220 lines
8.6 KiB
PHP
220 lines
8.6 KiB
PHP
<?php
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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 graphs
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* @link http://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\Authentication\LegacyAuth;
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use LibreNMS\Config;
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$where = ' `devices`.`disabled` = 0';
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$alert_states = array(
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// divined from librenms/alerts.php
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'recovered' => 0,
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'alerted' => 1,
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'acknowledged' => 2,
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'worse' => 3,
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'better' => 4,
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);
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$alert_severities = array(
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// alert_rules.status is enum('ok','warning','critical')
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'ok' => 1,
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'warning' => 2,
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'critical' => 3,
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'ok only' => 4,
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'warning only' => 5,
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'critical only' => 6,
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);
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$show_recovered = false;
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if (is_numeric($vars['device_id']) && $vars['device_id'] > 0) {
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$where .= ' AND `alerts`.`device_id`=' . $vars['device_id'];
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}
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if (is_numeric($vars['acknowledged'])) {
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// I assume that if we are searching for acknowleged/not, we aren't interested in recovered
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$where .= " AND `alerts`.`state`" . ($vars['acknowledged'] ? "=" : "!=") . $alert_states['acknowledged'];
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}
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if (is_numeric($vars['fired'])) {
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$where .= " AND `alerts`.`alerted`=" . $alert_states['alerted'];
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}
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if (is_numeric($vars['state'])) {
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$where .= " AND `alerts`.`state`=" . $vars['state'];
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if ($vars['state'] == $alert_states['recovered']) {
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$show_recovered = true;
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}
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}
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if (isset($vars['min_severity'])) {
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if (is_numeric($vars['min_severity'])) {
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$min_severity_id = $vars['min_severity'];
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} elseif (!empty($vars['min_severity'])) {
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$min_severity_id = $alert_severities[$vars['min_severity']];
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}
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if (isset($min_severity_id)) {
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$where .= " AND `alert_rules`.`severity` " . ($min_severity_id > 3 ? "" : ">") . "= " . ($min_severity_id > 3 ? $min_severity_id - 3 : $min_severity_id);
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}
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}
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if (is_numeric($vars['group'])) {
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$where .= " AND devices.device_id IN (SELECT `device_id` FROM `device_group_device` WHERE `device_group_id` = ?)";
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$param[] = $vars['group'];
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}
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if (!$show_recovered) {
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$where .= " AND `alerts`.`state`!=" . $alert_states['recovered'];
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}
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if (isset($searchPhrase) && !empty($searchPhrase)) {
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$where .= " AND (`timestamp` LIKE '%$searchPhrase%' OR `rule` LIKE '%$searchPhrase%' OR `name` LIKE '%$searchPhrase%' OR `hostname` LIKE '%$searchPhrase%' OR `sysName` LIKE '%$searchPhrase%')";
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}
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$sql = ' FROM `alerts` LEFT JOIN `devices` ON `alerts`.`device_id`=`devices`.`device_id`';
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if (!LegacyAuth::user()->hasGlobalRead()) {
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$sql .= ' LEFT JOIN `devices_perms` AS `DP` ON `devices`.`device_id` = `DP`.`device_id`';
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$where .= ' AND `DP`.`user_id`=?';
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$param[] = LegacyAuth::id();
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}
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$sql .= " LEFT JOIN `locations` ON `devices`.`location_id` = `locations`.`id`";
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$sql .= " RIGHT JOIN `alert_rules` ON `alerts`.`rule_id`=`alert_rules`.`id` WHERE $where";
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$count_sql = "SELECT COUNT(`alerts`.`id`) $sql";
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$total = dbFetchCell($count_sql, $param);
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if (empty($total)) {
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$total = 0;
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}
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if (!isset($vars['sort']) || empty($vars['sort'])) {
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$sort = 'timestamp DESC';
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} else {
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$sort = '`alert_rules`.`severity` DESC, timestamp DESC';
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}
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$sql .= " ORDER BY $sort";
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if (isset($current)) {
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$limit_low = (($current * $rowCount) - ($rowCount));
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$limit_high = $rowCount;
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}
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if ($rowCount != -1) {
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$sql .= " LIMIT $limit_low,$limit_high";
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}
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$sql = "SELECT `alerts`.*, `devices`.`hostname`, `devices`.`sysName`, `devices`.`hardware`, `locations`.`location`, `alert_rules`.`rule`, `alert_rules`.`name`, `alert_rules`.`severity` $sql";
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$rulei = 0;
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$format = $vars['format'];
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foreach (dbFetchRows($sql, $param) as $alert) {
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$log = dbFetchCell('SELECT details FROM alert_log WHERE rule_id = ? AND device_id = ? ORDER BY id DESC LIMIT 1', array($alert['rule_id'], $alert['device_id']));
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$fault_detail = alert_details($log);
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$info = json_decode($alert['info'], true);
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$alert_to_ack = '<button type="button" class="btn btn-danger command-ack-alert fa fa-eye" aria-hidden="true" title="Mark as acknowledged" data-target="ack-alert" data-state="' . $alert['state'] . '" data-alert_id="' . $alert['id'] . '" data-alert_state="' . $alert['state'] . '" name="ack-alert"></button>';
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$alert_to_nack = '<button type="button" class="btn btn-primary command-ack-alert fa fa-eye-slash" aria-hidden="true" title="Mark as not acknowledged" data-target="ack-alert" data-state="' . $alert['state'] . '" data-alert_id="' . $alert['id'] . '" data-alert_state="' . $alert['state'] . '" name="ack-alert"></button>';
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$alert_to_unack = '<button type="button" class="btn btn-primary command-ack-alert fa fa-eye" aria-hidden="true" title="Mark as not acknowledged" data-target="ack-alert" data-state="' . $alert['state'] . '" data-alert_id="' . $alert['id'] . '" data-alert_state="' . $alert['state'] . '" name="ack-alert"></button>';
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$ack_ico = $alert_to_ack;
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if ((int)$alert['state'] === 0) {
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$msg = '';
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} elseif ((int)$alert['state'] === 1 || (int)$alert['state'] === 3 || (int)$alert['state'] === 4) {
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if ((int)$alert['state'] === 3) {
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$msg = '<i class="fa fa-angle-double-down" style="font-size:20px;" aria-hidden="true" title="Status got worse"></i>';
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} elseif ((int)$alert['state'] === 4) {
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$msg = '<i class="fa fa-angle-double-up" style="font-size:20px;" aria-hidden="true" title="Status got better"></i>';
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}
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} elseif ((int)$alert['state'] === 2) {
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if ($info['until_clear'] === false) {
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$ack_ico = $alert_to_unack;
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} else {
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$ack_ico = $alert_to_nack;
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}
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}
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$severity = $alert['severity'];
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if ($alert['state'] == 3) {
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$severity .= ' <strong>+</strong>';
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} elseif ($alert['state'] == 4) {
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$severity .= ' <strong>-</strong>';
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}
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$hostname = '<div class="incident">' . generate_device_link($alert, format_hostname($alert, shorthost($alert['hostname']))) . '<div id="incident' . ($rulei + 1) . '" class="collapse">' . $fault_detail . '</div></div>';
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switch ($severity) {
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case 'critical':
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$severity_ico = '<span class="alert-status label-danger"> </span>';
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break;
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case 'warning':
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$severity_ico = '<span class="alert-status label-warning"> </span>';
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break;
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case 'ok':
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$severity_ico = '<span class="alert-status label-success"> </span>';
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break;
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default:
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$severity_ico = '<span class="alert-status label-info"> </span>';
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break;
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}
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if ((int)$alert['state'] === 2) {
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$severity_ico = '<span class="alert-status label-primary"> </span>';
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}
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$proc = dbFetchCell('SELECT proc FROM alerts,alert_rules WHERE alert_rules.id = alerts.rule_id AND alerts.id = ?', array($alert['id']));
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if (($proc == "") || ($proc == "NULL")) {
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$has_proc = '';
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} else {
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if (!preg_match('/^http[s]*:\/\//', $proc)) {
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$has_proc = '';
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} else {
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$has_proc = '<a href="' . $proc . '" target="_blank"><button type="button" class="btn btn-info fa fa-external-link" aria-hidden="true"></button></a>';
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}
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}
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if (empty($alert['note'])) {
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$note_class = 'default';
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} else {
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$note_class = 'warning';
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}
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$response[] = array(
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'id' => $rulei++,
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'rule' => '<i title="' . htmlentities($alert['rule']) . '"><a href="' . generate_url(array('page' => 'alert-rules')) . '">' . htmlentities($alert['name']) . '</a></i>',
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'details' => '<a class="fa fa-plus incident-toggle" style="display:none" data-toggle="collapse" data-target="#incident' . ($rulei) . '" data-parent="#alerts"></a>',
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'hostname' => $hostname,
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'location' => generate_link($alert['location'], array('page' => 'devices', 'location' => $alert['location'])),
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'timestamp' => ($alert['timestamp'] ? $alert['timestamp'] : 'N/A'),
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'severity' => $severity_ico,
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'state' => $alert['state'],
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'alert_id' => $alert['id'],
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'ack_ico' => $ack_ico,
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'proc' => $has_proc,
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'notes' => "<button type='button' class='btn btn-$note_class fa fa-sticky-note-o command-alert-note' aria-label='Notes' id='alert-notes' data-alert_id='{$alert['id']}'></button>",
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);
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}
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$output = array(
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'current' => $current,
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'rowCount' => $rowCount,
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'rows' => $response,
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'total' => $total,
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);
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echo _json_encode($output);
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