mirror of
https://mau.dev/maunium/synapse.git
synced 2024-10-01 01:36:05 -04:00
330 lines
10 KiB
Python
330 lines
10 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2014 matrix.org
|
|
#
|
|
# 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.events.room import (
|
|
RoomMemberEvent, RoomTopicEvent, FeedbackEvent,
|
|
# RoomConfigEvent,
|
|
RoomNameEvent,
|
|
)
|
|
|
|
from synapse.util.logutils import log_function
|
|
|
|
from .directory import DirectoryStore
|
|
from .feedback import FeedbackStore
|
|
from .presence import PresenceStore
|
|
from .profile import ProfileStore
|
|
from .registration import RegistrationStore
|
|
from .room import RoomStore
|
|
from .roommember import RoomMemberStore
|
|
from .stream import StreamStore
|
|
from .pdu import StatePduStore, PduStore
|
|
from .transactions import TransactionStore
|
|
from .keys import KeyStore
|
|
|
|
import json
|
|
import logging
|
|
import os
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class DataStore(RoomMemberStore, RoomStore,
|
|
RegistrationStore, StreamStore, ProfileStore, FeedbackStore,
|
|
PresenceStore, PduStore, StatePduStore, TransactionStore,
|
|
DirectoryStore, KeyStore):
|
|
|
|
def __init__(self, hs):
|
|
super(DataStore, self).__init__(hs)
|
|
self.event_factory = hs.get_event_factory()
|
|
self.hs = hs
|
|
|
|
self.min_token_deferred = self._get_min_token()
|
|
self.min_token = None
|
|
|
|
@defer.inlineCallbacks
|
|
@log_function
|
|
def persist_event(self, event=None, backfilled=False, pdu=None):
|
|
stream_ordering = None
|
|
if backfilled:
|
|
if not self.min_token_deferred.called:
|
|
yield self.min_token_deferred
|
|
self.min_token -= 1
|
|
stream_ordering = self.min_token
|
|
|
|
latest = yield self._db_pool.runInteraction(
|
|
self._persist_pdu_event_txn,
|
|
pdu=pdu,
|
|
event=event,
|
|
backfilled=backfilled,
|
|
stream_ordering=stream_ordering,
|
|
)
|
|
defer.returnValue(latest)
|
|
|
|
@defer.inlineCallbacks
|
|
def get_event(self, event_id):
|
|
events_dict = yield self._simple_select_one(
|
|
"events",
|
|
{"event_id": event_id},
|
|
[
|
|
"event_id",
|
|
"type",
|
|
"room_id",
|
|
"content",
|
|
"unrecognized_keys"
|
|
],
|
|
)
|
|
|
|
event = self._parse_event_from_row(events_dict)
|
|
defer.returnValue(event)
|
|
|
|
def _persist_pdu_event_txn(self, txn, pdu=None, event=None,
|
|
backfilled=False, stream_ordering=None):
|
|
if pdu is not None:
|
|
self._persist_event_pdu_txn(txn, pdu)
|
|
if event is not None:
|
|
return self._persist_event_txn(
|
|
txn, event, backfilled, stream_ordering
|
|
)
|
|
|
|
def _persist_event_pdu_txn(self, txn, pdu):
|
|
cols = dict(pdu.__dict__)
|
|
unrec_keys = dict(pdu.unrecognized_keys)
|
|
del cols["content"]
|
|
del cols["prev_pdus"]
|
|
cols["content_json"] = json.dumps(pdu.content)
|
|
cols["unrecognized_keys"] = json.dumps(unrec_keys)
|
|
|
|
logger.debug("Persisting: %s", repr(cols))
|
|
|
|
if pdu.is_state:
|
|
self._persist_state_txn(txn, pdu.prev_pdus, cols)
|
|
else:
|
|
self._persist_pdu_txn(txn, pdu.prev_pdus, cols)
|
|
|
|
self._update_min_depth_for_context_txn(txn, pdu.context, pdu.depth)
|
|
|
|
@log_function
|
|
def _persist_event_txn(self, txn, event, backfilled, stream_ordering=None):
|
|
if event.type == RoomMemberEvent.TYPE:
|
|
self._store_room_member_txn(txn, event)
|
|
elif event.type == FeedbackEvent.TYPE:
|
|
self._store_feedback_txn(txn,event)
|
|
# elif event.type == RoomConfigEvent.TYPE:
|
|
# self._store_room_config_txn(txn, event)
|
|
elif event.type == RoomNameEvent.TYPE:
|
|
self._store_room_name_txn(txn, event)
|
|
elif event.type == RoomTopicEvent.TYPE:
|
|
self._store_room_topic_txn(txn, event)
|
|
|
|
vals = {
|
|
"topological_ordering": event.depth,
|
|
"event_id": event.event_id,
|
|
"type": event.type,
|
|
"room_id": event.room_id,
|
|
"content": json.dumps(event.content),
|
|
"processed": True,
|
|
}
|
|
|
|
if stream_ordering is not None:
|
|
vals["stream_ordering"] = stream_ordering
|
|
|
|
if hasattr(event, "outlier"):
|
|
vals["outlier"] = event.outlier
|
|
else:
|
|
vals["outlier"] = False
|
|
|
|
unrec = {
|
|
k: v
|
|
for k, v in event.get_full_dict().items()
|
|
if k not in vals.keys()
|
|
}
|
|
vals["unrecognized_keys"] = json.dumps(unrec)
|
|
|
|
try:
|
|
self._simple_insert_txn(txn, "events", vals)
|
|
except:
|
|
logger.exception(
|
|
"Failed to persist, probably duplicate: %s",
|
|
event.event_id
|
|
)
|
|
return
|
|
|
|
if not backfilled and hasattr(event, "state_key"):
|
|
vals = {
|
|
"event_id": event.event_id,
|
|
"room_id": event.room_id,
|
|
"type": event.type,
|
|
"state_key": event.state_key,
|
|
}
|
|
|
|
if hasattr(event, "prev_state"):
|
|
vals["prev_state"] = event.prev_state
|
|
|
|
self._simple_insert_txn(txn, "state_events", vals)
|
|
|
|
self._simple_insert_txn(
|
|
txn,
|
|
"current_state_events",
|
|
{
|
|
"event_id": event.event_id,
|
|
"room_id": event.room_id,
|
|
"type": event.type,
|
|
"state_key": event.state_key,
|
|
}
|
|
)
|
|
|
|
return self._get_room_events_max_id_txn(txn)
|
|
|
|
@defer.inlineCallbacks
|
|
def get_current_state(self, room_id, event_type=None, state_key=""):
|
|
sql = (
|
|
"SELECT e.* FROM events as e "
|
|
"INNER JOIN current_state_events as c ON e.event_id = c.event_id "
|
|
"INNER JOIN state_events as s ON e.event_id = s.event_id "
|
|
"WHERE c.room_id = ? "
|
|
)
|
|
|
|
if event_type:
|
|
sql += " AND s.type = ? AND s.state_key = ? "
|
|
args = (room_id, event_type, state_key)
|
|
else:
|
|
args = (room_id, )
|
|
|
|
results = yield self._execute_and_decode(sql, *args)
|
|
|
|
defer.returnValue([self._parse_event_from_row(r) for r in results])
|
|
|
|
@defer.inlineCallbacks
|
|
def _get_min_token(self):
|
|
row = yield self._execute(
|
|
None,
|
|
"SELECT MIN(stream_ordering) FROM events"
|
|
)
|
|
|
|
self.min_token = row[0][0] if row and row[0] and row[0][0] else -1
|
|
self.min_token = min(self.min_token, -1)
|
|
|
|
logger.debug("min_token is: %s", self.min_token)
|
|
|
|
defer.returnValue(self.min_token)
|
|
|
|
|
|
def snapshot_room(self, room_id, user_id, state_type=None, state_key=None):
|
|
"""Snapshot the room for an update by a user
|
|
Args:
|
|
room_id (synapse.types.RoomId): The room to snapshot.
|
|
user_id (synapse.types.UserId): The user to snapshot the room for.
|
|
state_type (str): Optional state type to snapshot.
|
|
state_key (str): Optional state key to snapshot.
|
|
Returns:
|
|
synapse.storage.Snapshot: A snapshot of the state of the room.
|
|
"""
|
|
def _snapshot(txn):
|
|
membership_state = self._get_room_member(txn, user_id, room_id)
|
|
prev_pdus = self._get_latest_pdus_in_context(
|
|
txn, room_id
|
|
)
|
|
if state_type is not None and state_key is not None:
|
|
prev_state_pdu = self._get_current_state_pdu(
|
|
txn, room_id, state_type, state_key
|
|
)
|
|
else:
|
|
prev_state_pdu = None
|
|
|
|
return Snapshot(
|
|
store=self,
|
|
room_id=room_id,
|
|
user_id=user_id,
|
|
prev_pdus=prev_pdus,
|
|
membership_state=membership_state,
|
|
state_type=state_type,
|
|
state_key=state_key,
|
|
prev_state_pdu=prev_state_pdu,
|
|
)
|
|
|
|
return self._db_pool.runInteraction(_snapshot)
|
|
|
|
|
|
class Snapshot(object):
|
|
"""Snapshot of the state of a room
|
|
Args:
|
|
store (DataStore): The datastore.
|
|
room_id (RoomId): The room of the snapshot.
|
|
user_id (UserId): The user this snapshot is for.
|
|
prev_pdus (list): The list of PDU ids this snapshot is after.
|
|
membership_state (RoomMemberEvent): The current state of the user in
|
|
the room.
|
|
state_type (str, optional): State type captured by the snapshot
|
|
state_key (str, optional): State key captured by the snapshot
|
|
prev_state_pdu (PduEntry, optional): pdu id of
|
|
the previous value of the state type and key in the room.
|
|
"""
|
|
|
|
def __init__(self, store, room_id, user_id, prev_pdus,
|
|
membership_state, state_type=None, state_key=None,
|
|
prev_state_pdu=None):
|
|
self.store = store
|
|
self.room_id = room_id
|
|
self.user_id = user_id
|
|
self.prev_pdus = prev_pdus
|
|
self.membership_state = membership_state
|
|
self.state_type = state_type
|
|
self.state_key = state_key
|
|
self.prev_state_pdu = prev_state_pdu
|
|
|
|
def fill_out_prev_events(self, event):
|
|
if hasattr(event, "prev_events"):
|
|
return
|
|
|
|
es = [
|
|
"%s@%s" % (p_id, origin) for p_id, origin, _ in self.prev_pdus
|
|
]
|
|
|
|
event.prev_events = [e for e in es if e != event.event_id]
|
|
|
|
if self.prev_pdus:
|
|
event.depth = max([int(v) for _, _, v in self.prev_pdus]) + 1
|
|
else:
|
|
event.depth = 0
|
|
|
|
|
|
def schema_path(schema):
|
|
""" Get a filesystem path for the named database schema
|
|
|
|
Args:
|
|
schema: Name of the database schema.
|
|
Returns:
|
|
A filesystem path pointing at a ".sql" file.
|
|
|
|
"""
|
|
dir_path = os.path.dirname(__file__)
|
|
schemaPath = os.path.join(dir_path, "schema", schema + ".sql")
|
|
return schemaPath
|
|
|
|
|
|
def read_schema(schema):
|
|
""" Read the named database schema.
|
|
|
|
Args:
|
|
schema: Name of the datbase schema.
|
|
Returns:
|
|
A string containing the database schema.
|
|
"""
|
|
with open(schema_path(schema)) as schema_file:
|
|
return schema_file.read()
|