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Add a uuid4 validate method

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This commit is contained in:
Clemens Schwaighofer
2024-12-02 15:36:21 +09:00
parent 83738adcb6
commit 47e44c15cc
4 changed files with 38 additions and 28 deletions
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8
www/admin/class_test.uids.php
View File

@@ -52,6 +52,14 @@ print "S:UNIQID (512): " . Uids::uniqId(512) . "<br>";
// uniq ids
print "UNIQU ID SHORT : " . Uids::uniqIdShort() . "<br>";
print "UNIQU ID LONG : " . Uids::uniqIdLong() . "<br>";
// validate
$uuidv4 = Uids::uuidv4();
if (!Uids::validateUuuidv4($uuidv4)) {
print "Invalid UUIDv4: " . $uuidv4 . "<br>";
}
if (!Uids::validateUuuidv4("foobar")) {
print "Invalid UUIDv4: hard coded<Br>";
}
// DEPRECATED
/* print "D/UUIDV4: ".$basic->uuidv4()."<br>";

34
www/lib/CoreLibs/Create/Uids.php
View File

@@ -56,26 +56,6 @@ class Uids
*/
public static function uuidv4(): string
{
/* return sprintf(
'%04x%04x-%04x-%04x-%04x-%04x%04x%04x',
// 32 bits for "time_low"
mt_rand(0, 0xffff),
mt_rand(0, 0xffff),
// 16 bits for "time_mid"
mt_rand(0, 0xffff),
// 16 bits for "time_hi_and_version",
// four most significant bits holds version number 4
mt_rand(0, 0x0fff) | 0x4000,
// 16 bits, 8 bits for "clk_seq_hi_res",
// 8 bits for "clk_seq_low",
// two most significant bits holds zero and one for variant DCE1.1
mt_rand(0, 0x3fff) | 0x8000,
// 48 bits for "node"
mt_rand(0, 0xffff),
mt_rand(0, 0xffff),
mt_rand(0, 0xffff)
); */
$data = random_bytes(16);
assert(strlen($data) == 16);
@@ -93,6 +73,20 @@ class Uids
return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split(bin2hex($data), 4));
}
/**
* regex validate uuid v4
*
* @param string $uuidv4
* @return bool
*/
public static function validateUuuidv4(string $uuidv4): bool
{
if (!preg_match("/^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$/", $uuidv4)) {
return false;
}
return true;
}
/**
* creates a uniq id based on lengths
*