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rename hash to etag, to match MSC

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This commit is contained in:
Hubert Chathi 2019-11-06 14:45:20 -05:00
parent a5a59ab8ac
commit 160f434e13
4 changed files with 40 additions and 33 deletions
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21
synapse/handlers/e2e_room_keys.py
View file

@ -107,7 +107,7 @@ class E2eRoomKeysHandler(object):
Raises:
NotFoundError: if the backup version does not exist
Returns:
A dict containing the count and hash for the backup version
A dict containing the count and etag for the backup version
"""
# lock for consistency with uploading
@ -125,8 +125,13 @@ class E2eRoomKeysHandler(object):
yield self.store.delete_e2e_room_keys(user_id, version, room_id, session_id)
version_etag = version_info["etag"] + 1
yield self.store.update_e2e_room_keys_version(
user_id, version, None, version_etag
)
count = yield self.store.count_e2e_room_keys(user_id, version)
return {"count": count, "hash": version_info["hash"]}
return {"etag": str(version_etag), "count": count}
@trace
@defer.inlineCallbacks
@ -156,7 +161,7 @@ class E2eRoomKeysHandler(object):
}
Returns:
A dict containing the count and hash for the backup version
A dict containing the count and etag for the backup version
Raises:
NotFoundError: if there are no versions defined
@ -199,7 +204,7 @@ class E2eRoomKeysHandler(object):
user_id, version, room_keys["rooms"]
)
to_insert = [] # batch the inserts together
changed = False # if anything has changed, we need to update the hash
changed = False # if anything has changed, we need to update the etag
for room_id, room in iteritems(room_keys["rooms"]):
for session_id, room_key in iteritems(room["sessions"]):
log_kv(
@ -238,15 +243,15 @@ class E2eRoomKeysHandler(object):
if len(to_insert):
yield self.store.add_e2e_room_keys(user_id, version, to_insert)
version_hash = int(version_info["hash"])
version_etag = version_info["etag"]
if changed:
version_hash = version_hash + 1
version_etag = version_etag + 1
yield self.store.update_e2e_room_keys_version(
user_id, version, None, version_hash
user_id, version, None, version_etag
)
count = yield self.store.count_e2e_room_keys(user_id, version)
return {"hash": version_hash, "count": count}
return {"etag": str(version_etag), "count": count}
@staticmethod
def _should_replace_room_key(current_room_key, room_key):

16
synapse/storage/data_stores/main/e2e_room_keys.py
View file

@ -297,7 +297,7 @@ class EndToEndRoomKeyStore(SQLBaseStore):
version(str)
algorithm(str)
auth_data(object): opaque dict supplied by the client
hash(int): tag of the keys in the backup
etag(int): tag of the keys in the backup
"""
def _get_e2e_room_keys_version_info_txn(txn):
@ -315,12 +315,12 @@ class EndToEndRoomKeyStore(SQLBaseStore):
txn,
table="e2e_room_keys_versions",
keyvalues={"user_id": user_id, "version": this_version, "deleted": 0},
retcols=("version", "algorithm", "auth_data", "hash"),
retcols=("version", "algorithm", "auth_data", "etag"),
)
result["auth_data"] = json.loads(result["auth_data"])
result["version"] = str(result["version"])
if not result["hash"]:
result["hash"] = 0
if not result["etag"]:
result["etag"] = 0
return result
return self.runInteraction(
@ -370,7 +370,7 @@ class EndToEndRoomKeyStore(SQLBaseStore):
@trace
def update_e2e_room_keys_version(
self, user_id, version, info=None, version_hash=None
self, user_id, version, info=None, version_etag=None
):
"""Update a given backup version
@ -378,14 +378,14 @@ class EndToEndRoomKeyStore(SQLBaseStore):
user_id(str): the user whose backup version we're updating
version(str): the version ID of the backup version we're updating
info(dict): the new backup version info to store
version_hash(str): tag of the keys in the backup
version_etag(int): tag of the keys in the backup
"""
updatevalues = {}
if info and "auth_data" in info:
updatevalues["auth_data"] = json.dumps(info["auth_data"])
if version_hash:
updatevalues["hash"] = version_hash
if version_etag:
updatevalues["etag"] = version_etag
if updatevalues:
return self._simple_update(

4
synapse/storage/schema/delta/56/room_key_hash.sql → synapse/storage/data_stores/main/schema/delta/56/room_key_etag.sql
View file

@ -13,5 +13,5 @@
* limitations under the License.
*/
-- store the current hash of backup version
ALTER TABLE e2e_room_keys_versions ADD COLUMN hash TEXT;
-- store the current etag of backup version
ALTER TABLE e2e_room_keys_versions ADD COLUMN etag INTEGER UNSIGNED;

32
tests/handlers/test_e2e_room_keys.py
View file

@ -95,8 +95,8 @@ class E2eRoomKeysHandlerTestCase(unittest.TestCase):
# check we can retrieve it as the current version
res = yield self.handler.get_version_info(self.local_user)
version_hash = res["hash"]
del res["hash"]
version_etag = res["etag"]
del res["etag"]
self.assertDictEqual(
res,
{
@ -109,8 +109,8 @@ class E2eRoomKeysHandlerTestCase(unittest.TestCase):
# check we can retrieve it as a specific version
res = yield self.handler.get_version_info(self.local_user, "1")
self.assertEqual(res["hash"], version_hash)
del res["hash"]
self.assertEqual(res["etag"], version_etag)
del res["etag"]
self.assertDictEqual(
res,
{
@ -133,7 +133,7 @@ class E2eRoomKeysHandlerTestCase(unittest.TestCase):
# check we can retrieve it as the current version
res = yield self.handler.get_version_info(self.local_user)
del res["hash"]
del res["etag"]
self.assertDictEqual(
res,
{
@ -167,7 +167,7 @@ class E2eRoomKeysHandlerTestCase(unittest.TestCase):
# check we can retrieve it as the current version
res = yield self.handler.get_version_info(self.local_user)
del res["hash"]
del res["etag"]
self.assertDictEqual(
res,
{
@ -218,12 +218,14 @@ class E2eRoomKeysHandlerTestCase(unittest.TestCase):
# check we can retrieve it as the current version
res = yield self.handler.get_version_info(self.local_user)
del res["etag"] # etag is opaque, so don't test its contents
self.assertDictEqual(
res,
{
"algorithm": "m.megolm_backup.v1",
"auth_data": "revised_first_version_auth_data",
"version": version,
"count": 0
},
)
@ -420,9 +422,9 @@ class E2eRoomKeysHandlerTestCase(unittest.TestCase):
yield self.handler.upload_room_keys(self.local_user, version, room_keys)
# get the hash to compare to future versions
# get the etag to compare to future versions
res = yield self.handler.get_version_info(self.local_user)
backup_hash = res["hash"]
backup_etag = res["etag"]
self.assertEqual(res["count"], 1)
new_room_keys = copy.deepcopy(room_keys)
@ -439,9 +441,9 @@ class E2eRoomKeysHandlerTestCase(unittest.TestCase):
"SSBBTSBBIEZJU0gK",
)
# the hash should be the same since the session did not change
# the etag should be the same since the session did not change
res = yield self.handler.get_version_info(self.local_user)
self.assertEqual(res["hash"], backup_hash)
self.assertEqual(res["etag"], backup_etag)
# test that marking the session as verified however /does/ replace it
new_room_key["is_verified"] = True
@ -452,10 +454,10 @@ class E2eRoomKeysHandlerTestCase(unittest.TestCase):
res["rooms"]["!abc:matrix.org"]["sessions"]["c0ff33"]["session_data"], "new"
)
# the hash should NOT be equal now, since the key changed
# the etag should NOT be equal now, since the key changed
res = yield self.handler.get_version_info(self.local_user)
self.assertNotEqual(res["hash"], backup_hash)
backup_hash = res["hash"]
self.assertNotEqual(res["etag"], backup_etag)
backup_etag = res["etag"]
# test that a session with a higher forwarded_count doesn't replace one
# with a lower forwarding count
@ -468,9 +470,9 @@ class E2eRoomKeysHandlerTestCase(unittest.TestCase):
res["rooms"]["!abc:matrix.org"]["sessions"]["c0ff33"]["session_data"], "new"
)
# the hash should be the same since the session did not change
# the etag should be the same since the session did not change
res = yield self.handler.get_version_info(self.local_user)
self.assertEqual(res["hash"], backup_hash)
self.assertEqual(res["etag"], backup_etag)
# TODO: check edge cases as well as the common variations here