require 'rexml/document'
module ActiveMerchant #:nodoc:
module Billing #:nodoc:
# To learn more about the Moneris gateway, please contact
# eselectplus@moneris.com for a copy of their integration guide. For
# information on remote testing, please see "Test Environment Penny Value
# Response Table", and "Test Environment eFraud (AVS and CVD) Penny
# Response Values", available at Moneris' {eSelect Plus Documentation
# Centre}[https://www3.moneris.com/connect/en/documents/index.html].
class MonerisGateway < Gateway
TEST_URL = 'https://esqa.moneris.com/gateway2/servlet/MpgRequest'
LIVE_URL = 'https://www3.moneris.com/gateway2/servlet/MpgRequest'
self.supported_countries = ['CA']
self.supported_cardtypes = [:visa, :master, :american_express, :diners_club, :discover]
self.homepage_url = 'http://www.moneris.com/'
self.display_name = 'Moneris'
# login is your Store ID
# password is your API Token
def initialize(options = {})
requires!(options, :login, :password)
@options = { :crypt_type => 7 }.update(options)
super
end
# Referred to as "PreAuth" in the Moneris integration guide, this action
# verifies and locks funds on a customer's card, which then must be
# captured at a later date.
#
# Pass in +order_id+ and optionally a +customer+ parameter.
def authorize(money, creditcard, options = {})
debit_commit 'preauth', money, creditcard, options
end
# This action verifies funding on a customer's card, and readies them for
# deposit in a merchant's account.
#
# Pass in <tt>order_id</tt> and optionally a <tt>customer</tt> parameter
def purchase(money, creditcard, options = {})
debit_commit 'purchase', money, creditcard, options
end
# This method retrieves locked funds from a customer's account (from a
# PreAuth) and prepares them for deposit in a merchant's account.
#
# Note: Moneris requires both the order_id and the transaction number of
# the original authorization. To maintain the same interface as the other
# gateways the two numbers are concatenated together with a ; separator as
# the authorization number returned by authorization
def capture(money, authorization, options = {})
commit 'completion', crediting_params(authorization, :comp_amount => amount(money))
end
# Voiding requires the original transaction ID and order ID of some open
# transaction. Closed transactions must be refunded. Note that the only
# methods which may be voided are +capture+ and +purchase+.
#
# Concatenate your transaction number and order_id by using a semicolon
# (';'). This is to keep the Moneris interface consistent with other
# gateways. (See +capture+ for details.)
def void(authorization, options = {})
commit 'purchasecorrection', crediting_params(authorization)
end
# Performs a refund. This method requires that the original transaction
# number and order number be included. Concatenate your transaction
# number and order_id by using a semicolon (';'). This is to keep the
# Moneris interface consistent with other gateways. (See +capture+ for
# details.)
def credit(money, authorization, options = {})
deprecated CREDIT_DEPRECATION_MESSAGE
refund(money, authorization, options)
end
def refund(money, authorization, options = {})
commit 'refund', crediting_params(authorization, :amount => amount(money))
end
private # :nodoc: all
def expdate(creditcard)
sprintf("%.4i", creditcard.year)[-2..-1] + sprintf("%.2i", creditcard.month)
end
def debit_commit(commit_type, money, creditcard, options)
requires!(options, :order_id)
commit(commit_type, debit_params(money, creditcard, options))
end
# Common params used amongst the +purchase+ and +authorization+ methods
def debit_params(money, creditcard, options = {})
{
:order_id => options[:order_id],
:cust_id => options[:customer],
:amount => amount(money),
:pan => creditcard.number,
:expdate => expdate(creditcard),
:crypt_type => options[:crypt_type] || @options[:crypt_type]
}
end
# Common params used amongst the +credit+, +void+ and +capture+ methods
def crediting_params(authorization, options = {})
{
:txn_number => split_authorization(authorization).first,
:order_id => split_authorization(authorization).last,
:crypt_type => options[:crypt_type] || @options[:crypt_type]
}.merge(options)
end
# Splits an +authorization+ param and retrives the order id and
# transaction number in that order.
def split_authorization(authorization)
if authorization.nil? || authorization.empty? || authorization !~ /;/
raise ArgumentError, 'You must include a valid authorization code (e.g. "1234;567")'
else
authorization.split(';')
end
end
def commit(action, parameters = {})
response = parse(ssl_post(test? ? TEST_URL : LIVE_URL, post_data(action, parameters)))
Response.new(successful?(response), message_from(response[:message]), response,
:test => test?,
:authorization => authorization_from(response)
)
end
# Generates a Moneris authorization string of the form 'trans_id;receipt_id'.
def authorization_from(response = {})
if response[:trans_id] && response[:receipt_id]
"#{response[:trans_id]};#{response[:receipt_id]}"
end
end
# Tests for a successful response from Moneris' servers
def successful?(response)
response[:response_code] &&
response[:complete] &&
(0..49).include?(response[:response_code].to_i)
end
def parse(xml)
response = { :message => "Global Error Receipt", :complete => false }
hashify_xml!(xml, response)
response
end
def hashify_xml!(xml, response)
xml = REXML::Document.new(xml)
return if xml.root.nil?
xml.elements.each('//receipt/*') do |node|
response[node.name.underscore.to_sym] = normalize(node.text)
end
end
def post_data(action, parameters = {})
xml = REXML::Document.new
root = xml.add_element("request")
root.add_element("store_id").text = options[:login]
root.add_element("api_token").text = options[:password]
transaction = root.add_element(action)
# Must add the elements in the correct order
actions[action].each do |key|
transaction.add_element(key.to_s).text = parameters[key] unless parameters[key].blank?
end
xml.to_s
end
def message_from(message)
return 'Unspecified error' if message.blank?
message.gsub(/[^\w]/, ' ').split.join(" ").capitalize
end
# Make a Ruby type out of the response string
def normalize(field)
case field
when "true" then true
when "false" then false
when '', "null" then nil
else field
end
end
def actions
{
"purchase" => [:order_id, :cust_id, :amount, :pan, :expdate, :crypt_type],
"preauth" => [:order_id, :cust_id, :amount, :pan, :expdate, :crypt_type],
"command" => [:order_id],
"refund" => [:order_id, :amount, :txn_number, :crypt_type],
"indrefund" => [:order_id, :cust_id, :amount, :pan, :expdate, :crypt_type],
"completion" => [:order_id, :comp_amount, :txn_number, :crypt_type],
"purchasecorrection" => [:order_id, :txn_number, :crypt_type],
"cavvpurcha" => [:order_id, :cust_id, :amount, :pan, :expdate, :cav],
"cavvpreaut" => [:order_id, :cust_id, :amount, :pan, :expdate, :cavv],
"transact" => [:order_id, :cust_id, :amount, :pan, :expdate, :crypt_type],
"Batchcloseall" => [],
"opentotals" => [:ecr_number],
"batchclose" => [:ecr_number]
}
end
end
end
end