class EmailValidator in Plug 7

@author Bernhard Schussek <[e-mail]>

@api

Hierarchy

• class \Symfony\Component\Validator\ConstraintValidator implements ConstraintValidatorInterface
  • class \Symfony\Component\Validator\Constraints\EmailValidator

1 file declares its use of EmailValidator

EmailValidatorTest.php in lib/Symfony/validator/Symfony/Component/Validator/Tests/Constraints/EmailValidatorTest.php

File

lib/Symfony/validator/Symfony/Component/Validator/Constraints/EmailValidator.php, line 24

Namespace

Symfony\Component\Validator\Constraints

class EmailValidator extends ConstraintValidator {

  /**
   * @var bool
   */
  private $isStrict;
  public function __construct($strict = false) {
    $this->isStrict = $strict;
  }

  /**
   * {@inheritdoc}
   */
  public function validate($value, Constraint $constraint) {
    if (!$constraint instanceof Email) {
      throw new UnexpectedTypeException($constraint, __NAMESPACE__ . '\\Email');
    }
    if (null === $value || '' === $value) {
      return;
    }
    if (!is_scalar($value) && !(is_object($value) && method_exists($value, '__toString'))) {
      throw new UnexpectedTypeException($value, 'string');
    }
    $value = (string) $value;
    if (null === $constraint->strict) {
      $constraint->strict = $this->isStrict;
    }
    if ($constraint->strict) {
      if (!class_exists('\\Egulias\\EmailValidator\\EmailValidator')) {
        throw new RuntimeException('Strict email validation requires egulias/email-validator');
      }
      $strictValidator = new \Egulias\EmailValidator\EmailValidator();
      if (!$strictValidator
        ->isValid($value, false, true)) {
        $this
          ->buildViolation($constraint->message)
          ->setParameter('{{ value }}', $this
          ->formatValue($value))
          ->setCode(Email::INVALID_FORMAT_ERROR)
          ->addViolation();
        return;
      }
    }
    elseif (!preg_match('/^.+\\@\\S+\\.\\S+$/', $value)) {
      $this
        ->buildViolation($constraint->message)
        ->setParameter('{{ value }}', $this
        ->formatValue($value))
        ->setCode(Email::INVALID_FORMAT_ERROR)
        ->addViolation();
      return;
    }
    $host = substr($value, strpos($value, '@') + 1);

    // Check for host DNS resource records
    if ($constraint->checkMX) {
      if (!$this
        ->checkMX($host)) {
        $this
          ->buildViolation($constraint->message)
          ->setParameter('{{ value }}', $this
          ->formatValue($value))
          ->setCode(Email::MX_CHECK_FAILED_ERROR)
          ->addViolation();
      }
      return;
    }
    if ($constraint->checkHost && !$this
      ->checkHost($host)) {
      $this
        ->buildViolation($constraint->message)
        ->setParameter('{{ value }}', $this
        ->formatValue($value))
        ->setCode(Email::HOST_CHECK_FAILED_ERROR)
        ->addViolation();
    }
  }

  /**
   * Check DNS Records for MX type.
   *
   * @param string $host Host
   *
   * @return bool
   */
  private function checkMX($host) {
    return checkdnsrr($host, 'MX');
  }

  /**
   * Check if one of MX, A or AAAA DNS RR exists.
   *
   * @param string $host Host
   *
   * @return bool
   */
  private function checkHost($host) {
    return $this
      ->checkMX($host) || (checkdnsrr($host, 'A') || checkdnsrr($host, 'AAAA'));
  }

}

Members

Name	Modifiers	Type	Description	Overrides
ConstraintValidator::$context	protected	property
ConstraintValidator::buildViolation Deprecated	protected	function	Wrapper for {@link ExecutionContextInterface::buildViolation} that supports the 2.4 context API.
ConstraintValidator::buildViolationInContext Deprecated	protected	function	Wrapper for {@link ExecutionContextInterface::buildViolation} that supports the 2.4 context API.
ConstraintValidator::formatTypeOf	protected	function	Returns a string representation of the type of the value.
ConstraintValidator::formatValue	protected	function	Returns a string representation of the value.
ConstraintValidator::formatValues	protected	function	Returns a string representation of a list of values.
ConstraintValidator::initialize	public	function	Initializes the constraint validator. Overrides ConstraintValidatorInterface::initialize	1
ConstraintValidator::OBJECT_TO_STRING		constant	Whether to cast objects with a "__toString()" method to strings.
ConstraintValidator::PRETTY_DATE		constant	Whether to format {@link \DateTime} objects as RFC-3339 dates ("Y-m-d H:i:s").
EmailValidator::$isStrict	private	property
EmailValidator::checkHost	private	function	Check if one of MX, A or AAAA DNS RR exists.
EmailValidator::checkMX	private	function	Check DNS Records for MX type.
EmailValidator::validate	public	function	Checks if the passed value is valid. Overrides ConstraintValidatorInterface::validate
EmailValidator::__construct	public	function