IdToken modification possibility

By: Lukasz Golinski Account Admin 10 Feb 2022 at 9 a.m. CST

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Lukasz Golinski gravatar
Hi, I would like to ask what are the possibilities of the idToken update during the authentication process. We have two use cases we would like to address. * we would like to dynamically updated the amr claim in the idToken (currently it is bound to ACR script level property) * we would like also to be able to change the acr claim (this is required for the FTN Profile Compatibility) Is there a way to modify it from the person authentication script, or in some other way? Thank you in advance for the response on that matter.
Gluu 4.3 Docker 20.1
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Answers

By Aliaksandr Samuseu staff 10 Feb 2022 at 10:41 a.m. CST

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Aliaksandr Samuseu gravatar
Hi, Lukasz. In 4.3 we now have a custom script of "update token" type. It should allow to manipulate any claims of JWT token, including it_token, though I personally haven't tried to update `acr` or `amr` claims with it. @Yuriy.Zabrovarnyy , should this be possible with this kind of script?

By Aliaksandr Samuseu staff 10 Feb 2022 at 10:44 a.m. CST

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Aliaksandr Samuseu gravatar
This if for OpenBanking platform, but seems like the code is the same, or similar enough, and it shows how you can change values of some claims: https://gluu.org/docs/openbanking/1.0.0/scripts/update-token/

By Yuriy Zabrovarnyy staff 10 Feb 2022 at 11:04 a.m. CST

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Yuriy Zabrovarnyy gravatar
Yes, it's true with `UpdateTokenType` you have full access (CRUD) to ID Token claims.

By Aliaksandr Samuseu staff 10 Feb 2022 at 11:06 a.m. CST

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Aliaksandr Samuseu gravatar
Thanks, Yuriy. Lukasz, could you give it a try, and let us know how it goes?

By Lukasz Golinski Account Admin 11 Feb 2022 at 3:49 a.m. CST

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Lukasz Golinski gravatar
This approach works fine. This is what we were looking for. Thank you.

By Aliaksandr Samuseu staff 11 Feb 2022 at 9:40 a.m. CST

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Aliaksandr Samuseu gravatar
You're welcome, glad it helped. Closing the ticket then.

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