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# -*- coding: utf-8 -*-
# service.py
# Copyright (C) 2015 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/>.
"""
Bitmask-core Service.
"""
import json
import resource
from twisted.internet import reactor
from twisted.python import log
from leap.bitmask import __version__
from leap.bitmask.core import configurable
from leap.bitmask.core import _zmq
from leap.bitmask.core import _web
from leap.bitmask.core import flags
from leap.common.events import server as event_server
# from leap.vpn import EIPService
backend = flags.BACKEND
if backend == 'default':
from leap.bitmask.core import mail_services
from leap.bitmask.bonafide.service import BonafideService
elif backend == 'dummy':
from leap.bitmask.core.dummy import mail_services
from leap.bitmask.core.dummy import BonafideService
else:
raise RuntimeError('Backend not supported')
class BitmaskBackend(configurable.ConfigurableService):
def __init__(self, basedir=configurable.DEFAULT_BASEDIR):
configurable.ConfigurableService.__init__(self, basedir)
self.core_commands = BackendCommands(self)
def enabled(service):
return self.get_config('services', service, False, boolean=True)
on_start = reactor.callWhenRunning
on_start(self.init_events)
on_start(self.init_bonafide)
if enabled('mail'):
on_start(self.init_soledad)
on_start(self.init_keymanager)
on_start(self.init_mail)
if enabled('eip'):
on_start(self.init_eip)
if enabled('zmq'):
on_start(self.init_zmq)
if enabled('web'):
on_start(self.init_web)
if enabled('websockets'):
on_start(self.init_websockets)
def init_events(self):
event_server.ensure_server()
def init_bonafide(self):
bf = BonafideService(self.basedir)
bf.setName('bonafide')
bf.setServiceParent(self)
# TODO ---- these hooks should be activated only if
# (1) we have enabled that service
# (2) provider offers this service
bf.register_hook('on_passphrase_entry', listener='soledad')
bf.register_hook('on_bonafide_auth', listener='soledad')
bf.register_hook('on_bonafide_auth', listener='keymanager')
def init_soledad(self):
service = mail_services.SoledadService
sol = self._maybe_start_service(
'soledad', service, self.basedir)
if sol:
sol.register_hook(
'on_new_soledad_instance', listener='keymanager')
def init_keymanager(self):
service = mail_services.KeymanagerService
km = self._maybe_start_service(
'keymanager', service, self.basedir)
if km:
km.register_hook('on_new_keymanager_instance', listener='mail')
def init_mail(self):
service = mail_services.StandardMailService
self._maybe_start_service('mail', service, self.basedir)
def init_eip(self):
# FIXME -- land EIP into leap.vpn
pass
# self._maybe_start_service('eip', EIPService)
def init_zmq(self):
zs = _zmq.ZMQServerService(self)
zs.setServiceParent(self)
def init_web(self):
service = _web.HTTPDispatcherService
self._maybe_start_service('web', service, self)
def init_websockets(self):
from leap.bitmask.core import websocket
ws = websocket.WebSocketsDispatcherService(self)
ws.setServiceParent(self)
def _maybe_start_service(self, label, klass, *args, **kw):
try:
self.getServiceNamed(label)
except KeyError:
service = klass(*args, **kw)
service.setName(label)
service.setServiceParent(self)
return service
def do_stats(self):
return self.core_commands.do_stats()
def do_status(self):
return self.core_commands.do_status()
def do_version(self):
return self.core_commands.do_version()
def do_shutdown(self):
return self.core_commands.do_shutdown()
# Service Toggling
def do_enable_service(self, service):
assert service in self.service_names
self.set_config('services', service, 'True')
if service == 'mail':
self.init_soledad()
self.init_keymanager()
self.init_mail()
elif service == 'eip':
self.init_eip()
elif service == 'zmq':
self.init_zmq()
elif service == 'web':
self.init_web()
return {'enabled': 'ok'}
def do_disable_service(self, service):
assert service in self.service_names
# TODO -- should stop also?
self.set_config('services', service, 'False')
return {'disabled': 'ok'}
class BackendCommands(object):
"""
General commands for the BitmaskBackend Core Service.
"""
def __init__(self, core):
self.core = core
def do_status(self):
# we may want to make this tuple a class member
services = ('soledad', 'keymanager', 'mail', 'eip', 'web')
status = {}
for name in services:
_status = 'stopped'
try:
if self.core.getServiceNamed(name).running:
_status = 'running'
except KeyError:
pass
status[name] = _status
status['backend'] = flags.BACKEND
return json.dumps(status)
def do_version(self):
return {'version_core': __version__}
def do_stats(self):
log.msg('BitmaskCore Service STATS')
mem = resource.getrusage(resource.RUSAGE_SELF).ru_maxrss
return {'mem_usage': '%s MB' % (mem / 1024)}
def do_shutdown(self):
self.core.stopService()
reactor.callLater(1, reactor.stop)
return {'shutdown': 'ok'}
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