mirror of
https://mau.dev/maunium/synapse.git
synced 2024-08-23 10:45:48 +00:00
125 lines
4.2 KiB
Python
125 lines
4.2 KiB
Python
# -*- coding: utf-8 -*-
|
|
# 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.
|
|
|
|
import logging
|
|
import simplejson as json
|
|
|
|
from twisted.internet import defer
|
|
|
|
from synapse.types import UserID
|
|
|
|
import baserules
|
|
from push_rule_evaluator import PushRuleEvaluator
|
|
|
|
from synapse.events.utils import serialize_event
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
def decode_rule_json(rule):
|
|
rule['conditions'] = json.loads(rule['conditions'])
|
|
rule['actions'] = json.loads(rule['actions'])
|
|
return rule
|
|
|
|
|
|
@defer.inlineCallbacks
|
|
def evaluator_for_room_id(room_id, store):
|
|
users = yield store.get_users_in_room(room_id)
|
|
rules_by_user = yield store.bulk_get_push_rules(users)
|
|
rules_by_user = {
|
|
uid: baserules.list_with_base_rules(
|
|
[decode_rule_json(rule_list) for rule_list in rules_by_user[uid]]
|
|
if uid in rules_by_user else [],
|
|
UserID.from_string(uid)
|
|
)
|
|
for uid in users
|
|
}
|
|
member_events = yield store.get_current_state(
|
|
room_id=room_id,
|
|
event_type='m.room.member',
|
|
)
|
|
display_names = {}
|
|
for ev in member_events:
|
|
if ev.content.get("displayname"):
|
|
display_names[ev.state_key] = ev.content.get("displayname")
|
|
|
|
defer.returnValue(BulkPushRuleEvaluator(
|
|
room_id, rules_by_user, display_names, users, store
|
|
))
|
|
|
|
|
|
class BulkPushRuleEvaluator:
|
|
"""
|
|
Runs push rules for all users in a room.
|
|
This is faster than running PushRuleEvaluator for each user because it
|
|
fetches all the rules for all the users in one (batched) db query
|
|
rather than doing multiple queries per-user. It currently uses
|
|
the same logic to run the actual rules, but could be optimised further
|
|
(see https://matrix.org/jira/browse/SYN-562)
|
|
"""
|
|
def __init__(self, room_id, rules_by_user, display_names, users_in_room, store):
|
|
self.room_id = room_id
|
|
self.rules_by_user = rules_by_user
|
|
self.display_names = display_names
|
|
self.users_in_room = users_in_room
|
|
self.store = store
|
|
|
|
@defer.inlineCallbacks
|
|
def action_for_event_by_user(self, event, handler):
|
|
actions_by_user = {}
|
|
|
|
for uid, rules in self.rules_by_user.items():
|
|
display_name = None
|
|
if uid in self.display_names:
|
|
display_name = self.display_names[uid]
|
|
|
|
is_guest = yield self.store.is_guest(UserID.from_string(uid))
|
|
filtered = yield handler._filter_events_for_client(
|
|
uid, [event], is_guest=is_guest
|
|
)
|
|
if len(filtered) == 0:
|
|
continue
|
|
|
|
for rule in rules:
|
|
if 'enabled' in rule and not rule['enabled']:
|
|
continue
|
|
|
|
# XXX: profile tags
|
|
if BulkPushRuleEvaluator.event_matches_rule(
|
|
event, rule,
|
|
display_name, len(self.users_in_room), None
|
|
):
|
|
actions = [x for x in rule['actions'] if x != 'dont_notify']
|
|
if len(actions) > 0:
|
|
actions_by_user[uid] = actions
|
|
break
|
|
defer.returnValue(actions_by_user)
|
|
|
|
@staticmethod
|
|
def event_matches_rule(event, rule,
|
|
display_name, room_member_count, profile_tag):
|
|
matches = True
|
|
|
|
# passing the clock all the way into here is extremely awkward and push
|
|
# rules do not care about any of the relative timestamps, so we just
|
|
# pass 0 for the current time.
|
|
client_event = serialize_event(event, 0)
|
|
|
|
for cond in rule['conditions']:
|
|
matches &= PushRuleEvaluator._event_fulfills_condition(
|
|
client_event, cond, display_name, room_member_count, profile_tag
|
|
)
|
|
return matches
|