debian-mirror-gitlab/spec/lib/gitlab/rack_attack_spec.rb
2021-11-11 11:23:49 +05:30

323 lines
12 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::RackAttack, :aggregate_failures do
describe '.configure' do
let(:fake_rack_attack) { class_double("Rack::Attack") }
let(:fake_rack_attack_request) { class_double("Rack::Attack::Request") }
let(:fake_cache) { instance_double("Rack::Attack::Cache") }
let(:throttles) do
{
throttle_unauthenticated_api: Gitlab::Throttle.options(:api, authenticated: false),
throttle_authenticated_api: Gitlab::Throttle.options(:api, authenticated: true),
throttle_unauthenticated_web: Gitlab::Throttle.unauthenticated_web_options,
throttle_authenticated_web: Gitlab::Throttle.authenticated_web_options,
throttle_product_analytics_collector: { limit: 100, period: 60 },
throttle_unauthenticated_protected_paths: Gitlab::Throttle.protected_paths_options,
throttle_authenticated_protected_paths_api: Gitlab::Throttle.protected_paths_options,
throttle_authenticated_protected_paths_web: Gitlab::Throttle.protected_paths_options,
throttle_unauthenticated_packages_api: Gitlab::Throttle.options(:packages_api, authenticated: false),
throttle_authenticated_packages_api: Gitlab::Throttle.options(:packages_api, authenticated: true),
throttle_authenticated_git_lfs: Gitlab::Throttle.throttle_authenticated_git_lfs_options,
throttle_unauthenticated_files_api: Gitlab::Throttle.options(:files_api, authenticated: false),
throttle_authenticated_files_api: Gitlab::Throttle.options(:files_api, authenticated: true)
}
end
before do
stub_const("Rack::Attack", fake_rack_attack)
stub_const("Rack::Attack::Request", fake_rack_attack_request)
allow(fake_rack_attack).to receive(:throttled_response=)
allow(fake_rack_attack).to receive(:throttle)
allow(fake_rack_attack).to receive(:track)
allow(fake_rack_attack).to receive(:safelist)
allow(fake_rack_attack).to receive(:blocklist)
allow(fake_rack_attack).to receive(:cache).and_return(fake_cache)
allow(fake_cache).to receive(:store=)
end
it 'extends the request class' do
described_class.configure(fake_rack_attack)
expect(fake_rack_attack_request).to include(described_class::Request)
end
it 'configures the throttle response' do
described_class.configure(fake_rack_attack)
expect(fake_rack_attack).to have_received(:throttled_response=).with(an_instance_of(Proc))
end
it 'configures the safelist' do
described_class.configure(fake_rack_attack)
expect(fake_rack_attack).to have_received(:safelist).with('throttle_bypass_header')
end
it 'configures throttles if no dry-run was configured' do
described_class.configure(fake_rack_attack)
throttles.each do |throttle, options|
expect(fake_rack_attack).to have_received(:throttle).with(throttle.to_s, options)
end
end
it 'configures tracks if dry-run was configured for all throttles' do
stub_env('GITLAB_THROTTLE_DRY_RUN', '*')
described_class.configure(fake_rack_attack)
throttles.each do |throttle, options|
expect(fake_rack_attack).to have_received(:track).with(throttle.to_s, options)
end
expect(fake_rack_attack).not_to have_received(:throttle)
end
it 'configures tracks and throttles with a selected set of dry-runs' do
dry_run_throttles = throttles.each_key.first(2)
regular_throttles = throttles.keys[2..-1]
stub_env('GITLAB_THROTTLE_DRY_RUN', dry_run_throttles.join(','))
described_class.configure(fake_rack_attack)
dry_run_throttles.each do |throttle|
expect(fake_rack_attack).to have_received(:track).with(throttle.to_s, throttles[throttle])
end
regular_throttles.each do |throttle|
expect(fake_rack_attack).to have_received(:throttle).with(throttle.to_s, throttles[throttle])
end
end
it 'enables dry-runs for `throttle_unauthenticated_api` and `throttle_unauthenticated_web` when selecting `throttle_unauthenticated`' do
stub_env('GITLAB_THROTTLE_DRY_RUN', 'throttle_unauthenticated')
described_class.configure(fake_rack_attack)
expect(fake_rack_attack).to have_received(:track).with('throttle_unauthenticated_api', throttles[:throttle_unauthenticated_api])
expect(fake_rack_attack).to have_received(:track).with('throttle_unauthenticated_web', throttles[:throttle_unauthenticated_web])
end
context 'user allowlist' do
subject { described_class.user_allowlist }
it 'is empty' do
described_class.configure(fake_rack_attack)
expect(subject).to be_empty
end
it 'reflects GITLAB_THROTTLE_USER_ALLOWLIST' do
stub_env('GITLAB_THROTTLE_USER_ALLOWLIST', '123,456')
described_class.configure(fake_rack_attack)
expect(subject).to contain_exactly(123, 456)
end
end
end
describe '.throttled_response_headers' do
where(:matched, :match_data, :headers) do
[
[
'throttle_unauthenticated',
{
discriminator: '127.0.0.1',
count: 3700,
period: 1.hour,
limit: 3600,
epoch_time: Time.utc(2021, 1, 5, 10, 29, 30).to_i
},
{
'RateLimit-Name' => 'throttle_unauthenticated',
'RateLimit-Limit' => '60',
'RateLimit-Observed' => '3700',
'RateLimit-Remaining' => '0',
'RateLimit-Reset' => '1609844400', # Time.utc(2021, 1, 5, 11, 0, 0).to_i.to_s
'RateLimit-ResetTime' => 'Tue, 05 Jan 2021 11:00:00 GMT',
'Retry-After' => '1830'
}
],
[
'throttle_unauthenticated',
{
discriminator: '127.0.0.1',
count: 3700,
period: 1.hour,
limit: 3600,
epoch_time: Time.utc(2021, 1, 5, 10, 59, 59).to_i
},
{
'RateLimit-Name' => 'throttle_unauthenticated',
'RateLimit-Limit' => '60',
'RateLimit-Observed' => '3700',
'RateLimit-Remaining' => '0',
'RateLimit-Reset' => '1609844400', # Time.utc(2021, 1, 5, 11, 0, 0).to_i.to_s
'RateLimit-ResetTime' => 'Tue, 05 Jan 2021 11:00:00 GMT',
'Retry-After' => '1'
}
],
[
'throttle_unauthenticated',
{
discriminator: '127.0.0.1',
count: 3700,
period: 1.hour,
limit: 3600,
epoch_time: Time.utc(2021, 1, 5, 10, 0, 0).to_i
},
{
'RateLimit-Name' => 'throttle_unauthenticated',
'RateLimit-Limit' => '60',
'RateLimit-Observed' => '3700',
'RateLimit-Remaining' => '0',
'RateLimit-Reset' => '1609844400', # Time.utc(2021, 1, 5, 11, 0, 0).to_i.to_s
'RateLimit-ResetTime' => 'Tue, 05 Jan 2021 11:00:00 GMT',
'Retry-After' => '3600'
}
],
[
'throttle_unauthenticated',
{
discriminator: '127.0.0.1',
count: 3700,
period: 1.hour,
limit: 3600,
epoch_time: Time.utc(2021, 1, 5, 23, 30, 0).to_i
},
{
'RateLimit-Name' => 'throttle_unauthenticated',
'RateLimit-Limit' => '60',
'RateLimit-Observed' => '3700',
'RateLimit-Remaining' => '0',
'RateLimit-Reset' => '1609891200', # Time.utc(2021, 1, 6, 0, 0, 0).to_i.to_s
'RateLimit-ResetTime' => 'Wed, 06 Jan 2021 00:00:00 GMT', # Next day
'Retry-After' => '1800'
}
],
[
'throttle_unauthenticated',
{
discriminator: '127.0.0.1',
count: 3700,
period: 1.hour,
limit: 3400,
epoch_time: Time.utc(2021, 1, 5, 10, 30, 0).to_i
},
{
'RateLimit-Name' => 'throttle_unauthenticated',
'RateLimit-Limit' => '57', # 56.66 requests per minute
'RateLimit-Observed' => '3700',
'RateLimit-Remaining' => '0',
'RateLimit-Reset' => '1609844400', # Time.utc(2021, 1, 5, 11, 0, 0).to_i.to_s
'RateLimit-ResetTime' => 'Tue, 05 Jan 2021 11:00:00 GMT',
'Retry-After' => '1800'
}
],
[
'throttle_unauthenticated',
{
discriminator: '127.0.0.1',
count: 3700,
period: 1.hour,
limit: 3700,
epoch_time: Time.utc(2021, 1, 5, 10, 30, 0).to_i
},
{
'RateLimit-Name' => 'throttle_unauthenticated',
'RateLimit-Limit' => '62', # 61.66 requests per minute
'RateLimit-Observed' => '3700',
'RateLimit-Remaining' => '0',
'RateLimit-Reset' => '1609844400', # Time.utc(2021, 1, 5, 11, 0, 0).to_i.to_s
'RateLimit-ResetTime' => 'Tue, 05 Jan 2021 11:00:00 GMT',
'Retry-After' => '1800'
}
],
[
'throttle_unauthenticated',
{
discriminator: '127.0.0.1',
count: 3700,
period: 1.hour,
limit: 59,
epoch_time: Time.utc(2021, 1, 5, 10, 30, 0).to_i
},
{
'RateLimit-Name' => 'throttle_unauthenticated',
'RateLimit-Limit' => '1', # 0.9833 requests per minute
'RateLimit-Observed' => '3700',
'RateLimit-Remaining' => '0',
'RateLimit-Reset' => '1609844400', # Time.utc(2021, 1, 5, 11, 0, 0).to_i.to_s
'RateLimit-ResetTime' => 'Tue, 05 Jan 2021 11:00:00 GMT',
'Retry-After' => '1800'
}
],
[
'throttle_unauthenticated',
{
discriminator: '127.0.0.1',
count: 3700,
period: 1.hour,
limit: 61,
epoch_time: Time.utc(2021, 1, 5, 10, 30, 0).to_i
},
{
'RateLimit-Name' => 'throttle_unauthenticated',
'RateLimit-Limit' => '2', # 1.016 requests per minute
'RateLimit-Observed' => '3700',
'RateLimit-Remaining' => '0',
'RateLimit-Reset' => '1609844400', # Time.utc(2021, 1, 5, 11, 0, 0).to_i.to_s
'RateLimit-ResetTime' => 'Tue, 05 Jan 2021 11:00:00 GMT',
'Retry-After' => '1800'
}
],
[
'throttle_unauthenticated',
{
discriminator: '127.0.0.1',
count: 3700,
period: 15.seconds,
limit: 10,
epoch_time: Time.utc(2021, 1, 5, 10, 30, 0).to_i
},
{
'RateLimit-Name' => 'throttle_unauthenticated',
'RateLimit-Limit' => '40',
'RateLimit-Observed' => '3700',
'RateLimit-Remaining' => '0',
'RateLimit-Reset' => '1609842615', # Time.utc(2021, 1, 5, 10, 30, 15).to_i.to_s
'RateLimit-ResetTime' => 'Tue, 05 Jan 2021 10:30:15 GMT',
'Retry-After' => '15'
}
],
[
'throttle_unauthenticated',
{
discriminator: '127.0.0.1',
count: 3700,
period: 27.seconds,
limit: 10,
epoch_time: Time.utc(2021, 1, 5, 10, 30, 0).to_i
},
{
'RateLimit-Name' => 'throttle_unauthenticated',
'RateLimit-Limit' => '23',
'RateLimit-Observed' => '3700',
'RateLimit-Remaining' => '0',
'RateLimit-Reset' => '1609842627', # Time.utc(2021, 1, 5, 10, 30, 27).to_i.to_s
'RateLimit-ResetTime' => 'Tue, 05 Jan 2021 10:30:27 GMT',
'Retry-After' => '27'
}
]
]
end
with_them do
it 'generates accurate throttled headers' do
expect(described_class.throttled_response_headers(matched, match_data)).to eql(headers)
end
end
end
end