Kartris User Guide

17.21. WorldPay

Note: for legacy reasons, some aspects of WorldPay within Kartris are still referred to as RBS WorldPay, though WorldPay is once again independent and separately branded as simply 'WorldPay'.

17.21.1. Setup within Kartris

  1. Go to Configuration > Payment and Shipping Gateways and click to edit RBSWorldPay.
  2. For the 'friendly name', enter the name you want this payment system to be referred to on the front of your site where customers select it, for example 'Pay by credit card with WorldPay'.
  3. Change the status from 'OFF' to 'ON' (for live orders) or 'TEST' or 'FAKE' for testing. 'TEST' means that a test order will be passed, allowing you to test the full integration and pass multiple orders and no cost without needed to do refunds. 'FAKE' means that Kartris will skip the WorldPay payment process and instead format a post back itself to the callback page of Kartris. This is useful for testing that the callback process works, triggers the appropriate emails and so on without keep having to keep going through the WorldPay test payment process.
  4. ProcessCurrency - If your WorldPay account can process orders in all the currencies you have available for customers to use on the site, then you can leave this blank to process the order in whatever currency the customer is using. If you cannot process all the currencies available, you can convert all orders to a specified currency at checkout. The total will be shown to the user in both currencies, with an explanation. For example, setting this to 'GBP' will convert all orders to British Pounds at checkout.
  5. Test URL - (for test orders) should be:
    https://secure-test.worldpay.com/wcc/purchase
  6. Post URL - (for live orders) should be:
    https://secure.worldpay.com/wcc/purchase
  7. AuthMode - This should be set to 'A' to authorize and bill transactions or 'E' to just authorize and hold funds (useful if you wish to do further fraud screening before accepting the payment). You will need to contact your WorldPay representative to set this facility up. Transactions can only be held unbilled for a few days before they lapse - see WorldPay’s documentation for further information. If you just hold transactions, you must login to your WorldPay admin area and manually choose to bill a transaction.
  8. InstallID - WorldPay will give you a unique number for your installation, which needs to go here.
  9. CallbackPassword - This value should match the password you set within your WorldPay account (see below)

17.21.2. Setup within WorldPay

  1. Check the 'Payment Response Enabled' box.
  2. Enter the 'Payment Response URL' as http://www.yoursite.xyz/callback-worldpay.aspx
  3. Check the 'Enable Shopper Response' box. This will show a text version of the order on WP.
  4. If you want to have a standard looking WorldPay confirmation page, uncheck the 'Enable Shopper Response' box. You can then customize the page returned using resultY.html and resultC.htm pages.
    http://www.worldpay.com/support/kb/bg/customisingadvanced/custa7105.html

17.21.3. Templating the WorldPay response

When WorldPay calls back your site, you can send HTML to WorldPay of a response that you wish it to relay to the customer. In this way, when the customer successfully pays, they see your confirmation page on the WorldPay secure area.

For security reasons, WorldPay restricts the HTML tags that can be used in the template. Javascript and embedded objects are banned. You should refer to WorldPay documentation for more details.

The response to WorldPay from Kartris is formatted using a file which should be placed here on your site:

/Skins/[your skin]/templates/Callback_RBSWorldPay.html
 
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