0byt3m1n1
Path:
/
home
/
mgatv524
/
pmj.mgaplay.com.br
/
vendor
/
robthree
/
twofactorauth
/
lib
/
Providers
/
Time
/
[
Home
]
File: NTPTimeProvider.php
<?php namespace RobThree\Auth\Providers\Time; /** * Takes the time from any NTP server */ class NTPTimeProvider implements ITimeProvider { /** @var string */ public $host; /** @var int */ public $port; /** @var int */ public $timeout; /** * @param string $host * @param int $port * @param int $timeout */ public function __construct($host = 'time.google.com', $port = 123, $timeout = 1) { $this->host = $host; if (!is_int($port) || $port <= 0 || $port > 65535) { throw new TimeException('Port must be 0 < port < 65535'); } $this->port = $port; if (!is_int($timeout) || $timeout < 0) { throw new TimeException('Timeout must be >= 0'); } $this->timeout = $timeout; } /** * {@inheritdoc} */ public function getTime() { try { /* Create a socket and connect to NTP server */ $sock = socket_create(AF_INET, SOCK_DGRAM, SOL_UDP); socket_set_option($sock, SOL_SOCKET, SO_RCVTIMEO, ['sec' => $this->timeout, 'usec' => 0]); socket_connect($sock, $this->host, $this->port); /* Send request */ $msg = "\010" . str_repeat("\0", 47); socket_send($sock, $msg, strlen($msg), 0); /* Receive response and close socket */ if (socket_recv($sock, $recv, 48, MSG_WAITALL) === false) { throw new \Exception(socket_strerror(socket_last_error($sock))); } socket_close($sock); /* Interpret response */ $data = unpack('N12', $recv); $timestamp = (int) sprintf('%u', $data[9]); /* NTP is number of seconds since 0000 UT on 1 January 1900 Unix time is seconds since 0000 UT on 1 January 1970 */ return $timestamp - 2208988800; } catch (\Exception $ex) { throw new TimeException(sprintf('Unable to retrieve time from %s (%s)', $this->host, $ex->getMessage())); } } }