1/*
2 * Copyright (c) 2013-2014 Apple Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24
25#import "KNPersistantState.h"
26
27@implementation KNPersistantState
28
29-(NSURL*)urlForStorage
30{
31	return [NSURL URLWithString:@"Preferences/com.apple.security.KCN.plist" relativeToURL:[[NSFileManager defaultManager] URLForDirectory:NSLibraryDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:YES error:nil]];
32}
33
34+(instancetype)loadFromStorage
35{
36	KNPersistantState *state = [[KNPersistantState alloc] init];
37    if (!state) {
38        return state;
39    }
40
41    id plist = @{@"lastWritten": [NSDate distantPast]};
42
43    NSError *error = nil;
44    NSData *stateData = [NSData dataWithContentsOfURL:[state urlForStorage] options:0 error:&error];
45    if (!stateData) {
46        NSLog(@"Can't read state data (p=%@, err=%@)", [state urlForStorage], error);
47    } else {
48        NSPropertyListFormat format;
49        plist = [NSPropertyListSerialization propertyListWithData:stateData options: NSPropertyListMutableContainersAndLeaves format:&format error:&error];
50
51        if (plist == nil) {
52            NSLog(@"Can't deserialize %@, e=%@", stateData, error);
53        }
54    }
55
56    state.lastCircleStatus = plist[@"lastCircleStatus"] ? [plist[@"lastCircleStatus"] intValue] : kSOSCCCircleAbsent;
57    state.lastWritten = plist[@"lastWritten"];
58	state.pendingApplicationReminderInterval = plist[@"pendingApplicationReminderInterval"];
59	state.debugLeftReason = plist[@"debugLeftReason"];
60	state.pendingApplicationReminder = plist[@"pendingApplicationReminder"];
61	state.applcationDate = plist[@"applcationDate"];
62	if (!state.applcationDate) {
63		state.applcationDate = [NSDate distantPast];
64	}
65	if (!state.pendingApplicationReminder) {
66		state.pendingApplicationReminder = [NSDate distantFuture];
67	}
68    if (!state.pendingApplicationReminderInterval || [state.pendingApplicationReminderInterval doubleValue] <= 0) {
69        state.pendingApplicationReminderInterval = [NSNumber numberWithUnsignedInt:60 * 60 * 24 * 2];
70    }
71
72    return state;
73}
74
75-(void)writeToStorage
76{
77    NSMutableDictionary *plist = [@{@"lastCircleStatus": [NSNumber numberWithInt:self.lastCircleStatus],
78									@"lastWritten": [NSDate date],
79									@"applcationDate": self.applcationDate,
80									@"pendingApplicationReminder": self.pendingApplicationReminder,
81                            } mutableCopy];
82	if (self.debugLeftReason) {
83		plist[@"debugLeftReason"] = self.debugLeftReason;
84	}
85	if (self.pendingApplicationReminderInterval) {
86		plist[@"pendingApplicationReminderInterval"] = self.pendingApplicationReminderInterval;
87	}
88    NSLog(@"writeToStorage plist=%@", plist);
89
90    NSError *error = nil;
91    NSData *stateData = [NSPropertyListSerialization dataWithPropertyList:[plist copy] format:NSPropertyListXMLFormat_v1_0 options:kCFPropertyListImmutable error:&error];
92    if (!stateData) {
93        NSLog(@"Can't serialize %@: %@", plist, error);
94        return;
95    }
96    if (![stateData writeToURL:[self urlForStorage] options:NSDataWritingAtomic error:&error]) {
97        NSLog(@"Can't write to %@, error=%@", [self urlForStorage], error);
98    }
99}
100
101
102@end
103