# 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
# 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
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