Move sig check out of _handle_new_pdu

When we receive PDUs via `get_missing_events`, we have already checked their
sigs, so there is no need to do it again.
This commit is contained in:
Richard van der Hoff 2017-03-09 13:15:27 +00:00
parent 3406333a58
commit e8b1721290

View File

@ -165,7 +165,7 @@ class FederationServer(FederationBase):
)
try:
yield self._handle_new_pdu(transaction.origin, pdu)
yield self._handle_received_pdu(transaction.origin, pdu)
results.append({})
except FederationError as e:
self.send_failure(e, transaction.origin)
@ -496,9 +496,44 @@ class FederationServer(FederationBase):
destination=None,
)
@defer.inlineCallbacks
def _handle_received_pdu(self, origin, pdu):
""" Process a PDU received in a federation /send/ transaction.
Args:
origin (str): server which sent the pdu
pdu (FrozenEvent): received pdu
Returns (Deferred): completes with None
Raises: FederationError if the signatures / hash do not match
"""
# Check signature.
try:
pdu = yield self._check_sigs_and_hash(pdu)
except SynapseError as e:
raise FederationError(
"ERROR",
e.code,
e.msg,
affected=pdu.event_id,
)
yield self._handle_new_pdu(origin, pdu, get_missing=True)
@defer.inlineCallbacks
@log_function
def _handle_new_pdu(self, origin, pdu, get_missing=True):
""" Process a PDU received via a federation /send/ transaction, or
via backfill of missing prev_events
Args:
origin (str): server which initiated the /send/ transaction. Will
be used to fetch missing events or state.
pdu (FrozenEvent): received PDU
get_missing (bool): True if we should fetch missing prev_events
Returns (Deferred): completes with None
"""
# We reprocess pdus when we have seen them only as outliers
existing = yield self._get_persisted_pdu(
@ -518,17 +553,6 @@ class FederationServer(FederationBase):
logger.debug("Already seen pdu %s", pdu.event_id)
return
# Check signature.
try:
pdu = yield self._check_sigs_and_hash(pdu)
except SynapseError as e:
raise FederationError(
"ERROR",
e.code,
e.msg,
affected=pdu.event_id,
)
state = None
auth_chain = []