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From: graillot <>
Subject: [Galene] Re: Help with JWT
Date: Wed, 03 Nov 2021 20:10:50 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

Hello Juliusz,

> I'm currently working on third-party authentication for Galene using 
> JWTs
> ("OAuth2" for those of you who like fancy enterprise acronyms), and I 
> need
> some help from people familiar with JWTs.
> 1. The username should be stored in "aud", right?
> 2. The group name should be stored in "sub", right?  Should that be the
>    naked group name, or the full URL ?

I think the username should be stored in sub and the group name should 
be stored in aud, it is a minor detail though and it should be fine 
either way.
I have a preference for the naked group name rather than the full URL.

> 3. Where do I stash the permissions granted to the user?  Should I use
>    a "collision-resistant" claim name, say 
> "",
>    or is it enough to just use "permissions"?  Perhaps 
> "galene-permissions"?

I think using a small name such as "perm" is also fine.
I also think that this field should be optional and have a sane default 
(maybe it could be set in the configuration?).

> 4. I'm planning to implement HS256 and ES256.  We good?

I think it's a good set of algorithms.

> -- Juliusz

In addition to that I think that the "nbf" and "exp" fields should also 
be checked by galene to ensure the validity of the token.

Here is a small proof of concept which is a minimal web server that has 
a LDAP backend and generates a token (with no permission at the moment) 
: <>.


      parent reply	other threads:[~2021-11-03 19:10 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-26 19:12 [Galene] " Juliusz Chroboczek
2021-10-26 19:47 ` [Galene] " Michael Ströder
2021-10-26 21:10   ` Juliusz Chroboczek
     [not found] ` <>
2021-11-03 19:10   ` graillot [this message]

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