-
Notifications
You must be signed in to change notification settings - Fork 533
/
db.js
3936 lines (3696 loc) · 272 KB
/
db.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 database module
* @author Ylian Saint-Hilaire
* @copyright Intel Corporation 2018-2022
* @license Apache-2.0
* @version v0.0.2
*/
/*xjslint node: true */
/*xjslint plusplus: true */
/*xjslint maxlen: 256 */
/*jshint node: true */
/*jshint strict: false */
/*jshint esversion: 6 */
"use strict";
//
// Construct Meshcentral database object
//
// The default database is NeDB
// https://github.com/louischatriot/nedb
//
// Alternativety, MongoDB can be used
// https://www.mongodb.com/
// Just run with --mongodb [connectionstring], where the connection string is documented here: https://docs.mongodb.com/manual/reference/connection-string/
// The default collection is "meshcentral", but you can override it using --mongodbcol [collection]
//
module.exports.CreateDB = function (parent, func) {
var obj = {};
var Datastore = null;
var expireEventsSeconds = (60 * 60 * 24 * 20); // By default, expire events after 20 days (1728000). (Seconds * Minutes * Hours * Days)
var expirePowerEventsSeconds = (60 * 60 * 24 * 10); // By default, expire power events after 10 days (864000). (Seconds * Minutes * Hours * Days)
var expireServerStatsSeconds = (60 * 60 * 24 * 30); // By default, expire power events after 30 days (2592000). (Seconds * Minutes * Hours * Days)
const common = require('./common.js');
obj.identifier = null;
obj.dbKey = null;
obj.dbRecordsEncryptKey = null;
obj.dbRecordsDecryptKey = null;
obj.changeStream = false;
obj.pluginsActive = ((parent.config) && (parent.config.settings) && (parent.config.settings.plugins != null) && (parent.config.settings.plugins != false) && ((typeof parent.config.settings.plugins != 'object') || (parent.config.settings.plugins.enabled != false)));
obj.dbCounters = {
fileSet: 0,
fileRemove: 0,
powerSet: 0,
eventsSet: 0
}
// MongoDB bulk operations state
if (parent.config.settings.mongodbbulkoperations) {
// Added counters
obj.dbCounters.fileSetPending = 0;
obj.dbCounters.fileSetBulk = 0;
obj.dbCounters.fileRemovePending = 0;
obj.dbCounters.fileRemoveBulk = 0;
obj.dbCounters.powerSetPending = 0;
obj.dbCounters.powerSetBulk = 0;
obj.dbCounters.eventsSetPending = 0;
obj.dbCounters.eventsSetBulk = 0;
/// Added bulk accumulators
obj.filePendingGet = null;
obj.filePendingGets = null;
obj.filePendingRemove = null;
obj.filePendingRemoves = null;
obj.filePendingSet = false;
obj.filePendingSets = null;
obj.filePendingCb = null;
obj.filePendingCbs = null;
obj.powerFilePendingSet = false;
obj.powerFilePendingSets = null;
obj.powerFilePendingCb = null;
obj.powerFilePendingCbs = null;
obj.eventsFilePendingSet = false;
obj.eventsFilePendingSets = null;
obj.eventsFilePendingCb = null;
obj.eventsFilePendingCbs = null;
}
obj.SetupDatabase = function (func) {
// Check if the database unique identifier is present
// This is used to check that in server peering mode, everyone is using the same database.
obj.Get('DatabaseIdentifier', function (err, docs) {
if (err != null) { parent.debug('db', 'ERROR (Get DatabaseIdentifier): ' + err); }
if ((err == null) && (docs.length == 1) && (docs[0].value != null)) {
obj.identifier = docs[0].value;
} else {
obj.identifier = Buffer.from(require('crypto').randomBytes(48), 'binary').toString('hex');
obj.Set({ _id: 'DatabaseIdentifier', value: obj.identifier });
}
});
// Load database schema version and check if we need to update
obj.Get('SchemaVersion', function (err, docs) {
if (err != null) { parent.debug('db', 'ERROR (Get SchemaVersion): ' + err); }
var ver = 0;
if ((err == null) && (docs.length == 1)) { ver = docs[0].value; }
if (ver == 1) { console.log('This is an unsupported beta 1 database, delete it to create a new one.'); process.exit(0); }
// TODO: Any schema upgrades here...
obj.Set({ _id: 'SchemaVersion', value: 2 });
func(ver);
});
};
// Perform database maintenance
obj.maintenance = function () {
if (obj.databaseType == 1) { // NeDB will not remove expired records unless we try to access them. This will force the removal.
obj.eventsfile.remove({ time: { '$lt': new Date(Date.now() - (expireEventsSeconds * 1000)) } }, { multi: true }); // Force delete older events
obj.powerfile.remove({ time: { '$lt': new Date(Date.now() - (expirePowerEventsSeconds * 1000)) } }, { multi: true }); // Force delete older events
obj.serverstatsfile.remove({ time: { '$lt': new Date(Date.now() - (expireServerStatsSeconds * 1000)) } }, { multi: true }); // Force delete older events
} else if ((obj.databaseType == 4) || (obj.databaseType == 5)) { // MariaDB or MySQL
sqlDbQuery('DELETE FROM events WHERE time < ?', [new Date(Date.now() - (expireEventsSeconds * 1000))], function (doc, err) { }); // Delete events older than expireEventsSeconds
sqlDbQuery('DELETE FROM power WHERE time < ?', [new Date(Date.now() - (expirePowerEventsSeconds * 1000))], function (doc, err) { }); // Delete events older than expirePowerSeconds
sqlDbQuery('DELETE FROM serverstats WHERE expire < ?', [new Date()], function (doc, err) { }); // Delete events where expiration date is in the past
sqlDbQuery('DELETE FROM smbios WHERE expire < ?', [new Date()], function (doc, err) { }); // Delete events where expiration date is in the past
} else if (obj.databaseType == 7) { // AceBase
//console.log('Performing AceBase maintenance');
obj.file.query('events').filter('time', '<', new Date(Date.now() - (expireEventsSeconds * 1000))).remove().then(function () {
obj.file.query('stats').filter('time', '<', new Date(Date.now() - (expireServerStatsSeconds * 1000))).remove().then(function () {
obj.file.query('power').filter('time', '<', new Date(Date.now() - (expirePowerEventsSeconds * 1000))).remove().then(function () {
//console.log('AceBase maintenance done');
});
});
});
} else if (obj.databaseType == 8) { // SQLite3
// TODO
}
obj.removeInactiveDevices();
}
// Remove inactive devices
obj.removeInactiveDevices = function (showall, cb) {
// Get a list of domains and what their inactive device removal setting is
var removeInactiveDevicesPerDomain = {}, minRemoveInactiveDevicesPerDomain = {}, minRemoveInactiveDevice = 9999;
for (var i in parent.config.domains) {
if (typeof parent.config.domains[i].autoremoveinactivedevices == 'number') {
var v = parent.config.domains[i].autoremoveinactivedevices;
if ((v >= 1) && (v <= 2000)) {
if (v < minRemoveInactiveDevice) { minRemoveInactiveDevice = v; }
removeInactiveDevicesPerDomain[i] = v;
minRemoveInactiveDevicesPerDomain[i] = v;
}
}
}
// Check if any device groups have a inactive device removal setting
for (var i in parent.webserver.meshes) {
if (typeof parent.webserver.meshes[i].expireDevs == 'number') {
var v = parent.webserver.meshes[i].expireDevs;
if ((v >= 1) && (v <= 2000)) {
if (v < minRemoveInactiveDevice) { minRemoveInactiveDevice = v; }
if ((minRemoveInactiveDevicesPerDomain[parent.webserver.meshes[i].domain] == null) || (minRemoveInactiveDevicesPerDomain[parent.webserver.meshes[i].domain] > v)) {
minRemoveInactiveDevicesPerDomain[parent.webserver.meshes[i].domain] = v;
}
} else {
delete parent.webserver.meshes[i].expireDevs;
}
}
}
// If there are no such settings for any domain, we can exit now.
if (minRemoveInactiveDevice == 9999) { if (cb) { cb("No device removal policy set, nothing to do."); } return; }
const now = Date.now();
// For each domain with a inactive device removal setting, get a list of last device connections
for (var domainid in minRemoveInactiveDevicesPerDomain) {
obj.GetAllTypeNoTypeField('lastconnect', domainid, function (err, docs) {
if ((err != null) || (docs == null)) return;
for (var j in docs) {
const days = Math.floor((now - docs[j].time) / 86400000); // Calculate the number of inactive days
var expireDays = -1;
if (removeInactiveDevicesPerDomain[docs[j].domain]) { expireDays = removeInactiveDevicesPerDomain[docs[j].domain]; }
const mesh = parent.webserver.meshes[docs[j].meshid];
if (mesh && (typeof mesh.expireDevs == 'number')) { expireDays = mesh.expireDevs; }
var remove = false;
if (expireDays > 0) {
if (expireDays < days) { remove = true; }
if (cb) { if (showall || remove) { cb(docs[j]._id.substring(2) + ', ' + days + ' days, expire ' + expireDays + ' days' + (remove ? ', removing' : '')); } }
if (remove) {
// Check if this device is connected right now
const nodeid = docs[j]._id.substring(2);
const conn = parent.GetConnectivityState(nodeid);
if (conn == null) {
// Remove the device
obj.Get(nodeid, function (err, docs) {
if (err != null) return;
if ((docs == null) || (docs.length != 1)) { obj.Remove('lc' + nodeid); return; } // Remove last connect time
const node = docs[0];
// Delete this node including network interface information, events and timeline
obj.Remove(node._id); // Remove node with that id
obj.Remove('if' + node._id); // Remove interface information
obj.Remove('nt' + node._id); // Remove notes
obj.Remove('lc' + node._id); // Remove last connect time
obj.Remove('si' + node._id); // Remove system information
obj.Remove('al' + node._id); // Remove error log last time
if (obj.RemoveSMBIOS) { obj.RemoveSMBIOS(node._id); } // Remove SMBios data
obj.RemoveAllNodeEvents(node._id); // Remove all events for this node
obj.removeAllPowerEventsForNode(node._id); // Remove all power events for this node
if (typeof node.pmt == 'string') { obj.Remove('pmt_' + node.pmt); } // Remove Push Messaging Token
obj.Get('ra' + node._id, function (err, nodes) {
if ((nodes != null) && (nodes.length == 1)) { obj.Remove('da' + nodes[0].daid); } // Remove diagnostic agent to real agent link
obj.Remove('ra' + node._id); // Remove real agent to diagnostic agent link
});
// Remove any user node links
if (node.links != null) {
for (var i in node.links) {
if (i.startsWith('user/')) {
var cuser = parent.webserver.users[i];
if ((cuser != null) && (cuser.links != null) && (cuser.links[node._id] != null)) {
// Remove the user link & save the user
delete cuser.links[node._id];
if (Object.keys(cuser.links).length == 0) { delete cuser.links; }
obj.SetUser(cuser);
// Notify user change
var targets = ['*', 'server-users', cuser._id];
var event = { etype: 'user', userid: cuser._id, username: cuser.name, action: 'accountchange', msgid: 86, msgArgs: [cuser.name], msg: 'Removed user device rights for ' + cuser.name, domain: node.domain, account: parent.webserver.CloneSafeUser(cuser) };
if (obj.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to change the user. Another event will come.
parent.DispatchEvent(targets, obj, event);
}
}
}
}
// Event node deletion
var meshname = '(unknown)';
if ((parent.webserver.meshes[node.meshid] != null) && (parent.webserver.meshes[node.meshid].name != null)) { meshname = parent.webserver.meshes[node.meshid].name; }
var event = { etype: 'node', action: 'removenode', nodeid: node._id, msgid: 87, msgArgs: [node.name, meshname], msg: 'Removed device ' + node.name + ' from device group ' + meshname, domain: node.domain };
// TODO: We can't use the changeStream for node delete because we will not know the meshid the device was in.
//if (obj.changeStream) { event.noact = 1; } // If DB change stream is active, don't use this event to remove the node. Another event will come.
parent.DispatchEvent(parent.webserver.CreateNodeDispatchTargets(node.meshid, node._id), obj, event);
});
}
}
}
}
});
}
}
// Remove all reference to a domain from the database
obj.removeDomain = function (domainName, func) {
var pendingCalls;
// Remove all events, power events and SMBIOS data from the main collection. They are all in seperate collections now.
if (obj.databaseType == 7) {
// AceBase
pendingCalls = 3;
obj.file.query('meshcentral').filter('domain', '==', domainName).remove().then(function () { if (--pendingCalls == 0) { func(); } });
obj.file.query('events').filter('domain', '==', domainName).remove().then(function () { if (--pendingCalls == 0) { func(); } });
obj.file.query('power').filter('domain', '==', domainName).remove().then(function () { if (--pendingCalls == 0) { func(); } });
} else if ((obj.databaseType == 4) || (obj.databaseType == 5) || (obj.databaseType == 6)) {
// MariaDB, MySQL or PostgreSQL
pendingCalls = 2;
sqlDbQuery('DELETE FROM main WHERE domain = $1', [domainName], function () { if (--pendingCalls == 0) { func(); } });
sqlDbQuery('DELETE FROM events WHERE domain = $1', [domainName], function () { if (--pendingCalls == 0) { func(); } });
} else if (obj.databaseType == 3) {
// MongoDB
pendingCalls = 3;
obj.file.deleteMany({ domain: domainName }, { multi: true }, function () { if (--pendingCalls == 0) { func(); } });
obj.eventsfile.deleteMany({ domain: domainName }, { multi: true }, function () { if (--pendingCalls == 0) { func(); } });
obj.powerfile.deleteMany({ domain: domainName }, { multi: true }, function () { if (--pendingCalls == 0) { func(); } });
} else {
// NeDB or MongoJS
pendingCalls = 3;
obj.file.remove({ domain: domainName }, { multi: true }, function () { if (--pendingCalls == 0) { func(); } });
obj.eventsfile.remove({ domain: domainName }, { multi: true }, function () { if (--pendingCalls == 0) { func(); } });
obj.powerfile.remove({ domain: domainName }, { multi: true }, function () { if (--pendingCalls == 0) { func(); } });
}
}
obj.cleanup = function (func) {
// TODO: Remove all mesh links to invalid users
// TODO: Remove all meshes that dont have any links
// Remove all events, power events and SMBIOS data from the main collection. They are all in seperate collections now.
if ((obj.databaseType == 4) || (obj.databaseType == 5) || (obj.databaseType == 6)) {
// MariaDB, MySQL or PostgreSQL
obj.RemoveAllOfType('event', function () { });
obj.RemoveAllOfType('power', function () { });
obj.RemoveAllOfType('smbios', function () { });
} else if (obj.databaseType == 3) {
// MongoDB
obj.file.deleteMany({ type: 'event' }, { multi: true });
obj.file.deleteMany({ type: 'power' }, { multi: true });
obj.file.deleteMany({ type: 'smbios' }, { multi: true });
} else if ((obj.databaseType == 1) || (obj.databaseType == 2)) {
// NeDB or MongoJS
obj.file.remove({ type: 'event' }, { multi: true });
obj.file.remove({ type: 'power' }, { multi: true });
obj.file.remove({ type: 'smbios' }, { multi: true });
}
// List of valid identifiers
var validIdentifiers = {}
// Load all user groups
obj.GetAllType('ugrp', function (err, docs) {
if (err != null) { parent.debug('db', 'ERROR (GetAll user): ' + err); }
if ((err == null) && (docs.length > 0)) {
for (var i in docs) {
// Add this as a valid user identifier
validIdentifiers[docs[i]._id] = 1;
}
}
// Fix all of the creating & login to ticks by seconds, not milliseconds.
obj.GetAllType('user', function (err, docs) {
if (err != null) { parent.debug('db', 'ERROR (GetAll user): ' + err); }
if ((err == null) && (docs.length > 0)) {
for (var i in docs) {
var fixed = false;
// Add this as a valid user identifier
validIdentifiers[docs[i]._id] = 1;
// Fix email address capitalization
if (docs[i].email && (docs[i].email != docs[i].email.toLowerCase())) {
docs[i].email = docs[i].email.toLowerCase(); fixed = true;
}
// Fix account creation
if (docs[i].creation) {
if (docs[i].creation > 1300000000000) { docs[i].creation = Math.floor(docs[i].creation / 1000); fixed = true; }
if ((docs[i].creation % 1) != 0) { docs[i].creation = Math.floor(docs[i].creation); fixed = true; }
}
// Fix last account login
if (docs[i].login) {
if (docs[i].login > 1300000000000) { docs[i].login = Math.floor(docs[i].login / 1000); fixed = true; }
if ((docs[i].login % 1) != 0) { docs[i].login = Math.floor(docs[i].login); fixed = true; }
}
// Fix last password change
if (docs[i].passchange) {
if (docs[i].passchange > 1300000000000) { docs[i].passchange = Math.floor(docs[i].passchange / 1000); fixed = true; }
if ((docs[i].passchange % 1) != 0) { docs[i].passchange = Math.floor(docs[i].passchange); fixed = true; }
}
// Fix subscriptions
if (docs[i].subscriptions != null) { delete docs[i].subscriptions; fixed = true; }
// Save the user if needed
if (fixed) { obj.Set(docs[i]); }
}
// Remove all objects that have a "meshid" that no longer points to a valid mesh.
// Fix any incorrectly escaped user identifiers
obj.GetAllType('mesh', function (err, docs) {
if (err != null) { parent.debug('db', 'ERROR (GetAll mesh): ' + err); }
var meshlist = [];
if ((err == null) && (docs.length > 0)) {
for (var i in docs) {
var meshChange = false;
docs[i] = common.unEscapeLinksFieldName(docs[i]);
meshlist.push(docs[i]._id);
// Make sure all mesh types are number type, if not, fix it.
if (typeof docs[i].mtype == 'string') { docs[i].mtype = parseInt(docs[i].mtype); meshChange = true; }
// If the device group is deleted, remove any invite codes
if (docs[i].deleted && docs[i].invite) { delete docs[i].invite; meshChange = true; }
// Take a look at the links
if (docs[i].links != null) {
for (var j in docs[i].links) {
if (validIdentifiers[j] == null) {
// This identifier is not known, let see if we can fix it.
var xid = j, xid2 = common.unEscapeFieldName(xid);
while ((xid != xid2) && (validIdentifiers[xid2] == null)) { xid = xid2; xid2 = common.unEscapeFieldName(xid2); }
if (validIdentifiers[xid2] == 1) {
//console.log('Fixing id: ' + j + ' to ' + xid2);
docs[i].links[xid2] = docs[i].links[j];
delete docs[i].links[j];
meshChange = true;
} else {
// TODO: here, we may want to clean up links to users and user groups that do not exist anymore.
//console.log('Unknown id: ' + j);
}
}
}
}
// Save the updated device group if needed
if (meshChange) { obj.Set(docs[i]); }
}
}
if (obj.databaseType == 8) {
// SQLite
} else if (obj.databaseType == 7) {
// AceBase
} else if (obj.databaseType == 6) {
// Postgres
sqlDbQuery('DELETE FROM Main WHERE ((extra != NULL) AND (extra LIKE (\'mesh/%\')) AND (extra != ANY ($1)))', [meshlist], function (err, response) { });
} else if ((obj.databaseType == 4) || (obj.databaseType == 5)) {
// MariaDB
sqlDbQuery('DELETE FROM Main WHERE (extra LIKE ("mesh/%") AND (extra NOT IN ?)', [meshlist], function (err, response) { });
} else if (obj.databaseType == 3) {
// MongoDB
obj.file.deleteMany({ meshid: { $exists: true, $nin: meshlist } }, { multi: true });
} else {
// NeDB or MongoJS
obj.file.remove({ meshid: { $exists: true, $nin: meshlist } }, { multi: true });
}
// We are done
validIdentifiers = null;
if (func) { func(); }
});
}
});
});
};
// Get encryption key
obj.getEncryptDataKey = function (password, salt, iterations) {
if (typeof password != 'string') return null;
let key;
try {
key = parent.crypto.pbkdf2Sync(password, salt, iterations, 32, 'sha384');
} catch (ex) {
// If this previous call fails, it's probably because older pbkdf2 did not specify the hashing function, just use the default.
key = parent.crypto.pbkdf2Sync(password, salt, iterations, 32);
}
return key
}
// Encrypt data
obj.encryptData = function (password, plaintext) {
let encryptionVersion = 0x01;
let iterations = 100000
const iv = parent.crypto.randomBytes(16);
var key = obj.getEncryptDataKey(password, iv, iterations);
if (key == null) return null;
const aes = parent.crypto.createCipheriv('aes-256-gcm', key, iv);
var ciphertext = aes.update(plaintext);
let versionbuf = Buffer.allocUnsafe(2);
versionbuf.writeUInt16BE(encryptionVersion);
let iterbuf = Buffer.allocUnsafe(4);
iterbuf.writeUInt32BE(iterations);
let encryptedBuf = aes.final();
ciphertext = Buffer.concat([versionbuf, iterbuf, aes.getAuthTag(), iv, ciphertext, encryptedBuf]);
return ciphertext.toString('base64');
}
// Decrypt data
obj.decryptData = function (password, ciphertext) {
// Adding an encryption version lets us avoid try catching in the future
let ciphertextBytes = Buffer.from(ciphertext, 'base64');
let encryptionVersion = ciphertextBytes.readUInt16BE(0);
try {
switch (encryptionVersion) {
case 0x01:
let iterations = ciphertextBytes.readUInt32BE(2);
let authTag = ciphertextBytes.slice(6, 22);
const iv = ciphertextBytes.slice(22, 38);
const data = ciphertextBytes.slice(38);
let key = obj.getEncryptDataKey(password, iv, iterations);
if (key == null) return null;
const aes = parent.crypto.createDecipheriv('aes-256-gcm', key, iv);
aes.setAuthTag(authTag);
let plaintextBytes = Buffer.from(aes.update(data));
plaintextBytes = Buffer.concat([plaintextBytes, aes.final()]);
return plaintextBytes;
default:
return obj.oldDecryptData(password, ciphertextBytes);
}
} catch (ex) { return obj.oldDecryptData(password, ciphertextBytes); }
}
// Encrypt data
// The older encryption system uses CBC without integraty checking.
// This method is kept only for testing
obj.oldEncryptData = function (password, plaintext) {
let key = parent.crypto.createHash('sha384').update(password).digest('raw').slice(0, 32);
if (key == null) return null;
const iv = parent.crypto.randomBytes(16);
const aes = parent.crypto.createCipheriv('aes-256-cbc', key, iv);
var ciphertext = aes.update(plaintext);
ciphertext = Buffer.concat([iv, ciphertext, aes.final()]);
return ciphertext.toString('base64');
}
// Decrypt data
// The older encryption system uses CBC without integraty checking.
// This method is kept only to convert the old encryption to the new one.
obj.oldDecryptData = function (password, ciphertextBytes) {
if (typeof password != 'string') return null;
try {
const iv = ciphertextBytes.slice(0, 16);
const data = ciphertextBytes.slice(16);
let key = parent.crypto.createHash('sha384').update(password).digest('raw').slice(0, 32);
const aes = parent.crypto.createDecipheriv('aes-256-cbc', key, iv);
let plaintextBytes = Buffer.from(aes.update(data));
plaintextBytes = Buffer.concat([plaintextBytes, aes.final()]);
return plaintextBytes;
} catch (ex) { return null; }
}
// Get the number of records in the database for various types, this is the slow NeDB way.
// WARNING: This is a terrible query for database performance. Only do this when needed. This query will look at almost every document in the database.
obj.getStats = function (func) {
if (obj.databaseType == 7) {
// AceBase
// TODO
} else if (obj.databaseType == 6) {
// PostgreSQL
// TODO
} else if (obj.databaseType == 5) {
// MySQL
// TODO
} else if (obj.databaseType == 4) {
// MariaDB
// TODO
} else if (obj.databaseType == 3) {
// MongoDB
obj.file.aggregate([{ "$group": { _id: "$type", count: { $sum: 1 } } }]).toArray(function (err, docs) {
var counters = {}, totalCount = 0;
if (err == null) { for (var i in docs) { if (docs[i]._id != null) { counters[docs[i]._id] = docs[i].count; totalCount += docs[i].count; } } }
func(counters);
});
} else if (obj.databaseType == 2) {
// MongoJS
obj.file.aggregate([{ "$group": { _id: "$type", count: { $sum: 1 } } }], function (err, docs) {
var counters = {}, totalCount = 0;
if (err == null) { for (var i in docs) { if (docs[i]._id != null) { counters[docs[i]._id] = docs[i].count; totalCount += docs[i].count; } } }
func(counters);
});
} else if (obj.databaseType == 1) {
// NeDB version
obj.file.count({ type: 'node' }, function (err, nodeCount) {
obj.file.count({ type: 'mesh' }, function (err, meshCount) {
obj.file.count({ type: 'user' }, function (err, userCount) {
obj.file.count({ type: 'sysinfo' }, function (err, sysinfoCount) {
obj.file.count({ type: 'note' }, function (err, noteCount) {
obj.file.count({ type: 'iploc' }, function (err, iplocCount) {
obj.file.count({ type: 'ifinfo' }, function (err, ifinfoCount) {
obj.file.count({ type: 'cfile' }, function (err, cfileCount) {
obj.file.count({ type: 'lastconnect' }, function (err, lastconnectCount) {
obj.file.count({}, function (err, totalCount) {
func({ node: nodeCount, mesh: meshCount, user: userCount, sysinfo: sysinfoCount, iploc: iplocCount, note: noteCount, ifinfo: ifinfoCount, cfile: cfileCount, lastconnect: lastconnectCount, total: totalCount });
});
});
});
});
});
});
});
});
});
});
}
}
// This is used to rate limit a number of operation per day. Returns a startValue each new days, but you can substract it and save the value in the db.
obj.getValueOfTheDay = function (id, startValue, func) { obj.Get(id, function (err, docs) { var date = new Date(), t = date.toLocaleDateString(); if ((err == null) && (docs.length == 1)) { var r = docs[0]; if (r.day == t) { func({ _id: id, value: r.value, day: t }); return; } } func({ _id: id, value: startValue, day: t }); }); };
obj.escapeBase64 = function escapeBase64(val) { return (val.replace(/\+/g, '@').replace(/\//g, '$')); }
// Encrypt an database object
obj.performRecordEncryptionRecode = function (func) {
var count = 0;
obj.GetAllType('user', function (err, docs) {
if (err != null) { parent.debug('db', 'ERROR (performRecordEncryptionRecode): ' + err); }
if (err == null) { for (var i in docs) { count++; obj.Set(docs[i]); } }
obj.GetAllType('node', function (err, docs) {
if (err == null) { for (var i in docs) { count++; obj.Set(docs[i]); } }
obj.GetAllType('mesh', function (err, docs) {
if (err == null) { for (var i in docs) { count++; obj.Set(docs[i]); } }
if (obj.databaseType == 1) { // If we are using NeDB, compact the database.
obj.file.persistence.compactDatafile();
obj.file.on('compaction.done', function () { func(count); }); // It's important to wait for compaction to finish before exit, otherwise NeDB may corrupt.
} else {
func(count); // For all other databases, normal exit.
}
});
});
});
}
// Encrypt an database object
function performTypedRecordDecrypt(data) {
if ((data == null) || (obj.dbRecordsDecryptKey == null) || (typeof data != 'object')) return data;
for (var i in data) {
if ((data[i] == null) || (typeof data[i] != 'object')) continue;
data[i] = performPartialRecordDecrypt(data[i]);
if ((data[i].intelamt != null) && (typeof data[i].intelamt == 'object') && (data[i].intelamt._CRYPT)) { data[i].intelamt = performPartialRecordDecrypt(data[i].intelamt); }
if ((data[i].amt != null) && (typeof data[i].amt == 'object') && (data[i].amt._CRYPT)) { data[i].amt = performPartialRecordDecrypt(data[i].amt); }
if ((data[i].kvm != null) && (typeof data[i].kvm == 'object') && (data[i].kvm._CRYPT)) { data[i].kvm = performPartialRecordDecrypt(data[i].kvm); }
}
return data;
}
// Encrypt an database object
function performTypedRecordEncrypt(data) {
if (obj.dbRecordsEncryptKey == null) return data;
if (data.type == 'user') { return performPartialRecordEncrypt(Clone(data), ['otpkeys', 'otphkeys', 'otpsecret', 'salt', 'hash', 'oldpasswords']); }
else if ((data.type == 'node') && (data.ssh || data.rdp || data.intelamt)) {
var xdata = Clone(data);
if (data.ssh || data.rdp) { xdata = performPartialRecordEncrypt(xdata, ['ssh', 'rdp']); }
if (data.intelamt) { xdata.intelamt = performPartialRecordEncrypt(xdata.intelamt, ['pass', 'mpspass']); }
return xdata;
}
else if ((data.type == 'mesh') && (data.amt || data.kvm)) {
var xdata = Clone(data);
if (data.amt) { xdata.amt = performPartialRecordEncrypt(xdata.amt, ['password']); }
if (data.kvm) { xdata.kvm = performPartialRecordEncrypt(xdata.kvm, ['pass']); }
return xdata;
}
return data;
}
// Encrypt an object and return a buffer.
function performPartialRecordEncrypt(plainobj, encryptNames) {
if (typeof plainobj != 'object') return plainobj;
var enc = {}, enclen = 0;
for (var i in encryptNames) { if (plainobj[encryptNames[i]] != null) { enclen++; enc[encryptNames[i]] = plainobj[encryptNames[i]]; delete plainobj[encryptNames[i]]; } }
if (enclen > 0) { plainobj._CRYPT = performRecordEncrypt(enc); } else { delete plainobj._CRYPT; }
return plainobj;
}
// Encrypt an object and return a buffer.
function performPartialRecordDecrypt(plainobj) {
if ((typeof plainobj != 'object') || (plainobj._CRYPT == null)) return plainobj;
var enc = performRecordDecrypt(plainobj._CRYPT);
if (enc != null) { for (var i in enc) { plainobj[i] = enc[i]; } }
delete plainobj._CRYPT;
return plainobj;
}
// Encrypt an object and return a base64.
function performRecordEncrypt(plainobj) {
if (obj.dbRecordsEncryptKey == null) return null;
const iv = parent.crypto.randomBytes(12);
const aes = parent.crypto.createCipheriv('aes-256-gcm', obj.dbRecordsEncryptKey, iv);
var ciphertext = aes.update(JSON.stringify(plainobj));
var cipherfinal = aes.final();
ciphertext = Buffer.concat([iv, aes.getAuthTag(), ciphertext, cipherfinal]);
return ciphertext.toString('base64');
}
// Takes a base64 and return an object.
function performRecordDecrypt(ciphertext) {
if (obj.dbRecordsDecryptKey == null) return null;
const ciphertextBytes = Buffer.from(ciphertext, 'base64');
const iv = ciphertextBytes.slice(0, 12);
const data = ciphertextBytes.slice(28);
const aes = parent.crypto.createDecipheriv('aes-256-gcm', obj.dbRecordsDecryptKey, iv);
aes.setAuthTag(ciphertextBytes.slice(12, 28));
var plaintextBytes, r;
try {
plaintextBytes = Buffer.from(aes.update(data));
plaintextBytes = Buffer.concat([plaintextBytes, aes.final()]);
r = JSON.parse(plaintextBytes.toString());
} catch (e) { throw "Incorrect DbRecordsDecryptKey/DbRecordsEncryptKey or invalid database _CRYPT data: " + e; }
return r;
}
// Clone an object (TODO: Make this more efficient)
function Clone(v) { return JSON.parse(JSON.stringify(v)); }
// Read expiration time from configuration file
if (typeof parent.args.dbexpire == 'object') {
if (typeof parent.args.dbexpire.events == 'number') { expireEventsSeconds = parent.args.dbexpire.events; }
if (typeof parent.args.dbexpire.powerevents == 'number') { expirePowerEventsSeconds = parent.args.dbexpire.powerevents; }
if (typeof parent.args.dbexpire.statsevents == 'number') { expireServerStatsSeconds = parent.args.dbexpire.statsevents; }
}
// If a DB record encryption key is provided, perform database record encryption
if ((typeof parent.args.dbrecordsencryptkey == 'string') && (parent.args.dbrecordsencryptkey.length != 0)) {
// Hash the database password into a AES256 key and setup encryption and decryption.
obj.dbRecordsEncryptKey = obj.dbRecordsDecryptKey = parent.crypto.createHash('sha384').update(parent.args.dbrecordsencryptkey).digest('raw').slice(0, 32);
}
// If a DB record decryption key is provided, perform database record decryption
if ((typeof parent.args.dbrecordsdecryptkey == 'string') && (parent.args.dbrecordsdecryptkey.length != 0)) {
// Hash the database password into a AES256 key and setup encryption and decryption.
obj.dbRecordsDecryptKey = parent.crypto.createHash('sha384').update(parent.args.dbrecordsdecryptkey).digest('raw').slice(0, 32);
}
function createTablesIfNotExist(dbname) {
var useDatabase = 'USE ' + dbname;
sqlDbQuery(useDatabase, null, function (err, docs) {
if (err != null) {
console.log("Unable to connect to database: " + err);
process.exit();
}
if (err == null) {
parent.debug('db', 'Checking tables...');
sqlDbBatchExec([
'CREATE TABLE IF NOT EXISTS main (id VARCHAR(256) NOT NULL, type CHAR(32), domain CHAR(64), extra CHAR(255), extraex CHAR(255), doc JSON, PRIMARY KEY(id), CHECK (json_valid(doc)))',
'CREATE TABLE IF NOT EXISTS events (id INT NOT NULL AUTO_INCREMENT, time DATETIME, domain CHAR(64), action CHAR(255), nodeid CHAR(255), userid CHAR(255), doc JSON, PRIMARY KEY(id), CHECK(json_valid(doc)))',
'CREATE TABLE IF NOT EXISTS eventids (fkid INT NOT NULL, target CHAR(255), CONSTRAINT fk_eventid FOREIGN KEY (fkid) REFERENCES events (id) ON DELETE CASCADE ON UPDATE RESTRICT)',
'CREATE TABLE IF NOT EXISTS serverstats (time DATETIME, expire DATETIME, doc JSON, PRIMARY KEY(time), CHECK (json_valid(doc)))',
'CREATE TABLE IF NOT EXISTS power (id INT NOT NULL AUTO_INCREMENT, time DATETIME, nodeid CHAR(255), doc JSON, PRIMARY KEY(id), CHECK (json_valid(doc)))',
'CREATE TABLE IF NOT EXISTS smbios (id CHAR(255), time DATETIME, expire DATETIME, doc JSON, PRIMARY KEY(id), CHECK (json_valid(doc)))',
'CREATE TABLE IF NOT EXISTS plugin (id INT NOT NULL AUTO_INCREMENT, doc JSON, PRIMARY KEY(id), CHECK (json_valid(doc)))'
], function (err) {
parent.debug('db', 'Checking indexes...');
sqlDbExec('CREATE INDEX ndxtypedomainextra ON main (type, domain, extra)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxextra ON main (extra)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxextraex ON main (extraex)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxeventstime ON events(time)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxeventsusername ON events(domain, userid, time)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxeventsdomainnodeidtime ON events(domain, nodeid, time)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxeventids ON eventids(target)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxserverstattime ON serverstats (time)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxserverstatexpire ON serverstats (expire)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxpowernodeidtime ON power (nodeid, time)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxsmbiostime ON smbios (time)', null, function (err, response) { });
sqlDbExec('CREATE INDEX ndxsmbiosexpire ON smbios (expire)', null, function (err, response) { });
setupFunctions(func);
});
}
});
}
if (parent.args.sqlite3) {
// SQLite3 database setup
obj.databaseType = 8;
const sqlite3 = require('sqlite3');
obj.file = new sqlite3.Database(parent.path.join(parent.datapath, 'meshcentral.sqlite'), sqlite3.OPEN_READWRITE, function (err) {
if (err && (err.code == 'SQLITE_CANTOPEN')) {
// Database needs to be created
obj.file = new sqlite3.Database(parent.path.join(parent.datapath, 'meshcentral.sqlite'), function (err) {
if (err) { console.log("SQLite Error: " + err); exit(1); return; }
obj.file.exec(`
CREATE TABLE main (id VARCHAR(256) PRIMARY KEY NOT NULL, type CHAR(32), domain CHAR(64), extra CHAR(255), extraex CHAR(255), doc JSON);
CREATE TABLE events(id INTEGER PRIMARY KEY, time TIMESTAMP, domain CHAR(64), action CHAR(255), nodeid CHAR(255), userid CHAR(255), doc JSON);
CREATE TABLE eventids(fkid INT NOT NULL, target CHAR(255), CONSTRAINT fk_eventid FOREIGN KEY (fkid) REFERENCES events (id) ON DELETE CASCADE ON UPDATE RESTRICT);
CREATE TABLE serverstats (time TIMESTAMP PRIMARY KEY, expire TIMESTAMP, doc JSON);
CREATE TABLE power (id INTEGER PRIMARY KEY, time TIMESTAMP, nodeid CHAR(255), doc JSON);
CREATE TABLE smbios (id CHAR(255) PRIMARY KEY, time TIMESTAMP, expire TIMESTAMP, doc JSON);
CREATE TABLE plugin (id INTEGER PRIMARY KEY, doc JSON);
CREATE INDEX ndxtypedomainextra ON main (type, domain, extra);
CREATE INDEX ndxextra ON main (extra);
CREATE INDEX ndxextraex ON main (extraex);
CREATE INDEX ndxeventstime ON events(time);
CREATE INDEX ndxeventsusername ON events(domain, userid, time);
CREATE INDEX ndxeventsdomainnodeidtime ON events(domain, nodeid, time);
CREATE INDEX ndxeventids ON eventids(target);
CREATE INDEX ndxserverstattime ON serverstats (time);
CREATE INDEX ndxserverstatexpire ON serverstats (expire);
CREATE INDEX ndxpowernodeidtime ON power (nodeid, time);
CREATE INDEX ndxsmbiostime ON smbios (time);
CREATE INDEX ndxsmbiosexpire ON smbios (expire);
`, function (err) {
// Completed setup of SQLite3
setupFunctions(func);
}
);
});
return;
} else if (err) { console.log("SQLite Error: " + err); exit(1); return; }
// Completed setup of SQLite3
setupFunctions(func);
});
} else if (parent.args.acebase) {
// AceBase database setup
obj.databaseType = 7;
const { AceBase } = require('acebase');
// For information on AceBase sponsor: https://github.com/appy-one/acebase/discussions/100
obj.file = new AceBase('meshcentral', { sponsor: ((typeof parent.args.acebase == 'object') && (parent.args.acebase.sponsor)), logLevel: 'error', storage: { path: parent.datapath } });
// Get all the databases ready
obj.file.ready(function () {
// Create AceBase indexes
obj.file.indexes.create('meshcentral', 'type', { include: ['domain', 'meshid'] });
obj.file.indexes.create('meshcentral', 'email');
obj.file.indexes.create('meshcentral', 'meshid');
obj.file.indexes.create('meshcentral', 'intelamt.uuid');
obj.file.indexes.create('events', 'userid', { include: ['action'] });
obj.file.indexes.create('events', 'domain', { include: ['nodeid', 'time'] });
obj.file.indexes.create('events', 'ids', { include: ['time'] });
obj.file.indexes.create('events', 'time');
obj.file.indexes.create('power', 'nodeid', { include: ['time'] });
obj.file.indexes.create('power', 'time');
obj.file.indexes.create('stats', 'time');
obj.file.indexes.create('stats', 'expire');
// Completed setup of AceBase
setupFunctions(func);
});
} else if (parent.args.mariadb || parent.args.mysql) {
var connectinArgs = (parent.args.mariadb) ? parent.args.mariadb : parent.args.mysql;
if (typeof connectinArgs == 'string') {
const parts = connectinArgs.split(/[:@/]+/);
var connectionObject = {
"user": parts[1],
"password": parts[2],
"host": parts[3],
"port": parts[4],
"database": parts[5]
};
var dbname = (connectionObject.database != null) ? connectionObject.database : 'meshcentral';
} else {
var dbname = (connectinArgs.database != null) ? connectinArgs.database : 'meshcentral';
// Including the db name in the connection obj will cause a connection faliure if it does not exist
var connectionObject = Clone(connectinArgs);
delete connectionObject.database;
try {
if (connectinArgs.ssl) {
if (connectinArgs.ssl.dontcheckserveridentity == true) { connectionObject.ssl.checkServerIdentity = function (name, cert) { return undefined; } };
if (connectinArgs.ssl.cacertpath) { connectionObject.ssl.ca = [require('fs').readFileSync(connectinArgs.ssl.cacertpath, 'utf8')]; }
if (connectinArgs.ssl.clientcertpath) { connectionObject.ssl.cert = [require('fs').readFileSync(connectinArgs.ssl.clientcertpath, 'utf8')]; }
if (connectinArgs.ssl.clientkeypath) { connectionObject.ssl.key = [require('fs').readFileSync(connectinArgs.ssl.clientkeypath, 'utf8')]; }
}
} catch (ex) {
console.log('Error loading SQL Connector certificate: ' + ex);
process.exit();
}
}
if (parent.args.mariadb) {
// Use MariaDB
obj.databaseType = 4;
var tempDatastore = require('mariadb').createPool(connectionObject);
tempDatastore.getConnection().then(function (conn) {
conn.query('CREATE DATABASE IF NOT EXISTS ' + dbname).then(function (result) {
conn.release();
}).catch(function (ex) { console.log('Auto-create database failed: ' + ex); });
}).catch(function (ex) { console.log('Auto-create database failed: ' + ex); });
setTimeout(function () { tempDatastore.end(); }, 2000);
connectionObject.database = dbname;
Datastore = require('mariadb').createPool(connectionObject);
createTablesIfNotExist(dbname);
} else if (parent.args.mysql) {
// Use MySQL
obj.databaseType = 5;
var tempDatastore = require('mysql2').createPool(connectionObject);
tempDatastore.query('CREATE DATABASE IF NOT EXISTS ' + dbname, function (error) {
if (error != null) {
console.log('Auto-create database failed: ' + error);
}
connectionObject.database = dbname;
Datastore = require('mysql2').createPool(connectionObject);
createTablesIfNotExist(dbname);
});
setTimeout(function () { tempDatastore.end(); }, 2000);
}
} else if (parent.args.postgres) {
// Postgres SQL
var connectinArgs = parent.args.postgres;
var dbname = (connectinArgs.database != null) ? connectinArgs.database : 'meshcentral';
delete connectinArgs.database;
obj.databaseType = 6;
const { Pool, Client } = require('pg');
connectinArgs.database = dbname;
Datastore = new Client(connectinArgs);
Datastore.connect();
sqlDbQuery('SELECT 1 FROM pg_database WHERE datname = $1', [dbname], function (dberr, dbdocs) { // check database exists first before creating
if (dberr == null) { // database exists now check tables exists
sqlDbQuery('SELECT doc FROM main WHERE id = $1', ['DatabaseIdentifier'], function (err, docs) {
if (err == null) { setupFunctions(func); } else { postgreSqlCreateTables(func); } // If not present, create the tables and indexes
});
} else { // If not present, create the tables and indexes
const pgtools = require('pgtools');
pgtools.createdb(connectinArgs, dbname, function (err, res) {
if (err == null) {
// Create the tables and indexes
postgreSqlCreateTables(func);
} else {
// Database already existed, perform a test query to see if the main table is present
sqlDbQuery('SELECT doc FROM main WHERE id = $1', ['DatabaseIdentifier'], function (err, docs) {
if (err == null) { setupFunctions(func); } else { postgreSqlCreateTables(func); } // If not present, create the tables and indexes
});
}
});
}
});
} else if (parent.args.mongodb) {
// Use MongoDB
obj.databaseType = 3;
// If running an older NodeJS version, TextEncoder/TextDecoder is required
if (global.TextEncoder == null) { global.TextEncoder = require('util').TextEncoder; }
if (global.TextDecoder == null) { global.TextDecoder = require('util').TextDecoder; }
require('mongodb').MongoClient.connect(parent.args.mongodb, { useNewUrlParser: true, useUnifiedTopology: true, enableUtf8Validation: false }, function (err, client) {
if (err != null) { console.log("Unable to connect to database: " + err); process.exit(); return; }
Datastore = client;
parent.debug('db', 'Connected to MongoDB database...');
// Get the database name and setup the database client
var dbname = 'meshcentral';
if (parent.args.mongodbname) { dbname = parent.args.mongodbname; }
const dbcollectionname = (parent.args.mongodbcol) ? (parent.args.mongodbcol) : 'meshcentral';
const db = client.db(dbname);
// Check the database version
db.admin().serverInfo(function (err, info) {
if ((err != null) || (info == null) || (info.versionArray == null) || (Array.isArray(info.versionArray) == false) || (info.versionArray.length < 2) || (typeof info.versionArray[0] != 'number') || (typeof info.versionArray[1] != 'number')) {
console.log('WARNING: Unable to check MongoDB version.');
} else {
if ((info.versionArray[0] < 3) || ((info.versionArray[0] == 3) && (info.versionArray[1] < 6))) {
// We are running with mongoDB older than 3.6, this is not good.
parent.addServerWarning("Current version of MongoDB (" + info.version + ") is too old, please upgrade to MongoDB 3.6 or better.");
}
}
});
// Setup MongoDB main collection and indexes
obj.file = db.collection(dbcollectionname);
obj.file.indexes(function (err, indexes) {
// Check if we need to reset indexes
var indexesByName = {}, indexCount = 0;
for (var i in indexes) { indexesByName[indexes[i].name] = indexes[i]; indexCount++; }
if ((indexCount != 5) || (indexesByName['TypeDomainMesh1'] == null) || (indexesByName['Email1'] == null) || (indexesByName['Mesh1'] == null) || (indexesByName['AmtUuid1'] == null)) {
console.log('Resetting main indexes...');
obj.file.dropIndexes(function (err) {
obj.file.createIndex({ type: 1, domain: 1, meshid: 1 }, { sparse: 1, name: 'TypeDomainMesh1' }); // Speeds up GetAllTypeNoTypeField() and GetAllTypeNoTypeFieldMeshFiltered()
obj.file.createIndex({ email: 1 }, { sparse: 1, name: 'Email1' }); // Speeds up GetUserWithEmail() and GetUserWithVerifiedEmail()
obj.file.createIndex({ meshid: 1 }, { sparse: 1, name: 'Mesh1' }); // Speeds up RemoveMesh()
obj.file.createIndex({ 'intelamt.uuid': 1 }, { sparse: 1, name: 'AmtUuid1' }); // Speeds up getAmtUuidMeshNode()
});
}
});
// Setup the changeStream on the MongoDB main collection if possible
if (parent.args.mongodbchangestream == true) {
obj.dbCounters.changeStream = { change: 0, update: 0, insert: 0, delete: 0 };
if (typeof obj.file.watch != 'function') {
console.log('WARNING: watch() is not a function, MongoDB ChangeStream not supported.');
} else {
obj.fileChangeStream = obj.file.watch([{ $match: { $or: [{ 'fullDocument.type': { $in: ['node', 'mesh', 'user', 'ugrp'] } }, { 'operationType': 'delete' }] } }], { fullDocument: 'updateLookup' });
obj.fileChangeStream.on('change', function (change) {
obj.dbCounters.changeStream.change++;
if ((change.operationType == 'update') || (change.operationType == 'replace')) {
obj.dbCounters.changeStream.update++;
switch (change.fullDocument.type) {
case 'node': { dbNodeChange(change, false); break; } // A node has changed
case 'mesh': { dbMeshChange(change, false); break; } // A device group has changed
case 'user': { dbUserChange(change, false); break; } // A user account has changed
case 'ugrp': { dbUGrpChange(change, false); break; } // A user account has changed
}
} else if (change.operationType == 'insert') {
obj.dbCounters.changeStream.insert++;
switch (change.fullDocument.type) {
case 'node': { dbNodeChange(change, true); break; } // A node has added
case 'mesh': { dbMeshChange(change, true); break; } // A device group has created
case 'user': { dbUserChange(change, true); break; } // A user account has created
case 'ugrp': { dbUGrpChange(change, true); break; } // A user account has created
}
} else if (change.operationType == 'delete') {
obj.dbCounters.changeStream.delete++;
if ((change.documentKey == null) || (change.documentKey._id == null)) return;
var splitId = change.documentKey._id.split('/');
switch (splitId[0]) {
case 'node': {
//Not Good: Problem here is that we don't know what meshid the node belonged to before the delete.
//parent.DispatchEvent(['*', node.meshid], obj, { etype: 'node', action: 'removenode', nodeid: change.documentKey._id, domain: splitId[1] });
break;
}
case 'mesh': {
parent.DispatchEvent(['*', change.documentKey._id], obj, { etype: 'mesh', action: 'deletemesh', meshid: change.documentKey._id, domain: splitId[1] });
break;
}
case 'user': {
//Not Good: This is not a perfect user removal because we don't know what groups the user was in.
//parent.DispatchEvent(['*', 'server-users'], obj, { etype: 'user', action: 'accountremove', userid: change.documentKey._id, domain: splitId[1], username: splitId[2] });
break;
}
case 'ugrp': {
parent.DispatchEvent(['*', change.documentKey._id], obj, { etype: 'ugrp', action: 'deleteusergroup', ugrpid: change.documentKey._id, domain: splitId[1] });
break;
}
}
}
});
obj.changeStream = true;
}
}
// Setup MongoDB events collection and indexes
obj.eventsfile = db.collection('events'); // Collection containing all events
obj.eventsfile.indexes(function (err, indexes) {
// Check if we need to reset indexes
var indexesByName = {}, indexCount = 0;
for (var i in indexes) { indexesByName[indexes[i].name] = indexes[i]; indexCount++; }
if ((indexCount != 5) || (indexesByName['UseridAction1'] == null) || (indexesByName['DomainNodeTime1'] == null) || (indexesByName['IdsAndTime1'] == null) || (indexesByName['ExpireTime1'] == null)) {
// Reset all indexes
console.log("Resetting events indexes...");
obj.eventsfile.dropIndexes(function (err) {
obj.eventsfile.createIndex({ userid: 1, action: 1 }, { sparse: 1, name: 'UseridAction1' });
obj.eventsfile.createIndex({ domain: 1, nodeid: 1, time: -1 }, { sparse: 1, name: 'DomainNodeTime1' });
obj.eventsfile.createIndex({ ids: 1, time: -1 }, { sparse: 1, name: 'IdsAndTime1' });
obj.eventsfile.createIndex({ time: 1 }, { expireAfterSeconds: expireEventsSeconds, name: 'ExpireTime1' });
});
} else if (indexesByName['ExpireTime1'].expireAfterSeconds != expireEventsSeconds) {
// Reset the timeout index
console.log("Resetting events expire index...");
obj.eventsfile.dropIndex('ExpireTime1', function (err) {
obj.eventsfile.createIndex({ time: 1 }, { expireAfterSeconds: expireEventsSeconds, name: 'ExpireTime1' });
});