Mfa in steps #17702
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Mfa in steps #17702
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Oftentimes, a filter has its own authentication manager or it has something specific that it needs to do regarding authentication that is independent of a shared authentication manager. Allowing the authentication manager to be post-processed allows an application to apply authentication-mechanism-specific post-processing to the authentication request and result.
There are a number of scenarios where it's desireable to update the authorities in an authentication after identity has already been established. For example, if a second factor is required or if temporary authorization is needed for a given page, these likely won't update the principal; they simply need to add more authorities to the existing authentication.
This is a handy implementation that allows an entry point to operate differently when there is already a known user in context. In some cases, it is not desireable to show the end user another form and ask them for their username when we already know it, for example.
When access is denied, if we have a way to obtain the missing authorities, this class allows that way to be specified.
This update allows AuthoritiesAuthorizationManager to operate in either and or or mode, given a list of authorities.
A configurer that extends the ability of any authentication configurer to participate as an additional authentication factor
Allowing individual authorities to expire offers enormous flexibility as far as granting authorities that need to be renewed independently from logging in.
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