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Re: [XHR] Open issue: allow setting User-Agent?

From: Anne van Kesteren <annevk@annevk.nl>
Date: Tue, 9 Oct 2012 16:45:54 +0200
Message-ID: <CADnb78gBGg=GHYry2Jf0+RSxNOXRDn3+8RLH_n4RB_JZLHQoUw@mail.gmail.com>
To: "Hallvord R. M. Steen" <hallvord@opera.com>
Cc: Julian Aubourg <j@ubourg.net>, Jungkee Song <jungkee.song@samsung.com>, "public-webapps@w3.org" <public-webapps@w3.org>
On Tue, Oct 9, 2012 at 3:29 PM, Hallvord R. M. Steen <hallvord@opera.com> wrote:
> However, if you consider the CORS angle you'll see that scripts out there
> are already being written to interact with another site's backend, and such
> scripts may face the same challenges as a user script or extension using XHR
> including backend sniffing. That's why experience from user.js development
> is now relevant for general web tech, and why I'm making this argument.

If you consider CORS you also need to consider that if we allow
developers to set user-agent a preflight request would be required for
that header (and the server would need to allow it to be custom). So
it's not quite that simple and would not actually help.

Received on Tuesday, 9 October 2012 14:46:21 UTC

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