perfsonar development work

[Nina Jeliazkova <>]

Jeff W. Boote wrote:
> Hi Nina,
>
> On Jun 27, 2008, at 2:37 AM, Nina Jeliazkova wrote:
> > Jeff W. Boote написа:
> > > pS-UI should be attempting to fetch the data without authentication, 
> > > and if the service requires authentication it should be responding 
> > > with a message (response-code) that says authentication-required. 
> > > (just like your web-browser ;) )
> > Yes, if AA is not switched on in psUI, it behaves just like this - 
> > returning an error code, and not retrieving data.
> >
> > If AA is not to be switched on manually , as in the current 
> > implementation, what is the recommended workflow?
>
> psUI will need to recognize this specific error code. When it gets it, 
> I would expect pSUI to prompt the user for authentication information. 
> If the user wants to enter the information to try it that way, they 
> can and you go forward as if they had checked your box. If they don't 
> want to, you don't do anything more.
>
> This requires an extra round-trip in the case where authentication is 
> required, but makes the workflow identical to the way authenticated 
> HTTP interactions happen with your web browser. (This was the 
> envisioned work-flow for the way the authentication was designed.)
>
> jeff
OK, thanks for the clarifications.

Regards,
Nina


> > Regards,
> > Nina
> >
> > > jeff
> > > On Jun 27, 2008, at 2:19 AM, Andreas Hanemann wrote:
> > >
> > > > Hi all,
> > > >
> > > > In perfsonarUI there is a difficulty that the tool does not know 
> > > > whether a service requires authentication or not. The current 
> > > > implementation therefore asks for credentials even if those 
> > > > services currently requested do not require authentication (and if 
> > > > the user has ticked the use of authentication in general). An 
> > > > improvement to the situation would be that services indicate on 
> > > > registration to the LS whether they require authentication. I am 
> > > > not sure whether a simple flag (authentication yes/no) would be a 
> > > > sufficient solution.
> > > >
> > > > Best regards
> > > > Andreas
> > > >
> > > > --
> > > > Dr. Andreas Hanemann      DFN-Verein
> > > > Stresemannstr. 78
> > > > 10963 Berlin, Germany
> > > > Tel.:   ++49 30 884299 64
> > > > Fax:    ++49 30 884299 70
> > > > E-Mail: 
> > > >
> > > >  (Please do not use 
> > > >
> > > >  anymore)
> >
> > --
> > ---------------------------------
> > Dr. Nina Nikolova-Jeliazkova
> > Institute for Parallel Processing
> > Bulgarian Academy of Sciences
> > Acad. G. Bonchev St 25-A
> > 1113 Sofia, Bulgaria
> > Tel: +359 886 802011
> > ICQ: 10705013
> > www: http://ambit.acad.bg/nina
> > ---------------------------------
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