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from __future__ import absolute_import
import sys
import os
from ..backend import KeyringBackend
from ..errors import PasswordDeleteError
from ..errors import PasswordSetError, InitError, KeyringLocked
from ..util import properties
try:
import dbus
from dbus.mainloop.glib import DBusGMainLoop
except ImportError:
pass
except AttributeError:
# See https://github.com/jaraco/keyring/issues/296
pass
class DBusKeyring(KeyringBackend):
"""
KDE KWallet 5 via D-Bus
"""
appid = os.path.basename(sys.argv[0]) or 'Python keyring library'
wallet = None
bus_name = 'org.kde.kwalletd5'
object_path = '/modules/kwalletd5'
@properties.ClassProperty
@classmethod
def priority(cls):
if 'dbus' not in globals():
raise RuntimeError('python-dbus not installed')
try:
bus = dbus.SessionBus(mainloop=DBusGMainLoop())
except dbus.DBusException as exc:
raise RuntimeError(exc.get_dbus_message())
try:
bus.get_object(cls.bus_name, cls.object_path)
except dbus.DBusException:
tmpl = 'cannot connect to {bus_name}'
msg = tmpl.format(bus_name=cls.bus_name)
raise RuntimeError(msg)
if "KDE" in os.getenv("XDG_CURRENT_DESKTOP", "").split(":"):
return 5.1
return 4.9
def __init__(self, *arg, **kw):
super(DBusKeyring, self).__init__(*arg, **kw)
self.handle = -1
def _migrate(self, service):
old_folder = 'Python'
entry_list = []
if self.iface.hasFolder(self.handle, old_folder, self.appid):
entry_list = self.iface.readPasswordList(
self.handle, old_folder, '*@*', self.appid)
for entry in entry_list.items():
key = entry[0]
password = entry[1]
username, service = key.rsplit('@', 1)
ret = self.iface.writePassword(
self.handle, service, username, password, self.appid)
if ret == 0:
self.iface.removeEntry(
self.handle, old_folder, key, self.appid)
entry_list = self.iface.readPasswordList(
self.handle, old_folder, '*', self.appid)
if not entry_list:
self.iface.removeFolder(self.handle, old_folder, self.appid)
def connected(self, service):
if self.handle >= 0:
if self.iface.isOpen(self.handle):
return True
bus = dbus.SessionBus(mainloop=DBusGMainLoop())
wId = 0
try:
remote_obj = bus.get_object(self.bus_name, self.object_path)
self.iface = dbus.Interface(remote_obj, 'org.kde.KWallet')
self.handle = self.iface.open(
self.iface.networkWallet(), wId, self.appid)
except dbus.DBusException as e:
raise InitError('Failed to open keyring: %s.' % e)
if self.handle < 0:
return False
self._migrate(service)
return True
def get_password(self, service, username):
"""Get password of the username for the service
"""
if not self.connected(service):
# the user pressed "cancel" when prompted to unlock their keyring.
raise KeyringLocked("Failed to unlock the keyring!")
if not self.iface.hasEntry(self.handle, service, username, self.appid):
return None
password = self.iface.readPassword(
self.handle, service, username, self.appid)
return str(password)
def set_password(self, service, username, password):
"""Set password for the username of the service
"""
if not self.connected(service):
# the user pressed "cancel" when prompted to unlock their keyring.
raise PasswordSetError("Cancelled by user")
self.iface.writePassword(
self.handle, service, username, password, self.appid)
def delete_password(self, service, username):
"""Delete the password for the username of the service.
"""
if not self.connected(service):
# the user pressed "cancel" when prompted to unlock their keyring.
raise PasswordDeleteError("Cancelled by user")
if not self.iface.hasEntry(self.handle, service, username, self.appid):
raise PasswordDeleteError("Password not found")
self.iface.removeEntry(self.handle, service, username, self.appid)
class DBusKeyringKWallet4(DBusKeyring):
"""
KDE KWallet 4 via D-Bus
"""
bus_name = 'org.kde.kwalletd'
object_path = '/modules/kwalletd'
@properties.ClassProperty
@classmethod
def priority(cls):
return super(DBusKeyringKWallet4, cls).priority - 1