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Fix handling of redacted events from federation #3859
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Was introduced by cd7ef43 |
If we receive an event that doesn't pass their content hash check (e.g. due to already being redacted) then we hit a bug which causes an exception to be raised, which then promplty stops the event (and request) from being processed. This effects all sorts of federation APIs, including joining rooms with a redacted state event.
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Features -------- - Python 3.5 and 3.6 support is now in beta. ([\#3576](#3576)) - Implement `event_format` filter param in `/sync` ([\#3790](#3790)) - Add synapse_admin_mau:registered_reserved_users metric to expose number of real reaserved users ([\#3846](#3846)) Bugfixes -------- - Remove connection ID for replication prometheus metrics, as it creates a large number of new series. ([\#3788](#3788)) - guest users should not be part of mau total ([\#3800](#3800)) - Bump dependency on pyopenssl 16.x, to avoid incompatibility with recent Twisted. ([\#3804](#3804)) - Fix existing room tags not coming down sync when joining a room ([\#3810](#3810)) - Fix jwt import check ([\#3824](#3824)) - fix VOIP crashes under Python 3 (#3821) ([\#3835](#3835)) - Fix manhole so that it works with latest openssh clients ([\#3841](#3841)) - Fix outbound requests occasionally wedging, which can result in federation breaking between servers. ([\#3845](#3845)) - Show heroes if room name/canonical alias has been deleted ([\#3851](#3851)) - Fix handling of redacted events from federation ([\#3859](#3859)) - ([\#3874](#3874)) - Mitigate outbound federation randomly becoming wedged ([\#3875](#3875)) Internal Changes ---------------- - CircleCI tests now run on the potential merge of a PR. ([\#3704](#3704)) - http/ is now ported to Python 3. ([\#3771](#3771)) - Improve human readable error messages for threepid registration/account update ([\#3789](#3789)) - Make /sync slightly faster by avoiding needless copies ([\#3795](#3795)) - handlers/ is now ported to Python 3. ([\#3803](#3803)) - Limit the number of PDUs/EDUs per federation transaction ([\#3805](#3805)) - Only start postgres instance for postgres tests on Travis CI ([\#3806](#3806)) - tests/ is now ported to Python 3. ([\#3808](#3808)) - crypto/ is now ported to Python 3. ([\#3822](#3822)) - rest/ is now ported to Python 3. ([\#3823](#3823)) - add some logging for the keyring queue ([\#3826](#3826)) - speed up lazy loading by 2-3x ([\#3827](#3827)) - Improved Dockerfile to remove build requirements after building reducing the image size. ([\#3834](#3834)) - Disable lazy loading for incremental syncs for now ([\#3840](#3840)) - federation/ is now ported to Python 3. ([\#3847](#3847)) - Log when we retry outbound requests ([\#3853](#3853)) - Removed some excess logging messages. ([\#3855](#3855)) - Speed up purge history for rooms that have been previously purged ([\#3856](#3856)) - Refactor some HTTP timeout code. ([\#3857](#3857)) - Fix running merged builds on CircleCI ([\#3858](#3858)) - Fix typo in replication stream exception. ([\#3860](#3860)) - Add in flight real time metrics for Measure blocks ([\#3871](#3871)) - Disable buffering and automatic retrying in treq requests to prevent timeouts. ([\#3872](#3872)) - mention jemalloc in the README ([\#3877](#3877)) - Remove unmaintained "nuke-room-from-db.sh" script ([\#3888](#3888))
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If we receive an event that doesn't pass their content hash check (e.g.
due to already being redacted) then we hit a bug which causes an
exception to be raised, which then promplty stops the event (and
request) from being processed.
This effects all sorts of federation APIs, including joining rooms with
a redacted state event.