cti-python-stix2/stix2/test/test_memory.py

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import os
import shutil
import pytest
from stix2 import (Bundle, Campaign, CustomObject, Filter, MemorySource,
MemoryStore, properties)
from stix2.sources import make_id
IND1 = {
"created": "2017-01-27T13:49:53.935Z",
"id": "indicator--d81f86b9-975b-bc0b-775e-810c5ad45a4f",
"labels": [
"url-watchlist"
],
"modified": "2017-01-27T13:49:53.935Z",
"name": "Malicious site hosting downloader",
"pattern": "[url:value = 'http://x4z9arb.cn/4712']",
"type": "indicator",
"valid_from": "2017-01-27T13:49:53.935382Z"
}
IND2 = {
"created": "2017-01-27T13:49:53.935Z",
"id": "indicator--d81f86b9-975b-bc0b-775e-810c5ad45a4f",
"labels": [
"url-watchlist"
],
"modified": "2017-01-27T13:49:53.935Z",
"name": "Malicious site hosting downloader",
"pattern": "[url:value = 'http://x4z9arb.cn/4712']",
"type": "indicator",
"valid_from": "2017-01-27T13:49:53.935382Z"
}
IND3 = {
"created": "2017-01-27T13:49:53.935Z",
"id": "indicator--d81f86b9-975b-bc0b-775e-810c5ad45a4f",
"labels": [
"url-watchlist"
],
"modified": "2017-01-27T13:49:53.936Z",
"name": "Malicious site hosting downloader",
"pattern": "[url:value = 'http://x4z9arb.cn/4712']",
"type": "indicator",
"valid_from": "2017-01-27T13:49:53.935382Z"
}
IND4 = {
"created": "2017-01-27T13:49:53.935Z",
"id": "indicator--d81f86b8-975b-bc0b-775e-810c5ad45a4f",
"labels": [
"url-watchlist"
],
"modified": "2017-01-27T13:49:53.935Z",
"name": "Malicious site hosting downloader",
"pattern": "[url:value = 'http://x4z9arb.cn/4712']",
"type": "indicator",
"valid_from": "2017-01-27T13:49:53.935382Z"
}
IND5 = {
"created": "2017-01-27T13:49:53.935Z",
"id": "indicator--d81f86b8-975b-bc0b-775e-810c5ad45a4f",
"labels": [
"url-watchlist"
],
"modified": "2017-01-27T13:49:53.935Z",
"name": "Malicious site hosting downloader",
"pattern": "[url:value = 'http://x4z9arb.cn/4712']",
"type": "indicator",
"valid_from": "2017-01-27T13:49:53.935382Z"
}
IND6 = {
"created": "2017-01-27T13:49:53.935Z",
"id": "indicator--d81f86b9-975b-bc0b-775e-810c5ad45a4f",
"labels": [
"url-watchlist"
],
"modified": "2017-01-31T13:49:53.935Z",
"name": "Malicious site hosting downloader",
"pattern": "[url:value = 'http://x4z9arb.cn/4712']",
"type": "indicator",
"valid_from": "2017-01-27T13:49:53.935382Z"
}
IND7 = {
"created": "2017-01-27T13:49:53.935Z",
"id": "indicator--d81f86b8-975b-bc0b-775e-810c5ad45a4f",
"labels": [
"url-watchlist"
],
"modified": "2017-01-27T13:49:53.935Z",
"name": "Malicious site hosting downloader",
"pattern": "[url:value = 'http://x4z9arb.cn/4712']",
"type": "indicator",
"valid_from": "2017-01-27T13:49:53.935382Z"
}
IND8 = {
"created": "2017-01-27T13:49:53.935Z",
"id": "indicator--d81f86b8-975b-bc0b-775e-810c5ad45a4f",
"labels": [
"url-watchlist"
],
"modified": "2017-01-27T13:49:53.935Z",
"name": "Malicious site hosting downloader",
"pattern": "[url:value = 'http://x4z9arb.cn/4712']",
"type": "indicator",
"valid_from": "2017-01-27T13:49:53.935382Z"
}
STIX_OBJS2 = [IND6, IND7, IND8]
STIX_OBJS1 = [IND1, IND2, IND3, IND4, IND5]
@pytest.fixture
def mem_store():
yield MemoryStore(STIX_OBJS1)
@pytest.fixture
def mem_source():
yield MemorySource(STIX_OBJS1)
def test_memory_source_get(mem_source):
resp = mem_source.get("indicator--d81f86b8-975b-bc0b-775e-810c5ad45a4f")
assert resp["id"] == "indicator--d81f86b8-975b-bc0b-775e-810c5ad45a4f"
def test_memory_source_get_nonexistant_object(mem_source):
resp = mem_source.get("tool--d81f86b8-975b-bc0b-775e-810c5ad45a4f")
assert resp is None
def test_memory_store_all_versions(mem_store):
# Add bundle of items to sink
mem_store.add(dict(id="bundle--%s" % make_id(),
objects=STIX_OBJS2,
spec_version="2.0",
type="bundle"))
resp = mem_store.all_versions("indicator--d81f86b9-975b-bc0b-775e-810c5ad45a4f")
assert len(resp) == 1 # MemoryStore can only store 1 version of each object
def test_memory_store_query(mem_store):
query = [Filter('type', '=', 'malware')]
resp = mem_store.query(query)
assert len(resp) == 0
def test_memory_store_query_single_filter(mem_store):
query = Filter('id', '=', 'indicator--d81f86b8-975b-bc0b-775e-810c5ad45a4f')
resp = mem_store.query(query)
assert len(resp) == 1
def test_memory_store_query_empty_query(mem_store):
resp = mem_store.query()
# sort since returned in random order
resp = sorted(resp, key=lambda k: k['id'])
assert len(resp) == 2
assert resp[0]['id'] == 'indicator--d81f86b8-975b-bc0b-775e-810c5ad45a4f'
assert resp[0]['modified'] == '2017-01-27T13:49:53.935Z'
assert resp[1]['id'] == 'indicator--d81f86b9-975b-bc0b-775e-810c5ad45a4f'
assert resp[1]['modified'] == '2017-01-27T13:49:53.936Z'
def test_memory_store_query_multiple_filters(mem_store):
mem_store.source.filters.add(Filter('type', '=', 'indicator'))
query = Filter('id', '=', 'indicator--d81f86b8-975b-bc0b-775e-810c5ad45a4f')
resp = mem_store.query(query)
assert len(resp) == 1
def test_memory_store_save_load_file(mem_store):
filename = 'memory_test/mem_store.json'
mem_store.save_to_file(filename)
contents = open(os.path.abspath(filename)).read()
assert '"id": "indicator--d81f86b9-975b-bc0b-775e-810c5ad45a4f",' in contents
assert '"id": "indicator--d81f86b8-975b-bc0b-775e-810c5ad45a4f",' in contents
mem_store2 = MemoryStore()
mem_store2.load_from_file(filename)
assert mem_store2.get("indicator--d81f86b8-975b-bc0b-775e-810c5ad45a4f")
assert mem_store2.get("indicator--d81f86b9-975b-bc0b-775e-810c5ad45a4f")
shutil.rmtree(os.path.dirname(filename))
def test_memory_store_add_stix_object_str(mem_store):
# add stix object string
camp_id = "campaign--111111b6-1112-4fb0-111b-b111107ca70a"
camp_name = "Aurelius"
camp_alias = "Purple Robes"
camp = """{
"name": "%s",
"type": "campaign",
"objective": "German and French Intelligence Services",
"aliases": ["%s"],
"id": "%s",
"created": "2017-05-31T21:31:53.197755Z"
}""" % (camp_name, camp_alias, camp_id)
mem_store.add(camp)
camp_r = mem_store.get(camp_id)
assert camp_r["id"] == camp_id
assert camp_r["name"] == camp_name
assert camp_alias in camp_r["aliases"]
def test_memory_store_add_stix_bundle_str(mem_store):
# add stix bundle string
camp_id = "campaign--133111b6-1112-4fb0-111b-b111107ca70a"
camp_name = "Atilla"
camp_alias = "Huns"
bund = """{
"type": "bundle",
"id": "bundle--112211b6-1112-4fb0-111b-b111107ca70a",
"spec_version": "2.0",
"objects": [
{
"name": "%s",
"type": "campaign",
"objective": "Bulgarian, Albanian and Romanian Intelligence Services",
"aliases": ["%s"],
"id": "%s",
"created": "2017-05-31T21:31:53.197755Z"
}
]
}""" % (camp_name, camp_alias, camp_id)
mem_store.add(bund)
camp_r = mem_store.get(camp_id)
assert camp_r["id"] == camp_id
assert camp_r["name"] == camp_name
assert camp_alias in camp_r["aliases"]
def test_memory_store_add_invalid_object(mem_store):
ind = ('indicator', IND1) # tuple isn't valid
with pytest.raises(TypeError) as excinfo:
mem_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_memory_store_object_with_custom_property(mem_store):
camp = Campaign(name="Scipio Africanus",
objective="Defeat the Carthaginians",
x_empire="Roman",
allow_custom=True)
mem_store.add(camp, True)
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camp_r = mem_store.get(camp.id)
assert camp_r.id == camp.id
assert camp_r.x_empire == camp.x_empire
def test_memory_store_object_with_custom_property_in_bundle(mem_store):
camp = Campaign(name="Scipio Africanus",
objective="Defeat the Carthaginians",
x_empire="Roman",
allow_custom=True)
bundle = Bundle(camp, allow_custom=True)
mem_store.add(bundle, True)
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bundle_r = mem_store.get(bundle.id)
camp_r = bundle_r['objects'][0]
assert camp_r.id == camp.id
assert camp_r.x_empire == camp.x_empire
def test_memory_store_custom_object(mem_store):
@CustomObject('x-new-obj', [
('property1', properties.StringProperty(required=True)),
])
class NewObj():
pass
newobj = NewObj(property1='something')
mem_store.add(newobj, True)
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newobj_r = mem_store.get(newobj.id)
assert newobj_r.id == newobj.id
assert newobj_r.property1 == 'something'