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MatrixSynapse
mirror of https://github.com/matrix-org/synapse
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pull/7289/head
Andrew Morgan 2020-04-20 16:05:44 +01:00
parent 328242364b
commit 95dd9d55b7
2 changed files with 10 additions and 9 deletions
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17
synapse/handlers/e2e_keys.py
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@ -1005,22 +1005,22 @@ class E2eKeysHandler(object):
# We only get "master" and "self_signing" keys from remote servers
and key_type in ["master", "self_signing"]
):
key = yield self._retrieve_cross_signing_keys_for_remote_user(
key, key_id, verify_key = yield self._retrieve_cross_signing_keys_for_remote_user(
user, key_type
)
if key is None:
logger.debug("No %s key found for %s", key_type, user_id)
logger.warning("No %s key found for %s", key_type, user_id)
raise NotFoundError("No %s key found for %s" % (key_type, user_id))
try:
key_id, verify_key = get_verify_key_from_cross_signing_key(key)
except ValueError as e:
logger.debug(
logger.warning(
"Invalid %s key retrieved: %s - %s %s", key_type, key, type(e), e,
)
raise SynapseError(
502, "Invalid %s key retrieved from remote server", key_type
502, "Invalid %s key retrieved from remote server" % (key_type,)
)
return key, key_id, verify_key
@ -1028,7 +1028,7 @@ class E2eKeysHandler(object):
@defer.inlineCallbacks
def _retrieve_cross_signing_keys_for_remote_user(
self, user: UserID, desired_key_type: str,
) -> Tuple[Optional[Dict], Optional[str], Optional[VerifyKey]]:
):
"""Queries cross-signing keys for a remote user and saves them to the database
Only the key specified by `key_type` will be returned, while all retrieved keys
@ -1039,7 +1039,8 @@ class E2eKeysHandler(object):
desired_key_type: The type of key to receive. One of "master", "self_signing"
Returns:
A tuple of the retrieved key content, the key's ID and the matching VerifyKey.
Deferred[Tuple[Optional[Dict], Optional[str], Optional[VerifyKey]]]: A tuple
of the retrieved key content, the key's ID and the matching VerifyKey.
If the key cannot be retrieved, all values in the tuple will instead be None.
"""
try:
@ -1054,7 +1055,7 @@ class E2eKeysHandler(object):
type(e),
e,
)
return None
return None, None, None
# Process each of the retrieved cross-signing keys
final_key = None
@ -1079,7 +1080,7 @@ class E2eKeysHandler(object):
# algorithm and colon, which is the device ID
key_id, verify_key = get_verify_key_from_cross_signing_key(key_content)
except ValueError as e:
logger.debug(
logger.warning(
"Invalid %s key retrieved: %s - %s %s",
key_type,
key_content,