diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py
index d2de23a6cc..0cb6c521c4 100644
--- a/synapse/handlers/room.py
+++ b/synapse/handlers/room.py
@@ -18,7 +18,7 @@ from twisted.internet import defer
from ._base import BaseHandler
-from synapse.types import UserID, RoomAlias, RoomID, RoomStreamToken
+from synapse.types import UserID, RoomAlias, RoomID, RoomStreamToken, Requester
from synapse.api.constants import (
EventTypes, Membership, JoinRules, RoomCreationPreset,
)
@@ -90,7 +90,7 @@ class RoomCreationHandler(BaseHandler):
"""
user_id = requester.user.to_string()
- self.ratelimit(user_id)
+ self.ratelimit(requester)
if "room_alias_name" in config:
for wchar in string.whitespace:
@@ -185,26 +185,32 @@ class RoomCreationHandler(BaseHandler):
if "name" in config:
name = config["name"]
- yield msg_handler.create_and_send_nonmember_event({
- "type": EventTypes.Name,
- "room_id": room_id,
- "sender": user_id,
- "state_key": "",
- "content": {"name": name},
- }, ratelimit=False)
+ yield msg_handler.create_and_send_nonmember_event(
+ requester,
+ {
+ "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_nonmember_event({
- "type": EventTypes.Topic,
- "room_id": room_id,
- "sender": user_id,
- "state_key": "",
- "content": {"topic": topic},
- }, ratelimit=False)
+ yield msg_handler.create_and_send_nonmember_event(
+ requester,
+ {
+ "type": EventTypes.Topic,
+ "room_id": room_id,
+ "sender": user_id,
+ "state_key": "",
+ "content": {"topic": topic},
+ },
+ ratelimit=False)
for invitee in invite_list:
- room_member_handler.update_membership(
+ yield room_member_handler.update_membership(
requester,
UserID.from_string(invitee),
room_id,
@@ -231,7 +237,7 @@ class RoomCreationHandler(BaseHandler):
if room_alias:
result["room_alias"] = room_alias.to_string()
yield directory_handler.send_room_alias_update_event(
- user_id, room_id
+ requester, user_id, room_id
)
defer.returnValue(result)
@@ -263,7 +269,11 @@ class RoomCreationHandler(BaseHandler):
@defer.inlineCallbacks
def send(etype, content, **kwargs):
event = create(etype, content, **kwargs)
- yield msg_handler.create_and_send_nonmember_event(event, ratelimit=False)
+ yield msg_handler.create_and_send_nonmember_event(
+ creator,
+ event,
+ ratelimit=False
+ )
config = RoomCreationHandler.PRESETS_DICT[preset_config]
@@ -454,12 +464,11 @@ class RoomMemberHandler(BaseHandler):
member_handler = self.hs.get_handlers().room_member_handler
yield member_handler.send_membership_event(
+ requester,
event,
context,
- is_guest=requester.is_guest,
ratelimit=ratelimit,
remote_room_hosts=remote_room_hosts,
- from_client=True,
)
if action == "forget":
@@ -468,17 +477,19 @@ class RoomMemberHandler(BaseHandler):
@defer.inlineCallbacks
def send_membership_event(
self,
+ requester,
event,
context,
- is_guest=False,
remote_room_hosts=None,
ratelimit=True,
- from_client=True,
):
"""
Change the membership status of a user in a room.
Args:
+ requester (Requester): The local user who requested the membership
+ event. If None, certain checks, like whether this homeserver can
+ act as the sender, will be skipped.
event (SynapseEvent): The membership event.
context: The context of the event.
is_guest (bool): Whether the sender is a guest.
@@ -486,19 +497,23 @@ class RoomMemberHandler(BaseHandler):
the room, and could be danced with in order to join this
homeserver for the first time.
ratelimit (bool): Whether to rate limit this request.
- from_client (bool): Whether this request is the result of a local
- client request (rather than over federation). If so, we will
- perform extra checks, like that this homeserver can act as this
- client.
Raises:
SynapseError if there was a problem changing the membership.
"""
+ remote_room_hosts = remote_room_hosts or []
+
target_user = UserID.from_string(event.state_key)
room_id = event.room_id
- if from_client:
+ if requester is not None:
sender = UserID.from_string(event.sender)
+ assert sender == requester.user, (
+ "Sender (%s) must be same as requester (%s)" %
+ (sender, requester.user)
+ )
assert self.hs.is_mine(sender), "Sender must be our own: %s" % (sender,)
+ else:
+ requester = Requester(target_user, None, False)
message_handler = self.hs.get_handlers().message_handler
prev_event = message_handler.deduplicate_state_event(event, context)
@@ -508,7 +523,7 @@ class RoomMemberHandler(BaseHandler):
action = "send"
if event.membership == Membership.JOIN:
- if is_guest and not self._can_guest_join(context.current_state):
+ if requester.is_guest and not self._can_guest_join(context.current_state):
# This should be an auth check, but guests are a local concept,
# so don't really fit into the general auth process.
raise AuthError(403, "Guest access not allowed")
@@ -521,8 +536,24 @@ class RoomMemberHandler(BaseHandler):
action = "remote_join"
elif event.membership == Membership.LEAVE:
is_host_in_room = self.is_host_in_room(context.current_state)
+
if not is_host_in_room:
- action = "remote_reject"
+ # perhaps we've been invited
+ inviter = self.get_inviter(target_user.to_string(), context.current_state)
+ if not inviter:
+ raise SynapseError(404, "Not a known room")
+
+ if self.hs.is_mine(inviter):
+ # the inviter was on our server, but has now left. Carry on
+ # with the normal rejection codepath.
+ #
+ # 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
@@ -541,16 +572,14 @@ class RoomMemberHandler(BaseHandler):
event.content,
)
elif action == "remote_reject":
- inviter = self.get_inviter(target_user.to_string(), context.current_state)
- if not inviter:
- raise SynapseError(404, "No known servers")
yield federation_handler.do_remotely_reject_invite(
- [inviter.domain],
+ remote_room_hosts,
room_id,
event.user_id
)
else:
yield self.handle_new_client_event(
+ requester,
event,
context,
extra_users=[target_user],
@@ -669,12 +698,12 @@ class RoomMemberHandler(BaseHandler):
)
else:
yield self._make_and_store_3pid_invite(
+ requester,
id_server,
medium,
address,
room_id,
inviter,
- requester.access_token_id,
txn_id=txn_id
)
@@ -732,12 +761,12 @@ class RoomMemberHandler(BaseHandler):
@defer.inlineCallbacks
def _make_and_store_3pid_invite(
self,
+ requester,
id_server,
medium,
address,
room_id,
user,
- token_id,
txn_id
):
room_state = yield self.hs.get_state_handler().get_current_state(room_id)
@@ -787,6 +816,7 @@ class RoomMemberHandler(BaseHandler):
msg_handler = self.hs.get_handlers().message_handler
yield msg_handler.create_and_send_nonmember_event(
+ requester,
{
"type": EventTypes.ThirdPartyInvite,
"content": {
@@ -801,7 +831,6 @@ class RoomMemberHandler(BaseHandler):
"sender": user.to_string(),
"state_key": token,
},
- token_id=token_id,
txn_id=txn_id,
)
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