diff options
Diffstat (limited to 'synapse/handlers')
| -rw-r--r-- | synapse/handlers/user_directory.py | 135 |
1 files changed, 78 insertions, 57 deletions
diff --git a/synapse/handlers/user_directory.py b/synapse/handlers/user_directory.py index 8810f048ba..52b2de388f 100644 --- a/synapse/handlers/user_directory.py +++ b/synapse/handlers/user_directory.py @@ -196,63 +196,12 @@ class UserDirectoryHandler(StateDeltasHandler): room_id, prev_event_id, event_id, typ ) elif typ == EventTypes.Member: - change = await self._get_key_change( + await self._handle_room_membership_event( + room_id, prev_event_id, event_id, - key_name="membership", - public_value=Membership.JOIN, + state_key, ) - - is_remote = not self.is_mine_id(state_key) - if change is MatchChange.now_false: - # Need to check if the server left the room entirely, if so - # we might need to remove all the users in that room - is_in_room = await self.store.is_host_joined( - room_id, self.server_name - ) - if not is_in_room: - logger.debug("Server left room: %r", room_id) - # Fetch all the users that we marked as being in user - # directory due to being in the room and then check if - # need to remove those users or not - user_ids = await self.store.get_users_in_dir_due_to_room( - room_id - ) - - for user_id in user_ids: - await self._handle_remove_user(room_id, user_id) - continue - else: - logger.debug("Server is still in room: %r", room_id) - - include_in_dir = ( - is_remote - 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 for remote users. - # (For local users we are not forced to scan membership - # events; instead the rest of the application calls - # `handle_local_profile_change`.) - if is_remote: - await self._handle_profile_change( - state_key, room_id, prev_event_id, event_id - ) - continue - - if change is MatchChange.now_true: # The user joined - # This may be the first time we've seen a remote user. If - # so, ensure we have a directory entry for them. (We don't - # need to do this for local users: their directory entry - # is created at the point of registration. - if is_remote: - await self._upsert_directory_entry_for_remote_user( - state_key, event_id - ) - await self._track_user_joined_room(room_id, state_key) - else: # The user left - await self._handle_remove_user(room_id, state_key) else: logger.debug("Ignoring irrelevant type: %r", typ) @@ -326,6 +275,72 @@ class UserDirectoryHandler(StateDeltasHandler): for user_id in users_in_room: await self._track_user_joined_room(room_id, user_id) + async def _handle_room_membership_event( + self, + room_id: str, + prev_event_id: str, + event_id: str, + state_key: str, + ) -> None: + """Process a single room membershp event. + + We have to do two things: + + 1. Update the room-sharing tables. + This applies to remote users and non-excluded local users. + 2. Update the user_directory and user_directory_search tables. + This applies to remote users only, because we only become aware of + the (and any profile changes) by listening to these events. + The rest of the application knows exactly when local users are + created or their profile changed---it will directly call methods + on this class. + """ + joined = await self._get_key_change( + prev_event_id, + event_id, + key_name="membership", + public_value=Membership.JOIN, + ) + + # Both cases ignore excluded local users, so start by discarding them. + is_remote = not self.is_mine_id(state_key) + if not is_remote and not await self.store.should_include_local_user_in_dir( + state_key + ): + return + + if joined is MatchChange.now_false: + # Need to check if the server left the room entirely, if so + # we might need to remove all the users in that room + is_in_room = await self.store.is_host_joined(room_id, self.server_name) + if not is_in_room: + logger.debug("Server left room: %r", room_id) + # Fetch all the users that we marked as being in user + # directory due to being in the room and then check if + # need to remove those users or not + user_ids = await self.store.get_users_in_dir_due_to_room(room_id) + + for user_id in user_ids: + await self._handle_remove_user(room_id, user_id) + else: + logger.debug("Server is still in room: %r", room_id) + await self._handle_remove_user(room_id, state_key) + elif joined is MatchChange.no_change: + # Handle any profile changes for remote users. + # (For local users the rest of the application calls + # `handle_local_profile_change`.) + if is_remote: + await self._handle_possible_remote_profile_change( + state_key, room_id, prev_event_id, event_id + ) + elif joined is MatchChange.now_true: # The user joined + # This may be the first time we've seen a remote user. If + # so, ensure we have a directory entry for them. (For local users, + # the rest of the application calls `handle_local_profile_change`.) + if is_remote: + await self._upsert_directory_entry_for_remote_user(state_key, event_id) + await self._track_user_joined_room(room_id, state_key) + async def _upsert_directory_entry_for_remote_user( self, user_id: str, event_id: str ) -> None: @@ -386,7 +401,12 @@ class UserDirectoryHandler(StateDeltasHandler): await self.store.add_users_who_share_private_room(room_id, to_insert) async def _handle_remove_user(self, room_id: str, user_id: str) -> None: - """Called when we might need to remove user from directory + """Called when when someone leaves a room. The user may be local or remote. + + (If the person who left was the last local user in this room, the server + is no longer in the room. We call this function to forget that the remaining + remote users are in the room, even though they haven't left. So the name is + a little misleading!) Args: room_id: The room ID that user left or stopped being public that @@ -403,7 +423,7 @@ class UserDirectoryHandler(StateDeltasHandler): if len(rooms_user_is_in) == 0: await self.store.remove_from_user_dir(user_id) - async def _handle_profile_change( + async def _handle_possible_remote_profile_change( self, user_id: str, room_id: str, @@ -411,7 +431,8 @@ class UserDirectoryHandler(StateDeltasHandler): event_id: Optional[str], ) -> None: """Check member event changes for any profile changes and update the - database if there are. + database if there are. This is intended for remote users only. The caller + is responsible for checking that the given user is remote. """ if not prev_event_id or not event_id: return |