** Tags added: xenial

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to deja-dup in Ubuntu.
https://bugs.launchpad.net/bugs/1079552

Title:
  Unexpectedly asks for authentication halfway through file restore
  process

Status in deja-dup package in Ubuntu:
  Confirmed

Bug description:
  While restoring files, after the (very long) "Preparing" step, Deja
  Dup seems to execute "pkexec /bin/sh …" in order to run some script as
  root. This is problematic for a few reasons:

  1. It happens in the middle of the restore process. At best, the
  prompt for authentication will appear while the user is doing
  something else, causing confusion. At worst, the prompt will appear
  while the user is away from the computer expecting Deja Dup to be
  restoring his files.

  2. When restoring a number of files (deja-dup --restore-missing) the
  prompt for authentication happens for each file that has been
  selected. Combined with #1, this means the user must babysit Deja Dup.

  3. Deja Dup is running some code with full root permissions, without
  telling the user what that code does. This shouldn't be necessary.

  This authentication should be somehow replaced with a gentler, less
  privileged PolicyKit request, and Deja Dup should ask for
  authentication either as soon as possible or as late as possible so
  the need does not arise (repeatedly) while the application is
  restoring files in the background.

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