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Merge pull request #583 from matrix-org/daniel/roomcleanupincremental 

Merge all of the room membership codepaths into one
This commit is contained in:
Daniel Wagner-Hall 2016-02-18 11:48:28 +00:00
parent 200de16440 f8d21e1431
commit 35cda2e692
9 changed files with 393 additions and 364 deletions
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81
synapse/handlers/_base.py
View File

@ -18,7 +18,7 @@ from twisted.internet import defer
from synapse.api.errors import LimitExceededError, SynapseError, AuthError
from synapse.crypto.event_signing import add_hashes_and_signatures
from synapse.api.constants import Membership, EventTypes
from synapse.types import UserID, RoomAlias
from synapse.types import UserID, RoomAlias, Requester
from synapse.push.action_generator import ActionGenerator
from synapse.util.logcontext import PreserveLoggingContext
@ -147,7 +147,7 @@ class BaseHandler(object):
@defer.inlineCallbacks
def _create_new_client_event(self, builder):
latest_ret = yield self.store.get_latest_events_in_room(
latest_ret = yield self.store.get_latest_event_ids_and_hashes_in_room(
builder.room_id,
)
@ -156,7 +156,10 @@ class BaseHandler(object):
else:
depth = 1
prev_events = [(e, h) for e, h, _ in latest_ret]
prev_events = [
(event_id, prev_hashes)
for event_id, prev_hashes, _ in latest_ret
]
builder.prev_events = prev_events
builder.depth = depth
@ -165,6 +168,31 @@ class BaseHandler(object):
context = yield state_handler.compute_event_context(builder)
# If we've received an invite over federation, there are no latest
# events in the room, because we don't know enough about the graph
# fragment we received to treat it like a graph, so the above returned
# no relevant events. It may have returned some events (if we have
# joined and left the room), but not useful ones, like the invite. So we
# forcibly set our context to the invite we received over federation.
if (
not self.is_host_in_room(context.current_state) and
builder.type == EventTypes.Member
):
prev_member_event = yield self.store.get_room_member(
builder.sender, builder.room_id
)
if prev_member_event:
builder.prev_events = (
prev_member_event.event_id,
prev_member_event.prev_events
)
context = yield state_handler.compute_event_context(
builder,
old_state=(prev_member_event,),
outlier=True
)
if builder.is_state():
builder.prev_state = yield self.store.add_event_hashes(
context.prev_state_events
@ -187,10 +215,33 @@ class BaseHandler(object):
(event, context,)
)
def is_host_in_room(self, current_state):
room_members = [
(state_key, event.membership)
for ((event_type, state_key), event) in current_state.items()
if event_type == EventTypes.Member
]
if len(room_members) == 0:
# Have we just created the room, and is this about to be the very
# first member event?
create_event = current_state.get(("m.room.create", ""))
if create_event:
return True
for (state_key, membership) in room_members:
if (
UserID.from_string(state_key).domain == self.hs.hostname
and membership == Membership.JOIN
):
return True
return False
@defer.inlineCallbacks
def handle_new_client_event(self, event, context, extra_users=[]):
def handle_new_client_event(self, event, context, ratelimit=True, extra_users=[]):
# We now need to go and hit out to wherever we need to hit out to.
if ratelimit:
self.ratelimit(event.sender)
self.auth.check(event, auth_events=context.current_state)
yield self.maybe_kick_guest_users(event, context.current_state.values())
@ -316,7 +367,8 @@ class BaseHandler(object):
if member_event.type != EventTypes.Member:
continue
if not self.hs.is_mine(UserID.from_string(member_event.state_key)):
target_user = UserID.from_string(member_event.state_key)
if not self.hs.is_mine(target_user):
continue
if member_event.content["membership"] not in {
@ -338,18 +390,13 @@ class BaseHandler(object):
# and having homeservers have their own users leave keeps more
# of that decision-making and control local to the guest-having
# homeserver.
message_handler = self.hs.get_handlers().message_handler
yield message_handler.create_and_send_event(
{
"type": EventTypes.Member,
"state_key": member_event.state_key,
"content": {
"membership": Membership.LEAVE,
"kind": "guest"
},
"room_id": member_event.room_id,
"sender": member_event.state_key
},
requester = Requester(target_user, "", True)
handler = self.hs.get_handlers().room_member_handler
yield handler.update_membership(
requester,
target_user,
member_event.room_id,
"leave",
ratelimit=False,
)
except Exception as e:

2
synapse/handlers/directory.py
View File

@ -216,7 +216,7 @@ class DirectoryHandler(BaseHandler):
aliases = yield self.store.get_aliases_for_room(room_id)
msg_handler = self.hs.get_handlers().message_handler
yield msg_handler.create_and_send_event({
yield msg_handler.create_and_send_nonmember_event({
"type": EventTypes.Aliases,
"state_key": self.hs.hostname,
"room_id": room_id,

4
synapse/handlers/federation.py
View File

@ -1658,7 +1658,7 @@ class FederationHandler(BaseHandler):
self.auth.check(event, context.current_state)
yield self._validate_keyserver(event, auth_events=context.current_state)
member_handler = self.hs.get_handlers().room_member_handler
yield member_handler.send_membership_event(event, context)
yield member_handler.send_membership_event(event, context, from_client=False)
else:
destinations = set([x.split(":", 1)[-1] for x in (sender, room_id)])
yield self.replication_layer.forward_third_party_invite(
@ -1687,7 +1687,7 @@ class FederationHandler(BaseHandler):
# TODO: Make sure the signatures actually are correct.
event.signatures.update(returned_invite.signatures)
member_handler = self.hs.get_handlers().room_member_handler
yield member_handler.send_membership_event(event, context)
yield member_handler.send_membership_event(event, context, from_client=False)
@defer.inlineCallbacks
def add_display_name_to_third_party_invite(self, event_dict, event, context):

56
synapse/handlers/message.py
View File

@ -16,7 +16,7 @@
from twisted.internet import defer
from synapse.api.constants import EventTypes, Membership
from synapse.api.errors import AuthError, Codes
from synapse.api.errors import AuthError, Codes, SynapseError
from synapse.streams.config import PaginationConfig
from synapse.events.utils import serialize_event
from synapse.events.validator import EventValidator
@ -216,7 +216,7 @@ class MessageHandler(BaseHandler):
defer.returnValue((event, context))
@defer.inlineCallbacks
def send_event(self, event, context, ratelimit=True, is_guest=False):
def send_nonmember_event(self, event, context, ratelimit=True):
"""
Persists and notifies local clients and federation of an event.
@ -226,30 +226,25 @@ class MessageHandler(BaseHandler):
ratelimit (bool): Whether to rate limit this send.
is_guest (bool): Whether the sender is a guest.
"""
if event.type == EventTypes.Member:
raise SynapseError(
500,
"Tried to send member event through non-member codepath"
)
user = UserID.from_string(event.sender)
assert self.hs.is_mine(user), "User must be our own: %s" % (user,)
if ratelimit:
self.ratelimit(event.sender)
if event.is_state():
prev_state = context.current_state.get((event.type, event.state_key))
if prev_state and event.user_id == prev_state.user_id:
prev_content = encode_canonical_json(prev_state.content)
next_content = encode_canonical_json(event.content)
if prev_content == next_content:
# Duplicate suppression for state updates with same sender
# and content.
prev_state = self.deduplicate_state_event(event, context)
if prev_state is not None:
defer.returnValue(prev_state)
if event.type == EventTypes.Member:
member_handler = self.hs.get_handlers().room_member_handler
yield member_handler.send_membership_event(event, context, is_guest=is_guest)
else:
yield self.handle_new_client_event(
event=event,
context=context,
ratelimit=ratelimit,
)
if event.type == EventTypes.Message:
@ -257,24 +252,43 @@ class MessageHandler(BaseHandler):
with PreserveLoggingContext():
presence.bump_presence_active_time(user)
def deduplicate_state_event(self, event, context):
"""
Checks whether event is in the latest resolved state in context.
If so, returns the version of the event in context.
Otherwise, returns None.
"""
prev_event = context.current_state.get((event.type, event.state_key))
if prev_event and event.user_id == prev_event.user_id:
prev_content = encode_canonical_json(prev_event.content)
next_content = encode_canonical_json(event.content)
if prev_content == next_content:
return prev_event
return None
@defer.inlineCallbacks
def create_and_send_event(self, event_dict, ratelimit=True,
token_id=None, txn_id=None, is_guest=False):
def create_and_send_nonmember_event(
self,
event_dict,
ratelimit=True,
token_id=None,
txn_id=None
):
"""
Creates an event, then sends it.
See self.create_event and self.send_event.
See self.create_event and self.send_nonmember_event.
"""
event, context = yield self.create_event(
event_dict,
token_id=token_id,
txn_id=txn_id
)
yield self.send_event(
yield self.send_nonmember_event(
event,
context,
ratelimit=ratelimit,
is_guest=is_guest
)
defer.returnValue(event)

28
synapse/handlers/profile.py
View File

@ -16,8 +16,7 @@
from twisted.internet import defer
from synapse.api.errors import SynapseError, AuthError, CodeMessageException
from synapse.api.constants import EventTypes, Membership
from synapse.types import UserID
from synapse.types import UserID, Requester
from synapse.util import unwrapFirstError
from ._base import BaseHandler
@ -208,21 +207,18 @@ class ProfileHandler(BaseHandler):
)
for j in joins:
content = {
"membership": Membership.JOIN,
}
yield collect_presencelike_data(self.distributor, user, content)
msg_handler = self.hs.get_handlers().message_handler
handler = self.hs.get_handlers().room_member_handler
try:
yield msg_handler.create_and_send_event({
"type": EventTypes.Member,
"room_id": j.room_id,
"state_key": user.to_string(),
"content": content,
"sender": user.to_string()
}, ratelimit=False)
# Assume the user isn't a guest because we don't let guests set
# profile or avatar data.
requester = Requester(user, "", False)
yield handler.update_membership(
requester,
user,
j.room_id,
"join", # We treat a profile update like a join.
ratelimit=False, # Try to hide that these events aren't atomic.
)
except Exception as e:
logger.warn(
"Failed to update join event for room %s - %s",

472
synapse/handlers/room.py
View File

@ -24,7 +24,6 @@ from synapse.api.constants import (
)
from synapse.api.errors import AuthError, StoreError, SynapseError, Codes
from synapse.util import stringutils, unwrapFirstError
from synapse.util.async import run_on_reactor
from synapse.util.logcontext import preserve_context_over_fn
from signedjson.sign import verify_signed_json
@ -42,10 +41,6 @@ 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 preserve_context_over_fn(
distributor.fire,
@ -173,9 +168,14 @@ class RoomCreationHandler(BaseHandler):
creation_content = config.get("creation_content", {})
user = UserID.from_string(user_id)
creation_events = self._create_events_for_new_room(
user, room_id,
msg_handler = self.hs.get_handlers().message_handler
room_member_handler = self.hs.get_handlers().room_member_handler
yield self._send_events_for_new_room(
requester,
room_id,
msg_handler,
room_member_handler,
preset_config=preset_config,
invite_list=invite_list,
initial_state=initial_state,
@ -183,14 +183,9 @@ class RoomCreationHandler(BaseHandler):
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({
yield msg_handler.create_and_send_nonmember_event({
"type": EventTypes.Name,
"room_id": room_id,
"sender": user_id,
@ -200,7 +195,7 @@ class RoomCreationHandler(BaseHandler):
if "topic" in config:
topic = config["topic"]
yield msg_handler.create_and_send_event({
yield msg_handler.create_and_send_nonmember_event({
"type": EventTypes.Topic,
"room_id": room_id,
"sender": user_id,
@ -209,13 +204,13 @@ class RoomCreationHandler(BaseHandler):
}, 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)
room_member_handler.update_membership(
requester,
UserID.from_string(invitee),
room_id,
"invite",
ratelimit=False,
)
for invite_3pid in invite_3pid_list:
id_server = invite_3pid["id_server"]
@ -223,11 +218,11 @@ class RoomCreationHandler(BaseHandler):
medium = invite_3pid["medium"]
yield self.hs.get_handlers().room_member_handler.do_3pid_invite(
room_id,
user,
requester.user,
medium,
address,
id_server,
token_id=None,
requester,
txn_id=None,
)
@ -241,19 +236,19 @@ class RoomCreationHandler(BaseHandler):
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": "",
}
@defer.inlineCallbacks
def _send_events_for_new_room(
self,
creator, # A Requester object.
room_id,
msg_handler,
room_member_handler,
preset_config,
invite_list,
initial_state,
creation_content,
room_alias
):
def create(etype, content, **kwargs):
e = {
"type": etype,
@ -265,26 +260,39 @@ class RoomCreationHandler(BaseHandler):
return e
creation_content.update({"creator": creator.to_string()})
creation_event = create(
@defer.inlineCallbacks
def send(etype, content, **kwargs):
event = create(etype, content, **kwargs)
yield msg_handler.create_and_send_nonmember_event(event, ratelimit=False)
config = RoomCreationHandler.PRESETS_DICT[preset_config]
creator_id = creator.user.to_string()
event_keys = {
"room_id": room_id,
"sender": creator_id,
"state_key": "",
}
creation_content.update({"creator": creator_id})
yield send(
etype=EventTypes.Create,
content=creation_content,
)
join_event = create(
etype=EventTypes.Member,
state_key=creator_id,
content={
"membership": Membership.JOIN,
},
yield room_member_handler.update_membership(
creator,
creator.user,
room_id,
"join",
ratelimit=False,
)
returned_events = [creation_event, join_event]
if (EventTypes.PowerLevels, '') not in initial_state:
power_level_content = {
"users": {
creator.to_string(): 100,
creator_id: 100,
},
"users_default": 0,
"events": {
@ -306,45 +314,35 @@ class RoomCreationHandler(BaseHandler):
for invitee in invite_list:
power_level_content["users"][invitee] = 100
power_levels_event = create(
yield send(
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(
yield send(
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(
yield send(
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(
yield send(
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(
yield send(
etype=etype,
state_key=state_key,
content=content,
))
return returned_events
)
class RoomMemberHandler(BaseHandler):
@ -392,7 +390,16 @@ class RoomMemberHandler(BaseHandler):
remotedomains.add(member.domain)
@defer.inlineCallbacks
def update_membership(self, requester, target, room_id, action, txn_id=None):
def update_membership(
self,
requester,
target,
room_id,
action,
txn_id=None,
remote_room_hosts=None,
ratelimit=True,
):
effective_membership_state = action
if action in ["kick", "unban"]:
effective_membership_state = "leave"
@ -401,7 +408,7 @@ class RoomMemberHandler(BaseHandler):
msg_handler = self.hs.get_handlers().message_handler
content = {"membership": unicode(effective_membership_state)}
content = {"membership": effective_membership_state}
if requester.is_guest:
content["kind"] = "guest"
@ -412,6 +419,9 @@ class RoomMemberHandler(BaseHandler):
"room_id": room_id,
"sender": requester.user.to_string(),
"state_key": target.to_string(),
# For backwards compatibility:
"membership": effective_membership_state,
},
token_id=requester.access_token_id,
txn_id=txn_id,
@ -432,90 +442,165 @@ class RoomMemberHandler(BaseHandler):
errcode=Codes.BAD_STATE
)
yield msg_handler.send_event(
member_handler = self.hs.get_handlers().room_member_handler
yield member_handler.send_membership_event(
event,
context,
ratelimit=True,
is_guest=requester.is_guest
is_guest=requester.is_guest,
ratelimit=ratelimit,
remote_room_hosts=remote_room_hosts,
from_client=True,
)
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.
def send_membership_event(
self,
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:
event (SynapseEvent): The membership event
event (SynapseEvent): The membership event.
context: The context of the event.
is_guest (bool): Whether the sender is a guest.
room_hosts ([str]): Homeservers which are likely to already be in
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.
"""
target_user_id = event.state_key
prev_state = context.current_state.get(
(EventTypes.Member, target_user_id),
None
)
target_user = UserID.from_string(event.state_key)
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 from_client:
sender = UserID.from_string(event.sender)
assert self.hs.is_mine(sender), "Sender must be our own: %s" % (sender,)
message_handler = self.hs.get_handlers().message_handler
prev_event = message_handler.deduplicate_state_event(event, context)
if prev_event is not None:
return
action = "send"
if event.membership == Membership.JOIN:
if is_guest:
guest_access = context.current_state.get(
(EventTypes.GuestAccess, ""),
if 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")
do_remote_join_dance, remote_room_hosts = self._should_do_dance(
context,
(self.get_inviter(event.state_key, context.current_state)),
remote_room_hosts,
)
if do_remote_join_dance:
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"
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":
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],
room_id,
event.user_id
)
else:
yield self.handle_new_client_event(
event,
context,
extra_users=[target_user],
ratelimit=ratelimit,
)
prev_member_event = context.current_state.get(
(EventTypes.Member, target_user.to_string()),
None
)
is_guest_access_allowed = (
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"
)
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
def _should_do_dance(self, context, inviter, room_hosts=None):
# TODO: Shouldn't this be remote_room_host?
room_hosts = room_hosts or []
# 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
is_host_in_room = self.is_host_in_room(context.current_state)
if is_host_in_room:
return False, room_hosts
yield self._do_local_membership_update(
event,
context=context,
)
if inviter and not self.hs.is_mine(inviter):
room_hosts.append(inviter.domain)
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})
return True, room_hosts
@defer.inlineCallbacks
def join_room_alias(self, joinee, room_alias, content={}):
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)
@ -523,111 +608,15 @@ class RoomMemberHandler(BaseHandler):
raise SynapseError(404, "No such room alias")
room_id = mapping["room_id"]
hosts = mapping["servers"]
if not hosts:
raise SynapseError(404, "No known servers")
servers = mapping["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
)
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:
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)
return UserID.from_string(prev_state.user_id)
return None
@defer.inlineCallbacks
def get_joined_rooms_for_user(self, user):
@ -644,18 +633,6 @@ class RoomMemberHandler(BaseHandler):
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,
@ -664,7 +641,7 @@ class RoomMemberHandler(BaseHandler):
medium,
address,
id_server,
token_id,
requester,
txn_id
):
invitee = yield self._lookup_3pid(
@ -672,19 +649,12 @@ class RoomMemberHandler(BaseHandler):
)
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,
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:
@ -694,7 +664,7 @@ class RoomMemberHandler(BaseHandler):
address,
room_id,
inviter,
token_id,
requester.access_token_id,
txn_id=txn_id
)
@ -805,7 +775,7 @@ class RoomMemberHandler(BaseHandler):
)
)
msg_handler = self.hs.get_handlers().message_handler
yield msg_handler.create_and_send_event(
yield msg_handler.create_and_send_nonmember_event(
{
"type": EventTypes.ThirdPartyInvite,
"content": {

76
synapse/rest/client/v1/room.py
View File

@ -150,10 +150,21 @@ class RoomStateEventRestServlet(ClientV1RestServlet):
event_dict["state_key"] = state_key
msg_handler = self.handlers.message_handler
event = yield msg_handler.create_and_send_event(
event_dict, token_id=requester.access_token_id, txn_id=txn_id,
event, context = yield msg_handler.create_event(
event_dict,
token_id=requester.access_token_id,
txn_id=txn_id,
)
if event_type == EventTypes.Member:
yield self.handlers.room_member_handler.send_membership_event(
event,
context,
is_guest=requester.is_guest,
)
else:
yield msg_handler.send_nonmember_event(event, context)
defer.returnValue((200, {"event_id": event.event_id}))
@ -171,7 +182,7 @@ class RoomSendEventRestServlet(ClientV1RestServlet):
content = _parse_json(request)
msg_handler = self.handlers.message_handler
event = yield msg_handler.create_and_send_event(
event = yield msg_handler.create_and_send_nonmember_event(
{
"type": event_type,
"content": content,
@ -217,46 +228,29 @@ class JoinRoomAliasServlet(ClientV1RestServlet):
allow_guest=True,
)
# the identifier could be a room alias or a room id. Try one then the
# other if it fails to parse, without swallowing other valid
# SynapseErrors.
identifier = None
is_room_alias = False
try:
identifier = RoomAlias.from_string(room_identifier)
is_room_alias = True
except SynapseError:
identifier = RoomID.from_string(room_identifier)
# TODO: Support for specifying the home server to join with?
if is_room_alias:
if RoomID.is_valid(room_identifier):
room_id = room_identifier
remote_room_hosts = None
elif RoomAlias.is_valid(room_identifier):
handler = self.handlers.room_member_handler
ret_dict = yield handler.join_room_alias(
requester.user,
identifier,
)
defer.returnValue((200, ret_dict))
else: # room id
msg_handler = self.handlers.message_handler
content = {"membership": Membership.JOIN}
if requester.is_guest:
content["kind"] = "guest"
yield msg_handler.create_and_send_event(
{
"type": EventTypes.Member,
"content": content,
"room_id": identifier.to_string(),
"sender": requester.user.to_string(),
"state_key": requester.user.to_string(),
},
token_id=requester.access_token_id,
room_alias = RoomAlias.from_string(room_identifier)
room_id, remote_room_hosts = yield handler.lookup_room_alias(room_alias)
room_id = room_id.to_string()
else:
raise SynapseError(400, "%s was not legal room ID or room alias" % (
room_identifier,
))
yield self.handlers.room_member_handler.update_membership(
requester=requester,
target=requester.user,
room_id=room_id,
action="join",
txn_id=txn_id,
is_guest=requester.is_guest,
remote_room_hosts=remote_room_hosts,
)
defer.returnValue((200, {"room_id": identifier.to_string()}))
defer.returnValue((200, {"room_id": room_id}))
@defer.inlineCallbacks
def on_PUT(self, request, room_identifier, txn_id):
@ -451,7 +445,7 @@ class RoomMembershipRestServlet(ClientV1RestServlet):
content["medium"],
content["address"],
content["id_server"],
requester.access_token_id,
requester,
txn_id
)
defer.returnValue((200, {}))
@ -507,7 +501,7 @@ class RoomRedactEventRestServlet(ClientV1RestServlet):
content = _parse_json(request)
msg_handler = self.handlers.message_handler
event = yield msg_handler.create_and_send_event(
event = yield msg_handler.create_and_send_nonmember_event(
{
"type": EventTypes.Redaction,
"content": content,

8
synapse/storage/event_federation.py
View File

@ -114,10 +114,10 @@ class EventFederationStore(SQLBaseStore):
retcol="event_id",
)
def get_latest_events_in_room(self, room_id):
def get_latest_event_ids_and_hashes_in_room(self, room_id):
return self.runInteraction(
"get_latest_events_in_room",
self._get_latest_events_in_room,
"get_latest_event_ids_and_hashes_in_room",
self._get_latest_event_ids_and_hashes_in_room,
room_id,
)
@ -132,7 +132,7 @@ class EventFederationStore(SQLBaseStore):
desc="get_latest_event_ids_in_room",
)
def _get_latest_events_in_room(self, txn, room_id):
def _get_latest_event_ids_and_hashes_in_room(self, txn, room_id):
sql = (
"SELECT e.event_id, e.depth FROM events as e "
"INNER JOIN event_forward_extremities as f "

8
synapse/types.py
View File

@ -73,6 +73,14 @@ class DomainSpecificString(
"""Return a string encoding the fields of the structure object."""
return "%s%s:%s" % (self.SIGIL, self.localpart, self.domain)
@classmethod
def is_valid(cls, s):
try:
cls.from_string(s)
return True
except:
return False
__str__ = to_string
@classmethod