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8767b63a82
Propagate opentracing contexts through EDUs Co-Authored-By: Richard van der Hoff <1389908+richvdh@users.noreply.github.com>
139 lines
4.9 KiB
Python
139 lines
4.9 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 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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import logging
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from canonicaljson import json
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from twisted.internet import defer
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from synapse.api.errors import SynapseError
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from synapse.logging.opentracing import (
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get_active_span_text_map,
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set_tag,
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start_active_span,
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whitelisted_homeserver,
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)
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from synapse.types import UserID, get_domain_from_id
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from synapse.util.stringutils import random_string
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logger = logging.getLogger(__name__)
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class DeviceMessageHandler(object):
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def __init__(self, hs):
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"""
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Args:
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hs (synapse.server.HomeServer): server
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"""
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self.store = hs.get_datastore()
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self.notifier = hs.get_notifier()
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self.is_mine = hs.is_mine
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self.federation = hs.get_federation_sender()
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hs.get_federation_registry().register_edu_handler(
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"m.direct_to_device", self.on_direct_to_device_edu
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)
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@defer.inlineCallbacks
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def on_direct_to_device_edu(self, origin, content):
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local_messages = {}
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sender_user_id = content["sender"]
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if origin != get_domain_from_id(sender_user_id):
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logger.warn(
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"Dropping device message from %r with spoofed sender %r",
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origin,
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sender_user_id,
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)
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message_type = content["type"]
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message_id = content["message_id"]
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for user_id, by_device in content["messages"].items():
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# we use UserID.from_string to catch invalid user ids
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if not self.is_mine(UserID.from_string(user_id)):
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logger.warning("Request for keys for non-local user %s", user_id)
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raise SynapseError(400, "Not a user here")
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messages_by_device = {
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device_id: {
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"content": message_content,
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"type": message_type,
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"sender": sender_user_id,
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}
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for device_id, message_content in by_device.items()
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}
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if messages_by_device:
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local_messages[user_id] = messages_by_device
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stream_id = yield self.store.add_messages_from_remote_to_device_inbox(
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origin, message_id, local_messages
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)
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self.notifier.on_new_event(
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"to_device_key", stream_id, users=local_messages.keys()
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)
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@defer.inlineCallbacks
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def send_device_message(self, sender_user_id, message_type, messages):
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local_messages = {}
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remote_messages = {}
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for user_id, by_device in messages.items():
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# we use UserID.from_string to catch invalid user ids
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if self.is_mine(UserID.from_string(user_id)):
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messages_by_device = {
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device_id: {
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"content": message_content,
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"type": message_type,
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"sender": sender_user_id,
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}
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for device_id, message_content in by_device.items()
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}
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if messages_by_device:
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local_messages[user_id] = messages_by_device
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else:
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destination = get_domain_from_id(user_id)
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remote_messages.setdefault(destination, {})[user_id] = by_device
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message_id = random_string(16)
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context = get_active_span_text_map()
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remote_edu_contents = {}
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for destination, messages in remote_messages.items():
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with start_active_span("to_device_for_user"):
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set_tag("destination", destination)
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remote_edu_contents[destination] = {
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"messages": messages,
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"sender": sender_user_id,
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"type": message_type,
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"message_id": message_id,
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"org.matrix.opentracing_context": json.dumps(context)
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if whitelisted_homeserver(destination)
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else None,
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}
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stream_id = yield self.store.add_messages_to_device_inbox(
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local_messages, remote_edu_contents
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)
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self.notifier.on_new_event(
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"to_device_key", stream_id, users=local_messages.keys()
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)
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for destination in remote_messages.keys():
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# Enqueue a new federation transaction to send the new
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# device messages to each remote destination.
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self.federation.send_device_messages(destination)
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