MatrixSynapse/synapse/storage/room.py

328 lines
11 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2014-2016 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 twisted.internet import defer
from synapse.api.errors import StoreError
from ._base import SQLBaseStore
from .engines import PostgresEngine, Sqlite3Engine
import collections
import logging
import ujson as json
logger = logging.getLogger(__name__)
OpsLevel = collections.namedtuple(
"OpsLevel",
("ban_level", "kick_level", "redact_level",)
)
class RoomStore(SQLBaseStore):
EVENT_FILES_UPDATE_NAME = "event_files"
FILE_MSGTYPES = (
"m.image",
"m.video",
"m.file",
"m.audio",
)
def __init__(self, hs):
super(RoomStore, self).__init__(hs)
self.register_background_update_handler(
self.EVENT_FILES_UPDATE_NAME, self._background_reindex_files
)
@defer.inlineCallbacks
def _background_reindex_files(self, progress, batch_size):
target_min_stream_id = progress["target_min_stream_id_inclusive"]
max_stream_id = progress["max_stream_id_exclusive"]
rows_inserted = progress.get("rows_inserted", 0)
def reindex_txn(txn):
sql = (
"SELECT topological_ordering, stream_ordering, event_id, room_id,"
" type, content FROM events"
" WHERE ? <= stream_ordering AND stream_ordering < ?"
" AND type = 'm.room.message'"
" AND content LIKE ?"
" ORDER BY stream_ordering DESC"
" LIMIT ?"
)
txn.execute(sql, (target_min_stream_id, max_stream_id, '%url%', batch_size))
rows = self.cursor_to_dict(txn)
if not rows:
return 0
min_stream_id = rows[-1]["stream_ordering"]
event_files_rows = []
for row in rows:
try:
so = row["stream_ordering"]
to = row["topological_ordering"]
event_id = row["event_id"]
room_id = row["room_id"]
try:
content = json.loads(row["content"])
except:
continue
msgtype = content["msgtype"]
if msgtype not in self.FILE_MSGTYPES:
continue
url = content["url"]
if not isinstance(url, basestring):
continue
if not isinstance(msgtype, basestring):
continue
except (KeyError, AttributeError):
# If the event is missing a necessary field then
# skip over it.
continue
event_files_rows.append({
"topological_ordering": to,
"stream_ordering": so,
"event_id": event_id,
"room_id": room_id,
"msgtype": msgtype,
"url": url,
})
self._simple_insert_many_txn(
txn,
table="event_files",
values=event_files_rows,
)
progress = {
"target_min_stream_id_inclusive": target_min_stream_id,
"max_stream_id_exclusive": min_stream_id,
"rows_inserted": rows_inserted + len(event_files_rows)
}
self._background_update_progress_txn(
txn, self.EVENT_FILES_UPDATE_NAME, progress
)
return len(rows)
result = yield self.runInteraction(
self.EVENT_FILES_UPDATE_NAME, reindex_txn
)
if not result:
yield self._end_background_update(self.EVENT_FILES_UPDATE_NAME)
defer.returnValue(result)
@defer.inlineCallbacks
def store_room(self, room_id, room_creator_user_id, is_public):
"""Stores a room.
Args:
room_id (str): The desired room ID, can be None.
room_creator_user_id (str): The user ID of the room creator.
is_public (bool): True to indicate that this room should appear in
public room lists.
Raises:
StoreError if the room could not be stored.
"""
try:
yield self._simple_insert(
"rooms",
{
"room_id": room_id,
"creator": room_creator_user_id,
"is_public": is_public,
},
desc="store_room",
)
except Exception as e:
logger.error("store_room with room_id=%s failed: %s", room_id, e)
raise StoreError(500, "Problem creating room.")
def get_room(self, room_id):
"""Retrieve a room.
Args:
room_id (str): The ID of the room to retrieve.
Returns:
A namedtuple containing the room information, or an empty list.
"""
return self._simple_select_one(
table="rooms",
keyvalues={"room_id": room_id},
retcols=("room_id", "is_public", "creator"),
desc="get_room",
allow_none=True,
)
def set_room_is_public(self, room_id, is_public):
return self._simple_update_one(
table="rooms",
keyvalues={"room_id": room_id},
updatevalues={"is_public": is_public},
desc="set_room_is_public",
)
def get_public_room_ids(self):
return self._simple_select_onecol(
table="rooms",
keyvalues={
"is_public": True,
},
retcol="room_id",
desc="get_public_room_ids",
)
def get_room_count(self):
"""Retrieve a list of all rooms
"""
def f(txn):
sql = "SELECT count(*) FROM rooms"
txn.execute(sql)
row = txn.fetchone()
return row[0] or 0
return self.runInteraction(
"get_rooms", f
)
def _store_room_topic_txn(self, txn, event):
if hasattr(event, "content") and "topic" in event.content:
self._simple_insert_txn(
txn,
"topics",
{
"event_id": event.event_id,
"room_id": event.room_id,
"topic": event.content["topic"],
},
)
self._store_event_search_txn(
txn, event, "content.topic", event.content["topic"]
)
def _store_room_name_txn(self, txn, event):
if hasattr(event, "content") and "name" in event.content:
self._simple_insert_txn(
txn,
"room_names",
{
"event_id": event.event_id,
"room_id": event.room_id,
"name": event.content["name"],
}
)
self._store_event_search_txn(
txn, event, "content.name", event.content["name"]
)
def _store_room_message_txn(self, txn, event):
msgtype = event.content.get("msgtype")
url = event.content.get("url")
if msgtype in self.FILE_MSGTYPES and url:
self._simple_insert_txn(
txn,
table="event_files",
values={
"topological_ordering": event.depth,
"stream_ordering": event.internal_metadata.stream_ordering,
"room_id": event.room_id,
"event_id": event.event_id,
"msgtype": msgtype,
"url": url,
}
)
if hasattr(event, "content") and "body" in event.content:
self._store_event_search_txn(
txn, event, "content.body", event.content["body"]
)
def _store_history_visibility_txn(self, txn, event):
self._store_content_index_txn(txn, event, "history_visibility")
def _store_guest_access_txn(self, txn, event):
self._store_content_index_txn(txn, event, "guest_access")
def _store_content_index_txn(self, txn, event, key):
if hasattr(event, "content") and key in event.content:
sql = (
"INSERT INTO %(key)s"
" (event_id, room_id, %(key)s)"
" VALUES (?, ?, ?)" % {"key": key}
)
txn.execute(sql, (
event.event_id,
event.room_id,
event.content[key]
))
def _store_event_search_txn(self, txn, event, key, value):
if isinstance(self.database_engine, PostgresEngine):
sql = (
"INSERT INTO event_search"
" (event_id, room_id, key, vector, stream_ordering, origin_server_ts)"
" VALUES (?,?,?,to_tsvector('english', ?),?,?)"
)
txn.execute(
sql,
(
event.event_id, event.room_id, key, value,
event.internal_metadata.stream_ordering,
event.origin_server_ts,
)
)
elif isinstance(self.database_engine, Sqlite3Engine):
sql = (
"INSERT INTO event_search (event_id, room_id, key, value)"
" VALUES (?,?,?,?)"
)
txn.execute(sql, (event.event_id, event.room_id, key, value,))
else:
# This should be unreachable.
raise Exception("Unrecognized database engine")
def add_event_report(self, room_id, event_id, user_id, reason, content,
received_ts):
next_id = self._event_reports_id_gen.get_next()
return self._simple_insert(
table="event_reports",
values={
"id": next_id,
"received_ts": received_ts,
"room_id": room_id,
"event_id": event_id,
"user_id": user_id,
"reason": reason,
"content": json.dumps(content),
},
desc="add_event_report"
)