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# Copyright (c) 2013 Yubico AB
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or
# without modification, are permitted provided that the following
# conditions are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
from u2flib_server.model import JSONDict, Transport
class VendorInfo(JSONDict):
pass
class Selector(JSONDict):
pass
class DeviceInfo(JSONDict):
@property
def selectors(self):
selectors = self.get('selectors')
if selectors is None:
return None
return [Selector(selector) for selector in selectors]
@property
def transports(self):
transport_int = self.get('transports')
if transport_int is None:
return None
return [t for t in Transport if t.value & transport_int]
class MetadataObject(JSONDict):
@property
def vendorInfo(self):
return VendorInfo(self['vendorInfo'])
@property
def devices(self):
return [DeviceInfo(dev) for dev in self['devices']]
class Attestation(object):
def __init__(self, trusted, vendor_info=None, device_info=None,
cert_transports=None):
self._trusted = trusted
self._vendor_info = vendor_info
self._device_info = device_info
if device_info.transports is None and cert_transports is None:
self._transports = None
else:
transports = sum(t.value for t in cert_transports or []) | \
sum(t.value for t in device_info.transports or [])
self._transports = [t for t in Transport if t.value & transports]
@property
def trusted(self):
return self._trusted
@property
def vendor_info(self):
return self._vendor_info
@property
def device_info(self):
return self._device_info
@property
def transports(self):
return self._transports
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