Implements iPizza protocol to communicate with Estonian Banks.

Gem implements support for iPizza services (1011, 1012, 4011 and 4012) that are supported by members of the Estonian Banking Association since October 2014.

If you need to use this gem with old iPizza services implementations (1001, 1002, 4001 and 4002), use 1.0.0 version of this gem (NB! support for these services will end on 31 December 2015).

Add gem dependency in your Gemfile and install the gem:

gem 'ipizza'

Since ipizza gem version 1.0.0, Ruby 1.8 support has been dropped. If you need to use this gem with older versions of Ruby, use 0.7.1 version of this gem.

Configuration can be made in two different ways, using Ipizza::Config.configure block or loading configuration properties from YAML file.

Loading from YAML file:

Ipizza::Config.load_from_file('config.yml')

Configuration values should be set in YAML file in provider.attribute_value format. See example YAML file below in "Configuration parameters" section.

At any time, configuration can be modified with Ipizza::Config.configure block:

Ipizza::Config.configure do |c|
  c.certs_root            = '/path/to/certificates'
  c.swedbank_service_url  = 'http://foo.bar/swedbank'
end

swedbank:
  service_url: http://foo.bar/swedbank
  return_url: http://mycompany.com/store
  cancel_url: http://mycompany.com/cancel
  
  # Your private key file path. Can be specified relatively
  # to YAML file
  file_key: ./certificates/my_private.key
  
  # If your private key is protected with password,
  # provide it here
  key_secret: private_key_password
  
  # Path to bank's public key file. Can be specified
  # relatively to YAML file
  file_cert: ./certificates/bank_public.crt
  snd_id: dealer
  encoding: UTF-8

payment = Ipizza::Payment.new(
  :stamp => 1, :amount => '123.34', :refnum => 1,
  :message => 'Payment message', :currency => 'EUR'
)
request = Ipizza::Provider::Swedbank.new.payment_request(@payment)

request = Ipizza::Provider::Swedbank.new.authentication_request

response = Ipizza::Provider::Swedbank.new.authentication_response({'VK_PARAM_1' => 'VALUE 1', ...})
response.valid?

This library currently works with four Estonian Banks. Here are their respective interface specifications:

• Swedbank
• SEB
• Danske Bank
• Krediidipank
• LHV Bank
• Nordea (uses SOLO protocol)

• pangalink.net
• Repository
• Issue tracker

• Thanks to all contributors!
• Tarmo Talu (Thanks for the 7-3-1 algorithm)