Support injection of TrollInstaller2 into ANY AppStore encrypted IPA

Installer/TrollInstaller2/TSI2AppDelegate.h

@@ -1,6 +0,0 @@
-
-#import <UIKit/UIKit.h>
-
-@interface TSI2AppDelegate : UIResponder <UIApplicationDelegate>
-
-@end

Installer/TrollInstaller2/TSI2AppDelegateNoScene.h

@@ -0,0 +1,7 @@
+
+#import <UIKit/UIKit.h>
+
+@interface TSI2AppDelegateNoScene : UIResponder <UIApplicationDelegate>
+@property (nonatomic, strong) UIWindow *window;
+@property (nonatomic, strong) UINavigationController *rootViewController;
+@end

Installer/TrollInstaller2/TSI2AppDelegateNoScene.m

@@ -0,0 +1,14 @@
+#import "TSI2AppDelegateNoScene.h"
+#import "TSI2RootViewController.h"
+
+@implementation TSI2AppDelegateNoScene
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
+	_window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
+	_rootViewController = [[UINavigationController alloc] initWithRootViewController:[[TSI2RootViewController alloc] init]];
+	_window.rootViewController = _rootViewController;
+	[_window makeKeyAndVisible];
+	return YES;
+}
+
+@end

Installer/TrollInstaller2/TSI2AppDelegateWithScene.h

@@ -0,0 +1,6 @@
+
+#import <UIKit/UIKit.h>
+
+@interface TSI2AppDelegateWithScene : UIResponder <UIApplicationDelegate>
+
+@end

Installer/TrollInstaller2/TSI2AppDelegateWithScene.m

@@ -1,6 +1,6 @@
-#import "TSI2AppDelegate.h"
+#import "TSI2AppDelegateWithScene.h"
 
-@implementation TSI2AppDelegate
+@implementation TSI2AppDelegateWithScene
 
 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
 	return YES;

Installer/TrollInstaller2/main.m

@@ -1,14 +1,69 @@
 #import <Foundation/Foundation.h>
-#import "TSI2AppDelegate.h"
+#import "TSI2AppDelegateNoScene.h"
+#import "TSI2AppDelegateWithScene.h"
 #import "TSI2SceneDelegate.h"
 #import <objc/runtime.h>
 
 extern int rootHelperMain(int argc, char *argv[], char *envp[]);
 
-void classFixup(void)
+BOOL sceneDelegateFix(void)
 {
-	Class newClass = objc_allocateClassPair([TSI2SceneDelegate class], "WWDC.SceneDelegate", 0);
-	objc_registerClassPair(newClass);
+	NSString* sceneDelegateClassName = nil;
+	
+	NSDictionary* UIApplicationSceneManifest = [NSBundle.mainBundle objectForInfoDictionaryKey:@"UIApplicationSceneManifest"];
+	if(UIApplicationSceneManifest && [UIApplicationSceneManifest isKindOfClass:NSDictionary.class])
+	{
+		NSDictionary* UISceneConfiguration = UIApplicationSceneManifest[@"UISceneConfigurations"];
+		if(UISceneConfiguration && [UISceneConfiguration isKindOfClass:NSDictionary.class])
+		{
+			NSArray* UIWindowSceneSessionRoleApplication = UISceneConfiguration[@"UIWindowSceneSessionRoleApplication"];
+			if(UIWindowSceneSessionRoleApplication && [UIWindowSceneSessionRoleApplication isKindOfClass:NSArray.class])
+			{
+				NSDictionary* sceneToUse = nil;
+				if(UIWindowSceneSessionRoleApplication.count > 1)
+				{
+					for(NSDictionary* scene in UIWindowSceneSessionRoleApplication)
+					{
+						if([scene isKindOfClass:NSDictionary.class])
+						{
+							NSString* UISceneConfigurationName = scene[@"UISceneConfigurationName"];
+							if([UISceneConfigurationName isKindOfClass:NSString.class])
+							{
+								if([UISceneConfigurationName isEqualToString:@"Default Configuration"])
+								{
+									sceneToUse = scene;
+									break;
+								}
+							}
+						}
+					}
+
+					if(!sceneToUse)
+					{
+						sceneToUse = UIWindowSceneSessionRoleApplication.firstObject;
+					}
+				}
+				else
+				{
+					sceneToUse = UIWindowSceneSessionRoleApplication.firstObject;
+				}
+
+				if(sceneToUse && [sceneToUse isKindOfClass:NSDictionary.class])
+				{
+					sceneDelegateClassName = sceneToUse[@"UISceneDelegateClassName"];
+				}
+			}
+		}
+	}
+
+	if(sceneDelegateClassName && [sceneDelegateClassName isKindOfClass:NSString.class])
+	{
+		Class newClass = objc_allocateClassPair([TSI2SceneDelegate class], sceneDelegateClassName.UTF8String, 0);
+		objc_registerClassPair(newClass);
+		return YES;
+	}
+
+	return NO;
 }
 
 int main(int argc, char *argv[], char *envp[]) {
@@ -21,8 +76,15 @@ int main(int argc, char *argv[], char *envp[]) {
 		}
 		else
 		{
-			classFixup();
-			return UIApplicationMain(argc, argv, nil, NSStringFromClass(TSI2AppDelegate.class));
+			BOOL usesSceneDelegate = sceneDelegateFix();
+			if(usesSceneDelegate)
+			{
+				return UIApplicationMain(argc, argv, nil, NSStringFromClass(TSI2AppDelegateWithScene.class));
+			}
+			else
+			{
+				return UIApplicationMain(argc, argv, nil, NSStringFromClass(TSI2AppDelegateNoScene.class));
+			}
 		}
 	}
 }