initial commit; version 22.5.12042

libs/Ramsey/Uuid4/Provider/Dce/SystemDceSecurityProvider.php

@@ -0,0 +1,234 @@
+<?php
+
+/**
+ * This file is part of the ramsey/uuid library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+declare(strict_types=1);
+
+namespace Ramsey\Uuid\Provider\Dce;
+
+use Ramsey\Uuid\Exception\DceSecurityException;
+use Ramsey\Uuid\Provider\DceSecurityProviderInterface;
+use Ramsey\Uuid\Type\Integer as IntegerObject;
+
+use function escapeshellarg;
+use function preg_split;
+use function str_getcsv;
+use function strpos;
+use function strrpos;
+use function strtolower;
+use function strtoupper;
+use function substr;
+use function trim;
+
+use const PREG_SPLIT_NO_EMPTY;
+
+/**
+ * SystemDceSecurityProvider retrieves the user or group identifiers from the system
+ */
+class SystemDceSecurityProvider implements DceSecurityProviderInterface
+{
+    /**
+     * @throws DceSecurityException if unable to get a user identifier
+     *
+     * @inheritDoc
+     */
+    public function getUid(): IntegerObject
+    {
+        static $uid = null;
+
+        if ($uid instanceof IntegerObject) {
+            return $uid;
+        }
+
+        if ($uid === null) {
+            $uid = $this->getSystemUid();
+        }
+
+        if ($uid === '') {
+            throw new DceSecurityException(
+                'Unable to get a user identifier using the system DCE '
+                . 'Security provider; please provide a custom identifier or '
+                . 'use a different provider'
+            );
+        }
+
+        $uid = new IntegerObject($uid);
+
+        return $uid;
+    }
+
+    /**
+     * @throws DceSecurityException if unable to get a group identifier
+     *
+     * @inheritDoc
+     */
+    public function getGid(): IntegerObject
+    {
+        static $gid = null;
+
+        if ($gid instanceof IntegerObject) {
+            return $gid;
+        }
+
+        if ($gid === null) {
+            $gid = $this->getSystemGid();
+        }
+
+        if ($gid === '') {
+            throw new DceSecurityException(
+                'Unable to get a group identifier using the system DCE '
+                . 'Security provider; please provide a custom identifier or '
+                . 'use a different provider'
+            );
+        }
+
+        $gid = new IntegerObject($gid);
+
+        return $gid;
+    }
+
+    /**
+     * Returns the UID from the system
+     */
+    private function getSystemUid(): string
+    {
+        if (!$this->hasShellExec()) {
+            return '';
+        }
+
+        switch ($this->getOs()) {
+            case 'WIN':
+                return $this->getWindowsUid();
+            case 'DAR':
+            case 'FRE':
+            case 'LIN':
+            default:
+                return trim((string) shell_exec('id -u'));
+        }
+    }
+
+    /**
+     * Returns the GID from the system
+     */
+    private function getSystemGid(): string
+    {
+        if (!$this->hasShellExec()) {
+            return '';
+        }
+
+        switch ($this->getOs()) {
+            case 'WIN':
+                return $this->getWindowsGid();
+            case 'DAR':
+            case 'FRE':
+            case 'LIN':
+            default:
+                return trim((string) shell_exec('id -g'));
+        }
+    }
+
+    /**
+     * Returns true if shell_exec() is available for use
+     */
+    private function hasShellExec(): bool
+    {
+        $disabledFunctions = strtolower((string) ini_get('disable_functions'));
+
+        return strpos($disabledFunctions, 'shell_exec') === false;
+    }
+
+    /**
+     * Returns the PHP_OS string
+     */
+    private function getOs(): string
+    {
+        return strtoupper(substr(constant('PHP_OS'), 0, 3));
+    }
+
+    /**
+     * Returns the user identifier for a user on a Windows system
+     *
+     * Windows does not have the same concept as an effective POSIX UID for the
+     * running script. Instead, each user is uniquely identified by an SID
+     * (security identifier). The SID includes three 32-bit unsigned integers
+     * that make up a unique domain identifier, followed by an RID (relative
+     * identifier) that we will use as the UID. The primary caveat is that this
+     * UID may not be unique to the system, since it is, instead, unique to the
+     * domain.
+     *
+     * @link https://www.lifewire.com/what-is-an-sid-number-2626005 What Is an SID Number?
+     * @link https://bit.ly/30vE7NM Well-known SID Structures
+     * @link https://bit.ly/2FWcYKJ Well-known security identifiers in Windows operating systems
+     * @link https://www.windows-commandline.com/get-sid-of-user/ Get SID of user
+     */
+    private function getWindowsUid(): string
+    {
+        $response = shell_exec('whoami /user /fo csv /nh');
+
+        if ($response === null) {
+            return '';
+        }
+
+        $sid = str_getcsv(trim((string) $response))[1] ?? '';
+
+        if (($lastHyphen = strrpos($sid, '-')) === false) {
+            return '';
+        }
+
+        return trim(substr($sid, $lastHyphen + 1));
+    }
+
+    /**
+     * Returns a group identifier for a user on a Windows system
+     *
+     * Since Windows does not have the same concept as an effective POSIX GID
+     * for the running script, we will get the local group memberships for the
+     * user running the script. Then, we will get the SID (security identifier)
+     * for the first group that appears in that list. Finally, we will return
+     * the RID (relative identifier) for the group and use that as the GID.
+     *
+     * @link https://www.windows-commandline.com/list-of-user-groups-command-line/ List of user groups command line
+     */
+    private function getWindowsGid(): string
+    {
+        $response = shell_exec('net user %username% | findstr /b /i "Local Group Memberships"');
+
+        if ($response === null) {
+            return '';
+        }
+
+        /** @var string[] $userGroups */
+        $userGroups = preg_split('/\s{2,}/', (string) $response, -1, PREG_SPLIT_NO_EMPTY);
+
+        $firstGroup = trim($userGroups[1] ?? '', "* \t\n\r\0\x0B");
+
+        if ($firstGroup === '') {
+            return '';
+        }
+
+        $response = shell_exec('wmic group get name,sid | findstr /b /i ' . escapeshellarg($firstGroup));
+
+        if ($response === null) {
+            return '';
+        }
+
+        /** @var string[] $userGroup */
+        $userGroup = preg_split('/\s{2,}/', (string) $response, -1, PREG_SPLIT_NO_EMPTY);
+
+        $sid = $userGroup[1] ?? '';
+
+        if (($lastHyphen = strrpos($sid, '-')) === false) {
+            return '';
+        }
+
+        return trim((string) substr($sid, $lastHyphen + 1));
+    }
+}

libs/Ramsey/Uuid4/Provider/DceSecurityProviderInterface.php

@@ -0,0 +1,41 @@
+<?php
+
+/**
+ * This file is part of the ramsey/uuid library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+declare(strict_types=1);
+
+namespace Ramsey\Uuid\Provider;
+
+use Ramsey\Uuid\Rfc4122\UuidV2;
+use Ramsey\Uuid\Type\Integer as IntegerObject;
+
+/**
+ * A DCE provider provides access to local domain identifiers for version 2,
+ * DCE Security, UUIDs
+ *
+ * @see UuidV2
+ */
+interface DceSecurityProviderInterface
+{
+    /**
+     * Returns a user identifier for the system
+     *
+     * @link https://en.wikipedia.org/wiki/User_identifier User identifier
+     */
+    public function getUid(): IntegerObject;
+
+    /**
+     * Returns a group identifier for the system
+     *
+     * @link https://en.wikipedia.org/wiki/Group_identifier Group identifier
+     */
+    public function getGid(): IntegerObject;
+}

libs/Ramsey/Uuid4/Provider/Node/FallbackNodeProvider.php

@@ -0,0 +1,60 @@
+<?php
+
+/**
+ * This file is part of the ramsey/uuid library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+declare(strict_types=1);
+
+namespace Ramsey\Uuid\Provider\Node;
+
+use Ramsey\Uuid\Exception\NodeException;
+use Ramsey\Uuid\Provider\NodeProviderInterface;
+use Ramsey\Uuid\Type\Hexadecimal;
+
+/**
+ * FallbackNodeProvider retrieves the system node ID by stepping through a list
+ * of providers until a node ID can be obtained
+ */
+class FallbackNodeProvider implements NodeProviderInterface
+{
+    /**
+     * @var NodeProviderCollection
+     */
+    private $nodeProviders;
+
+    /**
+     * @param NodeProviderCollection $providers Array of node providers
+     */
+    public function __construct(NodeProviderCollection $providers)
+    {
+        $this->nodeProviders = $providers;
+    }
+
+    public function getNode(): Hexadecimal
+    {
+        $lastProviderException = null;
+
+        foreach ($this->nodeProviders as $provider) {
+            try {
+                return $provider->getNode();
+            } catch (NodeException $exception) {
+                $lastProviderException = $exception;
+
+                continue;
+            }
+        }
+
+        throw new NodeException(
+            'Unable to find a suitable node provider',
+            0,
+            $lastProviderException
+        );
+    }
+}

libs/Ramsey/Uuid4/Provider/Node/NodeProviderCollection.php

@@ -0,0 +1,61 @@
+<?php
+
+/**
+ * This file is part of the ramsey/uuid library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+declare(strict_types=1);
+
+namespace Ramsey\Uuid\Provider\Node;
+
+use Ramsey\Collection\AbstractCollection;
+use Ramsey\Uuid\Provider\NodeProviderInterface;
+use Ramsey\Uuid\Type\Hexadecimal;
+
+/**
+ * A collection of NodeProviderInterface objects
+ *
+ * @extends AbstractCollection<NodeProviderInterface>
+ */
+class NodeProviderCollection extends AbstractCollection
+{
+    public function getType(): string
+    {
+        return NodeProviderInterface::class;
+    }
+
+    /**
+     * Re-constructs the object from its serialized form
+     *
+     * @param string $serialized The serialized PHP string to unserialize into
+     *     a UuidInterface instance
+     *
+     * @phpcsSuppress SlevomatCodingStandard.TypeHints.ParameterTypeHint.MissingNativeTypeHint
+     * @psalm-suppress RedundantConditionGivenDocblockType
+     */
+    public function unserialize($serialized): void
+    {
+        /** @var array<array-key, NodeProviderInterface> $data */
+        $data = unserialize($serialized, [
+            'allowed_classes' => [
+                Hexadecimal::class,
+                RandomNodeProvider::class,
+                StaticNodeProvider::class,
+                SystemNodeProvider::class,
+            ],
+        ]);
+
+        $this->data = array_filter(
+            $data,
+            function ($unserialized): bool {
+                return $unserialized instanceof NodeProviderInterface;
+            }
+        );
+    }
+}

libs/Ramsey/Uuid4/Provider/Node/RandomNodeProvider.php

@@ -0,0 +1,69 @@
+<?php
+
+/**
+ * This file is part of the ramsey/uuid library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+declare(strict_types=1);
+
+namespace Ramsey\Uuid\Provider\Node;
+
+use Ramsey\Uuid\Exception\RandomSourceException;
+use Ramsey\Uuid\Provider\NodeProviderInterface;
+use Ramsey\Uuid\Type\Hexadecimal;
+use Throwable;
+
+use function bin2hex;
+use function dechex;
+use function hex2bin;
+use function hexdec;
+use function str_pad;
+use function substr;
+
+use const STR_PAD_LEFT;
+
+/**
+ * RandomNodeProvider generates a random node ID
+ *
+ * @link http://tools.ietf.org/html/rfc4122#section-4.5 RFC 4122, § 4.5: Node IDs that Do Not Identify the Host
+ */
+class RandomNodeProvider implements NodeProviderInterface
+{
+    public function getNode(): Hexadecimal
+    {
+        try {
+            $nodeBytes = random_bytes(6);
+        } catch (Throwable $exception) {
+            throw new RandomSourceException(
+                $exception->getMessage(),
+                (int) $exception->getCode(),
+                $exception
+            );
+        }
+
+        // Split the node bytes for math on 32-bit systems.
+        $nodeMsb = substr($nodeBytes, 0, 3);
+        $nodeLsb = substr($nodeBytes, 3);
+
+        // Set the multicast bit; see RFC 4122, section 4.5.
+        $nodeMsb = hex2bin(
+            str_pad(
+                dechex(hexdec(bin2hex($nodeMsb)) | 0x010000),
+                6,
+                '0',
+                STR_PAD_LEFT
+            )
+        );
+
+        // Recombine the node bytes.
+        $node = $nodeMsb . $nodeLsb;
+
+        return new Hexadecimal(str_pad(bin2hex($node), 12, '0', STR_PAD_LEFT));
+    }
+}

libs/Ramsey/Uuid4/Provider/Node/StaticNodeProvider.php

@@ -0,0 +1,76 @@
+<?php
+
+/**
+ * This file is part of the ramsey/uuid library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+declare(strict_types=1);
+
+namespace Ramsey\Uuid\Provider\Node;
+
+use Ramsey\Uuid\Exception\InvalidArgumentException;
+use Ramsey\Uuid\Provider\NodeProviderInterface;
+use Ramsey\Uuid\Type\Hexadecimal;
+
+use function dechex;
+use function hexdec;
+use function str_pad;
+use function substr;
+
+use const STR_PAD_LEFT;
+
+/**
+ * StaticNodeProvider provides a static node value with the multicast bit set
+ *
+ * @link http://tools.ietf.org/html/rfc4122#section-4.5 RFC 4122, § 4.5: Node IDs that Do Not Identify the Host
+ */
+class StaticNodeProvider implements NodeProviderInterface
+{
+    /**
+     * @var Hexadecimal
+     */
+    private $node;
+
+    /**
+     * @param Hexadecimal $node The static node value to use
+     */
+    public function __construct(Hexadecimal $node)
+    {
+        if (strlen($node->toString()) > 12) {
+            throw new InvalidArgumentException(
+                'Static node value cannot be greater than 12 hexadecimal characters'
+            );
+        }
+
+        $this->node = $this->setMulticastBit($node);
+    }
+
+    public function getNode(): Hexadecimal
+    {
+        return $this->node;
+    }
+
+    /**
+     * Set the multicast bit for the static node value
+     */
+    private function setMulticastBit(Hexadecimal $node): Hexadecimal
+    {
+        $nodeHex = str_pad($node->toString(), 12, '0', STR_PAD_LEFT);
+        $firstOctet = substr($nodeHex, 0, 2);
+
+        $firstOctet = str_pad(
+            dechex(hexdec($firstOctet) | 0x01),
+            2,
+            '0',
+            STR_PAD_LEFT
+        );
+
+        return new Hexadecimal($firstOctet . substr($nodeHex, 2));
+    }
+}

libs/Ramsey/Uuid4/Provider/Node/SystemNodeProvider.php

@@ -0,0 +1,173 @@
+<?php
+
+/**
+ * This file is part of the ramsey/uuid library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+declare(strict_types=1);
+
+namespace Ramsey\Uuid\Provider\Node;
+
+use Ramsey\Uuid\Exception\NodeException;
+use Ramsey\Uuid\Provider\NodeProviderInterface;
+use Ramsey\Uuid\Type\Hexadecimal;
+
+use function array_filter;
+use function array_map;
+use function array_walk;
+use function count;
+use function ob_get_clean;
+use function ob_start;
+use function preg_match;
+use function preg_match_all;
+use function reset;
+use function str_replace;
+use function strpos;
+use function strtolower;
+use function strtoupper;
+use function substr;
+
+use const GLOB_NOSORT;
+use const PREG_PATTERN_ORDER;
+
+/**
+ * SystemNodeProvider retrieves the system node ID, if possible
+ *
+ * The system node ID, or host ID, is often the same as the MAC address for a
+ * network interface on the host.
+ */
+class SystemNodeProvider implements NodeProviderInterface
+{
+    /**
+     * Pattern to match nodes in ifconfig and ipconfig output.
+     */
+    private const IFCONFIG_PATTERN = '/[^:]([0-9a-f]{2}([:-])[0-9a-f]{2}(\2[0-9a-f]{2}){4})[^:]/i';
+
+    /**
+     * Pattern to match nodes in sysfs stream output.
+     */
+    private const SYSFS_PATTERN = '/^([0-9a-f]{2}:){5}[0-9a-f]{2}$/i';
+
+    public function getNode(): Hexadecimal
+    {
+        $node = $this->getNodeFromSystem();
+
+        if ($node === '') {
+            throw new NodeException(
+                'Unable to fetch a node for this system'
+            );
+        }
+
+        return new Hexadecimal($node);
+    }
+
+    /**
+     * Returns the system node, if it can find it
+     */
+    protected function getNodeFromSystem(): string
+    {
+        static $node = null;
+
+        if ($node !== null) {
+            return (string) $node;
+        }
+
+        // First, try a Linux-specific approach.
+        $node = $this->getSysfs();
+
+        if ($node === '') {
+            // Search ifconfig output for MAC addresses & return the first one.
+            $node = $this->getIfconfig();
+        }
+
+        $node = str_replace([':', '-'], '', $node);
+
+        return $node;
+    }
+
+    /**
+     * Returns the network interface configuration for the system
+     *
+     * @codeCoverageIgnore
+     */
+    protected function getIfconfig(): string
+    {
+        $disabledFunctions = strtolower((string) ini_get('disable_functions'));
+
+        if (strpos($disabledFunctions, 'passthru') !== false) {
+            return '';
+        }
+
+        ob_start();
+        switch (strtoupper(substr(constant('PHP_OS'), 0, 3))) {
+            case 'WIN':
+                passthru('ipconfig /all 2>&1');
+
+                break;
+            case 'DAR':
+                passthru('ifconfig 2>&1');
+
+                break;
+            case 'FRE':
+                passthru('netstat -i -f link 2>&1');
+
+                break;
+            case 'LIN':
+            default:
+                passthru('netstat -ie 2>&1');
+
+                break;
+        }
+
+        $ifconfig = (string) ob_get_clean();
+
+        $node = '';
+        if (preg_match_all(self::IFCONFIG_PATTERN, $ifconfig, $matches, PREG_PATTERN_ORDER)) {
+            $node = $matches[1][0] ?? '';
+        }
+
+        return $node;
+    }
+
+    /**
+     * Returns MAC address from the first system interface via the sysfs interface
+     */
+    protected function getSysfs(): string
+    {
+        $mac = '';
+
+        if (strtoupper(constant('PHP_OS')) === 'LINUX') {
+            $addressPaths = glob('/sys/class/net/*/address', GLOB_NOSORT);
+
+            if ($addressPaths === false || count($addressPaths) === 0) {
+                return '';
+            }
+
+            $macs = [];
+
+            array_walk($addressPaths, function (string $addressPath) use (&$macs): void {
+                if (is_readable($addressPath)) {
+                    $macs[] = file_get_contents($addressPath);
+                }
+            });
+
+            $macs = array_map('trim', $macs);
+
+            // Remove invalid entries.
+            $macs = array_filter($macs, function (string $address) {
+                return $address !== '00:00:00:00:00:00'
+                    && preg_match(self::SYSFS_PATTERN, $address);
+            });
+
+            $mac = reset($macs);
+        }
+
+        return (string) $mac;
+    }
+}

libs/Ramsey/Uuid4/Provider/NodeProviderInterface.php

@@ -0,0 +1,30 @@
+<?php
+
+/**
+ * This file is part of the ramsey/uuid library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+declare(strict_types=1);
+
+namespace Ramsey\Uuid\Provider;
+
+use Ramsey\Uuid\Type\Hexadecimal;
+
+/**
+ * A node provider retrieves or generates a node ID
+ */
+interface NodeProviderInterface
+{
+    /**
+     * Returns a node ID
+     *
+     * @return Hexadecimal The node ID as a hexadecimal string
+     */
+    public function getNode(): Hexadecimal;
+}

libs/Ramsey/Uuid4/Provider/Time/FixedTimeProvider.php

@@ -0,0 +1,63 @@
+<?php
+
+/**
+ * This file is part of the ramsey/uuid library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+declare(strict_types=1);
+
+namespace Ramsey\Uuid\Provider\Time;
+
+use Ramsey\Uuid\Provider\TimeProviderInterface;
+use Ramsey\Uuid\Type\Integer as IntegerObject;
+use Ramsey\Uuid\Type\Time;
+
+/**
+ * FixedTimeProvider uses an known time to provide the time
+ *
+ * This provider allows the use of a previously-generated, or known, time
+ * when generating time-based UUIDs.
+ */
+class FixedTimeProvider implements TimeProviderInterface
+{
+    /**
+     * @var Time
+     */
+    private $fixedTime;
+
+    public function __construct(Time $time)
+    {
+        $this->fixedTime = $time;
+    }
+
+    /**
+     * Sets the `usec` component of the time
+     *
+     * @param int|string|IntegerObject $value The `usec` value to set
+     */
+    public function setUsec($value): void
+    {
+        $this->fixedTime = new Time($this->fixedTime->getSeconds(), $value);
+    }
+
+    /**
+     * Sets the `sec` component of the time
+     *
+     * @param int|string|IntegerObject $value The `sec` value to set
+     */
+    public function setSec($value): void
+    {
+        $this->fixedTime = new Time($value, $this->fixedTime->getMicroseconds());
+    }
+
+    public function getTime(): Time
+    {
+        return $this->fixedTime;
+    }
+}

libs/Ramsey/Uuid4/Provider/Time/SystemTimeProvider.php

@@ -0,0 +1,33 @@
+<?php
+
+/**
+ * This file is part of the ramsey/uuid library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+declare(strict_types=1);
+
+namespace Ramsey\Uuid\Provider\Time;
+
+use Ramsey\Uuid\Provider\TimeProviderInterface;
+use Ramsey\Uuid\Type\Time;
+
+use function gettimeofday;
+
+/**
+ * SystemTimeProvider retrieves the current time using built-in PHP functions
+ */
+class SystemTimeProvider implements TimeProviderInterface
+{
+    public function getTime(): Time
+    {
+        $time = gettimeofday();
+
+        return new Time($time['sec'], $time['usec']);
+    }
+}

libs/Ramsey/Uuid4/Provider/TimeProviderInterface.php

@@ -0,0 +1,28 @@
+<?php
+
+/**
+ * This file is part of the ramsey/uuid library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey <ben@benramsey.com>
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+declare(strict_types=1);
+
+namespace Ramsey\Uuid\Provider;
+
+use Ramsey\Uuid\Type\Time;
+
+/**
+ * A time provider retrieves the current time
+ */
+interface TimeProviderInterface
+{
+    /**
+     * Returns a time object
+     */
+    public function getTime(): Time;
+}