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Kegsay f371783da7
Finish inbound E2E device lists (#1243) 
* Add tests for device list updates

* Add stale_device_lists table and use db before asking remote for device keys

* Fetch remote keys if all devices are requested

* Add display_name col to store remote device names

Few other tweaks to make `Server correctly handles incoming m.device_list_update`
pass.

* Fix sqlite otk bug

* Unbuffered channel to block /send causing sytest to not race anymore

* Linting and fix bug whereby we didn't send updated dl tokens to the client causing a tightloop on /sync sometimes

* No longer assert staleness as Update blocks on workers now

* Back out tweaks

* Bugfixes
 		2020-08-07 17:32:13 +01:00
..
api Process inbound device list updates from federation (#1240) 2020-08-05 13:41:16 +01:00
internal Finish inbound E2E device lists (#1243) 2020-08-07 17:32:13 +01:00
inthttp Process inbound device list updates from federation (#1240) 2020-08-05 13:41:16 +01:00
producers Generate stream IDs for locally uploaded device keys (#1236) 2020-08-03 17:07:06 +01:00
storage Finish inbound E2E device lists (#1243) 2020-08-07 17:32:13 +01:00
README.md Add boilerplate for key server APIs (#1196) 2020-07-13 16:02:35 +01:00
keyserver.go Add device list updater which manages updating remote device lists (#1242) 2020-08-06 17:48:10 +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.