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105 lines
3.6 KiB
Python
105 lines
3.6 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright 2014-2016 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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"""This module contains REST servlets to do with event streaming, /events."""
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import logging
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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.http.servlet import RestServlet
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from synapse.rest.client.v2_alpha._base import client_patterns
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from synapse.streams.config import PaginationConfig
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logger = logging.getLogger(__name__)
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class EventStreamRestServlet(RestServlet):
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PATTERNS = client_patterns("/events$", v1=True)
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DEFAULT_LONGPOLL_TIME_MS = 30000
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def __init__(self, hs):
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super(EventStreamRestServlet, self).__init__()
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self.event_stream_handler = hs.get_event_stream_handler()
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self.auth = hs.get_auth()
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@defer.inlineCallbacks
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def on_GET(self, request):
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requester = yield self.auth.get_user_by_req(
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request,
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allow_guest=True,
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)
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is_guest = requester.is_guest
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room_id = None
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if is_guest:
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if b"room_id" not in request.args:
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raise SynapseError(400, "Guest users must specify room_id param")
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if b"room_id" in request.args:
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room_id = request.args[b"room_id"][0].decode('ascii')
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pagin_config = PaginationConfig.from_request(request)
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timeout = EventStreamRestServlet.DEFAULT_LONGPOLL_TIME_MS
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if b"timeout" in request.args:
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try:
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timeout = int(request.args[b"timeout"][0])
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except ValueError:
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raise SynapseError(400, "timeout must be in milliseconds.")
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as_client_event = b"raw" not in request.args
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chunk = yield self.event_stream_handler.get_stream(
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requester.user.to_string(),
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pagin_config,
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timeout=timeout,
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as_client_event=as_client_event,
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affect_presence=(not is_guest),
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room_id=room_id,
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is_guest=is_guest,
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)
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defer.returnValue((200, chunk))
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def on_OPTIONS(self, request):
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return (200, {})
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# TODO: Unit test gets, with and without auth, with different kinds of events.
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class EventRestServlet(RestServlet):
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PATTERNS = client_patterns("/events/(?P<event_id>[^/]*)$", v1=True)
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def __init__(self, hs):
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super(EventRestServlet, self).__init__()
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self.clock = hs.get_clock()
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self.event_handler = hs.get_event_handler()
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self._event_serializer = hs.get_event_client_serializer()
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@defer.inlineCallbacks
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def on_GET(self, request, event_id):
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requester = yield self.auth.get_user_by_req(request)
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event = yield self.event_handler.get_event(requester.user, None, event_id)
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time_now = self.clock.time_msec()
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if event:
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event = yield self._event_serializer.serialize_event(event, time_now)
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defer.returnValue((200, event))
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else:
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defer.returnValue((404, "Event not found."))
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def register_servlets(hs, http_server):
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EventStreamRestServlet(hs).register(http_server)
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EventRestServlet(hs).register(http_server)
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