From 1261c73ff087901ab395603ec6f8db7f4cf8305e Mon Sep 17 00:00:00 2001
From: zyx0814 <zyx0814@163.com>
Date: Tue, 15 Aug 2023 14:51:59 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=20=E4=BB=BB=E6=84=8F?=
 =?UTF-8?q?=E6=96=87=E4=BB=B6=E5=88=A0=E9=99=A4=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 core/class/dzz/dzz_io.php | 974 +++++++++++++++++++-------------------
 1 file changed, 492 insertions(+), 482 deletions(-)

diff --git a/core/class/dzz/dzz_io.php b/core/class/dzz/dzz_io.php
index c364310..38c35a4 100644
--- a/core/class/dzz/dzz_io.php
+++ b/core/class/dzz/dzz_io.php
@@ -1,482 +1,492 @@
-<?php
-/*
- * @copyright   Leyun internet Technology(Shanghai)Co.,Ltd
- * @license     http://www.dzzoffice.com/licenses/license.txt
- * @package     DzzOffice
- * @link        http://www.dzzoffice.com
- * @author      zyx(zyx@dzz.cc)
- */
-
-if(!defined('IN_DZZ')) {
-	exit('Access Denied');
-}
-
-
-
-class dzz_io
-{
-	protected function initIO($path){
-		$path=self::clean($path);
-		$bzarr=explode(':',$path);
-		$allowbz=C::t('connect')->fetch_all_bz();//array('baiduPCS','ALIOSS','dzz','JSS','disk');
-		if(strpos($path,'dzz::')!==false){
-			$classname= 'io_dzz';
-		}elseif(strpos($path,'attach::')!==false){
-			$classname= 'io_dzz';
-		}elseif(strpos($path,'TMP::')!==false){
-			$classname= 'io_dzz';
-		}elseif(is_numeric($bzarr[0])){
-			$classname= 'io_dzz';
-		}elseif(in_array($bzarr[0],$allowbz)){
-			$classname= 'io_'.$bzarr[0];
-		}elseif(preg_match('/\w{32}/i',$path)){
-			$classname = 'io_dzz';
-		}else{
-			return false;
-		}
-
-		return new $classname($path);
-	}
-	function MoveToSpace($path,$attach,$ondup='overwrite'){
-		$path=self::clean($path);
-		if($io=self::initIO($path)){
-			return $io->MoveToSpace($path,$attach,$ondup);
-		}else{
-			return false;
-		}
-	}
-	function authorize($bz,$refer=''){
-		if($io=self::initIO($bz)){
-			$io->authorize($refer);
-		}
-	}
-	function getQuota($bz){
-		if($io=self::initIO($bz)){
-			return $io->getQuota($bz);
-		}else{
-			return false;
-		}
-	}
-	function chmod($path,$chmod,$son=0){
-		if($io=self::initIO($path)){
-			return $io->chmod($path,$chmod,$son);
-		}else{
-			return false;
-		}
-	}
-	function parsePath($path){
-		$path=self::clean($path);
-		if($io=self::initIO($path)){
-			return $io->parsePath($path);
-		}else{
-			return false;
-		}
-	}
-	function output_thumb($file,$mine='image/JPEG'){//根据文件地址，输出图像流
-		global $_G;
-		$last_modified_time = filemtime($file);
-		if($last_modified_time){
-            $etag = md5_file($file);
-            header("Last-Modified: " . gmdate("D, d M Y H:i:s", $last_modified_time) . " GMT");
-            header("Etag: $etag");
-            if (@strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) == $last_modified_time ||
-                trim($_SERVER['HTTP_IF_NONE_MATCH']) == $etag
-            ) {
-                header("HTTP/1.1 304 Not Modified");
-                exit;
-            }
-		}
-		/*if(!$last_modified_time) $last_modified_time = TIMESTAMP;*/
-		@header('cache-control:public');
-		header('Content-Type: '.$mine);
-		@ob_end_clean();
-		if (getglobal('gzipcompress')) @ob_start('ob_gzhandler');
-		@readfile($file);
-		@flush();
-		@ob_flush();
-		exit();
-	}
-	//获取缩略图
-	function getThumb($path,$width,$height,$original,$returnurl=false,$thumbtype = 1){
-		$path=self::clean($path);
-		if($io=self::initIO($path)) return $io->getThumb($path,$width,$height,$original,$returnurl,$thumbtype);
-	}
-	/*
-	 *通过icosdata获取folderdata数据	
-	*/
-	function getFolderByIcosdata($icosdata){ 
-		if($io=self::initIO($icosdata['path']))	return $io->getFolderByIcosdata($icosdata);
-		else return false;
-	}
-	//获取icosdata数组；
-	//$path: 路径
-	//$force==1时不使用api的缓存数据，强制重新获取api数据；
-	//$bz==''是表示获取的是本地；此时path为icoid；
-	function getMeta($path,$force=0){
-		$path=self::clean($path);
-		if($io=self::initIO($path))	return $io->getMeta($path,$force);
-		else return false;
-	}
-	//重命名文件
-	function rename($path,$newname){ 
-		$path=self::clean($path);
-		$newname=self::name_filter($newname);
-		if($io=self::initIO($path)){
-            $return =  $io->rename($path,$newname);
-            Hook::listen('renameafter_updateindex',$return);
-            return $return;
-		}
-		else return false;
-	}
-	
-	
-	//根据路径获取目录树的数据；
-	function getFolderDatasByPath($path){ 
-		$path=self::clean($path);
-		if($io=self::initIO($path))	return $io->getFolderDatasByPath($path);
-		else return false;
-	}
-	
-	
-	//获取文件流；
-	//$path: 路径
-	public function getStream($path,$fop=0){
-		$path=self::clean($path);
-		$io=self::initIO($path);
-		if($io)	return $io->getStream($path,$fop);
-		else return $path;
-	}
-	//获取文件地址；
-	//$path: 路径
-	function getFileUri($path,$fop=0){ 
-		$path=self::clean($path);
-		if($io=self::initIO($path))	return $io->getFileUri($path,$fop);
-		else return $path;
-	}
-	
-	/**
-	 * 获取指定文件夹下的文件列表
-	 * @param string $path 文件路径
-	 * @param string $by 排序字段，缺省根据文件类型排序，time（修改时间），name（文件名），size（大小，注意目录无大小）
-	 * @param string $order asc或desc，缺省采用降序排序
-	 * @param string $limit 返回条目控制，参数格式为：n1-n2。返回结果集的[n1, n2)之间的条目，缺省返回所有条目。n1从0开始。
-	 * @param string $force 读取缓存，大于0：忽略缓存，直接调用api数据，常用于强制刷新时。
-	 * @return icosdatas
-	 */
-	function listFiles($path,$by='time',$order='DESC',$limit='',$force=0){  
-		$path=self::clean($path);
-		if($io=self::initIO($path))	return $io->listFiles($path,$by,$order,$limit,$force);
-		else return false;
-	}
-	
-	//目标位置新建内容
-	//$path:原路径
-	//$container:目标位置；
-	//$tbz:目标api；
-	//返回：
-	//$icosdata数组；
-	function CopyTo($opath,$path,$iscopy=0,$force=0){
-		$path=self::clean($path);
-		$opath=self::clean($opath);
-		if($io=self::initIO($opath)) return $io->CopyTo($opath,$path,$iscopy,$force);
-		else return false;
-	}
-
-	/**
-	 * 删除指定的元素
-	 * @param string $opath 被移动的文件路径
-	 * @param string $path 目标位置（可能是同一api内或跨api，这两种情况分开处理）
-	 * @return icosdatas
-	 */
-	public function DeleteByData($data,$force = false){
-		$havesubitem=0;
-		if(isset($data['contents'])){
-			foreach($data['contents'] as $key => $value){
-				$return=self::DeleteByData($value);
-				if(intval($return['delete'])<1) {
-					$havesubitem=1;
-				}
-				$data['contents'][$key]=$return;
-			}
-		}
-		if($data['success']===true && !$havesubitem){
-			
-			if($data['icoid']==$data['newdata']['icoid']){
-				$data['newdata']['move']=1;
-			}else{
-				$arr=IO::Delete($data['path']);
-				if($arr['icoid']) $data['delete']=1;
-				else $data['success']=$arr['error'];
-			}
-		}
-		return $data;
-	}
-	
-	//添加目录
-	//$fname：目录名称;
-	//$path：目录位置路径，如果是本地，$path 为pfid
-	function CreateFolder($path,$fname,$perm=0,$params=array(),$ondup='newcopy',$force=false){
-		$path=self::clean($path);//11
-		$fname=self::name_filter($fname);
-		if($io=self::initIO($path))	return $io->CreateFolder($path,$fname,$perm,$params,$ondup,$force);
-		else return false;
-	}
-	//添加多层目录
-	//$fid：父级目录id;
-	//$path：目录位置路径，如aaa/bbb/ccc
-	function CreateFolderByPath($path,$fid,$bz='dzz',$params=array()){
-		$path=self::clean($path);
-		if($io=self::initIO($bz))	{
-			return $io->CreateFolderByPath($path,$fid,$params);
-		}
-		else return false;
-	}
-	/*将文件缓存到本地,并且返回本地的访问地址*/
-	function cacheFile($data){
-		global $_G;
-		$subdir = $subdir1 = $subdir2 = '';
-		$subdir1 = date('Ym');
-		$subdir2 = date('d');
-		$subdir = $subdir1.'/'.$subdir2.'/';
-		$target1='dzzcache/'.$subdir.'index.html';
-		$target='dzzcache/'.$subdir.random(10);
-		$target_attach=$_G['setting']['attachdir'].$target1;
-		$targetpath = dirname($target_attach);
-		dmkdir($targetpath);
-		if(file_put_contents($target,$data)){
-			return $target;
-		}else{
-			return false;
-		}
-	}
-	
-	//获取文件数据
-	//$data：文件的信息数组 
-	//返回我文件data；
-	function getFileContent($path){
-		$path=self::clean($path);
-		if($io=self::initIO($path))	return $io->getFileContent($path);
-		else return false;
-	}
-	//覆盖文件内容
-	//$data：文件的信息数组 
-	//返回我文件data；
-	function setFileContent($path,$data,$force=false,$nocover = true){
-		$path=self::clean($path);
-		if($io=self::initIO($path))	{
-		    if($data = $io->setFileContent($path,$data,$force,$nocover)){
-		    	$filedata = $data;
-                \Hook::listen('setfilecontent_after', $filedata);
-                return $data;
-			}else{
-                return false;
-			}
-
-		}
-		else return false;
-	}
-	
-	//分片上传文件；
-	//$path: 路径
-	function multiUpload($file,$path,$filename,$attach=array(),$ondup="newcopy"){
-		$path=self::clean($path);
-		$filename=self::name_filter($filename);
-		if($io=self::initIO($path))	return $io->multiUpload($file,$path,$filename,$attach,$ondup);
-		else return false;
-	}
-	
-	//添加文件
-	//$fileContent：源文件数据;
-	//$container：目标位置;
-	//$bz：api;
-	function upload($fileContent,$path,$filename){
-		$path=self::clean($path);
-		$filename=self::name_filter($filename);
-		if($io=self::initIO($path)){
-            $return = $io->upload($fileContent,$path,$filename);
-            Hook::listen('createafter_addindex',$return);
-            return $return;
-		}
-		else return false;
-	}
-	
-	function upload_by_content($fileContent,$path,$filename,$partinfo=array()){
-		$path=self::clean($path);
-		$filename=self::name_filter($filename);
-		if($io=self::initIO($path)){
-            $return =  $io->upload_by_content($fileContent,$path,$filename,$partinfo);
-            Hook::listen('createafter_addindex',$return);
-            return $return;
-		}
-		else return false;
-	}
-	
-	public function uploadStream($file,$name,$path,$relativePath='',$content_range=''){
-	  	$path=self::clean(urldecode($path));
-		$name=self::name_filter(urldecode($name));
-	  	$relativePath=self::clean(urldecode($relativePath));
-	 	if($io=self::initIO($path)) {
-            $return=$io->uploadStream($file,$name,$path,$relativePath,$content_range);
-            Hook::listen('createafter_addindex',$return['icoarr'][0]);
-            return $return;
-		}
-	 	else return false;
-  }
-	
-	function Delete($path,$force=false){
-		$path=self::clean($path);
-		if($io=self::initIO($path))	{
-			$return =  $io->Delete($path,$force);
-			Hook::listen("deleteafter_delindex",$return);
-			return $return;
-		}
-		else return false;
-	}
-	//恢复文件
-	function Recover($path,$combine=true,$force=false){
-		$path=self::clean($path);
-		if($io=self::initIO($path))	{
-			return $io->Recover($path,$combine,$force);
-		}
-		else return false;
-	}
-	
- //获取不重复的目录名称
-  public function getFolderName($fname,$path){
-	  $path=self::clean($path);
-	  $fname=self::name_filter($fname);
-	  if($io=self::initIO($path))	  return $io->getFolderName($fname,$path);
-	  else return false;
-  }
-  
- 
-  public function download($paths,$filename='',$checkperm = true){
-  		 $paths = (array)$paths;
-		 $paths=self::clean($paths);
-		 if($io=self::initIO($paths[0]))  $io->download($paths,$filename,$checkperm);
-		 else return false;
-	 }
-	 
-	public function getCloud($bz){
-		$bzarr=explode(':',$bz);
-		$cloud=DB::fetch_first("select * from ".DB::table('connect')." where bz='{$bzarr[0]}'");
-		if($cloud['type']=='pan'){
-			$root=DB::fetch_first("select * from ".DB::table($cloud['dname'])." where  id='{$bzarr[1]}'");
-			if(!$root['cloudname']) $root['cloudname']=$cloud['name'].':'.($root['cusername']?$root['cusername']:$root['cuid']);
-		}elseif($cloud['type']=='storage'){
-			$root=DB::fetch_first("select * from ".DB::table($cloud['dname'])." where id='{$bzarr[1]}'");
-			$root['access_id']=authcode($root['access_id'],'DECODE',$root['bz']);
-			if(!$root['cloudname']) $root['cloudname']=$cloud['name'].':'.($root['bucket']?$root['bucket']:cutstr($root['access_id'], 4, $dot = ''));
-		}elseif($cloud['type']=='ftp'){
-			$root=DB::fetch_first("select * from ".DB::table($cloud['dname'])." where id='{$bzarr[1]}'");
-		}elseif($cloud['type']=='disk'){
-			$root=DB::fetch_first("select * from ".DB::table($cloud['dname'])." where id='{$bzarr[1]}'");
-		}else{
-			$root=DB::fetch_first("select * from ".DB::table($cloud['dname'])." where id='{$bzarr[1]}'");
-		}
-		$root['cloudtype']=$cloud['type'];
-		return $root;
-	}
-	
-	public function clean($str) {//清除路径
-		if(is_array($str)){
-			foreach($str as $key=> $value){
-				$str[$key]=str_replace(array( "\n", "\r", '../'), '', $value);
-			}
-		}else{
-			$str= str_replace(array( "\n", "\r", '../'), '', $str);
-		}
-		return $str;
-	}
-	public function name_filter($name){
-		return str_replace(array('/','\\',':','*','?','<','>','|','"',"\n"),'',$name);
-	}
-	public function saveToAttachment($file_path,$filename,$tospace=1,$width=256,$height=256) {
-        $md5=md5_file($file_path);
-		$filesize=filesize($file_path);
-		if($md5 && $attach=DB::fetch_first("select * from %t where md5=%s and filesize=%d",array('attachment',$md5,$filesize))){
-			$attach['filename']=$filename;
-			$pathinfo = pathinfo($filename);
-			$ext = $pathinfo['extension']?$pathinfo['extension']:'';
-			$attach['filetype']=$ext;
-			if(in_array(strtolower($attach['filetype']),array('png','jpeg','jpg','gif','bmp'))){
-				$attach['img']=C::t('attachment')->getThumbByAid($attach,$width,$height);
-				$attach['isimage']=1;
-			}else{
-				//$attach['img']=geticonfromext($ext);
-				$attach['isimage']=0;
-			}
-			//$attach['ffilesize']=formatsize($tattach['filesize']);
-			@unlink($file_path);
-			return $attach;
-		}else{
-			$target=self::getPath($filename);
-			$pathinfo = pathinfo($filename);
-			$ext = $pathinfo['extension']?$pathinfo['extension']:'';
-			if($ext && in_array(strtolower($ext) ,getglobal('setting/unRunExts'))){
-				$unrun=1;
-			}else{
-				$unrun=0;
-			}
-			$filepath=getglobal('setting/attachdir').$target;
-			$handle=fopen($file_path, 'r');
-			$handle1=fopen($filepath,'w');
-			while (!feof($handle)) {
-			   fwrite($handle1,fread($handle, 8192));
-			}
-			fclose($handle);
-			fclose($handle1);
-			@unlink($file_path);
-			
-			$filesize=filesize($filepath);
-			$remote=0;
-			
-        	$attach=array(
-			
-				'filesize'=>$filesize,
-				'attachment'=>$target,
-				'filetype'=>strtolower($ext),
-				'filename' =>$filename,
-				'remote'=>$remote,
-				'copys' => 0,
-				'md5'=>$md5,
-				'unrun'=>$unrun,
-				'dateline' => $_G['timestamp'],
-			);
-			
-			if($attach['aid']=C::t('attachment')->insert($attach,1)){
-				C::t('local_storage')->update_usesize_by_remoteid($attach['remote'],$attach['filesize']);
-				if($tospace) dfsockopen(getglobal('siteurl').'misc.php?mod=movetospace&aid='.$attach['aid'].'&remoteid=0',0, '', '', FALSE, '',1);
-				if(in_array(strtolower($attach['filetype']),array('png','jpeg','jpg','gif','bmp'))){
-					$attach['img']=C::t('attachment')->getThumbByAid($attach['aid'],$this->options['thumbnail']['max-width'],$this->options['thumbnail']['max-height']);
-					$attach['isimage']=1;
-				}else{
-					$attach['img']=geticonfromext($ext);
-					$attach['isimage']=0;
-				}
-				//$attach['ffilesize']=formatsize($tattach['filesize']);
-				return $attach;
-			}else{
-				return false;
-			}
-		}
-    }
-	public function getPath($filename,$dir='dzz'){
-			$pathinfo = pathinfo($filename);
-			$ext = $pathinfo['extension']?($pathinfo['extension']):'';
-			if($ext && in_array(strtolower($ext) ,getglobal('setting/unRunExts'))){
-				$ext='dzz';
-			}
-		    $subdir = $subdir1 = $subdir2 = '';
-			$subdir1 = date('Ym');
-			$subdir2 = date('d');
-			$subdir = $subdir1.'/'.$subdir2.'/';
-			$target1=$dir.'/'.$subdir.'index.html';
-			$target=$dir.'/'.$subdir;
-			$target_attach=getglobal('setting/attachdir').$target1;
-			$targetpath = dirname($target_attach);
-			dmkdir($targetpath);
-			return $target.date('His').''.strtolower(random(16)).'.'.$ext;
-	 }
-}
-?>
+<?php
+/*
+ * @copyright   Leyun internet Technology(Shanghai)Co.,Ltd
+ * @license     http://www.dzzoffice.com/licenses/license.txt
+ * @package     DzzOffice
+ * @link        http://www.dzzoffice.com
+ * @author      zyx(zyx@dzz.cc)
+ */
+
+if(!defined('IN_DZZ')) {
+	exit('Access Denied');
+}
+
+
+
+class dzz_io
+{
+	protected function initIO($path){
+		$path=self::clean($path);
+		$bzarr=explode(':',$path);
+		$allowbz=C::t('connect')->fetch_all_bz();//array('baiduPCS','ALIOSS','dzz','JSS','disk');
+		if(strpos($path,'dzz::')!==false){
+			$classname= 'io_dzz';
+		}elseif(strpos($path,'attach::')!==false){
+			$classname= 'io_dzz';
+		}elseif(strpos($path,'TMP::')!==false){
+			$classname= 'io_dzz';
+		}elseif(is_numeric($bzarr[0])){
+			$classname= 'io_dzz';
+		}elseif(in_array($bzarr[0],$allowbz)){
+			$classname= 'io_'.$bzarr[0];
+		}elseif(preg_match('/\w{32}/i',$path)){
+			$classname = 'io_dzz';
+		}else{
+			return false;
+		}
+
+		return new $classname($path);
+	}
+	function MoveToSpace($path,$attach,$ondup='overwrite'){
+		$path=self::clean($path);
+		if($io=self::initIO($path)){
+			return $io->MoveToSpace($path,$attach,$ondup);
+		}else{
+			return false;
+		}
+	}
+	function authorize($bz,$refer=''){
+		if($io=self::initIO($bz)){
+			$io->authorize($refer);
+		}
+	}
+	function getQuota($bz){
+		if($io=self::initIO($bz)){
+			return $io->getQuota($bz);
+		}else{
+			return false;
+		}
+	}
+	function chmod($path,$chmod,$son=0){
+		if($io=self::initIO($path)){
+			return $io->chmod($path,$chmod,$son);
+		}else{
+			return false;
+		}
+	}
+	function parsePath($path){
+		$path=self::clean($path);
+		if($io=self::initIO($path)){
+			return $io->parsePath($path);
+		}else{
+			return false;
+		}
+	}
+	function output_thumb($file,$mine='image/JPEG'){//根据文件地址，输出图像流
+		global $_G;
+		$last_modified_time = filemtime($file);
+		if($last_modified_time){
+            $etag = md5_file($file);
+            header("Last-Modified: " . gmdate("D, d M Y H:i:s", $last_modified_time) . " GMT");
+            header("Etag: $etag");
+            if (@strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) == $last_modified_time ||
+                trim($_SERVER['HTTP_IF_NONE_MATCH']) == $etag
+            ) {
+                header("HTTP/1.1 304 Not Modified");
+                exit;
+            }
+		}
+		/*if(!$last_modified_time) $last_modified_time = TIMESTAMP;*/
+		@header('cache-control:public');
+		header('Content-Type: '.$mine);
+		@ob_end_clean();
+		if (getglobal('gzipcompress')) @ob_start('ob_gzhandler');
+		@readfile($file);
+		@flush();
+		@ob_flush();
+		exit();
+	}
+	//获取缩略图
+	function getThumb($path,$width,$height,$original,$returnurl=false,$thumbtype = 1){
+		$path=self::clean($path);
+		if($io=self::initIO($path)) return $io->getThumb($path,$width,$height,$original,$returnurl,$thumbtype);
+	}
+	/*
+	 *通过icosdata获取folderdata数据	
+	*/
+	function getFolderByIcosdata($icosdata){ 
+		if($io=self::initIO($icosdata['path']))	return $io->getFolderByIcosdata($icosdata);
+		else return false;
+	}
+	//获取icosdata数组；
+	//$path: 路径
+	//$force==1时不使用api的缓存数据，强制重新获取api数据；
+	//$bz==''是表示获取的是本地；此时path为icoid；
+	function getMeta($path,$force=0){
+		$path=self::clean($path);
+		if($io=self::initIO($path))	return $io->getMeta($path,$force);
+		else return false;
+	}
+	//重命名文件
+	function rename($path,$newname){ 
+		$path=self::clean($path);
+		$newname=self::name_filter($newname);
+		if($io=self::initIO($path)){
+            $return =  $io->rename($path,$newname);
+            Hook::listen('renameafter_updateindex',$return);
+            return $return;
+		}
+		else return false;
+	}
+	
+	
+	//根据路径获取目录树的数据；
+	function getFolderDatasByPath($path){ 
+		$path=self::clean($path);
+		if($io=self::initIO($path))	return $io->getFolderDatasByPath($path);
+		else return false;
+	}
+	
+	
+	//获取文件流；
+	//$path: 路径
+	public function getStream($path,$fop=0){
+		$path=self::clean($path);
+		$io=self::initIO($path);
+		if($io)	return $io->getStream($path,$fop);
+		else return $path;
+	}
+	//获取文件地址；
+	//$path: 路径
+	function getFileUri($path,$fop=0){ 
+		$path=self::clean($path);
+		if($io=self::initIO($path))	return $io->getFileUri($path,$fop);
+		else return $path;
+	}
+	
+	/**
+	 * 获取指定文件夹下的文件列表
+	 * @param string $path 文件路径
+	 * @param string $by 排序字段，缺省根据文件类型排序，time（修改时间），name（文件名），size（大小，注意目录无大小）
+	 * @param string $order asc或desc，缺省采用降序排序
+	 * @param string $limit 返回条目控制，参数格式为：n1-n2。返回结果集的[n1, n2)之间的条目，缺省返回所有条目。n1从0开始。
+	 * @param string $force 读取缓存，大于0：忽略缓存，直接调用api数据，常用于强制刷新时。
+	 * @return icosdatas
+	 */
+	function listFiles($path,$by='time',$order='DESC',$limit='',$force=0){  
+		$path=self::clean($path);
+		if($io=self::initIO($path))	return $io->listFiles($path,$by,$order,$limit,$force);
+		else return false;
+	}
+	
+	//目标位置新建内容
+	//$path:原路径
+	//$container:目标位置；
+	//$tbz:目标api；
+	//返回：
+	//$icosdata数组；
+	function CopyTo($opath,$path,$iscopy=0,$force=0){
+		$path=self::clean($path);
+		$opath=self::clean($opath);
+		if($io=self::initIO($opath)) return $io->CopyTo($opath,$path,$iscopy,$force);
+		else return false;
+	}
+
+	/**
+	 * 删除指定的元素
+	 * @param string $opath 被移动的文件路径
+	 * @param string $path 目标位置（可能是同一api内或跨api，这两种情况分开处理）
+	 * @return icosdatas
+	 */
+	public function DeleteByData($data,$force = false){
+		$havesubitem=0;
+		if(isset($data['contents'])){
+			foreach($data['contents'] as $key => $value){
+				$return=self::DeleteByData($value);
+				if(intval($return['delete'])<1) {
+					$havesubitem=1;
+				}
+				$data['contents'][$key]=$return;
+			}
+		}
+		if($data['success']===true && !$havesubitem){
+			
+			if($data['icoid']==$data['newdata']['icoid']){
+				$data['newdata']['move']=1;
+			}else{
+				$arr=IO::Delete($data['path']);
+				if($arr['icoid']) $data['delete']=1;
+				else $data['success']=$arr['error'];
+			}
+		}
+		return $data;
+	}
+	
+	//添加目录
+	//$fname：目录名称;
+	//$path：目录位置路径，如果是本地，$path 为pfid
+	function CreateFolder($path,$fname,$perm=0,$params=array(),$ondup='newcopy',$force=false){
+		$path=self::clean($path);//11
+		$fname=self::name_filter($fname);
+		if($io=self::initIO($path))	return $io->CreateFolder($path,$fname,$perm,$params,$ondup,$force);
+		else return false;
+	}
+	//添加多层目录
+	//$fid：父级目录id;
+	//$path：目录位置路径，如aaa/bbb/ccc
+	function CreateFolderByPath($path,$fid,$bz='dzz',$params=array()){
+		$path=self::clean($path);
+		if($io=self::initIO($bz))	{
+			return $io->CreateFolderByPath($path,$fid,$params);
+		}
+		else return false;
+	}
+	/*将文件缓存到本地,并且返回本地的访问地址*/
+	function cacheFile($data){
+		global $_G;
+		$subdir = $subdir1 = $subdir2 = '';
+		$subdir1 = date('Ym');
+		$subdir2 = date('d');
+		$subdir = $subdir1.'/'.$subdir2.'/';
+		$target1='dzzcache/'.$subdir.'index.html';
+		$target='dzzcache/'.$subdir.random(10);
+		$target_attach=$_G['setting']['attachdir'].$target1;
+		$targetpath = dirname($target_attach);
+		dmkdir($targetpath);
+		if(file_put_contents($target,$data)){
+			return $target;
+		}else{
+			return false;
+		}
+	}
+	
+	//获取文件数据
+	//$data：文件的信息数组 
+	//返回我文件data；
+	function getFileContent($path){
+		$path=self::clean($path);
+		if($io=self::initIO($path))	return $io->getFileContent($path);
+		else return false;
+	}
+	//覆盖文件内容
+	//$data：文件的信息数组 
+	//返回我文件data；
+	function setFileContent($path,$data,$force=false,$nocover = true){
+		$path=self::clean($path);
+		if($io=self::initIO($path))	{
+		    if($data = $io->setFileContent($path,$data,$force,$nocover)){
+		    	$filedata = $data;
+                \Hook::listen('setfilecontent_after', $filedata);
+                return $data;
+			}else{
+                return false;
+			}
+
+		}
+		else return false;
+	}
+	
+	//分片上传文件；
+	//$path: 路径
+	function multiUpload($file,$path,$filename,$attach=array(),$ondup="newcopy"){
+		$path=self::clean($path);
+		$filename=self::name_filter($filename);
+		if($io=self::initIO($path))	return $io->multiUpload($file,$path,$filename,$attach,$ondup);
+		else return false;
+	}
+	
+	//添加文件
+	//$fileContent：源文件数据;
+	//$container：目标位置;
+	//$bz：api;
+	function upload($fileContent,$path,$filename){
+		$path=self::clean($path);
+		$filename=self::name_filter($filename);
+		if($io=self::initIO($path)){
+            $return = $io->upload($fileContent,$path,$filename);
+            Hook::listen('createafter_addindex',$return);
+            return $return;
+		}
+		else return false;
+	}
+	
+	function upload_by_content($fileContent,$path,$filename,$partinfo=array()){
+		$path=self::clean($path);
+		$filename=self::name_filter($filename);
+		if($io=self::initIO($path)){
+            $return =  $io->upload_by_content($fileContent,$path,$filename,$partinfo);
+            Hook::listen('createafter_addindex',$return);
+            return $return;
+		}
+		else return false;
+	}
+	
+	public function uploadStream($file,$name,$path,$relativePath='',$content_range=''){
+	  	$path=self::clean(urldecode($path));
+		$name=self::name_filter(urldecode($name));
+	  	$relativePath=self::clean(urldecode($relativePath));
+	 	if($io=self::initIO($path)) {
+            $return=$io->uploadStream($file,$name,$path,$relativePath,$content_range);
+            Hook::listen('createafter_addindex',$return['icoarr'][0]);
+            return $return;
+		}
+	 	else return false;
+  }
+	
+	function Delete($path,$force=false){
+		$path=self::clean($path);
+		if($io=self::initIO($path))	{
+			$return =  $io->Delete($path,$force);
+			Hook::listen("deleteafter_delindex",$return);
+			return $return;
+		}
+		else return false;
+	}
+	//恢复文件
+	function Recover($path,$combine=true,$force=false){
+		$path=self::clean($path);
+		if($io=self::initIO($path))	{
+			return $io->Recover($path,$combine,$force);
+		}
+		else return false;
+	}
+	
+ //获取不重复的目录名称
+  public function getFolderName($fname,$path){
+	  $path=self::clean($path);
+	  $fname=self::name_filter($fname);
+	  if($io=self::initIO($path))	  return $io->getFolderName($fname,$path);
+	  else return false;
+  }
+  
+ 
+  public function download($paths,$filename='',$checkperm = true){
+  		 $paths = (array)$paths;
+		 $paths=self::clean($paths);
+		 if($io=self::initIO($paths[0]))  $io->download($paths,$filename,$checkperm);
+		 else return false;
+	 }
+	 
+	public function getCloud($bz){
+		$bzarr=explode(':',$bz);
+		$cloud=DB::fetch_first("select * from ".DB::table('connect')." where bz='{$bzarr[0]}'");
+		if($cloud['type']=='pan'){
+			$root=DB::fetch_first("select * from ".DB::table($cloud['dname'])." where  id='{$bzarr[1]}'");
+			if(!$root['cloudname']) $root['cloudname']=$cloud['name'].':'.($root['cusername']?$root['cusername']:$root['cuid']);
+		}elseif($cloud['type']=='storage'){
+			$root=DB::fetch_first("select * from ".DB::table($cloud['dname'])." where id='{$bzarr[1]}'");
+			$root['access_id']=authcode($root['access_id'],'DECODE',$root['bz']);
+			if(!$root['cloudname']) $root['cloudname']=$cloud['name'].':'.($root['bucket']?$root['bucket']:cutstr($root['access_id'], 4, $dot = ''));
+		}elseif($cloud['type']=='ftp'){
+			$root=DB::fetch_first("select * from ".DB::table($cloud['dname'])." where id='{$bzarr[1]}'");
+		}elseif($cloud['type']=='disk'){
+			$root=DB::fetch_first("select * from ".DB::table($cloud['dname'])." where id='{$bzarr[1]}'");
+		}else{
+			$root=DB::fetch_first("select * from ".DB::table($cloud['dname'])." where id='{$bzarr[1]}'");
+		}
+		$root['cloudtype']=$cloud['type'];
+		return $root;
+	}
+	
+
+	 public function clean($str) {//清除路径
+		if(is_array($str)){
+			foreach($str as $key=> $value){
+				$str[$key]=self::clean_path(str_replace(array( "\n", "\r", '../'), '', $value));
+			}
+		}else{
+			$str= self::clean_path(str_replace(array( "\n", "\r", '../'), '', $str));
+		}
+
+		return $str;
+	}
+	private function clean_path($str){
+		if(preg_match("/\.\.\//",$str)){
+			$str=str_replace('../','',$str);
+			return self::clean_path($str);
+		}else{
+			return $str;
+		}
+	}
+	public function name_filter($name){
+		return str_replace(array('/','\\',':','*','?','<','>','|','"',"\n"),'',$name);
+	}
+	public function saveToAttachment($file_path,$filename,$tospace=1,$width=256,$height=256) {
+        $md5=md5_file($file_path);
+		$filesize=filesize($file_path);
+		if($md5 && $attach=DB::fetch_first("select * from %t where md5=%s and filesize=%d",array('attachment',$md5,$filesize))){
+			$attach['filename']=$filename;
+			$pathinfo = pathinfo($filename);
+			$ext = $pathinfo['extension']?$pathinfo['extension']:'';
+			$attach['filetype']=$ext;
+			if(in_array(strtolower($attach['filetype']),array('png','jpeg','jpg','gif','bmp'))){
+				$attach['img']=C::t('attachment')->getThumbByAid($attach,$width,$height);
+				$attach['isimage']=1;
+			}else{
+				//$attach['img']=geticonfromext($ext);
+				$attach['isimage']=0;
+			}
+			//$attach['ffilesize']=formatsize($tattach['filesize']);
+			@unlink($file_path);
+			return $attach;
+		}else{
+			$target=self::getPath($filename);
+			$pathinfo = pathinfo($filename);
+			$ext = $pathinfo['extension']?$pathinfo['extension']:'';
+			if($ext && in_array(strtolower($ext) ,getglobal('setting/unRunExts'))){
+				$unrun=1;
+			}else{
+				$unrun=0;
+			}
+			$filepath=getglobal('setting/attachdir').$target;
+			$handle=fopen($file_path, 'r');
+			$handle1=fopen($filepath,'w');
+			while (!feof($handle)) {
+			   fwrite($handle1,fread($handle, 8192));
+			}
+			fclose($handle);
+			fclose($handle1);
+			@unlink($file_path);
+			
+			$filesize=filesize($filepath);
+			$remote=0;
+			
+        	$attach=array(
+			
+				'filesize'=>$filesize,
+				'attachment'=>$target,
+				'filetype'=>strtolower($ext),
+				'filename' =>$filename,
+				'remote'=>$remote,
+				'copys' => 0,
+				'md5'=>$md5,
+				'unrun'=>$unrun,
+				'dateline' => $_G['timestamp'],
+			);
+			
+			if($attach['aid']=C::t('attachment')->insert($attach,1)){
+				C::t('local_storage')->update_usesize_by_remoteid($attach['remote'],$attach['filesize']);
+				if($tospace) dfsockopen(getglobal('siteurl').'misc.php?mod=movetospace&aid='.$attach['aid'].'&remoteid=0',0, '', '', FALSE, '',1);
+				if(in_array(strtolower($attach['filetype']),array('png','jpeg','jpg','gif','bmp'))){
+					$attach['img']=C::t('attachment')->getThumbByAid($attach['aid'],$this->options['thumbnail']['max-width'],$this->options['thumbnail']['max-height']);
+					$attach['isimage']=1;
+				}else{
+					$attach['img']=geticonfromext($ext);
+					$attach['isimage']=0;
+				}
+				//$attach['ffilesize']=formatsize($tattach['filesize']);
+				return $attach;
+			}else{
+				return false;
+			}
+		}
+    }
+	public function getPath($filename,$dir='dzz'){
+			$pathinfo = pathinfo($filename);
+			$ext = $pathinfo['extension']?($pathinfo['extension']):'';
+			if($ext && in_array(strtolower($ext) ,getglobal('setting/unRunExts'))){
+				$ext='dzz';
+			}
+		    $subdir = $subdir1 = $subdir2 = '';
+			$subdir1 = date('Ym');
+			$subdir2 = date('d');
+			$subdir = $subdir1.'/'.$subdir2.'/';
+			$target1=$dir.'/'.$subdir.'index.html';
+			$target=$dir.'/'.$subdir;
+			$target_attach=getglobal('setting/attachdir').$target1;
+			$targetpath = dirname($target_attach);
+			dmkdir($targetpath);
+			return $target.date('His').''.strtolower(random(16)).'.'.$ext;
+	 }
+}
+?>