Class: VisaNetUy::PlugIn

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ PlugIn

Returns a new instance of PlugIn.



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# File 'lib/visa_net_uy/plug_in.rb', line 5

def initialize(options = {})
  unless block_given?
    options.each do |key, value|
      send(:"#{key}=", value)
    end
  else
    yield(self)
  end
end

Instance Attribute Details

#cipher_private_key ⇒ Object

Returns the value of attribute cipher_private_key.



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# File 'lib/visa_net_uy/plug_in.rb', line 3

def cipher_private_key
  @cipher_private_key
end

#cipher_public_key ⇒ Object

Returns the value of attribute cipher_public_key.



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# File 'lib/visa_net_uy/plug_in.rb', line 3

def cipher_public_key
  @cipher_public_key
end

#iv ⇒ Object

Returns the value of attribute iv.



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# File 'lib/visa_net_uy/plug_in.rb', line 3

def iv
  @iv
end

#signature_private_key ⇒ Object

Returns the value of attribute signature_private_key.



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# File 'lib/visa_net_uy/plug_in.rb', line 3

def signature_private_key
  @signature_private_key
end

#signature_public_key ⇒ Object

Returns the value of attribute signature_public_key.



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# File 'lib/visa_net_uy/plug_in.rb', line 3

def signature_public_key
  @signature_public_key
end

Instance Method Details

#vpos_request_params(fields) ⇒ Object 



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# File 'lib/visa_net_uy/plug_in.rb', line 15

def vpos_request_params(fields)
  request_params = {}

  # Check for required fields
  fields.include?('acquirerId') ? (request_params['IDACQUIRER'] = fields['acquirerId']) : (raise "Misssing acquirerId field.")
  fields.include?('commerceId') ? (request_params['IDCOMMERCE'] = fields['commerceId']) : (raise "Misssing commerceId field.")

  # Generate XML from fields
  xml = xmler.generate(fields)

  # Generate SessionKey
  session_key = cipher.generate_session_key

  # Generate digital signature
  urlsafe_base64_signature = signer.generate_urlsafe_base64_signature(xml, signature_private_key)
  request_params['DIGITALSIGN'] = urlsafe_base64_signature

  # Cipher XML
  urlsafe_base64_encrypted_xml = cipher.urlsafe_base64_symmetric_encrypt(xml, session_key, iv)
  request_params['XMLREQ'] = urlsafe_base64_encrypted_xml

  # Cipher SessionKey
  urlsafe_base64_encrypted_session_key = cipher.urlsafe_base64_asymmetric_encrypt(session_key, cipher_public_key)
  request_params['SESSIONKEY'] = urlsafe_base64_encrypted_session_key

  request_params
end

#vpos_response_fields(response) ⇒ Object 



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# File 'lib/visa_net_uy/plug_in.rb', line 43

def vpos_response_fields(response)
  # Check for required fields
  response.include?('SESSIONKEY') ? (session_key = response['SESSIONKEY']) : (raise "Misssing SESSIONKEY.")
  response.include?('XMLRES') ? (xmlres = response['XMLRES']) : (raise "Misssing XMLRES.")
  response.include?('DIGITALSIGN') ? (digital_sing = response['DIGITALSIGN']) : (raise "Misssing DIGITALSIGN.")

  # Decrypt Session Key
  session_key = cipher.urlsafe_base64_asymmetric_decrypt(session_key, cipher_private_key)

  # Decrypt XML
  xml = cipher.urlsafe_base64_symmetric_decrypt(xmlres, session_key, iv)

  # Verify Signature
  raise 'Invalid Signature.' unless signer.verify_urlsafe_base64_signature(xml, digital_sing, signature_public_key)

  # Parse XML
  xmler.parse(xml)
end