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Code Issues Projects Releases Wiki Activity

Fix rate limiting for paths with formats

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This commit is contained in:
Eugen Rochko 2022-10-26 14:58:52 +02:00 committed by Claire
parent 1659788de4
commit 063579373e
2 changed files with 33 additions and 22 deletions
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49
config/initializers/rack_attack.rb
View File

@ -17,6 +17,18 @@ class Rack::Attack
@remote_ip ||= (@env["action_dispatch.remote_ip"] || ip).to_s
end
def throttleable_remote_ip
@throttleable_remote_ip ||= begin
ip = IPAddr.new(remote_ip)
if ip.ipv6?
ip.mask(64)
else
ip
end
end.to_s
end
def authenticated_user_id
authenticated_token&.resource_owner_id
end
@ -29,6 +41,10 @@ class Rack::Attack
path.start_with?('/api')
end
def path_matches?(other_path)
/\A#{Regexp.escape(other_path)}(\..*)?\z/ =~ path
end
def web_request?
!api_request?
end
@ -51,19 +67,19 @@ class Rack::Attack
end
throttle('throttle_unauthenticated_api', limit: 300, period: 5.minutes) do |req|
req.remote_ip if req.api_request? && req.unauthenticated?
req.throttleable_remote_ip if req.api_request? && req.unauthenticated?
end
throttle('throttle_api_media', limit: 30, period: 30.minutes) do |req|
req.authenticated_user_id if req.post? && req.path.match?('^/api/v\d+/media')
req.authenticated_user_id if req.post? && req.path.match?(/\A\/api\/v\d+\/media\z/i)
end
throttle('throttle_media_proxy', limit: 30, period: 10.minutes) do |req|
req.remote_ip if req.path.start_with?('/media_proxy')
req.throttleable_remote_ip if req.path.start_with?('/media_proxy')
end
throttle('throttle_api_sign_up', limit: 5, period: 30.minutes) do |req|
req.remote_ip if req.post? && req.path == '/api/v1/accounts'
req.throttleable_remote_ip if req.post? && req.path == '/api/v1/accounts'
end
throttle('throttle_authenticated_paging', limit: 300, period: 15.minutes) do |req|
@ -71,39 +87,34 @@ class Rack::Attack
end
throttle('throttle_unauthenticated_paging', limit: 300, period: 15.minutes) do |req|
req.remote_ip if req.paging_request? && req.unauthenticated?
req.throttleable_remote_ip if req.paging_request? && req.unauthenticated?
end
API_DELETE_REBLOG_REGEX = /\A\/api\/v1\/statuses\/[\d]+\/unreblog/.freeze
API_DELETE_STATUS_REGEX = /\A\/api\/v1\/statuses\/[\d]+/.freeze
API_DELETE_REBLOG_REGEX = /\A\/api\/v1\/statuses\/[\d]+\/unreblog\z/.freeze
API_DELETE_STATUS_REGEX = /\A\/api\/v1\/statuses\/[\d]+\z/.freeze
throttle('throttle_api_delete', limit: 30, period: 30.minutes) do |req|
req.authenticated_user_id if (req.post? && req.path.match?(API_DELETE_REBLOG_REGEX)) || (req.delete? && req.path.match?(API_DELETE_STATUS_REGEX))
end
throttle('throttle_sign_up_attempts/ip', limit: 25, period: 5.minutes) do |req|
if req.post? && req.path == '/auth'
addr = req.remote_ip
addr = IPAddr.new(addr) if addr.is_a?(String)
addr = addr.mask(64) if addr.ipv6?
addr.to_s
end
req.throttleable_remote_ip if req.post? && req.path_matches?('/auth')
end
throttle('throttle_password_resets/ip', limit: 25, period: 5.minutes) do |req|
req.remote_ip if req.post? && req.path == '/auth/password'
req.throttleable_remote_ip if req.post? && req.path_matches?('/auth/password')
end
throttle('throttle_password_resets/email', limit: 5, period: 30.minutes) do |req|
req.params.dig('user', 'email').presence if req.post? && req.path == '/auth/password'
req.params.dig('user', 'email').presence if req.post? && req.path_matches?('/auth/password')
end
throttle('throttle_email_confirmations/ip', limit: 25, period: 5.minutes) do |req|
req.remote_ip if req.post? && %w(/auth/confirmation /api/v1/emails/confirmations).include?(req.path)
req.throttleable_remote_ip if req.post? && (req.path_matches?('/auth/confirmation') || req.path == '/api/v1/emails/confirmations')
end
throttle('throttle_email_confirmations/email', limit: 5, period: 30.minutes) do |req|
if req.post? && req.path == '/auth/password'
if req.post? && req.path_matches?('/auth/password')
req.params.dig('user', 'email').presence
elsif req.post? && req.path == '/api/v1/emails/confirmations'
req.authenticated_user_id
@ -111,11 +122,11 @@ class Rack::Attack
end
throttle('throttle_login_attempts/ip', limit: 25, period: 5.minutes) do |req|
req.remote_ip if req.post? && req.path == '/auth/sign_in'
req.throttleable_remote_ip if req.post? && req.path_matches?('/auth/sign_in')
end
throttle('throttle_login_attempts/email', limit: 25, period: 1.hour) do |req|
req.session[:attempt_user_id] || req.params.dig('user', 'email').presence if req.post? && req.path == '/auth/sign_in'
req.session[:attempt_user_id] || req.params.dig('user', 'email').presence if req.post? && req.path_matches?('/auth/sign_in')
end
self.throttled_responder = lambda do |request|

6
config/routes.rb
View File

@ -47,7 +47,7 @@ Rails.application.routes.draw do
end
end
devise_for :users, path: 'auth', controllers: {
devise_for :users, path: 'auth', format: false, controllers: {
omniauth_callbacks: 'auth/omniauth_callbacks',
sessions: 'auth/sessions',
registrations: 'auth/registrations',
@ -182,7 +182,7 @@ Rails.application.routes.draw do
resource :statuses_cleanup, controller: :statuses_cleanup, only: [:show, :update]
get '/public', to: 'public_timelines#show', as: :public_timeline
get '/media_proxy/:id/(*any)', to: 'media_proxy#show', as: :media_proxy
get '/media_proxy/:id/(*any)', to: 'media_proxy#show', as: :media_proxy, format: false
resource :authorize_interaction, only: [:show, :create]
resource :share, only: [:show, :create]
@ -353,7 +353,7 @@ Rails.application.routes.draw do
get '/admin', to: redirect('/admin/dashboard', status: 302)
namespace :api do
namespace :api, format: false do
# OEmbed
get '/oembed', to: 'oembed#show', as: :oembed