add useKeyboardInteractive option

README.md

@@ -60,6 +60,13 @@ If this option is not set, gulp-sftp assumes the user is using private key authe
 
 If you intend to use anonymous login, use the value '@anonymous'.
 
+#### options.useKeyboardInteractive
+
+type `bool`
+Default: `false`
+
+Use keyboard-interactive user authentication(if primary user authentication method fails, you can try to set this `true`).
+
 #### options.remotePath
 
 Type: `String`  

index.js

@@ -169,7 +169,6 @@ module.exports = function (options) {
 
         });
 
-
         /*
          * connection options, may be a key
          */
@@ -180,7 +179,20 @@ module.exports = function (options) {
         };
 
         if(options.password){
-            connection_options.password = options.password;
+            if (!options.useKeyboardInteractive) {
+                connection_options.password = options.password;
+            } else {
+              connection_options.tryKeyboard = true;
+              c.on('keyboard-interactive', function(
+                name,
+                instructions,
+                instructionsLang,
+                prompts,
+                finish
+              ) {
+                finish([options.password]);
+              });
+            }
         }else if(options.agent) {
             connection_options.agent = options.agent;
             connection_options.agentForward = options.agentForward || false;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "gulp-sftp",
-  "version": "0.1.5",
+  "version": "0.1.6",
   "description": "Upload files via SSH",
   "license": "MIT",
   "repository": "gtg092x/gulp-sftp",
@@ -45,7 +45,7 @@
     "gulp-util": "~3.0.0",
     "object-assign": "~0.3.1",
     "parents": "~1.0.0",
-    "ssh2": "~0.3.3",
+    "ssh2": "~0.5.5",
     "through2": "~0.4.2"
   },
   "devDependencies": {}