/**
* @param $hostname
* @return bool
*/
public static function validate(string $hostname) : bool
{
if (in_array($hostname, ['@', '*'])) {
return true;
}
if (strpos($hostname, '@') !== false && strlen($hostname) > 1) {
return false;
}
$hostname = preg_replace('/^\\*\\./', '', $hostname);
// wild card allowed in hostname
$hostnameValidation = HostnameValidator::validate($hostname);
if ($hostnameValidation) {
return true;
}
$ipValidation = Ip4Validator::validate($hostname);
if ($ipValidation) {
return true;
}
return false;
}
/**
* Process domain part validation
*
* @param string $value The domain part of an email address to validate
* @param bool $send_errors Does the function must throw exceptions on validation failures ?
* @return bool TRUE if $value pass the Email validation
* @throws \Exception for each invalid part if `$send_errors` is true
*/
public function validateDomainPart($value, $send_errors = false)
{
// the domain name must be an IP address between brackets ...
if (substr($value, 0, 1) == '[' && substr($value, -1, 1) == ']') {
$ip_domain_part = substr($value, 1, strlen($value) - 2);
// is it an IPv6
if (substr($ip_domain_part, 0, strlen('IPv6:')) == 'IPv6:') {
$ip6_domain_part = substr($ip_domain_part, strlen('IPv6:'));
$ip6HostnameValidator = new InternetProtocolValidator('v6');
try {
if (false === ($ip6domain_name_valid = $ip6HostnameValidator->validate($ip6_domain_part, $send_errors))) {
return false;
}
} catch (\Exception $e) {
throw $e;
}
} else {
$ip4HostnameValidator = new InternetProtocolValidator();
try {
if (false === ($ip4domain_name_valid = $ip4HostnameValidator->validate($ip_domain_part, $send_errors))) {
return false;
}
} catch (\Exception $e) {
throw $e;
}
}
} else {
$hostnameValidator = new HostnameValidator();
try {
if (false === ($hostdomain_name_valid = $hostnameValidator->validate($value, $send_errors))) {
return false;
}
} catch (\Exception $e) {
throw $e;
}
}
return true;
}
