377 lines
14 KiB
Python
377 lines
14 KiB
Python
# -*- 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.
|
|
# 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
|
|
|
|
from twisted.internet import defer, reactor
|
|
from twisted.internet.error import AlreadyCalled, AlreadyCancelled
|
|
|
|
from . import push_rule_evaluator
|
|
from . import push_tools
|
|
from synapse.push import PusherConfigException
|
|
from synapse.util.logcontext import LoggingContext
|
|
from synapse.util.metrics import Measure
|
|
|
|
from prometheus_client import Counter
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
http_push_processed_counter = Counter("synapse_http_httppusher_http_pushes_processed", "")
|
|
|
|
http_push_failed_counter = Counter("synapse_http_httppusher_http_pushes_failed", "")
|
|
|
|
|
|
class HttpPusher(object):
|
|
INITIAL_BACKOFF_SEC = 1 # in seconds because that's what Twisted takes
|
|
MAX_BACKOFF_SEC = 60 * 60
|
|
|
|
# This one's in ms because we compare it against the clock
|
|
GIVE_UP_AFTER_MS = 24 * 60 * 60 * 1000
|
|
|
|
def __init__(self, hs, pusherdict):
|
|
self.hs = hs
|
|
self.store = self.hs.get_datastore()
|
|
self.clock = self.hs.get_clock()
|
|
self.state_handler = self.hs.get_state_handler()
|
|
self.user_id = pusherdict['user_name']
|
|
self.app_id = pusherdict['app_id']
|
|
self.app_display_name = pusherdict['app_display_name']
|
|
self.device_display_name = pusherdict['device_display_name']
|
|
self.pushkey = pusherdict['pushkey']
|
|
self.pushkey_ts = pusherdict['ts']
|
|
self.data = pusherdict['data']
|
|
self.last_stream_ordering = pusherdict['last_stream_ordering']
|
|
self.backoff_delay = HttpPusher.INITIAL_BACKOFF_SEC
|
|
self.failing_since = pusherdict['failing_since']
|
|
self.timed_call = None
|
|
self.processing = False
|
|
|
|
# This is the highest stream ordering we know it's safe to process.
|
|
# When new events arrive, we'll be given a window of new events: we
|
|
# should honour this rather than just looking for anything higher
|
|
# because of potential out-of-order event serialisation. This starts
|
|
# off as None though as we don't know any better.
|
|
self.max_stream_ordering = None
|
|
|
|
if 'data' not in pusherdict:
|
|
raise PusherConfigException(
|
|
"No 'data' key for HTTP pusher"
|
|
)
|
|
self.data = pusherdict['data']
|
|
|
|
self.name = "%s/%s/%s" % (
|
|
pusherdict['user_name'],
|
|
pusherdict['app_id'],
|
|
pusherdict['pushkey'],
|
|
)
|
|
|
|
if 'url' not in self.data:
|
|
raise PusherConfigException(
|
|
"'url' required in data for HTTP pusher"
|
|
)
|
|
self.url = self.data['url']
|
|
self.http_client = hs.get_simple_http_client()
|
|
self.data_minus_url = {}
|
|
self.data_minus_url.update(self.data)
|
|
del self.data_minus_url['url']
|
|
|
|
@defer.inlineCallbacks
|
|
def on_started(self):
|
|
try:
|
|
yield self._process()
|
|
except Exception:
|
|
logger.exception("Error starting http pusher")
|
|
|
|
@defer.inlineCallbacks
|
|
def on_new_notifications(self, min_stream_ordering, max_stream_ordering):
|
|
self.max_stream_ordering = max(max_stream_ordering, self.max_stream_ordering)
|
|
yield self._process()
|
|
|
|
@defer.inlineCallbacks
|
|
def on_new_receipts(self, min_stream_id, max_stream_id):
|
|
# Note that the min here shouldn't be relied upon to be accurate.
|
|
|
|
# We could check the receipts are actually m.read receipts here,
|
|
# but currently that's the only type of receipt anyway...
|
|
with LoggingContext("push.on_new_receipts"):
|
|
with Measure(self.clock, "push.on_new_receipts"):
|
|
badge = yield push_tools.get_badge_count(
|
|
self.hs.get_datastore(), self.user_id
|
|
)
|
|
yield self._send_badge(badge)
|
|
|
|
@defer.inlineCallbacks
|
|
def on_timer(self):
|
|
yield self._process()
|
|
|
|
def on_stop(self):
|
|
if self.timed_call:
|
|
try:
|
|
self.timed_call.cancel()
|
|
except (AlreadyCalled, AlreadyCancelled):
|
|
pass
|
|
self.timed_call = None
|
|
|
|
@defer.inlineCallbacks
|
|
def _process(self):
|
|
if self.processing:
|
|
return
|
|
|
|
with LoggingContext("push._process"):
|
|
with Measure(self.clock, "push._process"):
|
|
try:
|
|
self.processing = True
|
|
# if the max ordering changes while we're running _unsafe_process,
|
|
# call it again, and so on until we've caught up.
|
|
while True:
|
|
starting_max_ordering = self.max_stream_ordering
|
|
try:
|
|
yield self._unsafe_process()
|
|
except Exception:
|
|
logger.exception("Exception processing notifs")
|
|
if self.max_stream_ordering == starting_max_ordering:
|
|
break
|
|
finally:
|
|
self.processing = False
|
|
|
|
@defer.inlineCallbacks
|
|
def _unsafe_process(self):
|
|
"""
|
|
Looks for unset notifications and dispatch them, in order
|
|
Never call this directly: use _process which will only allow this to
|
|
run once per pusher.
|
|
"""
|
|
|
|
fn = self.store.get_unread_push_actions_for_user_in_range_for_http
|
|
unprocessed = yield fn(
|
|
self.user_id, self.last_stream_ordering, self.max_stream_ordering
|
|
)
|
|
|
|
logger.info(
|
|
"Processing %i unprocessed push actions for %s starting at "
|
|
"stream_ordering %s",
|
|
len(unprocessed), self.name, self.last_stream_ordering,
|
|
)
|
|
|
|
for push_action in unprocessed:
|
|
processed = yield self._process_one(push_action)
|
|
if processed:
|
|
http_push_processed_counter.inc()
|
|
self.backoff_delay = HttpPusher.INITIAL_BACKOFF_SEC
|
|
self.last_stream_ordering = push_action['stream_ordering']
|
|
yield self.store.update_pusher_last_stream_ordering_and_success(
|
|
self.app_id, self.pushkey, self.user_id,
|
|
self.last_stream_ordering,
|
|
self.clock.time_msec()
|
|
)
|
|
if self.failing_since:
|
|
self.failing_since = None
|
|
yield self.store.update_pusher_failing_since(
|
|
self.app_id, self.pushkey, self.user_id,
|
|
self.failing_since
|
|
)
|
|
else:
|
|
http_push_failed_counter.inc()
|
|
if not self.failing_since:
|
|
self.failing_since = self.clock.time_msec()
|
|
yield self.store.update_pusher_failing_since(
|
|
self.app_id, self.pushkey, self.user_id,
|
|
self.failing_since
|
|
)
|
|
|
|
if (
|
|
self.failing_since and
|
|
self.failing_since <
|
|
self.clock.time_msec() - HttpPusher.GIVE_UP_AFTER_MS
|
|
):
|
|
# we really only give up so that if the URL gets
|
|
# fixed, we don't suddenly deliver a load
|
|
# of old notifications.
|
|
logger.warn("Giving up on a notification to user %s, "
|
|
"pushkey %s",
|
|
self.user_id, self.pushkey)
|
|
self.backoff_delay = HttpPusher.INITIAL_BACKOFF_SEC
|
|
self.last_stream_ordering = push_action['stream_ordering']
|
|
yield self.store.update_pusher_last_stream_ordering(
|
|
self.app_id,
|
|
self.pushkey,
|
|
self.user_id,
|
|
self.last_stream_ordering
|
|
)
|
|
|
|
self.failing_since = None
|
|
yield self.store.update_pusher_failing_since(
|
|
self.app_id,
|
|
self.pushkey,
|
|
self.user_id,
|
|
self.failing_since
|
|
)
|
|
else:
|
|
logger.info("Push failed: delaying for %ds", self.backoff_delay)
|
|
self.timed_call = reactor.callLater(self.backoff_delay, self.on_timer)
|
|
self.backoff_delay = min(self.backoff_delay * 2, self.MAX_BACKOFF_SEC)
|
|
break
|
|
|
|
@defer.inlineCallbacks
|
|
def _process_one(self, push_action):
|
|
if 'notify' not in push_action['actions']:
|
|
defer.returnValue(True)
|
|
|
|
tweaks = push_rule_evaluator.tweaks_for_actions(push_action['actions'])
|
|
badge = yield push_tools.get_badge_count(self.hs.get_datastore(), self.user_id)
|
|
|
|
event = yield self.store.get_event(push_action['event_id'], allow_none=True)
|
|
if event is None:
|
|
defer.returnValue(True) # It's been redacted
|
|
rejected = yield self.dispatch_push(event, tweaks, badge)
|
|
if rejected is False:
|
|
defer.returnValue(False)
|
|
|
|
if isinstance(rejected, list) or isinstance(rejected, tuple):
|
|
for pk in rejected:
|
|
if pk != self.pushkey:
|
|
# for sanity, we only remove the pushkey if it
|
|
# was the one we actually sent...
|
|
logger.warn(
|
|
("Ignoring rejected pushkey %s because we"
|
|
" didn't send it"), pk
|
|
)
|
|
else:
|
|
logger.info(
|
|
"Pushkey %s was rejected: removing",
|
|
pk
|
|
)
|
|
yield self.hs.remove_pusher(
|
|
self.app_id, pk, self.user_id
|
|
)
|
|
defer.returnValue(True)
|
|
|
|
@defer.inlineCallbacks
|
|
def _build_notification_dict(self, event, tweaks, badge):
|
|
if self.data.get('format') == 'event_id_only':
|
|
d = {
|
|
'notification': {
|
|
'event_id': event.event_id,
|
|
'room_id': event.room_id,
|
|
'counts': {
|
|
'unread': badge,
|
|
},
|
|
'devices': [
|
|
{
|
|
'app_id': self.app_id,
|
|
'pushkey': self.pushkey,
|
|
'pushkey_ts': long(self.pushkey_ts / 1000),
|
|
'data': self.data_minus_url,
|
|
}
|
|
]
|
|
}
|
|
}
|
|
defer.returnValue(d)
|
|
|
|
ctx = yield push_tools.get_context_for_event(
|
|
self.store, self.state_handler, event, self.user_id
|
|
)
|
|
|
|
d = {
|
|
'notification': {
|
|
'id': event.event_id, # deprecated: remove soon
|
|
'event_id': event.event_id,
|
|
'room_id': event.room_id,
|
|
'type': event.type,
|
|
'sender': event.user_id,
|
|
'counts': { # -- we don't mark messages as read yet so
|
|
# we have no way of knowing
|
|
# Just set the badge to 1 until we have read receipts
|
|
'unread': badge,
|
|
# 'missed_calls': 2
|
|
},
|
|
'devices': [
|
|
{
|
|
'app_id': self.app_id,
|
|
'pushkey': self.pushkey,
|
|
'pushkey_ts': long(self.pushkey_ts / 1000),
|
|
'data': self.data_minus_url,
|
|
'tweaks': tweaks
|
|
}
|
|
]
|
|
}
|
|
}
|
|
if event.type == 'm.room.member':
|
|
d['notification']['membership'] = event.content['membership']
|
|
d['notification']['user_is_target'] = event.state_key == self.user_id
|
|
if self.hs.config.push_include_content and 'content' in event:
|
|
d['notification']['content'] = event.content
|
|
|
|
# We no longer send aliases separately, instead, we send the human
|
|
# readable name of the room, which may be an alias.
|
|
if 'sender_display_name' in ctx and len(ctx['sender_display_name']) > 0:
|
|
d['notification']['sender_display_name'] = ctx['sender_display_name']
|
|
if 'name' in ctx and len(ctx['name']) > 0:
|
|
d['notification']['room_name'] = ctx['name']
|
|
|
|
defer.returnValue(d)
|
|
|
|
@defer.inlineCallbacks
|
|
def dispatch_push(self, event, tweaks, badge):
|
|
notification_dict = yield self._build_notification_dict(event, tweaks, badge)
|
|
if not notification_dict:
|
|
defer.returnValue([])
|
|
try:
|
|
resp = yield self.http_client.post_json_get_json(self.url, notification_dict)
|
|
except Exception:
|
|
logger.warn(
|
|
"Failed to push event %s to %s",
|
|
event.event_id, self.name, exc_info=True,
|
|
)
|
|
defer.returnValue(False)
|
|
rejected = []
|
|
if 'rejected' in resp:
|
|
rejected = resp['rejected']
|
|
defer.returnValue(rejected)
|
|
|
|
@defer.inlineCallbacks
|
|
def _send_badge(self, badge):
|
|
logger.info("Sending updated badge count %d to %s", badge, self.name)
|
|
d = {
|
|
'notification': {
|
|
'id': '',
|
|
'type': None,
|
|
'sender': '',
|
|
'counts': {
|
|
'unread': badge
|
|
},
|
|
'devices': [
|
|
{
|
|
'app_id': self.app_id,
|
|
'pushkey': self.pushkey,
|
|
'pushkey_ts': long(self.pushkey_ts / 1000),
|
|
'data': self.data_minus_url,
|
|
}
|
|
]
|
|
}
|
|
}
|
|
try:
|
|
resp = yield self.http_client.post_json_get_json(self.url, d)
|
|
except Exception:
|
|
logger.warn(
|
|
"Failed to send badge count to %s",
|
|
self.name, exc_info=True,
|
|
)
|
|
defer.returnValue(False)
|
|
rejected = []
|
|
if 'rejected' in resp:
|
|
rejected = resp['rejected']
|
|
defer.returnValue(rejected)
|