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106 lines
3.2 KiB
106 lines
3.2 KiB
# frozen_string_literal: true |
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require 'doorkeeper/grape/authorization_decorator' |
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class Rack::Attack |
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class Request |
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def authenticated_token |
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return @token if defined?(@token) |
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@token = Doorkeeper::OAuth::Token.authenticate( |
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Doorkeeper::Grape::AuthorizationDecorator.new(self), |
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*Doorkeeper.configuration.access_token_methods |
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) |
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end |
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def remote_ip |
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@remote_ip ||= (@env["action_dispatch.remote_ip"] || ip).to_s |
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end |
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def authenticated_user_id |
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authenticated_token&.resource_owner_id |
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end |
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def unauthenticated? |
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!authenticated_user_id |
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end |
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def api_request? |
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path.start_with?('/api') |
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end |
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def web_request? |
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!api_request? |
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end |
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def paging_request? |
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params['page'].present? || params['min_id'].present? || params['max_id'].present? || params['since_id'].present? |
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end |
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end |
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PROTECTED_PATHS = %w( |
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/auth/sign_in |
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/auth |
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/auth/password |
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).freeze |
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PROTECTED_PATHS_REGEX = Regexp.union(PROTECTED_PATHS.map { |path| /\A#{Regexp.escape(path)}/ }) |
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Rack::Attack.safelist('allow from localhost') do |req| |
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req.remote_ip == '127.0.0.1' || req.remote_ip == '::1' |
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end |
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throttle('throttle_authenticated_api', limit: 300, period: 5.minutes) do |req| |
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req.authenticated_user_id if req.api_request? |
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end |
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throttle('throttle_unauthenticated_api', limit: 300, period: 5.minutes) do |req| |
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req.remote_ip if req.api_request? && req.unauthenticated? |
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end |
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throttle('throttle_api_media', limit: 30, period: 30.minutes) do |req| |
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req.authenticated_user_id if req.post? && req.path.start_with?('/api/v1/media') |
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end |
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throttle('throttle_media_proxy', limit: 30, period: 10.minutes) do |req| |
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req.remote_ip if req.path.start_with?('/media_proxy') |
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end |
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throttle('throttle_api_sign_up', limit: 5, period: 30.minutes) do |req| |
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req.remote_ip if req.post? && req.path == '/api/v1/accounts' |
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end |
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# Throttle paging, as it is mainly used for public pages and AP collections |
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throttle('throttle_authenticated_paging', limit: 300, period: 15.minutes) do |req| |
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req.authenticated_user_id if req.paging_request? |
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end |
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throttle('throttle_unauthenticated_paging', limit: 300, period: 15.minutes) do |req| |
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req.remote_ip if req.paging_request? && req.unauthenticated? |
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end |
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API_DELETE_REBLOG_REGEX = /\A\/api\/v1\/statuses\/[\d]+\/unreblog/.freeze |
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API_DELETE_STATUS_REGEX = /\A\/api\/v1\/statuses\/[\d]+/.freeze |
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throttle('throttle_api_delete', limit: 30, period: 30.minutes) do |req| |
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req.authenticated_user_id if (req.post? && req.path =~ API_DELETE_REBLOG_REGEX) || (req.delete? && req.path =~ API_DELETE_STATUS_REGEX) |
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end |
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throttle('protected_paths', limit: 25, period: 5.minutes) do |req| |
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req.remote_ip if req.post? && req.path =~ PROTECTED_PATHS_REGEX |
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end |
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self.throttled_response = lambda do |env| |
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now = Time.now.utc |
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match_data = env['rack.attack.match_data'] |
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headers = { |
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'Content-Type' => 'application/json', |
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'X-RateLimit-Limit' => match_data[:limit].to_s, |
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'X-RateLimit-Remaining' => '0', |
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'X-RateLimit-Reset' => (now + (match_data[:period] - now.to_i % match_data[:period])).iso8601(6), |
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} |
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[429, headers, [{ error: I18n.t('errors.429') }.to_json]] |
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end |
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end
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