Synapse 1.10.0rc2 (2020-02-06)

==============================
 
 Bugfixes
 --------
 
 - Fix an issue with cross-signing where device signatures were not sent to remote servers. ([\#6844](https://github.com/matrix-org/synapse/issues/6844))
 - Fix to the unknown remote device detection which was introduced in 1.10.rc1. ([\#6848](https://github.com/matrix-org/synapse/issues/6848))
 
 Internal Changes
 ----------------
 
 - Detect unexpected sender keys on remote encrypted events and resync device lists. ([\#6850](https://github.com/matrix-org/synapse/issues/6850))
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Merge tag 'v1.10.0rc2' into develop

Synapse 1.10.0rc2 (2020-02-06)
==============================

Bugfixes
--------

- Fix an issue with cross-signing where device signatures were not sent to remote servers. ([\#6844](https://github.com/matrix-org/synapse/issues/6844))
- Fix to the unknown remote device detection which was introduced in 1.10.rc1. ([\#6848](https://github.com/matrix-org/synapse/issues/6848))

Internal Changes
----------------

- Detect unexpected sender keys on remote encrypted events and resync device lists. ([\#6850](https://github.com/matrix-org/synapse/issues/6850))
This commit is contained in:
Erik Johnston 2020-02-06 11:04:03 +00:00
commit 2201ef8556
8 changed files with 90 additions and 23 deletions

View file

@ -1,7 +1,23 @@
Synapse 1.10.0rc2 (2020-02-06)
==============================
Bugfixes
--------
- Fix an issue with cross-signing where device signatures were not sent to remote servers. ([\#6844](https://github.com/matrix-org/synapse/issues/6844))
- Fix to the unknown remote device detection which was introduced in 1.10.rc1. ([\#6848](https://github.com/matrix-org/synapse/issues/6848))
Internal Changes
----------------
- Detect unexpected sender keys on remote encrypted events and resync device lists. ([\#6850](https://github.com/matrix-org/synapse/issues/6850))
Synapse 1.10.0rc1 (2020-01-31)
==============================
**WARNING**: As of this release Synapse validates `client_secret` parameters in the Client-Server API as per the spec. See [\#6766](https://github.com/matrix-org/synapse/issues/6766) for details.
**WARNING to client developers**: As of this release Synapse validates `client_secret` parameters in the Client-Server API as per the spec. See [\#6766](https://github.com/matrix-org/synapse/issues/6766) for details.
Features

View file

@ -36,7 +36,7 @@ try:
except ImportError:
pass
__version__ = "1.10.0rc1"
__version__ = "1.10.0rc2"
if bool(os.environ.get("SYNAPSE_TEST_PATCH_LOG_CONTEXTS", False)):
# We import here so that we don't have to install a bunch of deps when

View file

@ -77,12 +77,11 @@ class EventTypes(object):
Aliases = "m.room.aliases"
Redaction = "m.room.redaction"
ThirdPartyInvite = "m.room.third_party_invite"
Encryption = "m.room.encryption"
RelatedGroups = "m.room.related_groups"
RoomHistoryVisibility = "m.room.history_visibility"
CanonicalAlias = "m.room.canonical_alias"
Encryption = "m.room.encryption"
Encrypted = "m.room.encrypted"
RoomAvatar = "m.room.avatar"
RoomEncryption = "m.room.encryption"
GuestAccess = "m.room.guest_access"

View file

@ -598,7 +598,13 @@ class DeviceListUpdater(object):
# happens if we've missed updates.
resync = yield self._need_to_do_resync(user_id, pending_updates)
logger.debug("Need to re-sync devices for %r? %r", user_id, resync)
if logger.isEnabledFor(logging.INFO):
logger.info(
"Received device list update for %s, requiring resync: %s. Devices: %s",
user_id,
resync,
", ".join(u[0] for u in pending_updates),
)
if resync:
yield self.user_device_resync(user_id)

View file

@ -752,29 +752,75 @@ class FederationHandler(BaseHandler):
# For encrypted messages we check that we know about the sending device,
# if we don't then we mark the device cache for that user as stale.
if event.type == EventTypes.Encryption:
if event.type == EventTypes.Encrypted:
device_id = event.content.get("device_id")
sender_key = event.content.get("sender_key")
cached_devices = await self.store.get_cached_devices_for_user(event.sender)
resync = False # Whether we should resync device lists.
device = None
if device_id is not None:
cached_devices = await self.store.get_cached_devices_for_user(
event.sender
)
if device_id not in cached_devices:
device = cached_devices.get(device_id)
if device is None:
logger.info(
"Received event from remote device not in our cache: %s %s",
event.sender,
device_id,
)
await self.store.mark_remote_user_device_cache_as_stale(
event.sender
resync = True
# We also check if the `sender_key` matches what we expect.
if sender_key is not None:
# Figure out what sender key we're expecting. If we know the
# device and recognize the algorithm then we can work out the
# exact key to expect. Otherwise check it matches any key we
# have for that device.
if device:
keys = device.get("keys", {}).get("keys", {})
if event.content.get("algorithm") == "m.megolm.v1.aes-sha2":
# For this algorithm we expect a curve25519 key.
key_name = "curve25519:%s" % (device_id,)
current_keys = [keys.get(key_name)]
else:
# We don't know understand the algorithm, so we just
# check it matches a key for the device.
current_keys = keys.values()
elif device_id:
# We don't have any keys for the device ID.
current_keys = []
else:
# The event didn't include a device ID, so we just look for
# keys across all devices.
current_keys = (
key
for device in cached_devices
for key in device.get("keys", {}).get("keys", {}).values()
)
# Immediately attempt a resync in the background
if self.config.worker_app:
return run_in_background(self._user_device_resync, event.sender)
else:
return run_in_background(
self._device_list_updater.user_device_resync, event.sender
)
# We now check that the sender key matches (one of) the expected
# keys.
if sender_key not in current_keys:
logger.info(
"Received event from remote device with unexpected sender key: %s %s: %s",
event.sender,
device_id or "<no device_id>",
sender_key,
)
resync = True
if resync:
await self.store.mark_remote_user_device_cache_as_stale(event.sender)
# Immediately attempt a resync in the background
if self.config.worker_app:
return run_in_background(self._user_device_resync, event.sender)
else:
return run_in_background(
self._device_list_updater.user_device_resync, event.sender
)
@log_function
async def backfill(self, dest, room_id, limit, extremities):

View file

@ -360,7 +360,7 @@ class RoomCreationHandler(BaseHandler):
(EventTypes.RoomHistoryVisibility, ""),
(EventTypes.GuestAccess, ""),
(EventTypes.RoomAvatar, ""),
(EventTypes.Encryption, ""),
(EventTypes.RoomEncryption, ""),
(EventTypes.ServerACL, ""),
(EventTypes.RelatedGroups, ""),
(EventTypes.PowerLevels, ""),

View file

@ -286,7 +286,7 @@ class StatsHandler(StateDeltasHandler):
room_state["history_visibility"] = event_content.get(
"history_visibility"
)
elif typ == EventTypes.Encryption:
elif typ == EventTypes.RoomEncryption:
room_state["encryption"] = event_content.get("algorithm")
elif typ == EventTypes.Name:
room_state["name"] = event_content.get("name")

View file

@ -744,7 +744,7 @@ class StatsStore(StateDeltasStore):
EventTypes.Create,
EventTypes.JoinRules,
EventTypes.RoomHistoryVisibility,
EventTypes.Encryption,
EventTypes.RoomEncryption,
EventTypes.Name,
EventTypes.Topic,
EventTypes.RoomAvatar,
@ -816,7 +816,7 @@ class StatsStore(StateDeltasStore):
room_state["history_visibility"] = event.content.get(
"history_visibility"
)
elif event.type == EventTypes.Encryption:
elif event.type == EventTypes.RoomEncryption:
room_state["encryption"] = event.content.get("algorithm")
elif event.type == EventTypes.Name:
room_state["name"] = event.content.get("name")