silverstripe-environmentcheck/code/checks/SMTPConnectCheck.php
2015-11-21 19:18:35 +13:00

74 lines
1.7 KiB
PHP

<?php
/**
* Checks if the SMTP connection configured through PHP.ini works as expected.
*
* Only checks socket connection with HELO command, not actually sending the email.
*/
class SMTPConnectCheck implements EnvironmentCheck
{
/**
* @var string
*/
protected $host;
/**
* @var int
*/
protected $port;
/**
* Timeout (in seconds).
*
* @var int
*/
protected $timeout;
/**
* @param null|string $host
* @param null|int $port
* @param int $timeout
*/
public function __construct($host = null, $port = null, $timeout = 15)
{
$this->host = ($host) ? $host : ini_get('SMTP');
if (!$this->host) {
$this->host = 'localhost';
}
$this->port = ($port) ? $port : ini_get('smtp_port');
if (!$this->port) {
$this->port = 25;
}
$this->timeout = $timeout;
}
/**
* @inheritdoc
*
* @return array
*/
public function check()
{
$f = @fsockopen($this->host, $this->port, $errno, $errstr, $this->timeout);
if (!$f) {
return array(
EnvironmentCheck::ERROR,
sprintf("Couldn't connect to SMTP on %s:%s (Error: %s %s)", $this->host, $this->port, $errno, $errstr)
);
}
fwrite($f, "HELO its_me\r\n");
$response = fread($f, 26);
if (substr($response, 0, 3) != '220') {
return array(
EnvironmentCheck::ERROR,
sprintf("Invalid mail server response: %s", $response)
);
}
return array(EnvironmentCheck::OK, '');
}
}