cti-python-stix2/stix2/v20/sro.py

88 lines
4.4 KiB
Python

"""STIX 2.0 Relationship Objects."""
from collections import OrderedDict
from ..core import STIXRelationshipObject
from ..properties import (
BooleanProperty, IDProperty, IntegerProperty, ListProperty,
ReferenceProperty, StringProperty, TimestampProperty, TypeProperty,
)
from ..utils import NOW
from .common import ExternalReference, GranularMarking
class Relationship(STIXRelationshipObject):
"""For more detailed information on this object's properties, see
`the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714340>`__.
"""
_invalid_source_target_types = ['bundle', 'language-content', 'marking-definition', 'relationship', 'sighting']
_type = 'relationship'
_properties = OrderedDict([
('type', TypeProperty(_type)),
('id', IDProperty(_type, spec_version='2.0')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
('relationship_type', StringProperty(required=True)),
('description', StringProperty()),
('source_ref', ReferenceProperty(invalid_types=_invalid_source_target_types, spec_version='2.0', required=True)),
('target_ref', ReferenceProperty(invalid_types=_invalid_source_target_types, spec_version='2.0', required=True)),
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
('granular_markings', ListProperty(GranularMarking)),
])
# Explicitly define the first three kwargs to make readable Relationship declarations.
def __init__(
self, source_ref=None, relationship_type=None,
target_ref=None, **kwargs
):
# Allow (source_ref, relationship_type, target_ref) as positional args.
if source_ref and not kwargs.get('source_ref'):
kwargs['source_ref'] = source_ref
if relationship_type and not kwargs.get('relationship_type'):
kwargs['relationship_type'] = relationship_type
if target_ref and not kwargs.get('target_ref'):
kwargs['target_ref'] = target_ref
super(Relationship, self).__init__(**kwargs)
class Sighting(STIXRelationshipObject):
"""For more detailed information on this object's properties, see
`the STIX 2.0 specification <http://docs.oasis-open.org/cti/stix/v2.0/cs01/part2-stix-objects/stix-v2.0-cs01-part2-stix-objects.html#_Toc496714343>`__.
"""
_type = 'sighting'
_properties = OrderedDict([
('type', TypeProperty(_type)),
('id', IDProperty(_type, spec_version='2.0')),
('created_by_ref', ReferenceProperty(valid_types='identity', spec_version='2.0')),
('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
('first_seen', TimestampProperty()),
('last_seen', TimestampProperty()),
('count', IntegerProperty(min=0, max=999999999)),
('sighting_of_ref', ReferenceProperty(valid_types="SDO", spec_version='2.0', required=True)),
('observed_data_refs', ListProperty(ReferenceProperty(valid_types='observed-data', spec_version='2.0'))),
('where_sighted_refs', ListProperty(ReferenceProperty(valid_types='identity', spec_version='2.0'))),
('summary', BooleanProperty(default=lambda: False)),
('revoked', BooleanProperty(default=lambda: False)),
('labels', ListProperty(StringProperty)),
('external_references', ListProperty(ExternalReference)),
('object_marking_refs', ListProperty(ReferenceProperty(valid_types='marking-definition', spec_version='2.0'))),
('granular_markings', ListProperty(GranularMarking)),
])
# Explicitly define the first kwargs to make readable Sighting declarations.
def __init__(self, sighting_of_ref=None, **kwargs):
# Allow sighting_of_ref as a positional arg.
if sighting_of_ref and not kwargs.get('sighting_of_ref'):
kwargs['sighting_of_ref'] = sighting_of_ref
super(Sighting, self).__init__(**kwargs)