def test_invalid(self, secret, token, now, ttl_sec, backend, monkeypatch):
f = Fernet(secret.encode("ascii"), backend=backend)
current_time = calendar.timegm(iso8601.parse_date(now).utctimetuple())
with pytest.raises(InvalidToken):
f.decrypt_at_time(
token.encode("ascii"),
ttl=ttl_sec,
current_time=current_time,
)
monkeypatch.setattr(time, "time", lambda: current_time)
with pytest.raises(InvalidToken):
f.decrypt(token.encode("ascii"), ttl=ttl_sec)
def test_timestamp_ignored_no_ttl(self, monkeypatch, backend):
f = Fernet(base64.urlsafe_b64encode(b"\x00" * 32), backend=backend)
pt = b"encrypt me"
token = f.encrypt(pt)
ts = "1985-10-26T01:20:01-07:00"
current_time = calendar.timegm(iso8601.parse_date(ts).utctimetuple())
assert f.decrypt_at_time(token, ttl=None,
current_time=current_time) == pt
monkeypatch.setattr(time, "time", lambda: current_time)
assert f.decrypt(token, ttl=None) == pt
def test_verify(self, secret, now, src, ttl_sec, token, backend,
monkeypatch):
f = Fernet(secret.encode("ascii"), backend=backend)
current_time = calendar.timegm(iso8601.parse_date(now).utctimetuple())
payload = f.decrypt_at_time(
token.encode("ascii"),
ttl=ttl_sec,
current_time=current_time,
)
assert payload == src.encode("ascii")
monkeypatch.setattr(time, "time", lambda: current_time)
payload = f.decrypt(token.encode("ascii"), ttl=ttl_sec)
assert payload == src.encode("ascii")
def test_ttl_required_in_decrypt_at_time(self, monkeypatch, backend):
f = Fernet(base64.urlsafe_b64encode(b"\x00" * 32), backend=backend)
pt = b"encrypt me"
token = f.encrypt(pt)
with pytest.raises(ValueError):
f.decrypt_at_time(token, ttl=None, current_time=int(time.time()))
