TimeTrex/classes/pear/Payment/Process/AuthorizeNet.php

740 lines
30 KiB
PHP

<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
/**
* Authorize.Net processor
*
* PHP versions 4 and 5
*
* LICENSE: This source file is subject to version 3.0 of the PHP license
* that is available through the world-wide-web at the following URI:
* http://www.php.net/license/3_0.txt. If you did not receive a copy of
* the PHP License and are unable to obtain it through the web, please
* send a note to license@php.net so we can mail you a copy immediately.
*
* @category Payment
* @package Payment_Process
* @author Joe Stump <joe@joestump.net> |
* @author Philippe Jausions <Philippe.Jausions@11abacus.com>
* @copyright 1997-2005 The PHP Group
* @license http://www.php.net/license/3_0.txt PHP License 3.0
* @version CVS: $Id: AuthorizeNet.php,v 1.33 2005/11/01 18:55:29 jausions Exp $
* @link http://pear.php.net/package/Payment_Process
*/
require_once 'Payment/Process.php';
require_once 'Payment/Process/Common.php';
require_once 'Net/Curl.php';
/**
* Defines global variables
*/
$GLOBALS['_Payment_Process_AuthorizeNet'] = array(
PAYMENT_PROCESS_ACTION_NORMAL => 'AUTH_CAPTURE',
PAYMENT_PROCESS_ACTION_AUTHONLY => 'AUTH_ONLY',
PAYMENT_PROCESS_ACTION_POSTAUTH => 'PRIOR_AUTH_CAPTURE',
PAYMENT_PROCESS_ACTION_VOID => 'VOID'
);
/**
* Payment_Process_AuthorizeNet
*
* This is a processor for Authorize.net's merchant payment gateway.
* (http://www.authorize.net/)
*
* *** WARNING ***
* This is BETA code, and has not been fully tested. It is not recommended
* that you use it in a production environment without further testing.
*
* @package Payment_Process
* @author Joe Stump <joe@joestump.net>
* @author Philippe Jausions <Philippe.Jausions@11abacus.com>
* @version @version@
* @link http://www.authorize.net/
*/
class Payment_Process_AuthorizeNet extends Payment_Process_Common
{
/**
* Front-end -> back-end field map.
*
* This array contains the mapping from front-end fields (defined in
* the Payment_Process class) to the field names Authorize.Net requires.
*
* @see _prepare()
* @access private
*/
var $_fieldMap = array(
// Required
'login' => 'x_login',
'password' => 'x_password',
'action' => 'x_type',
// Optional
'login' => 'x_login',
'invoiceNumber' => 'x_invoice_num',
'customerId' => 'x_cust_id',
'amount' => 'x_amount',
'description' => 'x_description',
'name' => '',
'postalCode' => 'x_zip',
'zip' => 'x_zip',
'company' => 'x_company',
'address' => 'x_address',
'city' => 'x_city',
'state' => 'x_state',
'country' => 'x_country',
'phone' => 'x_phone',
'email' => 'x_email',
'ip' => 'x_customer_ip',
);
/**
* $_typeFieldMap
*
* @author Joe Stump <joe@joestump.net>
* @access protected
*/
var $_typeFieldMap = array(
'CreditCard' => array(
'firstName' => 'x_first_name',
'lastName' => 'x_last_name',
'cardNumber' => 'x_card_num',
'cvv' => 'x_card_code',
'expDate' => 'x_exp_date'
),
'eCheck' => array(
'routingCode' => 'x_bank_aba_code',
'accountNumber' => 'x_bank_acct_num',
'type' => 'x_bank_acct_type',
'bankName' => 'x_bank_name'
)
);
/**
* Default options for this processor.
*
* @see Payment_Process::setOptions()
* @access private
*/
var $_defaultOptions = array(
'authorizeUri' => 'https://secure.authorize.net/gateway/transact.dll',
'x_delim_data' => 'TRUE',
'x_delim_char' => ',',
'x_encap_char' => '|',
'x_relay' => 'FALSE',
'x_email_customer' => 'FALSE',
'x_currency_code' => 'USD',
'x_version' => '3.1'
);
/**
* List of possible encapsulation characters
*
* @var string
* @access private
*/
var $_encapChars = '|~#$^*_=+-`{}![]:";<>?/&';
/**
* Has the transaction been processed?
*
* @type boolean
* @access private
*/
var $_processed = false;
/**
* The response body sent back from the gateway.
*
* @access private
*/
var $_responseBody = '';
/**
* Constructor.
*
* @param array $options Class options to set.
* @see Payment_Process::setOptions()
* @return void
*/
function __construct($options = false)
{
parent::__construct($options);
$this->_driver = 'AuthorizeNet';
$this->_makeRequired('login', 'password', 'action');
}
/**
* Processes the transaction.
*
* Success here doesn't mean the transaction was approved. It means
* the transaction was sent and processed without technical difficulties.
*
* @return mixed Payment_Process_Result on success, PEAR_Error on failure
* @access public
*/
function &process()
{
// Sanity check
$result = $this->validate();
if (PEAR::isError($result)) {
return $result;
}
// Prepare the data
$result = $this->_prepare();
if (PEAR::isError($result)) {
return $result;
}
$fields = $this->_prepareQueryString();
if (PEAR::isError($fields)) {
return $fields;
}
// Don't die partway through
PEAR::pushErrorHandling(PEAR_ERROR_RETURN);
$curl = new Net_Curl($this->_options['authorizeUri']);
if (PEAR::isError($curl)) {
PEAR::popErrorHandling();
return $curl;
}
$curl->type = 'post';
$curl->fields = $fields;
$curl->userAgent = 'PEAR Payment_Process_AuthorizeNet 0.1';
$result = $curl->execute();
if (PEAR::isError($result)) {
PEAR::popErrorHandling();
return $result;
} else {
$curl->close();
}
$this->_responseBody = trim($result);
$this->_processed = true;
// Restore error handling
PEAR::popErrorHandling();
$response = &Payment_Process_Result::factory($this->_driver,
$this->_responseBody,
$this);
if (!PEAR::isError($response)) {
$response->parse();
$r = $response->isLegitimate();
if (PEAR::isError($r)) {
return $r;
} elseif ($r === false) {
return PEAR::raiseError('Illegitimate response from gateway');
}
}
$response->action = $this->action;
return $response;
}
/**
* Processes a callback from payment gateway
*
* Success here doesn't mean the transaction was approved. It means
* the callback was received and processed without technical difficulties.
*
* @return mixed Payment_Process_Result on success, PEAR_Error on failure
*/
function &processCallback()
{
$this->_responseBody = $_POST;
$this->_processed = true;
$response = &Payment_Process_Result::factory($this->_driver,
$this->_responseBody);
if (!PEAR::isError($response)) {
$response->_request = $this;
$response->parseCallback();
$r = $response->isLegitimate();
if (PEAR::isError($r)) {
return $r;
} elseif ($r === false) {
return PEAR::raiseError('Illegitimate callback from gateway.');
}
}
return $response;
}
/**
* Get (completed) transaction status.
*
* @return string Two-digit status returned from gateway.
*/
function getStatus()
{
return false;
}
/**
* Prepare the POST query string.
*
* You will need PHP_Compat::str_split() if you run this processor
* under PHP 4.
*
* @access private
* @return string The query string
*/
function _prepareQueryString()
{
$data = array_merge($this->_options, $this->_data);
// Set payment method to eCheck if our payment type is eCheck.
// Default is Credit Card.
$data['x_method'] = 'CC';
if ($this->_payment->getType() == 'eCheck') {
$data['x_method'] = 'ECHECK';
switch ($this->_payment->type) {
case PAYMENT_PROCESS_CK_CHECKING:
$data['x_bank_acct_type'] = 'CHECKING';
break;
case PAYMENT_PROCESS_CK_SAVINGS:
$data['x_bank_acct_type'] = 'SAVINGS';
break;
}
}
// Keep a trace of characters we will get back
// so we can set an appropriate encapsulation character
$chars = '';
$return = array();
foreach ($data as $key => $val) {
if (substr($key, 0, 2) == 'x_'
&& $key != 'x_encap_char'
&& strlen($val)) {
$return[] = $key . '=' . rawurlencode($val);
$chars .= $val;
}
}
// Find an appropriate encapsulation character
$encap = str_replace(array_unique(str_split($chars)), '', $data['x_encap_char'][0] . $this->_encapChars);
if (strlen($encap) == 0) {
$encap = $data['x_encap_char'][0];
} else {
$encap = $encap[0];
}
$this->_options['x_encap_char'] = $encap;
$return[] = 'x_encap_char=' . rawurlencode($encap);
return implode('&', $return);
}
/**
* _handleName
*
* If it's an eCheck we need to combine firstName and lastName into a
* single account name.
*
* @author Joe Stump <joe@joestump.net>
* @access private
*/
function _handleName()
{
if ($this->_payment->getType() == 'eCheck') {
$this->_data['x_bank_acct_name'] = $this->_payment->firstName.' '.$this->_payment->lastName;
}
}
}
class Payment_Process_Result_AuthorizeNet extends Payment_Process_Result {
var $_statusCodeMap = array('1' => PAYMENT_PROCESS_RESULT_APPROVED,
'2' => PAYMENT_PROCESS_RESULT_DECLINED,
'3' => PAYMENT_PROCESS_RESULT_OTHER,
'4' => PAYMENT_PROCESS_RESULT_REVIEW
);
/**
* AuthorizeNet status codes
*
* This array holds many of the common response codes. There are over 200
* response codes - so check the AuthorizeNet manual if you get a status
* code that does not match (see "Response Reason Codes & Response
* Reason Text" in the AIM manual).
*
* @see getStatusText()
* @access private
*/
var $_statusCodeMessages = array(
'1' => 'This transaction has been approved.',
'2' => 'This transaction has been declined.',
'3' => 'This transaction has been declined.',
'4' => 'This transaction has been declined.',
'5' => 'A valid amount is required.',
'6' => 'The credit card number is invalid.',
'7' => 'The credit card expiration date is invalid.',
'8' => 'The credit card has expired.',
'9' => 'The ABA code is invalid.',
'10' => 'The account number is invalid.',
'11' => 'A duplicate transaction has been submitted.',
'12' => 'An authorization code is required but not present.',
'13' => 'The merchant Login ID is invalid or the account is inactive.',
'14' => 'The Referrer or Relay Response URL is invalid.',
'15' => 'The transaction ID is invalid.',
'16' => 'The transaction was not found.',
'17' => 'The merchant does not accept this type of credit card.',
'18' => 'ACH transactions are not accepted by this merchant.',
'19' => 'An error occurred during processing. Please try again in 5 minutes.',
'20' => 'An error occurred during processing. Please try again in 5 minutes.',
'21' => 'An error occurred during processing. Please try again in 5 minutes.',
'22' => 'An error occurred during processing. Please try again in 5 minutes.',
'23' => 'An error occurred during processing. Please try again in 5 minutes.',
'24' => 'The Nova Bank Number or Terminal ID is incorrect. Call Merchant Service Provider.',
'25' => 'An error occurred during processing. Please try again in 5 minutes.',
'26' => 'An error occurred during processing. Please try again in 5 minutes.',
'27' => 'The transaction resulted in an AVS mismatch. The address provided does not match billing address of cardholder.',
'28' => 'The merchant does not accept this type of credit card.',
'29' => 'The PaymentTech identification numbers are incorrect. Call Merchant Service Provider.',
'30' => 'The configuration with the processor is invalid. Call Merchant Service Provider.',
'31' => 'The FDC Merchant ID or Terminal ID is incorrect. Call Merchant Service Provider.',
'32' => 'The merchant password is invalid or not present.',
'33' => 'Missing required field',
'34' => 'The VITAL identification numbers are incorrect. Call Merchant Service Provider.',
'35' => 'An error occurred during processing. Call Merchant Service Provider.',
'36' => 'The authorization was approved, but settlement failed.',
'37' => 'The credit card number is invalid.',
'38' => 'The Global Payment System identification numbers are incorrect. Call Merchant Service Provider.',
'39' => 'The supplied currency code is either invalid, not supported, not allowed for this merchant or doesn\'t have an exchange rate.',
'40' => 'This transaction must be encrypted.',
'41' => 'FraudScreen.net fraud score is higher than threshold set by merchant',
'42' => 'There is missing or invalid information in a required field.',
'43' => 'The merchant was incorrectly set up at the processor. Call your Merchant Service Provider.',
'44' => 'This transaction has been declined. Card Code filter error!',
'45' => 'This transaction has been declined. Card Code / AVS filter error!',
'46' => 'Your session has expired or does not exist. You must log in to continue working.',
'47' => 'The amount requested for settlement may not be greater than the original amount authorized.',
'48' => 'This processor does not accept partial reversals.',
'49' => 'A transaction amount greater than $99,999 will not be accepted.',
'50' => 'This transaction is awaiting settlement and cannot be refunded.',
'51' => 'The sum of all credits against this transaction is greater than the original transaction amount.',
'52' => 'The transaction was authorized, but the client could not be notified; the transaction will not be settled.',
'53' => 'The transaction type was invalid for ACH transactions.',
'54' => 'The referenced transaction does not meet the criteria for issuing a credit.',
'55' => 'The sum of credits against the referenced transaction would exceed the original debit amount.',
'56' => 'This merchant accepts ACH transactions only; no credit card transactions are accepted.',
'57' => 'An error occurred in processing. Please try again in 5 minutes.',
'58' => 'An error occurred in processing. Please try again in 5 minutes.',
'59' => 'An error occurred in processing. Please try again in 5 minutes.',
'60' => 'An error occurred in processing. Please try again in 5 minutes.',
'61' => 'An error occurred in processing. Please try again in 5 minutes.',
'62' => 'An error occurred in processing. Please try again in 5 minutes.',
'63' => 'An error occurred in processing. Please try again in 5 minutes.',
'64' => 'The referenced transaction was not approved.',
'65' => 'This transaction has been declined.',
'66' => 'The transaction did not meet gateway security guidelines.',
'67' => 'The given transaction type is not supported for this merchant.',
'68' => 'The version parameter is invalid.',
'69' => 'The transaction type is invalid. The value submitted in x_type was invalid.',
'70' => 'The transaction method is invalid.',
'71' => 'The bank account type is invalid.',
'72' => 'The authorization code is invalid.',
'73' => 'The driver\'s license date of birth is invalid.',
'74' => 'The duty amount is invalid.',
'75' => 'The freight amount is invalid.',
'76' => 'The tax amount is invalid.',
'77' => 'The SSN or tax ID is invalid.',
'78' => 'The Card Code (CVV2/CVC2/CID) is invalid.',
'79' => 'The driver\'s license number is invalid.',
'80' => 'The driver\'s license state is invalid.',
'81' => 'The merchant requested an integration method not compatible with the AIM API.',
'82' => 'The system no longer supports version 2.5; requests cannot be posted to scripts.',
'83' => 'The requested script is either invalid or no longer supported.',
'84' => 'This reason code is reserved or not applicable to this API.',
'85' => 'This reason code is reserved or not applicable to this API.',
'86' => 'This reason code is reserved or not applicable to this API.',
'87' => 'This reason code is reserved or not applicable to this API.',
'88' => 'This reason code is reserved or not applicable to this API.',
'89' => 'This reason code is reserved or not applicable to this API.',
'90' => 'This reason code is reserved or not applicable to this API.',
'91' => 'Version 2.5 is no longer supported.',
'92' => 'The gateway no longer supports the requested method of integration.',
'93' => 'A valid country is required.',
'94' => 'The shipping state or country is invalid.',
'95' => 'A valid state is required.',
'96' => 'This country is not authorized for buyers.',
'97' => 'This transaction cannot be accepted.',
'98' => 'This transaction cannot be accepted.',
'99' => 'This transaction cannot be accepted.',
'100' => 'The eCheck type is invalid.',
'101' => 'The given name on the account and/or the account type does not match the actual account.',
'102' => 'This request cannot be accepted.',
'103' => 'This transaction cannot be accepted.',
'104' => 'This transaction is currently under review.',
'105' => 'This transaction is currently under review.',
'106' => 'This transaction is currently under review.',
'107' => 'This transaction is currently under review.',
'108' => 'This transaction is currently under review.',
'109' => 'This transaction is currently under review.',
'110' => 'This transaction is currently under review.',
'111' => 'A valid billing country is required.',
'112' => 'A valid billing state/provice is required.',
'116' => 'The authentication indicator is invalid.',
'117' => 'The cardholder authentication value is invalid.',
'118' => 'The combination of authentication indicator and cardholder authentication value is invalid.',
'119' => 'Transactions having cardholder authentication values cannot be marked as recurring.',
'120' => 'An error occurred during processing. Please try again.',
'121' => 'An error occurred during processing. Please try again.',
'122' => 'An error occurred during processing. Please try again.',
'127' => 'The transaction resulted in an AVS mismatch. The address provided does not match billing address of cardholder.',
'141' => 'This transaction has been declined.',
'145' => 'This transaction has been declined.',
'152' => 'The transaction was authorized, but the client could not be notified; the transaction will not be settled.',
'165' => 'This transaction has been declined.',
'170' => 'An error occurred during processing. Please contact the merchant.',
'171' => 'An error occurred during processing. Please contact the merchant.',
'172' => 'An error occurred during processing. Please contact the merchant.',
'173' => 'An error occurred during processing. Please contact the merchant.',
'174' => 'The transaction type is invalid. Please contact the merchant.',
'175' => 'The processor does not allow voiding of credits.',
'180' => 'An error occurred during processing. Please try again.',
'181' => 'An error occurred during processing. Please try again.',
'200' => 'This transaction has been declined.',
'201' => 'This transaction has been declined.',
'202' => 'This transaction has been declined.',
'203' => 'This transaction has been declined.',
'204' => 'This transaction has been declined.',
'205' => 'This transaction has been declined.',
'206' => 'This transaction has been declined.',
'207' => 'This transaction has been declined.',
'208' => 'This transaction has been declined.',
'209' => 'This transaction has been declined.',
'210' => 'This transaction has been declined.',
'211' => 'This transaction has been declined.',
'212' => 'This transaction has been declined.',
'213' => 'This transaction has been declined.',
'214' => 'This transaction has been declined.',
'215' => 'This transaction has been declined.',
'216' => 'This transaction has been declined.',
'217' => 'This transaction has been declined.',
'218' => 'This transaction has been declined.',
'219' => 'This transaction has been declined.',
'220' => 'This transaction has been declined.',
'221' => 'This transaction has been declined.',
'222' => 'This transaction has been declined.',
'223' => 'This transaction has been declined.',
'224' => 'This transaction has been declined.',
'243' => 'Recurring billing is not allowed for this eCheck.Net type',
'244' => 'This eCheck.Net type is not allowed for this Bank Account Type.',
'245' => 'This eCheck.Net type is not allowed when using the payment gateway hosted payment form.',
'246' => 'This eCheck.Net type is not allowed.',
'247' => 'This eCheck.Net type is not allowed.',
'250' => 'This transaction has been declined.',
'251' => 'This transaction has been declined.',
'252' => 'Your order has been received. Thank you for your business!',
'253' => 'Your order has been received. Thank you for your business!',
'254' => 'This transaction has been declined.',
'261' => 'An error occurred during processing. Please try again'
);
var $_avsCodeMap = array(
'A' => PAYMENT_PROCESS_AVS_MISMATCH,
'B' => PAYMENT_PROCESS_AVS_ERROR,
'E' => PAYMENT_PROCESS_AVS_ERROR,
'G' => PAYMENT_PROCESS_AVS_NOAPPLY,
'N' => PAYMENT_PROCESS_AVS_MISMATCH,
'P' => PAYMENT_PROCESS_AVS_NOAPPLY,
'R' => PAYMENT_PROCESS_AVS_ERROR,
'S' => PAYMENT_PROCESS_AVS_ERROR,
'U' => PAYMENT_PROCESS_AVS_ERROR,
'W' => PAYMENT_PROCESS_AVS_MISMATCH,
'X' => PAYMENT_PROCESS_AVS_MATCH,
'Y' => PAYMENT_PROCESS_AVS_MATCH,
'Z' => PAYMENT_PROCESS_AVS_MISMATCH
);
var $_avsCodeMessages = array(
'A' => 'Address matches, postal code does not',
'B' => 'Address information not provided',
'E' => 'Address Verification System Error',
'G' => 'Non-U.S. Card Issuing Bank',
'N' => 'No match on street address nor postal code',
'P' => 'Address Verification System not applicable',
'R' => 'Retry - System unavailable or timeout',
'S' => 'Service not supported by issuer',
'U' => 'Address information unavailable',
'W' => '9-digit postal code matches, street address does not',
'X' => 'Address and 9-digit postal code match',
'Y' => 'Address and 5-digit postal code match',
'Z' => '5-digit postal code matches, street address does not'
);
var $_cvvCodeMap = array('M' => PAYMENT_PROCESS_CVV_MATCH,
'N' => PAYMENT_PROCESS_CVV_MISMATCH,
'P' => PAYMENT_PROCESS_CVV_ERROR,
'S' => PAYMENT_PROCESS_CVV_ERROR,
'U' => PAYMENT_PROCESS_CVV_ERROR
);
var $_cvvCodeMessages = array(
'M' => 'CVV code matches',
'N' => 'CVV code does not match',
'P' => 'CVV code was not processed',
'S' => 'CVV code should have been present',
'U' => 'Issuer unable to process request',
);
var $_fieldMap = array('0' => 'code',
'2' => 'messageCode',
'3' => 'message',
'4' => 'approvalCode',
'5' => 'avsCode',
'6' => 'transactionId',
'7' => 'invoiceNumber',
'8' => 'description',
'9' => 'amount',
'12' => 'customerId',
'37' => 'md5Hash',
'38' => 'cvvCode'
);
/**
* To hold the MD5 hash returned
*
* @var string
* @access private
*/
var $_md5Hash;
function Payment_Process_Response_AuthorizeNet($rawResponse)
{
$this->Payment_Process_Response($rawResponse);
}
/**
* Parses the data received from the payment gateway
*
* @access public
*/
function parse()
{
$delim = $this->_request->getOption('x_delim_char');
$encap = $this->_request->getOption('x_encap_char');
$responseArray = explode($encap . $delim . $encap, $this->_rawResponse);
if ($responseArray === false) {
return array();
}
$count = count($responseArray) - 1;
if ($responseArray[0][0] == $encap) {
$responseArray[0] = substr($responseArray[0], 1);
}
if (substr($responseArray[$count], -1) == $encap) {
$responseArray[$count] = substr($responseArray[$count], 0, -1);
}
// Save some fields in private members
$map = array_flip($this->_fieldMap);
$this->_md5Hash = $responseArray[$map['md5Hash']];
$this->_amount = $responseArray[$map['amount']];
$this->_mapFields($responseArray);
// Adjust result code/message if needed based on raw code
switch ($this->messageCode) {
case 33:
// Something is missing so we send the raw message back
$this->_statusCodeMessages[33] = $this->message;
break;
case 11:
// Duplicate transactions
$this->code = PAYMENT_PROCESS_RESULT_DUPLICATE;
break;
case 4:
case 41:
case 250:
case 251:
// Fraud detected
$this->code = PAYMENT_PROCESS_RESULT_FRAUD;
break;
}
}
/**
* Parses the data received from the payment gateway callback
*
* @access public
* @author Philippe Jausions <Philippe.Jausions@11abacus.com>
*/
function parseCallback()
{
$this->code = $this->_rawResponse['x_response_code'];
$this->messageCode = $this->_rawResponse['x_response_reason_code'];
$this->message = $this->_rawResponse['x_response_reason_text'];
$this->approvalCode = $this->_rawResponse['x_auth_code'];
$this->avsCode = $this->_rawResponse['x_avs_code'];
$this->transactionId = $this->_rawResponse['x_trans_id'];
$this->invoiceNumber = $this->_rawResponse['x_invoice_num'];
$this->description = $this->_rawResponse['x_description'];
$this->_amount = $this->_rawResponse['x_amount'];
$this->customerId = $this->_rawResponse['x_cust_id'];
$this->_md5Hash = $this->_rawResponse['x_MD5_Hash'];
$this->cvvCode = $this->_rawResponse['x_cvv2_resp_code'];
$map = array_flip($GLOBALS['_Payment_Process_AuthorizeNet']);
$this->action = $map[strtoupper($this->_rawResponse['x_type'])];
}
/**
* Validates the legitimacy of the response
*
* To be able to validate the response, the md5Value option
* must have been set in the processor. If the md5Value is not set this
* function will fail gracefully, but this MAY CHANGE IN THE FUTURE!
*
* Check if the response is legitimate by matching MD5 hashes.
* To avoid MD5 mismatch while the key is being renewed
* the md5Value can be an array with 2 indexes: "new" and "old"
* respectively holding the new and old MD5 values.
*
* Note: If you're having problem passing this check: be aware that
* the login name is CASE-SENSITIVE!!! (even though you can log in
* using it all lowered case...)
*
* @return mixed TRUE if response is legitimate, FALSE if not, PEAR_Error on error
* @access public
* @author Philippe Jausions <Philippe.Jausions@11abacus.com>
*/
function isLegitimate()
{
$md5Value = $this->_request->getOption('md5Value');
if (!$md5Value) {
// For now fail gracefully if it is not set.
return true;
}
$fields = $this->_request->login . $this->transactionId
. $this->_amount;
if (is_array($md5Value)) {
if (strcasecmp($this->_md5Hash, md5($md5Value['new'] . $fields)) == 0 ||
strcasecmp($this->_md5Hash, md5($md5Value['old'] . $fields)) == 0) {
return true;
}
} elseif (strcasecmp($this->_md5Hash, md5($md5Value . $fields)) == 0) {
return true;
}
return false;
}
}
?>