keychain/ckks/CloudKitCategories.m

   1 /*
   2  * Copyright (c) 2017 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #if OCTAGON
  25
  26 #import "keychain/ckks/CloudKitCategories.h"
  27
  28 @implementation CKOperationGroup (CKKS)
  29 +(instancetype) CKKSGroupWithName:(NSString*)name {
  30     CKOperationGroup* operationGroup = [[CKOperationGroup alloc] init];
  31     operationGroup.expectedSendSize = CKOperationGroupTransferSizeKilobytes;
  32     operationGroup.expectedReceiveSize = CKOperationGroupTransferSizeKilobytes;
  33     operationGroup.name = name;
  34     return operationGroup;
  35 }
  36 @end
  37
  38 @implementation NSError (CKKS)
  39
  40 -(bool) ckksIsCKErrorRecordChangedError {
  41     NSDictionary<CKRecordID*,NSError*>* partialErrors = self.userInfo[CKPartialErrorsByItemIDKey];
  42     if([self.domain isEqualToString:CKErrorDomain] && self.code == CKErrorPartialFailure && partialErrors) {
  43         // Check if this error was "you're out of date"
  44
  45         for(NSError* error in partialErrors.objectEnumerator) {
  46             if((![error.domain isEqualToString:CKErrorDomain]) || (error.code != CKErrorBatchRequestFailed && error.code != CKErrorServerRecordChanged && error.code != CKErrorUnknownItem)) {
  47                 // There's an error in there that isn't CKErrorServerRecordChanged, CKErrorBatchRequestFailed, or CKErrorUnknownItem. Don't handle nicely...
  48                 return false;
  49             }
  50         }
  51
  52         return true;
  53     }
  54     return false;
  55 }
  56
  57 - (BOOL)isCuttlefishError:(CuttlefishErrorCode)cuttlefishError
  58 {
  59     NSError *error = self;
  60     NSError* underlyingError = error.userInfo[NSUnderlyingErrorKey];
  61
  62     // This funny code is becase CodeOperation was not wrapping underlying errors with CKError, and then they fixed that in <rdar://problem/51905322>
  63     // if you find this code, it probably time to always check for CKErrorDomain/CKErrorServerRejectedRequest
  64     if ([error.domain isEqualToString:CKErrorDomain] && error.code == CKErrorServerRejectedRequest && underlyingError) {
  65         error = underlyingError;
  66     }
  67
  68     if([error.domain isEqualToString:CKInternalErrorDomain] && error.code == CKErrorInternalPluginError) {
  69         NSError* underlyingError = error.userInfo[NSUnderlyingErrorKey];
  70         if(underlyingError &&
  71            [underlyingError.domain isEqualToString:CuttlefishErrorDomain] &&
  72            underlyingError.code == cuttlefishError) {
  73             return YES;
  74         }
  75     }
  76     return NO;
  77 }
  78
  79
  80
  81
  82 @end
  83
  84 @implementation CKAccountInfo (CKKS)
  85 // Ugly, and might break if CloudKit changes how they print objects. Sorry, CloudKit!
  86 - (NSString*)description {
  87     NSString* ckprop = [self CKPropertiesDescription];
  88     NSString* description =  [NSString stringWithFormat: @"<CKAccountInfo: %@>", ckprop];
  89     return description;
  90 }
  91 @end
  92
  93 #endif //OCTAGON