File: test_asyncio_ssl.py

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# Copyright 2012-2015 MongoDB, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Test AsyncIOMotorClient with SSL."""

import asyncio
import gc
import test
import unittest
from test.asyncio_tests import asyncio_test
from test.test_environment import CA_PEM, CLIENT_PEM, env
from unittest import SkipTest

from pymongo.errors import ConfigurationError, ConnectionFailure

from motor.motor_asyncio import AsyncIOMotorClient

# Start a mongod instance like:
#
# mongod \
# --sslOnNormalPorts \
# --sslPEMKeyFile test/certificates/server.pem \
# --sslCAFile     test/certificates/ca.pem
#
# Also, make sure you have 'server' as an alias for localhost in /etc/hosts


class TestAsyncIOSSL(unittest.TestCase):
    def setUp(self):
        if not test.env.server_is_resolvable:
            raise SkipTest(
                "No hosts entry for 'server'. Cannot validate hostname in the certificate"
            )

        asyncio.set_event_loop(None)
        self.loop = asyncio.new_event_loop()

    def tearDown(self):
        if not hasattr(self, "loop"):
            return
        self.loop.stop()
        self.loop.run_forever()
        self.loop.close()
        gc.collect()

    def test_config_ssl(self):
        # This test doesn't require a running mongod.
        self.assertRaises(ValueError, AsyncIOMotorClient, io_loop=self.loop, tls="foo")

        self.assertRaises(
            ConfigurationError,
            AsyncIOMotorClient,
            io_loop=self.loop,
            tls=False,
            tlsCertificateKeyFile=CLIENT_PEM,
        )

        self.assertRaises(
            IOError, AsyncIOMotorClient, io_loop=self.loop, tlsCertificateKeyFile="NoFile"
        )

        self.assertRaises(
            TypeError, AsyncIOMotorClient, io_loop=self.loop, tlsCertificateKeyFile=True
        )

    @asyncio_test
    async def test_cert_ssl(self):
        if not test.env.mongod_validates_client_cert:
            raise SkipTest("No mongod available over SSL with certs")

        if test.env.auth:
            raise SkipTest("Can't test with auth")

        client = AsyncIOMotorClient(
            env.host,
            env.port,
            tlsCertificateKeyFile=CLIENT_PEM,
            tlsCAFile=CA_PEM,
            io_loop=self.loop,
        )

        await client.db.collection.find_one()
        response = await client.admin.command("ismaster")
        if "setName" in response:
            client = AsyncIOMotorClient(
                env.host,
                env.port,
                tls=True,
                tlsCertificateKeyFile=CLIENT_PEM,
                tlsCAFile=CA_PEM,
                replicaSet=response["setName"],
                io_loop=self.loop,
            )

            await client.db.collection.find_one()

    @asyncio_test
    async def test_cert_ssl_validation(self):
        if not test.env.mongod_validates_client_cert:
            raise SkipTest("No mongod available over SSL with certs")

        if test.env.auth:
            raise SkipTest("Can't test with auth")

        client = AsyncIOMotorClient(
            env.host,
            env.port,
            tlsCertificateKeyFile=CLIENT_PEM,
            tlsCAFile=CA_PEM,
            io_loop=self.loop,
        )

        await client.db.collection.find_one()
        response = await client.admin.command("ismaster")

        if "setName" in response:
            client = AsyncIOMotorClient(
                env.host,
                env.port,
                replicaSet=response["setName"],
                tlsCertificateKeyFile=CLIENT_PEM,
                tlsCAFile=CA_PEM,
                io_loop=self.loop,
            )

            await client.db.collection.find_one()

    @asyncio_test
    async def test_cert_ssl_validation_none(self):
        if not test.env.mongod_validates_client_cert:
            raise SkipTest("No mongod available over SSL with certs")

        if test.env.auth:
            raise SkipTest("Can't test with auth")

        client = AsyncIOMotorClient(
            test.env.fake_hostname_uri,
            tlsCertificateKeyFile=CLIENT_PEM,
            tlsAllowInvalidCertificates=True,
            tlsCAFile=CA_PEM,
            io_loop=self.loop,
        )

        await client.admin.command("ismaster")

    @asyncio_test
    async def test_cert_ssl_validation_hostname_fail(self):
        if not test.env.mongod_validates_client_cert:
            raise SkipTest("No mongod available over SSL with certs")

        if test.env.auth:
            raise SkipTest("Can't test with auth")

        client = AsyncIOMotorClient(
            env.host,
            env.port,
            tls=True,
            tlsCertificateKeyFile=CLIENT_PEM,
            tlsCAFile=CA_PEM,
            io_loop=self.loop,
        )

        response = await client.admin.command("ismaster")
        with self.assertRaises(ConnectionFailure):
            # Create client with hostname 'server', not 'localhost',
            # which is what the server cert presents.
            client = AsyncIOMotorClient(
                test.env.fake_hostname_uri,
                serverSelectionTimeoutMS=1000,
                tlsCertificateKeyFile=CLIENT_PEM,
                tlsCAFile=CA_PEM,
                io_loop=self.loop,
            )

            await client.db.collection.find_one()

        if "setName" in response:
            with self.assertRaises(ConnectionFailure):
                client = AsyncIOMotorClient(
                    test.env.fake_hostname_uri,
                    serverSelectionTimeoutMS=1000,
                    replicaSet=response["setName"],
                    tlsCertificateKeyFile=CLIENT_PEM,
                    tlsCAFile=CA_PEM,
                    io_loop=self.loop,
                )

                await client.db.collection.find_one()