/ php-ppcms/includes/classes/core.upload.class.php

<?php

/***************************************************************

*  Copyright notice

*  (c) 2009, jianyuzhu@gmail.com

*  All rights reserved

*  This script is part of the PPEMI project.

***************************************************************/



class CoreUpload {

	var $file;

	var $filename;

	var $filetype;

	var $filesize;

	var $fileerror;

	var $tmp_filename;

	var $save_filename;

	var $save_file;

	var $extension;

	

	var $destination;

	var $permissions;

	var $extensions;

	var $types;

	

	var $maxsize = 0;

	var $message_location;

	

	var $destination_type = 'random';

	var $destination_subdir;

	var $rand_filename = true;

	

	//constructor

	function CoreUpload($file = '', $destination = '', $permissions = '777', $extensions = '') {

		$this->setFile($file);

		//$this->parseExtension();

		

		$this->setDestination($destination);

		$this->setPermissions($permissions);

		$this->setExtensions($extensions);

		

		$this->setOutputMessages('direct');

		

		if( $this->_not_null($this->file) && $this->_not_null($this->destination)) {

			$this->setOutputMessages('session');

			

			if( ($this->parse() == true) && ($this->save() == true) ) {

				return true;

			} else {

				return false;

			}

		}

	}

	

	//methods

	function parse() {

		$has_error = false;

		if( isset($_FILES[$this->file]) ) {

			$file = array('name' => $_FILES[$this->file]['name'],

						'type' => $_FILES[$this->file]['type'],

						'size' => $_FILES[$this->file]['size'],

						'tmp_name' => $_FILES[$this->file]['tmp_name']);

		} elseif( isset($GLOBALS['HTTP_POST_FILES'][$this->file]) ) {

			global $HTTP_POST_FILES;

		

			$file = array('name' => $HTTP_POST_FILES[$this->file]['name'],

						'type' => $HTTP_POST_FILES[$this->file]['type'],

						'size' => $HTTP_POST_FILES[$this->file]['size'],

						'tmp_name' => $HTTP_POST_FILES[$this->file]['tmp_name']);

		} else {

			$file = array('name' => (isset($GLOBALS[$this->file . '_name']) ? $GLOBALS[$this->file . '_name'] : ''),

						'type' => (isset($GLOBALS[$this->file . '_type']) ? $GLOBALS[$this->file . '_type'] : ''),

						'size' => (isset($GLOBALS[$this->file . '_size']) ? $GLOBALS[$this->file . '_size'] : ''),

						'tmp_name' => (isset($GLOBALS[$this->file]) ? $GLOBALS[$this->file] : ''));

		}

		

		if( $this->_not_null($file['tmp_name']) && ($file['tmp_name'] != 'none') && is_uploaded_file($file['tmp_name']) ) {

			if( !empty($this->extensions) && !in_array(strtolower(substr($file['name'], strrpos($file['name'], '.')+1)), $this->extensions)) {

				$this->_ms_add('top', 'filetype_not_allowed', 'error');

				return false;

			}

			

			$this->setFile($file);

			$this->setFilename($file['name']);

			$this->parseExtension();

			$this->setFiletype($file['type']);

			$this->setTmpFilename($file['tmp_name']);

			

			if( $this->checkFile($file) == false ) {

				$has_error = true;

			}

		} else {

			$this->_ms_add('top', 'no_file_uploaded', 'warning');

			$has_error = true;

		}

		if( $has_error == true ) {

			return false;

		}

		return $this->checkDestination();

	}

	

	function save() {

		if( substr($this->destination, -1) != '/' ) {

			$this->destination .= '/';

		}

		

		if( $this->rand_filename == true || strlen($this->filename) == 0 ) {

			$this->save_filename = $this->_generate_filename();

		} else {

			//$this->save_filename = $this->filename;

			$this->save_filename = $this->_filter_filename($this->filename);

		}

		if( strlen($this->destination_subdir) > 0 ) {

			$this->save_filename = $this->destination_subdir . '/' . $this->save_filename;

		}

		$savepath = $this->destination . $this->save_filename;

		

		if( move_uploaded_file($this->file['tmp_name'], $savepath)) {

			chmod($savepath, $this->permissions);

			

			$this->save_file = $savepath;

			$this->_ms_add('top', 'file_saved_success', 'success');

			

			return true;

		} else {

			$this->_ms_add('top', 'file_not_saved', 'error');

			

			return false;

		}

	}

	

	function upload() {

		if( ($this->parse() == true) && ($this->save() == true) ) {

			return true;

		} else {

			return false;

		}

	}

	

	//

	function checkFile($file) {

		$extension = strtolower(substr($file['name'], strrpos($file['name'], '.')+1));

		$type = $file['type'];

		$size = $file['size'];

		if( $this->checkFileExt($extension) == false || $this->checkFileType($type) == false || $this->checkFileSize($size) == false ) {

			return false;

		}

		return true;

	}

	

	function checkFileExt($extension) {

		if( !empty($this->extensions) && !in_array(strtolower($extension), $this->extensions)) {

			$this->_ms_add('top', 'filetype_not_allowed', 'error');

			return false;

		}

		return true;

	}

	

	function checkFileType($type) {

		if( !empty($this->types) && !in_array(strtolower($type), $this->types) ) {

			$this->_ms_add('top', 'filetype_not_allowed', 'error');

			return false;

		}

		return true;

	}

	

	function checkFileSize($size) {

		if( $this->maxsize > 0 && $this->maxsize < $size ) {

			$this->_ms_add('top', 'filesize_not_allowed', 'error');

			return false;

		}

		return true;

	}

	

	function checkFileUploadable($file) {

		return is_uploaded_file($file);

	}

	

	function checkDestination() {

		$has_error = false;

		if( !is_writable($this->destination) ) {

			if( is_dir($this->destination) ) {

				$this->_ms_add('top', array('destination_not_writable', $this->destination), 'error');

			} else {

				$this->_ms_add('top', array('destination_not_exist', $this->destination), 'error');

			}

			$has_error = true;

		} else {

			$this->destination_subdir = '';

			if( $this->destination_type == 'month' ) {

				$this->destination_subdir = strftime("%Y%m", time());

			} elseif( $this->destination_type == 'day' ) {

				$this->destination_subdir = strftime("%Y%m%d", time());

			} elseif( $this->destination_type == 'random' ) {

				$this->destination_subdir = substr(md5(strftime("%Y%m", time())), 0, 6);

			}

			$this->destination_subdir = trim($this->destination_subdir);

			if( strlen($this->destination_subdir) > 0 ) {

				if( !is_dir($this->destination . $this->destination_subdir . '/') ) {

					@mkdir($this->destination . $this->destination_subdir . '/');

				}

				if( !is_writable($this->destination . $this->destination_subdir . '/') ) {

					if( is_dir($this->destination . $this->destination_subdir . '/') ) {

						$this->_ms_add('top', array('destination_not_writable', $this->destination . $this->destination_subdir . '/'), 'error');

					} else {

						$this->_ms_add('top', array('destination_not_exist', $this->destination . $this->destination_subdir . '/'), 'error');

					}

					$has_error = true;

				}

			}

		}

		if( $has_error == true ) {

			return false;

		}

		return true;

	}

	

	function parseExtension() {

		if( $this->filename ) {

			$this->extension = strtolower(substr($this->filename, strrpos($this->filename, '.')+1));

		} else {

			$this->extension = strtolower(substr($this->file['name'], strrpos($this->file['name'], '.')+1));

		}

	}

	

	//SETTER/GETTER

	function setFile($file) {

		$this->file = $file;

	}

	

	function getFile() {

		return $this->file;

	}

	

	function set_rand_filename($is_rand = true) {

		if( $is_rand == true ) {

			$this->rand_filename = true;

		} else {

			$this->rand_filename = false;

		}

	}

	

	function setRandFilename($is_rand = true) {

		if( $is_rand == true ) {

			$this->rand_filename = true;

		} else {

			$this->rand_filename = false;

		}

	}

	

	function getRandFilename() {

		return $this->rand_filename;

	}

	

	function setExtension($extension) {

		$this->extension = $extension;

	}

	

	function getExtension() {

		return $this->extension;

	}

	

	function setDestination($destination) {

		$this->destination = $destination;

	}

	

	function getDestination() {

		return $this->destinaction;

	}

	

	function setDestinationType($destination_type) {

		$this->destination_type = $destination_type;

	}

	

	function getDestinationType() {

		return $this->destination_type;

	}

	

	function setDestinationSubDir($destination_subdir) {

		$this->destination_subdir = $destination_subdir;

	}

	

	function getDestinationSubDir() {

		return $this->destination_subdir;

	}

	

	function setPermissions($permissions) {

		$this->permissions = octdec($permissions);

	}

	

	function getPermissions() {

		return $this->permissions;

	}

	

	function setFilename($filename) {

		$this->filename = $filename;

	}

	

	function getFilename() {

		return $this->filename;

	}

	

	function setFiletype($filetype) {

		$this->filetype = $filetype;

	}

	

	function getFiletype() {

		return $this->filetype;

	}

	

	function setTmpFilename($filename) {

		$this->tmp_filename = $filename;

	}

	

	function getTmpFilename() {

		return $this->tmp_filename;

	}

	

	function getSaveFilename() {

		return $this->save_filename;

	}

	

	function setExtensions($extensions) {

		if( $this->_not_null($extensions) ) {

			if( is_array($extensions) ) {

				$this->extensions = $extensions;

			} else {

				$this->extensions = array($extensions);

			}

		} else {

			$this->extensions = array();

		}

	}

	

	function getExtensions() {

		return $this->extensions;

	}

	

	function setOutputMessages($location) {

		switch($location) {

			case 'session':

				$this->message_location = 'session';

				break;

			case 'direct':

			default:

				$this->message_location = 'direct';

				break;

		}

	}

	

	function getOutputMessages() {

		return $this->message_location;

	}

	

	function getMessages() {

		return $this->_messagestacks;

	}

	

	//private

	function _not_null($value) {

		return util_not_null($value);

	}

	

	function _random() {

		return util_create_random_value('8', 'mixed');

	}

	

	function _generate_filename() {

		//return md5(time()) . '.' . $this->extension;

		return substr(md5(time()), 0, 16) . '_' . $this->_random() . '.' . $this->extension;

	}

	

	function _filter_filename($filename = '', $check = true, $rand = false) {

		if( $filename == '' ) {

			$filename = $this->filename;

		}

		$name = $filename;

		$filename = substr($filename, 0, -(strlen($this->extension)+1));

		$filename = stripslashes($filename);

		$filename = trim(ereg_replace("[^A-Za-z0-9\-\_]", " ", $filename));

		$filename = ereg_replace("( {1,})", "-", $filename);

		$filename = trim(substr($filename, 0, 50));

		if( $rand == true ) {

			$filename .= '_' . $this->_random();

		}

		$filename .= '.' . $this->extension;

		

		if( $check == true ) {

			if( strlen($this->destination_subdir) > 0 ) {

				$savefile = $this->destination . $this->destination_subdir . '/' . $filename;

			} else {

				$savefile = $this->destination . '/' . $filename;

			}

			if( file_exists($savefile) ) {

				$filename = $this->_filter_filename($name, $check, true);

			}

		}

		

		return $filename;

	}

	

	function _ms_add($class, $message, $type = 'error') {

		global $messagestackObj;

		

		if( is_array($message) ) {

			$message = sprintf(_lang($message['0'], 'upload'), $message['1']);

		} else {

			$message = _lang($message, 'upload');

		}

		

		if( $this->message_location != 'direct' && is_object($messagestackObj) ) {

			$messagestackObj->add($class, $message, $type);

		} else {

			$this->_messagestacks[] = array('class' => $class, 'message' => $message, 'type' => $type);

		}

	}

	

	function _ms_add_session($class, $message, $type = 'error') {

		global $messagestackObj;

		

		if( is_array($message) ) {

			$message = sprintf(_lang($message['0'], 'upload'), $message['1']);

		} else {

			$message = _lang($message, 'upload');

		}

		

		if( $this->message_location != 'direct' && is_object($messagestackObj) ) {

			$messagestackObj->add_session($class, $message, $type);

		} else {

			$this->_messagestacks[] = array('class' => $class, 'message' => $message, 'type' => $type);

		}

	}

}



//MultiUpload

class CoreMultiUpload {

	var $file;

	var $filename;

	var $filetype;

	var $filesize;

	var $fileerror;

	var $tmp_filename;

	var $save_filename;

	var $save_file;

	var $extension;

	

	var $destination;

	var $permissions;

	var $extensions;

	var $types;

	

	var $maxsize = 0;

	var $message_location;

	

	var $destination_type = 'random';

	var $destination_subdir;

	var $rand_filename = true;

	

	//constructor

	function CoreMultiUpload($file = '', $destination = '', $permissions = '777', $extensions = '') {

		$this->setFile($file);

		//$this->parseExtension();

		

		$this->setDestination($destination);

		$this->setPermissions($permissions);

		$this->setExtensions($extensions);

		

		$this->setOutputMessages('direct');

		

		if( $this->_not_null($this->file) && $this->_not_null($this->destination)) {

			$this->setOutputMessages('session');

			

			if( ($this->parse() == true) && ($this->save() == true) ) {

				return true;

			} else {

				return false;

			}

		}

	}

	

	//methods

	function parse() {

		$has_error = false;

		

		if( substr($this->destination, -1) != '/' ) {

			$this->destination .= '/';

		}

		

		if( isset($_FILES[$this->file]) ) {

			$file = array('name' => $_FILES[$this->file]['name'],

						'type' => $_FILES[$this->file]['type'],

						'size' => $_FILES[$this->file]['size'],

						'tmp_name' => $_FILES[$this->file]['tmp_name']);

		} elseif( isset($GLOBALS['HTTP_POST_FILES'][$this->file]) ) {

			global $HTTP_POST_FILES;

		

			$file = array('name' => $HTTP_POST_FILES[$this->file]['name'],

						'type' => $HTTP_POST_FILES[$this->file]['type'],

						'size' => $HTTP_POST_FILES[$this->file]['size'],

						'tmp_name' => $HTTP_POST_FILES[$this->file]['tmp_name']);

		} else {

			$file = array('name' => (isset($GLOBALS[$this->file . '_name']) ? $GLOBALS[$this->file . '_name'] : ''),

						'type' => (isset($GLOBALS[$this->file . '_type']) ? $GLOBALS[$this->file . '_type'] : ''),

						'size' => (isset($GLOBALS[$this->file . '_size']) ? $GLOBALS[$this->file . '_size'] : ''),

						'tmp_name' => (isset($GLOBALS[$this->file]) ? $GLOBALS[$this->file] : ''));

		}

		

		if( is_array($file['tmp_name']) ) {

			foreach($file['tmp_name'] as $k => $v) {

				if( $this->_not_null($v) && ($v != 'none') && is_uploaded_file($v) ) {

					if( !empty($this->extensions) && !in_array(strtolower(substr($v, strrpos($v, '.')+1)), $this->extensions)) {

						$this->_ms_add('top', 'filetype_not_allowed', 'error');

						$has_error = true;

					}

				

					$this->setFile($file);

					$this->setFilename($file['name']);

					//$this->parseExtension($file['name'][$k]);

					$this->setFiletype($file['type']);

					$this->setFilesize($file['size']);

					$this->setTmpFilename($file['tmp_name']);

				} else {

					$this->_ms_add('top', 'no_file_uploaded', 'warning');

					//$has_error = true;

				}

			}

		} else {

			if( $this->_not_null($file['tmp_name']) && ($file['tmp_name'] != 'none') && is_uploaded_file($file['tmp_name']) ) {

				if( !empty($this->extensions) && !in_array(strtolower(substr($file['name'], strrpos($file['name'], '.')+1)), $this->extensions)) {

					$this->_ms_add('top', 'filetype_not_allowed', 'error');

					$has_error = true;

				}

			

				$this->setFile($file);

				$this->setFilename($file['name']);

				$this->parseExtension();

				$this->setFiletype($file['type']);

				$this->setFilesize($file['size']);

				$this->setTmpFilename($file['tmp_name']);

				

				if( $this->checkFile($file) == false ) {

					$has_error = true;

				}

			} else {

				$this->_ms_add('top', 'no_file_uploaded', 'warning');

				$has_error = true;

			}

		}

		if( $has_error == true ) {

			return false;

		}

		return $this->checkDestination();

	}

	

	function save() {

		if( is_array($this->file['tmp_name']) ) {

			foreach($this->file['tmp_name'] as $k => $v) {

				$this->parseExtension($this->file['name'][$k]);

				if( $this->rand_filename == true || strlen($this->filename[$k]) == 0 ) {

					$save_filename = $this->_generate_filename();

				} else {

					$save_filename = $this->filename[$k];

					$save_filename = $this->_filter_filename($save_filename);

				}

				

				if( strlen($this->destination_subdir) > 0 ) {

					$save_filename = $this->destination_subdir . '/' . $save_filename;

				}

				$savepath = $this->destination . $save_filename;

				

				if( move_uploaded_file($v, $savepath) ) {

					chmod($savepath, $this->permissions);

					

					$this->save_filename[] = $save_filename;

					$this->save_file[] = $savepath;

					

					$this->_ms_add('top', 'file_saved_success', 'success');

				} else {

					$this->save_filename[] = '';

					$this->save_file[] = '';

					

					$this->_ms_add('top', 'file_not_saved', 'error');

				}

			}

				

			return true;

		} else {

			if( $this->rand_filename == true || strlen($this->filename) == 0 ) {

				$this->save_filename = $this->_generate_filename();

			} else {

				//$this->save_filename = $this->filename;

				$this->save_filename = $this->_filter_filename($this->filename);

			}

			if( strlen($this->destination_subdir) > 0 ) {

				$this->save_filename = $this->destination_subdir . '/' . $this->save_filename;

			}

			$savepath = $this->destination . $this->save_filename;

			if( move_uploaded_file($this->file['tmp_name'], $savepath) ) {

				chmod($savepath, $this->permissions);

				

				$this->save_file = $savepath;

				$this->_ms_add('top', 'file_saved_success', 'success');

				return true;

			} else {

				$this->_ms_add('top', 'file_not_saved', 'error');

				return false;

			}

		}

	}

	

	function upload() {

		if( ($this->parse() == true) && ($this->save() == true) ) {

			return true;

		} else {

			return false;

		}

	}

	

	//

	function checkFile($file) {

		$extension = strtolower(substr($file['name'], strrpos($file['name'], '.')+1));

		$type = $file['type'];

		$size = $file['size'];

		if( $this->checkFileExt($extension) == false || $this->checkFileType($type) == false || $this->checkFileSize($size) == false ) {

			return false;

		}

		return true;

	}

	

	function checkFileExt($extension) {

		if( !empty($this->extensions) && !in_array(strtolower($extension), $this->extensions)) {

			$this->_ms_add('top', 'filetype_not_allowed', 'error');

			return false;

		}

		return true;

	}

	

	function checkFileType($type) {

		if( !empty($this->types) && !in_array(strtolower($type), $this->types) ) {

			$this->_ms_add('top', 'filetype_not_allowed', 'error');

			return false;

		}

		return true;

	}

	

	function checkFileSize($size) {

		if( $this->maxsize > 0 && $this->maxsize <= $size ) {

			$this->_ms_add('top', 'filesize_not_allowed', 'error');

			return false;

		}

		return true;

	}

	

	function checkFileUploadable($file) {

		return is_uploaded_file($file);

	}

	

	function checkDestination() {

		$has_error = false;

		if( !is_writable($this->destination) ) {

			if( is_dir($this->destination) ) {

				$this->_ms_add('top', array('destination_not_writable', $this->destination), 'error');

			} else {

				$this->_ms_add('top', array('destination_not_exist', $this->destination), 'error');

			}

			$has_error = true;

		} else {

			$this->destination_subdir = '';

			if( $this->destination_type == 'month' ) {

				$this->destination_subdir = strftime("%Y%m", time());

			} elseif( $this->destination_type == 'day' ) {

				$this->destination_subdir = strftime("%Y%m%d", time());

			} elseif( $this->destination_type == 'random' ) {

				$this->destination_subdir = substr(md5(strftime("%Y%m", time())), 0, 6);

			}

			$this->destination_subdir = trim($this->destination_subdir);

			if( strlen($this->destination_subdir) > 0 ) {

				if( !is_dir($this->destination . $this->destination_subdir . '/') ) {

					@mkdir($this->destination . $this->destination_subdir . '/');

				}

				if( !is_writable($this->destination . $this->destination_subdir . '/') ) {

					if( is_dir($this->destination . $this->destination_subdir . '/') ) {

						$this->_ms_add('top', array('destination_not_writable', $this->destination . $this->destination_subdir . '/'), 'error');

					} else {

						$this->_ms_add('top', array('destination_not_exist', $this->destination . $this->destination_subdir . '/'), 'error');

					}

					$has_error = true;

				}

			}

		}

		if( $has_error == true ) {

			return false;

		}

		return true;

	}

	

	function parseExtension($filename = '') {

		if( $filename == '' ) {

			if( $this->filename ) {

				$this->extension = strtolower(substr($this->filename, strrpos($this->filename, '.')+1));

			} else {

				if( !is_array($this->file['name']) ) {

					$this->extension = strtolower(substr($this->file['name'], strrpos($this->file['name'], '.')+1));

				}

			}

		} else {

			$this->extension = strtolower(substr($filename, strrpos($filename, '.')+1));

		}

	}

	

	//SETTER/GETTER

	function setFile($file) {

		$this->file = $file;

	}

	

	function getFile() {

		return $this->file;

	}

	

	function set_rand_filename($is_rand = true) {

		if( $is_rand == true ) {

			$this->rand_filename = true;

		} else {

			$this->rand_filename = false;

		}

	}

	

	function setRandFilename($is_rand = true) {

		if( $is_rand == true ) {

			$this->rand_filename = true;

		} else {

			$this->rand_filename = false;

		}

	}

	

	function getRandFilename() {

		return $this->rand_filename;

	}

	

	function setExtension($extension) {

		$this->extension = $extension;

	}

	

	function getExtension() {

		return $this->extension;

	}

	

	function setDestination($destination) {

		$this->destination = $destination;

	}

	

	function getDestination() {

		return $this->destinaction;

	}

	

	function setDestinationType($destination_type) {

		$this->destination_type = $destination_type;

	}

	

	function getDestinationType() {

		return $this->destination_type;

	}



	

	function setDestinationSubDir($destination_subdir) {

		$this->destination_subdir = $destination_subdir;

	}

	

	function getDestinationSubDir() {

		return $this->destination_subdir;

	}

	

	function setPermissions($permissions) {

		$this->permissions = octdec($permissions);

	}

	

	function getPermissions() {

		return $this->permissions;

	}

	

	function setFilename($filename) {

		$this->filename = $filename;

	}

	

	function getFilename() {

		return $this->filename;

	}

	

	function setFiletype($filetype) {

		$this->filetype = $filetype;

	}

	

	function getFilesize() {

		return $this->filesize;

	}

	

	function setFilesize($filesize) {

		$this->filesize = $filesize;

	}

	

	function getFiletype() {

		return $this->filetype;

	}

	

	function setTmpFilename($filename) {

		$this->tmp_filename = $filename;

	}

	

	function getTmpFilename() {

		return $this->tmp_filename;

	}

	

	function getSaveFilename() {

		return $this->save_filename;

	}

	

	function setExtensions($extensions) {

		if( $this->_not_null($extensions) ) {

			if( is_array($extensions) ) {

				$this->extensions = $extensions;

			} else {

				$this->extensions = array($extensions);

			}

		} else {

			$this->extensions = array();

		}

	}

	

	function getExtensions() {

		return $this->extensions;

	}

	

	function setOutputMessages($location) {

		switch($location) {

			case 'session':

				$this->message_location = 'session';

				break;

			case 'direct':

			default:

				$this->message_location = 'direct';

				break;

		}

	}

	

	function getOutputMessages() {

		return $this->message_location;

	}

	

	function getMessages() {

		return $this->_messagestacks;

	}

	

	//private

	function _not_null($value) {

		return util_not_null($value);

	}

	

	function _random() {

		return util_create_random_value('8', 'mixed');

	}

	

	function _generate_filename() {

		//return md5(time()) . '.' . $this->extension;

		return substr(md5(time()), 0, 16) . '_' . $this->_random() . '.' . $this->extension;

	}

	

	function _filter_filename($filename = '', $check = true, $rand = false) {

		if( $filename == '' ) {

			$filename = $this->filename;

		}

		$name = $filename;

		$filename = substr($filename, 0, -(strlen($this->extension)+1));

		$filename = stripslashes($filename);

		$filename = trim(ereg_replace("[^A-Za-z0-9\-\_]", " ", $filename));

		$filename = ereg_replace("( {1,})", "-", $filename);

		$filename = trim(substr($filename, 0, 50));

		if( $rand == true ) {

			$filename .= '_' . $this->_random();

		}

		$filename .= '.' . $this->extension;

		

		if( $check == true ) {

			if( strlen($this->destination_subdir) > 0 ) {

				$savefile = $this->destination . $this->destination_subdir . '/' . $filename;

			} else {

				$savefile = $this->destination . '/' . $filename;

			}

			if( file_exists($savefile) ) {

				$filename = $this->_filter_filename($name, $check, true);

			}

		}

		

		return $filename;

	}

	

	function _ms_add($class, $message, $type = 'error') {

		global $messagestackObj;

		

		if( is_array($message) ) {

			$message = sprintf(_lang($message['0'], 'upload'), $message['1']);

		} else {

			$message = _lang($message, 'upload');

		}

		

		if( $this->message_location != 'direct' && is_object($messagestackObj) ) {

			$messagestackObj->add($class, $message, $type);

		} else {

			$this->_messagestacks[] = array('class' => $class, 'message' => $message, 'type' => $type);

		}

	}

	

	function _ms_add_session($class, $message, $type = 'error') {

		global $messagestackObj;

		

		if( is_array($message) ) {

			$message = sprintf(_lang($message['0'], 'upload'), $message['1']);

		} else {

			$message = _lang($message, 'upload');

		}

		

		if( $this->message_location != 'direct' && is_object($messagestackObj) ) {

			$messagestackObj->add_session($class, $message, $type);

		} else {

			$this->_messagestacks[] = array('class' => $class, 'message' => $message, 'type' => $type);

		}

	}

}

//

?>