Viewing file:  RemoteDriver.php (2.45 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
<?php
namespace Martian\SpamMailChecker\Drivers;
use Martian\SpamMailChecker\Abstracts\Driver;
use Martian\SpamMailChecker\Exceptions\SpamMailCheckerException;
class RemoteDriver extends Driver
{
/**
* @var bool
*/
protected $checkDNS;
/**
* @var bool
*/
protected $checkSMTP;
/**
* @var bool
*/
protected $checkMX;
/**
* @var int
*/
protected $timeout;
/**
* Remote Driver Constructor.
*/
public function __construct()
{
parent::__construct();
$this->checkDNS = $this->config->getRemoteDriverCheckDNS();
$this->checkSMTP = $this->config->getRemoteDriverCheckSMTP();
$this->checkMX = $this->config->getRemoteDriverCheckMX();
$this->timeout = $this->config->getRemoteDriverTimeout();
}
/**
* Validate the email using the remote driver.
*
* @return bool
* @throws SpamMailCheckerValidationException
*/
public function validate(string $email): bool
{
$emailDomain = $this->getDomain($email);
try {
// Check DNS
if ($this->checkDNS && !$this->isDNSValid($emailDomain)) {
return false;
}
// Check SMTP
if ($this->checkSMTP && !$this->isSMTPValid($emailDomain)) {
return false;
}
// Check MX
if ($this->checkMX && !$this->isMXValid($emailDomain)) {
return false;
}
return true;
} catch (\Exception $e) {
throw new SpamMailCheckerException('Error occurred during email validation.');
}
}
/**
* Check if the DNS record is valid for the email domain.
*
* @param string $domain
* @return bool
*/
protected function isDNSValid(string $domain): bool
{
return checkdnsrr($domain, 'A');
}
/**
* Check if the SMTP server is valid for the email domain.
*
* @param string $domain
* @return bool
*/
protected function isSMTPValid(string $domain): bool
{
$smtp = fsockopen($domain, 25, $errno, $errstr, $this->timeout);
if ($smtp) {
fclose($smtp);
return true;
}
return false;
}
/**
* Check if the MX record is valid for the email domain.
*
* @param string $domain
* @return bool
*/
protected function isMXValid(string $domain): bool
{
return getmxrr($domain, $mxhosts);
}
}
|