[tbb-bugs] #21952 [Applications/Tor Browser]: Onion-location: increasing the use of onion services through automatic redirects and aliasing

[Tor Bug Tracker & Wiki]

#21952: Onion-location: increasing the use of onion services through automatic
redirects and aliasing
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 Reporter:  linda                                |          Owner:  acat
     Type:  project                              |         Status:
                                                 |  needs_review
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  ux-team, tor-hs, network-team-       |  Actual Points:  9
  roadmap-november, tbb-9.5,                     |
  TorBrowserTeam202001R                          |
Parent ID:  #30024                               |         Points:  6
 Reviewer:  pospeselr, mcs, brade                |        Sponsor:
                                                 |  Sponsor27-must
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Comment (by pospeselr):

 **acat**: Ah, I missed the final 'are we already on an onion' check in
 that {{{if}}}. Though that does lead to another question. What is the
 correct behavior if {{{foo.onion}}} sends {{{Onion-Location: bar.onion}}}?

 Regarding servers sending 3XX responses with {{{Onion-Location}}} sans
 {{{Location}}}: I think that the browser should only transparently treat
 {{{Onion-Location}}} as if it were {{{Location}}} if the user has the auto
 onion redirect pref on. If that pref is on, I think we should look for
 {{{Onion-Location}}} first in the case of 3XX redirects and then fallback
 to {{{Location}}}.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21952#comment:98>
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