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<?php
/*
** Zabbix
** Copyright (C) 2001-2018 Zabbix SIA
**
** 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 2 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, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
class CIdValidator extends CValidator {
/**
* Value to determine whether to allow empty values
*
* @var bool
*/
public $empty = false;
/**
* Error message if the id has wrong type or id is out of range or invalid
*
* @var string
*/
public $messageInvalid;
/**
* Error message if the id is empty
*
* @var string
*/
public $messageEmpty;
/**
* Validates ID value
*
* @param string $value
*
* @return bool
*/
public function validate($value) {
if (!is_string($value) && !is_int($value)) {
$this->error($this->messageInvalid, $this->stringify($value));
return false;
}
if (!$this->empty && (string) $value === '0') {
$this->error($this->messageEmpty);
return false;
}
$regex = $this->empty ? '/^(0|(?!0)[0-9]+)$/' : '/^(?!0)\d+$/';
if (!preg_match($regex, $value) ||
bccomp($value, 0) == -1 ||
bccomp($value, ZBX_DB_MAX_ID) == 1
) {
$this->error($this->messageInvalid, $value);
return false;
}
return true;
}
}
|
