diff options
Diffstat (limited to 'synapse/module_api')
| -rw-r--r-- | synapse/module_api/__init__.py | 100 |
1 files changed, 99 insertions, 1 deletions
diff --git a/synapse/module_api/__init__.py b/synapse/module_api/__init__.py index d707a9325d..36042ed2e0 100644 --- a/synapse/module_api/__init__.py +++ b/synapse/module_api/__init__.py @@ -33,6 +33,7 @@ import jinja2 from twisted.internet import defer from twisted.web.resource import IResource +from synapse.api.errors import SynapseError from synapse.events import EventBase from synapse.events.presence_router import PresenceRouter from synapse.http.client import SimpleHttpClient @@ -625,8 +626,105 @@ class ModuleApi: state = yield defer.ensureDeferred(self._store.get_events(state_ids.values())) return state.values() + async def update_room_membership( + self, + sender: str, + target: str, + room_id: str, + new_membership: str, + content: Optional[JsonDict] = None, + ) -> EventBase: + """Updates the membership of a user to the given value. + + Added in Synapse v1.46.0. + + Args: + sender: The user performing the membership change. Must be a user local to + this homeserver. + target: The user whose membership is changing. This is often the same value + as `sender`, but it might differ in some cases (e.g. when kicking a user, + the `sender` is the user performing the kick and the `target` is the user + being kicked). + room_id: The room in which to change the membership. + new_membership: The new membership state of `target` after this operation. See + https://spec.matrix.org/unstable/client-server-api/#mroommember for the + list of allowed values. + content: Additional values to include in the resulting event's content. + + Returns: + The newly created membership event. + + Raises: + RuntimeError if the `sender` isn't a local user. + ShadowBanError if a shadow-banned requester attempts to send an invite. + SynapseError if the module attempts to send a membership event that isn't + allowed, either by the server's configuration (e.g. trying to set a + per-room display name that's too long) or by the validation rules around + membership updates (e.g. the `membership` value is invalid). + """ + if not self.is_mine(sender): + raise RuntimeError( + "Tried to send an event as a user that isn't local to this homeserver", + ) + + requester = create_requester(sender) + target_user_id = UserID.from_string(target) + + if content is None: + content = {} + + # Set the profile if not already done by the module. + if "avatar_url" not in content or "displayname" not in content: + try: + # Try to fetch the user's profile. + profile = await self._hs.get_profile_handler().get_profile( + target_user_id.to_string(), + ) + except SynapseError as e: + # If the profile couldn't be found, use default values. + profile = { + "displayname": target_user_id.localpart, + "avatar_url": None, + } + + if e.code != 404: + # If the error isn't 404, it means we tried to fetch the profile over + # federation but the remote server responded with a non-standard + # status code. + logger.error( + "Got non-404 error status when fetching profile for %s", + target_user_id.to_string(), + ) + + # Set the profile where it needs to be set. + if "avatar_url" not in content: + content["avatar_url"] = profile["avatar_url"] + + if "displayname" not in content: + content["displayname"] = profile["displayname"] + + event_id, _ = await self._hs.get_room_member_handler().update_membership( + requester=requester, + target=target_user_id, + room_id=room_id, + action=new_membership, + content=content, + ) + + # Try to retrieve the resulting event. + event = await self._hs.get_datastore().get_event(event_id) + + # update_membership is supposed to always return after the event has been + # successfully persisted. + assert event is not None + + return event + async def create_and_send_event_into_room(self, event_dict: JsonDict) -> EventBase: - """Create and send an event into a room. Membership events are currently not supported. + """Create and send an event into a room. + + Membership events are not supported by this method. To update a user's membership + in a room, please use the `update_room_membership` method instead. Added in Synapse v1.22.0. |