Parent

Methods

Rack::Attack::Throttle

Constants

MANDATORY_OPTIONS

Attributes

block[R]
limit[R]
name[R]
period[R]

Public Class Methods

new(name, options, block) click to toggle source
# File lib/rack/attack/throttle.rb, line 6
def initialize(name, options, block)
  @name, @block = name, block
  MANDATORY_OPTIONS.each do |opt|
    raise ArgumentError.new("Must pass #{opt.inspect} option") unless options[opt]
  end
  @limit  = options[:limit]
  @period = options[:period].to_i
end

Public Instance Methods

[](req) click to toggle source
# File lib/rack/attack/throttle.rb, line 19
def [](req)
  discriminator = block[req]
  return false unless discriminator

  key = "#{name}:#{discriminator}"
  count = cache.count(key, period)
  data = {
    :count => count,
    :period => period,
    :limit => limit
  }
  (req.env['rack.attack.throttle_data'] ||= {})[name] = data

  (count > limit).tap do |throttled|
    if throttled
      req.env['rack.attack.matched']    = name
      req.env['rack.attack.match_type'] = :throttle
      req.env['rack.attack.match_data'] = data
      Rack::Attack.instrument(req)
    end
  end
end
cache() click to toggle source
# File lib/rack/attack/throttle.rb, line 15
def cache
  Rack::Attack.cache
end

[Validate]

Generated with the Darkfish Rdoc Generator 2.