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Merge pull request #1047 from matrix-org/erikj/state_ids

Browse source 
Avoid pulling the full state of a room out so often.
This commit is contained in:
Erik Johnston 2016-08-26 13:41:57 +01:00 committed by GitHub
commit c943d8d2e8
22 changed files with 822 additions and 417 deletions
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88
synapse/api/auth.py
View file

@ -52,7 +52,7 @@ class Auth(object):
self.state = hs.get_state_handler()
self.TOKEN_NOT_FOUND_HTTP_STATUS = 401
# Docs for these currently lives at
# https://github.com/matrix-org/matrix-doc/blob/master/drafts/macaroons_caveats.rst
# github.com/matrix-org/matrix-doc/blob/master/drafts/macaroons_caveats.rst
# In addition, we have type == delete_pusher which grants access only to
# delete pushers.
self._KNOWN_CAVEAT_PREFIXES = set([
@ -63,6 +63,17 @@ class Auth(object):
"user_id = ",
])
@defer.inlineCallbacks
def check_from_context(self, event, context, do_sig_check=True):
auth_events_ids = yield self.compute_auth_events(
event, context.current_state_ids, for_verification=True,
)
auth_events = yield self.store.get_events(auth_events_ids)
auth_events = {
(e.type, e.state_key): e for e in auth_events.values()
}
self.check(event, auth_events=auth_events, do_sig_check=False)
def check(self, event, auth_events, do_sig_check=True):
""" Checks if this event is correctly authed.
@ -267,21 +278,15 @@ class Auth(object):
@defer.inlineCallbacks
def check_host_in_room(self, room_id, host):
curr_state = yield self.state.get_current_state(room_id)
with Measure(self.clock, "check_host_in_room"):
latest_event_ids = yield self.store.get_latest_event_ids_in_room(room_id)
for event in curr_state.values():
if event.type == EventTypes.Member:
try:
if get_domain_from_id(event.state_key) != host:
continue
except:
logger.warn("state_key not user_id: %s", event.state_key)
continue
group, curr_state_ids = yield self.state.resolve_state_groups(
room_id, latest_event_ids
)
if event.content["membership"] == Membership.JOIN:
defer.returnValue(True)
defer.returnValue(False)
ret = yield self.store.is_host_joined(room_id, host, group, curr_state_ids)
defer.returnValue(ret)
def check_event_sender_in_room(self, event, auth_events):
key = (EventTypes.Member, event.user_id, )
@ -847,7 +852,7 @@ class Auth(object):
@defer.inlineCallbacks
def add_auth_events(self, builder, context):
auth_ids = self.compute_auth_events(builder, context.current_state)
auth_ids = yield self.compute_auth_events(builder, context.current_state_ids)
auth_events_entries = yield self.store.add_event_hashes(
auth_ids
@ -855,30 +860,32 @@ class Auth(object):
builder.auth_events = auth_events_entries
def compute_auth_events(self, event, current_state):
@defer.inlineCallbacks
def compute_auth_events(self, event, current_state_ids, for_verification=False):
if event.type == EventTypes.Create:
return []
defer.returnValue([])
auth_ids = []
key = (EventTypes.PowerLevels, "", )
power_level_event = current_state.get(key)
power_level_event_id = current_state_ids.get(key)
if power_level_event:
auth_ids.append(power_level_event.event_id)
if power_level_event_id:
auth_ids.append(power_level_event_id)
key = (EventTypes.JoinRules, "", )
join_rule_event = current_state.get(key)
join_rule_event_id = current_state_ids.get(key)
key = (EventTypes.Member, event.user_id, )
member_event = current_state.get(key)
member_event_id = current_state_ids.get(key)
key = (EventTypes.Create, "", )
create_event = current_state.get(key)
if create_event:
auth_ids.append(create_event.event_id)
create_event_id = current_state_ids.get(key)
if create_event_id:
auth_ids.append(create_event_id)
if join_rule_event:
if join_rule_event_id:
join_rule_event = yield self.store.get_event(join_rule_event_id)
join_rule = join_rule_event.content.get("join_rule")
is_public = join_rule == JoinRules.PUBLIC if join_rule else False
else:
@ -887,15 +894,21 @@ class Auth(object):
if event.type == EventTypes.Member:
e_type = event.content["membership"]
if e_type in [Membership.JOIN, Membership.INVITE]:
if join_rule_event:
auth_ids.append(join_rule_event.event_id)
if join_rule_event_id:
auth_ids.append(join_rule_event_id)
if e_type == Membership.JOIN:
if member_event and not is_public:
auth_ids.append(member_event.event_id)
if member_event_id and not is_public:
auth_ids.append(member_event_id)
else:
if member_event:
auth_ids.append(member_event.event_id)
if member_event_id:
auth_ids.append(member_event_id)
if for_verification:
key = (EventTypes.Member, event.state_key, )
existing_event_id = current_state_ids.get(key)
if existing_event_id:
auth_ids.append(existing_event_id)
if e_type == Membership.INVITE:
if "third_party_invite" in event.content:
@ -903,14 +916,15 @@ class Auth(object):
EventTypes.ThirdPartyInvite,
event.content["third_party_invite"]["signed"]["token"]
)
third_party_invite = current_state.get(key)
if third_party_invite:
auth_ids.append(third_party_invite.event_id)
elif member_event:
third_party_invite_id = current_state_ids.get(key)
if third_party_invite_id:
auth_ids.append(third_party_invite_id)
elif member_event_id:
member_event = yield self.store.get_event(member_event_id)
if member_event.content["membership"] == Membership.JOIN:
auth_ids.append(member_event.event_id)
return auth_ids
defer.returnValue(auth_ids)
def _get_send_level(self, etype, state_key, auth_events):
key = (EventTypes.PowerLevels, "", )

2
synapse/events/__init__.py
View file

@ -99,7 +99,7 @@ class EventBase(object):
return d
def get(self, key, default):
def get(self, key, default=None):
return self._event_dict.get(key, default)
def get_internal_metadata_dict(self):

5
synapse/events/snapshot.py
View file

@ -15,9 +15,8 @@
class EventContext(object):
def __init__(self, current_state=None):
self.current_state = current_state
def __init__(self, current_state_ids=None):
self.current_state_ids = current_state_ids
self.state_group = None
self.rejected = False
self.push_actions = []

30
synapse/handlers/_base.py
View file

@ -65,33 +65,21 @@ class BaseHandler(object):
retry_after_ms=int(1000 * (time_allowed - time_now)),
)
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 (
self.hs.is_mine_id(state_key)
and membership == Membership.JOIN
):
return True
return False
@defer.inlineCallbacks
def maybe_kick_guest_users(self, event, current_state):
def maybe_kick_guest_users(self, event, context=None):
# Technically this function invalidates current_state by changing it.
# Hopefully this isn't that important to the caller.
if event.type == EventTypes.GuestAccess:
guest_access = event.content.get("guest_access", "forbidden")
if guest_access != "can_join":
if context:
current_state = yield self.store.get_events(
context.current_state_ids.values()
)
current_state = current_state.values()
else:
current_state = yield self.store.get_current_state(event.room_id)
logger.info("maybe_kick_guest_users %r", current_state)
yield self.kick_guest_users(current_state)
@defer.inlineCallbacks

152
synapse/handlers/federation.py
View file

@ -29,6 +29,7 @@ from synapse.util import unwrapFirstError
from synapse.util.logcontext import (
PreserveLoggingContext, preserve_fn, preserve_context_over_deferred
)
from synapse.util.metrics import measure_func
from synapse.util.logutils import log_function
from synapse.util.async import run_on_reactor
from synapse.util.frozenutils import unfreeze
@ -217,17 +218,28 @@ class FederationHandler(BaseHandler):
if event.type == EventTypes.Member:
if event.membership == Membership.JOIN:
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.
# 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.
newly_joined = True
prev_state_id = context.current_state_ids.get(
(event.type, event.state_key)
)
if prev_state_id:
prev_state = yield self.store.get_event(
prev_state_id, allow_none=True,
)
if prev_state and prev_state.membership == Membership.JOIN:
newly_joined = False
if newly_joined:
user = UserID.from_string(event.state_key)
yield user_joined_room(self.distributor, user, event.room_id)
@measure_func("_filter_events_for_server")
@defer.inlineCallbacks
def _filter_events_for_server(self, server_name, room_id, events):
event_to_state = yield self.store.get_state_for_events(
event_to_state_ids = yield self.store.get_state_ids_for_events(
frozenset(e.event_id for e in events),
types=(
(EventTypes.RoomHistoryVisibility, ""),
@ -235,6 +247,30 @@ class FederationHandler(BaseHandler):
)
)
# We only want to pull out member events that correspond to the
# server's domain.
def check_match(id):
try:
return server_name == get_domain_from_id(id)
except:
return False
event_map = yield self.store.get_events([
e_id for key_to_eid in event_to_state_ids.values()
for key, e_id in key_to_eid
if key[0] != EventTypes.Member or check_match(key[1])
])
event_to_state = {
e_id: {
key: event_map[inner_e_id]
for key, inner_e_id in key_to_eid.items()
if inner_e_id in event_map
}
for e_id, key_to_eid in event_to_state_ids.items()
}
def redact_disallowed(event, state):
if not state:
return event
@ -562,6 +598,18 @@ class FederationHandler(BaseHandler):
]))
states = dict(zip(event_ids, [s[1] for s in states]))
state_map = yield self.store.get_events(
[e_id for ids in states.values() for e_id in ids],
get_prev_content=False
)
states = {
key: {
k: state_map[e_id]
for k, e_id in state_dict.items()
if e_id in state_map
} for key, state_dict in states.items()
}
for e_id, _ in sorted_extremeties_tuple:
likely_domains = get_domains_from_state(states[e_id])
@ -724,7 +772,7 @@ class FederationHandler(BaseHandler):
# The remote hasn't signed it yet, obviously. We'll do the full checks
# when we get the event back in `on_send_join_request`
self.auth.check(event, auth_events=context.current_state, do_sig_check=False)
yield self.auth.check_from_context(event, context, do_sig_check=False)
defer.returnValue(event)
@ -772,18 +820,11 @@ class FederationHandler(BaseHandler):
new_pdu = event
destinations = set()
for k, s in context.current_state.items():
try:
if k[0] == EventTypes.Member:
if s.content["membership"] == Membership.JOIN:
destinations.add(get_domain_from_id(s.state_key))
except:
logger.warn(
"Failed to get destination from event %s", s.event_id
)
message_handler = self.hs.get_handlers().message_handler
destinations = yield message_handler.get_joined_hosts_for_room_from_state(
context
)
destinations = set(destinations)
destinations.discard(origin)
logger.debug(
@ -794,13 +835,15 @@ class FederationHandler(BaseHandler):
self.replication_layer.send_pdu(new_pdu, destinations)
state_ids = [e.event_id for e in context.current_state.values()]
state_ids = context.current_state_ids.values()
auth_chain = yield self.store.get_auth_chain(set(
[event.event_id] + state_ids
))
state = yield self.store.get_events(context.current_state_ids.values())
defer.returnValue({
"state": context.current_state.values(),
"state": state.values(),
"auth_chain": auth_chain,
})
@ -956,7 +999,7 @@ class FederationHandler(BaseHandler):
try:
# The remote hasn't signed it yet, obviously. We'll do the full checks
# when we get the event back in `on_send_leave_request`
self.auth.check(event, auth_events=context.current_state, do_sig_check=False)
yield self.auth.check_from_context(event, context, do_sig_check=False)
except AuthError as e:
logger.warn("Failed to create new leave %r because %s", event, e)
raise e
@ -1000,18 +1043,11 @@ class FederationHandler(BaseHandler):
new_pdu = event
destinations = set()
for k, s in context.current_state.items():
try:
if k[0] == EventTypes.Member:
if s.content["membership"] == Membership.LEAVE:
destinations.add(get_domain_from_id(s.state_key))
except:
logger.warn(
"Failed to get destination from event %s", s.event_id
)
message_handler = self.hs.get_handlers().message_handler
destinations = yield message_handler.get_joined_hosts_for_room_from_state(
context
)
destinations = set(destinations)
destinations.discard(origin)
logger.debug(
@ -1296,7 +1332,13 @@ class FederationHandler(BaseHandler):
)
if not auth_events:
auth_events = context.current_state
auth_events_ids = yield self.auth.compute_auth_events(
event, context.current_state_ids, for_verification=True,
)
auth_events = yield self.store.get_events(auth_events_ids)
auth_events = {
(e.type, e.state_key): e for e in auth_events.values()
}
# This is a hack to fix some old rooms where the initial join event
# didn't reference the create event in its auth events.
@ -1322,8 +1364,7 @@ class FederationHandler(BaseHandler):
context.rejected = RejectedReason.AUTH_ERROR
if event.type == EventTypes.GuestAccess:
full_context = yield self.store.get_current_state(room_id=event.room_id)
yield self.maybe_kick_guest_users(event, full_context)
yield self.maybe_kick_guest_users(event)
defer.returnValue(context)
@ -1494,7 +1535,9 @@ class FederationHandler(BaseHandler):
current_state = set(e.event_id for e in auth_events.values())
different_auth = event_auth_events - current_state
context.current_state.update(auth_events)
context.current_state_ids.update({
k: a.event_id for k, a in auth_events.items()
})
context.state_group = None
if different_auth and not event.internal_metadata.is_outlier():
@ -1516,8 +1559,8 @@ class FederationHandler(BaseHandler):
if do_resolution:
# 1. Get what we think is the auth chain.
auth_ids = self.auth.compute_auth_events(
event, context.current_state
auth_ids = yield self.auth.compute_auth_events(
event, context.current_state_ids
)
local_auth_chain = yield self.store.get_auth_chain(auth_ids)
@ -1573,7 +1616,9 @@ class FederationHandler(BaseHandler):
# 4. Look at rejects and their proofs.
# TODO.
context.current_state.update(auth_events)
context.current_state_ids.update({
k: a.event_id for k, a in auth_events.items()
})
context.state_group = None
try:
@ -1760,12 +1805,12 @@ class FederationHandler(BaseHandler):
)
try:
self.auth.check(event, context.current_state)
yield self.auth.check_from_context(event, context)
except AuthError as e:
logger.warn("Denying new third party invite %r because %s", event, e)
raise e
yield self._check_signature(event, auth_events=context.current_state)
yield self._check_signature(event, context)
member_handler = self.hs.get_handlers().room_member_handler
yield member_handler.send_membership_event(None, event, context)
else:
@ -1791,11 +1836,11 @@ class FederationHandler(BaseHandler):
)
try:
self.auth.check(event, auth_events=context.current_state)
self.auth.check_from_context(event, context)
except AuthError as e:
logger.warn("Denying third party invite %r because %s", event, e)
raise e
yield self._check_signature(event, auth_events=context.current_state)
yield self._check_signature(event, context)
returned_invite = yield self.send_invite(origin, event)
# TODO: Make sure the signatures actually are correct.
@ -1809,7 +1854,12 @@ class FederationHandler(BaseHandler):
EventTypes.ThirdPartyInvite,
event.content["third_party_invite"]["signed"]["token"]
)
original_invite = context.current_state.get(key)
original_invite = None
original_invite_id = context.current_state_ids.get(key)
if original_invite_id:
original_invite = yield self.store.get_event(
original_invite_id, allow_none=True
)
if not original_invite:
logger.info(
"Could not find invite event for third_party_invite - "
@ -1826,13 +1876,13 @@ class FederationHandler(BaseHandler):
defer.returnValue((event, context))
@defer.inlineCallbacks
def _check_signature(self, event, auth_events):
def _check_signature(self, event, context):
"""
Checks that the signature in the event is consistent with its invite.
Args:
event (Event): The m.room.member event to check
auth_events (dict<(event type, state_key), event>):
context (EventContext):
Raises:
AuthError: if signature didn't match any keys, or key has been
@ -1843,10 +1893,14 @@ class FederationHandler(BaseHandler):
signed = event.content["third_party_invite"]["signed"]
token = signed["token"]
invite_event = auth_events.get(
invite_event_id = context.current_state_ids.get(
(EventTypes.ThirdPartyInvite, token,)
)
invite_event = None
if invite_event_id:
invite_event = yield self.store.get_event(invite_event_id, allow_none=True)
if not invite_event:
raise AuthError(403, "Could not find invite")

91
synapse/handlers/message.py
View file

@ -30,6 +30,7 @@ from synapse.util.async import concurrently_execute, run_on_reactor, ReadWriteLo
from synapse.util.caches.snapshot_cache import SnapshotCache
from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
from synapse.util.metrics import measure_func
from synapse.util.caches.descriptors import cachedInlineCallbacks
from synapse.visibility import filter_events_for_client
from ._base import BaseHandler
@ -248,7 +249,7 @@ class MessageHandler(BaseHandler):
assert self.hs.is_mine(user), "User must be our own: %s" % (user,)
if event.is_state():
prev_state = self.deduplicate_state_event(event, context)
prev_state = yield self.deduplicate_state_event(event, context)
if prev_state is not None:
defer.returnValue(prev_state)
@ -263,6 +264,7 @@ class MessageHandler(BaseHandler):
presence = self.hs.get_presence_handler()
yield presence.bump_presence_active_time(user)
@defer.inlineCallbacks
def deduplicate_state_event(self, event, context):
"""
Checks whether event is in the latest resolved state in context.
@ -270,13 +272,17 @@ class MessageHandler(BaseHandler):
If so, returns the version of the event in context.
Otherwise, returns None.
"""
prev_event = context.current_state.get((event.type, event.state_key))
prev_event_id = context.current_state_ids.get((event.type, event.state_key))
prev_event = yield self.store.get_event(prev_event_id, allow_none=True)
if not prev_event:
return
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.returnValue(prev_event)
return
@defer.inlineCallbacks
def create_and_send_nonmember_event(
@ -803,7 +809,7 @@ class MessageHandler(BaseHandler):
logger.debug(
"Created event %s with current state: %s",
event.event_id, context.current_state,
event.event_id, context.current_state_ids,
)
defer.returnValue(
@ -826,12 +832,12 @@ class MessageHandler(BaseHandler):
self.ratelimit(requester)
try:
self.auth.check(event, auth_events=context.current_state)
yield self.auth.check_from_context(event, context)
except AuthError as err:
logger.warn("Denying new event %r because %s", event, err)
raise err
yield self.maybe_kick_guest_users(event, context.current_state.values())
yield self.maybe_kick_guest_users(event, context)
if event.type == EventTypes.CanonicalAlias:
# Check the alias is acually valid (at this time at least)
@ -859,6 +865,15 @@ class MessageHandler(BaseHandler):
e.sender == event.sender
)
state_to_include_ids = [
e_id
for k, e_id in context.current_state_ids.items()
if k[0] in self.hs.config.room_invite_state_types
or k[0] == EventTypes.Member and k[1] == event.sender
]
state_to_include = yield self.store.get_events(state_to_include_ids)
event.unsigned["invite_room_state"] = [
{
"type": e.type,
@ -866,9 +881,7 @@ class MessageHandler(BaseHandler):
"content": e.content,
"sender": e.sender,
}
for k, e in context.current_state.items()
if e.type in self.hs.config.room_invite_state_types
or is_inviter_member_event(e)
for e in state_to_include.values()
]
invitee = UserID.from_string(event.state_key)
@ -890,7 +903,14 @@ class MessageHandler(BaseHandler):
)
if event.type == EventTypes.Redaction:
if self.auth.check_redaction(event, auth_events=context.current_state):
auth_events_ids = yield self.auth.compute_auth_events(
event, context.current_state_ids, for_verification=True,
)
auth_events = yield self.store.get_events(auth_events_ids)
auth_events = {
(e.type, e.state_key): e for e in auth_events.values()
}
if self.auth.check_redaction(event, auth_events=auth_events):
original_event = yield self.store.get_event(
event.redacts,
check_redacted=False,
@ -904,7 +924,7 @@ class MessageHandler(BaseHandler):
"You don't have permission to redact events"
)
if event.type == EventTypes.Create and context.current_state:
if event.type == EventTypes.Create and context.current_state_ids:
raise AuthError(
403,
"Changing the room create event is forbidden",
@ -925,16 +945,7 @@ class MessageHandler(BaseHandler):
event_stream_id, max_stream_id
)
destinations = set()
for k, s in context.current_state.items():
try:
if k[0] == EventTypes.Member:
if s.content["membership"] == Membership.JOIN:
destinations.add(get_domain_from_id(s.state_key))
except SynapseError:
logger.warn(
"Failed to get destination from event %s", s.event_id
)
destinations = yield self.get_joined_hosts_for_room_from_state(context)
@defer.inlineCallbacks
def _notify():
@ -952,3 +963,39 @@ class MessageHandler(BaseHandler):
preserve_fn(federation_handler.handle_new_event)(
event, destinations=destinations,
)
def get_joined_hosts_for_room_from_state(self, context):
state_group = context.state_group
if not state_group:
# If state_group is None it means it has yet to be assigned a
# state group, i.e. we need to make sure that calls with a state_group
# of None don't hit previous cached calls with a None state_group.
# To do this we set the state_group to a new object as object() != object()
state_group = object()
return self._get_joined_hosts_for_room_from_state(
state_group, context.current_state_ids
)
@cachedInlineCallbacks(num_args=1, cache_context=True)
def _get_joined_hosts_for_room_from_state(self, state_group, current_state_ids,
cache_context):
# Don't bother getting state for people on the same HS
current_state = yield self.store.get_events([
e_id for key, e_id in current_state_ids.items()
if key[0] == EventTypes.Member and not self.hs.is_mine_id(key[1])
])
destinations = set()
for e in current_state.itervalues():
try:
if e.type == EventTypes.Member:
if e.content["membership"] == Membership.JOIN:
destinations.add(get_domain_from_id(e.state_key))
except SynapseError:
logger.warn(
"Failed to get destination from event %s", e.event_id
)
defer.returnValue(destinations)

124
synapse/handlers/room_member.py
View file

@ -93,20 +93,26 @@ class RoomMemberHandler(BaseHandler):
ratelimit=ratelimit,
)
prev_member_event = context.current_state.get(
prev_member_event_id = context.current_state_ids.get(
(EventTypes.Member, target.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.
# 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.
newly_joined = True
if prev_member_event_id:
prev_member_event = yield self.store.get_event(prev_member_event_id)
newly_joined = prev_member_event.membership != Membership.JOIN
if newly_joined:
yield user_joined_room(self.distributor, target, room_id)
elif event.membership == Membership.LEAVE:
if prev_member_event and prev_member_event.membership == Membership.JOIN:
user_left_room(self.distributor, target, room_id)
if prev_member_event_id:
prev_member_event = yield self.store.get_event(prev_member_event_id)
if prev_member_event.membership == Membership.JOIN:
user_left_room(self.distributor, target, room_id)
@defer.inlineCallbacks
def remote_join(self, remote_room_hosts, room_id, user, content):
@ -195,29 +201,32 @@ class RoomMemberHandler(BaseHandler):
remote_room_hosts = []
latest_event_ids = yield self.store.get_latest_event_ids_in_room(room_id)
current_state = yield self.state_handler.get_current_state(
current_state_ids = yield self.state_handler.get_current_state_ids(
room_id, latest_event_ids=latest_event_ids,
)
old_state = current_state.get((EventTypes.Member, target.to_string()))
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 banned" % (action,),
errcode=Codes.BAD_STATE
)
old_state_id = current_state_ids.get((EventTypes.Member, target.to_string()))
if old_state_id:
old_state = yield self.store.get_event(old_state_id, allow_none=True)
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 banned" % (action,),
errcode=Codes.BAD_STATE
)
is_host_in_room = self.is_host_in_room(current_state)
is_host_in_room = yield self._is_host_in_room(current_state_ids)
if effective_membership_state == Membership.JOIN:
if requester.is_guest and not self._can_guest_join(current_state):
if requester.is_guest and not self._can_guest_join(current_state_ids):
# 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")
@ -326,15 +335,17 @@ class RoomMemberHandler(BaseHandler):
requester = synapse.types.create_requester(target_user)
message_handler = self.hs.get_handlers().message_handler
prev_event = message_handler.deduplicate_state_event(event, context)
prev_event = yield message_handler.deduplicate_state_event(event, context)
if prev_event is not None:
return
if event.membership == Membership.JOIN:
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")
if requester.is_guest:
guest_can_join = yield self._can_guest_join(context.current_state_ids)
if not guest_can_join:
# 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")
yield message_handler.handle_new_client_event(
requester,
@ -344,27 +355,39 @@ class RoomMemberHandler(BaseHandler):
ratelimit=ratelimit,
)
prev_member_event = context.current_state.get(
(EventTypes.Member, target_user.to_string()),
prev_member_event_id = context.current_state_ids.get(
(EventTypes.Member, event.state_key),
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.
# 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.
newly_joined = True
if prev_member_event_id:
prev_member_event = yield self.store.get_event(prev_member_event_id)
newly_joined = prev_member_event.membership != Membership.JOIN
if newly_joined:
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)
if prev_member_event_id:
prev_member_event = yield self.store.get_event(prev_member_event_id)
if prev_member_event.membership == Membership.JOIN:
user_left_room(self.distributor, target_user, room_id)
def _can_guest_join(self, current_state):
@defer.inlineCallbacks
def _can_guest_join(self, current_state_ids):
"""
Returns whether a guest can join a room based on its current state.
"""
guest_access = current_state.get((EventTypes.GuestAccess, ""), None)
return (
guest_access_id = current_state_ids.get((EventTypes.GuestAccess, ""), None)
if not guest_access_id:
defer.returnValue(False)
guest_access = yield self.store.get_event(guest_access_id)
defer.returnValue(
guest_access
and guest_access.content
and "guest_access" in guest_access.content
@ -683,3 +706,24 @@ class RoomMemberHandler(BaseHandler):
if membership:
yield self.store.forget(user_id, room_id)
@defer.inlineCallbacks
def _is_host_in_room(self, current_state_ids):
# Have we just created the room, and is this about to be the very
# first member event?
create_event_id = current_state_ids.get(("m.room.create", ""))
if len(current_state_ids) == 1 and create_event_id:
defer.returnValue(self.hs.is_mine_id(create_event_id))
for (etype, state_key), event_id in current_state_ids.items():
if etype != EventTypes.Member or not self.hs.is_mine_id(state_key):
continue
event = yield self.store.get_event(event_id, allow_none=True)
if not event:
continue
if event.membership == Membership.JOIN:
defer.returnValue(True)
defer.returnValue(False)

75
synapse/handlers/sync.py
View file

@ -355,11 +355,11 @@ class SyncHandler(object):
Returns:
A Deferred map from ((type, state_key)->Event)
"""
state = yield self.store.get_state_for_event(event.event_id)
state_ids = yield self.store.get_state_ids_for_event(event.event_id)
if event.is_state():
state = state.copy()
state[(event.type, event.state_key)] = event
defer.returnValue(state)
state_ids = state_ids.copy()
state_ids[(event.type, event.state_key)] = event.event_id
defer.returnValue(state_ids)
@defer.inlineCallbacks
def get_state_at(self, room_id, stream_position):
@ -412,57 +412,61 @@ class SyncHandler(object):
with Measure(self.clock, "compute_state_delta"):
if full_state:
if batch:
current_state = yield self.store.get_state_for_event(
current_state_ids = yield self.store.get_state_ids_for_event(
batch.events[-1].event_id
)
state = yield self.store.get_state_for_event(
state_ids = yield self.store.get_state_ids_for_event(
batch.events[0].event_id
)
else:
current_state = yield self.get_state_at(
current_state_ids = yield self.get_state_at(
room_id, stream_position=now_token
)
state = current_state
state_ids = current_state_ids
timeline_state = {
(event.type, event.state_key): event
(event.type, event.state_key): event.event_id
for event in batch.events if event.is_state()
}
state = _calculate_state(
state_ids = _calculate_state(
timeline_contains=timeline_state,
timeline_start=state,
timeline_start=state_ids,
previous={},
current=current_state,
current=current_state_ids,
)
elif batch.limited:
state_at_previous_sync = yield self.get_state_at(
room_id, stream_position=since_token
)
current_state = yield self.store.get_state_for_event(
current_state_ids = yield self.store.get_state_ids_for_event(
batch.events[-1].event_id
)
state_at_timeline_start = yield self.store.get_state_for_event(
state_at_timeline_start = yield self.store.get_state_ids_for_event(
batch.events[0].event_id
)
timeline_state = {
(event.type, event.state_key): event
(event.type, event.state_key): event.event_id
for event in batch.events if event.is_state()
}
state = _calculate_state(
state_ids = _calculate_state(
timeline_contains=timeline_state,
timeline_start=state_at_timeline_start,
previous=state_at_previous_sync,
current=current_state,
current=current_state_ids,
)
else:
state = {}
state_ids = {}
state = {}
if state_ids:
state = yield self.store.get_events(state_ids.values())
defer.returnValue({
(e.type, e.state_key): e
@ -766,8 +770,13 @@ class SyncHandler(object):
# 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
if room_id in joined_room_ids or has_join:
old_state = yield self.get_state_at(room_id, since_token)
old_mem_ev = old_state.get((EventTypes.Member, user_id), None)
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 not old_mem_ev or old_mem_ev.membership != Membership.JOIN:
newly_joined_rooms.append(room_id)
@ -1059,27 +1068,25 @@ def _calculate_state(timeline_contains, timeline_start, previous, current):
Returns:
dict
"""
event_id_to_state = {
e.event_id: e
for e in itertools.chain(
timeline_contains.values(),
previous.values(),
timeline_start.values(),
current.values(),
event_id_to_key = {
e: key
for key, e in itertools.chain(
timeline_contains.items(),
previous.items(),
timeline_start.items(),
current.items(),
)
}
c_ids = set(e.event_id for e in current.values())
tc_ids = set(e.event_id for e in timeline_contains.values())
p_ids = set(e.event_id for e in previous.values())
ts_ids = set(e.event_id for e in timeline_start.values())
c_ids = set(e for e in current.values())
tc_ids = set(e for e in timeline_contains.values())
p_ids = set(e for e in previous.values())
ts_ids = set(e for e in timeline_start.values())
state_ids = ((c_ids | ts_ids) - p_ids) - tc_ids
evs = (event_id_to_state[e] for e in state_ids)
return {
(e.type, e.state_key): e
for e in evs
event_id_to_key[e]: e for e in state_ids
}

4
synapse/push/action_generator.py
View file

@ -40,12 +40,12 @@ class ActionGenerator:
def handle_push_actions_for_event(self, event, context):
with Measure(self.clock, "evaluator_for_event"):
bulk_evaluator = yield evaluator_for_event(
event, self.hs, self.store, context.state_group, context.current_state
event, self.hs, self.store, context
)
with Measure(self.clock, "action_for_event_by_user"):
actions_by_user = yield bulk_evaluator.action_for_event_by_user(
event, context.current_state
event, context
)
context.push_actions = [

32
synapse/push/bulk_push_rule_evaluator.py
View file

@ -19,8 +19,8 @@ from twisted.internet import defer
from .push_rule_evaluator import PushRuleEvaluatorForEvent
from synapse.api.constants import EventTypes, Membership
from synapse.visibility import filter_events_for_clients
from synapse.api.constants import EventTypes
from synapse.visibility import filter_events_for_clients_context
logger = logging.getLogger(__name__)
@ -36,9 +36,9 @@ def _get_rules(room_id, user_ids, store):
@defer.inlineCallbacks
def evaluator_for_event(event, hs, store, state_group, current_state):
def evaluator_for_event(event, hs, store, context):
rules_by_user = yield store.bulk_get_push_rules_for_room(
event.room_id, state_group, current_state
event.room_id, context
)
# if this event is an invite event, we may need to run rules for the user
@ -72,7 +72,7 @@ class BulkPushRuleEvaluator:
self.store = store
@defer.inlineCallbacks
def action_for_event_by_user(self, event, current_state):
def action_for_event_by_user(self, event, context):
actions_by_user = {}
# None of these users can be peeking since this list of users comes
@ -82,27 +82,25 @@ class BulkPushRuleEvaluator:
(u, False) for u in self.rules_by_user.keys()
]
filtered_by_user = yield filter_events_for_clients(
self.store, user_tuples, [event], {event.event_id: current_state}
filtered_by_user = yield filter_events_for_clients_context(
self.store, user_tuples, [event], {event.event_id: context}
)
room_members = set(
e.state_key for e in current_state.values()
if e.type == EventTypes.Member and e.membership == Membership.JOIN
room_members = yield self.store.get_joined_users_from_context(
event.room_id, context,
)
evaluator = PushRuleEvaluatorForEvent(event, len(room_members))
condition_cache = {}
display_names = {}
for ev in current_state.values():
nm = ev.content.get("displayname", None)
if nm and ev.type == EventTypes.Member:
display_names[ev.state_key] = nm
for uid, rules in self.rules_by_user.items():
display_name = display_names.get(uid, None)
display_name = None
member_ev_id = context.current_state_ids.get((EventTypes.Member, uid))
if member_ev_id:
member_ev = yield self.store.get_event(member_ev_id, allow_none=True)
if member_ev:
display_name = member_ev.content.get("displayname", None)
filtered = filtered_by_user[uid]
if len(filtered) == 0:

2
synapse/push/httppusher.py
View file

@ -245,7 +245,7 @@ class HttpPusher(object):
@defer.inlineCallbacks
def _build_notification_dict(self, event, tweaks, badge):
ctx = yield push_tools.get_context_for_event(
self.state_handler, event, self.user_id
self.store, self.state_handler, event, self.user_id
)
d = {

32
synapse/push/mailer.py
View file

@ -22,7 +22,7 @@ from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from synapse.util.async import concurrently_execute
from synapse.util.presentable_names import (
from synapse.push.presentable_names import (
calculate_room_name, name_from_member_event, descriptor_from_member_events
)
from synapse.types import UserID
@ -139,7 +139,7 @@ class Mailer(object):
@defer.inlineCallbacks
def _fetch_room_state(room_id):
room_state = yield self.state_handler.get_current_state(room_id)
room_state = yield self.state_handler.get_current_state_ids(room_id)
state_by_room[room_id] = room_state
# Run at most 3 of these at once: sync does 10 at a time but email
@ -160,7 +160,8 @@ class Mailer(object):
rooms.append(roomvars)
reason['room_name'] = calculate_room_name(
state_by_room[reason['room_id']], user_id, fallback_to_members=True
self.store, state_by_room[reason['room_id']], user_id,
fallback_to_members=True
)
summary_text = self.make_summary_text(
@ -203,12 +204,15 @@ class Mailer(object):
)
@defer.inlineCallbacks
def get_room_vars(self, room_id, user_id, notifs, notif_events, room_state):
my_member_event = room_state[("m.room.member", user_id)]
def get_room_vars(self, room_id, user_id, notifs, notif_events, room_state_ids):
my_member_event_id = room_state_ids[("m.room.member", user_id)]
my_member_event = yield self.store.get_event(my_member_event_id)
is_invite = my_member_event.content["membership"] == "invite"
room_name = yield calculate_room_name(self.store, room_state_ids, user_id)
room_vars = {
"title": calculate_room_name(room_state, user_id),
"title": room_name,
"hash": string_ordinal_total(room_id), # See sender avatar hash
"notifs": [],
"invite": is_invite,
@ -218,7 +222,7 @@ class Mailer(object):
if not is_invite:
for n in notifs:
notifvars = yield self.get_notif_vars(
n, user_id, notif_events[n['event_id']], room_state
n, user_id, notif_events[n['event_id']], room_state_ids
)
# merge overlapping notifs together.
@ -243,7 +247,7 @@ class Mailer(object):
defer.returnValue(room_vars)
@defer.inlineCallbacks
def get_notif_vars(self, notif, user_id, notif_event, room_state):
def get_notif_vars(self, notif, user_id, notif_event, room_state_ids):
results = yield self.store.get_events_around(
notif['room_id'], notif['event_id'],
before_limit=CONTEXT_BEFORE, after_limit=CONTEXT_AFTER
@ -261,17 +265,19 @@ class Mailer(object):
the_events.append(notif_event)
for event in the_events:
messagevars = self.get_message_vars(notif, event, room_state)
messagevars = yield self.get_message_vars(notif, event, room_state_ids)
if messagevars is not None:
ret['messages'].append(messagevars)
defer.returnValue(ret)
def get_message_vars(self, notif, event, room_state):
@defer.inlineCallbacks
def get_message_vars(self, notif, event, room_state_ids):
if event.type != EventTypes.Message:
return None
return
sender_state_event = room_state[("m.room.member", event.sender)]
sender_state_event_id = room_state_ids[("m.room.member", event.sender)]
sender_state_event = yield self.store.get_event(sender_state_event_id)
sender_name = name_from_member_event(sender_state_event)
sender_avatar_url = sender_state_event.content.get("avatar_url")
@ -299,7 +305,7 @@ class Mailer(object):
if "body" in event.content:
ret["body_text_plain"] = event.content["body"]
return ret
defer.returnValue(ret)
def add_text_message_vars(self, messagevars, event):
msgformat = event.content.get("format")

96
synapse/util/presentable_names.py → synapse/push/presentable_names.py
View file

@ -13,6 +13,8 @@
# See the License for the specific language governing permissions and
# limitations under the License.
from twisted.internet import defer
import re
import logging
@ -25,7 +27,8 @@ ALIAS_RE = re.compile(r"^#.*:.+$")
ALL_ALONE = "Empty Room"
def calculate_room_name(room_state, user_id, fallback_to_members=True,
@defer.inlineCallbacks
def calculate_room_name(store, room_state_ids, user_id, fallback_to_members=True,
fallback_to_single_member=True):
"""
Works out a user-facing name for the given room as per Matrix
@ -42,59 +45,78 @@ def calculate_room_name(room_state, user_id, fallback_to_members=True,
(string or None) A human readable name for the room.
"""
# does it have a name?
if ("m.room.name", "") in room_state:
m_room_name = room_state[("m.room.name", "")]
if m_room_name.content and m_room_name.content["name"]:
return m_room_name.content["name"]
if ("m.room.name", "") in room_state_ids:
m_room_name = yield store.get_event(
room_state_ids[("m.room.name", "")], allow_none=True
)
if m_room_name and m_room_name.content and m_room_name.content["name"]:
defer.returnValue(m_room_name.content["name"])
# does it have a canonical alias?
if ("m.room.canonical_alias", "") in room_state:
canon_alias = room_state[("m.room.canonical_alias", "")]
if ("m.room.canonical_alias", "") in room_state_ids:
canon_alias = yield store.get_event(
room_state_ids[("m.room.canonical_alias", "")], allow_none=True
)
if (
canon_alias.content and canon_alias.content["alias"] and
canon_alias and canon_alias.content and canon_alias.content["alias"] and
_looks_like_an_alias(canon_alias.content["alias"])
):
return canon_alias.content["alias"]
defer.returnValue(canon_alias.content["alias"])
# at this point we're going to need to search the state by all state keys
# for an event type, so rearrange the data structure
room_state_bytype = _state_as_two_level_dict(room_state)
room_state_bytype_ids = _state_as_two_level_dict(room_state_ids)
# right then, any aliases at all?
if "m.room.aliases" in room_state_bytype:
m_room_aliases = room_state_bytype["m.room.aliases"]
if len(m_room_aliases.values()) > 0:
first_alias_event = m_room_aliases.values()[0]
if first_alias_event.content and first_alias_event.content["aliases"]:
the_aliases = first_alias_event.content["aliases"]
if "m.room.aliases" in room_state_bytype_ids:
m_room_aliases = room_state_bytype_ids["m.room.aliases"]
for alias_id in m_room_aliases.values():
alias_event = yield store.get_event(
alias_id, allow_none=True
)
if alias_event and alias_event.content and alias_event.get("aliases"):
the_aliases = alias_event.content["aliases"]
if len(the_aliases) > 0 and _looks_like_an_alias(the_aliases[0]):
return the_aliases[0]
defer.returnValue(the_aliases[0])
if not fallback_to_members:
return None
defer.returnValue(None)
my_member_event = None
if ("m.room.member", user_id) in room_state:
my_member_event = room_state[("m.room.member", user_id)]
if ("m.room.member", user_id) in room_state_ids:
my_member_event = yield store.get_event(
room_state_ids[("m.room.member", user_id)], allow_none=True
)
if (
my_member_event is not None and
my_member_event.content['membership'] == "invite"
):
if ("m.room.member", my_member_event.sender) in room_state:
inviter_member_event = room_state[("m.room.member", my_member_event.sender)]
if fallback_to_single_member:
return "Invite from %s" % (name_from_member_event(inviter_member_event),)
else:
return None
if ("m.room.member", my_member_event.sender) in room_state_ids:
inviter_member_event = yield store.get_event(
room_state_ids[("m.room.member", my_member_event.sender)],
allow_none=True,
)
if inviter_member_event:
if fallback_to_single_member:
defer.returnValue(
"Invite from %s" % (
name_from_member_event(inviter_member_event),
)
)
else:
return
else:
return "Room Invite"
defer.returnValue("Room Invite")
# we're going to have to generate a name based on who's in the room,
# so find out who is in the room that isn't the user.
if "m.room.member" in room_state_bytype:
if "m.room.member" in room_state_bytype_ids:
member_events = yield store.get_events(
room_state_bytype_ids["m.room.member"].values()
)
all_members = [
ev for ev in room_state_bytype["m.room.member"].values()
ev for ev in member_events.values()
if ev.content['membership'] == "join" or ev.content['membership'] == "invite"
]
# Sort the member events oldest-first so the we name people in the
@ -111,9 +133,9 @@ def calculate_room_name(room_state, user_id, fallback_to_members=True,
# self-chat, peeked room with 1 participant,
# or inbound invite, or outbound 3PID invite.
if all_members[0].sender == user_id:
if "m.room.third_party_invite" in room_state_bytype:
if "m.room.third_party_invite" in room_state_bytype_ids:
third_party_invites = (
room_state_bytype["m.room.third_party_invite"].values()
room_state_bytype_ids["m.room.third_party_invite"].values()
)
if len(third_party_invites) > 0:
@ -126,17 +148,17 @@ def calculate_room_name(room_state, user_id, fallback_to_members=True,
# return "Inviting %s" % (
# descriptor_from_member_events(third_party_invites)
# )
return "Inviting email address"
defer.returnValue("Inviting email address")
else:
return ALL_ALONE
defer.returnValue(ALL_ALONE)
else:
return name_from_member_event(all_members[0])
defer.returnValue(name_from_member_event(all_members[0]))
else:
return ALL_ALONE
defer.returnValue(ALL_ALONE)
elif len(other_members) == 1 and not fallback_to_single_member:
return None
return
else:
return descriptor_from_member_events(other_members)
defer.returnValue(descriptor_from_member_events(other_members))
def descriptor_from_member_events(member_events):

13
synapse/push/push_tools.py
View file

@ -14,7 +14,7 @@
# limitations under the License.
from twisted.internet import defer
from synapse.util.presentable_names import (
from synapse.push.presentable_names import (
calculate_room_name, name_from_member_event
)
from synapse.util.logcontext import preserve_fn, preserve_context_over_deferred
@ -49,21 +49,22 @@ def get_badge_count(store, user_id):
@defer.inlineCallbacks
def get_context_for_event(state_handler, ev, user_id):
def get_context_for_event(store, state_handler, ev, user_id):
ctx = {}
room_state = yield state_handler.get_current_state(ev.room_id)
room_state_ids = yield state_handler.get_current_state_ids(ev.room_id)
# we no longer bother setting room_alias, and make room_name the
# human-readable name instead, be that m.room.name, an alias or
# a list of people in the room
name = calculate_room_name(
room_state, user_id, fallback_to_single_member=False
name = yield calculate_room_name(
store, room_state_ids, user_id, fallback_to_single_member=False
)
if name:
ctx['name'] = name
sender_state_event = room_state[("m.room.member", ev.sender)]
sender_state_event_id = room_state_ids[("m.room.member", ev.sender)]
sender_state_event = yield store.get_event(sender_state_event_id)
ctx['sender_display_name'] = name_from_member_event(sender_state_event)
defer.returnValue(ctx)

5
synapse/replication/slave/storage/events.py
View file

@ -120,10 +120,15 @@ class SlavedEventStore(BaseSlavedStore):
get_state_for_event = DataStore.get_state_for_event.__func__
get_state_for_events = DataStore.get_state_for_events.__func__
get_state_groups = DataStore.get_state_groups.__func__
get_state_groups_ids = DataStore.get_state_groups_ids.__func__
get_state_ids_for_event = DataStore.get_state_ids_for_event.__func__
get_state_ids_for_events = DataStore.get_state_ids_for_events.__func__
get_recent_events_for_room = DataStore.get_recent_events_for_room.__func__
get_room_events_stream_for_rooms = (
DataStore.get_room_events_stream_for_rooms.__func__
)
is_host_joined = DataStore.is_host_joined.__func__
_is_host_joined = RoomMemberStore.__dict__["_is_host_joined"]
get_stream_token_for_event = DataStore.get_stream_token_for_event.__func__
_set_before_and_after = staticmethod(DataStore._set_before_and_after)

135
synapse/state.py
View file

@ -93,8 +93,30 @@ class StateHandler(object):
if not latest_event_ids:
latest_event_ids = yield self.store.get_latest_event_ids_in_room(room_id)
res = yield self.resolve_state_groups(room_id, latest_event_ids)
state = res[1]
_, state = yield self.resolve_state_groups(room_id, latest_event_ids)
if event_type:
event_id = state.get((event_type, state_key))
event = None
if event_id:
event = yield self.store.get_event(event_id, allow_none=True)
defer.returnValue(event)
return
state_map = yield self.store.get_events(state.values(), get_prev_content=False)
state = {
key: state_map[e_id] for key, e_id in state.items() if e_id in state_map
}
defer.returnValue(state)
@defer.inlineCallbacks
def get_current_state_ids(self, room_id, event_type=None, state_key="",
latest_event_ids=None):
if not latest_event_ids:
latest_event_ids = yield self.store.get_latest_event_ids_in_room(room_id)
_, state = yield self.resolve_state_groups(room_id, latest_event_ids)
if event_type:
defer.returnValue(state.get((event_type, state_key)))
@ -123,27 +145,27 @@ class StateHandler(object):
# state. Certainly store.get_current_state won't return any, and
# persisting the event won't store the state group.
if old_state:
context.current_state = {
(s.type, s.state_key): s for s in old_state
context.current_state_ids = {
(s.type, s.state_key): s.event_id for s in old_state
}
else:
context.current_state = {}
context.current_state_ids = {}
context.prev_state_events = []
context.state_group = None
defer.returnValue(context)
if old_state:
context.current_state = {
(s.type, s.state_key): s for s in old_state
context.current_state_ids = {
(s.type, s.state_key): s.event_id for s in old_state
}
context.state_group = None
if event.is_state():
key = (event.type, event.state_key)
if key in context.current_state:
replaces = context.current_state[key]
if replaces.event_id != event.event_id: # Paranoia check
event.unsigned["replaces_state"] = replaces.event_id
if key in context.current_state_ids:
replaces = context.current_state_ids[key]
if replaces != event.event_id: # Paranoia check
event.unsigned["replaces_state"] = replaces
context.prev_state_events = []
defer.returnValue(context)
@ -159,18 +181,18 @@ class StateHandler(object):
event.room_id, [e for e, _ in event.prev_events],
)
group, curr_state, prev_state = ret
group, curr_state = ret
context.current_state = curr_state
context.current_state_ids = curr_state
context.state_group = group if not event.is_state() else None
if event.is_state():
key = (event.type, event.state_key)
if key in context.current_state:
replaces = context.current_state[key]
event.unsigned["replaces_state"] = replaces.event_id
if key in context.current_state_ids:
replaces = context.current_state_ids[key]
event.unsigned["replaces_state"] = replaces
context.prev_state_events = prev_state
context.prev_state_events = []
defer.returnValue(context)
@defer.inlineCallbacks
@ -187,72 +209,83 @@ class StateHandler(object):
"""
logger.debug("resolve_state_groups event_ids %s", event_ids)
state_groups = yield self.store.get_state_groups(
state_groups_ids = yield self.store.get_state_groups_ids(
room_id, event_ids
)
logger.debug(
"resolve_state_groups state_groups %s",
state_groups.keys()
state_groups_ids.keys()
)
group_names = frozenset(state_groups.keys())
group_names = frozenset(state_groups_ids.keys())
if len(group_names) == 1:
name, state_list = state_groups.items().pop()
state = {
(e.type, e.state_key): e
for e in state_list
}
prev_state = state.get((event_type, state_key), None)
if prev_state:
prev_state = prev_state.event_id
prev_states = [prev_state]
else:
prev_states = []
name, state_list = state_groups_ids.items().pop()
defer.returnValue((name, state, prev_states))
defer.returnValue((name, state_list,))
if self._state_cache is not None:
cache = self._state_cache.get(group_names, None)
if cache:
cache.ts = self.clock.time_msec()
event_dict = yield self.store.get_events(cache.state.values())
state = {(e.type, e.state_key): e for e in event_dict.values()}
prev_state = state.get((event_type, state_key), None)
if prev_state:
prev_state = prev_state.event_id
prev_states = [prev_state]
else:
prev_states = []
defer.returnValue(
(cache.state_group, state, prev_states)
(cache.state_group, cache.state,)
)
logger.info("Resolving state for %s with %d groups", room_id, len(state_groups))
new_state, prev_states = self._resolve_events(
state_groups.values(), event_type, state_key
logger.info(
"Resolving state for %s with %d groups", room_id, len(state_groups_ids)
)
state = {}
for st in state_groups_ids.values():
for key, e_id in st.items():
state.setdefault(key, set()).add(e_id)
conflicted_state = {
k: list(v)
for k, v in state.items()
if len(v) > 1
}
if conflicted_state:
logger.info("Resolving conflicted state for %r", room_id)
state_map = yield self.store.get_events(
[e_id for st in state_groups_ids.values() for e_id in st.values()],
get_prev_content=False
)
state_sets = [
[state_map[e_id] for key, e_id in st.items() if e_id in state_map]
for st in state_groups_ids.values()
]
new_state, _ = self._resolve_events(
state_sets, event_type, state_key
)
new_state = {
key: e.event_id for key, e in new_state.items()
}
else:
new_state = {
key: e_ids.pop() for key, e_ids in state.items()
}
state_group = None
new_state_event_ids = frozenset(e.event_id for e in new_state.values())
for sg, events in state_groups.items():
if new_state_event_ids == frozenset(e.event_id for e in events):
new_state_event_ids = frozenset(new_state.values())
for sg, events in state_groups_ids.items():
if new_state_event_ids == frozenset(e_id for e_id in events):
state_group = sg
break
if self._state_cache is not None:
cache = _StateCacheEntry(
state={key: event.event_id for key, event in new_state.items()},
state=new_state,
state_group=state_group,
ts=self.clock.time_msec()
)
self._state_cache[group_names] = cache
defer.returnValue((state_group, new_state, prev_states))
defer.returnValue((state_group, new_state,))
def resolve_events(self, state_sets, event):
logger.info(

21
synapse/storage/push_rule.py
View file

@ -124,7 +124,8 @@ class PushRuleStore(SQLBaseStore):
defer.returnValue(results)
def bulk_get_push_rules_for_room(self, room_id, state_group, current_state):
def bulk_get_push_rules_for_room(self, room_id, context):
state_group = context.state_group
if not state_group:
# If state_group is None it means it has yet to be assigned a
# state group, i.e. we need to make sure that calls with a state_group
@ -132,10 +133,12 @@ class PushRuleStore(SQLBaseStore):
# To do this we set the state_group to a new object as object() != object()
state_group = object()
return self._bulk_get_push_rules_for_room(room_id, state_group, current_state)
return self._bulk_get_push_rules_for_room(
room_id, state_group, context.current_state_ids
)
@cachedInlineCallbacks(num_args=2, cache_context=True)
def _bulk_get_push_rules_for_room(self, room_id, state_group, current_state,
def _bulk_get_push_rules_for_room(self, room_id, state_group, current_state_ids,
cache_context):
# We don't use `state_group`, its there so that we can cache based
# on it. However, its important that its never None, since two current_state's
@ -147,10 +150,16 @@ class PushRuleStore(SQLBaseStore):
# their unread countss are correct in the event stream, but to avoid
# generating them for bot / AS users etc, we only do so for people who've
# sent a read receipt into the room.
local_user_member_ids = [
e_id for (etype, state_key), e_id in current_state_ids.iteritems()
if etype == EventTypes.Member and self.hs.is_mine_id(state_key)
]
local_member_events = yield self._get_events(local_user_member_ids)
local_users_in_room = set(
e.state_key for e in current_state.values()
if e.type == EventTypes.Member and e.membership == Membership.JOIN
and self.hs.is_mine_id(e.state_key)
member_event.state_key for member_event in local_member_events
if member_event.membership == Membership.JOIN
)
# users in the room who have pushers need to get push rules run because

82
synapse/storage/roommember.py
View file

@ -20,7 +20,7 @@ from collections import namedtuple
from ._base import SQLBaseStore
from synapse.util.caches.descriptors import cached, cachedInlineCallbacks
from synapse.api.constants import Membership
from synapse.api.constants import Membership, EventTypes
from synapse.types import get_domain_from_id
import logging
@ -325,7 +325,8 @@ class RoomMemberStore(SQLBaseStore):
@cachedInlineCallbacks(num_args=3)
def was_forgotten_at(self, user_id, room_id, event_id):
"""Returns whether user_id has elected to discard history for room_id at event_id.
"""Returns whether user_id has elected to discard history for room_id at
event_id.
event_id must be a membership event."""
def f(txn):
@ -358,3 +359,80 @@ class RoomMemberStore(SQLBaseStore):
},
desc="who_forgot"
)
def get_joined_users_from_context(self, room_id, context):
state_group = context.state_group
if not state_group:
# If state_group is None it means it has yet to be assigned a
# state group, i.e. we need to make sure that calls with a state_group
# of None don't hit previous cached calls with a None state_group.
# To do this we set the state_group to a new object as object() != object()
state_group = object()
return self._get_joined_users_from_context(
room_id, state_group, context.current_state_ids
)
@cachedInlineCallbacks(num_args=2, cache_context=True)
def _get_joined_users_from_context(self, room_id, state_group, current_state_ids,
cache_context):
# We don't use `state_group`, its there so that we can cache based
# on it. However, its important that its never None, since two current_state's
# with a state_group of None are likely to be different.
# See bulk_get_push_rules_for_room for how we work around this.
assert state_group is not None
member_event_ids = [
e_id
for key, e_id in current_state_ids.iteritems()
if key[0] == EventTypes.Member
]
rows = yield self._simple_select_many_batch(
table="room_memberships",
column="event_id",
iterable=member_event_ids,
retcols=['user_id'],
keyvalues={
"membership": Membership.JOIN,
},
batch_size=1000,
desc="_get_joined_users_from_context",
)
defer.returnValue(set(row["user_id"] for row in rows))
def is_host_joined(self, room_id, host, state_group, state_ids):
if not state_group:
# If state_group is None it means it has yet to be assigned a
# state group, i.e. we need to make sure that calls with a state_group
# of None don't hit previous cached calls with a None state_group.
# To do this we set the state_group to a new object as object() != object()
state_group = object()
return self._is_host_joined(
room_id, host, state_group, state_ids
)
@cachedInlineCallbacks(num_args=3)
def _is_host_joined(self, room_id, host, state_group, current_state_ids):
# We don't use `state_group`, its there so that we can cache based
# on it. However, its important that its never None, since two current_state's
# with a state_group of None are likely to be different.
# See bulk_get_push_rules_for_room for how we work around this.
assert state_group is not None
for (etype, state_key), event_id in current_state_ids.items():
if etype == EventTypes.Member:
try:
if get_domain_from_id(state_key) != host:
continue
except:
logger.warn("state_key not user_id: %s", state_key)
continue
event = yield self.get_event(event_id, allow_none=True)
if event and event.content["membership"] == Membership.JOIN:
defer.returnValue(True)
defer.returnValue(False)

102
synapse/storage/state.py
View file

@ -44,11 +44,7 @@ class StateStore(SQLBaseStore):
"""
@defer.inlineCallbacks
def get_state_groups(self, room_id, event_ids):
""" Get the state groups for the given list of event_ids
The return value is a dict mapping group names to lists of events.
"""
def get_state_groups_ids(self, room_id, event_ids):
if not event_ids:
defer.returnValue({})
@ -59,9 +55,32 @@ class StateStore(SQLBaseStore):
groups = set(event_to_groups.values())
group_to_state = yield self._get_state_for_groups(groups)
defer.returnValue(group_to_state)
@defer.inlineCallbacks
def get_state_groups(self, room_id, event_ids):
""" Get the state groups for the given list of event_ids
The return value is a dict mapping group names to lists of events.
"""
if not event_ids:
defer.returnValue({})
group_to_ids = yield self.get_state_groups_ids(room_id, event_ids)
state_event_map = yield self.get_events(
[
ev_id for group_ids in group_to_ids.values()
for ev_id in group_ids.values()
],
get_prev_content=False
)
defer.returnValue({
group: state_map.values()
for group, state_map in group_to_state.items()
group: [
state_event_map[v] for v in event_id_map.values() if v in state_event_map
]
for group, event_id_map in group_to_ids.items()
})
def _store_mult_state_groups_txn(self, txn, events_and_contexts):
@ -70,17 +89,17 @@ class StateStore(SQLBaseStore):
if event.internal_metadata.is_outlier():
continue
if context.current_state is None:
if context.current_state_ids is None:
continue
if context.state_group is not None:
state_groups[event.event_id] = context.state_group
continue
state_events = dict(context.current_state)
state_event_ids = dict(context.current_state_ids)
if event.is_state():
state_events[(event.type, event.state_key)] = event
state_event_ids[(event.type, event.state_key)] = event.event_id
state_group = context.new_state_group_id
@ -100,12 +119,12 @@ class StateStore(SQLBaseStore):
values=[
{
"state_group": state_group,
"room_id": state.room_id,
"type": state.type,
"state_key": state.state_key,
"event_id": state.event_id,
"room_id": event.room_id,
"type": key[0],
"state_key": key[1],
"event_id": state_id,
}
for state in state_events.values()
for key, state_id in state_event_ids.items()
],
)
state_groups[event.event_id] = state_group
@ -248,6 +267,31 @@ class StateStore(SQLBaseStore):
groups = set(event_to_groups.values())
group_to_state = yield self._get_state_for_groups(groups, types)
state_event_map = yield self.get_events(
[ev_id for sd in group_to_state.values() for ev_id in sd.values()],
get_prev_content=False
)
event_to_state = {
event_id: {
k: state_event_map[v]
for k, v in group_to_state[group].items()
if v in state_event_map
}
for event_id, group in event_to_groups.items()
}
defer.returnValue({event: event_to_state[event] for event in event_ids})
@defer.inlineCallbacks
def get_state_ids_for_events(self, event_ids, types):
event_to_groups = yield self._get_state_group_for_events(
event_ids,
)
groups = set(event_to_groups.values())
group_to_state = yield self._get_state_for_groups(groups, types)
event_to_state = {
event_id: group_to_state[group]
for event_id, group in event_to_groups.items()
@ -272,6 +316,23 @@ class StateStore(SQLBaseStore):
state_map = yield self.get_state_for_events([event_id], types)
defer.returnValue(state_map[event_id])
@defer.inlineCallbacks
def get_state_ids_for_event(self, event_id, types=None):
"""
Get the state dict corresponding to a particular event
Args:
event_id(str): event whose state should be returned
types(list[(str, str)]|None): List of (type, state_key) tuples
which are used to filter the state fetched. May be None, which
matches any key
Returns:
A deferred dict from (type, state_key) -> state_event
"""
state_map = yield self.get_state_ids_for_events([event_id], types)
defer.returnValue(state_map[event_id])
@cached(num_args=2, max_entries=10000)
def _get_state_group_for_event(self, room_id, event_id):
return self._simple_select_one_onecol(
@ -428,20 +489,13 @@ class StateStore(SQLBaseStore):
full=(types is None),
)
state_events = yield self._get_events(
[ev_id for sd in results.values() for ev_id in sd.values()],
get_prev_content=False
)
state_events = {e.event_id: e for e in state_events}
# Remove all the entries with None values. The None values were just
# used for bookkeeping in the cache.
for group, state_dict in results.items():
results[group] = {
key: state_events[event_id]
key: event_id
for key, event_id in state_dict.items()
if event_id and event_id in state_events
if event_id
}
defer.returnValue(results)

19
synapse/visibility.py
View file

@ -180,6 +180,25 @@ def filter_events_for_clients(store, user_tuples, events, event_id_to_state):
})
@defer.inlineCallbacks
def filter_events_for_clients_context(store, user_tuples, events, event_id_to_context):
user_ids = set(u[0] for u in user_tuples)
event_id_to_state = {}
for event_id, context in event_id_to_context.items():
state = yield store.get_events([
e_id
for key, e_id in context.current_state_ids.iteritems()
if key == (EventTypes.RoomHistoryVisibility, "")
or (key[0] == EventTypes.Member and key[1] in user_ids)
])
event_id_to_state[event_id] = state
res = yield filter_events_for_clients(
store, user_tuples, events, event_id_to_state
)
defer.returnValue(res)
@defer.inlineCallbacks
def filter_events_for_client(store, user_id, events, is_peeking=False):
"""

9
tests/replication/slave/storage/test_events.py
View file

@ -305,7 +305,14 @@ class SlavedEventStoreTestCase(BaseSlavedStoreTestCase):
self.event_id += 1
context = EventContext(current_state=state)
if state is not None:
state_ids = {
key: e.event_id for key, e in state.items()
}
else:
state_ids = None
context = EventContext(current_state_ids=state_ids)
context.push_actions = push_actions
ordering = None

120
tests/test_state.py
View file

@ -67,9 +67,11 @@ class StateGroupStore(object):
self._event_to_state_group = {}
self._group_to_state = {}
self._event_id_to_event = {}
self._next_group = 1
def get_state_groups(self, room_id, event_ids):
def get_state_groups_ids(self, room_id, event_ids):
groups = {}
for event_id in event_ids:
group = self._event_to_state_group.get(event_id)
@ -79,23 +81,33 @@ class StateGroupStore(object):
return defer.succeed(groups)
def store_state_groups(self, event, context):
if context.current_state is None:
if context.current_state_ids is None:
return
state_events = context.current_state
state_events = dict(context.current_state_ids)
if event.is_state():
state_events[(event.type, event.state_key)] = event
state_events[(event.type, event.state_key)] = event.event_id
state_group = context.state_group
if not state_group:
state_group = self._next_group
self._next_group += 1
self._group_to_state[state_group] = state_events.values()
self._group_to_state[state_group] = state_events
self._event_to_state_group[event.event_id] = state_group
def get_events(self, event_ids, **kwargs):
return {
e_id: self._event_id_to_event[e_id] for e_id in event_ids
if e_id in self._event_id_to_event
}
def register_events(self, events):
for e in events:
self._event_id_to_event[e.event_id] = e
class DictObj(dict):
def __init__(self, **kwargs):
@ -136,8 +148,9 @@ class StateTestCase(unittest.TestCase):
def setUp(self):
self.store = Mock(
spec_set=[
"get_state_groups",
"get_state_groups_ids",
"add_event_hashes",
"get_events",
]
)
hs = Mock(spec_set=[
@ -187,7 +200,7 @@ class StateTestCase(unittest.TestCase):
)
store = StateGroupStore()
self.store.get_state_groups.side_effect = store.get_state_groups
self.store.get_state_groups_ids.side_effect = store.get_state_groups_ids
context_store = {}
@ -196,7 +209,7 @@ class StateTestCase(unittest.TestCase):
store.store_state_groups(event, context)
context_store[event.event_id] = context
self.assertEqual(2, len(context_store["D"].current_state))
self.assertEqual(2, len(context_store["D"].current_state_ids))
@defer.inlineCallbacks
def test_branch_basic_conflict(self):
@ -239,7 +252,9 @@ class StateTestCase(unittest.TestCase):
)
store = StateGroupStore()
self.store.get_state_groups.side_effect = store.get_state_groups
self.store.get_state_groups_ids.side_effect = store.get_state_groups_ids
self.store.get_events = store.get_events
store.register_events(graph.walk())
context_store = {}
@ -250,7 +265,7 @@ class StateTestCase(unittest.TestCase):
self.assertSetEqual(
{"START", "A", "C"},
{e.event_id for e in context_store["D"].current_state.values()}
{e_id for e_id in context_store["D"].current_state_ids.values()}
)
@defer.inlineCallbacks
@ -303,7 +318,9 @@ class StateTestCase(unittest.TestCase):
)
store = StateGroupStore()
self.store.get_state_groups.side_effect = store.get_state_groups
self.store.get_state_groups_ids.side_effect = store.get_state_groups_ids
self.store.get_events = store.get_events
store.register_events(graph.walk())
context_store = {}
@ -314,7 +331,7 @@ class StateTestCase(unittest.TestCase):
self.assertSetEqual(
{"START", "A", "B", "C"},
{e.event_id for e in context_store["E"].current_state.values()}
{e for e in context_store["E"].current_state_ids.values()}
)
@defer.inlineCallbacks
@ -384,7 +401,9 @@ class StateTestCase(unittest.TestCase):
graph = Graph(nodes, edges)
store = StateGroupStore()
self.store.get_state_groups.side_effect = store.get_state_groups
self.store.get_state_groups_ids.side_effect = store.get_state_groups_ids
self.store.get_events = store.get_events
store.register_events(graph.walk())
context_store = {}
@ -395,7 +414,7 @@ class StateTestCase(unittest.TestCase):
self.assertSetEqual(
{"A1", "A2", "A3", "A5", "B"},
{e.event_id for e in context_store["D"].current_state.values()}
{e for e in context_store["D"].current_state_ids.values()}
)
def _add_depths(self, nodes, edges):
@ -424,13 +443,8 @@ class StateTestCase(unittest.TestCase):
event, old_state=old_state
)
for k, v in context.current_state.items():
type, state_key = k
self.assertEqual(type, v.type)
self.assertEqual(state_key, v.state_key)
self.assertEqual(
set(old_state), set(context.current_state.values())
set(e.event_id for e in old_state), set(context.current_state_ids.values())
)
self.assertIsNone(context.state_group)
@ -449,14 +463,8 @@ class StateTestCase(unittest.TestCase):
event, old_state=old_state
)
for k, v in context.current_state.items():
type, state_key = k
self.assertEqual(type, v.type)
self.assertEqual(state_key, v.state_key)
self.assertEqual(
set(old_state),
set(context.current_state.values())
set(e.event_id for e in old_state), set(context.current_state_ids.values())
)
self.assertIsNone(context.state_group)
@ -473,20 +481,15 @@ class StateTestCase(unittest.TestCase):
group_name = "group_name_1"
self.store.get_state_groups.return_value = {
group_name: old_state,
self.store.get_state_groups_ids.return_value = {
group_name: {(e.type, e.state_key): e.event_id for e in old_state},
}
context = yield self.state.compute_event_context(event)
for k, v in context.current_state.items():
type, state_key = k
self.assertEqual(type, v.type)
self.assertEqual(state_key, v.state_key)
self.assertEqual(
set([e.event_id for e in old_state]),
set([e.event_id for e in context.current_state.values()])
set(context.current_state_ids.values())
)
self.assertEqual(group_name, context.state_group)
@ -503,20 +506,15 @@ class StateTestCase(unittest.TestCase):
group_name = "group_name_1"
self.store.get_state_groups.return_value = {
group_name: old_state,
self.store.get_state_groups_ids.return_value = {
group_name: {(e.type, e.state_key): e.event_id for e in old_state},
}
context = yield self.state.compute_event_context(event)
for k, v in context.current_state.items():
type, state_key = k
self.assertEqual(type, v.type)
self.assertEqual(state_key, v.state_key)
self.assertEqual(
set([e.event_id for e in old_state]),
set([e.event_id for e in context.current_state.values()])
set(context.current_state_ids.values())
)
self.assertIsNone(context.state_group)
@ -543,9 +541,14 @@ class StateTestCase(unittest.TestCase):
create_event(type="test4", state_key=""),
]
store = StateGroupStore()
store.register_events(old_state_1)
store.register_events(old_state_2)
self.store.get_events = store.get_events
context = yield self._get_context(event, old_state_1, old_state_2)
self.assertEqual(len(context.current_state), 6)
self.assertEqual(len(context.current_state_ids), 6)
self.assertIsNone(context.state_group)
@ -571,9 +574,14 @@ class StateTestCase(unittest.TestCase):
create_event(type="test4", state_key=""),
]
store = StateGroupStore()
store.register_events(old_state_1)
store.register_events(old_state_2)
self.store.get_events = store.get_events
context = yield self._get_context(event, old_state_1, old_state_2)
self.assertEqual(len(context.current_state), 6)
self.assertEqual(len(context.current_state_ids), 6)
self.assertIsNone(context.state_group)
@ -606,9 +614,16 @@ class StateTestCase(unittest.TestCase):
create_event(type="test1", state_key="1", depth=2),
]
store = StateGroupStore()
store.register_events(old_state_1)
store.register_events(old_state_2)
self.store.get_events = store.get_events
context = yield self._get_context(event, old_state_1, old_state_2)
self.assertEqual(old_state_2[2], context.current_state[("test1", "1")])
self.assertEqual(
old_state_2[2].event_id, context.current_state_ids[("test1", "1")]
)
# Reverse the depth to make sure we are actually using the depths
# during state resolution.
@ -625,17 +640,22 @@ class StateTestCase(unittest.TestCase):
create_event(type="test1", state_key="1", depth=1),
]
store.register_events(old_state_1)
store.register_events(old_state_2)
context = yield self._get_context(event, old_state_1, old_state_2)
self.assertEqual(old_state_1[2], context.current_state[("test1", "1")])
self.assertEqual(
old_state_1[2].event_id, context.current_state_ids[("test1", "1")]
)
def _get_context(self, event, old_state_1, old_state_2):
group_name_1 = "group_name_1"
group_name_2 = "group_name_2"
self.store.get_state_groups.return_value = {
group_name_1: old_state_1,
group_name_2: old_state_2,
self.store.get_state_groups_ids.return_value = {
group_name_1: {(e.type, e.state_key): e.event_id for e in old_state_1},
group_name_2: {(e.type, e.state_key): e.event_id for e in old_state_2},
}
return self.state.compute_event_context(event)