> Travis, thanks for the tip. I didn't know about
> FacebookSignatureUtils. My code is very similar, and in fact by
> looking at FacebookSignatureUtils I figured out how to use the md5
> digest.

> Laurent, I contacted aroth, so I hope that the code will be integrated
> soon.

> On Jan 2, 3:06 pm, "Laurent Perez" <hak...@gmail.com> wrote:

> > I'm implementing 1) because I didn't see FacebookSignatureUtils and
> > part of 2/3) in my own servlet filter code, but I second Travis, it'd
> > be interesting if your code could be added here.

> > Get in touch with aroth ? (group owner)

> > laurent

> > 2008/1/2, Travis Reeder <tree...@gmail.com>:

> > > I'd be interested, sounds like some useful utility methods. 1 is already
> > > implemented in FacebookSignatureUtils, but a wrapper that does it
> > > automatically sounds like a nice idea.

> > > Travis

> > >  On Jan 1, 2008 12:39 PM, Yoni <amir.y...@gmail.com> wrote:

> > > > The official php client includes a Facebook object (and a
> > > > FacebookDesktop object as well). This object uses FacebookRestClient,
> > > > but it also exposes a wealth of useful functionality which is sorely
> > > > missing from the current Java client.
> > > > I am writing a feature-by-feature Java implementation of this object,
> > > > and I would like to know if there is any interest by the developers
> > > > and users of this group to include it in the next version of this
> > > > project. Including this object will not break the drop-in
> > > > compatibility, of course.

> > > > Features provided by this object:

> > > > 1) Verifying that the various fb_sig_ parameters are authentic, using
> > > > md5 hashing with the app's secret key. I think this is an important
> > > > security feature. Facebook expects apps to do this, and with the php
> > > > client it happens automatically.

> > > > 2) Easy to use methods for login and authentication.
> > > > Facebook.require_login() to force login, Facebook.require_add () to
> > > > force the user to add the application, Facebook.require_frame() to
> > > > force the app to be inside a facebook frame (as opposed to a stand-
> > > > alone webapp).

> > > > 3) The above mentioned methods use a smart redirect feature. It emits
> > > > an fmbl redirect code if the page is in a canvas, or sends a "frame-
> > > > bypassing" redirect if using an iframe (so you don't nest duplicate
> > > > facebook navigation bars), or simply sends a redirect if the app is a
> > > > stand-alone webapp).

> > > > 3) Additional useful methods, such as Facebook.is_fb_canvas(),
> > > > Facebook.is_frame() to determine if the app is in a frame or canvas.

> > > > 4) Fall-back to using cookies for authentication if the fb_sig_ params
> > > > are not present (I haven't implemented this yet).

> > > > Please let me know if this would be useful for this project.
> > > > Thanks,
> > > > Yoni

> > --
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