108 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			108 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Python
		
	
	
| # -*- coding: utf-8 -*-
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| # Copyright 2015, 2016 OpenMarket Ltd
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| #
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| # Licensed under the Apache License, Version 2.0 (the "License");
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| # you may not use this file except in compliance with the License.
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| # You may obtain a copy of the License at
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| #
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| #     http://www.apache.org/licenses/LICENSE-2.0
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| #
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| # Unless required by applicable law or agreed to in writing, software
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| # distributed under the License is distributed on an "AS IS" BASIS,
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| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| # See the License for the specific language governing permissions and
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| # limitations under the License.
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| from twisted.internet import defer
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| 
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| from synapse.api.errors import CodeMessageException
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| from synapse.http.client import SimpleHttpClient
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| from synapse.events.utils import serialize_event
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| 
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| import logging
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| import urllib
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| 
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| logger = logging.getLogger(__name__)
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| 
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| 
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| class ApplicationServiceApi(SimpleHttpClient):
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|     """This class manages HS -> AS communications, including querying and
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|     pushing.
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|     """
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| 
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|     def __init__(self, hs):
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|         super(ApplicationServiceApi, self).__init__(hs)
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|         self.clock = hs.get_clock()
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| 
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|     @defer.inlineCallbacks
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|     def query_user(self, service, user_id):
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|         uri = service.url + ("/users/%s" % urllib.quote(user_id))
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|         response = None
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|         try:
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|             response = yield self.get_json(uri, {
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|                 "access_token": service.hs_token
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|             })
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|             if response is not None:  # just an empty json object
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|                 defer.returnValue(True)
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|         except CodeMessageException as e:
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|             if e.code == 404:
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|                 defer.returnValue(False)
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|                 return
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|             logger.warning("query_user to %s received %s", uri, e.code)
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|         except Exception as ex:
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|             logger.warning("query_user to %s threw exception %s", uri, ex)
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|         defer.returnValue(False)
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| 
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|     @defer.inlineCallbacks
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|     def query_alias(self, service, alias):
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|         uri = service.url + ("/rooms/%s" % urllib.quote(alias))
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|         response = None
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|         try:
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|             response = yield self.get_json(uri, {
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|                 "access_token": service.hs_token
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|             })
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|             if response is not None:  # just an empty json object
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|                 defer.returnValue(True)
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|         except CodeMessageException as e:
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|             logger.warning("query_alias to %s received %s", uri, e.code)
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|             if e.code == 404:
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|                 defer.returnValue(False)
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|                 return
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|         except Exception as ex:
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|             logger.warning("query_alias to %s threw exception %s", uri, ex)
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|         defer.returnValue(False)
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| 
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|     @defer.inlineCallbacks
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|     def push_bulk(self, service, events, txn_id=None):
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|         events = self._serialize(events)
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| 
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|         if txn_id is None:
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|             logger.warning("push_bulk: Missing txn ID sending events to %s",
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|                            service.url)
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|             txn_id = str(0)
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|         txn_id = str(txn_id)
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| 
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|         uri = service.url + ("/transactions/%s" %
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|                              urllib.quote(txn_id))
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|         try:
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|             yield self.put_json(
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|                 uri=uri,
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|                 json_body={
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|                     "events": events
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|                 },
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|                 args={
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|                     "access_token": service.hs_token
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|                 })
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|             defer.returnValue(True)
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|             return
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|         except CodeMessageException as e:
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|             logger.warning("push_bulk to %s received %s", uri, e.code)
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|         except Exception as ex:
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|             logger.warning("push_bulk to %s threw exception %s", uri, ex)
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|         defer.returnValue(False)
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| 
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|     def _serialize(self, events):
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|         time_now = self.clock.time_msec()
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|         return [
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|             serialize_event(e, time_now, as_client_event=True) for e in events
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|         ]
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