<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to [email protected] so we can send you a copy immediately.
*
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
* @version $Id: $
*/
/**
* @see Zend_Validate_File_Size
*/
require_once 'Zend/Validate/File/Size.php';
/**
* Validator for the size of all files which will be validated in sum
*
* @category Zend
* @package Zend_Validate
* @copyright Copyright (c) 2005-2008 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_Validate_File_FilesSize extends Zend_Validate_File_Size
{
/**
* @const string Error constants
*/
const TOO_BIG = 'fileFilesSizeTooBig';
const TOO_SMALL = 'fileFilesSizeTooSmall';
const NOT_READABLE = 'fileFilesSizeNotReadable';
/**
* @var array Error message templates
*/
protected $_messageTemplates = array(
self::TOO_BIG => "The files in sum exceed the maximum allowed size",
self::TOO_SMALL => "All files are in sum smaller than required",
self::NOT_READABLE => "One or more files can not be read"
);
/**
* @var array Error message template variables
*/
protected $_messageVariables = array(
'min' => '_min',
'max' => '_max'
);
/**
* Minimum filesize
*
* @var integer
*/
protected $_min;
/**
* Maximum filesize
*
* @var integer|null
*/
protected $_max;
/**
* Internal file array
*
* @var array
*/
protected $_files;
/**
* Internal file size counter
*
* @var integer
*/
protected $_size;
/**
* Sets validator options
*
* Min limits the used diskspace for all files, when used with max=null it is the maximum filesize
* It also accepts an array with the keys 'min' and 'max'
*
* @param integer|array $min Minimum diskspace for all files
* @param integer $max Maximum diskspace for all files
* @return void
*/
public function __construct($min, $max = null)
{
$this->_files = array();
$this->_size = 0;
parent::__construct($min, $max);
}
/**
* Defined by Zend_Validate_Interface
*
* Returns true if and only if the disk usage of all files is at least min and
* not bigger than max (when max is not null).
*
* @param string|array $value Real file to check for size
* @param array $file File data from Zend_File_Transfer
* @return boolean
*/
public function isValid($value, $file = null)
{
if (is_string($value)) {
$value = array($value);
}
foreach ($value as $files) {
// Is file readable ?
if (!@is_readable($files)) {
$this->_throw($file, self::NOT_READABLE);
return false;
}
if (!isset($this->_files[$files])) {
$this->_files[$files] = $files;
} else {
// file already counted... do not count twice
continue;
}
// limited to 2GB files
$size = @filesize($files);
$this->_size += $size;
$this->_setValue($this->_size);
if (($this->_max !== null) && ($this->_max < $this->_size)) {
$this->_throw($file, self::TOO_BIG);
}
}
// Check that aggregate files are >= minimum size
if (($this->_min !== null) && ($this->_size < $this->_min)) {
$this->_throw($file, self::TOO_SMALL);
}
if (count($this->_messages) > 0) {
return false;
} else {
return true;
}
}
}