85 lines
3.1 KiB
Ruby
85 lines
3.1 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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class Throttle
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DEFAULT_RATE_LIMITING_RESPONSE_TEXT = 'Retry later'
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# Each of these settings follows the same pattern of specifying separate
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# authenticated and unauthenticated rates via settings. New throttles should
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# ideally be regular as well.
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REGULAR_THROTTLES = [:api, :packages_api, :files_api].freeze
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def self.settings
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Gitlab::CurrentSettings.current_application_settings
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end
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# Returns true if we should use the Admin Area protected paths throttle
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def self.protected_paths_enabled?
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self.settings.throttle_protected_paths_enabled?
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end
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def self.omnibus_protected_paths_present?
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Rack::Attack.throttles.key?('protected paths')
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end
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def self.bypass_header
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env_value = ENV['GITLAB_THROTTLE_BYPASS_HEADER']
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return unless env_value.present?
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"HTTP_#{env_value.upcase.tr('-', '_')}"
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end
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class << self
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def options(throttle, authenticated:)
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fragment = throttle_fragment!(throttle, authenticated: authenticated)
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# rubocop:disable GitlabSecurity/PublicSend
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limit_proc = proc { |req| settings.public_send("#{fragment}_requests_per_period") }
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period_proc = proc { |req| settings.public_send("#{fragment}_period_in_seconds").seconds }
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# rubocop:enable GitlabSecurity/PublicSend
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{ limit: limit_proc, period: period_proc }
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end
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def throttle_fragment!(throttle, authenticated:)
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raise("Unknown throttle: #{throttle}") unless REGULAR_THROTTLES.include?(throttle)
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"throttle_#{'un' unless authenticated}authenticated_#{throttle}"
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end
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end
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def self.unauthenticated_web_options
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# TODO: Columns will be renamed in https://gitlab.com/gitlab-org/gitlab/-/issues/340031
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# Once this is done, web can be made into a regular throttle
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limit_proc = proc { |req| settings.throttle_unauthenticated_requests_per_period }
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period_proc = proc { |req| settings.throttle_unauthenticated_period_in_seconds.seconds }
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{ limit: limit_proc, period: period_proc }
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end
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def self.authenticated_web_options
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limit_proc = proc { |req| settings.throttle_authenticated_web_requests_per_period }
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period_proc = proc { |req| settings.throttle_authenticated_web_period_in_seconds.seconds }
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{ limit: limit_proc, period: period_proc }
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end
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def self.protected_paths_options
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limit_proc = proc { |req| settings.throttle_protected_paths_requests_per_period }
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period_proc = proc { |req| settings.throttle_protected_paths_period_in_seconds.seconds }
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{ limit: limit_proc, period: period_proc }
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end
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def self.throttle_authenticated_git_lfs_options
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limit_proc = proc { |req| settings.throttle_authenticated_git_lfs_requests_per_period }
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period_proc = proc { |req| settings.throttle_authenticated_git_lfs_period_in_seconds.seconds }
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{ limit: limit_proc, period: period_proc }
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end
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def self.rate_limiting_response_text
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(settings.rate_limiting_response_text.presence || DEFAULT_RATE_LIMITING_RESPONSE_TEXT) + "\n"
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end
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end
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end
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