MasterPassword/MasterPassword/iOS/MPAppDelegate.m

//
//  MPAppDelegate.m
//  MasterPassword
//
//  Created by Maarten Billemont on 24/11/11.
//  Copyright (c) 2011 Lyndir. All rights reserved.
//

#import "MPAppDelegate.h"
#import "MPAppDelegate_Key.h"
#import "MPAppDelegate_Store.h"

#import "MPMainViewController.h"
#import "IASKSettingsReader.h"
#import "LocalyticsSession.h"
#import "TestFlight.h"
#import <Crashlytics/Crashlytics.h>
#import "ATConnect.h"
#import "ATAppRatingFlow.h"

@interface MPAppDelegate ()

- (NSString *)testFlightInfo;
- (NSString *)testFlightToken;

- (NSString *)crashlyticsInfo;
- (NSString *)crashlyticsAPIKey;

- (NSString *)apptentiveInfo;
- (NSString *)apptentiveAPIKey;

- (NSString *)localyticsInfo;
- (NSString *)localyticsKey;

@end


@implementation MPAppDelegate

+ (void)initialize {
    
    [MPiOSConfig get];
    
#ifdef DEBUG
    [PearlLogger get].autoprintLevel = PearlLogLevelDebug;
    //[NSClassFromString(@"WebView") performSelector:NSSelectorFromString(@"_enableRemoteInspector")];
#endif
}

+ (MPAppDelegate *)get {
    
    return (MPAppDelegate *)[super get];
}

- (void)showGuide {
    
    [self.navigationController performSegueWithIdentifier:@"MP_Guide" sender:self];
    
    [TestFlight passCheckpoint:MPTestFlightCheckpointShowGuide];
}

- (void)loadKey:(BOOL)animated {
    
    if (!self.key)
        // Try and load the key from the keychain.
        [self loadStoredKey];
    
    if (!self.key)
        // Ask the user to set the key through his master password.
        if ([NSThread isMainThread])
            [self.navigationController presentViewController:
             [self.navigationController.storyboard instantiateViewControllerWithIdentifier:@"MPUnlockViewController"]
                                                    animated:animated completion:nil];
        else
            dispatch_async(dispatch_get_main_queue(), ^{
                [self.navigationController presentViewController:
                 [self.navigationController.storyboard instantiateViewControllerWithIdentifier:@"MPUnlockViewController"]
                                                        animated:animated completion:nil];
            });
}

- (void)export {
    
    [PearlAlert showNotice:
     @"This will export all your site names.\n\n"
     @"You can open the export with a text editor to get an overview of all your sites.\n\n"
     @"The file also acts as a personal backup of your site list in case you don't sync with iCloud/iTunes."
         tappedButtonBlock:^(UIAlertView *alert, NSInteger buttonIndex) {
             [PearlAlert showAlertWithTitle:@"Reveal Passwords?" message:
              @"Would you like to make all your passwords visible in the export?\n\n"
              @"A safe export will only include your stored passwords, in an encrypted manner, "
              @"making the result safe from falling in the wrong hands.\n\n"
              @"If all your passwords are shown and somebody else finds the export, "
              @"they could gain access to all your sites!"
                                  viewStyle:UIAlertViewStyleDefault tappedButtonBlock:^(UIAlertView *alert, NSInteger buttonIndex) {
                                      if (buttonIndex == [alert firstOtherButtonIndex] + 0)
                                          // Safe Export
                                          [self exportShowPasswords:NO];
                                      if (buttonIndex == [alert firstOtherButtonIndex] + 1)
                                          // Safe Export
                                          [self exportShowPasswords:YES];
                                  } cancelTitle:[PearlStrings get].commonButtonCancel otherTitles:@"Safe Export", @"Show Passwords", nil];
         } otherTitles:nil];
}

- (void)exportShowPasswords:(BOOL)showPasswords {
    
    NSString *exportedSites = [self exportSitesShowingPasswords:showPasswords];
    NSString *message;
    if (showPasswords)
        message = @"Export of my Master Password sites with passwords visible.\n\nREMINDER: Make sure nobody else sees this file!\n";
    else
        message = @"Backup of my Master Password sites.\n";
    
    NSDateFormatter *exportDateFormatter = [NSDateFormatter new];
    [exportDateFormatter setDateFormat:@"'Master Password sites ('yyyy'-'MM'-'DD').mpsites'"];
    
    MFMailComposeViewController *composer = [[MFMailComposeViewController alloc] init];
    [composer setMailComposeDelegate:self];
    [composer setSubject:@"Master Password site export"];
    [composer setMessageBody:message isHTML:NO];
    [composer addAttachmentData:[exportedSites dataUsingEncoding:NSUTF8StringEncoding] mimeType:@"text/plain"
                       fileName:[exportDateFormatter stringFromDate:[NSDate date]]];
    [self.window.rootViewController presentModalViewController:composer animated:YES];
}

#pragma mark - PearlConfigDelegate

- (void)didUpdateConfigForKey:(SEL)configKey fromValue:(id)value {
    
    [self checkConfig];
}

- (void)checkConfig {
    
    if ([[MPConfig get].saveKey boolValue]) {
        if (self.key)
            [self updateKey:self.key];
    } else
        [self loadStoredKey];
    
    if ([[MPConfig get].iCloud boolValue] != [self.storeManager iCloudEnabled])
        [self.storeManager useiCloudStore:[[MPConfig get].iCloud boolValue] alertUser:YES];
}

#pragma mark - UIApplicationDelegate


- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_BACKGROUND, 0), ^{
#ifndef DEBUG
        @try {
            NSString *testFlightToken = [self testFlightToken];
            if ([testFlightToken length]) {
                dbg(@"Initializing TestFlight");
                [TestFlight addCustomEnvironmentInformation:@"Anonymous" forKey:@"username"];
                [TestFlight setOptions:[NSDictionary dictionaryWithObjectsAndKeys:
                                        [NSNumber numberWithBool:NO],   @"logToConsole",
                                        [NSNumber numberWithBool:NO],   @"logToSTDERR",
                                        nil]];
                [TestFlight takeOff:testFlightToken];
                [[PearlLogger get] registerListener:^BOOL(PearlLogMessage *message) {
                    if (message.level >= PearlLogLevelInfo)
                        TFLog(@"%@", message);
                    
                    return YES;
                }];
                [TestFlight passCheckpoint:MPTestFlightCheckpointLaunched];
            }
        }
        @catch (NSException *exception) {
            err(@"TestFlight: %@", exception);
        }
        @try {
            NSString *crashlyticsAPIKey = [self crashlyticsAPIKey];
            if ([crashlyticsAPIKey length]) {
                dbg(@"Initializing Crashlytics");
                //[Crashlytics sharedInstance].debugMode = YES;
                [Crashlytics startWithAPIKey:crashlyticsAPIKey afterDelay:0];
            }
        }
        @catch (NSException *exception) {
            err(@"Crashlytics: %@", exception);
        }
        @try {
            NSString *localyticsKey = [self localyticsKey];
            if ([localyticsKey length]) {
                dbg(@"Initializing Localytics");
                [[LocalyticsSession sharedLocalyticsSession] startSession:localyticsKey];
                [[PearlLogger get] registerListener:^BOOL(PearlLogMessage *message) {
                    if (message.level >= PearlLogLevelError)
                        [[LocalyticsSession sharedLocalyticsSession] tagEvent:@"Problem" attributes:
                         [NSDictionary dictionaryWithObjectsAndKeys:
                          [message levelDescription],
                          @"level",
                          message.message,
                          @"message",
                          nil]];
                    
                    return YES;
                }];
            }
        }
        @catch (NSException *exception) {
            err(@"Localytics exception: %@", exception);
        }
#endif
    });

    @try {
        NSString *apptentiveAPIKey = [self apptentiveAPIKey];
        if ([apptentiveAPIKey length]) {
            dbg(@"Initializing Apptentive");
            ATConnect *connection = [ATConnect sharedConnection];
            connection.shouldTakeScreenshot = NO;
            connection.apiKey = apptentiveAPIKey;
        }
    }
    @catch (NSException *exception) {
        err(@"Apptentive: %@", exception);
    }

    UIImage *navBarImage = [[UIImage imageNamed:@"ui_navbar_container"]  resizableImageWithCapInsets:UIEdgeInsetsMake(0, 5, 0, 5)];
    [[UINavigationBar appearance] setBackgroundImage:navBarImage forBarMetrics:UIBarMetricsDefault];
    [[UINavigationBar appearance] setBackgroundImage:navBarImage forBarMetrics:UIBarMetricsLandscapePhone];
    [[UINavigationBar appearance] setTitleTextAttributes:
     [NSDictionary dictionaryWithObjectsAndKeys:
      [UIColor colorWithRed:1.0f green:1.0f blue:1.0f alpha:1.0f],                          UITextAttributeTextColor,
      [UIColor colorWithRed:0.0f green:0.0f blue:0.0f alpha:0.8f],                          UITextAttributeTextShadowColor, 
      [NSValue valueWithUIOffset:UIOffsetMake(0, -1)],                                      UITextAttributeTextShadowOffset, 
      [UIFont fontWithName:@"Exo-Bold" size:20.0f],                                         UITextAttributeFont, 
      nil]];
    
    UIImage *navBarButton   = [[UIImage imageNamed:@"ui_navbar_button"] resizableImageWithCapInsets:UIEdgeInsetsMake(0, 5, 0, 5)];
    UIImage *navBarBack     = [[UIImage imageNamed:@"ui_navbar_back"] resizableImageWithCapInsets:UIEdgeInsetsMake(0, 13, 0, 5)];
    [[UIBarButtonItem appearance] setBackgroundImage:navBarButton forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
    [[UIBarButtonItem appearance] setBackgroundImage:nil forState:UIControlStateNormal barMetrics:UIBarMetricsLandscapePhone];
    [[UIBarButtonItem appearance] setBackButtonBackgroundImage:navBarBack forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
    [[UIBarButtonItem appearance] setBackButtonBackgroundImage:nil forState:UIControlStateNormal barMetrics:UIBarMetricsLandscapePhone];
    [[UIBarButtonItem appearance] setTitleTextAttributes:
     [NSDictionary dictionaryWithObjectsAndKeys:
      [UIColor colorWithRed:1.0f green:1.0f blue:1.0f alpha:1.0f],                          UITextAttributeTextColor,
      [UIColor colorWithRed:0.0f green:0.0f blue:0.0f alpha:0.5f],                          UITextAttributeTextShadowColor,
      [NSValue valueWithUIOffset:UIOffsetMake(0, 1)],                                       UITextAttributeTextShadowOffset,
      [UIFont fontWithName:@"Helvetica-Neue" size:0.0f],                                    UITextAttributeFont,
      nil]
                                                forState:UIControlStateNormal];
    
    UIImage *toolBarImage = [[UIImage imageNamed:@"ui_toolbar_container"]  resizableImageWithCapInsets:UIEdgeInsetsMake(25, 5, 5, 5)];
    [[UISearchBar appearance] setBackgroundImage:toolBarImage];
    [[UIToolbar appearance] setBackgroundImage:toolBarImage forToolbarPosition:UIToolbarPositionAny barMetrics:UIBarMetricsDefault];
    
    /*
     UIImage *minImage = [[UIImage imageNamed:@"slider-minimum.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(0, 5, 0, 0)];
     UIImage *maxImage = [[UIImage imageNamed:@"slider-maximum.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(0, 5, 0, 0)];
     UIImage *thumbImage = [UIImage imageNamed:@"slider-handle.png"];
     
     [[UISlider appearance] setMaximumTrackImage:maxImage forState:UIControlStateNormal];
     [[UISlider appearance] setMinimumTrackImage:minImage forState:UIControlStateNormal];
     [[UISlider appearance] setThumbImage:thumbImage forState:UIControlStateNormal];
     
     UIImage *segmentSelected = [[UIImage imageNamed:@"segcontrol_sel.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(0, 4, 0, 4)];
     UIImage *segmentUnselected = [[UIImage imageNamed:@"segcontrol_uns.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(0, 15, 0, 15)];
     UIImage *segmentSelectedUnselected = [UIImage imageNamed:@"segcontrol_sel-uns.png"];
     UIImage *segUnselectedSelected = [UIImage imageNamed:@"segcontrol_uns-sel.png"];
     UIImage *segmentUnselectedUnselected = [UIImage imageNamed:@"segcontrol_uns-uns.png"];
     
     [[UISegmentedControl appearance] setBackgroundImage:segmentUnselected forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
     [[UISegmentedControl appearance] setBackgroundImage:segmentSelected forState:UIControlStateSelected barMetrics:UIBarMetricsDefault];
     
     [[UISegmentedControl appearance] setDividerImage:segmentUnselectedUnselected forLeftSegmentState:UIControlStateNormal rightSegmentState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
     [[UISegmentedControl appearance] setDividerImage:segmentSelectedUnselected forLeftSegmentState:UIControlStateSelected rightSegmentState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
     [[UISegmentedControl appearance] setDividerImage:segUnselectedSelected forLeftSegmentState:UIControlStateNormal rightSegmentState:UIControlStateSelected barMetrics:UIBarMetricsDefault];*/
    
    [[NSNotificationCenter defaultCenter] addObserverForName:kIASKAppSettingChanged object:nil queue:nil
                                                  usingBlock:^(NSNotification *note) {
                                                      [self checkConfig];
                                                  }];
    
#ifdef ADHOC
    [PearlAlert showAlertWithTitle:@"Welcome, tester!" message:
     @"Thank you for taking the time to test Master Password.\n\n"
     @"Please provide any feedback, however minor it may seem, via the Feedback action item accessible from the top right.\n\n"
     @"Contact me directly at:\n"
     @"lhunath@lyndir.com\n"
     @"Or report detailed issues at:\n"
     @"https://youtrack.lyndir.com\n"
                         viewStyle:UIAlertViewStyleDefault tappedButtonBlock:nil
                       cancelTitle:nil otherTitles:[PearlStrings get].commonButtonOkay, nil];
#else
    @try {
        ATAppRatingFlow *sharedFlow = [ATAppRatingFlow sharedRatingFlowWithAppID:[PearlConfig get].iTunesID];
        [sharedFlow appDidLaunch:YES viewController:self.navigationController];
    }
    @catch (NSException *exception) {
        err(@"Apptentive: %@", exception);
    }
#endif
    
    [[UIApplication sharedApplication] setStatusBarHidden:NO
                                            withAnimation:UIStatusBarAnimationSlide];

    return [super application:application didFinishLaunchingWithOptions:launchOptions];
}

- (BOOL)application:(UIApplication *)application openURL:(NSURL *)url
  sourceApplication:(NSString *)sourceApplication annotation:(id)annotation {
    
    __autoreleasing NSError *error;
    __autoreleasing NSURLResponse *response;
    NSData *importedSitesData = [NSURLConnection sendSynchronousRequest:[NSURLRequest requestWithURL:url]
                                                      returningResponse:&response error:&error];
    if (error)
        err(@"While reading imported sites from %@: %@", url, error);
    if (!importedSitesData)
        return NO;
    
    NSString *importedSitesString = [[NSString alloc] initWithData:importedSitesData encoding:NSUTF8StringEncoding];
    [PearlAlert showAlertWithTitle:@"Import Password" message:
     @"Enter the master password for this export:"
                         viewStyle:UIAlertViewStyleSecureTextInput tappedButtonBlock:
     ^(UIAlertView *alert, NSInteger buttonIndex) {
         dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
             MPImportResult result = [self importSites:importedSitesString withPassword:[alert textFieldAtIndex:0].text
                                       askConfirmation:^BOOL(NSUInteger importCount, NSUInteger deleteCount) {
                                           __block BOOL confirmation = NO;
                                           
                                           dispatch_group_t confirmationGroup = dispatch_group_create();
                                           dispatch_group_enter(confirmationGroup);
                                           dispatch_async(dispatch_get_main_queue(), ^{
                                               [PearlAlert showAlertWithTitle:@"Import Sites?"
                                                                      message:PearlLocalize(@"Import %d sites, overwriting %d existing sites?", importCount, deleteCount)
                                                                    viewStyle:UIAlertViewStyleDefault
                                                            tappedButtonBlock:^(UIAlertView *alert, NSInteger buttonIndex) {
                                                                if (buttonIndex != [alert cancelButtonIndex])
                                                                    confirmation = YES;
                                                                
                                                                dispatch_group_leave(confirmationGroup);
                                                            }
                                                                  cancelTitle:[PearlStrings get].commonButtonCancel
                                                                  otherTitles:@"Import", nil];
                                           });
                                           dispatch_group_wait(confirmationGroup, DISPATCH_TIME_FOREVER);
                                           
                                           return confirmation;
                                       }];
             
             switch (result) {
                 case MPImportResultSuccess:
                 case MPImportResultCancelled:
                     break;
                 case MPImportResultInternalError:
                     [PearlAlert showError:@"Import failed because of an internal error."];
                     break;
                 case MPImportResultMalformedInput:
                     [PearlAlert showError:@"The import doesn't look like a Master Password export."];
                     break;
                 case MPImportResultInvalidPassword:
                     [PearlAlert showError:@"Incorrect master password for the import sites."];
                     break;
             }
         });
     }
                       cancelTitle:[PearlStrings get].commonButtonCancel otherTitles:@"Unlock File", nil];
    
    return YES;
}

- (void)applicationDidBecomeActive:(UIApplication *)application {
    
    if ([[MPiOSConfig get].showQuickStart boolValue])
        [self showGuide];
    else {
        [self loadKey:NO];
        [self checkConfig];
    }
    
    [TestFlight passCheckpoint:MPTestFlightCheckpointActivated];
    
    ATAppRatingFlow *sharedFlow = [ATAppRatingFlow sharedRatingFlowWithAppID:[PearlConfig get].iTunesID];
    [sharedFlow appDidEnterForeground:YES viewController:self.navigationController];
    
    [super applicationDidBecomeActive:application];
}

- (void)applicationDidEnterBackground:(UIApplication *)application {
    
    [[LocalyticsSession sharedLocalyticsSession] close];
    [[LocalyticsSession sharedLocalyticsSession] upload];
    
    [super applicationDidEnterBackground:application];
}

- (void)applicationWillEnterForeground:(UIApplication *)application {
    
    [[LocalyticsSession sharedLocalyticsSession] resume];
    [[LocalyticsSession sharedLocalyticsSession] upload];
    
    [super applicationWillEnterForeground:application];
}

- (void)applicationWillTerminate:(UIApplication *)application {
    
    [self saveContext];
    
    [TestFlight passCheckpoint:MPTestFlightCheckpointTerminated];
    
    [[LocalyticsSession sharedLocalyticsSession] close];
    [[LocalyticsSession sharedLocalyticsSession] upload];
    
    [super applicationWillTerminate:application];
}

- (void)applicationWillResignActive:(UIApplication *)application {
    
    [self saveContext];
    
    if (![[MPiOSConfig get].rememberKey boolValue]) {
        [self updateKey:nil];
        [self loadKey:NO];
    }
    
    [TestFlight passCheckpoint:MPTestFlightCheckpointDeactivated];
}

#pragma mark - MFMailComposeViewControllerDelegate

- (void)mailComposeController:(MFMailComposeViewController *)controller
          didFinishWithResult:(MFMailComposeResult)result error:(NSError *)error {
    
    if (error)
        err(@"Error composing mail message: %@", error);
    
    switch (result) {
        case MFMailComposeResultSaved:
        case MFMailComposeResultSent:
            break;
            
        case MFMailComposeResultFailed:
            [PearlAlert showError:@"A problem occurred while sending the message." tappedButtonBlock:^(UIAlertView *alert, NSInteger buttonIndex) {
                if (buttonIndex == [alert firstOtherButtonIndex])
                    return;
            } otherTitles:@"Retry", nil];
            return;
        case MFMailComposeResultCancelled:
            break;
    }
    
    [controller dismissModalViewControllerAnimated:YES];
}

#pragma mark - UbiquityStoreManagerDelegate

- (void)ubiquityStoreManager:(UbiquityStoreManager *)manager didSwitchToiCloud:(BOOL)iCloudEnabled {
    
    [super ubiquityStoreManager:manager didSwitchToiCloud:iCloudEnabled];
    
    if (![[MPConfig get].iCloudDecided boolValue]) {
        if (!iCloudEnabled) {
            [PearlAlert showAlertWithTitle:@"iCloud"
                                   message:
             @"iCloud is now disabled.\n\n"
             @"It is highly recommended you enable iCloud."
                                 viewStyle:UIAlertViewStyleDefault tappedButtonBlock:^(UIAlertView *alert, NSInteger buttonIndex) {
                                     if (buttonIndex == [alert firstOtherButtonIndex] + 0) {
                                         [PearlAlert showAlertWithTitle:@"About iCloud"
                                                                message:
                                          @"iCloud is Apple's solution for saving your data in \"the cloud\" "
                                          @"and making sure your other iPhones, iPads and Macs are in sync.\n\n"
                                          @"For Master Password, that means your sites are available on all your "
                                          @"Apple devices, and you always have a backup of them in case "
                                          @"you loose one or need to restore.\n\n"
                                          @"Because of the way Master Password works, it doesn't need to send your "
                                          @"site's passwords to Apple.  Only their names are saved to make it easier "
                                          @"for you to find the site you need.  For some sites you may have set "
                                          @"a user-specified password: these are sent to iCloud after being encrypted "
                                          @"with your master password.\n\n"
                                          @"Apple can never see any of your passwords."
                                                              viewStyle:UIAlertViewStyleDefault
                                                      tappedButtonBlock:^(UIAlertView *alert, NSInteger buttonIndex) {
                                                          [self ubiquityStoreManager:manager didSwitchToiCloud:iCloudEnabled];
                                                      }
                                                            cancelTitle:[PearlStrings get].commonButtonThanks otherTitles:nil];
                                         return;
                                     }

                                     [MPConfig get].iCloudDecided = [NSNumber numberWithBool:YES];
                                     if (buttonIndex == [alert cancelButtonIndex])
                                         return;
                                     if (buttonIndex == [alert firstOtherButtonIndex] + 1)
                                         [manager useiCloudStore:YES alertUser:NO];
                                 } cancelTitle:@"Leave iCloud Off" otherTitles:@"Explain?", @"Enable iCloud", nil];
        }
    }
}

#pragma mark - TestFlight


- (NSDictionary *)testFlightInfo {
    
    static NSDictionary *testFlightInfo = nil;
    if (testFlightInfo == nil)
        testFlightInfo = [[NSDictionary alloc] initWithContentsOfURL:
                          [[NSBundle mainBundle] URLForResource:@"TestFlight" withExtension:@"plist"]];
    
    return testFlightInfo;
}

- (NSString *)testFlightToken {
    
    return NullToNil([[self testFlightInfo] valueForKeyPath:@"Team Token"]);
}


#pragma mark - Crashlytics


- (NSDictionary *)crashlyticsInfo {
    
    static NSDictionary *crashlyticsInfo = nil;
    if (crashlyticsInfo == nil)
        crashlyticsInfo = [[NSDictionary alloc] initWithContentsOfURL:
                           [[NSBundle mainBundle] URLForResource:@"Crashlytics" withExtension:@"plist"]];
    
    return crashlyticsInfo;
}

- (NSString *)crashlyticsAPIKey {
    
    return NullToNil([[self crashlyticsInfo] valueForKeyPath:@"API Key"]);
}


#pragma mark - Apptentive


- (NSDictionary *)apptentiveInfo {
    
    static NSDictionary *apptentiveInfo = nil;
    if (apptentiveInfo == nil)
        apptentiveInfo = [[NSDictionary alloc] initWithContentsOfURL:
                           [[NSBundle mainBundle] URLForResource:@"Apptentive" withExtension:@"plist"]];
    
    return apptentiveInfo;
}

- (NSString *)apptentiveAPIKey {
    
    return NullToNil([[self apptentiveInfo] valueForKeyPath:@"API Key"]);
}


#pragma mark - Localytics


- (NSDictionary *)localyticsInfo {
    
    static NSDictionary *localyticsInfo = nil;
    if (localyticsInfo == nil)
        localyticsInfo = [[NSDictionary alloc] initWithContentsOfURL:
                          [[NSBundle mainBundle] URLForResource:@"Localytics" withExtension:@"plist"]];
    
    return localyticsInfo;
}

- (NSString *)localyticsKey {
    
#ifdef DEBUG
    return NullToNil([[self localyticsInfo] valueForKeyPath:@"Key.development"]);
#elif defined(LITE)
    return NullToNil([[self localyticsInfo] valueForKeyPath:@"Key.distribution.lite"]);
#else
    return NullToNil([[self localyticsInfo] valueForKeyPath:@"Key.distribution"]);
#endif
}

@end