viaKLIX2 Enhanced Payment Module

viaKLIX2 Updated & Enhanced Payment Module for ZenCart 1.2.x and 1.3.x
Re-Written by rtw819 - April 2007 - Version 2.4 - Released 11/26/2007

- MAJOR: Added many useful logging/debugging features with configurable detail levels
- MAJOR: Supports both PHP cURL and Command Line cURL options as well as Proxy options!!
- MAJOR: viaKLIX interface corrections - many fields were passed improperly or not at all

- Fixed many issues with information being passed to viaKLIX under the WRONG
field names, or in incorrect formats
- Included many other previously missing and/or incorrectly defined fields for
viaKLIX API interface submissions
- Updated CC# check javascript code so that it functions properly
- Now forcing user to enter a valid CVV2 code, instead of using the "CVV Indicator" field
- AVS and CVV2 verification now works, uses the right fields being sent with correct names
- Fixed for 2-letter state abbreviations, was broken for any states with more than 10 character names, users from long states could not pay as the transactions were broken!!
- URL encoded any fields with potential for spaces or any other unusual characters
- Added Customer Order Number and Customer Comments to viaKLIX fields
- Fixed 30-character viaKLIX MAX for bill & ship Address fields (broken transactions)
- Added CVV2 and AVS response code result tables (viaKLIX responses) for debugging / validation

- This module now takes advantage of the Message Stack at the Top of the
ZenCart shopping cart for user responses/notices/errors/approvals/etc.
- Enhanced user, internal, system and cURL trouble and error detection and reporting
- Added facility to email the site owner upon module/user problems or errors

- This module detects and alerts the Admin when PHP based cURL is missing
- Added selection option to use PHP cURL or cURL binary executable
- Curl output debugging is logged, for both PHP and command line cURL
- Curl runs are timed and logged in debug mode
- Added a configurable TIMEOUT value for cURL transaction requests
- Added command line curl response code result table

- Added a configurable log file for debugging log output to file (see README.txt)
- Debug logging records viaKLIX return code and status results, CVV2 code match status,
AVS code match status, Transaction ID code and Approval code details
- Debug logging records cURL input/output results information