diff options
Diffstat (limited to 'tests/rest/client/utils.py')
| -rw-r--r-- | tests/rest/client/utils.py | 136 |
1 files changed, 71 insertions, 65 deletions
diff --git a/tests/rest/client/utils.py b/tests/rest/client/utils.py index c249a42bb6..967d229223 100644 --- a/tests/rest/client/utils.py +++ b/tests/rest/client/utils.py @@ -31,7 +31,6 @@ from typing import ( Tuple, overload, ) -from unittest.mock import patch from urllib.parse import urlencode import attr @@ -46,8 +45,19 @@ from synapse.server import HomeServer from synapse.types import JsonDict from tests.server import FakeChannel, FakeSite, make_request -from tests.test_utils import FakeResponse from tests.test_utils.html_parsers import TestHtmlParser +from tests.test_utils.oidc import FakeAuthorizationGrant, FakeOidcServer + +# an 'oidc_config' suitable for login_via_oidc. +TEST_OIDC_ISSUER = "https://issuer.test/" +TEST_OIDC_CONFIG = { + "enabled": True, + "issuer": TEST_OIDC_ISSUER, + "client_id": "test-client-id", + "client_secret": "test-client-secret", + "scopes": ["openid"], + "user_mapping_provider": {"config": {"localpart_template": "{{ user.sub }}"}}, +} @attr.s(auto_attribs=True) @@ -543,12 +553,28 @@ class RestHelper: return channel.json_body + def fake_oidc_server(self, issuer: str = TEST_OIDC_ISSUER) -> FakeOidcServer: + """Create a ``FakeOidcServer``. + + This can be used in conjuction with ``login_via_oidc``:: + + fake_oidc_server = self.helper.fake_oidc_server() + login_data, _ = self.helper.login_via_oidc(fake_oidc_server, "user") + """ + + return FakeOidcServer( + clock=self.hs.get_clock(), + issuer=issuer, + ) + def login_via_oidc( self, + fake_server: FakeOidcServer, remote_user_id: str, + with_sid: bool = False, expected_status: int = 200, - ) -> JsonDict: - """Log in via OIDC + ) -> Tuple[JsonDict, FakeAuthorizationGrant]: + """Log in (as a new user) via OIDC Returns the result of the final token login. @@ -560,7 +586,10 @@ class RestHelper: the normal places. """ client_redirect_url = "https://x" - channel = self.auth_via_oidc({"sub": remote_user_id}, client_redirect_url) + userinfo = {"sub": remote_user_id} + channel, grant = self.auth_via_oidc( + fake_server, userinfo, client_redirect_url, with_sid=with_sid + ) # expect a confirmation page assert channel.code == HTTPStatus.OK, channel.result @@ -585,14 +614,16 @@ class RestHelper: assert ( channel.code == expected_status ), f"unexpected status in response: {channel.code}" - return channel.json_body + return channel.json_body, grant def auth_via_oidc( self, + fake_server: FakeOidcServer, user_info_dict: JsonDict, client_redirect_url: Optional[str] = None, ui_auth_session_id: Optional[str] = None, - ) -> FakeChannel: + with_sid: bool = False, + ) -> Tuple[FakeChannel, FakeAuthorizationGrant]: """Perform an OIDC authentication flow via a mock OIDC provider. This can be used for either login or user-interactive auth. @@ -616,6 +647,7 @@ class RestHelper: the login redirect endpoint ui_auth_session_id: if set, we will perform a UI Auth flow. The session id of the UI auth. + with_sid: if True, generates a random `sid` (OIDC session ID) Returns: A FakeChannel containing the result of calling the OIDC callback endpoint. @@ -625,14 +657,15 @@ class RestHelper: cookies: Dict[str, str] = {} - # 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) + with fake_server.patch_homeserver(hs=self.hs): + # 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" @@ -640,17 +673,21 @@ class RestHelper: # that synapse passes to the client. oauth_uri_path, _ = oauth_uri.split("?", 1) - assert oauth_uri_path == TEST_OIDC_AUTH_ENDPOINT, ( + assert oauth_uri_path == fake_server.authorization_endpoint, ( "unexpected SSO URI " + oauth_uri_path ) - return self.complete_oidc_auth(oauth_uri, cookies, user_info_dict) + return self.complete_oidc_auth( + fake_server, oauth_uri, cookies, user_info_dict, with_sid=with_sid + ) def complete_oidc_auth( self, + fake_serer: FakeOidcServer, oauth_uri: str, cookies: Mapping[str, str], user_info_dict: JsonDict, - ) -> FakeChannel: + with_sid: bool = False, + ) -> Tuple[FakeChannel, FakeAuthorizationGrant]: """Mock out an OIDC authentication flow Assumes that an OIDC auth has been initiated by one of initiate_sso_login or @@ -661,50 +698,37 @@ class RestHelper: Requires the OIDC callback resource to be mounted at the normal place. Args: + fake_server: the fake OIDC server with which the auth should be done oauth_uri: the OIDC URI returned by synapse's redirect endpoint (ie, from initiate_sso_login or initiate_sso_ui_auth). cookies: the cookies set by synapse's redirect endpoint, which will be sent back to the callback endpoint. user_info_dict: the remote userinfo that the OIDC provider should present. Typically this should be '{"sub": "<remote user id>"}'. + with_sid: if True, generates a random `sid` (OIDC session ID) Returns: A FakeChannel containing the result of calling the OIDC callback endpoint. """ _, oauth_uri_qs = oauth_uri.split("?", 1) params = urllib.parse.parse_qs(oauth_uri_qs) + + code, grant = fake_serer.start_authorization( + scope=params["scope"][0], + userinfo=user_info_dict, + client_id=params["client_id"][0], + redirect_uri=params["redirect_uri"][0], + nonce=params["nonce"][0], + with_sid=with_sid, + ) + state = params["state"][0] + callback_uri = "%s?%s" % ( urllib.parse.urlparse(params["redirect_uri"][0]).path, - urllib.parse.urlencode({"state": params["state"][0], "code": "TEST_CODE"}), + urllib.parse.urlencode({"state": state, "code": code}), ) - # 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 - # a dummy OIDC access token - (TEST_OIDC_TOKEN_ENDPOINT, {"access_token": "TEST"}), - # and then one to the user_info endpoint, which returns our remote user id. - (TEST_OIDC_USERINFO_ENDPOINT, user_info_dict), - ] - - async def mock_req( - method: str, - uri: str, - data: Optional[dict] = None, - headers: Optional[Iterable[Tuple[AnyStr, AnyStr]]] = None, - ): - (expected_uri, resp_obj) = expected_requests.pop(0) - assert uri == expected_uri - resp = FakeResponse( - code=HTTPStatus.OK, - phrase=b"OK", - body=json.dumps(resp_obj).encode("utf-8"), - ) - return resp - - with patch.object(self.hs.get_proxied_http_client(), "request", mock_req): + with fake_serer.patch_homeserver(hs=self.hs): # now hit the callback URI with the right params and a made-up code channel = make_request( self.hs.get_reactor(), @@ -715,7 +739,7 @@ class RestHelper: ("Cookie", "%s=%s" % (k, v)) for (k, v) in cookies.items() ], ) - return channel + return channel, grant def initiate_sso_login( self, client_redirect_url: Optional[str], cookies: MutableMapping[str, str] @@ -806,21 +830,3 @@ class RestHelper: 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. -TEST_OIDC_AUTH_ENDPOINT = "https://issuer.test/auth" -TEST_OIDC_TOKEN_ENDPOINT = "https://issuer.test/token" -TEST_OIDC_USERINFO_ENDPOINT = "https://issuer.test/userinfo" -TEST_OIDC_CONFIG = { - "enabled": True, - "discover": False, - "issuer": "https://issuer.test", - "client_id": "test-client-id", - "client_secret": "test-client-secret", - "scopes": ["profile"], - "authorization_endpoint": TEST_OIDC_AUTH_ENDPOINT, - "token_endpoint": TEST_OIDC_TOKEN_ENDPOINT, - "userinfo_endpoint": TEST_OIDC_USERINFO_ENDPOINT, - "user_mapping_provider": {"config": {"localpart_template": "{{ user.sub }}"}}, -} |