/etc/apparmor.d/abstractions/user-download is in apparmor 2.8.95~2430-0ubuntu5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | # ------------------------------------------------------------------
#
# Copyright (C) 2002-2006 Novell/SUSE
# Copyright (C) 2014 Canonical Ltd.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of version 2 of the GNU General Public
# License published by the Free Software Foundation.
#
# ------------------------------------------------------------------
# Description: Where common programs should allow users to download
# files
owner @{HOME}/tmp/** rwl,
owner @{HOME}/[dD]ownload{,s}/ r,
owner @{HOME}/[dD]ownload{,s}/** rwl,
owner @{HOME}/[a-zA-Z0-9]* rwl,
owner @{HOME}/@{XDG_DESKTOP_DIR}/ r,
owner @{HOME}/@{XDG_DESKTOP_DIR}/* rwl,
owner @{HOME}/@{XDG_DOWNLOAD_DIR}/ r,
owner @{HOME}/@{XDG_DOWNLOAD_DIR}/* rwl,
owner "@{HOME}/My Downloads/" r,
owner "@{HOME}/My Downloads/**" rwl,
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