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38773598e0
* Fix widget filtering syslog stores priority as a string filter strings, not numbers * Add enums for SyslogSeverity and CheckStatus
112 lines
3.8 KiB
PHP
112 lines
3.8 KiB
PHP
<?php
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/*
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* LibreNMS
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*
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* Copyright (c) 2014 Neil Lathwood <https://github.com/laf/ http://www.lathwood.co.uk/fa>
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version. Please see LICENSE.txt at the top level of
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* the source code distribution for details.
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*
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* @package LibreNMS
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* @subpackage webui
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* @link https://www.librenms.org
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* @copyright 2018 LibreNMS
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* @author LibreNMS Contributors
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*/
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use LibreNMS\Config;
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use LibreNMS\Enum\CheckStatus;
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use LibreNMS\Enum\SyslogSeverity;
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$filter_hostname = $vars['hostname'];
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$filter_range = $vars['range'];
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if (isset($searchPhrase) && ! empty($searchPhrase)) {
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$query = 'message:"' . $searchPhrase . '"';
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} else {
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$query = '*';
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}
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if (isset($current)) {
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$offset = ($current * $rowCount) - ($rowCount);
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$limit = $rowCount;
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}
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if ($rowCount != -1) {
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$extra_query = "&limit=$limit&offset=$offset";
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}
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if (! empty($filter_hostname)) {
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if (! empty($query)) {
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$query .= ' && ';
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}
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$ip = gethostbyname($filter_hostname);
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$device = device_by_name($filter_hostname);
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$query .= 'source:"' . $filter_hostname . '" || source:"' . $ip . '"';
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if (isset($device['ip']) && $ip != $device['ip']) {
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$query .= ' || source:"' . $device['ip'] . '"';
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}
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}
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if (Config::has('graylog.base_uri')) {
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$graylog_base = Config::get('graylog.base_uri');
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} elseif (version_compare(Config::get('graylog.version'), '2.1', '>=')) {
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$graylog_base = '/api/search/universal/relative';
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} else {
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$graylog_base = '/search/universal/relative';
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}
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$graylog_url = Config::get('graylog.server') . ':' . Config::get('graylog.port') . $graylog_base . '?query=' . urlencode($query) . '&range=' . $filter_range . $extra_query;
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$context = stream_context_create([
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'http' => [
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'header' => 'Authorization: Basic ' . base64_encode(Config::get('graylog.username') . ':' . Config::get('graylog.password')) . "\r\n" .
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'Accept: application/json',
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],
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]);
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$messages = json_decode(file_get_contents($graylog_url, false, $context), true);
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$labels = [
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CheckStatus::OK => 'label-info',
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CheckStatus::UNKNOWN => 'label-default',
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CheckStatus::WARNING => 'label-warning',
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CheckStatus::ERROR => 'label-danger',
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];
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foreach ($messages['messages'] as $message) {
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if (Config::has('graylog.timezone')) {
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$userTimezone = new DateTimeZone(Config::get('graylog.timezone'));
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$graylogTime = new DateTime($message['message']['timestamp']);
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$offset = $userTimezone->getOffset($graylogTime);
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$timeInterval = DateInterval::createFromDateString((string) $offset . 'seconds');
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$graylogTime->add($timeInterval);
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$displayTime = $graylogTime->format('Y-m-d H:i:s');
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} else {
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$displayTime = $message['message']['timestamp'];
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}
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$color = $labels[SyslogSeverity::STATUS[$message['message']['level']] ?? CheckStatus::UNKNOWN];
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$label = "<span class=\"alert-status $color\" style=\"margin-right:8px;float:left;\"></span>";
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$response[] = [
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'timestamp' => $label . $displayTime,
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'source' => '<a href="' . \LibreNMS\Util\Url::generate(['page' => 'device', 'device' => $message['message']['source']]) . '">' . $message['message']['source'] . '</a>',
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'message' => $message['message']['message'],
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'facility' => $message['message']['facility'],
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'level' => $message['message']['level'],
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];
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}
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if (empty($messages['total_results'])) {
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$total = 0;
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} else {
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$total = $messages['total_results'];
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}
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$output = ['current'=>$current, 'rowCount'=>$rowCount, 'rows'=>$response, 'total'=>$total];
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echo json_encode($output, JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
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