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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(); } } }
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