from datetime import datetime,timedelta
from uuid import uuid1
import secrets

class Nounce(object):
    def __init__(self):
        self.id = uuid1()
        self.expiration = datetime.now()+timedelta(seconds=60)
        self.token = secrets.token_urlsafe()

    def expired(self):
        return datetime.now() > self.expiration

    def bump(self):
        self.expiration = datetime.now()+timedelta(seconds=60)

class AuthSession(object):
    def __init__(self, username):
        self.id = uuid1()
        self.expiration = datetime.now()+timedelta(minutes=30)
        self.username = username

    def expired(self):
        return datetime.now() > self.expiration

    def bumpExpiration(self):
        self.expiration = datetime.now()+timedelta(minutes=30)