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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 _
import xmlrpclib
import socket
import httplib
import os
from string import ascii_uppercase
import random
import time
import uuid
import sys
import gconf
from sugar import env
from sugar.profile import get_profile
_REGISTER_URL = 'http://schoolserver:8080/'
_REGISTER_TIMEOUT = 8
_OFW_TREE = '/ofw'
_PROC_TREE = '/proc/device-tree'
_MFG_SN = 'mfg-data/SN'
_MFG_UUID = 'mfg-data/U#'
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
class _TimeoutHTTP(httplib.HTTP):
def __init__(self, host='', port=None, strict=None, timeout=None):
if port == 0:
port = None
# FIXME: Depending on undocumented internals that can break between
# Python releases. Please have a look at SL #2350
self._setup(self._connection_class(host,
port, strict, timeout=_REGISTER_TIMEOUT))
class _TimeoutTransport(xmlrpclib.Transport):
def make_connection(self, host):
host, extra_headers, x509_ = self.get_host_info(host)
return _TimeoutHTTP(host, timeout=_REGISTER_TIMEOUT)
def register_laptop(url=_REGISTER_URL):
profile = get_profile()
client = gconf.client_get_default()
if _have_ofw_tree():
sn = _read_mfg_data(os.path.join(_OFW_TREE, _MFG_SN))
uuid_ = _read_mfg_data(os.path.join(_OFW_TREE, _MFG_UUID))
elif _have_proc_device_tree():
sn = _read_mfg_data(os.path.join(_PROC_TREE, _MFG_SN))
uuid_ = _read_mfg_data(os.path.join(_PROC_TREE, _MFG_UUID))
else:
sn = _generate_serial_number()
uuid_ = str(uuid.uuid1())
sn = sn or 'SHF00000000'
uuid_ = uuid_ or '00000000-0000-0000-0000-000000000000'
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')
if sys.hexversion < 0x2070000:
server = xmlrpclib.ServerProxy(url, _TimeoutTransport())
else:
socket.setdefaulttimeout(_REGISTER_TIMEOUT)
server = xmlrpclib.ServerProxy(url)
try:
data = server.register(sn, nick, uuid_, profile.pubkey)
except (xmlrpclib.Error, TypeError, socket.error):
logging.exception('Registration: cannot connect to server')
raise RegisterError(_('Cannot connect to the server.'))
finally:
socket.setdefaulttimeout(None)
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_TREE)
def _have_proc_device_tree():
return os.path.exists(_PROC_TREE)
def _read_mfg_data(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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