Failed to login, get "Oops, your session has expired. Please try again."

[zhaohuabing]

Sometimes failed to log in the first time, but succeeded after a refresh.

user navigates to url -> redirected to OIDC provider -> login -> redirected back to original service -> user sees "Oops, your session has expired. Please try again."

in the browser -> user can refresh the page which fixes the issue and user is signed in

log from this event:

[2023-12-01 14:15:09.391] [console] [debug] Check: processing request https://c2d2.apps.dso.mil/oauth/callback?state=8MwlraGKWEWxtmJ96MGV2qHklvyQ2z8Bq1CyKNJsSvg&session_state=d178b39a-b273-4ba7-9b86-f6a39667417b&code=2919b5af-6846-4263-a579-75059a4ababe.d178b39a-b273-4ba7-9b86-f6a39667417b.c283dc72-0623-4fd3-b364-637c38d22f61 with filter chain c2d2
[2023-12-01 14:15:09.391] [console] [trace] New
[2023-12-01 14:15:09.391] [console] [trace] OidcFilter
[2023-12-01 14:15:09.391] [console] [trace] Process
[2023-12-01 14:15:09.391] [console] [debug] Call from @10.42.16.0 to dso.mil@10.42.11.10
[2023-12-01 14:15:09.391] [console] [trace] MatchesCallbackRequest: checking handler for https://c2d2.apps.dso.mil/oauth/callback?state=8MwlraGKWEWxtmJ96MGV2qHklvyQ2z8Bq1CyKNJsSvg&session_state=d178b39a-b273-4ba7-9b86-f6a39667417b&code=2919b5af-6846-4263-a579-75059a4ababe.d178b39a-b273-4ba7-9b86-f6a39667417b.c283dc72-0623-4fd3-b364-637c38d22f61
[2023-12-01 14:15:09.391] [console] [trace] MatchesCallbackRequest: matches_callback: true 
[2023-12-01 14:15:09.391] [console] [trace] RetrieveToken
[2023-12-01 14:15:09.391] [console] [trace] DecodeQueryData decode query: state=8MwlraGKWEWxtmJ96MGV2qHklvyQ2z8Bq1CyKNJsSvg&session_state=d178b39a-b273-4ba7-9b86-f6a39667417b&code=2919b5af-6846-4263-a579-75059a4ababe.d178b39a-b273-4ba7-9b86-f6a39667417b.c283dc72-0623-4fd3-b364-637c38d22f61
[2023-12-01 14:15:09.392] [console] [info] RetrieveToken: Missing state, nonce, and original url requested by the user. Cannot redirect.

[zhaohuabing]

I suspect it's caused by the sync lag between the redis master and redis slaves. A few retries would solve this.

[lsjostro]

@zhaohuabing you might want to have a look at an alternative implementation which is server side stateless, which means it can scale with the amount of replicas without a need for redis/db as a session store.
https://github.com/shelmangroup/envoy-oidc-authserver