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# Copyright (C) 2007, 2008 One Laptop Per Child
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import logging
from gettext import gettext as _
from xmlrpclib import ServerProxy, Error
import socket
import os
from string import ascii_uppercase
import random
import time
import uuid
import gconf
from sugar import env
from sugar.profile import get_profile
REGISTER_URL = 'http://schoolserver:8080/'
def generate_serial_number():
""" Generates a serial number based on 3 random uppercase letters
and the last 8 digits of the current unix seconds. """
serial_part1 = []
for y_ in range(3) :
serial_part1.append(random.choice(ascii_uppercase))
serial_part1 = ''.join(serial_part1)
serial_part2 = str(int(time.time()))[-8:]
serial = serial_part1 + serial_part2
return serial
def store_identifiers(serial_number, uuid, backup_url):
""" Stores the serial number, uuid and backup_url
in the identifier folder inside the profile directory
so that these identifiers can be used for backup. """
identifier_path = os.path.join(env.get_profile_path(), 'identifiers')
if not os.path.exists(identifier_path):
os.mkdir(identifier_path)
if os.path.exists(os.path.join(identifier_path, 'sn')):
os.remove(os.path.join(identifier_path, 'sn'))
serial_file = open(os.path.join(identifier_path, 'sn'), 'w')
serial_file.write(serial_number)
serial_file.close()
if os.path.exists(os.path.join(identifier_path, 'uuid')):
os.remove(os.path.join(identifier_path, 'uuid'))
uuid_file = open(os.path.join(identifier_path, 'uuid'), 'w')
uuid_file.write(uuid)
uuid_file.close()
if os.path.exists(os.path.join(identifier_path, 'backup_url')):
os.remove(os.path.join(identifier_path, 'backup_url'))
backup_url_file = open(os.path.join(identifier_path, 'backup_url'), 'w')
backup_url_file.write(backup_url)
backup_url_file.close()
class RegisterError(Exception):
pass
def register_laptop(url=REGISTER_URL):
profile = get_profile()
client = gconf.client_get_default()
if have_ofw_tree():
sn = read_ofw('mfg-data/SN')
uuid_ = read_ofw('mfg-data/U#')
sn = sn or 'SHF00000000'
uuid_ = uuid_ or '00000000-0000-0000-0000-000000000000'
else:
sn = generate_serial_number()
uuid_ = str(uuid.uuid1())
setting_name = '/desktop/sugar/collaboration/jabber_server'
jabber_server = client.get_string(setting_name)
store_identifiers(sn, uuid_, jabber_server)
if jabber_server:
url = 'http://' + jabber_server + ':8080/'
nick = client.get_string('/desktop/sugar/user/nick')
server = ServerProxy(url)
try:
data = server.register(sn, nick, uuid_, profile.pubkey)
except (Error, TypeError, socket.error):
logging.exception('Registration: cannot connect to server')
raise RegisterError(_('Cannot connect to the server.'))
if data['success'] != 'OK':
logging.error('Registration: server could not complete request: %s',
data['error'])
raise RegisterError(_('The server could not complete the request.'))
client.set_string('/desktop/sugar/collaboration/jabber_server',
data['jabberserver'])
client.set_string('/desktop/sugar/backup_url', data['backupurl'])
return True
def have_ofw_tree():
return os.path.exists('/ofw')
def read_ofw(path):
path = os.path.join('/ofw', path)
if not os.path.exists(path):
return None
fh = open(path, 'r')
data = fh.read().rstrip('\0\n')
fh.close()
return data
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