When I'm requesting a token from keycloak I want a specific header value (or extra form data) that was supplied in the request to be put in the JWT payload of the generated token. I've tried using a Script Mapper to get access to header values but I can't see how to get access to header values or data in the form data sent in any of the available script variables: user, realm, userSession, keyclockSession.
keycloak client protocol mapper (script mapper) to add request header into token
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1 Answers
You can get access to request headers using keycloakSession object, something like
keycloakSession.getContext().getRequestHeaders().getRequestHeader("User-Agent")
If you check the code for DefaultEvaluationContext class, that is how they add the User-Agent header.
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