fix(auth): 修复radius decode error的问题

apps/authentication/backends/radius.py

@@ -1,11 +1,11 @@
 # -*- coding: utf-8 -*-
 #
+import traceback
 
 from django.contrib.auth import get_user_model
 from radiusauth.backends import RADIUSBackend, RADIUSRealmBackend
 from django.conf import settings
 
-from pyrad.packet import AccessRequest
 
 User = get_user_model()
 
@@ -27,6 +27,17 @@ class CreateUserMixin:
             user.save()
         return user
 
+    def _perform_radius_auth(self, client, packet):
+        # TODO: 等待官方库修复这个BUG
+        try:
+            return super()._perform_radius_auth(client, packet)
+        except UnicodeError as e:
+            import sys
+            tb = ''.join(traceback.format_exception(*sys.exc_info(), limit=2, chain=False))
+            if tb.find("cl.decode") != -1:
+                return [], False, False
+            return None
+
     def authenticate(self, *args, **kwargs):
         # 校验用户时，会传入public_key参数，父类authentication中不接受public_key参数，所以要pop掉
         # TODO:需要优化各backend的authenticate方法，django进行调用前会检测各authenticate的参数