333 lines
8.5 KiB
PHP
333 lines
8.5 KiB
PHP
<?php
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/**
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* PHP Server Monitor
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* Monitor your servers and websites.
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*
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* This file is part of PHP Server Monitor.
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* PHP Server Monitor 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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* PHP Server Monitor 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 PHP Server Monitor. If not, see <http://www.gnu.org/licenses/>.
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*
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* @package phpservermon
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* @author Pepijn Over <pep@mailbox.org>
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* @copyright Copyright (c) 2008-2017 Pepijn Over <pep@mailbox.org>
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* @license http://www.gnu.org/licenses/gpl.txt GNU GPL v3
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* @version Release: @package_version@
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* @link http://www.phpservermonitor.org/
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**/
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/**
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* The status updater is for sending notifications to the users.
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*
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* @see \psm\Util\Server\Updater\StatusUpdater
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* @see \psm\Util\Server\Updater\Autorun
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*/
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namespace psm\Util\Server\Updater;
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use psm\Service\Database;
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class StatusNotifier {
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/**
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* Database service
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* @var \psm\Service\Database $db
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*/
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protected $db;
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/**
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* Send emails?
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* @var boolean $send_emails
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*/
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protected $send_emails = false;
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/**
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* Send sms?
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* @var boolean $send_sms
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*/
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protected $send_sms = false;
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/**
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* Send sms?
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* @var boolean $send_pushover
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*/
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protected $send_pushover = false;
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/**
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* Save log records?
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* @var boolean $save_log
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*/
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protected $save_logs = false;
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/**
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* Server id
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* @var int $server_id
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*/
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protected $server_id;
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/**
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* Server information
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* @var array $server
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*/
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protected $server;
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/**
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* Old status
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* @var boolean $status_old
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*/
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protected $status_old;
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/**
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* New status
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* @var boolean $status_new
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*/
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protected $status_new;
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function __construct(Database $db) {
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$this->db = $db;
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$this->send_emails = psm_get_conf('email_status');
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$this->send_sms = psm_get_conf('sms_status');
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$this->send_pushover = psm_get_conf('pushover_status');
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$this->save_logs = psm_get_conf('log_status');
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}
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/**
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* This function initializes the sending (text msg & email) and logging
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*
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* @param int $server_id
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* @param boolean $status_old
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* @param boolean $status_new
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* @return boolean
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*/
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public function notify($server_id, $status_old, $status_new) {
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if(!$this->send_emails && !$this->send_sms && !$this->save_logs) {
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// seems like we have nothing to do. skip the rest
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return false;
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}
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$this->server_id = $server_id;
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$this->status_old = $status_old;
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$this->status_new = $status_new;
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// get server info from db
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$this->server = $this->db->selectRow(PSM_DB_PREFIX . 'servers', array(
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'server_id' => $server_id,
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), array(
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'server_id', 'ip', 'port', 'label', 'type', 'pattern', 'status', 'error', 'active', 'email', 'sms', 'pushover',
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));
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if(empty($this->server)) {
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return false;
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}
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$notify = false;
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// check which type of alert the user wants
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switch(psm_get_conf('alert_type')) {
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case 'always':
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if($status_new == false) {
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// server is offline. we are in error state.
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$notify = true;
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}
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break;
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case 'offline':
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// only send a notification if the server goes down for the first time!
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if($status_new == false && $status_old == true) {
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$notify = true;
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}
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break;
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case 'status':
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if($status_new != $status_old) {
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// status has been changed!
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$notify = true;
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}
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break;
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}
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if(!$notify) {
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return false;
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}
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// first add to log (we use the same text as the SMS message because its short..)
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if($this->save_logs) {
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psm_add_log(
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$this->server_id,
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'status',
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psm_parse_msg($status_new, 'sms', $this->server)
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);
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}
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$users = $this->getUsers($this->server_id);
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if(empty($users)) {
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return $notify;
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}
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// check if email is enabled for this server
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if($this->send_emails && $this->server['email'] == 'yes') {
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// send email
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$this->notifyByEmail($users);
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}
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// check if sms is enabled for this server
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if($this->send_sms && $this->server['sms'] == 'yes') {
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// yay lets wake those nerds up!
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$this->notifyByTxtMsg($users);
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}
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// check if pushover is enabled for this server
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if($this->send_pushover && $this->server['pushover'] == 'yes') {
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// yay lets wake those nerds up!
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$this->notifyByPushover($users);
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}
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return $notify;
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}
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/**
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* This functions performs the email notifications
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*
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* @param array $users
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* @return boolean
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*/
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protected function notifyByEmail($users) {
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// build mail object with some default values
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$mail = psm_build_mail();
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$mail->Subject = utf8_decode(psm_parse_msg($this->status_new, 'email_subject', $this->server));
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$mail->Priority = 1;
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$body = psm_parse_msg($this->status_new, 'email_body', $this->server);
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$mail->Body = utf8_decode($body);
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$mail->AltBody = str_replace('<br/>', "\n", $body);
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if(psm_get_conf('log_email')) {
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$log_id = psm_add_log($this->server_id, 'email', $body);
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}
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// go through empl
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foreach ($users as $user) {
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if(!empty($log_id)) {
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psm_add_log_user($log_id, $user['user_id']);
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}
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// we sent a seperate email to every single user.
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$mail->AddAddress($user['email'], $user['name']);
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$mail->Send();
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$mail->ClearAddresses();
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}
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}
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/**
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* This functions performs the pushover notifications
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*
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* @param array $users
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* @return boolean
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*/
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protected function notifyByPushover($users) {
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// Remove users that have no pushover_key
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foreach($users as $k => $user) {
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if (trim($user['pushover_key']) == '') {
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unset($users[$k]);
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}
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}
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// Validation
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if (empty($users)) {
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return;
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}
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// Pushover
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$message = psm_parse_msg($this->status_new, 'pushover_message', $this->server);
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$pushover = psm_build_pushover();
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if($this->status_new === true) {
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$pushover->setPriority(0);
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} else {
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$pushover->setPriority(2);
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$pushover->setRetry(300); //Used with Priority = 2; Pushover will resend the notification every 60 seconds until the user accepts.
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$pushover->setExpire(3600); //Used with Priority = 2; Pushover will resend the notification every 60 seconds for 3600 seconds. After that point, it stops sending notifications.
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}
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$pushover->setTitle(psm_parse_msg($this->status_new, 'pushover_title', $this->server));
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$pushover->setMessage(str_replace('<br/>', "\n", $message));
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$pushover->setUrl(psm_build_url());
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$pushover->setUrlTitle(psm_get_lang('system', 'title'));
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// Log
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if(psm_get_conf('log_pushover')) {
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$log_id = psm_add_log($this->server_id, 'pushover', $message);
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}
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foreach($users as $user) {
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// Log
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if(!empty($log_id)) {
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psm_add_log_user($log_id, $user['user_id']);
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}
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// Set recipient + send
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$pushover->setUser($user['pushover_key']);
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if($user['pushover_device'] != '') {
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$pushover->setDevice($user['pushover_device']);
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}
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$pushover->send();
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}
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}
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/**
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* This functions performs the text message notifications
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*
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* @param array $users
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* @return boolean
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*/
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protected function notifyByTxtMsg($users) {
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$sms = psm_build_sms();
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if(!$sms) {
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return false;
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}
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$message = psm_parse_msg($this->status_new, 'sms', $this->server);
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// Log
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if(psm_get_conf('log_sms')) {
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$log_id = psm_add_log($this->server_id, 'sms', $message);
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}
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// add all users to the recipients list
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foreach ($users as $user) {
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// Log
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if(!empty($log_id)) {
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psm_add_log_user($log_id, $user['user_id']);
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}
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$sms->addRecipients($user['mobile']);
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}
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// Send sms
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$result = $sms->sendSMS($message);
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return $result;
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}
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/**
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* Get all users for the provided server id
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* @param int $server_id
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* @return array
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*/
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public function getUsers($server_id) {
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// find all the users with this server listed
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$users = $this->db->query("
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SELECT `u`.`user_id`, `u`.`name`,`u`.`email`, `u`.`mobile`, `u`.`pushover_key`, `u`.`pushover_device`
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FROM `".PSM_DB_PREFIX."users` AS `u`
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JOIN `".PSM_DB_PREFIX."users_servers` AS `us` ON (
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`us`.`user_id`=`u`.`user_id`
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AND `us`.`server_id` = {$server_id}
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)
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");
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return $users;
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}
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} |