[PROD-36670] Expose new headerValueCallback option that will called on every visible header #107
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Summary
This PR exposes a new callback function, the
headerValueCallback
. This function will be called on every visible header. And will give the ability to mutate the value of the header that will be logged.This is useful in cases where the header value contains sensitive data that needed to be hide.
This PR is created as part of fixing the following issue: https://workable.atlassian.net/browse/PROD-36670
where the JWT token is part of the
location
header and although that thelocation
header is needed to be logged it is also needed to not includeid_token
as part of it, because of a security issue.