VKPrefsPasscode.mm

#import <Preferences/Preferences.h>
#import <Preferences/PSViewController.h>
#import <Preferences/PSDetailController.h>
#import <Preferences/PSTableCell.h>
#import <Preferences/PSSpecifier.h>
#import <UIKit/UIKit.h>
#import "VKPrefsPasscode.h"
NSString *const BKPasscodeKeychainServiceName = @"ru.anonz.vkpreferences";
NSMutableDictionary *passcodeF;
NSMutableDictionary *settingsVKP;
BKPasscodeViewController *viewController;

@implementation VKPrefsPasscode

//@synthesize passcodeFile;
@synthesize passcode;
@synthesize deletePasscode;
@synthesize disablePasscode;
@synthesize disableVKPasscode;

+(VKPrefsPasscode *) sharedInstance
{
    static dispatch_once_t p = 0;
    __strong static id sharedObject = nil;
    dispatch_once(&p, ^{
        sharedObject = [[self alloc] init];
    });
    return sharedObject;
}

//+(void)passcodeSettings
//{
//    passcodeFile ;
//
//}

-(id)init
{
    self = [super init];
    if(self)
    {
        self.passcode = self.passcode;
    }
    return self;
}

-(id)setPINVC
{
    /*
    BKPasscodeViewController *viewController = [[BKPasscodeViewController alloc] initWithNibName:nil bundle:nil];
    viewController.passcodeStyle = BKPasscodeInputViewNumericPasscodeStyle;
    viewController.delegate = self;
    viewController.type = BKPasscodeViewControllerNewPasscodeType;
    //[self setRootController: [self rootController]];
    //[self setParentController: [self parentController]];
     */
    viewController = [[BKPasscodeViewController alloc] initWithNibName:nil bundle:nil];
    viewController.delegate = self;
    //viewController.type = BKPasscodeViewControllerNewPasscodeType;
    
    passcodeF = [[NSMutableDictionary alloc] initWithContentsOfFile:passcodePath];
    if (![[NSFileManager defaultManager] fileExistsAtPath:passcodePath])
    {
        
        viewController.type = BKPasscodeViewControllerNewPasscodeType;
        /*
        passcodeF = [NSMutableDictionary new];
        [passcodeF writeToFile:passcodePath atomically:NO];
        settingsVKP = [[NSMutableDictionary alloc] initWithContentsOfFile:settingsPath];
        [settingsVKP setValue:@YES forKey:@"sPINEnabled"];
        [settingsVKP writeToFile:settingsPath atomically:NO];
         */
    }
    else
    {
        viewController.type = BKPasscodeViewControllerChangePasscodeType;
    }
    
    // viewController.type = BKPasscodeViewControllerChangePasscodeType;    // for change
    // viewController.type = BKPasscodeViewControllerCheckPasscodeType;   // for authentication
    settingsVKP = [[NSMutableDictionary alloc] initWithContentsOfFile:settingsPath];
    if ([[settingsVKP objectForKey:@"sPINHard"] boolValue])
    {
        viewController.passcodeStyle = BKPasscodeInputViewNormalPasscodeStyle; // for ASCII style passcode.
    }
    else
    {
        viewController.passcodeStyle = BKPasscodeInputViewNumericPasscodeStyle;
    }
    
    // To supports Touch ID feature, set BKTouchIDManager instance to view controller.
    // It only supports iOS 8 or greater.
    viewController.touchIDManager = [[BKTouchIDManager alloc] initWithKeychainServiceName:BKPasscodeKeychainServiceName];
    viewController.touchIDManager.promptText = @"Scan fingerprint to authenticate";   // You can set prompt text.
    
    //[self setRootController: [self rootController]];
    //[self setParentController: [self parentController]];
    UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:viewController];
    [navController setModalPresentationStyle:UIModalPresentationFormSheet];
    viewController.navigationItem.title = @"VKPreferences";
    UIBarButtonItem *closeButton = [[UIBarButtonItem alloc]
                                    initWithTitle:@"Закрыть"
                                    style:UIBarButtonItemStyleBordered
                                    target:self
                                    action:@selector(closeViewSetPass:)];
    viewController.navigationItem.leftBarButtonItem = closeButton;
    [self presentViewController:navController animated:YES completion:nil];
    
    return viewController;
}

-(id)changePINVC
{
    viewController = [[BKPasscodeViewController alloc] initWithNibName:nil bundle:nil];
    settingsVKP = [[NSMutableDictionary alloc] initWithContentsOfFile:settingsPath];
    if ([[settingsVKP objectForKey:@"sPINHard"] boolValue])
    {
        viewController.passcodeStyle = BKPasscodeInputViewNormalPasscodeStyle; // for ASCII style passcode.
    }
    else
    {
        viewController.passcodeStyle = BKPasscodeInputViewNumericPasscodeStyle;
    }
    viewController.delegate = self;
    viewController.type = BKPasscodeViewControllerChangePasscodeType;
    //viewController.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(passcodeViewCloseButtonPressed:)];
    [self setRootController: [self rootController]];
    [self setParentController: [self parentController]];
    //viewController.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal; //Animation
    UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:viewController];
    UIBarButtonItem *closeButton = [[UIBarButtonItem alloc]
                                    initWithTitle:@"Закрыть"
                                    style:UIBarButtonItemStyleBordered
                                    target:self
                                    action:@selector(closeView:)];
    viewController.navigationItem.leftBarButtonItem = closeButton;
    viewController.navigationItem.title = @"VKPreferences";
    [self presentViewController:navController animated:YES completion:nil];
    viewController.touchIDManager = [[BKTouchIDManager alloc] initWithKeychainServiceName:BKPasscodeKeychainServiceName];
    viewController.touchIDManager.promptText = @"Scan fingerprint to authenticate";   // You can set prompt text.
    
    // Show Touch ID user interface
    [viewController startTouchIDAuthenticationIfPossible:^(BOOL prompted) {
        
        // If Touch ID is unavailable or disabled, present passcode view controller for manual input.
        if (NO == prompted) {
            UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:viewController];
            [self presentViewController:navController animated:YES completion:nil];
        }
    }];
    return viewController;
}

- (id)checkPINVC{
    /*
    BKPasscodeViewController *viewController = [[BKPasscodeViewController alloc] initWithNibName:nil bundle:nil];
    viewController.passcodeStyle = BKPasscodeInputViewNumericPasscodeStyle;
    viewController.type = BKPasscodeViewControllerCheckPasscodeType;
    viewController.delegate = self;
    [self setRootController: [self rootController]];
    [self setParentController: [self parentController]];
     */
    viewController = [[BKPasscodeViewController alloc] initWithNibName:nil bundle:nil];
    viewController.delegate = self;
    viewController.type = BKPasscodeViewControllerCheckPasscodeType;   // for authentication
    //viewController.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(passcodeViewCloseButtonPressed:)];
    
    settingsVKP = [[NSMutableDictionary alloc] initWithContentsOfFile:settingsPath];
    if ([[settingsVKP objectForKey:@"sPINHard"] boolValue])
    {
        viewController.passcodeStyle = BKPasscodeInputViewNormalPasscodeStyle; // for ASCII style passcode.
    }
    else
    {
        viewController.passcodeStyle = BKPasscodeInputViewNumericPasscodeStyle;
    }
    
    // To supports Touch ID feature, set BKTouchIDManager instance to view controller.
    // It only supports iOS 8 or greater.
    NSString *localizationReason;
    NSString *language = [[[NSBundle mainBundle] preferredLocalizations] objectAtIndex:0];
    if ([language isEqualToString:@"ru"])
    {
        localizationReason = @"Приложите палец для аутификации.";
    }
    else
    {
        localizationReason = @"Scan your fingerprint for access.";
    }
    if ([[settingsVKP objectForKey:@"sTouchID"] boolValue])
    {
        LAContext *myContext = [[LAContext alloc] init];
        NSError *authError = nil;
        if ([myContext canEvaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics error:&authError]) {
            
            //BKPasscodeViewController *viewControllerCheckPin = [[VKPrefsPasscode sharedInstance] checkPINVC];
            UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:viewController];
            //[self showModalViewController:navController];
            
            [myContext evaluatePolicy:LAPolicyDeviceOwnerAuthenticationWithBiometrics
                      localizedReason:localizationReason
                                reply:^(BOOL succes, NSError *error) {
                                    
                                    if (succes)
                                    {
                                        [viewController dismissViewControllerAnimated:YES completion:nil];
                                        //[self showMessage:@"Authentication is successful" withTitle:@"Success"];
                                        //NSLog(@"User authenticated");
                                    }
                                    else
                                    {
                                        switch (error.code) {
                                            case LAErrorAuthenticationFailed:
                                                [self presentViewController:navController animated:YES completion:nil];
                                                break;
                                                
                                            case LAErrorUserCancel:
                                                [self presentViewController:navController animated:YES completion:nil];
                                                //NSLog(@"User pressed Cancel button");
                                                break;
                                                
                                            case LAErrorUserFallback:
                                                [self presentViewController:navController animated:YES completion:nil];
                                                //NSLog(@"User pressed \"Enter Password\"");
                                                break;
                                                
                                            case LAErrorTouchIDNotAvailable:
                                                [self presentViewController:navController animated:YES completion:nil];
                                                //NSLog(@"Touch ID is not configured");
                                                break;
                                                
                                            case LAErrorTouchIDNotEnrolled:
                                                [self presentViewController:navController animated:YES completion:nil];
                                                //[self showMessage:@"Touch ID is not configured" withTitle:@"Error"];
                                                //NSLog(@"Touch ID is not configured");
                                                break;
                                        }
                                    }
                                }];
        }
    }
    else
    {
            UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:viewController];
            [self presentViewController:navController animated:YES completion:nil];
    }
    return viewController;
    //[viewController release];
}

-(id)checkDisablePINVC
{
    disablePasscode = YES;
    viewController = [[BKPasscodeViewController alloc] initWithNibName:nil bundle:nil];
    viewController.delegate = self;
    viewController.type = BKPasscodeViewControllerCheckPasscodeType;   // for authentication
    //viewController.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(passcodeViewCloseButtonPressed:)];
    settingsVKP = [[NSMutableDictionary alloc] initWithContentsOfFile:settingsPath];
    if ([[settingsVKP objectForKey:@"sPINHard"] boolValue])
    {
        viewController.passcodeStyle = BKPasscodeInputViewNormalPasscodeStyle; // for ASCII style passcode.
    }
    else
    {
        viewController.passcodeStyle = BKPasscodeInputViewNumericPasscodeStyle;
    }
    
    // To supports Touch ID feature, set BKTouchIDManager instance to view controller.
    // It only supports iOS 8 or greater.
    viewController.touchIDManager = [[BKTouchIDManager alloc] initWithKeychainServiceName:BKPasscodeKeychainServiceName];
    viewController.touchIDManager.promptText = @"Scan fingerprint to authenticate";   // You can set prompt text.
    
    // Show Touch ID user interface
    [viewController startTouchIDAuthenticationIfPossible:^(BOOL prompted) {
        
        // If Touch ID is unavailable or disabled, present passcode view controller for manual input.
        if (NO == prompted) {
            UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:viewController];
            viewController.navigationItem.title = @"VKPreferences";
            /*
            UIBarButtonItem *closeButton = [[UIBarButtonItem alloc]
                                            initWithTitle:@"Закрыть"
                                            style:UIBarButtonItemStyleBordered
                                            target:self
                                            action:@selector(closeView:)];
            viewController.navigationItem.leftBarButtonItem = closeButton;
             */
            [self presentViewController:navController animated:YES completion:nil];
            //[self pushController:viewController];
        }
    }];
    return viewController;
}

-(id)checkDisableVKPINVC
{
    disableVKPasscode = YES;
    viewController = [[BKPasscodeViewController alloc] initWithNibName:nil bundle:nil];
    viewController.delegate = self;
    viewController.type = BKPasscodeViewControllerCheckPasscodeType;   // for authentication
    //viewController.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(passcodeViewCloseButtonPressed:)];
    settingsVKP = [[NSMutableDictionary alloc] initWithContentsOfFile:settingsPath];
    if ([[settingsVKP objectForKey:@"sPINHard"] boolValue])
    {
        viewController.passcodeStyle = BKPasscodeInputViewNormalPasscodeStyle; // for ASCII style passcode.
    }
    else
    {
        viewController.passcodeStyle = BKPasscodeInputViewNumericPasscodeStyle;
    }
    
    // To supports Touch ID feature, set BKTouchIDManager instance to view controller.
    // It only supports iOS 8 or greater.
    viewController.touchIDManager = [[BKTouchIDManager alloc] initWithKeychainServiceName:BKPasscodeKeychainServiceName];
    viewController.touchIDManager.promptText = @"Scan fingerprint to authenticate";   // You can set prompt text.
    
    // Show Touch ID user interface
    [viewController startTouchIDAuthenticationIfPossible:^(BOOL prompted) {
        
        // If Touch ID is unavailable or disabled, present passcode view controller for manual input.
        if (NO == prompted) {
            UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:viewController];
            viewController.navigationItem.title = @"VKPreferences";
            [self presentViewController:navController animated:YES completion:nil];
            //[self pushController:viewController];
        }
    }];
    return viewController;
}

-(id)deletePINVC
{
    deletePasscode = YES;
    viewController = [[BKPasscodeViewController alloc] initWithNibName:nil bundle:nil];
    viewController.delegate = self;
    viewController.type = BKPasscodeViewControllerCheckPasscodeType;   // for authentication
    //viewController.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(passcodeViewCloseButtonPressed:)];
    settingsVKP = [[NSMutableDictionary alloc] initWithContentsOfFile:settingsPath];
    if ([[settingsVKP objectForKey:@"sPINHard"] boolValue])
    {
        viewController.passcodeStyle = BKPasscodeInputViewNormalPasscodeStyle; // for ASCII style passcode.
    }
    else
    {
        viewController.passcodeStyle = BKPasscodeInputViewNumericPasscodeStyle;
    }
    
    // To supports Touch ID feature, set BKTouchIDManager instance to view controller.
    // It only supports iOS 8 or greater.
    viewController.touchIDManager = [[BKTouchIDManager alloc] initWithKeychainServiceName:BKPasscodeKeychainServiceName];
    viewController.touchIDManager.promptText = @"Scan fingerprint to authenticate";   // You can set prompt text.
    
    // Show Touch ID user interface
    [viewController startTouchIDAuthenticationIfPossible:^(BOOL prompted) {
        
         //If Touch ID is unavailable or disabled, present passcode view controller for manual input.
        if (NO == prompted) {
            UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:viewController];
            viewController.navigationItem.title = @"VKPreferences";
            [self presentViewController:navController animated:YES completion:nil];
            //[self pushController:viewController];
        }
    }];
    return viewController;
}

- (void)closeViewSetPass:(id)sender
{
    [viewController dismissViewControllerAnimated:YES completion:nil];
    //exit(0);
}

- (void)passcodeViewController:(BKPasscodeViewController *)aViewController authenticatePasscode:(NSString *)aPasscode resultHandler:(void (^)(BOOL))aResultHandler
{
    passcodeF = [[NSMutableDictionary alloc] initWithContentsOfFile:passcodePath];
    NSString *key = @"hfskKJHfhsvIUY(*&d098qw0&)(@$_)@((DU*u3298UD*)KWFunisfUIHfwnm((*^few98837h*&%df7283";
    NSString *passcodeEncrypted = [FBEncryptorAES decryptBase64String:[passcodeF objectForKey:@"Passcode"] keyString:key];
    if ([aPasscode isEqualToString:passcodeEncrypted])
    {
        _lockUntilDate = nil;
        _failedAttempts = 0;
        aResultHandler(YES);
        if(disablePasscode == YES)
        {
            //NSLog(@"YEP");
            NSMutableDictionary *settingsVKP = [[NSMutableDictionary alloc] initWithContentsOfFile:settingsPath];
            [settingsVKP setValue:@NO forKey:@"sPINEnabled"];
            [settingsVKP writeToFile:settingsPath atomically:NO];
            disablePasscode = NO;
        }
        if(disableVKPasscode == YES)
        {
            NSMutableDictionary *settingsVKP = [[NSMutableDictionary alloc] initWithContentsOfFile:settingsPath];
            [settingsVKP setValue:@NO forKey:@"sPINVKEnabled"];
            [settingsVKP writeToFile:settingsPath atomically:NO];
            disableVKPasscode = NO;
        }
        if(deletePasscode == YES)
        {
            NSMutableDictionary *settingsVKP = [[NSMutableDictionary alloc] initWithContentsOfFile:settingsPath];
            [settingsVKP setValue:@NO forKey:@"sPINEnabled"];
            [settingsVKP setValue:@NO forKey:@"sPINVKEnabled"];
            [settingsVKP setValue:@NO forKey:@"sTouchID"];
            [settingsVKP writeToFile:settingsPath atomically:NO];
            //NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
            //NSString *documentsDirectory = [paths objectAtIndex:0];
            //NSString *path = [documentsDirectory stringByAppendingPathComponent:@"/Documents/ru.anonz.vkpasscode.plist"];
            
            NSError *error;
            if(![[NSFileManager defaultManager] removeItemAtPath:passcodePath error:&error])
            {
                //TODO: Handle/Log error
            }
            deletePasscode = NO;
        }
    }
    else
    {
        aResultHandler(NO);
        if(disablePasscode == YES)
        {
            NSMutableDictionary *settingsVKP = [[NSMutableDictionary alloc] initWithContentsOfFile:settingsPath];
            [settingsVKP setValue:@YES forKey:@"sPINEnabled"];
            [settingsVKP writeToFile:settingsPath atomically:NO];
        }
        if(disableVKPasscode == YES)
        {
            NSMutableDictionary *settingsVKP = [[NSMutableDictionary alloc] initWithContentsOfFile:settingsPath];
            [settingsVKP setValue:@YES forKey:@"sPINVKEnabled"];
            [settingsVKP writeToFile:settingsPath atomically:NO];
        }
        if(deletePasscode == YES)
        {
            NSMutableDictionary *settingsVKP = [[NSMutableDictionary alloc] initWithContentsOfFile:settingsPath];
            [settingsVKP setValue:@YES forKey:@"sPINEnabled"];
            [settingsVKP setValue:@YES forKey:@"sPINVKEnabled"];
            [settingsVKP writeToFile:settingsPath atomically:NO];
        }
    }
}



- (void)passcodeViewControllerDidFailAttempt:(BKPasscodeViewController *)viewControllerwww
{
    _failedAttempts++;
    //Convert From NSUInteger
    //NSInteger failsUI = (NSInteger)_failedAttempts;
    //[passcodeF setValue:[NSNumber numberWithInt:failsUI] forKey:@"Failed Attempts"];
    //[passcodeF writeToFile:passcodePath atomically:NO];
    
    //Read attemps from plist
    //NSInteger failsAttemps = [[passcodeF objectForKey:@"Failed Attempts"] intValue];
    
    if (_failedAttempts > 5) {
        
        NSTimeInterval timeInterval = 60;
        
        if (_failedAttempts > 6) {
            
            NSUInteger multiplier = _failedAttempts - 6;
            
            timeInterval = (5 * 60) * multiplier;
            
            if (timeInterval > 3600 * 24) {
                timeInterval = 3600 * 24;
            }
        }
        
        _lockUntilDate = [NSDate dateWithTimeIntervalSinceNow:timeInterval];
    }
}

- (NSUInteger)passcodeViewControllerNumberOfFailedAttempts:(BKPasscodeViewController *)viewController
{
    return _failedAttempts;
}

- (NSDate *)passcodeViewControllerLockUntilDate:(BKPasscodeViewController *)viewController
{
    return _lockUntilDate;
}

- (void)passcodeViewController:(BKPasscodeViewController *)aViewController didFinishWithPasscode:(NSString *)aPasscode
{
    switch (viewController.type) {
        case BKPasscodeViewControllerNewPasscodeType:
        case BKPasscodeViewControllerChangePasscodeType:
            self.passcode = aPasscode;
            _failedAttempts = 0;
            _lockUntilDate = nil;
            break;
        default:
            break;

    }
    [aViewController dismissViewControllerAnimated:YES completion:nil];
}

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    // ...
    
    //[[BKPasscodeLockScreenManager sharedManager] setDelegate:self];
    
    // ...
    return YES;
}

- (void)applicationDidEnterBackground:(UIApplication *)application
{
    // ...
    // show passcode view controller when enter background. Screen will be obscured from here.
    [[BKPasscodeLockScreenManager sharedManager] showLockScreen:NO];
}

- (BOOL)lockScreenManagerShouldShowLockScreen:(BKPasscodeLockScreenManager *)aManager
{
    return YES;   // return NO if you don't want to present lock screen.
}

- (UIViewController *)lockScreenManagerPasscodeViewController:(BKPasscodeLockScreenManager *)aManager
{
    BKPasscodeViewController *viewController = [[BKPasscodeViewController alloc] initWithNibName:nil bundle:nil];
    viewController.type = BKPasscodeViewControllerCheckPasscodeType;
    viewController.delegate = self;
    
    UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:viewController];
    [self presentViewController:navController animated:YES completion:nil];
    return viewController;
}

@end
// vim:ft=objc