mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
synced 2024-12-25 00:49:21 -05:00
604 lines
21 KiB
Python
604 lines
21 KiB
Python
# -*- 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, JoinRules
|
|
from synapse.api.errors import StoreError, SynapseError
|
|
from synapse.api.events.room import (
|
|
RoomMemberEvent, RoomCreateEvent, RoomPowerLevelsEvent,
|
|
RoomJoinRulesEvent, RoomAddStateLevelEvent, RoomTopicEvent,
|
|
RoomSendEventLevelEvent, RoomOpsPowerLevelsEvent, RoomNameEvent,
|
|
)
|
|
from synapse.util import stringutils
|
|
from ._base import BaseRoomHandler
|
|
|
|
import logging
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class RoomCreationHandler(BaseRoomHandler):
|
|
|
|
@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
|
|
|
|
is_public = config.get("visibility", None) == "public"
|
|
|
|
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=is_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=is_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.")
|
|
|
|
user = self.hs.parse_userid(user_id)
|
|
creation_events = self._create_events_for_new_room(
|
|
user, room_id, is_public=is_public
|
|
)
|
|
|
|
if room_alias:
|
|
yield self.store.create_room_alias_association(
|
|
room_id=room_id,
|
|
room_alias=room_alias,
|
|
servers=[self.hs.hostname],
|
|
)
|
|
|
|
federation_handler = self.hs.get_handlers().federation_handler
|
|
|
|
@defer.inlineCallbacks
|
|
def handle_event(event):
|
|
snapshot = yield self.store.snapshot_room(
|
|
room_id=room_id,
|
|
user_id=user_id,
|
|
)
|
|
|
|
logger.debug("Event: %s", event)
|
|
|
|
yield self.state_handler.handle_new_event(event, snapshot)
|
|
yield self._on_new_room_event(event, snapshot, extra_users=[user])
|
|
|
|
for event in creation_events:
|
|
yield handle_event(event)
|
|
|
|
if "name" in config:
|
|
name = config["name"]
|
|
name_event = self.event_factory.create_event(
|
|
etype=RoomNameEvent.TYPE,
|
|
room_id=room_id,
|
|
user_id=user_id,
|
|
content={"name": name},
|
|
)
|
|
|
|
yield handle_event(name_event)
|
|
|
|
if "topic" in config:
|
|
topic = config["topic"]
|
|
topic_event = self.event_factory.create_event(
|
|
etype=RoomTopicEvent.TYPE,
|
|
room_id=room_id,
|
|
user_id=user_id,
|
|
content={"topic": topic},
|
|
)
|
|
|
|
yield handle_event(topic_event)
|
|
|
|
content = {"membership": Membership.JOIN}
|
|
join_event = self.event_factory.create_event(
|
|
etype=RoomMemberEvent.TYPE,
|
|
state_key=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,
|
|
do_auth=False
|
|
)
|
|
|
|
result = {"room_id": room_id}
|
|
if room_alias:
|
|
result["room_alias"] = room_alias.to_string()
|
|
|
|
defer.returnValue(result)
|
|
|
|
def _create_events_for_new_room(self, creator, room_id, is_public=False):
|
|
event_keys = {
|
|
"room_id": room_id,
|
|
"user_id": creator.to_string(),
|
|
"required_power_level": 10,
|
|
}
|
|
|
|
def create(etype, **content):
|
|
return self.event_factory.create_event(
|
|
etype=etype,
|
|
content=content,
|
|
**event_keys
|
|
)
|
|
|
|
creation_event = create(
|
|
etype=RoomCreateEvent.TYPE,
|
|
creator=creator.to_string(),
|
|
)
|
|
|
|
power_levels_event = self.event_factory.create_event(
|
|
etype=RoomPowerLevelsEvent.TYPE,
|
|
content={creator.to_string(): 10, "default": 0},
|
|
**event_keys
|
|
)
|
|
|
|
join_rule = JoinRules.PUBLIC if is_public else JoinRules.INVITE
|
|
join_rules_event = create(
|
|
etype=RoomJoinRulesEvent.TYPE,
|
|
join_rule=join_rule,
|
|
)
|
|
|
|
add_state_event = create(
|
|
etype=RoomAddStateLevelEvent.TYPE,
|
|
level=10,
|
|
)
|
|
|
|
send_event = create(
|
|
etype=RoomSendEventLevelEvent.TYPE,
|
|
level=0,
|
|
)
|
|
|
|
ops = create(
|
|
etype=RoomOpsPowerLevelsEvent.TYPE,
|
|
ban_level=5,
|
|
kick_level=5,
|
|
)
|
|
|
|
return [
|
|
creation_event,
|
|
power_levels_event,
|
|
join_rules_event,
|
|
add_state_event,
|
|
send_event,
|
|
ops,
|
|
]
|
|
|
|
|
|
class RoomMemberHandler(BaseRoomHandler):
|
|
# 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.get_dict()
|
|
for entry in member_list
|
|
]
|
|
chunk_data = {
|
|
"start": "START", # FIXME (erikj): START is no longer valid
|
|
"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, do_auth=True):
|
|
""" Change the membership status of a user in a room.
|
|
|
|
Args:
|
|
event (SynapseEvent): The membership event
|
|
Raises:
|
|
SynapseError if there was a problem changing the membership.
|
|
"""
|
|
target_user_id = event.state_key
|
|
|
|
snapshot = yield self.store.snapshot_room(
|
|
event.room_id, event.user_id,
|
|
RoomMemberEvent.TYPE, target_user_id
|
|
)
|
|
## TODO(markjh): get prev state from snapshot.
|
|
prev_state = yield self.store.get_room_member(
|
|
target_user_id, event.room_id
|
|
)
|
|
|
|
if prev_state:
|
|
event.content["prev"] = prev_state.membership
|
|
|
|
# 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, snapshot, do_auth=do_auth)
|
|
else:
|
|
# This is not a JOIN, so we can handle it normally.
|
|
if do_auth:
|
|
yield self.auth.check(event, snapshot, raises=True)
|
|
|
|
# If we're banning someone, set a req power level
|
|
if event.membership == Membership.BAN:
|
|
if not hasattr(event, "required_power_level") or event.required_power_level is None:
|
|
# Add some default required_power_level
|
|
user_level = yield self.store.get_power_level(
|
|
event.room_id,
|
|
event.user_id,
|
|
)
|
|
event.required_power_level = user_level
|
|
|
|
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, snapshot)
|
|
yield self._do_local_membership_update(
|
|
event,
|
|
membership=event.content["membership"],
|
|
snapshot=snapshot,
|
|
)
|
|
|
|
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,
|
|
state_key=joinee.to_string(),
|
|
room_id=room_id,
|
|
user_id=joinee.to_string(),
|
|
membership=Membership.JOIN,
|
|
content=content,
|
|
)
|
|
|
|
snapshot = yield self.store.snapshot_room(
|
|
room_id, joinee.to_string(), RoomMemberEvent.TYPE,
|
|
joinee.to_string()
|
|
)
|
|
|
|
yield self._do_join(new_event, snapshot, room_host=host, do_auth=True)
|
|
|
|
defer.returnValue({"room_id": room_id})
|
|
|
|
@defer.inlineCallbacks
|
|
def _do_join(self, event, snapshot, room_host=None, do_auth=True):
|
|
joinee = self.hs.parse_userid(event.state_key)
|
|
# 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.distributor.fire(
|
|
"collect_presencelike_data", 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.
|
|
|
|
hosts = yield self.store.get_joined_hosts_for_room(room_id)
|
|
|
|
if self.hs.hostname in hosts:
|
|
should_do_dance = False
|
|
elif room_host:
|
|
should_do_dance = True
|
|
else:
|
|
# TODO(markjh): get prev_state from snapshot
|
|
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.user_id, self.hs
|
|
)
|
|
|
|
should_do_dance = not inviter.is_mine and not room
|
|
room_host = inviter.domain
|
|
else:
|
|
should_do_dance = False
|
|
|
|
have_joined = False
|
|
if should_do_dance:
|
|
handler = self.hs.get_handlers().federation_handler
|
|
have_joined = yield handler.do_invite_join(
|
|
room_host, room_id, event.user_id, event.content, snapshot
|
|
)
|
|
|
|
# We want to do the _do_update inside the room lock.
|
|
if not have_joined:
|
|
logger.debug("Doing normal join")
|
|
|
|
if do_auth:
|
|
yield self.auth.check(event, snapshot, raises=True)
|
|
|
|
yield self.state_handler.handle_new_event(event, snapshot)
|
|
yield self._do_local_membership_update(
|
|
event,
|
|
membership=event.content["membership"],
|
|
snapshot=snapshot,
|
|
)
|
|
|
|
user = self.hs.parse_userid(event.user_id)
|
|
self.distributor.fire(
|
|
"user_joined_room", user=user, room_id=room_id
|
|
)
|
|
|
|
@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])
|
|
|
|
def _do_local_membership_update(self, event, membership, snapshot):
|
|
destinations = []
|
|
|
|
# If we're inviting someone, then we should also send it to that
|
|
# HS.
|
|
target_user_id = event.state_key
|
|
target_user = self.hs.parse_userid(target_user_id)
|
|
if membership == Membership.INVITE:
|
|
host = target_user.domain
|
|
destinations.append(host)
|
|
|
|
# Always include target domain
|
|
host = target_user.domain
|
|
destinations.append(host)
|
|
|
|
return self._on_new_room_event(
|
|
event, snapshot, extra_destinations=destinations,
|
|
extra_users=[target_user]
|
|
)
|
|
|
|
class RoomListHandler(BaseRoomHandler):
|
|
|
|
@defer.inlineCallbacks
|
|
def get_public_room_list(self):
|
|
chunk = yield self.store.get_rooms(is_public=True)
|
|
# FIXME (erikj): START is no longer a valid value
|
|
defer.returnValue({"start": "START", "end": "END", "chunk": chunk})
|
|
|
|
|
|
class RoomEventSource(object):
|
|
def __init__(self, hs):
|
|
self.store = hs.get_datastore()
|
|
|
|
@defer.inlineCallbacks
|
|
def get_new_events_for_user(self, user, from_key, limit):
|
|
# We just ignore the key for now.
|
|
|
|
to_key = yield self.get_current_key()
|
|
|
|
events, end_key = yield self.store.get_room_events_stream(
|
|
user_id=user.to_string(),
|
|
from_key=from_key,
|
|
to_key=to_key,
|
|
room_id=None,
|
|
limit=limit,
|
|
)
|
|
|
|
defer.returnValue((events, end_key))
|
|
|
|
def get_current_key(self):
|
|
return self.store.get_room_events_max_id()
|
|
|
|
@defer.inlineCallbacks
|
|
def get_pagination_rows(self, user, pagination_config, key):
|
|
from_token = pagination_config.from_token
|
|
to_token = pagination_config.to_token
|
|
limit = pagination_config.limit
|
|
direction = pagination_config.direction
|
|
|
|
to_key = to_token.room_key if to_token else None
|
|
|
|
events, next_key = yield self.store.paginate_room_events(
|
|
room_id=key,
|
|
from_key=from_token.room_key,
|
|
to_key=to_key,
|
|
direction=direction,
|
|
limit=limit,
|
|
with_feedback=True
|
|
)
|
|
|
|
next_token = from_token.copy_and_replace("room_key", next_key)
|
|
|
|
defer.returnValue((events, next_token))
|