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# -*- coding: utf-8 -*-
# soledadbootstrapper.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/>.
"""
Soledad bootstrapping
"""
import logging
import os
import requests
from PySide import QtCore
from mock import Mock
from leap.common.check import leap_assert, leap_assert_type
from leap.common.files import get_mtime
from leap.common.keymanager import KeyManager, openpgp
from leap.common.keymanager.errors import KeyNotFound
from leap.config.providerconfig import ProviderConfig
from leap.crypto.srpauth import SRPAuth
from leap.services.soledad.soledadconfig import SoledadConfig
from leap.util.request_helpers import get_content
from leap.soledad import Soledad
logger = logging.getLogger(__name__)
class SoledadBootstrapper(QtCore.QObject):
"""
Soledad init procedure
"""
PASSED_KEY = "passed"
ERROR_KEY = "error"
PUBKEY_KEY = "user[public_key]"
IDLE_SLEEP_INTERVAL = 100
# All dicts returned are of the form
# {"passed": bool, "error": str}
download_config = QtCore.Signal(dict)
gen_key = QtCore.Signal(dict)
def __init__(self):
QtCore.QObject.__init__(self)
# **************************************************** #
# Dependency injection helpers, override this for more
# granular testing
self._fetcher = requests
# **************************************************** #
self._session = self._fetcher.session()
self._provider_config = None
self._soledad_config = None
self._keymanager = None
self._download_if_needed = False
self._user = ""
self._password = ""
def _load_and_sync_soledad(self, srp_auth):
"""
Once everthing is in the right place, we instantiate and sync
Soledad
:param srp_auth: SRPAuth object used
:type srp_auth: SRPAuth
"""
uuid = srp_auth.get_uid()
prefix = os.path.join(self._soledad_config.get_path_prefix(),
"leap", "soledad")
secrets_path = "%s/%s.secret" % (prefix, uuid)
local_db_path = "%s/%s.db" % (prefix, uuid)
# TODO: use the proper URL
server_url = 'https://mole.dev.bitmask.net:2424/user-%s' % (uuid,)
# server_url = self._soledad_config.get_hosts(...)
cert_file = self._provider_config.get_ca_cert_path()
self._soledad = Soledad(uuid,
self._password.encode("utf-8"),
secrets_path,
local_db_path,
server_url,
cert_file,
srp_auth.get_token())
self._soledad.sync()
def _download_config(self):
"""
Downloads the Soledad config for the given provider
:return: True if everything went as expected, False otherwise
:rtype: bool
"""
leap_assert(self._provider_config,
"We need a provider configuration!")
logger.debug("Downloading Soledad config for %s" %
(self._provider_config.get_domain(),))
download_config_data = {
self.PASSED_KEY: False,
self.ERROR_KEY: ""
}
self._soledad_config = SoledadConfig()
try:
headers = {}
mtime = get_mtime(os.path.join(self._soledad_config
.get_path_prefix(),
"leap",
"providers",
self._provider_config.get_domain(),
"soledad-service.json"))
if self._download_if_needed and mtime:
headers['if-modified-since'] = mtime
# there is some confusion with this uri,
config_uri = "%s/%s/config/soledad-service.json" % (
self._provider_config.get_api_uri(),
self._provider_config.get_api_version())
logger.debug('Downloading soledad config from: %s' % config_uri)
srp_auth = SRPAuth(self._provider_config)
session_id = srp_auth.get_session_id()
cookies = None
if session_id:
cookies = {"_session_id": session_id}
res = self._session.get(config_uri,
verify=self._provider_config
.get_ca_cert_path(),
headers=headers,
cookies=cookies)
res.raise_for_status()
# Not modified
if res.status_code == 304:
logger.debug("Soledad definition has not been modified")
else:
soledad_definition, mtime = get_content(res)
self._soledad_config.load(data=soledad_definition, mtime=mtime)
self._soledad_config.save(["leap",
"providers",
self._provider_config.get_domain(),
"soledad-service.json"])
self._load_and_sync_soledad(srp_auth)
download_config_data[self.PASSED_KEY] = True
except Exception as e:
download_config_data[self.PASSED_KEY] = False
download_config_data[self.ERROR_KEY] = "%s" % (e,)
logger.debug("Emitting download_config %s" % (download_config_data,))
self.download_config.emit(download_config_data)
return download_config_data[self.PASSED_KEY]
def _gen_key(self):
"""
Generates the key pair if needed, uploads it to the webapp and
nickserver
:return: True if everything is done successfully, False
otherwise
:rtype: bool
"""
leap_assert(self._provider_config,
"We need a provider configuration!")
# XXX Sanitize this
address = "%s@%s" % (self._user, self._provider_config.get_domain())
logger.debug("Retrieving key for %s" % (address,))
genkey_data = {
self.PASSED_KEY: False,
self.ERROR_KEY: ""
}
try:
srp_auth = SRPAuth(self._provider_config)
self._keymanager = KeyManager(
address,
"https://nickserver", # TODO: nickserver url, none for now
self._soledad,
token=srp_auth.get_token())
self._keymanager._fetcher.put = Mock()
try:
self._keymanager.get_key(address, openpgp.OpenPGPKey,
private=True, fetch_remote=False)
except KeyNotFound:
logger.debug("Key not found. Generating key for %s" % (address,))
self._keymanager.gen_key(openpgp.OpenPGPKey)
logger.debug("Key generated successfully.")
cookies = None
session_id = srp_auth.get_session_id()
if session_id:
cookies = {"_session_id": session_id}
key_uri = "%s/%s/users/%s.json" % (
self._provider_config.get_api_uri(),
self._provider_config.get_api_version(),
srp_auth.get_uid())
logger.debug("Uploading public key to %s" % (key_uri,))
pubkey = self._keymanager.get_key(address, openpgp.OpenPGPKey,
private=False, fetch_remote=False)
key_data = {
self.PUBKEY_KEY: pubkey.key_data,
}
# TODO: check if uploaded before uploading it
key_result = self._session.put(key_uri,
data=key_data,
verify=self._provider_config
.get_ca_cert_path(),
cookies=cookies)
key_result.raise_for_status()
genkey_data[self.PASSED_KEY] = True
except Exception as e:
genkey_data[self.PASSED_KEY] = False
genkey_data[self.ERROR_KEY] = "%s" % (e,)
logger.debug("Emitting gen_key %s" % (genkey_data,))
self.gen_key.emit(genkey_data)
return genkey_data[self.PASSED_KEY]
def run_soledad_setup_checks(self,
checker,
provider_config,
user,
password,
download_if_needed=False):
"""
Starts the checks needed for a new soledad setup
:param provider_config: Provider configuration
:type provider_config: ProviderConfig
"""
leap_assert_type(provider_config, ProviderConfig)
self._provider_config = provider_config
self._download_if_needed = download_if_needed
self._user = user
self._password = password
checker.add_checks([
self._download_config,
self._gen_key
])
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