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-rw-r--r--synapse/handlers/room_member.py98
1 files changed, 69 insertions, 29 deletions
diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py

index 619252b761..cfd6efd1fc 100644 --- a/synapse/handlers/room_member.py +++ b/synapse/handlers/room_member.py
@@ -17,7 +17,7 @@ import abc import logging -from typing import Dict, Iterable, List, Optional, Tuple, Union +from typing import Dict, Iterable, List, Optional, Tuple from six.moves import http_client @@ -26,6 +26,9 @@ from synapse.api.constants import EventTypes, Membership from synapse.api.errors import AuthError, Codes, SynapseError from synapse.events import EventBase from synapse.events.snapshot import EventContext +from synapse.replication.http.membership import ( + ReplicationLocallyRejectInviteRestServlet, +) from synapse.types import Collection, Requester, RoomAlias, RoomID, UserID from synapse.util.async_helpers import Linearizer from synapse.util.distributor import user_joined_room, user_left_room @@ -44,11 +47,6 @@ class RoomMemberHandler(object): __metaclass__ = abc.ABCMeta def __init__(self, hs): - """ - - Args: - hs (synapse.server.HomeServer): - """ self.hs = hs self.store = hs.get_datastore() self.auth = hs.get_auth() @@ -72,6 +70,17 @@ class RoomMemberHandler(object): self._enable_lookup = hs.config.enable_3pid_lookup self.allow_per_room_profiles = self.config.allow_per_room_profiles + self._event_stream_writer_instance = hs.config.worker.writers.events + self._is_on_event_persistence_instance = ( + self._event_stream_writer_instance == hs.get_instance_name() + ) + if self._is_on_event_persistence_instance: + self.persist_event_storage = hs.get_storage().persistence + else: + self._locally_reject_client = ReplicationLocallyRejectInviteRestServlet.make_client( + hs + ) + # This is only used to get at ratelimit function, and # maybe_kick_guest_users. It's fine there are multiple of these as # it doesn't store state. @@ -85,7 +94,7 @@ class RoomMemberHandler(object): room_id: str, user: UserID, content: dict, - ) -> Optional[dict]: + ) -> Tuple[str, int]: """Try and join a room that this server is not in Args: @@ -105,7 +114,7 @@ class RoomMemberHandler(object): room_id: str, target: UserID, content: dict, - ) -> dict: + ) -> Tuple[Optional[str], int]: """Attempt to reject an invite for a room this server is not in. If we fail to do so we locally mark the invite as rejected. @@ -122,6 +131,22 @@ class RoomMemberHandler(object): """ raise NotImplementedError() + async def locally_reject_invite(self, user_id: str, room_id: str) -> int: + """Mark the invite has having been rejected even though we failed to + create a leave event for it. + """ + if self._is_on_event_persistence_instance: + return await self.persist_event_storage.locally_reject_invite( + user_id, room_id + ) + else: + result = await self._locally_reject_client( + instance_name=self._event_stream_writer_instance, + user_id=user_id, + room_id=room_id, + ) + return result["stream_id"] + @abc.abstractmethod async def _user_joined_room(self, target: UserID, room_id: str) -> None: """Notifies distributor on master process that the user has joined the @@ -155,7 +180,7 @@ class RoomMemberHandler(object): ratelimit: bool = True, content: Optional[dict] = None, require_consent: bool = True, - ) -> EventBase: + ) -> Tuple[str, int]: user_id = target.to_string() if content is None: @@ -188,9 +213,10 @@ class RoomMemberHandler(object): ) if duplicate is not None: # Discard the new event since this membership change is a no-op. - return duplicate + _, stream_id = await self.store.get_event_ordering(duplicate.event_id) + return duplicate.event_id, stream_id - await self.event_creation_handler.handle_new_client_event( + stream_id = await self.event_creation_handler.handle_new_client_event( requester, event, context, extra_users=[target], ratelimit=ratelimit ) @@ -214,7 +240,7 @@ class RoomMemberHandler(object): if prev_member_event.membership == Membership.JOIN: await self._user_left_room(target, room_id) - return event + return event.event_id, stream_id async def copy_room_tags_and_direct_to_room( self, old_room_id, new_room_id, user_id @@ -264,7 +290,7 @@ class RoomMemberHandler(object): ratelimit: bool = True, content: Optional[dict] = None, require_consent: bool = True, - ) -> Union[EventBase, Optional[dict]]: + ) -> Tuple[Optional[str], int]: key = (room_id,) as_id = object() @@ -314,7 +340,7 @@ class RoomMemberHandler(object): ratelimit: bool = True, content: Optional[dict] = None, require_consent: bool = True, - ) -> Union[EventBase, Optional[dict]]: + ) -> Tuple[Optional[str], int]: content_specified = bool(content) if content is None: content = {} @@ -418,7 +444,13 @@ class RoomMemberHandler(object): same_membership = old_membership == effective_membership_state same_sender = requester.user.to_string() == old_state.sender if same_sender and same_membership and same_content: - return old_state + _, stream_id = await self.store.get_event_ordering( + old_state.event_id + ) + return ( + old_state.event_id, + stream_id, + ) if old_membership in ["ban", "leave"] and action == "kick": raise AuthError(403, "The target user is not in the room") @@ -725,7 +757,7 @@ class RoomMemberHandler(object): requester: Requester, txn_id: Optional[str], id_access_token: Optional[str] = None, - ) -> None: + ) -> int: if self.config.block_non_admin_invites: is_requester_admin = await self.auth.is_server_admin(requester.user) if not is_requester_admin: @@ -757,11 +789,11 @@ class RoomMemberHandler(object): ) if invitee: - await self.update_membership( + _, stream_id = await self.update_membership( requester, UserID.from_string(invitee), room_id, "invite", txn_id=txn_id ) else: - await self._make_and_store_3pid_invite( + stream_id = await self._make_and_store_3pid_invite( requester, id_server, medium, @@ -772,6 +804,8 @@ class RoomMemberHandler(object): id_access_token=id_access_token, ) + return stream_id + async def _make_and_store_3pid_invite( self, requester: Requester, @@ -782,7 +816,7 @@ class RoomMemberHandler(object): user: UserID, txn_id: Optional[str], id_access_token: Optional[str] = None, - ) -> None: + ) -> int: room_state = await self.state_handler.get_current_state(room_id) inviter_display_name = "" @@ -837,7 +871,10 @@ class RoomMemberHandler(object): id_access_token=id_access_token, ) - await self.event_creation_handler.create_and_send_nonmember_event( + ( + event, + stream_id, + ) = await self.event_creation_handler.create_and_send_nonmember_event( requester, { "type": EventTypes.ThirdPartyInvite, @@ -855,6 +892,7 @@ class RoomMemberHandler(object): ratelimit=False, txn_id=txn_id, ) + return stream_id async def _is_host_in_room( self, current_state_ids: Dict[Tuple[str, str], str] @@ -936,7 +974,7 @@ class RoomMemberMasterHandler(RoomMemberHandler): room_id: str, user: UserID, content: dict, - ) -> None: + ) -> Tuple[str, int]: """Implements RoomMemberHandler._remote_join """ # filter ourselves out of remote_room_hosts: do_invite_join ignores it @@ -965,7 +1003,7 @@ class RoomMemberMasterHandler(RoomMemberHandler): # join dance for now, since we're kinda implicitly checking # that we are allowed to join when we decide whether or not we # need to do the invite/join dance. - await self.federation_handler.do_invite_join( + event_id, stream_id = await self.federation_handler.do_invite_join( remote_room_hosts, room_id, user.to_string(), content ) await self._user_joined_room(user, room_id) @@ -975,14 +1013,14 @@ class RoomMemberMasterHandler(RoomMemberHandler): if self.hs.config.limit_remote_rooms.enabled: if too_complex is False: # We checked, and we're under the limit. - return + return event_id, stream_id # Check again, but with the local state events too_complex = await self._is_local_room_too_complex(room_id) if too_complex is False: # We're under the limit. - return + return event_id, stream_id # The room is too large. Leave. requester = types.create_requester(user, None, False, None) @@ -995,6 +1033,8 @@ class RoomMemberMasterHandler(RoomMemberHandler): errcode=Codes.RESOURCE_LIMIT_EXCEEDED, ) + return event_id, stream_id + async def _remote_reject_invite( self, requester: Requester, @@ -1002,15 +1042,15 @@ class RoomMemberMasterHandler(RoomMemberHandler): room_id: str, target: UserID, content: dict, - ) -> dict: + ) -> Tuple[Optional[str], int]: """Implements RoomMemberHandler._remote_reject_invite """ fed_handler = self.federation_handler try: - ret = await fed_handler.do_remotely_reject_invite( + event, stream_id = await fed_handler.do_remotely_reject_invite( remote_room_hosts, room_id, target.to_string(), content=content, ) - return ret + return event.event_id, stream_id except Exception as e: # if we were unable to reject the exception, just mark # it as rejected on our end and plough ahead. @@ -1020,8 +1060,8 @@ class RoomMemberMasterHandler(RoomMemberHandler): # logger.warning("Failed to reject invite: %s", e) - await self.store.locally_reject_invite(target.to_string(), room_id) - return {} + stream_id = await self.locally_reject_invite(target.to_string(), room_id) + return None, stream_id async def _user_joined_room(self, target: UserID, room_id: str) -> None: """Implements RoomMemberHandler._user_joined_room