keychain/ot/OTResetOperation.m

   1 /*
   2  * Copyright (c) 2018 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 #if OCTAGON
  24
  25 #import "keychain/ot/OTResetOperation.h"
  26
  27 #import "keychain/ot/ObjCImprovements.h"
  28 #import "keychain/TrustedPeersHelper/TrustedPeersHelperProtocol.h"
  29
  30 @interface OTResetOperation ()
  31 @property NSString* containerName;
  32 @property NSString* contextID;
  33 @property CuttlefishXPCWrapper* cuttlefishXPCWrapper;
  34
  35 // Since we're making callback based async calls, use this operation trick to hold off the ending of this operation
  36 @property NSOperation* finishedOp;
  37 @end
  38
  39 @implementation OTResetOperation
  40 @synthesize intendedState = _intendedState;
  41 @synthesize nextState = _nextState;
  42
  43 - (instancetype)init:(NSString*)containerName
  44            contextID:(NSString*)contextID
  45               reason:(CuttlefishResetReason)reason
  46        intendedState:(OctagonState*)intendedState
  47           errorState:(OctagonState*)errorState
  48 cuttlefishXPCWrapper:(CuttlefishXPCWrapper*)cuttlefishXPCWrapper
  49 {
  50     if((self = [super init])) {
  51         _intendedState = intendedState;
  52         _nextState = errorState;
  53
  54         _containerName = containerName;
  55         _contextID = contextID;
  56         _cuttlefishXPCWrapper = cuttlefishXPCWrapper;
  57         _resetReason = reason;
  58     }
  59     return self;
  60 }
  61
  62 - (void)groupStart
  63 {
  64     secnotice("octagon-authkit", "Attempting to reset octagon");
  65
  66     self.finishedOp = [[NSOperation alloc] init];
  67     [self dependOnBeforeGroupFinished:self.finishedOp];
  68
  69     WEAKIFY(self);
  70     [self.cuttlefishXPCWrapper resetWithContainer:self.containerName
  71                                           context:self.contextID
  72                                       resetReason:self.resetReason
  73                                             reply:^(NSError * _Nullable error) {
  74             STRONGIFY(self);
  75             [[CKKSAnalytics logger] logResultForEvent:OctagonEventReset hardFailure:true result:error];
  76
  77             if(error) {
  78                 secnotice("octagon", "Unable to reset for (%@,%@): %@", self.containerName, self.contextID, error);
  79                 self.error = error;
  80             } else {
  81                 secnotice("octagon", "Successfully reset Octagon");
  82                 self.nextState = self.intendedState;
  83             }
  84
  85             [self runBeforeGroupFinished:self.finishedOp];
  86         }];
  87 }
  88
  89 @end
  90
  91 #endif // OCTAGON