mirror of
https://github.com/mastodon/mastodon.git
synced 2024-12-13 14:45:12 +01:00
99fa1ce93d
Deletions take a lot of resources to execute and cause a lot of federation traffic, so it makes sense to decrease the number someone can queue up through the API. 30 per 30 minutes
89 lines
2.5 KiB
Ruby
89 lines
2.5 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
require 'doorkeeper/grape/authorization_decorator'
|
|
|
|
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|
|
|
# Requests are allowed if the return value is truthy
|
|
req.ip == '127.0.0.1' || req.ip == '::1'
|
|
end
|
|
|
|
throttle('throttle_authenticated_api', limit: 300, period: 5.minutes) do |req|
|
|
req.authenticated_user_id if req.api_request?
|
|
end
|
|
|
|
throttle('throttle_unauthenticated_api', limit: 7_500, period: 5.minutes) do |req|
|
|
req.ip if req.api_request?
|
|
end
|
|
|
|
throttle('throttle_api_media', limit: 30, period: 30.minutes) do |req|
|
|
req.authenticated_user_id if req.post? && req.path.start_with?('/api/v1/media')
|
|
end
|
|
|
|
throttle('throttle_api_sign_up', limit: 5, period: 30.minutes) do |req|
|
|
req.ip if req.post? && req.path == '/api/v1/accounts'
|
|
end
|
|
|
|
API_DELETE_REBLOG_REGEX = /\A\/api\/v1\/statuses\/[\d]+\/unreblog/.freeze
|
|
API_DELETE_STATUS_REGEX = /\A\/api\/v1\/statuses\/[\d]+/.freeze
|
|
|
|
throttle('throttle_api_delete', limit: 30, period: 30.minutes) do |req|
|
|
req.authenticated_user_id if (req.post? && req.path =~ API_DELETE_REBLOG_REGEX) || (req.delete? && req.path =~ API_DELETE_STATUS_REGEX)
|
|
end
|
|
|
|
throttle('protected_paths', limit: 25, period: 5.minutes) do |req|
|
|
req.ip if req.post? && req.path =~ PROTECTED_PATHS_REGEX
|
|
end
|
|
|
|
self.throttled_response = lambda do |env|
|
|
now = Time.now.utc
|
|
match_data = env['rack.attack.match_data']
|
|
|
|
headers = {
|
|
'Content-Type' => 'application/json',
|
|
'X-RateLimit-Limit' => match_data[:limit].to_s,
|
|
'X-RateLimit-Remaining' => '0',
|
|
'X-RateLimit-Reset' => (now + (match_data[:period] - now.to_i % match_data[:period])).iso8601(6),
|
|
}
|
|
|
|
[429, headers, [{ error: I18n.t('errors.429') }.to_json]]
|
|
end
|
|
end
|