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File / Folder	Size	Action
.	-
Command	--	ren
Exception	--	ren
Factory	--	ren
AbstractUid.php	5.522KB	edt ren
BinaryUtil.php	6.427KB	edt ren
CHANGELOG.md	1.519KB	edt ren
HashableInterface.php	0.621KB	edt ren
LICENSE	1.043KB	edt ren
MaxUlid.php	0.374KB	edt ren
MaxUuid.php	0.405KB	edt ren
NilUlid.php	0.374KB	edt ren
NilUuid.php	0.461KB	edt ren
README.md	0.59KB	edt ren
TimeBasedUidInterface.php	0.507KB	edt ren
Ulid.php	6.925KB	edt ren
Uuid.php	7.391KB	edt ren
UuidV1.php	2.362KB	edt ren
UuidV3.php	0.578KB	edt ren
UuidV4.php	1.325KB	edt ren
UuidV5.php	0.578KB	edt ren
UuidV6.php	3.068KB	edt ren
UuidV7.php	6.188KB	edt ren
UuidV8.php	0.56KB	edt ren
composer.json	0.9KB	edt ren

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Uid;

use Symfony\Component\Uid\Exception\InvalidArgumentException;

/**
 * @author Grégoire Pineau <lyrixx@lyrixx.info>
 *
 * @see https://datatracker.ietf.org/doc/html/rfc9562/#section-6.6 for details about namespaces
 */
class Uuid extends AbstractUid
{
    public const NAMESPACE_DNS = '6ba7b810-9dad-11d1-80b4-00c04fd430c8';
    public const NAMESPACE_URL = '6ba7b811-9dad-11d1-80b4-00c04fd430c8';
    public const NAMESPACE_OID = '6ba7b812-9dad-11d1-80b4-00c04fd430c8';
    public const NAMESPACE_X500 = '6ba7b814-9dad-11d1-80b4-00c04fd430c8';

public const FORMAT_BINARY = 1;
    public const FORMAT_BASE_32 = 1 << 1;
    public const FORMAT_BASE_58 = 1 << 2;
    public const FORMAT_RFC_4122 = 1 << 3;
    public const FORMAT_RFC_9562 = self::FORMAT_RFC_4122;
    public const FORMAT_ALL = -1;

protected const TYPE = 0;
    protected const NIL = '00000000-0000-0000-0000-000000000000';
    protected const MAX = 'ffffffff-ffff-ffff-ffff-ffffffffffff';

public function __construct(string $uuid, bool $checkVariant = false)
    {
        $type = preg_match('{^[0-9a-f]{8}(?:-[0-9a-f]{4}){3}-[0-9a-f]{12}$}Di', $uuid) ? (int) $uuid[14] : false;

if (false === $type || (static::TYPE ?: $type) !== $type) {
            throw new InvalidArgumentException(\sprintf('Invalid UUID%s.', static::TYPE ? 'v'.static::TYPE : ''));
        }

$this->uid = strtolower($uuid);

if ($checkVariant && !\in_array($this->uid[19], ['8', '9', 'a', 'b'], true)) {
            throw new InvalidArgumentException(\sprintf('Invalid UUID%s.', static::TYPE ? 'v'.static::TYPE : ''));
        }
    }

public static function fromString(string $uuid): static
    {
        $uuid = self::transformToRfc9562($uuid, self::FORMAT_ALL);

if (__CLASS__ !== static::class || 36 !== \strlen($uuid)) {
            return new static($uuid);
        }

if (self::NIL === $uuid) {
            return new NilUuid();
        }

if (self::MAX === $uuid = strtr($uuid, 'F', 'f')) {
            return new MaxUuid();
        }

if (!\in_array($uuid[19], ['8', '9', 'a', 'b', 'A', 'B'], true)) {
            return new self($uuid);
        }

return match ((int) $uuid[14]) {
            UuidV1::TYPE => new UuidV1($uuid),
            UuidV3::TYPE => new UuidV3($uuid),
            UuidV4::TYPE => new UuidV4($uuid),
            UuidV5::TYPE => new UuidV5($uuid),
            UuidV6::TYPE => new UuidV6($uuid),
            UuidV7::TYPE => new UuidV7($uuid),
            UuidV8::TYPE => new UuidV8($uuid),
            default => new self($uuid),
        };
    }

final public static function v1(): UuidV1
    {
        return new UuidV1();
    }

final public static function v3(self $namespace, string $name): UuidV3
    {
        // don't use uuid_generate_md5(), some versions are buggy
        $uuid = md5(hex2bin(str_replace('-', '', $namespace->uid)).$name, true);

return new UuidV3(self::format($uuid, '-3'));
    }

final public static function v4(): UuidV4
    {
        return new UuidV4();
    }

final public static function v5(self $namespace, string $name): UuidV5
    {
        // don't use uuid_generate_sha1(), some versions are buggy
        $uuid = substr(sha1(hex2bin(str_replace('-', '', $namespace->uid)).$name, true), 0, 16);

return new UuidV5(self::format($uuid, '-5'));
    }

final public static function v6(): UuidV6
    {
        return new UuidV6();
    }

final public static function v7(): UuidV7
    {
        return new UuidV7();
    }

final public static function v8(string $uuid): UuidV8
    {
        return new UuidV8($uuid);
    }

/**
     * @param int-mask-of<Uuid::FORMAT_*> $format
     */
    public static function isValid(string $uuid /* , int $format = self::FORMAT_RFC_9562 */): bool
    {
        $format = 1 < \func_num_args() ? func_get_arg(1) : self::FORMAT_RFC_9562;

if (36 === \strlen($uuid) && !($format & self::FORMAT_RFC_9562)) {
            return false;
        }

if (false === $uuid = self::transformToRfc9562($uuid, $format)) {
            return false;
        }

if (self::NIL === $uuid && \in_array(static::class, [__CLASS__, NilUuid::class], true)) {
            return true;
        }

if (self::MAX === strtr($uuid, 'F', 'f') && \in_array(static::class, [__CLASS__, MaxUuid::class], true)) {
            return true;
        }

if (!preg_match('{^[0-9a-f]{8}(?:-[0-9a-f]{4}){2}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$}Di', $uuid)) {
            return false;
        }

return __CLASS__ === static::class || static::TYPE === (int) $uuid[14];
    }

public function toBinary(): string
    {
        return hex2bin(str_replace('-', '', $this->uid));
    }

/**
     * Returns the identifier as a RFC 9562/4122 case insensitive string.
     *
     * @see https://datatracker.ietf.org/doc/html/rfc9562/#section-4
     *
     * @example 09748193-048a-4bfb-b825-8528cf74fdc1 (len=36)
     */
    public function toRfc4122(): string
    {
        return $this->uid;
    }

public function compare(AbstractUid $other): int
    {
        if (false !== $cmp = uuid_compare($this->uid, $other->uid)) {
            return $cmp;
        }

return parent::compare($other);
    }

private static function format(string $uuid, string $version): string
    {
        $uuid[8] = $uuid[8] & "\x3F" | "\x80";
        $uuid = substr_replace(bin2hex($uuid), '-', 8, 0);
        $uuid = substr_replace($uuid, $version, 13, 1);
        $uuid = substr_replace($uuid, '-', 18, 0);

return substr_replace($uuid, '-', 23, 0);
    }

/**
     * Transforms a binary string, a base-32 string or a base-58 string to a RFC9562 string.
     *
     * @param int-mask-of<Uuid::FORMAT_*> $format
     *
     * @return string|false The RFC9562 string or false if the format doesn't match the input
     */
    private static function transformToRfc9562(string $uuid, int $format): string|false
    {
        $inputUuid = $uuid;
        $fromBase58 = false;
        if (22 === \strlen($uuid) && 22 === strspn($uuid, BinaryUtil::BASE58['']) && $format & self::FORMAT_BASE_58) {
            $uuid = str_pad(BinaryUtil::fromBase($uuid, BinaryUtil::BASE58), 16, "\0", \STR_PAD_LEFT);
            $fromBase58 = true;
        }

// base-58 are always transformed to binary string, but they must only be valid when the format is FORMAT_BASE_58
        if (16 === \strlen($uuid) && $format & self::FORMAT_BINARY || $fromBase58 && $format & self::FORMAT_BASE_58) {
            // don't use uuid_unparse(), it's slower
            $uuid = bin2hex($uuid);
            $uuid = substr_replace($uuid, '-', 8, 0);
            $uuid = substr_replace($uuid, '-', 13, 0);
            $uuid = substr_replace($uuid, '-', 18, 0);
            $uuid = substr_replace($uuid, '-', 23, 0);
        } elseif (26 === \strlen($uuid) && Ulid::isValid($uuid) && $format & self::FORMAT_BASE_32) {
            $ulid = new NilUlid();
            $ulid->uid = strtoupper($uuid);
            $uuid = $ulid->toRfc4122();
        }

if ($inputUuid === $uuid && !($format & self::FORMAT_RFC_9562)) {
            // input format doesn't match the input string
            return false;
        }

return $uuid;
    }
}