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Re: [tor-bugs] #8156 [Firefox Patch Issues]: Tweetdeck's Web interface can't post tweets in TBB
#8156: Tweetdeck's Web interface can't post tweets in TBB
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Reporter: cypherpunks | Owner: brade
Type: defect | Status: assigned
Priority: normal | Milestone:
Component: Firefox Patch Issues | Version:
Keywords: tbb-usability-website | Parent: #6564
Points: | Actualpoints:
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Comment(by mikeperry):
Hrmm.. Very strange. cypherpunks: Did you try this out from a totally
fresh TBB directory?
Wrt fonts: We should have stopped blocking remote @font-face in TBB-alpha,
but unfortunately our anti-fingerprinting font limiting patch
(https://gitweb.torproject.org/torbrowser.git/blob/maint-2.4:/src/current-
patches/firefox/0011-Limit-the-number-of-fonts-per-document.patch) counts
remote @font-face towards those limits, which usually means we run out of
fonts and start blocking them. This is technically #5798, but we might
want to break it out into a separate ticket.
I've banged on the font patch for several hours and was unable to find a
route from the CSS evaluation rules to the actual source of the fonts (to
determine if they were local or @font-face, to exempt the remote ones).
The best idea I had was doing a QueryInterface on nsRuleNode::mFont to try
to convert it to an nsIDOMCSSFontFaceRule and then exempt the ones that
succeed that QI. Unfortunately, none of the @font-face fonts seem to
actually succeed this QI. If either of you guys have any suggestions for
other approaches I could try, I am willing to try coding them and testing
them myself, since it's pretty important.. But I'm at a loss right now :/
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/8156#comment:16>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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