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-rw-r--r--vendor/ramsey/uuid/src/Provider/Node/RandomNodeProvider.php42
1 files changed, 42 insertions, 0 deletions
diff --git a/vendor/ramsey/uuid/src/Provider/Node/RandomNodeProvider.php b/vendor/ramsey/uuid/src/Provider/Node/RandomNodeProvider.php
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+++ b/vendor/ramsey/uuid/src/Provider/Node/RandomNodeProvider.php
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+<?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\Provider\Node;
+
+use Ramsey\Uuid\Provider\NodeProviderInterface;
+
+/**
+ * RandomNodeProvider provides functionality to generate a random node ID, in
+ * the event that the node ID could not be obtained from the host system
+ *
+ * @link http://tools.ietf.org/html/rfc4122#section-4.5
+ */
+class RandomNodeProvider implements NodeProviderInterface
+{
+ /**
+ * Returns the system node ID
+ *
+ * @return string System node ID as a hexadecimal string
+ * @throws \Exception if it was not possible to gather sufficient entropy
+ */
+ public function getNode()
+ {
+ $node = hexdec(bin2hex(random_bytes(6)));
+
+ // Set the multicast bit; see RFC 4122, section 4.5.
+ $node = $node | 0x010000000000;
+
+ return str_pad(dechex($node), 12, '0', STR_PAD_LEFT);
+ }
+}