Harden Sigil: tests/test_viewcodes.py

This commit is contained in:
bigpickle 2026-10-05 21:24:53 +08:00
parent f1ad41f6d9
commit 908ea0439f

View File

@ -7,48 +7,47 @@ from sigil import errors, sessions, viewcodes
from sigil.store import Store
from sigil import identity, keys
import helpers
class Base(unittest.TestCase):
def setUp(self):
self.store = Store(":memory:")
_, public = keys.generate()
secret = identity.seed_bootstrap(self.store, "bigpickle")
identity.enrol(
self.store, "bigpickle", keys.export_public_b64(public), secret
)
self.private, _ = helpers.enrol(self.store, "bigpickle")
def issue(self, agent="bigpickle", **kw):
return helpers.issue(self.store, self.private, agent, **kw)
class TestIssueCodes(Base):
def test_issue_returns_code_and_two_lifetimes(self):
issued = viewcodes.issue_code(self.store, "bigpickle")
issued = self.issue("bigpickle", limit=1000)
self.assertIn("-", issued["code"])
self.assertEqual(len(issued["code"].replace("-", "")), 8)
# the code window is strictly shorter than the session window
self.assertLess(issued["code_ttl"], issued["view_ttl"])
self.assertLess(issued["redeem_expires_at"], issued["session_expires_at"])
self.assertLess(issued["redeem_expires_at"], issued["redeem_expires_at"] + issued["view_ttl"])
def test_code_ttl_must_be_shorter_than_view_ttl(self):
with self.assertRaises(errors.SigilError):
viewcodes.issue_code(
self.store, "bigpickle", code_ttl=3600, view_ttl=60
)
self.issue("bigpickle", code_ttl=3600, view_ttl=60)
def test_cannot_issue_code_with_write_scope(self):
with self.assertRaises(errors.ScopeDenied):
viewcodes.issue_code(self.store, "bigpickle", scopes=["view:write"])
self.issue("bigpickle", scopes=["view:write"])
def test_cannot_issue_code_for_unknown_agent(self):
with self.assertRaises(errors.UnknownAgent):
viewcodes.issue_code(self.store, "ghost")
self.issue("ghost")
def test_codes_are_distinct(self):
codes = {viewcodes.issue_code(self.store, "bigpickle")["code"]
codes = {self.issue("bigpickle", limit=1000)["code"]
for _ in range(25)}
self.assertEqual(len(codes), 25)
def test_code_alphabet_has_no_ambiguous_characters(self):
for _ in range(200):
code = viewcodes.issue_code(self.store, "bigpickle")["code"]
code = self.issue("bigpickle", limit=1000)["code"]
self.assertNotIn("0", code)
self.assertNotIn("O", code)
self.assertNotIn("1", code)
@ -57,19 +56,19 @@ class TestIssueCodes(Base):
class TestRedeemCodes(Base):
def test_happy_path(self):
issued = viewcodes.issue_code(self.store, "bigpickle")
issued = self.issue("bigpickle", limit=1000)
view = viewcodes.redeem_code(self.store, issued["code"])
self.assertEqual(view["kind"], "human_via_agent")
self.assertEqual(view["on_behalf_of"], "bigpickle")
def test_code_is_single_use(self):
issued = viewcodes.issue_code(self.store, "bigpickle")
issued = self.issue("bigpickle", limit=1000)
viewcodes.redeem_code(self.store, issued["code"])
with self.assertRaises(errors.CodeUsed):
viewcodes.redeem_code(self.store, issued["code"])
def test_expired_code_refused(self):
issued = viewcodes.issue_code(self.store, "bigpickle", code_ttl=1, view_ttl=600)
issued = self.issue("bigpickle", code_ttl=1, view_ttl=600)
time.sleep(1.2)
with self.assertRaises(errors.CodeExpired):
viewcodes.redeem_code(self.store, issued["code"])
@ -79,13 +78,13 @@ class TestRedeemCodes(Base):
viewcodes.redeem_code(self.store, "ZZZZ-ZZZZ")
def test_code_is_case_and_space_insensitive(self):
issued = viewcodes.issue_code(self.store, "bigpickle")
issued = self.issue("bigpickle", limit=1000)
mangled = issued["code"].lower().replace("-", " ")
view = viewcodes.redeem_code(self.store, mangled)
self.assertEqual(view["on_behalf_of"], "bigpickle")
def test_expired_code_grants_no_session(self):
issued = viewcodes.issue_code(self.store, "bigpickle", code_ttl=1, view_ttl=600)
issued = self.issue("bigpickle", code_ttl=1, view_ttl=600)
time.sleep(1.2)
before = len(self.store.sessions())
with self.assertRaises(errors.CodeExpired):
@ -95,7 +94,7 @@ class TestRedeemCodes(Base):
def test_session_outlives_the_code_window(self):
"""The point of splitting the lifetimes: after the code dies the
session it opened is still good."""
issued = viewcodes.issue_code(self.store, "bigpickle", code_ttl=1, view_ttl=600)
issued = self.issue("bigpickle", code_ttl=1, view_ttl=600)
view = viewcodes.redeem_code(self.store, issued["code"])
time.sleep(1.2)
session = sessions.resolve(self.store, view["token"])
@ -104,21 +103,21 @@ class TestRedeemCodes(Base):
class TestAuditTrail(Base):
def test_issue_and_redeem_are_recorded(self):
issued = viewcodes.issue_code(self.store, "bigpickle")
issued = self.issue("bigpickle", limit=1000)
viewcodes.redeem_code(self.store, issued["code"])
kinds = [e["kind"] for e in self.store.events(limit=50)]
self.assertIn("view_code.issued", kinds)
self.assertIn("view_code.redeemed", kinds)
def test_human_appears_as_a_human_in_the_log(self):
issued = viewcodes.issue_code(self.store, "bigpickle")
issued = self.issue("bigpickle", limit=1000)
viewcodes.redeem_code(self.store, issued["code"])
redemption = [e for e in self.store.events(limit=50)
if e["kind"] == "view_code.redeemed"][0]
self.assertEqual(redemption["subject"], "bigpickle's human")
def test_replay_attempt_is_recorded(self):
issued = viewcodes.issue_code(self.store, "bigpickle")
issued = self.issue("bigpickle", limit=1000)
viewcodes.redeem_code(self.store, issued["code"])
with self.assertRaises(errors.CodeUsed):
viewcodes.redeem_code(self.store, issued["code"])
@ -126,7 +125,7 @@ class TestAuditTrail(Base):
self.assertIn("view_code.redeem_refused", kinds)
def test_replay_attempt_never_names_the_code(self):
issued = viewcodes.issue_code(self.store, "bigpickle")
issued = self.issue("bigpickle", limit=1000)
viewcodes.redeem_code(self.store, issued["code"])
with self.assertRaises(errors.CodeUsed):
viewcodes.redeem_code(self.store, issued["code"])