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# Copyright (C) 2012 Aleksey Lim
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY 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/>.
import os
import time
import uuid
import random
import hashlib
from os.path import join, exists, dirname
from active_toolkit.options import Option
from active_toolkit import enforce
_XO_SERIAL_PATH = '/ofw/mfg-data/SN'
_XO_UUID_PATH = '/ofw/mfg-data/U#'
_NICKNAME_GCONF = '/desktop/sugar/user/nick'
_COLOR_GCONF = '/desktop/sugar/user/color'
_uid = None
keyfile = Option(
'path to SSH private key file to authenticate user; public key file '
'should have ".pub" suffif; if ommited, use key file generated by '
'Sugar Shell',
name='keyfile')
def logger_level():
"""Current Sugar logger level as --debug value."""
_LEVELS = {
'error': 0,
'warning': 0,
'info': 1,
'debug': 2,
'all': 2,
}
level = os.environ.get('SUGAR_LOGGER_LEVEL')
return _LEVELS.get(level, 0)
def profile_path(*args):
"""Path within sugar profile directory.
Missed directories will be created.
:param args:
path parts that will be added to the resulting path
:returns:
full path with directory part existed
"""
if os.geteuid():
root_dir = join(os.environ['HOME'], '.sugar',
os.environ.get('SUGAR_PROFILE', 'default'))
else:
root_dir = '/var/sugar-network'
result = join(root_dir, *args)
if not exists(dirname(result)):
os.makedirs(dirname(result))
return result
def privkey_path():
path = keyfile.value
if not path:
path = profile_path('owner.key')
enforce(exists(path),
'Sugar session was never started, no privkey')
return path
def pubkey():
pubkey_path = privkey_path() + '.pub'
with file(pubkey_path) as f:
for line in f.readlines():
line = line.strip()
if line.startswith('ssh-'):
return line
raise RuntimeError('Valid SSH public key was not found in %s' %
pubkey_path)
def uid():
global _uid
if _uid is None:
key = pubkey().split()[1]
_uid = str(hashlib.sha1(key).hexdigest())
return _uid
def nickname():
import gconf
gconf_client = gconf.client_get_default()
return gconf_client.get_string(_NICKNAME_GCONF)
def color():
import gconf
gconf_client = gconf.client_get_default()
return gconf_client.get_string(_COLOR_GCONF)
def machine_sn():
if exists(_XO_SERIAL_PATH):
return _read_XO_value(_XO_SERIAL_PATH)
def machine_uuid():
if exists(_XO_UUID_PATH):
return _read_XO_value(_XO_UUID_PATH)
def uuid_new():
data = '%s%s%s' % \
(time.time(), random.randint(10000, 100000), uuid.getnode())
return hashlib.sha1(data).hexdigest()
def _read_XO_value(path):
return file(path).read().rstrip('\0\n')
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