diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/rest/client/v1/utils.py | 196 | ||||
| -rw-r--r-- | tests/rest/client/v2_alpha/test_auth.py | 40 | ||||
| -rw-r--r-- | tests/server.py | 32 |
3 files changed, 226 insertions, 42 deletions
diff --git a/tests/rest/client/v1/utils.py b/tests/rest/client/v1/utils.py index 81b7f84360..85d1709ead 100644 --- a/tests/rest/client/v1/utils.py +++ b/tests/rest/client/v1/utils.py @@ -2,7 +2,7 @@ # Copyright 2014-2016 OpenMarket Ltd # Copyright 2017 Vector Creations Ltd # Copyright 2018-2019 New Vector Ltd -# Copyright 2019-2020 The Matrix.org Foundation C.I.C. +# Copyright 2019-2021 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. @@ -20,7 +20,8 @@ import json import re import time import urllib.parse -from typing import Any, Dict, Optional +from html.parser import HTMLParser +from typing import Any, Dict, Iterable, List, MutableMapping, Optional, Tuple from mock import patch @@ -32,7 +33,7 @@ from twisted.web.server import Site from synapse.api.constants import Membership from synapse.types import JsonDict -from tests.server import FakeSite, make_request +from tests.server import FakeChannel, FakeSite, make_request from tests.test_utils import FakeResponse @@ -362,34 +363,94 @@ class RestHelper: the normal places. """ client_redirect_url = "https://x" + channel = self.auth_via_oidc(remote_user_id, client_redirect_url) - # first hit the redirect url (which will issue a cookie and state) + # expect a confirmation page + assert channel.code == 200 + + # fish the matrix login token out of the body of the confirmation page + m = re.search( + 'a href="%s.*loginToken=([^"]*)"' % (client_redirect_url,), + channel.text_body, + ) + assert m, channel.text_body + login_token = m.group(1) + + # finally, submit the matrix login token to the login API, which gives us our + # matrix access token and device id. channel = make_request( self.hs.get_reactor(), self.site, - "GET", - "/login/sso/redirect?redirectUrl=" + client_redirect_url, + "POST", + "/login", + content={"type": "m.login.token", "token": login_token}, ) - # that will redirect to the OIDC IdP, but we skip that and go straight + assert channel.code == 200 + return channel.json_body + + def auth_via_oidc( + self, + remote_user_id: str, + client_redirect_url: Optional[str] = None, + ui_auth_session_id: Optional[str] = None, + ) -> FakeChannel: + """Perform an OIDC authentication flow via a mock OIDC provider. + + This can be used for either login or user-interactive auth. + + Starts by making a request to the relevant synapse redirect endpoint, which is + expected to serve a 302 to the OIDC provider. We then make a request to the + OIDC callback endpoint, intercepting the HTTP requests that will get sent back + to the OIDC provider. + + Requires that "oidc_config" in the homeserver config be set appropriately + (TEST_OIDC_CONFIG is a suitable example) - and by implication, needs a + "public_base_url". + + Also requires the login servlet and the OIDC callback resource to be mounted at + the normal places. + + Args: + remote_user_id: the remote id that the OIDC provider should present + client_redirect_url: for a login flow, the client redirect URL to pass to + the login redirect endpoint + ui_auth_session_id: if set, we will perform a UI Auth flow. The session id + of the UI auth. + + Returns: + A FakeChannel containing the result of calling the OIDC callback endpoint. + Note that the response code may be a 200, 302 or 400 depending on how things + went. + """ + + cookies = {} + + # if we're doing a ui auth, hit the ui auth redirect endpoint + if ui_auth_session_id: + # can't set the client redirect url for UI Auth + assert client_redirect_url is None + oauth_uri = self.initiate_sso_ui_auth(ui_auth_session_id, cookies) + else: + # otherwise, hit the login redirect endpoint + oauth_uri = self.initiate_sso_login(client_redirect_url, cookies) + + # we now have a URI for the OIDC IdP, but we skip that and go straight # back to synapse's OIDC callback resource. However, we do need the "state" - # param that synapse passes to the IdP via query params, and the cookie that - # synapse passes to the client. - assert channel.code == 302 - oauth_uri = channel.headers.getRawHeaders("Location")[0] - params = urllib.parse.parse_qs(urllib.parse.urlparse(oauth_uri).query) - redirect_uri = "%s?%s" % ( + # param that synapse passes to the IdP via query params, as well as the cookie + # that synapse passes to the client. + + oauth_uri_path, oauth_uri_qs = oauth_uri.split("?", 1) + assert oauth_uri_path == TEST_OIDC_AUTH_ENDPOINT, ( + "unexpected SSO URI " + oauth_uri_path + ) + params = urllib.parse.parse_qs(oauth_uri_qs) + callback_uri = "%s?%s" % ( urllib.parse.urlparse(params["redirect_uri"][0]).path, urllib.parse.urlencode({"state": params["state"][0], "code": "TEST_CODE"}), ) - cookies = {} - for h in channel.headers.getRawHeaders("Set-Cookie"): - parts = h.split(";") - k, v = parts[0].split("=", maxsplit=1) - cookies[k] = v # before we hit the callback uri, stub out some methods in the http client so # that we don't have to handle full HTTPS requests. - # (expected url, json response) pairs, in the order we expect them. expected_requests = [ # first we get a hit to the token endpoint, which we tell to return @@ -413,34 +474,97 @@ class RestHelper: self.hs.get_reactor(), self.site, "GET", - redirect_uri, + callback_uri, custom_headers=[ ("Cookie", "%s=%s" % (k, v)) for (k, v) in cookies.items() ], ) + return channel - # expect a confirmation page - assert channel.code == 200 + def initiate_sso_login( + self, client_redirect_url: Optional[str], cookies: MutableMapping[str, str] + ) -> str: + """Make a request to the login-via-sso redirect endpoint, and return the target - # fish the matrix login token out of the body of the confirmation page - m = re.search( - 'a href="%s.*loginToken=([^"]*)"' % (client_redirect_url,), - channel.result["body"].decode("utf-8"), - ) - assert m - login_token = m.group(1) + Assumes that exactly one SSO provider has been configured. Requires the login + servlet to be mounted. - # finally, submit the matrix login token to the login API, which gives us our - # matrix access token and device id. + Args: + client_redirect_url: the client redirect URL to pass to the login redirect + endpoint + cookies: any cookies returned will be added to this dict + + Returns: + the URI that the client gets redirected to (ie, the SSO server) + """ + params = {} + if client_redirect_url: + params["redirectUrl"] = client_redirect_url + + # hit the redirect url (which will issue a cookie and state) channel = make_request( self.hs.get_reactor(), self.site, - "POST", - "/login", - content={"type": "m.login.token", "token": login_token}, + "GET", + "/_matrix/client/r0/login/sso/redirect?" + urllib.parse.urlencode(params), ) - assert channel.code == 200 - return channel.json_body + + assert channel.code == 302 + channel.extract_cookies(cookies) + return channel.headers.getRawHeaders("Location")[0] + + def initiate_sso_ui_auth( + self, ui_auth_session_id: str, cookies: MutableMapping[str, str] + ) -> str: + """Make a request to the ui-auth-via-sso endpoint, and return the target + + Assumes that exactly one SSO provider has been configured. Requires the + AuthRestServlet to be mounted. + + Args: + ui_auth_session_id: the session id of the UI auth + cookies: any cookies returned will be added to this dict + + Returns: + the URI that the client gets linked to (ie, the SSO server) + """ + sso_redirect_endpoint = ( + "/_matrix/client/r0/auth/m.login.sso/fallback/web?" + + urllib.parse.urlencode({"session": ui_auth_session_id}) + ) + # hit the redirect url (which will issue a cookie and state) + channel = make_request( + self.hs.get_reactor(), self.site, "GET", sso_redirect_endpoint + ) + # that should serve a confirmation page + assert channel.code == 200, channel.text_body + channel.extract_cookies(cookies) + + # parse the confirmation page to fish out the link. + class ConfirmationPageParser(HTMLParser): + def __init__(self): + super().__init__() + + self.links = [] # type: List[str] + + def handle_starttag( + self, tag: str, attrs: Iterable[Tuple[str, Optional[str]]] + ) -> None: + attr_dict = dict(attrs) + if tag == "a": + href = attr_dict["href"] + if href: + self.links.append(href) + + def error(_, message): + raise AssertionError(message) + + p = ConfirmationPageParser() + p.feed(channel.text_body) + p.close() + assert len(p.links) == 1, "not exactly one link in confirmation page" + oauth_uri = p.links[0] + return oauth_uri # an 'oidc_config' suitable for login_via_oidc. diff --git a/tests/rest/client/v2_alpha/test_auth.py b/tests/rest/client/v2_alpha/test_auth.py index bb91e0c331..5f6ca23b06 100644 --- a/tests/rest/client/v2_alpha/test_auth.py +++ b/tests/rest/client/v2_alpha/test_auth.py @@ -1,5 +1,6 @@ # -*- coding: utf-8 -*- # Copyright 2018 New Vector +# Copyright 2020-2021 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. @@ -12,7 +13,6 @@ # 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 typing import Union from twisted.internet.defer import succeed @@ -386,6 +386,44 @@ class UIAuthTests(unittest.HomeserverTestCase): @skip_unless(HAS_OIDC, "requires OIDC") @override_config({"oidc_config": TEST_OIDC_CONFIG}) + def test_ui_auth_via_sso(self): + """Test a successful UI Auth flow via SSO + + This includes: + * hitting the UIA SSO redirect endpoint + * checking it serves a confirmation page which links to the OIDC provider + * calling back to the synapse oidc callback + * checking that the original operation succeeds + """ + + # log the user in + remote_user_id = UserID.from_string(self.user).localpart + login_resp = self.helper.login_via_oidc(remote_user_id) + self.assertEqual(login_resp["user_id"], self.user) + + # initiate a UI Auth process by attempting to delete the device + channel = self.delete_device(self.user_tok, self.device_id, 401) + + # check that SSO is offered + flows = channel.json_body["flows"] + self.assertIn({"stages": ["m.login.sso"]}, flows) + + # run the UIA-via-SSO flow + session_id = channel.json_body["session"] + channel = self.helper.auth_via_oidc( + remote_user_id=remote_user_id, ui_auth_session_id=session_id + ) + + # that should serve a confirmation page + self.assertEqual(channel.code, 200, channel.result) + + # and now the delete request should succeed. + self.delete_device( + self.user_tok, self.device_id, 200, body={"auth": {"session": session_id}}, + ) + + @skip_unless(HAS_OIDC, "requires OIDC") + @override_config({"oidc_config": TEST_OIDC_CONFIG}) def test_does_not_offer_password_for_sso_user(self): login_resp = self.helper.login_via_oidc("username") user_tok = login_resp["access_token"] diff --git a/tests/server.py b/tests/server.py index 7d1ad362c4..5a1b66270f 100644 --- a/tests/server.py +++ b/tests/server.py @@ -2,7 +2,7 @@ import json import logging from collections import deque from io import SEEK_END, BytesIO -from typing import Callable, Iterable, Optional, Tuple, Union +from typing import Callable, Iterable, MutableMapping, Optional, Tuple, Union import attr from typing_extensions import Deque @@ -51,9 +51,21 @@ class FakeChannel: @property def json_body(self): - if not self.result: - raise Exception("No result yet.") - return json.loads(self.result["body"].decode("utf8")) + return json.loads(self.text_body) + + @property + def text_body(self) -> str: + """The body of the result, utf-8-decoded. + + Raises an exception if the request has not yet completed. + """ + if not self.is_finished: + raise Exception("Request not yet completed") + return self.result["body"].decode("utf8") + + def is_finished(self) -> bool: + """check if the response has been completely received""" + return self.result.get("done", False) @property def code(self): @@ -124,7 +136,7 @@ class FakeChannel: self._reactor.run() x = 0 - while not self.result.get("done"): + while not self.is_finished(): # If there's a producer, tell it to resume producing so we get content if self._producer: self._producer.resumeProducing() @@ -136,6 +148,16 @@ class FakeChannel: self._reactor.advance(0.1) + def extract_cookies(self, cookies: MutableMapping[str, str]) -> None: + """Process the contents of any Set-Cookie headers in the response + + Any cookines found are added to the given dict + """ + for h in self.headers.getRawHeaders("Set-Cookie"): + parts = h.split(";") + k, v = parts[0].split("=", maxsplit=1) + cookies[k] = v + class FakeSite: """ |