
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stub_application_setting(settings_to_set)
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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 url_that_does_not_require_authentication
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expect(response).to have_gitlab_http_status(:ok)
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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 'API requests authenticated with personal access token', :api do
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let_it_be(:user) { create(:user) }
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let_it_be(:token) { create(:personal_access_token, user: user) }
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let_it_be(:other_user) { create(:user) }
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let_it_be(: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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let(:api_partial_url) { '/todos' }
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context 'with the token in the query string' do
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let(:request_args) { [api(api_partial_url, personal_access_token: token), {}] }
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let(:other_user_request_args) { [api(api_partial_url, personal_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(:request_args) { api_get_args_with_token_headers(api_partial_url, personal_access_token_headers(token)) }
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let(:other_user_request_args) { api_get_args_with_token_headers(api_partial_url, 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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context 'with the token in the OAuth headers' do
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let(:request_args) { api_get_args_with_token_headers(api_partial_url, oauth_token_headers(token)) }
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let(:other_user_request_args) { api_get_args_with_token_headers(api_partial_url, 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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context 'with the token in basic auth' do
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let(:request_args) { api_get_args_with_token_headers(api_partial_url, basic_auth_headers(user, token)) }
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let(:other_user_request_args) { api_get_args_with_token_headers(api_partial_url, basic_auth_headers(other_user, 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 a read_api scope' do
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before do
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token.update!(scopes: ['read_api'])
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other_user_token.update!(scopes: ['read_api'])
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end
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context 'with the token in the headers' do
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let(:request_args) { api_get_args_with_token_headers(api_partial_url, personal_access_token_headers(token)) }
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let(:other_user_request_args) { api_get_args_with_token_headers(api_partial_url, 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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context 'with the token in the OAuth headers' do
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let(:request_args) { api_get_args_with_token_headers(api_partial_url, oauth_token_headers(token)) }
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let(:other_user_request_args) { api_get_args_with_token_headers(api_partial_url, 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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end
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describe 'API requests authenticated with OAuth token', :api do
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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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let(:api_partial_url) { '/todos' }
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context 'with the token in the query string' do
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let(:request_args) { [api(api_partial_url, oauth_access_token: token), {}] }
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let(:other_user_request_args) { [api(api_partial_url, 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(:request_args) { api_get_args_with_token_headers(api_partial_url, oauth_token_headers(token)) }
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let(:other_user_request_args) { api_get_args_with_token_headers(api_partial_url, 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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context 'with a read_api scope' do
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let(:read_token) { Doorkeeper::AccessToken.create!(application_id: application.id, resource_owner_id: user.id, scopes: "read_api") }
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let(:other_user_read_token) { Doorkeeper::AccessToken.create!(application_id: other_user_application.id, resource_owner_id: other_user.id, scopes: "read_api") }
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let(:request_args) { api_get_args_with_token_headers(api_partial_url, oauth_token_headers(read_token)) }
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let(:other_user_request_args) { api_get_args_with_token_headers(api_partial_url, oauth_token_headers(other_user_read_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(: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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let(:request_args) { [rss_url(user), params: nil] }
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let(:other_user_request_args) { [rss_url(other_user), params: nil] }
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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 requests authenticated with regular login' do
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let(:throttle_setting_prefix) { 'throttle_authenticated_web' }
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let(:user) { create(:user) }
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let(:url_that_requires_authentication) { '/dashboard/snippets' }
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it_behaves_like 'rate-limited web authenticated requests'
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end
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describe 'protected paths' do
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let(:request_method) { 'POST' }
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context 'unauthenticated requests' do
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let(:protected_path_that_does_not_require_authentication) do
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'/users/sign_in'
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end
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let(:post_params) { { user: { login: 'username', password: 'password' } } }
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def do_request
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post protected_path_that_does_not_require_authentication, params: post_params
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end
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before do
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settings_to_set[:throttle_protected_paths_requests_per_period] = requests_per_period # 1
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settings_to_set[:throttle_protected_paths_period_in_seconds] = period_in_seconds # 10_000
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end
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context 'when protected paths throttle is disabled' do
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before do
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settings_to_set[:throttle_protected_paths_enabled] = false
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stub_application_setting(settings_to_set)
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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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do_request
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expect(response).to have_gitlab_http_status(:ok)
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end
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end
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end
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context 'when protected paths throttle is enabled' do
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before do
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settings_to_set[:throttle_protected_paths_enabled] = true
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stub_application_setting(settings_to_set)
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end
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it 'rejects requests over the rate limit' do
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requests_per_period.times do
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do_request
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expect(response).to have_gitlab_http_status(:ok)
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end
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expect_rejection { post protected_path_that_does_not_require_authentication, params: post_params }
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end
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it_behaves_like 'tracking when dry-run mode is set' do
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let(:throttle_name) { 'throttle_unauthenticated_protected_paths' }
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end
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end
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end
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context '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_protected_paths' }
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let(:api_partial_url) { '/user/emails' }
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let(:protected_paths) do
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[
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'/api/v4/user/emails'
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]
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end
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before do
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settings_to_set[:protected_paths] = protected_paths
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stub_application_setting(settings_to_set)
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end
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context 'with the token in the query string' do
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let(:request_args) { [api(api_partial_url, personal_access_token: token), {}] }
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let(:other_user_request_args) { [api(api_partial_url, personal_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(:request_args) { api_get_args_with_token_headers(api_partial_url, personal_access_token_headers(token)) }
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let(:other_user_request_args) { api_get_args_with_token_headers(api_partial_url, 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 'web requests authenticated with regular login' do
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let(:throttle_setting_prefix) { 'throttle_protected_paths' }
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let(:user) { create(:user) }
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let(:url_that_requires_authentication) { '/users/confirmation' }
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let(:protected_paths) do
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[
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url_that_requires_authentication
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]
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end
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before do
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settings_to_set[:protected_paths] = protected_paths
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stub_application_setting(settings_to_set)
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end
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it_behaves_like 'rate-limited web authenticated requests'
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end
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end
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describe 'Packages API' do
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let(:request_method) { 'GET' }
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context 'unauthenticated' do
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let_it_be(:project) { create(:project, :public) }
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let(:throttle_setting_prefix) { 'throttle_unauthenticated_packages_api' }
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let(:packages_path_that_does_not_require_authentication) { "/api/v4/projects/#{project.id}/packages/conan/v1/ping" }
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def do_request
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get packages_path_that_does_not_require_authentication
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end
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before do
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settings_to_set[:throttle_unauthenticated_packages_api_requests_per_period] = requests_per_period
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settings_to_set[:throttle_unauthenticated_packages_api_period_in_seconds] = period_in_seconds
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end
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context 'when unauthenticated packages api throttle is disabled' do
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before do
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settings_to_set[:throttle_unauthenticated_packages_api_enabled] = false
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stub_application_setting(settings_to_set)
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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
|
|
do_request
|
|
expect(response).to have_gitlab_http_status(:ok)
|
|
end
|
|
end
|
|
|
|
context 'when unauthenticated api throttle is enabled' do
|
|
before do
|
|
settings_to_set[:throttle_unauthenticated_requests_per_period] = requests_per_period
|
|
settings_to_set[:throttle_unauthenticated_period_in_seconds] = period_in_seconds
|
|
settings_to_set[:throttle_unauthenticated_enabled] = true
|
|
stub_application_setting(settings_to_set)
|
|
end
|
|
|
|
it 'rejects requests over the unauthenticated api rate limit' do
|
|
requests_per_period.times do
|
|
do_request
|
|
expect(response).to have_gitlab_http_status(:ok)
|
|
end
|
|
|
|
expect_rejection { do_request }
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when unauthenticated packages api throttle is enabled' do
|
|
before do
|
|
settings_to_set[:throttle_unauthenticated_packages_api_requests_per_period] = requests_per_period # 1
|
|
settings_to_set[:throttle_unauthenticated_packages_api_period_in_seconds] = period_in_seconds # 10_000
|
|
settings_to_set[:throttle_unauthenticated_packages_api_enabled] = true
|
|
stub_application_setting(settings_to_set)
|
|
end
|
|
|
|
it 'rejects requests over the rate limit' do
|
|
requests_per_period.times do
|
|
do_request
|
|
expect(response).to have_gitlab_http_status(:ok)
|
|
end
|
|
|
|
expect_rejection { do_request }
|
|
end
|
|
|
|
context 'when unauthenticated api throttle is lower' do
|
|
before do
|
|
settings_to_set[:throttle_unauthenticated_requests_per_period] = 0
|
|
settings_to_set[:throttle_unauthenticated_period_in_seconds] = period_in_seconds
|
|
settings_to_set[:throttle_unauthenticated_enabled] = true
|
|
stub_application_setting(settings_to_set)
|
|
end
|
|
|
|
it 'ignores unauthenticated api throttle' do
|
|
requests_per_period.times do
|
|
do_request
|
|
expect(response).to have_gitlab_http_status(:ok)
|
|
end
|
|
|
|
expect_rejection { do_request }
|
|
end
|
|
end
|
|
|
|
it_behaves_like 'tracking when dry-run mode is set' do
|
|
let(:throttle_name) { 'throttle_unauthenticated_packages_api' }
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'authenticated', :api do
|
|
let_it_be(:project) { create(:project, :internal) }
|
|
let_it_be(:user) { create(:user) }
|
|
let_it_be(:token) { create(:personal_access_token, user: user) }
|
|
let_it_be(:other_user) { create(:user) }
|
|
let_it_be(:other_user_token) { create(:personal_access_token, user: other_user) }
|
|
|
|
let(:throttle_setting_prefix) { 'throttle_authenticated_packages_api' }
|
|
let(:api_partial_url) { "/projects/#{project.id}/packages/conan/v1/ping" }
|
|
|
|
before do
|
|
stub_application_setting(settings_to_set)
|
|
end
|
|
|
|
context 'with the token in the query string' do
|
|
let(:request_args) { [api(api_partial_url, personal_access_token: token), {}] }
|
|
let(:other_user_request_args) { [api(api_partial_url, personal_access_token: other_user_token), {}] }
|
|
|
|
it_behaves_like 'rate-limited token-authenticated requests'
|
|
end
|
|
|
|
context 'with the token in the headers' do
|
|
let(:request_args) { api_get_args_with_token_headers(api_partial_url, personal_access_token_headers(token)) }
|
|
let(:other_user_request_args) { api_get_args_with_token_headers(api_partial_url, personal_access_token_headers(other_user_token)) }
|
|
|
|
it_behaves_like 'rate-limited token-authenticated requests'
|
|
end
|
|
|
|
context 'precedence over authenticated api throttle' do
|
|
before do
|
|
settings_to_set[:throttle_authenticated_packages_api_requests_per_period] = requests_per_period
|
|
settings_to_set[:throttle_authenticated_packages_api_period_in_seconds] = period_in_seconds
|
|
end
|
|
|
|
def do_request
|
|
get api(api_partial_url, personal_access_token: token)
|
|
end
|
|
|
|
context 'when authenticated packages api throttle is enabled' do
|
|
before do
|
|
settings_to_set[:throttle_authenticated_packages_api_enabled] = true
|
|
end
|
|
|
|
context 'when authenticated api throttle is lower' do
|
|
before do
|
|
settings_to_set[:throttle_authenticated_api_requests_per_period] = 0
|
|
settings_to_set[:throttle_authenticated_api_period_in_seconds] = period_in_seconds
|
|
settings_to_set[:throttle_authenticated_api_enabled] = true
|
|
stub_application_setting(settings_to_set)
|
|
end
|
|
|
|
it 'ignores authenticated api throttle' do
|
|
requests_per_period.times do
|
|
do_request
|
|
expect(response).to have_gitlab_http_status(:ok)
|
|
end
|
|
|
|
expect_rejection { do_request }
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'when authenticated packages api throttle is disabled' do
|
|
before do
|
|
settings_to_set[:throttle_authenticated_packages_api_enabled] = false
|
|
end
|
|
|
|
context 'when authenticated api throttle is enabled' do
|
|
before do
|
|
settings_to_set[:throttle_authenticated_api_requests_per_period] = requests_per_period
|
|
settings_to_set[:throttle_authenticated_api_period_in_seconds] = period_in_seconds
|
|
settings_to_set[:throttle_authenticated_api_enabled] = true
|
|
stub_application_setting(settings_to_set)
|
|
end
|
|
|
|
it 'rejects requests over the authenticated api rate limit' do
|
|
requests_per_period.times do
|
|
do_request
|
|
expect(response).to have_gitlab_http_status(:ok)
|
|
end
|
|
|
|
expect_rejection { do_request }
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
describe 'throttle bypass header' do
|
|
let(:headers) { {} }
|
|
let(:bypass_header) { 'gitlab-bypass-rate-limiting' }
|
|
|
|
def do_request
|
|
get '/users/sign_in', headers: headers
|
|
end
|
|
|
|
before do
|
|
# Disabling protected paths throttle, otherwise requests to
|
|
# '/users/sign_in' are caught by this throttle.
|
|
settings_to_set[:throttle_protected_paths_enabled] = false
|
|
|
|
# Set low limits
|
|
settings_to_set[:throttle_unauthenticated_requests_per_period] = requests_per_period
|
|
settings_to_set[:throttle_unauthenticated_period_in_seconds] = period_in_seconds
|
|
|
|
stub_env('GITLAB_THROTTLE_BYPASS_HEADER', bypass_header)
|
|
settings_to_set[:throttle_unauthenticated_enabled] = true
|
|
|
|
stub_application_setting(settings_to_set)
|
|
end
|
|
|
|
shared_examples 'reject requests over the rate limit' do
|
|
it 'rejects requests over the rate limit' do
|
|
# At first, allow requests under the rate limit.
|
|
requests_per_period.times do
|
|
do_request
|
|
expect(response).to have_gitlab_http_status(:ok)
|
|
end
|
|
|
|
# the last straw
|
|
expect_rejection { do_request }
|
|
end
|
|
end
|
|
|
|
context 'without the bypass header set' do
|
|
it_behaves_like 'reject requests over the rate limit'
|
|
end
|
|
|
|
context 'with bypass header set to 1' do
|
|
let(:headers) { { bypass_header => '1' } }
|
|
|
|
it 'does not throttle' do
|
|
(1 + requests_per_period).times do
|
|
do_request
|
|
expect(response).to have_gitlab_http_status(:ok)
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'with bypass header set to some other value' do
|
|
let(:headers) { { bypass_header => 'some other value' } }
|
|
|
|
it_behaves_like 'reject requests over the rate limit'
|
|
end
|
|
end
|
|
end
|