[whatwg] Declarative unload data

Jonas Sicking jonas at sicking.cc
Mon May 7 23:25:17 PDT 2012

On Mon, May 7, 2012 at 12:30 PM, Tab Atkins Jr. <jackalmage at gmail.com> wrote:
> On Mon, May 7, 2012 at 9:05 PM, Jonas Sicking <jonas at sicking.cc> wrote:
>> On Mon, May 7, 2012 at 8:59 AM, Boris Zbarsky <bzbarsky at mit.edu> wrote:
>>> On 5/7/12 11:53 AM, Tab Atkins Jr. wrote:
>>>> Yes, definitely (unless you set .withCredentials on it or something,
>>>> like the XHR attribute).
>>> Hold on.  If you _do_ set withCredentials, you should be required to pass
>>> the credentials in or something.  Under no circumstances would prompting for
>>> credentials for a request associated with an already-unloaded page be OK
>>> from my point of view....
>> There seems to be some confusion here regarding how withCredentials
>> works. First of all withCredentials is a CORS thing. CORS requests
>> *never* pop up an authentication dialog. (There is also the question
>> of if we want to support CORS here, I suspect we do).
>> But I totally agree with Boris that we can't ever pop up security
>> dialogs for a site that the user has left.
> I definitely agree that we never pop up an auth dialog for an
> unloadHandler request.  That's just silly.
> If I'm understanding XHR's withCredentials flag, it just sends the
> *existing* ambient credentials, to apply against HTTP auth (along with
> cookies and such).  It doesn't prompt you for anything if you don't
> already have ambient credentials for a given site, right?


/ Jonas

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