1 files changed, 173 insertions, 0 deletions
diff --git a/vendor/ramsey/uuid/src/Provider/Node/SystemNodeProvider.php b/vendor/ramsey/uuid/src/Provider/Node/SystemNodeProvider.php
new file mode 100644
index 0000000..d512f22
--- /dev/null
+++ b/vendor/ramsey/uuid/src/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;
+    }
+}