MatrixSynapse/synapse/storage/__init__.py

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# -*- coding: utf-8 -*-
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# Copyright 2014, 2015 OpenMarket Ltd
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#
# 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.
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from twisted.internet import defer
from .appservice import (
ApplicationServiceStore, ApplicationServiceTransactionStore
)
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
from .profile import ProfileStore
from .registration import RegistrationStore
from .room import RoomStore
from .roommember import RoomMemberStore
from .stream import StreamStore
from .transactions import TransactionStore
from .keys import KeyStore
from .event_federation import EventFederationStore
from .pusher import PusherStore
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from .push_rule import PushRuleStore
from .media_repository import MediaRepositoryStore
from .rejections import RejectionsStore
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from .state import StateStore
from .signatures import SignatureStore
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
from .tags import TagsStore
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import logging
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logger = logging.getLogger(__name__)
# Number of msec of granularity to store the user IP 'last seen' time. Smaller
# times give more inserts into the database even for readonly API hits
# 120 seconds == 2 minutes
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,
DirectoryStore, KeyStore, StateStore, SignatureStore,
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ApplicationServiceStore,
EventFederationStore,
MediaRepositoryStore,
RejectionsStore,
FilteringStore,
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,
TagsStore,
):
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def __init__(self, hs):
super(DataStore, self).__init__(hs)
self.hs = hs
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self.min_token_deferred = self._get_min_token()
self.min_token = None
self.client_ip_last_seen = Cache(
name="client_ip_last_seen",
keylen=4,
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)
@defer.inlineCallbacks
def insert_client_ip(self, user, access_token, ip, user_agent):
now = int(self._clock.time_msec())
key = (user.to_string(), access_token, ip)
try:
last_seen = self.client_ip_last_seen.get(key)
except KeyError:
last_seen = None
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# Rate-limited inserts
if last_seen is not None and (now - last_seen) < LAST_SEEN_GRANULARITY:
defer.returnValue(None)
self.client_ip_last_seen.prefill(key, now)
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# It's safe not to lock here: a) no unique constraint,
# b) LAST_SEEN_GRANULARITY makes concurrent updates incredibly unlikely
yield self._simple_upsert(
"user_ips",
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keyvalues={
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"user_id": user.to_string(),
"access_token": access_token,
"ip": ip,
"user_agent": user_agent,
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},
values={
"last_seen": now,
},
desc="insert_client_ip",
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lock=False,
)
@defer.inlineCallbacks
def count_daily_users(self):
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"""
Counts the number of users who used this homeserver in the last 24 hours.
"""
def _count_users(txn):
txn.execute(
"SELECT COUNT(DISTINCT user_id) AS users"
" FROM user_ips"
" WHERE last_seen > ?",
# This is close enough to a day for our purposes.
(int(self._clock.time_msec()) - (1000 * 60 * 60 * 24),)
)
rows = self.cursor_to_dict(txn)
if rows:
return rows[0]["users"]
return 0
ret = yield self.runInteraction("count_users", _count_users)
defer.returnValue(ret)
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def get_user_ip_and_agents(self, user):
return self._simple_select_list(
table="user_ips",
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keyvalues={"user_id": user.to_string()},
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retcols=[
"access_token", "ip", "user_agent", "last_seen"
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],
desc="get_user_ip_and_agents",
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)
def are_all_users_on_domain(txn, database_engine, domain):
sql = database_engine.convert_param_style(
"SELECT COUNT(*) FROM users WHERE name NOT LIKE ?"
)
pat = "%:" + domain
txn.execute(sql, (pat,))
num_not_matching = txn.fetchall()[0][0]
if num_not_matching == 0:
return True
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return False