[tor-bugs] #31951 [Applications/Tor Browser]: Disable "Full-screen browsing" by default on Android

Tor Bug Tracker & Wiki blackhole at torproject.org
Thu Oct 3 15:31:22 UTC 2019


#31951: Disable "Full-screen browsing" by default on Android
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 Reporter:  sysrqb                    |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:  tbb-mobile                |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by Thorin):

 I'm not sure if you already do this for Android, but I would be more
 concerned with the FS API (`full-screen-api.enabled`). Even though it
 requires a user-gesture (it wouldn't be hard to cover the entire window in
 an element), I see this as a far more feasible attack to mimic chrome than
 trying to detect the toolbar display and replacing/removing-the-spoof as
 required. The lag would give it away - you'd see two toolbars (especially
 as you scroll really slowly: try it). Unless I'm missing something?

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31951#comment:1>
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