1 files changed, 138 insertions, 0 deletions
diff --git a/vendor/ramsey/uuid/src/Generator/DefaultTimeGenerator.php b/vendor/ramsey/uuid/src/Generator/DefaultTimeGenerator.php
new file mode 100644
index 000000000..c9969b3af
--- /dev/null
+++ b/vendor/ramsey/uuid/src/Generator/DefaultTimeGenerator.php
@@ -0,0 +1,138 @@
+<?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
+ * @link https://benramsey.com/projects/ramsey-uuid/ Documentation
+ * @link https://packagist.org/packages/ramsey/uuid Packagist
+ * @link https://github.com/ramsey/uuid GitHub
+ */
+
+namespace Ramsey\Uuid\Generator;
+
+use Ramsey\Uuid\BinaryUtils;
+use Ramsey\Uuid\Converter\TimeConverterInterface;
+use Ramsey\Uuid\Provider\NodeProviderInterface;
+use Ramsey\Uuid\Provider\TimeProviderInterface;
+
+/**
+ * DefaultTimeGenerator provides functionality to generate strings of binary
+ * data for version 1 UUIDs based on a host ID, sequence number, and the current
+ * time
+ */
+class DefaultTimeGenerator implements TimeGeneratorInterface
+{
+    /**
+     * @var NodeProviderInterface
+     */
+    private $nodeProvider;
+
+    /**
+     * @var TimeConverterInterface
+     */
+    private $timeConverter;
+
+    /**
+     * @var TimeProviderInterface
+     */
+    private $timeProvider;
+
+    /**
+     * Constructs a `DefaultTimeGenerator` using a node provider, time converter,
+     * and time provider
+     *
+     * @param NodeProviderInterface $nodeProvider
+     * @param TimeConverterInterface $timeConverter
+     * @param TimeProviderInterface $timeProvider
+     */
+    public function __construct(
+        NodeProviderInterface $nodeProvider,
+        TimeConverterInterface $timeConverter,
+        TimeProviderInterface $timeProvider
+    ) {
+        $this->nodeProvider = $nodeProvider;
+        $this->timeConverter = $timeConverter;
+        $this->timeProvider = $timeProvider;
+    }
+
+    /**
+     * Generate a version 1 UUID from a host ID, sequence number, and the current time
+     *
+     * If $node is not given, we will attempt to obtain the local hardware
+     * address. If $clockSeq is given, it is used as the sequence number;
+     * otherwise a random 14-bit sequence number is chosen.
+     *
+     * @param int|string $node A 48-bit number representing the hardware address
+     *     This number may be represented as an integer or a hexadecimal string.
+     * @param int $clockSeq A 14-bit number used to help avoid duplicates that
+     *     could arise when the clock is set backwards in time or if the node ID
+     *     changes.
+     * @return string A binary string
+     * @throws \Ramsey\Uuid\Exception\UnsatisfiedDependencyException if called on a 32-bit system and
+     *     `Moontoast\Math\BigNumber` is not present
+     * @throws \InvalidArgumentException
+     * @throws \Exception if it was not possible to gather sufficient entropy
+     */
+    public function generate($node = null, $clockSeq = null)
+    {
+        $node = $this->getValidNode($node);
+
+        if ($clockSeq === null) {
+            // Not using "stable storage"; see RFC 4122, Section 4.2.1.1
+            $clockSeq = random_int(0, 0x3fff);
+        }
+
+        // Create a 60-bit time value as a count of 100-nanosecond intervals
+        // since 00:00:00.00, 15 October 1582
+        $timeOfDay = $this->timeProvider->currentTime();
+        $uuidTime = $this->timeConverter->calculateTime($timeOfDay['sec'], $timeOfDay['usec']);
+
+        $timeHi = BinaryUtils::applyVersion($uuidTime['hi'], 1);
+        $clockSeqHi = BinaryUtils::applyVariant($clockSeq >> 8);
+
+        $hex = vsprintf(
+            '%08s%04s%04s%02s%02s%012s',
+            array(
+                $uuidTime['low'],
+                $uuidTime['mid'],
+                sprintf('%04x', $timeHi),
+                sprintf('%02x', $clockSeqHi),
+                sprintf('%02x', $clockSeq & 0xff),
+                $node,
+            )
+        );
+
+        return hex2bin($hex);
+    }
+
+    /**
+     * Uses the node provider given when constructing this instance to get
+     * the node ID (usually a MAC address)
+     *
+     * @param string|int $node A node value that may be used to override the node provider
+     * @return string Hexadecimal representation of the node ID
+     * @throws \InvalidArgumentException
+     * @throws \Exception
+     */
+    protected function getValidNode($node)
+    {
+        if ($node === null) {
+            $node = $this->nodeProvider->getNode();
+        }
+
+        // Convert the node to hex, if it is still an integer
+        if (is_int($node)) {
+            $node = sprintf('%012x', $node);
+        }
+
+        if (!ctype_xdigit($node) || strlen($node) > 12) {
+            throw new \InvalidArgumentException('Invalid node value');
+        }
+
+        return strtolower(sprintf('%012s', $node));
+    }
+}