Merge pull request #2501 from matrix-org/dbkr/channel_notifications

Support for channel notifications
This commit is contained in:
Erik Johnston 2017-10-11 13:19:29 +01:00 committed by GitHub
commit dfbf73408c
3 changed files with 85 additions and 7 deletions

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@ -1,4 +1,5 @@
# Copyright 2015, 2016 OpenMarket Ltd
# Copyright 2017 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.
@ -238,6 +239,28 @@ BASE_APPEND_OVERRIDE_RULES = [
}
]
},
{
'rule_id': 'global/override/.m.rule.roomnotif',
'conditions': [
{
'kind': 'event_match',
'key': 'content.body',
'pattern': '*@room*',
'_id': '_roomnotif_content',
},
{
'kind': 'sender_notification_permission',
'key': 'room',
'_id': '_roomnotif_pl',
},
],
'actions': [
'notify', {
'set_tweak': 'highlight',
'value': True,
}
]
}
]

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@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2015 OpenMarket Ltd
# Copyright 2017 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.
@ -19,11 +20,13 @@ from twisted.internet import defer
from .push_rule_evaluator import PushRuleEvaluatorForEvent
from synapse.event_auth import get_user_power_level
from synapse.api.constants import EventTypes, Membership
from synapse.metrics import get_metrics_for
from synapse.util.caches import metrics as cache_metrics
from synapse.util.caches.descriptors import cached
from synapse.util.async import Linearizer
from synapse.state import POWER_KEY
from collections import namedtuple
@ -59,6 +62,7 @@ class BulkPushRuleEvaluator(object):
def __init__(self, hs):
self.hs = hs
self.store = hs.get_datastore()
self.auth = hs.get_auth()
self.room_push_rule_cache_metrics = cache_metrics.register_cache(
"cache",
@ -108,6 +112,29 @@ class BulkPushRuleEvaluator(object):
self.room_push_rule_cache_metrics,
)
@defer.inlineCallbacks
def _get_power_levels_and_sender_level(self, event, context):
pl_event_id = context.prev_state_ids.get(POWER_KEY)
if pl_event_id:
# fastpath: if there's a power level event, that's all we need, and
# not having a power level event is an extreme edge case
pl_event = yield self.store.get_event(pl_event_id)
auth_events = {POWER_KEY: pl_event}
else:
auth_events_ids = yield self.auth.compute_auth_events(
event, context.prev_state_ids, for_verification=False,
)
auth_events = yield self.store.get_events(auth_events_ids)
auth_events = {
(e.type, e.state_key): e for e in auth_events.itervalues()
}
sender_level = get_user_power_level(event.sender, auth_events)
pl_event = auth_events.get(POWER_KEY)
defer.returnValue((pl_event.content if pl_event else {}, sender_level))
@defer.inlineCallbacks
def action_for_event_by_user(self, event, context):
"""Given an event and context, evaluate the push rules and return
@ -123,7 +150,13 @@ class BulkPushRuleEvaluator(object):
event, context
)
evaluator = PushRuleEvaluatorForEvent(event, len(room_members))
(power_levels, sender_power_level) = (
yield self._get_power_levels_and_sender_level(event, context)
)
evaluator = PushRuleEvaluatorForEvent(
event, len(room_members), sender_power_level, power_levels,
)
condition_cache = {}

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@ -1,5 +1,6 @@
# -*- coding: utf-8 -*-
# Copyright 2015, 2016 OpenMarket Ltd
# Copyright 2017 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.
@ -29,6 +30,21 @@ INEQUALITY_EXPR = re.compile("^([=<>]*)([0-9]*)$")
def _room_member_count(ev, condition, room_member_count):
return _test_ineq_condition(condition, room_member_count)
def _sender_notification_permission(ev, condition, sender_power_level, power_levels):
notif_level_key = condition.get('key')
if notif_level_key is None:
return False
notif_levels = power_levels.get('notifications', {})
room_notif_level = notif_levels.get(notif_level_key, 50)
return sender_power_level >= room_notif_level
def _test_ineq_condition(condition, number):
if 'is' not in condition:
return False
m = INEQUALITY_EXPR.match(condition['is'])
@ -41,15 +57,15 @@ def _room_member_count(ev, condition, room_member_count):
rhs = int(rhs)
if ineq == '' or ineq == '==':
return room_member_count == rhs
return number == rhs
elif ineq == '<':
return room_member_count < rhs
return number < rhs
elif ineq == '>':
return room_member_count > rhs
return number > rhs
elif ineq == '>=':
return room_member_count >= rhs
return number >= rhs
elif ineq == '<=':
return room_member_count <= rhs
return number <= rhs
else:
return False
@ -65,9 +81,11 @@ def tweaks_for_actions(actions):
class PushRuleEvaluatorForEvent(object):
def __init__(self, event, room_member_count):
def __init__(self, event, room_member_count, sender_power_level, power_levels):
self._event = event
self._room_member_count = room_member_count
self._sender_power_level = sender_power_level
self._power_levels = power_levels
# Maps strings of e.g. 'content.body' -> event["content"]["body"]
self._value_cache = _flatten_dict(event)
@ -81,6 +99,10 @@ class PushRuleEvaluatorForEvent(object):
return _room_member_count(
self._event, condition, self._room_member_count
)
elif condition['kind'] == 'sender_notification_permission':
return _sender_notification_permission(
self._event, condition, self._sender_power_level, self._power_levels,
)
else:
return True