session-ios/Signal/src/environment/PreferencesUtil.m
2014-05-07 00:33:20 +02:00

257 lines
9.4 KiB
Objective-C

#import "PreferencesUtil.h"
#import "CryptoTools.h"
#import "Constraints.h"
#import "PhoneNumber.h"
#import "Util.h"
#import "NotificationManifest.h"
#define CALL_STREAM_DES_BUFFER_LEVEL_KEY @"CallStreamDesiredBufferLevel"
#define LOCAL_NUMBER_KEY @"Number"
#define PASSWORD_COUNTER_KEY @"PasswordCounter"
#define SAVED_PASSWORD_KEY @"Password"
#define SIGNALING_MAC_KEY @"Signaling Mac Key"
#define SIGNALING_CIPHER_KEY @"Signaling Cipher Key"
#define ZID_KEY @"ZID"
#define SIGNALING_EXTRA_KEY @"Signaling Extra Key"
#define PHONE_DIRECTORY_BLOOM_FILTER_HASH_COUNT_KEY @"Directory Bloom Hash Count"
#define PHONE_DIRECTORY_BLOOM_FILTER_DATA_KEY @"Directory Bloom Data"
#define PHONE_DIRECTORY_EXPIRATION @"Directory Expiration"
#define DEFAULT_CALL_STREAM_DES_BUFFER_LEVEL 0.5
#define SIGNALING_MAC_KEY_LENGTH 20
#define SIGNALING_CIPHER_KEY_LENGTH 16
#define SAVED_PASSWORD_LENGTH 18
#define SIGNALING_EXTRA_KEY_LENGTH 4
#define SETTINGS_EXPANDED_ROW_PREF_DICT_KEY @"Settings Expanded Row Pref Dict Key"
#define FRESH_INSTALL_TUTORIALS_ENABLED_KEY @"Fresh Install Tutorials Enabled Key"
#define CONTACT_IMAGES_ENABLED_KEY @"Contact Images Enabled Key"
#define AUTOCORRECT_ENABLED_KEY @"Autocorrect Enabled Key"
#define HISTORY_LOG_ENABLED_KEY @"History Log Enabled Key"
#define ANONYMOUS_FEEDBACK_ENABLED_KEY @"Anonymous Feedback Enabled Key"
#define DATE_FORMAT_KEY @"Date Format Key"
#define DATE_FORMAT_1 @"dd-MM-yyyy"
#define DATE_FORMAT_2 @"yyyy-MM-dd"
#define DATE_FORMAT_3 @"MM-dd-yyyy"
#define DATE_FORMAT_4 @"dd/MM/yyyy"
#define DATE_FORMAT_5 @"yyyy/MM/dd"
#define DATE_FORMAT_6 @"MM/dd/yyyy"
#define IS_REGISTERED_KEY @"Is Registered"
@implementation PropertyListPreferences (PropertyUtil)
-(PhoneNumberDirectoryFilter*) tryGetSavedPhoneNumberDirectory {
NSUInteger hashCount = [[self tryGetValueForKey:PHONE_DIRECTORY_BLOOM_FILTER_HASH_COUNT_KEY] unsignedIntegerValue];
NSData* data = [self tryGetValueForKey:PHONE_DIRECTORY_BLOOM_FILTER_DATA_KEY];
NSDate* expiration = [self tryGetValueForKey:PHONE_DIRECTORY_EXPIRATION];
if (hashCount == 0 || [data length] == 0 || expiration == nil) return nil;
BloomFilter* bloomFilter = [BloomFilter bloomFilterWithHashCount:hashCount andData:data];
return [PhoneNumberDirectoryFilter phoneNumberDirectoryFilterWithBloomFilter:bloomFilter
andExpirationDate:expiration];
}
-(void) setSavedPhoneNumberDirectory:(PhoneNumberDirectoryFilter*)phoneNumberDirectoryFilter {
// note: clearing before setting so that torn reads can be detected
[self setValueForKey:PHONE_DIRECTORY_BLOOM_FILTER_DATA_KEY toValue:nil];
[self setValueForKey:PHONE_DIRECTORY_BLOOM_FILTER_HASH_COUNT_KEY toValue:nil];
[self setValueForKey:PHONE_DIRECTORY_EXPIRATION toValue:nil];
if (phoneNumberDirectoryFilter == nil) return;
NSData* data = [[phoneNumberDirectoryFilter bloomFilter] data];
NSNumber* hashCount = [NSNumber numberWithUnsignedInteger:[[phoneNumberDirectoryFilter bloomFilter] hashCount]];
NSDate* expiry = [phoneNumberDirectoryFilter getExpirationDate];
[self setValueForKey:PHONE_DIRECTORY_BLOOM_FILTER_DATA_KEY toValue:data];
[self setValueForKey:PHONE_DIRECTORY_BLOOM_FILTER_HASH_COUNT_KEY toValue:hashCount];
[self setValueForKey:PHONE_DIRECTORY_EXPIRATION toValue:expiry];
[self sendDirectoryUpdateNotification];
}
-(void) sendDirectoryUpdateNotification{
[[NSNotificationCenter defaultCenter] postNotificationName:NOTIFICATION_DIRECTORY_UPDATE object:nil];
}
-(NSData*) getOrGenerateRandomDataWithKey:(NSString*)key andLength:(NSUInteger)length {
require(key != nil);
return [self secureDataStoreAdjustAndTryGetNewValueForKey:key afterAdjuster:^NSData*(NSData* oldValue) {
if (oldValue != nil) {
requireState([oldValue isKindOfClass:[NSData class]]);
requireState([oldValue length] == length);
return oldValue;
}
return [CryptoTools generateSecureRandomData:length];
}];
}
-(NSTimeInterval) getCachedOrDefaultDesiredBufferDepth {
id v = [self tryGetValueForKey:CALL_STREAM_DES_BUFFER_LEVEL_KEY];
if (v == nil) return DEFAULT_CALL_STREAM_DES_BUFFER_LEVEL;
return [v doubleValue];
}
-(void) setCachedDesiredBufferDepth:(double)value {
require(value >= 0);
[self setValueForKey:CALL_STREAM_DES_BUFFER_LEVEL_KEY toValue:[NSNumber numberWithDouble:value]];
}
-(int64_t) getAndIncrementOneTimeCounter {
__block int64_t oldCounter;
[self adjustAndTryGetNewValueForKey:PASSWORD_COUNTER_KEY afterAdjuster:^(id oldValue) {
oldCounter = [oldValue longLongValue];
int64_t newCounter = (oldCounter == INT64_MAX)
? INT64_MIN
: (oldCounter + 1);
return [NSNumber numberWithLongLong:newCounter];
}];
return oldCounter;
}
-(PhoneNumber*) forceGetLocalNumber {
NSString* localNumber = [self tryGetValueForKey:LOCAL_NUMBER_KEY];
checkOperation(localNumber != nil);
return [PhoneNumber tryParsePhoneNumberFromE164:localNumber];
}
-(void) setLocalNumberTo:(PhoneNumber*)localNumber {
require(localNumber != nil);
[self setValueForKey:LOCAL_NUMBER_KEY toValue:[localNumber toE164]];
}
-(PhoneNumber*)tryGetLocalNumber {
NSString* localNumber = [self tryGetValueForKey:LOCAL_NUMBER_KEY];
return (localNumber != nil ? [PhoneNumber tryParsePhoneNumberFromE164:localNumber] : nil);
}
-(Zid*) getOrGenerateZid {
return [Zid zidWithData:[self getOrGenerateRandomDataWithKey:ZID_KEY andLength:12]];
}
-(NSString*) getOrGenerateSavedPassword {
return [self secureStringStoreAdjustAndTryGetNewValueForKey:SAVED_PASSWORD_KEY afterAdjuster:^NSString*(id oldValue) {
if (oldValue != nil) {
requireState([oldValue isKindOfClass:[NSString class]]);
return oldValue;
}
NSString *string = [[CryptoTools generateSecureRandomData:SAVED_PASSWORD_LENGTH] encodedAsBase64];
return string;
}];
}
-(NSData*) getOrGenerateSignalingMacKey {
return [self getOrGenerateRandomDataWithKey:SIGNALING_MAC_KEY andLength:SIGNALING_MAC_KEY_LENGTH];
}
-(NSData*) getOrGenerateSignalingCipherKey {
return [self getOrGenerateRandomDataWithKey:SIGNALING_CIPHER_KEY andLength:SIGNALING_CIPHER_KEY_LENGTH];
}
-(NSData*) getOrGenerateSignalingExtraKey {
return [self getOrGenerateRandomDataWithKey:SIGNALING_EXTRA_KEY andLength:SIGNALING_EXTRA_KEY_LENGTH];
}
-(void) setSettingsRowExpandedPrefs:(NSArray *)prefs {
[self setValueForKey:SETTINGS_EXPANDED_ROW_PREF_DICT_KEY toValue:prefs];
}
-(NSArray *) getOrGenerateSettingsRowExpandedPrefs {
NSArray *prefs = [self tryGetValueForKey:SETTINGS_EXPANDED_ROW_PREF_DICT_KEY];
if (!prefs) {
prefs = @[[NSNumber numberWithBool:true], [NSNumber numberWithBool:true], [NSNumber numberWithBool:true], [NSNumber numberWithBool:true]];
}
return prefs;
}
-(NSArray *) getAvailableDateFormats {
return @[DATE_FORMAT_1, DATE_FORMAT_2, DATE_FORMAT_3, DATE_FORMAT_4, DATE_FORMAT_5, DATE_FORMAT_6];
}
- (NSString *)getDateFormat {
NSString *format = [self tryGetValueForKey:DATE_FORMAT_KEY];
if (format) {
return format;
} else {
return DATE_FORMAT_1;
}
}
- (NSString *)getDateFormatKey {
return DATE_FORMAT_KEY;
}
-(BOOL) getFreshInstallTutorialsEnabled {
NSNumber *preference = [self tryGetValueForKey:FRESH_INSTALL_TUTORIALS_ENABLED_KEY];
if (preference) {
return [preference boolValue];
} else {
return YES;
}
}
-(BOOL) getContactImagesEnabled {
NSNumber *preference = [self tryGetValueForKey:CONTACT_IMAGES_ENABLED_KEY];
if (preference) {
return [preference boolValue];
} else {
return YES;
}
}
-(BOOL) getAutocorrectEnabled {
NSNumber *preference = [self tryGetValueForKey:AUTOCORRECT_ENABLED_KEY];
if (preference) {
return [preference boolValue];
} else {
return YES;
}
}
-(BOOL) getHistoryLogEnabled {
NSNumber *preference = [self tryGetValueForKey:HISTORY_LOG_ENABLED_KEY];
if (preference) {
return [preference boolValue];
} else {
return YES;
}
}
-(BOOL) getAnonymousFeedbackEnabled {
NSNumber *preference = [self tryGetValueForKey:ANONYMOUS_FEEDBACK_ENABLED_KEY];
if (preference) {
return [preference boolValue];
} else {
return NO;
}
}
-(BOOL) getIsRegistered {
NSNumber *preference = [self tryGetValueForKey:IS_REGISTERED_KEY];
if (preference) {
return [preference boolValue];
} else {
return NO;
}
}
-(void) setDateFormat:(NSString *)format {
[self setValueForKey:DATE_FORMAT_KEY toValue:format];
}
-(void) setFreshInstallTutorialsEnabled:(BOOL)enabled {
[self setValueForKey:FRESH_INSTALL_TUTORIALS_ENABLED_KEY toValue:[NSNumber numberWithBool:enabled]];
}
-(void) setContactImagesEnabled:(BOOL)enabled {
[self setValueForKey:CONTACT_IMAGES_ENABLED_KEY toValue:[NSNumber numberWithBool:enabled]];
}
-(void) setAutocorrectEnabled:(BOOL)enabled {
[self setValueForKey:AUTOCORRECT_ENABLED_KEY toValue:[NSNumber numberWithBool:enabled]];
}
-(void) setHistoryLogEnabled:(BOOL)enabled {
[self setValueForKey:HISTORY_LOG_ENABLED_KEY toValue:[NSNumber numberWithBool:enabled]];
}
-(void) setAnonymousFeedbackEnabled:(BOOL)enabled {
[self setValueForKey:ANONYMOUS_FEEDBACK_ENABLED_KEY toValue:[NSNumber numberWithBool:enabled]];
}
-(void) setIsRegistered:(BOOL)registered {
[self setValueForKey:IS_REGISTERED_KEY toValue:[NSNumber numberWithBool:registered]];
}
@end