[tbb-bugs] #13025 [Tor Browser]: Lie about the screen orientation

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Sep 2 12:18:07 UTC 2014

#13025: Lie about the screen orientation
     Reporter:           |      Owner:  tbb-team
  mikeperry              |     Status:  new
         Type:  defect   |  Milestone:
     Priority:  major    |    Version:
    Component:  Tor      |   Keywords:  ff31-esr, tbb-easy, tbb-
  Browser                |  fingerprinting, TorBrowserTeam201409Easy
   Resolution:           |  Parent ID:
Actual Points:           |
       Points:           |

Comment (by gacar):

 I guess TBB should return the same (and the most common) value for
 everyone, which would be `landscape-primary`.

 It seems `Screen.orientation` is still behind a moz- prefix in ESR31 and
 could be easily patched: [https://mxr.mozilla.org/mozilla-
 esr31/source/dom/base/nsScreen.cpp#166 `nsScreen::mozOrientation`].

Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13025#comment:5>
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