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# -*- coding: utf-8 -*-
# zmq_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/>.
"""
Bonafide ZMQ Service.
"""
from leap.bonafide import config
from leap.bonafide._protocol import BonafideProtocol, COMMANDS
from txzmq import ZmqEndpoint, ZmqFactory, ZmqREPConnection
from twisted.application import service
from twisted.internet import reactor
from twisted.python import log
class BonafideZMQService(service.Service):
def __init__(self):
self._bonafide = BonafideProtocol()
self._conn = None
self.service_hooks = {}
def startService(self):
zf = ZmqFactory()
e = ZmqEndpoint("bind", config.ENDPOINT)
self._conn = _BonafideZmqREPConnection(zf, e, self._bonafide, self)
reactor.callWhenRunning(self._conn.do_greet)
super(BonafideZMQService, self).startService()
def stopService(self):
super(BonafideZMQService, self).stopService()
def register_hook(self, kind, trigger):
self.service_hooks[kind] = trigger
class _BonafideZmqREPConnection(ZmqREPConnection):
def __init__(self, zf, e, bonafide, service):
# XXX passing a ref to the service,
# to be able to access sibling services
ZmqREPConnection.__init__(self, zf, e)
self._bonafide = bonafide
self._service = service
def get_sibling_service(self, kind):
return self._service.parent.getServiceNamed(kind)
def get_hooked_service(self, kind):
hooks = self._service.service_hooks
if kind in hooks:
return self.get_sibling_service(hooks[kind])
def do_greet(self):
print "Starting Bonafide service"
def do_bye(self):
print "Bonafide service stopped. Have a nice day."
reactor.stop()
def defer_reply(self, response, msgId):
reactor.callLater(0, self.reply, msgId, str(response))
def log_err(self, failure, msgId):
log.err(failure)
self.defer_reply("ERROR: %r" % failure, msgId)
def gotMessage(self, msgId, *parts):
cmd = parts[0]
if cmd == "shutdown":
self.do_shutdown(msgId)
if cmd not in COMMANDS + ("get_soledad",):
response = 'INVALID COMMAND'
self.defer_reply(response, msgId)
elif cmd == 'signup':
self.do_signup(parts, msgId)
elif cmd == 'authenticate':
self.do_authenticate(parts, msgId)
elif cmd == 'logout':
self.do_logout(self, parts, msgId)
elif cmd == 'stats':
self.do_stats(msgId)
def do_shutdown(self, msgId):
self.defer_reply('ok, shutting down', msgId)
reactor.callLater(1, self.do_bye)
def do_signup(self, parts, msgId):
username, password = parts[1], parts[2]
d = self._bonafide.do_signup(username, password)
d.addCallback(lambda response: self.defer_reply(
'REGISTERED -> %s' % response), msgId)
d.addErrback(self.log_err, msgId)
def do_authenticate(self, parts, msgId):
username, password = parts[1], parts[2]
def notify_passphrase_entry(username, password):
this_hook = 'on_passphrase_entry'
hooked_service = self.get_hooked_service(this_hook)
if hooked_service:
hooked_service.notify_hook(
this_hook, username=username, password=password)
def notify_bonafide_auth_hook(result):
this_hook = 'on_bonafide_auth'
token, uuid = result
hooked_service = self.get_hooked_service(this_hook)
if hooked_service:
hooked_service.notify_hook(
this_hook,
username=username, token=token, uuid=uuid,
password=password)
return result
# XXX I still have doubts from where it's best to trigger this.
# We probably should wait for BOTH deferreds and
# handle local and remote authentication success together
# (and fail if either one fails). Going with fire-and-forget for
# now, but needs needs improvement.
notify_passphrase_entry(username, password)
d = self._bonafide.do_authenticate(username, password)
d.addCallback(notify_bonafide_auth_hook)
d.addCallback(lambda response: self.defer_reply(
'TOKEN, UUID: %s' % str(response), msgId))
d.addErrback(self.log_err, msgId)
def do_logout(self, parts, msgId):
username, password = parts[1], parts[2]
d = self._bonafide.do_logout(username, password)
d.addCallback(lambda response: self.defer_reply(
'LOGOUT -> ok'), msgId)
d.addErrback(self.log_err, msgId)
def do_stats(self, msgId):
response = self._bonafide.do_stats()
self.defer_reply(response, msgId)
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