fix: ldap更换OU后无法登录 (#13172)

* fix: ldap更换OU后无法登录

* perf: 翻译

---------

Co-authored-by: wangruidong <940853815@qq.com>

apps/settings/api/settings.py

@@ -1,7 +1,9 @@
 # -*- coding: utf-8 -*-
 #
+import re
 
 from django.conf import settings
+from django.core.cache import cache
 from django.http import HttpResponse
 from django.views.static import serve
 from rest_framework import generics
@@ -168,6 +170,13 @@ class SettingsApi(generics.RetrieveUpdateAPIView):
         if hasattr(serializer, 'post_save'):
             serializer.post_save()
         self.send_signal(serializer)
+        if self.request.query_params.get('category') == 'ldap':
+            self.clean_ldap_user_dn_cache()
+
+    @staticmethod
+    def clean_ldap_user_dn_cache():
+        del_count = cache.delete_pattern('django_auth_ldap.user_dn.*')
+        logger.debug(f'clear LDAP user_dn_cache count={del_count}')
 
 
 class SettingsLogoApi(APIView):