MISP
/
cti-python-stix2
mirror of https://github.com/MISP/cti-python-stix2
2
0
Fork 0
Code Issues Releases Wiki Activity
cti-python-stix2/stix2/test/v21/test_datastore_filesystem.py

1129 lines
34 KiB
Python
Raw Blame History

import datetime
import errno
import json
import os
import shutil
import stat
import pytest
import pytz
import stix2
from stix2.datastore.filesystem import (
AuthSet, _find_search_optimizations, _get_matching_dir_entries,
_timestamp2filename,
)
from stix2.exceptions import STIXError
from .constants import (
CAMPAIGN_ID, CAMPAIGN_KWARGS, IDENTITY_ID, IDENTITY_KWARGS, INDICATOR_ID,
INDICATOR_KWARGS, MALWARE_ID, MALWARE_KWARGS, RELATIONSHIP_IDS,
)
FS_PATH = os.path.join(os.path.dirname(os.path.realpath(__file__)), "stix2_data")
@pytest.fixture
def fs_store():
# create
yield stix2.FileSystemStore(FS_PATH)
# remove campaign dir
shutil.rmtree(os.path.join(FS_PATH, "campaign"), True)
@pytest.fixture
def fs_source():
# create
fs = stix2.FileSystemSource(FS_PATH)
assert fs.stix_dir == FS_PATH
yield fs
# remove campaign dir
shutil.rmtree(os.path.join(FS_PATH, "campaign"), True)
@pytest.fixture
def fs_sink():
# create
fs = stix2.FileSystemSink(FS_PATH)
assert fs.stix_dir == FS_PATH
yield fs
# remove campaign dir
shutil.rmtree(os.path.join(FS_PATH, "campaign"), True)
@pytest.fixture
def bad_json_files():
# create erroneous JSON files for tests to make sure handled gracefully
with open(os.path.join(FS_PATH, "intrusion-set", "intrusion-set--test-non-json.txt"), "w+") as f:
f.write("Im not a JSON file")
with open(os.path.join(FS_PATH, "intrusion-set", "intrusion-set--test-bad-json.json"), "w+") as f:
f.write("Im not a JSON formatted file")
yield True # dummy yield so can have teardown
os.remove(os.path.join(FS_PATH, "intrusion-set", "intrusion-set--test-non-json.txt"))
os.remove(os.path.join(FS_PATH, "intrusion-set", "intrusion-set--test-bad-json.json"))
@pytest.fixture
def bad_stix_files():
# create erroneous STIX JSON files for tests to make sure handled correctly
# bad STIX object
stix_obj = {
"id": "intrusion-set--test-bad-stix",
"spec_version": "2.0",
# no "type" field
}
with open(os.path.join(FS_PATH, "intrusion-set", "intrusion-set--test-non-stix.json"), "w+") as f:
f.write(json.dumps(stix_obj))
yield True # dummy yield so can have teardown
os.remove(os.path.join(FS_PATH, "intrusion-set", "intrusion-set--test-non-stix.json"))
@pytest.fixture(scope='module')
def rel_fs_store():
cam = stix2.v21.Campaign(id=CAMPAIGN_ID, **CAMPAIGN_KWARGS)
idy = stix2.v21.Identity(id=IDENTITY_ID, **IDENTITY_KWARGS)
ind = stix2.v21.Indicator(id=INDICATOR_ID, **INDICATOR_KWARGS)
mal = stix2.v21.Malware(id=MALWARE_ID, **MALWARE_KWARGS)
rel1 = stix2.v21.Relationship(ind, 'indicates', mal, id=RELATIONSHIP_IDS[0])
rel2 = stix2.v21.Relationship(mal, 'targets', idy, id=RELATIONSHIP_IDS[1])
rel3 = stix2.v21.Relationship(cam, 'uses', mal, id=RELATIONSHIP_IDS[2])
stix_objs = [cam, idy, ind, mal, rel1, rel2, rel3]
fs = stix2.FileSystemStore(FS_PATH)
for o in stix_objs:
fs.add(o)
yield fs
for o in stix_objs:
filepath = os.path.join(
FS_PATH, o.type, o.id,
_timestamp2filename(o.modified) + '.json',
)
# Some test-scoped fixtures (e.g. fs_store) delete all campaigns, so by
# the time this module-scoped fixture tears itself down, it may find
# its campaigns already gone, which causes not-found errors.
try:
os.remove(filepath)
except OSError as e:
# 3 is the ERROR_PATH_NOT_FOUND windows error code. Which has an
# errno symbolic value, but not the windows meaning...
if e.errno in (errno.ENOENT, 3):
continue
raise
def test_filesystem_source_nonexistent_folder():
with pytest.raises(ValueError):
stix2.FileSystemSource('nonexistent-folder')
def test_filesystem_sink_nonexistent_folder():
with pytest.raises(ValueError):
stix2.FileSystemSink('nonexistent-folder')
def test_filesystem_source_bad_json_file(fs_source, bad_json_files):
# this tests the handling of two bad json files
# - one file should just be skipped (silently) as its a ".txt" extension
# - one file should be parsed and raise Exception bc its not JSON
try:
fs_source.get("intrusion-set--test-bad-json")
except TypeError as e:
assert "intrusion-set--test-bad-json" in str(e)
assert "could either not be parsed to JSON or was not valid STIX JSON" in str(e)
def test_filesystem_source_bad_stix_file(fs_source, bad_stix_files):
# this tests handling of bad STIX json object
try:
fs_source.get("intrusion-set--test-non-stix")
except STIXError as e:
assert "Can't parse object with no 'type' property" in str(e)
def test_filesystem_source_get_object(fs_source):
# get (latest) object
mal = fs_source.get("malware--6b616fc1-1505-48e3-8b2c-0d19337bff38")
assert mal.id == "malware--6b616fc1-1505-48e3-8b2c-0d19337bff38"
assert mal.name == "Rover"
assert mal.modified == datetime.datetime(
2018, 11, 16, 22, 54, 20, 390000,
pytz.utc,
)
def test_filesystem_source_get_nonexistent_object(fs_source):
ind = fs_source.get("indicator--6b616fc1-1505-48e3-8b2c-0d19337bff38")
assert ind is None
def test_filesystem_source_all_versions(fs_source):
ids = fs_source.all_versions(
"identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5",
)
assert len(ids) == 2
assert all(
id_.id == "identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5"
for id_ in ids
)
assert all(id_.name == "The MITRE Corporation" for id_ in ids)
assert all(id_.type == "identity" for id_ in ids)
def test_filesystem_source_query_single(fs_source):
# query2
is_2 = fs_source.query([stix2.Filter("external_references.external_id", '=', "T1027")])
assert len(is_2) == 1
is_2 = is_2[0]
assert is_2.id == "attack-pattern--b3d682b6-98f2-4fb0-aa3b-b4df007ca70a"
assert is_2.type == "attack-pattern"
def test_filesystem_source_query_multiple(fs_source):
# query
intrusion_sets = fs_source.query([stix2.Filter("type", '=', "intrusion-set")])
assert len(intrusion_sets) == 2
assert "intrusion-set--a653431d-6a5e-4600-8ad3-609b5af57064" in [is_.id for is_ in intrusion_sets]
assert "intrusion-set--f3bdec95-3d62-42d9-a840-29630f6cdc1a" in [is_.id for is_ in intrusion_sets]
is_1 = [is_ for is_ in intrusion_sets if is_.id == "intrusion-set--f3bdec95-3d62-42d9-a840-29630f6cdc1a"][0]
assert "DragonOK" in is_1.aliases
assert len(is_1.external_references) == 4
def test_filesystem_source_backward_compatible(fs_source):
# this specific object is outside an "ID" directory; make sure we can get
# it.
modified = datetime.datetime(2018, 11, 16, 22, 54, 20, 390000, pytz.utc)
results = fs_source.query([
stix2.Filter("type", "=", "malware"),
stix2.Filter("id", "=", "malware--6b616fc1-1505-48e3-8b2c-0d19337bff38"),
stix2.Filter("modified", "=", modified),
])
assert len(results) == 1
result = results[0]
assert result.type == "malware"
assert result.id == "malware--6b616fc1-1505-48e3-8b2c-0d19337bff38"
assert result.modified == modified
assert result.malware_types == ["version four"]
def test_filesystem_source_sco(fs_source):
results = fs_source.query([stix2.Filter("type", "=", "directory")])
assert len(results) == 1
result = results[0]
assert result["type"] == "directory"
assert result["id"] == "directory--572827aa-e0cd-44fd-afd5-a717a7585f39"
assert result["path"] == "/performance/Democrat.gif"
def test_filesystem_sink_add_python_stix_object(fs_sink, fs_source):
# add python stix object
camp1 = stix2.v21.Campaign(
name="Hannibal",
objective="Targeting Italian and Spanish Diplomat internet accounts",
aliases=["War Elephant"],
)
fs_sink.add(camp1)
filepath = os.path.join(
FS_PATH, "campaign", camp1.id,
_timestamp2filename(camp1.modified) + ".json",
)
assert os.path.exists(filepath)
camp1_r = fs_source.get(camp1.id)
assert camp1_r.id == camp1.id
assert camp1_r.name == "Hannibal"
assert "War Elephant" in camp1_r.aliases
os.remove(filepath)
def test_filesystem_sink_add_stix_object_dict(fs_sink, fs_source):
# add stix object dict
camp2 = {
"name": "Aurelius",
"type": "campaign",
"objective": "German and French Intelligence Services",
"aliases": ["Purple Robes"],
"id": "campaign--8e2e2d2b-17d4-4cbf-938f-98ee46b3cd3f",
"created": "2017-05-31T21:31:53.197755Z",
"modified": "2017-05-31T21:31:53.197755Z",
}
fs_sink.add(camp2)
# Need to get the exact "modified" timestamp which would have been
# in effect at the time the object was saved to the sink, which determines
# the filename it would have been saved as. It may not be exactly the same
# as what's in the dict, since the parsing process can enforce a precision
# constraint (e.g. truncate to milliseconds), which results in a slightly
# different name.
camp2obj = stix2.parse(camp2)
filepath = os.path.join(
FS_PATH, "campaign", camp2obj["id"],
_timestamp2filename(camp2obj["modified"]) + ".json",
)
assert os.path.exists(filepath)
camp2_r = fs_source.get(camp2["id"])
assert camp2_r.id == camp2["id"]
assert camp2_r.name == camp2["name"]
assert "Purple Robes" in camp2_r.aliases
os.remove(filepath)
def test_filesystem_sink_add_stix_bundle_dict(fs_sink, fs_source):
# add stix bundle dict
bund = {
"type": "bundle",
"id": "bundle--040ae5ec-2e91-4e94-b075-bc8b368e8ca3",
"objects": [
{
"name": "Atilla",
"type": "campaign",
"objective": "Bulgarian, Albanian and Romanian Intelligence Services",
"aliases": ["Huns"],
"id": "campaign--b8f86161-ccae-49de-973a-4ca320c62478",
"created": "2017-05-31T21:31:53.197755Z",
"modified": "2017-05-31T21:31:53.197755Z",
},
],
}
fs_sink.add(bund)
camp_obj = stix2.parse(bund["objects"][0])
filepath = os.path.join(
FS_PATH, "campaign", camp_obj["id"],
_timestamp2filename(camp_obj["modified"]) + ".json",
)
assert os.path.exists(filepath)
camp3_r = fs_source.get(bund["objects"][0]["id"])
assert camp3_r.id == bund["objects"][0]["id"]
assert camp3_r.name == bund["objects"][0]["name"]
assert "Huns" in camp3_r.aliases
os.remove(filepath)
def test_filesystem_sink_add_json_stix_object(fs_sink, fs_source):
# add json-encoded stix obj
camp4 = '{"type": "campaign", "id":"campaign--6a6ca372-ba07-42cc-81ef-9840fc1f963d",'\
' "created":"2017-05-31T21:31:53.197755Z",'\
' "modified":"2017-05-31T21:31:53.197755Z",'\
' "name": "Ghengis Khan", "objective": "China and Russian infrastructure"}'
fs_sink.add(camp4)
camp4obj = stix2.parse(camp4)
filepath = os.path.join(
FS_PATH, "campaign",
"campaign--6a6ca372-ba07-42cc-81ef-9840fc1f963d",
_timestamp2filename(camp4obj["modified"]) + ".json",
)
assert os.path.exists(filepath)
camp4_r = fs_source.get("campaign--6a6ca372-ba07-42cc-81ef-9840fc1f963d")
assert camp4_r.id == "campaign--6a6ca372-ba07-42cc-81ef-9840fc1f963d"
assert camp4_r.name == "Ghengis Khan"
os.remove(filepath)
def test_filesystem_sink_json_stix_bundle(fs_sink, fs_source):
# add json-encoded stix bundle
bund2 = '{"type": "bundle", "id": "bundle--3d267103-8475-4d8f-b321-35ec6eccfa37",' \
' "spec_version": "2.0", "objects": [{"type": "campaign", "id": "campaign--2c03b8bf-82ee-433e-9918-ca2cb6e9534b",' \
' "created":"2017-05-31T21:31:53.197755Z",'\
' "modified":"2017-05-31T21:31:53.197755Z",'\
' "name": "Spartacus", "objective": "Oppressive regimes of Africa and Middle East"}]}'
fs_sink.add(bund2)
bund2obj = stix2.parse(bund2)
camp_obj = bund2obj["objects"][0]
filepath = os.path.join(
FS_PATH, "campaign",
"campaign--2c03b8bf-82ee-433e-9918-ca2cb6e9534b",
_timestamp2filename(camp_obj["modified"]) + ".json",
)
assert os.path.exists(filepath)
camp5_r = fs_source.get("campaign--2c03b8bf-82ee-433e-9918-ca2cb6e9534b")
assert camp5_r.id == "campaign--2c03b8bf-82ee-433e-9918-ca2cb6e9534b"
assert camp5_r.name == "Spartacus"
os.remove(filepath)
def test_filesystem_sink_add_objects_list(fs_sink, fs_source):
# add list of objects
camp6 = stix2.v21.Campaign(
name="Comanche",
objective="US Midwest manufacturing firms, oil refineries, and businesses",
aliases=["Horse Warrior"],
)
camp7 = {
"name": "Napolean",
"type": "campaign",
"objective": "Central and Eastern Europe military commands and departments",
"aliases": ["The Frenchmen"],
"id": "campaign--122818b6-1112-4fb0-b11b-b111107ca70a",
"created": "2017-05-31T21:31:53.197755Z",
"modified": "2017-05-31T21:31:53.197755Z",
}
fs_sink.add([camp6, camp7])
camp7obj = stix2.parse(camp7)
camp6filepath = os.path.join(
FS_PATH, "campaign", camp6.id,
_timestamp2filename(camp6["modified"]) +
".json",
)
camp7filepath = os.path.join(
FS_PATH, "campaign", "campaign--122818b6-1112-4fb0-b11b-b111107ca70a",
_timestamp2filename(camp7obj["modified"]) + ".json",
)
assert os.path.exists(camp6filepath)
assert os.path.exists(camp7filepath)
camp6_r = fs_source.get(camp6.id)
assert camp6_r.id == camp6.id
assert "Horse Warrior" in camp6_r.aliases
camp7_r = fs_source.get(camp7["id"])
assert camp7_r.id == camp7["id"]
assert "The Frenchmen" in camp7_r.aliases
# remove all added objects
os.remove(camp6filepath)
os.remove(camp7filepath)
def test_filesystem_sink_marking(fs_sink):
marking = stix2.v21.MarkingDefinition(
id="marking-definition--34098fce-860f-48ae-8e50-ebd3cc5e41da",
created="2017-01-20T00:00:00.000Z",
definition_type="tlp",
definition=stix2.v21.TLPMarking(tlp="green"),
)
fs_sink.add(marking)
marking_filepath = os.path.join(
FS_PATH, "marking-definition", marking["id"] + ".json",
)
assert os.path.exists(marking_filepath)
os.remove(marking_filepath)
def test_filesystem_sink_sco(fs_sink):
file_sco = {
"type": "file",
"id": "file--decfcc48-31b3-45f5-87c8-1b3a5d71a307",
"name": "cats.png",
}
fs_sink.add(file_sco)
sco_filepath = os.path.join(
FS_PATH, "file", file_sco["id"] + ".json",
)
assert os.path.exists(sco_filepath)
os.remove(sco_filepath)
os.rmdir(os.path.dirname(sco_filepath))
def test_filesystem_store_get_stored_as_bundle(fs_store):
coa = fs_store.get("course-of-action--95ddb356-7ba0-4bd9-a889-247262b8946f")
assert coa.id == "course-of-action--95ddb356-7ba0-4bd9-a889-247262b8946f"
assert coa.type == "course-of-action"
def test_filesystem_store_get_stored_as_object(fs_store):
coa = fs_store.get("course-of-action--d9727aee-48b8-4fdb-89e2-4c49746ba4dd")
assert coa.id == "course-of-action--d9727aee-48b8-4fdb-89e2-4c49746ba4dd"
assert coa.type == "course-of-action"
def test_filesystem_store_all_versions(fs_store):
rels = fs_store.all_versions("relationship--70dc6b5c-c524-429e-a6ab-0dd40f0482c1")
assert len(rels) == 1
rel = rels[0]
assert rel.id == "relationship--70dc6b5c-c524-429e-a6ab-0dd40f0482c1"
assert rel.type == "relationship"
def test_filesystem_store_query(fs_store):
# query()
tools = fs_store.query([stix2.Filter("tool_types", "in", "tool")])
assert len(tools) == 2
assert "tool--242f3da3-4425-4d11-8f5c-b842886da966" in [tool.id for tool in tools]
assert "tool--03342581-f790-4f03-ba41-e82e67392e23" in [tool.id for tool in tools]
def test_filesystem_store_query_single_filter(fs_store):
query = stix2.Filter("tool_types", "in", "tool")
tools = fs_store.query(query)
assert len(tools) == 2
assert "tool--242f3da3-4425-4d11-8f5c-b842886da966" in [tool.id for tool in tools]
assert "tool--03342581-f790-4f03-ba41-e82e67392e23" in [tool.id for tool in tools]
def test_filesystem_store_empty_query(fs_store):
results = fs_store.query() # returns all
assert len(results) == 31
assert "tool--242f3da3-4425-4d11-8f5c-b842886da966" in [obj.id for obj in results]
assert "marking-definition--fa42a846-8d90-4e51-bc29-71d5b4802168" in [obj.id for obj in results]
assert "directory--572827aa-e0cd-44fd-afd5-a717a7585f39" in [obj.id for obj in results]
def test_filesystem_store_query_multiple_filters(fs_store):
fs_store.source.filters.add(stix2.Filter("tool_types", "in", "tool"))
tools = fs_store.query(stix2.Filter("id", "=", "tool--242f3da3-4425-4d11-8f5c-b842886da966"))
assert len(tools) == 1
assert tools[0].id == "tool--242f3da3-4425-4d11-8f5c-b842886da966"
def test_filesystem_store_query_dont_include_type_folder(fs_store):
results = fs_store.query(stix2.Filter("type", "!=", "tool"))
assert len(results) == 29
def test_filesystem_store_add(fs_store):
# add()
camp1 = stix2.v21.Campaign(
name="Great Heathen Army",
objective="Targeting the government of United Kingdom and insitutions affiliated with the Church Of England",
aliases=["Ragnar"],
)
fs_store.add(camp1)
camp1_r = fs_store.get(camp1.id)
assert camp1_r.id == camp1.id
assert camp1_r.name == camp1.name
filepath = os.path.join(
FS_PATH, "campaign", camp1_r.id,
_timestamp2filename(camp1_r.modified) + ".json",
)
# remove
os.remove(filepath)
def test_filesystem_store_add_as_bundle():
fs_store = stix2.FileSystemStore(FS_PATH, bundlify=True)
camp1 = stix2.v21.Campaign(
name="Great Heathen Army",
objective="Targeting the government of United Kingdom and insitutions affiliated with the Church Of England",
aliases=["Ragnar"],
)
fs_store.add(camp1)
filepath = os.path.join(
FS_PATH, "campaign", camp1.id,
_timestamp2filename(camp1.modified) + ".json",
)
with open(filepath) as bundle_file:
assert '"type": "bundle"' in bundle_file.read()
camp1_r = fs_store.get(camp1.id)
assert camp1_r.id == camp1.id
assert camp1_r.name == camp1.name
shutil.rmtree(os.path.join(FS_PATH, "campaign"), True)
def test_filesystem_add_bundle_object(fs_store):
bundle = stix2.v21.Bundle()
fs_store.add(bundle)
def test_filesystem_store_add_invalid_object(fs_store):
ind = ('campaign', 'campaign--8e2e2d2b-17d4-4cbf-938f-98ee46b3cd3f') # tuple isn't valid
with pytest.raises(TypeError) as excinfo:
fs_store.add(ind)
assert 'stix_data must be' in str(excinfo.value)
assert 'a STIX object' in str(excinfo.value)
assert 'JSON formatted STIX' in str(excinfo.value)
assert 'JSON formatted STIX bundle' in str(excinfo.value)
def test_filesystem_store_add_marking(fs_store):
marking = stix2.v21.MarkingDefinition(
id="marking-definition--34098fce-860f-48ae-8e50-ebd3cc5e41da",
created="2017-01-20T00:00:00.000Z",
definition_type="tlp",
definition=stix2.v21.TLPMarking(tlp="green"),
)
fs_store.add(marking)
marking_filepath = os.path.join(
FS_PATH, "marking-definition", marking["id"] + ".json",
)
assert os.path.exists(marking_filepath)
marking_r = fs_store.get(marking["id"])
assert marking_r["id"] == marking["id"]
assert marking_r["definition"]["tlp"] == "green"
os.remove(marking_filepath)
def test_filesystem_store_add_sco(fs_store):
sco = stix2.v21.EmailAddress(
value="jdoe@example.com",
)
fs_store.add(sco)
sco_filepath = os.path.join(
FS_PATH, "email-addr", sco["id"] + ".json",
)
assert os.path.exists(sco_filepath)
sco_r = fs_store.get(sco["id"])
assert sco_r["id"] == sco["id"]
assert sco_r["value"] == sco["value"]
os.remove(sco_filepath)
os.rmdir(os.path.dirname(sco_filepath))
def test_filesystem_object_with_custom_property(fs_store):
camp = stix2.v21.Campaign(
name="Scipio Africanus",
objective="Defeat the Carthaginians",
x_empire="Roman",
allow_custom=True,
)
fs_store.add(camp)
camp_r = fs_store.get(camp.id)
assert camp_r.id == camp.id
assert camp_r.x_empire == camp.x_empire
def test_filesystem_object_with_custom_property_in_bundle(fs_store):
camp = stix2.v21.Campaign(
name="Scipio Africanus",
objective="Defeat the Carthaginians",
x_empire="Roman",
allow_custom=True,
)
bundle = stix2.v21.Bundle(camp, allow_custom=True)
fs_store.add(bundle)
camp_r = fs_store.get(camp.id)
assert camp_r.id == camp.id
assert camp_r.x_empire == camp.x_empire
def test_filesystem_custom_object_dict(fs_store):
fs_store.sink.allow_custom = True
newobj = {
"type": "x-new-obj-2",
"id": "x-new-obj-2--d08dc866-6149-47db-aae6-7b58a827e7f0",
"spec_version": "2.1",
"created": "2020-07-20T03:45:02.879Z",
"modified": "2020-07-20T03:45:02.879Z",
"property1": "something",
}
fs_store.add(newobj)
newobj_r = fs_store.get(newobj["id"])
assert newobj_r["id"] == newobj["id"]
assert newobj_r["property1"] == 'something'
# remove dir
shutil.rmtree(os.path.join(FS_PATH, "x-new-obj-2"), True)
fs_store.sink.allow_custom = False
def test_filesystem_custom_object(fs_store):
@stix2.v21.CustomObject(
'x-new-obj-2', [
('property1', stix2.properties.StringProperty(required=True)),
],
)
class NewObj():
pass
newobj = NewObj(property1='something')
fs_store.add(newobj)
newobj_r = fs_store.get(newobj.id)
assert newobj_r["id"] == newobj["id"]
assert newobj_r["property1"] == 'something'
# remove dir
shutil.rmtree(os.path.join(FS_PATH, "x-new-obj-2"), True)
def test_relationships(rel_fs_store):
mal = rel_fs_store.get(MALWARE_ID)
resp = rel_fs_store.relationships(mal)
assert len(resp) == 3
assert any(x['id'] == RELATIONSHIP_IDS[0] for x in resp)
assert any(x['id'] == RELATIONSHIP_IDS[1] for x in resp)
assert any(x['id'] == RELATIONSHIP_IDS[2] for x in resp)
def test_relationships_by_type(rel_fs_store):
mal = rel_fs_store.get(MALWARE_ID)
resp = rel_fs_store.relationships(mal, relationship_type='indicates')
assert len(resp) == 1
assert resp[0]['id'] == RELATIONSHIP_IDS[0]
def test_relationships_by_source(rel_fs_store):
resp = rel_fs_store.relationships(MALWARE_ID, source_only=True)
assert len(resp) == 1
assert resp[0]['id'] == RELATIONSHIP_IDS[1]
def test_relationships_by_target(rel_fs_store):
resp = rel_fs_store.relationships(MALWARE_ID, target_only=True)
assert len(resp) == 2
assert any(x['id'] == RELATIONSHIP_IDS[0] for x in resp)
assert any(x['id'] == RELATIONSHIP_IDS[2] for x in resp)
def test_relationships_by_target_and_type(rel_fs_store):
resp = rel_fs_store.relationships(MALWARE_ID, relationship_type='uses', target_only=True)
assert len(resp) == 1
assert any(x['id'] == RELATIONSHIP_IDS[2] for x in resp)
def test_relationships_by_target_and_source(rel_fs_store):
with pytest.raises(ValueError) as excinfo:
rel_fs_store.relationships(MALWARE_ID, target_only=True, source_only=True)
assert 'not both' in str(excinfo.value)
def test_related_to(rel_fs_store):
mal = rel_fs_store.get(MALWARE_ID)
resp = rel_fs_store.related_to(mal)
assert len(resp) == 3
assert any(x['id'] == CAMPAIGN_ID for x in resp)
assert any(x['id'] == INDICATOR_ID for x in resp)
assert any(x['id'] == IDENTITY_ID for x in resp)
def test_related_to_by_source(rel_fs_store):
resp = rel_fs_store.related_to(MALWARE_ID, source_only=True)
assert len(resp) == 1
assert any(x['id'] == IDENTITY_ID for x in resp)
def test_related_to_by_target(rel_fs_store):
resp = rel_fs_store.related_to(MALWARE_ID, target_only=True)
assert len(resp) == 2
assert any(x['id'] == CAMPAIGN_ID for x in resp)
assert any(x['id'] == INDICATOR_ID for x in resp)
def test_auth_set_white1():
auth_set = AuthSet({"A"}, set())
assert auth_set.auth_type == AuthSet.WHITE
assert auth_set.values == {"A"}
def test_auth_set_white2():
auth_set = AuthSet(set(), set())
assert auth_set.auth_type == AuthSet.WHITE
assert len(auth_set.values) == 0
def test_auth_set_white3():
auth_set = AuthSet({"A", "B"}, {"B", "C"})
assert auth_set.auth_type == AuthSet.WHITE
assert auth_set.values == {"A"}
def test_auth_set_black1():
auth_set = AuthSet(None, {"B", "C"})
assert auth_set.auth_type == AuthSet.BLACK
assert auth_set.values == {"B", "C"}
def test_optimize_types1():
filters = [
stix2.Filter("type", "=", "foo"),
]
auth_types, auth_ids = _find_search_optimizations(filters)
assert auth_types.auth_type == AuthSet.WHITE
assert auth_types.values == {"foo"}
assert auth_ids.auth_type == AuthSet.BLACK
assert len(auth_ids.values) == 0
def test_optimize_types2():
filters = [
stix2.Filter("type", "=", "foo"),
stix2.Filter("type", "=", "bar"),
]
auth_types, auth_ids = _find_search_optimizations(filters)
assert auth_types.auth_type == AuthSet.WHITE
assert len(auth_types.values) == 0
assert auth_ids.auth_type == AuthSet.BLACK
assert len(auth_ids.values) == 0
def test_optimize_types3():
filters = [
stix2.Filter("type", "in", ["A", "B", "C"]),
stix2.Filter("type", "in", ["B", "C", "D"]),
]
auth_types, auth_ids = _find_search_optimizations(filters)
assert auth_types.auth_type == AuthSet.WHITE
assert auth_types.values == {"B", "C"}
assert auth_ids.auth_type == AuthSet.BLACK
assert len(auth_ids.values) == 0
def test_optimize_types4():
filters = [
stix2.Filter("type", "in", ["A", "B", "C"]),
stix2.Filter("type", "in", ["D", "E", "F"]),
]
auth_types, auth_ids = _find_search_optimizations(filters)
assert auth_types.auth_type == AuthSet.WHITE
assert len(auth_types.values) == 0
assert auth_ids.auth_type == AuthSet.BLACK
assert len(auth_ids.values) == 0
def test_optimize_types5():
filters = [
stix2.Filter("type", "in", ["foo", "bar"]),
stix2.Filter("type", "!=", "bar"),
]
auth_types, auth_ids = _find_search_optimizations(filters)
assert auth_types.auth_type == AuthSet.WHITE
assert auth_types.values == {"foo"}
assert auth_ids.auth_type == AuthSet.BLACK
assert len(auth_ids.values) == 0
def test_optimize_types6():
filters = [
stix2.Filter("type", "!=", "foo"),
stix2.Filter("type", "!=", "bar"),
]
auth_types, auth_ids = _find_search_optimizations(filters)
assert auth_types.auth_type == AuthSet.BLACK
assert auth_types.values == {"foo", "bar"}
assert auth_ids.auth_type == AuthSet.BLACK
assert len(auth_ids.values) == 0
def test_optimize_types7():
filters = [
stix2.Filter("type", "=", "foo"),
stix2.Filter("type", "!=", "foo"),
]
auth_types, auth_ids = _find_search_optimizations(filters)
assert auth_types.auth_type == AuthSet.WHITE
assert len(auth_types.values) == 0
assert auth_ids.auth_type == AuthSet.BLACK
assert len(auth_ids.values) == 0
def test_optimize_types8():
filters = []
auth_types, auth_ids = _find_search_optimizations(filters)
assert auth_types.auth_type == AuthSet.BLACK
assert len(auth_types.values) == 0
assert auth_ids.auth_type == AuthSet.BLACK
assert len(auth_ids.values) == 0
def test_optimize_types_ids1():
filters = [
stix2.Filter("type", "in", ["foo", "bar"]),
stix2.Filter("id", "=", "foo--00000000-0000-0000-0000-000000000000"),
]
auth_types, auth_ids = _find_search_optimizations(filters)
assert auth_types.auth_type == AuthSet.WHITE
assert auth_types.values == {"foo"}
assert auth_ids.auth_type == AuthSet.WHITE
assert auth_ids.values == {"foo--00000000-0000-0000-0000-000000000000"}
def test_optimize_types_ids2():
filters = [
stix2.Filter("type", "=", "foo"),
stix2.Filter("id", "=", "bar--00000000-0000-0000-0000-000000000000"),
]
auth_types, auth_ids = _find_search_optimizations(filters)
assert auth_types.auth_type == AuthSet.WHITE
assert len(auth_types.values) == 0
assert auth_ids.auth_type == AuthSet.WHITE
assert len(auth_ids.values) == 0
def test_optimize_types_ids3():
filters = [
stix2.Filter("type", "in", ["foo", "bar"]),
stix2.Filter("id", "!=", "bar--00000000-0000-0000-0000-000000000000"),
]
auth_types, auth_ids = _find_search_optimizations(filters)
assert auth_types.auth_type == AuthSet.WHITE
assert auth_types.values == {"foo", "bar"}
assert auth_ids.auth_type == AuthSet.BLACK
assert auth_ids.values == {"bar--00000000-0000-0000-0000-000000000000"}
def test_optimize_types_ids4():
filters = [
stix2.Filter("type", "in", ["A", "B", "C"]),
stix2.Filter(
"id", "in", [
"B--00000000-0000-0000-0000-000000000000",
"C--00000000-0000-0000-0000-000000000000",
"D--00000000-0000-0000-0000-000000000000",
],
),
]
auth_types, auth_ids = _find_search_optimizations(filters)
assert auth_types.auth_type == AuthSet.WHITE
assert auth_types.values == {"B", "C"}
assert auth_ids.auth_type == AuthSet.WHITE
assert auth_ids.values == {
"B--00000000-0000-0000-0000-000000000000",
"C--00000000-0000-0000-0000-000000000000",
}
def test_optimize_types_ids5():
filters = [
stix2.Filter("type", "in", ["A", "B", "C"]),
stix2.Filter("type", "!=", "C"),
stix2.Filter(
"id", "in", [
"B--00000000-0000-0000-0000-000000000000",
"C--00000000-0000-0000-0000-000000000000",
"D--00000000-0000-0000-0000-000000000000",
],
),
stix2.Filter("id", "!=", "D--00000000-0000-0000-0000-000000000000"),
]
auth_types, auth_ids = _find_search_optimizations(filters)
assert auth_types.auth_type == AuthSet.WHITE
assert auth_types.values == {"B"}
assert auth_ids.auth_type == AuthSet.WHITE
assert auth_ids.values == {"B--00000000-0000-0000-0000-000000000000"}
def test_optimize_types_ids6():
filters = [
stix2.Filter("id", "=", "A--00000000-0000-0000-0000-000000000000"),
]
auth_types, auth_ids = _find_search_optimizations(filters)
assert auth_types.auth_type == AuthSet.WHITE
assert auth_types.values == {"A"}
assert auth_ids.auth_type == AuthSet.WHITE
assert auth_ids.values == {"A--00000000-0000-0000-0000-000000000000"}
def test_search_auth_set_white1():
auth_set = AuthSet(
{"attack-pattern", "doesntexist"},
set(),
)
results = _get_matching_dir_entries(FS_PATH, auth_set, stat.S_ISDIR)
assert results == ["attack-pattern"]
results = _get_matching_dir_entries(FS_PATH, auth_set, stat.S_ISREG)
assert len(results) == 0
def test_search_auth_set_white2():
auth_set = AuthSet(
{
"malware--6b616fc1-1505-48e3-8b2c-0d19337bff38",
"malware--92ec0cbd-2c30-44a2-b270-73f4ec949841",
},
{
"malware--92ec0cbd-2c30-44a2-b270-73f4ec949841",
"malware--96b08451-b27a-4ff6-893f-790e26393a8e",
"doesntexist",
},
)
results = _get_matching_dir_entries(
os.path.join(FS_PATH, "malware"),
auth_set, stat.S_ISDIR,
)
assert results == ["malware--6b616fc1-1505-48e3-8b2c-0d19337bff38"]
def test_search_auth_set_white3():
auth_set = AuthSet({"20170531213258226477", "doesntexist"}, set())
results = _get_matching_dir_entries(
os.path.join(
FS_PATH, "malware",
"malware--6b616fc1-1505-48e3-8b2c-0d19337bff38",
),
auth_set, stat.S_ISREG, ".json",
)
assert results == ["20170531213258226477.json"]
def test_search_auth_set_black1():
auth_set = AuthSet(
None,
{"tool--242f3da3-4425-4d11-8f5c-b842886da966", "doesntexist"},
)
results = _get_matching_dir_entries(
os.path.join(FS_PATH, "tool"),
auth_set, stat.S_ISDIR,
)
assert set(results) == {
"tool--03342581-f790-4f03-ba41-e82e67392e23",
}
def test_search_auth_set_white_empty():
auth_set = AuthSet(
set(),
set(),
)
results = _get_matching_dir_entries(FS_PATH, auth_set, stat.S_ISDIR)
assert len(results) == 0
def test_search_auth_set_black_empty(rel_fs_store):
# Ensure rel_fs_store fixture has run so that the type directories are
# predictable (it adds "campaign").
auth_set = AuthSet(
None,
set(),
)
results = _get_matching_dir_entries(FS_PATH, auth_set, stat.S_ISDIR)
# Should get all dirs
assert set(results) == {
"attack-pattern",
"campaign",
"course-of-action",
"directory",
"identity",
"indicator",
"intrusion-set",
"malware",
"marking-definition",
"relationship",
"tool",
}
def test_timestamp2filename_naive():
dt = datetime.datetime(
2010, 6, 15,
8, 30, 10, 1234,
)
filename = _timestamp2filename(dt)
assert filename == "20100615083010001234"
def test_timestamp2filename_tz():
# one hour west of UTC (i.e. an hour earlier)
tz = pytz.FixedOffset(-60)
dt = datetime.datetime(
2010, 6, 15,
7, 30, 10, 1234,
tz,
)
filename = _timestamp2filename(dt)
assert filename == "20100615083010001234"
Reference in New Issue View Git Blame Copy Permalink