Class: WebpayNullify

Inherits:
Object
  • Object
show all
Defined in:
lib/webpaynullify.rb

Instance Method Summary collapse

Constructor Details

#initialize(configuration) ⇒ WebpayNullify

Returns a new instance of WebpayNullify.



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# File 'lib/webpaynullify.rb', line 8

def initialize(configuration)

  @wsdl_path = ''
  @ambient = configuration.environment

  case @ambient
    when 'INTEGRACION'
      @wsdl_path='https://webpay3gint.transbank.cl/WSWebpayTransaction/cxf/WSCommerceIntegrationService?wsdl'
    when 'CERTIFICACION'
      @wsdl_path='https://webpay3gint.transbank.cl/WSWebpayTransaction/cxf/WSCommerceIntegrationService?wsdl'
    when 'PRODUCCION'
      @wsdl_path='https://webpay3g.transbank.cl/WSWebpayTransaction/cxf/WSCommerceIntegrationService?wsdl'
    else
      #Por defecto esta el ambiente de INTEGRACION
      @wsdl_path='https://webpay3gint.transbank.cl/WSWebpayTransaction/cxf/WSCommerceIntegrationService?wsdl'
  end

  @commerce_code = configuration.commerce_code
  @private_key = OpenSSL::PKey::RSA.new(configuration.private_key)
  @public_cert = OpenSSL::X509::Certificate.new(configuration.public_cert)
  @webpay_cert = OpenSSL::X509::Certificate.new(configuration.webpay_cert)
  @client = Savon.client(wsdl: @wsdl_path)

end

Instance Method Details

#nullify(authorizationCode, authorizedAmount, buyOrder, nullifyAmount, commercecode) ⇒ Object 



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# File 'lib/webpaynullify.rb', line 35

def nullify(authorizationCode, authorizedAmount, buyOrder, nullifyAmount, commercecode)


  nullifyInput ={
      "nullificationInput" => {
          "authorizationCode" => authorizationCode,
          "authorizedAmount" => authorizedAmount,
          "buyOrder" => buyOrder,
          "commerceId" => commercecode,
          "nullifyAmount" => nullifyAmount
      }
  }

  req = @client.build_request(:nullify, message: nullifyInput)

  #Firmar documento
  document = sign_xml(req)
  puts document

  begin
    response = @client.call(:nullify) do
      xml document.to_xml(:save_with => 0)
    end
  rescue Exception ,RuntimeError => e
    puts "Ocurrio un error en la llamada a Webpay: "+e.message
    response_array ={
        "error_desc" => "Ocurrio un error en la llamada a Webpay: "+e.message
    }

    return response_array
  end

  #Verificacion de certificado respuesta
  tbk_cert = OpenSSL::X509::Certificate.new(@webpay_cert)

  if !Verifier.verify(response, tbk_cert)
    puts "El Certificado de respuesta es Invalido."
    response_array ={
        "error_desc" => 'El Certificado de respuesta es Invalido'
    }
    return response_array
  else
    puts "El Certificado de respuesta es Valido."
  end


  response_document = Nokogiri::HTML(response.to_s)

  authorizationCode = response_document.xpath("//authorizationcode").text
  authorizationDate = response_document.xpath("//authorizationdate").text
  balance 				  = response_document.xpath("//balance").text
  nullifiedAmount 	= response_document.xpath("//nullifiedamount").text
  token 						= response_document.xpath("//token").text

  response_array ={
      "authorizationCode" => authorizationCode.to_s,
      "authorizationDate" => authorizationDate.to_s,
      "balance" 				  => balance.to_s,
      "nullifiedAmount" 	=> nullifiedAmount.to_s,
      "token" 						=> token.to_s,
      "error_desc"        => 'TRX_OK'
  }

  puts 'respuesta: '
  puts response_document

  return response_array
end

#sign_xml(input_xml) ⇒ Object 



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# File 'lib/webpaynullify.rb', line 106

def sign_xml (input_xml)

  document = Nokogiri::XML(input_xml.body)
  envelope = document.at_xpath("//env:Envelope")
  envelope.prepend_child("<env:Header><wsse:Security xmlns:wsse='http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd' wsse:mustUnderstand='1'/></env:Header>")
  xml = document.to_s

  signer = Signer.new(xml)

  signer.cert = OpenSSL::X509::Certificate.new(@public_cert)
  signer.private_key = OpenSSL::PKey::RSA.new(@private_key)

  signer.document.xpath("//soapenv:Body", { "soapenv" => "http://schemas.xmlsoap.org/soap/envelope/" }).each do |node|
    signer.digest!(node)
  end

  signer.sign!(:issuer_serial => true)
  signed_xml = signer.to_xml

  document = Nokogiri::XML(signed_xml)
  x509data = document.at_xpath("//*[local-name()='X509Data']")
  new_data = x509data.clone()
  new_data.set_attribute("xmlns:ds", "http://www.w3.org/2000/09/xmldsig#")

  n = Nokogiri::XML::Node.new('wsse:SecurityTokenReference', document)
  n.add_child(new_data)
  x509data.add_next_sibling(n)

  return document
end