2014-08-12 16:10:52 +02:00
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# -*- coding: utf-8 -*-
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2016-01-05 19:01:18 +01:00
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# Copyright 2014 - 2016 OpenMarket Ltd
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2014-08-12 16:10:52 +02:00
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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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2014-08-13 04:14:34 +02:00
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2014-08-12 16:10:52 +02:00
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"""Contains functions for performing events on rooms."""
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from twisted.internet import defer
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2015-01-26 17:11:28 +01:00
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from ._base import BaseHandler
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2016-03-31 14:08:45 +02:00
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from synapse.types import UserID, RoomAlias, RoomID, RoomStreamToken
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2015-07-13 17:48:06 +02:00
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from synapse.api.constants import (
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2016-06-08 16:43:37 +02:00
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EventTypes, JoinRules, RoomCreationPreset, Membership,
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2015-07-13 17:48:06 +02:00
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)
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2016-03-31 14:08:45 +02:00
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from synapse.api.errors import AuthError, StoreError, SynapseError
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2016-04-01 15:06:00 +02:00
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from synapse.util import stringutils
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from synapse.util.async import concurrently_execute
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2016-03-24 19:02:10 +01:00
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from synapse.util.caches.response_cache import ResponseCache
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2016-05-11 14:42:37 +02:00
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from synapse.visibility import filter_events_for_client
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2014-08-12 16:10:52 +02:00
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2015-07-16 16:25:29 +02:00
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from collections import OrderedDict
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2015-10-16 15:54:54 +02:00
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2014-08-12 16:10:52 +02:00
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import logging
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2015-10-28 14:45:56 +01:00
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import math
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2015-05-14 14:11:28 +02:00
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import string
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2014-08-12 16:10:52 +02:00
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logger = logging.getLogger(__name__)
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2016-05-31 19:27:23 +02:00
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REMOTE_ROOM_LIST_POLL_INTERVAL = 60 * 1000
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2015-11-05 17:43:19 +01:00
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id_server_scheme = "https://"
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2014-08-12 16:10:52 +02:00
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2014-09-05 22:35:56 +02:00
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class RoomCreationHandler(BaseHandler):
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2014-08-12 16:10:52 +02:00
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2015-07-13 17:48:06 +02:00
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PRESETS_DICT = {
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2015-07-14 11:20:31 +02:00
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RoomCreationPreset.PRIVATE_CHAT: {
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2015-07-13 17:48:06 +02:00
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"join_rules": JoinRules.INVITE,
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2015-09-09 10:57:49 +02:00
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"history_visibility": "shared",
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2015-07-14 11:37:42 +02:00
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"original_invitees_have_ops": False,
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2015-07-13 17:48:06 +02:00
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},
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2015-10-02 12:22:56 +02:00
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RoomCreationPreset.TRUSTED_PRIVATE_CHAT: {
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"join_rules": JoinRules.INVITE,
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"history_visibility": "shared",
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"original_invitees_have_ops": True,
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},
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2015-07-14 11:20:31 +02:00
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RoomCreationPreset.PUBLIC_CHAT: {
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2015-07-13 17:48:06 +02:00
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"join_rules": JoinRules.PUBLIC,
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"history_visibility": "shared",
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2015-07-14 11:37:42 +02:00
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"original_invitees_have_ops": False,
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2015-07-13 17:48:06 +02:00
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},
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}
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2014-08-12 16:10:52 +02:00
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@defer.inlineCallbacks
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2016-02-15 19:13:10 +01:00
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def create_room(self, requester, config):
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2014-08-12 16:10:52 +02:00
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""" Creates a new room.
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Args:
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2016-02-15 19:13:10 +01:00
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requester (Requester): The user who requested the room creation.
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2014-08-12 16:10:52 +02:00
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config (dict) : A dict of configuration options.
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Returns:
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The new room ID.
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Raises:
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2016-02-15 19:13:10 +01:00
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SynapseError if the room ID couldn't be stored, or something went
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horribly wrong.
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2014-08-12 16:10:52 +02:00
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"""
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2016-02-15 19:13:10 +01:00
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user_id = requester.user.to_string()
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2016-03-03 17:43:42 +01:00
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self.ratelimit(requester)
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2014-08-12 16:10:52 +02:00
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if "room_alias_name" in config:
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2015-05-14 14:11:28 +02:00
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for wchar in string.whitespace:
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if wchar in config["room_alias_name"]:
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raise SynapseError(400, "Invalid characters in room alias")
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2014-12-02 11:42:28 +01:00
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room_alias = RoomAlias.create(
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2014-08-12 16:10:52 +02:00
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config["room_alias_name"],
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2014-12-02 11:42:28 +01:00
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self.hs.hostname,
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2014-08-12 16:10:52 +02:00
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)
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mapping = yield self.store.get_association_from_room_alias(
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room_alias
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)
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if mapping:
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raise SynapseError(400, "Room alias already taken")
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else:
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room_alias = None
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2014-09-06 02:10:07 +02:00
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invite_list = config.get("invite", [])
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for i in invite_list:
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try:
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2015-01-23 12:47:15 +01:00
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UserID.from_string(i)
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2014-09-06 02:10:07 +02:00
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except:
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raise SynapseError(400, "Invalid user_id: %s" % (i,))
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2016-01-05 12:56:21 +01:00
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invite_3pid_list = config.get("invite_3pid", [])
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2016-03-23 14:49:10 +01:00
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visibility = config.get("visibility", None)
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is_public = visibility == "public"
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2014-08-28 11:59:15 +02:00
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2016-02-15 19:13:10 +01:00
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# autogen room IDs and try to create it. We may clash, so just
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# try a few times till one goes through, giving up eventually.
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attempts = 0
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room_id = None
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while attempts < 5:
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try:
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random_string = stringutils.random_string(18)
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gen_room_id = RoomID.create(
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random_string,
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self.hs.hostname,
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)
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yield self.store.store_room(
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room_id=gen_room_id.to_string(),
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room_creator_user_id=user_id,
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is_public=is_public
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)
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room_id = gen_room_id.to_string()
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break
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except StoreError:
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attempts += 1
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if not room_id:
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raise StoreError(500, "Couldn't generate a room ID.")
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2014-08-12 16:10:52 +02:00
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2014-11-18 16:03:01 +01:00
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if room_alias:
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directory_handler = self.hs.get_handlers().directory_handler
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yield directory_handler.create_association(
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user_id=user_id,
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room_id=room_id,
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room_alias=room_alias,
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servers=[self.hs.hostname],
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)
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2015-07-13 17:48:06 +02:00
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preset_config = config.get(
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"preset",
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2016-03-23 14:49:10 +01:00
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RoomCreationPreset.PRIVATE_CHAT
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if visibility == "private"
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else RoomCreationPreset.PUBLIC_CHAT
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2015-07-13 17:48:06 +02:00
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)
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2015-07-16 16:25:29 +02:00
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raw_initial_state = config.get("initial_state", [])
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initial_state = OrderedDict()
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for val in raw_initial_state:
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initial_state[(val["type"], val.get("state_key", ""))] = val["content"]
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2015-09-01 16:09:23 +02:00
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creation_content = config.get("creation_content", {})
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2016-02-16 13:00:50 +01:00
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msg_handler = self.hs.get_handlers().message_handler
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room_member_handler = self.hs.get_handlers().room_member_handler
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yield self._send_events_for_new_room(
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requester,
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room_id,
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msg_handler,
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room_member_handler,
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2015-07-13 17:48:06 +02:00
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preset_config=preset_config,
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invite_list=invite_list,
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2015-07-16 16:25:29 +02:00
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initial_state=initial_state,
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2015-09-01 16:09:23 +02:00
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creation_content=creation_content,
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2015-09-23 11:07:31 +02:00
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room_alias=room_alias,
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2014-08-27 16:11:51 +02:00
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)
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2014-09-02 11:02:14 +02:00
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if "name" in config:
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name = config["name"]
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2016-03-03 17:43:42 +01:00
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yield msg_handler.create_and_send_nonmember_event(
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requester,
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{
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"type": EventTypes.Name,
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"room_id": room_id,
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"sender": user_id,
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"state_key": "",
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"content": {"name": name},
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},
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ratelimit=False)
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2014-09-02 11:02:14 +02:00
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if "topic" in config:
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topic = config["topic"]
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2016-03-03 17:43:42 +01:00
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yield msg_handler.create_and_send_nonmember_event(
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requester,
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{
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"type": EventTypes.Topic,
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"room_id": room_id,
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"sender": user_id,
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"state_key": "",
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"content": {"topic": topic},
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},
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ratelimit=False)
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2014-09-02 11:02:14 +02:00
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2014-09-06 02:10:07 +02:00
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for invitee in invite_list:
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2016-03-04 01:06:03 +01:00
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yield room_member_handler.update_membership(
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2016-02-15 19:21:30 +01:00
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requester,
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UserID.from_string(invitee),
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room_id,
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"invite",
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ratelimit=False,
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)
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2014-11-17 17:37:33 +01:00
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2016-01-05 12:56:21 +01:00
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for invite_3pid in invite_3pid_list:
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id_server = invite_3pid["id_server"]
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address = invite_3pid["address"]
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medium = invite_3pid["medium"]
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yield self.hs.get_handlers().room_member_handler.do_3pid_invite(
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room_id,
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2016-02-16 13:00:50 +01:00
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requester.user,
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2016-01-05 12:56:21 +01:00
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medium,
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address,
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id_server,
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2016-02-15 19:21:30 +01:00
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requester,
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2016-01-05 13:57:45 +01:00
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txn_id=None,
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2016-01-05 12:56:21 +01:00
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)
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2014-08-12 16:10:52 +02:00
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result = {"room_id": room_id}
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2014-11-17 17:37:33 +01:00
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2014-08-12 16:10:52 +02:00
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if room_alias:
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result["room_alias"] = room_alias.to_string()
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2014-11-20 18:26:36 +01:00
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yield directory_handler.send_room_alias_update_event(
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2016-03-03 17:43:42 +01:00
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requester, user_id, room_id
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2014-11-20 18:26:36 +01:00
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)
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2014-08-12 16:10:52 +02:00
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defer.returnValue(result)
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2016-02-16 13:00:50 +01:00
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@defer.inlineCallbacks
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def _send_events_for_new_room(
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self,
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creator, # A Requester object.
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room_id,
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msg_handler,
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room_member_handler,
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preset_config,
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invite_list,
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initial_state,
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creation_content,
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room_alias
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):
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2014-12-08 11:16:18 +01:00
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def create(etype, content, **kwargs):
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2014-12-04 16:50:01 +01:00
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e = {
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"type": etype,
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"content": content,
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}
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e.update(event_keys)
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2014-12-08 11:16:18 +01:00
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e.update(kwargs)
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2014-12-04 16:50:01 +01:00
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return e
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2014-09-01 17:15:34 +02:00
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2016-02-16 13:00:50 +01:00
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@defer.inlineCallbacks
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def send(etype, content, **kwargs):
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event = create(etype, content, **kwargs)
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2016-03-03 17:43:42 +01:00
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yield msg_handler.create_and_send_nonmember_event(
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creator,
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event,
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ratelimit=False
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)
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2016-02-16 13:00:50 +01:00
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config = RoomCreationHandler.PRESETS_DICT[preset_config]
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creator_id = creator.user.to_string()
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event_keys = {
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"room_id": room_id,
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"sender": creator_id,
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"state_key": "",
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}
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creation_content.update({"creator": creator_id})
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yield send(
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2014-12-16 12:29:05 +01:00
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etype=EventTypes.Create,
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2015-09-01 16:09:23 +02:00
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content=creation_content,
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2014-08-28 11:59:15 +02:00
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)
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2016-02-16 13:00:50 +01:00
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yield room_member_handler.update_membership(
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creator,
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creator.user,
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room_id,
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"join",
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ratelimit=False,
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2014-11-18 16:29:48 +01:00
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)
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2015-07-16 16:25:29 +02:00
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if (EventTypes.PowerLevels, '') not in initial_state:
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power_level_content = {
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"users": {
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2016-02-16 13:00:50 +01:00
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creator_id: 100,
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2015-07-16 16:25:29 +02:00
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},
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"users_default": 0,
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"events": {
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2015-08-20 15:35:40 +02:00
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EventTypes.Name: 50,
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2015-07-16 16:25:29 +02:00
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EventTypes.PowerLevels: 100,
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EventTypes.RoomHistoryVisibility: 100,
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2015-08-20 15:35:40 +02:00
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EventTypes.CanonicalAlias: 50,
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EventTypes.RoomAvatar: 50,
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2015-07-16 16:25:29 +02:00
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},
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"events_default": 0,
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"state_default": 50,
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"ban": 50,
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"kick": 50,
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"redact": 50,
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"invite": 0,
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}
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2015-07-13 17:48:06 +02:00
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2015-07-16 16:25:29 +02:00
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if config["original_invitees_have_ops"]:
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for invitee in invite_list:
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|
|
power_level_content["users"][invitee] = 100
|
2015-07-13 17:48:06 +02:00
|
|
|
|
2016-02-16 13:00:50 +01:00
|
|
|
yield send(
|
2015-07-16 16:25:29 +02:00
|
|
|
etype=EventTypes.PowerLevels,
|
|
|
|
content=power_level_content,
|
|
|
|
)
|
2014-08-28 11:59:15 +02:00
|
|
|
|
2015-09-30 17:46:24 +02:00
|
|
|
if room_alias and (EventTypes.CanonicalAlias, '') not in initial_state:
|
2016-02-16 13:00:50 +01:00
|
|
|
yield send(
|
2015-09-30 17:46:24 +02:00
|
|
|
etype=EventTypes.CanonicalAlias,
|
|
|
|
content={"alias": room_alias.to_string()},
|
|
|
|
)
|
2015-09-23 11:07:31 +02:00
|
|
|
|
2015-07-16 16:25:29 +02:00
|
|
|
if (EventTypes.JoinRules, '') not in initial_state:
|
2016-02-16 13:00:50 +01:00
|
|
|
yield send(
|
2015-07-16 16:25:29 +02:00
|
|
|
etype=EventTypes.JoinRules,
|
|
|
|
content={"join_rule": config["join_rules"]},
|
|
|
|
)
|
|
|
|
|
|
|
|
if (EventTypes.RoomHistoryVisibility, '') not in initial_state:
|
2016-02-16 13:00:50 +01:00
|
|
|
yield send(
|
2015-07-16 16:25:29 +02:00
|
|
|
etype=EventTypes.RoomHistoryVisibility,
|
|
|
|
content={"history_visibility": config["history_visibility"]}
|
|
|
|
)
|
|
|
|
|
|
|
|
for (etype, state_key), content in initial_state.items():
|
2016-02-16 13:00:50 +01:00
|
|
|
yield send(
|
2015-07-16 16:25:29 +02:00
|
|
|
etype=etype,
|
|
|
|
state_key=state_key,
|
|
|
|
content=content,
|
2016-02-16 13:00:50 +01:00
|
|
|
)
|
2014-08-28 11:59:15 +02:00
|
|
|
|
2014-08-12 16:10:52 +02:00
|
|
|
|
2014-09-05 22:35:56 +02:00
|
|
|
class RoomListHandler(BaseHandler):
|
2016-03-24 19:02:10 +01:00
|
|
|
def __init__(self, hs):
|
|
|
|
super(RoomListHandler, self).__init__(hs)
|
2016-07-21 11:30:12 +02:00
|
|
|
self.response_cache = ResponseCache(hs)
|
|
|
|
self.remote_list_request_cache = ResponseCache(hs)
|
2016-05-31 19:27:23 +02:00
|
|
|
self.remote_list_cache = {}
|
|
|
|
self.fetch_looping_call = hs.get_clock().looping_call(
|
|
|
|
self.fetch_all_remote_lists, REMOTE_ROOM_LIST_POLL_INTERVAL
|
|
|
|
)
|
|
|
|
self.fetch_all_remote_lists()
|
2014-08-12 16:10:52 +02:00
|
|
|
|
2016-05-31 18:20:07 +02:00
|
|
|
def get_local_public_room_list(self):
|
2016-03-24 19:02:10 +01:00
|
|
|
result = self.response_cache.get(())
|
|
|
|
if not result:
|
|
|
|
result = self.response_cache.set((), self._get_public_room_list())
|
|
|
|
return result
|
|
|
|
|
|
|
|
@defer.inlineCallbacks
|
|
|
|
def _get_public_room_list(self):
|
2016-02-02 16:19:34 +01:00
|
|
|
room_ids = yield self.store.get_public_room_ids()
|
|
|
|
|
2016-04-01 15:06:00 +02:00
|
|
|
results = []
|
|
|
|
|
2016-02-02 16:19:34 +01:00
|
|
|
@defer.inlineCallbacks
|
|
|
|
def handle_room(room_id):
|
2016-06-08 16:43:37 +02:00
|
|
|
current_state = yield self.state_handler.get_current_state(room_id)
|
2016-02-02 16:19:34 +01:00
|
|
|
|
2016-03-23 14:45:57 +01:00
|
|
|
# Double check that this is actually a public room.
|
2016-06-08 16:43:37 +02:00
|
|
|
join_rules_event = current_state.get((EventTypes.JoinRules, ""))
|
2016-03-23 14:45:57 +01:00
|
|
|
if join_rules_event:
|
|
|
|
join_rule = join_rules_event.content.get("join_rule", None)
|
|
|
|
if join_rule and join_rule != JoinRules.PUBLIC:
|
|
|
|
defer.returnValue(None)
|
|
|
|
|
2016-03-23 11:42:19 +01:00
|
|
|
result = {"room_id": room_id}
|
2016-04-12 17:06:18 +02:00
|
|
|
|
2016-06-08 16:43:37 +02:00
|
|
|
num_joined_users = len([
|
|
|
|
1 for _, event in current_state.items()
|
|
|
|
if event.type == EventTypes.Member
|
|
|
|
and event.membership == Membership.JOIN
|
|
|
|
])
|
|
|
|
if num_joined_users == 0:
|
2016-04-12 17:06:18 +02:00
|
|
|
return
|
|
|
|
|
2016-06-08 16:43:37 +02:00
|
|
|
result["num_joined_members"] = num_joined_users
|
2016-04-12 17:06:18 +02:00
|
|
|
|
|
|
|
aliases = yield self.store.get_aliases_for_room(room_id)
|
2016-03-23 11:42:19 +01:00
|
|
|
if aliases:
|
|
|
|
result["aliases"] = aliases
|
2016-02-02 16:19:34 +01:00
|
|
|
|
2016-06-08 16:43:37 +02:00
|
|
|
name_event = yield current_state.get((EventTypes.Name, ""))
|
2016-02-02 16:19:34 +01:00
|
|
|
if name_event:
|
|
|
|
name = name_event.content.get("name", None)
|
|
|
|
if name:
|
|
|
|
result["name"] = name
|
|
|
|
|
2016-06-08 16:43:37 +02:00
|
|
|
topic_event = current_state.get((EventTypes.Topic, ""))
|
2016-02-02 16:19:34 +01:00
|
|
|
if topic_event:
|
|
|
|
topic = topic_event.content.get("topic", None)
|
|
|
|
if topic:
|
|
|
|
result["topic"] = topic
|
|
|
|
|
2016-06-08 16:43:37 +02:00
|
|
|
canonical_event = current_state.get((EventTypes.CanonicalAlias, ""))
|
2016-02-02 16:19:34 +01:00
|
|
|
if canonical_event:
|
|
|
|
canonical_alias = canonical_event.content.get("alias", None)
|
|
|
|
if canonical_alias:
|
|
|
|
result["canonical_alias"] = canonical_alias
|
|
|
|
|
2016-06-08 16:43:37 +02:00
|
|
|
visibility_event = current_state.get((EventTypes.RoomHistoryVisibility, ""))
|
2016-02-02 16:19:34 +01:00
|
|
|
visibility = None
|
|
|
|
if visibility_event:
|
|
|
|
visibility = visibility_event.content.get("history_visibility", None)
|
|
|
|
result["world_readable"] = visibility == "world_readable"
|
|
|
|
|
2016-06-08 16:43:37 +02:00
|
|
|
guest_event = current_state.get((EventTypes.GuestAccess, ""))
|
2016-02-02 16:19:34 +01:00
|
|
|
guest = None
|
|
|
|
if guest_event:
|
|
|
|
guest = guest_event.content.get("guest_access", None)
|
|
|
|
result["guest_can_join"] = guest == "can_join"
|
|
|
|
|
2016-06-08 16:43:37 +02:00
|
|
|
avatar_event = current_state.get(("m.room.avatar", ""))
|
2016-02-02 16:19:34 +01:00
|
|
|
if avatar_event:
|
|
|
|
avatar_url = avatar_event.content.get("url", None)
|
|
|
|
if avatar_url:
|
|
|
|
result["avatar_url"] = avatar_url
|
|
|
|
|
2016-04-01 15:06:00 +02:00
|
|
|
results.append(result)
|
2016-02-02 16:19:34 +01:00
|
|
|
|
2016-04-01 15:06:00 +02:00
|
|
|
yield concurrently_execute(handle_room, room_ids, 10)
|
2015-05-01 14:28:27 +02:00
|
|
|
|
2014-08-19 15:19:48 +02:00
|
|
|
# FIXME (erikj): START is no longer a valid value
|
2016-04-01 15:06:00 +02:00
|
|
|
defer.returnValue({"start": "START", "end": "END", "chunk": results})
|
2014-08-29 18:09:15 +02:00
|
|
|
|
2016-05-31 19:27:23 +02:00
|
|
|
@defer.inlineCallbacks
|
|
|
|
def fetch_all_remote_lists(self):
|
|
|
|
deferred = self.hs.get_replication_layer().get_public_rooms(
|
|
|
|
self.hs.config.secondary_directory_servers
|
|
|
|
)
|
|
|
|
self.remote_list_request_cache.set((), deferred)
|
2016-06-01 18:58:58 +02:00
|
|
|
self.remote_list_cache = yield deferred
|
2016-05-31 19:27:23 +02:00
|
|
|
|
2016-09-08 12:53:05 +02:00
|
|
|
@defer.inlineCallbacks
|
|
|
|
def get_remote_public_room_list(self, server_name):
|
|
|
|
res = yield self.hs.get_replication_layer().get_public_rooms(
|
|
|
|
[server_name]
|
|
|
|
)
|
|
|
|
|
|
|
|
if server_name not in res:
|
|
|
|
raise SynapseError(404, "Server not found")
|
|
|
|
defer.returnValue(res[server_name])
|
|
|
|
|
2016-05-31 18:20:07 +02:00
|
|
|
@defer.inlineCallbacks
|
|
|
|
def get_aggregated_public_room_list(self):
|
|
|
|
"""
|
|
|
|
Get the public room list from this server and the servers
|
|
|
|
specified in the secondary_directory_servers config option.
|
|
|
|
XXX: Pagination...
|
|
|
|
"""
|
2016-05-31 19:27:23 +02:00
|
|
|
# We return the results from out cache which is updated by a looping call,
|
|
|
|
# unless we're missing a cache entry, in which case wait for the result
|
|
|
|
# of the fetch if there's one in progress. If not, omit that server.
|
|
|
|
wait = False
|
|
|
|
for s in self.hs.config.secondary_directory_servers:
|
|
|
|
if s not in self.remote_list_cache:
|
|
|
|
logger.warn("No cached room list from %s: waiting for fetch", s)
|
|
|
|
wait = True
|
|
|
|
break
|
|
|
|
|
|
|
|
if wait and self.remote_list_request_cache.get(()):
|
|
|
|
yield self.remote_list_request_cache.get(())
|
|
|
|
|
2016-05-31 18:20:07 +02:00
|
|
|
public_rooms = yield self.get_local_public_room_list()
|
|
|
|
|
|
|
|
# keep track of which room IDs we've seen so we can de-dup
|
|
|
|
room_ids = set()
|
|
|
|
|
|
|
|
# tag all the ones in our list with our server name.
|
|
|
|
# Also add the them to the de-deping set
|
|
|
|
for room in public_rooms['chunk']:
|
|
|
|
room["server_name"] = self.hs.hostname
|
|
|
|
room_ids.add(room["room_id"])
|
|
|
|
|
|
|
|
# Now add the results from federation
|
2016-05-31 19:27:23 +02:00
|
|
|
for server_name, server_result in self.remote_list_cache.items():
|
2016-05-31 18:20:07 +02:00
|
|
|
for room in server_result["chunk"]:
|
|
|
|
if room["room_id"] not in room_ids:
|
|
|
|
room["server_name"] = server_name
|
|
|
|
public_rooms["chunk"].append(room)
|
|
|
|
room_ids.add(room["room_id"])
|
|
|
|
|
|
|
|
defer.returnValue(public_rooms)
|
|
|
|
|
2014-08-29 18:09:15 +02:00
|
|
|
|
2015-10-28 14:45:56 +01:00
|
|
|
class RoomContextHandler(BaseHandler):
|
|
|
|
@defer.inlineCallbacks
|
2015-11-11 18:49:44 +01:00
|
|
|
def get_event_context(self, user, room_id, event_id, limit, is_guest):
|
2015-10-28 15:05:50 +01:00
|
|
|
"""Retrieves events, pagination tokens and state around a given event
|
|
|
|
in a room.
|
|
|
|
|
|
|
|
Args:
|
|
|
|
user (UserID)
|
|
|
|
room_id (str)
|
|
|
|
event_id (str)
|
|
|
|
limit (int): The maximum number of events to return in total
|
|
|
|
(excluding state).
|
|
|
|
|
|
|
|
Returns:
|
2016-01-13 15:19:22 +01:00
|
|
|
dict, or None if the event isn't found
|
2015-10-28 15:05:50 +01:00
|
|
|
"""
|
2016-02-02 18:18:50 +01:00
|
|
|
before_limit = math.floor(limit / 2.)
|
2015-10-28 14:45:56 +01:00
|
|
|
after_limit = limit - before_limit
|
|
|
|
|
|
|
|
now_token = yield self.hs.get_event_sources().get_current_token()
|
|
|
|
|
2016-01-13 15:19:22 +01:00
|
|
|
def filter_evts(events):
|
2016-05-11 14:42:37 +02:00
|
|
|
return filter_events_for_client(
|
|
|
|
self.store,
|
2016-01-13 15:19:22 +01:00
|
|
|
user.to_string(),
|
|
|
|
events,
|
2016-05-11 14:42:37 +02:00
|
|
|
is_peeking=is_guest
|
|
|
|
)
|
2016-01-13 15:19:22 +01:00
|
|
|
|
|
|
|
event = yield self.store.get_event(event_id, get_prev_content=True,
|
|
|
|
allow_none=True)
|
|
|
|
if not event:
|
|
|
|
defer.returnValue(None)
|
|
|
|
return
|
|
|
|
|
|
|
|
filtered = yield(filter_evts([event]))
|
|
|
|
if not filtered:
|
|
|
|
raise AuthError(
|
|
|
|
403,
|
|
|
|
"You don't have permission to access that event."
|
|
|
|
)
|
|
|
|
|
2015-10-28 14:45:56 +01:00
|
|
|
results = yield self.store.get_events_around(
|
|
|
|
room_id, event_id, before_limit, after_limit
|
|
|
|
)
|
|
|
|
|
2016-01-13 15:19:22 +01:00
|
|
|
results["events_before"] = yield filter_evts(results["events_before"])
|
|
|
|
results["events_after"] = yield filter_evts(results["events_after"])
|
|
|
|
results["event"] = event
|
2015-10-28 14:45:56 +01:00
|
|
|
|
|
|
|
if results["events_after"]:
|
|
|
|
last_event_id = results["events_after"][-1].event_id
|
|
|
|
else:
|
|
|
|
last_event_id = event_id
|
|
|
|
|
|
|
|
state = yield self.store.get_state_for_events(
|
|
|
|
[last_event_id], None
|
|
|
|
)
|
|
|
|
results["state"] = state[last_event_id].values()
|
|
|
|
|
|
|
|
results["start"] = now_token.copy_and_replace(
|
|
|
|
"room_key", results["start"]
|
|
|
|
).to_string()
|
|
|
|
|
|
|
|
results["end"] = now_token.copy_and_replace(
|
|
|
|
"room_key", results["end"]
|
|
|
|
).to_string()
|
|
|
|
|
|
|
|
defer.returnValue(results)
|
|
|
|
|
|
|
|
|
2014-08-29 18:09:15 +02:00
|
|
|
class RoomEventSource(object):
|
|
|
|
def __init__(self, hs):
|
|
|
|
self.store = hs.get_datastore()
|
|
|
|
|
|
|
|
@defer.inlineCallbacks
|
2015-11-05 15:32:26 +01:00
|
|
|
def get_new_events(
|
|
|
|
self,
|
|
|
|
user,
|
|
|
|
from_key,
|
|
|
|
limit,
|
|
|
|
room_ids,
|
|
|
|
is_guest,
|
|
|
|
):
|
2014-08-29 18:09:15 +02:00
|
|
|
# We just ignore the key for now.
|
|
|
|
|
2014-08-29 20:15:23 +02:00
|
|
|
to_key = yield self.get_current_key()
|
2014-08-29 18:09:15 +02:00
|
|
|
|
2016-02-02 15:11:14 +01:00
|
|
|
from_token = RoomStreamToken.parse(from_key)
|
|
|
|
if from_token.topological:
|
|
|
|
logger.warn("Stream has topological part!!!! %r", from_key)
|
|
|
|
from_key = "s%s" % (from_token.stream,)
|
|
|
|
|
2015-02-26 17:23:01 +01:00
|
|
|
app_service = yield self.store.get_app_service_by_user_id(
|
|
|
|
user.to_string()
|
|
|
|
)
|
2015-02-25 16:00:59 +01:00
|
|
|
if app_service:
|
|
|
|
events, end_key = yield self.store.get_appservice_room_stream(
|
|
|
|
service=app_service,
|
|
|
|
from_key=from_key,
|
|
|
|
to_key=to_key,
|
|
|
|
limit=limit,
|
|
|
|
)
|
|
|
|
else:
|
2016-02-02 17:12:10 +01:00
|
|
|
room_events = yield self.store.get_membership_changes_for_user(
|
2016-02-01 17:26:51 +01:00
|
|
|
user.to_string(), from_key, to_key
|
|
|
|
)
|
|
|
|
|
|
|
|
room_to_events = yield self.store.get_room_events_stream_for_rooms(
|
|
|
|
room_ids=room_ids,
|
2015-02-25 16:00:59 +01:00
|
|
|
from_key=from_key,
|
|
|
|
to_key=to_key,
|
2016-02-01 17:26:51 +01:00
|
|
|
limit=limit or 10,
|
2016-02-11 11:07:27 +01:00
|
|
|
order='ASC',
|
2015-02-25 16:00:59 +01:00
|
|
|
)
|
2014-08-29 18:09:15 +02:00
|
|
|
|
2016-02-01 17:26:51 +01:00
|
|
|
events = list(room_events)
|
|
|
|
events.extend(e for evs, _ in room_to_events.values() for e in evs)
|
|
|
|
|
2016-02-01 17:32:46 +01:00
|
|
|
events.sort(key=lambda e: e.internal_metadata.order)
|
2016-02-01 17:26:51 +01:00
|
|
|
|
|
|
|
if limit:
|
|
|
|
events[:] = events[:limit]
|
|
|
|
|
|
|
|
if events:
|
|
|
|
end_key = events[-1].internal_metadata.after
|
|
|
|
else:
|
|
|
|
end_key = to_key
|
|
|
|
|
2014-08-29 20:13:55 +02:00
|
|
|
defer.returnValue((events, end_key))
|
2014-08-29 18:09:15 +02:00
|
|
|
|
2015-05-12 11:28:10 +02:00
|
|
|
def get_current_key(self, direction='f'):
|
|
|
|
return self.store.get_room_events_max_id(direction)
|
2014-08-29 18:09:15 +02:00
|
|
|
|
|
|
|
@defer.inlineCallbacks
|
2014-10-29 16:57:23 +01:00
|
|
|
def get_pagination_rows(self, user, config, key):
|
2014-08-29 18:09:15 +02:00
|
|
|
events, next_key = yield self.store.paginate_room_events(
|
|
|
|
room_id=key,
|
2014-10-29 16:57:23 +01:00
|
|
|
from_key=config.from_key,
|
|
|
|
to_key=config.to_key,
|
|
|
|
direction=config.direction,
|
|
|
|
limit=config.limit,
|
2014-08-29 18:09:15 +02:00
|
|
|
)
|
|
|
|
|
2014-10-29 16:57:23 +01:00
|
|
|
defer.returnValue((events, next_key))
|