98 lines
3.6 KiB
PHP
98 lines
3.6 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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public function validate(mixed $value, Constraint $constraint): void
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{
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if (!$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) && !$value instanceof \Stringable) {
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throw new UnexpectedValueException($value, 'string');
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}
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$value = (string) $value;
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[$requiredLength, $requiredCharset] = match ($constraint->format) {
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Ulid::FORMAT_BASE_32 => [26, '0123456789ABCDEFGHJKMNPQRSTVWXYZabcdefghjkmnpqrstvwxyz'],
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Ulid::FORMAT_BASE_58 => [22, '123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz'],
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Ulid::FORMAT_RFC_4122 => [36, '0123456789ABCDEFabcdef-'],
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};
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if ($requiredLength !== \strlen($value)) {
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$this->context->buildViolation($constraint->message)
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->setParameters([
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'{{ value }}' => $this->formatValue($value),
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'{{ format }}' => $constraint->format,
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])
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->setCode($requiredLength > \strlen($value) ? Ulid::TOO_SHORT_ERROR : Ulid::TOO_LONG_ERROR)
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->addViolation();
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return;
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}
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if (\strlen($value) !== strspn($value, $requiredCharset)) {
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$this->context->buildViolation($constraint->message)
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->setParameters([
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'{{ value }}' => $this->formatValue($value),
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'{{ format }}' => $constraint->format,
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])
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->setCode(Ulid::INVALID_CHARACTERS_ERROR)
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->addViolation();
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return;
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}
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if (Ulid::FORMAT_BASE_32 === $constraint->format) {
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// Largest valid ULID is '7ZZZZZZZZZZZZZZZZZZZZZZZZZ'
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// Cf https://github.com/ulid/spec#overflow-errors-when-parsing-base32-strings
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if ($value[0] > '7') {
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$this->context->buildViolation($constraint->message)
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->setParameters([
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'{{ value }}' => $this->formatValue($value),
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'{{ format }}' => $constraint->format,
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])
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->setCode(Ulid::TOO_LARGE_ERROR)
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->addViolation();
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}
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} elseif (Ulid::FORMAT_RFC_4122 === $constraint->format) {
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if (!preg_match('/^[^-]{8}-[^-]{4}-[^-]{4}-[^-]{4}-[^-]{12}$/', $value)) {
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$this->context->buildViolation($constraint->message)
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->setParameters([
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'{{ value }}' => $this->formatValue($value),
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'{{ format }}' => $constraint->format,
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])
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->setCode(Ulid::INVALID_FORMAT_ERROR)
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->addViolation();
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}
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}
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}
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}
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