# Copyright (c) 2013 Yubico AB
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#   without modification, are permitted provided that the following
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from u2flib_server.model import U2fRegisterRequest, U2fSignRequest


__all__ = [
    'begin_registration',
    'complete_registration',
    'begin_authentication',
    'complete_authentication'
]


def begin_registration(app_id, registered_keys=[], challenge=None):
    return U2fRegisterRequest.create(app_id, registered_keys, challenge)


def complete_registration(request, response, valid_facets=None):
    return U2fRegisterRequest.wrap(request).complete(response, valid_facets)


def begin_authentication(app_id, devices, challenge=None):
    return U2fSignRequest.create(app_id, devices, challenge)


def complete_authentication(request, response, valid_facets=None):
    return U2fSignRequest.wrap(request).complete(response, valid_facets)