diff --git a/changelog.d/4472.feature b/changelog.d/4472.feature new file mode 100644 index 0000000000..3413c33d48 --- /dev/null +++ b/changelog.d/4472.feature @@ -0,0 +1 @@ +Support exposing server capabilities in CS API (MSC1753, MSC1804) diff --git a/synapse/api/constants.py b/synapse/api/constants.py index ba519005ca..0cbae9429b 100644 --- a/synapse/api/constants.py +++ b/synapse/api/constants.py @@ -108,6 +108,11 @@ class RoomVersions(object): STATE_V2_TEST = "state-v2-test" +class RoomDisposition(object): + STABLE = "stable", + UNSTABLE = "unstable" + + # the version we will give rooms which are created on this server DEFAULT_ROOM_VERSION = RoomVersions.V1 @@ -118,6 +123,7 @@ KNOWN_ROOM_VERSIONS = { RoomVersions.V2, RoomVersions.V3, RoomVersions.STATE_V2_TEST, + RoomVersions.V3, } diff --git a/synapse/rest/__init__.py b/synapse/rest/__init__.py index 66585c991f..91f5247d52 100644 --- a/synapse/rest/__init__.py +++ b/synapse/rest/__init__.py @@ -34,6 +34,7 @@ from synapse.rest.client.v2_alpha import ( account, account_data, auth, + capabilities, devices, filter, groups, @@ -107,3 +108,4 @@ class ClientRestResource(JsonResource): user_directory.register_servlets(hs, client_resource) groups.register_servlets(hs, client_resource) room_upgrade_rest_servlet.register_servlets(hs, client_resource) + capabilities.register_servlets(hs, client_resource) diff --git a/synapse/rest/client/v2_alpha/capabilities.py b/synapse/rest/client/v2_alpha/capabilities.py new file mode 100644 index 0000000000..373f95126e --- /dev/null +++ b/synapse/rest/client/v2_alpha/capabilities.py @@ -0,0 +1,66 @@ +# -*- coding: utf-8 -*- +# Copyright 2019 New Vector +# +# 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. +import logging + +from twisted.internet import defer + +from synapse.api.constants import DEFAULT_ROOM_VERSION, RoomDisposition, RoomVersions +from synapse.http.servlet import RestServlet + +from ._base import client_v2_patterns + +logger = logging.getLogger(__name__) + + +class CapabilitiesRestServlet(RestServlet): + """End point to expose the capabilities of the server.""" + + PATTERNS = client_v2_patterns("/capabilities$") + + def __init__(self, hs): + """ + Args: + hs (synapse.server.HomeServer): server + """ + super(CapabilitiesRestServlet, self).__init__() + self.hs = hs + self.auth = hs.get_auth() + self.store = hs.get_datastore() + + @defer.inlineCallbacks + def on_GET(self, request): + requester = yield self.auth.get_user_by_req(request, allow_guest=True) + user = yield self.store.get_user_by_id(requester.user.to_string()) + change_password = bool(user["password_hash"]) + + response = { + "capabilities": { + "m.room_versions": { + "default": DEFAULT_ROOM_VERSION, + "available": { + RoomVersions.V1: RoomDisposition.STABLE, + RoomVersions.V2: RoomDisposition.STABLE, + RoomVersions.STATE_V2_TEST: RoomDisposition.UNSTABLE, + RoomVersions.V3: RoomDisposition.STABLE, + }, + }, + "m.change_password": {"enabled": change_password}, + } + } + defer.returnValue((200, response)) + + +def register_servlets(hs, http_server): + CapabilitiesRestServlet(hs).register(http_server) diff --git a/tests/rest/client/v2_alpha/test_capabilities.py b/tests/rest/client/v2_alpha/test_capabilities.py new file mode 100644 index 0000000000..d3d43970fb --- /dev/null +++ b/tests/rest/client/v2_alpha/test_capabilities.py @@ -0,0 +1,78 @@ +# -*- coding: utf-8 -*- +# Copyright 2019 New Vector Ltd +# +# 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.api.constants import DEFAULT_ROOM_VERSION, KNOWN_ROOM_VERSIONS +from synapse.rest.client.v1 import admin, login +from synapse.rest.client.v2_alpha import capabilities + +from tests import unittest + + +class CapabilitiesTestCase(unittest.HomeserverTestCase): + + servlets = [ + admin.register_servlets, + capabilities.register_servlets, + login.register_servlets, + ] + + def make_homeserver(self, reactor, clock): + self.url = b"/_matrix/client/r0/capabilities" + hs = self.setup_test_homeserver() + self.store = hs.get_datastore() + return hs + + def test_check_auth_required(self): + request, channel = self.make_request("GET", self.url) + self.render(request) + + self.assertEqual(channel.code, 401) + + def test_get_room_version_capabilities(self): + self.register_user("user", "pass") + access_token = self.login("user", "pass") + + request, channel = self.make_request("GET", self.url, access_token=access_token) + self.render(request) + capabilities = channel.json_body['capabilities'] + + self.assertEqual(channel.code, 200) + for room_version in capabilities['m.room_versions']['available'].keys(): + self.assertTrue(room_version in KNOWN_ROOM_VERSIONS, "" + room_version) + self.assertEqual( + DEFAULT_ROOM_VERSION, capabilities['m.room_versions']['default'] + ) + + def test_get_change_password_capabilities(self): + localpart = "user" + password = "pass" + user = self.register_user(localpart, password) + access_token = self.login(user, password) + + request, channel = self.make_request("GET", self.url, access_token=access_token) + self.render(request) + capabilities = channel.json_body['capabilities'] + + self.assertEqual(channel.code, 200) + + # Test case where password is handled outside of Synapse + self.assertTrue(capabilities['m.change_password']['enabled']) + self.get_success(self.store.user_set_password_hash(user, None)) + request, channel = self.make_request("GET", self.url, access_token=access_token) + self.render(request) + capabilities = channel.json_body['capabilities'] + + self.assertEqual(channel.code, 200) + self.assertFalse(capabilities['m.change_password']['enabled'])