feat: added optional userHandle
field to authentication response
#41
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What
The authentication response does not contain the optional
userHandle
field.Why
The original
AssertionResponse
object also containsuserHandle
field based on Webauthn spec. According to docs:The authenticator MUST always return a userHandle if the allowCredentials option used in the authentication ceremony is empty, and MAY return one otherwise.
However, in the current library the userHandle is never returned. userHandle field returns theuserId
provided in registration if the credential is discoverable (otherwise it is null) and we might need this value while authentication.How
Add optional userHandle field to
AuthenticationEncoded
type and authentication response of webauthn client.