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   1  <?php
   2  /**
   3   * Zend Framework
   4   *
   5   * LICENSE
   6   *
   7   * This source file is subject to the new BSD license that is bundled
   8   * with this package in the file LICENSE.txt.
   9   * It is also available through the world-wide-web at this URL:
  10   * http://framework.zend.com/license/new-bsd
  11   * If you did not receive a copy of the license and are unable to
  12   * obtain it through the world-wide-web, please send an email
  13   * to [email protected] so we can send you a copy immediately.
  14   *
  15   * @category  Zend
  16   * @package   Zend_Validate
  17   * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  18   * @license   http://framework.zend.com/license/new-bsd     New BSD License
  19   * @version   $Id$
  20   */
  21  
  22  /**
  23   * @see Zend_Validate_File_Size
  24   */
  25  require_once 'Zend/Validate/File/Size.php';
  26  
  27  /**
  28   * Validator for the size of all files which will be validated in sum
  29   *
  30   * @category  Zend
  31   * @package   Zend_Validate
  32   * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
  33   * @license   http://framework.zend.com/license/new-bsd     New BSD License
  34   */
  35  class Zend_Validate_File_FilesSize extends Zend_Validate_File_Size
  36  {
  37      /**
  38       * @const string Error constants
  39       */
  40      const TOO_BIG      = 'fileFilesSizeTooBig';
  41      const TOO_SMALL    = 'fileFilesSizeTooSmall';
  42      const NOT_READABLE = 'fileFilesSizeNotReadable';
  43  
  44      /**
  45       * @var array Error message templates
  46       */
  47      protected $_messageTemplates = array(
  48          self::TOO_BIG      => "All files in sum should have a maximum size of '%max%' but '%size%' were detected",
  49          self::TOO_SMALL    => "All files in sum should have a minimum size of '%min%' but '%size%' were detected",
  50          self::NOT_READABLE => "One or more files can not be read",
  51      );
  52  
  53      /**
  54       * Internal file array
  55       *
  56       * @var array
  57       */
  58      protected $_files;
  59  
  60      /**
  61       * Sets validator options
  62       *
  63       * Min limits the used diskspace for all files, when used with max=null it is the maximum filesize
  64       * It also accepts an array with the keys 'min' and 'max'
  65       *
  66       * @param  integer|array|Zend_Config $options Options for this validator
  67       * @return void
  68       */
  69      public function __construct($options)
  70      {
  71          $this->_files = array();
  72          $this->_setSize(0);
  73  
  74          if ($options instanceof Zend_Config) {
  75              $options = $options->toArray();
  76          } elseif (is_scalar($options)) {
  77              $options = array('max' => $options);
  78          } elseif (!is_array($options)) {
  79              require_once 'Zend/Validate/Exception.php';
  80              throw new Zend_Validate_Exception('Invalid options to validator provided');
  81          }
  82  
  83          if (1 < func_num_args()) {
  84              $argv = func_get_args();
  85              array_shift($argv);
  86              $options['max'] = array_shift($argv);
  87              if (!empty($argv)) {
  88                  $options['bytestring'] = array_shift($argv);
  89              }
  90          }
  91  
  92          parent::__construct($options);
  93      }
  94  
  95      /**
  96       * Defined by Zend_Validate_Interface
  97       *
  98       * Returns true if and only if the disk usage of all files is at least min and
  99       * not bigger than max (when max is not null).
 100       *
 101       * @param  string|array $value Real file to check for size
 102       * @param  array        $file  File data from Zend_File_Transfer
 103       * @return boolean
 104       */
 105      public function isValid($value, $file = null)
 106      {
 107          require_once 'Zend/Loader.php';
 108          if (is_string($value)) {
 109              $value = array($value);
 110          }
 111  
 112          $min  = $this->getMin(true);
 113          $max  = $this->getMax(true);
 114          $size = $this->_getSize();
 115          foreach ($value as $files) {
 116              // Is file readable ?
 117              if (!Zend_Loader::isReadable($files)) {
 118                  $this->_throw($file, self::NOT_READABLE);
 119                  continue;
 120              }
 121  
 122              if (!isset($this->_files[$files])) {
 123                  $this->_files[$files] = $files;
 124              } else {
 125                  // file already counted... do not count twice
 126                  continue;
 127              }
 128  
 129              // limited to 2GB files
 130              $size += @filesize($files);
 131              $this->_size = $size;
 132              if (($max !== null) && ($max < $size)) {
 133                  if ($this->useByteString()) {
 134                      $this->_max  = $this->_toByteString($max);
 135                      $this->_size = $this->_toByteString($size);
 136                      $this->_throw($file, self::TOO_BIG);
 137                      $this->_max  = $max;
 138                      $this->_size = $size;
 139                  } else {
 140                      $this->_throw($file, self::TOO_BIG);
 141                  }
 142              }
 143          }
 144  
 145          // Check that aggregate files are >= minimum size
 146          if (($min !== null) && ($size < $min)) {
 147              if ($this->useByteString()) {
 148                  $this->_min  = $this->_toByteString($min);
 149                  $this->_size = $this->_toByteString($size);
 150                  $this->_throw($file, self::TOO_SMALL);
 151                  $this->_min  = $min;
 152                  $this->_size = $size;
 153              } else {
 154                  $this->_throw($file, self::TOO_SMALL);
 155              }
 156          }
 157  
 158          if (count($this->_messages) > 0) {
 159              return false;
 160          }
 161  
 162          return true;
 163      }
 164  }