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Contents
module Rack; module Throttle
##
# This rate limiter strategy throttles the application by defining a
# maximum number of allowed HTTP requests per hour (by default, 3,600
# requests per 60 minutes, which works out to an average of 1 request per
# second).
#
# Note that this strategy doesn't use a sliding time window, but rather
# tracks requests per distinct hour. This means that the throttling
# counter is reset every hour on the hour (according to the server's local
# timezone).
#
# @example Allowing up to 3,600 requests per hour
# use Rack::Throttle::Hourly
#
# @example Allowing up to 100 requests per hour
# use Rack::Throttle::Hourly, :max => 100
#
class Hourly < TimeWindow
##
# @param [#call] app
# @param [Hash{Symbol => Object}] options
# @option options [Integer] :max (3600)
def initialize(app, options = {})
super
end
##
def max_per_hour
@max_per_hour ||= options[:max_per_hour] || options[:max] || 3_600
end
alias_method :max_per_window, :max_per_hour
protected
##
# @param [Rack::Request] request
# @return [String]
def cache_key(request)
[super, Time.now.strftime('%Y-%m-%dT%H')].join(':')
end
end
end; end
Version data entries
13 entries across 13 versions & 4 rubygems