Auto-login user programatically?

[Peter Schober]

* Byte Flinger <byteflinger at gmail.com> [2013-08-01 12:38]:
> Well maybe I am making things more confusing than it should. The idea is
> that I'd like to perform an idp initiated login and right it seems that
> this is done through the unsolicited sso profile which seems to be mapped
> to the UsernamePassword login handler (as it takes me to the login page).
> Unfortunately it seems UsernamePassword login handler does not suit me (I
> may need to log the user in a different way) and I'd like to use my own
> login handler however I am uncertain if it is possible to use the
> UnsolicitedSSO profile handler with a custom login handler and if so how to
> do it as the only mention of customisation on the idp initiated wiki page
> is the MessageDecoder (Which at a quick glance does not seem to be what I
> am looking for).

I don't see anything regarding login handlers that states that they
need to or should care about behaviour of specific /profile/ handlers.
So I would assume any profile handler would work fine with any login
handler, including the unsolicited case.
-peter