Add support for storing rejected events in EventContext and data stores

This commit is contained in:
Erik Johnston 2015-01-22 15:50:17 +00:00
parent b390bf39f2
commit b1b85753d7
6 changed files with 83 additions and 11 deletions

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@ -20,3 +20,4 @@ class EventContext(object):
self.current_state = current_state
self.auth_events = auth_events
self.state_group = None
self.rejected = False

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@ -30,6 +30,7 @@ from .transactions import TransactionStore
from .keys import KeyStore
from .event_federation import EventFederationStore
from .media_repository import MediaRepositoryStore
from .rejections import RejectionsStore
from .state import StateStore
from .signatures import SignatureStore
@ -66,7 +67,7 @@ SCHEMAS = [
# Remember to update this number every time an incompatible change is made to
# database schema files, so the users will be informed on server restarts.
SCHEMA_VERSION = 11
SCHEMA_VERSION = 12
class _RollbackButIsFineException(Exception):
@ -82,6 +83,7 @@ class DataStore(RoomMemberStore, RoomStore,
DirectoryStore, KeyStore, StateStore, SignatureStore,
EventFederationStore,
MediaRepositoryStore,
RejectionsStore,
):
def __init__(self, hs):
@ -224,6 +226,9 @@ class DataStore(RoomMemberStore, RoomStore,
if not outlier:
self._store_state_groups_txn(txn, event, context)
if context.rejected:
self._store_rejections_txn(txn, event.event_id, context.rejected)
if current_state:
txn.execute(
"DELETE FROM current_state_events WHERE room_id = ?",
@ -262,7 +267,7 @@ class DataStore(RoomMemberStore, RoomStore,
or_replace=True,
)
if is_new_state:
if is_new_state and not context.rejected:
self._simple_insert_txn(
txn,
"current_state_events",
@ -288,7 +293,7 @@ class DataStore(RoomMemberStore, RoomStore,
or_ignore=True,
)
if not backfilled:
if not backfilled and not context.rejected:
self._simple_insert_txn(
txn,
table="state_forward_extremities",

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@ -458,10 +458,12 @@ class SQLBaseStore(object):
return [e for e in events if e]
def _get_event_txn(self, txn, event_id, check_redacted=True,
get_prev_content=False):
get_prev_content=False, allow_rejected=False):
sql = (
"SELECT internal_metadata, json, r.event_id FROM event_json as e "
"SELECT internal_metadata, json, r.event_id, reason "
"FROM event_json as e "
"LEFT JOIN redactions as r ON e.event_id = r.redacts "
"LEFT JOIN rejections as rej on rej.event_id = e.event_id "
"WHERE e.event_id = ? "
"LIMIT 1 "
)
@ -473,13 +475,16 @@ class SQLBaseStore(object):
if not res:
return None
internal_metadata, js, redacted = res
internal_metadata, js, redacted, rejected_reason = res
return self._get_event_from_row_txn(
txn, internal_metadata, js, redacted,
check_redacted=check_redacted,
get_prev_content=get_prev_content,
)
if allow_rejected or not rejected_reason:
return self._get_event_from_row_txn(
txn, internal_metadata, js, redacted,
check_redacted=check_redacted,
get_prev_content=get_prev_content,
)
else:
return None
def _get_event_from_row_txn(self, txn, internal_metadata, js, redacted,
check_redacted=True, get_prev_content=False):

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@ -0,0 +1,33 @@
# -*- coding: utf-8 -*-
# Copyright 2014, 2015 OpenMarket 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 ._base import SQLBaseStore
import logging
logger = logging.getLogger(__name__)
class RejectionsStore(SQLBaseStore):
def _store_rejections_txn(self, txn, event_id, reason):
self._simple_insert_txn(
txn,
table="rejections",
values={
"event_id": event_id,
"reason": reason,
"last_failure": self._clock.time_msec(),
}
)

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@ -0,0 +1,21 @@
/* Copyright 2015 OpenMarket 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.
*/
CREATE TABLE IF NOT EXISTS rejections(
event_id TEXT NOT NULL,
reason TEXT NOT NULL,
last_check TEXT NOT NULL,
CONSTRAINT ev_id UNIQUE (event_id) ON CONFLICT REPLACE
);

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@ -123,3 +123,10 @@ CREATE TABLE IF NOT EXISTS room_hosts(
);
CREATE INDEX IF NOT EXISTS room_hosts_room_id ON room_hosts (room_id);
CREATE TABLE IF NOT EXISTS rejections(
event_id TEXT NOT NULL,
reason TEXT NOT NULL,
last_check TEXT NOT NULL,
CONSTRAINT ev_id UNIQUE (event_id) ON CONFLICT REPLACE
);