anonymousland-synapse/synapse/replication/slave/storage/client_ips.py

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# Copyright 2017 Vector Creations 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 typing import TYPE_CHECKING
from synapse.storage.database import DatabasePool, LoggingDatabaseConnection
from synapse.storage.databases.main.client_ips import LAST_SEEN_GRANULARITY
from synapse.util.caches.lrucache import LruCache
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from ._base import BaseSlavedStore
if TYPE_CHECKING:
from synapse.server import HomeServer
class SlavedClientIpStore(BaseSlavedStore):
def __init__(
self,
database: DatabasePool,
db_conn: LoggingDatabaseConnection,
hs: "HomeServer",
):
super().__init__(database, db_conn, hs)
self.client_ip_last_seen: LruCache[tuple, int] = LruCache(
cache_name="client_ip_last_seen", max_size=50000
)
async def insert_client_ip(
self, user_id: str, access_token: str, ip: str, user_agent: str, device_id: str
) -> None:
now = int(self._clock.time_msec())
key = (user_id, access_token, ip)
try:
last_seen = self.client_ip_last_seen.get(key)
except KeyError:
last_seen = None
# Rate-limited inserts
if last_seen is not None and (now - last_seen) < LAST_SEEN_GRANULARITY:
return
self.client_ip_last_seen.set(key, now)
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self.hs.get_tcp_replication().send_user_ip(
user_id, access_token, ip, user_agent, device_id, now
)