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authorPatrick Cloke <clokep@users.noreply.github.com>2020-06-01 07:28:43 -0400
committerGitHub <noreply@github.com>2020-06-01 07:28:43 -0400
commit6af9cdca24f8505cc30b117fb30bda94ae3a6fbf (patch)
treeb7428404843d242a198b6d0bddfb154908a095cd /synapse/groups
parentDon't fail all of an iteration of the device list retry loop on error (#7609) (diff)
downloadsynapse-6af9cdca24f8505cc30b117fb30bda94ae3a6fbf.tar.xz
Convert groups local and server to async/await. (#7600)
Diffstat (limited to 'synapse/groups')
-rw-r--r--synapse/groups/groups_server.py257
1 files changed, 114 insertions, 143 deletions
diff --git a/synapse/groups/groups_server.py b/synapse/groups/groups_server.py
index 4acb4fa489..8a9de913b3 100644
--- a/synapse/groups/groups_server.py
+++ b/synapse/groups/groups_server.py
@@ -19,8 +19,6 @@ import logging
 
 from six import string_types
 
-from twisted.internet import defer
-
 from synapse.api.errors import Codes, SynapseError
 from synapse.types import GroupID, RoomID, UserID, get_domain_from_id
 from synapse.util.async_helpers import concurrently_execute
@@ -51,8 +49,7 @@ class GroupsServerWorkerHandler(object):
         self.transport_client = hs.get_federation_transport_client()
         self.profile_handler = hs.get_profile_handler()
 
-    @defer.inlineCallbacks
-    def check_group_is_ours(
+    async def check_group_is_ours(
         self, group_id, requester_user_id, and_exists=False, and_is_admin=None
     ):
         """Check that the group is ours, and optionally if it exists.
@@ -68,25 +65,24 @@ class GroupsServerWorkerHandler(object):
         if not self.is_mine_id(group_id):
             raise SynapseError(400, "Group not on this server")
 
-        group = yield self.store.get_group(group_id)
+        group = await self.store.get_group(group_id)
         if and_exists and not group:
             raise SynapseError(404, "Unknown group")
 
-        is_user_in_group = yield self.store.is_user_in_group(
+        is_user_in_group = await self.store.is_user_in_group(
             requester_user_id, group_id
         )
         if group and not is_user_in_group and not group["is_public"]:
             raise SynapseError(404, "Unknown group")
 
         if and_is_admin:
-            is_admin = yield self.store.is_user_admin_in_group(group_id, and_is_admin)
+            is_admin = await self.store.is_user_admin_in_group(group_id, and_is_admin)
             if not is_admin:
                 raise SynapseError(403, "User is not admin in group")
 
         return group
 
-    @defer.inlineCallbacks
-    def get_group_summary(self, group_id, requester_user_id):
+    async def get_group_summary(self, group_id, requester_user_id):
         """Get the summary for a group as seen by requester_user_id.
 
         The group summary consists of the profile of the room, and a curated
@@ -95,28 +91,28 @@ class GroupsServerWorkerHandler(object):
 
         A user/room may appear in multiple roles/categories.
         """
-        yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
+        await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
 
-        is_user_in_group = yield self.store.is_user_in_group(
+        is_user_in_group = await self.store.is_user_in_group(
             requester_user_id, group_id
         )
 
-        profile = yield self.get_group_profile(group_id, requester_user_id)
+        profile = await self.get_group_profile(group_id, requester_user_id)
 
-        users, roles = yield self.store.get_users_for_summary_by_role(
+        users, roles = await self.store.get_users_for_summary_by_role(
             group_id, include_private=is_user_in_group
         )
 
         # TODO: Add profiles to users
 
-        rooms, categories = yield self.store.get_rooms_for_summary_by_category(
+        rooms, categories = await self.store.get_rooms_for_summary_by_category(
             group_id, include_private=is_user_in_group
         )
 
         for room_entry in rooms:
             room_id = room_entry["room_id"]
-            joined_users = yield self.store.get_users_in_room(room_id)
-            entry = yield self.room_list_handler.generate_room_entry(
+            joined_users = await self.store.get_users_in_room(room_id)
+            entry = await self.room_list_handler.generate_room_entry(
                 room_id, len(joined_users), with_alias=False, allow_private=True
             )
             entry = dict(entry)  # so we don't change whats cached
@@ -130,7 +126,7 @@ class GroupsServerWorkerHandler(object):
             user_id = entry["user_id"]
 
             if not self.is_mine_id(requester_user_id):
-                attestation = yield self.store.get_remote_attestation(group_id, user_id)
+                attestation = await self.store.get_remote_attestation(group_id, user_id)
                 if not attestation:
                     continue
 
@@ -140,12 +136,12 @@ class GroupsServerWorkerHandler(object):
                     group_id, user_id
                 )
 
-            user_profile = yield self.profile_handler.get_profile_from_cache(user_id)
+            user_profile = await self.profile_handler.get_profile_from_cache(user_id)
             entry.update(user_profile)
 
         users.sort(key=lambda e: e.get("order", 0))
 
-        membership_info = yield self.store.get_users_membership_info_in_group(
+        membership_info = await self.store.get_users_membership_info_in_group(
             group_id, requester_user_id
         )
 
@@ -164,22 +160,20 @@ class GroupsServerWorkerHandler(object):
             "user": membership_info,
         }
 
-    @defer.inlineCallbacks
-    def get_group_categories(self, group_id, requester_user_id):
+    async def get_group_categories(self, group_id, requester_user_id):
         """Get all categories in a group (as seen by user)
         """
-        yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
+        await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
 
-        categories = yield self.store.get_group_categories(group_id=group_id)
+        categories = await self.store.get_group_categories(group_id=group_id)
         return {"categories": categories}
 
-    @defer.inlineCallbacks
-    def get_group_category(self, group_id, requester_user_id, category_id):
+    async def get_group_category(self, group_id, requester_user_id, category_id):
         """Get a specific category in a group (as seen by user)
         """
-        yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
+        await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
 
-        res = yield self.store.get_group_category(
+        res = await self.store.get_group_category(
             group_id=group_id, category_id=category_id
         )
 
@@ -187,32 +181,29 @@ class GroupsServerWorkerHandler(object):
 
         return res
 
-    @defer.inlineCallbacks
-    def get_group_roles(self, group_id, requester_user_id):
+    async def get_group_roles(self, group_id, requester_user_id):
         """Get all roles in a group (as seen by user)
         """
-        yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
+        await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
 
-        roles = yield self.store.get_group_roles(group_id=group_id)
+        roles = await self.store.get_group_roles(group_id=group_id)
         return {"roles": roles}
 
-    @defer.inlineCallbacks
-    def get_group_role(self, group_id, requester_user_id, role_id):
+    async def get_group_role(self, group_id, requester_user_id, role_id):
         """Get a specific role in a group (as seen by user)
         """
-        yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
+        await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
 
-        res = yield self.store.get_group_role(group_id=group_id, role_id=role_id)
+        res = await self.store.get_group_role(group_id=group_id, role_id=role_id)
         return res
 
-    @defer.inlineCallbacks
-    def get_group_profile(self, group_id, requester_user_id):
+    async def get_group_profile(self, group_id, requester_user_id):
         """Get the group profile as seen by requester_user_id
         """
 
-        yield self.check_group_is_ours(group_id, requester_user_id)
+        await self.check_group_is_ours(group_id, requester_user_id)
 
-        group = yield self.store.get_group(group_id)
+        group = await self.store.get_group(group_id)
 
         if group:
             cols = [
@@ -229,20 +220,19 @@ class GroupsServerWorkerHandler(object):
         else:
             raise SynapseError(404, "Unknown group")
 
-    @defer.inlineCallbacks
-    def get_users_in_group(self, group_id, requester_user_id):
+    async def get_users_in_group(self, group_id, requester_user_id):
         """Get the users in group as seen by requester_user_id.
 
         The ordering is arbitrary at the moment
         """
 
-        yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
+        await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
 
-        is_user_in_group = yield self.store.is_user_in_group(
+        is_user_in_group = await self.store.is_user_in_group(
             requester_user_id, group_id
         )
 
-        user_results = yield self.store.get_users_in_group(
+        user_results = await self.store.get_users_in_group(
             group_id, include_private=is_user_in_group
         )
 
@@ -254,14 +244,14 @@ class GroupsServerWorkerHandler(object):
 
             entry = {"user_id": g_user_id}
 
-            profile = yield self.profile_handler.get_profile_from_cache(g_user_id)
+            profile = await self.profile_handler.get_profile_from_cache(g_user_id)
             entry.update(profile)
 
             entry["is_public"] = bool(is_public)
             entry["is_privileged"] = bool(is_privileged)
 
             if not self.is_mine_id(g_user_id):
-                attestation = yield self.store.get_remote_attestation(
+                attestation = await self.store.get_remote_attestation(
                     group_id, g_user_id
                 )
                 if not attestation:
@@ -279,30 +269,29 @@ class GroupsServerWorkerHandler(object):
 
         return {"chunk": chunk, "total_user_count_estimate": len(user_results)}
 
-    @defer.inlineCallbacks
-    def get_invited_users_in_group(self, group_id, requester_user_id):
+    async def get_invited_users_in_group(self, group_id, requester_user_id):
         """Get the users that have been invited to a group as seen by requester_user_id.
 
         The ordering is arbitrary at the moment
         """
 
-        yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
+        await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
 
-        is_user_in_group = yield self.store.is_user_in_group(
+        is_user_in_group = await self.store.is_user_in_group(
             requester_user_id, group_id
         )
 
         if not is_user_in_group:
             raise SynapseError(403, "User not in group")
 
-        invited_users = yield self.store.get_invited_users_in_group(group_id)
+        invited_users = await self.store.get_invited_users_in_group(group_id)
 
         user_profiles = []
 
         for user_id in invited_users:
             user_profile = {"user_id": user_id}
             try:
-                profile = yield self.profile_handler.get_profile_from_cache(user_id)
+                profile = await self.profile_handler.get_profile_from_cache(user_id)
                 user_profile.update(profile)
             except Exception as e:
                 logger.warning("Error getting profile for %s: %s", user_id, e)
@@ -310,20 +299,19 @@ class GroupsServerWorkerHandler(object):
 
         return {"chunk": user_profiles, "total_user_count_estimate": len(invited_users)}
 
-    @defer.inlineCallbacks
-    def get_rooms_in_group(self, group_id, requester_user_id):
+    async def get_rooms_in_group(self, group_id, requester_user_id):
         """Get the rooms in group as seen by requester_user_id
 
         This returns rooms in order of decreasing number of joined users
         """
 
-        yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
+        await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
 
-        is_user_in_group = yield self.store.is_user_in_group(
+        is_user_in_group = await self.store.is_user_in_group(
             requester_user_id, group_id
         )
 
-        room_results = yield self.store.get_rooms_in_group(
+        room_results = await self.store.get_rooms_in_group(
             group_id, include_private=is_user_in_group
         )
 
@@ -331,8 +319,8 @@ class GroupsServerWorkerHandler(object):
         for room_result in room_results:
             room_id = room_result["room_id"]
 
-            joined_users = yield self.store.get_users_in_room(room_id)
-            entry = yield self.room_list_handler.generate_room_entry(
+            joined_users = await self.store.get_users_in_room(room_id)
+            entry = await self.room_list_handler.generate_room_entry(
                 room_id, len(joined_users), with_alias=False, allow_private=True
             )
 
@@ -355,13 +343,12 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
         # Ensure attestations get renewed
         hs.get_groups_attestation_renewer()
 
-    @defer.inlineCallbacks
-    def update_group_summary_room(
+    async def update_group_summary_room(
         self, group_id, requester_user_id, room_id, category_id, content
     ):
         """Add/update a room to the group summary
         """
-        yield self.check_group_is_ours(
+        await self.check_group_is_ours(
             group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
         )
 
@@ -371,7 +358,7 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
 
         is_public = _parse_visibility_from_contents(content)
 
-        yield self.store.add_room_to_summary(
+        await self.store.add_room_to_summary(
             group_id=group_id,
             room_id=room_id,
             category_id=category_id,
@@ -381,31 +368,29 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
 
         return {}
 
-    @defer.inlineCallbacks
-    def delete_group_summary_room(
+    async def delete_group_summary_room(
         self, group_id, requester_user_id, room_id, category_id
     ):
         """Remove a room from the summary
         """
-        yield self.check_group_is_ours(
+        await self.check_group_is_ours(
             group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
         )
 
-        yield self.store.remove_room_from_summary(
+        await self.store.remove_room_from_summary(
             group_id=group_id, room_id=room_id, category_id=category_id
         )
 
         return {}
 
-    @defer.inlineCallbacks
-    def set_group_join_policy(self, group_id, requester_user_id, content):
+    async def set_group_join_policy(self, group_id, requester_user_id, content):
         """Sets the group join policy.
 
         Currently supported policies are:
          - "invite": an invite must be received and accepted in order to join.
          - "open": anyone can join.
         """
-        yield self.check_group_is_ours(
+        await self.check_group_is_ours(
             group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
         )
 
@@ -413,22 +398,23 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
         if join_policy is None:
             raise SynapseError(400, "No value specified for 'm.join_policy'")
 
-        yield self.store.set_group_join_policy(group_id, join_policy=join_policy)
+        await self.store.set_group_join_policy(group_id, join_policy=join_policy)
 
         return {}
 
-    @defer.inlineCallbacks
-    def update_group_category(self, group_id, requester_user_id, category_id, content):
+    async def update_group_category(
+        self, group_id, requester_user_id, category_id, content
+    ):
         """Add/Update a group category
         """
-        yield self.check_group_is_ours(
+        await self.check_group_is_ours(
             group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
         )
 
         is_public = _parse_visibility_from_contents(content)
         profile = content.get("profile")
 
-        yield self.store.upsert_group_category(
+        await self.store.upsert_group_category(
             group_id=group_id,
             category_id=category_id,
             is_public=is_public,
@@ -437,25 +423,23 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
 
         return {}
 
-    @defer.inlineCallbacks
-    def delete_group_category(self, group_id, requester_user_id, category_id):
+    async def delete_group_category(self, group_id, requester_user_id, category_id):
         """Delete a group category
         """
-        yield self.check_group_is_ours(
+        await self.check_group_is_ours(
             group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
         )
 
-        yield self.store.remove_group_category(
+        await self.store.remove_group_category(
             group_id=group_id, category_id=category_id
         )
 
         return {}
 
-    @defer.inlineCallbacks
-    def update_group_role(self, group_id, requester_user_id, role_id, content):
+    async def update_group_role(self, group_id, requester_user_id, role_id, content):
         """Add/update a role in a group
         """
-        yield self.check_group_is_ours(
+        await self.check_group_is_ours(
             group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
         )
 
@@ -463,31 +447,29 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
 
         profile = content.get("profile")
 
-        yield self.store.upsert_group_role(
+        await self.store.upsert_group_role(
             group_id=group_id, role_id=role_id, is_public=is_public, profile=profile
         )
 
         return {}
 
-    @defer.inlineCallbacks
-    def delete_group_role(self, group_id, requester_user_id, role_id):
+    async def delete_group_role(self, group_id, requester_user_id, role_id):
         """Remove role from group
         """
-        yield self.check_group_is_ours(
+        await self.check_group_is_ours(
             group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
         )
 
-        yield self.store.remove_group_role(group_id=group_id, role_id=role_id)
+        await self.store.remove_group_role(group_id=group_id, role_id=role_id)
 
         return {}
 
-    @defer.inlineCallbacks
-    def update_group_summary_user(
+    async def update_group_summary_user(
         self, group_id, requester_user_id, user_id, role_id, content
     ):
         """Add/update a users entry in the group summary
         """
-        yield self.check_group_is_ours(
+        await self.check_group_is_ours(
             group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
         )
 
@@ -495,7 +477,7 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
 
         is_public = _parse_visibility_from_contents(content)
 
-        yield self.store.add_user_to_summary(
+        await self.store.add_user_to_summary(
             group_id=group_id,
             user_id=user_id,
             role_id=role_id,
@@ -505,25 +487,25 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
 
         return {}
 
-    @defer.inlineCallbacks
-    def delete_group_summary_user(self, group_id, requester_user_id, user_id, role_id):
+    async def delete_group_summary_user(
+        self, group_id, requester_user_id, user_id, role_id
+    ):
         """Remove a user from the group summary
         """
-        yield self.check_group_is_ours(
+        await self.check_group_is_ours(
             group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
         )
 
-        yield self.store.remove_user_from_summary(
+        await self.store.remove_user_from_summary(
             group_id=group_id, user_id=user_id, role_id=role_id
         )
 
         return {}
 
-    @defer.inlineCallbacks
-    def update_group_profile(self, group_id, requester_user_id, content):
+    async def update_group_profile(self, group_id, requester_user_id, content):
         """Update the group profile
         """
-        yield self.check_group_is_ours(
+        await self.check_group_is_ours(
             group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
         )
 
@@ -535,40 +517,38 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
                     raise SynapseError(400, "%r value is not a string" % (keyname,))
                 profile[keyname] = value
 
-        yield self.store.update_group_profile(group_id, profile)
+        await self.store.update_group_profile(group_id, profile)
 
-    @defer.inlineCallbacks
-    def add_room_to_group(self, group_id, requester_user_id, room_id, content):
+    async def add_room_to_group(self, group_id, requester_user_id, room_id, content):
         """Add room to group
         """
         RoomID.from_string(room_id)  # Ensure valid room id
 
-        yield self.check_group_is_ours(
+        await self.check_group_is_ours(
             group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
         )
 
         is_public = _parse_visibility_from_contents(content)
 
-        yield self.store.add_room_to_group(group_id, room_id, is_public=is_public)
+        await self.store.add_room_to_group(group_id, room_id, is_public=is_public)
 
         return {}
 
-    @defer.inlineCallbacks
-    def update_room_in_group(
+    async def update_room_in_group(
         self, group_id, requester_user_id, room_id, config_key, content
     ):
         """Update room in group
         """
         RoomID.from_string(room_id)  # Ensure valid room id
 
-        yield self.check_group_is_ours(
+        await self.check_group_is_ours(
             group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
         )
 
         if config_key == "m.visibility":
             is_public = _parse_visibility_dict(content)
 
-            yield self.store.update_room_in_group_visibility(
+            await self.store.update_room_in_group_visibility(
                 group_id, room_id, is_public=is_public
             )
         else:
@@ -576,36 +556,34 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
 
         return {}
 
-    @defer.inlineCallbacks
-    def remove_room_from_group(self, group_id, requester_user_id, room_id):
+    async def remove_room_from_group(self, group_id, requester_user_id, room_id):
         """Remove room from group
         """
-        yield self.check_group_is_ours(
+        await self.check_group_is_ours(
             group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
         )
 
-        yield self.store.remove_room_from_group(group_id, room_id)
+        await self.store.remove_room_from_group(group_id, room_id)
 
         return {}
 
-    @defer.inlineCallbacks
-    def invite_to_group(self, group_id, user_id, requester_user_id, content):
+    async def invite_to_group(self, group_id, user_id, requester_user_id, content):
         """Invite user to group
         """
 
-        group = yield self.check_group_is_ours(
+        group = await self.check_group_is_ours(
             group_id, requester_user_id, and_exists=True, and_is_admin=requester_user_id
         )
 
         # TODO: Check if user knocked
 
-        invited_users = yield self.store.get_invited_users_in_group(group_id)
+        invited_users = await self.store.get_invited_users_in_group(group_id)
         if user_id in invited_users:
             raise SynapseError(
                 400, "User already invited to group", errcode=Codes.BAD_STATE
             )
 
-        user_results = yield self.store.get_users_in_group(
+        user_results = await self.store.get_users_in_group(
             group_id, include_private=True
         )
         if user_id in (user_result["user_id"] for user_result in user_results):
@@ -618,18 +596,18 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
 
         if self.hs.is_mine_id(user_id):
             groups_local = self.hs.get_groups_local_handler()
-            res = yield groups_local.on_invite(group_id, user_id, content)
+            res = await groups_local.on_invite(group_id, user_id, content)
             local_attestation = None
         else:
             local_attestation = self.attestations.create_attestation(group_id, user_id)
             content.update({"attestation": local_attestation})
 
-            res = yield self.transport_client.invite_to_group_notification(
+            res = await self.transport_client.invite_to_group_notification(
                 get_domain_from_id(user_id), group_id, user_id, content
             )
 
             user_profile = res.get("user_profile", {})
-            yield self.store.add_remote_profile_cache(
+            await self.store.add_remote_profile_cache(
                 user_id,
                 displayname=user_profile.get("displayname"),
                 avatar_url=user_profile.get("avatar_url"),
@@ -639,13 +617,13 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
             if not self.hs.is_mine_id(user_id):
                 remote_attestation = res["attestation"]
 
-                yield self.attestations.verify_attestation(
+                await self.attestations.verify_attestation(
                     remote_attestation, user_id=user_id, group_id=group_id
                 )
             else:
                 remote_attestation = None
 
-            yield self.store.add_user_to_group(
+            await self.store.add_user_to_group(
                 group_id,
                 user_id,
                 is_admin=False,
@@ -654,15 +632,14 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
                 remote_attestation=remote_attestation,
             )
         elif res["state"] == "invite":
-            yield self.store.add_group_invite(group_id, user_id)
+            await self.store.add_group_invite(group_id, user_id)
             return {"state": "invite"}
         elif res["state"] == "reject":
             return {"state": "reject"}
         else:
             raise SynapseError(502, "Unknown state returned by HS")
 
-    @defer.inlineCallbacks
-    def _add_user(self, group_id, user_id, content):
+    async def _add_user(self, group_id, user_id, content):
         """Add a user to a group based on a content dict.
 
         See accept_invite, join_group.
@@ -672,7 +649,7 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
 
             remote_attestation = content["attestation"]
 
-            yield self.attestations.verify_attestation(
+            await self.attestations.verify_attestation(
                 remote_attestation, user_id=user_id, group_id=group_id
             )
         else:
@@ -681,7 +658,7 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
 
         is_public = _parse_visibility_from_contents(content)
 
-        yield self.store.add_user_to_group(
+        await self.store.add_user_to_group(
             group_id,
             user_id,
             is_admin=False,
@@ -692,59 +669,55 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
 
         return local_attestation
 
-    @defer.inlineCallbacks
-    def accept_invite(self, group_id, requester_user_id, content):
+    async def accept_invite(self, group_id, requester_user_id, content):
         """User tries to accept an invite to the group.
 
         This is different from them asking to join, and so should error if no
         invite exists (and they're not a member of the group)
         """
 
-        yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
+        await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
 
-        is_invited = yield self.store.is_user_invited_to_local_group(
+        is_invited = await self.store.is_user_invited_to_local_group(
             group_id, requester_user_id
         )
         if not is_invited:
             raise SynapseError(403, "User not invited to group")
 
-        local_attestation = yield self._add_user(group_id, requester_user_id, content)
+        local_attestation = await self._add_user(group_id, requester_user_id, content)
 
         return {"state": "join", "attestation": local_attestation}
 
-    @defer.inlineCallbacks
-    def join_group(self, group_id, requester_user_id, content):
+    async def join_group(self, group_id, requester_user_id, content):
         """User tries to join the group.
 
         This will error if the group requires an invite/knock to join
         """
 
-        group_info = yield self.check_group_is_ours(
+        group_info = await self.check_group_is_ours(
             group_id, requester_user_id, and_exists=True
         )
         if group_info["join_policy"] != "open":
             raise SynapseError(403, "Group is not publicly joinable")
 
-        local_attestation = yield self._add_user(group_id, requester_user_id, content)
+        local_attestation = await self._add_user(group_id, requester_user_id, content)
 
         return {"state": "join", "attestation": local_attestation}
 
-    @defer.inlineCallbacks
-    def knock(self, group_id, requester_user_id, content):
+    async def knock(self, group_id, requester_user_id, content):
         """A user requests becoming a member of the group
         """
-        yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
+        await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
 
         raise NotImplementedError()
 
-    @defer.inlineCallbacks
-    def accept_knock(self, group_id, requester_user_id, content):
+    async def accept_knock(self, group_id, requester_user_id, content):
         """Accept a users knock to the room.
 
         Errors if the user hasn't knocked, rather than inviting them.
         """
 
-        yield self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
+        await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)
 
         raise NotImplementedError()
 
@@ -872,8 +845,6 @@ class GroupsServerHandler(GroupsServerWorkerHandler):
             group_id (str)
             request_user_id (str)
 
-        Returns:
-            Deferred
         """
 
         await self.check_group_is_ours(group_id, requester_user_id, and_exists=True)