1092 lines
32 KiB
Python
1092 lines
32 KiB
Python
import pytest
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import stix2
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from stix2 import parsing
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import stix2.v20
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from ...exceptions import DuplicateRegistrationError, InvalidValueError
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from .constants import FAKE_TIME, IDENTITY_ID, MARKING_DEFINITION_ID
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IDENTITY_CUSTOM_PROP = stix2.v20.Identity(
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name="John Smith",
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identity_class="individual",
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x_foo="bar",
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allow_custom=True,
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)
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def test_identity_custom_property():
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with pytest.raises(ValueError) as excinfo:
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stix2.v20.Identity(
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id=IDENTITY_ID,
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created="2015-12-21T19:59:11Z",
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modified="2015-12-21T19:59:11Z",
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name="John Smith",
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identity_class="individual",
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custom_properties="foobar",
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)
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assert str(excinfo.value) == "'custom_properties' must be a dictionary"
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with pytest.raises(stix2.exceptions.ExtraPropertiesError) as excinfo:
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stix2.v20.Identity(
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id=IDENTITY_ID,
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created="2015-12-21T19:59:11Z",
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modified="2015-12-21T19:59:11Z",
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name="John Smith",
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identity_class="individual",
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custom_properties={
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"foo": "bar",
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},
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foo="bar",
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)
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assert "Unexpected properties for Identity" in str(excinfo.value)
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identity = stix2.v20.Identity(
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id=IDENTITY_ID,
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created="2015-12-21T19:59:11Z",
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modified="2015-12-21T19:59:11Z",
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name="John Smith",
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identity_class="individual",
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custom_properties={
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"foo": "bar",
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},
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)
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assert identity.foo == "bar"
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def test_identity_custom_property_invalid():
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with pytest.raises(stix2.exceptions.ExtraPropertiesError) as excinfo:
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stix2.v20.Identity(
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id=IDENTITY_ID,
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created="2015-12-21T19:59:11Z",
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modified="2015-12-21T19:59:11Z",
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name="John Smith",
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identity_class="individual",
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x_foo="bar",
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)
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assert excinfo.value.cls == stix2.v20.Identity
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assert excinfo.value.properties == ['x_foo']
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assert "Unexpected properties for" in str(excinfo.value)
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def test_identity_custom_property_allowed():
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identity = stix2.v20.Identity(
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id=IDENTITY_ID,
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created="2015-12-21T19:59:11Z",
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modified="2015-12-21T19:59:11Z",
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name="John Smith",
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identity_class="individual",
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x_foo="bar",
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allow_custom=True,
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)
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assert identity.x_foo == "bar"
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@pytest.mark.parametrize(
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"data", [
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"""{
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"type": "identity",
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"id": "identity--311b2d2d-f010-4473-83ec-1edf84858f4c",
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"created": "2015-12-21T19:59:11Z",
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"modified": "2015-12-21T19:59:11Z",
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"name": "John Smith",
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"identity_class": "individual",
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"foo": "bar"
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}""",
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],
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)
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def test_parse_identity_custom_property(data):
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with pytest.raises(stix2.exceptions.ExtraPropertiesError) as excinfo:
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stix2.parse(data, version="2.0")
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assert issubclass(excinfo.value.cls, stix2.v20.Identity)
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assert excinfo.value.properties == ['foo']
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assert "Unexpected properties for" in str(excinfo.value)
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identity = stix2.parse(data, version="2.0", allow_custom=True)
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assert identity.foo == "bar"
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def test_custom_property_object_in_bundled_object():
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bundle = stix2.v20.Bundle(IDENTITY_CUSTOM_PROP, allow_custom=True)
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assert bundle.objects[0].x_foo == "bar"
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assert '"x_foo": "bar"' in str(bundle)
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def test_custom_properties_object_in_bundled_object():
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obj = stix2.v20.Identity(
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name="John Smith",
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identity_class="individual",
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custom_properties={
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"x_foo": "bar",
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},
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)
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bundle = stix2.v20.Bundle(obj, allow_custom=True)
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assert bundle.objects[0].x_foo == "bar"
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assert '"x_foo": "bar"' in str(bundle)
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def test_custom_property_dict_in_bundled_object():
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custom_identity = {
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'type': 'identity',
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'id': IDENTITY_ID,
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'created': '2015-12-21T19:59:11Z',
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'name': 'John Smith',
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'identity_class': 'individual',
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'x_foo': 'bar',
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}
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with pytest.raises(InvalidValueError):
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stix2.v20.Bundle(custom_identity)
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bundle = stix2.v20.Bundle(custom_identity, allow_custom=True)
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assert bundle.objects[0].x_foo == "bar"
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assert '"x_foo": "bar"' in str(bundle)
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def test_custom_properties_dict_in_bundled_object():
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custom_identity = {
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'type': 'identity',
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'id': IDENTITY_ID,
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'created': '2015-12-21T19:59:11Z',
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'name': 'John Smith',
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'identity_class': 'individual',
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'custom_properties': {
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'x_foo': 'bar',
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},
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}
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bundle = stix2.v20.Bundle(custom_identity)
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assert bundle.objects[0].x_foo == "bar"
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assert '"x_foo": "bar"' in str(bundle)
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def test_custom_property_in_observed_data():
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artifact = stix2.v20.File(
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allow_custom=True,
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name='test',
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x_foo='bar',
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)
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observed_data = stix2.v20.ObservedData(
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allow_custom=True,
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first_observed="2015-12-21T19:00:00Z",
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last_observed="2015-12-21T19:00:00Z",
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number_observed=1,
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objects={"0": artifact},
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)
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assert observed_data.objects['0'].x_foo == "bar"
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assert '"x_foo": "bar"' in str(observed_data)
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def test_custom_property_object_in_observable_extension():
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ntfs = stix2.v20.NTFSExt(
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allow_custom=True,
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sid=1,
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x_foo='bar',
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)
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artifact = stix2.v20.File(
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name='test',
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extensions={'ntfs-ext': ntfs},
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)
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observed_data = stix2.v20.ObservedData(
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allow_custom=True,
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first_observed="2015-12-21T19:00:00Z",
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last_observed="2015-12-21T19:00:00Z",
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number_observed=1,
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objects={"0": artifact},
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)
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assert observed_data.objects['0'].extensions['ntfs-ext'].x_foo == "bar"
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assert '"x_foo": "bar"' in str(observed_data)
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def test_custom_property_dict_in_observable_extension():
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with pytest.raises(InvalidValueError):
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stix2.v20.File(
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name='test',
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extensions={
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'ntfs-ext': {
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'sid': 1,
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'x_foo': 'bar',
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},
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},
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)
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artifact = stix2.v20.File(
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allow_custom=True,
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name='test',
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extensions={
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'ntfs-ext': {
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'allow_custom': True,
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'sid': 1,
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'x_foo': 'bar',
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},
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},
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)
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observed_data = stix2.v20.ObservedData(
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allow_custom=True,
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first_observed="2015-12-21T19:00:00Z",
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last_observed="2015-12-21T19:00:00Z",
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number_observed=1,
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objects={"0": artifact},
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)
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assert observed_data.objects['0'].extensions['ntfs-ext'].x_foo == "bar"
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assert '"x_foo": "bar"' in str(observed_data)
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def test_identity_custom_property_revoke():
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identity = IDENTITY_CUSTOM_PROP.revoke()
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assert identity.x_foo == "bar"
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def test_identity_custom_property_edit_markings():
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marking_obj = stix2.v20.MarkingDefinition(
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id=MARKING_DEFINITION_ID,
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definition_type="statement",
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definition=stix2.v20.StatementMarking(statement="Copyright 2016, Example Corp"),
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)
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marking_obj2 = stix2.v20.MarkingDefinition(
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id=MARKING_DEFINITION_ID,
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definition_type="statement",
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definition=stix2.v20.StatementMarking(statement="Another one"),
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)
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# None of the following should throw exceptions
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identity = IDENTITY_CUSTOM_PROP.add_markings(marking_obj)
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identity2 = identity.add_markings(marking_obj2, ['x_foo'])
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identity2.remove_markings(marking_obj.id)
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identity2.remove_markings(marking_obj2.id, ['x_foo'])
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identity2.clear_markings()
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identity2.clear_markings('x_foo')
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def test_custom_marking_no_init_1():
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@stix2.v20.CustomMarking(
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'x-new-obj', [
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('property1', stix2.properties.StringProperty(required=True)),
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],
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)
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class NewObj():
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pass
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no = NewObj(property1='something')
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assert no.property1 == 'something'
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def test_custom_marking_no_init_2():
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@stix2.v20.CustomMarking(
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'x-new-obj2', [
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('property1', stix2.properties.StringProperty(required=True)),
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],
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)
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class NewObj2(object):
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pass
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no2 = NewObj2(property1='something')
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assert no2.property1 == 'something'
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def test_register_duplicate_marking():
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with pytest.raises(DuplicateRegistrationError) as excinfo:
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@stix2.v20.CustomMarking(
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'x-new-obj2', [
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('property1', stix2.properties.StringProperty(required=True)),
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],
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)
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class NewObj2():
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pass
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assert "cannot be registered again" in str(excinfo.value)
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@stix2.v20.CustomObject(
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'x-new-type', [
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('property1', stix2.properties.StringProperty(required=True)),
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('property2', stix2.properties.IntegerProperty()),
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],
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)
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class NewType(object):
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def __init__(self, property2=None, **kwargs):
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if property2 and property2 < 10:
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raise ValueError("'property2' is too small.")
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if "property3" in kwargs and not isinstance(kwargs.get("property3"), int):
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raise TypeError("Must be integer!")
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def test_custom_object_raises_exception():
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with pytest.raises(TypeError) as excinfo:
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NewType(property1='something', property3='something', allow_custom=True)
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assert str(excinfo.value) == "Must be integer!"
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def test_custom_object_type():
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nt = NewType(property1='something')
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assert nt.property1 == 'something'
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with pytest.raises(stix2.exceptions.MissingPropertiesError) as excinfo:
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NewType(property2=42)
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assert "No values for required properties" in str(excinfo.value)
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with pytest.raises(ValueError) as excinfo:
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NewType(property1='something', property2=4)
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assert "'property2' is too small." in str(excinfo.value)
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def test_custom_object_no_init_1():
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@stix2.v20.CustomObject(
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'x-new-obj', [
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('property1', stix2.properties.StringProperty(required=True)),
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],
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)
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class NewObj():
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pass
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no = NewObj(property1='something')
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assert no.property1 == 'something'
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def test_custom_object_no_init_2():
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@stix2.v20.CustomObject(
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'x-new-obj2', [
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('property1', stix2.properties.StringProperty(required=True)),
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],
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)
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class NewObj2(object):
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pass
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no2 = NewObj2(property1='something')
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assert no2.property1 == 'something'
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def test_custom_object_invalid_type_name():
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with pytest.raises(ValueError) as excinfo:
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@stix2.v20.CustomObject(
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'x', [
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('property1', stix2.properties.StringProperty(required=True)),
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],
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)
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class NewObj(object):
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pass # pragma: no cover
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assert "Invalid type name 'x': " in str(excinfo.value)
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with pytest.raises(ValueError) as excinfo:
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@stix2.v20.CustomObject(
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'x_new_object', [
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('property1', stix2.properties.StringProperty(required=True)),
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],
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)
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class NewObj2(object):
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pass # pragma: no cover
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assert "Invalid type name 'x_new_object':" in str(excinfo.value)
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def test_parse_custom_object_type():
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nt_string = """{
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"type": "x-new-type",
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"created": "2015-12-21T19:59:11Z",
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"property1": "something"
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}"""
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nt = stix2.parse(nt_string, version="2.0", allow_custom=True)
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assert nt["property1"] == 'something'
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def test_parse_unregistered_custom_object_type():
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nt_string = """{
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"type": "x-foobar-observable",
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"created": "2015-12-21T19:59:11Z",
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"property1": "something"
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}"""
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with pytest.raises(stix2.exceptions.ParseError) as excinfo:
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stix2.parse(nt_string, version="2.0")
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assert "Can't parse unknown object type" in str(excinfo.value)
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assert "use the CustomObject decorator." in str(excinfo.value)
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def test_parse_unregistered_custom_object_type_w_allow_custom():
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"""parse an unknown custom object, allowed by passing
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'allow_custom' flag
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"""
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nt_string = """{
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"type": "x-foobar-observable",
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"created": "2015-12-21T19:59:11Z",
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"property1": "something"
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}"""
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custom_obj = stix2.parse(nt_string, version="2.0", allow_custom=True)
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assert custom_obj["type"] == "x-foobar-observable"
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@stix2.v20.CustomObservable(
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'x-new-observable', [
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('property1', stix2.properties.StringProperty(required=True)),
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('property2', stix2.properties.IntegerProperty()),
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('x_property3', stix2.properties.BooleanProperty()),
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],
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)
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class NewObservable():
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def __init__(self, property2=None, **kwargs):
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if property2 and property2 < 10:
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raise ValueError("'property2' is too small.")
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if "property3" in kwargs and not isinstance(kwargs.get("property3"), int):
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raise TypeError("Must be integer!")
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def test_custom_observable_object_1():
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no = NewObservable(property1='something')
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assert no.property1 == 'something'
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def test_custom_observable_object_2():
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with pytest.raises(stix2.exceptions.MissingPropertiesError) as excinfo:
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NewObservable(property2=42)
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assert excinfo.value.properties == ['property1']
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assert "No values for required properties" in str(excinfo.value)
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def test_custom_observable_object_3():
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with pytest.raises(ValueError) as excinfo:
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NewObservable(property1='something', property2=4)
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assert "'property2' is too small." in str(excinfo.value)
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|
|
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def test_custom_observable_raises_exception():
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with pytest.raises(TypeError) as excinfo:
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NewObservable(property1='something', property3='something', allow_custom=True)
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assert str(excinfo.value) == "Must be integer!"
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def test_custom_observable_object_no_init_1():
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@stix2.v20.CustomObservable(
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'x-new-observable-1', [
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('property1', stix2.properties.StringProperty()),
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],
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)
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class NewObs():
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pass
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no = NewObs(property1='something')
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assert no.property1 == 'something'
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def test_custom_observable_object_no_init_2():
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@stix2.v20.CustomObservable(
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'x-new-obs2', [
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('property1', stix2.properties.StringProperty()),
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],
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)
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class NewObs2(object):
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pass
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no2 = NewObs2(property1='something')
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assert no2.property1 == 'something'
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def test_custom_observable_object_invalid_type_name():
|
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with pytest.raises(ValueError) as excinfo:
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@stix2.v20.CustomObservable(
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'x', [
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('property1', stix2.properties.StringProperty()),
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],
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)
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class NewObs(object):
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pass # pragma: no cover
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assert "Invalid type name 'x':" in str(excinfo.value)
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with pytest.raises(ValueError) as excinfo:
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@stix2.v20.CustomObservable(
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'x_new_obs', [
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('property1', stix2.properties.StringProperty()),
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],
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)
|
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class NewObs2(object):
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pass # pragma: no cover
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assert "Invalid type name 'x_new_obs':" in str(excinfo.value)
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def test_custom_observable_object_invalid_ref_property():
|
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with pytest.raises(ValueError) as excinfo:
|
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@stix2.v20.CustomObservable(
|
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'x-new-obs', [
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('property_ref', stix2.properties.StringProperty()),
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],
|
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)
|
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class NewObs():
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pass
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assert "is named like an object reference property but is not an ObjectReferenceProperty" in str(excinfo.value)
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def test_custom_observable_object_invalid_refs_property():
|
|
with pytest.raises(ValueError) as excinfo:
|
|
@stix2.v20.CustomObservable(
|
|
'x-new-obs', [
|
|
('property_refs', stix2.properties.StringProperty()),
|
|
],
|
|
)
|
|
class NewObs():
|
|
pass
|
|
assert "is named like an object reference list property but is not a ListProperty containing ObjectReferenceProperty" in str(excinfo.value)
|
|
|
|
|
|
def test_custom_observable_object_invalid_refs_list_property():
|
|
with pytest.raises(ValueError) as excinfo:
|
|
@stix2.v20.CustomObservable(
|
|
'x-new-obs', [
|
|
('property_refs', stix2.properties.ListProperty(stix2.properties.StringProperty)),
|
|
],
|
|
)
|
|
class NewObs():
|
|
pass
|
|
assert "is named like an object reference list property but is not a ListProperty containing ObjectReferenceProperty" in str(excinfo.value)
|
|
|
|
|
|
def test_custom_observable_object_invalid_valid_refs():
|
|
@stix2.v20.CustomObservable(
|
|
'x-new-obs', [
|
|
('property1', stix2.properties.StringProperty(required=True)),
|
|
('property_ref', stix2.properties.ObjectReferenceProperty(valid_types='email-addr')),
|
|
],
|
|
)
|
|
class NewObs():
|
|
pass
|
|
|
|
with pytest.raises(Exception) as excinfo:
|
|
NewObs(
|
|
_valid_refs=['1'],
|
|
property1='something',
|
|
property_ref='1',
|
|
)
|
|
assert "must be created with _valid_refs as a dict, not a list" in str(excinfo.value)
|
|
|
|
|
|
def test_custom_no_properties_raises_exception():
|
|
with pytest.raises(TypeError):
|
|
|
|
@stix2.v20.CustomObject('x-new-object-type')
|
|
class NewObject1(object):
|
|
pass
|
|
|
|
|
|
def test_custom_wrong_properties_arg_raises_exception():
|
|
with pytest.raises(ValueError):
|
|
|
|
@stix2.v20.CustomObservable('x-new-object-type', (("prop", stix2.properties.BooleanProperty())))
|
|
class NewObject2(object):
|
|
pass
|
|
|
|
|
|
def test_parse_custom_observable_object():
|
|
nt_string = """{
|
|
"type": "x-new-observable",
|
|
"property1": "something"
|
|
}"""
|
|
|
|
nt = stix2.parse_observable(nt_string, [], version='2.0')
|
|
assert isinstance(nt, stix2.base._STIXBase)
|
|
assert nt.property1 == 'something'
|
|
|
|
|
|
def test_parse_unregistered_custom_observable_object():
|
|
nt_string = """{
|
|
"type": "x-foobar-observable",
|
|
"property1": "something"
|
|
}"""
|
|
|
|
with pytest.raises(stix2.exceptions.ParseError) as excinfo:
|
|
stix2.parse_observable(nt_string, version='2.0')
|
|
assert "Can't parse unknown observable type" in str(excinfo.value)
|
|
|
|
parsed_custom = stix2.parse_observable(nt_string, allow_custom=True, version='2.0')
|
|
assert parsed_custom['property1'] == 'something'
|
|
with pytest.raises(AttributeError) as excinfo:
|
|
assert parsed_custom.property1 == 'something'
|
|
assert not isinstance(parsed_custom, stix2.base._STIXBase)
|
|
|
|
|
|
def test_parse_unregistered_custom_observable_object_with_no_type():
|
|
nt_string = """{
|
|
"property1": "something"
|
|
}"""
|
|
|
|
with pytest.raises(stix2.exceptions.ParseError) as excinfo:
|
|
stix2.parse_observable(nt_string, allow_custom=True, version='2.0')
|
|
assert "Can't parse observable with no 'type' property" in str(excinfo.value)
|
|
|
|
|
|
def test_parse_observed_data_with_custom_observable():
|
|
input_str = """{
|
|
"type": "observed-data",
|
|
"id": "observed-data--dc20c4ca-a2a3-4090-a5d5-9558c3af4758",
|
|
"created": "2016-04-06T19:58:16.000Z",
|
|
"modified": "2016-04-06T19:58:16.000Z",
|
|
"first_observed": "2015-12-21T19:00:00Z",
|
|
"last_observed": "2015-12-21T19:00:00Z",
|
|
"number_observed": 1,
|
|
"objects": {
|
|
"0": {
|
|
"type": "x-foobar-observable",
|
|
"property1": "something"
|
|
}
|
|
}
|
|
}"""
|
|
parsed = stix2.parse(input_str, version="2.0", allow_custom=True)
|
|
assert parsed.objects['0']['property1'] == 'something'
|
|
|
|
|
|
def test_parse_invalid_custom_observable_object():
|
|
nt_string = """{
|
|
"property1": "something"
|
|
}"""
|
|
|
|
with pytest.raises(stix2.exceptions.ParseError) as excinfo:
|
|
stix2.parse_observable(nt_string, version='2.0')
|
|
assert "Can't parse observable with no 'type' property" in str(excinfo.value)
|
|
|
|
|
|
def test_observable_custom_property():
|
|
with pytest.raises(ValueError) as excinfo:
|
|
NewObservable(
|
|
property1='something',
|
|
custom_properties="foobar",
|
|
)
|
|
assert "'custom_properties' must be a dictionary" in str(excinfo.value)
|
|
|
|
no = NewObservable(
|
|
property1='something',
|
|
custom_properties={
|
|
"foo": "bar",
|
|
},
|
|
)
|
|
assert no.foo == "bar"
|
|
|
|
|
|
def test_observable_custom_property_invalid():
|
|
with pytest.raises(stix2.exceptions.ExtraPropertiesError) as excinfo:
|
|
NewObservable(
|
|
property1='something',
|
|
x_foo="bar",
|
|
)
|
|
assert excinfo.value.properties == ['x_foo']
|
|
assert "Unexpected properties for" in str(excinfo.value)
|
|
|
|
|
|
def test_observable_custom_property_allowed():
|
|
no = NewObservable(
|
|
property1='something',
|
|
x_foo="bar",
|
|
allow_custom=True,
|
|
)
|
|
assert no.x_foo == "bar"
|
|
|
|
|
|
def test_observed_data_with_custom_observable_object():
|
|
no = NewObservable(property1='something')
|
|
ob_data = stix2.v20.ObservedData(
|
|
first_observed=FAKE_TIME,
|
|
last_observed=FAKE_TIME,
|
|
number_observed=1,
|
|
objects={'0': no},
|
|
allow_custom=True,
|
|
)
|
|
assert ob_data.objects['0'].property1 == 'something'
|
|
|
|
|
|
@stix2.v20.CustomExtension(
|
|
'x-new-ext', [
|
|
('property1', stix2.properties.StringProperty(required=True)),
|
|
('property2', stix2.properties.IntegerProperty()),
|
|
],
|
|
)
|
|
class NewExtension():
|
|
def __init__(self, property2=None, **kwargs):
|
|
if property2 and property2 < 10:
|
|
raise ValueError("'property2' is too small.")
|
|
if "property3" in kwargs and not isinstance(kwargs.get("property3"), int):
|
|
raise TypeError("Must be integer!")
|
|
|
|
|
|
def test_custom_extension_raises_exception():
|
|
with pytest.raises(TypeError) as excinfo:
|
|
NewExtension(property1='something', property3='something', allow_custom=True)
|
|
|
|
assert str(excinfo.value) == "Must be integer!"
|
|
|
|
|
|
def test_custom_extension():
|
|
ext = NewExtension(property1='something')
|
|
assert ext.property1 == 'something'
|
|
|
|
with pytest.raises(stix2.exceptions.MissingPropertiesError) as excinfo:
|
|
NewExtension(property2=42)
|
|
assert excinfo.value.properties == ['property1']
|
|
assert str(excinfo.value) == "No values for required properties for NewExtension: (property1)."
|
|
|
|
with pytest.raises(ValueError) as excinfo:
|
|
NewExtension(property1='something', property2=4)
|
|
assert str(excinfo.value) == "'property2' is too small."
|
|
|
|
|
|
def test_custom_extension_wrong_observable_type():
|
|
# NewExtension is an extension of DomainName, not File
|
|
ext = NewExtension(property1='something')
|
|
with pytest.raises(InvalidValueError) as excinfo:
|
|
stix2.v20.File(
|
|
name="abc.txt",
|
|
extensions={
|
|
"ntfs-ext": ext,
|
|
},
|
|
)
|
|
|
|
assert 'Cannot determine extension type' in excinfo.value.reason
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
"data", [
|
|
"""{
|
|
"keys": [
|
|
{
|
|
"test123": 123,
|
|
"test345": "aaaa"
|
|
}
|
|
]
|
|
}""",
|
|
],
|
|
)
|
|
def test_custom_extension_with_list_and_dict_properties_observable_type(data):
|
|
@stix2.v20.CustomExtension(
|
|
'some-extension', [
|
|
('keys', stix2.properties.ListProperty(stix2.properties.DictionaryProperty, required=True)),
|
|
],
|
|
)
|
|
class SomeCustomExtension:
|
|
pass
|
|
|
|
example = SomeCustomExtension(keys=[{'test123': 123, 'test345': 'aaaa'}])
|
|
assert data == str(example)
|
|
|
|
|
|
def test_custom_extension_invalid_type_name():
|
|
with pytest.raises(ValueError) as excinfo:
|
|
@stix2.v20.CustomExtension(
|
|
'x', {
|
|
'property1': stix2.properties.StringProperty(required=True),
|
|
},
|
|
)
|
|
class FooExtension():
|
|
pass # pragma: no cover
|
|
assert "Invalid type name 'x':" in str(excinfo.value)
|
|
|
|
with pytest.raises(ValueError) as excinfo:
|
|
@stix2.v20.CustomExtension(
|
|
'x_new_ext', {
|
|
'property1': stix2.properties.StringProperty(required=True),
|
|
},
|
|
)
|
|
class BlaExtension():
|
|
pass # pragma: no cover
|
|
assert "Invalid type name 'x_new_ext':" in str(excinfo.value)
|
|
|
|
|
|
def test_custom_extension_no_properties():
|
|
with pytest.raises(ValueError):
|
|
@stix2.v20.CustomExtension('x-new-ext2', None)
|
|
class BarExtension():
|
|
pass
|
|
|
|
|
|
def test_custom_extension_empty_properties():
|
|
with pytest.raises(ValueError):
|
|
@stix2.v20.CustomExtension('x-new-ext2', [])
|
|
class BarExtension():
|
|
pass
|
|
|
|
|
|
def test_custom_extension_dict_properties():
|
|
with pytest.raises(ValueError):
|
|
@stix2.v20.CustomExtension('x-new-ext2', {})
|
|
class BarExtension():
|
|
pass
|
|
|
|
|
|
def test_custom_extension_no_init_1():
|
|
@stix2.v20.CustomExtension(
|
|
'x-new-extension', [
|
|
('property1', stix2.properties.StringProperty(required=True)),
|
|
],
|
|
)
|
|
class NewExt():
|
|
pass
|
|
|
|
ne = NewExt(property1="foobar")
|
|
assert ne.property1 == "foobar"
|
|
|
|
|
|
def test_custom_extension_no_init_2():
|
|
@stix2.v20.CustomExtension(
|
|
'x-new-ext2', [
|
|
('property1', stix2.properties.StringProperty(required=True)),
|
|
],
|
|
)
|
|
class NewExt2(object):
|
|
pass
|
|
|
|
ne2 = NewExt2(property1="foobar")
|
|
assert ne2.property1 == "foobar"
|
|
|
|
|
|
def test_parse_observable_with_custom_extension():
|
|
input_str = """{
|
|
"type": "domain-name",
|
|
"value": "example.com",
|
|
"extensions": {
|
|
"x-new-ext": {
|
|
"property1": "foo",
|
|
"property2": 12
|
|
}
|
|
}
|
|
}"""
|
|
|
|
parsed = stix2.parse_observable(input_str, version='2.0')
|
|
assert parsed.extensions['x-new-ext'].property2 == 12
|
|
|
|
|
|
def test_custom_and_spec_extension_mix():
|
|
"""
|
|
Try to make sure that when allow_custom=True, encountering a custom
|
|
extension doesn't result in a completely uncleaned extensions property.
|
|
"""
|
|
|
|
file_obs = stix2.v20.File(
|
|
name="my_file.dat",
|
|
extensions={
|
|
"x-custom1": {
|
|
"a": 1,
|
|
"b": 2,
|
|
},
|
|
"ntfs-ext": {
|
|
"sid": "S-1-whatever",
|
|
},
|
|
"x-custom2": {
|
|
"z": 99.9,
|
|
"y": False,
|
|
},
|
|
"raster-image-ext": {
|
|
"image_height": 1024,
|
|
"image_width": 768,
|
|
"bits_per_pixel": 32,
|
|
},
|
|
},
|
|
allow_custom=True,
|
|
)
|
|
|
|
assert file_obs.extensions["x-custom1"] == {"a": 1, "b": 2}
|
|
assert file_obs.extensions["x-custom2"] == {"y": False, "z": 99.9}
|
|
assert file_obs.extensions["ntfs-ext"].sid == "S-1-whatever"
|
|
assert file_obs.extensions["raster-image-ext"].image_height == 1024
|
|
|
|
# Both of these should have been converted to objects, not left as dicts.
|
|
assert isinstance(
|
|
file_obs.extensions["raster-image-ext"], stix2.v20.RasterImageExt,
|
|
)
|
|
assert isinstance(
|
|
file_obs.extensions["ntfs-ext"], stix2.v20.NTFSExt,
|
|
)
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
"data", [
|
|
# URL is not in EXT_MAP
|
|
"""{
|
|
"type": "url",
|
|
"value": "example.com",
|
|
"extensions": {
|
|
"x-foobar-ext": {
|
|
"property1": "foo",
|
|
"property2": 12
|
|
}
|
|
}
|
|
}""",
|
|
# File is in EXT_MAP
|
|
"""{
|
|
"type": "file",
|
|
"name": "foo.txt",
|
|
"extensions": {
|
|
"x-foobar-ext": {
|
|
"property1": "foo",
|
|
"property2": 12
|
|
}
|
|
}
|
|
}""",
|
|
],
|
|
)
|
|
def test_parse_observable_with_unregistered_custom_extension(data):
|
|
with pytest.raises(InvalidValueError) as excinfo:
|
|
stix2.parse_observable(data, version='2.0')
|
|
assert "Can't parse unknown extension type" in str(excinfo.value)
|
|
|
|
parsed_ob = stix2.parse_observable(data, allow_custom=True, version='2.0')
|
|
assert parsed_ob['extensions']['x-foobar-ext']['property1'] == 'foo'
|
|
assert not isinstance(parsed_ob['extensions']['x-foobar-ext'], stix2.base._STIXBase)
|
|
|
|
|
|
def test_register_custom_object():
|
|
# Not the way to register custom object.
|
|
class CustomObject2(object):
|
|
_type = 'awesome-object'
|
|
|
|
with pytest.raises(ValueError):
|
|
stix2.parsing._register_object(CustomObject2, version="2.0")
|
|
|
|
|
|
def test_extension_property_location():
|
|
assert 'extensions' in stix2.v20.OBJ_MAP_OBSERVABLE['x-new-observable']._properties
|
|
assert 'extensions' not in stix2.v20.EXT_MAP['x-new-ext']._properties
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
"data", [
|
|
"""{
|
|
"type": "x-example",
|
|
"id": "x-example--336d8a9f-91f1-46c5-b142-6441bb9f8b8d",
|
|
"created": "2018-06-12T16:20:58.059Z",
|
|
"modified": "2018-06-12T16:20:58.059Z",
|
|
"dictionary": {
|
|
"key": {
|
|
"key_a": "value",
|
|
"key_b": "value"
|
|
}
|
|
}
|
|
}""",
|
|
],
|
|
)
|
|
def test_custom_object_nested_dictionary(data):
|
|
@stix2.v20.CustomObject(
|
|
'x-example', [
|
|
('dictionary', stix2.properties.DictionaryProperty()),
|
|
],
|
|
)
|
|
class Example(object):
|
|
def __init__(self, **kwargs):
|
|
pass
|
|
|
|
example = Example(
|
|
id='x-example--336d8a9f-91f1-46c5-b142-6441bb9f8b8d',
|
|
created='2018-06-12T16:20:58.059Z',
|
|
modified='2018-06-12T16:20:58.059Z',
|
|
dictionary={'key': {'key_b': 'value', 'key_a': 'value'}},
|
|
)
|
|
|
|
assert data == str(example)
|
|
|
|
|
|
@stix2.v20.CustomObject(
|
|
'x-new-type-2', [
|
|
('property1', stix2.properties.StringProperty()),
|
|
('property2', stix2.properties.IntegerProperty()),
|
|
],
|
|
)
|
|
class NewType2(object):
|
|
pass
|
|
|
|
|
|
def test_register_custom_object_with_version():
|
|
custom_obj_1 = {
|
|
"type": "x-new-type-2",
|
|
"id": "x-new-type-2--00000000-0000-4000-8000-000000000007",
|
|
}
|
|
|
|
cust_obj_1 = parsing.dict_to_stix2(custom_obj_1, version='2.0')
|
|
v = 'v20'
|
|
|
|
assert cust_obj_1.type in parsing.STIX2_OBJ_MAPS[v]['objects']
|
|
# spec_version is not in STIX 2.0, and is required in 2.1, so this
|
|
# suffices as a test for a STIX 2.0 object.
|
|
assert "spec_version" not in cust_obj_1
|
|
|
|
|
|
def test_register_duplicate_object_with_version():
|
|
with pytest.raises(DuplicateRegistrationError) as excinfo:
|
|
@stix2.v20.CustomObject(
|
|
'x-new-type-2', [
|
|
('property1', stix2.properties.StringProperty()),
|
|
('property2', stix2.properties.IntegerProperty()),
|
|
],
|
|
)
|
|
class NewType2(object):
|
|
pass
|
|
assert "cannot be registered again" in str(excinfo.value)
|
|
|
|
|
|
@stix2.v20.CustomObservable(
|
|
'x-new-observable-2', [
|
|
('property1', stix2.properties.StringProperty()),
|
|
],
|
|
)
|
|
class NewObservable2(object):
|
|
pass
|
|
|
|
|
|
def test_register_observable_with_version():
|
|
custom_obs = NewObservable2(property1="Test Observable")
|
|
v = 'v20'
|
|
|
|
assert custom_obs.type in parsing.STIX2_OBJ_MAPS[v]['observables']
|
|
|
|
|
|
def test_register_duplicate_observable_with_version():
|
|
with pytest.raises(DuplicateRegistrationError) as excinfo:
|
|
@stix2.v20.CustomObservable(
|
|
'x-new-observable-2', [
|
|
('property1', stix2.properties.StringProperty()),
|
|
],
|
|
)
|
|
class NewObservable2(object):
|
|
pass
|
|
assert "cannot be registered again" in str(excinfo.value)
|
|
|
|
|
|
def test_register_marking_with_version():
|
|
@stix2.v20.CustomMarking(
|
|
'x-new-obj-2', [
|
|
('property1', stix2.properties.StringProperty(required=True)),
|
|
],
|
|
)
|
|
class NewObj2():
|
|
pass
|
|
v = 'v20'
|
|
|
|
no = NewObj2(property1='something')
|
|
assert no._type in parsing.STIX2_OBJ_MAPS[v]['markings']
|
|
|
|
|
|
def test_register_observable_extension_with_version():
|
|
@stix2.v20.CustomExtension(
|
|
'some-extension-2', [
|
|
('keys', stix2.properties.StringProperty(required=True)),
|
|
],
|
|
)
|
|
class SomeCustomExtension2:
|
|
pass
|
|
|
|
v = 'v20'
|
|
example = SomeCustomExtension2(keys='test123')
|
|
|
|
assert example._type in parsing.STIX2_OBJ_MAPS[v]['extensions']
|
|
|
|
|
|
def test_register_duplicate_observable_extension():
|
|
with pytest.raises(DuplicateRegistrationError) as excinfo:
|
|
@stix2.v20.CustomExtension(
|
|
'some-extension-2', [
|
|
('property1', stix2.properties.StringProperty(required=True)),
|
|
('property2', stix2.properties.IntegerProperty()),
|
|
],
|
|
)
|
|
class NewExtension2():
|
|
pass
|
|
assert "cannot be registered again" in str(excinfo.value)
|