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 ~1.2|~2.0');
}
$strictValidator = new \Egulias\EmailValidator\EmailValidator();
if (interface_exists(EmailValidation::class) && !$strictValidator->isValid($value, new NoRFCWarningsValidation())) {
$this->context->buildViolation($constraint->message)->setParameter('{{ value }}', $this->formatValue($value))->setCode(Email::INVALID_FORMAT_ERROR)->addViolation();
return;
} 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();
return;
}
} elseif (!preg_match('/^.+\\@\\S+\\.\\S+$/', $value)) {
$this->context->buildViolation($constraint->message)->setParameter('{{ value }}', $this->formatValue($value))->setCode(Email::INVALID_FORMAT_ERROR)->addViolation();
return;
}
$host = substr($value, strrpos($value, '@') + 1);
// Check for host DNS resource records
if ($constraint->checkMX) {
if (!$this->checkMX($host)) {
$this->context->buildViolation($constraint->message)->setParameter('{{ value }}', $this->formatValue($value))->setCode(Email::MX_CHECK_FAILED_ERROR)->addViolation();
}
return;
}
if ($constraint->checkHost && !$this->checkHost($host)) {
$this->context->buildViolation($constraint->message)->setParameter('{{ value }}', $this->formatValue($value))->setCode(Email::HOST_CHECK_FAILED_ERROR)->addViolation();
}
}