-
Notifications
You must be signed in to change notification settings - Fork 540
/
meshuser.js
8173 lines (7239 loc) · 552 KB
/
meshuser.js
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
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/**
* @description MeshCentral MeshAgent
* @author Ylian Saint-Hilaire & Bryan Roe
* @copyright Intel Corporation 2018-2022
* @license Apache-2.0
* @version v0.0.1
*/
/*jslint node: true */
/*jshint node: true */
/*jshint strict:false */
/*jshint -W097 */
/*jshint esversion: 6 */
"use strict";
// Construct a MeshAgent object, called upon connection
module.exports.CreateMeshUser = function (parent, db, ws, req, args, domain, user) {
const fs = require('fs');
const path = require('path');
const common = parent.common;
// Cross domain messages, for cross-domain administrators only.
const allowedCrossDomainMessages = ['accountcreate', 'accountremove', 'accountchange', 'createusergroup', 'deleteusergroup', 'usergroupchange'];
// User Consent Flags
const USERCONSENT_DesktopNotifyUser = 1;
const USERCONSENT_TerminalNotifyUser = 2;
const USERCONSENT_FilesNotifyUser = 4;
const USERCONSENT_DesktopPromptUser = 8;
const USERCONSENT_TerminalPromptUser = 16;
const USERCONSENT_FilesPromptUser = 32;
const USERCONSENT_ShowConnectionToolbar = 64;
// Mesh Rights
const MESHRIGHT_EDITMESH = 0x00000001; // 1
const MESHRIGHT_MANAGEUSERS = 0x00000002; // 2
const MESHRIGHT_MANAGECOMPUTERS = 0x00000004; // 4
const MESHRIGHT_REMOTECONTROL = 0x00000008; // 8
const MESHRIGHT_AGENTCONSOLE = 0x00000010; // 16
const MESHRIGHT_SERVERFILES = 0x00000020; // 32
const MESHRIGHT_WAKEDEVICE = 0x00000040; // 64
const MESHRIGHT_SETNOTES = 0x00000080; // 128
const MESHRIGHT_REMOTEVIEWONLY = 0x00000100; // 256
const MESHRIGHT_NOTERMINAL = 0x00000200; // 512
const MESHRIGHT_NOFILES = 0x00000400; // 1024
const MESHRIGHT_NOAMT = 0x00000800; // 2048
const MESHRIGHT_DESKLIMITEDINPUT = 0x00001000; // 4096
const MESHRIGHT_LIMITEVENTS = 0x00002000; // 8192
const MESHRIGHT_CHATNOTIFY = 0x00004000; // 16384
const MESHRIGHT_UNINSTALL = 0x00008000; // 32768
const MESHRIGHT_NODESKTOP = 0x00010000; // 65536
const MESHRIGHT_REMOTECOMMAND = 0x00020000; // 131072
const MESHRIGHT_RESETOFF = 0x00040000; // 262144
const MESHRIGHT_GUESTSHARING = 0x00080000; // 524288
const MESHRIGHT_DEVICEDETAILS = 0x00100000; // 1048576
const MESHRIGHT_RELAY = 0x00200000; // 2097152
const MESHRIGHT_ADMIN = 0xFFFFFFFF;
// Site rights
const SITERIGHT_SERVERBACKUP = 0x00000001; // 1
const SITERIGHT_MANAGEUSERS = 0x00000002; // 2
const SITERIGHT_SERVERRESTORE = 0x00000004; // 4
const SITERIGHT_FILEACCESS = 0x00000008; // 8
const SITERIGHT_SERVERUPDATE = 0x00000010; // 16
const SITERIGHT_LOCKED = 0x00000020; // 32
const SITERIGHT_NONEWGROUPS = 0x00000040; // 64
const SITERIGHT_NOMESHCMD = 0x00000080; // 128
const SITERIGHT_USERGROUPS = 0x00000100; // 256
const SITERIGHT_RECORDINGS = 0x00000200; // 512
const SITERIGHT_LOCKSETTINGS = 0x00000400; // 1024
const SITERIGHT_ALLEVENTS = 0x00000800; // 2048
const SITERIGHT_NONEWDEVICES = 0x00001000; // 4096
const SITERIGHT_ADMIN = 0xFFFFFFFF;
// Protocol Numbers
const PROTOCOL_TERMINAL = 1;
const PROTOCOL_DESKTOP = 2;
const PROTOCOL_FILES = 5;
const PROTOCOL_AMTWSMAN = 100;
const PROTOCOL_AMTREDIR = 101;
const PROTOCOL_MESSENGER = 200;
const PROTOCOL_WEBRDP = 201;
const PROTOCOL_WEBSSH = 202;
const PROTOCOL_WEBSFTP = 203;
const PROTOCOL_WEBVNC = 204;
// MeshCentral Satellite
const SATELLITE_PRESENT = 1; // This session is a MeshCentral Satellite session
const SATELLITE_802_1x = 2; // This session supports 802.1x profile checking and creation
// Events
/*
var eventsMessageId = {
1: "Account login",
2: "Account logout",
3: "Changed language from {1} to {2}",
4: "Joined desktop multiplex session",
5: "Left the desktop multiplex session",
6: "Started desktop multiplex session",
7: "Finished recording session, {0} second(s)",
8: "Closed desktop multiplex session, {0} second(s)"
};
*/
var obj = {};
obj.user = user;
obj.domain = domain;
obj.ws = ws;
// Information related to the current page the user is looking at
obj.deviceSkip = 0; // How many devices to skip
obj.deviceLimit = 0; // How many devices to view
obj.visibleDevices = null; // An object of visible nodeid's if the user is in paging mode
if (domain.maxdeviceview != null) { obj.deviceLimit = domain.maxdeviceview; }
// Check if we are a cross-domain administrator
if (parent.parent.config.settings.managecrossdomain && (parent.parent.config.settings.managecrossdomain.indexOf(user._id) >= 0)) { obj.crossDomain = true; }
// Server side Intel AMT stack
const WsmanComm = require('./amt/amt-wsman-comm.js');
const Wsman = require('./amt/amt-wsman.js');
const Amt = require('./amt/amt.js');
// If this session has an expire time, setup a timer now.
if ((req.session != null) && (typeof req.session.expire == 'number')) {
var delta = (req.session.expire - Date.now());
if (delta <= 0) { req.session = {}; try { ws.close(); } catch (ex) { } return; } // Session is already expired, close now.
obj.expireTimer = setTimeout(function () { for (var i in req.session) { delete req.session[i]; } obj.close(); }, delta);
}
// Send data through the websocket
obj.send = function (object) { try { ws.send(JSON.stringify(object)); } catch(ex) {} }
// Clean a IPv6 address that encodes a IPv4 address
function cleanRemoteAddr(addr) { if (addr.startsWith('::ffff:')) { return addr.substring(7); } else { return addr; } }
// Send a PING/PONG message
function sendPing() { try { obj.ws.send('{"action":"ping"}'); } catch (ex) { } }
function sendPong() { try { obj.ws.send('{"action":"pong"}'); } catch (ex) { } }
// Setup the agent PING/PONG timers
if ((typeof args.browserping == 'number') && (obj.pingtimer == null)) { obj.pingtimer = setInterval(sendPing, args.browserping * 1000); }
else if ((typeof args.browserpong == 'number') && (obj.pongtimer == null)) { obj.pongtimer = setInterval(sendPong, args.browserpong * 1000); }
// Disconnect this user
obj.close = function (arg) {
obj.ws.xclosed = 1; // This is for testing. Will be displayed when running "usersessions" server console command.
if ((arg == 1) || (arg == null)) { try { obj.ws.close(); parent.parent.debug('user', 'Soft disconnect'); } catch (ex) { console.log(ex); } } // Soft close, close the websocket
if (arg == 2) { try { obj.ws._socket._parent.end(); parent.parent.debug('user', 'Hard disconnect'); } catch (ex) { console.log(ex); } } // Hard close, close the TCP socket
obj.ws.xclosed = 2; // DEBUG
// Perform timer cleanup
if (obj.pingtimer) { clearInterval(obj.pingtimer); delete obj.pingtimer; }
if (obj.pongtimer) { clearInterval(obj.pongtimer); delete obj.pongtimer; }
obj.ws.xclosed = 3; // DEBUG
// Clear expire timeout
if (obj.expireTimer != null) { clearTimeout(obj.expireTimer); delete obj.expireTimer; }
obj.ws.xclosed = 4; // DEBUG
// Perform cleanup
parent.parent.RemoveAllEventDispatch(obj.ws);
if (obj.serverStatsTimer != null) { clearInterval(obj.serverStatsTimer); delete obj.serverStatsTimer; }
if (req.session && req.session.ws && req.session.ws == obj.ws) { delete req.session.ws; }
if (parent.wssessions2[ws.sessionId]) { delete parent.wssessions2[ws.sessionId]; }
obj.ws.xclosed = 5; // DEBUG
if ((obj.user != null) && (parent.wssessions[obj.user._id])) {
obj.ws.xclosed = 6; // DEBUG
var i = parent.wssessions[obj.user._id].indexOf(obj.ws);
if (i >= 0) {
obj.ws.xclosed = 7; // DEBUG
parent.wssessions[obj.user._id].splice(i, 1);
var user = parent.users[obj.user._id];
if (user) {
obj.ws.xclosed = 8; // DEBUG
if (parent.parent.multiServer == null) {
var targets = ['*', 'server-users'];
if (obj.user.groups) { for (var i in obj.user.groups) { targets.push('server-users:' + i); } }
parent.parent.DispatchEvent(targets, obj, { action: 'wssessioncount', userid: user._id, username: user.name, count: parent.wssessions[obj.user._id].length, nolog: 1, domain: domain.id });
} else {
parent.recountSessions(ws.sessionId); // Recount sessions
}
}
if (parent.wssessions[obj.user._id].length == 0) { delete parent.wssessions[obj.user._id]; }
}
}
obj.ws.xclosed = 9; // DEBUG
// If we have peer servers, inform them of the disconnected session
if (parent.parent.multiServer != null) { parent.parent.multiServer.DispatchMessage({ action: 'sessionEnd', sessionid: ws.sessionId }); }
obj.ws.xclosed = 10; // DEBUG
// Update user last access time
if (obj.user != null) {
const timeNow = Math.floor(Date.now() / 1000);
if (obj.user.access < (timeNow - 300)) { // Only update user access time if longer than 5 minutes
obj.user.access = timeNow;
parent.db.SetUser(user);
// Event the change
var message = { etype: 'user', userid: obj.user._id, username: obj.user.name, account: parent.CloneSafeUser(obj.user), action: 'accountchange', domain: domain.id, nolog: 1 };
if (parent.db.changeStream) { message.noact = 1; } // If DB change stream is active, don't use this event to change the user. Another event will come.
var targets = ['*', 'server-users', obj.user._id];
if (obj.user.groups) { for (var i in obj.user.groups) { targets.push('server-users:' + i); } }
parent.parent.DispatchEvent(targets, obj, message);
}
}
// Aggressive cleanup
delete obj.user;
delete obj.domain;
delete obj.ws.userid;
delete obj.ws.domainid;
delete obj.ws.clientIp;
delete obj.ws.sessionId;
delete obj.ws.HandleEvent;
obj.ws.removeAllListeners(['message', 'close', 'error']);
obj.ws.xclosed = 11; // DEBUG
};
// Convert a mesh path array into a real path on the server side
function meshPathToRealPath(meshpath, user) {
if (common.validateArray(meshpath, 1) == false) return null;
var splitid = meshpath[0].split('/');
if (splitid[0] == 'user') {
// Check user access
if (meshpath[0] != user._id) return null; // Only allow own user folder
} else if (splitid[0] == 'mesh') {
// Check mesh access
if ((parent.GetMeshRights(user, meshpath[0]) & MESHRIGHT_SERVERFILES) == 0) return null; // This user must have mesh rights to "server files"
} else return null;
var rootfolder = meshpath[0], rootfoldersplit = rootfolder.split('/'), domainx = 'domain';
if (rootfoldersplit[1].length > 0) domainx = 'domain-' + rootfoldersplit[1];
var path = parent.path.join(parent.filespath, domainx, rootfoldersplit[0] + '-' + rootfoldersplit[2]);
for (var i = 1; i < meshpath.length; i++) { if (common.IsFilenameValid(meshpath[i]) == false) { path = null; break; } path += ("/" + meshpath[i]); }
return path;
}
// Copy a file using the best technique available
function copyFile(src, dest, func, tag) {
if (fs.copyFile) {
// NodeJS v8.5 and higher
fs.copyFile(src, dest, function (err) { func(tag); })
} else {
// Older NodeJS
try {
var ss = fs.createReadStream(src), ds = fs.createWriteStream(dest);
ss.on('error', function () { func(tag); });
ds.on('error', function () { func(tag); });
ss.pipe(ds);
ds.ss = ss;
if (arguments.length == 3 && typeof arguments[2] === 'function') { ds.on('close', arguments[2]); }
else if (arguments.length == 4 && typeof arguments[3] === 'function') { ds.on('close', arguments[3]); }
ds.on('close', function () { func(tag); });
} catch (ex) { }
}
}
// Route a command to a target node
function routeCommandToNode(command, requiredRights, requiredNonRights, func, options) {
if (common.validateString(command.nodeid, 8, 128) == false) { if (func) { func(false); } return false; }
var splitnodeid = command.nodeid.split('/');
// Check that we are in the same domain and the user has rights over this node.
if ((splitnodeid[0] == 'node') && (splitnodeid[1] == domain.id)) {
// See if the node is connected
var agent = parent.wsagents[command.nodeid];
if (agent != null) {
// Check if we have permission to send a message to that node
parent.GetNodeWithRights(domain, user, agent.dbNodeKey, function (node, rights, visible) {
var mesh = parent.meshes[agent.dbMeshKey];
if ((node != null) && (mesh != null) && ((rights & MESHRIGHT_REMOTECONTROL) || (rights & MESHRIGHT_REMOTEVIEWONLY))) { // 8 is remote control permission, 256 is desktop read only
if ((requiredRights != null) && ((rights & requiredRights) == 0)) { if (func) { func(false); return; } } // Check Required Rights
if ((requiredNonRights != null) && (rights != MESHRIGHT_ADMIN) && ((rights & requiredNonRights) != 0)) { if (func) { func(false); return; } } // Check Required None Rights
command.sessionid = ws.sessionId; // Set the session id, required for responses
command.rights = rights; // Add user rights flags to the message
if ((options != null) && (options.removeViewOnlyLimitation === true) && (command.rights != 0xFFFFFFFF) && ((command.rights & 0x100) != 0)) { command.rights -= 0x100; } // Since the multiplexor will enforce view-only, remove MESHRIGHT_REMOTEVIEWONLY
command.consent = 0;
if (typeof domain.userconsentflags == 'number') { command.consent |= domain.userconsentflags; } // Add server required consent flags
if (typeof mesh.consent == 'number') { command.consent |= mesh.consent; } // Add device group user consent
if (typeof node.consent == 'number') { command.consent |= node.consent; } // Add node user consent
if (typeof user.consent == 'number') { command.consent |= user.consent; } // Add user consent
// If desktop is viewonly, add this here.
if ((typeof domain.desktop == 'object') && (domain.desktop.viewonly == true)) { command.desktopviewonly = true; }
// Check if we need to add consent flags because of a user group link
if ((user.links != null) && (user.links[mesh._id] == null) && (user.links[node._id] == null)) {
// This user does not have a direct link to the device group or device. Find all user groups the would cause the link.
for (var i in user.links) {
var ugrp = parent.userGroups[i];
if ((ugrp != null) && (ugrp.consent != null) && (ugrp.links != null) && ((ugrp.links[mesh._id] != null) || (ugrp.links[node._id] != null))) {
command.consent |= ugrp.consent; // Add user group consent flags
}
}
}
command.username = user.name; // Add user name
command.realname = user.realname; // Add real name
command.userid = user._id; // Add user id
command.remoteaddr = req.clientIp; // User's IP address
if (typeof domain.desktopprivacybartext == 'string') { command.privacybartext = domain.desktopprivacybartext; } // Privacy bar text
delete command.nodeid; // Remove the nodeid since it's implied
try { agent.send(JSON.stringify(command)); } catch (ex) { }
} else { if (func) { func(false); } }
});
} else {
// Check if a peer server is connected to this agent
var routing = parent.parent.GetRoutingServerIdNotSelf(command.nodeid, 1); // 1 = MeshAgent routing type
if (routing != null) {
// Check if we have permission to send a message to that node
parent.GetNodeWithRights(domain, user, command.nodeid, function (node, rights, visible) {
if ((requiredRights != null) && ((rights & requiredRights) == 0)) { if (func) { func(false); return; } } // Check Required Rights
if ((requiredNonRights != null) && (rights != MESHRIGHT_ADMIN) && ((rights & requiredNonRights) != 0)) { if (func) { func(false); return; } } // Check Required None Rights
var mesh = parent.meshes[routing.meshid];
if ((node != null) && (mesh != null) && ((rights & MESHRIGHT_REMOTECONTROL) || (rights & MESHRIGHT_REMOTEVIEWONLY))) { // 8 is remote control permission
command.fromSessionid = ws.sessionId; // Set the session id, required for responses
command.rights = rights; // Add user rights flags to the message
if ((options != null) && (options.removeViewOnlyLimitation === true) && (command.rights != 0xFFFFFFFF) && ((command.rights & 0x100) != 0)) { command.rights -= 0x100; } // Since the multiplexor will enforce view-only, remove MESHRIGHT_REMOTEVIEWONLY
command.consent = 0;
if (typeof domain.userconsentflags == 'number') { command.consent |= domain.userconsentflags; } // Add server required consent flags
if (typeof mesh.consent == 'number') { command.consent |= mesh.consent; } // Add device group user consent
if (typeof node.consent == 'number') { command.consent |= node.consent; } // Add node user consent
if (typeof user.consent == 'number') { command.consent |= user.consent; } // Add user consent
// Check if we need to add consent flags because of a user group link
if ((user.links != null) && (user.links[mesh._id] == null) && (user.links[node._id] == null)) {
// This user does not have a direct link to the device group or device. Find all user groups the would cause the link.
for (var i in user.links) {
var ugrp = parent.userGroups[i];
if ((ugrp != null) && (ugrp.consent != null) && (ugrp.links != null) && ((ugrp.links[mesh._id] != null) || (ugrp.links[node._id] != null))) {
command.consent |= ugrp.consent; // Add user group consent flags
}
}
}
command.username = user.name; // Add user name
command.realname = user.realname; // Add real name
command.userid = user._id; // Add user id
command.remoteaddr = req.clientIp; // User's IP address
if (typeof domain.desktopprivacybartext == 'string') { command.privacybartext = domain.desktopprivacybartext; } // Privacy bar text
parent.parent.multiServer.DispatchMessageSingleServer(command, routing.serverid);
} else { if (func) { func(false); } }
});
} else { if (func) { func(false); } return false; }
}
} else { if (func) { func(false); } return false; }
if (func) { func(true); }
return true;
}
// Route a command to all targets in a mesh
function routeCommandToMesh(meshid, command) {
// If we have peer servers, inform them of this command to send to all agents of this device group
if (parent.parent.multiServer != null) { parent.parent.multiServer.DispatchMessage({ action: 'agentMsgByMeshId', meshid: meshid, command: command }); }
// See if the node is connected
for (var nodeid in parent.wsagents) {
var agent = parent.wsagents[nodeid];
if (agent.dbMeshKey == meshid) { try { agent.send(JSON.stringify(command)); } catch (ex) { } }
}
return true;
}
try {
// Check if the user is logged in
if (user == null) { try { ws.close(); } catch (e) { } return; }
// Check if we have exceeded the user session limit
if ((typeof domain.limits.maxusersessions == 'number') || (typeof domain.limits.maxsingleusersessions == 'number')) {
// Count the number of user sessions for this domain
var domainUserSessionCount = 0, selfUserSessionCount = 0;
for (var i in parent.wssessions2) {
if (parent.wssessions2[i].domainid == domain.id) {
domainUserSessionCount++; if (parent.wssessions2[i].userid == user._id) { selfUserSessionCount++; }
}
}
// Check if we have too many user sessions
if (((typeof domain.limits.maxusersessions == 'number') && (domainUserSessionCount >= domain.limits.maxusersessions)) || ((typeof domain.limits.maxsingleusersessions == 'number') && (selfUserSessionCount >= domain.limits.maxsingleusersessions))) {
try { ws.send(JSON.stringify({ action: 'stopped', msg: 'Session count exceed' })); } catch (ex) { }
try { ws.close(); } catch (e) { }
return;
}
}
// Associate this websocket session with the web session
ws.userid = user._id;
ws.domainid = domain.id;
ws.clientIp = req.clientIp;
// Create a new session id for this user.
parent.crypto.randomBytes(20, function (err, randombuf) {
ws.sessionId = user._id + '/' + randombuf.toString('hex');
// Add this web socket session to session list
parent.wssessions2[ws.sessionId] = ws;
if (!parent.wssessions[user._id]) { parent.wssessions[user._id] = [ws]; } else { parent.wssessions[user._id].push(ws); }
if (parent.parent.multiServer == null) {
var targets = ['*', 'server-users'];
if (obj.user.groups) { for (var i in obj.user.groups) { targets.push('server-users:' + i); } }
parent.parent.DispatchEvent(targets, obj, { action: 'wssessioncount', userid: user._id, username: user.name, count: parent.wssessions[user._id].length, nolog: 1, domain: domain.id });
} else {
parent.recountSessions(ws.sessionId); // Recount sessions
}
// If we have peer servers, inform them of the new session
if (parent.parent.multiServer != null) { parent.parent.multiServer.DispatchMessage({ action: 'sessionStart', sessionid: ws.sessionId }); }
// Handle events
ws.HandleEvent = function (source, event, ids, id) {
// If this session is logged in using a loginToken and the token is removed, disconnect.
if ((req.session.loginToken != null) && (typeof event == 'object') && (event.action == 'loginTokenChanged') && (event.removed != null) && (event.removed.indexOf(req.session.loginToken) >= 0)) { delete req.session; obj.close(); return; }
// If this user is not viewing all devices and paging, check if this event is in the current page
if (isEventWithinPage(ids) == false) return;
// Normally, only allow this user to receive messages from it's own domain.
// If the user is a cross domain administrator, allow some select messages from different domains.
if ((event.domain == null) || (event.domain == domain.id) || ((obj.crossDomain === true) && (allowedCrossDomainMessages.indexOf(event.action) >= 0))) {
try {
if (event == 'close') { try { delete req.session; } catch (ex) { } obj.close(); return; }
else if (event == 'resubscribe') { user.subscriptions = parent.subscribe(user._id, ws); }
else if (event == 'updatefiles') { updateUserFiles(user, ws, domain); }
else {
// If updating guest device shares, if we are updating a user that is not creator of the share, remove the URL.
if (((event.action == 'deviceShareUpdate') && (Array.isArray(event.deviceShares))) || ((event.action == 'changenode') && (event.node != null) && ((event.node.rdp != null) || (event.node.ssh != null)))) {
event = common.Clone(event);
if ((event.action == 'deviceShareUpdate') && (Array.isArray(event.deviceShares))) {
for (var i in event.deviceShares) { if (event.deviceShares[i].userid != user._id) { delete event.deviceShares[i].url; } }
}
if ((event.action == 'changenode') && (event.node != null) && ((event.node.rdp != null) || (event.node.ssh != null))) {
// Clean up RDP & SSH credentials
if ((event.node.rdp != null) && (typeof event.node.rdp[user._id] == 'number')) { event.node.rdp = event.node.rdp[user._id]; } else { delete event.node.rdp; }
if ((event.node.ssh != null) && (typeof event.node.ssh[user._id] == 'number')) { event.node.ssh = event.node.ssh[user._id]; } else { delete event.node.ssh; }
}
}
// This is a MeshCentral Satellite message
if (event.action == 'satellite') { if ((obj.ws.satelliteFlags & event.satelliteFlags) != 0) { try { ws.send(JSON.stringify(event)); } catch (ex) { } return; } }
// Because of the device group "Show Self Events Only", we need to do more checks here.
if (id.startsWith('mesh/')) {
// Check if we have rights to get this message. If we have limited events on this mesh, don't send the event to the user.
var meshrights = parent.GetMeshRights(user, id);
if ((meshrights === MESHRIGHT_ADMIN) || ((meshrights & MESHRIGHT_LIMITEVENTS) == 0) || (ids.indexOf(user._id) >= 0)) {
// We have the device group rights to see this event or we are directly targetted by the event
try { ws.send(JSON.stringify({ action: 'event', event: event })); } catch (ex) { }
} else {
// Check if no other users are targeted by the event, if not, we can get this event.
var userTarget = false;
for (var i in ids) { if (ids[i].startsWith('user/')) { userTarget = true; } }
if (userTarget == false) { ws.send(JSON.stringify({ action: 'event', event: event })); }
}
} else if (event.ugrpid != null) {
if ((user.siteadmin & SITERIGHT_USERGROUPS) != 0) {
// If we have the rights to see users in a group, send the group as is.
try { ws.send(JSON.stringify({ action: 'event', event: event })); } catch (ex) { }
} else {
// We don't have the rights to see otehr users in the user group, remove the links that are not for ourselves.
var links = {};
if (event.links) { for (var i in event.links) { if ((i == user._id) || i.startsWith('mesh/') || i.startsWith('node/')) { links[i] = event.links[i]; } } }
try { ws.send(JSON.stringify({ action: 'event', event: { ugrpid: event.ugrpid, domain: event.domain, time: event.time, name: event.name, action: event.action, username: event.username, links: links, h: event.h } })); } catch (ex) { }
}
} else {
// This is not a device group event, we can get this event.
try { ws.send(JSON.stringify({ action: 'event', event: event })); } catch (ex) { }
}
}
} catch (ex) { console.log(ex); }
}
};
user.subscriptions = parent.subscribe(user._id, ws); // Subscribe to events
try { ws._socket.setKeepAlive(true, 240000); } catch (ex) { } // Set TCP keep alive
// Send current server statistics
obj.SendServerStats = function () {
// Take a look at server stats
var os = require('os');
var stats = { action: 'serverstats', totalmem: os.totalmem(), freemem: os.freemem() };
try { stats.cpuavg = os.loadavg(); } catch (ex) { }
if (parent.parent.platform != 'win32') {
try { stats.availablemem = 1024 * Number(/MemAvailable:[ ]+(\d+)/.exec(fs.readFileSync('/proc/meminfo', 'utf8'))[1]); } catch (ex) { }
}
// Count the number of device groups that are not deleted
var activeDeviceGroups = 0;
for (var i in parent.meshes) { if (parent.meshes[i].deleted == null) { activeDeviceGroups++; } } // This is not ideal for performance, we want to dome something better.
var serverStats = {
UserAccounts: Object.keys(parent.users).length,
DeviceGroups: activeDeviceGroups,
AgentSessions: Object.keys(parent.wsagents).length,
ConnectedUsers: Object.keys(parent.wssessions).length,
UsersSessions: Object.keys(parent.wssessions2).length,
RelaySessions: parent.relaySessionCount,
RelayCount: Object.keys(parent.wsrelays).length
};
if (parent.relaySessionErrorCount != 0) { serverStats.RelayErrors = parent.relaySessionErrorCount; }
if (parent.parent.mpsserver != null) {
serverStats.ConnectedIntelAMT = 0;
for (var i in parent.parent.mpsserver.ciraConnections) { serverStats.ConnectedIntelAMT += parent.parent.mpsserver.ciraConnections[i].length; }
}
// Take a look at agent errors
var agentstats = parent.getAgentStats();
var errorCounters = {}, errorCountersCount = 0;
if (agentstats.meshDoesNotExistCount > 0) { errorCountersCount++; errorCounters.UnknownGroup = agentstats.meshDoesNotExistCount; }
if (agentstats.invalidPkcsSignatureCount > 0) { errorCountersCount++; errorCounters.InvalidPKCSsignature = agentstats.invalidPkcsSignatureCount; }
if (agentstats.invalidRsaSignatureCount > 0) { errorCountersCount++; errorCounters.InvalidRSAsignature = agentstats.invalidRsaSignatureCount; }
if (agentstats.invalidJsonCount > 0) { errorCountersCount++; errorCounters.InvalidJSON = agentstats.invalidJsonCount; }
if (agentstats.unknownAgentActionCount > 0) { errorCountersCount++; errorCounters.UnknownAction = agentstats.unknownAgentActionCount; }
if (agentstats.agentBadWebCertHashCount > 0) { errorCountersCount++; errorCounters.BadWebCertificate = agentstats.agentBadWebCertHashCount; }
if ((agentstats.agentBadSignature1Count + agentstats.agentBadSignature2Count) > 0) { errorCountersCount++; errorCounters.BadSignature = (agentstats.agentBadSignature1Count + agentstats.agentBadSignature2Count); }
if (agentstats.agentMaxSessionHoldCount > 0) { errorCountersCount++; errorCounters.MaxSessionsReached = agentstats.agentMaxSessionHoldCount; }
if ((agentstats.invalidDomainMeshCount + agentstats.invalidDomainMesh2Count) > 0) { errorCountersCount++; errorCounters.UnknownDeviceGroup = (agentstats.invalidDomainMeshCount + agentstats.invalidDomainMesh2Count); }
if ((agentstats.invalidMeshTypeCount + agentstats.invalidMeshType2Count) > 0) { errorCountersCount++; errorCounters.InvalidDeviceGroupType = (agentstats.invalidMeshTypeCount + agentstats.invalidMeshType2Count); }
//if (agentstats.duplicateAgentCount > 0) { errorCountersCount++; errorCounters.DuplicateAgent = agentstats.duplicateAgentCount; }
// Send out the stats
stats.values = { ServerState: serverStats }
if (errorCountersCount > 0) { stats.values.AgentErrorCounters = errorCounters; }
try { ws.send(JSON.stringify(stats)); } catch (ex) { }
}
// When data is received from the web socket
ws.on('message', processWebSocketData);
// If error, do nothing
ws.on('error', function (err) { console.log(err); obj.close(0); });
// If the web socket is closed
ws.on('close', function (req) { obj.close(0); });
// Figure out the MPS port, use the alias if set
var mpsport = ((args.mpsaliasport != null) ? args.mpsaliasport : args.mpsport);
var httpport = ((args.aliasport != null) ? args.aliasport : args.port);
// Build server information object
const allFeatures = parent.getDomainUserFeatures(domain, user, req);
var serverinfo = { domain: domain.id, name: domain.dns ? domain.dns : parent.certificates.CommonName, mpsname: parent.certificates.AmtMpsName, mpsport: mpsport, mpspass: args.mpspass, port: httpport, emailcheck: ((domain.mailserver != null) && (domain.auth != 'sspi') && (domain.auth != 'ldap') && (args.lanonly != true) && (parent.certificates.CommonName != null) && (parent.certificates.CommonName.indexOf('.') != -1) && (user._id.split('/')[2].startsWith('~') == false)), domainauth: (domain.auth == 'sspi'), serverTime: Date.now(), features: allFeatures.features, features2: allFeatures.features2 };
serverinfo.languages = parent.renderLanguages;
serverinfo.tlshash = Buffer.from(parent.webCertificateFullHashs[domain.id], 'binary').toString('hex').toUpperCase(); // SHA384 of server HTTPS certificate
serverinfo.agentCertHash = parent.agentCertificateHashBase64;
if (typeof domain.sessionrecording == 'object') {
if (domain.sessionrecording.onlyselectedusers === true) { serverinfo.usersSessionRecording = 1; } // Allow enabling of session recording for users
if (domain.sessionrecording.onlyselectedusergroups === true) { serverinfo.userGroupsSessionRecording = 1; } // Allow enabling of session recording for user groups
if (domain.sessionrecording.onlyselecteddevicegroups === true) { serverinfo.devGroupSessionRecording = 1; } // Allow enabling of session recording for device groups
}
if ((parent.parent.config.domains[domain.id].amtacmactivation != null) && (parent.parent.config.domains[domain.id].amtacmactivation.acmmatch != null)) {
var matchingDomains = [];
for (var i in parent.parent.config.domains[domain.id].amtacmactivation.acmmatch) {
var cn = parent.parent.config.domains[domain.id].amtacmactivation.acmmatch[i].cn;
if ((cn != '*') && (matchingDomains.indexOf(cn) == -1)) { matchingDomains.push(cn); }
}
if (matchingDomains.length > 0) { serverinfo.amtAcmFqdn = matchingDomains; }
}
if (typeof domain.devicemeshrouterlinks == 'object') { serverinfo.devicemeshrouterlinks = domain.devicemeshrouterlinks; }
if ((typeof domain.altmessenging == 'object') && (typeof domain.altmessenging.name == 'string') && (typeof domain.altmessenging.url == 'string')) { serverinfo.altmessenging = [{ name: domain.altmessenging.name, url: domain.altmessenging.url, localurl: domain.altmessenging.localurl, type: domain.altmessenging.type }]; }
if (Array.isArray(domain.altmessenging)) { serverinfo.altmessenging = []; for (var i in domain.altmessenging) { if ((typeof domain.altmessenging[i] == 'object') && (typeof domain.altmessenging[i].name == 'string') && (typeof domain.altmessenging[i].url == 'string')) { serverinfo.altmessenging.push({ name: domain.altmessenging[i].name, url: domain.altmessenging[i].url, type: domain.altmessenging[i].type }); } } }
serverinfo.https = true;
serverinfo.redirport = args.redirport;
if (parent.parent.webpush != null) { serverinfo.vapidpublickey = parent.parent.webpush.vapidPublicKey; } // Web push public key
if (parent.parent.amtProvisioningServer != null) { serverinfo.amtProvServerMeshId = parent.parent.amtProvisioningServer.meshid; } // Device group that allows for bare-metal Intel AMT activation
if ((typeof domain.autoremoveinactivedevices == 'number') && (domain.autoremoveinactivedevices > 0)) { serverinfo.autoremoveinactivedevices = domain.autoremoveinactivedevices; } // Default number of days before inactive devices are removed
if (domain.passwordrequirements) {
if (domain.passwordrequirements.lock2factor == true) { serverinfo.lock2factor = true; } // Indicate 2FA change are not allowed
if (typeof domain.passwordrequirements.maxfidokeys == 'number') { serverinfo.maxfidokeys = domain.passwordrequirements.maxfidokeys; }
}
if (parent.parent.msgserver != null) { // Setup messaging providers information
serverinfo.userMsgProviders = parent.parent.msgserver.providers;
if (parent.parent.msgserver.discordUrl != null) { serverinfo.discordUrl = parent.parent.msgserver.discordUrl; }
}
if ((typeof parent.parent.config.messaging == 'object') && (typeof parent.parent.config.messaging.ntfy == 'object') && (typeof parent.parent.config.messaging.ntfy.userurl == 'string')) { // nfty user url
serverinfo.userMsgNftyUrl = parent.parent.config.messaging.ntfy.userurl;
}
// Build the mobile agent URL, this is used to connect mobile devices
var agentServerName = parent.getWebServerName(domain, req);
if (typeof parent.args.agentaliasdns == 'string') { agentServerName = parent.args.agentaliasdns; }
var xdomain = (domain.dns == null) ? domain.id : '';
var agentHttpsPort = ((parent.args.aliasport == null) ? parent.args.port : parent.args.aliasport); // Use HTTPS alias port is specified
if (parent.args.agentport != null) { agentHttpsPort = parent.args.agentport; } // If an agent only port is enabled, use that.
if (parent.args.agentaliasport != null) { agentHttpsPort = parent.args.agentaliasport; } // If an agent alias port is specified, use that.
serverinfo.magenturl = 'mc://' + agentServerName + ((agentHttpsPort != 443) ? (':' + agentHttpsPort) : '') + ((xdomain != '') ? ('/' + xdomain) : '');
serverinfo.domainsuffix = xdomain;
if (domain.guestdevicesharing === false) { serverinfo.guestdevicesharing = false; } else {
if (typeof domain.guestdevicesharing == 'object') {
if (typeof domain.guestdevicesharing.maxsessiontime == 'number') { serverinfo.guestdevicesharingmaxtime = domain.guestdevicesharing.maxsessiontime; }
}
}
if (typeof domain.userconsentflags == 'number') { serverinfo.consent = domain.userconsentflags; }
if ((typeof domain.usersessionidletimeout == 'number') && (domain.usersessionidletimeout > 0)) { serverinfo.timeout = (domain.usersessionidletimeout * 60 * 1000); }
if (user.siteadmin === SITERIGHT_ADMIN) {
if (parent.parent.config.settings.managealldevicegroups.indexOf(user._id) >= 0) { serverinfo.manageAllDeviceGroups = true; }
if (obj.crossDomain === true) { serverinfo.crossDomain = []; for (var i in parent.parent.config.domains) { serverinfo.crossDomain.push(i); } }
if (typeof parent.webCertificateExpire[domain.id] == 'number') { serverinfo.certExpire = parent.webCertificateExpire[domain.id]; }
}
if (typeof domain.terminal == 'object') { // Settings used for remote terminal feature
if ((typeof domain.terminal.linuxshell == 'string') && (domain.terminal.linuxshell != 'any')) { serverinfo.linuxshell = domain.terminal.linuxshell; }
}
if (Array.isArray(domain.preconfiguredremoteinput)) { serverinfo.preConfiguredRemoteInput = domain.preconfiguredremoteinput; }
if (Array.isArray(domain.preconfiguredscripts)) {
const r = [];
for (var i in domain.preconfiguredscripts) {
const types = ['', 'bat', 'ps1', 'sh', 'agent']; // 1 = Windows Command, 2 = Windows PowerShell, 3 = Linux, 4 = Agent
const script = domain.preconfiguredscripts[i];
if ((typeof script.name == 'string') && (script.name.length <= 32) && (typeof script.type == 'string') && ((typeof script.file == 'string') || (typeof script.cmd == 'string'))) {
const s = { name: script.name, type: types.indexOf(script.type.toLowerCase()) };
if (s.type > 0) { r.push(s); }
}
}
serverinfo.preConfiguredScripts = r;
}
if (domain.maxdeviceview != null) { serverinfo.maxdeviceview = domain.maxdeviceview; } // Maximum number of devices a user can view at any given time
// Send server information
try { ws.send(JSON.stringify({ action: 'serverinfo', serverinfo: serverinfo })); } catch (ex) { }
// Send user information to web socket, this is the first thing we send
try { ws.send(JSON.stringify({ action: 'userinfo', userinfo: parent.CloneSafeUser(parent.users[user._id]) })); } catch (ex) { }
if (user.siteadmin === SITERIGHT_ADMIN) {
// Check if tracing is allowed for this domain
if ((domain.myserver !== false) && ((domain.myserver == null) || (domain.myserver.trace === true))) {
// Send server tracing information
try { ws.send(JSON.stringify({ action: 'traceinfo', traceSources: parent.parent.debugRemoteSources })); } catch (ex) { }
}
// Send any server warnings if any
var serverWarnings = parent.parent.getServerWarnings();
if (serverWarnings.length > 0) { try { ws.send(JSON.stringify({ action: 'serverwarnings', warnings: serverWarnings })); } catch (ex) { } }
}
// See how many times bad login attempts where made since the last login
const lastLoginTime = parent.users[user._id].pastlogin;
if (lastLoginTime != null) {
db.GetFailedLoginCount(user._id, user.domain, new Date(lastLoginTime * 1000), function (count) {
if (count > 0) { try { ws.send(JSON.stringify({ action: 'msg', type: 'notify', title: "Security Warning", tag: 'ServerNotify', id: Math.random(), value: "There has been " + count + " failed login attempts on this account since the last login.", titleid: 3, msgid: 12, args: [count] })); } catch (ex) { } delete user.pastlogin; }
});
}
// If we are site administrator and Google Drive backup is setup, send out the status.
if ((user.siteadmin === SITERIGHT_ADMIN) && (domain.id == '') && (typeof parent.parent.config.settings.autobackup == 'object') && (typeof parent.parent.config.settings.autobackup.googledrive == 'object')) {
db.Get('GoogleDriveBackup', function (err, docs) {
if (err != null) return;
if (docs.length == 0) { try { ws.send(JSON.stringify({ action: 'serverBackup', service: 'googleDrive', state: 1 })); } catch (ex) { } }
else { try { ws.send(JSON.stringify({ action: 'serverBackup', service: 'googleDrive', state: docs[0].state })); } catch (ex) { } }
});
}
// We are all set, start receiving data
ws._socket.resume();
if (parent.parent.pluginHandler != null) parent.parent.pluginHandler.callHook('hook_userLoggedIn', user);
});
} catch (ex) { console.log(ex); }
// Process incoming web socket data from the browser
function processWebSocketData(msg) {
var command, i = 0, mesh = null, meshid = null, nodeid = null, meshlinks = null, change = 0;
try { command = JSON.parse(msg.toString('utf8')); } catch (e) { return; }
if (common.validateString(command.action, 3, 32) == false) return; // Action must be a string between 3 and 32 chars
var commandHandler = serverCommands[command.action];
if (commandHandler != null) {
try { commandHandler(command); return; }
catch (e) {
console.log('Unhandled error while processing ' + command.action + ' for user ' + user.name + ':\n' + e);
parent.parent.logError(e.stack); return; // todo: remove returns when switch is gone
}
} else { }
// console.log('Unknown action from user ' + user.name + ': ' + command.action + '.');
// pass through to switch statement until refactoring complete
switch (command.action) {
case 'nodes':
{
// If in paging mode, look to set the skip and limit values
if (domain.maxdeviceview != null) {
if ((typeof command.skip == 'number') && (command.skip >= 0)) { obj.deviceSkip = command.skip; }
if ((typeof command.limit == 'number') && (command.limit > 0)) { obj.deviceLimit = command.limit; }
if (obj.deviceLimit > domain.maxdeviceview) { obj.deviceLimit = domain.maxdeviceview; }
}
var links = [], extraids = null, err = null;
// Resolve the device group name if needed
if ((typeof command.meshname == 'string') && (command.meshid == null)) {
for (var i in parent.meshes) {
var m = parent.meshes[i];
if ((m.mtype == 2) && (m.name == command.meshname) && parent.IsMeshViewable(user, m)) {
if (command.meshid == null) { command.meshid = m._id; } else { err = 'Duplicate device groups found'; }
}
}
if (command.meshid == null) { err = 'Invalid group id'; }
}
if (err == null) {
try {
if (command.meshid == null) {
// Request a list of all meshes this user as rights to
links = parent.GetAllMeshIdWithRights(user);
// Add any nodes with direct rights or any nodes with user group direct rights
extraids = getUserExtraIds();
} else {
// Request list of all nodes for one specific meshid
meshid = command.meshid;
if (common.validateString(meshid, 0, 128) == false) { err = 'Invalid group id'; } else {
if (meshid.split('/').length == 1) { meshid = 'mesh/' + domain.id + '/' + command.meshid; }
if (parent.IsMeshViewable(user, meshid)) { links.push(meshid); } else { err = 'Invalid group id'; }
}
}
} catch (ex) { err = 'Validation exception: ' + ex; }
}
// Handle any errors
if (err != null) {
if (command.responseid != null) { try { ws.send(JSON.stringify({ action: 'nodes', responseid: command.responseid, result: err })); } catch (ex) { } }
break;
}
// Request a list of all nodes
db.GetAllTypeNoTypeFieldMeshFiltered(links, extraids, domain.id, 'node', command.id, obj.deviceSkip, obj.deviceLimit, function (err, docs) {
//console.log(err, docs, links, extraids, domain.id, 'node', command.id);
if (docs == null) { docs = []; }
parent.common.unEscapeAllLinksFieldName(docs);
var r = {}, nodeCount = docs.length;
if (domain.maxdeviceview != null) { obj.visibleDevices = {}; }
for (i in docs) {
// Check device links, if a link points to an unknown user, remove it.
parent.cleanDevice(docs[i]); // TODO: This will make the total device count incorrect and will affect device paging.
// If we are paging, add the device to the page here
if (domain.maxdeviceview != null) { obj.visibleDevices[docs[i]._id] = 1; }
// Remove any connectivity and power state information, that should not be in the database anyway.
// TODO: Find why these are sometimes saved in the db.
if (docs[i].conn != null) { delete docs[i].conn; }
if (docs[i].pwr != null) { delete docs[i].pwr; }
if (docs[i].agct != null) { delete docs[i].agct; }
if (docs[i].cict != null) { delete docs[i].cict; }
// Add the connection state
var state = parent.parent.GetConnectivityState(docs[i]._id);
if (state) {
docs[i].conn = state.connectivity;
docs[i].pwr = state.powerState;
if ((state.connectivity & 1) != 0) { var agent = parent.wsagents[docs[i]._id]; if (agent != null) { docs[i].agct = agent.connectTime; } }
// Use the connection time of the CIRA/Relay connection
if ((state.connectivity & 2) != 0) {
var ciraConnection = parent.parent.mpsserver.GetConnectionToNode(docs[i]._id, null, true);
if ((ciraConnection != null) && (ciraConnection.tag != null)) { docs[i].cict = ciraConnection.tag.connectTime; }
}
}
// Compress the meshid's
meshid = docs[i].meshid;
if (!r[meshid]) { r[meshid] = []; }
delete docs[i].meshid;
// Remove push messaging token if present
if (docs[i].pmt != null) { docs[i].pmt = 1; }
// Remove SSH credentials if present
if (docs[i].ssh != null) {
if ((docs[i].ssh[user._id] != null) && (docs[i].ssh[user._id].u)) {
if (docs[i].ssh.k && docs[i].ssh[user._id].kp) { docs[i].ssh = 2; } // Username, key and password
else if (docs[i].ssh[user._id].k) { docs[i].ssh = 3; } // Username and key. No password.
else if (docs[i].ssh[user._id].p) { docs[i].ssh = 1; } // Username and password
else { delete docs[i].ssh; }
} else {
delete docs[i].ssh;
}
}
// Remove RDP credentials if present, only set to 1 if our userid has RDP credentials
if ((docs[i].rdp != null) && (docs[i].rdp[user._id] != null)) { docs[i].rdp = 1; } else { delete docs[i].rdp; }
// Remove Intel AMT credential if present
if (docs[i].intelamt != null) {
if (docs[i].intelamt.pass != null) { docs[i].intelamt.pass = 1; }
if (docs[i].intelamt.mpspass != null) { docs[i].intelamt.mpspass = 1; }
}
// If GeoLocation not enabled, remove any node location information
if (domain.geolocation != true) {
if (docs[i].iploc != null) { delete docs[i].iploc; }
if (docs[i].wifiloc != null) { delete docs[i].wifiloc; }
if (docs[i].gpsloc != null) { delete docs[i].gpsloc; }
if (docs[i].userloc != null) { delete docs[i].userloc; }
}
// Add device sessions
const xagent = parent.wsagents[docs[i]._id];
if ((xagent != null) && (xagent.sessions != null)) { docs[i].sessions = xagent.sessions; }
// Add IP-KVM sessions
if (parent.parent.ipKvmManager != null) {
const xipkvmport = parent.parent.ipKvmManager.managedPorts[docs[i]._id];
if ((xipkvmport != null) && (xipkvmport.sessions != null)) { docs[i].sessions = xipkvmport.sessions; }
}
// Patch node links with names, like meshes links with names
for (var a in docs[i].links) {
if (!docs[i].links[a].name) {
if (parent.users[a] && parent.users[a].realname) { docs[i].links[a].name = parent.users[a].realname; }
else if (parent.users[a] && parent.users[a].name) { docs[i].links[a].name = parent.users[a].name; }
}
}
r[meshid].push(docs[i]);
}
const response = { action: 'nodes', responseid: command.responseid, nodes: r, tag: command.tag };
if (domain.maxdeviceview != null) {
// If in paging mode, report back the skip and limit values
response.skip = obj.deviceSkip;
response.limit = obj.deviceLimit;
// Add total device count
// Only set response.totalcount if we need to be in paging mode
if (nodeCount < response.limit) {
if (obj.deviceSkip > 0) { response.totalcount = obj.deviceSkip + nodeCount; } else { obj.visibleDevices = null; }
try { ws.send(JSON.stringify(response)); } catch (ex) { }
} else {
// Ask the database for the total device count
if (db.CountAllTypeNoTypeFieldMeshFiltered) {
db.CountAllTypeNoTypeFieldMeshFiltered(links, extraids, domain.id, 'node', command.id, function (err, count) {
if ((err != null) || (typeof count != 'number') || ((obj.deviceSkip == 0) && (count < obj.deviceLimit))) {
obj.visibleDevices = null;
} else {
response.totalcount = count;
}
try { ws.send(JSON.stringify(response)); } catch (ex) { }
});
} else {
// The database does not support device counting
obj.visibleDevices = null; // We are not in paging mode
try { ws.send(JSON.stringify(response)); } catch (ex) { }
}
}
} else {
obj.visibleDevices = null; // We are not in paging mode
try { ws.send(JSON.stringify(response)); } catch (ex) { }
}
});
break;
}
case 'fileoperation':
{
// Check permissions
if ((user.siteadmin & 8) != 0) {
// Perform a file operation (Create Folder, Delete Folder, Delete File...)
if (common.validateString(command.fileop, 3, 16) == false) return;
var sendUpdate = true, path = meshPathToRealPath(command.path, user); // This will also check access rights
if (path == null) break;
if ((command.fileop == 'createfolder') && (common.IsFilenameValid(command.newfolder) == true)) {
// Create a new folder
try { fs.mkdirSync(parent.path.join(path, command.newfolder)); } catch (ex) {
try { fs.mkdirSync(path); } catch (ex) { }
try { fs.mkdirSync(parent.path.join(path, command.newfolder)); } catch (ex) { }
}
}
else if (command.fileop == 'delete') {
// Delete a file
if (common.validateArray(command.delfiles, 1) == false) return;
for (i in command.delfiles) {
if (common.IsFilenameValid(command.delfiles[i]) == true) {
var fullpath = parent.path.join(path, command.delfiles[i]);
if (command.rec == true) {
try { deleteFolderRecursive(fullpath); } catch (ex) { } // TODO, make this an async function
} else {
try { fs.rmdirSync(fullpath); } catch (ex) { try { fs.unlinkSync(fullpath); } catch (xe) { } }
}
}
}
// If we deleted something in the mesh root folder and the entire mesh folder is empty, remove it.
if (command.path.length == 1) {
try {
if (command.path[0].startsWith('mesh//')) {
path = meshPathToRealPath([command.path[0]], user);
fs.readdir(path, function (err, dir) { if ((err == null) && (dir.length == 0)) { fs.rmdir(path, function (err) { }); } });
}
} catch (ex) { }
}
}
else if ((command.fileop == 'rename') && (common.IsFilenameValid(command.oldname) === true) && (common.IsFilenameValid(command.newname) === true)) {
// Rename
try { fs.renameSync(parent.path.join(path, command.oldname), parent.path.join(path, command.newname)); } catch (e) { }
}
else if ((command.fileop == 'copy') || (command.fileop == 'move')) {
// Copy or move of one or many files
if (common.validateArray(command.names, 1) == false) return;
var scpath = meshPathToRealPath(command.scpath, user); // This will also check access rights
if (scpath == null) break;
// TODO: Check quota if this is a copy
for (i in command.names) {
if (common.IsFilenameValid(command.names[i]) === true) {
var s = parent.path.join(scpath, command.names[i]), d = parent.path.join(path, command.names[i]);
sendUpdate = false;
try { fs.mkdirSync(path); } catch (ex) { } // try to create folder first incase folder is missing
copyFile(s, d, function (op) { if (op != null) { fs.unlink(op, function (err) { parent.parent.DispatchEvent([user._id], obj, 'updatefiles'); }); } else { parent.parent.DispatchEvent([user._id], obj, 'updatefiles'); } }, ((command.fileop == 'move') ? s : null));
}
}
} else if (command.fileop == 'get') {
// Get a short file and send it back on the web socket
if (common.validateString(command.file, 1, 4096) == false) return;
const scpath = meshPathToRealPath(command.path, user); // This will also check access rights
if (scpath == null) break;
const filePath = parent.path.join(scpath, command.file);
fs.stat(filePath, function (err, stat) {
if ((err != null) || (stat == null) || (stat.size >= 204800)) return;
fs.readFile(filePath, function (err, data) {
if ((err != null) || (data == null)) return;
command.data = data.toString('base64');
ws.send(JSON.stringify(command)); // Send the file data back, base64 encoded.
});
});
} else if (command.fileop == 'set') {
// Set a short file transfered on the web socket
if (common.validateString(command.file, 1, 4096) == false) return;
if (typeof command.data != 'string') return;
const scpath = meshPathToRealPath(command.path, user); // This will also check access rights
if (scpath == null) break;
const filePath = parent.path.join(scpath, command.file);
var data = null;
try { data = Buffer.from(command.data, 'base64'); } catch (ex) { return; }
fs.writeFile(filePath, data, function (err) { if (err == null) { parent.parent.DispatchEvent([user._id], obj, 'updatefiles'); } });
}
if (sendUpdate == true) { parent.parent.DispatchEvent([user._id], obj, 'updatefiles'); } // Fire an event causing this user to update this files
}
break;
}
case 'msg':
{
// Check the nodeid
if (common.validateString(command.nodeid, 1, 1024) == false) {
if (command.responseid != null) { try { ws.send(JSON.stringify({ action: 'msg', result: 'Unable to route', tag: command.tag, responseid: command.responseid })); } catch (ex) { } }
return;
}
// Rights check
var requiredRights = null, requiredNonRights = null, routingOptions = null;
// Complete the nodeid if needed
if (command.nodeid.indexOf('/') == -1) { command.nodeid = 'node/' + domain.id + '/' + command.nodeid; }
// Check if getting / setting clipboard data is allowed
if ((command.type == 'getclip') && (domain.clipboardget == false)) { console.log('CG-EXIT'); break; }
if ((command.type == 'setclip') && (domain.clipboardset == false)) { console.log('CS-EXIT'); break; }
// Before routing this command, let's do some security checking.
// If this is a tunnel request, we need to make sure the NodeID in the URL matches the NodeID in the command.
if (command.type == 'tunnel') {
if ((typeof command.value != 'string') || (typeof command.nodeid != 'string')) break;
var url = null;
try { url = require('url').parse(command.value, true); } catch (ex) { }
if (url == null) break; // Bad URL
if (url.query && url.query.nodeid && (url.query.nodeid != command.nodeid)) break; // Bad NodeID in URL query string
// Check rights
if (url.query.p == '1') { requiredNonRights = MESHRIGHT_NOTERMINAL; }
else if ((url.query.p == '4') || (url.query.p == '5')) { requiredNonRights = MESHRIGHT_NOFILES; }
// If we are using the desktop multiplexor, remove the VIEWONLY limitation. The multiplexor will take care of enforcing that limitation when needed.
if (((parent.parent.config.settings.desktopmultiplex === true) || (domain.desktopmultiplex === true)) && (url.query.p == '2')) { routingOptions = { removeViewOnlyLimitation: true }; }
// Add server TLS cert hash
var tlsCertHash = null;
if ((parent.parent.args.ignoreagenthashcheck == null) || (parent.parent.args.ignoreagenthashcheck === false)) { // TODO: If ignoreagenthashcheck is an array of IP addresses, not sure how to handle this.
tlsCertHash = parent.webCertificateFullHashs[domain.id];
if (tlsCertHash != null) { command.servertlshash = Buffer.from(tlsCertHash, 'binary').toString('hex'); }
}
// Add user consent messages
command.soptions = {};
if (typeof domain.consentmessages == 'object') {
if (typeof domain.consentmessages.title == 'string') { command.soptions.consentTitle = domain.consentmessages.title; }
if (typeof domain.consentmessages.desktop == 'string') { command.soptions.consentMsgDesktop = domain.consentmessages.desktop; }
if (typeof domain.consentmessages.terminal == 'string') { command.soptions.consentMsgTerminal = domain.consentmessages.terminal; }
if (typeof domain.consentmessages.files == 'string') { command.soptions.consentMsgFiles = domain.consentmessages.files; }
if ((typeof domain.consentmessages.consenttimeout == 'number') && (domain.consentmessages.consenttimeout > 0)) { command.soptions.consentTimeout = domain.consentmessages.consenttimeout; }
if (domain.consentmessages.autoacceptontimeout === true) { command.soptions.consentAutoAccept = true; }
if (domain.consentmessages.oldstyle === true) { command.soptions.oldStyle = true; }