FM / Node

/home/techb158/ileadtechnology.com/SSM/vendor/ramsey/uuid/src/Provider/Node/

/home/techb158/ileadtechnology.com/SSM/vendor/ramsey/uuid/src/Provider/Node

Name	Size	Mode	Actions
FallbackNodeProvider.php	1553	0644	edit dl rm
NodeProviderCollection.php	1477	0644	edit dl rm
RandomNodeProvider.php	1801	0644	edit dl rm
StaticNodeProvider.php	1908	0644	edit dl rm
SystemNodeProvider.php	4452	0644	edit dl rm

Edit: /home/techb158/ileadtechnology.com/SSM/vendor/ramsey/uuid/src/Provider/Node/SystemNodeProvider.php (4452B)

<?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 (string) $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;
    }
}

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