qubes-installer-qubes-os/anaconda/pyanaconda/ui/gui/spokes/lib/passphrase.py
Marek Marczykowski-Górecki f73b3741f0 Update anaconda to 20.25.16
Apply result of "git diff anaconda-18.37.11-1..anaconda-20.25.16-1" and
resolve conflicts.
2014-04-08 05:50:31 +02:00

174 lines
6.2 KiB
Python

# Dialog for creating new encryption passphrase
#
# Copyright (C) 2012 Red Hat, Inc.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY expressed or implied, including the implied warranties of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details. You should have received a copy of the
# GNU General Public License along with this program; if not, write to the
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
# source code or documentation are not subject to the GNU General Public
# License and may only be used or replicated with the express permission of
# Red Hat, Inc.
#
# Red Hat Author(s): David Lehman <dlehman@redhat.com>
#
from gi.repository import Gtk, Gdk
import pwquality
from pyanaconda.ui.gui import GUIObject
from pyanaconda.i18n import _, N_
__all__ = ["PassphraseDialog"]
ERROR_WEAK = N_("You have provided a weak passphrase: %s")
ERROR_NOT_MATCHING = N_("Passphrases do not match.")
class PassphraseDialog(GUIObject):
builderObjects = ["passphrase_dialog"]
mainWidgetName = "passphrase_dialog"
uiFile = "spokes/lib/passphrase.glade"
def __init__(self, data):
GUIObject.__init__(self, data)
self._confirm_entry = self.builder.get_object("confirm_entry")
self._passphrase_entry = self.builder.get_object("passphrase_entry")
self._save_button = self.builder.get_object("passphrase_save_button")
self._strength_label = self.builder.get_object("strength_label")
# These will be set up later.
self._strength_bar = None
self._pwq = None
self._pwq_error = None
self.passphrase = ""
def refresh(self):
super(PassphraseDialog, self).refresh()
# disable input methods for the passphrase Entry widgets and make sure
# the focus change mask is enabled
self._passphrase_entry.set_property("im-module", "")
self._passphrase_entry.set_icon_from_stock(Gtk.EntryIconPosition.SECONDARY, "")
self._passphrase_entry.add_events(Gdk.EventMask.FOCUS_CHANGE_MASK)
self._confirm_entry.set_property("im-module", "")
self._confirm_entry.add_events(Gdk.EventMask.FOCUS_CHANGE_MASK)
self._save_button.set_can_default(True)
# add the passphrase strength meter
self._strength_bar = Gtk.LevelBar()
self._strength_bar.set_mode(Gtk.LevelBarMode.DISCRETE)
self._strength_bar.set_min_value(0)
self._strength_bar.set_max_value(4)
self._strength_bar.add_offset_value("low", 2)
self._strength_bar.add_offset_value("medium", 3)
self._strength_bar.add_offset_value("high", 4)
box = self.builder.get_object("strength_box")
box.pack_start(self._strength_bar, False, True, 0)
box.show_all()
# set up passphrase quality checker
self._pwq = pwquality.PWQSettings()
self._pwq.read_config()
# initialize with the previously set passphrase
self.passphrase = self.data.autopart.passphrase
if not self.passphrase:
self._save_button.set_sensitive(False)
self._passphrase_entry.set_text(self.passphrase)
self._confirm_entry.set_text(self.passphrase)
self._update_passphrase_strength()
def run(self):
self.refresh()
self.window.show_all()
rc = self.window.run()
self.window.destroy()
return rc
def _update_passphrase_strength(self):
passphrase = self._passphrase_entry.get_text()
strength = 0
self._pwq_error = ""
try:
strength = self._pwq.check(passphrase, None, None)
except pwquality.PWQError as e:
self._pwq_error = e[1]
if strength < 50:
val = 1
text = _("Weak")
elif strength < 75:
val = 2
text = _("Fair")
elif strength < 90:
val = 3
text = _("Good")
else:
val = 4
text = _("Strong")
self._strength_bar.set_value(val)
self._strength_label.set_text(text)
def _set_entry_icon(self, entry, icon, msg):
entry.set_icon_from_stock(Gtk.EntryIconPosition.SECONDARY, icon)
entry.set_icon_tooltip_text(Gtk.EntryIconPosition.SECONDARY, msg)
def on_passphrase_changed(self, entry):
self._update_passphrase_strength()
if entry.get_text() and entry.get_text() == self._confirm_entry.get_text():
self._set_entry_icon(self._confirm_entry, "", "")
self._save_button.set_sensitive(True)
else:
self._save_button.set_sensitive(False)
if not self._pwq_error:
self._set_entry_icon(entry, "", "")
def on_passphrase_editing_done(self, entry, *args):
if self._pwq_error:
icon = "gtk-dialog-error"
msg = _(ERROR_WEAK) % self._pwq_error
self._set_entry_icon(entry, icon, msg)
def on_confirm_changed(self, entry):
if entry.get_text() and entry.get_text() == self._passphrase_entry.get_text():
self._set_entry_icon(entry, "", "")
self._save_button.set_sensitive(True)
else:
self._save_button.set_sensitive(False)
def on_confirm_editing_done(self, entry, *args):
passphrase = self._passphrase_entry.get_text()
confirm = self._confirm_entry.get_text()
if passphrase != confirm:
icon = "gtk-dialog-error"
msg = ERROR_NOT_MATCHING
self._set_entry_icon(entry, icon, _(msg))
self._save_button.set_sensitive(False)
else:
self._set_entry_icon(entry, "", "")
def on_save_clicked(self, button):
self.passphrase = self._passphrase_entry.get_text()
def on_entry_activated(self, entry):
if self._save_button.get_sensitive() and \
entry.get_text() == self._passphrase_entry.get_text():
self._save_button.emit("clicked")