-
-
Notifications
You must be signed in to change notification settings - Fork 4k
/
CalDavBackend.php
3545 lines (3178 loc) · 128 KB
/
CalDavBackend.php
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
<?php
/**
* SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
namespace OCA\DAV\CalDAV;
use DateTime;
use DateTimeImmutable;
use DateTimeInterface;
use OCA\DAV\AppInfo\Application;
use OCA\DAV\CalDAV\Sharing\Backend;
use OCA\DAV\Connector\Sabre\Principal;
use OCA\DAV\DAV\Sharing\IShareable;
use OCA\DAV\Events\CachedCalendarObjectCreatedEvent;
use OCA\DAV\Events\CachedCalendarObjectDeletedEvent;
use OCA\DAV\Events\CachedCalendarObjectUpdatedEvent;
use OCA\DAV\Events\CalendarCreatedEvent;
use OCA\DAV\Events\CalendarDeletedEvent;
use OCA\DAV\Events\CalendarMovedToTrashEvent;
use OCA\DAV\Events\CalendarObjectCreatedEvent;
use OCA\DAV\Events\CalendarObjectDeletedEvent;
use OCA\DAV\Events\CalendarObjectMovedEvent;
use OCA\DAV\Events\CalendarObjectMovedToTrashEvent;
use OCA\DAV\Events\CalendarObjectRestoredEvent;
use OCA\DAV\Events\CalendarObjectUpdatedEvent;
use OCA\DAV\Events\CalendarPublishedEvent;
use OCA\DAV\Events\CalendarRestoredEvent;
use OCA\DAV\Events\CalendarShareUpdatedEvent;
use OCA\DAV\Events\CalendarUnpublishedEvent;
use OCA\DAV\Events\CalendarUpdatedEvent;
use OCA\DAV\Events\SubscriptionCreatedEvent;
use OCA\DAV\Events\SubscriptionDeletedEvent;
use OCA\DAV\Events\SubscriptionUpdatedEvent;
use OCP\AppFramework\Db\TTransactional;
use OCP\Calendar\Exceptions\CalendarException;
use OCP\DB\Exception;
use OCP\DB\QueryBuilder\IQueryBuilder;
use OCP\EventDispatcher\IEventDispatcher;
use OCP\IConfig;
use OCP\IDBConnection;
use OCP\IUserManager;
use OCP\Security\ISecureRandom;
use Psr\Log\LoggerInterface;
use RuntimeException;
use Sabre\CalDAV\Backend\AbstractBackend;
use Sabre\CalDAV\Backend\SchedulingSupport;
use Sabre\CalDAV\Backend\SubscriptionSupport;
use Sabre\CalDAV\Backend\SyncSupport;
use Sabre\CalDAV\Xml\Property\ScheduleCalendarTransp;
use Sabre\CalDAV\Xml\Property\SupportedCalendarComponentSet;
use Sabre\DAV;
use Sabre\DAV\Exception\BadRequest;
use Sabre\DAV\Exception\Forbidden;
use Sabre\DAV\Exception\NotFound;
use Sabre\DAV\PropPatch;
use Sabre\Uri;
use Sabre\VObject\Component;
use Sabre\VObject\Component\VCalendar;
use Sabre\VObject\Component\VTimeZone;
use Sabre\VObject\DateTimeParser;
use Sabre\VObject\InvalidDataException;
use Sabre\VObject\ParseException;
use Sabre\VObject\Property;
use Sabre\VObject\Reader;
use Sabre\VObject\Recur\EventIterator;
use Sabre\VObject\Recur\MaxInstancesExceededException;
use Sabre\VObject\Recur\NoInstancesException;
use function array_column;
use function array_map;
use function array_merge;
use function array_values;
use function explode;
use function is_array;
use function is_resource;
use function pathinfo;
use function rewind;
use function settype;
use function sprintf;
use function str_replace;
use function strtolower;
use function time;
/**
* Class CalDavBackend
*
* Code is heavily inspired by https://github.com/fruux/sabre-dav/blob/master/lib/CalDAV/Backend/PDO.php
*
* @package OCA\DAV\CalDAV
*/
class CalDavBackend extends AbstractBackend implements SyncSupport, SubscriptionSupport, SchedulingSupport {
use TTransactional;
public const CALENDAR_TYPE_CALENDAR = 0;
public const CALENDAR_TYPE_SUBSCRIPTION = 1;
public const PERSONAL_CALENDAR_URI = 'personal';
public const PERSONAL_CALENDAR_NAME = 'Personal';
public const RESOURCE_BOOKING_CALENDAR_URI = 'calendar';
public const RESOURCE_BOOKING_CALENDAR_NAME = 'Calendar';
/**
* We need to specify a max date, because we need to stop *somewhere*
*
* On 32 bit system the maximum for a signed integer is 2147483647, so
* MAX_DATE cannot be higher than date('Y-m-d', 2147483647) which results
* in 2038-01-19 to avoid problems when the date is converted
* to a unix timestamp.
*/
public const MAX_DATE = '2038-01-01';
public const ACCESS_PUBLIC = 4;
public const CLASSIFICATION_PUBLIC = 0;
public const CLASSIFICATION_PRIVATE = 1;
public const CLASSIFICATION_CONFIDENTIAL = 2;
/**
* List of CalDAV properties, and how they map to database field names and their type
* Add your own properties by simply adding on to this array.
*
* @var array
* @psalm-var array<string, string[]>
*/
public array $propertyMap = [
'{DAV:}displayname' => ['displayname', 'string'],
'{urn:ietf:params:xml:ns:caldav}calendar-description' => ['description', 'string'],
'{urn:ietf:params:xml:ns:caldav}calendar-timezone' => ['timezone', 'string'],
'{http://apple.com/ns/ical/}calendar-order' => ['calendarorder', 'int'],
'{http://apple.com/ns/ical/}calendar-color' => ['calendarcolor', 'string'],
'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_NEXTCLOUD . '}deleted-at' => ['deleted_at', 'int'],
];
/**
* List of subscription properties, and how they map to database field names.
*
* @var array
*/
public array $subscriptionPropertyMap = [
'{DAV:}displayname' => ['displayname', 'string'],
'{http://apple.com/ns/ical/}refreshrate' => ['refreshrate', 'string'],
'{http://apple.com/ns/ical/}calendar-order' => ['calendarorder', 'int'],
'{http://apple.com/ns/ical/}calendar-color' => ['calendarcolor', 'string'],
'{http://calendarserver.org/ns/}subscribed-strip-todos' => ['striptodos', 'bool'],
'{http://calendarserver.org/ns/}subscribed-strip-alarms' => ['stripalarms', 'string'],
'{http://calendarserver.org/ns/}subscribed-strip-attachments' => ['stripattachments', 'string'],
];
/**
* properties to index
*
* This list has to be kept in sync with ICalendarQuery::SEARCH_PROPERTY_*
*
* @see \OCP\Calendar\ICalendarQuery
*/
private const INDEXED_PROPERTIES = [
'CATEGORIES',
'COMMENT',
'DESCRIPTION',
'LOCATION',
'RESOURCES',
'STATUS',
'SUMMARY',
'ATTENDEE',
'CONTACT',
'ORGANIZER'
];
/** @var array parameters to index */
public static array $indexParameters = [
'ATTENDEE' => ['CN'],
'ORGANIZER' => ['CN'],
];
/**
* @var string[] Map of uid => display name
*/
protected array $userDisplayNames;
private string $dbObjectPropertiesTable = 'calendarobjects_props';
private array $cachedObjects = [];
public function __construct(
private IDBConnection $db,
private Principal $principalBackend,
private IUserManager $userManager,
private ISecureRandom $random,
private LoggerInterface $logger,
private IEventDispatcher $dispatcher,
private IConfig $config,
private Sharing\Backend $calendarSharingBackend,
private bool $legacyEndpoint = false,
) {
}
/**
* Return the number of calendars for a principal
*
* By default this excludes the automatically generated birthday calendar
*
* @param $principalUri
* @param bool $excludeBirthday
* @return int
*/
public function getCalendarsForUserCount($principalUri, $excludeBirthday = true) {
$principalUri = $this->convertPrincipal($principalUri, true);
$query = $this->db->getQueryBuilder();
$query->select($query->func()->count('*'))
->from('calendars');
if ($principalUri === '') {
$query->where($query->expr()->emptyString('principaluri'));
} else {
$query->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)));
}
if ($excludeBirthday) {
$query->andWhere($query->expr()->neq('uri', $query->createNamedParameter(BirthdayService::BIRTHDAY_CALENDAR_URI)));
}
$result = $query->executeQuery();
$column = (int)$result->fetchOne();
$result->closeCursor();
return $column;
}
/**
* Return the number of subscriptions for a principal
*/
public function getSubscriptionsForUserCount(string $principalUri): int {
$principalUri = $this->convertPrincipal($principalUri, true);
$query = $this->db->getQueryBuilder();
$query->select($query->func()->count('*'))
->from('calendarsubscriptions');
if ($principalUri === '') {
$query->where($query->expr()->emptyString('principaluri'));
} else {
$query->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)));
}
$result = $query->executeQuery();
$column = (int)$result->fetchOne();
$result->closeCursor();
return $column;
}
/**
* @return array{id: int, deleted_at: int}[]
*/
public function getDeletedCalendars(int $deletedBefore): array {
$qb = $this->db->getQueryBuilder();
$qb->select(['id', 'deleted_at'])
->from('calendars')
->where($qb->expr()->isNotNull('deleted_at'))
->andWhere($qb->expr()->lt('deleted_at', $qb->createNamedParameter($deletedBefore)));
$result = $qb->executeQuery();
$calendars = [];
while (($row = $result->fetch()) !== false) {
$calendars[] = [
'id' => (int)$row['id'],
'deleted_at' => (int)$row['deleted_at'],
];
}
$result->closeCursor();
return $calendars;
}
/**
* Returns a list of calendars for a principal.
*
* Every project is an array with the following keys:
* * id, a unique id that will be used by other functions to modify the
* calendar. This can be the same as the uri or a database key.
* * uri, which the basename of the uri with which the calendar is
* accessed.
* * principaluri. The owner of the calendar. Almost always the same as
* principalUri passed to this method.
*
* Furthermore it can contain webdav properties in clark notation. A very
* common one is '{DAV:}displayname'.
*
* Many clients also require:
* {urn:ietf:params:xml:ns:caldav}supported-calendar-component-set
* For this property, you can just return an instance of
* Sabre\CalDAV\Property\SupportedCalendarComponentSet.
*
* If you return {http://sabredav.org/ns}read-only and set the value to 1,
* ACL will automatically be put in read-only mode.
*
* @param string $principalUri
* @return array
*/
public function getCalendarsForUser($principalUri) {
return $this->atomic(function () use ($principalUri) {
$principalUriOriginal = $principalUri;
$principalUri = $this->convertPrincipal($principalUri, true);
$fields = array_column($this->propertyMap, 0);
$fields[] = 'id';
$fields[] = 'uri';
$fields[] = 'synctoken';
$fields[] = 'components';
$fields[] = 'principaluri';
$fields[] = 'transparent';
// Making fields a comma-delimited list
$query = $this->db->getQueryBuilder();
$query->select($fields)
->from('calendars')
->orderBy('calendarorder', 'ASC');
if ($principalUri === '') {
$query->where($query->expr()->emptyString('principaluri'));
} else {
$query->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)));
}
$result = $query->executeQuery();
$calendars = [];
while ($row = $result->fetch()) {
$row['principaluri'] = (string)$row['principaluri'];
$components = [];
if ($row['components']) {
$components = explode(',', $row['components']);
}
$calendar = [
'id' => $row['id'],
'uri' => $row['uri'],
'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken'] ?: '0'),
'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ?: '0',
'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $this->convertPrincipal($principalUri, !$this->legacyEndpoint),
];
$calendar = $this->rowToCalendar($row, $calendar);
$calendar = $this->addOwnerPrincipalToCalendar($calendar);
$calendar = $this->addResourceTypeToCalendar($row, $calendar);
if (!isset($calendars[$calendar['id']])) {
$calendars[$calendar['id']] = $calendar;
}
}
$result->closeCursor();
// query for shared calendars
$principals = $this->principalBackend->getGroupMembership($principalUriOriginal, true);
$principals = array_merge($principals, $this->principalBackend->getCircleMembership($principalUriOriginal));
$principals[] = $principalUri;
$fields = array_column($this->propertyMap, 0);
$fields = array_map(function (string $field) {
return 'a.' . $field;
}, $fields);
$fields[] = 'a.id';
$fields[] = 'a.uri';
$fields[] = 'a.synctoken';
$fields[] = 'a.components';
$fields[] = 'a.principaluri';
$fields[] = 'a.transparent';
$fields[] = 's.access';
$select = $this->db->getQueryBuilder();
$subSelect = $this->db->getQueryBuilder();
$subSelect->select('resourceid')
->from('dav_shares', 'd')
->where($subSelect->expr()->eq('d.access', $select->createNamedParameter(Backend::ACCESS_UNSHARED, IQueryBuilder::PARAM_INT), IQueryBuilder::PARAM_INT))
->andWhere($subSelect->expr()->in('d.principaluri', $select->createNamedParameter($principals, IQueryBuilder::PARAM_STR_ARRAY), IQueryBuilder::PARAM_STR_ARRAY));
$select->select($fields)
->from('dav_shares', 's')
->join('s', 'calendars', 'a', $select->expr()->eq('s.resourceid', 'a.id', IQueryBuilder::PARAM_INT))
->where($select->expr()->in('s.principaluri', $select->createNamedParameter($principals, IQueryBuilder::PARAM_STR_ARRAY), IQueryBuilder::PARAM_STR_ARRAY))
->andWhere($select->expr()->eq('s.type', $select->createNamedParameter('calendar', IQueryBuilder::PARAM_STR), IQueryBuilder::PARAM_STR))
->andWhere($select->expr()->notIn('a.id', $select->createFunction($subSelect->getSQL()), IQueryBuilder::PARAM_INT_ARRAY));
$results = $select->executeQuery();
$readOnlyPropertyName = '{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}read-only';
while ($row = $results->fetch()) {
$row['principaluri'] = (string)$row['principaluri'];
if ($row['principaluri'] === $principalUri) {
continue;
}
$readOnly = (int)$row['access'] === Backend::ACCESS_READ;
if (isset($calendars[$row['id']])) {
if ($readOnly) {
// New share can not have more permissions than the old one.
continue;
}
if (isset($calendars[$row['id']][$readOnlyPropertyName]) &&
$calendars[$row['id']][$readOnlyPropertyName] === 0) {
// Old share is already read-write, no more permissions can be gained
continue;
}
}
[, $name] = Uri\split($row['principaluri']);
$uri = $row['uri'] . '_shared_by_' . $name;
$row['displayname'] = $row['displayname'] . ' (' . ($this->userManager->getDisplayName($name) ?? ($name ?? '')) . ')';
$components = [];
if ($row['components']) {
$components = explode(',', $row['components']);
}
$calendar = [
'id' => $row['id'],
'uri' => $uri,
'principaluri' => $this->convertPrincipal($principalUri, !$this->legacyEndpoint),
'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken'] ?: '0'),
'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ?: '0',
'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp('transparent'),
'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
$readOnlyPropertyName => $readOnly,
];
$calendar = $this->rowToCalendar($row, $calendar);
$calendar = $this->addOwnerPrincipalToCalendar($calendar);
$calendar = $this->addResourceTypeToCalendar($row, $calendar);
$calendars[$calendar['id']] = $calendar;
}
$result->closeCursor();
return array_values($calendars);
}, $this->db);
}
/**
* @param $principalUri
* @return array
*/
public function getUsersOwnCalendars($principalUri) {
$principalUri = $this->convertPrincipal($principalUri, true);
$fields = array_column($this->propertyMap, 0);
$fields[] = 'id';
$fields[] = 'uri';
$fields[] = 'synctoken';
$fields[] = 'components';
$fields[] = 'principaluri';
$fields[] = 'transparent';
// Making fields a comma-delimited list
$query = $this->db->getQueryBuilder();
$query->select($fields)->from('calendars')
->where($query->expr()->eq('principaluri', $query->createNamedParameter($principalUri)))
->orderBy('calendarorder', 'ASC');
$stmt = $query->executeQuery();
$calendars = [];
while ($row = $stmt->fetch()) {
$row['principaluri'] = (string)$row['principaluri'];
$components = [];
if ($row['components']) {
$components = explode(',', $row['components']);
}
$calendar = [
'id' => $row['id'],
'uri' => $row['uri'],
'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken'] ?: '0'),
'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ?: '0',
'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
];
$calendar = $this->rowToCalendar($row, $calendar);
$calendar = $this->addOwnerPrincipalToCalendar($calendar);
$calendar = $this->addResourceTypeToCalendar($row, $calendar);
if (!isset($calendars[$calendar['id']])) {
$calendars[$calendar['id']] = $calendar;
}
}
$stmt->closeCursor();
return array_values($calendars);
}
/**
* @return array
*/
public function getPublicCalendars() {
$fields = array_column($this->propertyMap, 0);
$fields[] = 'a.id';
$fields[] = 'a.uri';
$fields[] = 'a.synctoken';
$fields[] = 'a.components';
$fields[] = 'a.principaluri';
$fields[] = 'a.transparent';
$fields[] = 's.access';
$fields[] = 's.publicuri';
$calendars = [];
$query = $this->db->getQueryBuilder();
$result = $query->select($fields)
->from('dav_shares', 's')
->join('s', 'calendars', 'a', $query->expr()->eq('s.resourceid', 'a.id'))
->where($query->expr()->in('s.access', $query->createNamedParameter(self::ACCESS_PUBLIC)))
->andWhere($query->expr()->eq('s.type', $query->createNamedParameter('calendar')))
->executeQuery();
while ($row = $result->fetch()) {
$row['principaluri'] = (string)$row['principaluri'];
[, $name] = Uri\split($row['principaluri']);
$row['displayname'] = $row['displayname'] . "($name)";
$components = [];
if ($row['components']) {
$components = explode(',', $row['components']);
}
$calendar = [
'id' => $row['id'],
'uri' => $row['publicuri'],
'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken'] ?: '0'),
'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ?: '0',
'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $this->convertPrincipal($row['principaluri'], $this->legacyEndpoint),
'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}read-only' => (int)$row['access'] === Backend::ACCESS_READ,
'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}public' => (int)$row['access'] === self::ACCESS_PUBLIC,
];
$calendar = $this->rowToCalendar($row, $calendar);
$calendar = $this->addOwnerPrincipalToCalendar($calendar);
$calendar = $this->addResourceTypeToCalendar($row, $calendar);
if (!isset($calendars[$calendar['id']])) {
$calendars[$calendar['id']] = $calendar;
}
}
$result->closeCursor();
return array_values($calendars);
}
/**
* @param string $uri
* @return array
* @throws NotFound
*/
public function getPublicCalendar($uri) {
$fields = array_column($this->propertyMap, 0);
$fields[] = 'a.id';
$fields[] = 'a.uri';
$fields[] = 'a.synctoken';
$fields[] = 'a.components';
$fields[] = 'a.principaluri';
$fields[] = 'a.transparent';
$fields[] = 's.access';
$fields[] = 's.publicuri';
$query = $this->db->getQueryBuilder();
$result = $query->select($fields)
->from('dav_shares', 's')
->join('s', 'calendars', 'a', $query->expr()->eq('s.resourceid', 'a.id'))
->where($query->expr()->in('s.access', $query->createNamedParameter(self::ACCESS_PUBLIC)))
->andWhere($query->expr()->eq('s.type', $query->createNamedParameter('calendar')))
->andWhere($query->expr()->eq('s.publicuri', $query->createNamedParameter($uri)))
->executeQuery();
$row = $result->fetch();
$result->closeCursor();
if ($row === false) {
throw new NotFound('Node with name \'' . $uri . '\' could not be found');
}
$row['principaluri'] = (string)$row['principaluri'];
[, $name] = Uri\split($row['principaluri']);
$row['displayname'] = $row['displayname'] . ' ' . "($name)";
$components = [];
if ($row['components']) {
$components = explode(',', $row['components']);
}
$calendar = [
'id' => $row['id'],
'uri' => $row['publicuri'],
'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken'] ?: '0'),
'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ?: '0',
'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}owner-principal' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}read-only' => (int)$row['access'] === Backend::ACCESS_READ,
'{' . \OCA\DAV\DAV\Sharing\Plugin::NS_OWNCLOUD . '}public' => (int)$row['access'] === self::ACCESS_PUBLIC,
];
$calendar = $this->rowToCalendar($row, $calendar);
$calendar = $this->addOwnerPrincipalToCalendar($calendar);
$calendar = $this->addResourceTypeToCalendar($row, $calendar);
return $calendar;
}
/**
* @param string $principal
* @param string $uri
* @return array|null
*/
public function getCalendarByUri($principal, $uri) {
$fields = array_column($this->propertyMap, 0);
$fields[] = 'id';
$fields[] = 'uri';
$fields[] = 'synctoken';
$fields[] = 'components';
$fields[] = 'principaluri';
$fields[] = 'transparent';
// Making fields a comma-delimited list
$query = $this->db->getQueryBuilder();
$query->select($fields)->from('calendars')
->where($query->expr()->eq('uri', $query->createNamedParameter($uri)))
->andWhere($query->expr()->eq('principaluri', $query->createNamedParameter($principal)))
->setMaxResults(1);
$stmt = $query->executeQuery();
$row = $stmt->fetch();
$stmt->closeCursor();
if ($row === false) {
return null;
}
$row['principaluri'] = (string)$row['principaluri'];
$components = [];
if ($row['components']) {
$components = explode(',', $row['components']);
}
$calendar = [
'id' => $row['id'],
'uri' => $row['uri'],
'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken'] ?: '0'),
'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ?: '0',
'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
];
$calendar = $this->rowToCalendar($row, $calendar);
$calendar = $this->addOwnerPrincipalToCalendar($calendar);
$calendar = $this->addResourceTypeToCalendar($row, $calendar);
return $calendar;
}
/**
* @return array{id: int, uri: string, '{http://calendarserver.org/ns/}getctag': string, '{http://sabredav.org/ns}sync-token': int, '{urn:ietf:params:xml:ns:caldav}supported-calendar-component-set': SupportedCalendarComponentSet, '{urn:ietf:params:xml:ns:caldav}schedule-calendar-transp': ScheduleCalendarTransp, '{urn:ietf:params:xml:ns:caldav}calendar-timezone': ?string }|null
*/
public function getCalendarById(int $calendarId): ?array {
$fields = array_column($this->propertyMap, 0);
$fields[] = 'id';
$fields[] = 'uri';
$fields[] = 'synctoken';
$fields[] = 'components';
$fields[] = 'principaluri';
$fields[] = 'transparent';
// Making fields a comma-delimited list
$query = $this->db->getQueryBuilder();
$query->select($fields)->from('calendars')
->where($query->expr()->eq('id', $query->createNamedParameter($calendarId)))
->setMaxResults(1);
$stmt = $query->executeQuery();
$row = $stmt->fetch();
$stmt->closeCursor();
if ($row === false) {
return null;
}
$row['principaluri'] = (string)$row['principaluri'];
$components = [];
if ($row['components']) {
$components = explode(',', $row['components']);
}
$calendar = [
'id' => $row['id'],
'uri' => $row['uri'],
'principaluri' => $this->convertPrincipal($row['principaluri'], !$this->legacyEndpoint),
'{' . Plugin::NS_CALENDARSERVER . '}getctag' => 'http://sabre.io/ns/sync/' . ($row['synctoken'] ?: '0'),
'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ?? 0,
'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet($components),
'{' . Plugin::NS_CALDAV . '}schedule-calendar-transp' => new ScheduleCalendarTransp($row['transparent']?'transparent':'opaque'),
];
$calendar = $this->rowToCalendar($row, $calendar);
$calendar = $this->addOwnerPrincipalToCalendar($calendar);
$calendar = $this->addResourceTypeToCalendar($row, $calendar);
return $calendar;
}
/**
* @param $subscriptionId
*/
public function getSubscriptionById($subscriptionId) {
$fields = array_column($this->subscriptionPropertyMap, 0);
$fields[] = 'id';
$fields[] = 'uri';
$fields[] = 'source';
$fields[] = 'synctoken';
$fields[] = 'principaluri';
$fields[] = 'lastmodified';
$query = $this->db->getQueryBuilder();
$query->select($fields)
->from('calendarsubscriptions')
->where($query->expr()->eq('id', $query->createNamedParameter($subscriptionId)))
->orderBy('calendarorder', 'asc');
$stmt = $query->executeQuery();
$row = $stmt->fetch();
$stmt->closeCursor();
if ($row === false) {
return null;
}
$row['principaluri'] = (string)$row['principaluri'];
$subscription = [
'id' => $row['id'],
'uri' => $row['uri'],
'principaluri' => $row['principaluri'],
'source' => $row['source'],
'lastmodified' => $row['lastmodified'],
'{' . Plugin::NS_CALDAV . '}supported-calendar-component-set' => new SupportedCalendarComponentSet(['VTODO', 'VEVENT']),
'{http://sabredav.org/ns}sync-token' => $row['synctoken'] ?: '0',
];
return $this->rowToSubscription($row, $subscription);
}
/**
* Creates a new calendar for a principal.
*
* If the creation was a success, an id must be returned that can be used to reference
* this calendar in other methods, such as updateCalendar.
*
* @param string $principalUri
* @param string $calendarUri
* @param array $properties
* @return int
*
* @throws CalendarException
*/
public function createCalendar($principalUri, $calendarUri, array $properties) {
if (strlen($calendarUri) > 255) {
throw new CalendarException('URI too long. Calendar not created');
}
$values = [
'principaluri' => $this->convertPrincipal($principalUri, true),
'uri' => $calendarUri,
'synctoken' => 1,
'transparent' => 0,
'components' => 'VEVENT,VTODO,VJOURNAL',
'displayname' => $calendarUri
];
// Default value
$sccs = '{urn:ietf:params:xml:ns:caldav}supported-calendar-component-set';
if (isset($properties[$sccs])) {
if (!($properties[$sccs] instanceof SupportedCalendarComponentSet)) {
throw new DAV\Exception('The ' . $sccs . ' property must be of type: \Sabre\CalDAV\Property\SupportedCalendarComponentSet');
}
$values['components'] = implode(',', $properties[$sccs]->getValue());
} elseif (isset($properties['components'])) {
// Allow to provide components internally without having
// to create a SupportedCalendarComponentSet object
$values['components'] = $properties['components'];
}
$transp = '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp';
if (isset($properties[$transp])) {
$values['transparent'] = (int)($properties[$transp]->getValue() === 'transparent');
}
foreach ($this->propertyMap as $xmlName => [$dbName, $type]) {
if (isset($properties[$xmlName])) {
$values[$dbName] = $properties[$xmlName];
}
}
[$calendarId, $calendarData] = $this->atomic(function () use ($values) {
$query = $this->db->getQueryBuilder();
$query->insert('calendars');
foreach ($values as $column => $value) {
$query->setValue($column, $query->createNamedParameter($value));
}
$query->executeStatement();
$calendarId = $query->getLastInsertId();
$calendarData = $this->getCalendarById($calendarId);
return [$calendarId, $calendarData];
}, $this->db);
$this->dispatcher->dispatchTyped(new CalendarCreatedEvent((int)$calendarId, $calendarData));
return $calendarId;
}
/**
* Updates properties for a calendar.
*
* The list of mutations is stored in a Sabre\DAV\PropPatch object.
* To do the actual updates, you must tell this object which properties
* you're going to process with the handle() method.
*
* Calling the handle method is like telling the PropPatch object "I
* promise I can handle updating this property".
*
* Read the PropPatch documentation for more info and examples.
*
* @param mixed $calendarId
* @param PropPatch $propPatch
* @return void
*/
public function updateCalendar($calendarId, PropPatch $propPatch) {
$supportedProperties = array_keys($this->propertyMap);
$supportedProperties[] = '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp';
$propPatch->handle($supportedProperties, function ($mutations) use ($calendarId) {
$newValues = [];
foreach ($mutations as $propertyName => $propertyValue) {
switch ($propertyName) {
case '{' . Plugin::NS_CALDAV . '}schedule-calendar-transp':
$fieldName = 'transparent';
$newValues[$fieldName] = (int)($propertyValue->getValue() === 'transparent');
break;
default:
$fieldName = $this->propertyMap[$propertyName][0];
$newValues[$fieldName] = $propertyValue;
break;
}
}
[$calendarData, $shares] = $this->atomic(function () use ($calendarId, $newValues) {
$query = $this->db->getQueryBuilder();
$query->update('calendars');
foreach ($newValues as $fieldName => $value) {
$query->set($fieldName, $query->createNamedParameter($value));
}
$query->where($query->expr()->eq('id', $query->createNamedParameter($calendarId)));
$query->executeStatement();
$this->addChanges($calendarId, [''], 2);
$calendarData = $this->getCalendarById($calendarId);
$shares = $this->getShares($calendarId);
return [$calendarData, $shares];
}, $this->db);
$this->dispatcher->dispatchTyped(new CalendarUpdatedEvent($calendarId, $calendarData, $shares, $mutations));
return true;
});
}
/**
* Delete a calendar and all it's objects
*
* @param mixed $calendarId
* @return void
*/
public function deleteCalendar($calendarId, bool $forceDeletePermanently = false) {
$this->atomic(function () use ($calendarId, $forceDeletePermanently): void {
// The calendar is deleted right away if this is either enforced by the caller
// or the special contacts birthday calendar or when the preference of an empty
// retention (0 seconds) is set, which signals a disabled trashbin.
$calendarData = $this->getCalendarById($calendarId);
$isBirthdayCalendar = isset($calendarData['uri']) && $calendarData['uri'] === BirthdayService::BIRTHDAY_CALENDAR_URI;
$trashbinDisabled = $this->config->getAppValue(Application::APP_ID, RetentionService::RETENTION_CONFIG_KEY) === '0';
if ($forceDeletePermanently || $isBirthdayCalendar || $trashbinDisabled) {
$calendarData = $this->getCalendarById($calendarId);
$shares = $this->getShares($calendarId);
$qbDeleteCalendarObjectProps = $this->db->getQueryBuilder();
$qbDeleteCalendarObjectProps->delete($this->dbObjectPropertiesTable)
->where($qbDeleteCalendarObjectProps->expr()->eq('calendarid', $qbDeleteCalendarObjectProps->createNamedParameter($calendarId)))
->andWhere($qbDeleteCalendarObjectProps->expr()->eq('calendartype', $qbDeleteCalendarObjectProps->createNamedParameter(self::CALENDAR_TYPE_CALENDAR)))
->executeStatement();
$qbDeleteCalendarObjects = $this->db->getQueryBuilder();
$qbDeleteCalendarObjects->delete('calendarobjects')
->where($qbDeleteCalendarObjects->expr()->eq('calendarid', $qbDeleteCalendarObjects->createNamedParameter($calendarId)))
->andWhere($qbDeleteCalendarObjects->expr()->eq('calendartype', $qbDeleteCalendarObjects->createNamedParameter(self::CALENDAR_TYPE_CALENDAR)))
->executeStatement();
$qbDeleteCalendarChanges = $this->db->getQueryBuilder();
$qbDeleteCalendarChanges->delete('calendarchanges')
->where($qbDeleteCalendarChanges->expr()->eq('calendarid', $qbDeleteCalendarChanges->createNamedParameter($calendarId)))
->andWhere($qbDeleteCalendarChanges->expr()->eq('calendartype', $qbDeleteCalendarChanges->createNamedParameter(self::CALENDAR_TYPE_CALENDAR)))
->executeStatement();
$this->calendarSharingBackend->deleteAllShares($calendarId);
$qbDeleteCalendar = $this->db->getQueryBuilder();
$qbDeleteCalendar->delete('calendars')
->where($qbDeleteCalendar->expr()->eq('id', $qbDeleteCalendar->createNamedParameter($calendarId)))
->executeStatement();
// Only dispatch if we actually deleted anything
if ($calendarData) {
$this->dispatcher->dispatchTyped(new CalendarDeletedEvent($calendarId, $calendarData, $shares));
}
} else {
$qbMarkCalendarDeleted = $this->db->getQueryBuilder();
$qbMarkCalendarDeleted->update('calendars')
->set('deleted_at', $qbMarkCalendarDeleted->createNamedParameter(time()))
->where($qbMarkCalendarDeleted->expr()->eq('id', $qbMarkCalendarDeleted->createNamedParameter($calendarId)))
->executeStatement();
$calendarData = $this->getCalendarById($calendarId);
$shares = $this->getShares($calendarId);
if ($calendarData) {
$this->dispatcher->dispatchTyped(new CalendarMovedToTrashEvent(
$calendarId,
$calendarData,
$shares
));
}
}
}, $this->db);
}
public function restoreCalendar(int $id): void {
$this->atomic(function () use ($id): void {
$qb = $this->db->getQueryBuilder();
$update = $qb->update('calendars')
->set('deleted_at', $qb->createNamedParameter(null))
->where($qb->expr()->eq('id', $qb->createNamedParameter($id, IQueryBuilder::PARAM_INT), IQueryBuilder::PARAM_INT));
$update->executeStatement();
$calendarData = $this->getCalendarById($id);
$shares = $this->getShares($id);
if ($calendarData === null) {
throw new RuntimeException('Calendar data that was just written can\'t be read back. Check your database configuration.');
}
$this->dispatcher->dispatchTyped(new CalendarRestoredEvent(
$id,
$calendarData,
$shares
));
}, $this->db);
}
/**
* Returns all calendar objects with limited metadata for a calendar
*
* Every item contains an array with the following keys:
* * id - the table row id
* * etag - An arbitrary string
* * uri - a unique key which will be used to construct the uri. This can
* be any arbitrary string.
* * calendardata - The iCalendar-compatible calendar data
*
* @param mixed $calendarId
* @param int $calendarType
* @return array
*/
public function getLimitedCalendarObjects(int $calendarId, int $calendarType = self::CALENDAR_TYPE_CALENDAR):array {
$query = $this->db->getQueryBuilder();
$query->select(['id','uid', 'etag', 'uri', 'calendardata'])
->from('calendarobjects')
->where($query->expr()->eq('calendarid', $query->createNamedParameter($calendarId)))
->andWhere($query->expr()->eq('calendartype', $query->createNamedParameter($calendarType)))
->andWhere($query->expr()->isNull('deleted_at'));
$stmt = $query->executeQuery();
$result = [];
while (($row = $stmt->fetch()) !== false) {
$result[$row['uid']] = [
'id' => $row['id'],
'etag' => $row['etag'],
'uri' => $row['uri'],
'calendardata' => $row['calendardata'],
];
}
$stmt->closeCursor();
return $result;
}
/**
* Delete all of an user's shares
*
* @param string $principaluri
* @return void
*/
public function deleteAllSharesByUser($principaluri) {
$this->calendarSharingBackend->deleteAllSharesByUser($principaluri);
}
/**
* Returns all calendar objects within a calendar.
*
* Every item contains an array with the following keys:
* * calendardata - The iCalendar-compatible calendar data