[5146] | 1 | <?php |
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| 2 | /** |
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| 3 | * Zend Framework |
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| 4 | * |
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| 5 | * LICENSE |
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| 6 | * |
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| 7 | * This source file is subject to the new BSD license that is bundled |
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| 8 | * with this package in the file LICENSE.txt. |
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| 9 | * It is also available through the world-wide-web at this URL: |
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| 10 | * http://framework.zend.com/license/new-bsd |
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| 11 | * If you did not receive a copy of the license and are unable to |
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| 12 | * obtain it through the world-wide-web, please send an email |
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| 13 | * to license@zend.com so we can send you a copy immediately. |
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| 14 | * |
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| 15 | * @category Zend |
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| 16 | * @package Zend_Validate |
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| 17 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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| 18 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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| 19 | * @version $Id: Upload.php 23570 2010-12-20 08:38:30Z mjh_ca $ |
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| 20 | */ |
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| 21 | |
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| 22 | /** |
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| 23 | * @see Zend_Validate_Abstract |
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| 24 | */ |
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| 25 | require_once 'Zend/Validate/Abstract.php'; |
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| 26 | |
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| 27 | /** |
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| 28 | * Validator for the maximum size of a file up to a max of 2GB |
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| 29 | * |
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| 30 | * @category Zend |
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| 31 | * @package Zend_Validate |
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| 32 | * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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| 33 | * @license http://framework.zend.com/license/new-bsd New BSD License |
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| 34 | */ |
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| 35 | class Zend_Validate_File_Upload extends Zend_Validate_Abstract |
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| 36 | { |
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| 37 | /**@#+ |
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| 38 | * @const string Error constants |
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| 39 | */ |
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| 40 | const INI_SIZE = 'fileUploadErrorIniSize'; |
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| 41 | const FORM_SIZE = 'fileUploadErrorFormSize'; |
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| 42 | const PARTIAL = 'fileUploadErrorPartial'; |
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| 43 | const NO_FILE = 'fileUploadErrorNoFile'; |
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| 44 | const NO_TMP_DIR = 'fileUploadErrorNoTmpDir'; |
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| 45 | const CANT_WRITE = 'fileUploadErrorCantWrite'; |
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| 46 | const EXTENSION = 'fileUploadErrorExtension'; |
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| 47 | const ATTACK = 'fileUploadErrorAttack'; |
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| 48 | const FILE_NOT_FOUND = 'fileUploadErrorFileNotFound'; |
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| 49 | const UNKNOWN = 'fileUploadErrorUnknown'; |
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| 50 | /**@#-*/ |
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| 51 | |
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| 52 | /** |
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| 53 | * @var array Error message templates |
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| 54 | */ |
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| 55 | protected $_messageTemplates = array( |
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| 56 | self::INI_SIZE => "File '%value%' exceeds the defined ini size", |
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| 57 | self::FORM_SIZE => "File '%value%' exceeds the defined form size", |
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| 58 | self::PARTIAL => "File '%value%' was only partially uploaded", |
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| 59 | self::NO_FILE => "File '%value%' was not uploaded", |
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| 60 | self::NO_TMP_DIR => "No temporary directory was found for file '%value%'", |
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| 61 | self::CANT_WRITE => "File '%value%' can't be written", |
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| 62 | self::EXTENSION => "A PHP extension returned an error while uploading the file '%value%'", |
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| 63 | self::ATTACK => "File '%value%' was illegally uploaded. This could be a possible attack", |
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| 64 | self::FILE_NOT_FOUND => "File '%value%' was not found", |
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| 65 | self::UNKNOWN => "Unknown error while uploading file '%value%'" |
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| 66 | ); |
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| 67 | |
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| 68 | /** |
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| 69 | * Internal array of files |
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| 70 | * @var array |
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| 71 | */ |
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| 72 | protected $_files = array(); |
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| 73 | |
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| 74 | /** |
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| 75 | * Sets validator options |
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| 76 | * |
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| 77 | * The array $files must be given in syntax of Zend_File_Transfer to be checked |
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| 78 | * If no files are given the $_FILES array will be used automatically. |
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| 79 | * NOTE: This validator will only work with HTTP POST uploads! |
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| 80 | * |
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| 81 | * @param array|Zend_Config $files Array of files in syntax of Zend_File_Transfer |
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| 82 | * @return void |
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| 83 | */ |
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| 84 | public function __construct($files = array()) |
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| 85 | { |
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| 86 | if ($files instanceof Zend_Config) { |
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| 87 | $files = $files->toArray(); |
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| 88 | } |
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| 89 | |
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| 90 | $this->setFiles($files); |
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| 91 | } |
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| 92 | |
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| 93 | /** |
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| 94 | * Returns the array of set files |
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| 95 | * |
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| 96 | * @param string $files (Optional) The file to return in detail |
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| 97 | * @return array |
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| 98 | * @throws Zend_Validate_Exception If file is not found |
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| 99 | */ |
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| 100 | public function getFiles($file = null) |
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| 101 | { |
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| 102 | if ($file !== null) { |
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| 103 | $return = array(); |
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| 104 | foreach ($this->_files as $name => $content) { |
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| 105 | if ($name === $file) { |
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| 106 | $return[$file] = $this->_files[$name]; |
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| 107 | } |
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| 108 | |
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| 109 | if ($content['name'] === $file) { |
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| 110 | $return[$name] = $this->_files[$name]; |
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| 111 | } |
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| 112 | } |
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| 113 | |
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| 114 | if (count($return) === 0) { |
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| 115 | require_once 'Zend/Validate/Exception.php'; |
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| 116 | throw new Zend_Validate_Exception("The file '$file' was not found"); |
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| 117 | } |
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| 118 | |
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| 119 | return $return; |
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| 120 | } |
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| 121 | |
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| 122 | return $this->_files; |
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| 123 | } |
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| 124 | |
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| 125 | /** |
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| 126 | * Sets the files to be checked |
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| 127 | * |
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| 128 | * @param array $files The files to check in syntax of Zend_File_Transfer |
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| 129 | * @return Zend_Validate_File_Upload Provides a fluent interface |
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| 130 | */ |
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| 131 | public function setFiles($files = array()) |
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| 132 | { |
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| 133 | if (count($files) === 0) { |
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| 134 | $this->_files = $_FILES; |
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| 135 | } else { |
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| 136 | $this->_files = $files; |
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| 137 | } |
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| 138 | |
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| 139 | // see ZF-10738 |
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| 140 | if (is_null($this->_files)) { |
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| 141 | $this->_files = array(); |
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| 142 | } |
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| 143 | |
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| 144 | foreach($this->_files as $file => $content) { |
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| 145 | if (!isset($content['error'])) { |
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| 146 | unset($this->_files[$file]); |
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| 147 | } |
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| 148 | } |
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| 149 | |
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| 150 | return $this; |
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| 151 | } |
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| 152 | |
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| 153 | /** |
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| 154 | * Defined by Zend_Validate_Interface |
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| 155 | * |
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| 156 | * Returns true if and only if the file was uploaded without errors |
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| 157 | * |
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| 158 | * @param string $value Single file to check for upload errors, when giving null the $_FILES array |
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| 159 | * from initialization will be used |
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| 160 | * @return boolean |
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| 161 | */ |
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| 162 | public function isValid($value, $file = null) |
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| 163 | { |
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| 164 | $this->_messages = null; |
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| 165 | if (array_key_exists($value, $this->_files)) { |
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| 166 | $files[$value] = $this->_files[$value]; |
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| 167 | } else { |
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| 168 | foreach ($this->_files as $file => $content) { |
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| 169 | if (isset($content['name']) && ($content['name'] === $value)) { |
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| 170 | $files[$file] = $this->_files[$file]; |
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| 171 | } |
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| 172 | |
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| 173 | if (isset($content['tmp_name']) && ($content['tmp_name'] === $value)) { |
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| 174 | $files[$file] = $this->_files[$file]; |
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| 175 | } |
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| 176 | } |
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| 177 | } |
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| 178 | |
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| 179 | if (empty($files)) { |
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| 180 | return $this->_throw($file, self::FILE_NOT_FOUND); |
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| 181 | } |
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| 182 | |
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| 183 | foreach ($files as $file => $content) { |
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| 184 | $this->_value = $file; |
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| 185 | switch($content['error']) { |
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| 186 | case 0: |
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| 187 | if (!is_uploaded_file($content['tmp_name'])) { |
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| 188 | $this->_throw($file, self::ATTACK); |
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| 189 | } |
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| 190 | break; |
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| 191 | |
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| 192 | case 1: |
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| 193 | $this->_throw($file, self::INI_SIZE); |
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| 194 | break; |
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| 195 | |
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| 196 | case 2: |
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| 197 | $this->_throw($file, self::FORM_SIZE); |
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| 198 | break; |
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| 199 | |
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| 200 | case 3: |
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| 201 | $this->_throw($file, self::PARTIAL); |
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| 202 | break; |
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| 203 | |
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| 204 | case 4: |
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| 205 | $this->_throw($file, self::NO_FILE); |
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| 206 | break; |
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| 207 | |
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| 208 | case 6: |
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| 209 | $this->_throw($file, self::NO_TMP_DIR); |
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| 210 | break; |
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| 211 | |
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| 212 | case 7: |
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| 213 | $this->_throw($file, self::CANT_WRITE); |
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| 214 | break; |
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| 215 | |
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| 216 | case 8: |
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| 217 | $this->_throw($file, self::EXTENSION); |
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| 218 | break; |
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| 219 | |
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| 220 | default: |
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| 221 | $this->_throw($file, self::UNKNOWN); |
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| 222 | break; |
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| 223 | } |
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| 224 | } |
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| 225 | |
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| 226 | if (count($this->_messages) > 0) { |
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| 227 | return false; |
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| 228 | } else { |
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| 229 | return true; |
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| 230 | } |
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| 231 | } |
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| 232 | |
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| 233 | /** |
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| 234 | * Throws an error of the given type |
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| 235 | * |
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| 236 | * @param string $file |
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| 237 | * @param string $errorType |
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| 238 | * @return false |
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| 239 | */ |
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| 240 | protected function _throw($file, $errorType) |
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| 241 | { |
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| 242 | if ($file !== null) { |
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| 243 | if (is_array($file) and !empty($file['name'])) { |
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| 244 | $this->_value = $file['name']; |
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| 245 | } |
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| 246 | } |
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| 247 | |
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| 248 | $this->_error($errorType); |
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| 249 | return false; |
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| 250 | } |
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| 251 | } |
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