utils.py 文件源码

def get_token_from_request():
    """
    Pulls the auth token from the request headers.

    :return:  Auth token if it exists, else None.
    """
    token = None
    try:
        header = request.headers.get('Authorization')
        token = header.split()[1] if header is not None else request.cookies.get('auth_token')
    except (AttributeError, IndexError):
        pass

    if token is None:
        raise TokenException('Unable to get token from request.')

    return token