mirror of
https://mau.dev/maunium/synapse.git
synced 2024-08-26 04:05:38 +00:00
![Richard van der Hoff](/assets/img/avatar_default.png)
(since it uses methods therein) Turns out that we had a bunch of things which were incorrectly importing EventWorkerStore from events.py rather than events_worker.py, which broke once I removed the import into events.py.
379 lines
13 KiB
Python
379 lines
13 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2015, 2016 OpenMarket Ltd
|
|
# Copyright 2018 New Vector 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.
|
|
import logging
|
|
import re
|
|
|
|
from canonicaljson import json
|
|
|
|
from twisted.internet import defer
|
|
|
|
from synapse.appservice import AppServiceTransaction
|
|
from synapse.config.appservice import load_appservices
|
|
from synapse.storage.events_worker import EventsWorkerStore
|
|
|
|
from ._base import SQLBaseStore
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
def _make_exclusive_regex(services_cache):
|
|
# We precompie a regex constructed from all the regexes that the AS's
|
|
# have registered for exclusive users.
|
|
exclusive_user_regexes = [
|
|
regex.pattern
|
|
for service in services_cache
|
|
for regex in service.get_exlusive_user_regexes()
|
|
]
|
|
if exclusive_user_regexes:
|
|
exclusive_user_regex = "|".join("(" + r + ")" for r in exclusive_user_regexes)
|
|
exclusive_user_regex = re.compile(exclusive_user_regex)
|
|
else:
|
|
# We handle this case specially otherwise the constructed regex
|
|
# will always match
|
|
exclusive_user_regex = None
|
|
|
|
return exclusive_user_regex
|
|
|
|
|
|
class ApplicationServiceWorkerStore(SQLBaseStore):
|
|
def __init__(self, db_conn, hs):
|
|
self.services_cache = load_appservices(
|
|
hs.hostname,
|
|
hs.config.app_service_config_files
|
|
)
|
|
self.exclusive_user_regex = _make_exclusive_regex(self.services_cache)
|
|
|
|
super(ApplicationServiceWorkerStore, self).__init__(db_conn, hs)
|
|
|
|
def get_app_services(self):
|
|
return self.services_cache
|
|
|
|
def get_if_app_services_interested_in_user(self, user_id):
|
|
"""Check if the user is one associated with an app service (exclusively)
|
|
"""
|
|
if self.exclusive_user_regex:
|
|
return bool(self.exclusive_user_regex.match(user_id))
|
|
else:
|
|
return False
|
|
|
|
def get_app_service_by_user_id(self, user_id):
|
|
"""Retrieve an application service from their user ID.
|
|
|
|
All application services have associated with them a particular user ID.
|
|
There is no distinguishing feature on the user ID which indicates it
|
|
represents an application service. This function allows you to map from
|
|
a user ID to an application service.
|
|
|
|
Args:
|
|
user_id(str): The user ID to see if it is an application service.
|
|
Returns:
|
|
synapse.appservice.ApplicationService or None.
|
|
"""
|
|
for service in self.services_cache:
|
|
if service.sender == user_id:
|
|
return service
|
|
return None
|
|
|
|
def get_app_service_by_token(self, token):
|
|
"""Get the application service with the given appservice token.
|
|
|
|
Args:
|
|
token (str): The application service token.
|
|
Returns:
|
|
synapse.appservice.ApplicationService or None.
|
|
"""
|
|
for service in self.services_cache:
|
|
if service.token == token:
|
|
return service
|
|
return None
|
|
|
|
def get_app_service_by_id(self, as_id):
|
|
"""Get the application service with the given appservice ID.
|
|
|
|
Args:
|
|
as_id (str): The application service ID.
|
|
Returns:
|
|
synapse.appservice.ApplicationService or None.
|
|
"""
|
|
for service in self.services_cache:
|
|
if service.id == as_id:
|
|
return service
|
|
return None
|
|
|
|
|
|
class ApplicationServiceStore(ApplicationServiceWorkerStore):
|
|
# This is currently empty due to there not being any AS storage functions
|
|
# that can't be run on the workers. Since this may change in future, and
|
|
# to keep consistency with the other stores, we keep this empty class for
|
|
# now.
|
|
pass
|
|
|
|
|
|
class ApplicationServiceTransactionWorkerStore(ApplicationServiceWorkerStore,
|
|
EventsWorkerStore):
|
|
@defer.inlineCallbacks
|
|
def get_appservices_by_state(self, state):
|
|
"""Get a list of application services based on their state.
|
|
|
|
Args:
|
|
state(ApplicationServiceState): The state to filter on.
|
|
Returns:
|
|
A Deferred which resolves to a list of ApplicationServices, which
|
|
may be empty.
|
|
"""
|
|
results = yield self._simple_select_list(
|
|
"application_services_state",
|
|
dict(state=state),
|
|
["as_id"]
|
|
)
|
|
# NB: This assumes this class is linked with ApplicationServiceStore
|
|
as_list = self.get_app_services()
|
|
services = []
|
|
|
|
for res in results:
|
|
for service in as_list:
|
|
if service.id == res["as_id"]:
|
|
services.append(service)
|
|
defer.returnValue(services)
|
|
|
|
@defer.inlineCallbacks
|
|
def get_appservice_state(self, service):
|
|
"""Get the application service state.
|
|
|
|
Args:
|
|
service(ApplicationService): The service whose state to set.
|
|
Returns:
|
|
A Deferred which resolves to ApplicationServiceState.
|
|
"""
|
|
result = yield self._simple_select_one(
|
|
"application_services_state",
|
|
dict(as_id=service.id),
|
|
["state"],
|
|
allow_none=True,
|
|
desc="get_appservice_state",
|
|
)
|
|
if result:
|
|
defer.returnValue(result.get("state"))
|
|
return
|
|
defer.returnValue(None)
|
|
|
|
def set_appservice_state(self, service, state):
|
|
"""Set the application service state.
|
|
|
|
Args:
|
|
service(ApplicationService): The service whose state to set.
|
|
state(ApplicationServiceState): The connectivity state to apply.
|
|
Returns:
|
|
A Deferred which resolves when the state was set successfully.
|
|
"""
|
|
return self._simple_upsert(
|
|
"application_services_state",
|
|
dict(as_id=service.id),
|
|
dict(state=state)
|
|
)
|
|
|
|
def create_appservice_txn(self, service, events):
|
|
"""Atomically creates a new transaction for this application service
|
|
with the given list of events.
|
|
|
|
Args:
|
|
service(ApplicationService): The service who the transaction is for.
|
|
events(list<Event>): A list of events to put in the transaction.
|
|
Returns:
|
|
AppServiceTransaction: A new transaction.
|
|
"""
|
|
def _create_appservice_txn(txn):
|
|
# work out new txn id (highest txn id for this service += 1)
|
|
# The highest id may be the last one sent (in which case it is last_txn)
|
|
# or it may be the highest in the txns list (which are waiting to be/are
|
|
# being sent)
|
|
last_txn_id = self._get_last_txn(txn, service.id)
|
|
|
|
txn.execute(
|
|
"SELECT MAX(txn_id) FROM application_services_txns WHERE as_id=?",
|
|
(service.id,)
|
|
)
|
|
highest_txn_id = txn.fetchone()[0]
|
|
if highest_txn_id is None:
|
|
highest_txn_id = 0
|
|
|
|
new_txn_id = max(highest_txn_id, last_txn_id) + 1
|
|
|
|
# Insert new txn into txn table
|
|
event_ids = json.dumps([e.event_id for e in events])
|
|
txn.execute(
|
|
"INSERT INTO application_services_txns(as_id, txn_id, event_ids) "
|
|
"VALUES(?,?,?)",
|
|
(service.id, new_txn_id, event_ids)
|
|
)
|
|
return AppServiceTransaction(
|
|
service=service, id=new_txn_id, events=events
|
|
)
|
|
|
|
return self.runInteraction(
|
|
"create_appservice_txn",
|
|
_create_appservice_txn,
|
|
)
|
|
|
|
def complete_appservice_txn(self, txn_id, service):
|
|
"""Completes an application service transaction.
|
|
|
|
Args:
|
|
txn_id(str): The transaction ID being completed.
|
|
service(ApplicationService): The application service which was sent
|
|
this transaction.
|
|
Returns:
|
|
A Deferred which resolves if this transaction was stored
|
|
successfully.
|
|
"""
|
|
txn_id = int(txn_id)
|
|
|
|
def _complete_appservice_txn(txn):
|
|
# Debugging query: Make sure the txn being completed is EXACTLY +1 from
|
|
# what was there before. If it isn't, we've got problems (e.g. the AS
|
|
# has probably missed some events), so whine loudly but still continue,
|
|
# since it shouldn't fail completion of the transaction.
|
|
last_txn_id = self._get_last_txn(txn, service.id)
|
|
if (last_txn_id + 1) != txn_id:
|
|
logger.error(
|
|
"appservice: Completing a transaction which has an ID > 1 from "
|
|
"the last ID sent to this AS. We've either dropped events or "
|
|
"sent it to the AS out of order. FIX ME. last_txn=%s "
|
|
"completing_txn=%s service_id=%s", last_txn_id, txn_id,
|
|
service.id
|
|
)
|
|
|
|
# Set current txn_id for AS to 'txn_id'
|
|
self._simple_upsert_txn(
|
|
txn, "application_services_state", dict(as_id=service.id),
|
|
dict(last_txn=txn_id)
|
|
)
|
|
|
|
# Delete txn
|
|
self._simple_delete_txn(
|
|
txn, "application_services_txns",
|
|
dict(txn_id=txn_id, as_id=service.id)
|
|
)
|
|
|
|
return self.runInteraction(
|
|
"complete_appservice_txn",
|
|
_complete_appservice_txn,
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
def get_oldest_unsent_txn(self, service):
|
|
"""Get the oldest transaction which has not been sent for this
|
|
service.
|
|
|
|
Args:
|
|
service(ApplicationService): The app service to get the oldest txn.
|
|
Returns:
|
|
A Deferred which resolves to an AppServiceTransaction or
|
|
None.
|
|
"""
|
|
def _get_oldest_unsent_txn(txn):
|
|
# Monotonically increasing txn ids, so just select the smallest
|
|
# one in the txns table (we delete them when they are sent)
|
|
txn.execute(
|
|
"SELECT * FROM application_services_txns WHERE as_id=?"
|
|
" ORDER BY txn_id ASC LIMIT 1",
|
|
(service.id,)
|
|
)
|
|
rows = self.cursor_to_dict(txn)
|
|
if not rows:
|
|
return None
|
|
|
|
entry = rows[0]
|
|
|
|
return entry
|
|
|
|
entry = yield self.runInteraction(
|
|
"get_oldest_unsent_appservice_txn",
|
|
_get_oldest_unsent_txn,
|
|
)
|
|
|
|
if not entry:
|
|
defer.returnValue(None)
|
|
|
|
event_ids = json.loads(entry["event_ids"])
|
|
|
|
events = yield self._get_events(event_ids)
|
|
|
|
defer.returnValue(AppServiceTransaction(
|
|
service=service, id=entry["txn_id"], events=events
|
|
))
|
|
|
|
def _get_last_txn(self, txn, service_id):
|
|
txn.execute(
|
|
"SELECT last_txn FROM application_services_state WHERE as_id=?",
|
|
(service_id,)
|
|
)
|
|
last_txn_id = txn.fetchone()
|
|
if last_txn_id is None or last_txn_id[0] is None: # no row exists
|
|
return 0
|
|
else:
|
|
return int(last_txn_id[0]) # select 'last_txn' col
|
|
|
|
def set_appservice_last_pos(self, pos):
|
|
def set_appservice_last_pos_txn(txn):
|
|
txn.execute(
|
|
"UPDATE appservice_stream_position SET stream_ordering = ?", (pos,)
|
|
)
|
|
return self.runInteraction(
|
|
"set_appservice_last_pos", set_appservice_last_pos_txn
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
def get_new_events_for_appservice(self, current_id, limit):
|
|
"""Get all new evnets"""
|
|
|
|
def get_new_events_for_appservice_txn(txn):
|
|
sql = (
|
|
"SELECT e.stream_ordering, e.event_id"
|
|
" FROM events AS e"
|
|
" WHERE"
|
|
" (SELECT stream_ordering FROM appservice_stream_position)"
|
|
" < e.stream_ordering"
|
|
" AND e.stream_ordering <= ?"
|
|
" ORDER BY e.stream_ordering ASC"
|
|
" LIMIT ?"
|
|
)
|
|
|
|
txn.execute(sql, (current_id, limit))
|
|
rows = txn.fetchall()
|
|
|
|
upper_bound = current_id
|
|
if len(rows) == limit:
|
|
upper_bound = rows[-1][0]
|
|
|
|
return upper_bound, [row[1] for row in rows]
|
|
|
|
upper_bound, event_ids = yield self.runInteraction(
|
|
"get_new_events_for_appservice", get_new_events_for_appservice_txn,
|
|
)
|
|
|
|
events = yield self._get_events(event_ids)
|
|
|
|
defer.returnValue((upper_bound, events))
|
|
|
|
|
|
class ApplicationServiceTransactionStore(ApplicationServiceTransactionWorkerStore):
|
|
# This is currently empty due to there not being any AS storage functions
|
|
# that can't be run on the workers. Since this may change in future, and
|
|
# to keep consistency with the other stores, we keep this empty class for
|
|
# now.
|
|
pass
|