Files
librenms-librenms/LibreNMS/Util/Dns.php
2021-11-16 21:40:29 -06:00

69 lines
1.9 KiB
PHP

<?php
/**
* Dns.php
*
* Get version info about LibreNMS and various components/dependencies
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* @link http://librenms.org
*
* @copyright 2021 Thomas Berberich
* @author Thomas Berberch <sourcehhdoctor@gmail.com>
*/
namespace LibreNMS\Util;
use LibreNMS\Interfaces\Geocoder;
class Dns implements Geocoder
{
protected $resolver;
public function __construct()
{
$this->resolver = new \Net_DNS2_Resolver();
}
/**
* @param string $domain Domain which has to be parsed
* @param string $record DNS Record which should be searched
* @return array List of matching records
*/
public function getRecord($domain, $record = 'A')
{
try {
$ret = $this->resolver->query($domain, $record);
return $ret->answer;
} catch (\Net_DNS2_Exception $e) {
d_echo('::query() failed: ' . $e->getMessage());
return [];
}
}
public function getCoordinates($hostname)
{
foreach ($this->getRecord($hostname, 'LOC') as $record) {
return [
'lat' => $record->latitude ?? null,
'lng' => $record->longitude ?? null,
];
}
return [];
}
}