Merge remote-tracking branch 'origin/release-v1.20.0' into matrix-org-hotfixes

pull/8675/head
Erik Johnston 2020-09-22 10:11:01 +01:00
commit 7b6f857aa9
10 changed files with 153 additions and 21 deletions

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@ -1,3 +1,62 @@
Synapse 1.20.0rc5 (2020-09-18)
==============================
In addition to the below, Synapse 1.20.0rc5 also includes the bug fix that was included in 1.19.3.
Features
--------
- Add flags to the `/versions` endpoint for whether new rooms default to using E2EE. ([\#8343](https://github.com/matrix-org/synapse/issues/8343))
Bugfixes
--------
- Fix rate limiting of federation `/send` requests. ([\#8342](https://github.com/matrix-org/synapse/issues/8342))
- Fix a longstanding bug where back pagination over federation could get stuck if it failed to handle a received event. ([\#8349](https://github.com/matrix-org/synapse/issues/8349))
Internal Changes
----------------
- Blacklist [MSC2753](https://github.com/matrix-org/matrix-doc/pull/2753) SyTests until it is implemented. ([\#8285](https://github.com/matrix-org/synapse/issues/8285))
Synapse 1.19.3 (2020-09-18)
===========================
Bugfixes
--------
- Partially mitigate bug where newly joined servers couldn't get past events in a room when there is a malformed event. ([\#8350](https://github.com/matrix-org/synapse/issues/8350))
Synapse 1.20.0rc4 (2020-09-16)
==============================
Synapse 1.20.0rc4 is identical to 1.20.0rc3, with the addition of the security fix that was included in 1.19.2.
Synapse 1.19.2 (2020-09-16)
===========================
Due to the issue below server admins are encouraged to upgrade as soon as possible.
Bugfixes
--------
- Fix joining rooms over federation that include malformed events. ([\#8324](https://github.com/matrix-org/synapse/issues/8324))
Synapse 1.20.0rc3 (2020-09-11)
==============================
Bugfixes
--------
- Fix a bug introduced in v1.20.0rc1 where the wrong exception was raised when invalid JSON data is encountered. ([\#8291](https://github.com/matrix-org/synapse/issues/8291))
Synapse 1.20.0rc2 (2020-09-09)
==============================

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@ -1 +0,0 @@
Fix a bug introduced in v1.20.0rc1 that the wrong exception was raised when invalid JSON data is encountered.

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@ -1 +0,0 @@
Fix fetching events from remote servers that are malformed.

14
debian/changelog vendored
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@ -1,9 +1,21 @@
matrix-synapse-py3 (1.19.0ubuntu1) UNRELEASED; urgency=medium
matrix-synapse-py3 (1.20.0ubuntu1) UNRELEASED; urgency=medium
* Use Type=notify in systemd service
-- Dexter Chua <dec41@srcf.net> Wed, 26 Aug 2020 12:41:36 +0000
matrix-synapse-py3 (1.19.3) stable; urgency=medium
* New synapse release 1.19.3.
-- Synapse Packaging team <packages@matrix.org> Fri, 18 Sep 2020 14:59:30 +0100
matrix-synapse-py3 (1.19.2) stable; urgency=medium
* New synapse release 1.19.2.
-- Synapse Packaging team <packages@matrix.org> Wed, 16 Sep 2020 12:50:30 +0100
matrix-synapse-py3 (1.19.1) stable; urgency=medium
* New synapse release 1.19.1.

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@ -48,7 +48,7 @@ try:
except ImportError:
pass
__version__ = "1.20.0rc2"
__version__ = "1.20.0rc5"
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

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@ -97,10 +97,16 @@ class FederationServer(FederationBase):
self.state = hs.get_state_handler()
self.device_handler = hs.get_device_handler()
self._federation_ratelimiter = hs.get_federation_ratelimiter()
self._server_linearizer = Linearizer("fed_server")
self._transaction_linearizer = Linearizer("fed_txn_handler")
# We cache results for transaction with the same ID
self._transaction_resp_cache = ResponseCache(
hs, "fed_txn_handler", timeout_ms=30000
)
self.transaction_actions = TransactionActions(self.store)
self.registry = hs.get_federation_registry()
@ -135,22 +141,44 @@ class FederationServer(FederationBase):
request_time = self._clock.time_msec()
transaction = Transaction(**transaction_data)
transaction_id = transaction.transaction_id # type: ignore
if not transaction.transaction_id: # type: ignore
if not transaction_id:
raise Exception("Transaction missing transaction_id")
logger.debug("[%s] Got transaction", transaction.transaction_id) # type: ignore
logger.debug("[%s] Got transaction", transaction_id)
# use a linearizer to ensure that we don't process the same transaction
# multiple times in parallel.
with (
await self._transaction_linearizer.queue(
(origin, transaction.transaction_id) # type: ignore
)
):
result = await self._handle_incoming_transaction(
origin, transaction, request_time
)
# We wrap in a ResponseCache so that we de-duplicate retried
# transactions.
return await self._transaction_resp_cache.wrap(
(origin, transaction_id),
self._on_incoming_transaction_inner,
origin,
transaction,
request_time,
)
async def _on_incoming_transaction_inner(
self, origin: str, transaction: Transaction, request_time: int
) -> Tuple[int, Dict[str, Any]]:
# Use a linearizer to ensure that transactions from a remote are
# processed in order.
with await self._transaction_linearizer.queue(origin):
# We rate limit here *after* we've queued up the incoming requests,
# so that we don't fill up the ratelimiter with blocked requests.
#
# This is important as the ratelimiter allows N concurrent requests
# at a time, and only starts ratelimiting if there are more requests
# than that being processed at a time. If we queued up requests in
# the linearizer/response cache *after* the ratelimiting then those
# queued up requests would count as part of the allowed limit of N
# concurrent requests.
with self._federation_ratelimiter.ratelimit(origin) as d:
await d
result = await self._handle_incoming_transaction(
origin, transaction, request_time
)
return result

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@ -45,7 +45,6 @@ from synapse.logging.opentracing import (
)
from synapse.server import HomeServer
from synapse.types import ThirdPartyInstanceID, get_domain_from_id
from synapse.util.ratelimitutils import FederationRateLimiter
from synapse.util.versionstring import get_version_string
logger = logging.getLogger(__name__)
@ -72,9 +71,7 @@ class TransportLayerServer(JsonResource):
super(TransportLayerServer, self).__init__(hs, canonical_json=False)
self.authenticator = Authenticator(hs)
self.ratelimiter = FederationRateLimiter(
self.clock, config=hs.config.rc_federation
)
self.ratelimiter = hs.get_federation_ratelimiter()
self.register_servlets()
@ -272,6 +269,8 @@ class BaseFederationServlet:
PREFIX = FEDERATION_V1_PREFIX # Allows specifying the API version
RATELIMIT = True # Whether to rate limit requests or not
def __init__(self, handler, authenticator, ratelimiter, server_name):
self.handler = handler
self.authenticator = authenticator
@ -335,7 +334,7 @@ class BaseFederationServlet:
)
with scope:
if origin:
if origin and self.RATELIMIT:
with ratelimiter.ratelimit(origin) as d:
await d
if request._disconnected:
@ -372,6 +371,10 @@ class BaseFederationServlet:
class FederationSendServlet(BaseFederationServlet):
PATH = "/send/(?P<transaction_id>[^/]*)/?"
# We ratelimit manually in the handler as we queue up the requests and we
# don't want to fill up the ratelimiter with blocked requests.
RATELIMIT = False
def __init__(self, handler, server_name, **kwargs):
super(FederationSendServlet, self).__init__(
handler, server_name=server_name, **kwargs

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@ -19,6 +19,7 @@
import logging
import re
from synapse.api.constants import RoomCreationPreset
from synapse.http.servlet import RestServlet
logger = logging.getLogger(__name__)
@ -31,6 +32,20 @@ class VersionsRestServlet(RestServlet):
super(VersionsRestServlet, self).__init__()
self.config = hs.config
# Calculate these once since they shouldn't change after start-up.
self.e2ee_forced_public = (
RoomCreationPreset.PUBLIC_CHAT
in self.config.encryption_enabled_by_default_for_room_presets
)
self.e2ee_forced_private = (
RoomCreationPreset.PRIVATE_CHAT
in self.config.encryption_enabled_by_default_for_room_presets
)
self.e2ee_forced_trusted_private = (
RoomCreationPreset.TRUSTED_PRIVATE_CHAT
in self.config.encryption_enabled_by_default_for_room_presets
)
def on_GET(self, request):
return (
200,
@ -62,6 +77,10 @@ class VersionsRestServlet(RestServlet):
"org.matrix.msc2432": True,
# Implements additional endpoints as described in MSC2666
"uk.half-shot.msc2666": True,
# Whether new rooms will be set to encrypted or not (based on presets).
"io.element.e2ee_forced.public": self.e2ee_forced_public,
"io.element.e2ee_forced.private": self.e2ee_forced_private,
"io.element.e2ee_forced.trusted_private": self.e2ee_forced_trusted_private,
},
},
)

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@ -114,6 +114,7 @@ from synapse.streams.events import EventSources
from synapse.types import DomainSpecificString
from synapse.util import Clock
from synapse.util.distributor import Distributor
from synapse.util.ratelimitutils import FederationRateLimiter
from synapse.util.stringutils import random_string
logger = logging.getLogger(__name__)
@ -642,6 +643,10 @@ class HomeServer(metaclass=abc.ABCMeta):
def get_replication_streams(self) -> Dict[str, Stream]:
return {stream.NAME: stream(self) for stream in STREAMS_MAP.values()}
@cache_in_self
def get_federation_ratelimiter(self) -> FederationRateLimiter:
return FederationRateLimiter(self.clock, config=self.config.rc_federation)
async def remove_pusher(self, app_id: str, push_key: str, user_id: str):
return await self.get_pusherpool().remove_pusher(app_id, push_key, user_id)

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@ -36,3 +36,11 @@ Inbound federation of state requires event_id as a mandatory paramater
# Blacklisted until https://github.com/matrix-org/synapse/pull/6486 lands
Can upload self-signing keys
# Blacklisted until MSC2753 is implemented
Local users can peek into world_readable rooms by room ID
We can't peek into rooms with shared history_visibility
We can't peek into rooms with invited history_visibility
We can't peek into rooms with joined history_visibility
Local users can peek by room alias
Peeked rooms only turn up in the sync for the device who peeked them