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# -*- coding: utf-8 -*-
# Authors:
# Andrew Higginson
# Alejandro J. Cura <alecu@canonical.com>
# Manuel de la Pena <manuel@canonical.com>
#
# Copyright 2011 Canonical Ltd.
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 3, as published
# by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranties of
# MERCHANTABILITY, SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>.
"""Implementations of different keyrings."""
import socket
import sys
import urllib
from twisted.internet.defer import inlineCallbacks, returnValue
from ubuntu_sso.logger import setup_logging
logger = setup_logging("ubuntu_sso.keyring")
TOKEN_SEPARATOR = ' @ '
SEPARATOR_REPLACEMENT = ' AT '
U1_APP_NAME = "Ubuntu One"
U1_KEY_NAME = "UbuntuOne token for https://ubuntuone.com"
U1_KEY_ATTR = {
"oauth-consumer-key": "ubuntuone",
"ubuntuone-realm": "https://ubuntuone.com",
}
def get_old_token_name(app_name):
"""Build the token name (old style)."""
quoted_app_name = urllib.quote(app_name)
computer_name = socket.gethostname()
quoted_computer_name = urllib.quote(computer_name)
return "%s - %s" % (quoted_app_name, quoted_computer_name)
def get_token_name(app_name):
"""Build the token name."""
computer_name = socket.gethostname()
computer_name = computer_name.replace(TOKEN_SEPARATOR,
SEPARATOR_REPLACEMENT)
return TOKEN_SEPARATOR.join((app_name, computer_name)).encode('utf-8')
@inlineCallbacks
def try_old_credentials(app_name):
"""Try to get old U1 credentials and format them as new."""
logger.debug('trying to get old credentials.')
old_creds = yield UbuntuOneOAuthKeyring().get_credentials(U1_KEY_NAME)
if old_creds is not None:
# Old creds found, build a new credentials dict with them
creds = {
'consumer_key': "ubuntuone",
'consumer_secret': "hammertime",
'name': U1_KEY_NAME,
'token': old_creds["oauth_token"],
'token_secret': old_creds["oauth_token_secret"],
}
logger.debug('found old credentials')
returnValue(creds)
logger.debug('try_old_credentials: No old credentials for this app.')
returnValue(None)
if sys.platform == 'win32':
from ubuntu_sso.keyring.windows import Keyring
else:
from ubuntu_sso.keyring.linux import Keyring
class UbuntuOneOAuthKeyring(Keyring):
"""A particular Keyring for Ubuntu One."""
def _get_keyring_attr(self, app_name):
"""Build the keyring attributes for this credentials."""
return U1_KEY_ATTR
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