189 lines
		
	
	
		
			7.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			189 lines
		
	
	
		
			7.1 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?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\PropertyAccess\Exception\NoSuchPropertyException;
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use Symfony\Component\PropertyAccess\Exception\UninitializedPropertyException;
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use Symfony\Component\PropertyAccess\PropertyAccess;
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use Symfony\Component\PropertyAccess\PropertyAccessorInterface;
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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\ConstraintDefinitionException;
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use Symfony\Component\Validator\Exception\UnexpectedTypeException;
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/**
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 * @author Bernhard Schussek <bschussek@gmail.com>
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 */
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class RangeValidator extends ConstraintValidator
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{
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    public function __construct(private ?PropertyAccessorInterface $propertyAccessor = null)
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    {
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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 Range) {
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            throw new UnexpectedTypeException($constraint, Range::class);
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        }
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        if (null === $value) {
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            return;
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        }
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        $min = $this->getLimit($constraint->minPropertyPath, $constraint->min, $constraint);
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        $max = $this->getLimit($constraint->maxPropertyPath, $constraint->max, $constraint);
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        if (!is_numeric($value) && !$value instanceof \DateTimeInterface) {
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            if ($this->isParsableDatetimeString($min) && $this->isParsableDatetimeString($max)) {
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                $this->context->buildViolation($constraint->invalidDateTimeMessage)
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                    ->setParameter('{{ value }}', $this->formatValue($value, self::PRETTY_DATE))
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                    ->setCode(Range::INVALID_CHARACTERS_ERROR)
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                    ->addViolation();
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            } else {
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                $this->context->buildViolation($constraint->invalidMessage)
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                    ->setParameter('{{ value }}', $this->formatValue($value, self::PRETTY_DATE))
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                    ->setCode(Range::INVALID_CHARACTERS_ERROR)
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                    ->addViolation();
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            }
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            return;
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        }
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        // Convert strings to DateTimes if comparing another DateTime
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        // This allows to compare with any date/time value supported by
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        // the DateTime constructor:
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        // https://php.net/datetime.formats
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        if ($value instanceof \DateTimeInterface) {
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            if (\is_string($min)) {
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                try {
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                    $min = new $value($min);
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                } catch (\Exception) {
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                    throw new ConstraintDefinitionException(\sprintf('The min value "%s" could not be converted to a "%s" instance in the "%s" constraint.', $min, get_debug_type($value), get_debug_type($constraint)));
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                }
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            }
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            if (\is_string($max)) {
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                try {
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                    $max = new $value($max);
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                } catch (\Exception) {
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                    throw new ConstraintDefinitionException(\sprintf('The max value "%s" could not be converted to a "%s" instance in the "%s" constraint.', $max, get_debug_type($value), get_debug_type($constraint)));
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                }
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            }
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        }
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        $hasLowerLimit = null !== $min;
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        $hasUpperLimit = null !== $max;
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        if ($hasLowerLimit && $hasUpperLimit && ($value < $min || $value > $max)) {
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            $message = $constraint->notInRangeMessage;
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            $code = Range::NOT_IN_RANGE_ERROR;
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            $violationBuilder = $this->context->buildViolation($message)
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                ->setParameter('{{ value }}', $this->formatValue($value, self::PRETTY_DATE))
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                ->setParameter('{{ min }}', $this->formatValue($min, self::PRETTY_DATE))
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                ->setParameter('{{ max }}', $this->formatValue($max, self::PRETTY_DATE))
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                ->setCode($code);
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            if (null !== $constraint->maxPropertyPath) {
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                $violationBuilder->setParameter('{{ max_limit_path }}', $constraint->maxPropertyPath);
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            }
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            if (null !== $constraint->minPropertyPath) {
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                $violationBuilder->setParameter('{{ min_limit_path }}', $constraint->minPropertyPath);
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            }
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            $violationBuilder->addViolation();
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            return;
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        }
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        if ($hasUpperLimit && $value > $max) {
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            $violationBuilder = $this->context->buildViolation($constraint->maxMessage)
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                ->setParameter('{{ value }}', $this->formatValue($value, self::PRETTY_DATE))
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                ->setParameter('{{ limit }}', $this->formatValue($max, self::PRETTY_DATE))
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                ->setCode(Range::TOO_HIGH_ERROR);
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            if (null !== $constraint->maxPropertyPath) {
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                $violationBuilder->setParameter('{{ max_limit_path }}', $constraint->maxPropertyPath);
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            }
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            if (null !== $constraint->minPropertyPath) {
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                $violationBuilder->setParameter('{{ min_limit_path }}', $constraint->minPropertyPath);
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            }
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            $violationBuilder->addViolation();
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            return;
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        }
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        if ($hasLowerLimit && $value < $min) {
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            $violationBuilder = $this->context->buildViolation($constraint->minMessage)
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                ->setParameter('{{ value }}', $this->formatValue($value, self::PRETTY_DATE))
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                ->setParameter('{{ limit }}', $this->formatValue($min, self::PRETTY_DATE))
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                ->setCode(Range::TOO_LOW_ERROR);
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            if (null !== $constraint->maxPropertyPath) {
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                $violationBuilder->setParameter('{{ max_limit_path }}', $constraint->maxPropertyPath);
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            }
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            if (null !== $constraint->minPropertyPath) {
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                $violationBuilder->setParameter('{{ min_limit_path }}', $constraint->minPropertyPath);
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            }
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            $violationBuilder->addViolation();
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        }
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    }
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    private function getLimit(?string $propertyPath, mixed $default, Constraint $constraint): mixed
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    {
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        if (null === $propertyPath) {
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            return $default;
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        }
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        if (null === $object = $this->context->getObject()) {
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            return $default;
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        }
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        try {
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            return $this->getPropertyAccessor()->getValue($object, $propertyPath);
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        } catch (NoSuchPropertyException $e) {
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            throw new ConstraintDefinitionException(\sprintf('Invalid property path "%s" provided to "%s" constraint: ', $propertyPath, get_debug_type($constraint)).$e->getMessage(), 0, $e);
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        } catch (UninitializedPropertyException) {
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            return null;
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        }
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    }
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    private function getPropertyAccessor(): PropertyAccessorInterface
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    {
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        return $this->propertyAccessor ??= PropertyAccess::createPropertyAccessor();
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    }
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    private function isParsableDatetimeString(mixed $boundary): bool
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    {
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        if (null === $boundary) {
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            return true;
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        }
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        if (!\is_string($boundary)) {
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            return false;
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        }
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        try {
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            new \DateTimeImmutable($boundary);
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        } catch (\Exception) {
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            return false;
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        }
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        return true;
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    }
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}
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