309 lines
8.4 KiB
PHP
309 lines
8.4 KiB
PHP
|
<?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 license@zend.com 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_Abstract
|
||
|
|
*/
|
||
|
|
require_once 'Zend/Validate/Abstract.php';
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Validator for the maximum size of a file up to a max of 2GB
|
||
|
|
*
|
||
|
|
* @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_Size extends Zend_Validate_Abstract
|
||
|
|
{
|
||
|
|
/**#@+
|
||
|
|
* @const string Error constants
|
||
|
|
*/
|
||
|
|
const TOO_BIG = 'fileSizeTooBig';
|
||
|
|
const TOO_SMALL = 'fileSizeTooSmall';
|
||
|
|
const NOT_FOUND = 'fileSizeNotFound';
|
||
|
|
/**#@-*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @var array Error message templates
|
||
|
|
*/
|
||
|
|
protected $_messageTemplates = array(
|
||
|
|
self::TOO_BIG => "The file '%value%' is bigger than allowed",
|
||
|
|
self::TOO_SMALL => "The file '%value%' is smaller than allowed",
|
||
|
|
self::NOT_FOUND => "The file '%value%' could not be found"
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @var array Error message template variables
|
||
|
|
*/
|
||
|
|
protected $_messageVariables = array(
|
||
|
|
'min' => '_min',
|
||
|
|
'max' => '_max'
|
||
|
|
);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Minimum filesize
|
||
|
|
* @var integer
|
||
|
|
*/
|
||
|
|
protected $_min;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Maximum filesize
|
||
|
|
*
|
||
|
|
* If null, there is no maximum filesize
|
||
|
|
*
|
||
|
|
* @var integer|null
|
||
|
|
*/
|
||
|
|
protected $_max;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets validator options
|
||
|
|
*
|
||
|
|
* Min limits the filesize, 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 filesize
|
||
|
|
* @param integer $max Maximum filesize
|
||
|
|
* @return void
|
||
|
|
*/
|
||
|
|
public function __construct($min, $max = null)
|
||
|
|
{
|
||
|
|
if (is_array($min)) {
|
||
|
|
$count = count($min);
|
||
|
|
if (array_key_exists('min', $min)) {
|
||
|
|
if (array_key_exists('max', $min)) {
|
||
|
|
$max = $min['max'];
|
||
|
|
}
|
||
|
|
|
||
|
|
$min = $min['min'];
|
||
|
|
} elseif ($count === 2) {
|
||
|
|
$minValue = array_shift($min);
|
||
|
|
$max = array_shift($min);
|
||
|
|
$min = $minValue;
|
||
|
|
} elseif($count === 1) {
|
||
|
|
$min = array_shift($min);
|
||
|
|
$max = null;
|
||
|
|
} else {
|
||
|
|
$min = 0;
|
||
|
|
$max = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (empty($max)) {
|
||
|
|
$max = $min;
|
||
|
|
$min = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->setMin($min);
|
||
|
|
$this->setMax($max);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the minimum filesize
|
||
|
|
*
|
||
|
|
* @param boolean $unit Return the value with unit, when false the plan bytes will be returned
|
||
|
|
* @return integer
|
||
|
|
*/
|
||
|
|
public function getMin($unit = true)
|
||
|
|
{
|
||
|
|
$unit = (bool) $unit;
|
||
|
|
$min = $this->_min;
|
||
|
|
if ($unit) {
|
||
|
|
$min = $this->_toByteString($min);
|
||
|
|
}
|
||
|
|
return $min;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets the minimum filesize
|
||
|
|
*
|
||
|
|
* @param integer $min The minimum filesize
|
||
|
|
* @return Zend_Validate_File_Size Provides a fluent interface
|
||
|
|
* @throws Zend_Validate_Exception When min is greater than max
|
||
|
|
*/
|
||
|
|
public function setMin($min)
|
||
|
|
{
|
||
|
|
$min = (integer) $this->_fromByteString($min);
|
||
|
|
if (($this->_max !== null) && ($min > $this->_max)) {
|
||
|
|
require_once 'Zend/Validate/Exception.php';
|
||
|
|
throw new Zend_Validate_Exception("The minimum must be less than or equal to the maximum filesize, but $min >"
|
||
|
|
. " {$this->_max}");
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->_min = max(0, $min);
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the maximum filesize
|
||
|
|
*
|
||
|
|
* @param boolean $unit Return the value with unit, when false the plan bytes will be returned
|
||
|
|
* @return integer|null
|
||
|
|
*/
|
||
|
|
public function getMax($unit = true)
|
||
|
|
{
|
||
|
|
$unit = (bool) $unit;
|
||
|
|
$max = $this->_max;
|
||
|
|
if ($unit) {
|
||
|
|
$max = $this->_toByteString($max);
|
||
|
|
}
|
||
|
|
return $max;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets the maximum filesize
|
||
|
|
*
|
||
|
|
* @param integer|null $max The maximum filesize
|
||
|
|
* @return Zend_Validate_StringLength Provides a fluent interface
|
||
|
|
* @throws Zend_Validate_Exception When max is smaller than min
|
||
|
|
*/
|
||
|
|
public function setMax($max)
|
||
|
|
{
|
||
|
|
$max = (integer) $this->_fromByteString($max);
|
||
|
|
if (($this->_min !== null) && ($max < $this->_min)) {
|
||
|
|
require_once 'Zend/Validate/Exception.php';
|
||
|
|
throw new Zend_Validate_Exception("The maximum must be greater than or equal to the minimum filesize, but "
|
||
|
|
. "$max < {$this->_min}");
|
||
|
|
} else {
|
||
|
|
$this->_max = $max;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Defined by Zend_Validate_Interface
|
||
|
|
*
|
||
|
|
* Returns true if and only if the filesize of $value is at least min and
|
||
|
|
* not bigger than max (when max is not null).
|
||
|
|
*
|
||
|
|
* @param string $value Real file to check for size
|
||
|
|
* @param array $file File data from Zend_File_Transfer
|
||
|
|
* @return boolean
|
||
|
|
*/
|
||
|
|
public function isValid($value, $file = null)
|
||
|
|
{
|
||
|
|
// Is file readable ?
|
||
|
|
if (!@is_readable($value)) {
|
||
|
|
$this->_throw($file, self::NOT_FOUND);
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// limited to 4GB files
|
||
|
|
$size = sprintf("%u",@filesize($value));
|
||
|
|
$this->_setValue($size);
|
||
|
|
|
||
|
|
// Check to see if it's smaller than min size
|
||
|
|
if (($this->_min !== null) && ($size < $this->_min)) {
|
||
|
|
$this->_throw($file, self::TOO_SMALL);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check to see if it's larger than max size
|
||
|
|
if (($this->_max !== null) && ($this->_max < $size)) {
|
||
|
|
$this->_throw($file, self::TOO_BIG);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (count($this->_messages) > 0) {
|
||
|
|
return false;
|
||
|
|
} else {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the formatted size
|
||
|
|
*
|
||
|
|
* @param integer $size
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
protected function _toByteString($size)
|
||
|
|
{
|
||
|
|
$sizes = array('B', 'kB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB');
|
||
|
|
for ($i=0; $size > 1024 && $i < 9; $i++) {
|
||
|
|
$size /= 1024;
|
||
|
|
}
|
||
|
|
return round($size, 2).$sizes[$i];
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the unformatted size
|
||
|
|
*
|
||
|
|
* @param string $size
|
||
|
|
* @return integer
|
||
|
|
*/
|
||
|
|
protected function _fromByteString($size)
|
||
|
|
{
|
||
|
|
if (is_numeric($size)) {
|
||
|
|
return (integer) $size;
|
||
|
|
}
|
||
|
|
|
||
|
|
$type = trim(substr($size, -2));
|
||
|
|
$value = substr($size, 0, -2);
|
||
|
|
switch (strtoupper($type)) {
|
||
|
|
case 'YB':
|
||
|
|
$value *= (1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024);
|
||
|
|
break;
|
||
|
|
case 'ZB':
|
||
|
|
$value *= (1024 * 1024 * 1024 * 1024 * 1024 * 1024 * 1024);
|
||
|
|
break;
|
||
|
|
case 'EB':
|
||
|
|
$value *= (1024 * 1024 * 1024 * 1024 * 1024 * 1024);
|
||
|
|
break;
|
||
|
|
case 'PB':
|
||
|
|
$value *= (1024 * 1024 * 1024 * 1024 * 1024);
|
||
|
|
break;
|
||
|
|
case 'TB':
|
||
|
|
$value *= (1024 * 1024 * 1024 * 1024);
|
||
|
|
break;
|
||
|
|
case 'GB':
|
||
|
|
$value *= (1024 * 1024 * 1024);
|
||
|
|
break;
|
||
|
|
case 'MB':
|
||
|
|
$value *= (1024 * 1024);
|
||
|
|
break;
|
||
|
|
case 'KB':
|
||
|
|
$value *= 1024;
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $value;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Throws an error of the given type
|
||
|
|
*
|
||
|
|
* @param string $file
|
||
|
|
* @param string $errorType
|
||
|
|
* @return false
|
||
|
|
*/
|
||
|
|
protected function _throw($file, $errorType)
|
||
|
|
{
|
||
|
|
if ($file !== null) {
|
||
|
|
$this->_value = $file['name'];
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->_error($errorType);
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
}
|