PyKMIP/kmip/core/factories/attribute_values.py

226 lines
10 KiB
Python

# 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 import attributes
from kmip.core import enums
from kmip.core import primitives
from kmip.core import utils
class AttributeValueFactory(object):
def create_attribute_value(self, name, value):
# Switch on the name of the attribute
if name is enums.AttributeType.UNIQUE_IDENTIFIER:
return attributes.UniqueIdentifier(value)
elif name is enums.AttributeType.NAME:
return self._create_name(value)
elif name is enums.AttributeType.OBJECT_TYPE:
return attributes.ObjectType(value)
elif name is enums.AttributeType.CRYPTOGRAPHIC_ALGORITHM:
return attributes.CryptographicAlgorithm(value)
elif name is enums.AttributeType.CRYPTOGRAPHIC_LENGTH:
return self._create_cryptographic_length(value)
elif name is enums.AttributeType.CRYPTOGRAPHIC_PARAMETERS:
return self._create_cryptographic_parameters(value)
elif name is enums.AttributeType.CRYPTOGRAPHIC_DOMAIN_PARAMETERS:
raise NotImplementedError()
elif name is enums.AttributeType.CERTIFICATE_TYPE:
raise NotImplementedError()
elif name is enums.AttributeType.CERTIFICATE_LENGTH:
return primitives.Integer(value, enums.Tags.CERTIFICATE_LENGTH)
elif name is enums.AttributeType.X_509_CERTIFICATE_IDENTIFIER:
raise NotImplementedError()
elif name is enums.AttributeType.X_509_CERTIFICATE_SUBJECT:
raise NotImplementedError()
elif name is enums.AttributeType.X_509_CERTIFICATE_ISSUER:
raise NotImplementedError()
elif name is enums.AttributeType.CERTIFICATE_IDENTIFIER:
raise NotImplementedError()
elif name is enums.AttributeType.CERTIFICATE_SUBJECT:
raise NotImplementedError()
elif name is enums.AttributeType.CERTIFICATE_ISSUER:
raise NotImplementedError()
elif name is enums.AttributeType.DIGITAL_SIGNATURE_ALGORITHM:
raise NotImplementedError()
elif name is enums.AttributeType.DIGEST:
return attributes.Digest()
elif name is enums.AttributeType.OPERATION_POLICY_NAME:
return attributes.OperationPolicyName(value)
elif name is enums.AttributeType.CRYPTOGRAPHIC_USAGE_MASK:
return self._create_cryptographic_usage_mask(value)
elif name is enums.AttributeType.LEASE_TIME:
return primitives.Interval(value, enums.Tags.LEASE_TIME)
elif name is enums.AttributeType.USAGE_LIMITS:
raise NotImplementedError()
elif name is enums.AttributeType.STATE:
return attributes.State(value)
elif name is enums.AttributeType.INITIAL_DATE:
return primitives.DateTime(value, enums.Tags.INITIAL_DATE)
elif name is enums.AttributeType.ACTIVATION_DATE:
return primitives.DateTime(value, enums.Tags.ACTIVATION_DATE)
elif name is enums.AttributeType.PROCESS_START_DATE:
return primitives.DateTime(value, enums.Tags.PROCESS_START_DATE)
elif name is enums.AttributeType.PROTECT_STOP_DATE:
return primitives.DateTime(value, enums.Tags.PROTECT_STOP_DATE)
elif name is enums.AttributeType.DEACTIVATION_DATE:
return primitives.DateTime(value, enums.Tags.DEACTIVATION_DATE)
elif name is enums.AttributeType.DESTROY_DATE:
return primitives.DateTime(value, enums.Tags.DESTROY_DATE)
elif name is enums.AttributeType.COMPROMISE_OCCURRENCE_DATE:
return primitives.DateTime(
value, enums.Tags.COMPROMISE_OCCURRENCE_DATE)
elif name is enums.AttributeType.COMPROMISE_DATE:
return primitives.DateTime(value, enums.Tags.COMPROMISE_DATE)
elif name is enums.AttributeType.REVOCATION_REASON:
raise NotImplementedError()
elif name is enums.AttributeType.ARCHIVE_DATE:
return primitives.DateTime(value, enums.Tags.ARCHIVE_DATE)
elif name is enums.AttributeType.OBJECT_GROUP:
return self._create_object_group(value)
elif name is enums.AttributeType.FRESH:
return primitives.Boolean(value, enums.Tags.FRESH)
elif name is enums.AttributeType.LINK:
raise NotImplementedError()
elif name is enums.AttributeType.APPLICATION_SPECIFIC_INFORMATION:
return self._create_application_specific_information(value)
elif name is enums.AttributeType.CONTACT_INFORMATION:
return self._create_contact_information(value)
elif name is enums.AttributeType.LAST_CHANGE_DATE:
return primitives.DateTime(value, enums.Tags.LAST_CHANGE_DATE)
elif name is enums.AttributeType.CUSTOM_ATTRIBUTE:
return attributes.CustomAttribute(value)
else:
if not isinstance(name, str):
raise ValueError('Unrecognized attribute type: '
'{0}'.format(name))
elif name.startswith('x-'):
# Custom attribute indicated
return attributes.CustomAttribute(value)
def _create_name(self, name):
if name is not None:
if isinstance(name, attributes.Name):
return attributes.Name.create(name.name_value, name.name_type)
elif isinstance(name, str):
return attributes.Name.create(
name,
enums.NameType.UNINTERPRETED_TEXT_STRING
)
else:
raise ValueError('Unrecognized attribute type: '
'{0}'.format(name))
else:
return attributes.Name()
def _create_cryptographic_length(self, length):
if length is not None and not isinstance(length, int):
msg = utils.build_er_error(attributes.CryptographicLength,
'constructor argument type', int,
type(length))
raise TypeError(msg)
return attributes.CryptographicLength(length)
def _create_cryptographic_parameters(self, params):
if params is None:
params = {}
if isinstance(params, dict):
return attributes.CryptographicParameters(
block_cipher_mode=params.get('block_cipher_mode', None),
padding_method=params.get('padding_method', None),
hashing_algorithm=params.get('hashing_algorithm', None),
key_role_type=params.get('key_role_type', None),
digital_signature_algorithm=params.get(
'digital_signature_algorithm',
None
),
cryptographic_algorithm=params.get(
'cryptographic_algorithm',
None
),
random_iv=params.get('random_iv', None),
iv_length=params.get('iv_length', None),
tag_length=params.get('tag_length', None),
fixed_field_length=params.get('fixed_field_length', None),
invocation_field_length=params.get(
'invocation_field_length',
None
),
counter_length=params.get('counter_length', None),
initial_counter_value=params.get(
'initial_counter_value',
None
)
)
else:
raise TypeError("cryptographic parameters must be a dict")
def _create_cryptographic_usage_mask(self, flags):
mask = None
if flags is not None:
mask = 0
for flag in flags:
mask |= flag.value
return attributes.CryptographicUsageMask(mask)
def _create_object_group(self, group):
if group is not None and not isinstance(group, str):
msg = utils.build_er_error(attributes.ObjectGroup,
'constructor argument type', str,
type(group))
raise TypeError(msg)
return attributes.ObjectGroup(group)
def _create_application_specific_information(self, info):
if info is None:
return attributes.ApplicationSpecificInformation()
else:
application_namespace = info.get('application_namespace')
application_data = info.get('application_data')
if not isinstance(application_namespace, str):
msg = utils.build_er_error(
attributes.ApplicationSpecificInformation,
'constructor argument type',
str, type(application_namespace))
raise TypeError(msg)
if not isinstance(application_data, str):
msg = utils.build_er_error(
attributes.ApplicationSpecificInformation,
'constructor argument type',
str, type(application_data))
raise TypeError(msg)
return attributes.ApplicationSpecificInformation.create(
application_namespace, application_data)
def _create_contact_information(self, info):
if info is None:
return attributes.ContactInformation()
else:
if not isinstance(info, str):
msg = utils.build_er_error(attributes.ContactInformation,
'constructor argument type', str,
type(info))
raise TypeError(msg)
return attributes.ContactInformation(info)