diff options
| -rw-r--r-- | changelog.d/11445.feature | 1 | ||||
| -rw-r--r-- | synapse/config/registration.py | 49 | ||||
| -rw-r--r-- | synapse/handlers/register.py | 20 | ||||
| -rw-r--r-- | tests/config/test_registration_config.py | 78 | ||||
| -rw-r--r-- | tests/rest/client/test_auth.py | 76 |
5 files changed, 221 insertions, 3 deletions
diff --git a/changelog.d/11445.feature b/changelog.d/11445.feature new file mode 100644 index 0000000000..211a722b65 --- /dev/null +++ b/changelog.d/11445.feature @@ -0,0 +1 @@ +Support configuring the lifetime of non-refreshable access tokens separately to refreshable access tokens. \ No newline at end of file diff --git a/synapse/config/registration.py b/synapse/config/registration.py index 47853199f4..68a4985398 100644 --- a/synapse/config/registration.py +++ b/synapse/config/registration.py @@ -130,11 +130,60 @@ class RegistrationConfig(Config): int ] = refreshable_access_token_lifetime + if ( + self.session_lifetime is not None + and "refreshable_access_token_lifetime" in config + ): + if self.session_lifetime < self.refreshable_access_token_lifetime: + raise ConfigError( + "Both `session_lifetime` and `refreshable_access_token_lifetime` " + "configuration options have been set, but `refreshable_access_token_lifetime` " + " exceeds `session_lifetime`!" + ) + + # The `nonrefreshable_access_token_lifetime` applies for tokens that can NOT be + # refreshed using a refresh token. + # If it is None, then these tokens last for the entire length of the session, + # which is infinite by default. + # The intention behind this configuration option is to help with requiring + # all clients to use refresh tokens, if the homeserver administrator requires. + nonrefreshable_access_token_lifetime = config.get( + "nonrefreshable_access_token_lifetime", + None, + ) + if nonrefreshable_access_token_lifetime is not None: + nonrefreshable_access_token_lifetime = self.parse_duration( + nonrefreshable_access_token_lifetime + ) + self.nonrefreshable_access_token_lifetime = nonrefreshable_access_token_lifetime + + if ( + self.session_lifetime is not None + and self.nonrefreshable_access_token_lifetime is not None + ): + if self.session_lifetime < self.nonrefreshable_access_token_lifetime: + raise ConfigError( + "Both `session_lifetime` and `nonrefreshable_access_token_lifetime` " + "configuration options have been set, but `nonrefreshable_access_token_lifetime` " + " exceeds `session_lifetime`!" + ) + refresh_token_lifetime = config.get("refresh_token_lifetime") if refresh_token_lifetime is not None: refresh_token_lifetime = self.parse_duration(refresh_token_lifetime) self.refresh_token_lifetime: Optional[int] = refresh_token_lifetime + if ( + self.session_lifetime is not None + and self.refresh_token_lifetime is not None + ): + if self.session_lifetime < self.refresh_token_lifetime: + raise ConfigError( + "Both `session_lifetime` and `refresh_token_lifetime` " + "configuration options have been set, but `refresh_token_lifetime` " + " exceeds `session_lifetime`!" + ) + # The fallback template used for authenticating using a registration token self.registration_token_template = self.read_template("registration_token.html") diff --git a/synapse/handlers/register.py b/synapse/handlers/register.py index 24ca11b924..b14ddd8267 100644 --- a/synapse/handlers/register.py +++ b/synapse/handlers/register.py @@ -1,4 +1,5 @@ # Copyright 2014 - 2016 OpenMarket Ltd +# Copyright 2021 The Matrix.org Foundation C.I.C. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. @@ -116,6 +117,9 @@ class RegistrationHandler: self.pusher_pool = hs.get_pusherpool() self.session_lifetime = hs.config.registration.session_lifetime + self.nonrefreshable_access_token_lifetime = ( + hs.config.registration.nonrefreshable_access_token_lifetime + ) self.refreshable_access_token_lifetime = ( hs.config.registration.refreshable_access_token_lifetime ) @@ -794,13 +798,25 @@ class RegistrationHandler: class and RegisterDeviceReplicationServlet. """ assert not self.hs.config.worker.worker_app + now_ms = self.clock.time_msec() access_token_expiry = None if self.session_lifetime is not None: if is_guest: raise Exception( "session_lifetime is not currently implemented for guest access" ) - access_token_expiry = self.clock.time_msec() + self.session_lifetime + access_token_expiry = now_ms + self.session_lifetime + + if self.nonrefreshable_access_token_lifetime is not None: + if access_token_expiry is not None: + # Don't allow the non-refreshable access token to outlive the + # session. + access_token_expiry = min( + now_ms + self.nonrefreshable_access_token_lifetime, + access_token_expiry, + ) + else: + access_token_expiry = now_ms + self.nonrefreshable_access_token_lifetime refresh_token = None refresh_token_id = None @@ -818,8 +834,6 @@ class RegistrationHandler: # that this value is set before setting this flag). assert self.refreshable_access_token_lifetime is not None - now_ms = self.clock.time_msec() - # Set the expiry time of the refreshable access token access_token_expiry = now_ms + self.refreshable_access_token_lifetime diff --git a/tests/config/test_registration_config.py b/tests/config/test_registration_config.py new file mode 100644 index 0000000000..17a84d20d8 --- /dev/null +++ b/tests/config/test_registration_config.py @@ -0,0 +1,78 @@ +# Copyright 2021 The Matrix.org Foundation C.I.C. +# +# 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. +from synapse.config import ConfigError +from synapse.config.homeserver import HomeServerConfig + +from tests.unittest import TestCase +from tests.utils import default_config + + +class RegistrationConfigTestCase(TestCase): + def test_session_lifetime_must_not_be_exceeded_by_smaller_lifetimes(self): + """ + session_lifetime should logically be larger than, or at least as large as, + all the different token lifetimes. + Test that the user is faced with configuration errors if they make it + smaller, as that configuration doesn't make sense. + """ + config_dict = default_config("test") + + # First test all the error conditions + with self.assertRaises(ConfigError): + HomeServerConfig().parse_config_dict( + { + "session_lifetime": "30m", + "nonrefreshable_access_token_lifetime": "31m", + **config_dict, + } + ) + + with self.assertRaises(ConfigError): + HomeServerConfig().parse_config_dict( + { + "session_lifetime": "30m", + "refreshable_access_token_lifetime": "31m", + **config_dict, + } + ) + + with self.assertRaises(ConfigError): + HomeServerConfig().parse_config_dict( + { + "session_lifetime": "30m", + "refresh_token_lifetime": "31m", + **config_dict, + } + ) + + # Then test all the fine conditions + HomeServerConfig().parse_config_dict( + { + "session_lifetime": "31m", + "nonrefreshable_access_token_lifetime": "31m", + **config_dict, + } + ) + + HomeServerConfig().parse_config_dict( + { + "session_lifetime": "31m", + "refreshable_access_token_lifetime": "31m", + **config_dict, + } + ) + + HomeServerConfig().parse_config_dict( + {"session_lifetime": "31m", "refresh_token_lifetime": "31m", **config_dict} + ) diff --git a/tests/rest/client/test_auth.py b/tests/rest/client/test_auth.py index d8a94f4c12..7239e1a1b5 100644 --- a/tests/rest/client/test_auth.py +++ b/tests/rest/client/test_auth.py @@ -524,6 +524,19 @@ class RefreshAuthTests(unittest.HomeserverTestCase): {"refresh_token": refresh_token}, ) + def is_access_token_valid(self, access_token) -> bool: + """ + Checks whether an access token is valid, returning whether it is or not. + """ + code = self.make_request( + "GET", "/_matrix/client/v3/account/whoami", access_token=access_token + ).code + + # Either 200 or 401 is what we get back; anything else is a bug. + assert code in {HTTPStatus.OK, HTTPStatus.UNAUTHORIZED} + + return code == HTTPStatus.OK + def test_login_issue_refresh_token(self): """ A login response should include a refresh_token only if asked. @@ -672,6 +685,69 @@ class RefreshAuthTests(unittest.HomeserverTestCase): ) @override_config( + { + "refreshable_access_token_lifetime": "1m", + "nonrefreshable_access_token_lifetime": "10m", + } + ) + def test_different_expiry_for_refreshable_and_nonrefreshable_access_tokens(self): + """ + Tests that the expiry times for refreshable and non-refreshable access + tokens can be different. + """ + body = { + "type": "m.login.password", + "user": "test", + "password": self.user_pass, + } + login_response1 = self.make_request( + "POST", + "/_matrix/client/r0/login", + {"org.matrix.msc2918.refresh_token": True, **body}, + ) + self.assertEqual(login_response1.code, 200, login_response1.result) + self.assertApproximates( + login_response1.json_body["expires_in_ms"], 60 * 1000, 100 + ) + refreshable_access_token = login_response1.json_body["access_token"] + + login_response2 = self.make_request( + "POST", + "/_matrix/client/r0/login", + body, + ) + self.assertEqual(login_response2.code, 200, login_response2.result) + nonrefreshable_access_token = login_response2.json_body["access_token"] + + # Advance 59 seconds in the future (just shy of 1 minute, the time of expiry) + self.reactor.advance(59.0) + + # Both tokens should still be valid. + self.assertTrue(self.is_access_token_valid(refreshable_access_token)) + self.assertTrue(self.is_access_token_valid(nonrefreshable_access_token)) + + # Advance to 61 s (just past 1 minute, the time of expiry) + self.reactor.advance(2.0) + + # Only the non-refreshable token is still valid. + self.assertFalse(self.is_access_token_valid(refreshable_access_token)) + self.assertTrue(self.is_access_token_valid(nonrefreshable_access_token)) + + # Advance to 599 s (just shy of 10 minutes, the time of expiry) + self.reactor.advance(599.0 - 61.0) + + # It's still the case that only the non-refreshable token is still valid. + self.assertFalse(self.is_access_token_valid(refreshable_access_token)) + self.assertTrue(self.is_access_token_valid(nonrefreshable_access_token)) + + # Advance to 601 s (just past 10 minutes, the time of expiry) + self.reactor.advance(2.0) + + # Now neither token is valid. + self.assertFalse(self.is_access_token_valid(refreshable_access_token)) + self.assertFalse(self.is_access_token_valid(nonrefreshable_access_token)) + + @override_config( {"refreshable_access_token_lifetime": "1m", "refresh_token_lifetime": "2m"} ) def test_refresh_token_expiry(self): |