diff options
Diffstat (limited to 'synapse/handlers')
| -rw-r--r-- | synapse/handlers/devicemessage.py | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/synapse/handlers/devicemessage.py b/synapse/handlers/devicemessage.py new file mode 100644 index 0000000000..c5368e5df2 --- /dev/null +++ b/synapse/handlers/devicemessage.py @@ -0,0 +1,117 @@ +# -*- coding: utf-8 -*- +# Copyright 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. + +import logging + +from twisted.internet import defer + +from synapse.types import get_domain_from_id +from synapse.util.stringutils import random_string + + +logger = logging.getLogger(__name__) + + +class DeviceMessageHandler(object): + + def __init__(self, hs): + """ + Args: + hs (synapse.server.HomeServer): server + """ + self.store = hs.get_datastore() + self.notifier = hs.get_notifier() + self.is_mine_id = hs.is_mine_id + self.federation = hs.get_replication_layer() + + self.federation.register_edu_handler( + "m.direct_to_device", self.on_direct_to_device_edu + ) + + @defer.inlineCallbacks + def on_direct_to_device_edu(self, origin, content): + local_messages = {} + sender_user_id = content["sender"] + if origin != get_domain_from_id(sender_user_id): + logger.warn( + "Dropping device message from %r with spoofed sender %r", + origin, sender_user_id + ) + message_type = content["type"] + message_id = content["message_id"] + for user_id, by_device in content["messages"].items(): + messages_by_device = { + device_id: { + "content": message_content, + "type": message_type, + "sender": sender_user_id, + } + for device_id, message_content in by_device.items() + } + if messages_by_device: + local_messages[user_id] = messages_by_device + + stream_id = yield self.store.add_messages_from_remote_to_device_inbox( + origin, message_id, local_messages + ) + + self.notifier.on_new_event( + "to_device_key", stream_id, users=local_messages.keys() + ) + + @defer.inlineCallbacks + def send_device_message(self, sender_user_id, message_type, messages): + + local_messages = {} + remote_messages = {} + for user_id, by_device in messages.items(): + if self.is_mine_id(user_id): + messages_by_device = { + device_id: { + "content": message_content, + "type": message_type, + "sender": sender_user_id, + } + for device_id, message_content in by_device.items() + } + if messages_by_device: + local_messages[user_id] = messages_by_device + else: + destination = get_domain_from_id(user_id) + remote_messages.setdefault(destination, {})[user_id] = by_device + + message_id = random_string(16) + + remote_edu_contents = {} + for destination, messages in remote_messages.items(): + remote_edu_contents[destination] = { + "messages": messages, + "sender": sender_user_id, + "type": message_type, + "message_id": message_id, + } + + stream_id = yield self.store.add_messages_to_device_inbox( + local_messages, remote_edu_contents + ) + + self.notifier.on_new_event( + "to_device_key", stream_id, users=local_messages.keys() + ) + + for destination in remote_messages.keys(): + # Enqueue a new federation transaction to send the new + # device messages to each remote destination. + self.federation.send_device_messages(destination) |