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# -*- coding: utf-8 -*-
# Copyright 2014 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 synapse.push import Pusher, PusherConfigException
from synapse.http.client import SimpleHttpClient
from twisted.internet import defer
import logging
logger = logging.getLogger(__name__)
class HttpPusher(Pusher):
def __init__(self, _hs, user_name, app, app_display_name, device_display_name, pushkey, data,
last_token, last_success, failing_since):
super(HttpPusher, self).__init__(_hs,
user_name,
app,
app_display_name,
device_display_name,
pushkey,
data,
last_token,
last_success,
failing_since)
if 'url' not in data:
raise PusherConfigException("'url' required in data for HTTP pusher")
self.url = data['url']
self.httpCli = SimpleHttpClient(self.hs)
self.data_minus_url = {}
self.data_minus_url.update(self.data)
del self.data_minus_url['url']
def _build_notification_dict(self, event):
# we probably do not want to push for every presence update
# (we may want to be able to set up notifications when specific
# people sign in, but we'd want to only deliver the pertinent ones)
# Actually, presence events will not get this far now because we
# need to filter them out in the main Pusher code.
if 'event_id' not in event:
return None
return {
'notification': {
'transition' : 'new', # everything is new for now: we don't have read receipts
'id': event['event_id'],
'type': event['type'],
'from': event['user_id'],
# we may have to fetch this over federation and we can't trust it anyway: is it worth it?
#'fromDisplayName': 'Steve Stevington'
},
#'counts': { -- we don't mark messages as read yet so we have no way of knowing
# 'unread': 1,
# 'missedCalls': 2
# },
'devices': {
self.pushkey: {
'data' : self.data_minus_url
}
}
}
@defer.inlineCallbacks
def dispatchPush(self, event):
notificationDict = self._build_notification_dict(event)
if not notificationDict:
defer.returnValue(True)
try:
yield self.httpCli.post_json_get_json(self.url, notificationDict)
except:
logger.exception("Failed to push %s ", self.url)
defer.returnValue(False)
defer.returnValue(True)
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