70 lines
2.4 KiB
PHP
70 lines
2.4 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Validator\Constraints;
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use Symfony\Component\Validator\Constraint;
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use Symfony\Component\Validator\ConstraintValidator;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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use Symfony\Component\Validator\Exception\UnexpectedValueException;
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/**
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* Validates whether the value is a valid ULID (Universally Unique Lexicographically Sortable Identifier).
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* Cf https://github.com/ulid/spec for ULID specifications.
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*
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* @author Laurent Clouet <laurent35240@gmail.com>
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*/
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class UlidValidator extends ConstraintValidator
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{
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/**
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* {@inheritdoc}
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*/
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public function validate($value, Constraint $constraint)
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{
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if (!$constraint instanceof Ulid) {
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throw new UnexpectedTypeException($constraint, Ulid::class);
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}
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if (null === $value || '' === $value) {
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return;
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}
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if (!is_scalar($value) && !(\is_object($value) && method_exists($value, '__toString'))) {
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throw new UnexpectedValueException($value, 'string');
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}
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$value = (string) $value;
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if (26 !== \strlen($value)) {
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$this->context->buildViolation($constraint->message)
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->setParameter('{{ value }}', $this->formatValue($value))
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->setCode(26 > \strlen($value) ? Ulid::TOO_SHORT_ERROR : Ulid::TOO_LONG_ERROR)
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->addViolation();
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}
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if (\strlen($value) !== strspn($value, '0123456789ABCDEFGHJKMNPQRSTVWXYZabcdefghjkmnpqrstvwxyz')) {
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$this->context->buildViolation($constraint->message)
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->setParameter('{{ value }}', $this->formatValue($value))
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->setCode(Ulid::INVALID_CHARACTERS_ERROR)
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->addViolation();
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}
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// Largest valid ULID is '7ZZZZZZZZZZZZZZZZZZZZZZZZZ'
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// Cf https://github.com/ulid/spec#overflow-errors-when-parsing-base32-strings
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if ($value[0] > '7') {
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$this->context->buildViolation($constraint->message)
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->setParameter('{{ value }}', $this->formatValue($value))
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->setCode(Ulid::TOO_LARGE_ERROR)
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->addViolation();
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}
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}
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}
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