[tbb-bugs] #29705 [Applications/Tor Browser]: Enable Brotli compression for .onion domains

[Tor Bug Tracker & Wiki]

#29705: Enable Brotli compression for .onion domains
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 Reporter:  expyuzz4wqqyqhjn          |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:                            |  Actual Points:
Parent ID:  #21728                    |         Points:
 Reviewer:                            |        Sponsor:  Sponsor27
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Comment (by gk):

 Replying to [comment:6 willbarr]:

 [snip]

 > The second approach is rather hard, and it deviates a lot from upstream
 firefox code base. I’ve found an example implementation, which enables
 brotli on localhost by putting them into a “potentially trustworthy”
 context”.
 >
 > https://bugzilla.mozilla.org/show_bug.cgi?id=1222541
 >
 > https://bug1222541.bmoattachments.org/attachment.cgi?id=9040956

 Yes, we should use the "potentially trustworthy context" here. We got a
 patch for that into Firefox a while back and use
 `IsPotentiallyTrustworthyOnion()`.

 https://searchfox.org/mozilla-
 esr68/source/dom/security/nsMixedContentBlocker.cpp#389

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29705#comment:7>
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