From 1d8b80b3346b31a297668e093fb813d9ce7a1b48 Mon Sep 17 00:00:00 2001 From: reivilibre Date: Fri, 26 Nov 2021 14:27:14 +0000 Subject: Support expiry of refresh tokens and expiry of the overall session when refresh tokens are in use. (#11425) --- tests/rest/client/test_auth.py | 125 ++++++++++++++++++++++++++++++++++++++++- 1 file changed, 124 insertions(+), 1 deletion(-) (limited to 'tests/rest') diff --git a/tests/rest/client/test_auth.py b/tests/rest/client/test_auth.py index 8552671431..8045b7f76a 100644 --- a/tests/rest/client/test_auth.py +++ b/tests/rest/client/test_auth.py @@ -12,6 +12,7 @@ # 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 http import HTTPStatus from typing import Optional, Union from twisted.internet.defer import succeed @@ -513,6 +514,16 @@ class RefreshAuthTests(unittest.HomeserverTestCase): self.user_pass = "pass" self.user = self.register_user("test", self.user_pass) + def use_refresh_token(self, refresh_token: str) -> FakeChannel: + """ + Helper that makes a request to use a refresh token. + """ + return self.make_request( + "POST", + "/_matrix/client/unstable/org.matrix.msc2918.refresh_token/refresh", + {"refresh_token": refresh_token}, + ) + def test_login_issue_refresh_token(self): """ A login response should include a refresh_token only if asked. @@ -599,7 +610,7 @@ class RefreshAuthTests(unittest.HomeserverTestCase): ) @override_config({"refreshable_access_token_lifetime": "1m"}) - def test_refresh_token_expiration(self): + def test_refreshable_access_token_expiration(self): """ The access token should have some time as specified in the config. """ @@ -623,6 +634,118 @@ class RefreshAuthTests(unittest.HomeserverTestCase): self.assertApproximates( refresh_response.json_body["expires_in_ms"], 60 * 1000, 100 ) + access_token = refresh_response.json_body["access_token"] + + # Advance 59 seconds in the future (just shy of 1 minute, the time of expiry) + self.reactor.advance(59.0) + # Check that our token is valid + self.assertEqual( + self.make_request( + "GET", "/_matrix/client/v3/account/whoami", access_token=access_token + ).code, + HTTPStatus.OK, + ) + + # Advance 2 more seconds (just past the time of expiry) + self.reactor.advance(2.0) + # Check that our token is invalid + self.assertEqual( + self.make_request( + "GET", "/_matrix/client/v3/account/whoami", access_token=access_token + ).code, + HTTPStatus.UNAUTHORIZED, + ) + + @override_config( + {"refreshable_access_token_lifetime": "1m", "refresh_token_lifetime": "2m"} + ) + def test_refresh_token_expiry(self): + """ + The refresh token can be configured to have a limited lifetime. + When that lifetime has ended, the refresh token can no longer be used to + refresh the session. + """ + + body = {"type": "m.login.password", "user": "test", "password": self.user_pass} + login_response = self.make_request( + "POST", + "/_matrix/client/r0/login?org.matrix.msc2918.refresh_token=true", + body, + ) + self.assertEqual(login_response.code, HTTPStatus.OK, login_response.result) + refresh_token1 = login_response.json_body["refresh_token"] + + # Advance 119 seconds in the future (just shy of 2 minutes) + self.reactor.advance(119.0) + + # Refresh our session. The refresh token should still JUST be valid right now. + # By doing so, we get a new access token and a new refresh token. + refresh_response = self.use_refresh_token(refresh_token1) + self.assertEqual(refresh_response.code, HTTPStatus.OK, refresh_response.result) + self.assertIn( + "refresh_token", + refresh_response.json_body, + "No new refresh token returned after refresh.", + ) + refresh_token2 = refresh_response.json_body["refresh_token"] + + # Advance 121 seconds in the future (just a bit more than 2 minutes) + self.reactor.advance(121.0) + + # Try to refresh our session, but instead notice that the refresh token is + # not valid (it just expired). + refresh_response = self.use_refresh_token(refresh_token2) + self.assertEqual( + refresh_response.code, HTTPStatus.FORBIDDEN, refresh_response.result + ) + + @override_config( + { + "refreshable_access_token_lifetime": "2m", + "refresh_token_lifetime": "2m", + "session_lifetime": "3m", + } + ) + def test_ultimate_session_expiry(self): + """ + The session can be configured to have an ultimate, limited lifetime. + """ + + body = {"type": "m.login.password", "user": "test", "password": self.user_pass} + login_response = self.make_request( + "POST", + "/_matrix/client/r0/login?org.matrix.msc2918.refresh_token=true", + body, + ) + self.assertEqual(login_response.code, 200, login_response.result) + refresh_token = login_response.json_body["refresh_token"] + + # Advance shy of 2 minutes into the future + self.reactor.advance(119.0) + + # Refresh our session. The refresh token should still be valid right now. + refresh_response = self.use_refresh_token(refresh_token) + self.assertEqual(refresh_response.code, 200, refresh_response.result) + self.assertIn( + "refresh_token", + refresh_response.json_body, + "No new refresh token returned after refresh.", + ) + # Notice that our access token lifetime has been diminished to match the + # session lifetime. + # 3 minutes - 119 seconds = 61 seconds. + self.assertEqual(refresh_response.json_body["expires_in_ms"], 61_000) + refresh_token = refresh_response.json_body["refresh_token"] + + # Advance 61 seconds into the future. Our session should have expired + # now, because we've had our 3 minutes. + self.reactor.advance(61.0) + + # Try to issue a new, refreshed, access token. + # This should fail because the refresh token's lifetime has also been + # diminished as our session expired. + refresh_response = self.use_refresh_token(refresh_token) + self.assertEqual(refresh_response.code, 403, refresh_response.result) def test_refresh_token_invalidation(self): """Refresh tokens are invalidated after first use of the next token. -- cgit 1.4.1