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dendrite/keyserver
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kegsay 6de29c1cd2
bugfix: E2EE device keys could sometimes not be sent to remote servers (#2466) 
* Fix flakey sytest 'Local device key changes get to remote servers'

* Debug logs

* Remove internal/test and use /test only

Remove a lot of ancient code too.

* Use FederationRoomserverAPI in more places

* Use more interfaces in federationapi; begin adding regression test

* Linting

* Add regression test

* Unbreak tests

* ALL THE LOGS

* Fix a race condition which could cause events to not be sent to servers

If a new room event which rewrites state arrives, we remove all joined hosts
then re-calculate them. This wasn't done in a transaction so for a brief period
we would have no joined hosts. During this interim, key change events which arrive
would not be sent to destination servers. This would sporadically fail on sytest.

* Unbreak new tests

* Linting
2022-05-17 13:23:35 +01:00
..
api Clean up interface definitions (#2427) 2022-05-06 12:39:26 +01:00
internal bugfix: E2EE device keys could sometimes not be sent to remote servers (#2466) 2022-05-17 13:23:35 +01:00
inthttp Clean up interface definitions (#2427) 2022-05-06 12:39:26 +01:00
producers Remove eduserver (#2306) 2022-03-29 14:14:35 +02:00
storage Fix OTK upload spam (#2448) 2022-05-11 17:15:18 +01:00
types Remove sarama/saramajetstream dependencies (#2138) 2022-02-04 13:08:13 +00:00
keyserver.go bugfix: E2EE device keys could sometimes not be sent to remote servers (#2466) 2022-05-17 13:23:35 +01:00
README.md Add boilerplate for key server APIs (#1196) 2020-07-13 16:02:35 +01:00

README.md

Key Server

This is an internal component which manages E2E keys from clients. It handles all the Key Management APIs with the exception of /keys/changes which is handled by Sync API. This component is designed to shard by user ID.

Keys are uploaded and stored in this component, and key changes are emitted to a Kafka topic for downstream components such as Sync API.

Internal APIs

  • PerformUploadKeys stores identity keys and one-time public keys for given user(s).
  • PerformClaimKeys acquires one-time public keys for given user(s). This may involve outbound federation calls.
  • QueryKeys returns identity keys for given user(s). This may involve outbound federation calls. This component may then cache federated identity keys to avoid repeatedly hitting remote servers.
  • A topic which emits identity keys every time there is a change (addition or deletion).

### Endpoint mappings

  • Client API maps /keys/upload to PerformUploadKeys.
  • Client API maps /keys/query to QueryKeys.
  • Client API maps /keys/claim to PerformClaimKeys.
  • Federation API maps /user/keys/query to QueryKeys.
  • Federation API maps /user/keys/claim to PerformClaimKeys.
  • Sync API maps /keys/changes to consuming from the Kafka topic.