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Re: [tor-bugs] #15502 [Tor Browser]: URL.createObjectURL() considered harmful

#15502: URL.createObjectURL() considered harmful
-------------------------+-------------------------------------------------
     Reporter:           |      Owner:  arthuredelstein
  mikeperry              |     Status:  needs_review
         Type:  defect   |  Milestone:
     Priority:  major    |    Version:
    Component:  Tor      |   Keywords:  tbb-linkability, tbb-newnym,
  Browser                |  tbb-4.5-alpha, TorBrowserTeam201504R,
   Resolution:           |  MikePerry201504R
Actual Points:           |  Parent ID:
       Points:           |
-------------------------+-------------------------------------------------

Comment (by mcs):

 Replying to [comment:19 arthuredelstein]:
 > I looked into how to fix this patch, but the Web Worker case is quite
 complex. Also I feel much less comfortable with GetDocumentFromCaller()
 now that it's already failed once. So for now (for Firefox 31) I would be
 in favor of disabling blob URLs in content. Here's a patch that does that:
 > https://github.com/arthuredelstein/tor-
 browser/commit/dfbd283c17225d79e1ff82bb933c59a77853ddf3

 The patch looks OK, at least based on my reading of
 https://developer.mozilla.org/en-
 US/docs/Mozilla/WebIDL_bindings#ChromeOnly

 I assume [ChromeOnly] works correctly since it is fairly widely used by
 Mozilla.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/15502#comment:20>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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