diff --git a/lib/client/storage/_dropbox.js b/lib/client/storage/_dropbox.js
index 687c42d8..612ab797 100644
--- a/lib/client/storage/_dropbox.js
+++ b/lib/client/storage/_dropbox.js
@@ -83,6 +83,72 @@ var CloudCmd, Util, DOM, Dropbox, cb, Client;
             });
           
         };
+        
+        
+        this.readDir        = function(dirPath, callback) {
+            var path = dirPath || '/';
+            
+            Client.readdir(path, function(error, names, obj, files) {
+                var i, n, name, size, file, fullSize, msg,
+                    json = {
+                        path    : path,
+                        files   : []
+                    };
+                
+                if (error)
+                    msg = error.responseText;
+                
+                n = files && files.length;
+                
+                for (i = 0; i < n; i++) {
+                    file        = files[i];
+                    name        = file.name;
+                    
+                    if (!file.isFile)
+                        size    = 'dir';
+                    else 
+                        size    = CloudFunc.getShortSize(file.size);
+                    
+                    json.files.push({
+                        name: name,
+                        size: size
+                    });
+                }
+                
+                Util.exec(callback, msg, json);
+            });
+        };
+        
+        this.readFile       = function(name, callback) {
+            Client.readFile(name, function(error, data) {
+                var msg;
+                
+                if (error)
+                    msg = error.responseText;
+                
+                callback(msg, data);
+            });
+        };
+        
+        this.writeFile       = function(name, data, callback) {
+            Client.writeFile(name, data, function(error, data) {
+                var msg;
+                
+                if (error)
+                    msg = error.responseText;
+                
+                callback(msg, data);
+            });
+        };
+        
+        this.mkDir          = function(path, callback) {
+            Client.mkdir(path, callback);
+        };
+        
+        this.getToken       = function() {
+            return Client.credentials().token;
+        };
+        
         /**
          * upload file to DropBox
          */