decorators.py 文件源码

def authenticate(token):
    """
    Tries to authenticate user based on the supplied token. It also checks
    the token structure and validity.

    Based on jwt_auth.JSONWebTokenAuthMixin.authenticate
    """
    try:
        payload = jwt_decode_handler(token)
    except jwt.ExpiredSignature:
        msg = 'Signature has expired.'
        raise exceptions.AuthenticationFailed(msg)
    except jwt.DecodeError:
        msg = 'Error decoding signature.'
        raise exceptions.AuthenticationFailed(msg)

    user = authenticate_credentials(payload)

    return user