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Merge pull request #47 from matrix-org/signature_failures 

Federation fixes.
This commit is contained in:
Erik Johnston 2015-02-05 14:03:00 +00:00
parent 26a041541b 650e32d455
commit f08bd95880
9 changed files with 427 additions and 270 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
synapse/api/auth.py
View File

@ -102,8 +102,6 @@ class Auth(object):
def check_host_in_room(self, room_id, host):
curr_state = yield self.state.get_current_state(room_id)
logger.debug("Got curr_state %s", curr_state)
for event in curr_state:
if event.type == EventTypes.Member:
try:
@ -360,7 +358,7 @@ class Auth(object):
def add_auth_events(self, builder, context):
yield run_on_reactor()
auth_ids = self.compute_auth_events(builder, context)
auth_ids = self.compute_auth_events(builder, context.current_state)
auth_events_entries = yield self.store.add_event_hashes(
auth_ids
@ -374,26 +372,26 @@ class Auth(object):
if v.event_id in auth_ids
}
def compute_auth_events(self, event, context):
def compute_auth_events(self, event, current_state):
if event.type == EventTypes.Create:
return []
auth_ids = []
key = (EventTypes.PowerLevels, "", )
power_level_event = context.current_state.get(key)
power_level_event = current_state.get(key)
if power_level_event:
auth_ids.append(power_level_event.event_id)
key = (EventTypes.JoinRules, "", )
join_rule_event = context.current_state.get(key)
join_rule_event = current_state.get(key)
key = (EventTypes.Member, event.user_id, )
member_event = context.current_state.get(key)
member_event = current_state.get(key)
key = (EventTypes.Create, "", )
create_event = context.current_state.get(key)
create_event = current_state.get(key)
if create_event:
auth_ids.append(create_event.event_id)

2
synapse/events/__init__.py
View File

@ -77,7 +77,7 @@ class EventBase(object):
return self.content["membership"]
def is_state(self):
return hasattr(self, "state_key")
return hasattr(self, "state_key") and self.state_key is not None
def get_dict(self):
d = dict(self._event_dict)

118
synapse/federation/federation_base.py Normal file
View File

@ -0,0 +1,118 @@
# -*- coding: utf-8 -*-
# Copyright 2015 OpenMarket Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from twisted.internet import defer
from synapse.events.utils import prune_event
from syutil.jsonutil import encode_canonical_json
from synapse.crypto.event_signing import check_event_content_hash
from synapse.api.errors import SynapseError
import logging
logger = logging.getLogger(__name__)
class FederationBase(object):
@defer.inlineCallbacks
def _check_sigs_and_hash_and_fetch(self, origin, pdus, outlier=False):
"""Takes a list of PDUs and checks the signatures and hashs of each
one. If a PDU fails its signature check then we check if we have it in
the database and if not then request if from the originating server of
that PDU.
If a PDU fails its content hash check then it is redacted.
The given list of PDUs are not modified, instead the function returns
a new list.
Args:
pdu (list)
outlier (bool)
Returns:
Deferred : A list of PDUs that have valid signatures and hashes.
"""
signed_pdus = []
for pdu in pdus:
try:
new_pdu = yield self._check_sigs_and_hash(pdu)
signed_pdus.append(new_pdu)
except SynapseError:
# FIXME: We should handle signature failures more gracefully.
# Check local db.
new_pdu = yield self.store.get_event(
pdu.event_id,
allow_rejected=True
)
if new_pdu:
signed_pdus.append(new_pdu)
continue
# Check pdu.origin
if pdu.origin != origin:
new_pdu = yield self.get_pdu(
destinations=[pdu.origin],
event_id=pdu.event_id,
outlier=outlier,
)
if new_pdu:
signed_pdus.append(new_pdu)
continue
logger.warn("Failed to find copy of %s with valid signature")
defer.returnValue(signed_pdus)
@defer.inlineCallbacks
def _check_sigs_and_hash(self, pdu):
"""Throws a SynapseError if the PDU does not have the correct
signatures.
Returns:
FrozenEvent: Either the given event or it redacted if it failed the
content hash check.
"""
# Check signatures are correct.
redacted_event = prune_event(pdu)
redacted_pdu_json = redacted_event.get_pdu_json()
try:
yield self.keyring.verify_json_for_server(
pdu.origin, redacted_pdu_json
)
except SynapseError:
logger.warn(
"Signature check failed for %s redacted to %s",
encode_canonical_json(pdu.get_pdu_json()),
encode_canonical_json(redacted_pdu_json),
)
raise
if not check_event_content_hash(pdu):
logger.warn(
"Event content has been tampered, redacting %s, %s",
pdu.event_id, encode_canonical_json(pdu.get_dict())
)
defer.returnValue(redacted_event)
defer.returnValue(pdu)

99
synapse/federation/federation_client.py
View File

@ -16,17 +16,11 @@
from twisted.internet import defer
from .federation_base import FederationBase
from .units import Edu
from synapse.util.logutils import log_function
from synapse.events import FrozenEvent
from synapse.events.utils import prune_event
from syutil.jsonutil import encode_canonical_json
from synapse.crypto.event_signing import check_event_content_hash
from synapse.api.errors import SynapseError
import logging
@ -34,7 +28,7 @@ import logging
logger = logging.getLogger(__name__)
class FederationClient(object):
class FederationClient(FederationBase):
@log_function
def send_pdu(self, pdu, destinations):
"""Informs the replication layer about a new PDU generated within the
@ -224,17 +218,17 @@ class FederationClient(object):
for p in result.get("auth_chain", [])
]
for i, pdu in enumerate(pdus):
pdus[i] = yield self._check_sigs_and_hash(pdu)
signed_pdus = yield self._check_sigs_and_hash_and_fetch(
destination, pdus, outlier=True
)
# FIXME: We should handle signature failures more gracefully.
signed_auth = yield self._check_sigs_and_hash_and_fetch(
destination, auth_chain, outlier=True
)
for i, pdu in enumerate(auth_chain):
auth_chain[i] = yield self._check_sigs_and_hash(pdu)
signed_auth.sort(key=lambda e: e.depth)
# FIXME: We should handle signature failures more gracefully.
defer.returnValue((pdus, auth_chain))
defer.returnValue((signed_pdus, signed_auth))
@defer.inlineCallbacks
@log_function
@ -248,14 +242,13 @@ class FederationClient(object):
for p in res["auth_chain"]
]
for i, pdu in enumerate(auth_chain):
auth_chain[i] = yield self._check_sigs_and_hash(pdu)
signed_auth = yield self._check_sigs_and_hash_and_fetch(
destination, auth_chain, outlier=True
)
# FIXME: We should handle signature failures more gracefully.
signed_auth.sort(key=lambda e: e.depth)
auth_chain.sort(key=lambda e: e.depth)
defer.returnValue(auth_chain)
defer.returnValue(signed_auth)
@defer.inlineCallbacks
def make_join(self, destination, room_id, user_id):
@ -291,21 +284,19 @@ class FederationClient(object):
for p in content.get("auth_chain", [])
]
for i, pdu in enumerate(state):
state[i] = yield self._check_sigs_and_hash(pdu)
signed_state = yield self._check_sigs_and_hash_and_fetch(
destination, state, outlier=True
)
# FIXME: We should handle signature failures more gracefully.
for i, pdu in enumerate(auth_chain):
auth_chain[i] = yield self._check_sigs_and_hash(pdu)
# FIXME: We should handle signature failures more gracefully.
signed_auth = yield self._check_sigs_and_hash_and_fetch(
destination, auth_chain, outlier=True
)
auth_chain.sort(key=lambda e: e.depth)
defer.returnValue({
"state": state,
"auth_chain": auth_chain,
"state": signed_state,
"auth_chain": signed_auth,
})
@defer.inlineCallbacks
@ -353,12 +344,18 @@ class FederationClient(object):
)
auth_chain = [
(yield self._check_sigs_and_hash(self.event_from_pdu_json(e)))
self.event_from_pdu_json(e)
for e in content["auth_chain"]
]
signed_auth = yield self._check_sigs_and_hash_and_fetch(
destination, auth_chain, outlier=True
)
signed_auth.sort(key=lambda e: e.depth)
ret = {
"auth_chain": auth_chain,
"auth_chain": signed_auth,
"rejects": content.get("rejects", []),
"missing": content.get("missing", []),
}
@ -373,37 +370,3 @@ class FederationClient(object):
event.internal_metadata.outlier = outlier
return event
@defer.inlineCallbacks
def _check_sigs_and_hash(self, pdu):
"""Throws a SynapseError if the PDU does not have the correct
signatures.
Returns:
FrozenEvent: Either the given event or it redacted if it failed the
content hash check.
"""
# Check signatures are correct.
redacted_event = prune_event(pdu)
redacted_pdu_json = redacted_event.get_pdu_json()
try:
yield self.keyring.verify_json_for_server(
pdu.origin, redacted_pdu_json
)
except SynapseError:
logger.warn(
"Signature check failed for %s redacted to %s",
encode_canonical_json(pdu.get_pdu_json()),
encode_canonical_json(redacted_pdu_json),
)
raise
if not check_event_content_hash(pdu):
logger.warn(
"Event content has been tampered, redacting %s, %s",
pdu.event_id, encode_canonical_json(pdu.get_dict())
)
defer.returnValue(redacted_event)
defer.returnValue(pdu)

57
synapse/federation/federation_server.py
View File

@ -16,16 +16,12 @@
from twisted.internet import defer
from .federation_base import FederationBase
from .units import Transaction, Edu
from synapse.util.logutils import log_function
from synapse.util.logcontext import PreserveLoggingContext
from synapse.events import FrozenEvent
from synapse.events.utils import prune_event
from syutil.jsonutil import encode_canonical_json
from synapse.crypto.event_signing import check_event_content_hash
from synapse.api.errors import FederationError, SynapseError
@ -35,7 +31,7 @@ import logging
logger = logging.getLogger(__name__)
class FederationServer(object):
class FederationServer(FederationBase):
def set_handler(self, handler):
"""Sets the handler that the replication layer will use to communicate
receipt of new PDUs from other home servers. The required methods are
@ -251,17 +247,20 @@ class FederationServer(object):
Deferred: Results in `dict` with the same format as `content`
"""
auth_chain = [
(yield self._check_sigs_and_hash(self.event_from_pdu_json(e)))
self.event_from_pdu_json(e)
for e in content["auth_chain"]
]
missing = [
(yield self._check_sigs_and_hash(self.event_from_pdu_json(e)))
for e in content.get("missing", [])
]
signed_auth = yield self._check_sigs_and_hash_and_fetch(
origin, auth_chain, outlier=True
)
ret = yield self.handler.on_query_auth(
origin, event_id, auth_chain, content.get("rejects", []), missing
origin,
event_id,
signed_auth,
content.get("rejects", []),
content.get("missing", []),
)
time_now = self._clock.time_msec()
@ -426,37 +425,3 @@ class FederationServer(object):
event.internal_metadata.outlier = outlier
return event
@defer.inlineCallbacks
def _check_sigs_and_hash(self, pdu):
"""Throws a SynapseError if the PDU does not have the correct
signatures.
Returns:
FrozenEvent: Either the given event or it redacted if it failed the
content hash check.
"""
# Check signatures are correct.
redacted_event = prune_event(pdu)
redacted_pdu_json = redacted_event.get_pdu_json()
try:
yield self.keyring.verify_json_for_server(
pdu.origin, redacted_pdu_json
)
except SynapseError:
logger.warn(
"Signature check failed for %s redacted to %s",
encode_canonical_json(pdu.get_pdu_json()),
encode_canonical_json(redacted_pdu_json),
)
raise
if not check_event_content_hash(pdu):
logger.warn(
"Event content has been tampered, redacting %s, %s",
pdu.event_id, encode_canonical_json(pdu.get_dict())
)
defer.returnValue(redacted_event)
defer.returnValue(pdu)

169
synapse/handlers/federation.py
View File

@ -30,6 +30,7 @@ from synapse.types import UserID
from twisted.internet import defer
import itertools
import logging
@ -123,8 +124,21 @@ class FederationHandler(BaseHandler):
logger.debug("Got event for room we're not in.")
current_state = state
event_ids = set()
if state:
event_ids |= {e.event_id for e in state}
if auth_chain:
event_ids |= {e.event_id for e in auth_chain}
seen_ids = (yield self.store.have_events(event_ids)).keys()
if state and auth_chain is not None:
for e in state:
# If we have any state or auth_chain given to us by the replication
# layer, then we should handle them (if we haven't before.)
for e in itertools.chain(auth_chain, state):
if e.event_id in seen_ids:
continue
e.internal_metadata.outlier = True
try:
auth_ids = [e_id for e_id, _ in e.auth_events]
@ -132,7 +146,10 @@ class FederationHandler(BaseHandler):
(e.type, e.state_key): e for e in auth_chain
if e.event_id in auth_ids
}
yield self._handle_new_event(origin, e, auth_events=auth)
yield self._handle_new_event(
origin, e, auth_events=auth
)
seen_ids.add(e.event_id)
except:
logger.exception(
"Failed to handle state event %s",
@ -498,6 +515,8 @@ class FederationHandler(BaseHandler):
"Failed to get destination from event %s", s.event_id
)
destinations.remove(origin)
logger.debug(
"on_send_join_request: Sending event: %s, signatures: %s",
event.event_id,
@ -618,6 +637,7 @@ class FederationHandler(BaseHandler):
event = yield self.store.get_event(
event_id,
allow_none=True,
allow_rejected=True,
)
if event:
@ -701,6 +721,8 @@ class FederationHandler(BaseHandler):
context.rejected = RejectedReason.AUTH_ERROR
# FIXME: Don't store as rejected with AUTH_ERROR if we haven't
# seen all the auth events.
yield self.store.persist_event(
event,
context=context,
@ -750,7 +772,7 @@ class FederationHandler(BaseHandler):
)
)
logger.debug("on_query_auth reutrning: %s", ret)
logger.debug("on_query_auth returning: %s", ret)
defer.returnValue(ret)
@ -770,41 +792,45 @@ class FederationHandler(BaseHandler):
if missing_auth:
logger.debug("Missing auth: %s", missing_auth)
# If we don't have all the auth events, we need to get them.
remote_auth_chain = yield self.replication_layer.get_event_auth(
origin, event.room_id, event.event_id
)
try:
remote_auth_chain = yield self.replication_layer.get_event_auth(
origin, event.room_id, event.event_id
)
seen_remotes = yield self.store.have_events(
[e.event_id for e in remote_auth_chain]
)
seen_remotes = yield self.store.have_events(
[e.event_id for e in remote_auth_chain]
)
for e in remote_auth_chain:
if e.event_id in seen_remotes.keys():
continue
for e in remote_auth_chain:
if e.event_id in seen_remotes.keys():
continue
if e.event_id == event.event_id:
continue
if e.event_id == event.event_id:
continue
try:
auth_ids = [e_id for e_id, _ in e.auth_events]
auth = {
(e.type, e.state_key): e for e in remote_auth_chain
if e.event_id in auth_ids
}
e.internal_metadata.outlier = True
try:
auth_ids = [e_id for e_id, _ in e.auth_events]
auth = {
(e.type, e.state_key): e for e in remote_auth_chain
if e.event_id in auth_ids
}
e.internal_metadata.outlier = True
logger.debug(
"do_auth %s missing_auth: %s",
event.event_id, e.event_id
)
yield self._handle_new_event(
origin, e, auth_events=auth
)
logger.debug(
"do_auth %s missing_auth: %s",
event.event_id, e.event_id
)
yield self._handle_new_event(
origin, e, auth_events=auth
)
if e.event_id in event_auth_events:
auth_events[(e.type, e.state_key)] = e
except AuthError:
pass
if e.event_id in event_auth_events:
auth_events[(e.type, e.state_key)] = e
except AuthError:
pass
except:
# FIXME:
logger.exception("Failed to get auth chain")
# FIXME: Assumes we have and stored all the state for all the
# prev_events
@ -816,50 +842,57 @@ class FederationHandler(BaseHandler):
logger.debug("Different auth: %s", different_auth)
# 1. Get what we think is the auth chain.
auth_ids = self.auth.compute_auth_events(event, context)
auth_ids = self.auth.compute_auth_events(
event, context.current_state
)
local_auth_chain = yield self.store.get_auth_chain(auth_ids)
# 2. Get remote difference.
result = yield self.replication_layer.query_auth(
origin,
event.room_id,
event.event_id,
local_auth_chain,
)
try:
# 2. Get remote difference.
result = yield self.replication_layer.query_auth(
origin,
event.room_id,
event.event_id,
local_auth_chain,
)
seen_remotes = yield self.store.have_events(
[e.event_id for e in result["auth_chain"]]
)
seen_remotes = yield self.store.have_events(
[e.event_id for e in result["auth_chain"]]
)
# 3. Process any remote auth chain events we haven't seen.
for ev in result["auth_chain"]:
if ev.event_id in seen_remotes.keys():
continue
# 3. Process any remote auth chain events we haven't seen.
for ev in result["auth_chain"]:
if ev.event_id in seen_remotes.keys():
continue
if ev.event_id == event.event_id:
continue
if ev.event_id == event.event_id:
continue
try:
auth_ids = [e_id for e_id, _ in ev.auth_events]
auth = {
(e.type, e.state_key): e for e in result["auth_chain"]
if e.event_id in auth_ids
}
ev.internal_metadata.outlier = True
try:
auth_ids = [e_id for e_id, _ in ev.auth_events]
auth = {
(e.type, e.state_key): e for e in result["auth_chain"]
if e.event_id in auth_ids
}
ev.internal_metadata.outlier = True
logger.debug(
"do_auth %s different_auth: %s",
event.event_id, e.event_id
)
logger.debug(
"do_auth %s different_auth: %s",
event.event_id, e.event_id
)
yield self._handle_new_event(
origin, ev, auth_events=auth
)
yield self._handle_new_event(
origin, ev, auth_events=auth
)
if ev.event_id in event_auth_events:
auth_events[(ev.type, ev.state_key)] = ev
except AuthError:
pass
if ev.event_id in event_auth_events:
auth_events[(ev.type, ev.state_key)] = ev
except AuthError:
pass
except:
# FIXME:
logger.exception("Failed to query auth chain")
# 4. Look at rejects and their proofs.
# TODO.
@ -983,7 +1016,7 @@ class FederationHandler(BaseHandler):
if reason is None:
# FIXME: ERRR?!
logger.warn("Could not find reason for %s", e.event_id)
raise RuntimeError("")
raise RuntimeError("Could not find reason for %s" % e.event_id)
reason_map[e.event_id] = reason

22
synapse/state.py
View File

@ -37,7 +37,10 @@ def _get_state_key_from_event(event):
KeyStateTuple = namedtuple("KeyStateTuple", ("context", "type", "state_key"))
AuthEventTypes = (EventTypes.Create, EventTypes.Member, EventTypes.PowerLevels,)
AuthEventTypes = (
EventTypes.Create, EventTypes.Member, EventTypes.PowerLevels,
EventTypes.JoinRules,
)
class StateHandler(object):
@ -100,7 +103,9 @@ class StateHandler(object):
context.state_group = None
if hasattr(event, "auth_events") and event.auth_events:
auth_ids = zip(*event.auth_events)[0]
auth_ids = self.hs.get_auth().compute_auth_events(
event, context.current_state
)
context.auth_events = {
k: v
for k, v in context.current_state.items()
@ -146,7 +151,9 @@ class StateHandler(object):
event.unsigned["replaces_state"] = replaces.event_id
if hasattr(event, "auth_events") and event.auth_events:
auth_ids = zip(*event.auth_events)[0]
auth_ids = self.hs.get_auth().compute_auth_events(
event, context.current_state
)
context.auth_events = {
k: v
for k, v in context.current_state.items()
@ -258,6 +265,15 @@ class StateHandler(object):
auth_events.update(resolved_state)
for key, events in conflicted_state.items():
if key[0] == EventTypes.JoinRules:
resolved_state[key] = self._resolve_auth_events(
events,
auth_events
)
auth_events.update(resolved_state)
for key, events in conflicted_state.items():
if key[0] == EventTypes.Member:
resolved_state[key] = self._resolve_auth_events(

211
synapse/storage/__init__.py
View File

@ -128,21 +128,144 @@ class DataStore(RoomMemberStore, RoomStore,
pass
@defer.inlineCallbacks
def get_event(self, event_id, allow_none=False):
events = yield self._get_events([event_id])
def get_event(self, event_id, check_redacted=True,
get_prev_content=False, allow_rejected=False,
allow_none=False):
"""Get an event from the database by event_id.
if not events:
if allow_none:
defer.returnValue(None)
else:
raise RuntimeError("Could not find event %s" % (event_id,))
Args:
event_id (str): The event_id of the event to fetch
check_redacted (bool): If True, check if event has been redacted
and redact it.
get_prev_content (bool): If True and event is a state event,
include the previous states content in the unsigned field.
allow_rejected (bool): If True return rejected events.
allow_none (bool): If True, return None if no event found, if
False throw an exception.
defer.returnValue(events[0])
Returns:
Deferred : A FrozenEvent.
"""
event = yield self.runInteraction(
"get_event", self._get_event_txn,
event_id,
check_redacted=check_redacted,
get_prev_content=get_prev_content,
allow_rejected=allow_rejected,
)
if not event and not allow_none:
raise RuntimeError("Could not find event %s" % (event_id,))
defer.returnValue(event)
@log_function
def _persist_event_txn(self, txn, event, context, backfilled,
stream_ordering=None, is_new_state=True,
current_state=None):
# We purposefully do this first since if we include a `current_state`
# key, we *want* to update the `current_state_events` table
if current_state:
txn.execute(
"DELETE FROM current_state_events WHERE room_id = ?",
(event.room_id,)
)
for s in current_state:
self._simple_insert_txn(
txn,
"current_state_events",
{
"event_id": s.event_id,
"room_id": s.room_id,
"type": s.type,
"state_key": s.state_key,
},
or_replace=True,
)
if event.is_state() and is_new_state:
if not backfilled and not context.rejected:
self._simple_insert_txn(
txn,
table="state_forward_extremities",
values={
"event_id": event.event_id,
"room_id": event.room_id,
"type": event.type,
"state_key": event.state_key,
},
or_replace=True,
)
for prev_state_id, _ in event.prev_state:
self._simple_delete_txn(
txn,
table="state_forward_extremities",
keyvalues={
"event_id": prev_state_id,
}
)
outlier = event.internal_metadata.is_outlier()
if not outlier:
self._store_state_groups_txn(txn, event, context)
self._update_min_depth_for_room_txn(
txn,
event.room_id,
event.depth
)
self._handle_prev_events(
txn,
outlier=outlier,
event_id=event.event_id,
prev_events=event.prev_events,
room_id=event.room_id,
)
have_persisted = self._simple_select_one_onecol_txn(
txn,
table="event_json",
keyvalues={"event_id": event.event_id},
retcol="event_id",
allow_none=True,
)
metadata_json = encode_canonical_json(
event.internal_metadata.get_dict()
)
# If we have already persisted this event, we don't need to do any
# more processing.
# The processing above must be done on every call to persist event,
# since they might not have happened on previous calls. For example,
# if we are persisting an event that we had persisted as an outlier,
# but is no longer one.
if have_persisted:
if not outlier:
sql = (
"UPDATE event_json SET internal_metadata = ?"
" WHERE event_id = ?"
)
txn.execute(
sql,
(metadata_json.decode("UTF-8"), event.event_id,)
)
sql = (
"UPDATE events SET outlier = 0"
" WHERE event_id = ?"
)
txn.execute(
sql,
(event.event_id,)
)
return
if event.type == EventTypes.Member:
self._store_room_member_txn(txn, event)
elif event.type == EventTypes.Feedback:
@ -154,8 +277,6 @@ class DataStore(RoomMemberStore, RoomStore,
elif event.type == EventTypes.Redaction:
self._store_redaction(txn, event)
outlier = event.internal_metadata.is_outlier()
event_dict = {
k: v
for k, v in event.get_dict().items()
@ -165,10 +286,6 @@ class DataStore(RoomMemberStore, RoomStore,
]
}
metadata_json = encode_canonical_json(
event.internal_metadata.get_dict()
)
self._simple_insert_txn(
txn,
table="event_json",
@ -224,41 +341,10 @@ class DataStore(RoomMemberStore, RoomStore,
)
raise _RollbackButIsFineException("_persist_event")
self._handle_prev_events(
txn,
outlier=outlier,
event_id=event.event_id,
prev_events=event.prev_events,
room_id=event.room_id,
)
if not outlier:
self._store_state_groups_txn(txn, event, context)
if context.rejected:
self._store_rejections_txn(txn, event.event_id, context.rejected)
if current_state:
txn.execute(
"DELETE FROM current_state_events WHERE room_id = ?",
(event.room_id,)
)
for s in current_state:
self._simple_insert_txn(
txn,
"current_state_events",
{
"event_id": s.event_id,
"room_id": s.room_id,
"type": s.type,
"state_key": s.state_key,
},
or_replace=True,
)
is_state = hasattr(event, "state_key") and event.state_key is not None
if is_state:
if event.is_state():
vals = {
"event_id": event.event_id,
"room_id": event.room_id,
@ -266,6 +352,7 @@ class DataStore(RoomMemberStore, RoomStore,
"state_key": event.state_key,
}
# TODO: How does this work with backfilling?
if hasattr(event, "replaces_state"):
vals["prev_state"] = event.replaces_state
@ -302,28 +389,6 @@ class DataStore(RoomMemberStore, RoomStore,
or_ignore=True,
)
if not backfilled and not context.rejected:
self._simple_insert_txn(
txn,
table="state_forward_extremities",
values={
"event_id": event.event_id,
"room_id": event.room_id,
"type": event.type,
"state_key": event.state_key,
},
or_replace=True,
)
for prev_state_id, _ in event.prev_state:
self._simple_delete_txn(
txn,
table="state_forward_extremities",
keyvalues={
"event_id": prev_state_id,
}
)
for hash_alg, hash_base64 in event.hashes.items():
hash_bytes = decode_base64(hash_base64)
self._store_event_content_hash_txn(
@ -354,13 +419,6 @@ class DataStore(RoomMemberStore, RoomStore,
txn, event.event_id, ref_alg, ref_hash_bytes
)
if not outlier:
self._update_min_depth_for_room_txn(
txn,
event.room_id,
event.depth
)
def _store_redaction(self, txn, event):
txn.execute(
"INSERT OR IGNORE INTO redactions "
@ -477,6 +535,9 @@ class DataStore(RoomMemberStore, RoomStore,
the rejected reason string if we rejected the event, else maps to
None.
"""
if not event_ids:
return defer.succeed({})
def f(txn):
sql = (
"SELECT e.event_id, reason FROM events as e "

5
tests/handlers/test_federation.py
View File

@ -91,7 +91,10 @@ class FederationTestCase(unittest.TestCase):
self.datastore.persist_event.return_value = defer.succeed(None)
self.datastore.get_room.return_value = defer.succeed(True)
self.auth.check_host_in_room.return_value = defer.succeed(True)
self.datastore.have_events.return_value = defer.succeed({})
def have_events(event_ids):
return defer.succeed({})
self.datastore.have_events.side_effect = have_events
def annotate(ev, old_state=None):
context = Mock()