198 lines
		
	
	
		
			6.9 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			198 lines
		
	
	
		
			6.9 KiB
		
	
	
	
		
			Python
		
	
	
| #!/usr/bin/env python
 | |
| # -*- coding: utf-8 -*-
 | |
| # Copyright 2015, 2016 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.
 | |
| 
 | |
| from twisted.internet import defer
 | |
| 
 | |
| from httppusher import HttpPusher
 | |
| from synapse.push import PusherConfigException
 | |
| 
 | |
| import logging
 | |
| 
 | |
| logger = logging.getLogger(__name__)
 | |
| 
 | |
| 
 | |
| class PusherPool:
 | |
|     def __init__(self, _hs):
 | |
|         self.hs = _hs
 | |
|         self.store = self.hs.get_datastore()
 | |
|         self.pushers = {}
 | |
|         self.last_pusher_started = -1
 | |
| 
 | |
|         distributor = self.hs.get_distributor()
 | |
|         distributor.observe(
 | |
|             "user_presence_changed", self.user_presence_changed
 | |
|         )
 | |
| 
 | |
|     @defer.inlineCallbacks
 | |
|     def user_presence_changed(self, user, state):
 | |
|         user_name = user.to_string()
 | |
| 
 | |
|         # until we have read receipts, pushers use this to reset a user's
 | |
|         # badge counters to zero
 | |
|         for p in self.pushers.values():
 | |
|             if p.user_name == user_name:
 | |
|                 yield p.presence_changed(state)
 | |
| 
 | |
|     @defer.inlineCallbacks
 | |
|     def start(self):
 | |
|         pushers = yield self.store.get_all_pushers()
 | |
|         self._start_pushers(pushers)
 | |
| 
 | |
|     @defer.inlineCallbacks
 | |
|     def add_pusher(self, user_name, access_token, profile_tag, kind, app_id,
 | |
|                    app_display_name, device_display_name, pushkey, lang, data):
 | |
|         # we try to create the pusher just to validate the config: it
 | |
|         # will then get pulled out of the database,
 | |
|         # recreated, added and started: this means we have only one
 | |
|         # code path adding pushers.
 | |
|         self._create_pusher({
 | |
|             "user_name": user_name,
 | |
|             "kind": kind,
 | |
|             "profile_tag": profile_tag,
 | |
|             "app_id": app_id,
 | |
|             "app_display_name": app_display_name,
 | |
|             "device_display_name": device_display_name,
 | |
|             "pushkey": pushkey,
 | |
|             "ts": self.hs.get_clock().time_msec(),
 | |
|             "lang": lang,
 | |
|             "data": data,
 | |
|             "last_token": None,
 | |
|             "last_success": None,
 | |
|             "failing_since": None
 | |
|         })
 | |
|         yield self._add_pusher_to_store(
 | |
|             user_name, access_token, profile_tag, kind, app_id,
 | |
|             app_display_name, device_display_name,
 | |
|             pushkey, lang, data
 | |
|         )
 | |
| 
 | |
|     @defer.inlineCallbacks
 | |
|     def remove_pushers_by_app_id_and_pushkey_not_user(self, app_id, pushkey,
 | |
|                                                       not_user_id):
 | |
|         to_remove = yield self.store.get_pushers_by_app_id_and_pushkey(
 | |
|             app_id, pushkey
 | |
|         )
 | |
|         for p in to_remove:
 | |
|             if p['user_name'] != not_user_id:
 | |
|                 logger.info(
 | |
|                     "Removing pusher for app id %s, pushkey %s, user %s",
 | |
|                     app_id, pushkey, p['user_name']
 | |
|                 )
 | |
|                 self.remove_pusher(p['app_id'], p['pushkey'], p['user_name'])
 | |
| 
 | |
|     @defer.inlineCallbacks
 | |
|     def remove_pushers_by_user(self, user_id):
 | |
|         all = yield self.store.get_all_pushers()
 | |
|         logger.info(
 | |
|             "Removing all pushers for user %s",
 | |
|             user_id,
 | |
|         )
 | |
|         for p in all:
 | |
|             if p['user_name'] == user_id:
 | |
|                 logger.info(
 | |
|                     "Removing pusher for app id %s, pushkey %s, user %s",
 | |
|                     p['app_id'], p['pushkey'], p['user_name']
 | |
|                 )
 | |
|                 self.remove_pusher(p['app_id'], p['pushkey'], p['user_name'])
 | |
| 
 | |
|     @defer.inlineCallbacks
 | |
|     def _add_pusher_to_store(self, user_name, access_token, profile_tag, kind,
 | |
|                              app_id, app_display_name, device_display_name,
 | |
|                              pushkey, lang, data):
 | |
|         yield self.store.add_pusher(
 | |
|             user_name=user_name,
 | |
|             access_token=access_token,
 | |
|             profile_tag=profile_tag,
 | |
|             kind=kind,
 | |
|             app_id=app_id,
 | |
|             app_display_name=app_display_name,
 | |
|             device_display_name=device_display_name,
 | |
|             pushkey=pushkey,
 | |
|             pushkey_ts=self.hs.get_clock().time_msec(),
 | |
|             lang=lang,
 | |
|             data=data,
 | |
|         )
 | |
|         self._refresh_pusher(app_id, pushkey, user_name)
 | |
| 
 | |
|     def _create_pusher(self, pusherdict):
 | |
|         if pusherdict['kind'] == 'http':
 | |
|             return HttpPusher(
 | |
|                 self.hs,
 | |
|                 profile_tag=pusherdict['profile_tag'],
 | |
|                 user_name=pusherdict['user_name'],
 | |
|                 app_id=pusherdict['app_id'],
 | |
|                 app_display_name=pusherdict['app_display_name'],
 | |
|                 device_display_name=pusherdict['device_display_name'],
 | |
|                 pushkey=pusherdict['pushkey'],
 | |
|                 pushkey_ts=pusherdict['ts'],
 | |
|                 data=pusherdict['data'],
 | |
|                 last_token=pusherdict['last_token'],
 | |
|                 last_success=pusherdict['last_success'],
 | |
|                 failing_since=pusherdict['failing_since']
 | |
|             )
 | |
|         else:
 | |
|             raise PusherConfigException(
 | |
|                 "Unknown pusher type '%s' for user %s" %
 | |
|                 (pusherdict['kind'], pusherdict['user_name'])
 | |
|             )
 | |
| 
 | |
|     @defer.inlineCallbacks
 | |
|     def _refresh_pusher(self, app_id, pushkey, user_name):
 | |
|         resultlist = yield self.store.get_pushers_by_app_id_and_pushkey(
 | |
|             app_id, pushkey
 | |
|         )
 | |
| 
 | |
|         p = None
 | |
|         for r in resultlist:
 | |
|             if r['user_name'] == user_name:
 | |
|                 p = r
 | |
| 
 | |
|         if p:
 | |
| 
 | |
|             self._start_pushers([p])
 | |
| 
 | |
|     def _start_pushers(self, pushers):
 | |
|         logger.info("Starting %d pushers", len(pushers))
 | |
|         for pusherdict in pushers:
 | |
|             try:
 | |
|                 p = self._create_pusher(pusherdict)
 | |
|             except PusherConfigException:
 | |
|                 logger.exception("Couldn't start a pusher: caught PusherConfigException")
 | |
|                 continue
 | |
|             if p:
 | |
|                 fullid = "%s:%s:%s" % (
 | |
|                     pusherdict['app_id'],
 | |
|                     pusherdict['pushkey'],
 | |
|                     pusherdict['user_name']
 | |
|                 )
 | |
|                 if fullid in self.pushers:
 | |
|                     self.pushers[fullid].stop()
 | |
|                 self.pushers[fullid] = p
 | |
|                 p.start()
 | |
| 
 | |
|         logger.info("Started pushers")
 | |
| 
 | |
|     @defer.inlineCallbacks
 | |
|     def remove_pusher(self, app_id, pushkey, user_name):
 | |
|         fullid = "%s:%s:%s" % (app_id, pushkey, user_name)
 | |
|         if fullid in self.pushers:
 | |
|             logger.info("Stopping pusher %s", fullid)
 | |
|             self.pushers[fullid].stop()
 | |
|             del self.pushers[fullid]
 | |
|         yield self.store.delete_pusher_by_app_id_pushkey_user_name(
 | |
|             app_id, pushkey, user_name
 | |
|         )
 |