chore: refactor signing imports and add signing utility functions

apps/chat/serializers/chat_authentication.py

@@ -7,13 +7,13 @@
     @desc:
 """
 import uuid_utils.compat as uuid
-from django.core import signing
 from django.core.cache import cache
 from django.db.models import QuerySet
 from django.utils.translation import gettext_lazy as _
 from rest_framework import serializers
 
 from application.models import ApplicationAccessToken, ChatUserType, Application, ApplicationVersion
+from common import signing
 from common.auth.common import ChatUserToken, ChatAuthentication, FileToken
 from common.constants.authentication_type import AuthenticationType
 from common.constants.cache_version import Cache_Version

apps/common/auth/authenticate.py

@@ -10,11 +10,11 @@
 
 from django.conf import settings
 from django.core import cache
-from django.core import signing
 from django.utils.translation import gettext_lazy as _
 from drf_spectacular.extensions import OpenApiAuthenticationExtension
 from rest_framework.authentication import TokenAuthentication
 
+from common import signing
 from common.exception.app_exception import AppAuthenticationFailed, AppEmbedIdentityFailed, AppChatNumOutOfBoundsFailed, \
     AppApiException
 from common.utils.logger import maxkb_logger

apps/common/auth/common.py

@@ -10,8 +10,9 @@
 import json
 import threading
 
-from django.core import signing, cache
+from django.core import cache
 
+from common import signing
 from common.constants.cache_version import Cache_Version
 from common.utils.rsa_util import encrypt, decrypt
 

apps/common/signing.py

@@ -0,0 +1,20 @@
+# coding=utf-8
+"""
+    @project: MaxKB
+    @Author:  虎虎虎
+    @file:    rsa_util.py
+    @date:    2026/09/21 13:57
+    @desc:
+"""
+from common.utils.rsa_util import get_key_pair
+from django.core import signing
+
+
+def loads(s: str):
+    value = get_key_pair().get('value')
+    return signing.loads(s, key=value)
+
+
+def dumps(obj):
+    value = get_key_pair().get('value')
+    return signing.dumps(obj, key=value)

apps/users/serializers/login.py

@@ -11,12 +11,12 @@
 import json
 
 from captcha.image import ImageCaptcha
-from django.core import signing
 from django.core.cache import cache
 from django.utils.translation import gettext_lazy as _
 from rest_framework import serializers
 
 from application.models import ApplicationAccessToken
+from common import signing
 from common.auth.common import FileToken
 from common.constants.authentication_type import AuthenticationType
 from common.constants.cache_version import Cache_Version