1147 lines
39 KiB
Python
1147 lines
39 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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"""Contains functions for performing events on rooms."""
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from twisted.internet import defer
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from ._base import BaseHandler
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from synapse.types import UserID, RoomAlias, RoomID, RoomStreamToken, Requester
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from synapse.api.constants import (
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EventTypes, Membership, JoinRules, RoomCreationPreset,
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)
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from synapse.api.errors import AuthError, StoreError, SynapseError, Codes
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from synapse.util import stringutils, unwrapFirstError
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from synapse.util.logcontext import preserve_context_over_fn
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from signedjson.sign import verify_signed_json
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from signedjson.key import decode_verify_key_bytes
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from collections import OrderedDict
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from unpaddedbase64 import decode_base64
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import logging
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import math
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import string
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logger = logging.getLogger(__name__)
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id_server_scheme = "https://"
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def user_left_room(distributor, user, room_id):
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return preserve_context_over_fn(
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distributor.fire,
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"user_left_room", user=user, room_id=room_id
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)
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def user_joined_room(distributor, user, room_id):
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return preserve_context_over_fn(
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distributor.fire,
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"user_joined_room", user=user, room_id=room_id
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)
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class RoomCreationHandler(BaseHandler):
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PRESETS_DICT = {
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RoomCreationPreset.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": False,
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},
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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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RoomCreationPreset.PUBLIC_CHAT: {
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"join_rules": JoinRules.PUBLIC,
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"history_visibility": "shared",
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"original_invitees_have_ops": False,
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},
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}
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@defer.inlineCallbacks
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def create_room(self, requester, config):
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""" Creates a new room.
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Args:
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requester (Requester): The user who requested the room creation.
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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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SynapseError if the room ID couldn't be stored, or something went
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horribly wrong.
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"""
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user_id = requester.user.to_string()
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self.ratelimit(requester)
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if "room_alias_name" in config:
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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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room_alias = RoomAlias.create(
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config["room_alias_name"],
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self.hs.hostname,
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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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invite_list = config.get("invite", [])
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for i in invite_list:
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try:
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UserID.from_string(i)
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except:
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raise SynapseError(400, "Invalid user_id: %s" % (i,))
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invite_3pid_list = config.get("invite_3pid", [])
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is_public = config.get("visibility", None) == "public"
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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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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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preset_config = config.get(
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"preset",
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RoomCreationPreset.PUBLIC_CHAT
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if is_public
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else RoomCreationPreset.PRIVATE_CHAT
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)
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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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creation_content = config.get("creation_content", {})
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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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preset_config=preset_config,
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invite_list=invite_list,
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initial_state=initial_state,
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creation_content=creation_content,
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room_alias=room_alias,
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)
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if "name" in config:
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name = config["name"]
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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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if "topic" in config:
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topic = config["topic"]
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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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for invitee in invite_list:
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yield room_member_handler.update_membership(
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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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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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requester.user,
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medium,
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address,
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id_server,
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requester,
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txn_id=None,
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)
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result = {"room_id": room_id}
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if room_alias:
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result["room_alias"] = room_alias.to_string()
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yield directory_handler.send_room_alias_update_event(
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requester, user_id, room_id
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)
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defer.returnValue(result)
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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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def create(etype, content, **kwargs):
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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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e.update(kwargs)
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return e
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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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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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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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etype=EventTypes.Create,
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content=creation_content,
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)
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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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)
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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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creator_id: 100,
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},
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"users_default": 0,
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"events": {
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EventTypes.Name: 50,
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EventTypes.PowerLevels: 100,
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EventTypes.RoomHistoryVisibility: 100,
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EventTypes.CanonicalAlias: 50,
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EventTypes.RoomAvatar: 50,
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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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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
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yield send(
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etype=EventTypes.PowerLevels,
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content=power_level_content,
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)
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if room_alias and (EventTypes.CanonicalAlias, '') not in initial_state:
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yield send(
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etype=EventTypes.CanonicalAlias,
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content={"alias": room_alias.to_string()},
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)
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if (EventTypes.JoinRules, '') not in initial_state:
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yield send(
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etype=EventTypes.JoinRules,
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content={"join_rule": config["join_rules"]},
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)
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if (EventTypes.RoomHistoryVisibility, '') not in initial_state:
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yield send(
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etype=EventTypes.RoomHistoryVisibility,
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content={"history_visibility": config["history_visibility"]}
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)
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for (etype, state_key), content in initial_state.items():
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yield send(
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etype=etype,
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state_key=state_key,
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content=content,
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)
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class RoomMemberHandler(BaseHandler):
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# TODO(paul): This handler currently contains a messy conflation of
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# low-level API that works on UserID objects and so on, and REST-level
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# API that takes ID strings and returns pagination chunks. These concerns
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# ought to be separated out a lot better.
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def __init__(self, hs):
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super(RoomMemberHandler, self).__init__(hs)
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self.clock = hs.get_clock()
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self.distributor = hs.get_distributor()
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self.distributor.declare("user_joined_room")
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self.distributor.declare("user_left_room")
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@defer.inlineCallbacks
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def get_room_members(self, room_id):
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users = yield self.store.get_users_in_room(room_id)
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defer.returnValue([UserID.from_string(u) for u in users])
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@defer.inlineCallbacks
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def fetch_room_distributions_into(self, room_id, localusers=None,
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remotedomains=None, ignore_user=None):
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"""Fetch the distribution of a room, adding elements to either
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'localusers' or 'remotedomains', which should be a set() if supplied.
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If ignore_user is set, ignore that user.
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This function returns nothing; its result is performed by the
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side-effect on the two passed sets. This allows easy accumulation of
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member lists of multiple rooms at once if required.
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"""
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members = yield self.get_room_members(room_id)
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for member in members:
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if ignore_user is not None and member == ignore_user:
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continue
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if self.hs.is_mine(member):
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if localusers is not None:
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localusers.add(member)
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else:
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if remotedomains is not None:
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remotedomains.add(member.domain)
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@defer.inlineCallbacks
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def update_membership(
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self,
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requester,
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target,
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room_id,
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action,
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txn_id=None,
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remote_room_hosts=None,
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third_party_signed=None,
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ratelimit=True,
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):
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effective_membership_state = action
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if action in ["kick", "unban"]:
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effective_membership_state = "leave"
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elif action == "forget":
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effective_membership_state = "leave"
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if third_party_signed is not None:
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replication = self.hs.get_replication_layer()
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yield replication.exchange_third_party_invite(
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third_party_signed["sender"],
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target.to_string(),
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room_id,
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third_party_signed,
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)
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msg_handler = self.hs.get_handlers().message_handler
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content = {"membership": effective_membership_state}
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if requester.is_guest:
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content["kind"] = "guest"
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event, context = yield msg_handler.create_event(
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{
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"type": EventTypes.Member,
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"content": content,
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"room_id": room_id,
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"sender": requester.user.to_string(),
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"state_key": target.to_string(),
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# For backwards compatibility:
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"membership": effective_membership_state,
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},
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token_id=requester.access_token_id,
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txn_id=txn_id,
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)
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old_state = context.current_state.get((EventTypes.Member, event.state_key))
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old_membership = old_state.content.get("membership") if old_state else None
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if action == "unban" and old_membership != "ban":
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raise SynapseError(
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403,
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"Cannot unban user who was not banned (membership=%s)" % old_membership,
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errcode=Codes.BAD_STATE
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)
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if old_membership == "ban" and action != "unban":
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raise SynapseError(
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403,
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"Cannot %s user who was is banned" % (action,),
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errcode=Codes.BAD_STATE
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)
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member_handler = self.hs.get_handlers().room_member_handler
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yield member_handler.send_membership_event(
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requester,
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event,
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context,
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ratelimit=ratelimit,
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remote_room_hosts=remote_room_hosts,
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)
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if action == "forget":
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yield self.forget(requester.user, room_id)
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@defer.inlineCallbacks
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def send_membership_event(
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self,
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requester,
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event,
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context,
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remote_room_hosts=None,
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ratelimit=True,
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):
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"""
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Change the membership status of a user in a room.
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Args:
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requester (Requester): The local user who requested the membership
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event. If None, certain checks, like whether this homeserver can
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act as the sender, will be skipped.
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event (SynapseEvent): The membership event.
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context: The context of the event.
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is_guest (bool): Whether the sender is a guest.
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room_hosts ([str]): Homeservers which are likely to already be in
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the room, and could be danced with in order to join this
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homeserver for the first time.
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ratelimit (bool): Whether to rate limit this request.
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Raises:
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SynapseError if there was a problem changing the membership.
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"""
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remote_room_hosts = remote_room_hosts or []
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target_user = UserID.from_string(event.state_key)
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room_id = event.room_id
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if requester is not None:
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sender = UserID.from_string(event.sender)
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assert sender == requester.user, (
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"Sender (%s) must be same as requester (%s)" %
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(sender, requester.user)
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)
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assert self.hs.is_mine(sender), "Sender must be our own: %s" % (sender,)
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else:
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requester = Requester(target_user, None, False)
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message_handler = self.hs.get_handlers().message_handler
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prev_event = message_handler.deduplicate_state_event(event, context)
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if prev_event is not None:
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return
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action = "send"
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if event.membership == Membership.JOIN:
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if requester.is_guest and not self._can_guest_join(context.current_state):
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# This should be an auth check, but guests are a local concept,
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# so don't really fit into the general auth process.
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raise AuthError(403, "Guest access not allowed")
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do_remote_join_dance, remote_room_hosts = self._should_do_dance(
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context,
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(self.get_inviter(event.state_key, context.current_state)),
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remote_room_hosts,
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)
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if do_remote_join_dance:
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action = "remote_join"
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elif event.membership == Membership.LEAVE:
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is_host_in_room = self.is_host_in_room(context.current_state)
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|
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if not is_host_in_room:
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# perhaps we've been invited
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inviter = self.get_inviter(target_user.to_string(), context.current_state)
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if not inviter:
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raise SynapseError(404, "Not a known room")
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if self.hs.is_mine(inviter):
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# the inviter was on our server, but has now left. Carry on
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# with the normal rejection codepath.
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#
|
|
# This is a bit of a hack, because the room might still be
|
|
# active on other servers.
|
|
pass
|
|
else:
|
|
# send the rejection to the inviter's HS.
|
|
remote_room_hosts = remote_room_hosts + [inviter.domain]
|
|
action = "remote_reject"
|
|
|
|
federation_handler = self.hs.get_handlers().federation_handler
|
|
|
|
if action == "remote_join":
|
|
if len(remote_room_hosts) == 0:
|
|
raise SynapseError(404, "No known servers")
|
|
|
|
# We don't do an auth check if we are doing an invite
|
|
# join dance for now, since we're kinda implicitly checking
|
|
# that we are allowed to join when we decide whether or not we
|
|
# need to do the invite/join dance.
|
|
yield federation_handler.do_invite_join(
|
|
remote_room_hosts,
|
|
event.room_id,
|
|
event.user_id,
|
|
event.content,
|
|
)
|
|
elif action == "remote_reject":
|
|
yield federation_handler.do_remotely_reject_invite(
|
|
remote_room_hosts,
|
|
room_id,
|
|
event.user_id
|
|
)
|
|
else:
|
|
yield self.handle_new_client_event(
|
|
requester,
|
|
event,
|
|
context,
|
|
extra_users=[target_user],
|
|
ratelimit=ratelimit,
|
|
)
|
|
|
|
prev_member_event = context.current_state.get(
|
|
(EventTypes.Member, target_user.to_string()),
|
|
None
|
|
)
|
|
|
|
if event.membership == Membership.JOIN:
|
|
if not prev_member_event or prev_member_event.membership != Membership.JOIN:
|
|
# Only fire user_joined_room if the user has acutally joined the
|
|
# room. Don't bother if the user is just changing their profile
|
|
# info.
|
|
yield user_joined_room(self.distributor, target_user, room_id)
|
|
elif event.membership == Membership.LEAVE:
|
|
if prev_member_event and prev_member_event.membership == Membership.JOIN:
|
|
user_left_room(self.distributor, target_user, room_id)
|
|
|
|
def _can_guest_join(self, current_state):
|
|
"""
|
|
Returns whether a guest can join a room based on its current state.
|
|
"""
|
|
guest_access = current_state.get((EventTypes.GuestAccess, ""), None)
|
|
return (
|
|
guest_access
|
|
and guest_access.content
|
|
and "guest_access" in guest_access.content
|
|
and guest_access.content["guest_access"] == "can_join"
|
|
)
|
|
|
|
def _should_do_dance(self, context, inviter, room_hosts=None):
|
|
# TODO: Shouldn't this be remote_room_host?
|
|
room_hosts = room_hosts or []
|
|
|
|
is_host_in_room = self.is_host_in_room(context.current_state)
|
|
if is_host_in_room:
|
|
return False, room_hosts
|
|
|
|
if inviter and not self.hs.is_mine(inviter):
|
|
room_hosts.append(inviter.domain)
|
|
|
|
return True, room_hosts
|
|
|
|
@defer.inlineCallbacks
|
|
def lookup_room_alias(self, room_alias):
|
|
"""
|
|
Get the room ID associated with a room alias.
|
|
|
|
Args:
|
|
room_alias (RoomAlias): The alias to look up.
|
|
Returns:
|
|
A tuple of:
|
|
The room ID as a RoomID object.
|
|
Hosts likely to be participating in the room ([str]).
|
|
Raises:
|
|
SynapseError if room alias could not be found.
|
|
"""
|
|
directory_handler = self.hs.get_handlers().directory_handler
|
|
mapping = yield directory_handler.get_association(room_alias)
|
|
|
|
if not mapping:
|
|
raise SynapseError(404, "No such room alias")
|
|
|
|
room_id = mapping["room_id"]
|
|
servers = mapping["servers"]
|
|
|
|
defer.returnValue((RoomID.from_string(room_id), servers))
|
|
|
|
def get_inviter(self, user_id, current_state):
|
|
prev_state = current_state.get((EventTypes.Member, user_id))
|
|
if prev_state and prev_state.membership == Membership.INVITE:
|
|
return UserID.from_string(prev_state.user_id)
|
|
return None
|
|
|
|
@defer.inlineCallbacks
|
|
def get_joined_rooms_for_user(self, user):
|
|
"""Returns a list of roomids that the user has any of the given
|
|
membership states in."""
|
|
|
|
rooms = yield self.store.get_rooms_for_user(
|
|
user.to_string(),
|
|
)
|
|
|
|
# For some reason the list of events contains duplicates
|
|
# TODO(paul): work out why because I really don't think it should
|
|
room_ids = set(r.room_id for r in rooms)
|
|
|
|
defer.returnValue(room_ids)
|
|
|
|
@defer.inlineCallbacks
|
|
def do_3pid_invite(
|
|
self,
|
|
room_id,
|
|
inviter,
|
|
medium,
|
|
address,
|
|
id_server,
|
|
requester,
|
|
txn_id
|
|
):
|
|
invitee = yield self._lookup_3pid(
|
|
id_server, medium, address
|
|
)
|
|
|
|
if invitee:
|
|
handler = self.hs.get_handlers().room_member_handler
|
|
yield handler.update_membership(
|
|
requester,
|
|
UserID.from_string(invitee),
|
|
room_id,
|
|
"invite",
|
|
txn_id=txn_id,
|
|
)
|
|
else:
|
|
yield self._make_and_store_3pid_invite(
|
|
requester,
|
|
id_server,
|
|
medium,
|
|
address,
|
|
room_id,
|
|
inviter,
|
|
txn_id=txn_id
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
def _lookup_3pid(self, id_server, medium, address):
|
|
"""Looks up a 3pid in the passed identity server.
|
|
|
|
Args:
|
|
id_server (str): The server name (including port, if required)
|
|
of the identity server to use.
|
|
medium (str): The type of the third party identifier (e.g. "email").
|
|
address (str): The third party identifier (e.g. "foo@example.com").
|
|
|
|
Returns:
|
|
(str) the matrix ID of the 3pid, or None if it is not recognized.
|
|
"""
|
|
try:
|
|
data = yield self.hs.get_simple_http_client().get_json(
|
|
"%s%s/_matrix/identity/api/v1/lookup" % (id_server_scheme, id_server,),
|
|
{
|
|
"medium": medium,
|
|
"address": address,
|
|
}
|
|
)
|
|
|
|
if "mxid" in data:
|
|
if "signatures" not in data:
|
|
raise AuthError(401, "No signatures on 3pid binding")
|
|
self.verify_any_signature(data, id_server)
|
|
defer.returnValue(data["mxid"])
|
|
|
|
except IOError as e:
|
|
logger.warn("Error from identity server lookup: %s" % (e,))
|
|
defer.returnValue(None)
|
|
|
|
@defer.inlineCallbacks
|
|
def verify_any_signature(self, data, server_hostname):
|
|
if server_hostname not in data["signatures"]:
|
|
raise AuthError(401, "No signature from server %s" % (server_hostname,))
|
|
for key_name, signature in data["signatures"][server_hostname].items():
|
|
key_data = yield self.hs.get_simple_http_client().get_json(
|
|
"%s%s/_matrix/identity/api/v1/pubkey/%s" %
|
|
(id_server_scheme, server_hostname, key_name,),
|
|
)
|
|
if "public_key" not in key_data:
|
|
raise AuthError(401, "No public key named %s from %s" %
|
|
(key_name, server_hostname,))
|
|
verify_signed_json(
|
|
data,
|
|
server_hostname,
|
|
decode_verify_key_bytes(key_name, decode_base64(key_data["public_key"]))
|
|
)
|
|
return
|
|
|
|
@defer.inlineCallbacks
|
|
def _make_and_store_3pid_invite(
|
|
self,
|
|
requester,
|
|
id_server,
|
|
medium,
|
|
address,
|
|
room_id,
|
|
user,
|
|
txn_id
|
|
):
|
|
room_state = yield self.hs.get_state_handler().get_current_state(room_id)
|
|
|
|
inviter_display_name = ""
|
|
inviter_avatar_url = ""
|
|
member_event = room_state.get((EventTypes.Member, user.to_string()))
|
|
if member_event:
|
|
inviter_display_name = member_event.content.get("displayname", "")
|
|
inviter_avatar_url = member_event.content.get("avatar_url", "")
|
|
|
|
canonical_room_alias = ""
|
|
canonical_alias_event = room_state.get((EventTypes.CanonicalAlias, ""))
|
|
if canonical_alias_event:
|
|
canonical_room_alias = canonical_alias_event.content.get("alias", "")
|
|
|
|
room_name = ""
|
|
room_name_event = room_state.get((EventTypes.Name, ""))
|
|
if room_name_event:
|
|
room_name = room_name_event.content.get("name", "")
|
|
|
|
room_join_rules = ""
|
|
join_rules_event = room_state.get((EventTypes.JoinRules, ""))
|
|
if join_rules_event:
|
|
room_join_rules = join_rules_event.content.get("join_rule", "")
|
|
|
|
room_avatar_url = ""
|
|
room_avatar_event = room_state.get((EventTypes.RoomAvatar, ""))
|
|
if room_avatar_event:
|
|
room_avatar_url = room_avatar_event.content.get("url", "")
|
|
|
|
token, public_keys, fallback_public_key, display_name = (
|
|
yield self._ask_id_server_for_third_party_invite(
|
|
id_server=id_server,
|
|
medium=medium,
|
|
address=address,
|
|
room_id=room_id,
|
|
inviter_user_id=user.to_string(),
|
|
room_alias=canonical_room_alias,
|
|
room_avatar_url=room_avatar_url,
|
|
room_join_rules=room_join_rules,
|
|
room_name=room_name,
|
|
inviter_display_name=inviter_display_name,
|
|
inviter_avatar_url=inviter_avatar_url
|
|
)
|
|
)
|
|
|
|
msg_handler = self.hs.get_handlers().message_handler
|
|
yield msg_handler.create_and_send_nonmember_event(
|
|
requester,
|
|
{
|
|
"type": EventTypes.ThirdPartyInvite,
|
|
"content": {
|
|
"display_name": display_name,
|
|
"public_keys": public_keys,
|
|
|
|
# For backwards compatibility:
|
|
"key_validity_url": fallback_public_key["key_validity_url"],
|
|
"public_key": fallback_public_key["public_key"],
|
|
},
|
|
"room_id": room_id,
|
|
"sender": user.to_string(),
|
|
"state_key": token,
|
|
},
|
|
txn_id=txn_id,
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
def _ask_id_server_for_third_party_invite(
|
|
self,
|
|
id_server,
|
|
medium,
|
|
address,
|
|
room_id,
|
|
inviter_user_id,
|
|
room_alias,
|
|
room_avatar_url,
|
|
room_join_rules,
|
|
room_name,
|
|
inviter_display_name,
|
|
inviter_avatar_url
|
|
):
|
|
"""
|
|
Asks an identity server for a third party invite.
|
|
|
|
:param id_server (str): hostname + optional port for the identity server.
|
|
:param medium (str): The literal string "email".
|
|
:param address (str): The third party address being invited.
|
|
:param room_id (str): The ID of the room to which the user is invited.
|
|
:param inviter_user_id (str): The user ID of the inviter.
|
|
:param room_alias (str): An alias for the room, for cosmetic
|
|
notifications.
|
|
:param room_avatar_url (str): The URL of the room's avatar, for cosmetic
|
|
notifications.
|
|
:param room_join_rules (str): The join rules of the email
|
|
(e.g. "public").
|
|
:param room_name (str): The m.room.name of the room.
|
|
:param inviter_display_name (str): The current display name of the
|
|
inviter.
|
|
:param inviter_avatar_url (str): The URL of the inviter's avatar.
|
|
|
|
:return: A deferred tuple containing:
|
|
token (str): The token which must be signed to prove authenticity.
|
|
public_keys ([{"public_key": str, "key_validity_url": str}]):
|
|
public_key is a base64-encoded ed25519 public key.
|
|
fallback_public_key: One element from public_keys.
|
|
display_name (str): A user-friendly name to represent the invited
|
|
user.
|
|
"""
|
|
|
|
registration_handler = self.hs.get_handlers().registration_handler
|
|
guest_access_token = yield registration_handler.guest_access_token_for(
|
|
medium=medium,
|
|
address=address,
|
|
inviter_user_id=inviter_user_id,
|
|
)
|
|
|
|
guest_user_info = yield self.hs.get_auth().get_user_by_access_token(
|
|
guest_access_token
|
|
)
|
|
|
|
is_url = "%s%s/_matrix/identity/api/v1/store-invite" % (
|
|
id_server_scheme, id_server,
|
|
)
|
|
data = yield self.hs.get_simple_http_client().post_urlencoded_get_json(
|
|
is_url,
|
|
{
|
|
"medium": medium,
|
|
"address": address,
|
|
"room_id": room_id,
|
|
"room_alias": room_alias,
|
|
"room_avatar_url": room_avatar_url,
|
|
"room_join_rules": room_join_rules,
|
|
"room_name": room_name,
|
|
"sender": inviter_user_id,
|
|
"sender_display_name": inviter_display_name,
|
|
"sender_avatar_url": inviter_avatar_url,
|
|
"guest_user_id": guest_user_info["user"].to_string(),
|
|
"guest_access_token": guest_access_token,
|
|
}
|
|
)
|
|
# TODO: Check for success
|
|
token = data["token"]
|
|
public_keys = data.get("public_keys", [])
|
|
if "public_key" in data:
|
|
fallback_public_key = {
|
|
"public_key": data["public_key"],
|
|
"key_validity_url": "%s%s/_matrix/identity/api/v1/pubkey/isvalid" % (
|
|
id_server_scheme, id_server,
|
|
),
|
|
}
|
|
else:
|
|
fallback_public_key = public_keys[0]
|
|
|
|
if not public_keys:
|
|
public_keys.append(fallback_public_key)
|
|
display_name = data["display_name"]
|
|
defer.returnValue((token, public_keys, fallback_public_key, display_name))
|
|
|
|
def forget(self, user, room_id):
|
|
return self.store.forget(user.to_string(), room_id)
|
|
|
|
|
|
class RoomListHandler(BaseHandler):
|
|
|
|
@defer.inlineCallbacks
|
|
def get_public_room_list(self):
|
|
room_ids = yield self.store.get_public_room_ids()
|
|
|
|
@defer.inlineCallbacks
|
|
def handle_room(room_id):
|
|
aliases = yield self.store.get_aliases_for_room(room_id)
|
|
if not aliases:
|
|
defer.returnValue(None)
|
|
|
|
state = yield self.state_handler.get_current_state(room_id)
|
|
|
|
result = {"aliases": aliases, "room_id": room_id}
|
|
|
|
name_event = state.get((EventTypes.Name, ""), None)
|
|
if name_event:
|
|
name = name_event.content.get("name", None)
|
|
if name:
|
|
result["name"] = name
|
|
|
|
topic_event = state.get((EventTypes.Topic, ""), None)
|
|
if topic_event:
|
|
topic = topic_event.content.get("topic", None)
|
|
if topic:
|
|
result["topic"] = topic
|
|
|
|
canonical_event = state.get((EventTypes.CanonicalAlias, ""), None)
|
|
if canonical_event:
|
|
canonical_alias = canonical_event.content.get("alias", None)
|
|
if canonical_alias:
|
|
result["canonical_alias"] = canonical_alias
|
|
|
|
visibility_event = state.get((EventTypes.RoomHistoryVisibility, ""), None)
|
|
visibility = None
|
|
if visibility_event:
|
|
visibility = visibility_event.content.get("history_visibility", None)
|
|
result["world_readable"] = visibility == "world_readable"
|
|
|
|
guest_event = state.get((EventTypes.GuestAccess, ""), None)
|
|
guest = None
|
|
if guest_event:
|
|
guest = guest_event.content.get("guest_access", None)
|
|
result["guest_can_join"] = guest == "can_join"
|
|
|
|
avatar_event = state.get(("m.room.avatar", ""), None)
|
|
if avatar_event:
|
|
avatar_url = avatar_event.content.get("url", None)
|
|
if avatar_url:
|
|
result["avatar_url"] = avatar_url
|
|
|
|
result["num_joined_members"] = sum(
|
|
1 for (event_type, _), ev in state.items()
|
|
if event_type == EventTypes.Member and ev.membership == Membership.JOIN
|
|
)
|
|
|
|
defer.returnValue(result)
|
|
|
|
result = []
|
|
for chunk in (room_ids[i:i + 10] for i in xrange(0, len(room_ids), 10)):
|
|
chunk_result = yield defer.gatherResults([
|
|
handle_room(room_id)
|
|
for room_id in chunk
|
|
], consumeErrors=True).addErrback(unwrapFirstError)
|
|
result.extend(v for v in chunk_result if v)
|
|
|
|
# FIXME (erikj): START is no longer a valid value
|
|
defer.returnValue({"start": "START", "end": "END", "chunk": result})
|
|
|
|
|
|
class RoomContextHandler(BaseHandler):
|
|
@defer.inlineCallbacks
|
|
def get_event_context(self, user, room_id, event_id, limit, is_guest):
|
|
"""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:
|
|
dict, or None if the event isn't found
|
|
"""
|
|
before_limit = math.floor(limit / 2.)
|
|
after_limit = limit - before_limit
|
|
|
|
now_token = yield self.hs.get_event_sources().get_current_token()
|
|
|
|
def filter_evts(events):
|
|
return self._filter_events_for_client(
|
|
user.to_string(),
|
|
events,
|
|
is_peeking=is_guest)
|
|
|
|
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."
|
|
)
|
|
|
|
results = yield self.store.get_events_around(
|
|
room_id, event_id, before_limit, after_limit
|
|
)
|
|
|
|
results["events_before"] = yield filter_evts(results["events_before"])
|
|
results["events_after"] = yield filter_evts(results["events_after"])
|
|
results["event"] = event
|
|
|
|
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)
|
|
|
|
|
|
class RoomEventSource(object):
|
|
def __init__(self, hs):
|
|
self.store = hs.get_datastore()
|
|
|
|
@defer.inlineCallbacks
|
|
def get_new_events(
|
|
self,
|
|
user,
|
|
from_key,
|
|
limit,
|
|
room_ids,
|
|
is_guest,
|
|
):
|
|
# We just ignore the key for now.
|
|
|
|
to_key = yield self.get_current_key()
|
|
|
|
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,)
|
|
|
|
app_service = yield self.store.get_app_service_by_user_id(
|
|
user.to_string()
|
|
)
|
|
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:
|
|
room_events = yield self.store.get_membership_changes_for_user(
|
|
user.to_string(), from_key, to_key
|
|
)
|
|
|
|
room_to_events = yield self.store.get_room_events_stream_for_rooms(
|
|
room_ids=room_ids,
|
|
from_key=from_key,
|
|
to_key=to_key,
|
|
limit=limit or 10,
|
|
order='ASC',
|
|
)
|
|
|
|
events = list(room_events)
|
|
events.extend(e for evs, _ in room_to_events.values() for e in evs)
|
|
|
|
events.sort(key=lambda e: e.internal_metadata.order)
|
|
|
|
if limit:
|
|
events[:] = events[:limit]
|
|
|
|
if events:
|
|
end_key = events[-1].internal_metadata.after
|
|
else:
|
|
end_key = to_key
|
|
|
|
defer.returnValue((events, end_key))
|
|
|
|
def get_current_key(self, direction='f'):
|
|
return self.store.get_room_events_max_id(direction)
|
|
|
|
@defer.inlineCallbacks
|
|
def get_pagination_rows(self, user, config, key):
|
|
events, next_key = yield self.store.paginate_room_events(
|
|
room_id=key,
|
|
from_key=config.from_key,
|
|
to_key=config.to_key,
|
|
direction=config.direction,
|
|
limit=config.limit,
|
|
)
|
|
|
|
defer.returnValue((events, next_key))
|