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# -*- coding: utf-8 -*-
# eipbootstrapper.py
# Copyright (C) 2013 LEAP
#
# 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/>.
"""
EIP bootstrapping
"""
import logging
import os
from PySide import QtCore
from leap.bitmask.config.providerconfig import ProviderConfig
from leap.bitmask.crypto.certs import download_client_cert
from leap.bitmask.services import download_service_config
from leap.bitmask.services.abstractbootstrapper import AbstractBootstrapper
from leap.bitmask.services.eip.eipconfig import EIPConfig
from leap.common import certs as leap_certs
from leap.bitmask.util import get_path_prefix
from leap.common.check import leap_assert, leap_assert_type
from leap.common.files import check_and_fix_urw_only
logger = logging.getLogger(__name__)
class EIPBootstrapper(AbstractBootstrapper):
"""
Sets up EIP for a provider a series of checks and emits signals
after they are passed.
If a check fails, the subsequent checks are not executed
"""
# All dicts returned are of the form
# {"passed": bool, "error": str}
download_config = QtCore.Signal(dict)
download_client_certificate = QtCore.Signal(dict)
def __init__(self):
AbstractBootstrapper.__init__(self)
self._provider_config = None
self._eip_config = None
self._download_if_needed = False
def _download_config(self, *args):
"""
Downloads the EIP config for the given provider
"""
leap_assert(self._provider_config,
"We need a provider configuration!")
logger.debug("Downloading EIP config for %s" %
(self._provider_config.get_domain(),))
self._eip_config = EIPConfig()
download_service_config(
self._provider_config,
self._eip_config,
self._session,
self._download_if_needed)
def _download_client_certificates(self, *args):
"""
Downloads the EIP client certificate for the given provider
"""
leap_assert(self._provider_config, "We need a provider configuration!")
leap_assert(self._eip_config, "We need an eip configuration!")
logger.debug("Downloading EIP client certificate for %s" %
(self._provider_config.get_domain(),))
client_cert_path = self._eip_config.\
get_client_cert_path(self._provider_config,
about_to_download=True)
# For re-download if something is wrong with the cert
self._download_if_needed = self._download_if_needed and \
not leap_certs.should_redownload(client_cert_path)
if self._download_if_needed and \
os.path.isfile(client_cert_path):
check_and_fix_urw_only(client_cert_path)
return
download_client_cert(
self._provider_config,
client_cert_path,
self._session)
def run_eip_setup_checks(self,
provider_config,
download_if_needed=False):
"""
Starts the checks needed for a new eip setup
:param provider_config: Provider configuration
:type provider_config: ProviderConfig
"""
leap_assert(provider_config, "We need a provider config!")
leap_assert_type(provider_config, ProviderConfig)
self._provider_config = provider_config
self._download_if_needed = download_if_needed
cb_chain = [
(self._download_config, self.download_config),
(self._download_client_certificates,
self.download_client_certificate)
]
return self.addCallbackChain(cb_chain)
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