域名在线授权系统

class User:
    def __init__(self, username, role):
        self.username = username
        self.role = role

class Role:
    def __init__(self, name, permissions):
        self.name = name
        self.permissions = permissions

class AuthorizationSystem:
    def __init__(self):
        self.roles = {}

    def add_role(self, role):
        self.roles[role.name] = role

    def authorize(self, user, permission):
        if user.role in self.roles:
            return permission in self.roles[user.role].permissions
        return False

# 示例用法
admin_role = Role("admin", ["create", "read", "update", "delete"])
user_role = Role("user", ["read"])

auth_system = AuthorizationSystem()
auth_system.add_role(admin_role)
auth_system.add_role(user_role)

admin_user = User("admin", "admin")
regular_user = User("user", "user")

print(auth_system.authorize(admin_user, "create"))  # 输出: True
print(auth_system.authorize(regular_user, "create"))  # 输出: False