diff options
Diffstat (limited to 'synapse')
| -rw-r--r-- | synapse/api/auth.py | 11 | ||||
| -rw-r--r-- | synapse/handlers/sync.py | 13 | ||||
| -rw-r--r-- | synapse/storage/monthly_active_users.py | 54 |
3 files changed, 54 insertions, 24 deletions
diff --git a/synapse/api/auth.py b/synapse/api/auth.py index 4f028078fa..a9cc322d7e 100644 --- a/synapse/api/auth.py +++ b/synapse/api/auth.py @@ -775,9 +775,12 @@ class Auth(object): ) @defer.inlineCallbacks - def check_auth_blocking(self): + def check_auth_blocking(self, user_id=None): """Checks if the user should be rejected for some external reason, such as monthly active user limiting or global disable flag + + Args: + user_id(str): If present, checks for presence against existing MAU cohort """ if self.hs.config.hs_disabled: raise AuthError( @@ -786,6 +789,12 @@ class Auth(object): admin_email=self.hs.config.admin_email, ) if self.hs.config.limit_usage_by_mau is True: + # If the user is already part of the MAU cohort + if user_id: + timestamp = yield self.store.user_last_seen_monthly_active(user_id) + if timestamp: + return + # Else if there is no room in the MAU bucket, bail current_mau = yield self.store.get_monthly_active_count() if current_mau >= self.hs.config.max_mau_value: raise AuthError( diff --git a/synapse/handlers/sync.py b/synapse/handlers/sync.py index 6393a9674b..3b21a04a5d 100644 --- a/synapse/handlers/sync.py +++ b/synapse/handlers/sync.py @@ -191,6 +191,7 @@ class SyncHandler(object): self.clock = hs.get_clock() self.response_cache = ResponseCache(hs, "sync") self.state = hs.get_state_handler() + self.auth = hs.get_auth() # ExpiringCache((User, Device)) -> LruCache(state_key => event_id) self.lazy_loaded_members_cache = ExpiringCache( @@ -198,19 +199,27 @@ class SyncHandler(object): max_len=0, expiry_ms=LAZY_LOADED_MEMBERS_CACHE_MAX_AGE, ) + @defer.inlineCallbacks def wait_for_sync_for_user(self, sync_config, since_token=None, timeout=0, full_state=False): """Get the sync for a client if we have new data for it now. Otherwise wait for new data to arrive on the server. If the timeout expires, then return an empty sync result. Returns: - A Deferred SyncResult. + Deferred[SyncResult] """ - return self.response_cache.wrap( + # If the user is not part of the mau group, then check that limits have + # not been exceeded (if not part of the group by this point, almost certain + # auth_blocking will occur) + user_id = sync_config.user.to_string() + yield self.auth.check_auth_blocking(user_id) + + res = yield self.response_cache.wrap( sync_config.request_key, self._wait_for_sync_for_user, sync_config, since_token, timeout, full_state, ) + defer.returnValue(res) @defer.inlineCallbacks def _wait_for_sync_for_user(self, sync_config, since_token, timeout, diff --git a/synapse/storage/monthly_active_users.py b/synapse/storage/monthly_active_users.py index d47dcef3a0..7b36accdb6 100644 --- a/synapse/storage/monthly_active_users.py +++ b/synapse/storage/monthly_active_users.py @@ -64,23 +64,27 @@ class MonthlyActiveUsersStore(SQLBaseStore): Deferred[] """ def _reap_users(txn): + # Purge stale users thirty_days_ago = ( int(self._clock.time_msec()) - (1000 * 60 * 60 * 24 * 30) ) - # Purge stale users - - # questionmarks is a hack to overcome sqlite not supporting - # tuples in 'WHERE IN %s' - questionmarks = '?' * len(self.reserved_users) query_args = [thirty_days_ago] - query_args.extend(self.reserved_users) - - sql = """ - DELETE FROM monthly_active_users - WHERE timestamp < ? - AND user_id NOT IN ({}) - """.format(','.join(questionmarks)) + base_sql = "DELETE FROM monthly_active_users WHERE timestamp < ?" + + # Need if/else since 'AND user_id NOT IN ({})' fails on Postgres + # when len(reserved_users) == 0. Works fine on sqlite. + if len(self.reserved_users) > 0: + # questionmarks is a hack to overcome sqlite not supporting + # tuples in 'WHERE IN %s' + questionmarks = '?' * len(self.reserved_users) + + query_args.extend(self.reserved_users) + sql = base_sql + """ AND user_id NOT IN ({})""".format( + ','.join(questionmarks) + ) + else: + sql = base_sql txn.execute(sql, query_args) @@ -93,16 +97,24 @@ class MonthlyActiveUsersStore(SQLBaseStore): # negative LIMIT values. So there is no way to write it that both can # support query_args = [self.hs.config.max_mau_value] - query_args.extend(self.reserved_users) - sql = """ + + base_sql = """ DELETE FROM monthly_active_users WHERE user_id NOT IN ( SELECT user_id FROM monthly_active_users ORDER BY timestamp DESC LIMIT ? ) - AND user_id NOT IN ({}) - """.format(','.join(questionmarks)) + """ + # Need if/else since 'AND user_id NOT IN ({})' fails on Postgres + # when len(reserved_users) == 0. Works fine on sqlite. + if len(self.reserved_users) > 0: + query_args.extend(self.reserved_users) + sql = base_sql + """ AND user_id NOT IN ({})""".format( + ','.join(questionmarks) + ) + else: + sql = base_sql txn.execute(sql, query_args) yield self.runInteraction("reap_monthly_active_users", _reap_users) @@ -113,7 +125,7 @@ class MonthlyActiveUsersStore(SQLBaseStore): # is racy. # Have resolved to invalidate the whole cache for now and do # something about it if and when the perf becomes significant - self._user_last_seen_monthly_active.invalidate_all() + self.user_last_seen_monthly_active.invalidate_all() self.get_monthly_active_count.invalidate_all() @cached(num_args=0) @@ -152,11 +164,11 @@ class MonthlyActiveUsersStore(SQLBaseStore): lock=False, ) if is_insert: - self._user_last_seen_monthly_active.invalidate((user_id,)) + self.user_last_seen_monthly_active.invalidate((user_id,)) self.get_monthly_active_count.invalidate(()) @cached(num_args=1) - def _user_last_seen_monthly_active(self, user_id): + def user_last_seen_monthly_active(self, user_id): """ Checks if a given user is part of the monthly active user group Arguments: @@ -173,7 +185,7 @@ class MonthlyActiveUsersStore(SQLBaseStore): }, retcol="timestamp", allow_none=True, - desc="_user_last_seen_monthly_active", + desc="user_last_seen_monthly_active", )) @defer.inlineCallbacks @@ -185,7 +197,7 @@ class MonthlyActiveUsersStore(SQLBaseStore): user_id(str): the user_id to query """ if self.hs.config.limit_usage_by_mau: - last_seen_timestamp = yield self._user_last_seen_monthly_active(user_id) + last_seen_timestamp = yield self.user_last_seen_monthly_active(user_id) now = self.hs.get_clock().time_msec() # We want to reduce to the total number of db writes, and are happy |