域名授权卡密系统源码

import hashlib
import random

def generate_key():
    key = ''.join(random.sample('abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789', 16))
    hash_key = hashlib.sha256(key.encode()).hexdigest()
    return hash_key

def verify_key(key, stored_key):
    return hashlib.sha256(key.encode()).hexdigest() == stored_key

import datetime

class AuthorizationKey:
    def __init__(self, key, expires_in):
        self.key = key
        self.expires_at = datetime.datetime.now() + datetime.timedelta(seconds=expires_in)

    def is_expired(self):
        return datetime.datetime.now() > self.expires_at

def verify_key(key, stored_key, stored_expires_at):
    if stored_expires_at.is_expired():
        return False
    return hashlib.sha256(key.encode()).hexdigest() == stored_key