diff options
Diffstat (limited to 'synapse/handlers')
-rw-r--r-- | synapse/handlers/federation.py | 14 | ||||
-rw-r--r-- | synapse/handlers/message.py | 54 | ||||
-rw-r--r-- | synapse/handlers/room_member.py | 22 | ||||
-rw-r--r-- | synapse/handlers/sync.py | 39 |
4 files changed, 121 insertions, 8 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index 4669199b2d..18f87cad67 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -1074,6 +1074,9 @@ class FederationHandler(BaseHandler): if is_blocked: raise SynapseError(403, "This room has been blocked on this server") + if self.hs.config.block_non_admin_invites: + raise SynapseError(403, "This server does not accept room invites") + membership = event.content.get("membership") if event.type != EventTypes.Member or membership != Membership.INVITE: raise SynapseError(400, "The event was not an m.room.member invite event") @@ -2090,6 +2093,14 @@ class FederationHandler(BaseHandler): @defer.inlineCallbacks @log_function def on_exchange_third_party_invite_request(self, origin, room_id, event_dict): + """Handle an exchange_third_party_invite request from a remote server + + The remote server will call this when it wants to turn a 3pid invite + into a normal m.room.member invite. + + Returns: + Deferred: resolves (to None) + """ builder = self.event_builder_factory.new(event_dict) message_handler = self.hs.get_handlers().message_handler @@ -2108,9 +2119,12 @@ class FederationHandler(BaseHandler): raise e yield self._check_signature(event, context) + # XXX we send the invite here, but send_membership_event also sends it, + # so we end up making two requests. I think this is redundant. returned_invite = yield self.send_invite(origin, event) # TODO: Make sure the signatures actually are correct. event.signatures.update(returned_invite.signatures) + member_handler = self.hs.get_handlers().room_member_handler yield member_handler.send_membership_event(None, event, context) diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py index 5b8f20b73c..e22d4803b9 100644 --- a/synapse/handlers/message.py +++ b/synapse/handlers/message.py @@ -12,7 +12,6 @@ # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. - from twisted.internet import defer from synapse.api.constants import EventTypes, Membership @@ -59,6 +58,8 @@ class MessageHandler(BaseHandler): self.action_generator = hs.get_action_generator() + self.spam_checker = hs.get_spam_checker() + @defer.inlineCallbacks def purge_history(self, room_id, event_id): event = yield self.store.get_event(event_id) @@ -322,6 +323,12 @@ class MessageHandler(BaseHandler): token_id=requester.access_token_id, txn_id=txn_id ) + + if self.spam_checker.check_event_for_spam(event): + raise SynapseError( + 403, "Spam is not permitted here", Codes.FORBIDDEN + ) + yield self.send_nonmember_event( requester, event, @@ -413,6 +420,51 @@ class MessageHandler(BaseHandler): [serialize_event(c, now) for c in room_state.values()] ) + @defer.inlineCallbacks + def get_joined_members(self, requester, room_id): + """Get all the joined members in the room and their profile information. + + If the user has left the room return the state events from when they left. + + Args: + requester(Requester): The user requesting state events. + room_id(str): The room ID to get all state events from. + Returns: + A dict of user_id to profile info + """ + user_id = requester.user.to_string() + if not requester.app_service: + # We check AS auth after fetching the room membership, as it + # requires us to pull out all joined members anyway. + membership, _ = yield self._check_in_room_or_world_readable( + room_id, user_id + ) + if membership != Membership.JOIN: + raise NotImplementedError( + "Getting joined members after leaving is not implemented" + ) + + users_with_profile = yield self.state.get_current_user_in_room(room_id) + + # If this is an AS, double check that they are allowed to see the members. + # This can either be because the AS user is in the room or becuase there + # is a user in the room that the AS is "interested in" + if requester.app_service and user_id not in users_with_profile: + for uid in users_with_profile: + if requester.app_service.is_interested_in_user(uid): + break + else: + # Loop fell through, AS has no interested users in room + raise AuthError(403, "Appservice not in room") + + defer.returnValue({ + user_id: { + "avatar_url": profile.avatar_url, + "display_name": profile.display_name, + } + for user_id, profile in users_with_profile.iteritems() + }) + @measure_func("_create_new_client_event") @defer.inlineCallbacks def _create_new_client_event(self, builder, requester=None, prev_event_ids=None): diff --git a/synapse/handlers/room_member.py b/synapse/handlers/room_member.py index dadc19d45b..d6ad57171c 100644 --- a/synapse/handlers/room_member.py +++ b/synapse/handlers/room_member.py @@ -193,6 +193,8 @@ class RoomMemberHandler(BaseHandler): if action in ["kick", "unban"]: effective_membership_state = "leave" + # if this is a join with a 3pid signature, we may need to turn a 3pid + # invite into a normal invite before we can handle the join. if third_party_signed is not None: replication = self.hs.get_replication_layer() yield replication.exchange_third_party_invite( @@ -210,6 +212,16 @@ class RoomMemberHandler(BaseHandler): if is_blocked: raise SynapseError(403, "This room has been blocked on this server") + if (effective_membership_state == "invite" and + self.hs.config.block_non_admin_invites): + is_requester_admin = yield self.auth.is_server_admin( + requester.user, + ) + if not is_requester_admin: + raise SynapseError( + 403, "Invites have been disabled on this server", + ) + latest_event_ids = yield self.store.get_latest_event_ids_in_room(room_id) current_state_ids = yield self.state_handler.get_current_state_ids( room_id, latest_event_ids=latest_event_ids, @@ -473,6 +485,16 @@ class RoomMemberHandler(BaseHandler): requester, txn_id ): + if self.hs.config.block_non_admin_invites: + is_requester_admin = yield self.auth.is_server_admin( + requester.user, + ) + if not is_requester_admin: + raise SynapseError( + 403, "Invites have been disabled on this server", + Codes.FORBIDDEN, + ) + invitee = yield self._lookup_3pid( id_server, medium, address ) diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py index 69c1bc189e..219529936f 100644 --- a/synapse/handlers/sync.py +++ b/synapse/handlers/sync.py @@ -306,11 +306,6 @@ class SyncHandler(object): timeline_limit = sync_config.filter_collection.timeline_limit() block_all_timeline = sync_config.filter_collection.blocks_all_room_timeline() - # Pull out the current state, as we always want to include those events - # in the timeline if they're there. - current_state_ids = yield self.state.get_current_state_ids(room_id) - current_state_ids = frozenset(current_state_ids.itervalues()) - if recents is None or newly_joined_room or timeline_limit < len(recents): limited = True else: @@ -318,6 +313,15 @@ class SyncHandler(object): if recents: recents = sync_config.filter_collection.filter_room_timeline(recents) + + # We check if there are any state events, if there are then we pass + # all current state events to the filter_events function. This is to + # ensure that we always include current state in the timeline + current_state_ids = frozenset() + if any(e.is_state() for e in recents): + current_state_ids = yield self.state.get_current_state_ids(room_id) + current_state_ids = frozenset(current_state_ids.itervalues()) + recents = yield filter_events_for_client( self.store, sync_config.user.to_string(), @@ -354,6 +358,15 @@ class SyncHandler(object): loaded_recents = sync_config.filter_collection.filter_room_timeline( events ) + + # We check if there are any state events, if there are then we pass + # all current state events to the filter_events function. This is to + # ensure that we always include current state in the timeline + current_state_ids = frozenset() + if any(e.is_state() for e in loaded_recents): + current_state_ids = yield self.state.get_current_state_ids(room_id) + current_state_ids = frozenset(current_state_ids.itervalues()) + loaded_recents = yield filter_events_for_client( self.store, sync_config.user.to_string(), @@ -1042,7 +1055,18 @@ class SyncHandler(object): # We want to figure out if we joined the room at some point since # the last sync (even if we have since left). This is to make sure # we do send down the room, and with full state, where necessary + old_state_ids = None + if room_id in joined_room_ids and non_joins: + # Always include if the user (re)joined the room, especially + # important so that device list changes are calculated correctly. + # If there are non join member events, but we are still in the room, + # then the user must have left and joined + newly_joined_rooms.append(room_id) + + # User is in the room so we don't need to do the invite/leave checks + continue + if room_id in joined_room_ids or has_join: old_state_ids = yield self.get_state_at(room_id, since_token) old_mem_ev_id = old_state_ids.get((EventTypes.Member, user_id), None) @@ -1054,8 +1078,9 @@ class SyncHandler(object): if not old_mem_ev or old_mem_ev.membership != Membership.JOIN: newly_joined_rooms.append(room_id) - if room_id in joined_room_ids: - continue + # If user is in the room then we don't need to do the invite/leave checks + if room_id in joined_room_ids: + continue if not non_joins: continue |