OTEpochOperation.m   [plain text]

/*
* Copyright (c) 2018 Apple Inc. All Rights Reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
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* @APPLE_LICENSE_HEADER_END@
*/

#if OCTAGON

#import <utilities/debugging.h>

#import "keychain/ot/OTEpochOperation.h"
#import "keychain/ot/OTCuttlefishContext.h"

#import "keychain/TrustedPeersHelper/TrustedPeersHelperProtocol.h"
#import "keychain/ot/ObjCImprovements.h"

@interface OTEpochOperation ()
@property NSString* containerName;
@property NSString* contextID;
@property CuttlefishXPCWrapper* cuttlefishXPCWrapper;
@end

@implementation OTEpochOperation
@synthesize intendedState = _intendedState;
@synthesize nextState = _nextState;

- (instancetype)init:(NSString*)containerName
contextID:(NSString*)contextID
intendedState:(OctagonState*)intendedState
errorState:(OctagonState*)errorState
cuttlefishXPCWrapper:(CuttlefishXPCWrapper*)cuttlefishXPCWrapper
{
if((self = [super init])) {
_intendedState = intendedState;
_nextState = errorState;

_containerName = containerName;
_contextID = contextID;
_cuttlefishXPCWrapper = cuttlefishXPCWrapper;
}
return self;
}

- (void)groupStart
{
secnotice("octagon", "retrieving epoch");

NSOperation* finishOp = [[NSOperation alloc] init];
[self dependOnBeforeGroupFinished:finishOp];

WEAKIFY(self);
[self.cuttlefishXPCWrapper fetchEgoEpochWithContainer:self.containerName
context:self.contextID
reply:^(uint64_t epoch, NSError* _Nullable error) {
STRONGIFY(self);
if(error) {
secerror("octagon: Error getting epoch: %@", error);
self.error = error;
} else {
self.epoch = epoch;
self.nextState = self.intendedState;
}
[self runBeforeGroupFinished:finishOp];
}];
}

@end

#endif // OCTAGON