Re: [tor-bugs] #16364 [Applications/Tor Browser]: Add an option to resize the browser window to the "safe default"

[Tor Bug Tracker & Wiki]

#16364: Add an option to resize the browser window to the "safe default"
-+-
 Reporter:  cypherpunks  |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-usability, tbb-fingerprinting-   |  Actual Points:
  resolution |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by Thorin):

 FWIW (**if** there was a serious leak and nothing else works) .. FF74+
 introduced `browser.tabs.allowTabDetach` -
 https://bugzilla.mozilla.org/616130

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Re: [tor-bugs] #16364 [Applications/Tor Browser]: Add an option to resize the browser window to the "safe default"

[Tor Bug Tracker & Wiki]

#16364: Add an option to resize the browser window to the "safe default"
-+-
 Reporter:  cypherpunks  |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-usability, tbb-fingerprinting-   |  Actual Points:
  resolution |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by teor):

 Moving a tab to a new window also works on macOS.

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Re: [tor-bugs] #16364 [Applications/Tor Browser]: Add an option to resize the browser window to the "safe default"

[Tor Bug Tracker & Wiki]

#16364: Add an option to resize the browser window to the "safe default"
-+-
 Reporter:  cypherpunks  |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-usability, tbb-fingerprinting-   |  Actual Points:
  resolution |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by Thorin):

 The behavior is the same on Windows, and I was going to suggest this as a
 hacky workaround in the other ticket I just closed - especially if you
 only have one or two tabs open and don't want to lose them.

 There **is** at least a resize event triggered when a tab is moved between
 windows, but I'm not sure what it leaks (e.g. see the new window test
 where I build an array of changes: and detect the original pre-LB size,
 the LB border being applied, and LB: and in older TB's, the new window
 clamping is bypassed)

 STR
 - open TZP (inner should be e.g. `1000` width)
 - resize the browser width so you get `1100` width (LB stepped value)
 - open new window
 - drag TZP tab to new window
 - the resize event recalculated measurements: it should now say `1000`

 I also wonder what other events this triggers :)

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Re: [tor-bugs] #16364 [Applications/Tor Browser]: Add an option to resize the browser window to the "safe default"

[Tor Bug Tracker & Wiki]

#16364: Add an option to resize the browser window to the "safe default"
-+-
 Reporter:  cypherpunks  |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-usability, tbb-fingerprinting-   |  Actual Points:
  resolution |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by sysrqb):

 As far as I know this isn't new behavior, but (at least on Linux) if you
 open a new window from a running Tor Browser instance (by ctrl+n or
 however you do it on your platform), then that new window will be the
 default size. If you drag a tab from another window (such as a window that
 was resized) into the new default-sized window, then the moved tab will
 now be bound by the new window's size (the default).

 We should confirm there isn't any leakage from the previous window, but as
 far as I know there shouldn't be. This isn't anywhere near as friendly as
 having a single button that "snaps" the window to the default size, but
 it's a workaround in the mean time. I wonder if this behavior is
 consistent on Windows and macOS, too.

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Re: [tor-bugs] #16364 [Applications/Tor Browser]: Add an option to resize the browser window to the "safe default"

[Tor Bug Tracker & Wiki]

#16364: Add an option to resize the browser window to the "safe default"
-+-
 Reporter:  cypherpunks  |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-usability, tbb-fingerprinting-   |  Actual Points:
  resolution |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by Thorin):

 #33207 is a duplicate

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Re: [tor-bugs] #16364 [Applications/Tor Browser]: Add an option to resize the browser window to the "safe default"

[Tor Bug Tracker & Wiki]

#16364: Add an option to resize the browser window to the "safe default"
-+-
 Reporter:  cypherpunks  |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-usability, tbb-fingerprinting-   |  Actual Points:
  resolution |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by mcs):

 Resolved #30195 as duplicate.

 In that ticket, the reporter suggested that the window should
 automatically be restored to the default size. I am not sure how that
 would work, but the general idea of making it easy to return to the
 default size seems like a good one.

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Re: [tor-bugs] #16364 [Applications/Tor Browser]: Add an option to resize the browser window to the "safe default"

[Tor Bug Tracker & Wiki]

#16364: Add an option to resize the browser window to the "safe default"
-+-
 Reporter:  cypherpunks  |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-usability, tbb-fingerprinting-   |  Actual Points:
  resolution |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by steph):

 Replying to [comment:8 teor]:
 > Using New Identity is not a good workaround for me. I often want to keep
 the current content in the window, and just change its size back.
 +1

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Re: [tor-bugs] #16364 [Applications/Tor Browser]: Add an option to resize the browser window to the "safe default"

[Tor Bug Tracker & Wiki]

#16364: Add an option to resize the browser window to the "safe default"
-+-
 Reporter:  cypherpunks  |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-usability, tbb-fingerprinting-   |  Actual Points:
  resolution |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by teor):

 Using New Identity is not a good workaround for me. I often want to keep
 the current content in the window, and just change its size back.

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Re: [tor-bugs] #16364 [Applications/Tor Browser]: Add an option to resize the browser window to the "safe default"

[Tor Bug Tracker & Wiki]

#16364: Add an option to resize the browser window to the "safe default"
-+-
 Reporter:  cypherpunks  |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-usability, tbb-fingerprinting-   |  Actual Points:
  resolution |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-
Changes (by gk):

 * cc: steph (added)


Comment:

 #29808 is a duplicate.

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Re: [tor-bugs] #16364 [Applications/Tor Browser]: Add an option to resize the browser window to the "safe default"

[Tor Bug Tracker & Wiki]

#16364: Add an option to resize the browser window to the "safe default"
-+-
 Reporter:  cypherpunks  |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-usability, tbb-fingerprinting-   |  Actual Points:
  resolution |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-
Changes (by sajolida):

 * cc: sajolida (added)


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Re: [tor-bugs] #16364 [Applications/Tor Browser]: Add an option to resize the browser window to the "safe default"

[Tor Bug Tracker & Wiki]

#16364: Add an option to resize the browser window to the "safe default"
-+-
 Reporter:  cypherpunks  |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-usability, tbb-fingerprinting-   |  Actual Points:
  resolution |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by joebt):

 Another consideration:  accidental resizing via window border grab bars.

 One suggestion is not to allow accidental window resizing at all, via
 dragging the window borders.
 Because it's very easy to accidentally move the borders, prevent the
 action - at least momentarily.  Popup a warning - "Do you really want to
 resize TBB's window?  This is not recommended!"

 Unless they don't know the implications of changing TBB's borders or have
 low anonymity requirements, probably few users intentionally drag TBB
 borders.

 At least in Linux -  maybe more in some desktops, it's incredibly easy to
 move the window border when clicking the scrollbar thumb, if the cursor is
 slightly moving.  No easy way to reset window to original spoofed size.

 In Linux - Cinnamon, you don't have to straddle the Fx border - just be
 near it when grabbing the scrollbar thumb.  Most users don't completely
 stop the cursor before clicking the scrollbar.
 The new, narrower scrollbars make the problem worse.

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Re: [tor-bugs] #16364 [Applications/Tor Browser]: Add an option to resize the browser window to the "safe default"

[Tor Bug Tracker & Wiki]

#16364: Add an option to resize the browser window to the "safe default"
-+-
 Reporter:  cypherpunks  |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-usability, tbb-fingerprinting-   |  Actual Points:
  resolution |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-

Comment (by keb):

 It does reset when i click New Identity.

 TBB 6.5.2 on Devuan GNU/Linux
 Security at medium.

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Re: [tor-bugs] #16364 [Applications/Tor Browser]: Add an option to resize the browser window to the "safe default"

[Tor Bug Tracker & Wiki]

#16364: Add an option to resize the browser window to the "safe default"
-+-
 Reporter:  cypherpunks  |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-usability, tbb-fingerprinting-   |  Actual Points:
  resolution |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-
Changes (by gk):

 * cc: madystar (added)


Comment:

 Resolved #20705 as duplicate.

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Re: [tor-bugs] #16364 [Applications/Tor Browser]: Add an option to resize the browser window to the "safe default"

[Tor Bug Tracker & Wiki]

#16364: Add an option to resize the browser window to the "safe default"
-+-
 Reporter:  cypherpunks  |  Owner:  tbb-
 |  team
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Applications/Tor Browser |Version:
 Severity:  Normal   | Resolution:
 Keywords:  tbb-usability, tbb-fingerprinting-   |  Actual Points:
  resolution |
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+-
Changes (by bugzilla):

 * keywords:  tbb-usability => tbb-usability, tbb-fingerprinting-resolution
 * type:  enhancement => defect
 * severity:   => Normal


Comment:

 Well, that's what your Resist Fingerprinting checkbox should do when it
 becomes checked (from unchecked).
 As there is no such warning for resizing, maximization warning could be a
 special way to restore the size.

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