mirror of
https://git.anonymousland.org/anonymousland/synapse.git
synced 2024-10-01 11:49:51 -04:00
c79c4f9b14
A hopefully-complete implementation of the full_state incremental sync, as specced at https://github.com/matrix-org/matrix-doc/pull/133. This actually turns out to be a relatively simple modification to the initial sync implementation.
242 lines
8.3 KiB
Python
242 lines
8.3 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2015 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 twisted.internet import defer
|
|
|
|
from synapse.http.servlet import (
|
|
RestServlet, parse_string, parse_integer, parse_boolean
|
|
)
|
|
from synapse.handlers.sync import SyncConfig
|
|
from synapse.types import StreamToken
|
|
from synapse.events.utils import (
|
|
serialize_event, format_event_for_client_v2_without_event_id,
|
|
)
|
|
from synapse.api.filtering import FilterCollection
|
|
from ._base import client_v2_pattern
|
|
|
|
import copy
|
|
import logging
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class SyncRestServlet(RestServlet):
|
|
"""
|
|
|
|
GET parameters::
|
|
timeout(int): How long to wait for new events in milliseconds.
|
|
since(batch_token): Batch token when asking for incremental deltas.
|
|
set_presence(str): What state the device presence should be set to.
|
|
default is "online".
|
|
filter(filter_id): A filter to apply to the events returned.
|
|
|
|
Response JSON::
|
|
{
|
|
"next_batch": // batch token for the next /sync
|
|
"presence": // presence data for the user.
|
|
"rooms": {
|
|
"joined": { // Joined rooms being updated.
|
|
"${room_id}": { // Id of the room being updated
|
|
"event_map": // Map of EventID -> event JSON.
|
|
"timeline": { // The recent events in the room if gap is "true"
|
|
"limited": // Was the per-room event limit exceeded?
|
|
// otherwise the next events in the room.
|
|
"events": [] // list of EventIDs in the "event_map".
|
|
"prev_batch": // back token for getting previous events.
|
|
}
|
|
"state": {"events": []} // list of EventIDs updating the
|
|
// current state to be what it should
|
|
// be at the end of the batch.
|
|
"ephemeral": {"events": []} // list of event objects
|
|
}
|
|
},
|
|
"invited": {}, // Invited rooms being updated.
|
|
"archived": {} // Archived rooms being updated.
|
|
}
|
|
}
|
|
"""
|
|
|
|
PATTERN = client_v2_pattern("/sync$")
|
|
ALLOWED_PRESENCE = set(["online", "offline"])
|
|
|
|
def __init__(self, hs):
|
|
super(SyncRestServlet, self).__init__()
|
|
self.auth = hs.get_auth()
|
|
self.event_stream_handler = hs.get_handlers().event_stream_handler
|
|
self.sync_handler = hs.get_handlers().sync_handler
|
|
self.clock = hs.get_clock()
|
|
self.filtering = hs.get_filtering()
|
|
|
|
@defer.inlineCallbacks
|
|
def on_GET(self, request):
|
|
user, token_id = yield self.auth.get_user_by_req(request)
|
|
|
|
timeout = parse_integer(request, "timeout", default=0)
|
|
since = parse_string(request, "since")
|
|
set_presence = parse_string(
|
|
request, "set_presence", default="online",
|
|
allowed_values=self.ALLOWED_PRESENCE
|
|
)
|
|
filter_id = parse_string(request, "filter", default=None)
|
|
full_state = parse_boolean(request, "full_state", default=False)
|
|
|
|
logger.info(
|
|
"/sync: user=%r, timeout=%r, since=%r,"
|
|
" set_presence=%r, filter_id=%r" % (
|
|
user, timeout, since, set_presence, filter_id
|
|
)
|
|
)
|
|
|
|
try:
|
|
filter = yield self.filtering.get_user_filter(
|
|
user.localpart, filter_id
|
|
)
|
|
except:
|
|
filter = FilterCollection({})
|
|
|
|
sync_config = SyncConfig(
|
|
user=user,
|
|
filter=filter,
|
|
)
|
|
|
|
if since is not None:
|
|
since_token = StreamToken.from_string(since)
|
|
else:
|
|
since_token = None
|
|
|
|
if set_presence == "online":
|
|
yield self.event_stream_handler.started_stream(user)
|
|
|
|
try:
|
|
sync_result = yield self.sync_handler.wait_for_sync_for_user(
|
|
sync_config, since_token=since_token, timeout=timeout,
|
|
full_state=full_state
|
|
)
|
|
finally:
|
|
if set_presence == "online":
|
|
self.event_stream_handler.stopped_stream(user)
|
|
|
|
time_now = self.clock.time_msec()
|
|
|
|
joined = self.encode_joined(
|
|
sync_result.joined, filter, time_now, token_id
|
|
)
|
|
|
|
invited = self.encode_invited(
|
|
sync_result.invited, filter, time_now, token_id
|
|
)
|
|
|
|
archived = self.encode_archived(
|
|
sync_result.archived, filter, time_now, token_id
|
|
)
|
|
|
|
response_content = {
|
|
"presence": self.encode_presence(
|
|
sync_result.presence, filter, time_now
|
|
),
|
|
"rooms": {
|
|
"joined": joined,
|
|
"invited": invited,
|
|
"archived": archived,
|
|
},
|
|
"next_batch": sync_result.next_batch.to_string(),
|
|
}
|
|
|
|
defer.returnValue((200, response_content))
|
|
|
|
def encode_presence(self, events, filter, time_now):
|
|
formatted = []
|
|
for event in events:
|
|
event = copy.deepcopy(event)
|
|
event['sender'] = event['content'].pop('user_id')
|
|
formatted.append(event)
|
|
return {"events": filter.filter_presence(formatted)}
|
|
|
|
def encode_joined(self, rooms, filter, time_now, token_id):
|
|
joined = {}
|
|
for room in rooms:
|
|
joined[room.room_id] = self.encode_room(
|
|
room, filter, time_now, token_id
|
|
)
|
|
|
|
return joined
|
|
|
|
def encode_invited(self, rooms, filter, time_now, token_id):
|
|
invited = {}
|
|
for room in rooms:
|
|
invite = serialize_event(
|
|
room.invite, time_now, token_id=token_id,
|
|
event_format=format_event_for_client_v2_without_event_id,
|
|
)
|
|
invited_state = invite.get("unsigned", {}).pop("invite_room_state", [])
|
|
invited_state.append(invite)
|
|
invited[room.room_id] = {
|
|
"invite_state": {"events": invited_state}
|
|
}
|
|
|
|
return invited
|
|
|
|
def encode_archived(self, rooms, filter, time_now, token_id):
|
|
joined = {}
|
|
for room in rooms:
|
|
joined[room.room_id] = self.encode_room(
|
|
room, filter, time_now, token_id, joined=False
|
|
)
|
|
|
|
return joined
|
|
|
|
@staticmethod
|
|
def encode_room(room, filter, time_now, token_id, joined=True):
|
|
event_map = {}
|
|
state_events = filter.filter_room_state(room.state)
|
|
state_event_ids = []
|
|
for event in state_events:
|
|
# TODO(mjark): Respect formatting requirements in the filter.
|
|
event_map[event.event_id] = serialize_event(
|
|
event, time_now, token_id=token_id,
|
|
event_format=format_event_for_client_v2_without_event_id,
|
|
)
|
|
state_event_ids.append(event.event_id)
|
|
|
|
timeline_events = filter.filter_room_timeline(room.timeline.events)
|
|
timeline_event_ids = []
|
|
for event in timeline_events:
|
|
# TODO(mjark): Respect formatting requirements in the filter.
|
|
event_map[event.event_id] = serialize_event(
|
|
event, time_now, token_id=token_id,
|
|
event_format=format_event_for_client_v2_without_event_id,
|
|
)
|
|
timeline_event_ids.append(event.event_id)
|
|
|
|
result = {
|
|
"event_map": event_map,
|
|
"timeline": {
|
|
"events": timeline_event_ids,
|
|
"prev_batch": room.timeline.prev_batch.to_string(),
|
|
"limited": room.timeline.limited,
|
|
},
|
|
"state": {"events": state_event_ids},
|
|
}
|
|
|
|
if joined:
|
|
ephemeral_events = filter.filter_room_ephemeral(room.ephemeral)
|
|
result["ephemeral"] = {"events": ephemeral_events}
|
|
|
|
return result
|
|
|
|
|
|
def register_servlets(hs, http_server):
|
|
SyncRestServlet(hs).register(http_server)
|