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