Popup flow

Allen Tom atom at yahoo-inc.com
Tue Sep 22 00:50:09 UTC 2009


Hi Darren,

I am not aware of any OAuth SPs which condone having their 
Login/Approval pages framed by a 3rd party website.  If the site embeds 
the SP's Login screen, the user has no way of telling if they're being 
phished.

The OpenID Popup Extension requires the RP to open the popup window with 
the Address Bar clearly displayed, and explictly forbids the OP's 
Login/Approval screen from being framed. Given that the address bar is 
displayed, the security properties of the popup window are identical to 
the browser redirect.

Allen

Darren Bounds wrote:
> I find it curious that these compromises have been embraced by the
> OAuth community to support a greater UX but they are not being
> embraced by OpenID. After all, isn't an iPhone UIWebView control just
> a different type of iFrame? You're still trusting parent application
> not to do something malicious.
>   



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