summaryrefslogtreecommitdiff
path: root/src/leap/bitmask/backend/leapbackend.py
blob: d0668a1c308755a3759672974f30f5dfc2f24712 (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
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
# -*- coding: utf-8 -*-
# leapbackend.py
# Copyright (C) 2013, 2014 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/>.
"""
Backend for everything
"""
import zope.interface
import zope.proxy

from leap.bitmask.backend import components
from leap.bitmask.backend.backend import Backend
from leap.bitmask.backend.settings import Settings
from leap.bitmask.logs.utils import get_logger

logger = get_logger()

ERROR_KEY = "error"
PASSED_KEY = "passed"


class LeapBackend(Backend):
    """
    Backend server subclass, used to implement the API methods.
    """

    def __init__(self, bypass_checks=False, frontend_pid=None):
        """
        Constructor for the backend.
        """
        Backend.__init__(self, frontend_pid)

        self._settings = Settings()

        # Objects needed by several components, so we make a proxy and pass
        # them around
        self._soledad_proxy = zope.proxy.ProxyBase(None)
        self._keymanager_proxy = zope.proxy.ProxyBase(None)

        # Component instances creation
        self._provider = components.Provider(self._signaler, bypass_checks)
        self._register = components.Register(self._signaler)
        self._authenticate = components.Authenticate(self._signaler)
        self._eip = components.EIP(self._signaler)
        self._soledad = components.Soledad(self._soledad_proxy,
                                           self._keymanager_proxy,
                                           self._signaler)
        self._keymanager = components.Keymanager(self._keymanager_proxy,
                                                 self._signaler)
        self._mail = components.Mail(self._soledad_proxy,
                                     self._keymanager_proxy,
                                     self._signaler)

    def _check_type(self, obj, expected_type):
        """
        Check the type of a parameter.

        :param obj: object to check its type.
        :type obj: any type
        :param expected_type: the expected type of the object.
        :type expected_type: type
        """
        if not isinstance(obj, expected_type):
            raise TypeError("The parameter type is incorrect.")

    def provider_setup(self, provider):
        """
        Initiate the setup for a provider.

        :param provider: URL for the provider
        :type provider: unicode

        Signals:
            prov_unsupported_client
            prov_unsupported_api
            prov_name_resolution        -> { PASSED_KEY: bool, ERROR_KEY: str }
            prov_https_connection       -> { PASSED_KEY: bool, ERROR_KEY: str }
            prov_download_provider_info -> { PASSED_KEY: bool, ERROR_KEY: str }
        """
        self._provider.setup_provider(provider)

    def provider_cancel_setup(self):
        """
        Cancel the ongoing setup provider (if any).
        """
        self._provider.cancel_setup_provider()

    def provider_bootstrap(self, provider):
        """
        Second stage of bootstrapping for a provider.

        :param provider: URL for the provider
        :type provider: unicode

        Signals:
            prov_problem_with_provider
            prov_download_ca_cert      -> {PASSED_KEY: bool, ERROR_KEY: str}
            prov_check_ca_fingerprint  -> {PASSED_KEY: bool, ERROR_KEY: str}
            prov_check_api_certificate -> {PASSED_KEY: bool, ERROR_KEY: str}
        """
        self._provider.bootstrap(provider)

    def provider_get_supported_services(self, domain):
        """
        Signal a list of supported services provided by the given provider.

        :param domain: the provider to get the services from.
        :type domain: str

        Signals:
            prov_get_supported_services -> list of unicode
        """
        self._provider.get_supported_services(domain)

    def provider_get_all_services(self, providers):
        """
        Signal a list of services provided by all the configured providers.

        :param providers: the list of providers to get the services.
        :type providers: list

        Signals:
            prov_get_all_services -> list of unicode
        """
        self._provider.get_all_services(providers)

    def provider_get_details(self, domain, lang):
        """
        Signal a dict with the current ProviderConfig settings.

        :param domain: the domain name of the provider.
        :type domain: str
        :param lang: the language to use for localized strings.
        :type lang: str

        Signals:
            prov_get_details -> dict
        """
        self._provider.get_details(domain, lang)

    def provider_get_pinned_providers(self):
        """
        Signal the pinned providers.

        Signals:
            prov_get_pinned_providers -> list of provider domains
        """
        self._provider.get_pinned_providers()

    def user_register(self, provider, username, password):
        """
        Register a user using the domain and password given as parameters.

        :param domain: the domain we need to register the user.
        :type domain: unicode
        :param username: the user name
        :type username: unicode
        :param password: the password for the username
        :type password: unicode

        Signals:
            srp_registration_finished
            srp_registration_taken
            srp_registration_failed
        """
        self._register.register_user(provider, username, password)

    def eip_setup(self, provider, skip_network=False):
        """
        Initiate the setup for a provider

        :param provider: URL for the provider
        :type provider: unicode
        :param skip_network: Whether checks that involve network should be done
                             or not
        :type skip_network: bool

        Signals:
            eip_config_ready             -> {PASSED_KEY: bool, ERROR_KEY: str}
            eip_client_certificate_ready -> {PASSED_KEY: bool, ERROR_KEY: str}
            eip_cancelled_setup
        """
        self._eip.setup_eip(provider, skip_network)

    def eip_cancel_setup(self):
        """
        Cancel the ongoing setup EIP (if any).
        """
        self._eip.cancel_setup_eip()

    def eip_start(self, restart=False):
        """
        Start the EIP service.

        Signals:
            backend_bad_call
            eip_alien_openvpn_already_running
            eip_connected
            eip_connection_aborted
            eip_network_unreachable
            eip_no_pkexec_error
            eip_no_polkit_agent_error
            eip_no_tun_kext_error
            eip_openvpn_already_running
            eip_openvpn_not_found_error
            eip_process_finished
            eip_process_restart_ping
            eip_process_restart_tls
            eip_state_changed -> str
            eip_status_changed -> tuple of str (download, upload)
            eip_vpn_launcher_exception

        :param restart: whether is is a restart.
        :type restart: bool
        """
        self._eip.start(restart)

    def eip_stop(self, shutdown=False, restart=False, failed=False):
        """
        Stop the EIP service.

        :param shutdown: whether this is the final shutdown.
        :type shutdown: bool

        :param restart: whether this is part of a restart.
        :type restart: bool
        """
        self._eip.stop(shutdown, restart)

    def eip_terminate(self):
        """
        Terminate the EIP service, not necessarily in a nice way.
        """
        self._eip.terminate()

    def eip_get_gateways_list(self, domain):
        """
        Signal a list of gateways for the given provider.

        :param domain: the domain to get the gateways.
        :type domain: str

        Signals:
            eip_get_gateways_list -> list of unicode
            eip_get_gateways_list_error
            eip_uninitialized_provider
        """
        self._eip.get_gateways_list(domain)

    def eip_get_gateway_country_code(self, domain):
        """
        Signal a list of gateways for the given provider.

        :param domain: the domain to get the gateways.
        :type domain: str

        Signals:
            eip_get_gateways_list -> str
            eip_no_gateway
        """
        self._eip.get_gateway_country_code(domain)

    def eip_get_initialized_providers(self, domains):
        """
        Signal a list of the given domains and if they are initialized or not.

        :param domains: the list of domains to check.
        :type domain: list of str

        Signals:
            eip_get_initialized_providers -> list of tuple(unicode, bool)

        """
        self._eip.get_initialized_providers(domains)

    def eip_can_start(self, domain):
        """
        Signal whether it has everything that is needed to run EIP or not

        :param domain: the domain for the provider to check
        :type domain: str

        Signals:
            eip_can_start
            eip_cannot_start
        """
        self._eip.can_start(domain)

    def eip_check_dns(self, domain):
        """
        Check if we can resolve the given domain name.

        :param domain: the domain for the provider to check
        :type domain: str

        Signals:
            eip_dns_ok
            eip_dns_error
        """
        self._eip.check_dns(domain)

    def tear_fw_down(self):
        """
        Signal the need to tear the fw down.
        """
        self._eip.tear_fw_down()

    def bitmask_root_vpn_down(self):
        """
        Signal the need to bring vpn down.
        """
        self._eip.bitmask_root_vpn_down()

    def user_login(self, provider, username, password):
        """
        Execute the whole authentication process for a user

        :param domain: the domain where we need to authenticate.
        :type domain: unicode
        :param username: username for this session
        :type username: str
        :param password: password for this user
        :type password: str

        Signals:
            srp_auth_error
            srp_auth_ok
            srp_auth_bad_user_or_password
            srp_auth_server_error
            srp_auth_connection_error
            srp_auth_error
        """
        self._authenticate.login(provider, username, password)

    def user_logout(self):
        """
        Log out the current session.

        Signals:
            srp_logout_ok
            srp_logout_error
            srp_not_logged_in_error
        """
        self._authenticate.logout()

    def user_cancel_login(self):
        """
        Cancel the ongoing login (if any).
        """
        self._authenticate.cancel_login()

    def user_change_password(self, current_password, new_password):
        """
        Change the user's password.

        :param current_password: the current password of the user.
        :type current_password: str
        :param new_password: the new password for the user.
        :type new_password: str

        Signals:
            srp_not_logged_in_error
            srp_password_change_ok
            srp_password_change_badpw
            srp_password_change_error
        """
        self._authenticate.change_password(current_password, new_password)

    def soledad_change_password(self, new_password):
        """
        Change the database's password.

        :param new_password: the new password for the user.
        :type new_password: unicode

        Signals:
            srp_not_logged_in_error
            srp_password_change_ok
            srp_password_change_badpw
            srp_password_change_error
        """
        self._soledad.change_password(new_password)

    def user_get_logged_in_status(self):
        """
        Signal if the user is currently logged in or not.

        Signals:
            srp_status_logged_in
            srp_status_not_logged_in
        """
        self._authenticate.get_logged_in_status()

    def soledad_bootstrap(self, username, domain, password):
        """
        Bootstrap the soledad database.

        :param username: the user name
        :type username: unicode
        :param domain: the domain that we are using.
        :type domain: unicode
        :param password: the password for the username
        :type password: unicode

        Signals:
            soledad_bootstrap_finished
            soledad_bootstrap_failed
            soledad_invalid_auth_token
        """
        self._check_type(username, unicode)
        self._check_type(domain, unicode)
        self._check_type(password, unicode)
        self._soledad.bootstrap(username, domain, password)

    def soledad_load_offline(self, username, password, uuid):
        """
        Load the soledad database in offline mode.

        :param username: full user id (user@provider)
        :type username: str or unicode
        :param password: the soledad passphrase
        :type password: unicode
        :param uuid: the user uuid
        :type uuid: str or unicode

        Signals:
        """
        self._soledad.load_offline(username, password, uuid)

    def soledad_get_service_token(self, service):
        """
        Attempt to get an authentication token for a given service.
        """
        self._soledad.get_service_token(service)

    def soledad_cancel_bootstrap(self):
        """
        Cancel the ongoing soledad bootstrapping process (if any).
        """
        self._soledad.cancel_bootstrap()

    def soledad_close(self):
        """
        Close soledad database.
        """
        self._soledad.close()

    def keymanager_list_keys(self):
        """
        Signal a list of public keys locally stored.

        Signals:
            keymanager_keys_list -> list
        """
        self._keymanager.list_keys()

    def keymanager_export_keys(self, username, filename):
        """
        Export the given username's keys to a file.

        :param username: the username whos keys we need to export.
        :type username: str
        :param filename: the name of the file where we want to save the keys.
        :type filename: str

        Signals:
            keymanager_export_ok
            keymanager_export_error
        """
        self._keymanager.export_keys(username, filename)

    def keymanager_get_key_details(self, username):
        """
        Signal the given username's key details.

        :param username: the username whos keys we need to get details.
        :type username: str

        Signals:
            keymanager_key_details
        """
        self._keymanager.get_key_details(username)

    def smtp_start_service(self, full_user_id, download_if_needed=False):
        """
        Start the SMTP service.

        :param full_user_id: user id, in the form "user@provider"
        :type full_user_id: str
        :param download_if_needed: True if it should check for mtime
                                   for the file
        :type download_if_needed: bool
        """
        self._mail.start_smtp_service(full_user_id, download_if_needed)

    def imap_start_service(self, full_user_id, offline=False):
        """
        Start the IMAP service.

        :param full_user_id: user id, in the form "user@provider"
        :type full_user_id: str
        :param offline: whether imap should start in offline mode or not.
        :type offline: bool
        """
        self._mail.start_imap_service(full_user_id, offline)

    def smtp_stop_service(self):
        """
        Stop the SMTP service.
        """
        self._mail.stop_smtp_service()

    def imap_stop_service(self):
        """
        Stop imap service.

        Signals:
            imap_stopped
        """
        self._mail.stop_imap_service()

    def settings_set_selected_gateway(self, provider, gateway):
        """
        Set the selected gateway for a given provider.

        :param provider: provider domain
        :type provider: str
        :param gateway: gateway to use as default
        :type gateway: str
        """
        self._settings.set_selected_gateway(provider, gateway)