[Twisted-Python] Getting my Cred interfaces right: IUsername(Hashed)?Password
Laurens Van Houtven
_ at lvh.cc
Wed Nov 14 08:29:54 EST 2012
On Wed, Nov 14, 2012 at 1:29 PM, <exarkun at twistedmatrix.com> wrote:
> This isn't right. The point of declaring interfaces on the checker is
> so the system knows what kind of credentials it can check. If your
> credentials object implements a different interface than your checker
> declares it can check, the system won't ever ask the checker to check
> the credentials.
Just to be clear: the thing being checked, i.e. the thing being provided by
the user when logging in, is just an IUsernamePassword. Hence, the
credentialInterfaces list on the ICredentialsChecker is [IUsernamePassword].
The only place where IUsernameHashedPassword comes in to play is storage,
i.e. the thing I am checking the user-provided IUsernamePassword against.
Maybe code is better: https://gist.github.com/4072062 (old.py is what it is
now, new.py is what I'm proposing)
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