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Supply auth_chain along with current state in '/state/', fetch auth events from a remote server if we are missing some of them

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This commit is contained in:
Mark Haines 2014-12-18 18:47:13 +00:00
parent dbe77ec79a
commit 041ac476a5
4 changed files with 56 additions and 32 deletions
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29
synapse/federation/replication.py
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@ -256,31 +256,35 @@ class ReplicationLayer(object):
@defer.inlineCallbacks
@log_function
def get_state_for_context(self, destination, context, event_id=None):
def get_state_for_context(self, destination, context, event_id):
"""Requests all of the `current` state PDUs for a given context from
a remote home server.
Args:
destination (str): The remote homeserver to query for the state.
context (str): The context we're interested in.
event_id (str): The id of the event we want the state at.
Returns:
Deferred: Results in a list of PDUs.
"""
transaction_data = yield self.transport_layer.get_context_state(
result = yield self.transport_layer.get_context_state(
destination,
context,
event_id=event_id,
)
transaction = Transaction(**transaction_data)
pdus = [
self.event_from_pdu_json(p, outlier=True)
for p in transaction.pdus
self.event_from_pdu_json(p, outlier=True) for p in result["pdus"]
]
defer.returnValue(pdus)
auth_chain = [
self.event_from_pdu_json(p, outlier=True)
for p in result.get("auth_chain", [])
]
defer.returnValue((pdus, auth_chain))
@defer.inlineCallbacks
@log_function
@ -383,10 +387,16 @@ class ReplicationLayer(object):
context,
event_id,
)
auth_chain = yield self.store.get_auth_chain(
[pdu.event_id for pdu in pdus]
)
else:
raise NotImplementedError("Specify an event")
defer.returnValue((200, self._transaction_from_pdus(pdus).get_dict()))
defer.returnValue((200, {
"pdus": [pdu.get_pdu_json() for pdu in pdus],
"auth_chain": [pdu.get_pdu_json() for pdu in auth_chain],
}))
@defer.inlineCallbacks
@log_function
@ -573,6 +583,8 @@ class ReplicationLayer(object):
state = None
auth_chain = []
# We need to make sure we have all the auth events.
# for e_id, _ in pdu.auth_events:
# exists = yield self._get_persisted_pdu(
@ -645,7 +657,7 @@ class ReplicationLayer(object):
"_handle_new_pdu getting state for %s",
pdu.room_id
)
state = yield self.get_state_for_context(
state, auth_chain = yield self.get_state_for_context(
origin, pdu.room_id, pdu.event_id,
)
@ -655,6 +667,7 @@ class ReplicationLayer(object):
pdu,
backfilled=backfilled,
state=state,
auth_chain=auth_chain,
)
else:
ret = None