Backchannel callbacks
Nodes use these callbacks to recover additional information from the request, such as a header or a certificate.
HttpCallback
Accesses user credentials sent in the Authorization
header:
Authorization: Basic bXlDbGllbnQ6Zm9yZ2Vyb2Nr
Class to import in scripts: com.sun.identity.authentication.spi.HttpCallback
LanguageCallback
Retrieves the locale from the request header for localizing text presented to the user.
Class to import in scripts: javax.security.auth.callback.LanguageCallback