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# Copyright (C) 2006, 2013 Red Hat, Inc.
# Copyright (C) 2006 Daniel P. Berrange <berrange@redhat.com>
#
# This work is licensed under the GNU GPLv2 or later.
# See the COPYING file in the top-level directory.
from gi.repository import Gio
from gi.repository import GLib
from virtinst import log
from ..baseclass import vmmGObject
class _vmmSecret:
def __init__(self, name, secret=None, attributes=None):
self.name = name
self.secret = secret
self.attributes = attributes
def get_secret(self):
return self.secret
def get_name(self):
return self.name
class vmmKeyring(vmmGObject):
"""
freedesktop Secret API abstraction
"""
@classmethod
def get_instance(cls):
if not cls._instance:
cls._instance = vmmKeyring()
return cls._instance
def __init__(self):
vmmGObject.__init__(self)
self._collection = None
try:
self._dbus = Gio.bus_get_sync(Gio.BusType.SESSION, None)
self._service = Gio.DBusProxy.new_sync(
self._dbus,
0,
None,
"org.freedesktop.secrets",
"/org/freedesktop/secrets",
"org.freedesktop.Secret.Service",
None,
)
self._session = self._service.OpenSession("(sv)", "plain", GLib.Variant("s", ""))[1]
self._collection = Gio.DBusProxy.new_sync(
self._dbus,
0,
None,
"org.freedesktop.secrets",
"/org/freedesktop/secrets/aliases/default",
"org.freedesktop.Secret.Collection",
None,
)
log.debug("Using keyring session %s", self._session)
except Exception: # pragma: no cover
log.exception("Error determining keyring")
def _cleanup(self):
pass # pragma: no cover
def _find_secret_item_path(self, uuid, hvuri):
attributes = {
"uuid": uuid,
"hvuri": hvuri,
}
unlocked, locked = self._service.SearchItems("(a{ss})", attributes)
if not unlocked:
if locked:
log.warning("Item found, but it's locked") # pragma: no cover
return None
return unlocked[0]
def _do_prompt_if_needed(self, path):
if path == "/":
return
iface = Gio.DBusProxy.new_sync( # pragma: no cover
self._dbus,
0,
None,
"org.freedesktop.secrets",
path,
"org.freedesktop.Secret.Prompt",
None,
)
iface.Prompt("(s)", "") # pragma: no cover
def _add_secret(self, secret):
try:
props = {
"org.freedesktop.Secret.Item.Label": GLib.Variant("s", secret.get_name()),
"org.freedesktop.Secret.Item.Attributes": GLib.Variant("a{ss}", secret.attributes),
}
params = (
self._session,
[],
[ord(v) for v in secret.get_secret()],
"text/plain; charset=utf8",
)
replace = True
dummy, prompt = self._collection.CreateItem("(a{sv}(oayays)b)", props, params, replace)
self._do_prompt_if_needed(prompt)
except Exception: # pragma: no cover
log.exception("Failed to add keyring secret")
def _del_secret(self, uuid, hvuri):
try:
path = self._find_secret_item_path(uuid, hvuri)
if path is None:
return None
iface = Gio.DBusProxy.new_sync(
self._dbus,
0,
None,
"org.freedesktop.secrets",
path,
"org.freedesktop.Secret.Item",
None,
)
prompt = iface.Delete()
self._do_prompt_if_needed(prompt)
except Exception: # pragma: no cover
log.exception("Failed to delete keyring secret")
def _get_secret(self, uuid, hvuri):
ret = None
try:
path = self._find_secret_item_path(uuid, hvuri)
if path is None:
return None
iface = Gio.DBusProxy.new_sync(
self._dbus,
0,
None,
"org.freedesktop.secrets",
path,
"org.freedesktop.Secret.Item",
None,
)
secretbytes = iface.GetSecret("(o)", self._session)[2]
label = iface.get_cached_property("Label").unpack().strip("'")
dbusattrs = iface.get_cached_property("Attributes").unpack()
secret = "".join([chr(c) for c in secretbytes])
attrs = {}
for key, val in dbusattrs.items():
if key not in ["hvuri", "uuid"]:
continue
attrs["%s" % key] = "%s" % val
ret = _vmmSecret(label, secret, attrs)
except Exception: # pragma: no cover
log.exception("Failed to get keyring secret uuid=%r hvuri=%r", uuid, hvuri)
return ret
##############
# Public API #
##############
def is_available(self):
return self._collection is not None
def _get_secret_name(self, vm):
return "vm-console-" + vm.get_uuid()
def get_console_password(self, vm):
if not self.is_available():
return ("", "") # pragma: no cover
secret = self._get_secret(vm.get_uuid(), vm.conn.get_uri())
if secret is None:
return ("", "") # pragma: no cover
return (secret.get_secret(), vm.get_console_username() or "")
def set_console_password(self, vm, password, username=""):
if not self.is_available():
return # pragma: no cover
secret = _vmmSecret(
self._get_secret_name(vm), password, {"uuid": vm.get_uuid(), "hvuri": vm.conn.get_uri()}
)
vm.set_console_username(username)
self._add_secret(secret)
def del_console_password(self, vm):
if not self.is_available():
return # pragma: no cover
self._del_secret(vm.get_uuid(), vm.conn.get_uri())
vm.del_console_username()
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