Contents

# -*- encoding : utf-8 -*-
module Rubykassa
  module SignatureGenerator
    def generate_signature_for kind
      raise ArgumentError, "Available kinds are only :payment, :result or :success" unless [:success, :payment, :result].include? kind
      custom_params = @params.keys.select {|key| key =~ /^shp/ }.sort.map {|key| "#{key}=#{params[key]}"}
      custom_params_string = custom_params.present? ? ":#{custom_params}" : ""
      
      Digest::MD5.hexdigest(params_string(kind, custom_params_string))
    end

    def params_string kind, custom_params_string
      string = case kind
      when :payment
        [Rubykassa.login, @total, @invoice_id, Rubykassa.first_password].join(":") + custom_params_string
      when :result
        [@total, @invoice_id, Rubykassa.second_password].join(":") + custom_params_string
      when :success
        [@total, @invoice_id, Rubykassa.first_password].join(":") + custom_params_string
      end
    end
  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
rubykassa-0.2.5	lib/rubykassa/signature_generator.rb
rubykassa-0.2.4	lib/rubykassa/signature_generator.rb
rubykassa-0.2.3	lib/rubykassa/signature_generator.rb
rubykassa-0.2.2	lib/rubykassa/signature_generator.rb
rubykassa-0.2.0	lib/rubykassa/signature_generator.rb