/Uploader.php
Created Feb 7, 2016
Uploader.php - Magento Permission adjustment to fix errors with uploaded images
| <?php | |
| /** | |
| * Magento | |
| * | |
| * NOTICE OF LICENSE | |
| * | |
| * This source file is subject to the Open Software License (OSL 3.0) | |
| * that is bundled with this package in the file LICENSE.txt. | |
| * It is also available through the world-wide-web at this URL: | |
| * http://opensource.org/licenses/osl-3.0.php | |
| * 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@magento.com so we can send you a copy immediately. | |
| * | |
| * DISCLAIMER | |
| * | |
| * Do not edit or add to this file if you wish to upgrade Magento to newer | |
| * versions in the future. If you wish to customize Magento for your | |
| * needs please refer to http://www.magento.com for more information. | |
| * | |
| * @category Varien | |
| * @package Varien_File | |
| * @copyright Copyright (c) 2006-2015 X.commerce, Inc. (http://www.magento.com) | |
| * @license http://opensource.org/licenses/osl-3.0.php Open Software License (OSL 3.0) | |
| */ | |
| /** | |
| * File upload class | |
| * | |
| * ATTENTION! This class must be used like abstract class and must added | |
| * validation by protected file extension list to extended class | |
| * | |
| * @category Varien | |
| * @package Varien_File | |
| * @author Magento Core Team <core@magentocommerce.com> | |
| */ | |
| class Varien_File_Uploader | |
| { | |
| /** | |
| * Uploaded file handle (copy of $_FILES[] element) | |
| * | |
| * @var array | |
| * @access protected | |
| */ | |
| protected $_file; | |
| /** | |
| * Uploaded file mime type | |
| * | |
| * @var string | |
| * @access protected | |
| */ | |
| protected $_fileMimeType; | |
| /** | |
| * Upload type. Used to right handle $_FILES array. | |
| * | |
| * @var Varien_File_Uploader::SINGLE_STYLE|Varien_File_Uploader::MULTIPLE_STYLE | |
| * @access protected | |
| */ | |
| protected $_uploadType; | |
| /** | |
| * The name of uploaded file. By default it is original file name, but when | |
| * we will change file name, this variable will be changed too. | |
| * | |
| * @var string | |
| * @access protected | |
| */ | |
| protected $_uploadedFileName; | |
| /** | |
| * The name of destination directory | |
| * | |
| * @var string | |
| * @access protected | |
| */ | |
| protected $_uploadedFileDir; | |
| /** | |
| * If this variable is set to TRUE, our library will be able to automaticaly create | |
| * non-existant directories. | |
| * | |
| * @var bool | |
| * @access protected | |
| */ | |
| protected $_allowCreateFolders = true; | |
| /** | |
| * If this variable is set to TRUE, uploaded file name will be changed if some file with the same | |
| * name already exists in the destination directory (if enabled). | |
| * | |
| * @var bool | |
| * @access protected | |
| */ | |
| protected $_allowRenameFiles = false; | |
| /** | |
| * If this variable is set to TRUE, files despersion will be supported. | |
| * | |
| * @var bool | |
| * @access protected | |
| */ | |
| protected $_enableFilesDispersion = false; | |
| /** | |
| * This variable is used both with $_enableFilesDispersion == true | |
| * It helps to avoid problems after migrating from case-insensitive file system to case-insensitive | |
| * (e.g. NTFS->ext or ext->NTFS) | |
| * | |
| * @var bool | |
| * @access protected | |
| */ | |
| protected $_caseInsensitiveFilenames = true; | |
| /** | |
| * @var string | |
| * @access protected | |
| */ | |
| protected $_dispretionPath = null; | |
| protected $_fileExists = false; | |
| protected $_allowedExtensions = null; | |
| /** | |
| * List of valid MIME-Types. | |
| * | |
| * @var array | |
| */ | |
| protected $_validMimeTypes = array(); | |
| /** | |
| * Validate callbacks storage | |
| * | |
| * @var array | |
| * @access protected | |
| */ | |
| protected $_validateCallbacks = array(); | |
| const SINGLE_STYLE = 0; | |
| const MULTIPLE_STYLE = 1; | |
| const TMP_NAME_EMPTY = 666; | |
| /** | |
| * Resulting of uploaded file | |
| * | |
| * @var array|bool Array with file info keys: path, file. Result is | |
| * FALSE when file not uploaded | |
| */ | |
| protected $_result; | |
| function __construct($fileId) | |
| { | |
| $this->_setUploadFileId($fileId); | |
| if(!file_exists($this->_file['tmp_name'])) { | |
| $code = empty($this->_file['tmp_name']) ? self::TMP_NAME_EMPTY : 0; | |
| throw new Exception('File was not uploaded.', $code); | |
| } else { | |
| $this->_fileExists = true; | |
| } | |
| } | |
| /** | |
| * After save logic | |
| * | |
| * @param array $result | |
| * @return Varien_File_Uploader | |
| */ | |
| protected function _afterSave($result) | |
| { | |
| return $this; | |
| } | |
| /** | |
| * Used to save uploaded file into destination folder with | |
| * original or new file name (if specified) | |
| * | |
| * @param string $destinationFolder | |
| * @param string $newFileName | |
| * @access public | |
| * @return void|bool | |
| */ | |
| public function save($destinationFolder, $newFileName = null) | |
| { | |
| $this->_validateFile(); | |
| if ($this->_allowCreateFolders) { | |
| $this->_createDestinationFolder($destinationFolder); | |
| } | |
| if (!is_writable($destinationFolder)) { | |
| throw new Exception('Destination folder is not writable or does not exists.'); | |
| } | |
| $this->_result = false; | |
| $destinationFile = $destinationFolder; | |
| $fileName = isset($newFileName) ? $newFileName : $this->_file['name']; | |
| $fileName = self::getCorrectFileName($fileName); | |
| if ($this->_enableFilesDispersion) { | |
| $fileName = $this->correctFileNameCase($fileName); | |
| $this->setAllowCreateFolders(true); | |
| $this->_dispretionPath = self::getDispretionPath($fileName); | |
| $destinationFile.= $this->_dispretionPath; | |
| $this->_createDestinationFolder($destinationFile); | |
| } | |
| if ($this->_allowRenameFiles) { | |
| $fileName = self::getNewFileName(self::_addDirSeparator($destinationFile) . $fileName); | |
| } | |
| $destinationFile = self::_addDirSeparator($destinationFile) . $fileName; | |
| $this->_result = $this->_moveFile($this->_file['tmp_name'], $destinationFile); | |
| if ($this->_result) { | |
| /** Fix - Changed Permissions - chmod($destinationFile, 0640); */ | |
| chmod($destinationFile, 0644); | |
| if ($this->_enableFilesDispersion) { | |
| $fileName = str_replace(DIRECTORY_SEPARATOR, '/', | |
| self::_addDirSeparator($this->_dispretionPath)) . $fileName; | |
| } | |
| $this->_uploadedFileName = $fileName; | |
| $this->_uploadedFileDir = $destinationFolder; | |
| $this->_result = $this->_file; | |
| $this->_result['path'] = $destinationFolder; | |
| $this->_result['file'] = $fileName; | |
| $this->_afterSave($this->_result); | |
| } | |
| return $this->_result; | |
| } | |
| /** | |
| * Move files from TMP folder into destination folder | |
| * | |
| * @param string $tmpPath | |
| * @param string $destPath | |
| * @return bool | |
| */ | |
| protected function _moveFile($tmpPath, $destPath) | |
| { | |
| return move_uploaded_file($tmpPath, $destPath); | |
| } | |
| /** | |
| * Validate file before save | |
| * | |
| * @access public | |
| */ | |
| protected function _validateFile() | |
| { | |
| if ($this->_fileExists === false) { | |
| return; | |
| } | |
| //is file extension allowed | |
| if (!$this->checkAllowedExtension($this->getFileExtension())) { | |
| throw new Exception('Disallowed file type.'); | |
| } | |
| /* | |
| * Validate MIME-Types. | |
| */ | |
| if (!$this->checkMimeType($this->_validMimeTypes)) { | |
| throw new Exception('Invalid MIME type.'); | |
| } | |
| //run validate callbacks | |
| foreach ($this->_validateCallbacks as $params) { | |
| if (is_object($params['object']) && method_exists($params['object'], $params['method'])) { | |
| $params['object']->$params['method']($this->_file['tmp_name']); | |
| } | |
| } | |
| } | |
| /** | |
| * Returns extension of the uploaded file | |
| * | |
| * @return string | |
| */ | |
| public function getFileExtension() | |
| { | |
| return $this->_fileExists ? pathinfo($this->_file['name'], PATHINFO_EXTENSION) : ''; | |
| } | |
| /** | |
| * Add validation callback model for us in self::_validateFile() | |
| * | |
| * @param string $callbackName | |
| * @param object $callbackObject | |
| * @param string $callbackMethod Method name of $callbackObject. It must | |
| * have interface (string $tmpFilePath) | |
| * @return Varien_File_Uploader | |
| */ | |
| public function addValidateCallback($callbackName, $callbackObject, $callbackMethod) | |
| { | |
| $this->_validateCallbacks[$callbackName] = array( | |
| 'object' => $callbackObject, | |
| 'method' => $callbackMethod | |
| ); | |
| return $this; | |
| } | |
| /** | |
| * Delete validation callback model for us in self::_validateFile() | |
| * | |
| * @param string $callbackName | |
| * @access public | |
| * @return Varien_File_Uploader | |
| */ | |
| public function removeValidateCallback($callbackName) | |
| { | |
| if (isset($this->_validateCallbacks[$callbackName])) { | |
| unset($this->_validateCallbacks[$callbackName]); | |
| } | |
| return $this; | |
| } | |
| /** | |
| * Correct filename with special chars and spaces | |
| * | |
| * @param string $fileName | |
| * @return string | |
| */ | |
| static public function getCorrectFileName($fileName) | |
| { | |
| $fileName = preg_replace('/[^a-z0-9_\\-\\.]+/i', '_', $fileName); | |
| $fileInfo = pathinfo($fileName); | |
| if (preg_match('/^_+$/', $fileInfo['filename'])) { | |
| $fileName = 'file.' . $fileInfo['extension']; | |
| } | |
| return $fileName; | |
| } | |
| /** | |
| * Convert filename to lowercase in case of case-insensitive file names | |
| * | |
| * @param string | |
| * @return string | |
| */ | |
| public function correctFileNameCase($fileName) | |
| { | |
| if ($this->_caseInsensitiveFilenames) { | |
| return strtolower($fileName); | |
| } | |
| return $fileName; | |
| } | |
| static protected function _addDirSeparator($dir) | |
| { | |
| if (substr($dir,-1) != DIRECTORY_SEPARATOR) { | |
| $dir.= DIRECTORY_SEPARATOR; | |
| } | |
| return $dir; | |
| } | |
| /** | |
| * Used to check if uploaded file mime type is valid or not | |
| * | |
| * @param array $validTypes | |
| * @access public | |
| * @return bool | |
| */ | |
| public function checkMimeType($validTypes = array()) | |
| { | |
| try { | |
| if (count($validTypes) > 0) { | |
| $validator = new Zend_Validate_File_MimeType($validTypes); | |
| return $validator->isValid($this->_file['tmp_name']); | |
| } | |
| return true; | |
| } catch (Exception $e) { | |
| return false; | |
| } | |
| } | |
| /** | |
| * Returns a name of uploaded file | |
| * | |
| * @access public | |
| * @return string | |
| */ | |
| public function getUploadedFileName() | |
| { | |
| return $this->_uploadedFileName; | |
| } | |
| /** | |
| * Used to set {@link _allowCreateFolders} value | |
| * | |
| * @param mixed $flag | |
| * @access public | |
| * @return Varien_File_Uploader | |
| */ | |
| public function setAllowCreateFolders($flag) | |
| { | |
| $this->_allowCreateFolders = $flag; | |
| return $this; | |
| } | |
| /** | |
| * Used to set {@link _allowRenameFiles} value | |
| * | |
| * @param mixed $flag | |
| * @access public | |
| * @return Varien_File_Uploader | |
| */ | |
| public function setAllowRenameFiles($flag) | |
| { | |
| $this->_allowRenameFiles = $flag; | |
| return $this; | |
| } | |
| /** | |
| * Used to set {@link _enableFilesDispersion} value | |
| * | |
| * @param mixed $flag | |
| * @access public | |
| * @return Varien_File_Uploader | |
| */ | |
| public function setFilesDispersion($flag) | |
| { | |
| $this->_enableFilesDispersion = $flag; | |
| return $this; | |
| } | |
| /** | |
| * Filenames Case-sensitivity setter | |
| * | |
| * @param mixed $flag | |
| * @return Varien_File_Uploader | |
| */ | |
| public function setFilenamesCaseSensitivity($flag) | |
| { | |
| $this->_caseInsensitiveFilenames = $flag; | |
| return $this; | |
| } | |
| public function setAllowedExtensions($extensions = array()) | |
| { | |
| foreach ((array)$extensions as $extension) { | |
| $this->_allowedExtensions[] = strtolower($extension); | |
| } | |
| return $this; | |
| } | |
| /** | |
| * Set valid MIME-types. | |
| * | |
| * @param array $mimeTypes | |
| * @return Varien_File_Uploader | |
| */ | |
| public function setValidMimeTypes($mimeTypes = array()) | |
| { | |
| $this->_validMimeTypes = array(); | |
| foreach ((array) $mimeTypes as $mimeType) { | |
| $this->_validMimeTypes[] = $mimeType; | |
| } | |
| return $this; | |
| } | |
| /** | |
| * Check if specified extension is allowed | |
| * | |
| * @param string $extension | |
| * @return boolean | |
| */ | |
| public function checkAllowedExtension($extension) | |
| { | |
| if (!is_array($this->_allowedExtensions) || empty($this->_allowedExtensions)) { | |
| return true; | |
| } | |
| return in_array(strtolower($extension), $this->_allowedExtensions); | |
| } | |
| /** | |
| * @deprecated after 1.5.0.0-beta2 | |
| * | |
| * @param string $extension | |
| * @return boolean | |
| */ | |
| public function chechAllowedExtension($extension) | |
| { | |
| return $this->checkAllowedExtension($extension); | |
| } | |
| private function _getMimeType() | |
| { | |
| return $this->_file['type']; | |
| } | |
| private function _setUploadFileId($fileId) | |
| { | |
| if (empty($_FILES)) { | |
| throw new Exception('$_FILES array is empty', self::TMP_NAME_EMPTY); | |
| } | |
| if (is_array($fileId)) { | |
| $this->_uploadType = self::MULTIPLE_STYLE; | |
| $this->_file = $fileId; | |
| } else { | |
| preg_match("/^(.*?)\[(.*?)\]$/", $fileId, $file); | |
| if (count($file) > 0 && (count($file[0]) > 0) && (count($file[1]) > 0)) { | |
| array_shift($file); | |
| $this->_uploadType = self::MULTIPLE_STYLE; | |
| $fileAttributes = $_FILES[$file[0]]; | |
| $tmp_var = array(); | |
| foreach ($fileAttributes as $attributeName => $attributeValue) { | |
| $tmp_var[$attributeName] = $attributeValue[$file[1]]; | |
| } | |
| $fileAttributes = $tmp_var; | |
| $this->_file = $fileAttributes; | |
| } elseif( count($fileId) > 0 && isset($_FILES[$fileId])) { | |
| $this->_uploadType = self::SINGLE_STYLE; | |
| $this->_file = $_FILES[$fileId]; | |
| } elseif( $fileId == '' ) { | |
| throw new Exception('Invalid parameter given. A valid $_FILES[] identifier is expected.'); | |
| } | |
| } | |
| } | |
| private function _createDestinationFolder($destinationFolder) | |
| { | |
| if (!$destinationFolder) { | |
| return $this; | |
| } | |
| if (substr($destinationFolder, -1) == DIRECTORY_SEPARATOR) { | |
| $destinationFolder = substr($destinationFolder, 0, -1); | |
| } | |
| /** Previous - fixed Permissions - if (!(@is_dir($destinationFolder) || @mkdir($destinationFolder, 0750, true))) { */ | |
| if (!(@is_dir($destinationFolder) || @mkdir($destinationFolder, 0755, true))) { | |
| throw new Exception("Unable to create directory '{$destinationFolder}'."); | |
| } | |
| return $this; | |
| } | |
| static public function getNewFileName($destFile) | |
| { | |
| $fileInfo = pathinfo($destFile); | |
| if (file_exists($destFile)) { | |
| $index = 1; | |
| $baseName = $fileInfo['filename'] . '.' . $fileInfo['extension']; | |
| while( file_exists($fileInfo['dirname'] . DIRECTORY_SEPARATOR . $baseName) ) { | |
| $baseName = $fileInfo['filename']. '_' . $index . '.' . $fileInfo['extension']; | |
| $index ++; | |
| } | |
| $destFileName = $baseName; | |
| } else { | |
| return $fileInfo['basename']; | |
| } | |
| return $destFileName; | |
| } | |
| static public function getDispretionPath($fileName) | |
| { | |
| $char = 0; | |
| $dispretionPath = ''; | |
| while (($char < 2) && ($char < strlen($fileName))) { | |
| if (empty($dispretionPath)) { | |
| $dispretionPath = DIRECTORY_SEPARATOR | |
| . ('.' == $fileName[$char] ? '_' : $fileName[$char]); | |
| } else { | |
| $dispretionPath = self::_addDirSeparator($dispretionPath) | |
| . ('.' == $fileName[$char] ? '_' : $fileName[$char]); | |
| } | |
| $char ++; | |
| } | |
| return $dispretionPath; | |
| } | |
| } |
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