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test_pytmfunc.py
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import json
import os
import random
import re
import unittest
import tempfile
from contextlib import redirect_stdout
from pytm import (
pytm,
TM,
Action,
Actor,
Boundary,
Classification,
Data,
Dataflow,
Datastore,
ExternalEntity,
Lambda,
Lifetime,
Process,
Finding,
Server,
Threat,
TLSVersion,
loads,
)
from pytm.pytm import to_serializable
with open(
os.path.abspath(os.path.join(os.path.dirname(__file__), ".."))
+ "/pytm/threatlib/threats.json",
"r",
) as threat_file:
threats = {t["SID"]: Threat(**t) for t in json.load(threat_file)}
output_path=tempfile.gettempdir()
class TestTM(unittest.TestCase):
def test_seq(self):
random.seed(0)
dir_path = os.path.dirname(os.path.realpath(__file__))
with open(os.path.join(dir_path, "seq.plantuml")) as x:
expected = x.read().strip()
TM.reset()
tm = TM("my test tm", description="aaa")
tm.isOrdered = True
internet = Boundary("Internet")
server_db = Boundary("Server/DB")
user = Actor("User", inBoundary=internet)
web = Server("Web Server")
db = Datastore("SQL Database", inBoundary=server_db)
Dataflow(user, web, "User enters comments (*)", note="bbb")
Dataflow(web, db, "Insert query with comments", note="ccc")
Dataflow(db, web, "Retrieve comments")
Dataflow(web, user, "Show comments (*)")
Finding() # Finding with an empty element
self.assertTrue(tm.check())
output = tm.seq()
self.maxDiff = None
self.assertEqual(output, expected)
def test_seq_unused(self):
random.seed(0)
dir_path = os.path.dirname(os.path.realpath(__file__))
with open(os.path.join(dir_path, "seq_unused.plantuml")) as x:
expected = x.read().strip()
TM.reset()
tm = TM("my test tm", description="aaa", ignoreUnused=True)
internet = Boundary("Internet")
server_db = Boundary("Server/DB")
user = Actor("User", inBoundary=internet)
web = Server("Web Server")
db = Datastore("SQL Database", inBoundary=server_db)
Lambda("Unused Lambda")
Dataflow(user, web, "User enters comments (*)", note="bbb")
Dataflow(web, db, "Insert query with comments", note="ccc")
Dataflow(db, web, "Retrieve comments")
Dataflow(web, user, "Show comments (*)")
self.assertTrue(tm.check())
output = tm.seq()
self.maxDiff = None
self.assertEqual(output, expected)
def test_dfd(self):
dir_path = os.path.dirname(os.path.realpath(__file__))
install_path = os.path.dirname(os.path.realpath(pytm.__file__))
with open(os.path.join(dir_path, "dfd.dot")) as x:
expected = (
x.read().strip().replace("INSTALL_PATH", os.path.dirname(install_path))
)
random.seed(0)
TM.reset()
tm = TM("my test tm", description="aaa")
internet = Boundary("Internet")
net = Boundary("Company net")
dmz = Boundary("dmz", inBoundary=net)
backend = Boundary("backend", inBoundary=net)
user = Actor("User", inBoundary=internet)
gw = Server("Gateway", inBoundary=dmz)
web = Server("Web Server", inBoundary=backend)
db = Datastore("SQL Database", inBoundary=backend, isEncryptedAtRest=True)
comment = Data("Comment", isStored=True)
Dataflow(user, gw, "User enters comments (*)")
Dataflow(gw, web, "Request")
Dataflow(web, db, "Insert query with comments", data=[comment])
Dataflow(db, web, "Retrieve comments")
Dataflow(web, gw, "Response")
Dataflow(gw, user, "Show comments (*)")
self.assertTrue(tm.check())
output = tm.dfd()
self.maxDiff = None
self.assertEqual(output, expected)
def test_dfd_colormap(self):
dir_path = os.path.dirname(os.path.realpath(__file__))
install_path = os.path.dirname(os.path.realpath(pytm.__file__))
with open(os.path.join(dir_path, "dfd_colormap.dot")) as x:
expected = (
x.read().strip().replace("INSTALL_PATH", os.path.dirname(install_path))
)
random.seed(0)
TM.reset()
tm = TM("my test tm", description="aaa")
internet = Boundary("Internet")
net = Boundary("Company net")
dmz = Boundary("dmz", inBoundary=net)
backend = Boundary("backend", inBoundary=net)
user = Actor("User", inBoundary=internet)
gw = Server("Gateway", inBoundary=dmz)
web = Server("Web Server", inBoundary=backend)
db = Datastore("SQL Database", inBoundary=backend, isEncryptedAtRest=True)
comment = Data("Comment", isStored=True)
Dataflow(user, gw, "User enters comments (*)")
Dataflow(gw, web, "Request")
Dataflow(web, db, "Insert query with comments", data=[comment])
Dataflow(db, web, "Retrieve comments")
Dataflow(web, gw, "Response")
Dataflow(gw, user, "Show comments (*)")
self.assertTrue(tm.check())
tm.resolve()
output = tm.dfd(colormap=True)
self.maxDiff = None
self.assertEqual(output, expected)
def test_dfd_duplicates_ignore(self):
dir_path = os.path.dirname(os.path.realpath(__file__))
install_path = os.path.dirname(os.path.realpath(pytm.__file__))
with open(os.path.join(dir_path, "dfd.dot")) as x:
expected = (
x.read().strip().replace("INSTALL_PATH", os.path.dirname(install_path))
)
random.seed(0)
TM.reset()
tm = TM("my test tm", description="aaa", onDuplicates=Action.IGNORE)
internet = Boundary("Internet")
net = Boundary("Company net")
dmz = Boundary("dmz", inBoundary=net)
backend = Boundary("backend", inBoundary=net)
user = Actor("User", inBoundary=internet)
gw = Server("Gateway", inBoundary=dmz)
web = Server("Web Server", inBoundary=backend)
db = Datastore("SQL Database", inBoundary=backend)
Dataflow(user, gw, "User enters comments (*)")
Dataflow(user, gw, "User views comments")
Dataflow(gw, web, "Request")
Dataflow(web, db, "Insert query with comments")
Dataflow(web, db, "Select query")
Dataflow(db, web, "Retrieve comments")
Dataflow(web, gw, "Response")
Dataflow(gw, user, "Show comments (*)")
self.assertTrue(tm.check())
output = tm.dfd()
self.maxDiff = None
self.assertEqual(output, expected)
def test_dfd_duplicates_raise(self):
random.seed(0)
TM.reset()
tm = TM("my test tm", description="aaa", onDuplicates=Action.RESTRICT)
internet = Boundary("Internet")
server_db = Boundary("Server/DB")
user = Actor("User", inBoundary=internet)
web = Server("Web Server")
db = Datastore("SQL Database", inBoundary=server_db)
Dataflow(user, web, "User enters comments (*)")
Dataflow(user, web, "User views comments")
Dataflow(web, db, "Insert query with comments")
Dataflow(web, db, "Select query")
Dataflow(db, web, "Retrieve comments")
Dataflow(web, user, "Show comments (*)")
e = re.escape(
"Duplicate Dataflow found between Actor(User) "
"and Server(Web Server): Dataflow(User enters comments (*)) "
"is same as Dataflow(User views comments)"
)
with self.assertRaisesRegex(ValueError, e):
tm.check()
def test_exclude_threats_ignore(self):
random.seed(0)
TM.reset()
excluded_threat = "INP03"
remaining_threat = "AA01"
TM._threatsExcluded = [excluded_threat]
tm = TM("my test tm", description="aaa")
web = Server("Web")
web.sanitizesInput = False
web.encodesOutput = False
self.assertTrue(threats[excluded_threat].apply(web))
self.assertTrue(threats[remaining_threat].apply(web))
tm.resolve()
self.assertNotIn(excluded_threat, [t.threat_id for t in tm.findings])
self.assertIn(remaining_threat, [t.threat_id for t in tm.findings])
def test_resolve(self):
random.seed(0)
TM.reset()
tm = TM("my test tm", description="aaa")
internet = Boundary("Internet")
server_db = Boundary("Server/DB")
user = Actor("User", inBoundary=internet, inScope=False)
web = Server("Web Server")
db = Datastore("SQL Database", inBoundary=server_db)
req = Dataflow(user, web, "User enters comments (*)")
query = Dataflow(web, db, "Insert query with comments")
results = Dataflow(db, web, "Retrieve comments")
resp = Dataflow(web, user, "Show comments (*)")
TM._threats = [
Threat(SID=klass, target=klass, severity="")
for klass in ["Actor", "Server", "Datastore", "Dataflow"]
]
tm.resolve()
self.maxDiff = None
self.assertEqual(
[f.threat_id for f in tm.findings],
["Server", "Datastore", "Dataflow", "Dataflow", "Dataflow", "Dataflow"],
)
self.assertEqual([f.threat_id for f in user.findings], [])
self.assertEqual([f.threat_id for f in web.findings], ["Server"])
self.assertEqual([f.threat_id for f in db.findings], ["Datastore"])
self.assertEqual([f.threat_id for f in req.findings], ["Dataflow"])
self.assertEqual([f.threat_id for f in query.findings], ["Dataflow"])
self.assertEqual([f.threat_id for f in results.findings], ["Dataflow"])
self.assertEqual([f.threat_id for f in resp.findings], ["Dataflow"])
def test_overrides(self):
random.seed(0)
TM.reset()
tm = TM("my test tm", description="aaa")
internet = Boundary("Internet")
server_db = Boundary("Server/DB")
user = Actor("User", inBoundary=internet, inScope=False)
web = Server(
"Web Server",
overrides=[
Finding(threat_id="Server", response="mitigated by adding TLS"),
],
)
db = Datastore(
"SQL Database",
inBoundary=server_db,
overrides=[
Finding(
threat_id="Datastore",
response="accepted since inside the trust boundary",
),
],
)
req = Dataflow(user, web, "User enters comments (*)")
query = Dataflow(web, db, "Insert query with comments")
results = Dataflow(db, web, "Retrieve comments")
resp = Dataflow(web, user, "Show comments (*)")
TM._threats = [
Threat(SID="Server", severity="High", target="Server", condition="False"),
Threat(SID="Datastore", target="Datastore", severity="High"),
]
tm.resolve()
self.maxDiff = None
self.assertEqual(
[f.threat_id for f in tm.findings],
["Server", "Datastore"],
)
self.assertEqual(
[f.response for f in web.findings], ["mitigated by adding TLS"]
)
self.assertEqual(
[f.response for f in db.findings],
["accepted since inside the trust boundary"],
)
def test_json_dumps(self):
random.seed(0)
dir_path = os.path.dirname(os.path.realpath(__file__))
with open(os.path.join(dir_path, "output.json")) as x:
expected = x.read().strip()
TM.reset()
tm = TM(
"my test tm", description="aaa", threatsFile="pytm/threatlib/threats.json"
)
tm.isOrdered = True
internet = Boundary("Internet")
server_db = Boundary("Server/DB")
user = Actor("User", inBoundary=internet)
web = Server("Web Server")
func = Lambda("Lambda func")
worker = Process("Task queue worker")
db = Datastore("SQL Database", inBoundary=server_db)
cookie = Data(
name="auth cookie",
description="auth cookie description",
classification=Classification.PUBLIC,
)
Dataflow(user, web, "User enters comments (*)", note="bbb", data=cookie)
Dataflow(web, db, "Insert query with comments", note="ccc")
Dataflow(web, func, "Call func")
Dataflow(db, web, "Retrieve comments")
Dataflow(web, user, "Show comments (*)")
Dataflow(worker, db, "Query for tasks")
self.assertTrue(tm.check())
output = json.dumps(tm, default=to_serializable, sort_keys=True, indent=4)
with open(os.path.join(output_path, "output_current.json"), "w") as x:
x.write(output)
self.maxDiff = None
self.assertEqual(output, expected)
def test_json_loads(self):
random.seed(0)
dir_path = os.path.dirname(os.path.realpath(__file__))
with open(os.path.join(dir_path, "input.json")) as x:
contents = x.read().strip()
TM.reset()
tm = loads(contents)
self.assertTrue(tm.check())
self.maxDiff = None
self.assertEqual([b.name for b in tm._boundaries], ["Internet", "Server/DB"])
self.assertEqual(
[e.name for e in tm._elements],
[
"Internet",
"Server/DB",
"User",
"Web Server",
"SQL Database",
"Request",
"Insert",
"Select",
"Response",
],
)
self.assertEqual(
[f.name for f in tm._flows], ["Request", "Insert", "Select", "Response"]
)
def test_report(self):
random.seed(0)
dir_path = os.path.dirname(os.path.realpath(__file__))
with open(os.path.join(dir_path, "output.md")) as x:
expected = x.read().strip()
TM.reset()
tm = TM(
"my test tm", description="aaa", threatsFile="pytm/threatlib/threats.json"
)
tm.isOrdered = True
internet = Boundary("Internet")
server_db = Boundary("Server/DB")
user = Actor("User", inBoundary=internet)
web = Server("Web Server")
func = Lambda("Lambda func")
worker = Process("Task queue worker")
db = Datastore("SQL Database", inBoundary=server_db)
cookie = Data(
name="auth cookie",
description="auth cookie description",
classification=Classification.PUBLIC,
)
Dataflow(user, web, "User enters comments (*)", note="bbb", data=cookie)
Dataflow(web, db, "Insert query with comments", note="ccc")
Dataflow(web, func, "Call func")
Dataflow(db, web, "Retrieve comments")
Dataflow(web, user, "Show comments (*)")
Dataflow(worker, db, "Query for tasks")
self.assertTrue(tm.check())
output = tm.report("docs/basic_template.md")
with open(os.path.join(output_path, "output_current.md"), "w") as x:
x.write(output)
with open(os.path.join(output_path, "output_current.md"), "w") as x:
x.write(output)
self.maxDiff = None
self.assertEqual(output.strip(), expected.strip())
def test_multilevel_dfd(self):
random.seed(0)
dir_path = os.path.dirname(os.path.realpath(__file__))
install_path = os.path.dirname(os.path.realpath(pytm.__file__))
with open(os.path.join(dir_path, "dfd_level0.txt")) as x:
level_0 = (
x.read().strip().replace("INSTALL_PATH", os.path.dirname(install_path))
)
with open(os.path.join(dir_path, "dfd_level1.txt")) as x:
level_1 = (
x.read().strip().replace("INSTALL_PATH", os.path.dirname(install_path))
)
TM.reset()
tm = TM("my test tm", description="aaa")
tm.isOrdered = False
internet = Boundary("Internet")
server_db = Boundary("Server/DB")
user = Actor("User", inBoundary=internet, levels=0)
web = Server("Web Server")
db = Datastore("SQL Database", inBoundary=server_db)
Dataflow(user, web, "User enters comments (*)", note="bbb")
Dataflow(web, db, "Insert query with comments", note="ccc")
Dataflow(db, web, "Retrieve comments")
Dataflow(web, user, "Show comments (*)")
self.assertTrue(tm.check())
output = tm.dfd(levels={0})
with open(os.path.join(output_path, "0.txt"), "w") as x:
x.write(output)
self.maxDiff = None
self.assertEqual(output, level_0)
TM.reset()
tm = TM("my test tm", description="aaa")
tm.isOrdered = False
internet = Boundary("Internet")
server_db = Boundary("Server/DB")
user = Actor("User", inBoundary=internet, levels=1)
web = Server("Web Server")
db = Datastore("SQL Database", inBoundary=server_db)
Dataflow(user, web, "User enters comments (*)", note="bbb")
Dataflow(web, db, "Insert query with comments", note="ccc")
Dataflow(db, web, "Retrieve comments")
Dataflow(web, user, "Show comments (*)")
self.assertTrue(tm.check())
output = tm.dfd(levels={1})
with open(os.path.join(output_path, "1.txt"), "w") as x:
x.write(output)
self.maxDiff = None
self.assertEqual(output, level_1)
class Testpytm(unittest.TestCase):
# Test for all the threats in threats.py - test Threat.apply() function
def test_INP01(self):
lambda1 = Lambda("mylambda")
process1 = Process("myprocess")
lambda1.usesEnvironmentVariables = True
lambda1.controls.sanitizesInput = False
lambda1.controls.checksInputBounds = False
process1.usesEnvironmentVariables = True
process1.controls.sanitizesInput = False
process1.controls.checksInputBounds = False
threat = threats["INP01"]
self.assertTrue(threat.apply(lambda1))
self.assertTrue(threat.apply(process1))
def test_INP02(self):
process1 = Process("myprocess")
process1.controls.checksInputBounds = False
threat = threats["INP02"]
self.assertTrue(threat.apply(process1))
def test_INP03(self):
web = Server("Web")
web.controls.sanitizesInput = False
web.controls.encodesOutput = False
threat = threats["INP03"]
self.assertTrue(threat.apply(web))
def test_CR01(self):
user = Actor("User")
web = Server("Web Server")
web.protocol = "HTTP"
web.usesVPN = False
web.usesSessionTokens = True
user_to_web = Dataflow(user, web, "User enters comments (*)")
user_to_web.protocol = "HTTP"
user_to_web.usesVPN = False
user_to_web.usesSessionTokens = True
threat = threats["CR01"]
self.assertTrue(threat.apply(web))
self.assertTrue(threat.apply(user_to_web))
def test_INP04(self):
web = Server("Web Server")
web.controls.validatesInput = False
web.controls.validatesHeaders = False
web.protocol = "HTTP"
threat = threats["INP04"]
self.assertTrue(threat.apply(web))
def test_CR02(self):
user = Actor("User")
web = Server("Web Server")
web.protocol = "HTTP"
web.controls.sanitizesInput = False
web.controls.validatesInput = False
web.usesSessionTokens = True
user_to_web = Dataflow(user, web, "User enters comments (*)")
user_to_web.protocol = "HTTP"
user_to_web.controls.sanitizesInput = False
user_to_web.controls.validatesInput = False
user_to_web.usesSessionTokens = True
threat = threats["CR02"]
self.assertTrue(threat.apply(web))
self.assertTrue(threat.apply(user_to_web))
def test_INP05(self):
web = Server("Web Server")
web.controls.validatesInput = False
threat = threats["INP05"]
self.assertTrue(threat.apply(web))
def test_INP06(self):
web = Server("Web Server")
web.protocol = "SOAP"
web.controls.sanitizesInput = False
web.controls.validatesInput = False
threat = threats["INP06"]
self.assertTrue(threat.apply(web))
def test_SC01(self):
process1 = Process("Process1")
process1.implementsNonce = False
json = Data(name="JSON", description="some JSON data", format="JSON")
process1.data = json
threat = threats["SC01"]
self.assertTrue(threat.apply(process1))
def test_LB01(self):
process1 = Process("Process1")
process1.implementsAPI = True
process1.controls.validatesInput = False
process1.controls.sanitizesInput = False
lambda1 = Lambda("Lambda1")
lambda1.implementsAPI = True
lambda1.controls.validatesInput = False
lambda1.controls.sanitizesInput = False
threat = threats["LB01"]
self.assertTrue(threat.apply(process1))
self.assertTrue(threat.apply(lambda1))
def test_AA01(self):
process1 = Process("Process1")
web = Server("Web Server")
process1.authenticatesSource = False
web.authenticatesSource = False
threat = threats["AA01"]
self.assertTrue(threat.apply(process1))
self.assertTrue(threat.apply(web))
def test_DS01(self):
web = Server("Web Server")
web.controls.sanitizesInput = False
web.controls.validatesInput = False
web.controls.encodesOutput = False
threat = threats["DS01"]
self.assertTrue(threat.apply(web))
def test_DE01(self):
with self.subTest("Default case"):
user = Actor("User")
web = Server("Web Server")
user_to_web = Dataflow(user, web, "User enters comments (*)")
user_to_web.protocol = "HTTP"
threat = threats["DE01"]
self.assertTrue(threat.apply(user_to_web))
with self.subTest("Success case"):
user = Actor("User")
web = Server("Web Server")
web.minTLSVersion = TLSVersion.TLSv12
user_to_web = Dataflow(user, web, "User enters comments (*)")
user_to_web.tlsVersion = TLSVersion.TLSv13
user_to_web.controls.isEncrypted = True
user_to_web.controls.authenticatesDestination = True
user_to_web.controls.checksDestinationRevocation = True
threat = threats["DE01"]
self.assertFalse(threat.apply(user_to_web))
with self.subTest("Dataflow TLS below minimum version"):
user = Actor("User")
web = Server("Web Server")
web.minTLSVersion = TLSVersion.TLSv12
user_to_web = Dataflow(user, web, "User enters comments (*)")
user_to_web.tlsVersion = TLSVersion.TLSv11
user_to_web.controls.isEncrypted = True
user_to_web.controls.authenticatesDestination = True
user_to_web.controls.checksDestinationRevocation = True
threat = threats["DE01"]
self.assertTrue(threat.apply(user_to_web))
with self.subTest("Dataflow doesn't authenticate destination"):
user = Actor("User")
web = Server("Web Server")
web.minTLSVersion = TLSVersion.TLSv12
user_to_web = Dataflow(user, web, "User enters comments (*)")
user_to_web.tlsVersion = TLSVersion.TLSv13
user_to_web.controls.isEncrypted = True
user_to_web.controls.authenticatesDestination = False
user_to_web.controls.checksDestinationRevocation = True
threat = threats["DE01"]
self.assertTrue(threat.apply(user_to_web))
with self.subTest("Dataflow doesn't check destination revocation"):
user = Actor("User")
web = Server("Web Server")
web.minTLSVersion = TLSVersion.TLSv12
user_to_web = Dataflow(user, web, "User enters comments (*)")
user_to_web.tlsVersion = TLSVersion.TLSv13
user_to_web.controls.isEncrypted = True
user_to_web.controls.authenticatesDestination = True
user_to_web.controls.checksDestinationRevocation = False
threat = threats["DE01"]
self.assertTrue(threat.apply(user_to_web))
with self.subTest("Dataflow is response"):
user = Actor("User")
web = Server("Web Server")
web.minTLSVersion = TLSVersion.TLSv12
user_to_web = Dataflow(user, web, "User enters comments (*)")
user_to_web.isResponse = True
user_to_web.tlsVersion = TLSVersion.TLSv13
user_to_web.controls.isEncrypted = True
user_to_web.controls.authenticatesDestination = False
user_to_web.controls.checksDestinationRevocation = False
threat = threats["DE01"]
self.assertFalse(threat.apply(user_to_web))
def test_DE02(self):
web = Server("Web Server")
process1 = Process("Process1")
web.controls.validatesInput = False
web.controls.sanitizesInput = False
process1.controls.validatesInput = False
process1.controls.sanitizesInput = False
threat = threats["DE02"]
self.assertTrue(threat.apply(web))
self.assertTrue(threat.apply(process1))
def test_API01(self):
process1 = Process("Process1")
lambda1 = Lambda("Lambda1")
process1.implementsAPI = True
lambda1.implementsAPI = True
threat = threats["API01"]
self.assertTrue(threat.apply(process1))
self.assertTrue(threat.apply(lambda1))
def test_AC01(self):
web = Server("Web Server")
process1 = Process("Process1")
db = Datastore("DB")
web.controls.hasAccessControl = False
web.controls.authorizesSource = True
process1.controls.hasAccessControl = False
process1.controls.authorizesSource = False
db.controls.hasAccessControl = False
db.controls.authorizesSource = False
threat = threats["AC01"]
self.assertTrue(threat.apply(process1))
self.assertTrue(threat.apply(web))
self.assertTrue(threat.apply(db))
def test_INP07(self):
process1 = Process("Process1")
process1.controls.usesSecureFunctions = False
threat = threats["INP07"]
self.assertTrue(threat.apply(process1))
def test_AC02(self):
db = Datastore("DB")
db.isShared = True
threat = threats["AC02"]
self.assertTrue(threat.apply(db))
def test_DO01(self):
process1 = Process("Process1")
web = Server("Web Server")
process1.controls.handlesResourceConsumption = False
process1.controls.isResilient = False
web.handlesResourceConsumption = True
threat = threats["DO01"]
self.assertTrue(threat.apply(process1))
self.assertTrue(threat.apply(web))
def test_HA01(self):
web = Server("Web Server")
web.controls.validatesInput = False
web.controls.sanitizesInput = False
threat = threats["HA01"]
self.assertTrue(threat.apply(web))
def test_AC03(self):
process1 = Process("Process1")
lambda1 = Lambda("Lambda1")
process1.usesEnvironmentVariables = True
process1.controls.implementsAuthenticationScheme = False
process1.controls.validatesInput = False
process1.controls.authorizesSource = False
lambda1.usesEnvironmentVariables = True
lambda1.controls.implementsAuthenticationScheme = False
lambda1.controls.validatesInput = False
lambda1.controls.authorizesSource = False
threat = threats["AC03"]
self.assertTrue(threat.apply(process1))
self.assertTrue(threat.apply(lambda1))
def test_DO02(self):
process1 = Process("Process1")
lambda1 = Lambda("Lambda1")
web = Server("Web Server")
db = Datastore("DB")
process1.controls.handlesResourceConsumption = False
lambda1.controls.handlesResourceConsumption = False
web.controls.handlesResourceConsumption = False
db.controls.handlesResourceConsumption = False
threat = threats["DO02"]
self.assertTrue(threat.apply(process1))
self.assertTrue(threat.apply(lambda1))
self.assertTrue(threat.apply(web))
self.assertTrue(threat.apply(db))
def test_DS02(self):
process1 = Process("Process1")
lambda1 = Lambda("Lambda1")
process1.environment = "Production"
lambda1.environment = "Production"
threat = threats["DS02"]
self.assertTrue(threat.apply(process1))
self.assertTrue(threat.apply(lambda1))
def test_INP08(self):
process1 = Process("Process1")
lambda1 = Lambda("Lambda1")
web = Server("Web Server")
process1.controls.validatesInput = False
process1.controls.sanitizesInput = False
lambda1.controls.validatesInput = False
lambda1.controls.sanitizesInput = False
web.controls.validatesInput = False
web.controls.sanitizesInput = False
threat = threats["INP08"]
self.assertTrue(threat.apply(process1))
self.assertTrue(threat.apply(lambda1))
self.assertTrue(threat.apply(web))
def test_INP09(self):
web = Server("Web Server")
web.controls.validatesInput = False
threat = threats["INP09"]
self.assertTrue(threat.apply(web))
def test_INP10(self):
web = Server("Web Server")
web.controls.validatesInput = False
threat = threats["INP10"]
self.assertTrue(threat.apply(web))
def test_INP11(self):
web = Server("Web Server")
web.controls.validatesInput = False
web.controls.sanitizesInput = False
threat = threats["INP11"]
self.assertTrue(threat.apply(web))
def test_INP12(self):
process1 = Process("Process1")
lambda1 = Lambda("Lambda1")
process1.controls.checksInputBounds = False
process1.controls.validatesInput = False
lambda1.controls.checksInputBounds = False
lambda1.controls.validatesInput = False
threat = threats["INP12"]
self.assertTrue(threat.apply(process1))
self.assertTrue(threat.apply(lambda1))
def test_AC04(self):
user = Actor("User")
web = Server("Web Server")
user_to_web = Dataflow(user, web, "User enters comments (*)")
xml = Data(name="user to web data", description="textual", format="XML")
user_to_web.data = xml
user_to_web.authorizesSource = False
threat = threats["AC04"]
self.assertTrue(threat.apply(user_to_web))
def test_DO03(self):
user = Actor("User")
web = Server("Web Server")
user_to_web = Dataflow(user, web, "User enters comments (*)")
user_to_web.protocol = "HTTP"
xml = Data(name="user to web data", description="textual", format="XML")
user_to_web.data = xml
threat = threats["DO03"]
self.assertTrue(threat.apply(user_to_web))
def test_AC05(self):
process1 = Process("Process1")
web = Server("Web Server")
process1.authenticatesDestination = False
proc_to_web = Dataflow(process1, web, "Process calls a web API")
proc_to_web.protocol = "HTTPS"
proc_to_web.controls.isEncrypted = True
threat = threats["AC05"]
self.assertTrue(threat.apply(proc_to_web))
def test_INP13(self):
process1 = Process("Process1")
lambda1 = Lambda("Lambda1")
process1.controls.validatesInput = False
lambda1.controls.validatesInput = False
threat = threats["INP13"]
self.assertTrue(threat.apply(process1))
self.assertTrue(threat.apply(lambda1))
def test_INP14(self):
process1 = Process("Process1")
lambda1 = Lambda("Lambda1")
web = Server("Web Server")
process1.controls.validatesInput = False
lambda1.controls.validatesInput = False
web.controls.validatesInput = False
threat = threats["INP14"]
self.assertTrue(threat.apply(process1))
self.assertTrue(threat.apply(lambda1))
self.assertTrue(threat.apply(web))
def test_DE03(self):
user = Actor("User")
web = Server("Web Server")
user_to_web = Dataflow(user, web, "User enters comments (*)")
user_to_web.protocol = "HTTP"
user_to_web.controls.isEncrypted = False
user_to_web.usesVPN = False
threat = threats["DE03"]
self.assertTrue(threat.apply(user_to_web))
def test_CR03(self):
process1 = Process("Process1")
web = Server("Web Server")
process1.implementsAuthenticationScheme = False
web.implementsAuthenticationScheme = False
threat = threats["CR03"]
self.assertTrue(threat.apply(process1))
self.assertTrue(threat.apply(web))
def test_API02(self):
process1 = Process("Process1")
lambda1 = Lambda("Lambda1")
process1.implementsAPI = True
process1.controls.validatesInput = False
lambda1.implementsAPI = True
lambda1.controls.validatesInput = False
threat = threats["API02"]
self.assertTrue(threat.apply(process1))
self.assertTrue(threat.apply(lambda1))
def test_HA02(self):
EE = ExternalEntity("EE")
EE.hasPhysicalAccess = True
threat = threats["HA02"]
self.assertTrue(threat.apply(EE))
def test_DS03(self):
web = Server("Web Server")
web.isHardened = False
threat = threats["DS03"]
self.assertTrue(threat.apply(web))
def test_AC06(self):
web = Server("Web Server")
web.isHardened = False
web.controls.hasAccessControl = False
threat = threats["AC06"]
self.assertTrue(threat.apply(web))
def test_HA03(self):
web = Server("Web Server")
web.controls.validatesHeaders = False
web.controls.encodesOutput = False
web.isHardened = False
threat = threats["HA03"]
self.assertTrue(threat.apply(web))
def test_SC02(self):
web = Server("Web Server")
web.controls.validatesInput = False
web.controls.encodesOutput = False
threat = threats["SC02"]
self.assertTrue(threat.apply(web))
def test_AC07(self):
web = Server("Web Server")
web.controls.hasAccessControl = False
threat = threats["AC07"]
self.assertTrue(threat.apply(web))
def test_INP15(self):
web = Server("Web Server")
web.protocol = "IMAP"
web.controls.sanitizesInput = False
threat = threats["INP15"]
self.assertTrue(threat.apply(web))
def test_HA04(self):
EE = ExternalEntity("ee")
EE.hasPhysicalAccess = True
threat = threats["HA04"]
self.assertTrue(threat.apply(EE))
def test_SC03(self):
web = Server("Web Server")
web.controls.validatesInput = False
web.controls.sanitizesInput = False
web.controls.hasAccessControl = False
threat = threats["SC03"]
self.assertTrue(threat.apply(web))
def test_INP16(self):
web = Server("Web Server")
web.controls.validatesInput = False
threat = threats["INP16"]
self.assertTrue(threat.apply(web))
def test_AA02(self):
web = Server("Web Server")
process1 = Process("process")
web.authenticatesSource = False
process1.authenticatesSource = False
threat = threats["AA02"]
self.assertTrue(threat.apply(web))
self.assertTrue(threat.apply(process1))
def test_CR04(self):
web = Server("Web Server")
web.usesSessionTokens = True