[tor-bugs] #18195 [Tor Browser]: Add a flag to identify Tor Browser in JS

Tor Bug Tracker & Wiki blackhole at torproject.org
Tue Feb 2 23:55:38 UTC 2016


#18195: Add a flag to identify Tor Browser in JS
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 Reporter:  pento        |          Owner:  tbb-team
     Type:  enhancement  |         Status:  new
 Priority:  Medium       |      Milestone:
Component:  Tor Browser  |        Version:
 Severity:  Normal       |     Resolution:
 Keywords:               |  Actual Points:
Parent ID:               |         Points:
  Sponsor:               |
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Comment (by pento):

 Replying to [comment:5 mcs]:
 > If WordPress detects that Tor Browser is in use, will you assume there
 is no native emoji support in the browser? It would be nice if there was a
 better solution.

 That would be the plan. I'm also open to assuming that there's complete
 native support (Firefox's emoji support is actually pretty good, so it
 wouldn't be a terrible UX).

 Replying to [comment:7 cypherpunks]:
 > There is no need for using canvas. Rendered font metrics can be detected
 via Javascript or CSS.

 I'm not aware of such a technique that works for detecting correct emoji
 rendering. Do you have a link, or example code?

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18195#comment:8>
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