diff --git a/changelog.d/10960.bugfix b/changelog.d/10960.bugfix new file mode 100644 index 0000000000..b4f1c228ea --- /dev/null +++ b/changelog.d/10960.bugfix @@ -0,0 +1 @@ +Fix a long-standing bug where rebuilding the user directory wouldn't exclude support and disabled users. \ No newline at end of file diff --git a/synapse/handlers/user_directory.py b/synapse/handlers/user_directory.py index f4430ce3c9..18d8c8744e 100644 --- a/synapse/handlers/user_directory.py +++ b/synapse/handlers/user_directory.py @@ -132,12 +132,7 @@ class UserDirectoryHandler(StateDeltasHandler): # FIXME(#3714): We should probably do this in the same worker as all # the other changes. - # Support users are for diagnostics and should not appear in the user directory. - is_support = await self.store.is_support_user(user_id) - # When change profile information of deactivated user it should not appear in the user directory. - is_deactivated = await self.store.get_user_deactivated_status(user_id) - - if not (is_support or is_deactivated): + if await self.store.should_include_local_user_in_dir(user_id): await self.store.update_profile_in_user_dir( user_id, profile.display_name, profile.avatar_url ) @@ -229,8 +224,10 @@ class UserDirectoryHandler(StateDeltasHandler): else: logger.debug("Server is still in room: %r", room_id) - is_support = await self.store.is_support_user(state_key) - if not is_support: + include_in_dir = not self.is_mine_id( + state_key + ) or await self.store.should_include_local_user_in_dir(state_key) + if include_in_dir: if change is MatchChange.no_change: # Handle any profile changes await self._handle_profile_change( @@ -356,13 +353,7 @@ class UserDirectoryHandler(StateDeltasHandler): # First, if they're our user then we need to update for every user if self.is_mine_id(user_id): - - is_appservice = self.store.get_if_app_services_interested_in_user( - user_id - ) - - # We don't care about appservice users. - if not is_appservice: + if await self.store.should_include_local_user_in_dir(user_id): for other_user_id in other_users_in_room: if user_id == other_user_id: continue @@ -374,10 +365,10 @@ class UserDirectoryHandler(StateDeltasHandler): if user_id == other_user_id: continue - is_appservice = self.store.get_if_app_services_interested_in_user( + include_other_user = self.is_mine_id( other_user_id - ) - if self.is_mine_id(other_user_id) and not is_appservice: + ) and await self.store.should_include_local_user_in_dir(other_user_id) + if include_other_user: to_insert.add((other_user_id, user_id)) if to_insert: diff --git a/synapse/storage/databases/main/user_directory.py b/synapse/storage/databases/main/user_directory.py index c26e3e066f..5f538947ec 100644 --- a/synapse/storage/databases/main/user_directory.py +++ b/synapse/storage/databases/main/user_directory.py @@ -40,12 +40,10 @@ from synapse.util.caches.descriptors import cached logger = logging.getLogger(__name__) - TEMP_TABLE = "_temp_populate_user_directory" class UserDirectoryBackgroundUpdateStore(StateDeltasStore): - # How many records do we calculate before sending it to # add_users_who_share_private_rooms? SHARE_PRIVATE_WORKING_SET = 500 @@ -235,6 +233,13 @@ class UserDirectoryBackgroundUpdateStore(StateDeltasStore): ) users_with_profile = await self.get_users_in_room_with_profiles(room_id) + # Throw away users excluded from the directory. + users_with_profile = { + user_id: profile + for user_id, profile in users_with_profile.items() + if not self.hs.is_mine_id(user_id) + or await self.should_include_local_user_in_dir(user_id) + } # Update each user in the user directory. for user_id, profile in users_with_profile.items(): @@ -246,9 +251,6 @@ class UserDirectoryBackgroundUpdateStore(StateDeltasStore): if is_public: for user_id in users_with_profile: - if self.get_if_app_services_interested_in_user(user_id): - continue - to_insert.add(user_id) if to_insert: @@ -256,12 +258,12 @@ class UserDirectoryBackgroundUpdateStore(StateDeltasStore): to_insert.clear() else: for user_id in users_with_profile: + # We want the set of pairs (L, M) where L and M are + # in `users_with_profile` and L is local. + # Do so by looking for the local user L first. if not self.hs.is_mine_id(user_id): continue - if self.get_if_app_services_interested_in_user(user_id): - continue - for other_user_id in users_with_profile: if user_id == other_user_id: continue @@ -349,10 +351,11 @@ class UserDirectoryBackgroundUpdateStore(StateDeltasStore): ) for user_id in users_to_work_on: - profile = await self.get_profileinfo(get_localpart_from_id(user_id)) - await self.update_profile_in_user_dir( - user_id, profile.display_name, profile.avatar_url - ) + if await self.should_include_local_user_in_dir(user_id): + profile = await self.get_profileinfo(get_localpart_from_id(user_id)) + await self.update_profile_in_user_dir( + user_id, profile.display_name, profile.avatar_url + ) # We've finished processing a user. Delete it from the table. await self.db_pool.simple_delete_one( @@ -369,6 +372,24 @@ class UserDirectoryBackgroundUpdateStore(StateDeltasStore): return len(users_to_work_on) + async def should_include_local_user_in_dir(self, user: str) -> bool: + """Certain classes of local user are omitted from the user directory. + Is this user one of them? + """ + # App service users aren't usually contactable, so exclude them. + if self.get_if_app_services_interested_in_user(user): + # TODO we might want to make this configurable for each app service + return False + + # Support users are for diagnostics and should not appear in the user directory. + if await self.is_support_user(user): + return False + + # Deactivated users aren't contactable, so should not appear in the user directory. + if await self.get_user_deactivated_status(user): + return False + return True + async def is_room_world_readable_or_publicly_joinable(self, room_id: str) -> bool: """Check if the room is either world_readable or publically joinable""" @@ -537,7 +558,6 @@ class UserDirectoryBackgroundUpdateStore(StateDeltasStore): class UserDirectoryStore(UserDirectoryBackgroundUpdateStore): - # How many records do we calculate before sending it to # add_users_who_share_private_rooms? SHARE_PRIVATE_WORKING_SET = 500 diff --git a/tests/handlers/test_user_directory.py b/tests/handlers/test_user_directory.py index 2988befb21..b3c3af113b 100644 --- a/tests/handlers/test_user_directory.py +++ b/tests/handlers/test_user_directory.py @@ -11,6 +11,7 @@ # 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 typing import Tuple from unittest.mock import Mock, patch from urllib.parse import quote @@ -20,7 +21,8 @@ from twisted.test.proto_helpers import MemoryReactor import synapse.rest.admin from synapse.api.constants import UserTypes from synapse.api.room_versions import RoomVersion, RoomVersions -from synapse.rest.client import login, room, user_directory +from synapse.appservice import ApplicationService +from synapse.rest.client import login, register, room, user_directory from synapse.server import HomeServer from synapse.storage.roommember import ProfileInfo from synapse.types import create_requester @@ -28,6 +30,7 @@ from synapse.util import Clock from tests import unittest from tests.storage.test_user_directory import GetUserDirectoryTables +from tests.test_utils.event_injection import inject_member_event from tests.unittest import override_config @@ -47,13 +50,29 @@ class UserDirectoryTestCase(unittest.HomeserverTestCase): servlets = [ login.register_servlets, synapse.rest.admin.register_servlets, + register.register_servlets, room.register_servlets, ] def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer: config = self.default_config() config["update_user_directory"] = True - return self.setup_test_homeserver(config=config) + + self.appservice = ApplicationService( + token="i_am_an_app_service", + hostname="test", + id="1234", + namespaces={"users": [{"regex": r"@as_user.*", "exclusive": True}]}, + sender="@as:test", + ) + + mock_load_appservices = Mock(return_value=[self.appservice]) + with patch( + "synapse.storage.databases.main.appservice.load_appservices", + mock_load_appservices, + ): + hs = self.setup_test_homeserver(config=config) + return hs def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None: self.store = hs.get_datastore() @@ -62,6 +81,137 @@ class UserDirectoryTestCase(unittest.HomeserverTestCase): self.event_creation_handler = self.hs.get_event_creation_handler() self.user_dir_helper = GetUserDirectoryTables(self.store) + def test_normal_user_pair(self) -> None: + """Sanity check that the room-sharing tables are updated correctly.""" + alice = self.register_user("alice", "pass") + alice_token = self.login(alice, "pass") + bob = self.register_user("bob", "pass") + bob_token = self.login(bob, "pass") + + public = self.helper.create_room_as( + alice, + is_public=True, + extra_content={"visibility": "public"}, + tok=alice_token, + ) + private = self.helper.create_room_as(alice, is_public=False, tok=alice_token) + self.helper.invite(private, alice, bob, tok=alice_token) + self.helper.join(public, bob, tok=bob_token) + self.helper.join(private, bob, tok=bob_token) + + # Alice also makes a second public room but no-one else joins + public2 = self.helper.create_room_as( + alice, + is_public=True, + extra_content={"visibility": "public"}, + tok=alice_token, + ) + + users = self.get_success(self.user_dir_helper.get_users_in_user_directory()) + in_public = self.get_success(self.user_dir_helper.get_users_in_public_rooms()) + in_private = self.get_success( + self.user_dir_helper.get_users_who_share_private_rooms() + ) + + self.assertEqual(users, {alice, bob}) + self.assertEqual( + set(in_public), {(alice, public), (bob, public), (alice, public2)} + ) + self.assertEqual( + self.user_dir_helper._compress_shared(in_private), + {(alice, bob, private), (bob, alice, private)}, + ) + + # The next three tests (test_population_excludes_*) all setup + # - A normal user included in the user dir + # - A public and private room created by that user + # - A user excluded from the room dir, belonging to both rooms + + # They match similar logic in storage/test_user_directory. But that tests + # rebuilding the directory; this tests updating it incrementally. + + def test_excludes_support_user(self) -> None: + alice = self.register_user("alice", "pass") + alice_token = self.login(alice, "pass") + support = "@support1:test" + self.get_success( + self.store.register_user( + user_id=support, password_hash=None, user_type=UserTypes.SUPPORT + ) + ) + + public, private = self._create_rooms_and_inject_memberships( + alice, alice_token, support + ) + self._check_only_one_user_in_directory(alice, public) + + def test_excludes_deactivated_user(self) -> None: + admin = self.register_user("admin", "pass", admin=True) + admin_token = self.login(admin, "pass") + user = self.register_user("naughty", "pass") + + # Deactivate the user. + channel = self.make_request( + "PUT", + f"/_synapse/admin/v2/users/{user}", + access_token=admin_token, + content={"deactivated": True}, + ) + self.assertEqual(channel.code, 200) + self.assertEqual(channel.json_body["deactivated"], True) + + # Join the deactivated user to rooms owned by the admin. + # Is this something that could actually happen outside of a test? + public, private = self._create_rooms_and_inject_memberships( + admin, admin_token, user + ) + self._check_only_one_user_in_directory(admin, public) + + def test_excludes_appservices_user(self) -> None: + # Register an AS user. + user = self.register_user("user", "pass") + token = self.login(user, "pass") + as_user = self.register_appservice_user("as_user_potato", self.appservice.token) + + # Join the AS user to rooms owned by the normal user. + public, private = self._create_rooms_and_inject_memberships( + user, token, as_user + ) + self._check_only_one_user_in_directory(user, public) + + def _create_rooms_and_inject_memberships( + self, creator: str, token: str, joiner: str + ) -> Tuple[str, str]: + """Create a public and private room as a normal user. + Then get the `joiner` into those rooms. + """ + # TODO: Duplicates the same-named method in UserDirectoryInitialPopulationTest. + public_room = self.helper.create_room_as( + creator, + is_public=True, + # See https://github.com/matrix-org/synapse/issues/10951 + extra_content={"visibility": "public"}, + tok=token, + ) + private_room = self.helper.create_room_as(creator, is_public=False, tok=token) + + # HACK: get the user into these rooms + self.get_success(inject_member_event(self.hs, public_room, joiner, "join")) + self.get_success(inject_member_event(self.hs, private_room, joiner, "join")) + + return public_room, private_room + + def _check_only_one_user_in_directory(self, user: str, public: str) -> None: + users = self.get_success(self.user_dir_helper.get_users_in_user_directory()) + in_public = self.get_success(self.user_dir_helper.get_users_in_public_rooms()) + in_private = self.get_success( + self.user_dir_helper.get_users_who_share_private_rooms() + ) + + self.assertEqual(users, {user}) + self.assertEqual(set(in_public), {(user, public)}) + self.assertEqual(in_private, []) + def test_handle_local_profile_change_with_support_user(self) -> None: support_user_id = "@support:test" self.get_success( @@ -125,6 +275,26 @@ class UserDirectoryTestCase(unittest.HomeserverTestCase): profile = self.get_success(self.store.get_user_in_directory(r_user_id)) self.assertTrue(profile is None) + def test_handle_local_profile_change_with_appservice_user(self) -> None: + # create user + as_user_id = self.register_appservice_user( + "as_user_alice", self.appservice.token + ) + + # profile is not in directory + profile = self.get_success(self.store.get_user_in_directory(as_user_id)) + self.assertTrue(profile is None) + + # update profile + profile_info = ProfileInfo(avatar_url="avatar_url", display_name="4L1c3") + self.get_success( + self.handler.handle_local_profile_change(as_user_id, profile_info) + ) + + # profile is still not in directory + profile = self.get_success(self.store.get_user_in_directory(as_user_id)) + self.assertTrue(profile is None) + def test_handle_user_deactivated_support_user(self) -> None: s_user_id = "@support:test" self.get_success( @@ -483,8 +653,6 @@ class UserDirectoryTestCase(unittest.HomeserverTestCase): class TestUserDirSearchDisabled(unittest.HomeserverTestCase): - user_id = "@test:test" - servlets = [ user_directory.register_servlets, room.register_servlets, @@ -504,16 +672,21 @@ class TestUserDirSearchDisabled(unittest.HomeserverTestCase): def test_disabling_room_list(self) -> None: self.config.userdirectory.user_directory_search_enabled = True - # First we create a room with another user so that user dir is non-empty - # for our user - self.helper.create_room_as(self.user_id) + # Create two users and put them in the same room. + u1 = self.register_user("user1", "pass") + u1_token = self.login(u1, "pass") u2 = self.register_user("user2", "pass") - room = self.helper.create_room_as(self.user_id) - self.helper.join(room, user=u2) + u2_token = self.login(u2, "pass") - # Assert user directory is not empty + room = self.helper.create_room_as(u1, tok=u1_token) + self.helper.join(room, user=u2, tok=u2_token) + + # Each should see the other when searching the user directory. channel = self.make_request( - "POST", b"user_directory/search", b'{"search_term":"user2"}' + "POST", + b"user_directory/search", + b'{"search_term":"user2"}', + access_token=u1_token, ) self.assertEquals(200, channel.code, channel.result) self.assertTrue(len(channel.json_body["results"]) > 0) @@ -521,7 +694,10 @@ class TestUserDirSearchDisabled(unittest.HomeserverTestCase): # Disable user directory and check search returns nothing self.config.userdirectory.user_directory_search_enabled = False channel = self.make_request( - "POST", b"user_directory/search", b'{"search_term":"user2"}' + "POST", + b"user_directory/search", + b'{"search_term":"user2"}', + access_token=u1_token, ) self.assertEquals(200, channel.code, channel.result) self.assertTrue(len(channel.json_body["results"]) == 0) diff --git a/tests/rest/client/test_login.py b/tests/rest/client/test_login.py index 7fd92c94e0..a63f04bd41 100644 --- a/tests/rest/client/test_login.py +++ b/tests/rest/client/test_login.py @@ -1064,13 +1064,6 @@ class AppserviceLoginRestServletTestCase(unittest.HomeserverTestCase): register.register_servlets, ] - def register_as_user(self, username): - self.make_request( - b"POST", - "/_matrix/client/r0/register?access_token=%s" % (self.service.token,), - {"username": username}, - ) - def make_homeserver(self, reactor, clock): self.hs = self.setup_test_homeserver() @@ -1107,7 +1100,7 @@ class AppserviceLoginRestServletTestCase(unittest.HomeserverTestCase): def test_login_appservice_user(self): """Test that an appservice user can use /login""" - self.register_as_user(AS_USER) + self.register_appservice_user(AS_USER, self.service.token) params = { "type": login.LoginRestServlet.APPSERVICE_TYPE, @@ -1121,7 +1114,7 @@ class AppserviceLoginRestServletTestCase(unittest.HomeserverTestCase): def test_login_appservice_user_bot(self): """Test that the appservice bot can use /login""" - self.register_as_user(AS_USER) + self.register_appservice_user(AS_USER, self.service.token) params = { "type": login.LoginRestServlet.APPSERVICE_TYPE, @@ -1135,7 +1128,7 @@ class AppserviceLoginRestServletTestCase(unittest.HomeserverTestCase): def test_login_appservice_wrong_user(self): """Test that non-as users cannot login with the as token""" - self.register_as_user(AS_USER) + self.register_appservice_user(AS_USER, self.service.token) params = { "type": login.LoginRestServlet.APPSERVICE_TYPE, @@ -1149,7 +1142,7 @@ class AppserviceLoginRestServletTestCase(unittest.HomeserverTestCase): def test_login_appservice_wrong_as(self): """Test that as users cannot login with wrong as token""" - self.register_as_user(AS_USER) + self.register_appservice_user(AS_USER, self.service.token) params = { "type": login.LoginRestServlet.APPSERVICE_TYPE, @@ -1165,7 +1158,7 @@ class AppserviceLoginRestServletTestCase(unittest.HomeserverTestCase): """Test that users must provide a token when using the appservice login method """ - self.register_as_user(AS_USER) + self.register_appservice_user(AS_USER, self.service.token) params = { "type": login.LoginRestServlet.APPSERVICE_TYPE, diff --git a/tests/storage/test_user_directory.py b/tests/storage/test_user_directory.py index 74c8a8599e..6884ca9b7a 100644 --- a/tests/storage/test_user_directory.py +++ b/tests/storage/test_user_directory.py @@ -12,15 +12,19 @@ # See the License for the specific language governing permissions and # limitations under the License. from typing import Dict, List, Set, Tuple +from unittest.mock import Mock, patch from twisted.test.proto_helpers import MemoryReactor +from synapse.api.constants import UserTypes +from synapse.appservice import ApplicationService from synapse.rest import admin -from synapse.rest.client import login, room +from synapse.rest.client import login, register, room from synapse.server import HomeServer from synapse.storage import DataStore from synapse.util import Clock +from tests.test_utils.event_injection import inject_member_event from tests.unittest import HomeserverTestCase, override_config ALICE = "@alice:a" @@ -64,6 +68,14 @@ class GetUserDirectoryTables: ["user_id", "other_user_id", "room_id"], ) + async def get_users_in_user_directory(self) -> Set[str]: + result = await self.store.db_pool.simple_select_list( + "user_directory", + None, + ["user_id"], + ) + return {row["user_id"] for row in result} + class UserDirectoryInitialPopulationTestcase(HomeserverTestCase): """Ensure that rebuilding the directory writes the correct data to the DB. @@ -74,10 +86,28 @@ class UserDirectoryInitialPopulationTestcase(HomeserverTestCase): servlets = [ login.register_servlets, - admin.register_servlets_for_client_rest_resource, + admin.register_servlets, room.register_servlets, + register.register_servlets, ] + def make_homeserver(self, reactor: MemoryReactor, clock: Clock) -> HomeServer: + self.appservice = ApplicationService( + token="i_am_an_app_service", + hostname="test", + id="1234", + namespaces={"users": [{"regex": r"@as_user.*", "exclusive": True}]}, + sender="@as:test", + ) + + mock_load_appservices = Mock(return_value=[self.appservice]) + with patch( + "synapse.storage.databases.main.appservice.load_appservices", + mock_load_appservices, + ): + hs = super().make_homeserver(reactor, clock) + return hs + def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None: self.store = hs.get_datastore() self.user_dir_helper = GetUserDirectoryTables(self.store) @@ -204,6 +234,118 @@ class UserDirectoryInitialPopulationTestcase(HomeserverTestCase): {(u1, u3, private_room), (u3, u1, private_room)}, ) + # All three should have entries in the directory + users = self.get_success(self.user_dir_helper.get_users_in_user_directory()) + self.assertEqual(users, {u1, u2, u3}) + + # The next three tests (test_population_excludes_*) all set up + # - A normal user included in the user dir + # - A public and private room created by that user + # - A user excluded from the room dir, belonging to both rooms + + # They match similar logic in handlers/test_user_directory.py But that tests + # updating the directory; this tests rebuilding it from scratch. + + def _create_rooms_and_inject_memberships( + self, creator: str, token: str, joiner: str + ) -> Tuple[str, str]: + """Create a public and private room as a normal user. + Then get the `joiner` into those rooms. + """ + public_room = self.helper.create_room_as( + creator, + is_public=True, + # See https://github.com/matrix-org/synapse/issues/10951 + extra_content={"visibility": "public"}, + tok=token, + ) + private_room = self.helper.create_room_as(creator, is_public=False, tok=token) + + # HACK: get the user into these rooms + self.get_success(inject_member_event(self.hs, public_room, joiner, "join")) + self.get_success(inject_member_event(self.hs, private_room, joiner, "join")) + + return public_room, private_room + + def _check_room_sharing_tables( + self, normal_user: str, public_room: str, private_room: str + ) -> None: + # After rebuilding the directory, we should only see the normal user. + users = self.get_success(self.user_dir_helper.get_users_in_user_directory()) + self.assertEqual(users, {normal_user}) + in_public_rooms = self.get_success( + self.user_dir_helper.get_users_in_public_rooms() + ) + self.assertEqual(set(in_public_rooms), {(normal_user, public_room)}) + in_private_rooms = self.get_success( + self.user_dir_helper.get_users_who_share_private_rooms() + ) + self.assertEqual(in_private_rooms, []) + + def test_population_excludes_support_user(self) -> None: + # Create a normal and support user. + user = self.register_user("user", "pass") + token = self.login(user, "pass") + support = "@support1:test" + self.get_success( + self.store.register_user( + user_id=support, password_hash=None, user_type=UserTypes.SUPPORT + ) + ) + + # Join the support user to rooms owned by the normal user. + public, private = self._create_rooms_and_inject_memberships( + user, token, support + ) + + # Rebuild the directory. + self._purge_and_rebuild_user_dir() + + # Check the support user is not in the directory. + self._check_room_sharing_tables(user, public, private) + + def test_population_excludes_deactivated_user(self) -> None: + user = self.register_user("naughty", "pass") + admin = self.register_user("admin", "pass", admin=True) + admin_token = self.login(admin, "pass") + + # Deactivate the user. + channel = self.make_request( + "PUT", + f"/_synapse/admin/v2/users/{user}", + access_token=admin_token, + content={"deactivated": True}, + ) + self.assertEqual(channel.code, 200) + self.assertEqual(channel.json_body["deactivated"], True) + + # Join the deactivated user to rooms owned by the admin. + # Is this something that could actually happen outside of a test? + public, private = self._create_rooms_and_inject_memberships( + admin, admin_token, user + ) + + # Rebuild the user dir. The deactivated user should be missing. + self._purge_and_rebuild_user_dir() + self._check_room_sharing_tables(admin, public, private) + + def test_population_excludes_appservice_user(self) -> None: + # Register an AS user. + user = self.register_user("user", "pass") + token = self.login(user, "pass") + as_user = self.register_appservice_user("as_user_potato", self.appservice.token) + + # Join the AS user to rooms owned by the normal user. + public, private = self._create_rooms_and_inject_memberships( + user, token, as_user + ) + + # Rebuild the directory. + self._purge_and_rebuild_user_dir() + + # Check the AS user is not in the directory. + self._check_room_sharing_tables(user, public, private) + class UserDirectoryStoreTestCase(HomeserverTestCase): def prepare(self, reactor: MemoryReactor, clock: Clock, hs: HomeServer) -> None: diff --git a/tests/unittest.py b/tests/unittest.py index 1f803564f6..ae393ee53e 100644 --- a/tests/unittest.py +++ b/tests/unittest.py @@ -596,6 +596,35 @@ class HomeserverTestCase(TestCase): user_id = channel.json_body["user_id"] return user_id + def register_appservice_user( + self, + username: str, + appservice_token: str, + ) -> str: + """Register an appservice user as an application service. + Requires the client-facing registration API be registered. + + Args: + username: the user to be registered by an application service. + Should be a full username, i.e. ""@localpart:hostname" as opposed to just "localpart" + appservice_token: the acccess token for that application service. + + Raises: if the request to '/register' does not return 200 OK. + + Returns: the MXID of the new user. + """ + channel = self.make_request( + "POST", + "/_matrix/client/r0/register", + { + "username": username, + "type": "m.login.application_service", + }, + access_token=appservice_token, + ) + self.assertEqual(channel.code, 200, channel.json_body) + return channel.json_body["user_id"] + def login( self, username,