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# Copyright (c) 2014 The Johns Hopkins University/Applied Physics Laboratory
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from kmip.core.factories.secrets import SecretFactory
from kmip.core import attributes
from kmip.core import enums
from kmip.core.enums import Tags
from kmip.core.objects import KeyWrappingSpecification
from kmip.core.primitives import Struct
from kmip.core.primitives import Enumeration
from kmip.core.utils import BytearrayStream
# 4.11
class GetRequestPayload(Struct):
# 9.1.3.2.2
class KeyCompressionType(Enumeration):
def __init__(self, value=None):
super(GetRequestPayload.KeyCompressionType, self).__init__(
enums.KeyCompressionType, value, Tags.KEY_COMPRESSION_TYPE)
# 9.1.3.2.3
class KeyFormatType(Enumeration):
def __init__(self, value=None):
super(GetRequestPayload.KeyFormatType, self).__init__(
enums.KeyFormatType, value, Tags.KEY_FORMAT_TYPE)
def __init__(self,
unique_identifier=None,
key_format_type=None,
key_compression_type=None,
key_wrapping_specification=None):
super(GetRequestPayload, self).__init__(tag=enums.Tags.REQUEST_PAYLOAD)
self.unique_identifier = unique_identifier
self.key_format_type = key_format_type
self.key_compression_type = key_compression_type
self.key_wrapping_specification = key_wrapping_specification
self.validate()
def read(self, istream):
super(GetRequestPayload, self).read(istream)
tstream = BytearrayStream(istream.read(self.length))
if self.is_tag_next(Tags.UNIQUE_IDENTIFIER, tstream):
self.unique_identifier = attributes.UniqueIdentifier()
self.unique_identifier.read(tstream)
if self.is_tag_next(Tags.KEY_FORMAT_TYPE, tstream):
self.key_format_type = GetRequestPayload.KeyFormatType()
self.key_format_type.read(tstream)
if self.is_tag_next(Tags.KEY_COMPRESSION_TYPE, tstream):
self.key_compression_type = GetRequestPayload.KeyCompressionType()
self.key_compression_type.read(tstream)
if self.is_tag_next(Tags.KEY_WRAPPING_SPECIFICATION, tstream):
self.key_wrapping_specification = KeyWrappingSpecification()
self.key_wrapping_specification.read(tstream)
self.is_oversized(tstream)
self.validate()
def write(self, ostream):
tstream = BytearrayStream()
# Write the contents of the request payload
if self.unique_identifier is not None:
self.unique_identifier.write(tstream)
if self.key_format_type is not None:
self.key_format_type.write(tstream)
if self.key_compression_type is not None:
self.key_compression_type.write(tstream)
if self.key_wrapping_specification is not None:
self.key_wrapping_specification.write(tstream)
# Write the length and value of the request payload
self.length = tstream.length()
super(GetRequestPayload, self).write(ostream)
ostream.write(tstream.buffer)
def validate(self):
self.__validate()
def __validate(self):
# TODO (peter-hamilton) Finish implementation
pass
class GetResponsePayload(Struct):
def __init__(self,
object_type=None,
unique_identifier=None,
secret=None):
super(GetResponsePayload, self).__init__(tag=Tags.RESPONSE_PAYLOAD)
self.object_type = object_type
self.unique_identifier = unique_identifier
self.secret = secret
self.secret_factory = SecretFactory()
self.validate()
def read(self, istream):
super(GetResponsePayload, self).read(istream)
tstream = BytearrayStream(istream.read(self.length))
self.object_type = attributes.ObjectType()
self.unique_identifier = attributes.UniqueIdentifier()
self.object_type.read(tstream)
self.unique_identifier.read(tstream)
secret_type = self.object_type.value
self.secret = self.secret_factory.create(secret_type)
self.secret.read(tstream)
self.is_oversized(tstream)
self.validate()
def write(self, ostream):
tstream = BytearrayStream()
self.object_type.write(tstream)
self.unique_identifier.write(tstream)
self.secret.write(tstream)
# Write the length and value of the request payload
self.length = tstream.length()
super(GetResponsePayload, self).write(ostream)
ostream.write(tstream.buffer)
def validate(self):
self.__validate()
def __validate(self):
# TODO (peter-hamilton) Finish implementation.
pass
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