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-rw-r--r--vendor/ramsey/uuid/src/Provider/Node/SystemNodeProvider.php125
1 files changed, 125 insertions, 0 deletions
diff --git a/vendor/ramsey/uuid/src/Provider/Node/SystemNodeProvider.php b/vendor/ramsey/uuid/src/Provider/Node/SystemNodeProvider.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;
+
+/**
+ * SystemNodeProvider provides functionality to get the system node ID (MAC
+ * address) using external system calls
+ */
+class SystemNodeProvider implements NodeProviderInterface
+{
+ /**
+ * Returns the system node ID
+ *
+ * @return string|false System node ID as a hexadecimal string, or false if it is not found
+ */
+ public function getNode()
+ {
+ static $node = null;
+
+ if ($node !== null) {
+ return $node;
+ }
+
+ $pattern = '/[^:]([0-9A-Fa-f]{2}([:-])[0-9A-Fa-f]{2}(\2[0-9A-Fa-f]{2}){4})[^:]/';
+ $matches = array();
+
+ // first try a linux specific way
+ $node = $this->getSysfs();
+
+ // Search the ifconfig output for all MAC addresses and return
+ // the first one found
+ if ($node === false) {
+ if (preg_match_all($pattern, $this->getIfconfig(), $matches, PREG_PATTERN_ORDER)) {
+ $node = $matches[1][0];
+ }
+ }
+ if ($node !== false) {
+ $node = str_replace([':', '-'], '', $node);
+ }
+ return $node;
+ }
+
+ /**
+ * Returns the network interface configuration for the system
+ *
+ * @codeCoverageIgnore
+ * @return string
+ */
+ protected function getIfconfig()
+ {
+ if (strpos(strtolower(ini_get('disable_functions')), 'passthru') !== false) {
+ return '';
+ }
+
+ ob_start();
+ switch (strtoupper(substr(php_uname('a'), 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;
+ }
+
+ return ob_get_clean();
+ }
+
+ /**
+ * Returns mac address from the first system interface via the sysfs interface
+ *
+ * @return string|bool
+ */
+ protected function getSysfs()
+ {
+ $mac = false;
+
+ if (strtoupper(php_uname('s')) === 'LINUX') {
+ $addressPaths = glob('/sys/class/net/*/address', GLOB_NOSORT);
+
+ if (empty($addressPaths)) {
+ return false;
+ }
+
+ array_walk($addressPaths, function ($addressPath) use (&$macs) {
+ $macs[] = file_get_contents($addressPath);
+ });
+
+ $macs = array_map('trim', $macs);
+
+ // remove invalid entries
+ $macs = array_filter($macs, function ($mac) {
+ return
+ // localhost adapter
+ $mac !== '00:00:00:00:00:00' &&
+ // must match mac adress
+ preg_match('/^([0-9a-f]{2}:){5}[0-9a-f]{2}$/i', $mac);
+ });
+
+ $mac = reset($macs);
+ }
+
+ return $mac;
+ }
+}