Exemplo n.º 1
0
    def test_https_timeout(self):

        timeout = Timeout(total=None, connect=SHORT_TIMEOUT)
        with HTTPSConnectionPool(
                TARPIT_HOST,
                self.port,
                timeout=timeout,
                retries=False,
                cert_reqs="CERT_REQUIRED",
        ) as https_pool:
            with pytest.raises(ConnectTimeoutError):
                https_pool.request("GET", "/")

        timeout = Timeout(read=0.01)
        with HTTPSConnectionPool(
                self.host,
                self.port,
                timeout=timeout,
                retries=False,
                cert_reqs="CERT_REQUIRED",
        ) as https_pool:
            https_pool.assert_fingerprint = (
                "92:81:FE:85:F7:0C:26:60:EC:D6:B3:BF:93:CF:F9:71:CC:07:7D:0A")

        timeout = Timeout(total=None)
        with HTTPSConnectionPool(self.host,
                                 self.port,
                                 timeout=timeout,
                                 cert_reqs="CERT_NONE") as https_pool:
            https_pool.request("GET", "/")
Exemplo n.º 2
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    def test_client_no_intermediate(self, certs_dir):
        """Check that missing links in certificate chains indeed break

        The only difference with test_client_intermediate is that we don't send the
        intermediate CA to the server, only the client cert.
        """
        with HTTPSConnectionPool(
                self.host,
                self.port,
                cert_file=str(certs_dir / CLIENT_NO_INTERMEDIATE_PEM),
                key_file=str(certs_dir / CLIENT_INTERMEDIATE_KEY),
                ca_certs=DEFAULT_CA,
        ) as https_pool:
            try:
                https_pool.request("GET", "/certificate", retries=False)
            except SSLError as e:
                if not ("alert unknown ca" in str(e)
                        or "invalid certificate chain" in str(e)
                        or "unknown Cert Authority" in str(e) or
                        # https://github.com/urllib3/urllib3/issues/1422
                        "connection closed via error" in str(e)
                        or "WSAECONNRESET" in str(e)):
                    raise
            except ProtocolError as e:
                if not ("An existing connection was forcibly closed by the remote host"
                        in str(e)
                        # Python 3.7.4+
                        or "WSAECONNRESET" in str(e)  # Windows
                        or "EPIPE" in str(e)  # macOS
                        or "ECONNRESET" in str(e)  # OpenSSL
                        ):
                    raise
Exemplo n.º 3
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 def test_assert_specific_hostname(self):
     with HTTPSConnectionPool("localhost",
                              self.port,
                              cert_reqs="CERT_REQUIRED",
                              ca_certs=DEFAULT_CA) as https_pool:
         https_pool.assert_hostname = "localhost"
         https_pool.request("GET", "/")
Exemplo n.º 4
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 def test_strip_square_brackets_before_validating(self):
     """Test that the fix for #760 works."""
     with HTTPSConnectionPool("[::1]",
                              self.port,
                              cert_reqs="CERT_REQUIRED",
                              ca_certs=IPV6_ADDR_CA) as https_pool:
         r = https_pool.request("GET", "/")
         assert r.status == 200
Exemplo n.º 5
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 def test_verify_none_and_good_fingerprint(self):
     with HTTPSConnectionPool("127.0.0.1",
                              self.port,
                              cert_reqs="CERT_NONE",
                              ca_certs=DEFAULT_CA_BAD) as https_pool:
         https_pool.assert_fingerprint = (
             "92:81:FE:85:F7:0C:26:60:EC:D6:B3:BF:93:CF:F9:71:CC:07:7D:0A")
         https_pool.request("GET", "/")
Exemplo n.º 6
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 def test_assert_fingerprint_sha1(self):
     with HTTPSConnectionPool("localhost",
                              self.port,
                              cert_reqs="CERT_REQUIRED",
                              ca_certs=DEFAULT_CA) as https_pool:
         https_pool.assert_fingerprint = (
             "92:81:FE:85:F7:0C:26:60:EC:D6:B3:BF:93:CF:F9:71:CC:07:7D:0A")
         https_pool.request("GET", "/")
Exemplo n.º 7
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    def test_assert_fingerprint_md5(self):
        with HTTPSConnectionPool("localhost",
                                 self.port,
                                 cert_reqs="CERT_REQUIRED",
                                 ca_certs=DEFAULT_CA) as https_pool:
            https_pool.assert_fingerprint = (
                "F2:06:5A:42:10:3F:45:1C:17:FE:E6:07:1E:8A:86:E5")

            https_pool.request("GET", "/")
Exemplo n.º 8
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    def _request_without_resource_warnings(self, method, url):
        with warnings.catch_warnings(record=True) as w:
            warnings.simplefilter("always")
            with HTTPSConnectionPool(self.host,
                                     self.port,
                                     cert_reqs="CERT_REQUIRED",
                                     ca_certs=DEFAULT_CA) as pool:
                pool.request(method, url)

        return [x for x in w if not isinstance(x.message, ResourceWarning)]
Exemplo n.º 9
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 def test_warning_for_certs_without_a_san(self):
     """Ensure that a warning is raised when the cert from the server has
     no Subject Alternative Name."""
     with mock.patch("warnings.warn") as warn:
         with HTTPSConnectionPool(self.host,
                                  self.port,
                                  ca_certs=self.ca_certs) as https_pool:
             r = https_pool.request("GET", "/")
             assert r.status == 200
             assert warn.called
Exemplo n.º 10
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 def test_verify_none_and_bad_fingerprint(self):
     with HTTPSConnectionPool("127.0.0.1",
                              self.port,
                              cert_reqs="CERT_NONE",
                              ca_certs=DEFAULT_CA_BAD) as https_pool:
         https_pool.assert_fingerprint = (
             "AA:AA:AA:AA:AA:AAAA:AA:AAAA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA")
         with pytest.raises(MaxRetryError) as cm:
             https_pool.request("GET", "/", retries=0)
         assert isinstance(cm.value.reason, SSLError)
Exemplo n.º 11
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 def test_client_encrypted_key_requires_password(self):
     with pytest.raises(SSLError) as e:
         HTTPSConnectionPool(
             self.host,
             self.port,
             key_file=PASSWORD_CLIENT_KEYFILE,
             cert_file=CLIENT_CERT,
             key_password=None,
         )
     assert "password is required" in str(e.value)
Exemplo n.º 12
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 def test_assert_fingerprint_sha256(self):
     with HTTPSConnectionPool("localhost",
                              self.port,
                              cert_reqs="CERT_REQUIRED",
                              ca_certs=DEFAULT_CA) as https_pool:
         https_pool.assert_fingerprint = (
             "C5:4D:0B:83:84:89:2E:AE:B4:58:BB:12:"
             "F7:A6:C4:76:05:03:88:D8:57:65:51:F3:"
             "1E:60:B0:8B:70:18:64:E6")
         https_pool.request("GET", "/")
Exemplo n.º 13
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    def test_enhanced_timeout(self):
        with HTTPSConnectionPool(
                TARPIT_HOST,
                self.port,
                timeout=Timeout(connect=SHORT_TIMEOUT),
                retries=False,
                cert_reqs="CERT_REQUIRED",
        ) as https_pool:
            conn = https_pool._new_conn()
            with pytest.raises(ConnectTimeoutError):
                https_pool.request("GET", "/")
            with pytest.raises(ConnectTimeoutError):
                https_pool._make_request(conn, "GET", "/")

        with HTTPSConnectionPool(
                TARPIT_HOST,
                self.port,
                timeout=Timeout(connect=LONG_TIMEOUT),
                retries=False,
                cert_reqs="CERT_REQUIRED",
        ) as https_pool:
            with pytest.raises(ConnectTimeoutError):
                https_pool.request("GET",
                                   "/",
                                   timeout=Timeout(connect=SHORT_TIMEOUT))

        with HTTPSConnectionPool(
                TARPIT_HOST,
                self.port,
                timeout=Timeout(total=None),
                retries=False,
                cert_reqs="CERT_REQUIRED",
        ) as https_pool:
            conn = https_pool._new_conn()
            try:
                with pytest.raises(ConnectTimeoutError):
                    https_pool.request("GET",
                                       "/",
                                       timeout=Timeout(total=None,
                                                       connect=SHORT_TIMEOUT))
            finally:
                conn.close()
Exemplo n.º 14
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 def test_verified_with_bad_ca_certs(self):
     with HTTPSConnectionPool(self.host,
                              self.port,
                              cert_reqs="CERT_REQUIRED",
                              ca_certs=DEFAULT_CA_BAD) as https_pool:
         with pytest.raises(MaxRetryError) as e:
             https_pool.request("GET", "/")
         assert isinstance(e.value.reason, SSLError)
         assert "certificate verify failed" in str(e.value.reason), (
             "Expected 'certificate verify failed', instead got: %r" %
             e.value.reason)
Exemplo n.º 15
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 def test_invalid_common_name(self):
     with HTTPSConnectionPool("127.0.0.1",
                              self.port,
                              cert_reqs="CERT_REQUIRED",
                              ca_certs=DEFAULT_CA) as https_pool:
         with pytest.raises(MaxRetryError) as e:
             https_pool.request("GET", "/")
         assert isinstance(e.value.reason, SSLError)
         assert "doesn't match" in str(
             e.value.reason) or "certificate verify failed" in str(
                 e.value.reason)
Exemplo n.º 16
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    def test_enhanced_ssl_connection(self):
        fingerprint = "92:81:FE:85:F7:0C:26:60:EC:D6:B3:BF:93:CF:F9:71:CC:07:7D:0A"

        with HTTPSConnectionPool(
                self.host,
                self.port,
                cert_reqs="CERT_REQUIRED",
                ca_certs=DEFAULT_CA,
                assert_fingerprint=fingerprint,
        ) as https_pool:
            r = https_pool.urlopen("GET", "/")
            assert r.status == 200
Exemplo n.º 17
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 def test_good_fingerprint_and_hostname_mismatch(self):
     # This test doesn't run with SecureTransport because we don't turn off
     # hostname validation without turning off all validation, which this
     # test doesn't do (deliberately). We should revisit this if we make
     # new decisions.
     with HTTPSConnectionPool("127.0.0.1",
                              self.port,
                              cert_reqs="CERT_REQUIRED",
                              ca_certs=DEFAULT_CA) as https_pool:
         https_pool.assert_fingerprint = (
             "92:81:FE:85:F7:0C:26:60:EC:D6:B3:BF:93:CF:F9:71:CC:07:7D:0A")
         https_pool.request("GET", "/")
Exemplo n.º 18
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    def test_can_validate_ipv6_san(self):
        """Ensure that hip can validate SANs with IPv6 addresses in them."""
        try:
            import ipaddress  # noqa: F401
        except ImportError:
            pytest.skip("Only runs on systems with an ipaddress module")

        with HTTPSConnectionPool("[::1]",
                                 self.port,
                                 cert_reqs="CERT_REQUIRED",
                                 ca_certs=IPV6_SAN_CA) as https_pool:
            r = https_pool.request("GET", "/")
            assert r.status == 200
Exemplo n.º 19
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 def test_client_key_password(self):
     with HTTPSConnectionPool(
             self.host,
             self.port,
             ca_certs=DEFAULT_CA,
             key_file=PASSWORD_CLIENT_KEYFILE,
             cert_file=CLIENT_CERT,
             key_password="******",
     ) as https_pool:
         r = https_pool.request("GET", "/certificate")
         subject = json.loads(r.data.decode("utf-8"))
         assert subject["organizationalUnitName"].startswith(
             "Testing server cert")
Exemplo n.º 20
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    def test_unverified_ssl(self):
        """ Test that bare HTTPSConnection can connect, make requests """
        with HTTPSConnectionPool(self.host, self.port,
                                 cert_reqs=ssl.CERT_NONE) as pool:
            with mock.patch("warnings.warn") as warn:
                r = pool.request("GET", "/")
                assert r.status == 200
                assert warn.called

                # Modern versions of Python, or systems using PyOpenSSL, only emit
                # the unverified warning. Older systems may also emit other
                # warnings, which we want to ignore here.
                calls = warn.call_args_list
                assert InsecureRequestWarning in [x[0][1] for x in calls]
Exemplo n.º 21
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    def test_ca_dir_verified(self, tmpdir):
        # OpenSSL looks up certificates by the hash for their name, see c_rehash
        # TODO infer the bytes using `cryptography.x509.Name.public_bytes`.
        # https://github.com/pyca/cryptography/pull/3236
        shutil.copyfile(DEFAULT_CA, str(tmpdir / "b6b9ccf9.0"))

        with HTTPSConnectionPool(self.host,
                                 self.port,
                                 cert_reqs="CERT_REQUIRED",
                                 ca_cert_dir=str(tmpdir)) as https_pool:
            with mock.patch("warnings.warn") as warn:
                r = https_pool.request("GET", "/")
                assert r.status == 200
                assert not warn.called, warn.call_args_list
Exemplo n.º 22
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    def test_client_intermediate(self, certs_dir):
        """Check that certificate chains work well with client certs

        We generate an intermediate CA from the root CA, and issue a client certificate
        from that intermediate CA. Since the server only knows about the root CA, we
        need to send it the certificate *and* the intermediate CA, so that it can check
        the whole chain.
        """
        with HTTPSConnectionPool(
                self.host,
                self.port,
                key_file=str(certs_dir / CLIENT_INTERMEDIATE_KEY),
                cert_file=str(certs_dir / CLIENT_INTERMEDIATE_PEM),
                ca_certs=DEFAULT_CA,
        ) as https_pool:
            r = https_pool.request("GET", "/certificate")
            subject = json.loads(r.data.decode("utf-8"))
            assert subject["organizationalUnitName"].startswith("Testing cert")
Exemplo n.º 23
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 def test_verified_without_ca_certs(self):
     # default is cert_reqs=None which is ssl.CERT_NONE
     with HTTPSConnectionPool(self.host,
                              self.port,
                              cert_reqs="CERT_REQUIRED") as https_pool:
         with pytest.raises(MaxRetryError) as e:
             https_pool.request("GET", "/")
         assert isinstance(e.value.reason, SSLError)
         # there is a different error message depending on whether or
         # not pyopenssl is injected
         assert ("No root certificates specified" in str(e.value.reason)
                 # PyPy sometimes uses all-caps here
                 or
                 "certificate verify failed" in str(e.value.reason).lower()
                 or "invalid certificate chain" in str(e.value.reason)), (
                     "Expected 'No root certificates specified',  "
                     "'certificate verify failed', or "
                     "'invalid certificate chain', "
                     "instead got: %r" % e.value.reason)
Exemplo n.º 24
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    def test_server_hostname(self):
        with HTTPSConnectionPool(
                "127.0.0.1",
                self.port,
                cert_reqs="CERT_REQUIRED",
                ca_certs=DEFAULT_CA,
                server_hostname="localhost",
        ) as https_pool:
            conn = https_pool._new_conn()
            https_pool._start_conn(conn, connect_timeout=None)

            # Assert the wrapping socket is using the passed-through SNI name.
            # pyopenssl doesn't let you pull the server_hostname back off the
            # socket, so only add this assertion if the attribute is there (i.e.
            # the python ssl module).
            # XXX This is highly-specific to SyncBackend
            # See https://github.com/python-trio/hip/pull/54#discussion_r241683895
            # for potential solutions
            sock = conn._sock._sock
            if hasattr(sock, "server_hostname"):
                assert sock.server_hostname == "localhost"
Exemplo n.º 25
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    def test_verified(self):
        with HTTPSConnectionPool(self.host,
                                 self.port,
                                 cert_reqs="CERT_REQUIRED",
                                 ca_certs=DEFAULT_CA) as https_pool:
            with mock.patch("warnings.warn") as warn:
                r = https_pool.request("GET", "/")
                assert r.status == 200

                # Modern versions of Python, or systems using PyOpenSSL, don't
                # emit warnings.
                if (sys.version_info >= (2, 7, 9) or util.IS_PYOPENSSL
                        or util.IS_SECURETRANSPORT):
                    assert not warn.called, warn.call_args_list
                else:
                    assert warn.called
                    if util.HAS_SNI:
                        call = warn.call_args_list[0]
                    else:
                        call = warn.call_args_list[1]
                    error = call[0][1]
                    assert error == InsecurePlatformWarning
Exemplo n.º 26
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    def test_verified_with_context(self):
        ctx = util.ssl_.create_ssl_context(cert_reqs=ssl.CERT_REQUIRED)
        ctx.load_verify_locations(cafile=DEFAULT_CA)
        with HTTPSConnectionPool(self.host, self.port,
                                 ssl_context=ctx) as https_pool:
            with mock.patch("warnings.warn") as warn:
                r = https_pool.request("GET", "/")
                assert r.status == 200

                # Modern versions of Python, or systems using PyOpenSSL, don't
                # emit warnings.
                if (sys.version_info >= (2, 7, 9) or util.IS_PYOPENSSL
                        or util.IS_SECURETRANSPORT):
                    assert not warn.called, warn.call_args_list
                else:
                    assert warn.called
                    if util.HAS_SNI:
                        call = warn.call_args_list[0]
                    else:
                        call = warn.call_args_list[1]
                    error = call[0][1]
                    assert error == InsecurePlatformWarning
Exemplo n.º 27
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    def test_ssl_unverified_with_ca_certs(self):
        with HTTPSConnectionPool(self.host,
                                 self.port,
                                 cert_reqs="CERT_NONE",
                                 ca_certs=DEFAULT_CA_BAD) as pool:
            with mock.patch("warnings.warn") as warn:
                r = pool.request("GET", "/")
                assert r.status == 200
                assert warn.called

                # Modern versions of Python, or systems using PyOpenSSL, only emit
                # the unverified warning. Older systems may also emit other
                # warnings, which we want to ignore here.
                calls = warn.call_args_list
                if (sys.version_info >= (2, 7, 9) or util.IS_PYOPENSSL
                        or util.IS_SECURETRANSPORT):
                    category = calls[0][0][1]
                elif util.HAS_SNI:
                    category = calls[1][0][1]
                else:
                    category = calls[2][0][1]
                assert category == InsecureRequestWarning
Exemplo n.º 28
0
    def test_assert_invalid_fingerprint(self):
        with HTTPSConnectionPool("127.0.0.1",
                                 self.port,
                                 cert_reqs="CERT_REQUIRED",
                                 ca_certs=DEFAULT_CA) as https_pool:
            https_pool.assert_fingerprint = (
                "AA:AA:AA:AA:AA:AAAA:AA:AAAA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA")

            def _test_request(pool):
                with pytest.raises(MaxRetryError) as cm:
                    pool.request("GET", "/", retries=0)
                assert isinstance(cm.value.reason, SSLError)

            _test_request(https_pool)
            https_pool._get_conn()

            # Uneven length
            https_pool.assert_fingerprint = "AA:A"
            _test_request(https_pool)
            https_pool._get_conn()

            # Invalid length
            https_pool.assert_fingerprint = "AA"
            _test_request(https_pool)
Exemplo n.º 29
0
 def setup_method(self, method):
     self._pool = HTTPSConnectionPool(self.host,
                                      self.port,
                                      ca_certs=DEFAULT_CA)
Exemplo n.º 30
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class TestHTTPS(HTTPSDummyServerTestCase):
    tls_protocol_name = None

    def setup_method(self, method):
        self._pool = HTTPSConnectionPool(self.host,
                                         self.port,
                                         ca_certs=DEFAULT_CA)

    def teardown_method(self, method):
        self._pool.close()

    def test_simple(self):
        r = self._pool.request("GET", "/")
        assert r.status == 200, r.data

    @fails_on_travis_gce
    def test_dotted_fqdn(self):
        with HTTPSConnectionPool(self.host + ".",
                                 self.port,
                                 ca_certs=DEFAULT_CA) as pool:
            r = pool.request("GET", "/")
            assert r.status == 200, r.data

    def test_client_intermediate(self, certs_dir):
        """Check that certificate chains work well with client certs

        We generate an intermediate CA from the root CA, and issue a client certificate
        from that intermediate CA. Since the server only knows about the root CA, we
        need to send it the certificate *and* the intermediate CA, so that it can check
        the whole chain.
        """
        with HTTPSConnectionPool(
                self.host,
                self.port,
                key_file=str(certs_dir / CLIENT_INTERMEDIATE_KEY),
                cert_file=str(certs_dir / CLIENT_INTERMEDIATE_PEM),
                ca_certs=DEFAULT_CA,
        ) as https_pool:
            r = https_pool.request("GET", "/certificate")
            subject = json.loads(r.data.decode("utf-8"))
            assert subject["organizationalUnitName"].startswith("Testing cert")

    def test_client_no_intermediate(self, certs_dir):
        """Check that missing links in certificate chains indeed break

        The only difference with test_client_intermediate is that we don't send the
        intermediate CA to the server, only the client cert.
        """
        with HTTPSConnectionPool(
                self.host,
                self.port,
                cert_file=str(certs_dir / CLIENT_NO_INTERMEDIATE_PEM),
                key_file=str(certs_dir / CLIENT_INTERMEDIATE_KEY),
                ca_certs=DEFAULT_CA,
        ) as https_pool:
            try:
                https_pool.request("GET", "/certificate", retries=False)
            except SSLError as e:
                if not ("alert unknown ca" in str(e)
                        or "invalid certificate chain" in str(e)
                        or "unknown Cert Authority" in str(e) or
                        # https://github.com/urllib3/urllib3/issues/1422
                        "connection closed via error" in str(e)
                        or "WSAECONNRESET" in str(e)):
                    raise
            except ProtocolError as e:
                if not ("An existing connection was forcibly closed by the remote host"
                        in str(e)
                        # Python 3.7.4+
                        or "WSAECONNRESET" in str(e)  # Windows
                        or "EPIPE" in str(e)  # macOS
                        or "ECONNRESET" in str(e)  # OpenSSL
                        ):
                    raise

    @requires_ssl_context_keyfile_password
    def test_client_key_password(self):
        with HTTPSConnectionPool(
                self.host,
                self.port,
                ca_certs=DEFAULT_CA,
                key_file=PASSWORD_CLIENT_KEYFILE,
                cert_file=CLIENT_CERT,
                key_password="******",
        ) as https_pool:
            r = https_pool.request("GET", "/certificate")
            subject = json.loads(r.data.decode("utf-8"))
            assert subject["organizationalUnitName"].startswith(
                "Testing server cert")

    @requires_ssl_context_keyfile_password
    def test_client_encrypted_key_requires_password(self):
        with pytest.raises(SSLError) as e:
            HTTPSConnectionPool(
                self.host,
                self.port,
                key_file=PASSWORD_CLIENT_KEYFILE,
                cert_file=CLIENT_CERT,
                key_password=None,
            )
        assert "password is required" in str(e.value)

    def test_verified(self):
        with HTTPSConnectionPool(self.host,
                                 self.port,
                                 cert_reqs="CERT_REQUIRED",
                                 ca_certs=DEFAULT_CA) as https_pool:
            with mock.patch("warnings.warn") as warn:
                r = https_pool.request("GET", "/")
                assert r.status == 200

                # Modern versions of Python, or systems using PyOpenSSL, don't
                # emit warnings.
                if (sys.version_info >= (2, 7, 9) or util.IS_PYOPENSSL
                        or util.IS_SECURETRANSPORT):
                    assert not warn.called, warn.call_args_list
                else:
                    assert warn.called
                    if util.HAS_SNI:
                        call = warn.call_args_list[0]
                    else:
                        call = warn.call_args_list[1]
                    error = call[0][1]
                    assert error == InsecurePlatformWarning

    def test_verified_with_context(self):
        ctx = util.ssl_.create_ssl_context(cert_reqs=ssl.CERT_REQUIRED)
        ctx.load_verify_locations(cafile=DEFAULT_CA)
        with HTTPSConnectionPool(self.host, self.port,
                                 ssl_context=ctx) as https_pool:
            with mock.patch("warnings.warn") as warn:
                r = https_pool.request("GET", "/")
                assert r.status == 200

                # Modern versions of Python, or systems using PyOpenSSL, don't
                # emit warnings.
                if (sys.version_info >= (2, 7, 9) or util.IS_PYOPENSSL
                        or util.IS_SECURETRANSPORT):
                    assert not warn.called, warn.call_args_list
                else:
                    assert warn.called
                    if util.HAS_SNI:
                        call = warn.call_args_list[0]
                    else:
                        call = warn.call_args_list[1]
                    error = call[0][1]
                    assert error == InsecurePlatformWarning

    def test_context_combines_with_ca_certs(self):
        ctx = util.ssl_.create_ssl_context(cert_reqs=ssl.CERT_REQUIRED)
        with HTTPSConnectionPool(self.host,
                                 self.port,
                                 ca_certs=DEFAULT_CA,
                                 ssl_context=ctx) as https_pool:
            with mock.patch("warnings.warn") as warn:
                r = https_pool.request("GET", "/")
                assert r.status == 200

                # Modern versions of Python, or systems using PyOpenSSL, don't
                # emit warnings.
                if (sys.version_info >= (2, 7, 9) or util.IS_PYOPENSSL
                        or util.IS_SECURETRANSPORT):
                    assert not warn.called, warn.call_args_list
                else:
                    assert warn.called
                    if util.HAS_SNI:
                        call = warn.call_args_list[0]
                    else:
                        call = warn.call_args_list[1]
                    error = call[0][1]
                    assert error == InsecurePlatformWarning

    @onlyPy279OrNewer
    @notSecureTransport  # SecureTransport does not support cert directories
    @notOpenSSL098  # OpenSSL 0.9.8 does not support cert directories
    def test_ca_dir_verified(self, tmpdir):
        # OpenSSL looks up certificates by the hash for their name, see c_rehash
        # TODO infer the bytes using `cryptography.x509.Name.public_bytes`.
        # https://github.com/pyca/cryptography/pull/3236
        shutil.copyfile(DEFAULT_CA, str(tmpdir / "b6b9ccf9.0"))

        with HTTPSConnectionPool(self.host,
                                 self.port,
                                 cert_reqs="CERT_REQUIRED",
                                 ca_cert_dir=str(tmpdir)) as https_pool:
            with mock.patch("warnings.warn") as warn:
                r = https_pool.request("GET", "/")
                assert r.status == 200
                assert not warn.called, warn.call_args_list

    def test_invalid_common_name(self):
        with HTTPSConnectionPool("127.0.0.1",
                                 self.port,
                                 cert_reqs="CERT_REQUIRED",
                                 ca_certs=DEFAULT_CA) as https_pool:
            with pytest.raises(MaxRetryError) as e:
                https_pool.request("GET", "/")
            assert isinstance(e.value.reason, SSLError)
            assert "doesn't match" in str(
                e.value.reason) or "certificate verify failed" in str(
                    e.value.reason)

    def test_verified_with_bad_ca_certs(self):
        with HTTPSConnectionPool(self.host,
                                 self.port,
                                 cert_reqs="CERT_REQUIRED",
                                 ca_certs=DEFAULT_CA_BAD) as https_pool:
            with pytest.raises(MaxRetryError) as e:
                https_pool.request("GET", "/")
            assert isinstance(e.value.reason, SSLError)
            assert "certificate verify failed" in str(e.value.reason), (
                "Expected 'certificate verify failed', instead got: %r" %
                e.value.reason)

    def test_verified_without_ca_certs(self):
        # default is cert_reqs=None which is ssl.CERT_NONE
        with HTTPSConnectionPool(self.host,
                                 self.port,
                                 cert_reqs="CERT_REQUIRED") as https_pool:
            with pytest.raises(MaxRetryError) as e:
                https_pool.request("GET", "/")
            assert isinstance(e.value.reason, SSLError)
            # there is a different error message depending on whether or
            # not pyopenssl is injected
            assert ("No root certificates specified" in str(e.value.reason)
                    # PyPy sometimes uses all-caps here
                    or
                    "certificate verify failed" in str(e.value.reason).lower()
                    or "invalid certificate chain" in str(e.value.reason)), (
                        "Expected 'No root certificates specified',  "
                        "'certificate verify failed', or "
                        "'invalid certificate chain', "
                        "instead got: %r" % e.value.reason)

    def test_unverified_ssl(self):
        """ Test that bare HTTPSConnection can connect, make requests """
        with HTTPSConnectionPool(self.host, self.port,
                                 cert_reqs=ssl.CERT_NONE) as pool:
            with mock.patch("warnings.warn") as warn:
                r = pool.request("GET", "/")
                assert r.status == 200
                assert warn.called

                # Modern versions of Python, or systems using PyOpenSSL, only emit
                # the unverified warning. Older systems may also emit other
                # warnings, which we want to ignore here.
                calls = warn.call_args_list
                assert InsecureRequestWarning in [x[0][1] for x in calls]

    def test_ssl_unverified_with_ca_certs(self):
        with HTTPSConnectionPool(self.host,
                                 self.port,
                                 cert_reqs="CERT_NONE",
                                 ca_certs=DEFAULT_CA_BAD) as pool:
            with mock.patch("warnings.warn") as warn:
                r = pool.request("GET", "/")
                assert r.status == 200
                assert warn.called

                # Modern versions of Python, or systems using PyOpenSSL, only emit
                # the unverified warning. Older systems may also emit other
                # warnings, which we want to ignore here.
                calls = warn.call_args_list
                if (sys.version_info >= (2, 7, 9) or util.IS_PYOPENSSL
                        or util.IS_SECURETRANSPORT):
                    category = calls[0][0][1]
                elif util.HAS_SNI:
                    category = calls[1][0][1]
                else:
                    category = calls[2][0][1]
                assert category == InsecureRequestWarning

    def test_assert_hostname_false(self):
        with HTTPSConnectionPool("localhost",
                                 self.port,
                                 cert_reqs="CERT_REQUIRED",
                                 ca_certs=DEFAULT_CA) as https_pool:
            https_pool.assert_hostname = False
            https_pool.request("GET", "/")

    def test_assert_specific_hostname(self):
        with HTTPSConnectionPool("localhost",
                                 self.port,
                                 cert_reqs="CERT_REQUIRED",
                                 ca_certs=DEFAULT_CA) as https_pool:
            https_pool.assert_hostname = "localhost"
            https_pool.request("GET", "/")

    def test_server_hostname(self):
        with HTTPSConnectionPool(
                "127.0.0.1",
                self.port,
                cert_reqs="CERT_REQUIRED",
                ca_certs=DEFAULT_CA,
                server_hostname="localhost",
        ) as https_pool:
            conn = https_pool._new_conn()
            https_pool._start_conn(conn, connect_timeout=None)

            # Assert the wrapping socket is using the passed-through SNI name.
            # pyopenssl doesn't let you pull the server_hostname back off the
            # socket, so only add this assertion if the attribute is there (i.e.
            # the python ssl module).
            # XXX This is highly-specific to SyncBackend
            # See https://github.com/python-trio/hip/pull/54#discussion_r241683895
            # for potential solutions
            sock = conn._sock._sock
            if hasattr(sock, "server_hostname"):
                assert sock.server_hostname == "localhost"

    def test_assert_fingerprint_md5(self):
        with HTTPSConnectionPool("localhost",
                                 self.port,
                                 cert_reqs="CERT_REQUIRED",
                                 ca_certs=DEFAULT_CA) as https_pool:
            https_pool.assert_fingerprint = (
                "F2:06:5A:42:10:3F:45:1C:17:FE:E6:07:1E:8A:86:E5")

            https_pool.request("GET", "/")

    def test_assert_fingerprint_sha1(self):
        with HTTPSConnectionPool("localhost",
                                 self.port,
                                 cert_reqs="CERT_REQUIRED",
                                 ca_certs=DEFAULT_CA) as https_pool:
            https_pool.assert_fingerprint = (
                "92:81:FE:85:F7:0C:26:60:EC:D6:B3:BF:93:CF:F9:71:CC:07:7D:0A")
            https_pool.request("GET", "/")

    def test_assert_fingerprint_sha256(self):
        with HTTPSConnectionPool("localhost",
                                 self.port,
                                 cert_reqs="CERT_REQUIRED",
                                 ca_certs=DEFAULT_CA) as https_pool:
            https_pool.assert_fingerprint = (
                "C5:4D:0B:83:84:89:2E:AE:B4:58:BB:12:"
                "F7:A6:C4:76:05:03:88:D8:57:65:51:F3:"
                "1E:60:B0:8B:70:18:64:E6")
            https_pool.request("GET", "/")

    def test_assert_invalid_fingerprint(self):
        with HTTPSConnectionPool("127.0.0.1",
                                 self.port,
                                 cert_reqs="CERT_REQUIRED",
                                 ca_certs=DEFAULT_CA) as https_pool:
            https_pool.assert_fingerprint = (
                "AA:AA:AA:AA:AA:AAAA:AA:AAAA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA")

            def _test_request(pool):
                with pytest.raises(MaxRetryError) as cm:
                    pool.request("GET", "/", retries=0)
                assert isinstance(cm.value.reason, SSLError)

            _test_request(https_pool)
            https_pool._get_conn()

            # Uneven length
            https_pool.assert_fingerprint = "AA:A"
            _test_request(https_pool)
            https_pool._get_conn()

            # Invalid length
            https_pool.assert_fingerprint = "AA"
            _test_request(https_pool)

    def test_verify_none_and_bad_fingerprint(self):
        with HTTPSConnectionPool("127.0.0.1",
                                 self.port,
                                 cert_reqs="CERT_NONE",
                                 ca_certs=DEFAULT_CA_BAD) as https_pool:
            https_pool.assert_fingerprint = (
                "AA:AA:AA:AA:AA:AAAA:AA:AAAA:AA:AA:AA:AA:AA:AA:AA:AA:AA:AA")
            with pytest.raises(MaxRetryError) as cm:
                https_pool.request("GET", "/", retries=0)
            assert isinstance(cm.value.reason, SSLError)

    def test_verify_none_and_good_fingerprint(self):
        with HTTPSConnectionPool("127.0.0.1",
                                 self.port,
                                 cert_reqs="CERT_NONE",
                                 ca_certs=DEFAULT_CA_BAD) as https_pool:
            https_pool.assert_fingerprint = (
                "92:81:FE:85:F7:0C:26:60:EC:D6:B3:BF:93:CF:F9:71:CC:07:7D:0A")
            https_pool.request("GET", "/")

    @notSecureTransport
    def test_good_fingerprint_and_hostname_mismatch(self):
        # This test doesn't run with SecureTransport because we don't turn off
        # hostname validation without turning off all validation, which this
        # test doesn't do (deliberately). We should revisit this if we make
        # new decisions.
        with HTTPSConnectionPool("127.0.0.1",
                                 self.port,
                                 cert_reqs="CERT_REQUIRED",
                                 ca_certs=DEFAULT_CA) as https_pool:
            https_pool.assert_fingerprint = (
                "92:81:FE:85:F7:0C:26:60:EC:D6:B3:BF:93:CF:F9:71:CC:07:7D:0A")
            https_pool.request("GET", "/")

    @requires_network
    def test_https_timeout(self):

        timeout = Timeout(total=None, connect=SHORT_TIMEOUT)
        with HTTPSConnectionPool(
                TARPIT_HOST,
                self.port,
                timeout=timeout,
                retries=False,
                cert_reqs="CERT_REQUIRED",
        ) as https_pool:
            with pytest.raises(ConnectTimeoutError):
                https_pool.request("GET", "/")

        timeout = Timeout(read=0.01)
        with HTTPSConnectionPool(
                self.host,
                self.port,
                timeout=timeout,
                retries=False,
                cert_reqs="CERT_REQUIRED",
        ) as https_pool:
            https_pool.assert_fingerprint = (
                "92:81:FE:85:F7:0C:26:60:EC:D6:B3:BF:93:CF:F9:71:CC:07:7D:0A")

        timeout = Timeout(total=None)
        with HTTPSConnectionPool(self.host,
                                 self.port,
                                 timeout=timeout,
                                 cert_reqs="CERT_NONE") as https_pool:
            https_pool.request("GET", "/")

    @requires_network
    def test_enhanced_timeout(self):
        with HTTPSConnectionPool(
                TARPIT_HOST,
                self.port,
                timeout=Timeout(connect=SHORT_TIMEOUT),
                retries=False,
                cert_reqs="CERT_REQUIRED",
        ) as https_pool:
            conn = https_pool._new_conn()
            with pytest.raises(ConnectTimeoutError):
                https_pool.request("GET", "/")
            with pytest.raises(ConnectTimeoutError):
                https_pool._make_request(conn, "GET", "/")

        with HTTPSConnectionPool(
                TARPIT_HOST,
                self.port,
                timeout=Timeout(connect=LONG_TIMEOUT),
                retries=False,
                cert_reqs="CERT_REQUIRED",
        ) as https_pool:
            with pytest.raises(ConnectTimeoutError):
                https_pool.request("GET",
                                   "/",
                                   timeout=Timeout(connect=SHORT_TIMEOUT))

        with HTTPSConnectionPool(
                TARPIT_HOST,
                self.port,
                timeout=Timeout(total=None),
                retries=False,
                cert_reqs="CERT_REQUIRED",
        ) as https_pool:
            conn = https_pool._new_conn()
            try:
                with pytest.raises(ConnectTimeoutError):
                    https_pool.request("GET",
                                       "/",
                                       timeout=Timeout(total=None,
                                                       connect=SHORT_TIMEOUT))
            finally:
                conn.close()

    def test_enhanced_ssl_connection(self):
        fingerprint = "92:81:FE:85:F7:0C:26:60:EC:D6:B3:BF:93:CF:F9:71:CC:07:7D:0A"

        with HTTPSConnectionPool(
                self.host,
                self.port,
                cert_reqs="CERT_REQUIRED",
                ca_certs=DEFAULT_CA,
                assert_fingerprint=fingerprint,
        ) as https_pool:
            r = https_pool.urlopen("GET", "/")
            assert r.status == 200

    @onlyPy279OrNewer
    def test_ssl_correct_system_time(self):
        w = self._request_without_resource_warnings("GET", "/")
        assert [] == w

    @onlyPy279OrNewer
    def test_ssl_wrong_system_time(self):
        with mock.patch("hip.connection.datetime") as mock_date:
            mock_date.date.today.return_value = datetime.date(1970, 1, 1)

            w = self._request_without_resource_warnings("GET", "/")

            assert len(w) == 1
            warning = w[0]

            assert SystemTimeWarning == warning.category
            assert str(RECENT_DATE) in warning.message.args[0]

    def _request_without_resource_warnings(self, method, url):
        with warnings.catch_warnings(record=True) as w:
            warnings.simplefilter("always")
            with HTTPSConnectionPool(self.host,
                                     self.port,
                                     cert_reqs="CERT_REQUIRED",
                                     ca_certs=DEFAULT_CA) as pool:
                pool.request(method, url)

        return [x for x in w if not isinstance(x.message, ResourceWarning)]

    def test_set_ssl_version_to_tls_version(self):
        if self.tls_protocol_name is None:
            pytest.skip("Skipping base test class")

        self._pool.ssl_version = self.certs["ssl_version"]
        r = self._pool.request("GET", "/")
        assert r.status == 200, r.data

    def test_set_cert_default_cert_required(self):
        pool = HTTPSConnectionPool(self.host, self.port, ca_certs=DEFAULT_CA)
        assert pool.ssl_context.verify_mode == ssl.CERT_REQUIRED

    def test_tls_protocol_name_of_socket(self):
        if self.tls_protocol_name is None:
            pytest.skip("Skipping base test class")

        conn = self._pool._get_conn()
        conn.connect(self._pool.ssl_context)

        if not hasattr(conn._sock, "_version"):
            pytest.skip("_version() not available in backend")

        assert conn._sock._version() == self.tls_protocol_name