function EmailValidator::validate

Overrides ConstraintValidatorInterface::validate

File

vendor/symfony/validator/Constraints/EmailValidator.php, line 48

Class

EmailValidator

@author Bernhard Schussek <bschussek@gmail.com>

Namespace

Symfony\Component\Validator\Constraints

Code

public function validate(mixed $value, Constraint $constraint) : void {
    if (!$constraint instanceof Email) {
        throw new UnexpectedTypeException($constraint, Email::class);
    }
    if (null === $value || '' === $value) {
        return;
    }
    if (!\is_scalar($value) && !$value instanceof \Stringable) {
        throw new UnexpectedValueException($value, 'string');
    }
    $value = (string) $value;
    if ('' === $value) {
        return;
    }
    if (null !== $constraint->normalizer) {
        $value = ($constraint->normalizer)($value);
    }
    if (null === $constraint->mode) {
        if (Email::VALIDATION_MODE_STRICT === $this->defaultMode && !class_exists(EguliasEmailValidator::class)) {
            throw new LogicException(\sprintf('The "egulias/email-validator" component is required to make the "%s" constraint default to strict mode. Try running "composer require egulias/email-validator".', Email::class));
        }
        $constraint->mode = $this->defaultMode;
    }
    if (!\in_array($constraint->mode, Email::VALIDATION_MODES, true)) {
        throw new InvalidArgumentException(\sprintf('The "%s::$mode" parameter value is not valid.', get_debug_type($constraint)));
    }
    if (Email::VALIDATION_MODE_STRICT === $constraint->mode) {
        $strictValidator = new EguliasEmailValidator();
        if (interface_exists(EmailValidation::class) && !$strictValidator->isValid($value, new NoRFCWarningsValidation())) {
            $this->context
                ->buildViolation($constraint->message)
                ->setParameter('{{ value }}', $this->formatValue($value))
                ->setCode(Email::INVALID_FORMAT_ERROR)
                ->addViolation();
        }
        elseif (!interface_exists(EmailValidation::class) && !$strictValidator->isValid($value, false, true)) {
            $this->context
                ->buildViolation($constraint->message)
                ->setParameter('{{ value }}', $this->formatValue($value))
                ->setCode(Email::INVALID_FORMAT_ERROR)
                ->addViolation();
        }
    }
    elseif (!preg_match(self::EMAIL_PATTERNS[$constraint->mode], $value)) {
        $this->context
            ->buildViolation($constraint->message)
            ->setParameter('{{ value }}', $this->formatValue($value))
            ->setCode(Email::INVALID_FORMAT_ERROR)
            ->addViolation();
    }
}