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/ckks/CKKSAnalytics.h"

@interface OTFetchViewsOperation ()
@property OTOperationDependencies* deps;
@property NSOperation* finishedOp;
@property CKKSViewManager* ckm;
@end

@implementation OTFetchViewsOperation

- (instancetype)initWithDependencies:(OTOperationDependencies*)dependencies
{
if ((self = [super init])) {
_deps = dependencies;
_ckm = dependencies.viewManager;
}
return self;
}

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

self.finishedOp = [[NSOperation alloc] init];
[self dependOnBeforeGroupFinished:self.finishedOp];

NSSet<NSString*>* sosViewList = [self.ckm viewList];
self.policy = nil;
self.viewList = sosViewList;

if ([self.ckm useCKKSViewsFromPolicy]) {
WEAKIFY(self);

[self.deps.cuttlefishXPCWrapper fetchPolicyWithContainer:self.deps.containerName context:self.deps.contextID reply:^(TPPolicy* _Nullable policy, NSError* _Nullable error) {
STRONGIFY(self);
if (error) {
secerror("octagon: failed to retrieve policy: %@", error);
[[CKKSAnalytics logger] logResultForEvent:OctagonEventFetchViews hardFailure:true result:error];
self.error = error;
[self runBeforeGroupFinished:self.finishedOp];
} else {
if (policy == nil) {
secerror("octagon: no policy returned");
}
self.policy = policy;
NSArray<NSString*>* sosViews = [sosViewList allObjects];
[self.deps.cuttlefishXPCWrapper getViewsWithContainer:self.deps.containerName context:self.deps.contextID inViews:sosViews reply:^(NSArray<NSString*>* _Nullable outViews, NSError* _Nullable error) {
STRONGIFY(self);
if (error) {
secerror("octagon: failed to retrieve list of views: %@", error);
[[CKKSAnalytics logger] logResultForEvent:OctagonEventFetchViews hardFailure:true result:error];
self.error = error;
[self runBeforeGroupFinished:self.finishedOp];
} else {
if (outViews == nil) {
secerror("octagon: bad results from getviews");
} else {
self.viewList = [NSSet setWithArray:outViews];
}
[self complete];
}
}];
}
}];
} else {
[self complete];
}
}

- (void)complete {
secnotice("octagon", "viewList: %@", self.viewList);
self.ckm.policy = self.policy;
self.ckm.viewList = self.viewList;

[self.ckm createViews];
[self.ckm beginCloudKitOperationOfAllViews];
[self runBeforeGroupFinished:self.finishedOp];
}

@end

#endif // OCTAGON