55 lines
1.1 KiB
PHP
55 lines
1.1 KiB
PHP
<?php
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/**
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* Copyright (c) 2015 Robin Appelman <icewind@owncloud.com>
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* This file is licensed under the Licensed under the MIT license:
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* http://opensource.org/licenses/MIT
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*/
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namespace Icewind\SMB;
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class TimeZoneProvider implements ITimeZoneProvider {
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/**
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* @var string[]
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*/
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private $timeZones = [];
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/**
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* @var ISystem
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*/
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private $system;
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/**
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* @param ISystem $system
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*/
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public function __construct(ISystem $system) {
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$this->system = $system;
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}
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public function get(string $host): string {
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if (!isset($this->timeZones[$host])) {
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$timeZone = null;
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$net = $this->system->getNetPath();
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// for local domain names we can assume same timezone
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if ($net && $host && strpos($host, '.') !== false) {
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$command = sprintf(
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'%s time zone -S %s',
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$net,
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escapeshellarg($host)
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);
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$timeZone = exec($command);
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}
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if (!$timeZone) {
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$date = $this->system->getDatePath();
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if ($date) {
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$timeZone = exec($date . " +%z");
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} else {
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$timeZone = date_default_timezone_get();
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}
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}
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$this->timeZones[$host] = $timeZone;
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}
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return $this->timeZones[$host];
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}
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}
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