827 lines
28 KiB
Python
827 lines
28 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2014 - 2016 OpenMarket Ltd
|
|
# Copyright 2018 New Vector Ltd
|
|
#
|
|
# 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."""
|
|
import itertools
|
|
import logging
|
|
import math
|
|
import string
|
|
from collections import OrderedDict
|
|
|
|
from six import iteritems, string_types
|
|
|
|
from twisted.internet import defer
|
|
|
|
from synapse.api.constants import (
|
|
DEFAULT_ROOM_VERSION,
|
|
KNOWN_ROOM_VERSIONS,
|
|
EventTypes,
|
|
JoinRules,
|
|
RoomCreationPreset,
|
|
)
|
|
from synapse.api.errors import AuthError, Codes, NotFoundError, StoreError, SynapseError
|
|
from synapse.storage.state import StateFilter
|
|
from synapse.types import RoomAlias, RoomID, RoomStreamToken, StreamToken, UserID
|
|
from synapse.util import stringutils
|
|
from synapse.util.async_helpers import Linearizer
|
|
from synapse.visibility import filter_events_for_client
|
|
|
|
from ._base import BaseHandler
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
id_server_scheme = "https://"
|
|
|
|
|
|
class RoomCreationHandler(BaseHandler):
|
|
|
|
PRESETS_DICT = {
|
|
RoomCreationPreset.PRIVATE_CHAT: {
|
|
"join_rules": JoinRules.INVITE,
|
|
"history_visibility": "shared",
|
|
"original_invitees_have_ops": False,
|
|
"guest_can_join": True,
|
|
},
|
|
RoomCreationPreset.TRUSTED_PRIVATE_CHAT: {
|
|
"join_rules": JoinRules.INVITE,
|
|
"history_visibility": "shared",
|
|
"original_invitees_have_ops": True,
|
|
"guest_can_join": True,
|
|
},
|
|
RoomCreationPreset.PUBLIC_CHAT: {
|
|
"join_rules": JoinRules.PUBLIC,
|
|
"history_visibility": "shared",
|
|
"original_invitees_have_ops": False,
|
|
"guest_can_join": False,
|
|
},
|
|
}
|
|
|
|
def __init__(self, hs):
|
|
super(RoomCreationHandler, self).__init__(hs)
|
|
|
|
self.spam_checker = hs.get_spam_checker()
|
|
self.event_creation_handler = hs.get_event_creation_handler()
|
|
self.room_member_handler = hs.get_room_member_handler()
|
|
|
|
# linearizer to stop two upgrades happening at once
|
|
self._upgrade_linearizer = Linearizer("room_upgrade_linearizer")
|
|
|
|
@defer.inlineCallbacks
|
|
def upgrade_room(self, requester, old_room_id, new_version):
|
|
"""Replace a room with a new room with a different version
|
|
|
|
Args:
|
|
requester (synapse.types.Requester): the user requesting the upgrade
|
|
old_room_id (unicode): the id of the room to be replaced
|
|
new_version (unicode): the new room version to use
|
|
|
|
Returns:
|
|
Deferred[unicode]: the new room id
|
|
"""
|
|
yield self.ratelimit(requester)
|
|
|
|
user_id = requester.user.to_string()
|
|
|
|
with (yield self._upgrade_linearizer.queue(old_room_id)):
|
|
# start by allocating a new room id
|
|
r = yield self.store.get_room(old_room_id)
|
|
if r is None:
|
|
raise NotFoundError("Unknown room id %s" % (old_room_id,))
|
|
new_room_id = yield self._generate_room_id(
|
|
creator_id=user_id, is_public=r["is_public"],
|
|
)
|
|
|
|
# we create and auth the tombstone event before properly creating the new
|
|
# room, to check our user has perms in the old room.
|
|
tombstone_event, tombstone_context = (
|
|
yield self.event_creation_handler.create_event(
|
|
requester, {
|
|
"type": EventTypes.Tombstone,
|
|
"state_key": "",
|
|
"room_id": old_room_id,
|
|
"sender": user_id,
|
|
"content": {
|
|
"body": "This room has been replaced",
|
|
"replacement_room": new_room_id,
|
|
}
|
|
},
|
|
token_id=requester.access_token_id,
|
|
)
|
|
)
|
|
yield self.auth.check_from_context(tombstone_event, tombstone_context)
|
|
|
|
yield self.clone_exiting_room(
|
|
requester,
|
|
old_room_id=old_room_id,
|
|
new_room_id=new_room_id,
|
|
new_room_version=new_version,
|
|
tombstone_event_id=tombstone_event.event_id,
|
|
)
|
|
|
|
# now send the tombstone
|
|
yield self.event_creation_handler.send_nonmember_event(
|
|
requester, tombstone_event, tombstone_context,
|
|
)
|
|
|
|
# and finally, shut down the PLs in the old room, and update them in the new
|
|
# room.
|
|
old_room_state = yield tombstone_context.get_current_state_ids(self.store)
|
|
|
|
yield self._update_upgraded_room_pls(
|
|
requester, old_room_id, new_room_id, old_room_state,
|
|
)
|
|
|
|
defer.returnValue(new_room_id)
|
|
|
|
@defer.inlineCallbacks
|
|
def _update_upgraded_room_pls(
|
|
self, requester, old_room_id, new_room_id, old_room_state,
|
|
):
|
|
"""Send updated power levels in both rooms after an upgrade
|
|
|
|
Args:
|
|
requester (synapse.types.Requester): the user requesting the upgrade
|
|
old_room_id (unicode): the id of the room to be replaced
|
|
new_room_id (unicode): the id of the replacement room
|
|
old_room_state (dict[tuple[str, str], str]): the state map for the old room
|
|
|
|
Returns:
|
|
Deferred
|
|
"""
|
|
old_room_pl_event_id = old_room_state.get((EventTypes.PowerLevels, ""))
|
|
|
|
if old_room_pl_event_id is None:
|
|
logger.warning(
|
|
"Not supported: upgrading a room with no PL event. Not setting PLs "
|
|
"in old room.",
|
|
)
|
|
return
|
|
|
|
old_room_pl_state = yield self.store.get_event(old_room_pl_event_id)
|
|
|
|
# we try to stop regular users from speaking by setting the PL required
|
|
# to send regular events and invites to 'Moderator' level. That's normally
|
|
# 50, but if the default PL in a room is 50 or more, then we set the
|
|
# required PL above that.
|
|
|
|
pl_content = dict(old_room_pl_state.content)
|
|
users_default = int(pl_content.get("users_default", 0))
|
|
restricted_level = max(users_default + 1, 50)
|
|
|
|
updated = False
|
|
for v in ("invite", "events_default"):
|
|
current = int(pl_content.get(v, 0))
|
|
if current < restricted_level:
|
|
logger.info(
|
|
"Setting level for %s in %s to %i (was %i)",
|
|
v, old_room_id, restricted_level, current,
|
|
)
|
|
pl_content[v] = restricted_level
|
|
updated = True
|
|
else:
|
|
logger.info(
|
|
"Not setting level for %s (already %i)",
|
|
v, current,
|
|
)
|
|
|
|
if updated:
|
|
try:
|
|
yield self.event_creation_handler.create_and_send_nonmember_event(
|
|
requester, {
|
|
"type": EventTypes.PowerLevels,
|
|
"state_key": '',
|
|
"room_id": old_room_id,
|
|
"sender": requester.user.to_string(),
|
|
"content": pl_content,
|
|
}, ratelimit=False,
|
|
)
|
|
except AuthError as e:
|
|
logger.warning("Unable to update PLs in old room: %s", e)
|
|
|
|
logger.info("Setting correct PLs in new room")
|
|
yield self.event_creation_handler.create_and_send_nonmember_event(
|
|
requester, {
|
|
"type": EventTypes.PowerLevels,
|
|
"state_key": '',
|
|
"room_id": new_room_id,
|
|
"sender": requester.user.to_string(),
|
|
"content": old_room_pl_state.content,
|
|
}, ratelimit=False,
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
def clone_exiting_room(
|
|
self, requester, old_room_id, new_room_id, new_room_version,
|
|
tombstone_event_id,
|
|
):
|
|
"""Populate a new room based on an old room
|
|
|
|
Args:
|
|
requester (synapse.types.Requester): the user requesting the upgrade
|
|
old_room_id (unicode): the id of the room to be replaced
|
|
new_room_id (unicode): the id to give the new room (should already have been
|
|
created with _gemerate_room_id())
|
|
new_room_version (unicode): the new room version to use
|
|
tombstone_event_id (unicode|str): the ID of the tombstone event in the old
|
|
room.
|
|
Returns:
|
|
Deferred[None]
|
|
"""
|
|
user_id = requester.user.to_string()
|
|
|
|
if not self.spam_checker.user_may_create_room(user_id):
|
|
raise SynapseError(403, "You are not permitted to create rooms")
|
|
|
|
# XXX check alias is free
|
|
# canonical_alias = None
|
|
|
|
# XXX create association in directory handler
|
|
|
|
creation_content = {
|
|
"room_version": new_room_version,
|
|
"predecessor": {
|
|
"room_id": old_room_id,
|
|
"event_id": tombstone_event_id,
|
|
}
|
|
}
|
|
|
|
initial_state = dict()
|
|
|
|
types_to_copy = (
|
|
(EventTypes.JoinRules, ""),
|
|
(EventTypes.Name, ""),
|
|
(EventTypes.Topic, ""),
|
|
(EventTypes.RoomHistoryVisibility, ""),
|
|
(EventTypes.GuestAccess, ""),
|
|
(EventTypes.RoomAvatar, ""),
|
|
)
|
|
|
|
old_room_state_ids = yield self.store.get_filtered_current_state_ids(
|
|
old_room_id, StateFilter.from_types(types_to_copy),
|
|
)
|
|
# map from event_id to BaseEvent
|
|
old_room_state_events = yield self.store.get_events(old_room_state_ids.values())
|
|
|
|
for k, old_event_id in iteritems(old_room_state_ids):
|
|
old_event = old_room_state_events.get(old_event_id)
|
|
if old_event:
|
|
initial_state[k] = old_event.content
|
|
|
|
yield self._send_events_for_new_room(
|
|
requester,
|
|
new_room_id,
|
|
|
|
# we expect to override all the presets with initial_state, so this is
|
|
# somewhat arbitrary.
|
|
preset_config=RoomCreationPreset.PRIVATE_CHAT,
|
|
|
|
invite_list=[],
|
|
initial_state=initial_state,
|
|
creation_content=creation_content,
|
|
)
|
|
|
|
# XXX invites/joins
|
|
# XXX 3pid invites
|
|
# XXX directory_handler.send_room_alias_update_event
|
|
|
|
@defer.inlineCallbacks
|
|
def create_room(self, requester, config, ratelimit=True,
|
|
creator_join_profile=None):
|
|
""" Creates a new room.
|
|
|
|
Args:
|
|
requester (synapse.types.Requester):
|
|
The user who requested the room creation.
|
|
config (dict) : A dict of configuration options.
|
|
ratelimit (bool): set to False to disable the rate limiter
|
|
|
|
creator_join_profile (dict|None):
|
|
Set to override the displayname and avatar for the creating
|
|
user in this room. If unset, displayname and avatar will be
|
|
derived from the user's profile. If set, should contain the
|
|
values to go in the body of the 'join' event (typically
|
|
`avatar_url` and/or `displayname`.
|
|
|
|
Returns:
|
|
Deferred[dict]:
|
|
a dict containing the keys `room_id` and, if an alias was
|
|
requested, `room_alias`.
|
|
Raises:
|
|
SynapseError if the room ID couldn't be stored, or something went
|
|
horribly wrong.
|
|
ResourceLimitError if server is blocked to some resource being
|
|
exceeded
|
|
"""
|
|
user_id = requester.user.to_string()
|
|
|
|
self.auth.check_auth_blocking(user_id)
|
|
|
|
if not self.spam_checker.user_may_create_room(user_id):
|
|
raise SynapseError(403, "You are not permitted to create rooms")
|
|
|
|
if ratelimit:
|
|
yield self.ratelimit(requester)
|
|
|
|
room_version = config.get("room_version", DEFAULT_ROOM_VERSION)
|
|
if not isinstance(room_version, string_types):
|
|
raise SynapseError(
|
|
400,
|
|
"room_version must be a string",
|
|
Codes.BAD_JSON,
|
|
)
|
|
|
|
if room_version not in KNOWN_ROOM_VERSIONS:
|
|
raise SynapseError(
|
|
400,
|
|
"Your homeserver does not support this room version",
|
|
Codes.UNSUPPORTED_ROOM_VERSION,
|
|
)
|
|
|
|
if "room_alias_name" in config:
|
|
for wchar in string.whitespace:
|
|
if wchar in config["room_alias_name"]:
|
|
raise SynapseError(400, "Invalid characters in room alias")
|
|
|
|
room_alias = RoomAlias(
|
|
config["room_alias_name"],
|
|
self.hs.hostname,
|
|
)
|
|
mapping = yield self.store.get_association_from_room_alias(
|
|
room_alias
|
|
)
|
|
|
|
if mapping:
|
|
raise SynapseError(
|
|
400,
|
|
"Room alias already taken",
|
|
Codes.ROOM_IN_USE
|
|
)
|
|
else:
|
|
room_alias = None
|
|
|
|
invite_list = config.get("invite", [])
|
|
for i in invite_list:
|
|
try:
|
|
UserID.from_string(i)
|
|
except Exception:
|
|
raise SynapseError(400, "Invalid user_id: %s" % (i,))
|
|
|
|
yield self.event_creation_handler.assert_accepted_privacy_policy(
|
|
requester,
|
|
)
|
|
|
|
invite_3pid_list = config.get("invite_3pid", [])
|
|
|
|
visibility = config.get("visibility", None)
|
|
is_public = visibility == "public"
|
|
|
|
room_id = yield self._generate_room_id(creator_id=user_id, is_public=is_public)
|
|
|
|
if room_alias:
|
|
directory_handler = self.hs.get_handlers().directory_handler
|
|
yield directory_handler.create_association(
|
|
requester=requester,
|
|
room_id=room_id,
|
|
room_alias=room_alias,
|
|
servers=[self.hs.hostname],
|
|
send_event=False,
|
|
)
|
|
|
|
preset_config = config.get(
|
|
"preset",
|
|
RoomCreationPreset.PRIVATE_CHAT
|
|
if visibility == "private"
|
|
else RoomCreationPreset.PUBLIC_CHAT
|
|
)
|
|
|
|
raw_initial_state = config.get("initial_state", [])
|
|
|
|
initial_state = OrderedDict()
|
|
for val in raw_initial_state:
|
|
initial_state[(val["type"], val.get("state_key", ""))] = val["content"]
|
|
|
|
creation_content = config.get("creation_content", {})
|
|
|
|
# override any attempt to set room versions via the creation_content
|
|
creation_content["room_version"] = room_version
|
|
|
|
yield self._send_events_for_new_room(
|
|
requester,
|
|
room_id,
|
|
preset_config=preset_config,
|
|
invite_list=invite_list,
|
|
initial_state=initial_state,
|
|
creation_content=creation_content,
|
|
room_alias=room_alias,
|
|
power_level_content_override=config.get("power_level_content_override"),
|
|
creator_join_profile=creator_join_profile,
|
|
)
|
|
|
|
if "name" in config:
|
|
name = config["name"]
|
|
yield self.event_creation_handler.create_and_send_nonmember_event(
|
|
requester,
|
|
{
|
|
"type": EventTypes.Name,
|
|
"room_id": room_id,
|
|
"sender": user_id,
|
|
"state_key": "",
|
|
"content": {"name": name},
|
|
},
|
|
ratelimit=False)
|
|
|
|
if "topic" in config:
|
|
topic = config["topic"]
|
|
yield self.event_creation_handler.create_and_send_nonmember_event(
|
|
requester,
|
|
{
|
|
"type": EventTypes.Topic,
|
|
"room_id": room_id,
|
|
"sender": user_id,
|
|
"state_key": "",
|
|
"content": {"topic": topic},
|
|
},
|
|
ratelimit=False)
|
|
|
|
for invitee in invite_list:
|
|
content = {}
|
|
is_direct = config.get("is_direct", None)
|
|
if is_direct:
|
|
content["is_direct"] = is_direct
|
|
|
|
yield self.room_member_handler.update_membership(
|
|
requester,
|
|
UserID.from_string(invitee),
|
|
room_id,
|
|
"invite",
|
|
ratelimit=False,
|
|
content=content,
|
|
)
|
|
|
|
for invite_3pid in invite_3pid_list:
|
|
id_server = invite_3pid["id_server"]
|
|
address = invite_3pid["address"]
|
|
medium = invite_3pid["medium"]
|
|
yield self.hs.get_room_member_handler().do_3pid_invite(
|
|
room_id,
|
|
requester.user,
|
|
medium,
|
|
address,
|
|
id_server,
|
|
requester,
|
|
txn_id=None,
|
|
)
|
|
|
|
result = {"room_id": room_id}
|
|
|
|
if room_alias:
|
|
result["room_alias"] = room_alias.to_string()
|
|
yield directory_handler.send_room_alias_update_event(
|
|
requester, room_id
|
|
)
|
|
|
|
defer.returnValue(result)
|
|
|
|
@defer.inlineCallbacks
|
|
def _send_events_for_new_room(
|
|
self,
|
|
creator, # A Requester object.
|
|
room_id,
|
|
preset_config,
|
|
invite_list,
|
|
initial_state,
|
|
creation_content,
|
|
room_alias=None,
|
|
power_level_content_override=None,
|
|
creator_join_profile=None,
|
|
):
|
|
def create(etype, content, **kwargs):
|
|
e = {
|
|
"type": etype,
|
|
"content": content,
|
|
}
|
|
|
|
e.update(event_keys)
|
|
e.update(kwargs)
|
|
|
|
return e
|
|
|
|
@defer.inlineCallbacks
|
|
def send(etype, content, **kwargs):
|
|
event = create(etype, content, **kwargs)
|
|
yield self.event_creation_handler.create_and_send_nonmember_event(
|
|
creator,
|
|
event,
|
|
ratelimit=False
|
|
)
|
|
|
|
config = RoomCreationHandler.PRESETS_DICT[preset_config]
|
|
|
|
creator_id = creator.user.to_string()
|
|
|
|
event_keys = {
|
|
"room_id": room_id,
|
|
"sender": creator_id,
|
|
"state_key": "",
|
|
}
|
|
|
|
creation_content.update({"creator": creator_id})
|
|
yield send(
|
|
etype=EventTypes.Create,
|
|
content=creation_content,
|
|
)
|
|
|
|
yield self.room_member_handler.update_membership(
|
|
creator,
|
|
creator.user,
|
|
room_id,
|
|
"join",
|
|
ratelimit=False,
|
|
content=creator_join_profile,
|
|
)
|
|
|
|
# We treat the power levels override specially as this needs to be one
|
|
# of the first events that get sent into a room.
|
|
pl_content = initial_state.pop((EventTypes.PowerLevels, ''), None)
|
|
if pl_content is not None:
|
|
yield send(
|
|
etype=EventTypes.PowerLevels,
|
|
content=pl_content,
|
|
)
|
|
else:
|
|
power_level_content = {
|
|
"users": {
|
|
creator_id: 100,
|
|
},
|
|
"users_default": 0,
|
|
"events": {
|
|
EventTypes.Name: 50,
|
|
EventTypes.PowerLevels: 100,
|
|
EventTypes.RoomHistoryVisibility: 100,
|
|
EventTypes.CanonicalAlias: 50,
|
|
EventTypes.RoomAvatar: 50,
|
|
},
|
|
"events_default": 0,
|
|
"state_default": 50,
|
|
"ban": 50,
|
|
"kick": 50,
|
|
"redact": 50,
|
|
"invite": 0,
|
|
}
|
|
|
|
if config["original_invitees_have_ops"]:
|
|
for invitee in invite_list:
|
|
power_level_content["users"][invitee] = 100
|
|
|
|
if power_level_content_override:
|
|
power_level_content.update(power_level_content_override)
|
|
|
|
yield send(
|
|
etype=EventTypes.PowerLevels,
|
|
content=power_level_content,
|
|
)
|
|
|
|
if room_alias and (EventTypes.CanonicalAlias, '') not in initial_state:
|
|
yield send(
|
|
etype=EventTypes.CanonicalAlias,
|
|
content={"alias": room_alias.to_string()},
|
|
)
|
|
|
|
if (EventTypes.JoinRules, '') not in initial_state:
|
|
yield send(
|
|
etype=EventTypes.JoinRules,
|
|
content={"join_rule": config["join_rules"]},
|
|
)
|
|
|
|
if (EventTypes.RoomHistoryVisibility, '') not in initial_state:
|
|
yield send(
|
|
etype=EventTypes.RoomHistoryVisibility,
|
|
content={"history_visibility": config["history_visibility"]}
|
|
)
|
|
|
|
if config["guest_can_join"]:
|
|
if (EventTypes.GuestAccess, '') not in initial_state:
|
|
yield send(
|
|
etype=EventTypes.GuestAccess,
|
|
content={"guest_access": "can_join"}
|
|
)
|
|
|
|
for (etype, state_key), content in initial_state.items():
|
|
yield send(
|
|
etype=etype,
|
|
state_key=state_key,
|
|
content=content,
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
def _generate_room_id(self, creator_id, is_public):
|
|
# 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
|
|
while attempts < 5:
|
|
try:
|
|
random_string = stringutils.random_string(18)
|
|
gen_room_id = RoomID(
|
|
random_string,
|
|
self.hs.hostname,
|
|
).to_string()
|
|
if isinstance(gen_room_id, bytes):
|
|
gen_room_id = gen_room_id.decode('utf-8')
|
|
yield self.store.store_room(
|
|
room_id=gen_room_id,
|
|
room_creator_user_id=creator_id,
|
|
is_public=is_public,
|
|
)
|
|
defer.returnValue(gen_room_id)
|
|
except StoreError:
|
|
attempts += 1
|
|
raise StoreError(500, "Couldn't generate a room ID.")
|
|
|
|
|
|
class RoomContextHandler(object):
|
|
def __init__(self, hs):
|
|
self.hs = hs
|
|
self.store = hs.get_datastore()
|
|
|
|
@defer.inlineCallbacks
|
|
def get_event_context(self, user, room_id, event_id, limit, event_filter):
|
|
"""Retrieves events, pagination tokens and state around a given event
|
|
in a room.
|
|
|
|
Args:
|
|
user (UserID)
|
|
room_id (str)
|
|
event_id (str)
|
|
limit (int): The maximum number of events to return in total
|
|
(excluding state).
|
|
event_filter (Filter|None): the filter to apply to the events returned
|
|
(excluding the target event_id)
|
|
|
|
Returns:
|
|
dict, or None if the event isn't found
|
|
"""
|
|
before_limit = math.floor(limit / 2.)
|
|
after_limit = limit - before_limit
|
|
|
|
users = yield self.store.get_users_in_room(room_id)
|
|
is_peeking = user.to_string() not in users
|
|
|
|
def filter_evts(events):
|
|
return filter_events_for_client(
|
|
self.store,
|
|
user.to_string(),
|
|
events,
|
|
is_peeking=is_peeking
|
|
)
|
|
|
|
event = yield self.store.get_event(event_id, get_prev_content=True,
|
|
allow_none=True)
|
|
if not event:
|
|
defer.returnValue(None)
|
|
return
|
|
|
|
filtered = yield(filter_evts([event]))
|
|
if not filtered:
|
|
raise AuthError(
|
|
403,
|
|
"You don't have permission to access that event."
|
|
)
|
|
|
|
results = yield self.store.get_events_around(
|
|
room_id, event_id, before_limit, after_limit, event_filter
|
|
)
|
|
|
|
results["events_before"] = yield filter_evts(results["events_before"])
|
|
results["events_after"] = yield filter_evts(results["events_after"])
|
|
results["event"] = event
|
|
|
|
if results["events_after"]:
|
|
last_event_id = results["events_after"][-1].event_id
|
|
else:
|
|
last_event_id = event_id
|
|
|
|
if event_filter and event_filter.lazy_load_members():
|
|
state_filter = StateFilter.from_lazy_load_member_list(
|
|
ev.sender
|
|
for ev in itertools.chain(
|
|
results["events_before"],
|
|
(results["event"],),
|
|
results["events_after"],
|
|
)
|
|
)
|
|
else:
|
|
state_filter = StateFilter.all()
|
|
|
|
# XXX: why do we return the state as of the last event rather than the
|
|
# first? Shouldn't we be consistent with /sync?
|
|
# https://github.com/matrix-org/matrix-doc/issues/687
|
|
|
|
state = yield self.store.get_state_for_events(
|
|
[last_event_id], state_filter=state_filter,
|
|
)
|
|
results["state"] = list(state[last_event_id].values())
|
|
|
|
# We use a dummy token here as we only care about the room portion of
|
|
# the token, which we replace.
|
|
token = StreamToken.START
|
|
|
|
results["start"] = token.copy_and_replace(
|
|
"room_key", results["start"]
|
|
).to_string()
|
|
|
|
results["end"] = token.copy_and_replace(
|
|
"room_key", results["end"]
|
|
).to_string()
|
|
|
|
defer.returnValue(results)
|
|
|
|
|
|
class RoomEventSource(object):
|
|
def __init__(self, hs):
|
|
self.store = hs.get_datastore()
|
|
|
|
@defer.inlineCallbacks
|
|
def get_new_events(
|
|
self,
|
|
user,
|
|
from_key,
|
|
limit,
|
|
room_ids,
|
|
is_guest,
|
|
explicit_room_id=None,
|
|
):
|
|
# We just ignore the key for now.
|
|
|
|
to_key = yield self.get_current_key()
|
|
|
|
from_token = RoomStreamToken.parse(from_key)
|
|
if from_token.topological:
|
|
logger.warn("Stream has topological part!!!! %r", from_key)
|
|
from_key = "s%s" % (from_token.stream,)
|
|
|
|
app_service = self.store.get_app_service_by_user_id(
|
|
user.to_string()
|
|
)
|
|
if app_service:
|
|
# We no longer support AS users using /sync directly.
|
|
# See https://github.com/matrix-org/matrix-doc/issues/1144
|
|
raise NotImplementedError()
|
|
else:
|
|
room_events = yield self.store.get_membership_changes_for_user(
|
|
user.to_string(), from_key, to_key
|
|
)
|
|
|
|
room_to_events = yield self.store.get_room_events_stream_for_rooms(
|
|
room_ids=room_ids,
|
|
from_key=from_key,
|
|
to_key=to_key,
|
|
limit=limit or 10,
|
|
order='ASC',
|
|
)
|
|
|
|
events = list(room_events)
|
|
events.extend(e for evs, _ in room_to_events.values() for e in evs)
|
|
|
|
events.sort(key=lambda e: e.internal_metadata.order)
|
|
|
|
if limit:
|
|
events[:] = events[:limit]
|
|
|
|
if events:
|
|
end_key = events[-1].internal_metadata.after
|
|
else:
|
|
end_key = to_key
|
|
|
|
defer.returnValue((events, end_key))
|
|
|
|
def get_current_key(self):
|
|
return self.store.get_room_events_max_id()
|
|
|
|
def get_current_key_for_room(self, room_id):
|
|
return self.store.get_room_events_max_id(room_id)
|
|
|
|
@defer.inlineCallbacks
|
|
def get_pagination_rows(self, user, config, key):
|
|
events, next_key = yield self.store.paginate_room_events(
|
|
room_id=key,
|
|
from_key=config.from_key,
|
|
to_key=config.to_key,
|
|
direction=config.direction,
|
|
limit=config.limit,
|
|
)
|
|
|
|
defer.returnValue((events, next_key))
|