230 lines
7.5 KiB
Python
230 lines
7.5 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2014 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 ._base import SQLBaseStore
|
|
|
|
from synapse.api.constants import Membership
|
|
|
|
import logging
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class RoomMemberStore(SQLBaseStore):
|
|
|
|
def _store_room_member_txn(self, txn, event):
|
|
"""Store a room member in the database.
|
|
"""
|
|
try:
|
|
target_user_id = event.state_key
|
|
domain = self.hs.parse_userid(target_user_id).domain
|
|
except:
|
|
logger.exception(
|
|
"Failed to parse target_user_id=%s", target_user_id
|
|
)
|
|
raise
|
|
|
|
logger.debug(
|
|
"_store_room_member_txn: target_user_id=%s, membership=%s",
|
|
target_user_id,
|
|
event.membership,
|
|
)
|
|
|
|
self._simple_insert_txn(
|
|
txn,
|
|
"room_memberships",
|
|
{
|
|
"event_id": event.event_id,
|
|
"user_id": target_user_id,
|
|
"sender": event.user_id,
|
|
"room_id": event.room_id,
|
|
"membership": event.membership,
|
|
}
|
|
)
|
|
|
|
# Update room hosts table
|
|
if event.membership == Membership.JOIN:
|
|
sql = (
|
|
"INSERT OR IGNORE INTO room_hosts (room_id, host) "
|
|
"VALUES (?, ?)"
|
|
)
|
|
txn.execute(sql, (event.room_id, domain))
|
|
elif event.membership != Membership.INVITE:
|
|
# Check if this was the last person to have left.
|
|
member_events = self._get_members_query_txn(
|
|
txn,
|
|
where_clause=("c.room_id = ? AND m.membership = ?"
|
|
" AND m.user_id != ?"),
|
|
where_values=(event.room_id, Membership.JOIN, target_user_id,)
|
|
)
|
|
|
|
joined_domains = set()
|
|
for e in member_events:
|
|
try:
|
|
joined_domains.add(
|
|
self.hs.parse_userid(e.state_key).domain
|
|
)
|
|
except:
|
|
# FIXME: How do we deal with invalid user ids in the db?
|
|
logger.exception("Invalid user_id: %s", event.state_key)
|
|
|
|
if domain not in joined_domains:
|
|
sql = (
|
|
"DELETE FROM room_hosts WHERE room_id = ? AND host = ?"
|
|
)
|
|
|
|
txn.execute(sql, (event.room_id, domain))
|
|
|
|
@defer.inlineCallbacks
|
|
def get_room_member(self, user_id, room_id):
|
|
"""Retrieve the current state of a room member.
|
|
|
|
Args:
|
|
user_id (str): The member's user ID.
|
|
room_id (str): The room the member is in.
|
|
Returns:
|
|
Deferred: Results in a MembershipEvent or None.
|
|
"""
|
|
rows = yield self._get_members_by_dict({
|
|
"e.room_id": room_id,
|
|
"m.user_id": user_id,
|
|
})
|
|
|
|
defer.returnValue(rows[0] if rows else None)
|
|
|
|
def _get_room_member(self, txn, user_id, room_id):
|
|
sql = (
|
|
"SELECT e.* FROM events as e"
|
|
" INNER JOIN room_memberships as m"
|
|
" ON e.event_id = m.event_id"
|
|
" INNER JOIN current_state_events as c"
|
|
" ON m.event_id = c.event_id"
|
|
" WHERE m.user_id = ? and e.room_id = ?"
|
|
" LIMIT 1"
|
|
)
|
|
txn.execute(sql, (user_id, room_id))
|
|
rows = self.cursor_to_dict(txn)
|
|
if rows:
|
|
return self._parse_events_txn(txn, rows)[0]
|
|
else:
|
|
return None
|
|
|
|
def get_room_members(self, room_id, membership=None):
|
|
"""Retrieve the current room member list for a room.
|
|
|
|
Args:
|
|
room_id (str): The room to get the list of members.
|
|
membership (synapse.api.constants.Membership): The filter to apply
|
|
to this list, or None to return all members with some state
|
|
associated with this room.
|
|
Returns:
|
|
list of namedtuples representing the members in this room.
|
|
"""
|
|
|
|
where = {"m.room_id": room_id}
|
|
if membership:
|
|
where["m.membership"] = membership
|
|
|
|
return self._get_members_by_dict(where)
|
|
|
|
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 RoomMemberEvent objects
|
|
"""
|
|
if not membership_list:
|
|
return defer.succeed(None)
|
|
|
|
args = [user_id]
|
|
args.extend(membership_list)
|
|
|
|
where_clause = "user_id = ? AND (%s)" % (
|
|
" OR ".join(["membership = ?" for _ in membership_list]),
|
|
)
|
|
|
|
return self._get_members_query(where_clause, args)
|
|
|
|
def get_joined_hosts_for_room(self, room_id):
|
|
return self._simple_select_onecol(
|
|
"room_hosts",
|
|
{"room_id": room_id},
|
|
"host"
|
|
)
|
|
|
|
def _get_members_by_dict(self, where_dict):
|
|
clause = " AND ".join("%s = ?" % k for k in where_dict.keys())
|
|
vals = where_dict.values()
|
|
return self._get_members_query(clause, vals)
|
|
|
|
def _get_members_query(self, where_clause, where_values):
|
|
return self.runInteraction(
|
|
"get_members_query", self._get_members_query_txn,
|
|
where_clause, where_values
|
|
)
|
|
|
|
def _get_members_query_txn(self, txn, where_clause, where_values):
|
|
del_sql = (
|
|
"SELECT event_id FROM redactions WHERE redacts = e.event_id "
|
|
"LIMIT 1"
|
|
)
|
|
|
|
sql = (
|
|
"SELECT e.*, (%(redacted)s) AS redacted FROM events as e "
|
|
"INNER JOIN room_memberships as m "
|
|
"ON e.event_id = m.event_id "
|
|
"INNER JOIN current_state_events as c "
|
|
"ON m.event_id = c.event_id "
|
|
"WHERE %(where)s "
|
|
) % {
|
|
"redacted": del_sql,
|
|
"where": where_clause,
|
|
}
|
|
|
|
txn.execute(sql, where_values)
|
|
rows = self.cursor_to_dict(txn)
|
|
|
|
results = self._parse_events_txn(txn, rows)
|
|
return results
|
|
|
|
@defer.inlineCallbacks
|
|
def user_rooms_intersect(self, user_id_list):
|
|
""" Checks whether all the users whose IDs are given in a list share a
|
|
room.
|
|
"""
|
|
user_list_clause = " OR ".join(["m.user_id = ?"] * len(user_id_list))
|
|
sql = (
|
|
"SELECT m.room_id FROM room_memberships as m "
|
|
"INNER JOIN current_state_events as c "
|
|
"ON m.event_id = c.event_id "
|
|
"WHERE m.membership = 'join' "
|
|
"AND (%(clause)s) "
|
|
"GROUP BY m.room_id HAVING COUNT(m.room_id) = ?"
|
|
) % {"clause": user_list_clause}
|
|
|
|
args = list(user_id_list)
|
|
args.append(len(user_id_list))
|
|
|
|
rows = yield self._execute(None, sql, *args)
|
|
|
|
defer.returnValue(len(rows) > 0)
|