phpservermon/src/psm/Util/Server/ServerValidator.php

140 lines
3.8 KiB
PHP

<?php
/**
* PHP Server Monitor
* Monitor your servers and websites.
*
* This file is part of PHP Server Monitor.
* PHP Server Monitor 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.
*
* PHP Server Monitor 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 PHP Server Monitor. If not, see <http://www.gnu.org/licenses/>.
*
* @package phpservermon
* @author Pepijn Over <pep@mailbox.org>
* @copyright Copyright (c) 2008-2017 Pepijn Over <pep@mailbox.org>
* @license http://www.gnu.org/licenses/gpl.txt GNU GPL v3
* @version Release: @package_version@
* @link http://www.phpservermonitor.org/
* @since phpservermon 3.1.0
**/
namespace psm\Util\Server;
/**
* The ServerValidator helps you to check input data for servers.
*/
class ServerValidator {
/**
* Database service
* @var \psm\Service\Database $db
*/
protected $db;
public function __construct(\psm\Service\Database $db) {
$this->db = $db;
}
/**
* Check if the server id exists
* @param int $server_id
* @return boolean
* @throws \InvalidArgumentException
*/
public function serverId($server_id) {
$server = $this->db->selectRow(PSM_DB_PREFIX . 'servers', array('server_id' => $server_id), array('server_id'));
if(empty($server)) {
throw new \InvalidArgumentException('server_no_match');
}
return true;
}
/**
* Check label
* @param string $label
* @return boolean
* @throws \InvalidArgumentException
*/
public function label($label) {
$label = trim($label);
if(empty($label) || strlen($label) > 255) {
throw new \InvalidArgumentException('server_label_bad_length');
}
return true;
}
/**
* Check server domain/ip
* @param string $value
* @param string $type if given, it can be checked for "website"/"ip"
* @return boolean
* @throws \InvalidArgumentException
*/
public function ip($value, $type = null) {
$value = trim($value);
if(empty($value) || strlen($value) > 255) {
throw new \InvalidArgumentException('server_ip_bad_length');
}
switch($type) {
case 'website':
if(!filter_var($value, FILTER_VALIDATE_URL)) {
throw new \InvalidArgumentException('server_ip_bad_website');
}
break;
case 'service':
if(
!filter_var($value, FILTER_VALIDATE_IP)
// domain regex as per http://stackoverflow.com/questions/106179/regular-expression-to-match-hostname-or-ip-address :
&& !preg_match("/^(([a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9\-]*[a-zA-Z0-9])\.)*([A-Za-z0-9]|[A-Za-z0-9][A-Za-z0-9\-]*[A-Za-z0-9])/", $value)
) {
throw new \InvalidArgumentException('server_ip_bad_service');
}
break;
case 'ping':
if(!filter_var($value, FILTER_VALIDATE_IP)) {
throw new \InvalidArgumentException('server_ip_bad_service');
}
break;
}
return true;
}
/**
* Check server type
* @param string $type
* @return boolean
* @throws \InvalidArgumentException
*/
public function type($type) {
if(!in_array($type, array('ping', 'service', 'website'))) {
throw new \InvalidArgumentException('server_type_invalid');
}
return true;
}
/**
* Check warning threshold
* @param int $value
* @return boolean
* @throws \InvalidArgumentException
*/
public function warningThreshold($value) {
if(!is_numeric($value) || intval($value) == 0) {
throw new \InvalidArgumentException('server_warning_threshold_invalid');
}
return true;
}
}