113 lines
3.9 KiB
Python
113 lines
3.9 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2015 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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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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import logging
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import urllib
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logger = logging.getLogger(__name__)
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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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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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@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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@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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@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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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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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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@defer.inlineCallbacks
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def push(self, service, event, txn_id=None):
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response = yield self.push_bulk(service, [event], txn_id)
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defer.returnValue(response)
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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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