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https://mau.dev/maunium/synapse.git
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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)) -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEF3tZXk38tRDFVnUIM/xY9qcRMEgFAl9kzk8ACgkQM/xY9qcR MEim6A//aERkhyLGRlGpLd37lCyFQCeffTMH1rTvu04iIBQBaUZ6g7CYWOpK43zT U8kt379+5OShjdAXs/X4XP+ucdHVbrwsRSP3hBS/fFLiDT0fJgP8uiSf5QqO6NnT OqDyXYjcXvj/c6tMKglVtsdh8u4hFwNZjGPMGG68IzJu14uEhnD100cL9jSB9bLB ongWpsQzzdGBpJPSFRjv9dCUSeRbzyUdl1t0uqzrNqyN9s/JnzFTn7ZYo6y3lnSS dHGVMMo/12M2PkbBHnbJVvDY5Q/R7ZxyXlpz0gvSNOQIw8FqYFnuB0Niy5dQhXSR Sy5h4qbczLxqbql1x+lmzeQm4ZMORsW/Tl4C3z6yK6OYaOCJHIf9en4DplTSTqp1 t+85JxWR2wH10d99YHBpaYKmkVovpwgchrO4YWrtXljUFAhhavzf+YiAdOHYT52s RDsDLsvjMbxEHsz4cHfycmshYhjzjb340wkoDXuQpj0zrO99d+Zd83xdK8pS0UQn OaljLRAd/5iBjTSyZPSrB1U5141OzlM3QZVJzaYAnP12yhR9eaX2twSCk+lPYOWd nhLJjNnj1B1XSGArthuE5NLyEiCPz6KyN2RhO0EOx5YjZN9TwH7LS9upyNFe1nN1 GIhO5gz+jWLuBZE3xzRNjJyCx/I/LolpCwGMvKDu6638rpsbrPs= =tT5/ -----END PGP SIGNATURE----- Merge tag 'v1.20.0rc5' into develop 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))
This commit is contained in:
Patrick Cloke
commit
00db7786de
10 changed files with 128 additions and 28 deletions
33
CHANGES.md
33
CHANGES.md
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@ -1,3 +1,36 @@
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Synapse 1.20.0rc5 (2020-09-18)
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==============================
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In addition to the below, Synapse 1.20.0rc5 also includes the bug fix that was included in 1.19.3.
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Features
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--------
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- Add flags to the `/versions` endpoint for whether new rooms default to using E2EE. ([\#8343](https://github.com/matrix-org/synapse/issues/8343))
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Bugfixes
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--------
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- Fix rate limiting of federation `/send` requests. ([\#8342](https://github.com/matrix-org/synapse/issues/8342))
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- 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))
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Internal Changes
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----------------
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- 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))
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Synapse 1.19.3 (2020-09-18)
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===========================
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Bugfixes
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--------
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- 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))
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Synapse 1.20.0rc4 (2020-09-16)
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==============================
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@ -1 +0,0 @@
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Blacklist [MSC2753](https://github.com/matrix-org/matrix-doc/pull/2753) SyTests until it is implemented.
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@ -1 +0,0 @@
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Fix ratelimitng of federation `/send` requests.
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6
debian/changelog
vendored
6
debian/changelog
vendored
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@ -4,6 +4,12 @@ matrix-synapse-py3 (1.20.0ubuntu1) UNRELEASED; urgency=medium
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-- Dexter Chua <dec41@srcf.net> Wed, 26 Aug 2020 12:41:36 +0000
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matrix-synapse-py3 (1.19.3) stable; urgency=medium
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* New synapse release 1.19.3.
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-- Synapse Packaging team <packages@matrix.org> Fri, 18 Sep 2020 14:59:30 +0100
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matrix-synapse-py3 (1.19.2) stable; urgency=medium
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* New synapse release 1.19.2.
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@ -48,7 +48,7 @@ try:
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except ImportError:
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pass
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__version__ = "1.20.0rc4"
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__version__ = "1.20.0rc5"
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if bool(os.environ.get("SYNAPSE_TEST_PATCH_LOG_CONTEXTS", False)):
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# We import here so that we don't have to install a bunch of deps when
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@ -217,11 +217,9 @@ class FederationClient(FederationBase):
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for p in transaction_data["pdus"]
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]
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# FIXME: We should handle signature failures more gracefully.
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pdus[:] = await make_deferred_yieldable(
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defer.gatherResults(
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self._check_sigs_and_hashes(room_version, pdus), consumeErrors=True,
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).addErrback(unwrapFirstError)
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# Check signatures and hash of pdus, removing any from the list that fail checks
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pdus[:] = await self._check_sigs_and_hash_and_fetch(
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dest, pdus, outlier=True, room_version=room_version
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)
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return pdus
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@ -917,15 +917,26 @@ class FederationHandler(BaseHandler):
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return events
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async def maybe_backfill(self, room_id, current_depth):
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async def maybe_backfill(
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self, room_id: str, current_depth: int, limit: int
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) -> bool:
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"""Checks the database to see if we should backfill before paginating,
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and if so do.
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Args:
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room_id
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current_depth: The depth from which we're paginating from. This is
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used to decide if we should backfill and what extremities to
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use.
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limit: The number of events that the pagination request will
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return. This is used as part of the heuristic to decide if we
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should back paginate.
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"""
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extremities = await self.store.get_oldest_events_with_depth_in_room(room_id)
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if not extremities:
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logger.debug("Not backfilling as no extremeties found.")
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return
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return False
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# We only want to paginate if we can actually see the events we'll get,
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# as otherwise we'll just spend a lot of resources to get redacted
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@ -978,16 +989,54 @@ class FederationHandler(BaseHandler):
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sorted_extremeties_tuple = sorted(extremities.items(), key=lambda e: -int(e[1]))
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max_depth = sorted_extremeties_tuple[0][1]
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# If we're approaching an extremity we trigger a backfill, otherwise we
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# no-op.
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#
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# We chose twice the limit here as then clients paginating backwards
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# will send pagination requests that trigger backfill at least twice
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# using the most recent extremity before it gets removed (see below). We
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# chose more than one times the limit in case of failure, but choosing a
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# much larger factor will result in triggering a backfill request much
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# earlier than necessary.
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if current_depth - 2 * limit > max_depth:
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logger.debug(
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"Not backfilling as we don't need to. %d < %d - 2 * %d",
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max_depth,
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current_depth,
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limit,
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)
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return False
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logger.debug(
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"room_id: %s, backfill: current_depth: %s, max_depth: %s, extrems: %s",
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room_id,
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current_depth,
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max_depth,
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sorted_extremeties_tuple,
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)
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# We ignore extremities that have a greater depth than our current depth
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# as:
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# 1. we don't really care about getting events that have happened
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# before our current position; and
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# 2. we have likely previously tried and failed to backfill from that
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# extremity, so to avoid getting "stuck" requesting the same
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# backfill repeatedly we drop those extremities.
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filtered_sorted_extremeties_tuple = [
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t for t in sorted_extremeties_tuple if int(t[1]) <= current_depth
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]
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# However, we need to check that the filtered extremities are non-empty.
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# If they are empty then either we can a) bail or b) still attempt to
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# backill. We opt to try backfilling anyway just in case we do get
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# relevant events.
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if filtered_sorted_extremeties_tuple:
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sorted_extremeties_tuple = filtered_sorted_extremeties_tuple
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# We don't want to specify too many extremities as it causes the backfill
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# request URI to be too long.
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extremities = dict(sorted_extremeties_tuple[:5])
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if current_depth > max_depth:
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logger.debug(
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"Not backfilling as we don't need to. %d < %d", max_depth, current_depth
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)
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return
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# Now we need to decide which hosts to hit first.
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# First we try hosts that are already in the room
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@ -358,9 +358,9 @@ class PaginationHandler:
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# if we're going backwards, we might need to backfill. This
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# requires that we have a topo token.
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if room_token.topological:
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max_topo = room_token.topological
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curr_topo = room_token.topological
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else:
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max_topo = await self.store.get_max_topological_token(
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curr_topo = await self.store.get_current_topological_token(
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room_id, room_token.stream
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)
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@ -379,13 +379,13 @@ class PaginationHandler:
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leave_token = RoomStreamToken.parse(leave_token_str)
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assert leave_token.topological is not None
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if leave_token.topological < max_topo:
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if leave_token.topological < curr_topo:
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from_token = from_token.copy_and_replace(
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"room_key", leave_token
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)
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await self.hs.get_handlers().federation_handler.maybe_backfill(
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room_id, max_topo
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room_id, curr_topo, limit=source_config.limit,
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)
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to_room_key = None
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@ -19,6 +19,7 @@
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import logging
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import re
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from synapse.api.constants import RoomCreationPreset
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from synapse.http.servlet import RestServlet
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logger = logging.getLogger(__name__)
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@ -31,6 +32,20 @@ class VersionsRestServlet(RestServlet):
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super().__init__()
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self.config = hs.config
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# Calculate these once since they shouldn't change after start-up.
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self.e2ee_forced_public = (
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RoomCreationPreset.PUBLIC_CHAT
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in self.config.encryption_enabled_by_default_for_room_presets
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)
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self.e2ee_forced_private = (
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RoomCreationPreset.PRIVATE_CHAT
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in self.config.encryption_enabled_by_default_for_room_presets
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)
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self.e2ee_forced_trusted_private = (
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RoomCreationPreset.TRUSTED_PRIVATE_CHAT
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in self.config.encryption_enabled_by_default_for_room_presets
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)
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def on_GET(self, request):
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return (
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200,
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@ -62,6 +77,10 @@ class VersionsRestServlet(RestServlet):
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"org.matrix.msc2432": True,
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# Implements additional endpoints as described in MSC2666
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"uk.half-shot.msc2666": True,
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# Whether new rooms will be set to encrypted or not (based on presets).
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"io.element.e2ee_forced.public": self.e2ee_forced_public,
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"io.element.e2ee_forced.private": self.e2ee_forced_private,
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"io.element.e2ee_forced.trusted_private": self.e2ee_forced_trusted_private,
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},
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},
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)
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@ -640,23 +640,20 @@ class StreamWorkerStore(EventsWorkerStore, SQLBaseStore, metaclass=abc.ABCMeta):
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)
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return "t%d-%d" % (row["topological_ordering"], row["stream_ordering"])
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async def get_max_topological_token(self, room_id: str, stream_key: int) -> int:
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"""Get the max topological token in a room before the given stream
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async def get_current_topological_token(self, room_id: str, stream_key: int) -> int:
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"""Gets the topological token in a room after or at the given stream
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ordering.
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Args:
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room_id
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stream_key
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Returns:
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The maximum topological token.
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"""
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sql = (
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"SELECT coalesce(max(topological_ordering), 0) FROM events"
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" WHERE room_id = ? AND stream_ordering < ?"
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"SELECT coalesce(MIN(topological_ordering), 0) FROM events"
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" WHERE room_id = ? AND stream_ordering >= ?"
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)
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row = await self.db_pool.execute(
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"get_max_topological_token", None, sql, room_id, stream_key
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"get_current_topological_token", None, sql, room_id, stream_key
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)
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return row[0][0] if row else 0
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