diff options
Diffstat (limited to 'synapse/handlers')
| -rw-r--r-- | synapse/handlers/_base.py | 57 | ||||
| -rw-r--r-- | synapse/handlers/federation.py | 10 | ||||
| -rw-r--r-- | synapse/handlers/message.py | 4 | ||||
| -rw-r--r-- | synapse/handlers/presence.py | 3 | ||||
| -rw-r--r-- | synapse/handlers/room.py | 24 | ||||
| -rw-r--r-- | synapse/handlers/sync.py | 18 |
6 files changed, 97 insertions, 19 deletions
diff --git a/synapse/handlers/_base.py b/synapse/handlers/_base.py index eef325a94b..f4ade1f594 100644 --- a/synapse/handlers/_base.py +++ b/synapse/handlers/_base.py @@ -175,6 +175,8 @@ class BaseHandler(object): if not suppress_auth: self.auth.check(event, auth_events=context.current_state) + yield self.maybe_kick_guest_users(event, context.current_state.values()) + if event.type == EventTypes.CanonicalAlias: # Check the alias is acually valid (at this time at least) room_alias_str = event.content.get("alias", None) @@ -282,3 +284,58 @@ class BaseHandler(object): federation_handler.handle_new_event( event, destinations=destinations, ) + + @defer.inlineCallbacks + def maybe_kick_guest_users(self, event, current_state): + # Technically this function invalidates current_state by changing it. + # Hopefully this isn't that important to the caller. + if event.type == EventTypes.GuestAccess: + guest_access = event.content.get("guest_access", "forbidden") + if guest_access != "can_join": + yield self.kick_guest_users(current_state) + + @defer.inlineCallbacks + def kick_guest_users(self, current_state): + for member_event in current_state: + try: + if member_event.type != EventTypes.Member: + continue + + if not self.hs.is_mine(UserID.from_string(member_event.state_key)): + continue + + if member_event.content["membership"] not in { + Membership.JOIN, + Membership.INVITE + }: + continue + + if ( + "kind" not in member_event.content + or member_event.content["kind"] != "guest" + ): + continue + + # We make the user choose to leave, rather than have the + # event-sender kick them. This is partially because we don't + # need to worry about power levels, and partially because guest + # users are a concept which doesn't hugely work over federation, + # and having homeservers have their own users leave keeps more + # of that decision-making and control local to the guest-having + # homeserver. + message_handler = self.hs.get_handlers().message_handler + yield message_handler.create_and_send_event( + { + "type": EventTypes.Member, + "state_key": member_event.state_key, + "content": { + "membership": Membership.LEAVE, + "kind": "guest" + }, + "room_id": member_event.room_id, + "sender": member_event.state_key + }, + ratelimit=False, + ) + except Exception as e: + logger.warn("Error kicking guest user: %s" % (e,)) diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index 872051b8b9..d1589334a5 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -1097,8 +1097,6 @@ class FederationHandler(BaseHandler): context = yield self._prep_event( origin, event, state=state, - backfilled=backfilled, - current_state=current_state, auth_events=auth_events, ) @@ -1121,7 +1119,6 @@ class FederationHandler(BaseHandler): origin, ev_info["event"], state=ev_info.get("state"), - backfilled=backfilled, auth_events=ev_info.get("auth_events"), ) for ev_info in event_infos @@ -1208,8 +1205,7 @@ class FederationHandler(BaseHandler): defer.returnValue((event_stream_id, max_stream_id)) @defer.inlineCallbacks - def _prep_event(self, origin, event, state=None, backfilled=False, - current_state=None, auth_events=None): + def _prep_event(self, origin, event, state=None, auth_events=None): outlier = event.internal_metadata.is_outlier() context = yield self.state_handler.compute_event_context( @@ -1242,6 +1238,10 @@ class FederationHandler(BaseHandler): context.rejected = RejectedReason.AUTH_ERROR + if event.type == EventTypes.GuestAccess: + full_context = yield self.store.get_current_state(room_id=event.room_id) + yield self.maybe_kick_guest_users(event, full_context) + defer.returnValue(context) @defer.inlineCallbacks diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 654ecd2b37..7d31ff8d46 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -167,7 +167,7 @@ class MessageHandler(BaseHandler): @defer.inlineCallbacks def create_and_send_event(self, event_dict, ratelimit=True, - token_id=None, txn_id=None): + token_id=None, txn_id=None, is_guest=False): """ Given a dict from a client, create and handle a new event. Creates an FrozenEvent object, filling out auth_events, prev_events, @@ -213,7 +213,7 @@ class MessageHandler(BaseHandler): if event.type == EventTypes.Member: member_handler = self.hs.get_handlers().room_member_handler - yield member_handler.change_membership(event, context) + yield member_handler.change_membership(event, context, is_guest=is_guest) else: yield self.handle_new_client_event( event=event, diff --git a/synapse/handlers/presence.py b/synapse/handlers/presence.py index 0b780cd528..aca65096fc 100644 --- a/synapse/handlers/presence.py +++ b/synapse/handlers/presence.py @@ -950,7 +950,8 @@ class PresenceHandler(BaseHandler): ) while len(self._remote_offline_serials) > MAX_OFFLINE_SERIALS: self._remote_offline_serials.pop() # remove the oldest - del self._user_cachemap[user] + if user in self._user_cachemap: + del self._user_cachemap[user] else: # Remove the user from remote_offline_serials now that they're # no longer offline diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index 8cce8d0e99..7d18218cd9 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -369,7 +369,7 @@ class RoomMemberHandler(BaseHandler): remotedomains.add(member.domain) @defer.inlineCallbacks - def change_membership(self, event, context, do_auth=True): + def change_membership(self, event, context, do_auth=True, is_guest=False): """ Change the membership status of a user in a room. Args: @@ -390,6 +390,20 @@ class RoomMemberHandler(BaseHandler): # if this HS is not currently in the room, i.e. we have to do the # invite/join dance. if event.membership == Membership.JOIN: + if is_guest: + guest_access = context.current_state.get( + (EventTypes.GuestAccess, ""), + None + ) + is_guest_access_allowed = ( + guest_access + and guest_access.content + and "guest_access" in guest_access.content + and guest_access.content["guest_access"] == "can_join" + ) + if not is_guest_access_allowed: + raise AuthError(403, "Guest access not allowed") + yield self._do_join(event, context, do_auth=do_auth) else: if event.membership == Membership.LEAVE: @@ -582,7 +596,6 @@ class RoomMemberHandler(BaseHandler): medium, address, id_server, - display_name, token_id, txn_id ): @@ -609,7 +622,6 @@ class RoomMemberHandler(BaseHandler): else: yield self._make_and_store_3pid_invite( id_server, - display_name, medium, address, room_id, @@ -673,7 +685,6 @@ class RoomMemberHandler(BaseHandler): def _make_and_store_3pid_invite( self, id_server, - display_name, medium, address, room_id, @@ -681,7 +692,7 @@ class RoomMemberHandler(BaseHandler): token_id, txn_id ): - token, public_key, key_validity_url = ( + token, public_key, key_validity_url, display_name = ( yield self._ask_id_server_for_third_party_invite( id_server, medium, @@ -725,10 +736,11 @@ class RoomMemberHandler(BaseHandler): # TODO: Check for success token = data["token"] public_key = data["public_key"] + display_name = data["display_name"] key_validity_url = "%s%s/_matrix/identity/api/v1/pubkey/isvalid" % ( id_server_scheme, id_server, ) - defer.returnValue((token, public_key, key_validity_url)) + defer.returnValue((token, public_key, key_validity_url, display_name)) class RoomListHandler(BaseHandler): diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py index 5294d96466..492c1c17d5 100644 --- a/synapse/handlers/sync.py +++ b/synapse/handlers/sync.py @@ -272,7 +272,7 @@ class SyncHandler(BaseHandler): def private_user_data_for_room(self, room_id, tags_by_room): private_user_data = [] tags = tags_by_room.get(room_id) - if tags: + if tags is not None: private_user_data.append({ "type": "m.tag", "content": {"tags": tags}, @@ -311,8 +311,13 @@ class SyncHandler(BaseHandler): ephemeral_by_room = {} for event in typing: - room_id = event.pop("room_id") - ephemeral_by_room.setdefault(room_id, []).append(event) + # we want to exclude the room_id from the event, but modifying the + # result returned by the event source is poor form (it might cache + # the object) + room_id = event["room_id"] + event_copy = {k: v for (k, v) in event.iteritems() + if k != "room_id"} + ephemeral_by_room.setdefault(room_id, []).append(event_copy) receipt_key = since_token.receipt_key if since_token else "0" @@ -328,8 +333,11 @@ class SyncHandler(BaseHandler): now_token = now_token.copy_and_replace("receipt_key", receipt_key) for event in receipts: - room_id = event.pop("room_id") - ephemeral_by_room.setdefault(room_id, []).append(event) + room_id = event["room_id"] + # exclude room id, as above + event_copy = {k: v for (k, v) in event.iteritems() + if k != "room_id"} + ephemeral_by_room.setdefault(room_id, []).append(event_copy) defer.returnValue((now_token, ephemeral_by_room)) |