cti-python-stix2/stix2/markings.py

77 lines
2.4 KiB
Python

"""STIX 2.0 Marking Objects"""
from .base import _STIXBase
from .properties import IDProperty, TypeProperty, ListProperty, ReferenceProperty, Property, SelectorProperty
from .utils import NOW
class GranularMarking(_STIXBase):
_properties = {
'marking_ref': ReferenceProperty(required=True, type="marking-definition"),
'selectors': ListProperty(SelectorProperty, required=True),
}
class MarkingDefinition(_STIXBase):
_type = 'marking-definition'
_properties = {
'created': Property(default=lambda: NOW),
'external_references': Property(),
'created_by_ref': ReferenceProperty(type="identity"),
'object_marking_refs': ListProperty(ReferenceProperty(type="marking-definition")),
'granular_marking': ListProperty(GranularMarking),
'type': TypeProperty(_type),
'id': IDProperty(_type),
'definition_type': Property(),
'definition': Property(),
}
class TLPMarking(_STIXBase):
# TODO: don't allow the creation of any other TLPMarkings than the ones below
_properties = {
'tlp': Property(required=True)
}
class StatementMarking(_STIXBase):
_properties = {
'statement': Property(required=True)
}
def __init__(self, statement=None, **kwargs):
# Allow statement as positional args.
if statement and not kwargs.get('statement'):
kwargs['statement'] = statement
super(StatementMarking, self).__init__(**kwargs)
TLP_WHITE = MarkingDefinition(
id="marking-definition--613f2e26-407d-48c7-9eca-b8e91df99dc9",
created="2017-01-20T00:00:00.000Z",
definition_type="tlp",
definition=TLPMarking(tlp="white")
)
TLP_GREEN = MarkingDefinition(
id="marking-definition--34098fce-860f-48ae-8e50-ebd3cc5e41da",
created="2017-01-20T00:00:00.000Z",
definition_type="tlp",
definition=TLPMarking(tlp="green")
)
TLP_AMBER = MarkingDefinition(
id="marking-definition--f88d31f6-486f-44da-b317-01333bde0b82",
created="2017-01-20T00:00:00.000Z",
definition_type="tlp",
definition=TLPMarking(tlp="amber")
)
TLP_RED = MarkingDefinition(
id="marking-definition--5e57c739-391a-4eb3-b6be-7d15ca92d5ed",
created="2017-01-20T00:00:00.000Z",
definition_type="tlp",
definition=TLPMarking(tlp="red")
)