authentication.py 文件源码

def requires_authentication(function):
    """Creates a decorator that can be applied with @requires_authentication
    to protect an API endpoint."""
    @wraps(function)
    def decorated(*args, **kwargs):
        """Checks for authorization headers. Tells the user to authenticate
        if none are found."""
        auth = request.authorization
        if not auth or not check_authentication(auth.username, auth.password):
            return authenticate()
        return function(*args, **kwargs)
    return decorated