1056 lines
36 KiB
Python
1056 lines
36 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2014 - 2016 OpenMarket Ltd
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
"""Contains functions for performing events on rooms."""
|
|
from twisted.internet import defer
|
|
|
|
from ._base import BaseHandler
|
|
|
|
from synapse.types import UserID, RoomAlias, RoomID, RoomStreamToken
|
|
from synapse.api.constants import (
|
|
EventTypes, Membership, JoinRules, RoomCreationPreset,
|
|
)
|
|
from synapse.api.errors import AuthError, StoreError, SynapseError, Codes
|
|
from synapse.util import stringutils, unwrapFirstError
|
|
from synapse.util.async import run_on_reactor
|
|
|
|
from signedjson.sign import verify_signed_json
|
|
from signedjson.key import decode_verify_key_bytes
|
|
|
|
from collections import OrderedDict
|
|
from unpaddedbase64 import decode_base64
|
|
|
|
import logging
|
|
import math
|
|
import string
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
id_server_scheme = "https://"
|
|
|
|
|
|
def collect_presencelike_data(distributor, user, content):
|
|
return distributor.fire("collect_presencelike_data", user, content)
|
|
|
|
|
|
def user_left_room(distributor, user, room_id):
|
|
return distributor.fire("user_left_room", user=user, room_id=room_id)
|
|
|
|
|
|
def user_joined_room(distributor, user, room_id):
|
|
return distributor.fire("user_joined_room", user=user, room_id=room_id)
|
|
|
|
|
|
class RoomCreationHandler(BaseHandler):
|
|
|
|
PRESETS_DICT = {
|
|
RoomCreationPreset.PRIVATE_CHAT: {
|
|
"join_rules": JoinRules.INVITE,
|
|
"history_visibility": "shared",
|
|
"original_invitees_have_ops": False,
|
|
},
|
|
RoomCreationPreset.TRUSTED_PRIVATE_CHAT: {
|
|
"join_rules": JoinRules.INVITE,
|
|
"history_visibility": "shared",
|
|
"original_invitees_have_ops": True,
|
|
},
|
|
RoomCreationPreset.PUBLIC_CHAT: {
|
|
"join_rules": JoinRules.PUBLIC,
|
|
"history_visibility": "shared",
|
|
"original_invitees_have_ops": False,
|
|
},
|
|
}
|
|
|
|
@defer.inlineCallbacks
|
|
def create_room(self, user_id, room_id, config):
|
|
""" Creates a new room.
|
|
|
|
Args:
|
|
user_id (str): The ID of the user creating the new room.
|
|
room_id (str): The proposed ID for the new room. Can be None, in
|
|
which case one will be created for you.
|
|
config (dict) : A dict of configuration options.
|
|
Returns:
|
|
The new room ID.
|
|
Raises:
|
|
SynapseError if the room ID was taken, couldn't be stored, or
|
|
something went horribly wrong.
|
|
"""
|
|
self.ratelimit(user_id)
|
|
|
|
if "room_alias_name" in config:
|
|
for wchar in string.whitespace:
|
|
if wchar in config["room_alias_name"]:
|
|
raise SynapseError(400, "Invalid characters in room alias")
|
|
|
|
room_alias = RoomAlias.create(
|
|
config["room_alias_name"],
|
|
self.hs.hostname,
|
|
)
|
|
mapping = yield self.store.get_association_from_room_alias(
|
|
room_alias
|
|
)
|
|
|
|
if mapping:
|
|
raise SynapseError(400, "Room alias already taken")
|
|
else:
|
|
room_alias = None
|
|
|
|
invite_list = config.get("invite", [])
|
|
for i in invite_list:
|
|
try:
|
|
UserID.from_string(i)
|
|
except:
|
|
raise SynapseError(400, "Invalid user_id: %s" % (i,))
|
|
|
|
invite_3pid_list = config.get("invite_3pid", [])
|
|
|
|
is_public = config.get("visibility", None) == "public"
|
|
|
|
if room_id:
|
|
# Ensure room_id is the correct type
|
|
room_id_obj = RoomID.from_string(room_id)
|
|
if not self.hs.is_mine(room_id_obj):
|
|
raise SynapseError(400, "Room id must be local")
|
|
|
|
yield self.store.store_room(
|
|
room_id=room_id,
|
|
room_creator_user_id=user_id,
|
|
is_public=is_public
|
|
)
|
|
else:
|
|
# autogen room IDs and try to create it. We may clash, so just
|
|
# try a few times till one goes through, giving up eventually.
|
|
attempts = 0
|
|
room_id = None
|
|
while attempts < 5:
|
|
try:
|
|
random_string = stringutils.random_string(18)
|
|
gen_room_id = RoomID.create(
|
|
random_string,
|
|
self.hs.hostname,
|
|
)
|
|
yield self.store.store_room(
|
|
room_id=gen_room_id.to_string(),
|
|
room_creator_user_id=user_id,
|
|
is_public=is_public
|
|
)
|
|
room_id = gen_room_id.to_string()
|
|
break
|
|
except StoreError:
|
|
attempts += 1
|
|
if not room_id:
|
|
raise StoreError(500, "Couldn't generate a room ID.")
|
|
|
|
if room_alias:
|
|
directory_handler = self.hs.get_handlers().directory_handler
|
|
yield directory_handler.create_association(
|
|
user_id=user_id,
|
|
room_id=room_id,
|
|
room_alias=room_alias,
|
|
servers=[self.hs.hostname],
|
|
)
|
|
|
|
preset_config = config.get(
|
|
"preset",
|
|
RoomCreationPreset.PUBLIC_CHAT
|
|
if is_public
|
|
else RoomCreationPreset.PRIVATE_CHAT
|
|
)
|
|
|
|
raw_initial_state = config.get("initial_state", [])
|
|
|
|
initial_state = OrderedDict()
|
|
for val in raw_initial_state:
|
|
initial_state[(val["type"], val.get("state_key", ""))] = val["content"]
|
|
|
|
creation_content = config.get("creation_content", {})
|
|
|
|
user = UserID.from_string(user_id)
|
|
creation_events = self._create_events_for_new_room(
|
|
user, room_id,
|
|
preset_config=preset_config,
|
|
invite_list=invite_list,
|
|
initial_state=initial_state,
|
|
creation_content=creation_content,
|
|
room_alias=room_alias,
|
|
)
|
|
|
|
msg_handler = self.hs.get_handlers().message_handler
|
|
|
|
for event in creation_events:
|
|
yield msg_handler.create_and_send_event(event, ratelimit=False)
|
|
|
|
if "name" in config:
|
|
name = config["name"]
|
|
yield msg_handler.create_and_send_event({
|
|
"type": EventTypes.Name,
|
|
"room_id": room_id,
|
|
"sender": user_id,
|
|
"state_key": "",
|
|
"content": {"name": name},
|
|
}, ratelimit=False)
|
|
|
|
if "topic" in config:
|
|
topic = config["topic"]
|
|
yield msg_handler.create_and_send_event({
|
|
"type": EventTypes.Topic,
|
|
"room_id": room_id,
|
|
"sender": user_id,
|
|
"state_key": "",
|
|
"content": {"topic": topic},
|
|
}, ratelimit=False)
|
|
|
|
for invitee in invite_list:
|
|
yield msg_handler.create_and_send_event({
|
|
"type": EventTypes.Member,
|
|
"state_key": invitee,
|
|
"room_id": room_id,
|
|
"sender": user_id,
|
|
"content": {"membership": Membership.INVITE},
|
|
}, ratelimit=False)
|
|
|
|
for invite_3pid in invite_3pid_list:
|
|
id_server = invite_3pid["id_server"]
|
|
address = invite_3pid["address"]
|
|
medium = invite_3pid["medium"]
|
|
yield self.hs.get_handlers().room_member_handler.do_3pid_invite(
|
|
room_id,
|
|
user,
|
|
medium,
|
|
address,
|
|
id_server,
|
|
token_id=None,
|
|
txn_id=None,
|
|
)
|
|
|
|
result = {"room_id": room_id}
|
|
|
|
if room_alias:
|
|
result["room_alias"] = room_alias.to_string()
|
|
yield directory_handler.send_room_alias_update_event(
|
|
user_id, room_id
|
|
)
|
|
|
|
defer.returnValue(result)
|
|
|
|
def _create_events_for_new_room(self, creator, room_id, preset_config,
|
|
invite_list, initial_state, creation_content,
|
|
room_alias):
|
|
config = RoomCreationHandler.PRESETS_DICT[preset_config]
|
|
|
|
creator_id = creator.to_string()
|
|
|
|
event_keys = {
|
|
"room_id": room_id,
|
|
"sender": creator_id,
|
|
"state_key": "",
|
|
}
|
|
|
|
def create(etype, content, **kwargs):
|
|
e = {
|
|
"type": etype,
|
|
"content": content,
|
|
}
|
|
|
|
e.update(event_keys)
|
|
e.update(kwargs)
|
|
|
|
return e
|
|
|
|
creation_content.update({"creator": creator.to_string()})
|
|
creation_event = create(
|
|
etype=EventTypes.Create,
|
|
content=creation_content,
|
|
)
|
|
|
|
join_event = create(
|
|
etype=EventTypes.Member,
|
|
state_key=creator_id,
|
|
content={
|
|
"membership": Membership.JOIN,
|
|
},
|
|
)
|
|
|
|
returned_events = [creation_event, join_event]
|
|
|
|
if (EventTypes.PowerLevels, '') not in initial_state:
|
|
power_level_content = {
|
|
"users": {
|
|
creator.to_string(): 100,
|
|
},
|
|
"users_default": 0,
|
|
"events": {
|
|
EventTypes.Name: 50,
|
|
EventTypes.PowerLevels: 100,
|
|
EventTypes.RoomHistoryVisibility: 100,
|
|
EventTypes.CanonicalAlias: 50,
|
|
EventTypes.RoomAvatar: 50,
|
|
},
|
|
"events_default": 0,
|
|
"state_default": 50,
|
|
"ban": 50,
|
|
"kick": 50,
|
|
"redact": 50,
|
|
"invite": 0,
|
|
}
|
|
|
|
if config["original_invitees_have_ops"]:
|
|
for invitee in invite_list:
|
|
power_level_content["users"][invitee] = 100
|
|
|
|
power_levels_event = create(
|
|
etype=EventTypes.PowerLevels,
|
|
content=power_level_content,
|
|
)
|
|
|
|
returned_events.append(power_levels_event)
|
|
|
|
if room_alias and (EventTypes.CanonicalAlias, '') not in initial_state:
|
|
room_alias_event = create(
|
|
etype=EventTypes.CanonicalAlias,
|
|
content={"alias": room_alias.to_string()},
|
|
)
|
|
|
|
returned_events.append(room_alias_event)
|
|
|
|
if (EventTypes.JoinRules, '') not in initial_state:
|
|
join_rules_event = create(
|
|
etype=EventTypes.JoinRules,
|
|
content={"join_rule": config["join_rules"]},
|
|
)
|
|
|
|
returned_events.append(join_rules_event)
|
|
|
|
if (EventTypes.RoomHistoryVisibility, '') not in initial_state:
|
|
history_event = create(
|
|
etype=EventTypes.RoomHistoryVisibility,
|
|
content={"history_visibility": config["history_visibility"]}
|
|
)
|
|
|
|
returned_events.append(history_event)
|
|
|
|
for (etype, state_key), content in initial_state.items():
|
|
returned_events.append(create(
|
|
etype=etype,
|
|
state_key=state_key,
|
|
content=content,
|
|
))
|
|
|
|
return returned_events
|
|
|
|
|
|
class RoomMemberHandler(BaseHandler):
|
|
# TODO(paul): This handler currently contains a messy conflation of
|
|
# low-level API that works on UserID objects and so on, and REST-level
|
|
# API that takes ID strings and returns pagination chunks. These concerns
|
|
# ought to be separated out a lot better.
|
|
|
|
def __init__(self, hs):
|
|
super(RoomMemberHandler, self).__init__(hs)
|
|
|
|
self.clock = hs.get_clock()
|
|
|
|
self.distributor = hs.get_distributor()
|
|
self.distributor.declare("user_joined_room")
|
|
self.distributor.declare("user_left_room")
|
|
|
|
@defer.inlineCallbacks
|
|
def get_room_members(self, room_id):
|
|
users = yield self.store.get_users_in_room(room_id)
|
|
|
|
defer.returnValue([UserID.from_string(u) for u in users])
|
|
|
|
@defer.inlineCallbacks
|
|
def fetch_room_distributions_into(self, room_id, localusers=None,
|
|
remotedomains=None, ignore_user=None):
|
|
"""Fetch the distribution of a room, adding elements to either
|
|
'localusers' or 'remotedomains', which should be a set() if supplied.
|
|
If ignore_user is set, ignore that user.
|
|
|
|
This function returns nothing; its result is performed by the
|
|
side-effect on the two passed sets. This allows easy accumulation of
|
|
member lists of multiple rooms at once if required.
|
|
"""
|
|
members = yield self.get_room_members(room_id)
|
|
for member in members:
|
|
if ignore_user is not None and member == ignore_user:
|
|
continue
|
|
|
|
if self.hs.is_mine(member):
|
|
if localusers is not None:
|
|
localusers.add(member)
|
|
else:
|
|
if remotedomains is not None:
|
|
remotedomains.add(member.domain)
|
|
|
|
@defer.inlineCallbacks
|
|
def update_membership(self, requester, target, room_id, action, txn_id=None):
|
|
effective_membership_state = action
|
|
if action in ["kick", "unban"]:
|
|
effective_membership_state = "leave"
|
|
elif action == "forget":
|
|
effective_membership_state = "leave"
|
|
|
|
msg_handler = self.hs.get_handlers().message_handler
|
|
|
|
content = {"membership": unicode(effective_membership_state)}
|
|
if requester.is_guest:
|
|
content["kind"] = "guest"
|
|
|
|
event, context = yield msg_handler.create_event(
|
|
{
|
|
"type": EventTypes.Member,
|
|
"content": content,
|
|
"room_id": room_id,
|
|
"sender": requester.user.to_string(),
|
|
"state_key": target.to_string(),
|
|
},
|
|
token_id=requester.access_token_id,
|
|
txn_id=txn_id,
|
|
)
|
|
|
|
old_state = context.current_state.get((EventTypes.Member, event.state_key))
|
|
old_membership = old_state.content.get("membership") if old_state else None
|
|
if action == "unban" and old_membership != "ban":
|
|
raise SynapseError(
|
|
403,
|
|
"Cannot unban user who was not banned (membership=%s)" % old_membership,
|
|
errcode=Codes.BAD_STATE
|
|
)
|
|
if old_membership == "ban" and action != "unban":
|
|
raise SynapseError(
|
|
403,
|
|
"Cannot %s user who was is banned" % (action,),
|
|
errcode=Codes.BAD_STATE
|
|
)
|
|
|
|
yield msg_handler.send_event(
|
|
event,
|
|
context,
|
|
ratelimit=True,
|
|
is_guest=requester.is_guest
|
|
)
|
|
|
|
if action == "forget":
|
|
yield self.forget(requester.user, room_id)
|
|
|
|
@defer.inlineCallbacks
|
|
def send_membership_event(self, event, context, is_guest=False):
|
|
""" Change the membership status of a user in a room.
|
|
|
|
Args:
|
|
event (SynapseEvent): The membership event
|
|
Raises:
|
|
SynapseError if there was a problem changing the membership.
|
|
"""
|
|
target_user_id = event.state_key
|
|
|
|
prev_state = context.current_state.get(
|
|
(EventTypes.Member, target_user_id),
|
|
None
|
|
)
|
|
|
|
room_id = event.room_id
|
|
|
|
# If we're trying to join a room then we have to do this differently
|
|
# if this HS is not currently in the room, i.e. we have to do the
|
|
# invite/join dance.
|
|
if event.membership == Membership.JOIN:
|
|
if is_guest:
|
|
guest_access = context.current_state.get(
|
|
(EventTypes.GuestAccess, ""),
|
|
None
|
|
)
|
|
is_guest_access_allowed = (
|
|
guest_access
|
|
and guest_access.content
|
|
and "guest_access" in guest_access.content
|
|
and guest_access.content["guest_access"] == "can_join"
|
|
)
|
|
if not is_guest_access_allowed:
|
|
raise AuthError(403, "Guest access not allowed")
|
|
|
|
yield self._do_join(event, context)
|
|
else:
|
|
if event.membership == Membership.LEAVE:
|
|
is_host_in_room = yield self.is_host_in_room(room_id, context)
|
|
if not is_host_in_room:
|
|
# Rejecting an invite, rather than leaving a joined room
|
|
handler = self.hs.get_handlers().federation_handler
|
|
inviter = yield self.get_inviter(event)
|
|
if not inviter:
|
|
# return the same error as join_room_alias does
|
|
raise SynapseError(404, "No known servers")
|
|
yield handler.do_remotely_reject_invite(
|
|
[inviter.domain],
|
|
room_id,
|
|
event.user_id
|
|
)
|
|
defer.returnValue({"room_id": room_id})
|
|
return
|
|
|
|
# FIXME: This isn't idempotency.
|
|
if prev_state and prev_state.membership == event.membership:
|
|
# double same action, treat this event as a NOOP.
|
|
defer.returnValue({})
|
|
return
|
|
|
|
yield self._do_local_membership_update(
|
|
event,
|
|
context=context,
|
|
)
|
|
|
|
if prev_state and prev_state.membership == Membership.JOIN:
|
|
user = UserID.from_string(event.user_id)
|
|
user_left_room(self.distributor, user, event.room_id)
|
|
|
|
defer.returnValue({"room_id": room_id})
|
|
|
|
@defer.inlineCallbacks
|
|
def join_room_alias(self, joinee, room_alias, content={}):
|
|
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"]
|
|
hosts = mapping["servers"]
|
|
if not hosts:
|
|
raise SynapseError(404, "No known servers")
|
|
|
|
# If event doesn't include a display name, add one.
|
|
yield collect_presencelike_data(self.distributor, joinee, content)
|
|
|
|
content.update({"membership": Membership.JOIN})
|
|
builder = self.event_builder_factory.new({
|
|
"type": EventTypes.Member,
|
|
"state_key": joinee.to_string(),
|
|
"room_id": room_id,
|
|
"sender": joinee.to_string(),
|
|
"membership": Membership.JOIN,
|
|
"content": content,
|
|
})
|
|
event, context = yield self._create_new_client_event(builder)
|
|
|
|
yield self._do_join(event, context, room_hosts=hosts)
|
|
|
|
defer.returnValue({"room_id": room_id})
|
|
|
|
@defer.inlineCallbacks
|
|
def _do_join(self, event, context, room_hosts=None):
|
|
room_id = event.room_id
|
|
|
|
# XXX: 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.
|
|
|
|
is_host_in_room = yield self.is_host_in_room(room_id, context)
|
|
if is_host_in_room:
|
|
should_do_dance = False
|
|
elif room_hosts: # TODO: Shouldn't this be remote_room_host?
|
|
should_do_dance = True
|
|
else:
|
|
inviter = yield self.get_inviter(event)
|
|
if not inviter:
|
|
# return the same error as join_room_alias does
|
|
raise SynapseError(404, "No known servers")
|
|
should_do_dance = not self.hs.is_mine(inviter)
|
|
room_hosts = [inviter.domain]
|
|
|
|
if should_do_dance:
|
|
handler = self.hs.get_handlers().federation_handler
|
|
yield handler.do_invite_join(
|
|
room_hosts,
|
|
room_id,
|
|
event.user_id,
|
|
event.content,
|
|
)
|
|
else:
|
|
logger.debug("Doing normal join")
|
|
|
|
yield self._do_local_membership_update(
|
|
event,
|
|
context=context,
|
|
)
|
|
|
|
prev_state = context.current_state.get((event.type, event.state_key))
|
|
if not prev_state or prev_state.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.
|
|
user = UserID.from_string(event.user_id)
|
|
yield user_joined_room(self.distributor, user, room_id)
|
|
|
|
@defer.inlineCallbacks
|
|
def get_inviter(self, event):
|
|
# TODO(markjh): get prev_state from snapshot
|
|
prev_state = yield self.store.get_room_member(
|
|
event.user_id, event.room_id
|
|
)
|
|
|
|
if prev_state and prev_state.membership == Membership.INVITE:
|
|
defer.returnValue(UserID.from_string(prev_state.user_id))
|
|
return
|
|
elif "third_party_invite" in event.content:
|
|
if "sender" in event.content["third_party_invite"]:
|
|
inviter = UserID.from_string(
|
|
event.content["third_party_invite"]["sender"]
|
|
)
|
|
defer.returnValue(inviter)
|
|
defer.returnValue(None)
|
|
|
|
@defer.inlineCallbacks
|
|
def is_host_in_room(self, room_id, context):
|
|
is_host_in_room = yield self.auth.check_host_in_room(
|
|
room_id,
|
|
self.hs.hostname
|
|
)
|
|
if not is_host_in_room:
|
|
# is *anyone* in the room?
|
|
room_member_keys = [
|
|
v for (k, v) in context.current_state.keys() if (
|
|
k == "m.room.member"
|
|
)
|
|
]
|
|
if len(room_member_keys) == 0:
|
|
# has the room been created so we can join it?
|
|
create_event = context.current_state.get(("m.room.create", ""))
|
|
if create_event:
|
|
is_host_in_room = True
|
|
defer.returnValue(is_host_in_room)
|
|
|
|
@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_local_membership_update(self, event, context):
|
|
yield run_on_reactor()
|
|
|
|
target_user = UserID.from_string(event.state_key)
|
|
|
|
yield self.handle_new_client_event(
|
|
event,
|
|
context,
|
|
extra_users=[target_user],
|
|
)
|
|
|
|
@defer.inlineCallbacks
|
|
def do_3pid_invite(
|
|
self,
|
|
room_id,
|
|
inviter,
|
|
medium,
|
|
address,
|
|
id_server,
|
|
token_id,
|
|
txn_id
|
|
):
|
|
invitee = yield self._lookup_3pid(
|
|
id_server, medium, address
|
|
)
|
|
|
|
if invitee:
|
|
# make sure it looks like a user ID; it'll throw if it's invalid.
|
|
UserID.from_string(invitee)
|
|
yield self.hs.get_handlers().message_handler.create_and_send_event(
|
|
{
|
|
"type": EventTypes.Member,
|
|
"content": {
|
|
"membership": unicode("invite")
|
|
},
|
|
"room_id": room_id,
|
|
"sender": inviter.to_string(),
|
|
"state_key": invitee,
|
|
},
|
|
token_id=token_id,
|
|
txn_id=txn_id,
|
|
)
|
|
else:
|
|
yield self._make_and_store_3pid_invite(
|
|
id_server,
|
|
medium,
|
|
address,
|
|
room_id,
|
|
inviter,
|
|
token_id,
|
|
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,
|
|
id_server,
|
|
medium,
|
|
address,
|
|
room_id,
|
|
user,
|
|
token_id,
|
|
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_key, key_validity_url, 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_event(
|
|
{
|
|
"type": EventTypes.ThirdPartyInvite,
|
|
"content": {
|
|
"display_name": display_name,
|
|
"key_validity_url": key_validity_url,
|
|
"public_key": public_key,
|
|
},
|
|
"room_id": room_id,
|
|
"sender": user.to_string(),
|
|
"state_key": token,
|
|
},
|
|
token_id=token_id,
|
|
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
|
|
):
|
|
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,
|
|
}
|
|
)
|
|
# TODO: Check for success
|
|
token = data["token"]
|
|
public_key = data["public_key"]
|
|
display_name = data["display_name"]
|
|
key_validity_url = "%s%s/_matrix/identity/api/v1/pubkey/isvalid" % (
|
|
id_server_scheme, id_server,
|
|
)
|
|
defer.returnValue((token, public_key, key_validity_url, 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):
|
|
chunk = yield self.store.get_rooms(is_public=True)
|
|
|
|
room_members = yield defer.gatherResults(
|
|
[
|
|
self.store.get_users_in_room(room["room_id"])
|
|
for room in chunk
|
|
],
|
|
consumeErrors=True,
|
|
).addErrback(unwrapFirstError)
|
|
|
|
avatar_urls = yield defer.gatherResults(
|
|
[
|
|
self.get_room_avatar_url(room["room_id"])
|
|
for room in chunk
|
|
],
|
|
consumeErrors=True,
|
|
).addErrback(unwrapFirstError)
|
|
|
|
for i, room in enumerate(chunk):
|
|
room["num_joined_members"] = len(room_members[i])
|
|
if avatar_urls[i]:
|
|
room["avatar_url"] = avatar_urls[i]
|
|
|
|
# FIXME (erikj): START is no longer a valid value
|
|
defer.returnValue({"start": "START", "end": "END", "chunk": chunk})
|
|
|
|
@defer.inlineCallbacks
|
|
def get_room_avatar_url(self, room_id):
|
|
event = yield self.hs.get_state_handler().get_current_state(
|
|
room_id, "m.room.avatar"
|
|
)
|
|
if event and "url" in event.content:
|
|
defer.returnValue(event.content["url"])
|
|
|
|
|
|
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_room_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,
|
|
)
|
|
|
|
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))
|