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port tokenHandler callback from go-nats

See original GitHub issue

In some use cases auth tokens might have expiry (like JWTs). In those cases, it would be nice to have a mechanism to ask for a new token before using it for authentication. go-nats already had that functionality added. It would be great to make node-nats feature compatible.

Issue Analytics

State:
Created 4 years ago
Comments:8 (8 by maintainers)

Top GitHub Comments

1reaction

derekcollisoncommented, Apr 17, 2019

We need to look at more proactive re-authentication.

The Go client will read in the credentials files (new NATS 2.0 style security) such that the connection can be reestablished with the new credentials just by updating the file, but the connection will still be dropped by the server. We will do this work post 2.0.

0reactions

aricartcommented, Apr 22, 2019

@andriy-bulynko the changes are on master and currently in production on our ngs service (see https://www.synadia.com/ngs).

You can read about some of the underlying tech in: https://github.com/nats-io/jwt https://github.com/nats-io/nkeys https://github.com/nats-io/nsc

The nkey/jwt authentication effectively supersedes all the other mechanisms. Docs and visibility of the functionality will show up in the next few days as we release for 2.0. Stay tuned!

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