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Merge pull request #2443 from matrix-org/erikj/rejoin_device_lists

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Send down device list change notif when member leaves/rejoins room
This commit is contained in:
Erik Johnston 2017-09-18 13:17:53 +01:00 committed by GitHub
commit 993d3f710b
4 changed files with 152 additions and 28 deletions
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53
synapse/handlers/device.py
View file

@ -270,6 +270,8 @@ class DeviceHandler(BaseHandler):
user_id (str)
from_token (StreamToken)
"""
now_token = yield self.hs.get_event_sources().get_current_token()
room_ids = yield self.store.get_rooms_for_user(user_id)
# First we check if any devices have changed
@ -280,11 +282,24 @@ class DeviceHandler(BaseHandler):
# Then work out if any users have since joined
rooms_changed = self.store.get_rooms_that_changed(room_ids, from_token.room_key)
member_events = yield self.store.get_membership_changes_for_user(
user_id, from_token.room_key, now_token.room_key
)
rooms_changed.update(event.room_id for event in member_events)
stream_ordering = RoomStreamToken.parse_stream_token(
from_token.room_key).stream
from_token.room_key
).stream
possibly_changed = set(changed)
possibly_left_rooms = set()
for room_id in rooms_changed:
# The user may have left the room
# TODO: Check if they actually did or if we were just invited.
if room_id not in room_ids:
possibly_left_rooms.add(room_id)
continue
# Fetch the current state at the time.
try:
event_ids = yield self.store.get_forward_extremeties_for_room(
@ -307,9 +322,25 @@ class DeviceHandler(BaseHandler):
possibly_changed.add(state_key)
continue
current_member_id = current_state_ids.get((EventTypes.Member, user_id))
if not current_member_id:
continue
# mapping from event_id -> state_dict
prev_state_ids = yield self.store.get_state_ids_for_events(event_ids)
# Check if we've joined the room? If so we just blindly add all the users to
# the "possibly changed" users.
for state_dict in prev_state_ids.itervalues():
member_event = state_dict.get((EventTypes.Member, user_id), None)
if not member_event or member_event != current_member_id:
for key, event_id in current_state_ids.iteritems():
etype, state_key = key
if etype != EventTypes.Member:
continue
possibly_changed.add(state_key)
break
# If there has been any change in membership, include them in the
# possibly changed list. We'll check if they are joined below,
# and we're not toooo worried about spuriously adding users.
@ -320,19 +351,35 @@ class DeviceHandler(BaseHandler):
# check if this member has changed since any of the extremities
# at the stream_ordering, and add them to the list if so.
for state_dict in prev_state_ids.values():
for state_dict in prev_state_ids.itervalues():
prev_event_id = state_dict.get(key, None)
if not prev_event_id or prev_event_id != event_id:
possibly_changed.add(state_key)
if state_key == user_id:
for key, event_id in current_state_ids.iteritems():
etype, state_key = key
if etype != EventTypes.Member:
continue
possibly_changed.add(room_id)
break
if possibly_changed:
users_who_share_room = yield self.store.get_users_who_share_room_with_user(
user_id
)
# Take the intersection of the users whose devices may have changed
# and those that actually still share a room with the user
defer.returnValue(users_who_share_room & possibly_changed)
possibly_joined = possibly_changed & users_who_share_room
possibly_left = possibly_changed - users_who_share_room
else:
possibly_joined = []
possibly_left = []
defer.returnValue({
"changed": list(possibly_joined),
"left": list(possibly_left),
})
@defer.inlineCallbacks
def on_federation_query_user_devices(self, user_id):

108
synapse/handlers/sync.py
View file

@ -108,6 +108,16 @@ class InvitedSyncResult(collections.namedtuple("InvitedSyncResult", [
return True
class DeviceLists(collections.namedtuple("DeviceLists", [
"changed", # list of user_ids whose devices may have changed
"left", # list of user_ids whose devices we no longer track
])):
__slots__ = []
def __nonzero__(self):
return bool(self.changed or self.left)
class SyncResult(collections.namedtuple("SyncResult", [
"next_batch", # Token for the next sync
"presence", # List of presence events for the user.
@ -535,7 +545,8 @@ class SyncHandler(object):
res = yield self._generate_sync_entry_for_rooms(
sync_result_builder, account_data_by_room
)
newly_joined_rooms, newly_joined_users = res
newly_joined_rooms, newly_joined_users, _, _ = res
_, _, newly_left_rooms, newly_left_users = res
block_all_presence_data = (
since_token is None and
@ -549,7 +560,11 @@ class SyncHandler(object):
yield self._generate_sync_entry_for_to_device(sync_result_builder)
device_lists = yield self._generate_sync_entry_for_device_list(
sync_result_builder
sync_result_builder,
newly_joined_rooms=newly_joined_rooms,
newly_joined_users=newly_joined_users,
newly_left_rooms=newly_left_rooms,
newly_left_users=newly_left_users,
)
device_id = sync_config.device_id
@ -574,7 +589,9 @@ class SyncHandler(object):
@measure_func("_generate_sync_entry_for_device_list")
@defer.inlineCallbacks
def _generate_sync_entry_for_device_list(self, sync_result_builder):
def _generate_sync_entry_for_device_list(self, sync_result_builder,
newly_joined_rooms, newly_joined_users,
newly_left_rooms, newly_left_users):
user_id = sync_result_builder.sync_config.user.to_string()
since_token = sync_result_builder.since_token
@ -582,16 +599,40 @@ class SyncHandler(object):
changed = yield self.store.get_user_whose_devices_changed(
since_token.device_list_key
)
if not changed:
defer.returnValue([])
# TODO: Be more clever than this, i.e. remove users who we already
# share a room with?
for room_id in newly_joined_rooms:
joined_users = yield self.state.get_current_user_in_room(room_id)
newly_joined_users.update(joined_users)
for room_id in newly_left_rooms:
left_users = yield self.state.get_current_user_in_room(room_id)
newly_left_users.update(left_users)
# TODO: Check that these users are actually new, i.e. either they
# weren't in the previous sync *or* they left and rejoined.
changed.update(newly_joined_users)
if not changed and not newly_left_users:
defer.returnValue(DeviceLists(
changed=[],
left=newly_left_users,
))
users_who_share_room = yield self.store.get_users_who_share_room_with_user(
user_id
)
defer.returnValue(users_who_share_room & changed)
defer.returnValue(DeviceLists(
changed=users_who_share_room & changed,
left=set(newly_left_users) - users_who_share_room,
))
else:
defer.returnValue([])
defer.returnValue(DeviceLists(
changed=[],
left=[],
))
@defer.inlineCallbacks
def _generate_sync_entry_for_to_device(self, sync_result_builder):
@ -755,8 +796,8 @@ class SyncHandler(object):
account_data_by_room(dict): Dictionary of per room account data
Returns:
Deferred(tuple): Returns a 2-tuple of
`(newly_joined_rooms, newly_joined_users)`
Deferred(tuple): Returns a 4-tuple of
`(newly_joined_rooms, newly_joined_users, newly_left_rooms, newly_left_users)`
"""
user_id = sync_result_builder.sync_config.user.to_string()
block_all_room_ephemeral = (
@ -787,7 +828,7 @@ class SyncHandler(object):
)
if not tags_by_room:
logger.debug("no-oping sync")
defer.returnValue(([], []))
defer.returnValue(([], [], [], []))
ignored_account_data = yield self.store.get_global_account_data_by_type_for_user(
"m.ignored_user_list", user_id=user_id,
@ -800,7 +841,7 @@ class SyncHandler(object):
if since_token:
res = yield self._get_rooms_changed(sync_result_builder, ignored_users)
room_entries, invited, newly_joined_rooms = res
room_entries, invited, newly_joined_rooms, newly_left_rooms = res
tags_by_room = yield self.store.get_updated_tags(
user_id, since_token.account_data_key,
@ -808,6 +849,7 @@ class SyncHandler(object):
else:
res = yield self._get_all_rooms(sync_result_builder, ignored_users)
room_entries, invited, newly_joined_rooms = res
newly_left_rooms = []
tags_by_room = yield self.store.get_tags_for_user(user_id)
@ -828,17 +870,30 @@ class SyncHandler(object):
# Now we want to get any newly joined users
newly_joined_users = set()
newly_left_users = set()
if since_token:
for joined_sync in sync_result_builder.joined:
it = itertools.chain(
joined_sync.timeline.events, joined_sync.state.values()
joined_sync.timeline.events, joined_sync.state.itervalues()
)
for event in it:
if event.type == EventTypes.Member:
if event.membership == Membership.JOIN:
newly_joined_users.add(event.state_key)
else:
prev_content = event.unsigned.get("prev_content", {})
prev_membership = prev_content.get("membership", None)
if prev_membership == Membership.JOIN:
newly_left_users.add(event.state_key)
defer.returnValue((newly_joined_rooms, newly_joined_users))
newly_left_users -= newly_joined_users
defer.returnValue((
newly_joined_rooms,
newly_joined_users,
newly_left_rooms,
newly_left_users,
))
@defer.inlineCallbacks
def _have_rooms_changed(self, sync_result_builder):
@ -908,15 +963,17 @@ class SyncHandler(object):
mem_change_events_by_room_id.setdefault(event.room_id, []).append(event)
newly_joined_rooms = []
newly_left_rooms = []
room_entries = []
invited = []
for room_id, events in mem_change_events_by_room_id.items():
for room_id, events in mem_change_events_by_room_id.iteritems():
non_joins = [e for e in events if e.membership != Membership.JOIN]
has_join = len(non_joins) != len(events)
# We want to figure out if we joined the room at some point since
# the last sync (even if we have since left). This is to make sure
# we do send down the room, and with full state, where necessary
old_state_ids = None
if room_id in joined_room_ids or has_join:
old_state_ids = yield self.get_state_at(room_id, since_token)
old_mem_ev_id = old_state_ids.get((EventTypes.Member, user_id), None)
@ -934,6 +991,26 @@ class SyncHandler(object):
if not non_joins:
continue
# Check if we have left the room. This can either be because we were
# joined before *or* that we since joined and then left.
if events[-1].membership != Membership.JOIN:
if has_join:
newly_left_rooms.append(room_id)
else:
if not old_state_ids:
old_state_ids = yield self.get_state_at(room_id, since_token)
old_mem_ev_id = old_state_ids.get(
(EventTypes.Member, user_id),
None,
)
old_mem_ev = None
if old_mem_ev_id:
old_mem_ev = yield self.store.get_event(
old_mem_ev_id, allow_none=True
)
if old_mem_ev and old_mem_ev.membership == Membership.JOIN:
newly_left_rooms.append(room_id)
# Only bother if we're still currently invited
should_invite = non_joins[-1].membership == Membership.INVITE
if should_invite:
@ -1011,7 +1088,7 @@ class SyncHandler(object):
upto_token=since_token,
))
defer.returnValue((room_entries, invited, newly_joined_rooms))
defer.returnValue((room_entries, invited, newly_joined_rooms, newly_left_rooms))
@defer.inlineCallbacks
def _get_all_rooms(self, sync_result_builder, ignored_users):
@ -1259,6 +1336,7 @@ class SyncResultBuilder(object):
self.invited = []
self.archived = []
self.device = []
self.to_device = []
class RoomSyncResultBuilder(object):

6
synapse/rest/client/v2_alpha/keys.py
View file

@ -188,13 +188,11 @@ class KeyChangesServlet(RestServlet):
user_id = requester.user.to_string()
changed = yield self.device_handler.get_user_ids_changed(
results = yield self.device_handler.get_user_ids_changed(
user_id, from_token,
)
defer.returnValue((200, {
"changed": list(changed),
}))
defer.returnValue((200, results))
class OneTimeKeyServlet(RestServlet):

3
synapse/rest/client/v2_alpha/sync.py
View file

@ -189,7 +189,8 @@ class SyncRestServlet(RestServlet):
"account_data": {"events": sync_result.account_data},
"to_device": {"events": sync_result.to_device},
"device_lists": {
"changed": list(sync_result.device_lists),
"changed": list(sync_result.device_lists.changed),
"left": list(sync_result.device_lists.left),
},
"presence": SyncRestServlet.encode_presence(
sync_result.presence, time_now