[Update] 解决sftp登录，绕过校验系统用户手动登录的情况

coco/connection.py

@@ -4,6 +4,8 @@
 import re
 import socket
 import telnetlib
+from .const import MANUAL_LOGIN
+
 
 try:
     import selectors
@@ -87,6 +89,8 @@ class SSHConnection:
         获取系统用户的认证信息，密码或秘钥
         :return: system user have full info
         """
+        if self.system_user.login_mode == MANUAL_LOGIN:
+            return
         password, private_key = \
             app_service.get_system_user_auth_info(self.system_user, self.asset)
         self.system_user.password = password

coco/const.py

@@ -8,3 +8,9 @@ PERMS_ACTION_NAME_ALL = 'all'
 PERMS_ACTION_NAME_CONNECT = 'connect'
 PERMS_ACTION_NAME_UPLOAD_FILE = 'upload_file'
 PERMS_ACTION_NAME_DOWNLOAD_FILE = 'download_file'
+
+#
+# System User login mode choices
+#
+MANUAL_LOGIN = 'manual'
+AUTO_LOGIN = 'auto'

coco/proxy.py

@@ -7,18 +7,20 @@ import time
 
 from .session import Session
 from .models import Server, TelnetServer
-from .const import PERMS_ACTION_NAME_CONNECT
+from .const import (
+    PERMS_ACTION_NAME_CONNECT, MANUAL_LOGIN
+)
 from .connection import SSHConnection, TelnetConnection
 from .service import app_service
 from .conf import config
-from .utils import wrap_with_line_feed as wr, wrap_with_warning as warning, \
-     get_logger, net_input, ugettext as _, ignore_error
+from .utils import (
+    wrap_with_line_feed as wr, wrap_with_warning as warning, ugettext as _,
+    get_logger, net_input, ignore_error
+)
 
 
 logger = get_logger(__file__)
 BUF_SIZE = 4096
-MANUAL_LOGIN = 'manual'
-AUTO_LOGIN = 'auto'
 
 
 class ProxyServer:

coco/sftp.py

@@ -118,6 +118,10 @@ class SFTPServer(paramiko.SFTPServerInterface):
         if not asset or not system_user:
             raise PermissionError("No asset or system user explicit")
 
+        if system_user.login_mode == 'manual':
+            raise PermissionError("System user is in manual login mode, please "
+                                  "use SSH protocol to connect assets first.")
+
         cache_key = '{}@{}'.format(su, host)
         if cache_key not in self._sftp:
             conn = SSHConnection.new_connection(self.server.connection.user,