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# SPDX-License-Identifier: GPL-3.0-only
from __future__ import annotations
import logging
import typing
from gettext import gettext as _
from pathlib import Path
from gi.repository import Adw, Gio, GLib, Gtk
import gsecrets.config_manager
from gsecrets import const
from gsecrets.database_manager import DatabaseManager
from gsecrets.err import QUARK, ErrorType
from gsecrets.unlocked_database import UnlockedDatabase
from gsecrets.utils import compare_passwords
if typing.TYPE_CHECKING:
from gsecrets.widgets.window import Window
@Gtk.Template(resource_path="/org/gnome/World/Secrets/gtk/unlock_database.ui")
class UnlockDatabase(Adw.Bin):
# pylint: disable=too-many-instance-attributes
__gtype_name__ = "UnlockDatabase"
database_manager: DatabaseManager | None = None
password_entry = Gtk.Template.Child()
key_group = Gtk.Template.Child()
provider_group = Gtk.Template.Child()
status_page = Gtk.Template.Child()
headerbar = Gtk.Template.Child()
unlock_button = Gtk.Template.Child()
banner = Gtk.Template.Child()
_progress = Gtk.Template.Child()
def __init__(self, window: Window, database_file: Gio.File) -> None:
super().__init__()
filepath = database_file.get_path()
self.window = window
self.composition_key = None
# Reset headerbar to initial state if it already exists.
self.headerbar.title.props.title = database_file.get_basename()
if database := self.window.unlocked_db:
is_current = database.database_manager.path == filepath
if is_current:
self.database_manager = database.database_manager
if not self.database_manager:
self.database_manager = DatabaseManager(
window.key_providers.get_key_providers(),
filepath,
)
if gsecrets.const.IS_DEVEL:
self.status_page.props.icon_name = gsecrets.const.APP_ID
for key_provider in self.window.key_providers.get_key_providers():
if key_provider.available:
widget = key_provider.create_unlock_widget(self.database_manager)
self.provider_group.add(widget)
def do_unmap(self): # pylint: disable=arguments-differ
Gtk.Widget.do_unmap(self)
self._progress.end_pulse()
def grab_entry_focus(self):
self.password_entry.grab_focus()
def is_safe_open_elsewhere(self) -> bool:
"""Whether the safe is already open.
Return True if the safe is already open but not in the
current window.
"""
is_current = False
db_path = self.database_manager.path # type: ignore
is_open = self.window.application.is_safe_open(db_path)
if database := self.window.unlocked_db:
is_current = database.database_manager.path == db_path
return is_open and not is_current
def _on_generated_composite_key(self, providers, result):
self._set_sensitive(True)
try:
self.composition_key = providers.generate_composite_key_finish(result)
except GLib.Error:
logging.exception("Could not generate composite key")
self.window.send_notification(_("Failed to generate composite key"))
return
entered_pwd = self.password_entry.get_text()
if self.is_safe_open_elsewhere():
self.window.send_notification(
# TRANSLATORS For example: "Safe ~/MySafe.kdbx is already open"
_("Safe {path} is already open").format(
path=self.database_manager.path,
),
)
return
if not self.database_manager.opened:
self._open_database()
return
if (
compare_passwords(entered_pwd, self.database_manager.password)
and self.database_manager.composition_key == self.composition_key
):
self.database_manager.props.locked = False
self.database_manager.add_to_history()
else:
self._unlock_failed()
@Gtk.Template.Callback()
def _on_entry_activated(self, _widget: Gtk.Widget) -> None:
self.unlock_button.activate()
@Gtk.Template.Callback()
def _on_unlock_button_clicked(self, _widget: Gtk.Button) -> None:
if not self.database_manager:
return
self._set_sensitive(False)
self.window.key_providers.generate_composite_key_async(
self.database_manager.get_salt_as_lazy(),
self._on_generated_composite_key,
)
#
# Open Database
#
def _open_database(self):
self._progress.start_pulse()
self._set_sensitive(False)
password = self.password_entry.props.text
self.database_manager.unlock_async(
password,
self.composition_key,
self._unlock_callback,
)
def _unlock_callback(self, database_manager, result):
try:
database_manager.unlock_finish(result)
except GLib.Error as err:
if not err.matches(QUARK, ErrorType.CREDENTIALS_ERROR):
logging.exception("Could not unlock safe")
self._unlock_failed()
return
opened = Gio.File.new_for_path(database_manager.path)
if gsecrets.config_manager.get_development_backup_mode():
self.store_backup(opened)
database_manager.add_to_history()
if self.window.unlocked_db is None:
database = UnlockedDatabase(self.window, database_manager)
self.window.unlocked_db = database
self.window.unlocked_db_bin.props.child = database
self.window.view = self.window.View.UNLOCKED_DATABASE
self._reset_page()
#
# Helper Functions
#
def _unlock_failed(self) -> None:
self.window.send_notification(_("Failed to unlock Safe"))
self.password_entry.add_css_class("error")
self.password_entry.delete_text(0, -1)
self._set_sensitive(True)
self._progress.end_pulse()
# Regrab the focus of the entry.
self.password_entry.grab_focus()
def _reset_page(self):
self.password_entry.set_text("")
self.password_entry.remove_css_class("error")
self._set_sensitive(True)
self._progress.end_pulse()
def _set_sensitive(self, sensitive):
delegate = self.password_entry.get_delegate()
if delegate.has_focus() and not sensitive:
self.window.props.focus_widget = None
for key in self.key_group:
key.set_sensitive(sensitive)
for key in self.provider_group:
key.set_sensitive(sensitive)
self.unlock_button.set_sensitive(sensitive)
self.headerbar.set_sensitive(sensitive)
def store_backup(self, gfile):
cache_dir = Path(GLib.get_user_cache_dir()) / const.SHORT_NAME / "backup"
if not cache_dir.exists():
cache_dir.mkdir(parents=True)
current_time = GLib.DateTime.new_now_local().format("%F_%T")
basename = Path(gfile.get_basename()).stem
backup_name = basename + "_backup_" + current_time + ".kdbx"
backup = Gio.File.new_for_path(str(cache_dir / backup_name))
def callback(gfile, result):
try:
gfile.copy_finish(result)
except GLib.Error as err:
logging.warning("Could not save database backup: %s", err.message)
if GLib.check_version(2, 81, 0) is None:
gfile.copy_async(
backup,
Gio.FileCopyFlags.NONE,
GLib.PRIORITY_DEFAULT,
None,
None,
callback,
)
else:
gfile.copy_async(
backup,
Gio.FileCopyFlags.NONE,
GLib.PRIORITY_DEFAULT,
None,
None,
None,
callback,
)
def show_banner(self, label: str) -> None:
self.banner.set_title(label)
self.banner.set_revealed(True)
def close_banner(self):
self.banner.set_revealed(False)
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