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Fixed timezone error caused by WMIC deprecation in new Windows (#6721)

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Timezone information is now fetched from the registry instead of using WMIC
This commit is contained in:
Sunch
2025-09-28 00:10:19 +08:00
committed by GitHub
parent d11cf1e592
commit b8b7580153
1 changed files with 56 additions and 26 deletions
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68
src/utils/Timezone.php
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@@ -26,9 +26,11 @@ namespace pocketmine\utils;
use function abs;
use function date_default_timezone_set;
use function date_parse;
use function escapeshellarg;
use function exec;
use function file_get_contents;
use function implode;
use function floor;
use function hexdec;
use function ini_get;
use function ini_set;
use function is_array;
@@ -37,6 +39,7 @@ use function json_decode;
use function parse_ini_file;
use function preg_match;
use function readlink;
use function sprintf;
use function str_contains;
use function str_replace;
use function str_starts_with;
@@ -105,40 +108,67 @@ abstract class Timezone{
public static function detectSystemTimezone() : string|false{
switch(Utils::getOS()){
case Utils::OS_WINDOWS:
$regex = '/(UTC)(\+*\-*\d*\d*\:*\d*\d*)/';
$keyPath = 'HKLM\\SYSTEM\\CurrentControlSet\\Control\\TimeZoneInformation';
/*
* wmic timezone get Caption
* Get the timezone offset
* Get the timezone offset through the registry
*
* Sample Output var_dump
* array(3) {
* array(13) {
* [0]=>
* string(7) "Caption"
* string(0) ""
* [1]=>
* string(20) "(UTC+09:30) Adelaide"
* string(71) "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation"
* [2]=>
* string(35) " Bias REG_DWORD 0xfffffe20"
* [3]=>
* string(43) " DaylightBias REG_DWORD 0xffffffc4"
* [4]=>
* string(45) " DaylightName REG_SZ @tzres.dll,-571"
* [5]=>
* string(67) " DaylightStart REG_BINARY 00000000000000000000000000000000"
* [6]=>
* string(36) " StandardBias REG_DWORD 0x0"
* [7]=>
* string(45) " StandardName REG_SZ @tzres.dll,-572"
* [8]=>
* string(67) " StandardStart REG_BINARY 00000000000000000000000000000000"
* [9]=>
* string(52) " TimeZoneKeyName REG_SZ China Standard Time"
* [10]=>
* string(51) " DynamicDaylightTimeDisabled REG_DWORD 0x0"
* [11]=>
* string(45) " ActiveTimeBias REG_DWORD 0xfffffe20"
* [12]=>
* string(0) ""
* }
*/
exec("wmic timezone get Caption", $output);
exec("reg query " . escapeshellarg($keyPath), $output);
$string = trim(implode("\n", $output));
foreach($output as $line){
if(preg_match('/ActiveTimeBias\s+REG_DWORD\s+0x([0-9a-fA-F]+)/', $line, $matches) > 0){
$offsetMinutes = Binary::signInt((int) hexdec(trim($matches[1])));
//Detect the Time Zone string
preg_match($regex, $string, $matches);
if(!isset($matches[2])){
return false;
}
$offset = $matches[2];
if($offset === ""){
if($offsetMinutes === 0){
return "UTC";
}
$sign = $offsetMinutes <= 0 ? '+' : '-'; //windows timezone + and - are opposite
$absMinutes = abs($offsetMinutes);
$hours = floor($absMinutes / 60);
$minutes = $absMinutes % 60;
$offset = sprintf(
"%s%02d:%02d",
$sign,
$hours,
$minutes
);
return self::parseOffset($offset);
}
}
return false;
case Utils::OS_LINUX:
// Ubuntu / Debian.
$data = @file_get_contents('/etc/timezone');