usse/funda-scraper/venv/lib/python3.10/site-packages/keyring/backends/kwallet.py

166 lines
5.7 KiB
Python

import sys
import os
import contextlib
from ..backend import KeyringBackend
from ..credentials import SimpleCredential
from ..errors import PasswordDeleteError
from ..errors import PasswordSetError, InitError, KeyringLocked
from .._compat 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
def _id_from_argv():
"""
Safely infer an app id from sys.argv.
"""
allowed = AttributeError, IndexError, TypeError
with contextlib.suppress(allowed):
return sys.argv[0]
class DBusKeyring(KeyringBackend):
"""
KDE KWallet 5 via D-Bus
"""
appid = _id_from_argv() or 'Python keyring library'
wallet = None
bus_name = 'org.kde.kwalletd5'
object_path = '/modules/kwalletd5'
@properties.classproperty
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())
if not (
bus.name_has_owner(cls.bus_name)
or cls.bus_name in bus.list_activatable_names()
):
raise RuntimeError(
"The KWallet daemon is neither running nor activatable through D-Bus"
)
if "KDE" in os.getenv("XDG_CURRENT_DESKTOP", "").split(":"):
return 5.1
return 4.9
def __init__(self, *arg, **kw):
super().__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 get_credential(self, service, username):
"""Gets the first username and password for a service.
Returns a Credential instance
The username can be omitted, but if there is one, it will forward to
get_password.
Otherwise, it will return the first username and password combo that it finds.
"""
if username is not None:
return super().get_credential(service, username)
if not self.connected(service):
# the user pressed "cancel" when prompted to unlock their keyring.
raise KeyringLocked("Failed to unlock the keyring!")
for username in self.iface.entryList(self.handle, service, self.appid):
password = self.iface.readPassword(
self.handle, service, username, self.appid
)
return SimpleCredential(str(username), 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
def priority(cls):
return super().priority - 1