librenms/includes/notifications.php

113 lines
3.2 KiB
PHP

<?php
/* Copyright (C) 2015 Daniel Preussker, QuxLabs UG <preussker@quxlabs.com>
* 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/>. */
/**
* Notification Poller
* @author Daniel Preussker
* @copyright 2015 Daniel Preussker, QuxLabs UG
* @license GPL
* @package LibreNMS
* @subpackage Notifications
*/
/**
* Pull notifications from remotes
* @return array Notifications
*/
function get_notifications()
{
global $config;
$obj = array();
foreach ($config['notifications'] as $name => $url) {
echo '[ '.date('r').' ] '.$url.' ';
$feed = json_decode(json_encode(simplexml_load_string(file_get_contents($url))), true);
if (isset($feed['channel'])) {
$feed = parse_rss($feed);
} else {
$feed = parse_atom($feed);
}
array_walk($feed, function (&$items, $key, $url) {
$items['source'] = $url;
}, $url);
$obj = array_merge($obj, $feed);
echo '('.sizeof($obj).')'.PHP_EOL;
}
$obj = array_sort($obj, 'datetime');
return $obj;
}
/**
* Post notifications to users
* @return null
*/
function post_notifications()
{
$notifs = get_notifications();
echo '[ '.date('r').' ] Updating DB ';
foreach ($notifs as $notif) {
if (dbFetchCell('select 1 from notifications where checksum = ?', array($notif['checksum'])) != 1 && dbInsert('notifications', $notif) > 0) {
echo '.';
}
}
echo ' Done';
echo PHP_EOL;
}
/**
* Parse RSS
* @param array $feed RSS Object
* @return array Parsed Object
*/
function parse_rss($feed)
{
$obj = array();
if (!array_key_exists('0', $feed['channel']['item'])) {
$feed['channel']['item'] = array( $feed['channel']['item'] );
}
foreach ($feed['channel']['item'] as $item) {
$obj[] = array(
'title'=>$item['title'],
'body'=>$item['description'],
'checksum'=>hash('sha512', $item['title'].$item['description']),
'datetime'=>strftime('%F', strtotime($item['pubDate']))
);
}
return $obj;
}
/**
* Parse Atom
* @param array $feed Atom Object
* @return array Parsed Object
*/
function parse_atom($feed)
{
$obj = array();
if (!array_key_exists('0', $feed['entry'])) {
$feed['entry'] = array( $feed['entry'] );
}
foreach ($feed['entry'] as $item) {
$obj[] = array(
'title'=>$item['title'],
'body'=>$item['content'],
'checksum'=>hash('sha512', $item['title'].$item['content']),
'datetime'=>strftime('%F', strtotime($item['updated']))
);
}
return $obj;
}
post_notifications();