/
UlidValidator.php
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/
UlidValidator.php
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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\Validator\Constraint;
use Symfony\Component\Validator\ConstraintValidator;
use Symfony\Component\Validator\Exception\UnexpectedTypeException;
use Symfony\Component\Validator\Exception\UnexpectedValueException;
/**
* Validates whether the value is a valid ULID (Universally Unique Lexicographically Sortable Identifier).
* Cf https://github.com/ulid/spec for ULID specifications.
*
* @author Laurent Clouet <laurent35240@gmail.com>
*/
class UlidValidator extends ConstraintValidator
{
/**
* @return void
*/
public function validate(mixed $value, Constraint $constraint)
{
if (!$constraint instanceof Ulid) {
throw new UnexpectedTypeException($constraint, Ulid::class);
}
if (null === $value || '' === $value) {
return;
}
if (!\is_scalar($value) && !$value instanceof \Stringable) {
throw new UnexpectedValueException($value, 'string');
}
$value = (string) $value;
if (26 !== \strlen($value)) {
$this->context->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->setCode(26 > \strlen($value) ? Ulid::TOO_SHORT_ERROR : Ulid::TOO_LONG_ERROR)
->addViolation();
return;
}
if (\strlen($value) !== strspn($value, '0123456789ABCDEFGHJKMNPQRSTVWXYZabcdefghjkmnpqrstvwxyz')) {
$this->context->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->setCode(Ulid::INVALID_CHARACTERS_ERROR)
->addViolation();
return;
}
// Largest valid ULID is '7ZZZZZZZZZZZZZZZZZZZZZZZZZ'
// Cf https://github.com/ulid/spec#overflow-errors-when-parsing-base32-strings
if ($value[0] > '7') {
$this->context->buildViolation($constraint->message)
->setParameter('{{ value }}', $this->formatValue($value))
->setCode(Ulid::TOO_LARGE_ERROR)
->addViolation();
}
}
}