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Re: [tor-bugs] #18195 [Tor Browser]: Add a flag to identify Tor Browser in JS
#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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Changes (by mcs):
* cc: brade, gk (added)
Comment:
Thank you for filing this ticket. I think this explains a lot of use of
the canvas getImageData() method on websites where we (the Tor Browser
developers) would not expect to see it used. I found this article that
explains the technique a little:
http://crocodillon.com/blog/parsing-emoji-unicode-in-javascript
(it relies on the fact that the canvas fillText() method apparently
renders nothing for characters that it cannot display).
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.
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18195#comment:5>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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