/
SOGoActiveSyncDispatcher+Sync.m
2613 lines (2187 loc) · 105 KB
/
SOGoActiveSyncDispatcher+Sync.m
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
/*
Copyright (c) 2014, Inverse inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of the Inverse inc. nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "SOGoActiveSyncDispatcher+Sync.h"
#import <Foundation/NSArray.h>
#import <Foundation/NSAutoreleasePool.h>
#import <Foundation/NSCalendarDate.h>
#import <Foundation/NSNull.h>
#import <Foundation/NSProcessInfo.h>
#import <Foundation/NSSortDescriptor.h>
#import <Foundation/NSTimeZone.h>
#import <Foundation/NSURL.h>
#import <Foundation/NSValue.h>
#import <NGObjWeb/NSException+HTTP.h>
#import <NGObjWeb/SoApplication.h>
#import <NGObjWeb/SoObject.h>
#import <NGObjWeb/WOContext.h>
#import <NGObjWeb/WOContext+SoObjects.h>
#import <NGObjWeb/WOCookie.h>
#import <NGObjWeb/WODirectAction.h>
#import <NGObjWeb/WORequest.h>
#import <NGObjWeb/WOResponse.h>
#import <NGCards/iCalCalendar.h>
#import <NGCards/iCalEntityObject.h>
#import <NGCards/iCalEvent.h>
#import <NGCards/iCalPerson.h>
#import <NGCards/iCalToDo.h>
#import <NGCards/NGVCard.h>
#import <NGExtensions/NSCalendarDate+misc.h>
#import <NGExtensions/NSObject+Logs.h>
#import <NGExtensions/NSString+misc.h>
#import <NGImap4/NSString+Imap4.h>
#import <DOM/DOMElement.h>
#import <DOM/DOMProtocols.h>
#import <EOControl/EOQualifier.h>
#import <SOGo/NSArray+DAV.h>
#import <SOGo/SOGoCache.h>
#import <SOGo/NSDictionary+DAV.h>
#import <SOGo/SOGoDAVAuthenticator.h>
#import <SOGo/SOGoDomainDefaults.h>
#import <SOGo/SOGoMailer.h>
#import <SOGo/SOGoSystemDefaults.h>
#import <SOGo/SOGoUser.h>
#import <SOGo/SOGoCacheGCSObject.h>
#import <SOGo/SOGoPermissions.h>
#import <NGCards/iCalCalendar.h>
#import <Appointments/iCalEntityObject+SOGo.h>
#import <Appointments/SOGoAppointmentObject.h>
#import <Appointments/SOGoAppointmentFolder.h>
#import <Appointments/SOGoAppointmentFolders.h>
#import <Appointments/SOGoTaskObject.h>
#import <Appointments/SOGoAppointmentFolder.h>
#import <Contacts/SOGoContactGCSEntry.h>
#import <Contacts/SOGoContactGCSFolder.h>
#import <Contacts/SOGoContactFolders.h>
#import <Contacts/SOGoContactSourceFolder.h>
#import <Mailer/SOGoMailAccount.h>
#import <Mailer/SOGoMailAccounts.h>
#import <Mailer/SOGoMailFolder.h>
#import <Mailer/SOGoMailObject.h>
#import <Foundation/NSObject.h>
#import <Foundation/NSString.h>
#import <Mailer/SOGoMailNamespace.h>
#include "iCalEvent+ActiveSync.h"
#include "iCalToDo+ActiveSync.h"
#include "NGDOMElement+ActiveSync.h"
#include "NGVCard+ActiveSync.h"
#include "NSCalendarDate+ActiveSync.h"
#include "NSDate+ActiveSync.h"
#include "NSData+ActiveSync.h"
#include "NSString+ActiveSync.h"
#include "SOGoActiveSyncConstants.h"
#include "SOGoMailObject+ActiveSync.h"
#include "SOGoSyncCacheObject.h"
#include <unistd.h>
@implementation SOGoActiveSyncDispatcher (Sync)
- (void) _setOrUnsetSyncRequest: (BOOL) set
collections: (NSArray *) collections
{
SOGoCacheGCSObject *o;
NSNumber *processIdentifier;
NSString *key, *collectionId;;
int i;
processIdentifier = [NSNumber numberWithInt: [[NSProcessInfo processInfo] processIdentifier]];
o = [SOGoCacheGCSObject objectWithName: [context objectForKey: @"DeviceId"] inContainer: nil useCache: NO];
[o setObjectType: ActiveSyncGlobalCacheObject];
[o setTableUrl: [self folderTableURL]];
[o reloadIfNeeded];
if (set)
{
RELEASE(syncRequest);
syncRequest = [NSNumber numberWithUnsignedInt: [[NSCalendarDate date] timeIntervalSince1970]];
RETAIN(syncRequest);
[[o properties] setObject: syncRequest forKey: @"SyncRequest"];
for (i = 0; i < [collections count]; i++)
{
if ([[collections objectAtIndex: i] isKindOfClass: [NSString class]])
collectionId = [collections objectAtIndex: i];
else
collectionId = [[[(id)[[collections objectAtIndex: i] getElementsByTagName: @"CollectionId"] lastObject] textValue] stringByUnescapingURL];
key = [NSString stringWithFormat: @"SyncRequest+%@", collectionId];
[[o properties] setObject: processIdentifier forKey: key];
}
}
else
{
[[o properties] removeObjectForKey: @"SyncRequest"];
for (i = 0; i < [collections count]; i++)
{
if ([[collections objectAtIndex: i] isKindOfClass: [NSString class]])
collectionId = [collections objectAtIndex: i];
else
collectionId = [[[(id)[[collections objectAtIndex: i] getElementsByTagName: @"CollectionId"] lastObject] textValue] stringByUnescapingURL];
key = [NSString stringWithFormat: @"SyncRequest+%@", collectionId];
[[o properties] removeObjectForKey: key];
}
}
[o save];
}
- (void) _setFolderMetadata: (NSDictionary *) theFolderMetadata
forKey: (NSString *) theFolderKey
{
NSNumber *processIdentifier, *processIdentifierInCache;
SOGoCacheGCSObject *o;
NSDictionary *values;
NSString *key, *pkey;
NSArray *a;
if ([theFolderKey hasPrefix: @"folder"])
key = [NSString stringWithFormat: @"SyncRequest+mail/%@", [theFolderKey substringFromIndex: 6]];
else
key = [NSString stringWithFormat: @"SyncRequest+%@", theFolderKey];
processIdentifier = [NSNumber numberWithInt: [[NSProcessInfo processInfo] processIdentifier]];
processIdentifierInCache = [[self globalMetadataForDevice] objectForKey: key];
// Don't update the cache if another request is processing the same collection.
// I case of a merged folder we have to check personal folder's lock.
a = [key componentsSeparatedByString: @"/"];
pkey = [NSString stringWithFormat: @"%@/personal", [a objectAtIndex:0]];
if (!([processIdentifierInCache isEqual: processIdentifier] || [[[self globalMetadataForDevice] objectForKey: pkey] isEqual: processIdentifier]))
{
if (debugOn)
[self logWithFormat: @"EAS - We lost our lock - discard folder cache update %@ %@ <> %@", key, processIdentifierInCache, processIdentifier];
return;
}
key = [NSString stringWithFormat: @"%@+%@", [context objectForKey: @"DeviceId"], theFolderKey];
values = [theFolderMetadata copy];
o = [SOGoCacheGCSObject objectWithName: key inContainer: nil];
[o setObjectType: ActiveSyncFolderCacheObject];
[o setTableUrl: [self folderTableURL]];
//[o reloadIfNeeded];
[[o properties] removeObjectForKey: @"SyncKey"];
[[o properties] removeObjectForKey: @"SyncCache"];
[[o properties] removeObjectForKey: @"DateCache"];
[[o properties] removeObjectForKey: @"UidCache"];
[[o properties] removeObjectForKey: @"MoreAvailable"];
[[o properties] removeObjectForKey: @"FolderPermissions"];
[[o properties] removeObjectForKey: @"BodyPreferenceType"];
[[o properties] removeObjectForKey: @"SupportedElements"];
[[o properties] removeObjectForKey: @"SuccessfulMoveItemsOps"];
[[o properties] removeObjectForKey: @"InitialLoadSequence"];
[[o properties] removeObjectForKey: @"FirstIdInCache"];
[[o properties] removeObjectForKey: @"LastIdInCache"];
[[o properties] removeObjectForKey: @"MergedFoldersSyncKeys"];
[[o properties] removeObjectForKey: @"MergedFolder"];
[[o properties] removeObjectForKey: @"CleanoutDate"];
[[o properties] addEntriesFromDictionary: values];
[o save];
[values release];
}
- (NSMutableDictionary *) _folderMetadataForKey: (NSString *) theFolderKey
{
SOGoCacheGCSObject *o;
NSString *key;
key = [NSString stringWithFormat: @"%@+%@", [context objectForKey: @"DeviceId"], theFolderKey];
o = [SOGoCacheGCSObject objectWithName: key inContainer: nil];
[o setObjectType: ActiveSyncFolderCacheObject];
[o setTableUrl: [self folderTableURL]];
[o reloadIfNeeded];
return [o properties];
}
- (NSString *) _getNameInCache: (id) theCollection withType: (SOGoMicrosoftActiveSyncFolderType) theFolderType
{
NSString *nameInCache;
if (theFolderType == ActiveSyncMailFolder)
nameInCache = [imapFolderGUIDS objectForKey: [theCollection nameInContainer]];
else
{
NSString *component_name;
if (theFolderType == ActiveSyncContactFolder)
component_name = @"vcard";
else if (theFolderType == ActiveSyncEventFolder)
component_name = @"vevent";
else
component_name = @"vtodo";
nameInCache = [NSString stringWithFormat: @"%@/%@", component_name, [theCollection nameInContainer]];
}
return nameInCache;
}
- (void) _removeAllAlarmsFromCalendar: (iCalCalendar *) theCalendar
{
NSArray *allComponents;
iCalEntityObject *currentComponent;
NSUInteger count, max;
if (debugOn)
[self logWithFormat: @"EAS - Remove all alarms"];
allComponents = [theCalendar allObjects];
max = [allComponents count];
for (count = 0; count < max; count++)
{
currentComponent = [allComponents objectAtIndex: count];
if ([currentComponent isKindOfClass: [iCalEvent class]] ||
[currentComponent isKindOfClass: [iCalToDo class]])
[currentComponent removeAllAlarms];
}
}
//
// <?xml version="1.0"?>
// <!DOCTYPE ActiveSync PUBLIC "-//MICROSOFT//DTD ActiveSync//EN" "http://www.microsoft.com/">
// <Sync xmlns="AirSync:">
// <Collections>
// <Collection>
// <SyncKey>1388757902</SyncKey>
// <CollectionId>vcard/personal</CollectionId>
// <GetChanges/>
// <WindowSize>25</WindowSize>
// <Options>
// <BodyPreference xmlns="AirSyncBase:">
// <Type>1</Type>
// <TruncationSize>32768</TruncationSize>
// </BodyPreference>
// </Options>
// <Commands>
// <Add>
// <ClientId>16</ClientId>
// <ApplicationData>
// <Body xmlns="AirSyncBase:">
// <Type>1</Type>
// <Data/>
// </Body>
// <CompanyName xmlns="Contacts:">Goo Inc.</CompanyName>
// <Email1Address xmlns="Contacts:">annie@broccoli.com</Email1Address>
// <FileAs xmlns="Contacts:">Broccoli, Annie</FileAs>
// <FirstName xmlns="Contacts:">Annie</FirstName>
// <LastName xmlns="Contacts:">Broccoli</LastName>
// <Picture xmlns="Contacts:"/>
// </ApplicationData>
// </Add>
// </Commands>
// </Collection>
// </Collections>
// </Sync>
//
- (void) processSyncAddCommand: (id <DOMElement>) theDocumentElement
inCollection: (id) theCollection
withType: (SOGoMicrosoftActiveSyncFolderType) theFolderType
inBuffer: (NSMutableString *) theBuffer
{
NSMutableDictionary *folderMetadata, *dateCache, *syncCache, *uidCache, *allValues;
NSString *clientId, *serverId, *easId;
NSArray *additions, *roles;
id anAddition, sogoObject, o;
BOOL is_new;
int i;
additions = (id)[theDocumentElement getElementsByTagName: @"Add"];
if ([additions count])
{
for (i = 0; i < [additions count]; i++)
{
anAddition = [additions objectAtIndex: i];
is_new = YES;
clientId = [[(id)[anAddition getElementsByTagName: @"ClientId"] lastObject] textValue];
allValues = [NSMutableDictionary dictionaryWithDictionary: [[(id)[anAddition getElementsByTagName: @"ApplicationData"] lastObject] applicationData]];
switch (theFolderType)
{
case ActiveSyncContactFolder:
{
serverId = [NSString stringWithFormat: @"%@.vcf", [theCollection globallyUniqueObjectId]];
sogoObject = [[SOGoContactGCSEntry alloc] initWithName: serverId
inContainer: theCollection];
[sogoObject autorelease];
o = [sogoObject vCard];
}
break;
case ActiveSyncEventFolder:
{
// Before adding a new appointment, we check if one is already present with the same UID. If that's
// the case, let's just update it. This can happen if for example, an iOS based device receives the
// invitation email and choses "Add to calendar" BEFORE actually syncing the calendar. That would
// create a duplicate on the server.
if ([allValues objectForKey: @"UID"])
serverId = [allValues objectForKey: @"UID"];
else
serverId = [theCollection globallyUniqueObjectId];
sogoObject = [theCollection lookupName: [serverId sanitizedServerIdWithType: theFolderType]
inContext: context
acquire: NO];
// If object isn't found, we 'create' a new one
if ([sogoObject isKindOfClass: [NSException class]])
{
sogoObject = [[SOGoAppointmentObject alloc] initWithName: [serverId sanitizedServerIdWithType: theFolderType]
inContainer: theCollection];
[sogoObject autorelease];
o = [sogoObject component: YES secure: NO];
}
else
{
o = [sogoObject component: NO secure: NO];
is_new = NO;
}
}
break;
case ActiveSyncTaskFolder:
{
serverId = [NSString stringWithFormat: @"%@.ics", [theCollection globallyUniqueObjectId]];
sogoObject = [[SOGoTaskObject alloc] initWithName: serverId
inContainer: theCollection];
[sogoObject autorelease];
o = [sogoObject component: YES secure: NO];
}
break;
case ActiveSyncMailFolder:
default:
{
// FIXME - what to do?
[self errorWithFormat: @"Fatal error occured - tried to call -processSyncAddCommand: ... on a mail folder. We abort."];
abort();
}
}
roles = [theCollection aclsForUser: [[context activeUser] login]];
if (![roles containsObject: SOGoRole_ObjectCreator] && ![[sogoObject ownerInContext: context] isEqualToString: [[context activeUser] login]])
{
// This will trigger a delete-command to remove the component without proper permission.
// FIXME: ultimately, we need to find a better way to create a phantom object in the user's calendar
// and delete it to keep the transactional process in shape. We could also create a deleted one right way
// We strip any attendees from the values as we don't want to send bogus invitation emails
[allValues removeObjectForKey: @"Attendees"];
[o takeActiveSyncValues: allValues inContext: context];
[sogoObject setIsNew: YES];
[sogoObject saveComponent: o];
[sogoObject delete];
}
else
{
[o takeActiveSyncValues: allValues inContext: context];
[sogoObject setIsNew: is_new];
[sogoObject saveComponent: o];
}
// Update syncCache
folderMetadata = [self _folderMetadataForKey: [self _getNameInCache: theCollection withType: theFolderType]];
syncCache = [folderMetadata objectForKey: @"SyncCache"];
dateCache = [folderMetadata objectForKey: @"DateCache"];
uidCache = [folderMetadata objectForKey: @"UidCache"];
if (uidCache)
{
if (is_new && [serverId length] > 64)
{
easId = [theCollection globallyUniqueObjectId];
[uidCache setObject: easId forKey: serverId];
if (debugOn)
[self logWithFormat: @"EAS - Generated new easId: %@ for serverId: %@", easId, serverId];
}
else
{
easId = [uidCache objectForKey: serverId];
if (easId)
{
if (debugOn)
[self logWithFormat: @"EAS - Reuse easId: %@ for serverId: %@", easId, serverId];
}
else
{
if (debugOn)
[self logWithFormat: @"EAS - Use original serverId: %@ %@", serverId, easId];
easId = serverId;
}
}
}
else
easId = serverId;
[syncCache setObject: [NSString stringWithFormat:@"%f", [[sogoObject lastModified] timeIntervalSince1970]] forKey: serverId];
[dateCache setObject: [NSCalendarDate date] forKey: serverId];
// make sure to pickup the delete immediately if we don't have proper permission to add
if (![roles containsObject: SOGoRole_ObjectCreator] && ![[sogoObject ownerInContext: context] isEqualToString: [[context activeUser] login]])
[folderMetadata setObject: [NSNumber numberWithBool: YES] forKey: @"MoreAvailable"];
[self _setFolderMetadata: folderMetadata forKey: [self _getNameInCache: theCollection withType: theFolderType]];
// Everything is fine, lets generate our response
[theBuffer appendString: @"<Add>"];
[theBuffer appendFormat: @"<ClientId>%@</ClientId>", clientId];
[theBuffer appendFormat: @"<ServerId>%@</ServerId>", easId];
[theBuffer appendFormat: @"<Status>%d</Status>", 1];
[theBuffer appendString: @"</Add>"];
}
}
}
//
// <?xml version="1.0"?>
// <!DOCTYPE ActiveSync PUBLIC "-//MICROSOFT//DTD ActiveSync//EN" "http://www.microsoft.com/">
// <Sync xmlns="AirSync:">
// <Collections>
// <Collection>
// <SyncKey>1387546048</SyncKey>
// <CollectionId>vtodo/personal</CollectionId>
// <GetChanges/>
// <WindowSize>25</WindowSize>
// <Options>
// <BodyPreference xmlns="AirSyncBase:">
// <Type>1</Type>
// <TruncationSize>32768</TruncationSize>
// </BodyPreference>
// </Options>
// <Commands>
// <Change>
// <ServerId>36C5-52B36280-1-27B38F40.ics</ServerId>
// <ApplicationData>
// <Body xmlns="AirSyncBase:">
// <Type>1</Type>
// <Data/>
// </Body>
// <Subject xmlns="Tasks:">foobar1</Subject>
// <Importance xmlns="Tasks:">1</Importance>
// <Complete xmlns="Tasks:">0</Complete>
// <Sensitivity xmlns="Tasks:">0</Sensitivity>
// <ReminderSet xmlns="Tasks:">0</ReminderSet>
// </ApplicationData>
// </Change>
// </Commands>
// </Collection>
// </Collections>
// </Sync>
//
- (void) processSyncChangeCommand: (id <DOMElement>) theDocumentElement
inCollection: (id) theCollection
withType: (SOGoMicrosoftActiveSyncFolderType) theFolderType
inBuffer: (NSMutableString *) theBuffer
{
NSDictionary *allChanges;
NSString *serverId, *easId, *origServerId, *mergedFolder;
NSArray *changes, *a, *roles;
id aChange, o, sogoObject;
NSMutableDictionary *folderMetadata, *syncCache, *uidCache;
int i;
changes = (id)[theDocumentElement getElementsByTagName: @"Change"];
if ([changes count])
{
folderMetadata = [self _folderMetadataForKey: [self _getNameInCache: theCollection withType: theFolderType]];
syncCache = [folderMetadata objectForKey: @"SyncCache"];
uidCache = [folderMetadata objectForKey: @"UidCache"];
for (i = 0; i < [changes count]; i++)
{
aChange = [changes objectAtIndex: i];
origServerId = [[(id)[aChange getElementsByTagName: @"ServerId"] lastObject] textValue];
easId = origServerId;
a = [origServerId componentsSeparatedByString: @"{+}"];
if ([a count] > 1)
{
easId = [a objectAtIndex: 1];
mergedFolder = [a objectAtIndex: 0];
// Make sure that the change goes to the target folder and not to personal.
if ([[theCollection nameInContainer] isEqualToString: @"personal"])
{
if (debugOn)
[self logWithFormat: @"EAS - Change - Target folder %@, easId %@", mergedFolder, easId];
[self processSyncChangeCommand: theDocumentElement
inCollection: [self collectionFromId: mergedFolder type: theFolderType]
withType: theFolderType
inBuffer: theBuffer];
continue;
}
}
if (debugOn)
[self logWithFormat: @"EAS - Change - Process change for folder %@ easId %@", [theCollection nameInContainer],easId];
allChanges = [[(id)[aChange getElementsByTagName: @"ApplicationData"] lastObject] applicationData];
if (uidCache && (serverId = [[uidCache allKeysForObject: easId] objectAtIndex: 0]))
{
if (debugOn)
[self logWithFormat: @"EAS - Found serverId: %@ for easId: %@", serverId, easId];
}
else
serverId = easId;
// Fetch the object and apply the changes
sogoObject = [theCollection lookupName: [serverId sanitizedServerIdWithType: theFolderType]
inContext: context
acquire: NO];
// Object was removed inbetween sync/commands?
if ([sogoObject isKindOfClass: [NSException class]])
{
[theBuffer appendString: @"<Change>"];
[theBuffer appendFormat: @"<ServerId>%@</ServerId>", origServerId];
[theBuffer appendFormat: @"<Status>%d</Status>", 8];
[theBuffer appendString: @"</Change>"];
continue;
}
switch (theFolderType)
{
case ActiveSyncContactFolder:
{
roles = [sogoObject aclsForUser:[[context activeUser] login]];
o = [sogoObject vCard];
// Don't update the component without proper permission
if (([roles containsObject: SOGoRole_ObjectEditor] || [[sogoObject ownerInContext: context] isEqualToString: [[context activeUser] login]]))
{
[o takeActiveSyncValues: allChanges inContext: context];
[sogoObject saveComponent: o];
if ([syncCache objectForKey: serverId])
[syncCache setObject: [NSString stringWithFormat: @"%f", [[sogoObject lastModified] timeIntervalSince1970]] forKey: serverId];
}
// Trigger a change-command to override client changes since we don't have permissions
else
[sogoObject touch];
}
break;
case ActiveSyncEventFolder:
case ActiveSyncTaskFolder:
{
roles = [sogoObject aclsForUser:[[context activeUser] login]];
o = [sogoObject component: NO secure: NO];
if (theFolderType == ActiveSyncEventFolder &&
[(iCalEvent *)o userIsAttendee: [context activeUser]])
{
// Don't update the component without proper permission
if ([roles containsObject: SOGoCalendarRole_ComponentResponder] || [[sogoObject ownerInContext: context] isEqualToString: [[context activeUser] login]])
{
[o changeParticipationStatus: allChanges inContext: context component: sogoObject];
if ([syncCache objectForKey: serverId])
[syncCache setObject: [NSString stringWithFormat: @"%f", [[sogoObject lastModified] timeIntervalSince1970]] forKey: serverId];
}
// Trigger a change-command to override client changes since we don't have permissions
else
[sogoObject touch];
}
else
{
// Don't update the component without proper permission
if ([roles containsObject: SOGoCalendarRole_ComponentModifier] || [[sogoObject ownerInContext: context] isEqualToString: [[context activeUser] login]])
{
[o takeActiveSyncValues: allChanges inContext: context];
[sogoObject saveComponent: o];
if ([syncCache objectForKey: serverId])
[syncCache setObject: [NSString stringWithFormat: @"%f", [[sogoObject lastModified] timeIntervalSince1970]] forKey: serverId];
}
// Trigger a change-command to override client changes since we don't have permissions
else
[sogoObject touch];
}
}
break;
case ActiveSyncMailFolder:
default:
{
NSDictionary *result;
NSNumber *modseq;
[sogoObject takeActiveSyncValues: allChanges inContext: context];
result = [sogoObject fetchParts: [NSArray arrayWithObject: @"MODSEQ"]];
modseq = [[[result objectForKey: @"RawResponse"] objectForKey: @"fetch"] objectForKey: @"modseq"];
if (modseq && [syncCache objectForKey: serverId])
[syncCache setObject: [modseq stringValue] forKey: serverId];
}
}
[self _setFolderMetadata: folderMetadata forKey: [self _getNameInCache: theCollection withType: theFolderType]];
[theBuffer appendString: @"<Change>"];
[theBuffer appendFormat: @"<ServerId>%@</ServerId>", origServerId];
[theBuffer appendFormat: @"<Status>%d</Status>", 1];
[theBuffer appendString: @"</Change>"];
}
}
}
//
// <?xml version="1.0"?>
// <!DOCTYPE ActiveSync PUBLIC "-//MICROSOFT//DTD ActiveSync//EN" "http://www.microsoft.com/">
// <Sync xmlns="AirSync:">
// <Collections>
// <Collection>
// <SyncKey>1388764784</SyncKey>
// <CollectionId>vtodo/personal</CollectionId>
// <GetChanges/>
// <WindowSize>25</WindowSize>
// <Options>
// <BodyPreference xmlns="AirSyncBase:">
// <Type>1</Type>
// <TruncationSize>32768</TruncationSize>
// </BodyPreference>
// </Options>
// <Commands>
// <Delete>
// <ServerId>2CB5-52B36080-1-1C1D0240.ics</ServerId>
// </Delete>
// </Commands>
// </Collection>
// </Collections>
// </Sync>
//
- (void) processSyncDeleteCommand: (id <DOMElement>) theDocumentElement
inCollection: (id) theCollection
withType: (SOGoMicrosoftActiveSyncFolderType) theFolderType
inBuffer: (NSMutableString *) theBuffer
{
NSString *serverId, *easId, *origServerId, *mergedFolder;
NSArray *deletions, *a, *roles;
id aDelete, sogoObject, value;
BOOL deletesAsMoves, useTrash;
int i;
deletions = (id)[theDocumentElement getElementsByTagName: @"Delete"];
if ([deletions count])
{
NSMutableDictionary *folderMetadata, *uidCache;
folderMetadata = [self _folderMetadataForKey: [self _getNameInCache: theCollection withType: theFolderType]];
uidCache = [folderMetadata objectForKey: @"UidCache"];
// From the documention, if DeletesAsMoves is missing, we must assume it's a YES.
// See https://msdn.microsoft.com/en-us/library/gg675480(v=exchg.80).aspx for all details.
value = [theDocumentElement getElementsByTagName: @"DeletesAsMoves"];
deletesAsMoves = YES;
useTrash = YES;
if ([value count] && [[[value lastObject] textValue] length])
deletesAsMoves = [[[value lastObject] textValue] boolValue];
for (i = 0; i < [deletions count]; i++)
{
aDelete = [deletions objectAtIndex: i];
origServerId = [[(id)[aDelete getElementsByTagName: @"ServerId"] lastObject] textValue];
easId = origServerId;
a = [origServerId componentsSeparatedByString: @"{+}"];
if ([a count] > 1)
{
easId = [a objectAtIndex: 1];
mergedFolder = [a objectAtIndex: 0];
// Make sure that the delete goes to the target folder and not to personal.
if ([[theCollection nameInContainer] isEqualToString: @"personal"])
{
if (debugOn)
[self logWithFormat: @"EAS - Delete - Target folder %@, easId %@", mergedFolder, easId];
[self processSyncDeleteCommand: theDocumentElement
inCollection: [self collectionFromId: mergedFolder type: theFolderType]
withType: theFolderType
inBuffer: theBuffer];
continue;
}
}
if (debugOn)
[self logWithFormat: @"EAS - Delete - Process delete for folder %@ easId %@", [theCollection nameInContainer],easId];
if (uidCache && (serverId = [[uidCache allKeysForObject: easId] objectAtIndex: 0]))
{
if (debugOn)
[self logWithFormat: @"EAS - Found serverId: %@ for easId: %@", serverId, easId];
}
else
serverId = easId;
sogoObject = [theCollection lookupName: [serverId sanitizedServerIdWithType: theFolderType]
inContext: context
acquire: NO];
if (![sogoObject isKindOfClass: [NSException class]])
{
// Remove the cache entry. If the delete fails due to permission issues we do a fake update to trigger
// an add-command.
NSMutableDictionary *folderMetadata, *dateCache, *syncCache;
folderMetadata = [self _folderMetadataForKey: [self _getNameInCache: theCollection withType: theFolderType]];
syncCache = [folderMetadata objectForKey: @"SyncCache"];
dateCache = [folderMetadata objectForKey: @"DateCache"];
[syncCache removeObjectForKey: serverId];
[dateCache removeObjectForKey: serverId];
[self _setFolderMetadata: folderMetadata forKey: [self _getNameInCache: theCollection withType: theFolderType]];
// FIXME: handle errors here
if (deletesAsMoves && theFolderType == ActiveSyncMailFolder)
{
[(SOGoMailFolder *)[sogoObject container] deleteUIDs: [NSArray arrayWithObjects: serverId, nil] useTrashFolder: &useTrash inContext: context];
}
else if (theFolderType == ActiveSyncEventFolder || theFolderType == ActiveSyncTaskFolder || theFolderType == ActiveSyncContactFolder)
{
roles = [theCollection aclsForUser:[[context activeUser] login]];
// We check ACLs on the collection and not on the SOGo object itself, as the add/delete rights are on the collection itself
if (![roles containsObject: SOGoRole_ObjectEraser] && ![[sogoObject ownerInContext: context] isEqualToString: [[context activeUser] login]])
{
// This will trigger an add-command to re-add the component to the client
[sogoObject touch];
}
else
{
if (!(theFolderType == ActiveSyncContactFolder))
[sogoObject prepareDelete];
[sogoObject delete];
}
}
else
[sogoObject delete];
[theBuffer appendString: @"<Delete>"];
[theBuffer appendFormat: @"<ServerId>%@</ServerId>", origServerId];
[theBuffer appendFormat: @"<Status>%d</Status>", 1];
[theBuffer appendString: @"</Delete>"];
}
}
}
}
//
// <Fetch>
// <ServerId>91</ServerId>
// </Fetch>
//
- (void) processSyncFetchCommand: (id <DOMElement>) theDocumentElement
inCollection: (id) theCollection
withType: (SOGoMicrosoftActiveSyncFolderType) theFolderType
inBuffer: (NSMutableString *) theBuffer
{
NSString *serverId;
id o;
serverId = [[(id)[theDocumentElement getElementsByTagName: @"ServerId"] lastObject] textValue];
// https://msdn.microsoft.com/en-us/library/gg675490%28v=exchg.80%29.aspx
// The fetch element is used to request the application data of an item that was truncated in a synchronization response from the server.
// The complete item is then returned to the client in a server response.
[context setObject: @"8" forKey: @"MIMETruncation"];
o = [theCollection lookupName: [serverId sanitizedServerIdWithType: theFolderType]
inContext: context
acquire: NO];
// FIXME - error handling
[theBuffer appendString: @"<Fetch>"];
[theBuffer appendFormat: @"<ServerId>%@</ServerId>", serverId];
[theBuffer appendFormat: @"<Status>%d</Status>", 1];
[theBuffer appendString: @"<ApplicationData>"];
[theBuffer appendString: [o activeSyncRepresentationInContext: context]];
[theBuffer appendString: @"</ApplicationData>"];
[theBuffer appendString: @"</Fetch>"];
}
//
// The method handles <GetChanges/>
//
- (void) processSyncGetChanges: (id <DOMElement>) theDocumentElement
inCollection: (id) theCollection
withWindowSize: (unsigned int) theWindowSize
withMaxSyncResponseSize: (unsigned int) theMaxSyncResponseSize
withSyncKey: (NSString *) theSyncKey
withFolderType: (SOGoMicrosoftActiveSyncFolderType) theFolderType
withFilterType: (NSCalendarDate *) theFilterType
inBuffer: (NSMutableString *) theBuffer
lastServerKey: (NSString **) theLastServerKey
defaultInterval: (unsigned int) theDefaultInterval
mergeFolders: (BOOL) theMergeFolder
{
NSMutableDictionary *folderMetadata, *dateCache, *syncCache, *uidCache;
NSString *davCollectionTagToStore;
NSAutoreleasePool *pool;
NSMutableString *s;
BOOL cleanup_needed, more_available;
int i, max;
s = [NSMutableString string];
cleanup_needed = more_available = NO;
folderMetadata = [self _folderMetadataForKey: [self _getNameInCache: theCollection withType: theFolderType]];
// If this is a new sync operation, DateCache and SyncCache need to be deleted
if ([theSyncKey isEqualToString: @"-1"])
{
[folderMetadata setObject: [NSMutableDictionary dictionary] forKey: @"SyncCache"];
[folderMetadata setObject: [NSMutableDictionary dictionary] forKey: @"DateCache"];
if (theFolderType != ActiveSyncMailFolder)
{
[folderMetadata setObject: [NSCalendarDate date] forKey: @"CleanoutDate"];
[folderMetadata setObject: [NSMutableDictionary dictionary] forKey: @"UidCache"];
}
}
else if ([folderMetadata objectForKey: @"SyncKey"] && !([theSyncKey isEqualToString: [folderMetadata objectForKey: @"SyncKey"]]))
{
// The syncKey received from the client doesn't match the syncKey we have in cache - client might have missed a response.
// We need to cleanup this mess.
[self logWithFormat: @"Cache cleanup needed for device %@ - user: %@ syncKey: %@ cache: %@", [context objectForKey: @"DeviceId"], [[context activeUser] login], theSyncKey, [folderMetadata objectForKey: @"SyncKey"]];
cleanup_needed = YES;
}
syncCache = [folderMetadata objectForKey: @"SyncCache"];
dateCache = [folderMetadata objectForKey: @"DateCache"];
uidCache = [folderMetadata objectForKey: @"UidCache"];
if (!cleanup_needed && -[[folderMetadata objectForKey: @"CleanoutDate"] timeIntervalSinceNow] > 3600)
{
NSArray *allKeys;
NSString *key;
if (debugOn)
[self logWithFormat: @"EAS - Cleanout UidCache of folder %@", [theCollection nameInContainer]];
allKeys = [uidCache allKeys];
for (i = 0; i < [allKeys count]; i++)
{
key = [allKeys objectAtIndex: i];
if (![syncCache objectForKey:key] && ![syncCache objectForKey:key])
{
if (debugOn)
[self logWithFormat: @"EAS - Delete UidCache entry %@", key];
[uidCache removeObjectForKey: key];
}
}
[folderMetadata setObject: [NSCalendarDate date] forKey: @"CleanoutDate"];
[self _setFolderMetadata: folderMetadata forKey: [self _getNameInCache: theCollection withType: theFolderType]];
}
if ((theFolderType == ActiveSyncMailFolder || theFolderType == ActiveSyncEventFolder || theFolderType == ActiveSyncTaskFolder) &&
(cleanup_needed ||
( !([folderMetadata objectForKey: @"MoreAvailable"]) && // previous sync operation reached the windowSize or maximumSyncReponseSize
!([folderMetadata objectForKey: @"InitialLoadSequence"]))) &&
theFilterType
)
{
NSArray *allKeys;
NSString *key;
int softdelete_count;
softdelete_count = 0;
allKeys = [dateCache allKeys];
for (i = 0; i < [allKeys count]; i++)
{
key = [allKeys objectAtIndex: i];
if ([[dateCache objectForKey:key] compare: theFilterType] == NSOrderedAscending)
{
if ([syncCache objectForKey:key])
{
if (debugOn)
[self logWithFormat: @"EAS - SoftDelete %@", key];
[s appendString: @"<SoftDelete xmlns=\"AirSync:\">"];
[s appendFormat: @"<ServerId xmlns=\"AirSync:\">%@</ServerId>", key];
[s appendString: @"</SoftDelete>"];
[syncCache removeObjectForKey: key];
//[dateCache removeObjectForKey: key];
softdelete_count++;
}
else if (cleanup_needed)
{
if (debugOn)
[self logWithFormat: @"EAS - SoftDelete cleanup %@", key];
// With this we make sure that a SoftDelete is set again on next sync.
[syncCache setObject: @"0" forKey: key];
}
else
{
if (debugOn)
[self logWithFormat: @"EAS - SoftDelete final delete %@", key];
// Now we are save to remove the dateCache entry.
[dateCache removeObjectForKey: key];
//[uidCache removeObjectForKey: key];
}
}
if (softdelete_count >= theWindowSize || (theMaxSyncResponseSize > 0 && [s length] >= theMaxSyncResponseSize))
{