synapse-product/synapse/storage/__init__.py

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# -*- coding: utf-8 -*-
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# Copyright 2014-2016 OpenMarket Ltd
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# Copyright 2018 New Vector 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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import datetime
from dateutil import tz
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import time
import logging
from synapse.storage.devices import DeviceStore
from synapse.storage.user_erasure_store import UserErasureStore
from .appservice import (
ApplicationServiceStore, ApplicationServiceTransactionStore
)
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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
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
from .event_push_actions import EventPushActionsStore
from .deviceinbox import DeviceInboxStore
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from .group_server import GroupServerStore
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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
from .account_data import AccountDataStore
from .openid import OpenIdStore
from .client_ips import ClientIpStore
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from .user_directory import UserDirectoryStore
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from .util.id_generators import IdGenerator, StreamIdGenerator, ChainedIdGenerator
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from .engines import PostgresEngine
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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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logger = logging.getLogger(__name__)
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,
AccountDataStore,
EventPushActionsStore,
OpenIdStore,
ClientIpStore,
DeviceStore,
DeviceInboxStore,
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UserDirectoryStore,
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GroupServerStore,
UserErasureStore,
):
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def __init__(self, db_conn, hs):
self.hs = hs
self._clock = hs.get_clock()
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self.database_engine = hs.database_engine
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self._stream_id_gen = StreamIdGenerator(
db_conn, "events", "stream_ordering",
extra_tables=[("local_invites", "stream_id")]
)
self._backfill_id_gen = StreamIdGenerator(
db_conn, "events", "stream_ordering", step=-1,
extra_tables=[("ex_outlier_stream", "event_stream_ordering")]
)
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self._presence_id_gen = StreamIdGenerator(
db_conn, "presence_stream", "stream_id"
)
self._device_inbox_id_gen = StreamIdGenerator(
db_conn, "device_max_stream_id", "stream_id"
)
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self._public_room_id_gen = StreamIdGenerator(
db_conn, "public_room_list_stream", "stream_id"
)
self._device_list_id_gen = StreamIdGenerator(
db_conn, "device_lists_stream", "stream_id",
)
self._transaction_id_gen = IdGenerator(db_conn, "sent_transactions", "id")
self._access_tokens_id_gen = IdGenerator(db_conn, "access_tokens", "id")
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self._event_reports_id_gen = IdGenerator(db_conn, "event_reports", "id")
self._push_rule_id_gen = IdGenerator(db_conn, "push_rules", "id")
self._push_rules_enable_id_gen = IdGenerator(db_conn, "push_rules_enable", "id")
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self._push_rules_stream_id_gen = ChainedIdGenerator(
self._stream_id_gen, db_conn, "push_rules_stream", "stream_id"
)
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self._pushers_id_gen = StreamIdGenerator(
db_conn, "pushers", "id",
extra_tables=[("deleted_pushers", "stream_id")],
)
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self._group_updates_id_gen = StreamIdGenerator(
db_conn, "local_group_updates", "stream_id",
)
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if isinstance(self.database_engine, PostgresEngine):
self._cache_id_gen = StreamIdGenerator(
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db_conn, "cache_invalidation_stream", "stream_id",
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)
else:
self._cache_id_gen = None
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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(
db_conn, "presence_stream",
entity_column="user_id",
stream_column="stream_id",
max_value=self._presence_id_gen.get_current_token(),
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)
self.presence_stream_cache = StreamChangeCache(
"PresenceStreamChangeCache", min_presence_val,
prefilled_cache=presence_cache_prefill
)
max_device_inbox_id = self._device_inbox_id_gen.get_current_token()
device_inbox_prefill, min_device_inbox_id = self._get_cache_dict(
db_conn, "device_inbox",
entity_column="user_id",
stream_column="stream_id",
max_value=max_device_inbox_id,
limit=1000,
)
self._device_inbox_stream_cache = StreamChangeCache(
"DeviceInboxStreamChangeCache", min_device_inbox_id,
prefilled_cache=device_inbox_prefill,
)
# The federation outbox and the local device inbox uses the same
# stream_id generator.
device_outbox_prefill, min_device_outbox_id = self._get_cache_dict(
db_conn, "device_federation_outbox",
entity_column="destination",
stream_column="stream_id",
max_value=max_device_inbox_id,
limit=1000,
)
self._device_federation_outbox_stream_cache = StreamChangeCache(
"DeviceFederationOutboxStreamChangeCache", min_device_outbox_id,
prefilled_cache=device_outbox_prefill,
)
device_list_max = self._device_list_id_gen.get_current_token()
self._device_list_stream_cache = StreamChangeCache(
"DeviceListStreamChangeCache", device_list_max,
)
self._device_list_federation_stream_cache = StreamChangeCache(
"DeviceListFederationStreamChangeCache", device_list_max,
)
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events_max = self._stream_id_gen.get_current_token()
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curr_state_delta_prefill, min_curr_state_delta_id = self._get_cache_dict(
db_conn, "current_state_delta_stream",
entity_column="room_id",
stream_column="stream_id",
max_value=events_max, # As we share the stream id with events token
limit=1000,
)
self._curr_state_delta_stream_cache = StreamChangeCache(
"_curr_state_delta_stream_cache", min_curr_state_delta_id,
prefilled_cache=curr_state_delta_prefill,
)
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_group_updates_prefill, min_group_updates_id = self._get_cache_dict(
db_conn, "local_group_updates",
entity_column="user_id",
stream_column="stream_id",
max_value=self._group_updates_id_gen.get_current_token(),
limit=1000,
)
self._group_updates_stream_cache = StreamChangeCache(
"_group_updates_stream_cache", min_group_updates_id,
prefilled_cache=_group_updates_prefill,
)
self._stream_order_on_start = self.get_room_max_stream_ordering()
self._min_stream_order_on_start = self.get_room_min_stream_ordering()
# Used in _generate_user_daily_visits to keep track of progress
self._last_user_visit_update = self._get_start_of_day()
super(DataStore, self).__init__(db_conn, hs)
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def take_presence_startup_info(self):
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active_on_startup = self._presence_on_startup
self._presence_on_startup = None
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return active_on_startup
def _get_active_presence(self, db_conn):
"""Fetch non-offline presence from the database so that we can register
the appropriate time outs.
"""
sql = (
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"SELECT user_id, state, last_active_ts, last_federation_update_ts,"
" last_user_sync_ts, status_msg, currently_active FROM presence_stream"
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" WHERE state != ?"
)
sql = self.database_engine.convert_param_style(sql)
txn = db_conn.cursor()
txn.execute(sql, (PresenceState.OFFLINE,))
rows = self.cursor_to_dict(txn)
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txn.close()
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for row in rows:
row["currently_active"] = bool(row["currently_active"])
return [UserPresenceState(**row) for row in rows]
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):
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yesterday = int(self._clock.time_msec()) - (1000 * 60 * 60 * 24)
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sql = """
SELECT COALESCE(count(*), 0) FROM (
SELECT user_id FROM user_ips
WHERE last_seen > ?
GROUP BY user_id
) u
"""
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txn.execute(sql, (yesterday,))
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count, = txn.fetchone()
return count
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return self.runInteraction("count_users", _count_users)
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def count_r30_users(self):
"""
Counts the number of 30 day retained users, defined as:-
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* Users who have created their accounts more than 30 days ago
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* Where last seen at most 30 days ago
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* Where account creation and last_seen are > 30 days apart
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Returns counts globaly for a given user as well as breaking
by platform
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"""
def _count_r30_users(txn):
thirty_days_in_secs = 86400 * 30
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now = int(self._clock.time())
thirty_days_ago_in_secs = now - thirty_days_in_secs
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sql = """
SELECT platform, COALESCE(count(*), 0) FROM (
SELECT
users.name, platform, users.creation_ts * 1000,
MAX(uip.last_seen)
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FROM users
INNER JOIN (
SELECT
user_id,
last_seen,
CASE
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WHEN user_agent LIKE '%%Android%%' THEN 'android'
WHEN user_agent LIKE '%%iOS%%' THEN 'ios'
WHEN user_agent LIKE '%%Electron%%' THEN 'electron'
WHEN user_agent LIKE '%%Mozilla%%' THEN 'web'
WHEN user_agent LIKE '%%Gecko%%' THEN 'web'
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ELSE 'unknown'
END
AS platform
FROM user_ips
) uip
ON users.name = uip.user_id
AND users.appservice_id is NULL
AND users.creation_ts < ?
AND uip.last_seen/1000 > ?
AND (uip.last_seen/1000) - users.creation_ts > 86400 * 30
GROUP BY users.name, platform, users.creation_ts
) u GROUP BY platform
"""
results = {}
txn.execute(sql, (thirty_days_ago_in_secs,
thirty_days_ago_in_secs))
for row in txn:
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if row[0] is 'unknown':
pass
results[row[0]] = row[1]
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sql = """
SELECT COALESCE(count(*), 0) FROM (
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SELECT users.name, users.creation_ts * 1000,
MAX(uip.last_seen)
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FROM users
INNER JOIN (
SELECT
user_id,
last_seen
FROM user_ips
) uip
ON users.name = uip.user_id
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AND appservice_id is NULL
AND users.creation_ts < ?
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AND uip.last_seen/1000 > ?
AND (uip.last_seen/1000) - users.creation_ts > 86400 * 30
GROUP BY users.name, users.creation_ts
) u
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"""
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txn.execute(sql, (thirty_days_ago_in_secs,
thirty_days_ago_in_secs))
count, = txn.fetchone()
results['all'] = count
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return results
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return self.runInteraction("count_r30_users", _count_r30_users)
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def _get_start_of_day(self):
"""
Returns millisecond unixtime for start of UTC day.
"""
now = datetime.datetime.utcnow()
today_start = datetime.datetime(now.year, now.month,
now.day, tzinfo=tz.tzutc())
return int(time.mktime(today_start.timetuple())) * 1000
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def generate_user_daily_visits(self):
"""
Generates daily visit data for use in cohort/ retention analysis
"""
def _generate_user_daily_visits(txn):
logger.info("Calling _generate_user_daily_visits")
today_start = self._get_start_of_day()
a_day_in_milliseconds = 24 * 60 * 60 * 1000
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now = self.clock.time_msec()
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sql = """
INSERT INTO user_daily_visits (user_id, device_id, timestamp)
SELECT u.user_id, u.device_id, ?
FROM user_ips AS u
LEFT JOIN (
SELECT user_id, device_id, timestamp FROM user_daily_visits
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WHERE timestamp = ?
) udv
ON u.user_id = udv.user_id AND u.device_id=udv.device_id
INNER JOIN users ON users.name=u.user_id
WHERE last_seen > ? AND last_seen <= ?
AND udv.timestamp IS NULL AND users.is_guest=0
AND users.appservice_id IS NULL
GROUP BY u.user_id, u.device_id
"""
# This means that the day has rolled over but there could still
# be entries from the previous day. There is an edge case
# where if the user logs in at 23:59 and overwrites their
# last_seen at 00:01 then they will not be counted in the
# previous day's stats - it is important that the query is run
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# often to minimise this case.
if today_start > self._last_user_visit_update:
yesterday_start = today_start - a_day_in_milliseconds
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txn.execute(sql, (
yesterday_start, yesterday_start,
self._last_user_visit_update, today_start
))
self._last_user_visit_update = today_start
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txn.execute(sql, (
today_start, today_start,
self._last_user_visit_update,
now
))
# Update _last_user_visit_update to now. The reason to do this
# rather just clamping to the beginning of the day is to limit
# the size of the join - meaning that the query can be run more
# frequently
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self._last_user_visit_update = now
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return self.runInteraction("generate_user_daily_visits",
_generate_user_daily_visits)
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def get_users(self):
"""Function to reterive a list of users in users table.
Args:
Returns:
defer.Deferred: resolves to list[dict[str, Any]]
"""
return self._simple_select_list(
table="users",
keyvalues={},
retcols=[
"name",
"password_hash",
"is_guest",
"admin"
],
desc="get_users",
)
def get_users_paginate(self, order, start, limit):
"""Function to reterive a paginated list of users from
users list. This will return a json object, which contains
list of users and the total number of users in users table.
Args:
order (str): column name to order the select by this column
start (int): start number to begin the query from
limit (int): number of rows to reterive
Returns:
defer.Deferred: resolves to json object {list[dict[str, Any]], count}
"""
is_guest = 0
i_start = (int)(start)
i_limit = (int)(limit)
return self.get_user_list_paginate(
table="users",
keyvalues={
"is_guest": is_guest
},
pagevalues=[
order,
i_limit,
i_start
],
retcols=[
"name",
"password_hash",
"is_guest",
"admin"
],
desc="get_users_paginate",
)
def search_users(self, term):
"""Function to search users list for one or more users with
the matched term.
Args:
term (str): search term
col (str): column to query term should be matched to
Returns:
defer.Deferred: resolves to list[dict[str, Any]]
"""
return self._simple_search_list(
table="users",
term=term,
col="name",
retcols=[
"name",
"password_hash",
"is_guest",
"admin"
],
desc="search_users",
)
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