synapse-old/synapse/storage/roommember.py

551 lines
20 KiB
Python
Raw Normal View History

2014-08-12 08:10:52 -06:00
# -*- coding: utf-8 -*-
2016-01-06 21:26:29 -07:00
# Copyright 2014-2016 OpenMarket Ltd
2014-08-12 08:10:52 -06:00
#
# 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.
2014-08-12 08:10:52 -06:00
from twisted.internet import defer
from collections import namedtuple
from ._base import SQLBaseStore
from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
2014-08-12 08:10:52 -06:00
from synapse.api.constants import Membership, EventTypes
from synapse.types import get_domain_from_id
2014-08-12 08:10:52 -06:00
import logging
import ujson as json
2014-08-12 08:10:52 -06:00
logger = logging.getLogger(__name__)
RoomsForUser = namedtuple(
"RoomsForUser",
("room_id", "sender", "membership", "event_id", "stream_ordering")
)
_MEMBERSHIP_PROFILE_UPDATE_NAME = "room_membership_profile_update"
2014-08-12 08:10:52 -06:00
class RoomMemberStore(SQLBaseStore):
def __init__(self, hs):
super(RoomMemberStore, self).__init__(hs)
self.register_background_update_handler(
_MEMBERSHIP_PROFILE_UPDATE_NAME, self._background_add_membership_profile
)
2014-08-12 08:10:52 -06:00
2016-04-04 08:52:01 -06:00
def _store_room_members_txn(self, txn, events, backfilled):
"""Store a room member in the database.
"""
2015-06-25 10:18:19 -06:00
self._simple_insert_many_txn(
txn,
2015-06-25 10:18:19 -06:00
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,
"display_name": event.content.get("displayname", None),
"avatar_url": event.content.get("avatar_url", None),
2015-06-25 10:18:19 -06:00
}
for event in events
]
)
2015-06-25 10:18:19 -06:00
for event in events:
2016-01-29 09:52:48 -07:00
txn.call_after(
self._membership_stream_cache.entity_has_changed,
event.state_key, event.internal_metadata.stream_ordering
)
2016-04-04 08:52:01 -06:00
txn.call_after(
self.get_invited_rooms_for_user.invalidate, (event.state_key,)
)
2016-04-04 11:02:48 -06:00
# 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.
2016-04-04 08:52:01 -06:00
is_new_state = not backfilled and (
not event.internal_metadata.is_outlier()
or event.internal_metadata.is_invite_from_remote()
)
2016-04-04 11:02:48 -06:00
is_mine = self.hs.is_mine_id(event.state_key)
2016-04-04 08:52:01 -06:00
if is_new_state and is_mine:
if event.membership == Membership.INVITE:
self._simple_insert_txn(
txn,
2016-04-04 10:07:43 -06:00
table="local_invites",
2016-04-04 08:52:01 -06:00
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 = (
2016-04-04 10:07:43 -06:00
"UPDATE local_invites SET stream_id = ?, replaced_by = ? WHERE"
2016-04-04 08:52:01 -06:00
" 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)
2017-03-24 05:46:22 -06:00
@cachedInlineCallbacks(max_entries=100000, iterable=True, cache_context=True)
def get_hosts_in_room(self, room_id, cache_context):
"""Returns the set of all hosts currently in the room
"""
user_ids = yield self.get_users_in_room(
room_id, on_invalidate=cache_context.invalidate,
)
hosts = frozenset(get_domain_from_id(user_id) for user_id in user_ids)
defer.returnValue(hosts)
@cached(max_entries=500000, iterable=True)
def get_users_in_room(self, room_id):
def f(txn):
sql = (
"SELECT m.user_id 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 c.type = 'm.room.member' AND c.room_id = ? AND m.membership = ?"
)
txn.execute(sql, (room_id, Membership.JOIN,))
return [r[0] for r in txn]
return self.runInteraction("get_users_in_room", f)
2016-01-25 06:53:05 -07:00
@cached()
2016-03-23 04:32:10 -06:00
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:
2016-03-23 04:32:10 -06:00
A deferred list of RoomsForUser.
"""
return self.get_rooms_for_user_where_membership_is(
user_id, [Membership.INVITE]
2016-03-23 04:32:10 -06:00
)
2016-04-04 08:52:01 -06:00
@defer.inlineCallbacks
2016-04-04 11:02:48 -06:00
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.
"""
2016-04-04 08:52:01 -06:00
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)
2014-08-12 08:10:52 -06:00
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.
2014-08-12 08:10:52 -06:00
"""
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,
2015-03-02 04:23:46 -07:00
membership_list):
2014-08-12 08:10:52 -06:00
2016-04-04 08:52:01 -06:00
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 c.type = 'm.room.member' AND %s"
2016-04-04 08:52:01 -06:00
) % (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"
2016-04-04 10:07:43 -06:00
" FROM local_invites as i"
2016-04-04 08:52:01 -06:00
" 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
2014-08-12 08:10:52 -06:00
2017-03-16 05:51:46 -06:00
@cachedInlineCallbacks(max_entries=500000, iterable=True)
def get_rooms_for_user(self, user_id):
2017-03-16 07:04:07 -06:00
"""Returns a set of room_ids the user is currently joined to
"""
2017-03-16 05:51:46 -06:00
rooms = yield self.get_rooms_for_user_where_membership_is(
user_id, membership_list=[Membership.JOIN],
)
2017-03-16 05:51:46 -06:00
defer.returnValue(frozenset(r.room_id for r in rooms))
@cachedInlineCallbacks(max_entries=500000, cache_context=True, iterable=True)
def get_users_who_share_room_with_user(self, user_id, cache_context):
2017-02-02 06:09:56 -07:00
"""Returns the set of users who share a room with `user_id`
"""
2017-03-16 05:51:46 -06:00
room_ids = yield self.get_rooms_for_user(
user_id, on_invalidate=cache_context.invalidate,
)
user_who_share_room = set()
2017-03-16 05:51:46 -06:00
for room_id in room_ids:
user_ids = yield self.get_users_in_room(
2017-03-16 05:51:46 -06:00
room_id, on_invalidate=cache_context.invalidate,
)
user_who_share_room.update(user_ids)
defer.returnValue(user_who_share_room)
2015-11-17 15:17:30 -07:00
def forget(self, user_id, room_id):
"""Indicate that user_id wishes to discard history for room_id."""
2015-11-17 15:17:30 -07:00
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)
2015-11-17 15:17:30 -07:00
@cachedInlineCallbacks(num_args=2)
2015-11-17 15:17:30 -07:00
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."""
2015-11-17 15:17:30 -07:00
def f(txn):
sql = (
"SELECT"
" COUNT(*)"
2015-11-19 08:07:21 -07:00
" FROM"
2015-11-17 15:17:30 -07:00
" room_memberships"
" WHERE"
" user_id = ?"
" AND"
" room_id = ?"
" AND"
" forgotten = 0"
2015-11-17 15:17:30 -07:00
)
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"
2015-11-19 08:07:21 -07:00
" 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]
2015-11-19 08:07:21 -07:00
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, iterable=True,
2017-01-16 08:08:17 -07:00
max_entries=100000)
def _get_joined_users_from_context(self, room_id, state_group, current_state_ids,
cache_context, event=None):
2017-01-05 06:39:43 -07:00
# We don't use `state_group`, it's there so that we can cache based
# on it. However, it's important that it's never None, since two current_states
# 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', 'display_name', 'avatar_url'],
keyvalues={
"membership": Membership.JOIN,
2016-08-25 10:49:05 -06:00
},
batch_size=500,
2016-08-25 10:49:05 -06:00
desc="_get_joined_users_from_context",
)
users_in_room = {
row["user_id"]: {
"display_name": row["display_name"],
"avatar_url": row["avatar_url"],
}
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[event.state_key] = {
"display_name": event.content.get("displayname", None),
"avatar_url": event.content.get("avatar_url", None),
}
defer.returnValue(users_in_room)
2016-08-26 03:59:40 -06:00
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()
2016-08-26 06:02:08 -06:00
return self._is_host_joined(
room_id, host, state_group, state_ids
2016-08-26 03:59:40 -06:00
)
@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
2016-08-26 06:02:08 -06:00
event = yield self.get_event(event_id, allow_none=True)
2016-08-26 03:59:40 -06:00
if event and event.content["membership"] == Membership.JOIN:
defer.returnValue(True)
defer.returnValue(False)
@defer.inlineCallbacks
def _background_add_membership_profile(self, progress, batch_size):
target_min_stream_id = progress.get(
"target_min_stream_id_inclusive", self._min_stream_order_on_start
)
max_stream_id = progress.get(
"max_stream_id_exclusive", self._stream_order_on_start + 1
)
INSERT_CLUMP_SIZE = 1000
def add_membership_profile_txn(txn):
sql = ("""
2016-12-14 03:46:58 -07:00
SELECT stream_ordering, event_id, events.room_id, content
FROM events
2016-12-14 03:46:58 -07:00
INNER JOIN room_memberships USING (event_id)
WHERE ? <= stream_ordering AND stream_ordering < ?
AND type = 'm.room.member'
ORDER BY stream_ordering DESC
LIMIT ?
""")
txn.execute(sql, (target_min_stream_id, max_stream_id, batch_size))
rows = self.cursor_to_dict(txn)
if not rows:
return 0
min_stream_id = rows[-1]["stream_ordering"]
to_update = []
for row in rows:
event_id = row["event_id"]
room_id = row["room_id"]
try:
content = json.loads(row["content"])
except:
continue
display_name = content.get("displayname", None)
avatar_url = content.get("avatar_url", None)
if display_name or avatar_url:
to_update.append((
display_name, avatar_url, event_id, room_id
))
to_update_sql = ("""
UPDATE room_memberships SET display_name = ?, avatar_url = ?
WHERE event_id = ? AND room_id = ?
""")
for index in range(0, len(to_update), INSERT_CLUMP_SIZE):
clump = to_update[index:index + INSERT_CLUMP_SIZE]
txn.executemany(to_update_sql, clump)
progress = {
"target_min_stream_id_inclusive": target_min_stream_id,
"max_stream_id_exclusive": min_stream_id,
}
self._background_update_progress_txn(
txn, _MEMBERSHIP_PROFILE_UPDATE_NAME, progress
)
return len(rows)
result = yield self.runInteraction(
_MEMBERSHIP_PROFILE_UPDATE_NAME, add_membership_profile_txn
)
if not result:
yield self._end_background_update(_MEMBERSHIP_PROFILE_UPDATE_NAME)
defer.returnValue(result)