--- /dev/null
+/*
+ * Copyright (c) 2013-2014 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@
+ */
+
+
+#import "KDSecCircle.h"
+#import "KDCirclePeer.h"
+#include <notify.h>
+#include <dispatch/dispatch.h>
+#import "SecureObjectSync/SOSCloudCircle.h"
+#include "SecureObjectSync/SOSPeerInfo.h"
+#import <CloudServices/SecureBackup.h>
+#include "../utilities/utilities/debugging.h"
+
+@interface KDSecCircle ()
+@property (retain) NSMutableArray *callbacks;
+
+@property (readwrite) unsigned long long changeCount;
+
+@property (readwrite) SOSCCStatus rawStatus;
+
+@property (readwrite) NSString *status;
+@property (readwrite) NSError *error;
+
+@property (readwrite) NSArray *peers;
+@property (readwrite) NSArray *applicants;
+
+@property (readwrite) dispatch_queue_t queue_;
+
+@end
+
+@implementation KDSecCircle
+
+-(void)updateCheck
+{
+ // XXX: assert not on main_queue
+ CFErrorRef err = NULL;
+ SOSCCStatus newRawStatus = SOSCCThisDeviceIsInCircle(&err);
+ NSArray *peerInfos = (__bridge NSArray *) SOSCCCopyApplicantPeerInfo(&err);
+ NSMutableArray *newApplicants = [[NSMutableArray alloc] initWithCapacity:peerInfos.count];
+ [peerInfos enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
+ [newApplicants addObject:[[KDCirclePeer alloc] initWithPeerObject:obj]];
+ }];
+
+ peerInfos = (__bridge NSArray *) SOSCCCopyPeerPeerInfo(&err);
+ NSMutableArray *newPeers = [[NSMutableArray alloc] initWithCapacity:peerInfos.count];
+ [peerInfos enumerateObjectsUsingBlock:^(id obj, NSUInteger idx, BOOL *stop) {
+ [newPeers addObject:[[KDCirclePeer alloc] initWithPeerObject:obj]];
+ }];
+
+ NSLog(@"rawStatus %d, #applicants %lu, #peers %lu, err=%@", newRawStatus, (unsigned long)[newApplicants count], (unsigned long)[newPeers count], err);
+
+ dispatch_async(dispatch_get_main_queue(), ^{
+ self.rawStatus = newRawStatus;
+
+ switch (newRawStatus) {
+ case kSOSCCInCircle:
+ self.status = @"In Circle";
+ break;
+
+ case kSOSCCNotInCircle:
+ self.status = @"Not In Circle";
+ break;
+
+ case kSOSCCRequestPending:
+ self.status = @"Request Pending";
+ break;
+
+ case kSOSCCCircleAbsent:
+ self.status = @"Circle Absent";
+ break;
+
+ case kSOSCCError:
+ self.status = [NSString stringWithFormat:@"Error: %@", err];
+ break;
+
+ default:
+ self.status = [NSString stringWithFormat:@"Unknown status code %d", self.rawStatus];
+ break;
+ }
+
+ self.applicants = [newApplicants copy];
+ self.peers = [newPeers copy];
+ self.error = (__bridge NSError *)(err);
+
+ self.changeCount++;
+ for (dispatch_block_t callback in self.callbacks) {
+ callback();
+ }
+ });
+}
+
+// XXX It's a botch to use the "name" and not applicant, but
+// it is hard to get anythign else to survive a serialastion
+// trip thoguth NSUserNotificationCenter.
+//
+// Er, now that I look more closely maybe SOSPeerInfoGetPeerID...
+
+typedef void (^applicantBlock)(id applicant);
+
+-(void)forApplicantId:(NSString*)applicantId run:(applicantBlock)applicantBlock
+{
+ dispatch_async(self.queue_, ^{
+ for (KDCirclePeer *applicant in self.applicants) {
+ if ([applicantId isEqualToString:applicantId]) {
+ applicantBlock(applicant.peerObject);
+ break;
+ }
+ }
+ });
+}
+
+-(void)acceptApplicantId:(NSString*)applicantId
+{
+ [self forApplicantId:applicantId run:^void(id applicant) {
+ CFErrorRef err = NULL;
+ bool ok = SOSCCAcceptApplicants((__bridge CFArrayRef)(@[applicant]), &err);
+ NSAssert(ok, @"Error %@ while accepting %@ (%@)", err, applicantId, applicant);
+ }];
+}
+
+-(void)rejectApplicantId:(NSString*)applicantId
+{
+ [self forApplicantId:applicantId run:^void(id applicant) {
+ CFErrorRef err = NULL;
+ bool ok = SOSCCRejectApplicants((__bridge CFArrayRef)(@[applicant]), &err);
+ NSAssert(ok, @"Error %@ while rejecting %@ (%@)", err, applicantId, applicant);
+ }];
+}
+
+-(id)init
+{
+ self = [super init];
+ int token;
+
+ self->_queue_ = dispatch_queue_create([[NSString stringWithFormat:@"KDSecCircle@%p", self] UTF8String], NULL);
+ self->_callbacks = [NSMutableArray new];
+ notify_register_dispatch(kSOSCCCircleChangedNotification, &token, self.queue_, ^(int token){
+ [self updateCheck];
+ });
+
+ return self;
+}
+
+-(void)addChangeCallback:(dispatch_block_t)callback
+{
+ [self.callbacks addObject:callback];
+ if (self.changeCount) {
+ dispatch_async(dispatch_get_main_queue(), callback);
+ } else if (self.callbacks.count == 1) {
+ dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
+ [self updateCheck];
+ });
+ }
+}
+
+-(BOOL)isInCircle
+{
+ return (self.rawStatus == kSOSCCInCircle);
+}
+
+-(BOOL)isOutOfCircle
+{
+ return (self.rawStatus == kSOSCCNotInCircle || self.rawStatus == kSOSCCCircleAbsent);
+}
+
+-(void)enableSync
+{
+ CFErrorRef err = NULL;
+ if (self.rawStatus == kSOSCCCircleAbsent) {
+ SOSCCResetToOffering(&err);
+ } else {
+ SOSCCRequestToJoinCircle(&err);
+ }
+}
+
+-(void)disableSync
+{
+ CFErrorRef err = NULL;
+ SOSCCRemoveThisDeviceFromCircle(&err);
+}
+
+@end