complex_serialize.py

# This file is part of CycloneDX Python Lib
#
# 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.
#
# SPDX-License-Identifier: Apache-2.0
# Copyright (c) OWASP Foundation. All Rights Reserved.

import sys
from typing import TYPE_CHECKING

from packageurl import PackageURL

from cyclonedx.exception import MissingOptionalDependencyException
from cyclonedx.factory.license import LicenseFactory
from cyclonedx.model import OrganizationalEntity, XsUri
from cyclonedx.model.bom import Bom
from cyclonedx.model.component import Component, ComponentType
from cyclonedx.output import make_outputter
from cyclonedx.output.json import JsonV1Dot5
from cyclonedx.schema import OutputFormat, SchemaVersion
from cyclonedx.validation import make_schemabased_validator
from cyclonedx.validation.json import JsonStrictValidator

if TYPE_CHECKING:
    from cyclonedx.output.json import Json as JsonOutputter
    from cyclonedx.output.xml import Xml as XmlOutputter
    from cyclonedx.validation.xml import XmlValidator


lc_factory = LicenseFactory()

# region build the BOM

bom = Bom()
bom.metadata.component = root_component = Component(
    name='myApp',
    type=ComponentType.APPLICATION,
    licenses=[lc_factory.make_from_string('MIT')],
    bom_ref='myApp',
)

component1 = Component(
    type=ComponentType.LIBRARY,
    name='some-component',
    group='acme',
    version='1.33.7-beta.1',
    licenses=[lc_factory.make_from_string('(c) 2021 Acme inc.')],
    supplier=OrganizationalEntity(
        name='Acme Inc',
        urls=[XsUri('https://www.acme.org')]
    ),
    bom_ref='myComponent@1.33.7-beta.1',
    purl=PackageURL('generic', 'acme', 'some-component', '1.33.7-beta.1')
)
bom.components.add(component1)
bom.register_dependency(root_component, [component1])

component2 = Component(
    type=ComponentType.LIBRARY,
    name='some-library',
    licenses=[lc_factory.make_from_string('GPL-3.0-only WITH Classpath-exception-2.0')]
)
bom.components.add(component2)
bom.register_dependency(component1, [component2])

# endregion build the BOM

# region JSON
"""demo with explicit instructions for SchemaVersion, outputter and validator"""

my_json_outputter: 'JsonOutputter' = JsonV1Dot5(bom)
serialized_json = my_json_outputter.output_as_string(indent=2)
print(serialized_json)
my_json_validator = JsonStrictValidator(SchemaVersion.V1_5)
try:
    validation_errors = my_json_validator.validate_str(serialized_json)
    if validation_errors:
        print('JSON invalid', 'ValidationError:', repr(validation_errors), sep='\n', file=sys.stderr)
        sys.exit(2)
    print('JSON valid')
except MissingOptionalDependencyException as error:
    print('JSON-validation was skipped due to', error)

# endregion JSON

print('', '=' * 30, '', sep='\n')

# region XML
"""demo with implicit instructions for SchemaVersion, outputter and validator. TypeCheckers will catch errors."""

my_xml_outputter: 'XmlOutputter' = make_outputter(bom, OutputFormat.XML, SchemaVersion.V1_5)
serialized_xml = my_xml_outputter.output_as_string(indent=2)
print(serialized_xml)
my_xml_validator: 'XmlValidator' = make_schemabased_validator(
    my_xml_outputter.output_format, my_xml_outputter.schema_version)
try:
    validation_errors = my_xml_validator.validate_str(serialized_xml)
    if validation_errors:
        print('XML invalid', 'ValidationError:', repr(validation_errors), sep='\n', file=sys.stderr)
        sys.exit(2)
    print('XML valid')
except MissingOptionalDependencyException as error:
    print('XML-validation was skipped due to', error)

# endregion XML