diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py
index d3ecebd29f..49068c06d9 100644
--- a/synapse/handlers/federation.py
+++ b/synapse/handlers/federation.py
@@ -21,8 +21,8 @@ import logging
import sys
import six
-from six import iteritems
-from six.moves import http_client
+from six import iteritems, itervalues
+from six.moves import http_client, zip
from signedjson.key import decode_verify_key_bytes
from signedjson.sign import verify_signed_json
@@ -43,7 +43,6 @@ from synapse.crypto.event_signing import (
add_hashes_and_signatures,
compute_event_signature,
)
-from synapse.events.utils import prune_event
from synapse.events.validator import EventValidator
from synapse.state import resolve_events_with_factory
from synapse.types import UserID, get_domain_from_id
@@ -52,8 +51,8 @@ from synapse.util.async import Linearizer
from synapse.util.distributor import user_joined_room
from synapse.util.frozenutils import unfreeze
from synapse.util.logutils import log_function
-from synapse.util.metrics import measure_func
from synapse.util.retryutils import NotRetryingDestination
+from synapse.visibility import filter_events_for_server
from ._base import BaseHandler
@@ -487,7 +486,10 @@ class FederationHandler(BaseHandler):
# joined the room. Don't bother if the user is just
# changing their profile info.
newly_joined = True
- prev_state_id = context.prev_state_ids.get(
+
+ prev_state_ids = yield context.get_prev_state_ids(self.store)
+
+ prev_state_id = prev_state_ids.get(
(event.type, event.state_key)
)
if prev_state_id:
@@ -501,137 +503,6 @@ class FederationHandler(BaseHandler):
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):
- """Filter the given events for the given server, redacting those the
- server can't see.
-
- Assumes the server is currently in the room.
-
- Returns
- list[FrozenEvent]
- """
- # First lets check to see if all the events have a history visibility
- # of "shared" or "world_readable". If thats the case then we don't
- # need to check membership (as we know the server is in the room).
- event_to_state_ids = yield self.store.get_state_ids_for_events(
- frozenset(e.event_id for e in events),
- types=(
- (EventTypes.RoomHistoryVisibility, ""),
- )
- )
-
- visibility_ids = set()
- for sids in event_to_state_ids.itervalues():
- hist = sids.get((EventTypes.RoomHistoryVisibility, ""))
- if hist:
- visibility_ids.add(hist)
-
- # If we failed to find any history visibility events then the default
- # is "shared" visiblity.
- if not visibility_ids:
- defer.returnValue(events)
-
- event_map = yield self.store.get_events(visibility_ids)
- all_open = all(
- e.content.get("history_visibility") in (None, "shared", "world_readable")
- for e in event_map.itervalues()
- )
-
- if all_open:
- defer.returnValue(events)
-
- # Ok, so we're dealing with events that have non-trivial visibility
- # rules, so we need to also get the memberships of the room.
-
- event_to_state_ids = yield self.store.get_state_ids_for_events(
- frozenset(e.event_id for e in events),
- types=(
- (EventTypes.RoomHistoryVisibility, ""),
- (EventTypes.Member, None),
- )
- )
-
- # 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 Exception:
- return False
-
- # Parses mapping `event_id -> (type, state_key) -> state event_id`
- # to get all state ids that we're interested in.
- event_map = yield self.store.get_events([
- e_id
- for key_to_eid in list(event_to_state_ids.values())
- for key, e_id in key_to_eid.items()
- 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.iteritems()
- if inner_e_id in event_map
- }
- for e_id, key_to_eid in event_to_state_ids.iteritems()
- }
-
- erased_senders = yield self.store.are_users_erased(
- e.sender for e in events,
- )
-
- def redact_disallowed(event, state):
- # if the sender has been gdpr17ed, always return a redacted
- # copy of the event.
- if erased_senders[event.sender]:
- logger.info(
- "Sender of %s has been erased, redacting",
- event.event_id,
- )
- return prune_event(event)
-
- if not state:
- return event
-
- history = state.get((EventTypes.RoomHistoryVisibility, ''), None)
- if history:
- visibility = history.content.get("history_visibility", "shared")
- if visibility in ["invited", "joined"]:
- # We now loop through all state events looking for
- # membership states for the requesting server to determine
- # if the server is either in the room or has been invited
- # into the room.
- for ev in state.itervalues():
- if ev.type != EventTypes.Member:
- continue
- try:
- domain = get_domain_from_id(ev.state_key)
- except Exception:
- continue
-
- if domain != server_name:
- continue
-
- memtype = ev.membership
- if memtype == Membership.JOIN:
- return event
- elif memtype == Membership.INVITE:
- if visibility == "invited":
- return event
- else:
- return prune_event(event)
-
- return event
-
- defer.returnValue([
- redact_disallowed(e, event_to_state[e.event_id])
- for e in events
- ])
-
@log_function
@defer.inlineCallbacks
def backfill(self, dest, room_id, limit, extremities):
@@ -863,7 +734,7 @@ class FederationHandler(BaseHandler):
"""
joined_users = [
(state_key, int(event.depth))
- for (e_type, state_key), event in state.iteritems()
+ for (e_type, state_key), event in iteritems(state)
if e_type == EventTypes.Member
and event.membership == Membership.JOIN
]
@@ -880,7 +751,7 @@ class FederationHandler(BaseHandler):
except Exception:
pass
- return sorted(joined_domains.iteritems(), key=lambda d: d[1])
+ return sorted(joined_domains.items(), key=lambda d: d[1])
curr_domains = get_domains_from_state(curr_state)
@@ -943,7 +814,7 @@ class FederationHandler(BaseHandler):
tried_domains = set(likely_domains)
tried_domains.add(self.server_name)
- event_ids = list(extremities.iterkeys())
+ event_ids = list(extremities.keys())
logger.debug("calling resolve_state_groups in _maybe_backfill")
resolve = logcontext.preserve_fn(
@@ -959,15 +830,15 @@ class FederationHandler(BaseHandler):
states = dict(zip(event_ids, [s.state for s in states]))
state_map = yield self.store.get_events(
- [e_id for ids in states.itervalues() for e_id in ids.itervalues()],
+ [e_id for ids in itervalues(states) for e_id in itervalues(ids)],
get_prev_content=False
)
states = {
key: {
k: state_map[e_id]
- for k, e_id in state_dict.iteritems()
+ for k, e_id in iteritems(state_dict)
if e_id in state_map
- } for key, state_dict in states.iteritems()
+ } for key, state_dict in iteritems(states)
}
for e_id, _ in sorted_extremeties_tuple:
@@ -1038,16 +909,6 @@ class FederationHandler(BaseHandler):
[auth_id for auth_id, _ in event.auth_events],
include_given=True
)
-
- for event in auth:
- event.signatures.update(
- compute_event_signature(
- event,
- self.hs.hostname,
- self.hs.config.signing_key[0]
- )
- )
-
defer.returnValue([e for e in auth])
@log_function
@@ -1248,10 +1109,12 @@ class FederationHandler(BaseHandler):
user = UserID.from_string(event.state_key)
yield user_joined_room(self.distributor, user, event.room_id)
- state_ids = list(context.prev_state_ids.values())
+ prev_state_ids = yield context.get_prev_state_ids(self.store)
+
+ state_ids = list(prev_state_ids.values())
auth_chain = yield self.store.get_auth_chain(state_ids)
- state = yield self.store.get_events(list(context.prev_state_ids.values()))
+ state = yield self.store.get_events(list(prev_state_ids.values()))
defer.returnValue({
"state": list(state.values()),
@@ -1416,7 +1279,7 @@ class FederationHandler(BaseHandler):
@log_function
def on_make_leave_request(self, room_id, user_id):
""" We've received a /make_leave/ request, so we create a partial
- join event for the room and return that. We do *not* persist or
+ leave event for the room and return that. We do *not* persist or
process it until the other server has signed it and sent it back.
"""
builder = self.event_builder_factory.new({
@@ -1503,18 +1366,6 @@ class FederationHandler(BaseHandler):
del results[(event.type, event.state_key)]
res = list(results.values())
- for event in res:
- # We sign these again because there was a bug where we
- # incorrectly signed things the first time round
- if self.is_mine_id(event.event_id):
- event.signatures.update(
- compute_event_signature(
- event,
- self.hs.hostname,
- self.hs.config.signing_key[0]
- )
- )
-
defer.returnValue(res)
else:
defer.returnValue([])
@@ -1558,7 +1409,7 @@ class FederationHandler(BaseHandler):
limit
)
- events = yield self._filter_events_for_server(origin, room_id, events)
+ events = yield filter_events_for_server(self.store, origin, events)
defer.returnValue(events)
@@ -1586,18 +1437,6 @@ class FederationHandler(BaseHandler):
)
if event:
- if self.is_mine_id(event.event_id):
- # FIXME: This is a temporary work around where we occasionally
- # return events slightly differently than when they were
- # originally signed
- event.signatures.update(
- compute_event_signature(
- event,
- self.hs.hostname,
- self.hs.config.signing_key[0]
- )
- )
-
in_room = yield self.auth.check_host_in_room(
event.room_id,
origin
@@ -1605,8 +1444,8 @@ class FederationHandler(BaseHandler):
if not in_room:
raise AuthError(403, "Host not in room.")
- events = yield self._filter_events_for_server(
- origin, event.room_id, [event]
+ events = yield filter_events_for_server(
+ self.store, origin, [event],
)
event = events[0]
defer.returnValue(event)
@@ -1681,7 +1520,7 @@ class FederationHandler(BaseHandler):
yield self.store.persist_events(
[
(ev_info["event"], context)
- for ev_info, context in itertools.izip(event_infos, contexts)
+ for ev_info, context in zip(event_infos, contexts)
],
backfilled=backfilled,
)
@@ -1801,8 +1640,9 @@ class FederationHandler(BaseHandler):
)
if not auth_events:
+ prev_state_ids = yield context.get_prev_state_ids(self.store)
auth_events_ids = yield self.auth.compute_auth_events(
- event, context.prev_state_ids, for_verification=True,
+ event, prev_state_ids, for_verification=True,
)
auth_events = yield self.store.get_events(auth_events_ids)
auth_events = {
@@ -1862,15 +1702,6 @@ class FederationHandler(BaseHandler):
local_auth_chain, remote_auth_chain
)
- for event in ret["auth_chain"]:
- event.signatures.update(
- compute_event_signature(
- event,
- self.hs.hostname,
- self.hs.config.signing_key[0]
- )
- )
-
logger.debug("on_query_auth returning: %s", ret)
defer.returnValue(ret)
@@ -1896,8 +1727,8 @@ class FederationHandler(BaseHandler):
min_depth=min_depth,
)
- missing_events = yield self._filter_events_for_server(
- origin, room_id, missing_events,
+ missing_events = yield filter_events_for_server(
+ self.store, origin, missing_events,
)
defer.returnValue(missing_events)
@@ -2051,9 +1882,10 @@ class FederationHandler(BaseHandler):
break
if do_resolution:
+ prev_state_ids = yield context.get_prev_state_ids(self.store)
# 1. Get what we think is the auth chain.
auth_ids = yield self.auth.compute_auth_events(
- event, context.prev_state_ids
+ event, prev_state_ids
)
local_auth_chain = yield self.store.get_auth_chain(
auth_ids, include_given=True
@@ -2143,21 +1975,34 @@ class FederationHandler(BaseHandler):
k: a.event_id for k, a in iteritems(auth_events)
if k != event_key
}
- context.current_state_ids = dict(context.current_state_ids)
- context.current_state_ids.update(state_updates)
- if context.delta_ids is not None:
- context.delta_ids = dict(context.delta_ids)
- context.delta_ids.update(state_updates)
- context.prev_state_ids = dict(context.prev_state_ids)
- context.prev_state_ids.update({
+ current_state_ids = yield context.get_current_state_ids(self.store)
+ current_state_ids = dict(current_state_ids)
+
+ current_state_ids.update(state_updates)
+
+ prev_state_ids = yield context.get_prev_state_ids(self.store)
+ prev_state_ids = dict(prev_state_ids)
+
+ prev_state_ids.update({
k: a.event_id for k, a in iteritems(auth_events)
})
- context.state_group = yield self.store.store_state_group(
+
+ # create a new state group as a delta from the existing one.
+ prev_group = context.state_group
+ state_group = yield self.store.store_state_group(
event.event_id,
event.room_id,
- prev_group=context.prev_group,
- delta_ids=context.delta_ids,
- current_state_ids=context.current_state_ids,
+ prev_group=prev_group,
+ delta_ids=state_updates,
+ current_state_ids=current_state_ids,
+ )
+
+ yield context.update_state(
+ state_group=state_group,
+ current_state_ids=current_state_ids,
+ prev_state_ids=prev_state_ids,
+ prev_group=prev_group,
+ delta_ids=state_updates,
)
@defer.inlineCallbacks
@@ -2397,7 +2242,8 @@ class FederationHandler(BaseHandler):
event.content["third_party_invite"]["signed"]["token"]
)
original_invite = None
- original_invite_id = context.prev_state_ids.get(key)
+ prev_state_ids = yield context.get_prev_state_ids(self.store)
+ original_invite_id = prev_state_ids.get(key)
if original_invite_id:
original_invite = yield self.store.get_event(
original_invite_id, allow_none=True
@@ -2439,7 +2285,8 @@ class FederationHandler(BaseHandler):
signed = event.content["third_party_invite"]["signed"]
token = signed["token"]
- invite_event_id = context.prev_state_ids.get(
+ prev_state_ids = yield context.get_prev_state_ids(self.store)
+ invite_event_id = prev_state_ids.get(
(EventTypes.ThirdPartyInvite, token,)
)
|
