CircleJoinRequested/PersistentState.m

   1 //
   2 //  PersistentState.m
   3 //  Security
   4 //
   5 //  Created by J Osborne on 7/11/13.
   6 //
   7 //
   8
   9 #import "PersistentState.h"
  10 #import <Foundation/Foundation.h>
  11
  12 @interface PersistentState()
  13 -(NSURL*)urlForStorage;
  14 @end
  15
  16 @implementation PersistentState
  17
  18 -(NSURL*)urlForStorage
  19 {
  20     return [NSURL fileURLWithPath:@"/var/mobile/Library/Preferences/com.apple.security.CircleJoinRequested.plist" isDirectory:NO];
  21 }
  22
  23 -(unsigned int)defaultPendingApplicationReminderAlertInterval
  24 {
  25     return 24 * 60 * 60;
  26 }
  27
  28 +(instancetype)loadFromStorage
  29 {
  30     PersistentState *state = [[PersistentState alloc] init];
  31     if (!state) {
  32         return state;
  33     }
  34
  35     NSError *error = nil;
  36     id plist = @{@"lastWritten": [NSDate distantPast]};
  37
  38     NSData *stateData = [NSData dataWithContentsOfURL:[state urlForStorage] options:0 error:&error];
  39     if (!stateData) {
  40         NSLog(@"Can't read state data (p=%@, err=%@)", [state urlForStorage], error);
  41     } else {
  42         NSPropertyListFormat format;
  43         id plistTmp = [NSPropertyListSerialization propertyListWithData:stateData options: NSPropertyListMutableContainersAndLeaves format:&format error:&error];
  44
  45         if (plistTmp == nil) {
  46             NSLog(@"Can't deserialize %@, e=%@", stateData, error);
  47         } else {
  48             plist = plistTmp;
  49         }
  50     }
  51
  52     state.lastCircleStatus                              = plist[@"lastCircleStatus"] ? [plist[@"lastCircleStatus"] intValue] : kSOSCCCircleAbsent;
  53     state.lastWritten                                   = plist[@"lastWritten"];
  54         state.pendingApplicationReminder        = plist[@"pendingApplicationReminder"] ?: [NSDate distantFuture];
  55         state.applicationDate                           = plist[@"applicationDate"]            ?: [NSDate distantPast];
  56     state.debugShowLeftReason                   = plist[@"debugShowLeftReason"];
  57     state.pendingApplicationReminderAlertInterval       = plist[@"pendingApplicationReminderAlertInterval"] ?
  58                                                                                                                         [plist[@"pendingApplicationReminderAlertInterval"] unsignedIntValue] :
  59                                                                                                                         [state defaultPendingApplicationReminderAlertInterval];
  60     state.absentCircleWithNoReason              = plist[@"absentCircleWithNoReason"] ? [plist[@"absentCircleWithNoReason"] intValue] : NO;
  61
  62     return state;
  63 }
  64
  65 -(void)writeToStorage
  66 {
  67     NSDictionary *plist = @{@"lastCircleStatus": [NSNumber numberWithInt:self.lastCircleStatus],
  68                             @"lastWritten": [NSDate date],
  69                                                         @"pendingApplicationReminder": self.pendingApplicationReminder ?: [NSDate distantFuture],
  70                                                         @"applicationDate": self.applicationDate ?: [NSDate distantPast],
  71                             @"pendingApplicationReminderAlertInterval": [NSNumber numberWithUnsignedInt:self.pendingApplicationReminderAlertInterval],
  72                             @"absentCircleWithNoReason": [NSNumber numberWithBool:self.absentCircleWithNoReason]};
  73     if (self.debugShowLeftReason) {
  74         NSMutableDictionary *tmp = [plist mutableCopy];
  75         tmp[@"debugShowLeftReason"] = self.debugShowLeftReason;
  76         plist =[tmp copy];
  77     }
  78     NSLog(@"writeToStorage plist=%@", plist);
  79
  80     NSError *error = nil;
  81     NSData *stateData = [NSPropertyListSerialization dataWithPropertyList:plist format:NSPropertyListXMLFormat_v1_0 options:kCFPropertyListImmutable error:&error];
  82     if (!stateData) {
  83         NSLog(@"Can't serialize %@: %@", plist, error);
  84         return;
  85     }
  86     if (![stateData writeToURL:[self urlForStorage] options:NSDataWritingAtomic error:&error]) {
  87         NSLog(@"Can't write to %@, error=%@", [self urlForStorage], error);
  88     }
  89 }
  90
  91 @end