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add a tonne of docstring; make upload_room_keys properly assert version

This commit is contained in:
Matthew Hodgson 2017-12-27 23:35:10 +00:00 committed by Hubert Chathi
parent 9f500cb39e
commit 9f0791b7bd
1 changed files with 32 additions and 21 deletions
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29
synapse/storage/e2e_room_keys.py
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@ -67,6 +67,7 @@ class EndToEndRoomKeyStore(SQLBaseStore):
version(str): the version ID of the backup we're updating version(str): the version ID of the backup we're updating
room_id(str): the ID of the room whose keys we're setting room_id(str): the ID of the room whose keys we're setting
session_id(str): the session whose room_key we're setting session_id(str): the session whose room_key we're setting
room_key(dict): the room_key being set
Raises: Raises:
StoreError if stuff goes wrong, probably StoreError if stuff goes wrong, probably
""" """
@ -182,19 +183,28 @@ class EndToEndRoomKeyStore(SQLBaseStore):
desc="delete_e2e_room_keys", desc="delete_e2e_room_keys",
) )
@defer.inlineCallbacks def get_e2e_room_keys_version_info(self, user_id, version=None):
def get_e2e_room_keys_version_info(self, user_id, version): """Get info metadata about a version of our room_keys backup.
"""Get info etadata about a given version of our room_keys backup
Args: Args:
user_id(str): the user whose backup we're querying user_id(str): the user whose backup we're querying
version(str): the version ID of the backup we're querying about version(str): Optional. the version ID of the backup we're querying about
If missing, we return the information about the current version.
Raises:
StoreError: with code 404 if there are no e2e_room_keys_versions present
Returns: Returns:
A deferred dict giving the info metadata for this backup version A deferred dict giving the info metadata for this backup version
""" """
row = yield self._simple_select_one( def _get_e2e_room_keys_version_info_txn(txn):
if version is None:
txn.execute(
"SELECT MAX(version) FROM e2e_room_keys_versions WHERE user_id=?",
(user_id,)
)
version = txn.fetchone()[0]
return self._simple_select_one_txn(
table="e2e_room_keys_versions", table="e2e_room_keys_versions",
keyvalues={ keyvalues={
"user_id": user_id, "user_id": user_id,
@ -206,10 +216,12 @@ class EndToEndRoomKeyStore(SQLBaseStore):
"algorithm", "algorithm",
"auth_data", "auth_data",
), ),
desc="get_e2e_room_keys_version_info",
) )
defer.returnValue(row) return self.runInteraction(
desc="get_e2e_room_keys_version_info",
_get_e2e_room_keys_version_info_txn
)
def create_e2e_room_keys_version(self, user_id, info): def create_e2e_room_keys_version(self, user_id, info):
"""Atomically creates a new version of this user's e2e_room_keys store """Atomically creates a new version of this user's e2e_room_keys store
@ -224,7 +236,6 @@ class EndToEndRoomKeyStore(SQLBaseStore):
""" """
def _create_e2e_room_keys_version_txn(txn): def _create_e2e_room_keys_version_txn(txn):
txn.execute( txn.execute(
"SELECT MAX(version) FROM e2e_room_keys_versions WHERE user_id=?", "SELECT MAX(version) FROM e2e_room_keys_versions WHERE user_id=?",
(user_id,) (user_id,)