Rate limit by user instead of IP when API user is authenticated (#5923)

* Fix #668 - Rate limit by user instead of IP when API user is authenticated

* Fix code style issue

* Use request decorator provided by Doorkeeper
rebase/4.0.0rc2
Eugen Rochko 2017-12-09 14:20:02 +01:00 committed by GitHub
parent 84cebad49d
commit a865b62efc
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3 changed files with 44 additions and 16 deletions

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@ -44,7 +44,8 @@ module RateLimitHeaders
end
def api_throttle_data
request.env['rack.attack.throttle_data']['api']
request.env['rack.attack.throttle_data']['throttle_authenticated_api'] ||
request.env['rack.attack.throttle_data']['throttle_unauthenticated_api']
end
def request_time

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@ -1,6 +1,41 @@
# frozen_string_literal: true
class Rack::Attack
class Request
def authenticated_token
return @token if defined?(@token)
@token = Doorkeeper::OAuth::Token.authenticate(
Doorkeeper::Grape::AuthorizationDecorator.new(self),
*Doorkeeper.configuration.access_token_methods
)
end
def authenticated_user_id
authenticated_token&.resource_owner_id
end
def unauthenticated?
!authenticated_user_id
end
def api_request?
path.start_with?('/api')
end
def web_request?
!api_request?
end
end
PROTECTED_PATHS = %w(
/auth/sign_in
/auth
/auth/password
).freeze
PROTECTED_PATHS_REGEX = Regexp.union(PROTECTED_PATHS.map { |path| /\A#{Regexp.escape(path)}/ })
# Always allow requests from localhost
# (blocklist & throttles are skipped)
Rack::Attack.safelist('allow from localhost') do |req|
@ -8,24 +43,16 @@ class Rack::Attack
'127.0.0.1' == req.ip || '::1' == req.ip
end
# Rate limits for the API
throttle('api', limit: 300, period: 5.minutes) do |req|
req.ip if req.path =~ /\A\/api\/v/
throttle('throttle_authenticated_api', limit: 300, period: 5.minutes) do |req|
req.api_request? && req.authenticated_user_id
end
# Rate limit logins
throttle('login', limit: 5, period: 5.minutes) do |req|
req.ip if req.path == '/auth/sign_in' && req.post?
throttle('throttle_unauthenticated_api', limit: 300, period: 5.minutes) do |req|
req.ip if req.api_request? && req.unauthenticated?
end
# Rate limit sign-ups
throttle('register', limit: 5, period: 5.minutes) do |req|
req.ip if req.path == '/auth' && req.post?
end
# Rate limit forgotten passwords
throttle('reminder', limit: 5, period: 5.minutes) do |req|
req.ip if req.path == '/auth/password' && req.post?
throttle('protected_paths', limit: 5, period: 5.minutes) do |req|
req.ip if req.post? && req.path =~ PROTECTED_PATHS_REGEX
end
self.throttled_response = lambda do |env|

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@ -34,7 +34,7 @@ describe ApplicationController do
let(:start_time) { DateTime.new(2017, 1, 1, 12, 0, 0).utc }
before do
request.env['rack.attack.throttle_data'] = { 'api' => { limit: 100, count: 20, period: 10 } }
request.env['rack.attack.throttle_data'] = { 'throttle_authenticated_api' => { limit: 100, count: 20, period: 10 } }
travel_to start_time do
get 'show'
end