diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
new file mode 100644
index 0000000000..4d82b33993
--- /dev/null
+++ b/synapse/handlers/room.py
@@ -0,0 +1,808 @@
+# -*- coding: utf-8 -*-
+# Copyright 2014 matrix.org
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# 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.
+"""Contains functions for performing events on rooms."""
+from twisted.internet import defer
+
+from synapse.types import UserID, RoomAlias, RoomID
+from synapse.api.constants import Membership
+from synapse.api.errors import RoomError, StoreError, SynapseError
+from synapse.api.events.room import (
+ RoomTopicEvent, MessageEvent, InviteJoinEvent, RoomMemberEvent,
+ RoomConfigEvent
+)
+from synapse.api.streams.event import EventStream, MessagesStreamData
+from synapse.util import stringutils
+from ._base import BaseHandler
+
+import logging
+import json
+
+logger = logging.getLogger(__name__)
+
+
+class MessageHandler(BaseHandler):
+
+ def __init__(self, hs):
+ super(MessageHandler, self).__init__(hs)
+ self.hs = hs
+ self.clock = hs.get_clock()
+ self.event_factory = hs.get_event_factory()
+
+ @defer.inlineCallbacks
+ def get_message(self, msg_id=None, room_id=None, sender_id=None,
+ user_id=None):
+ """ Retrieve a message.
+
+ Args:
+ msg_id (str): The message ID to obtain.
+ room_id (str): The room where the message resides.
+ sender_id (str): The user ID of the user who sent the message.
+ user_id (str): The user ID of the user making this request.
+ Returns:
+ The message, or None if no message exists.
+ Raises:
+ SynapseError if something went wrong.
+ """
+ yield self.auth.check_joined_room(room_id, user_id)
+
+ # Pull out the message from the db
+ msg = yield self.store.get_message(room_id=room_id,
+ msg_id=msg_id,
+ user_id=sender_id)
+
+ if msg:
+ defer.returnValue(msg)
+ defer.returnValue(None)
+
+ @defer.inlineCallbacks
+ def send_message(self, event=None, suppress_auth=False, stamp_event=True):
+ """ Send a message.
+
+ Args:
+ event : The message event to store.
+ suppress_auth (bool) : True to suppress auth for this message. This
+ is primarily so the home server can inject messages into rooms at
+ will.
+ stamp_event (bool) : True to stamp event content with server keys.
+ Raises:
+ SynapseError if something went wrong.
+ """
+ if stamp_event:
+ event.content["hsob_ts"] = int(self.clock.time_msec())
+
+ with (yield self.room_lock.lock(event.room_id)):
+ if not suppress_auth:
+ yield self.auth.check(event, raises=True)
+
+ # store message in db
+ store_id = yield self.store.persist_event(event)
+
+ event.destinations = yield self.store.get_joined_hosts_for_room(
+ event.room_id
+ )
+
+ yield self.hs.get_federation().handle_new_event(event)
+
+ self.notifier.on_new_room_event(event, store_id)
+
+ @defer.inlineCallbacks
+ def get_messages(self, user_id=None, room_id=None, pagin_config=None,
+ feedback=False):
+ """Get messages in a room.
+
+ Args:
+ user_id (str): The user requesting messages.
+ room_id (str): The room they want messages from.
+ pagin_config (synapse.api.streams.PaginationConfig): The pagination
+ config rules to apply, if any.
+ feedback (bool): True to get compressed feedback with the messages
+ Returns:
+ dict: Pagination API results
+ """
+ yield self.auth.check_joined_room(room_id, user_id)
+
+ data_source = [MessagesStreamData(self.hs, room_id=room_id,
+ feedback=feedback)]
+ event_stream = EventStream(user_id, data_source)
+ pagin_config = yield event_stream.fix_tokens(pagin_config)
+ data_chunk = yield event_stream.get_chunk(config=pagin_config)
+ defer.returnValue(data_chunk)
+
+ @defer.inlineCallbacks
+ def store_room_data(self, event=None, stamp_event=True):
+ """ Stores data for a room.
+
+ Args:
+ event : The room path event
+ stamp_event (bool) : True to stamp event content with server keys.
+ Raises:
+ SynapseError if something went wrong.
+ """
+
+ with (yield self.room_lock.lock(event.room_id)):
+ yield self.auth.check(event, raises=True)
+
+ if stamp_event:
+ event.content["hsob_ts"] = int(self.clock.time_msec())
+
+ yield self.state_handler.handle_new_event(event)
+
+ # store in db
+ store_id = yield self.store.store_room_data(
+ room_id=event.room_id,
+ etype=event.type,
+ state_key=event.state_key,
+ content=json.dumps(event.content)
+ )
+
+ event.destinations = yield self.store.get_joined_hosts_for_room(
+ event.room_id
+ )
+ self.notifier.on_new_room_event(event, store_id)
+
+ yield self.hs.get_federation().handle_new_event(event)
+
+ @defer.inlineCallbacks
+ def get_room_data(self, user_id=None, room_id=None,
+ event_type=None, state_key="",
+ public_room_rules=[],
+ private_room_rules=["join"]):
+ """ Get data from a room.
+
+ Args:
+ event : The room path event
+ public_room_rules : A list of membership states the user can be in,
+ in order to read this data IN A PUBLIC ROOM. An empty list means
+ 'any state'.
+ private_room_rules : A list of membership states the user can be
+ in, in order to read this data IN A PRIVATE ROOM. An empty list
+ means 'any state'.
+ Returns:
+ The path data content.
+ Raises:
+ SynapseError if something went wrong.
+ """
+ if event_type == RoomTopicEvent.TYPE:
+ # anyone invited/joined can read the topic
+ private_room_rules = ["invite", "join"]
+
+ # does this room exist
+ room = yield self.store.get_room(room_id)
+ if not room:
+ raise RoomError(403, "Room does not exist.")
+
+ # does this user exist in this room
+ member = yield self.store.get_room_member(
+ room_id=room_id,
+ user_id="" if not user_id else user_id)
+
+ member_state = member.membership if member else None
+
+ if room.is_public and public_room_rules:
+ # make sure the user meets public room rules
+ if member_state not in public_room_rules:
+ raise RoomError(403, "Member does not meet public room rules.")
+ elif not room.is_public and private_room_rules:
+ # make sure the user meets private room rules
+ if member_state not in private_room_rules:
+ raise RoomError(
+ 403, "Member does not meet private room rules.")
+
+ data = yield self.store.get_room_data(room_id, event_type, state_key)
+ defer.returnValue(data)
+
+ @defer.inlineCallbacks
+ def get_feedback(self, room_id=None, msg_sender_id=None, msg_id=None,
+ user_id=None, fb_sender_id=None, fb_type=None):
+ yield self.auth.check_joined_room(room_id, user_id)
+
+ # Pull out the feedback from the db
+ fb = yield self.store.get_feedback(
+ room_id=room_id, msg_id=msg_id, msg_sender_id=msg_sender_id,
+ fb_sender_id=fb_sender_id, fb_type=fb_type
+ )
+
+ if fb:
+ defer.returnValue(fb)
+ defer.returnValue(None)
+
+ @defer.inlineCallbacks
+ def send_feedback(self, event, stamp_event=True):
+ if stamp_event:
+ event.content["hsob_ts"] = int(self.clock.time_msec())
+
+ with (yield self.room_lock.lock(event.room_id)):
+ yield self.auth.check(event, raises=True)
+
+ # store message in db
+ store_id = yield self.store.persist_event(event)
+
+ event.destinations = yield self.store.get_joined_hosts_for_room(
+ event.room_id
+ )
+ yield self.hs.get_federation().handle_new_event(event)
+
+ self.notifier.on_new_room_event(event, store_id)
+
+ @defer.inlineCallbacks
+ def snapshot_all_rooms(self, user_id=None, pagin_config=None,
+ feedback=False):
+ """Retrieve a snapshot of all rooms the user is invited or has joined.
+
+ This snapshot may include messages for all rooms where the user is
+ joined, depending on the pagination config.
+
+ Args:
+ user_id (str): The ID of the user making the request.
+ pagin_config (synapse.api.streams.PaginationConfig): The pagination
+ config used to determine how many messages *PER ROOM* to return.
+ feedback (bool): True to get feedback along with these messages.
+ Returns:
+ A list of dicts with "room_id" and "membership" keys for all rooms
+ the user is currently invited or joined in on. Rooms where the user
+ is joined on, may return a "messages" key with messages, depending
+ on the specified PaginationConfig.
+ """
+ room_list = yield self.store.get_rooms_for_user_where_membership_is(
+ user_id=user_id,
+ membership_list=[Membership.INVITE, Membership.JOIN]
+ )
+ for room_info in room_list:
+ if room_info["membership"] != Membership.JOIN:
+ continue
+ try:
+ event_chunk = yield self.get_messages(
+ user_id=user_id,
+ pagin_config=pagin_config,
+ feedback=feedback,
+ room_id=room_info["room_id"]
+ )
+ room_info["messages"] = event_chunk
+ except:
+ pass
+ defer.returnValue(room_list)
+
+
+class RoomCreationHandler(BaseHandler):
+
+ @defer.inlineCallbacks
+ def create_room(self, user_id, room_id, config):
+ """ Creates a new room.
+
+ Args:
+ user_id (str): The ID of the user creating the new room.
+ room_id (str): The proposed ID for the new room. Can be None, in
+ which case one will be created for you.
+ config (dict) : A dict of configuration options.
+ Returns:
+ The new room ID.
+ Raises:
+ SynapseError if the room ID was taken, couldn't be stored, or
+ something went horribly wrong.
+ """
+
+ if "room_alias_name" in config:
+ room_alias = RoomAlias.create_local(
+ config["room_alias_name"],
+ self.hs
+ )
+ mapping = yield self.store.get_association_from_room_alias(
+ room_alias
+ )
+
+ if mapping:
+ raise SynapseError(400, "Room alias already taken")
+ else:
+ room_alias = None
+
+ if room_id:
+ # Ensure room_id is the correct type
+ room_id_obj = RoomID.from_string(room_id, self.hs)
+ if not room_id_obj.is_mine:
+ raise SynapseError(400, "Room id must be local")
+
+ yield self.store.store_room(
+ room_id=room_id,
+ room_creator_user_id=user_id,
+ is_public=config["visibility"] == "public"
+ )
+ else:
+ # autogen room IDs and try to create it. We may clash, so just
+ # try a few times till one goes through, giving up eventually.
+ attempts = 0
+ room_id = None
+ while attempts < 5:
+ try:
+ random_string = stringutils.random_string(18)
+ gen_room_id = RoomID.create_local(random_string, self.hs)
+ yield self.store.store_room(
+ room_id=gen_room_id.to_string(),
+ room_creator_user_id=user_id,
+ is_public=config["visibility"] == "public"
+ )
+ room_id = gen_room_id.to_string()
+ break
+ except StoreError:
+ attempts += 1
+ if not room_id:
+ raise StoreError(500, "Couldn't generate a room ID.")
+
+ config_event = self.event_factory.create_event(
+ etype=RoomConfigEvent.TYPE,
+ room_id=room_id,
+ user_id=user_id,
+ content=config,
+ )
+
+ if room_alias:
+ yield self.store.create_room_alias_association(
+ room_id=room_id,
+ room_alias=room_alias,
+ servers=[self.hs.hostname],
+ )
+
+ yield self.state_handler.handle_new_event(config_event)
+ # store_id = persist...
+
+ yield self.hs.get_federation().handle_new_event(config_event)
+ # self.notifier.on_new_room_event(event, store_id)
+
+ content = {"membership": Membership.JOIN}
+ join_event = self.event_factory.create_event(
+ etype=RoomMemberEvent.TYPE,
+ target_user_id=user_id,
+ room_id=room_id,
+ user_id=user_id,
+ membership=Membership.JOIN,
+ content=content
+ )
+
+ yield self.hs.get_handlers().room_member_handler.change_membership(
+ join_event,
+ broadcast_msg=True,
+ do_auth=False
+ )
+
+ result = {"room_id": room_id}
+ if room_alias:
+ result["room_alias"] = room_alias.to_string()
+
+ defer.returnValue(result)
+
+
+class RoomMemberHandler(BaseHandler):
+ # TODO(paul): This handler currently contains a messy conflation of
+ # low-level API that works on UserID objects and so on, and REST-level
+ # API that takes ID strings and returns pagination chunks. These concerns
+ # ought to be separated out a lot better.
+
+ def __init__(self, hs):
+ super(RoomMemberHandler, self).__init__(hs)
+
+ self.clock = hs.get_clock()
+
+ self.distributor = hs.get_distributor()
+ self.distributor.declare("user_joined_room")
+
+ @defer.inlineCallbacks
+ def get_room_members(self, room_id, membership=Membership.JOIN):
+ hs = self.hs
+
+ memberships = yield self.store.get_room_members(
+ room_id=room_id, membership=membership
+ )
+
+ defer.returnValue([hs.parse_userid(m.user_id) for m in memberships])
+
+ @defer.inlineCallbacks
+ def fetch_room_distributions_into(self, room_id, localusers=None,
+ remotedomains=None, ignore_user=None):
+ """Fetch the distribution of a room, adding elements to either
+ 'localusers' or 'remotedomains', which should be a set() if supplied.
+ If ignore_user is set, ignore that user.
+
+ This function returns nothing; its result is performed by the
+ side-effect on the two passed sets. This allows easy accumulation of
+ member lists of multiple rooms at once if required.
+ """
+ members = yield self.get_room_members(room_id)
+ for member in members:
+ if ignore_user is not None and member == ignore_user:
+ continue
+
+ if member.is_mine:
+ if localusers is not None:
+ localusers.add(member)
+ else:
+ if remotedomains is not None:
+ remotedomains.add(member.domain)
+
+ @defer.inlineCallbacks
+ def get_room_members_as_pagination_chunk(self, room_id=None, user_id=None,
+ limit=0, start_tok=None,
+ end_tok=None):
+ """Retrieve a list of room members in the room.
+
+ Args:
+ room_id (str): The room to get the member list for.
+ user_id (str): The ID of the user making the request.
+ limit (int): The max number of members to return.
+ start_tok (str): Optional. The start token if known.
+ end_tok (str): Optional. The end token if known.
+ Returns:
+ dict: A Pagination streamable dict.
+ Raises:
+ SynapseError if something goes wrong.
+ """
+ yield self.auth.check_joined_room(room_id, user_id)
+
+ member_list = yield self.store.get_room_members(room_id=room_id)
+ event_list = [
+ entry.as_event(self.event_factory).get_dict()
+ for entry in member_list
+ ]
+ chunk_data = {
+ "start": "START",
+ "end": "END",
+ "chunk": event_list
+ }
+ # TODO honor Pagination stream params
+ # TODO snapshot this list to return on subsequent requests when
+ # paginating
+ defer.returnValue(chunk_data)
+
+ @defer.inlineCallbacks
+ def get_room_member(self, room_id, member_user_id, auth_user_id):
+ """Retrieve a room member from a room.
+
+ Args:
+ room_id : The room the member is in.
+ member_user_id : The member's user ID
+ auth_user_id : The user ID of the user making this request.
+ Returns:
+ The room member, or None if this member does not exist.
+ Raises:
+ SynapseError if something goes wrong.
+ """
+ yield self.auth.check_joined_room(room_id, auth_user_id)
+
+ member = yield self.store.get_room_member(user_id=member_user_id,
+ room_id=room_id)
+ defer.returnValue(member)
+
+ @defer.inlineCallbacks
+ def change_membership(self, event=None, broadcast_msg=False, do_auth=True):
+ """ Change the membership status of a user in a room.
+
+ Args:
+ event (SynapseEvent): The membership event
+ broadcast_msg (bool): True to inject a membership message into this
+ room on success.
+ Raises:
+ SynapseError if there was a problem changing the membership.
+ """
+
+ #broadcast_msg = False
+
+ prev_state = yield self.store.get_room_member(
+ event.target_user_id, event.room_id
+ )
+
+ if prev_state and prev_state.membership == event.membership:
+ # treat this event as a NOOP.
+ if do_auth: # This is mainly to fix a unit test.
+ yield self.auth.check(event, raises=True)
+ defer.returnValue({})
+ return
+
+ room_id = event.room_id
+
+ # If we're trying to join a room then we have to do this differently
+ # if this HS is not currently in the room, i.e. we have to do the
+ # invite/join dance.
+ if event.membership == Membership.JOIN:
+ yield self._do_join(
+ event, do_auth=do_auth, broadcast_msg=broadcast_msg
+ )
+ else:
+ # This is not a JOIN, so we can handle it normally.
+ if do_auth:
+ yield self.auth.check(event, raises=True)
+
+ prev_state = yield self.store.get_room_member(
+ event.target_user_id, event.room_id
+ )
+ if prev_state and prev_state.membership == event.membership:
+ # double same action, treat this event as a NOOP.
+ defer.returnValue({})
+ return
+
+ yield self.state_handler.handle_new_event(event)
+ yield self._do_local_membership_update(
+ event,
+ membership=event.content["membership"],
+ broadcast_msg=broadcast_msg,
+ )
+
+ defer.returnValue({"room_id": room_id})
+
+ @defer.inlineCallbacks
+ def join_room_alias(self, joinee, room_alias, do_auth=True, content={}):
+ directory_handler = self.hs.get_handlers().directory_handler
+ mapping = yield directory_handler.get_association(room_alias)
+
+ if not mapping:
+ raise SynapseError(404, "No such room alias")
+
+ room_id = mapping["room_id"]
+ hosts = mapping["servers"]
+ if not hosts:
+ raise SynapseError(404, "No known servers")
+
+ host = hosts[0]
+
+ content.update({"membership": Membership.JOIN})
+ new_event = self.event_factory.create_event(
+ etype=RoomMemberEvent.TYPE,
+ target_user_id=joinee.to_string(),
+ room_id=room_id,
+ user_id=joinee.to_string(),
+ membership=Membership.JOIN,
+ content=content,
+ )
+
+ yield self._do_join(new_event, room_host=host, do_auth=True)
+
+ defer.returnValue({"room_id": room_id})
+
+ @defer.inlineCallbacks
+ def _do_join(self, event, room_host=None, do_auth=True, broadcast_msg=True):
+ joinee = self.hs.parse_userid(event.target_user_id)
+ # room_id = RoomID.from_string(event.room_id, self.hs)
+ room_id = event.room_id
+
+ # If event doesn't include a display name, add one.
+ yield self._fill_out_join_content(
+ joinee, event.content
+ )
+
+ # XXX: We don't do an auth check if we are doing an invite
+ # 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.
+
+ room = yield self.store.get_room(room_id)
+
+ if room:
+ should_do_dance = False
+ elif room_host:
+ should_do_dance = True
+ else:
+ prev_state = yield self.store.get_room_member(
+ joinee.to_string(), room_id
+ )
+
+ if prev_state and prev_state.membership == Membership.INVITE:
+ room = yield self.store.get_room(room_id)
+ inviter = UserID.from_string(
+ prev_state.sender, self.hs
+ )
+
+ should_do_dance = not inviter.is_mine and not room
+ room_host = inviter.domain
+ else:
+ should_do_dance = False
+
+ # We want to do the _do_update inside the room lock.
+ if not should_do_dance:
+ logger.debug("Doing normal join")
+
+ if do_auth:
+ yield self.auth.check(event, raises=True)
+
+ yield self.state_handler.handle_new_event(event)
+ yield self._do_local_membership_update(
+ event,
+ membership=event.content["membership"],
+ broadcast_msg=broadcast_msg,
+ )
+
+
+ if should_do_dance:
+ yield self._do_invite_join_dance(
+ room_id=room_id,
+ joinee=event.user_id,
+ target_host=room_host,
+ content=event.content,
+ )
+
+ user = self.hs.parse_userid(event.user_id)
+ self.distributor.fire(
+ "user_joined_room", user=user, room_id=room_id
+ )
+
+ @defer.inlineCallbacks
+ def _fill_out_join_content(self, user_id, content):
+ # If event doesn't include a display name, add one.
+ profile_handler = self.hs.get_handlers().profile_handler
+ if "displayname" not in content:
+ try:
+ display_name = yield profile_handler.get_displayname(
+ user_id
+ )
+
+ if display_name:
+ content["displayname"] = display_name
+ except:
+ logger.exception("Failed to set display_name")
+
+ if "avatar_url" not in content:
+ try:
+ avatar_url = yield profile_handler.get_avatar_url(
+ user_id
+ )
+
+ if avatar_url:
+ content["avatar_url"] = avatar_url
+ except:
+ logger.exception("Failed to set display_name")
+
+ @defer.inlineCallbacks
+ def _should_invite_join(self, room_id, prev_state, do_auth):
+ logger.debug("_should_invite_join: room_id: %s", room_id)
+
+ # XXX: We don't do an auth check if we are doing an invite
+ # 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.
+
+ # Only do an invite join dance if a) we were invited,
+ # b) the person inviting was from a differnt HS and c) we are
+ # not currently in the room
+ room_host = None
+ if prev_state and prev_state.membership == Membership.INVITE:
+ room = yield self.store.get_room(room_id)
+ inviter = UserID.from_string(
+ prev_state.sender, self.hs
+ )
+
+ is_remote_invite_join = not inviter.is_mine and not room
+ room_host = inviter.domain
+ else:
+ is_remote_invite_join = False
+
+ defer.returnValue((is_remote_invite_join, room_host))
+
+ @defer.inlineCallbacks
+ def get_rooms_for_user(self, user, membership_list=[Membership.JOIN]):
+ """Returns a list of roomids that the user has any of the given
+ membership states in."""
+ rooms = yield self.store.get_rooms_for_user_where_membership_is(
+ user_id=user.to_string(), membership_list=membership_list
+ )
+
+ defer.returnValue([r["room_id"] for r in rooms])
+
+ @defer.inlineCallbacks
+ def _do_local_membership_update(self, event, membership, broadcast_msg):
+ # store membership
+ store_id = yield self.store.store_room_member(
+ user_id=event.target_user_id,
+ sender=event.user_id,
+ room_id=event.room_id,
+ content=event.content,
+ membership=membership
+ )
+
+ # Send a PDU to all hosts who have joined the room.
+ destinations = yield self.store.get_joined_hosts_for_room(
+ event.room_id
+ )
+
+ # If we're inviting someone, then we should also send it to that
+ # HS.
+ if membership == Membership.INVITE:
+ host = UserID.from_string(
+ event.target_user_id, self.hs
+ ).domain
+ destinations.append(host)
+
+ # If we are joining a remote HS, include that.
+ if membership == Membership.JOIN:
+ host = UserID.from_string(
+ event.target_user_id, self.hs
+ ).domain
+ destinations.append(host)
+
+ event.destinations = list(set(destinations))
+
+ yield self.hs.get_federation().handle_new_event(event)
+ self.notifier.on_new_room_event(event, store_id)
+
+ if broadcast_msg:
+ yield self._inject_membership_msg(
+ source=event.user_id,
+ target=event.target_user_id,
+ room_id=event.room_id,
+ membership=event.content["membership"]
+ )
+
+ @defer.inlineCallbacks
+ def _do_invite_join_dance(self, room_id, joinee, target_host, content):
+ logger.debug("Doing remote join dance")
+
+ # do invite join dance
+ federation = self.hs.get_federation()
+ new_event = self.event_factory.create_event(
+ etype=InviteJoinEvent.TYPE,
+ target_host=target_host,
+ room_id=room_id,
+ user_id=joinee,
+ content=content
+ )
+
+ new_event.destinations = [target_host]
+
+ yield self.store.store_room(
+ room_id, "", is_public=False
+ )
+
+ #yield self.state_handler.handle_new_event(event)
+ yield federation.handle_new_event(new_event)
+ yield federation.get_state_for_room(
+ target_host, room_id
+ )
+
+ @defer.inlineCallbacks
+ def _inject_membership_msg(self, room_id=None, source=None, target=None,
+ membership=None):
+ # TODO this should be a different type of message, not m.text
+ if membership == Membership.INVITE:
+ body = "%s invited %s to the room." % (source, target)
+ elif membership == Membership.JOIN:
+ body = "%s joined the room." % (target)
+ elif membership == Membership.LEAVE:
+ body = "%s left the room." % (target)
+ else:
+ raise RoomError(500, "Unknown membership value %s" % membership)
+
+ membership_json = {
+ "msgtype": u"m.text",
+ "body": body,
+ "membership_source": source,
+ "membership_target": target,
+ "membership": membership,
+ }
+
+ msg_id = "m%s" % int(self.clock.time_msec())
+
+ event = self.event_factory.create_event(
+ etype=MessageEvent.TYPE,
+ room_id=room_id,
+ user_id="_homeserver_",
+ msg_id=msg_id,
+ content=membership_json
+ )
+
+ handler = self.hs.get_handlers().message_handler
+ yield handler.send_message(event, suppress_auth=True)
+
+
+class RoomListHandler(BaseHandler):
+
+ @defer.inlineCallbacks
+ def get_public_room_list(self):
+ chunk = yield self.store.get_rooms(is_public=True, with_topics=True)
+ defer.returnValue({"start": "START", "end": "END", "chunk": chunk})
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