summaryrefslogtreecommitdiff
path: root/src/leap/bitmask/core/service.py
blob: bfcf0f2d0bbf0daadf4568db60f19aa09c558fe4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
# -*- 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 os.path import join, abspath

from twisted.internet import reactor
from twisted.python import log, logfile

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_stop(self):
        return self.core_commands.do_stop()

    # 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_stop(self):
        self.core.stopService()
        reactor.callLater(1, reactor.stop)
        return {'stop': 'ok'}