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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Validator\Constraints;
use Symfony\Component\Intl\Countries;
use Symfony\Component\PropertyAccess\Exception\NoSuchPropertyException;
use Symfony\Component\PropertyAccess\PropertyAccess;
use Symfony\Component\PropertyAccess\PropertyAccessor;
use Symfony\Component\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
use Symfony\Component\Validator\Exception\LogicException;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;
use Symfony\Component\Validator\Exception\UnexpectedValueException;
/**
* @author Michael Hirschler <michael.vhirsch@gmail.com>
*
* @see https://en.wikipedia.org/wiki/ISO_9362#Structure
*/
class BicValidator extends ConstraintValidator
{
private const BIC_COUNTRY_TO_IBAN_COUNTRY_MAP = [
// Reference: https://www.ecbs.org/iban/france-bank-account-number.html
'GF' => 'FR', // French Guiana
'PF' => 'FR', // French Polynesia
'TF' => 'FR', // French Southern Territories
'GP' => 'FR', // Guadeloupe
'MQ' => 'FR', // Martinique
'YT' => 'FR', // Mayotte
'NC' => 'FR', // New Caledonia
'RE' => 'FR', // Reunion
'PM' => 'FR', // Saint Pierre and Miquelon
'WF' => 'FR', // Wallis and Futuna Islands
// Reference: https://www.ecbs.org/iban/united-kingdom-uk-bank-account-number.html
'JE' => 'GB', // Jersey
'IM' => 'GB', // Isle of Man
'GG' => 'GB', // Guernsey
'VG' => 'GB', // British Virgin Islands
];
private $propertyAccessor;
public function __construct(PropertyAccessor $propertyAccessor = null)
{
$this->propertyAccessor = $propertyAccessor;
}
/**
* {@inheritdoc}
*/
public function validate($value, Constraint $constraint)
{
if (!$constraint instanceof Bic) {
throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Bic');
}
if (null === $value || '' === $value) {
return;
}
if (!is_scalar($value) && !(\is_object($value) && method_exists($value, '__toString'))) {
throw new UnexpectedValueException($value, 'string');
}
$canonicalize = str_replace(' ', '', $value);
// the bic must be either 8 or 11 characters long
if (!\in_array(\strlen($canonicalize), [8, 11])) {
$this->context->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->setCode(Bic::INVALID_LENGTH_ERROR)
->addViolation();
return;
}
// must contain alphanumeric values only
if (!ctype_alnum($canonicalize)) {
$this->context->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->setCode(Bic::INVALID_CHARACTERS_ERROR)
->addViolation();
return;
}
// first 4 letters must be alphabetic (bank code)
if (!ctype_alpha(substr($canonicalize, 0, 4))) {
$this->context->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->setCode(Bic::INVALID_BANK_CODE_ERROR)
->addViolation();
return;
}
// @deprecated since Symfony 4.2, will throw in 5.0
if (class_exists(Countries::class)) {
$validCountryCode = Countries::exists(substr($canonicalize, 4, 2));
} else {
$validCountryCode = ctype_alpha(substr($canonicalize, 4, 2));
// throw new LogicException('The Intl component is required to use the Bic constraint. Try running "composer require symfony/intl".');
}
if (!$validCountryCode) {
$this->context->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->setCode(Bic::INVALID_COUNTRY_CODE_ERROR)
->addViolation();
return;
}
// should contain uppercase characters only
if (strtoupper($canonicalize) !== $canonicalize) {
$this->context->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->setCode(Bic::INVALID_CASE_ERROR)
->addViolation();
return;
}
// check against an IBAN
$iban = $constraint->iban;
$path = $constraint->ibanPropertyPath;
if ($path && null !== $object = $this->context->getObject()) {
try {
$iban = $this->getPropertyAccessor()->getValue($object, $path);
} catch (NoSuchPropertyException $e) {
throw new ConstraintDefinitionException(sprintf('Invalid property path "%s" provided to "%s" constraint: %s', $path, \get_class($constraint), $e->getMessage()), 0, $e);
}
}
if (!$iban) {
return;
}
$ibanCountryCode = substr($iban, 0, 2);
if (ctype_alpha($ibanCountryCode) && !$this->bicAndIbanCountriesMatch(substr($canonicalize, 4, 2), $ibanCountryCode)) {
$this->context->buildViolation($constraint->ibanMessage)
->setParameter('{{ value }}', $this->formatValue($value))
->setParameter('{{ iban }}', $iban)
->setCode(Bic::INVALID_IBAN_COUNTRY_CODE_ERROR)
->addViolation();
}
}
private function getPropertyAccessor(): PropertyAccessor
{
if (null === $this->propertyAccessor) {
if (!class_exists(PropertyAccess::class)) {
throw new LogicException('Unable to use property path as the Symfony PropertyAccess component is not installed.');
}
$this->propertyAccessor = PropertyAccess::createPropertyAccessor();
}
return $this->propertyAccessor;
}
private function bicAndIbanCountriesMatch(string $bicCountryCode, string $ibanCountryCode): bool
{
return $ibanCountryCode === $bicCountryCode || $ibanCountryCode === (self::BIC_COUNTRY_TO_IBAN_COUNTRY_MAP[$bicCountryCode] ?? null);
}
}
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