mirror of
https://mau.dev/maunium/synapse.git
synced 2024-08-26 20:22:22 +00:00
451 lines
16 KiB
Python
451 lines
16 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2014-2016 OpenMarket 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.
|
|
|
|
from twisted.internet import defer
|
|
|
|
from collections import namedtuple
|
|
|
|
from ._base import SQLBaseStore
|
|
from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
|
|
|
|
from synapse.api.constants import Membership, EventTypes
|
|
from synapse.types import get_domain_from_id
|
|
|
|
import logging
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
RoomsForUser = namedtuple(
|
|
"RoomsForUser",
|
|
("room_id", "sender", "membership", "event_id", "stream_ordering")
|
|
)
|
|
|
|
|
|
class RoomMemberStore(SQLBaseStore):
|
|
|
|
def _store_room_members_txn(self, txn, events, backfilled):
|
|
"""Store a room member in the database.
|
|
"""
|
|
self._simple_insert_many_txn(
|
|
txn,
|
|
table="room_memberships",
|
|
values=[
|
|
{
|
|
"event_id": event.event_id,
|
|
"user_id": event.state_key,
|
|
"sender": event.user_id,
|
|
"room_id": event.room_id,
|
|
"membership": event.membership,
|
|
}
|
|
for event in events
|
|
]
|
|
)
|
|
|
|
for event in events:
|
|
txn.call_after(self.get_rooms_for_user.invalidate, (event.state_key,))
|
|
txn.call_after(self.get_users_in_room.invalidate, (event.room_id,))
|
|
txn.call_after(
|
|
self._membership_stream_cache.entity_has_changed,
|
|
event.state_key, event.internal_metadata.stream_ordering
|
|
)
|
|
txn.call_after(
|
|
self.get_invited_rooms_for_user.invalidate, (event.state_key,)
|
|
)
|
|
|
|
# We update the local_invites table only if the event is "current",
|
|
# i.e., its something that has just happened.
|
|
# The only current event that can also be an outlier is if its an
|
|
# invite that has come in across federation.
|
|
is_new_state = not backfilled and (
|
|
not event.internal_metadata.is_outlier()
|
|
or event.internal_metadata.is_invite_from_remote()
|
|
)
|
|
is_mine = self.hs.is_mine_id(event.state_key)
|
|
if is_new_state and is_mine:
|
|
if event.membership == Membership.INVITE:
|
|
self._simple_insert_txn(
|
|
txn,
|
|
table="local_invites",
|
|
values={
|
|
"event_id": event.event_id,
|
|
"invitee": event.state_key,
|
|
"inviter": event.sender,
|
|
"room_id": event.room_id,
|
|
"stream_id": event.internal_metadata.stream_ordering,
|
|
}
|
|
)
|
|
else:
|
|
sql = (
|
|
"UPDATE local_invites SET stream_id = ?, replaced_by = ? WHERE"
|
|
" room_id = ? AND invitee = ? AND locally_rejected is NULL"
|
|
" AND replaced_by is NULL"
|
|
)
|
|
|
|
txn.execute(sql, (
|
|
event.internal_metadata.stream_ordering,
|
|
event.event_id,
|
|
event.room_id,
|
|
event.state_key,
|
|
))
|
|
|
|
@defer.inlineCallbacks
|
|
def locally_reject_invite(self, user_id, room_id):
|
|
sql = (
|
|
"UPDATE local_invites SET stream_id = ?, locally_rejected = ? WHERE"
|
|
" room_id = ? AND invitee = ? AND locally_rejected is NULL"
|
|
" AND replaced_by is NULL"
|
|
)
|
|
|
|
def f(txn, stream_ordering):
|
|
txn.execute(sql, (
|
|
stream_ordering,
|
|
True,
|
|
room_id,
|
|
user_id,
|
|
))
|
|
|
|
with self._stream_id_gen.get_next() as stream_ordering:
|
|
yield self.runInteraction("locally_reject_invite", f, stream_ordering)
|
|
|
|
@cached(max_entries=5000)
|
|
def get_users_in_room(self, room_id):
|
|
def f(txn):
|
|
|
|
rows = self._get_members_rows_txn(
|
|
txn,
|
|
room_id=room_id,
|
|
membership=Membership.JOIN,
|
|
)
|
|
|
|
return [r["user_id"] for r in rows]
|
|
return self.runInteraction("get_users_in_room", f)
|
|
|
|
@cached()
|
|
def get_invited_rooms_for_user(self, user_id):
|
|
""" Get all the rooms the user is invited to
|
|
Args:
|
|
user_id (str): The user ID.
|
|
Returns:
|
|
A deferred list of RoomsForUser.
|
|
"""
|
|
|
|
return self.get_rooms_for_user_where_membership_is(
|
|
user_id, [Membership.INVITE]
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
def get_invite_for_user_in_room(self, user_id, room_id):
|
|
"""Gets the invite for the given user and room
|
|
|
|
Args:
|
|
user_id (str)
|
|
room_id (str)
|
|
|
|
Returns:
|
|
Deferred: Resolves to either a RoomsForUser or None if no invite was
|
|
found.
|
|
"""
|
|
invites = yield self.get_invited_rooms_for_user(user_id)
|
|
for invite in invites:
|
|
if invite.room_id == room_id:
|
|
defer.returnValue(invite)
|
|
defer.returnValue(None)
|
|
|
|
def get_rooms_for_user_where_membership_is(self, user_id, membership_list):
|
|
""" Get all the rooms for this user where the membership for this user
|
|
matches one in the membership list.
|
|
|
|
Args:
|
|
user_id (str): The user ID.
|
|
membership_list (list): A list of synapse.api.constants.Membership
|
|
values which the user must be in.
|
|
Returns:
|
|
A list of dictionary objects, with room_id, membership and sender
|
|
defined.
|
|
"""
|
|
if not membership_list:
|
|
return defer.succeed(None)
|
|
|
|
return self.runInteraction(
|
|
"get_rooms_for_user_where_membership_is",
|
|
self._get_rooms_for_user_where_membership_is_txn,
|
|
user_id, membership_list
|
|
)
|
|
|
|
def _get_rooms_for_user_where_membership_is_txn(self, txn, user_id,
|
|
membership_list):
|
|
|
|
do_invite = Membership.INVITE in membership_list
|
|
membership_list = [m for m in membership_list if m != Membership.INVITE]
|
|
|
|
results = []
|
|
if membership_list:
|
|
where_clause = "user_id = ? AND (%s) AND forgotten = 0" % (
|
|
" OR ".join(["membership = ?" for _ in membership_list]),
|
|
)
|
|
|
|
args = [user_id]
|
|
args.extend(membership_list)
|
|
|
|
sql = (
|
|
"SELECT m.room_id, m.sender, m.membership, m.event_id, e.stream_ordering"
|
|
" FROM current_state_events as c"
|
|
" INNER JOIN room_memberships as m"
|
|
" ON m.event_id = c.event_id"
|
|
" INNER JOIN events as e"
|
|
" ON e.event_id = c.event_id"
|
|
" AND m.room_id = c.room_id"
|
|
" AND m.user_id = c.state_key"
|
|
" WHERE %s"
|
|
) % (where_clause,)
|
|
|
|
txn.execute(sql, args)
|
|
results = [
|
|
RoomsForUser(**r) for r in self.cursor_to_dict(txn)
|
|
]
|
|
|
|
if do_invite:
|
|
sql = (
|
|
"SELECT i.room_id, inviter, i.event_id, e.stream_ordering"
|
|
" FROM local_invites as i"
|
|
" INNER JOIN events as e USING (event_id)"
|
|
" WHERE invitee = ? AND locally_rejected is NULL"
|
|
" AND replaced_by is NULL"
|
|
)
|
|
|
|
txn.execute(sql, (user_id,))
|
|
results.extend(RoomsForUser(
|
|
room_id=r["room_id"],
|
|
sender=r["inviter"],
|
|
event_id=r["event_id"],
|
|
stream_ordering=r["stream_ordering"],
|
|
membership=Membership.INVITE,
|
|
) for r in self.cursor_to_dict(txn))
|
|
|
|
return results
|
|
|
|
def _get_members_rows_txn(self, txn, room_id, membership=None, user_id=None):
|
|
where_clause = "c.room_id = ?"
|
|
where_values = [room_id]
|
|
|
|
if membership:
|
|
where_clause += " AND m.membership = ?"
|
|
where_values.append(membership)
|
|
|
|
if user_id:
|
|
where_clause += " AND m.user_id = ?"
|
|
where_values.append(user_id)
|
|
|
|
sql = (
|
|
"SELECT m.* FROM room_memberships as m"
|
|
" INNER JOIN current_state_events as c"
|
|
" ON m.event_id = c.event_id "
|
|
" AND m.room_id = c.room_id "
|
|
" AND m.user_id = c.state_key"
|
|
" WHERE %(where)s"
|
|
) % {
|
|
"where": where_clause,
|
|
}
|
|
|
|
txn.execute(sql, where_values)
|
|
rows = self.cursor_to_dict(txn)
|
|
|
|
return rows
|
|
|
|
@cached(max_entries=5000)
|
|
def get_rooms_for_user(self, user_id):
|
|
return self.get_rooms_for_user_where_membership_is(
|
|
user_id, membership_list=[Membership.JOIN],
|
|
)
|
|
|
|
def forget(self, user_id, room_id):
|
|
"""Indicate that user_id wishes to discard history for room_id."""
|
|
def f(txn):
|
|
sql = (
|
|
"UPDATE"
|
|
" room_memberships"
|
|
" SET"
|
|
" forgotten = 1"
|
|
" WHERE"
|
|
" user_id = ?"
|
|
" AND"
|
|
" room_id = ?"
|
|
)
|
|
txn.execute(sql, (user_id, room_id))
|
|
|
|
txn.call_after(self.was_forgotten_at.invalidate_all)
|
|
txn.call_after(self.did_forget.invalidate, (user_id, room_id))
|
|
self._invalidate_cache_and_stream(
|
|
txn, self.who_forgot_in_room, (room_id,)
|
|
)
|
|
return self.runInteraction("forget_membership", f)
|
|
|
|
@cachedInlineCallbacks(num_args=2)
|
|
def did_forget(self, user_id, room_id):
|
|
"""Returns whether user_id has elected to discard history for room_id.
|
|
|
|
Returns False if they have since re-joined."""
|
|
def f(txn):
|
|
sql = (
|
|
"SELECT"
|
|
" COUNT(*)"
|
|
" FROM"
|
|
" room_memberships"
|
|
" WHERE"
|
|
" user_id = ?"
|
|
" AND"
|
|
" room_id = ?"
|
|
" AND"
|
|
" forgotten = 0"
|
|
)
|
|
txn.execute(sql, (user_id, room_id))
|
|
rows = txn.fetchall()
|
|
return rows[0][0]
|
|
count = yield self.runInteraction("did_forget_membership", f)
|
|
defer.returnValue(count == 0)
|
|
|
|
@cachedInlineCallbacks(num_args=3)
|
|
def was_forgotten_at(self, user_id, room_id, event_id):
|
|
"""Returns whether user_id has elected to discard history for room_id at
|
|
event_id.
|
|
|
|
event_id must be a membership event."""
|
|
def f(txn):
|
|
sql = (
|
|
"SELECT"
|
|
" forgotten"
|
|
" FROM"
|
|
" room_memberships"
|
|
" WHERE"
|
|
" user_id = ?"
|
|
" AND"
|
|
" room_id = ?"
|
|
" AND"
|
|
" event_id = ?"
|
|
)
|
|
txn.execute(sql, (user_id, room_id, event_id))
|
|
rows = txn.fetchall()
|
|
return rows[0][0]
|
|
forgot = yield self.runInteraction("did_forget_membership_at", f)
|
|
defer.returnValue(forgot == 1)
|
|
|
|
@cached()
|
|
def who_forgot_in_room(self, room_id):
|
|
return self._simple_select_list(
|
|
table="room_memberships",
|
|
retcols=("user_id", "event_id"),
|
|
keyvalues={
|
|
"room_id": room_id,
|
|
"forgotten": 1,
|
|
},
|
|
desc="who_forgot"
|
|
)
|
|
|
|
def get_joined_users_from_context(self, event, context):
|
|
state_group = context.state_group
|
|
if not state_group:
|
|
# If state_group is None it means it has yet to be assigned a
|
|
# state group, i.e. we need to make sure that calls with a state_group
|
|
# of None don't hit previous cached calls with a None state_group.
|
|
# To do this we set the state_group to a new object as object() != object()
|
|
state_group = object()
|
|
|
|
return self._get_joined_users_from_context(
|
|
event.room_id, state_group, context.current_state_ids, event=event,
|
|
)
|
|
|
|
def get_joined_users_from_state(self, room_id, state_group, state_ids):
|
|
if not state_group:
|
|
# If state_group is None it means it has yet to be assigned a
|
|
# state group, i.e. we need to make sure that calls with a state_group
|
|
# of None don't hit previous cached calls with a None state_group.
|
|
# To do this we set the state_group to a new object as object() != object()
|
|
state_group = object()
|
|
|
|
return self._get_joined_users_from_context(
|
|
room_id, state_group, state_ids,
|
|
)
|
|
|
|
@cachedInlineCallbacks(num_args=2, cache_context=True)
|
|
def _get_joined_users_from_context(self, room_id, state_group, current_state_ids,
|
|
cache_context, event=None):
|
|
# We don't use `state_group`, its there so that we can cache based
|
|
# on it. However, its important that its never None, since two current_state's
|
|
# with a state_group of None are likely to be different.
|
|
# See bulk_get_push_rules_for_room for how we work around this.
|
|
assert state_group is not None
|
|
|
|
member_event_ids = [
|
|
e_id
|
|
for key, e_id in current_state_ids.iteritems()
|
|
if key[0] == EventTypes.Member
|
|
]
|
|
|
|
rows = yield self._simple_select_many_batch(
|
|
table="room_memberships",
|
|
column="event_id",
|
|
iterable=member_event_ids,
|
|
retcols=['user_id'],
|
|
keyvalues={
|
|
"membership": Membership.JOIN,
|
|
},
|
|
batch_size=500,
|
|
desc="_get_joined_users_from_context",
|
|
)
|
|
|
|
users_in_room = set(row["user_id"] for row in rows)
|
|
if event is not None and event.type == EventTypes.Member:
|
|
if event.membership == Membership.JOIN:
|
|
if event.event_id in member_event_ids:
|
|
users_in_room.add(event.state_key)
|
|
|
|
defer.returnValue(users_in_room)
|
|
|
|
def is_host_joined(self, room_id, host, state_group, state_ids):
|
|
if not state_group:
|
|
# If state_group is None it means it has yet to be assigned a
|
|
# state group, i.e. we need to make sure that calls with a state_group
|
|
# of None don't hit previous cached calls with a None state_group.
|
|
# To do this we set the state_group to a new object as object() != object()
|
|
state_group = object()
|
|
|
|
return self._is_host_joined(
|
|
room_id, host, state_group, state_ids
|
|
)
|
|
|
|
@cachedInlineCallbacks(num_args=3)
|
|
def _is_host_joined(self, room_id, host, state_group, current_state_ids):
|
|
# We don't use `state_group`, its there so that we can cache based
|
|
# on it. However, its important that its never None, since two current_state's
|
|
# with a state_group of None are likely to be different.
|
|
# See bulk_get_push_rules_for_room for how we work around this.
|
|
assert state_group is not None
|
|
|
|
for (etype, state_key), event_id in current_state_ids.items():
|
|
if etype == EventTypes.Member:
|
|
try:
|
|
if get_domain_from_id(state_key) != host:
|
|
continue
|
|
except:
|
|
logger.warn("state_key not user_id: %s", state_key)
|
|
continue
|
|
|
|
event = yield self.get_event(event_id, allow_none=True)
|
|
if event and event.content["membership"] == Membership.JOIN:
|
|
defer.returnValue(True)
|
|
|
|
defer.returnValue(False)
|