88 lines
2.9 KiB
Python
88 lines
2.9 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2014, 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.
|
|
|
|
"""This module contains REST servlets to do with event streaming, /events."""
|
|
from twisted.internet import defer
|
|
|
|
from synapse.api.errors import SynapseError
|
|
from synapse.streams.config import PaginationConfig
|
|
from .base import ClientV1RestServlet, client_path_pattern
|
|
from synapse.events.utils import serialize_event
|
|
|
|
import logging
|
|
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class EventStreamRestServlet(ClientV1RestServlet):
|
|
PATTERN = client_path_pattern("/events$")
|
|
|
|
DEFAULT_LONGPOLL_TIME_MS = 30000
|
|
|
|
@defer.inlineCallbacks
|
|
def on_GET(self, request):
|
|
auth_user, _ = yield self.auth.get_user_by_req(request)
|
|
try:
|
|
handler = self.handlers.event_stream_handler
|
|
pagin_config = PaginationConfig.from_request(request)
|
|
timeout = EventStreamRestServlet.DEFAULT_LONGPOLL_TIME_MS
|
|
if "timeout" in request.args:
|
|
try:
|
|
timeout = int(request.args["timeout"][0])
|
|
except ValueError:
|
|
raise SynapseError(400, "timeout must be in milliseconds.")
|
|
|
|
as_client_event = "raw" not in request.args
|
|
|
|
chunk = yield handler.get_stream(
|
|
auth_user.to_string(), pagin_config, timeout=timeout,
|
|
as_client_event=as_client_event
|
|
)
|
|
except:
|
|
logger.exception("Event stream failed")
|
|
raise
|
|
|
|
defer.returnValue((200, chunk))
|
|
|
|
def on_OPTIONS(self, request):
|
|
return (200, {})
|
|
|
|
|
|
# TODO: Unit test gets, with and without auth, with different kinds of events.
|
|
class EventRestServlet(ClientV1RestServlet):
|
|
PATTERN = client_path_pattern("/events/(?P<event_id>[^/]*)$")
|
|
|
|
def __init__(self, hs):
|
|
super(EventRestServlet, self).__init__(hs)
|
|
self.clock = hs.get_clock()
|
|
|
|
@defer.inlineCallbacks
|
|
def on_GET(self, request, event_id):
|
|
auth_user, _ = yield self.auth.get_user_by_req(request)
|
|
handler = self.handlers.event_handler
|
|
event = yield handler.get_event(auth_user, event_id)
|
|
|
|
time_now = self.clock.time_msec()
|
|
if event:
|
|
defer.returnValue((200, serialize_event(event, time_now)))
|
|
else:
|
|
defer.returnValue((404, "Event not found."))
|
|
|
|
|
|
def register_servlets(hs, http_server):
|
|
EventStreamRestServlet(hs).register(http_server)
|
|
EventRestServlet(hs).register(http_server)
|