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Re: [tor-bugs] #2875 [Tor Browser]: Spoof Desktop Resolution in TorBrowser



#2875: Spoof Desktop Resolution in TorBrowser
-------------------------+--------------------------------------------------
 Reporter:  mikeperry    |          Owner:  mikeperry
     Type:  enhancement  |         Status:  new      
 Priority:  normal       |      Milestone:           
Component:  Tor Browser  |        Version:           
 Keywords:               |         Parent:  #2871    
   Points:  6            |   Actualpoints:           
-------------------------+--------------------------------------------------
Changes (by mikeperry):

  * points:  16 => 6


Comment:

 window.screen uses nsDeviceContext internally.

 It appears as though CSS does too, in layout/style/nsMediaFeatures.cpp.

 However, we are probably better off just hacking nsMediaFeatures and
 window.screen to behave properly.

 There is a nice array in nsMediaFeatures::features where it looks like we
 can just change the entries there. In general, we'll want to change all
 the device-related properties to be the same as their window equivalents.
 However, this is some extra fun wrt the mozilla extensions.. We'll want to
 pick custom values for those.

 All-in-all I don't think this one should be too hard either. I think the
 hacks will actually be easier than those for #2872. Perhaps a day of
 hacking and a half day of testing on a couple different platforms, or some
 mix thereof.

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/2875#comment:7>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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