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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Validator;
use Traversable;
use Zend\Stdlib\ArrayUtils;
/**
* Validates IBAN Numbers (International Bank Account Numbers)
*/
class Iban extends AbstractValidator
{
const NOTSUPPORTED = 'ibanNotSupported';
const SEPANOTSUPPORTED = 'ibanSepaNotSupported';
const FALSEFORMAT = 'ibanFalseFormat';
const CHECKFAILED = 'ibanCheckFailed';
/**
* Validation failure message template definitions
*
* @var array
*/
protected $messageTemplates = [
self::NOTSUPPORTED => "Unknown country within the IBAN",
self::SEPANOTSUPPORTED => "Countries outside the Single Euro Payments Area (SEPA) are not supported",
self::FALSEFORMAT => "The input has a false IBAN format",
self::CHECKFAILED => "The input has failed the IBAN check",
];
/**
* Optional country code by ISO 3166-1
*
* @var string|null
*/
protected $countryCode;
/**
* Optionally allow IBAN codes from non-SEPA countries. Defaults to true
*
* @var bool
*/
protected $allowNonSepa = true;
/**
* The SEPA country codes
*
* @var array<ISO 3166-1>
*/
protected static $sepaCountries = [
'AT', 'BE', 'BG', 'CY', 'CZ', 'DK', 'FO', 'GL', 'EE', 'FI', 'FR', 'DE',
'GI', 'GR', 'HU', 'IS', 'IE', 'IT', 'LV', 'LI', 'LT', 'LU', 'MT', 'MC',
'NL', 'NO', 'PL', 'PT', 'RO', 'SK', 'SI', 'ES', 'SE', 'CH', 'GB', 'SM',
'HR',
];
/**
* IBAN regexes by country code
*
* @var array
*/
protected static $ibanRegex = [
'AD' => 'AD[0-9]{2}[0-9]{4}[0-9]{4}[A-Z0-9]{12}',
'AE' => 'AE[0-9]{2}[0-9]{3}[0-9]{16}',
'AL' => 'AL[0-9]{2}[0-9]{8}[A-Z0-9]{16}',
'AT' => 'AT[0-9]{2}[0-9]{5}[0-9]{11}',
'AZ' => 'AZ[0-9]{2}[A-Z]{4}[A-Z0-9]{20}',
'BA' => 'BA[0-9]{2}[0-9]{3}[0-9]{3}[0-9]{8}[0-9]{2}',
'BE' => 'BE[0-9]{2}[0-9]{3}[0-9]{7}[0-9]{2}',
'BG' => 'BG[0-9]{2}[A-Z]{4}[0-9]{4}[0-9]{2}[A-Z0-9]{8}',
'BH' => 'BH[0-9]{2}[A-Z]{4}[A-Z0-9]{14}',
'BR' => 'BR[0-9]{2}[0-9]{8}[0-9]{5}[0-9]{10}[A-Z][A-Z0-9]',
'BY' => 'BY[0-9]{2}[A-Z0-9]{4}[0-9]{4}[A-Z0-9]{16}',
'CH' => 'CH[0-9]{2}[0-9]{5}[A-Z0-9]{12}',
'CR' => 'CR[0-9]{2}[0-9]{3}[0-9]{14}',
'CY' => 'CY[0-9]{2}[0-9]{3}[0-9]{5}[A-Z0-9]{16}',
'CZ' => 'CZ[0-9]{2}[0-9]{20}',
'DE' => 'DE[0-9]{2}[0-9]{8}[0-9]{10}',
'DO' => 'DO[0-9]{2}[A-Z0-9]{4}[0-9]{20}',
'DK' => 'DK[0-9]{2}[0-9]{14}',
'EE' => 'EE[0-9]{2}[0-9]{2}[0-9]{2}[0-9]{11}[0-9]{1}',
'ES' => 'ES[0-9]{2}[0-9]{4}[0-9]{4}[0-9]{1}[0-9]{1}[0-9]{10}',
'FI' => 'FI[0-9]{2}[0-9]{6}[0-9]{7}[0-9]{1}',
'FO' => 'FO[0-9]{2}[0-9]{4}[0-9]{9}[0-9]{1}',
'FR' => 'FR[0-9]{2}[0-9]{5}[0-9]{5}[A-Z0-9]{11}[0-9]{2}',
'GB' => 'GB[0-9]{2}[A-Z]{4}[0-9]{6}[0-9]{8}',
'GE' => 'GE[0-9]{2}[A-Z]{2}[0-9]{16}',
'GI' => 'GI[0-9]{2}[A-Z]{4}[A-Z0-9]{15}',
'GL' => 'GL[0-9]{2}[0-9]{4}[0-9]{9}[0-9]{1}',
'GR' => 'GR[0-9]{2}[0-9]{3}[0-9]{4}[A-Z0-9]{16}',
'GT' => 'GT[0-9]{2}[A-Z0-9]{4}[A-Z0-9]{20}',
'HR' => 'HR[0-9]{2}[0-9]{7}[0-9]{10}',
'HU' => 'HU[0-9]{2}[0-9]{3}[0-9]{4}[0-9]{1}[0-9]{15}[0-9]{1}',
'IE' => 'IE[0-9]{2}[A-Z]{4}[0-9]{6}[0-9]{8}',
'IL' => 'IL[0-9]{2}[0-9]{3}[0-9]{3}[0-9]{13}',
'IS' => 'IS[0-9]{2}[0-9]{4}[0-9]{2}[0-9]{6}[0-9]{10}',
'IT' => 'IT[0-9]{2}[A-Z]{1}[0-9]{5}[0-9]{5}[A-Z0-9]{12}',
'KW' => 'KW[0-9]{2}[A-Z]{4}[0-9]{22}',
'KZ' => 'KZ[0-9]{2}[0-9]{3}[A-Z0-9]{13}',
'LB' => 'LB[0-9]{2}[0-9]{4}[A-Z0-9]{20}',
'LI' => 'LI[0-9]{2}[0-9]{5}[A-Z0-9]{12}',
'LT' => 'LT[0-9]{2}[0-9]{5}[0-9]{11}',
'LU' => 'LU[0-9]{2}[0-9]{3}[A-Z0-9]{13}',
'LV' => 'LV[0-9]{2}[A-Z]{4}[A-Z0-9]{13}',
'MC' => 'MC[0-9]{2}[0-9]{5}[0-9]{5}[A-Z0-9]{11}[0-9]{2}',
'MD' => 'MD[0-9]{2}[A-Z0-9]{20}',
'ME' => 'ME[0-9]{2}[0-9]{3}[0-9]{13}[0-9]{2}',
'MK' => 'MK[0-9]{2}[0-9]{3}[A-Z0-9]{10}[0-9]{2}',
'MR' => 'MR13[0-9]{5}[0-9]{5}[0-9]{11}[0-9]{2}',
'MT' => 'MT[0-9]{2}[A-Z]{4}[0-9]{5}[A-Z0-9]{18}',
'MU' => 'MU[0-9]{2}[A-Z]{4}[0-9]{2}[0-9]{2}[0-9]{12}[0-9]{3}[A-Z]{3}',
'NL' => 'NL[0-9]{2}[A-Z]{4}[0-9]{10}',
'NO' => 'NO[0-9]{2}[0-9]{4}[0-9]{6}[0-9]{1}',
'PK' => 'PK[0-9]{2}[A-Z]{4}[A-Z0-9]{16}',
'PL' => 'PL[0-9]{2}[0-9]{8}[0-9]{16}',
'PS' => 'PS[0-9]{2}[A-Z]{4}[A-Z0-9]{21}',
'PT' => 'PT[0-9]{2}[0-9]{4}[0-9]{4}[0-9]{11}[0-9]{2}',
'RO' => 'RO[0-9]{2}[A-Z]{4}[A-Z0-9]{16}',
'RS' => 'RS[0-9]{2}[0-9]{3}[0-9]{13}[0-9]{2}',
'SA' => 'SA[0-9]{2}[0-9]{2}[A-Z0-9]{18}',
'SE' => 'SE[0-9]{2}[0-9]{3}[0-9]{16}[0-9]{1}',
'SI' => 'SI[0-9]{2}[0-9]{5}[0-9]{8}[0-9]{2}',
'SK' => 'SK[0-9]{2}[0-9]{4}[0-9]{6}[0-9]{10}',
'SM' => 'SM[0-9]{2}[A-Z]{1}[0-9]{5}[0-9]{5}[A-Z0-9]{12}',
'TN' => 'TN59[0-9]{2}[0-9]{3}[0-9]{13}[0-9]{2}',
'TR' => 'TR[0-9]{2}[0-9]{5}[A-Z0-9]{1}[A-Z0-9]{16}',
'VG' => 'VG[0-9]{2}[A-Z]{4}[0-9]{16}',
];
/**
* Sets validator options
*
* @param array|Traversable $options OPTIONAL
*/
public function __construct($options = [])
{
if ($options instanceof Traversable) {
$options = ArrayUtils::iteratorToArray($options);
}
if (array_key_exists('country_code', $options)) {
$this->setCountryCode($options['country_code']);
}
if (array_key_exists('allow_non_sepa', $options)) {
$this->setAllowNonSepa($options['allow_non_sepa']);
}
parent::__construct($options);
}
/**
* Returns the optional country code by ISO 3166-1
*
* @return string|null
*/
public function getCountryCode()
{
return $this->countryCode;
}
/**
* Sets an optional country code by ISO 3166-1
*
* @param string|null $countryCode
* @return Iban provides a fluent interface
* @throws Exception\InvalidArgumentException
*/
public function setCountryCode($countryCode = null)
{
if ($countryCode !== null) {
$countryCode = (string) $countryCode;
if (! isset(static::$ibanRegex[$countryCode])) {
throw new Exception\InvalidArgumentException(
"Country code '{$countryCode}' invalid by ISO 3166-1 or not supported"
);
}
}
$this->countryCode = $countryCode;
return $this;
}
/**
* Returns the optional allow non-sepa countries setting
*
* @return bool
*/
public function allowNonSepa()
{
return $this->allowNonSepa;
}
/**
* Sets the optional allow non-sepa countries setting
*
* @param bool $allowNonSepa
* @return Iban provides a fluent interface
*/
public function setAllowNonSepa($allowNonSepa)
{
$this->allowNonSepa = (bool) $allowNonSepa;
return $this;
}
/**
* Returns true if $value is a valid IBAN
*
* @param string $value
* @return bool
*/
public function isValid($value)
{
if (! is_string($value)) {
$this->error(self::FALSEFORMAT);
return false;
}
$value = str_replace(' ', '', strtoupper($value));
$this->setValue($value);
$countryCode = $this->getCountryCode();
if ($countryCode === null) {
$countryCode = substr($value, 0, 2);
}
if (! array_key_exists($countryCode, static::$ibanRegex)) {
$this->setValue($countryCode);
$this->error(self::NOTSUPPORTED);
return false;
}
if (! $this->allowNonSepa && ! in_array($countryCode, static::$sepaCountries)) {
$this->setValue($countryCode);
$this->error(self::SEPANOTSUPPORTED);
return false;
}
if (! preg_match('/^' . static::$ibanRegex[$countryCode] . '$/', $value)) {
$this->error(self::FALSEFORMAT);
return false;
}
$format = substr($value, 4) . substr($value, 0, 4);
$format = str_replace(
['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'],
['10', '11', '12', '13', '14', '15', '16', '17', '18', '19', '20', '21', '22',
'23', '24', '25', '26', '27', '28', '29', '30', '31', '32', '33', '34', '35'],
$format
);
$temp = intval(substr($format, 0, 1));
$len = strlen($format);
for ($x = 1; $x < $len; ++$x) {
$temp *= 10;
$temp += intval(substr($format, $x, 1));
$temp %= 97;
}
if ($temp != 1) {
$this->error(self::CHECKFAILED);
return false;
}
return true;
}
}
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