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|
# frozen_string_literal: true
#
# Requires let variables:
# * throttle_setting_prefix: "throttle_authenticated_api", "throttle_authenticated_web", "throttle_protected_paths"
# * request_method
# * request_args
# * other_user_request_args
# * requests_per_period
# * period_in_seconds
# * period
shared_examples_for 'rate-limited token-authenticated requests' do
let(:throttle_types) do
{
"throttle_protected_paths" => "throttle_authenticated_protected_paths_api",
"throttle_authenticated_api" => "throttle_authenticated_api",
"throttle_authenticated_web" => "throttle_authenticated_web"
}
end
before do
# Set low limits
settings_to_set[:"#{throttle_setting_prefix}_requests_per_period"] = requests_per_period
settings_to_set[:"#{throttle_setting_prefix}_period_in_seconds"] = period_in_seconds
end
context 'when the throttle is enabled' do
before do
settings_to_set[:"#{throttle_setting_prefix}_enabled"] = true
stub_application_setting(settings_to_set)
end
it 'rejects requests over the rate limit' do
# At first, allow requests under the rate limit.
requests_per_period.times do
make_request(request_args)
expect(response).not_to have_http_status 429
end
# the last straw
expect_rejection { make_request(request_args) }
end
it 'allows requests after throttling and then waiting for the next period' do
requests_per_period.times do
make_request(request_args)
expect(response).not_to have_http_status 429
end
expect_rejection { make_request(request_args) }
Timecop.travel(period.from_now) do
requests_per_period.times do
make_request(request_args)
expect(response).not_to have_http_status 429
end
expect_rejection { make_request(request_args) }
end
end
it 'counts requests from different users separately, even from the same IP' do
requests_per_period.times do
make_request(request_args)
expect(response).not_to have_http_status 429
end
# would be over the limit if this wasn't a different user
make_request(other_user_request_args)
expect(response).not_to have_http_status 429
end
it 'counts all requests from the same user, even via different IPs' do
requests_per_period.times do
make_request(request_args)
expect(response).not_to have_http_status 429
end
expect_any_instance_of(Rack::Attack::Request).to receive(:ip).at_least(:once).and_return('1.2.3.4')
expect_rejection { make_request(request_args) }
end
it 'logs RackAttack info into structured logs' do
requests_per_period.times do
make_request(request_args)
expect(response).not_to have_http_status 429
end
arguments = {
message: 'Rack_Attack',
env: :throttle,
remote_ip: '127.0.0.1',
request_method: request_method,
path: request_args.first,
user_id: user.id,
username: user.username,
throttle_type: throttle_types[throttle_setting_prefix]
}
expect(Gitlab::AuthLogger).to receive(:error).with(arguments).once
expect_rejection { make_request(request_args) }
end
end
context 'when the throttle is disabled' do
before do
settings_to_set[:"#{throttle_setting_prefix}_enabled"] = false
stub_application_setting(settings_to_set)
end
it 'allows requests over the rate limit' do
(1 + requests_per_period).times do
make_request(request_args)
expect(response).not_to have_http_status 429
end
end
end
def make_request(args)
if request_method == 'POST'
post(*args)
else
get(*args)
end
end
end
# Requires let variables:
# * throttle_setting_prefix: "throttle_authenticated_web" or "throttle_protected_paths"
# * user
# * url_that_requires_authentication
# * request_method
# * requests_per_period
# * period_in_seconds
# * period
shared_examples_for 'rate-limited web authenticated requests' do
let(:throttle_types) do
{
"throttle_protected_paths" => "throttle_authenticated_protected_paths_web",
"throttle_authenticated_web" => "throttle_authenticated_web"
}
end
before do
login_as(user)
# Set low limits
settings_to_set[:"#{throttle_setting_prefix}_requests_per_period"] = requests_per_period
settings_to_set[:"#{throttle_setting_prefix}_period_in_seconds"] = period_in_seconds
end
context 'when the throttle is enabled' do
before do
settings_to_set[:"#{throttle_setting_prefix}_enabled"] = true
stub_application_setting(settings_to_set)
end
it 'rejects requests over the rate limit' do
# At first, allow requests under the rate limit.
requests_per_period.times do
request_authenticated_web_url
expect(response).not_to have_http_status 429
end
# the last straw
expect_rejection { request_authenticated_web_url }
end
it 'allows requests after throttling and then waiting for the next period' do
requests_per_period.times do
request_authenticated_web_url
expect(response).not_to have_http_status 429
end
expect_rejection { request_authenticated_web_url }
Timecop.travel(period.from_now) do
requests_per_period.times do
request_authenticated_web_url
expect(response).not_to have_http_status 429
end
expect_rejection { request_authenticated_web_url }
end
end
it 'counts requests from different users separately, even from the same IP' do
requests_per_period.times do
request_authenticated_web_url
expect(response).not_to have_http_status 429
end
# would be over the limit if this wasn't a different user
login_as(create(:user))
request_authenticated_web_url
expect(response).not_to have_http_status 429
end
it 'counts all requests from the same user, even via different IPs' do
requests_per_period.times do
request_authenticated_web_url
expect(response).not_to have_http_status 429
end
expect_any_instance_of(Rack::Attack::Request).to receive(:ip).at_least(:once).and_return('1.2.3.4')
expect_rejection { request_authenticated_web_url }
end
it 'logs RackAttack info into structured logs' do
requests_per_period.times do
request_authenticated_web_url
expect(response).not_to have_http_status 429
end
arguments = {
message: 'Rack_Attack',
env: :throttle,
remote_ip: '127.0.0.1',
request_method: request_method,
path: url_that_requires_authentication,
user_id: user.id,
username: user.username,
throttle_type: throttle_types[throttle_setting_prefix]
}
expect(Gitlab::AuthLogger).to receive(:error).with(arguments).once
request_authenticated_web_url
end
end
context 'when the throttle is disabled' do
before do
settings_to_set[:"#{throttle_setting_prefix}_enabled"] = false
stub_application_setting(settings_to_set)
end
it 'allows requests over the rate limit' do
(1 + requests_per_period).times do
request_authenticated_web_url
expect(response).not_to have_http_status 429
end
end
end
def request_authenticated_web_url
if request_method == 'POST'
post url_that_requires_authentication
else
get url_that_requires_authentication
end
end
end
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