关闭前端密码加密；加强 ldap 用户验证 (#216)

* [更新] python-ldap 更新到 ldap3

* [更新] 关闭前端密码加密；加强 ldap 用户验证

* Update app.js

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Co-authored-by: sherlock <sherlock@gmail.com>
Co-authored-by: pycook <pycook@126.com>

cmdb-api/api/models/acl.py

@@ -74,6 +74,8 @@ class UserQuery(BaseQuery):
 
             conn = Connection(server, user=who, password=password)
             conn.bind()
+            if conn.result['result'] != 0:
+                raise LDAPBindError
             conn.unbind()
 
             if not user: