/**
* Validates the credit card type
*
* Uses Validate_Finance_CreditCard to validate the type.
*
* @author Joe Stump <*****@*****.**>
* @return mixed PEAR_Error on failure, TRUE on success
* @see Payment_Process_Type_CreditCard::_getValidateTypeMap()
* @see Validate_Finance_CreditCard
*/
function _validateType()
{
if (!($type = $this->_mapType())) {
return PEAR::raiseError('Invalid type map provided in driver');
}
if (!Validate_Finance_CreditCard::type($this->cardNumber, $type)) {
return PEAR::raiseError('Credit card type not recognized or does not match the card number given');
}
return true;
}
/**
* Validates a credit card number
*
* If a type is passed, the card will be checked against it.
* This method only checks the number locally. No banks or payment
* gateways are involved.
* This method doesn't guarantee that the card is legitimate. It merely
* checks the card number passes a mathematical algorithm.
*
* @param string $creditCard number (spaces and dashes tolerated)
* @param string $cardType type/brand of card (case insensitive)
* "MasterCard", "Visa", "AMEX", "AmericanExpress",
* "American Express", "Diners", "DinersClub", "Diners Club",
* "CarteBlanche", "Carte Blanche", "Discover", "JCB",
* "EnRoute", "Eurocard", "Eurocard/MasterCard".
*
* @return bool TRUE if number is valid, FALSE otherwise
* @access public
* @static
*/
function number($creditCard, $cardType = null)
{
$cc = str_replace(array('-', ' '), '', $creditCard);
if (($len = strlen($cc)) < 13 || strspn($cc, '0123456789') != $len) {
return false;
}
// Only apply the Luhn algorithm for cards other than enRoute
// So check if we have a enRoute card now
if (strlen($cc) != 15 || substr($cc, 0, 4) != '2014' && substr($cc, 0, 4) != '2149') {
if (!Validate_Finance_CreditCard::_luhn($cc)) {
return false;
}
}
if (is_string($cardType)) {
return Validate_Finance_CreditCard::type($cc, $cardType);
}
return true;
}
/**
* Validates the credit card type
*
* Uses Validate_Finance_CreditCard to validate the type.
*
* @author Joe Stump <*****@*****.**>
* @return bool
* @throws Payment_Process2_Exception
* @see Payment_Process2_Type_CreditCard::_mapType()
* @see Validate_Finance_CreditCard
*/
function _validateType()
{
if (!($type = $this->_mapType())) {
throw new Payment_Process2_Exception('Credit card type not recognized by in driver');
}
if (!Validate_Finance_CreditCard::type($this->cardNumber, $type)) {
throw new Payment_Process2_Exception('Credit card type not recognized or does not match the card number given');
}
return true;
}
