Transform claim key not found to an empty string

[guilhermebentomarques]

Hi Ocelot team,

It's a question, not an issue.

Is it possible to check if a key exists and if not pass an empty string?

For example:

What I have:
"AddQueriesToRequest": { "userId": "Claims[sub] > value" }

Error Code: CannotFindClaimError Message:
Cannot find claim for key: sub errors found in ResponderMiddleware. Setting error response for request

What I would like to do (If the key doesn't exist, send an empty string.)
"AddQueriesToRequest": { "userId": "Claims[sub] ? Claims[sub] > value : '' " }

Thank you.

[ks1990cn]

@guilhermebentomarques No! this breaks functionality. Why you are trying to put claim key after being authenticated? Its not a right idea.

[raman-m]

Hello, Guilherme!
Welcome to Ocelot world!

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Error Code: CannotFindClaimError Message:
Cannot find claim for key: sub errors found in ResponderMiddleware. Setting error response for request

Why not to develop custom Delegating Handler module?
Why not to develop custom Authorization middleware or other middlewares as additional step to process the claims?

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What I would like to do (If the key doesn't exist, send an empty string.)
"AddQueriesToRequest": { "userId": "Claims[sub] ? Claims[sub] > value : '' " }

Ocelot doesn't support this syntax. We need to develop a feature.
We welcome any contributions from you.