Keychain Circle Notification/KNPersistantState.m

   1 //
   2 //  KNPersistantState.m
   3 //  Security
   4 //
   5 //  Created by J Osborne on 7/28/13.
   6 //
   7 //
   8
   9 #import "KNPersistantState.h"
  10
  11 @implementation KNPersistantState
  12
  13 -(NSURL*)urlForStorage
  14 {
  15         return [NSURL URLWithString:@"Preferences/com.apple.security.KCN.plist" relativeToURL:[[NSFileManager defaultManager] URLForDirectory:NSLibraryDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:YES error:nil]];
  16 }
  17
  18 +(instancetype)loadFromStorage
  19 {
  20         KNPersistantState *state = [[KNPersistantState alloc] init];
  21     if (!state) {
  22         return state;
  23     }
  24
  25     id plist = @{@"lastWritten": [NSDate distantPast]};
  26
  27     NSError *error = nil;
  28     NSData *stateData = [NSData dataWithContentsOfURL:[state urlForStorage] options:0 error:&error];
  29     if (!stateData) {
  30         NSLog(@"Can't read state data (p=%@, err=%@)", [state urlForStorage], error);
  31     } else {
  32         NSPropertyListFormat format;
  33         plist = [NSPropertyListSerialization propertyListWithData:stateData options: NSPropertyListMutableContainersAndLeaves format:&format error:&error];
  34
  35         if (plist == nil) {
  36             NSLog(@"Can't deserialize %@, e=%@", stateData, error);
  37         }
  38     }
  39
  40     state.lastCircleStatus = plist[@"lastCircleStatus"] ? [plist[@"lastCircleStatus"] intValue] : kSOSCCCircleAbsent;
  41     state.lastWritten = plist[@"lastWritten"];
  42         state.pendingApplicationReminderInterval = plist[@"pendingApplicationReminderInterval"];
  43         state.debugLeftReason = plist[@"debugLeftReason"];
  44         state.pendingApplicationReminder = plist[@"pendingApplicationReminder"];
  45         state.applcationDate = plist[@"applcationDate"];
  46         if (!state.applcationDate) {
  47                 state.applcationDate = [NSDate distantPast];
  48         }
  49         if (!state.pendingApplicationReminder) {
  50                 state.pendingApplicationReminder = [NSDate distantFuture];
  51         }
  52     if (!state.pendingApplicationReminderInterval || [state.pendingApplicationReminderInterval doubleValue] <= 0) {
  53         state.pendingApplicationReminderInterval = [NSNumber numberWithUnsignedInt:60 * 60 * 24 * 2];
  54     }
  55
  56     return state;
  57 }
  58
  59 -(void)writeToStorage
  60 {
  61     NSMutableDictionary *plist = [@{@"lastCircleStatus": [NSNumber numberWithInt:self.lastCircleStatus],
  62                                                                         @"lastWritten": [NSDate date],
  63                                                                         @"applcationDate": self.applcationDate,
  64                                                                         @"pendingApplicationReminder": self.pendingApplicationReminder,
  65                             } mutableCopy];
  66         if (self.debugLeftReason) {
  67                 plist[@"debugLeftReason"] = self.debugLeftReason;
  68         }
  69         if (self.pendingApplicationReminderInterval) {
  70                 plist[@"pendingApplicationReminderInterval"] = self.pendingApplicationReminderInterval;
  71         }
  72     NSLog(@"writeToStorage plist=%@", plist);
  73
  74     NSError *error = nil;
  75     NSData *stateData = [NSPropertyListSerialization dataWithPropertyList:[plist copy] format:NSPropertyListXMLFormat_v1_0 options:kCFPropertyListImmutable error:&error];
  76     if (!stateData) {
  77         NSLog(@"Can't serialize %@: %@", plist, error);
  78         return;
  79     }
  80     if (![stateData writeToURL:[self urlForStorage] options:NSDataWritingAtomic error:&error]) {
  81         NSLog(@"Can't write to %@, error=%@", [self urlForStorage], error);
  82     }
  83 }
  84
  85
  86 @end