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
|
#
# Copyright (c) 2015 ThoughtWorks, Inc.
#
# Pixelated is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Pixelated 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with Pixelated. If not, see <http://www.gnu.org/licenses/>.
import logging
from OpenSSL import SSL
from OpenSSL import crypto
from leap.common.events import (server as events_server,
register, catalog as events)
from twisted.cred import portal
from twisted.cred.checkers import AllowAnonymousAccess
from twisted.internet import defer
from twisted.internet import reactor
from twisted.internet import ssl
from pixelated.adapter.welcome_mail import add_welcome_mail
from pixelated.config import arguments
from pixelated.config import logger
from pixelated.config.leap import initialize_leap_single_user, init_monkeypatches, initialize_leap_provider
from pixelated.config import services
from pixelated.config.site import PixelatedSite
from pixelated.resources.auth import LeapPasswordChecker, PixelatedRealm, PixelatedAuthSessionWrapper, SessionChecker
from pixelated.resources.login_resource import LoginResource
from pixelated.resources.root_resource import RootResource
log = logging.getLogger(__name__)
class ServicesFactory(object):
def __init__(self, mode):
self._services_by_user = {}
self.mode = mode
def is_logged_in(self, user_id):
return user_id in self._services_by_user
def services(self, user_id):
return self._services_by_user[user_id]
def log_out_user(self, user_id):
if self.is_logged_in(user_id):
_services = self._services_by_user[user_id]
_services.close()
del self._services_by_user[user_id]
def add_session(self, user_id, services):
self._services_by_user[user_id] = services
@defer.inlineCallbacks
def create_services_from(self, leap_session):
_services = services.Services(leap_session)
yield _services.setup()
self._services_by_user[leap_session.user_auth.uuid] = _services
class SingleUserServicesFactory(object):
def __init__(self, mode):
self._services = None
self.mode = mode
def add_session(self, user_id, services):
self._services = services
def services(self, user_id):
return self._services
class UserAgentMode(object):
def __init__(self, is_single_user):
self.is_single_user = is_single_user
@defer.inlineCallbacks
def start_user_agent_in_single_user_mode(root_resource, services_factory, leap_home, leap_session):
log.info('Bootstrap done, loading services for user %s' % leap_session.user_auth.username)
_services = services.Services(leap_session)
yield _services.setup()
if leap_session.fresh_account:
yield add_welcome_mail(leap_session.mail_store)
services_factory.add_session(leap_session.user_auth.uuid, _services)
root_resource.initialize()
# soledad needs lots of threads
reactor.getThreadPool().adjustPoolsize(5, 15)
log.info('Done, the user agent is ready to be used')
def _ssl_options(sslkey, sslcert):
with open(sslkey) as keyfile:
pkey = crypto.load_privatekey(crypto.FILETYPE_PEM, keyfile.read())
with open(sslcert) as certfile:
cert = crypto.load_certificate(crypto.FILETYPE_PEM, certfile.read())
acceptable = ssl.AcceptableCiphers.fromOpenSSLCipherString(
u'ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:!RC4:HIGH:!MD5:!aNULL:!EDH')
options = ssl.CertificateOptions(privateKey=pkey,
certificate=cert,
method=SSL.TLSv1_2_METHOD,
acceptableCiphers=acceptable)
return options
def _create_service_factory(args):
if args.single_user:
return SingleUserServicesFactory(UserAgentMode(is_single_user=True))
else:
return ServicesFactory(UserAgentMode(is_single_user=False))
def initialize():
log.info('Starting the Pixelated user agent')
args = arguments.parse_user_agent_args()
logger.init(debug=args.debug)
services_factory = _create_service_factory(args)
resource = RootResource(services_factory)
deferred = _start_mode(args, resource, services_factory)
def _quit_on_error(failure):
failure.printTraceback()
reactor.stop()
def _register_shutdown_on_token_expire(leap_session):
register(events.SOLEDAD_INVALID_AUTH_TOKEN, lambda _: reactor.stop())
return leap_session
deferred.addCallback(_register_shutdown_on_token_expire)
deferred.addErrback(_quit_on_error)
log.info('Running the reactor')
reactor.run()
def _start_mode(args, resource, services_factory):
if services_factory.mode.is_single_user:
deferred = _start_in_single_user_mode(args, resource, services_factory)
else:
deferred = _start_in_multi_user_mode(args, resource, services_factory)
return deferred
def _start_in_multi_user_mode(args, root_resource, services_factory):
if args.provider is None:
raise ValueError('provider name is required')
init_monkeypatches()
events_server.ensure_server()
config, provider = initialize_leap_provider(args.provider, args.leap_provider_cert, args.leap_provider_cert_fingerprint, args.leap_home)
protected_resource = set_up_protected_resources(root_resource, provider, services_factory)
start_site(args, protected_resource)
reactor.getThreadPool().adjustPoolsize(5, 15)
return defer.succeed(None)
def set_up_protected_resources(root_resource, provider, services_factory, checker=None):
if not checker:
checker = LeapPasswordChecker(provider)
session_checker = SessionChecker(services_factory)
anonymous_resource = LoginResource(services_factory)
realm = PixelatedRealm(root_resource, anonymous_resource)
_portal = portal.Portal(realm, [checker, session_checker, AllowAnonymousAccess()])
protected_resource = PixelatedAuthSessionWrapper(_portal, root_resource, anonymous_resource, [])
anonymous_resource.set_portal(_portal)
root_resource.initialize(_portal)
return protected_resource
def _start_in_single_user_mode(args, resource, services_factory):
start_site(args, resource)
deferred = initialize_leap_single_user(args.leap_provider_cert,
args.leap_provider_cert_fingerprint,
args.credentials_file,
args.organization_mode,
args.leap_home)
deferred.addCallback(
lambda leap_session: start_user_agent_in_single_user_mode(
resource,
services_factory,
args.leap_home,
leap_session))
return deferred
def start_site(config, resource):
log.info('Starting the API on port %s' % config.port)
if config.sslkey and config.sslcert:
reactor.listenSSL(config.port, PixelatedSite(resource), _ssl_options(config.sslkey, config.sslcert),
interface=config.host)
else:
reactor.listenTCP(config.port, PixelatedSite(resource), interface=config.host)
|
