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116 lines
2.3 KiB
116 lines
2.3 KiB
<?php
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/*
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** Zabbix
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** Copyright (C) 2001-2023 Zabbix SIA
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**
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** This program 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 2 of the License, or
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** (at your option) any later version.
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**
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** This program 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 this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**/
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class CStringValidator extends CValidator {
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/**
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* If set to false, the string cannot be empty.
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*
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* @var bool
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*/
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public $empty = false;
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/**
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* Maximum string length.
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*
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* @var int
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*/
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public $maxLength;
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/**
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* Regex to match the string against.
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*
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* @var string
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*/
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public $regex;
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/**
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* Error message if the string is empty.
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*
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* @var string
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*/
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public $messageEmpty;
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/**
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* Error message if the string is too long.
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*
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* @var string
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*/
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public $messageMaxLength;
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/**
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* Error message if the string doesn't match the regex.
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*
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* @var string
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*/
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public $messageRegex;
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/**
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* Error message if not a string, integer or decimal is provided
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*
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* @var string
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*/
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public $messageInvalid;
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/**
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* Checks if the given string is:
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* - empty
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* - not too long
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* - matches a certain regex
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*
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* @param string $value
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*
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* @return bool
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*/
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public function validate($value) {
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if (!(is_string($value) || is_numeric($value))) {
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$this->error($this->messageInvalid, $this->stringify($value));
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return false;
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}
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if (zbx_empty($value)) {
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if ($this->empty) {
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return true;
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}
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else {
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$this->error($this->messageEmpty);
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return false;
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}
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}
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if ($this->maxLength && mb_strlen($value) > $this->maxLength) {
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$this->error($this->messageMaxLength, $value, $this->maxLength);
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return false;
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}
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if ($this->regex && !zbx_empty($value) && !preg_match($this->regex, $value)) {
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$this->error($this->messageRegex, $value);
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return false;
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}
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return true;
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}
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}
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