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Support both UUIDv4 and UUIDv7 in Security::getRandomUUID()

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This commit is contained in:
Kijin Sung 2023-10-03 19:22:04 +09:00
parent c01ba1d3cf
commit f8ed6da4ed
2 changed files with 32 additions and 4 deletions
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26
common/framework/Security.php
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@ -252,13 +252,31 @@ class Security
/**
* Generate a random UUID.
*
* The code for UUIDv4 is based on https://stackoverflow.com/a/15875555/481206
*
* @param int $version (4 or 7)
* @return string
*/
public static function getRandomUUID(): string
public static function getRandomUUID(int $version = 4): string
{
$randpool = self::getRandom(16, 'binary');
$randpool[6] = chr(ord($randpool[6]) & 0x0f | 0x40);
$randpool[8] = chr(ord($randpool[8]) & 0x3f | 0x80);
if ($version === 4)
{
$randpool = self::getRandom(16, 'binary');
$randpool[6] = chr(ord($randpool[6]) & 0x0f | 0x40);
$randpool[8] = chr(ord($randpool[8]) & 0x3f | 0x80);
}
elseif ($version === 7)
{
$timestamp = microtime(false);
$timestamp = substr(pack('J', (intval(substr($timestamp, -10), 10) * 1000) + intval(substr($timestamp, 2, 3), 10)), -6);
$randpool = $timestamp . self::getRandom(10, 'binary');
$randpool[6] = chr(ord($randpool[6]) & 0x0f | 0x70);
$randpool[8] = chr(ord($randpool[8]) & 0x3f | 0x80);
}
else
{
throw new Exception('Invalid UUID version: ' . $version);
}
return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($randpool), 4));
}