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-rw-r--r--synapse/storage/_base.py41
1 files changed, 30 insertions, 11 deletions
diff --git a/synapse/storage/_base.py b/synapse/storage/_base.py

index 3fe827cd43..537696547c 100644 --- a/synapse/storage/_base.py +++ b/synapse/storage/_base.py
@@ -16,6 +16,7 @@ # limitations under the License. import itertools import logging +import random import sys import threading import time @@ -247,6 +248,8 @@ class SQLBaseStore(object): self._check_safe_to_upsert, ) + self.rand = random.SystemRandom() + if self._account_validity.enabled: self._clock.call_later( 0.0, @@ -296,41 +299,53 @@ class SQLBaseStore(object): def select_users_with_no_expiration_date_txn(txn): """Retrieves the list of registered users with no expiration date from the - database. + database, filtering out deactivated users. """ sql = ( "SELECT users.name FROM users" " LEFT JOIN account_validity ON (users.name = account_validity.user_id)" - " WHERE account_validity.user_id is NULL;" + " WHERE account_validity.user_id is NULL AND users.deactivated = 0;" ) txn.execute(sql, []) res = self.cursor_to_dict(txn) if res: for user in res: - self.set_expiration_date_for_user_txn(txn, user["name"]) + self.set_expiration_date_for_user_txn( + txn, + user["name"], + use_delta=True, + ) yield self.runInteraction( "get_users_with_no_expiration_date", select_users_with_no_expiration_date_txn, ) - def set_expiration_date_for_user_txn(self, txn, user_id): + def set_expiration_date_for_user_txn(self, txn, user_id, use_delta=False): """Sets an expiration date to the account with the given user ID. Args: user_id (str): User ID to set an expiration date for. + use_delta (bool): If set to False, the expiration date for the user will be + now + validity period. If set to True, this expiration date will be a + random value in the [now + period - d ; now + period] range, d being a + delta equal to 10% of the validity period. """ now_ms = self._clock.time_msec() expiration_ts = now_ms + self._account_validity.period - self._simple_insert_txn( + + if use_delta: + expiration_ts = self.rand.randrange( + expiration_ts - self._account_validity.startup_job_max_delta, + expiration_ts, + ) + + self._simple_upsert_txn( txn, "account_validity", - values={ - "user_id": user_id, - "expiration_ts_ms": expiration_ts, - "email_sent": False, - }, + keyvalues={"user_id": user_id, }, + values={"expiration_ts_ms": expiration_ts, "email_sent": False, }, ) def start_profiling(self): @@ -570,6 +585,10 @@ class SQLBaseStore(object): Args: table : string giving the table name values : dict of new column names and values for them + or_ignore : bool stating whether an exception should be raised + when a conflicting row already exists. If True, False will be + returned by the function instead + desc : string giving a description of the transaction Returns: bool: Whether the row was inserted or not. Only useful when @@ -1210,8 +1229,8 @@ class SQLBaseStore(object): ) txn.execute(select_sql, list(keyvalues.values())) - row = txn.fetchone() + if not row: if allow_none: return None