mirror of
https://git.anonymousland.org/anonymousland/synapse-product.git
synced 2025-01-19 05:01:34 -05:00
db24d7f15e
Fixes handling of rooms where we have permission to send the tombstone, but not other state. We need to (a) fail more gracefully when we can't send the PLs in the old room, and (b) not set the PLs in the new room until we are done with the other stuff.
826 lines
28 KiB
Python
826 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, "")
|
|
)
|
|
|
|
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))
|