[tor-bugs] #15758 [Tor Browser]: Disable device sensors in Tor Browser

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#15758: Disable device sensors in Tor Browser
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 Reporter:  gk                                 |          Owner:  tbb-team
     Type:  defect                             |         Status:  new
 Priority:  normal                             |      Milestone:
Component:  Tor Browser                        |        Version:
 Keywords:  tbb-fingerprinting, tbb-4.5-alpha  |  Actual Points:
Parent ID:                                     |         Points:
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 I meant to file this bug for a while now but failed so far. We should
 disable the sensor API as getting data via/about device sensors may be a
 fingerprinting vector with little gain in the desktop world at least.
 Mozilla has a pref for this (introduced by
 https://bugzilla.mozilla.org/show_bug.cgi?id=740473),
 `device.sensors.enabled`.

 Thanks to totentanz for reporting and the commenter in
 https://blog.torproject.org/blog/tor-browser-408-released#comment-92426
 for reminding.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/15758>
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