我们如何在Django的jwt令牌中为不同的用户分配不同的到期时间

问题描述：

我正在django中使用jwt令牌.我对所有用户都有5分钟的到期时间，但是我想根据角色更改用户的到期时间.如何使用SIMPLE JWT模块在Django中实现这一目标.

i am using jwt tokens in django. i have expiry time 5mins for all the users.but i want to change the expiry time of the user based on the role. How can i achieve that in django using SIMPLE JWT module.

SIMPLE_JWT = {
    'ACCESS_TOKEN_LIFETIME': timedelta(minutes=5),
    'REFRESH_TOKEN_LIFETIME': timedelta(days=1),
    'ROTATE_REFRESH_TOKENS': False,
    'BLACKLIST_AFTER_ROTATION': True,
    }

修改后的代码:

  SUPERUSER_LIFETIME = datetime.timedelta(seconds=10)
  class MyTokenObtainPairSerializer(TokenObtainPairSerializer):
            @classmethod
            def get_token(cls, user):
                            token = super(MyTokenObtainPairSerializer, cls).get_token(user)
                            starttime              = datetime.datetime.now()
                            timelimit              = datetime.timedelta(seconds=10)
                            endtime               = (timelimit + datetime.datetime.now())
                            expirytime = int(endtime.timestamp())
                            token['name']                   = user.username
                            token['user_id']                = user.id
                            if user.is_superuser:
                                            print("EXPIRY TIME ",expirytime)
                                            print("SUPERUSER LIFETIME ",SUPERUSER_LIFETIME)
                                            token.set_exp(lifetime=SUPERUSER_LIFETIME)
                            return token
  class MyTokenObtainPairView(TokenObtainPairView):
            serializer_class = MyTokenObtainPairSerializer

当我打印SUPERUSER LIFETIME时，它显示出10秒的差异.但是，当我尝试对访问令牌进行解码时，它显示了默认的300秒时间.这可能是什么问题?

when i print SUPERUSER LIFETIME it is showing difference of 10sec .But,when i try to decode the access token it is showing the default time of 300sec. what can be the problem here?

答

您可以尝试编写自定义"视图:

You can try to write your Custom view:

from rest_framework_simplejwt.serializers import TokenObtainPairSerializer
from rest_framework_simplejwt.views import TokenObtainPairView
from rest_framework_simplejwt.utils import datetime_to_epoch

SUPERUSER_LIFETIME = timedelta(minutes=60)

class MyTokenObtainPairSerializer(TokenObtainPairSerializer):
    @classmethod
    def get_token(cls, user):
        token = super(MyTokenObtainPairSerializer, cls).get_token(user)
        if user.is_superuser:
            token = token.access_token
            token.set_exp(lifetime=SUPERUSER_LIFETIME)
        return token

class MyTokenObtainPairView(TokenObtainPairView):
    serializer_class = MyTokenObtainPairSerializer

还需要更新您的urls.py

url(r'^api/token/$', MyTokenObtainPairView.as_view(), name='token_obtain_pair'),

我们如何在Django的jwt令牌中为不同的用户分配不同的到期时间

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