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# Tests for the TLS client
# Copyright (C) 2025 Nguyễn Gia Phong
#
# This file is part of scadere.
#
# Scadere is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Scadere is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with scadere. If not, see <https://www.gnu.org/licenses/>.
from asyncio import get_running_loop, start_server
from base64 import urlsafe_b64encode as base64
from datetime import datetime, timedelta, timezone
from io import StringIO
from ssl import Purpose, create_default_context as tls_context
from pytest import mark
from trustme import CA
from scadere.check import check
from scadere.listen import parse_summary
SECONDS_AGO = datetime.now(tz=timezone.utc)
NEXT_DAY = SECONDS_AGO + timedelta(days=1)
NEXT_WEEK = SECONDS_AGO + timedelta(days=7)
async def noop(reader, writer):
"""Do nothing."""
writer.close()
await writer.wait_closed()
def failed_to_get_cert(summary):
"""Return if any field is N/A."""
return any(field == 'N/A' for field in summary)
@mark.parametrize('domain', ['localhost'])
@mark.parametrize('ca_name', ['trustme'])
@mark.parametrize('not_after', [SECONDS_AGO, NEXT_DAY, NEXT_WEEK])
@mark.parametrize('after', [NEXT_DAY, NEXT_WEEK])
@mark.parametrize('trust_ca', [False, True])
async def test_check(domain, ca_name, not_after, after, trust_ca):
ctx = tls_context(Purpose.CLIENT_AUTH)
ca = CA(organization_name=ca_name)
# TODO: not_before = SECONDS_AGO for reproducible build
cert = ca.issue_cert(domain, not_after=not_after)
cert.configure_cert(ctx)
ca.configure_trust(ctx)
async with await start_server(noop, domain, ssl=ctx) as server:
loop = get_running_loop()
port = server.sockets[0].getsockname()[1]
assert isinstance(port, int)
output = StringIO()
await loop.run_in_executor(None, check, [(domain, port)],
after, output, ca if trust_ca else None)
if trust_ca and after < not_after:
assert not output.getvalue()
else:
summary, = map(parse_summary, output.getvalue().splitlines())
if not trust_ca:
assert failed_to_get_cert(summary)
assert 'self-signed certificate' in summary[-1]
elif not_after == SECONDS_AGO:
assert failed_to_get_cert(summary)
assert 'certificate has expired' in summary[-1]
else:
# TODO: assert on summary[0]
assert summary[1] == not_after.isoformat(timespec='seconds')
assert summary[2] == domain
assert summary[3] == str(port)
assert summary[5] == base64(ca_name.encode()).decode()
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