/**
* Validates a credit card number using the Luhn (mod10) formula.
* @see http://en.wikipedia.org/wiki/Luhn_algorithm
*
* @param integer credit card number
* @param string|array card type, or an array of card types
* @return boolean
*/
public static function credit_card($number, $type = NULL)
{
// Remove all non-digit characters from the number
if (($number = preg_replace('/\\D+/', '', $number)) === '') {
return FALSE;
}
if ($type == NULL) {
// Use the default type
$type = 'default';
} elseif (is_array($type)) {
foreach ($type as $t) {
// Test each type for validity
if (valid::credit_card($number, $t)) {
return TRUE;
}
}
return FALSE;
}
$cards = Kohana::config('credit_cards');
// Check card type
$type = strtolower($type);
if (!isset($cards[$type])) {
return FALSE;
}
// Check card number length
$length = strlen($number);
// Validate the card length by the card type
if (!in_array($length, preg_split('/\\D+/', $cards[$type]['length']))) {
return FALSE;
}
// Check card number prefix
if (!preg_match('/^' . $cards[$type]['prefix'] . '/', $number)) {
return FALSE;
}
// No Luhn check required
if ($cards[$type]['luhn'] == FALSE) {
return TRUE;
}
// Checksum of the card number
$checksum = 0;
for ($i = $length - 1; $i >= 0; $i -= 2) {
// Add up every 2nd digit, starting from the right
$checksum += substr($number, $i, 1);
}
for ($i = $length - 2; $i >= 0; $i -= 2) {
// Add up every 2nd digit doubled, starting from the right
$double = substr($number, $i, 1) * 2;
// Subtract 9 from the double where value is greater than 10
$checksum += $double >= 10 ? $double - 9 : $double;
}
// If the checksum is a multiple of 10, the number is valid
return $checksum % 10 === 0;
}
public function pay($method)
{
$payment = new Payment($method);
if ($method == 'Paypal') {
Session::instance()->delete('paypal_token');
$order = new Order_Model($this->order->id);
//$inv = uniqid('payPal_');
$inv = $this->getTransID();
$order->trans_id = $inv;
$order->save();
$attributes = array('AMT' => $this->total(), 'INVNUM' => $inv, 'SHIPTONAME' => $this->order->shipping->first_name . ' ' . $this->order->shipping->last_name, 'SHIPTOSTREET' => $this->order->shipping->address1, 'SHIPTOCITY' => $this->order->shipping->city, 'SHIPTOCOUNTRYCODE' => $this->order->shipping->country, 'SHIPTOSTATE' => $this->order->shipping->state, 'SHIPTOZIP' => $this->order->shipping->zip);
//$this->payment->GETDETAILS = FALSE;
} else {
if (!valid::credit_card($this->order->payment->card->card_num)) {
throw new Exception('Invalid credit card data');
}
$attributes = array('card_num' => $this->order->payment->card->card_num, 'exp_date' => $this->order->payment->card->exp_date, 'amount' => $this->total(), 'ship_to_first_name' => $this->order->shipping->first_name, 'ship_to_last_name' => $this->order->shipping->last_name, 'ship_to_address' => $this->order->shipping->address1, 'ship_to_city' => $this->order->shipping->city, 'ship_to_state' => $this->order->shipping->state, 'ship_to_zip' => $this->order->shipping->zip, 'ship_to_country' => $this->order->shipping->country, 'first_name' => $this->order->billing->first_name, 'last_name' => $this->order->billing->last_name, 'address' => $this->order->billing->address1, 'city' => $this->order->billing->city, 'state' => $this->order->billing->state, 'zip' => $this->order->billing->zip, 'country' => $this->order->billing->country);
}
$payment->set_fields($attributes);
$this->order->finance_state = 'CHARGING';
if ($payment->process()) {
$this->order->finance_state = 'CHARGED';
$this->order->status = 2;
//$this->order->save();
return true;
} else {
$this->order->finance_state = 'DENIED';
$this->order->status = 3;
//$this->order->save();
throw new Exception('Payment operation failed (' . $payment->getLastError() . ')');
}
}
public function valid_credit_card_test()
{
$this->assert_true_strict(valid::credit_card('4222222222222'))->assert_true_strict(valid::credit_card('4012888888881881'))->assert_true_strict(valid::credit_card('5105105105105100'))->assert_true_strict(valid::credit_card('6011111111111117'))->assert_false_strict(valid::credit_card('6011111111111117', 'visa'));
// invalid visa test nr
}
/**
* Validates a credit card number using the Luhn (mod10) formula.
* @see http://en.wikipedia.org/wiki/Luhn_algorithm
*
* @param integer credit card number
* @param string|array card type, or an array of card types
* @return boolean
*/
public static function credit_card($number, $type = NULL)
{
// Remove all non-digit characters from the number
if (($number = preg_replace('/\\D+/', '', $number)) === '') {
return FALSE;
}
if ($type == NULL) {
// Use the default type
$type = 'default';
} elseif (is_array($type)) {
foreach ($type as $t) {
// Test each type for validity
if (valid::credit_card($number, $t)) {
return TRUE;
}
}
return FALSE;
}
$cards = array('default' => array('length' => '13,14,15,16,17,18,19', 'prefix' => '', 'luhn' => TRUE), 'american express' => array('length' => '15', 'prefix' => '3[47]', 'luhn' => TRUE), 'diners club' => array('length' => '14,16', 'prefix' => '36|55|30[0-5]', 'luhn' => TRUE), 'discover' => array('length' => '16', 'prefix' => '6(?:5|011)', 'luhn' => TRUE), 'jcb' => array('length' => '15,16', 'prefix' => '3|1800|2131', 'luhn' => TRUE), 'maestro' => array('length' => '16,18', 'prefix' => '50(?:20|38)|6(?:304|759)', 'luhn' => TRUE), 'mastercard' => array('length' => '16', 'prefix' => '5[1-5]', 'luhn' => TRUE), 'visa' => array('length' => '13,16', 'prefix' => '4', 'luhn' => TRUE));
// Check card type
$type = strtolower($type);
if (!isset($cards[$type])) {
return FALSE;
}
// Check card number length
$length = strlen($number);
// Validate the card length by the card type
if (!in_array($length, preg_split('/\\D+/', $cards[$type]['length']))) {
return FALSE;
}
// Check card number prefix
if (!preg_match('/^' . $cards[$type]['prefix'] . '/', $number)) {
return FALSE;
}
// No Luhn check required
if ($cards[$type]['luhn'] == FALSE) {
return TRUE;
}
// Checksum of the card number
$checksum = 0;
for ($i = $length - 1; $i >= 0; $i -= 2) {
// Add up every 2nd digit, starting from the right
$checksum += $number[$i];
}
for ($i = $length - 2; $i >= 0; $i -= 2) {
// Add up every 2nd digit doubled, starting from the right
$double = $number[$i] * 2;
// Subtract 9 from the double where value is greater than 10
$checksum += $double >= 10 ? $double - 9 : $double;
}
// If the checksum is a multiple of 10, the number is valid
return $checksum % 10 === 0;
}
/**
* Tests the valid::credit_card() function.
* @dataProvider credit_card_provider
* @group core.helpers.valid.credit_card
* @test
*/
public function credit_card($input_number, $card_type, $expected_result)
{
$result = valid::credit_card($input_number, $card_type);
$this->assertEquals($expected_result, $result);
}
