On 2013-01-09 15:40, Adi Roiban wrote: > On 9 January 2013 15:04, Jan Urbański <wulc...@wulczer.org> wrote: >> On 09/01/13 13:49, Peter Westlake wrote: >>> http://twistedmatrix.com/documents/current/core/howto/cred.html says >>> that the avatarId parameter to IRealm.requestAvatar must be a string, >>> not even a Unicode string. I'm using LDAP for authentication, and the >>> checker retrieves the full LDAP entry for the user as a side-effect of >>> authentication. >> >> I remember discussing this on IRC with someone not long ago and he >> pointed me to this thread: >> >> http://twistedmatrix.com/pipermail/twisted-python/2010-September/022826.html >> >> I have faced a similar problem myself and after reading the code I've >> resolved to wilfully disregarding the documentation and passing tuples >> around, accepting that if it breaks, I get to keep both pieces. > > I am not an expert in Twisted, but from my understanding, the "string" > requirement is there to provide a plugable interface. So that you can > have generic credentials checkers, working with generic realms. > Having simple "strings" could also help with AvatarId serialization, > in case you have the CredentialsChecker on one computer and the you > will pass them over network/socket to a remote Realm. > > I have also asked over IRC and I got the good to go answer for using > anything as AvatarID. > > As long as you are only using your custom credentials checkers and > your custom realm, everything should be ok. > > I am using Objects as AvatarID without any problems.
I want to add here that the special avatarID for anonymous authenticationm, twisted.cred.checkers.ANONYMOUS, is defined as the empty tuple. -- ralphm _______________________________________________ Twisted-Python mailing list Twisted-Python@twistedmatrix.com http://twistedmatrix.com/cgi-bin/mailman/listinfo/twisted-python
