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handle empty backups according to latest spec proposal #4123

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merged 8 commits into from
Nov 5, 2018

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@uhoreg uhoreg commented Oct 30, 2018

fixes #4056

@uhoreg uhoreg requested a review from a team October 30, 2018 18:57
@@ -209,9 +209,15 @@ def on_GET(self, request, room_id, session_id):
)

if session_id:
room_keys = room_keys['rooms'][room_id]['sessions'][session_id]
if room_keys['rooms'] == {}:
raise SynapseError(404, "No room_keys found", Codes.NOT_FOUND)
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NotFoundError is a thing, fwiw

@@ -63,13 +63,13 @@ def get_room_keys(self, user_id, version, room_id=None, session_id=None):
# we deliberately take the lock to get keys so that changing the version
# works atomically
with (yield self._upload_linearizer.queue(user_id)):
# make sure the backup version exists
yield self.store.get_e2e_room_keys_version_info(user_id, version)
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does this return a 404 or a 400?

@@ -209,9 +209,15 @@ def on_GET(self, request, room_id, session_id):
)

if session_id:
room_keys = room_keys['rooms'][room_id]['sessions'][session_id]
if room_keys['rooms'] == {}:
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I'm finding this a bit opaque, and I think it could do with some comments to explain what's going on.

It feels odd to me that, if the room is missing from the backup, we 404 if the session_id is passed, but not if it isn't.

@uhoreg uhoreg requested a review from a team November 1, 2018 04:44
@turt2live turt2live requested review from a team and removed request for a team November 1, 2018 04:58
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lgtm otherwise

synapse/handlers/e2e_room_keys.py Show resolved Hide resolved
@uhoreg uhoreg merged commit f108710 into develop Nov 5, 2018
@uhoreg uhoreg deleted the uhoreg/e2e_backup_fix_404 branch November 5, 2018 22:59
hawkowl added a commit that referenced this pull request Nov 19, 2018
Features
--------

- Include flags to optionally add `m.login.terms` to the registration flow when consent tracking is enabled.
([\#4004](#4004), [\#4133](#4133),
[\#4142](#4142), [\#4184](#4184))
- Support for replacing rooms with new ones ([\#4091](#4091), [\#4099](#4099),
[\#4100](#4100), [\#4101](#4101))

Bugfixes
--------

- Fix exceptions when using the email mailer on Python 3. ([\#4095](#4095))
- Fix e2e key backup with more than 9 backup versions ([\#4113](#4113))
- Searches that request profile info now no longer fail with a 500. ([\#4122](#4122))
- fix return code of empty key backups ([\#4123](#4123))
- If the typing stream ID goes backwards (as on a worker when the master restarts), the worker's typing handler will no longer erroneously report rooms containing new
typing events. ([\#4127](#4127))
- Fix table lock of device_lists_remote_cache which could freeze the application ([\#4132](#4132))
- Fix exception when using state res v2 algorithm ([\#4135](#4135))
- Generating the user consent URI no longer fails on Python 3. ([\#4140](#4140),
[\#4163](#4163))
- Loading URL previews from the DB cache on Postgres will no longer cause Unicode type errors when responding to the request, and URL previews will no longer fail if
the remote server returns a Content-Type header with the chartype in quotes. ([\#4157](#4157))
- The hash_password script now works on Python 3. ([\#4161](#4161))
- Fix noop checks when updating device keys, reducing spurious device list update notifications. ([\#4164](#4164))

Deprecations and Removals
-------------------------

- The disused and un-specced identicon generator has been removed. ([\#4106](#4106))
- The obsolete and non-functional /pull federation endpoint has been removed. ([\#4118](#4118))
- The deprecated v1 key exchange endpoints have been removed. ([\#4119](#4119))
- Synapse will no longer fetch keys using the fallback deprecated v1 key exchange method and will now always use v2.
([\#4120](#4120))

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

- Fix build of Docker image with docker-compose ([\#3778](#3778))
- Delete unreferenced state groups during history purge ([\#4006](#4006))
- The "Received rdata" log messages on workers is now logged at DEBUG, not INFO. ([\#4108](#4108))
- Reduce replication traffic for device lists ([\#4109](#4109))
- Fix `synapse_replication_tcp_protocol_*_commands` metric label to be full command name, rather than just the first character
([\#4110](#4110))
- Log some bits about room creation ([\#4121](#4121))
- Fix `tox` failure on old systems ([\#4124](#4124))
- Add STATE_V2_TEST room version ([\#4128](#4128))
- Clean up event accesses and tests ([\#4137](#4137))
- The default logging config will now set an explicit log file encoding of UTF-8. ([\#4138](#4138))
- Add helpers functions for getting prev and auth events of an event ([\#4139](#4139))
- Add some tests for the HTTP pusher. ([\#4149](#4149))
- add purge_history.sh and purge_remote_media.sh scripts to contrib/ ([\#4155](#4155))
- HTTP tests have been refactored to contain less boilerplate. ([\#4156](#4156))
- Drop incoming events from federation for unknown rooms ([\#4165](#4165))
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2 participants