diff options
| -rw-r--r-- | changelog.d/13810.feature | 1 | ||||
| -rw-r--r-- | docs/admin_api/user_admin_api.md | 38 | ||||
| -rw-r--r-- | synapse/rest/admin/__init__.py | 2 | ||||
| -rw-r--r-- | synapse/rest/admin/users.py | 27 | ||||
| -rw-r--r-- | tests/rest/admin/test_user.py | 87 |
5 files changed, 155 insertions, 0 deletions
diff --git a/changelog.d/13810.feature b/changelog.d/13810.feature new file mode 100644 index 0000000000..f0258af661 --- /dev/null +++ b/changelog.d/13810.feature @@ -0,0 +1 @@ +Add an admin API endpoint to find a user based on its external ID in an auth provider. diff --git a/docs/admin_api/user_admin_api.md b/docs/admin_api/user_admin_api.md index 975f05c929..3625c7b6c5 100644 --- a/docs/admin_api/user_admin_api.md +++ b/docs/admin_api/user_admin_api.md @@ -1155,3 +1155,41 @@ GET /_synapse/admin/v1/username_available?username=$localpart The request and response format is the same as the [/_matrix/client/r0/register/available](https://matrix.org/docs/spec/client_server/r0.6.0#get-matrix-client-r0-register-available) API. + +### Find a user based on their ID in an auth provider + +The API is: + +``` +GET /_synapse/admin/v1/auth_providers/$provider/users/$external_id +``` + +When a user matched the given ID for the given provider, an HTTP code `200` with a response body like the following is returned: + +```json +{ + "user_id": "@hello:example.org" +} +``` + +**Parameters** + +The following parameters should be set in the URL: + +- `provider` - The ID of the authentication provider, as advertised by the [`GET /_matrix/client/v3/login`](https://spec.matrix.org/latest/client-server-api/#post_matrixclientv3login) API in the `m.login.sso` authentication method. +- `external_id` - The user ID from the authentication provider. Usually corresponds to the `sub` claim for OIDC providers, or to the `uid` attestation for SAML2 providers. + +The `external_id` may have characters that are not URL-safe (typically `/`, `:` or `@`), so it is advised to URL-encode those parameters. + +**Errors** + +Returns a `404` HTTP status code if no user was found, with a response body like this: + +```json +{ + "errcode":"M_NOT_FOUND", + "error":"User not found" +} +``` + +_Added in Synapse 1.68.0._ diff --git a/synapse/rest/admin/__init__.py b/synapse/rest/admin/__init__.py index bac754e1b1..885669f9c7 100644 --- a/synapse/rest/admin/__init__.py +++ b/synapse/rest/admin/__init__.py @@ -80,6 +80,7 @@ from synapse.rest.admin.users import ( SearchUsersRestServlet, ShadowBanRestServlet, UserAdminServlet, + UserByExternalId, UserMembershipRestServlet, UserRegisterServlet, UserRestServletV2, @@ -275,6 +276,7 @@ def register_servlets(hs: "HomeServer", http_server: HttpServer) -> None: ListDestinationsRestServlet(hs).register(http_server) RoomMessagesRestServlet(hs).register(http_server) RoomTimestampToEventRestServlet(hs).register(http_server) + UserByExternalId(hs).register(http_server) # Some servlets only get registered for the main process. if hs.config.worker.worker_app is None: diff --git a/synapse/rest/admin/users.py b/synapse/rest/admin/users.py index 78ee9b6532..2ca6b2d08a 100644 --- a/synapse/rest/admin/users.py +++ b/synapse/rest/admin/users.py @@ -1156,3 +1156,30 @@ class AccountDataRestServlet(RestServlet): "rooms": by_room_data, }, } + + +class UserByExternalId(RestServlet): + """Find a user based on an external ID from an auth provider""" + + PATTERNS = admin_patterns( + "/auth_providers/(?P<provider>[^/]*)/users/(?P<external_id>[^/]*)" + ) + + def __init__(self, hs: "HomeServer"): + self._auth = hs.get_auth() + self._store = hs.get_datastores().main + + async def on_GET( + self, + request: SynapseRequest, + provider: str, + external_id: str, + ) -> Tuple[int, JsonDict]: + await assert_requester_is_admin(self._auth, request) + + user_id = await self._store.get_user_by_external_id(provider, external_id) + + if user_id is None: + raise NotFoundError("User not found") + + return HTTPStatus.OK, {"user_id": user_id} diff --git a/tests/rest/admin/test_user.py b/tests/rest/admin/test_user.py index ec5ccf6fca..9f536ceeb3 100644 --- a/tests/rest/admin/test_user.py +++ b/tests/rest/admin/test_user.py @@ -4140,3 +4140,90 @@ class AccountDataTestCase(unittest.HomeserverTestCase): {"b": 2}, channel.json_body["account_data"]["rooms"]["test_room"]["m.per_room"], ) + + +class UsersByExternalIdTestCase(unittest.HomeserverTestCase): + + servlets = [ + synapse.rest.admin.register_servlets, + login.register_servlets, + ] + + def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None: + self.store = hs.get_datastores().main + + self.admin_user = self.register_user("admin", "pass", admin=True) + self.admin_user_tok = self.login("admin", "pass") + + self.other_user = self.register_user("user", "pass") + self.get_success( + self.store.record_user_external_id( + "the-auth-provider", "the-external-id", self.other_user + ) + ) + self.get_success( + self.store.record_user_external_id( + "another-auth-provider", "a:complex@external/id", self.other_user + ) + ) + + def test_no_auth(self) -> None: + """Try to lookup a user without authentication.""" + url = ( + "/_synapse/admin/v1/auth_providers/the-auth-provider/users/the-external-id" + ) + + channel = self.make_request( + "GET", + url, + ) + + self.assertEqual(401, channel.code, msg=channel.json_body) + self.assertEqual(Codes.MISSING_TOKEN, channel.json_body["errcode"]) + + def test_binding_does_not_exist(self) -> None: + """Tests that a lookup for an external ID that does not exist returns a 404""" + url = "/_synapse/admin/v1/auth_providers/the-auth-provider/users/unknown-id" + + channel = self.make_request( + "GET", + url, + access_token=self.admin_user_tok, + ) + + self.assertEqual(404, channel.code, msg=channel.json_body) + self.assertEqual(Codes.NOT_FOUND, channel.json_body["errcode"]) + + def test_success(self) -> None: + """Tests a successful external ID lookup""" + url = ( + "/_synapse/admin/v1/auth_providers/the-auth-provider/users/the-external-id" + ) + + channel = self.make_request( + "GET", + url, + access_token=self.admin_user_tok, + ) + + self.assertEqual(200, channel.code, msg=channel.json_body) + self.assertEqual( + {"user_id": self.other_user}, + channel.json_body, + ) + + def test_success_urlencoded(self) -> None: + """Tests a successful external ID lookup with an url-encoded ID""" + url = "/_synapse/admin/v1/auth_providers/another-auth-provider/users/a%3Acomplex%40external%2Fid" + + channel = self.make_request( + "GET", + url, + access_token=self.admin_user_tok, + ) + + self.assertEqual(200, channel.code, msg=channel.json_body) + self.assertEqual( + {"user_id": self.other_user}, + channel.json_body, + ) |