123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399 |
- # -*- 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
- 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_joined_hosts_for_room.invalidate, (event.room_id,))
- txn.call_after(self.get_users_in_room.invalidate, (event.room_id,))
- txn.call_after(
- self.get_users_with_pushers_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)
- 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.
- """
- return self.runInteraction(
- "get_room_members",
- self._get_members_events_txn,
- room_id,
- membership=membership,
- ).addCallback(self._get_events)
- @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
- @cached(max_entries=5000)
- def get_joined_hosts_for_room(self, room_id):
- return self.runInteraction(
- "get_joined_hosts_for_room",
- self._get_joined_hosts_for_room_txn,
- room_id,
- )
- def _get_joined_hosts_for_room_txn(self, txn, room_id):
- rows = self._get_members_rows_txn(
- txn,
- room_id, membership=Membership.JOIN
- )
- joined_domains = set(get_domain_from_id(r["user_id"]) for r in rows)
- return joined_domains
- def _get_members_events_txn(self, txn, room_id, membership=None, user_id=None):
- rows = self._get_members_rows_txn(
- txn,
- room_id, membership, user_id,
- )
- return [r["event_id"] for r in rows]
- 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],
- )
- @defer.inlineCallbacks
- 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))
- yield self.runInteraction("forget_membership", f)
- self.was_forgotten_at.invalidate_all()
- self.who_forgot_in_room.invalidate_all()
- self.did_forget.invalidate((user_id, room_id))
- @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"
- )
|