mirror of
https://github.com/librenms/librenms.git
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165 lines
4.4 KiB
PHP
165 lines
4.4 KiB
PHP
<?php
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/**
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* GraylogApi.php
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*
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* -Description-
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @package LibreNMS
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* @link http://librenms.org
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* @copyright 2018 Tony Murray
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* @author Tony Murray <murraytony@gmail.com>
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*/
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namespace App\ApiClients;
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use App\Models\Device;
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use GuzzleHttp\Client;
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use LibreNMS\Config;
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class GraylogApi
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{
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private $client;
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private $api_prefix = '';
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public function __construct(array $config = [])
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{
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if (version_compare(Config::get('graylog.version', '2.4'), '2.1', '>=')) {
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$this->api_prefix = '/api';
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}
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if (empty($config)) {
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$base_uri = Config::get('graylog.server');
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if ($port = Config::get('graylog.port')) {
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$base_uri .= ':' . $port;
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}
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$config = [
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'base_uri' => $base_uri,
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'auth' => [Config::get('graylog.username'), Config::get('graylog.password')],
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'headers' => ['Accept' => 'application/json'],
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];
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}
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$this->client = new Client($config);
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}
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public function getStreams()
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{
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if (!$this->isConfigured()) {
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return [];
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}
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$uri = $this->api_prefix . '/streams';
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$response = $this->client->get($uri);
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$data = json_decode($response->getBody(), true);
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return $data ?: [];
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}
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/**
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* Query the Graylog server
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*
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* @param string $query
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* @param int $range
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* @param int $limit
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* @param int $offset
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* @param string $sort field:asc or field:desc
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* @param string $filter
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* @return array
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*/
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public function query($query = '*', $range = 0, $limit = 0, $offset = 0, $sort = null, $filter = null)
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{
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if (!$this->isConfigured()) {
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return [];
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}
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$uri = Config::get('graylog.base_uri');
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if (!$uri) {
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$uri = $this->api_prefix . '/search/universal/relative';
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}
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$data = [
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'query' => $query,
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'range' => $range,
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'limit' => $limit,
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'offset' => $offset,
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'sort' => $sort,
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'filter' => $filter,
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];
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$response = $this->client->get($uri, ['query' => $data]);
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$data = json_decode($response->getBody(), true);
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return $data ?: [];
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}
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/**
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* Build a simple query string that searches the messages field and/or filters by device
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*
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* @param string $search Search the message field for this string
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* @param Device $device
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* @return string
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*/
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public function buildSimpleQuery($search = null, $device = null)
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{
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$query = [];
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if ($search) {
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$query[] = 'message:"' . $search . '"';
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}
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if ($device) {
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$query[] = 'source: ("' . $this->getAddresses($device)->implode('" OR "') . '")';
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}
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if (empty($query)) {
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return '*';
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}
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return implode(' && ', $query);
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}
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public function getAddresses(Device $device)
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{
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$addresses = collect([
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gethostbyname($device->hostname),
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$device->hostname,
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$device->ip,
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]);
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if (Config::get('graylog.match-any-address')) {
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$addresses = $addresses->merge($device->ipv4->pluck('ipv4_address')
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->filter(
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function ($address) {
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return $address != "127.0.0.1";
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}
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))->merge($device->ipv6->pluck('ipv6_address')
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->filter(
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function ($address) {
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return $address != "0000:0000:0000:0000:0000:0000:0000:0001";
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}
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));
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}
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return $addresses->filter()->unique();
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}
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public function isConfigured()
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{
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return isset($this->client->getConfig()['base_uri']);
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}
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}
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