diff --git a/synapse/crypto/keyring.py b/synapse/crypto/keyring.py
index 04beededdc..834b107705 100644
--- a/synapse/crypto/keyring.py
+++ b/synapse/crypto/keyring.py
@@ -275,10 +275,6 @@ class Keyring(object):
@defer.inlineCallbacks
def do_iterations():
with Measure(self.clock, "get_server_verify_keys"):
- # dict[str, dict[str, VerifyKey]]: results so far.
- # map server_name -> key_id -> VerifyKey
- merged_results = {}
-
# dict[str, set(str)]: keys to fetch for each server
missing_keys = {}
for verify_request in verify_requests:
@@ -288,29 +284,29 @@ class Keyring(object):
for fn in key_fetch_fns:
results = yield fn(missing_keys.items())
- merged_results.update(results)
# We now need to figure out which verify requests we have keys
# for and which we don't
missing_keys = {}
requests_missing_keys = []
for verify_request in verify_requests:
- server_name = verify_request.server_name
- result_keys = merged_results[server_name]
-
if verify_request.deferred.called:
# We've already called this deferred, which probably
# means that we've already found a key for it.
continue
+ server_name = verify_request.server_name
+
+ # see if any of the keys we got this time are sufficient to
+ # complete this VerifyKeyRequest.
+ result_keys = results.get(server_name, {})
for key_id in verify_request.key_ids:
- if key_id in result_keys:
+ key = result_keys.get(key_id)
+ if key:
with PreserveLoggingContext():
- verify_request.deferred.callback((
- server_name,
- key_id,
- result_keys[key_id],
- ))
+ verify_request.deferred.callback(
+ (server_name, key_id, key)
+ )
break
else:
# The else block is only reached if the loop above
@@ -344,27 +340,24 @@ class Keyring(object):
@defer.inlineCallbacks
def get_keys_from_store(self, server_name_and_key_ids):
"""
-
Args:
- server_name_and_key_ids (list[(str, iterable[str])]):
+ server_name_and_key_ids (iterable(Tuple[str, iterable[str]]):
list of (server_name, iterable[key_id]) tuples to fetch keys for
Returns:
- Deferred: resolves to dict[str, dict[str, VerifyKey]]: map from
+ Deferred: resolves to dict[str, dict[str, VerifyKey|None]]: map from
server_name -> key_id -> VerifyKey
"""
- res = yield logcontext.make_deferred_yieldable(defer.gatherResults(
- [
- run_in_background(
- self.store.get_server_verify_keys,
- server_name, key_ids,
- ).addCallback(lambda ks, server: (server, ks), server_name)
- for server_name, key_ids in server_name_and_key_ids
- ],
- consumeErrors=True,
- ).addErrback(unwrapFirstError))
-
- defer.returnValue(dict(res))
+ keys_to_fetch = (
+ (server_name, key_id)
+ for server_name, key_ids in server_name_and_key_ids
+ for key_id in key_ids
+ )
+ res = yield self.store.get_server_verify_keys(keys_to_fetch)
+ keys = {}
+ for (server_name, key_id), key in res.items():
+ keys.setdefault(server_name, {})[key_id] = key
+ defer.returnValue(keys)
@defer.inlineCallbacks
def get_keys_from_perspectives(self, server_name_and_key_ids):
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