[webkit-dev] Allowing webkit clients to extend XHR security policy

Alexey Proskuryakov ap at webkit.org
Sun Apr 12 23:50:46 PDT 2009

Yes, making changes as discussed in bugzilla, plus removing  
registerURLSchemeAsLocal would be a fine direction.

- WBR, Alexey Proskuryakov

On 12.04.2009, at 22:58, Aaron Boodman wrote:

> It sounds to me like our current patch is the best fit because it fits
> our needs, will work with Chromium's out-of-process workers, plus it
> allows us to remove FrameLoader::registerURLSchemeAsLocal() as Alexey
> requested. It has the downside that the client will get called on
> multiple threads, but this will automatically be fixed when the
> DocumentThreadableLoader refactor work is done.
> Can I get a yay or nay (from Alexey or other interested people) on
> moving forward with that patch? We're happy to do the work to remove
> registerURLSchemeAsLocal() while we're in there.
> Alternatively, can I get an idea for a different approach that would
> be accepted?
> Thanks,
> - a
> On Fri, Apr 10, 2009 at 10:23 AM, Aaron Boodman <aa at chromium.org>  
> wrote:
>> On Thu, Apr 9, 2009 at 9:50 PM, David Levin <levin at google.com> wrote:
>>> On Thu, Apr 9, 2009 at 9:03 PM, Alexey Proskuryakov  
>>> <ap at webkit.org> wrote:
>>>> On 09.04.2009, at 22:38, Aaron Boodman wrote:
>>>>> The local scheme feature is actually more powerful than just XHR
>>>> If you only need extensions to do XHR, why not just make them use
>>>> cross-origin XHR? That way, the extension won't even need to  
>>>> declare the
>>>> origins it's going to access - all checks will be server-side, as  
>>>> with
>>>> normal cross-origin XHR.
>>> I think the idea is that a user could install an extension and the  
>>> user
>>> could trust the extension to do the cross-origin xhr (without the  
>>> server for
>>> the x-origin doing anything special).
>>> For example, I used to have the book burro FF extension
>>> (http://www.bookburro.org/) which displayed prices for books from  
>>> several
>>> book stores when you visit another online book store.
>> Exactly. Sorry for not making this clear in the original mail.
>> - a

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