WebUSB

[Kenneth Rohde Christiansen]

Adding Sakari and Babu, who might want to add a few people from our side.

Cheers
Kenneth

On Mon, Jan 9, 2017 at 10:20 AM Lars Knudsen <larsgk at gmail.com> wrote:

> Hi,
>
> I am currently looking into how we can make using WebUSB devices less
> painful for users on Linux.
>
> The main purpose of WebUSB (as far as I can see) is to enable certain CDC
> (in particular - but not limited to) devices communicate directly with
> browsers visiting certain trusted sites (listed inside a binary object
> store - sent on initial handshake).
>
> The spec is here: https://wicg.github.io/webusb/ (already running fine in
> chrome stable)
> Examples:
> https://www.youtube.com/watch?v=Z1Nk2hH2wFE
> https://www.youtube.com/watch?v=o7wGt9RfHVA
> https://twitter.com/denladeside/status/817451203076427783
>
> I'm guessing the solution will consist of 2 parts:
>
> 1. make sure no WebUSB device is picked up by modemmanager (modemmanager
> task)
>
> 2. make sure that webusb devices will be somehow accessible to be used by
> a browser running with user permissions (current temp solution listed here:
> adding user to plugdev, adding 0664 permissions to device:
> https://developers.google.com/web/updates/2016/03/access-usb-devices-on-the-web
> )  (udev/systemd task).
>
> For 2. we need to either making all webusb devices accessible or find some
> other way the browsers can - in a generic way - gain access.  In all cases,
> it's important that no USB interfaces has been pre-claimed by the system
> (e.g. by cdc_acm) or it should be possible for the browser to throw off the
> claims.
>
> thoughts?
>
> br
> Lars
>
>
>
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