297 lines
10 KiB
Python
297 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014-2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from twisted.internet import defer
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from .appservice import (
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ApplicationServiceStore, ApplicationServiceTransactionStore
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)
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from ._base import Cache
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from .directory import DirectoryStore
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from .events import EventsStore
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from .presence import PresenceStore, UserPresenceState
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from .profile import ProfileStore
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from .registration import RegistrationStore
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from .room import RoomStore
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from .roommember import RoomMemberStore
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from .stream import StreamStore
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from .transactions import TransactionStore
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from .keys import KeyStore
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from .event_federation import EventFederationStore
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from .pusher import PusherStore
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from .push_rule import PushRuleStore
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from .media_repository import MediaRepositoryStore
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from .rejections import RejectionsStore
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from .event_push_actions import EventPushActionsStore
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from .state import StateStore
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from .signatures import SignatureStore
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from .filtering import FilteringStore
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from .end_to_end_keys import EndToEndKeyStore
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from .receipts import ReceiptsStore
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from .search import SearchStore
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from .tags import TagsStore
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from .account_data import AccountDataStore
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from util.id_generators import IdGenerator, StreamIdGenerator
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from synapse.api.constants import PresenceState
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from synapse.util.caches.stream_change_cache import StreamChangeCache
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import logging
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logger = logging.getLogger(__name__)
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# Number of msec of granularity to store the user IP 'last seen' time. Smaller
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# times give more inserts into the database even for readonly API hits
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# 120 seconds == 2 minutes
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LAST_SEEN_GRANULARITY = 120 * 1000
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class DataStore(RoomMemberStore, RoomStore,
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RegistrationStore, StreamStore, ProfileStore,
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PresenceStore, TransactionStore,
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DirectoryStore, KeyStore, StateStore, SignatureStore,
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ApplicationServiceStore,
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EventFederationStore,
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MediaRepositoryStore,
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RejectionsStore,
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FilteringStore,
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PusherStore,
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PushRuleStore,
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ApplicationServiceTransactionStore,
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EventsStore,
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ReceiptsStore,
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EndToEndKeyStore,
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SearchStore,
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TagsStore,
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AccountDataStore,
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EventPushActionsStore
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):
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def __init__(self, db_conn, hs):
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self.hs = hs
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self.database_engine = hs.database_engine
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cur = db_conn.cursor()
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try:
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cur.execute("SELECT MIN(stream_ordering) FROM events",)
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rows = cur.fetchall()
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self.min_stream_token = rows[0][0] if rows and rows[0] and rows[0][0] else -1
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self.min_stream_token = min(self.min_stream_token, -1)
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finally:
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cur.close()
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self.client_ip_last_seen = Cache(
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name="client_ip_last_seen",
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keylen=4,
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)
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self._stream_id_gen = StreamIdGenerator(
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db_conn, "events", "stream_ordering"
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)
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self._receipts_id_gen = StreamIdGenerator(
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db_conn, "receipts_linearized", "stream_id"
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)
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self._account_data_id_gen = StreamIdGenerator(
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db_conn, "account_data_max_stream_id", "stream_id"
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)
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self._presence_id_gen = StreamIdGenerator(
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db_conn, "presence_stream", "stream_id"
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)
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self._transaction_id_gen = IdGenerator("sent_transactions", "id", self)
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self._state_groups_id_gen = IdGenerator("state_groups", "id", self)
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self._access_tokens_id_gen = IdGenerator("access_tokens", "id", self)
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self._refresh_tokens_id_gen = IdGenerator("refresh_tokens", "id", self)
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self._pushers_id_gen = IdGenerator("pushers", "id", self)
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self._push_rule_id_gen = IdGenerator("push_rules", "id", self)
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self._push_rules_enable_id_gen = IdGenerator("push_rules_enable", "id", self)
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events_max = self._stream_id_gen.get_max_token()
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event_cache_prefill, min_event_val = self._get_cache_dict(
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db_conn, "events",
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entity_column="room_id",
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stream_column="stream_ordering",
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max_value=events_max,
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)
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self._events_stream_cache = StreamChangeCache(
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"EventsRoomStreamChangeCache", min_event_val,
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prefilled_cache=event_cache_prefill,
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)
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self._membership_stream_cache = StreamChangeCache(
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"MembershipStreamChangeCache", events_max,
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)
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account_max = self._account_data_id_gen.get_max_token()
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self._account_data_stream_cache = StreamChangeCache(
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"AccountDataAndTagsChangeCache", account_max,
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)
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self.__presence_on_startup = self._get_active_presence(db_conn)
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presence_cache_prefill, min_presence_val = self._get_cache_dict(
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db_conn, "presence_stream",
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entity_column="user_id",
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stream_column="stream_id",
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max_value=self._presence_id_gen.get_max_token(),
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)
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self.presence_stream_cache = StreamChangeCache(
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"PresenceStreamChangeCache", min_presence_val,
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prefilled_cache=presence_cache_prefill
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)
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super(DataStore, self).__init__(hs)
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def take_presence_startup_info(self):
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active_on_startup = self.__presence_on_startup
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self.__presence_on_startup = None
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return active_on_startup
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def _get_cache_dict(self, db_conn, table, entity_column, stream_column, max_value):
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# Fetch a mapping of room_id -> max stream position for "recent" rooms.
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# It doesn't really matter how many we get, the StreamChangeCache will
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# do the right thing to ensure it respects the max size of cache.
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sql = (
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"SELECT %(entity)s, MAX(%(stream)s) FROM %(table)s"
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" WHERE %(stream)s > ? - 100000"
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" GROUP BY %(entity)s"
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) % {
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"table": table,
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"entity": entity_column,
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"stream": stream_column,
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}
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sql = self.database_engine.convert_param_style(sql)
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txn = db_conn.cursor()
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txn.execute(sql, (int(max_value),))
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rows = txn.fetchall()
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txn.close()
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cache = {
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row[0]: int(row[1])
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for row in rows
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}
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if cache:
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min_val = min(cache.values())
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else:
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min_val = max_value
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return cache, min_val
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def _get_active_presence(self, db_conn):
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"""Fetch non-offline presence from the database so that we can register
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the appropriate time outs.
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"""
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sql = (
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"SELECT user_id, state, last_active_ts, last_federation_update_ts,"
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" last_user_sync_ts, status_msg, currently_active FROM presence_stream"
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" WHERE state != ?"
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)
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sql = self.database_engine.convert_param_style(sql)
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txn = db_conn.cursor()
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txn.execute(sql, (PresenceState.OFFLINE,))
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rows = self.cursor_to_dict(txn)
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txn.close()
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for row in rows:
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row["currently_active"] = bool(row["currently_active"])
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return [UserPresenceState(**row) for row in rows]
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@defer.inlineCallbacks
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def insert_client_ip(self, user, access_token, ip, user_agent):
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now = int(self._clock.time_msec())
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key = (user.to_string(), access_token, ip)
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try:
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last_seen = self.client_ip_last_seen.get(key)
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except KeyError:
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last_seen = None
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# Rate-limited inserts
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if last_seen is not None and (now - last_seen) < LAST_SEEN_GRANULARITY:
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defer.returnValue(None)
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self.client_ip_last_seen.prefill(key, now)
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# It's safe not to lock here: a) no unique constraint,
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# b) LAST_SEEN_GRANULARITY makes concurrent updates incredibly unlikely
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yield self._simple_upsert(
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"user_ips",
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keyvalues={
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"user_id": user.to_string(),
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"access_token": access_token,
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"ip": ip,
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"user_agent": user_agent,
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},
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values={
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"last_seen": now,
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},
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desc="insert_client_ip",
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lock=False,
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)
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@defer.inlineCallbacks
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def count_daily_users(self):
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"""
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Counts the number of users who used this homeserver in the last 24 hours.
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"""
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def _count_users(txn):
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txn.execute(
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"SELECT COUNT(DISTINCT user_id) AS users"
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" FROM user_ips"
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" WHERE last_seen > ?",
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# This is close enough to a day for our purposes.
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(int(self._clock.time_msec()) - (1000 * 60 * 60 * 24),)
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)
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rows = self.cursor_to_dict(txn)
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if rows:
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return rows[0]["users"]
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return 0
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ret = yield self.runInteraction("count_users", _count_users)
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defer.returnValue(ret)
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def get_user_ip_and_agents(self, user):
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return self._simple_select_list(
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table="user_ips",
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keyvalues={"user_id": user.to_string()},
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retcols=[
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"access_token", "ip", "user_agent", "last_seen"
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],
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desc="get_user_ip_and_agents",
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)
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def are_all_users_on_domain(txn, database_engine, domain):
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sql = database_engine.convert_param_style(
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"SELECT COUNT(*) FROM users WHERE name NOT LIKE ?"
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)
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pat = "%:" + domain
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txn.execute(sql, (pat,))
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num_not_matching = txn.fetchall()[0][0]
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if num_not_matching == 0:
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return True
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return False
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