keychain/ot/OTLocalCuttlefishReset.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
  24 #if OCTAGON
  25
  26 #import "keychain/ot/OTLocalCuttlefishReset.h"
  27
  28 #import "keychain/ot/ObjCImprovements.h"
  29 #import "keychain/TrustedPeersHelper/TrustedPeersHelperProtocol.h"
  30 #import "utilities/debugging.h"
  31
  32 @interface OTLocalResetOperation ()
  33 @property OTOperationDependencies* deps;
  34
  35 @property NSOperation* finishedOp;
  36 @end
  37
  38 @implementation OTLocalResetOperation
  39 @synthesize intendedState = _intendedState;
  40 @synthesize nextState = _nextState;
  41
  42 - (instancetype)initWithDependencies:(OTOperationDependencies *)deps
  43                        intendedState:(OctagonState *)intendedState
  44                           errorState:(OctagonState *)errorState
  45 {
  46     if((self = [super init])) {
  47         _intendedState = intendedState;
  48         _nextState = errorState;
  49
  50         _deps = deps;
  51     }
  52     return self;
  53 }
  54
  55 - (void)groupStart
  56 {
  57     secnotice("octagon-local-reset", "Resetting local cuttlefish");
  58
  59     self.finishedOp = [[NSOperation alloc] init];
  60     [self dependOnBeforeGroupFinished:self.finishedOp];
  61
  62     WEAKIFY(self);
  63     [self.deps.cuttlefishXPCWrapper localResetWithContainer:self.deps.containerName
  64                                                     context:self.deps.contextID
  65                                                       reply:^(NSError * _Nullable error) {
  66             STRONGIFY(self);
  67             if(error) {
  68                 secnotice("octagon", "Unable to reset local cuttlefish for (%@,%@): %@", self.deps.containerName, self.deps.contextID, error);
  69                 self.error = error;
  70             } else {
  71                 secnotice("octagon", "Successfully reset local cuttlefish");
  72
  73                 NSError* localError = nil;
  74                 [self.deps.stateHolder persistAccountChanges:^OTAccountMetadataClassC * _Nonnull(OTAccountMetadataClassC * _Nonnull metadata) {
  75                     metadata.trustState = OTAccountMetadataClassC_TrustState_UNKNOWN;
  76                     metadata.peerID = nil;
  77                     metadata.syncingPolicy = nil;
  78
  79                     // Don't touch the CDP or account states; those can carry over
  80
  81                     return metadata;
  82                 } error:&localError];
  83
  84                 if(localError) {
  85                     secnotice("octagon", "Error resetting local account state: %@", localError);
  86
  87                 } else {
  88                     secnotice("octagon", "Successfully reset local account state");
  89                     self.nextState = self.intendedState;
  90                 }
  91             }
  92
  93             [self runBeforeGroupFinished:self.finishedOp];
  94         }];
  95 }
  96
  97 @end
  98
  99 #endif // OCTAGON