Contents

# -*- encoding : utf-8 -*-
require 'digest'

module OpenPayU

  class Document

    def generate_signature_structure(data, algorithm, pos_id = '', key = '')
      if key.empty?
        raise WrongConfigurationError,
              'Merchant Signature Key (signature_key)
              should not be null or empty.'
      end
      raise WrongConfigurationError,
            'Merchant Pos Id (merchant_pos_id) should
            not be null or empty.' if pos_id.blank?
      signature = generate_signature(data, algorithm, key)
      "sender=#{pos_id};signature=#{signature};algorithm=#{algorithm}"
    end

    def generate_signature(data, algorithm, signature_key)
      data = data + signature_key.to_s
      if algorithm == 'MD5'
        signature = Digest::MD5.hexdigest(data)
      elsif %w(SHA SHA1 SHA-1).include? algorithm
        signature = Digest::SHA1.hexdigest data
      elsif %w(SHA-256 SHA256 SHA_256).include? algorithm
        signature = Digest::SHA256.hexdigest data
      else
        signature = ''
      end
      signature
    end

    def verify_response
      unless @response
        raise EmptyResponseError,
              "Got empty response from request: #{@request.try(:body)}"
      end
      if ( response.is_a?(OpenPayU::Documents::Request) ||
            %w(200 201 422 302).include?(response.code)) 
        true
      else
        raise HttpStatusException,
              "Invalid HTTP response code (#{@response.code}).
              Response body: #{@body}."
      end
    end

    def underscore_keys(hash)
      deep_transform_keys(hash) { |key| key.underscore }
    end

    def deep_transform_keys(hash, &block)
      result = {}
      hash.each do |key, value|
        result[yield(key)] =
          if value.is_a?(Hash)
            deep_transform_keys(value, &block)
          else
            value
          end
      end
      result
    end

  end

end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
openpayu-0.1.2	lib/openpayu/document.rb