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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 gotMessage(self, msgId, *parts):
def defer_reply(response):
reactor.callLater(0, self.reply, msgId, str(response))
def log_err(failure):
log.err(failure)
defer_reply("ERROR: %r" % failure)
cmd = parts[0]
# TODO split using dispatcher pattern
if cmd == "shutdown":
defer_reply('ok, shutting down')
reactor.callLater(1, self.do_bye)
if cmd not in COMMANDS + ("get_soledad",):
response = 'INVALID COMMAND'
defer_reply(response)
elif cmd == 'signup':
username, password = parts[1], parts[2]
d = self._bonafide.do_signup(username, password)
d.addCallback(lambda response: defer_reply(
'REGISTERED -> %s' % response))
d.addErrback(log_err)
elif cmd == 'authenticate':
def notify_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, uuid=uuid, token=token)
return result
username, password = parts[1], parts[2]
d = self._bonafide.do_authenticate(username, password)
d.addCallback(notify_hook)
d.addCallback(lambda response: defer_reply(
'TOKEN, UUID: %s' % str(response)))
d.addErrback(log_err)
elif cmd == 'logout':
username, password = parts[1], parts[2]
d = self._bonafide.do_logout(username, password)
d.addCallback(lambda response: defer_reply(
'LOGOUT -> ok'))
d.addErrback(log_err)
elif cmd == 'stats':
response = self._bonafide.do_stats()
defer_reply(response)
# XXX DEBUG ---------------------------------------------------------
elif cmd == 'get_soledad':
response = str(self._service.parent.getServiceNamed("soledad"))
defer_reply(response)
# ------------------------------------------------------------------
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