OTFetchViewsOperation.m   [plain text]

/*
* Copyright (c) 2019 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
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/

#if OCTAGON

#import "keychain/ot/OTFetchViewsOperation.h"
#import "keychain/ot/ObjCImprovements.h"
#import "keychain/TrustedPeersHelper/TrustedPeersHelperProtocol.h"
#import "keychain/ot/categories/OTAccountMetadataClassC+KeychainSupport.h"
#import "keychain/ckks/CKKSAnalytics.h"

@interface OTFetchViewsOperation ()
@property OTOperationDependencies* deps;
@end

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

- (instancetype)initWithDependencies:(OTOperationDependencies*)dependencies
intendedState:(OctagonState*)intendedState
errorState:(OctagonState*)errorState
{
if ((self = [super init])) {
_deps = dependencies;

_intendedState = intendedState;
_nextState = errorState;
}
return self;
}

- (void)groupStart
{
secnotice("octagon", "fetching views");

WEAKIFY(self);
[self.deps.cuttlefishXPCWrapper fetchCurrentPolicyWithContainer:self.deps.containerName
context:self.deps.contextID
reply:^(NSSet<NSString*>* _Nullable viewList,
TPPolicy* _Nullable policy,
NSError* _Nullable error) {
STRONGIFY(self);
[[CKKSAnalytics logger] logResultForEvent:OctagonEventFetchViews hardFailure:true result:error];

if (error) {
secerror("octagon: failed to retrieve policy+views: %@", error);
self.error = error;
return;
}

secnotice("octagon-ckks", "Received policy %@ with view list: %@", policy, viewList);
// Write them down before continuing

NSError* stateError = nil;
[self.deps.stateHolder persistAccountChanges:^OTAccountMetadataClassC * _Nullable(OTAccountMetadataClassC * _Nonnull metadata) {
metadata.syncingViews = [viewList mutableCopy];
[metadata setTPPolicy:policy];
return metadata;
} error:&stateError];

if(stateError) {
secerror("octagon: failed to save policy+views: %@", stateError);
self.error = stateError;
return;
}

[self.deps.viewManager setSyncingViews:viewList sortingPolicy:policy];

self.nextState = self.intendedState;
}];
}

@end

#endif // OCTAGON