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-rw-r--r--synapse/federation/transport/server/__init__.py48
-rw-r--r--synapse/federation/transport/server/groups_local.py115
-rw-r--r--synapse/federation/transport/server/groups_server.py755
3 files changed, 1 insertions, 917 deletions
diff --git a/synapse/federation/transport/server/__init__.py b/synapse/federation/transport/server/__init__.py
index 71b2f90eb9..50623cd385 100644
--- a/synapse/federation/transport/server/__init__.py
+++ b/synapse/federation/transport/server/__init__.py
@@ -27,10 +27,6 @@ from synapse.federation.transport.server.federation import (
     FederationAccountStatusServlet,
     FederationTimestampLookupServlet,
 )
-from synapse.federation.transport.server.groups_local import GROUP_LOCAL_SERVLET_CLASSES
-from synapse.federation.transport.server.groups_server import (
-    GROUP_SERVER_SERVLET_CLASSES,
-)
 from synapse.http.server import HttpServer, JsonResource
 from synapse.http.servlet import (
     parse_boolean_from_args,
@@ -199,38 +195,6 @@ class PublicRoomList(BaseFederationServlet):
         return 200, data
 
 
-class FederationGroupsRenewAttestaionServlet(BaseFederationServlet):
-    """A group or user's server renews their attestation"""
-
-    PATH = "/groups/(?P<group_id>[^/]*)/renew_attestation/(?P<user_id>[^/]*)"
-
-    def __init__(
-        self,
-        hs: "HomeServer",
-        authenticator: Authenticator,
-        ratelimiter: FederationRateLimiter,
-        server_name: str,
-    ):
-        super().__init__(hs, authenticator, ratelimiter, server_name)
-        self.handler = hs.get_groups_attestation_renewer()
-
-    async def on_POST(
-        self,
-        origin: str,
-        content: JsonDict,
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        user_id: str,
-    ) -> Tuple[int, JsonDict]:
-        # We don't need to check auth here as we check the attestation signatures
-
-        new_content = await self.handler.on_renew_attestation(
-            group_id, user_id, content
-        )
-
-        return 200, new_content
-
-
 class OpenIdUserInfo(BaseFederationServlet):
     """
     Exchange a bearer token for information about a user.
@@ -292,16 +256,9 @@ class OpenIdUserInfo(BaseFederationServlet):
 SERVLET_GROUPS: Dict[str, Iterable[Type[BaseFederationServlet]]] = {
     "federation": FEDERATION_SERVLET_CLASSES,
     "room_list": (PublicRoomList,),
-    "group_server": GROUP_SERVER_SERVLET_CLASSES,
-    "group_local": GROUP_LOCAL_SERVLET_CLASSES,
-    "group_attestation": (FederationGroupsRenewAttestaionServlet,),
     "openid": (OpenIdUserInfo,),
 }
 
-DEFAULT_SERVLET_GROUPS = ("federation", "room_list", "openid")
-
-GROUP_SERVLET_GROUPS = ("group_server", "group_local", "group_attestation")
-
 
 def register_servlets(
     hs: "HomeServer",
@@ -324,10 +281,7 @@ def register_servlets(
             Defaults to ``DEFAULT_SERVLET_GROUPS``.
     """
     if not servlet_groups:
-        servlet_groups = DEFAULT_SERVLET_GROUPS
-        # Only allow the groups servlets if the deprecated groups feature is enabled.
-        if hs.config.experimental.groups_enabled:
-            servlet_groups = servlet_groups + GROUP_SERVLET_GROUPS
+        servlet_groups = SERVLET_GROUPS.keys()
 
     for servlet_group in servlet_groups:
         # Skip unknown servlet groups.
diff --git a/synapse/federation/transport/server/groups_local.py b/synapse/federation/transport/server/groups_local.py
deleted file mode 100644
index 496472e1dc..0000000000
--- a/synapse/federation/transport/server/groups_local.py
+++ /dev/null
@@ -1,115 +0,0 @@
-#  Copyright 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.
-#  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 typing import TYPE_CHECKING, Dict, List, Tuple, Type
-
-from synapse.api.errors import SynapseError
-from synapse.federation.transport.server._base import (
-    Authenticator,
-    BaseFederationServlet,
-)
-from synapse.handlers.groups_local import GroupsLocalHandler
-from synapse.types import JsonDict, get_domain_from_id
-from synapse.util.ratelimitutils import FederationRateLimiter
-
-if TYPE_CHECKING:
-    from synapse.server import HomeServer
-
-
-class BaseGroupsLocalServlet(BaseFederationServlet):
-    """Abstract base class for federation servlet classes which provides a groups local handler.
-
-    See BaseFederationServlet for more information.
-    """
-
-    def __init__(
-        self,
-        hs: "HomeServer",
-        authenticator: Authenticator,
-        ratelimiter: FederationRateLimiter,
-        server_name: str,
-    ):
-        super().__init__(hs, authenticator, ratelimiter, server_name)
-        self.handler = hs.get_groups_local_handler()
-
-
-class FederationGroupsLocalInviteServlet(BaseGroupsLocalServlet):
-    """A group server has invited a local user"""
-
-    PATH = "/groups/local/(?P<group_id>[^/]*)/users/(?P<user_id>[^/]*)/invite"
-
-    async def on_POST(
-        self,
-        origin: str,
-        content: JsonDict,
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        user_id: str,
-    ) -> Tuple[int, JsonDict]:
-        if get_domain_from_id(group_id) != origin:
-            raise SynapseError(403, "group_id doesn't match origin")
-
-        assert isinstance(
-            self.handler, GroupsLocalHandler
-        ), "Workers cannot handle group invites."
-
-        new_content = await self.handler.on_invite(group_id, user_id, content)
-
-        return 200, new_content
-
-
-class FederationGroupsRemoveLocalUserServlet(BaseGroupsLocalServlet):
-    """A group server has removed a local user"""
-
-    PATH = "/groups/local/(?P<group_id>[^/]*)/users/(?P<user_id>[^/]*)/remove"
-
-    async def on_POST(
-        self,
-        origin: str,
-        content: JsonDict,
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        user_id: str,
-    ) -> Tuple[int, None]:
-        if get_domain_from_id(group_id) != origin:
-            raise SynapseError(403, "user_id doesn't match origin")
-
-        assert isinstance(
-            self.handler, GroupsLocalHandler
-        ), "Workers cannot handle group removals."
-
-        await self.handler.user_removed_from_group(group_id, user_id, content)
-
-        return 200, None
-
-
-class FederationGroupsBulkPublicisedServlet(BaseGroupsLocalServlet):
-    """Get roles in a group"""
-
-    PATH = "/get_groups_publicised"
-
-    async def on_POST(
-        self, origin: str, content: JsonDict, query: Dict[bytes, List[bytes]]
-    ) -> Tuple[int, JsonDict]:
-        resp = await self.handler.bulk_get_publicised_groups(
-            content["user_ids"], proxy=False
-        )
-
-        return 200, resp
-
-
-GROUP_LOCAL_SERVLET_CLASSES: Tuple[Type[BaseFederationServlet], ...] = (
-    FederationGroupsLocalInviteServlet,
-    FederationGroupsRemoveLocalUserServlet,
-    FederationGroupsBulkPublicisedServlet,
-)
diff --git a/synapse/federation/transport/server/groups_server.py b/synapse/federation/transport/server/groups_server.py
deleted file mode 100644
index 851b50152e..0000000000
--- a/synapse/federation/transport/server/groups_server.py
+++ /dev/null
@@ -1,755 +0,0 @@
-#  Copyright 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.
-#  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 typing import TYPE_CHECKING, Dict, List, Tuple, Type
-
-from typing_extensions import Literal
-
-from synapse.api.constants import MAX_GROUP_CATEGORYID_LENGTH, MAX_GROUP_ROLEID_LENGTH
-from synapse.api.errors import Codes, SynapseError
-from synapse.federation.transport.server._base import (
-    Authenticator,
-    BaseFederationServlet,
-)
-from synapse.http.servlet import parse_string_from_args
-from synapse.types import JsonDict, get_domain_from_id
-from synapse.util.ratelimitutils import FederationRateLimiter
-
-if TYPE_CHECKING:
-    from synapse.server import HomeServer
-
-
-class BaseGroupsServerServlet(BaseFederationServlet):
-    """Abstract base class for federation servlet classes which provides a groups server handler.
-
-    See BaseFederationServlet for more information.
-    """
-
-    def __init__(
-        self,
-        hs: "HomeServer",
-        authenticator: Authenticator,
-        ratelimiter: FederationRateLimiter,
-        server_name: str,
-    ):
-        super().__init__(hs, authenticator, ratelimiter, server_name)
-        self.handler = hs.get_groups_server_handler()
-
-
-class FederationGroupsProfileServlet(BaseGroupsServerServlet):
-    """Get/set the basic profile of a group on behalf of a user"""
-
-    PATH = "/groups/(?P<group_id>[^/]*)/profile"
-
-    async def on_GET(
-        self,
-        origin: str,
-        content: Literal[None],
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        new_content = await self.handler.get_group_profile(group_id, requester_user_id)
-
-        return 200, new_content
-
-    async def on_POST(
-        self,
-        origin: str,
-        content: JsonDict,
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        new_content = await self.handler.update_group_profile(
-            group_id, requester_user_id, content
-        )
-
-        return 200, new_content
-
-
-class FederationGroupsSummaryServlet(BaseGroupsServerServlet):
-    PATH = "/groups/(?P<group_id>[^/]*)/summary"
-
-    async def on_GET(
-        self,
-        origin: str,
-        content: Literal[None],
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        new_content = await self.handler.get_group_summary(group_id, requester_user_id)
-
-        return 200, new_content
-
-
-class FederationGroupsRoomsServlet(BaseGroupsServerServlet):
-    """Get the rooms in a group on behalf of a user"""
-
-    PATH = "/groups/(?P<group_id>[^/]*)/rooms"
-
-    async def on_GET(
-        self,
-        origin: str,
-        content: Literal[None],
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        new_content = await self.handler.get_rooms_in_group(group_id, requester_user_id)
-
-        return 200, new_content
-
-
-class FederationGroupsAddRoomsServlet(BaseGroupsServerServlet):
-    """Add/remove room from group"""
-
-    PATH = "/groups/(?P<group_id>[^/]*)/room/(?P<room_id>[^/]*)"
-
-    async def on_POST(
-        self,
-        origin: str,
-        content: JsonDict,
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        room_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        new_content = await self.handler.add_room_to_group(
-            group_id, requester_user_id, room_id, content
-        )
-
-        return 200, new_content
-
-    async def on_DELETE(
-        self,
-        origin: str,
-        content: Literal[None],
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        room_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        new_content = await self.handler.remove_room_from_group(
-            group_id, requester_user_id, room_id
-        )
-
-        return 200, new_content
-
-
-class FederationGroupsAddRoomsConfigServlet(BaseGroupsServerServlet):
-    """Update room config in group"""
-
-    PATH = (
-        "/groups/(?P<group_id>[^/]*)/room/(?P<room_id>[^/]*)"
-        "/config/(?P<config_key>[^/]*)"
-    )
-
-    async def on_POST(
-        self,
-        origin: str,
-        content: JsonDict,
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        room_id: str,
-        config_key: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        result = await self.handler.update_room_in_group(
-            group_id, requester_user_id, room_id, config_key, content
-        )
-
-        return 200, result
-
-
-class FederationGroupsUsersServlet(BaseGroupsServerServlet):
-    """Get the users in a group on behalf of a user"""
-
-    PATH = "/groups/(?P<group_id>[^/]*)/users"
-
-    async def on_GET(
-        self,
-        origin: str,
-        content: Literal[None],
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        new_content = await self.handler.get_users_in_group(group_id, requester_user_id)
-
-        return 200, new_content
-
-
-class FederationGroupsInvitedUsersServlet(BaseGroupsServerServlet):
-    """Get the users that have been invited to a group"""
-
-    PATH = "/groups/(?P<group_id>[^/]*)/invited_users"
-
-    async def on_GET(
-        self,
-        origin: str,
-        content: Literal[None],
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        new_content = await self.handler.get_invited_users_in_group(
-            group_id, requester_user_id
-        )
-
-        return 200, new_content
-
-
-class FederationGroupsInviteServlet(BaseGroupsServerServlet):
-    """Ask a group server to invite someone to the group"""
-
-    PATH = "/groups/(?P<group_id>[^/]*)/users/(?P<user_id>[^/]*)/invite"
-
-    async def on_POST(
-        self,
-        origin: str,
-        content: JsonDict,
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        user_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        new_content = await self.handler.invite_to_group(
-            group_id, user_id, requester_user_id, content
-        )
-
-        return 200, new_content
-
-
-class FederationGroupsAcceptInviteServlet(BaseGroupsServerServlet):
-    """Accept an invitation from the group server"""
-
-    PATH = "/groups/(?P<group_id>[^/]*)/users/(?P<user_id>[^/]*)/accept_invite"
-
-    async def on_POST(
-        self,
-        origin: str,
-        content: JsonDict,
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        user_id: str,
-    ) -> Tuple[int, JsonDict]:
-        if get_domain_from_id(user_id) != origin:
-            raise SynapseError(403, "user_id doesn't match origin")
-
-        new_content = await self.handler.accept_invite(group_id, user_id, content)
-
-        return 200, new_content
-
-
-class FederationGroupsJoinServlet(BaseGroupsServerServlet):
-    """Attempt to join a group"""
-
-    PATH = "/groups/(?P<group_id>[^/]*)/users/(?P<user_id>[^/]*)/join"
-
-    async def on_POST(
-        self,
-        origin: str,
-        content: JsonDict,
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        user_id: str,
-    ) -> Tuple[int, JsonDict]:
-        if get_domain_from_id(user_id) != origin:
-            raise SynapseError(403, "user_id doesn't match origin")
-
-        new_content = await self.handler.join_group(group_id, user_id, content)
-
-        return 200, new_content
-
-
-class FederationGroupsRemoveUserServlet(BaseGroupsServerServlet):
-    """Leave or kick a user from the group"""
-
-    PATH = "/groups/(?P<group_id>[^/]*)/users/(?P<user_id>[^/]*)/remove"
-
-    async def on_POST(
-        self,
-        origin: str,
-        content: JsonDict,
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        user_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        new_content = await self.handler.remove_user_from_group(
-            group_id, user_id, requester_user_id, content
-        )
-
-        return 200, new_content
-
-
-class FederationGroupsSummaryRoomsServlet(BaseGroupsServerServlet):
-    """Add/remove a room from the group summary, with optional category.
-
-    Matches both:
-        - /groups/:group/summary/rooms/:room_id
-        - /groups/:group/summary/categories/:category/rooms/:room_id
-    """
-
-    PATH = (
-        "/groups/(?P<group_id>[^/]*)/summary"
-        "(/categories/(?P<category_id>[^/]+))?"
-        "/rooms/(?P<room_id>[^/]*)"
-    )
-
-    async def on_POST(
-        self,
-        origin: str,
-        content: JsonDict,
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        category_id: str,
-        room_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        if category_id == "":
-            raise SynapseError(
-                400, "category_id cannot be empty string", Codes.INVALID_PARAM
-            )
-
-        if len(category_id) > MAX_GROUP_CATEGORYID_LENGTH:
-            raise SynapseError(
-                400,
-                "category_id may not be longer than %s characters"
-                % (MAX_GROUP_CATEGORYID_LENGTH,),
-                Codes.INVALID_PARAM,
-            )
-
-        resp = await self.handler.update_group_summary_room(
-            group_id,
-            requester_user_id,
-            room_id=room_id,
-            category_id=category_id,
-            content=content,
-        )
-
-        return 200, resp
-
-    async def on_DELETE(
-        self,
-        origin: str,
-        content: Literal[None],
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        category_id: str,
-        room_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        if category_id == "":
-            raise SynapseError(400, "category_id cannot be empty string")
-
-        resp = await self.handler.delete_group_summary_room(
-            group_id, requester_user_id, room_id=room_id, category_id=category_id
-        )
-
-        return 200, resp
-
-
-class FederationGroupsCategoriesServlet(BaseGroupsServerServlet):
-    """Get all categories for a group"""
-
-    PATH = "/groups/(?P<group_id>[^/]*)/categories/?"
-
-    async def on_GET(
-        self,
-        origin: str,
-        content: Literal[None],
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        resp = await self.handler.get_group_categories(group_id, requester_user_id)
-
-        return 200, resp
-
-
-class FederationGroupsCategoryServlet(BaseGroupsServerServlet):
-    """Add/remove/get a category in a group"""
-
-    PATH = "/groups/(?P<group_id>[^/]*)/categories/(?P<category_id>[^/]+)"
-
-    async def on_GET(
-        self,
-        origin: str,
-        content: Literal[None],
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        category_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        resp = await self.handler.get_group_category(
-            group_id, requester_user_id, category_id
-        )
-
-        return 200, resp
-
-    async def on_POST(
-        self,
-        origin: str,
-        content: JsonDict,
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        category_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        if category_id == "":
-            raise SynapseError(400, "category_id cannot be empty string")
-
-        if len(category_id) > MAX_GROUP_CATEGORYID_LENGTH:
-            raise SynapseError(
-                400,
-                "category_id may not be longer than %s characters"
-                % (MAX_GROUP_CATEGORYID_LENGTH,),
-                Codes.INVALID_PARAM,
-            )
-
-        resp = await self.handler.upsert_group_category(
-            group_id, requester_user_id, category_id, content
-        )
-
-        return 200, resp
-
-    async def on_DELETE(
-        self,
-        origin: str,
-        content: Literal[None],
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        category_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        if category_id == "":
-            raise SynapseError(400, "category_id cannot be empty string")
-
-        resp = await self.handler.delete_group_category(
-            group_id, requester_user_id, category_id
-        )
-
-        return 200, resp
-
-
-class FederationGroupsRolesServlet(BaseGroupsServerServlet):
-    """Get roles in a group"""
-
-    PATH = "/groups/(?P<group_id>[^/]*)/roles/?"
-
-    async def on_GET(
-        self,
-        origin: str,
-        content: Literal[None],
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        resp = await self.handler.get_group_roles(group_id, requester_user_id)
-
-        return 200, resp
-
-
-class FederationGroupsRoleServlet(BaseGroupsServerServlet):
-    """Add/remove/get a role in a group"""
-
-    PATH = "/groups/(?P<group_id>[^/]*)/roles/(?P<role_id>[^/]+)"
-
-    async def on_GET(
-        self,
-        origin: str,
-        content: Literal[None],
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        role_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        resp = await self.handler.get_group_role(group_id, requester_user_id, role_id)
-
-        return 200, resp
-
-    async def on_POST(
-        self,
-        origin: str,
-        content: JsonDict,
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        role_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        if role_id == "":
-            raise SynapseError(
-                400, "role_id cannot be empty string", Codes.INVALID_PARAM
-            )
-
-        if len(role_id) > MAX_GROUP_ROLEID_LENGTH:
-            raise SynapseError(
-                400,
-                "role_id may not be longer than %s characters"
-                % (MAX_GROUP_ROLEID_LENGTH,),
-                Codes.INVALID_PARAM,
-            )
-
-        resp = await self.handler.update_group_role(
-            group_id, requester_user_id, role_id, content
-        )
-
-        return 200, resp
-
-    async def on_DELETE(
-        self,
-        origin: str,
-        content: Literal[None],
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        role_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        if role_id == "":
-            raise SynapseError(400, "role_id cannot be empty string")
-
-        resp = await self.handler.delete_group_role(
-            group_id, requester_user_id, role_id
-        )
-
-        return 200, resp
-
-
-class FederationGroupsSummaryUsersServlet(BaseGroupsServerServlet):
-    """Add/remove a user from the group summary, with optional role.
-
-    Matches both:
-        - /groups/:group/summary/users/:user_id
-        - /groups/:group/summary/roles/:role/users/:user_id
-    """
-
-    PATH = (
-        "/groups/(?P<group_id>[^/]*)/summary"
-        "(/roles/(?P<role_id>[^/]+))?"
-        "/users/(?P<user_id>[^/]*)"
-    )
-
-    async def on_POST(
-        self,
-        origin: str,
-        content: JsonDict,
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        role_id: str,
-        user_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        if role_id == "":
-            raise SynapseError(400, "role_id cannot be empty string")
-
-        if len(role_id) > MAX_GROUP_ROLEID_LENGTH:
-            raise SynapseError(
-                400,
-                "role_id may not be longer than %s characters"
-                % (MAX_GROUP_ROLEID_LENGTH,),
-                Codes.INVALID_PARAM,
-            )
-
-        resp = await self.handler.update_group_summary_user(
-            group_id,
-            requester_user_id,
-            user_id=user_id,
-            role_id=role_id,
-            content=content,
-        )
-
-        return 200, resp
-
-    async def on_DELETE(
-        self,
-        origin: str,
-        content: Literal[None],
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-        role_id: str,
-        user_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        if role_id == "":
-            raise SynapseError(400, "role_id cannot be empty string")
-
-        resp = await self.handler.delete_group_summary_user(
-            group_id, requester_user_id, user_id=user_id, role_id=role_id
-        )
-
-        return 200, resp
-
-
-class FederationGroupsSettingJoinPolicyServlet(BaseGroupsServerServlet):
-    """Sets whether a group is joinable without an invite or knock"""
-
-    PATH = "/groups/(?P<group_id>[^/]*)/settings/m.join_policy"
-
-    async def on_PUT(
-        self,
-        origin: str,
-        content: JsonDict,
-        query: Dict[bytes, List[bytes]],
-        group_id: str,
-    ) -> Tuple[int, JsonDict]:
-        requester_user_id = parse_string_from_args(
-            query, "requester_user_id", required=True
-        )
-        if get_domain_from_id(requester_user_id) != origin:
-            raise SynapseError(403, "requester_user_id doesn't match origin")
-
-        new_content = await self.handler.set_group_join_policy(
-            group_id, requester_user_id, content
-        )
-
-        return 200, new_content
-
-
-GROUP_SERVER_SERVLET_CLASSES: Tuple[Type[BaseFederationServlet], ...] = (
-    FederationGroupsProfileServlet,
-    FederationGroupsSummaryServlet,
-    FederationGroupsRoomsServlet,
-    FederationGroupsUsersServlet,
-    FederationGroupsInvitedUsersServlet,
-    FederationGroupsInviteServlet,
-    FederationGroupsAcceptInviteServlet,
-    FederationGroupsJoinServlet,
-    FederationGroupsRemoveUserServlet,
-    FederationGroupsSummaryRoomsServlet,
-    FederationGroupsCategoriesServlet,
-    FederationGroupsCategoryServlet,
-    FederationGroupsRolesServlet,
-    FederationGroupsRoleServlet,
-    FederationGroupsSummaryUsersServlet,
-    FederationGroupsAddRoomsServlet,
-    FederationGroupsAddRoomsConfigServlet,
-    FederationGroupsSettingJoinPolicyServlet,
-)