debian-mirror-gitlab/lib/gitlab/rack_attack/request.rb

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# frozen_string_literal: true
module Gitlab
module RackAttack
module Request
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include ::Gitlab::Utils::StrongMemoize
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FILES_PATH_REGEX = %r{^/api/v\d+/projects/[^/]+/repository/files/.+}.freeze
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GROUP_PATH_REGEX = %r{^/api/v\d+/groups/[^/]+/?$}.freeze
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def unauthenticated?
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!(authenticated_identifier([:api, :rss, :ics]) || authenticated_runner_id)
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end
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def throttled_identifer(request_formats)
identifier = authenticated_identifier(request_formats)
return unless identifier
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identifier_type = identifier[:identifier_type]
identifier_id = identifier[:identifier_id]
if identifier_type == :user && Gitlab::RackAttack.user_allowlist.include?(identifier_id)
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Gitlab::Instrumentation::Throttle.safelist = 'throttle_user_allowlist'
return
end
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"#{identifier_type}:#{identifier_id}"
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end
def authenticated_runner_id
request_authenticator.runner&.id
end
def api_request?
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logical_path.start_with?('/api')
end
def logical_path
@logical_path ||= path.delete_prefix(Gitlab.config.gitlab.relative_url_root)
end
def matches?(regex)
logical_path.match?(regex)
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end
def api_internal_request?
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matches?(%r{^/api/v\d+/internal/})
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end
def health_check_request?
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matches?(%r{^/-/(health|liveness|readiness|metrics)})
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end
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def container_registry_event?
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matches?(%r{^/api/v\d+/container_registry_event/})
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end
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def product_analytics_collector_request?
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logical_path.start_with?('/-/collector/i')
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end
def should_be_skipped?
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api_internal_request? || health_check_request? || container_registry_event?
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end
def web_request?
!api_request? && !health_check_request?
end
def protected_path?
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matches?(protected_paths_regex)
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end
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def throttle?(throttle, authenticated:)
fragment = Gitlab::Throttle.throttle_fragment!(throttle, authenticated: authenticated)
__send__("#{fragment}?") # rubocop:disable GitlabSecurity/PublicSend
end
def throttle_unauthenticated_api?
api_request? &&
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!should_be_skipped? &&
!frontend_request? &&
!throttle_unauthenticated_packages_api? &&
!throttle_unauthenticated_files_api? &&
!throttle_unauthenticated_deprecated_api? &&
Gitlab::Throttle.settings.throttle_unauthenticated_api_enabled &&
unauthenticated?
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end
def throttle_unauthenticated_web?
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(web_request? || frontend_request?) &&
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!should_be_skipped? &&
# TODO: Column will be renamed in https://gitlab.com/gitlab-org/gitlab/-/issues/340031
Gitlab::Throttle.settings.throttle_unauthenticated_enabled &&
unauthenticated?
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end
def throttle_authenticated_api?
api_request? &&
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!frontend_request? &&
!throttle_authenticated_packages_api? &&
!throttle_authenticated_files_api? &&
!throttle_authenticated_deprecated_api? &&
Gitlab::Throttle.settings.throttle_authenticated_api_enabled
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end
def throttle_authenticated_web?
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(web_request? || frontend_request?) &&
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!throttle_authenticated_git_lfs? &&
Gitlab::Throttle.settings.throttle_authenticated_web_enabled
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end
def throttle_unauthenticated_protected_paths?
post? &&
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!should_be_skipped? &&
protected_path? &&
Gitlab::Throttle.protected_paths_enabled? &&
unauthenticated?
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end
def throttle_authenticated_protected_paths_api?
post? &&
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api_request? &&
protected_path? &&
Gitlab::Throttle.protected_paths_enabled?
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end
def throttle_authenticated_protected_paths_web?
post? &&
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web_request? &&
protected_path? &&
Gitlab::Throttle.protected_paths_enabled?
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end
def throttle_unauthenticated_packages_api?
packages_api_path? &&
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Gitlab::Throttle.settings.throttle_unauthenticated_packages_api_enabled &&
unauthenticated?
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end
def throttle_authenticated_packages_api?
packages_api_path? &&
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Gitlab::Throttle.settings.throttle_authenticated_packages_api_enabled
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end
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def throttle_authenticated_git_lfs?
git_lfs_path? &&
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Gitlab::Throttle.settings.throttle_authenticated_git_lfs_enabled
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end
def throttle_unauthenticated_files_api?
files_api_path? &&
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Gitlab::Throttle.settings.throttle_unauthenticated_files_api_enabled &&
unauthenticated?
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end
def throttle_authenticated_files_api?
files_api_path? &&
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Gitlab::Throttle.settings.throttle_authenticated_files_api_enabled
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end
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def throttle_unauthenticated_deprecated_api?
deprecated_api_request? &&
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Gitlab::Throttle.settings.throttle_unauthenticated_deprecated_api_enabled &&
unauthenticated?
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end
def throttle_authenticated_deprecated_api?
deprecated_api_request? &&
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Gitlab::Throttle.settings.throttle_authenticated_deprecated_api_enabled
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end
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private
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def authenticated_identifier(request_formats)
requester = request_authenticator.find_authenticated_requester(request_formats)
return unless requester
identifier_type = if requester.is_a?(DeployToken)
:deploy_token
else
:user
end
{ identifier_type: identifier_type, identifier_id: requester.id }
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end
def request_authenticator
@request_authenticator ||= Gitlab::Auth::RequestAuthenticator.new(self)
end
def protected_paths
Gitlab::CurrentSettings.current_application_settings.protected_paths
end
def protected_paths_regex
Regexp.union(protected_paths.map { |path| /\A#{Regexp.escape(path)}/ })
end
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def packages_api_path?
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matches?(::Gitlab::Regex::Packages::API_PATH_REGEX)
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end
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def git_lfs_path?
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matches?(::Gitlab::PathRegex.repository_git_lfs_route_regex)
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end
def files_api_path?
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matches?(FILES_PATH_REGEX)
end
def frontend_request?
strong_memoize(:frontend_request) do
next false unless env.include?('HTTP_X_CSRF_TOKEN') && session.include?(:_csrf_token)
# CSRF tokens are not verified for GET/HEAD requests, so we pretend that we always have a POST request.
Gitlab::RequestForgeryProtection.verified?(env.merge('REQUEST_METHOD' => 'POST'))
end
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end
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def deprecated_api_request?
# The projects member of the groups endpoint is deprecated. If left
# unspecified, with_projects defaults to true
with_projects = params['with_projects']
with_projects = true if with_projects.blank?
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matches?(GROUP_PATH_REGEX) && Gitlab::Utils.to_boolean(with_projects)
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end
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end
end
end
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::Gitlab::RackAttack::Request.prepend_mod_with('Gitlab::RackAttack::Request')