83 lines
3.6 KiB
Python
83 lines
3.6 KiB
Python
"""STIX 2.0 Relationship Objects."""
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from collections import OrderedDict
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from .base import _STIXBase
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from .common import ExternalReference, GranularMarking
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from .markings import _MarkingsMixin
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from .properties import (BooleanProperty, IDProperty, IntegerProperty,
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ListProperty, ReferenceProperty, StringProperty,
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TimestampProperty, TypeProperty)
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from .utils import NOW
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class STIXRelationshipObject(_STIXBase, _MarkingsMixin):
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pass
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class Relationship(STIXRelationshipObject):
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_type = 'relationship'
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_properties = OrderedDict()
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_properties.update([
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('type', TypeProperty(_type)),
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('id', IDProperty(_type)),
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('created_by_ref', ReferenceProperty(type="identity")),
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('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
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('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
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('relationship_type', StringProperty(required=True)),
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('description', StringProperty()),
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('source_ref', ReferenceProperty(required=True)),
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('target_ref', ReferenceProperty(required=True)),
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('revoked', BooleanProperty()),
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('labels', ListProperty(StringProperty)),
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('external_references', ListProperty(ExternalReference)),
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('object_marking_refs', ListProperty(ReferenceProperty(type="marking-definition"))),
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('granular_markings', ListProperty(GranularMarking)),
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])
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# Explicitly define the first three kwargs to make readable Relationship declarations.
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def __init__(self, source_ref=None, relationship_type=None,
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target_ref=None, **kwargs):
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# Allow (source_ref, relationship_type, target_ref) as positional args.
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if source_ref and not kwargs.get('source_ref'):
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kwargs['source_ref'] = source_ref
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if relationship_type and not kwargs.get('relationship_type'):
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kwargs['relationship_type'] = relationship_type
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if target_ref and not kwargs.get('target_ref'):
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kwargs['target_ref'] = target_ref
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super(Relationship, self).__init__(**kwargs)
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class Sighting(STIXRelationshipObject):
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_type = 'sighting'
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_properties = OrderedDict()
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_properties.update([
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('type', TypeProperty(_type)),
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('id', IDProperty(_type)),
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('created_by_ref', ReferenceProperty(type="identity")),
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('created', TimestampProperty(default=lambda: NOW, precision='millisecond')),
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('modified', TimestampProperty(default=lambda: NOW, precision='millisecond')),
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('first_seen', TimestampProperty()),
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('last_seen', TimestampProperty()),
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('count', IntegerProperty()),
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('sighting_of_ref', ReferenceProperty(required=True)),
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('observed_data_refs', ListProperty(ReferenceProperty(type="observed-data"))),
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('where_sighted_refs', ListProperty(ReferenceProperty(type="identity"))),
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('summary', BooleanProperty()),
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('revoked', BooleanProperty()),
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('labels', ListProperty(StringProperty)),
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('external_references', ListProperty(ExternalReference)),
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('object_marking_refs', ListProperty(ReferenceProperty(type="marking-definition"))),
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('granular_markings', ListProperty(GranularMarking)),
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])
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# Explicitly define the first kwargs to make readable Sighting declarations.
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def __init__(self, sighting_of_ref=None, **kwargs):
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# Allow sighting_of_ref as a positional arg.
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if sighting_of_ref and not kwargs.get('sighting_of_ref'):
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kwargs['sighting_of_ref'] = sighting_of_ref
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super(Sighting, self).__init__(**kwargs)
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