[Update] 修改小问题 (#2100)

* [Update] 不修改admin用户的用户来源

* [Bugfix] 修复Default组织下用户列表会显示所有用户，并查看详情会报错

* [Update] 关闭telnet资产测试可连接性

* [Update] 只有ssh协议资产可测试连接性

apps/authentication/signals_handlers.py

@@ -1,7 +1,8 @@
 from django.http.request import QueryDict
-from django.contrib.auth.signals import user_logged_out
-from django.dispatch import receiver
 from django.conf import settings
+from django.dispatch import receiver
+from django.contrib.auth.signals import user_logged_out
+from django_auth_ldap.backend import populate_user
 from .openid import client
 from .signals import post_create_openid_user
 
@@ -31,3 +32,9 @@ def on_post_create_openid_user(sender, user=None,  **kwargs):
         user.source = user.SOURCE_OPENID
         user.save()
 
+
+@receiver(populate_user)
+def on_ldap_create_user(sender, user, ldap_user, **kwargs):
+    if user and user.name != 'admin':
+        user.source = user.SOURCE_LDAP
+        user.save()