Adds support for sideloading unc0ver

AltStore/Managing Apps/AppManager.swift

@@ -21,6 +21,8 @@ extension AppManager
     static let didFetchSourceNotification = Notification.Name("com.altstore.AppManager.didFetchSource")
     
     static let expirationWarningNotificationID = "altstore-expiration-warning"
+    
+    static let whitelistedSideloadingBundleIDs: Set<String> = ["science.xnu.undecimus"]
 }
 
 class AppManager

AltStore/My Apps/MyAppsViewController.swift

@@ -67,6 +67,12 @@ class MyAppsViewController: UICollectionViewController
     {
         super.viewDidLoad()
         
+        #if !BETA
+        // Set leftBarButtonItem to invisible UIBarButtonItem so we can still use it
+        // to show an activity indicator while sideloading whitelisted apps.
+        self.navigationItem.leftBarButtonItem = UIBarButtonItem(title: "", style: .plain, target: nil, action: nil)
+        #endif
+        
         if #available(iOS 13.0, *)
         {
             self.navigationItem.leftBarButtonItem?.activityIndicatorView.style = .medium
@@ -89,10 +95,6 @@ class MyAppsViewController: UICollectionViewController
         self.sideloadingProgressView.progressTintColor = .altPrimary
         self.sideloadingProgressView.progress = 0
         
-        #if !BETA
-        self.navigationItem.leftBarButtonItem = nil
-        #endif
-        
         if let navigationBar = self.navigationController?.navigationBar
         {
             navigationBar.addSubview(self.sideloadingProgressView)
@@ -646,7 +648,7 @@ private extension MyAppsViewController
         self.present(alertController, animated: true, completion: nil)
     }
     
-    func installApp(at fileURL: URL, completion: @escaping (Result<Void, Error>) -> Void)
+    func sideloadApp(at fileURL: URL, completion: @escaping (Result<Void, Error>) -> Void)
     {
         self.navigationItem.leftBarButtonItem?.isIndicatingActivity = true
         
@@ -661,6 +663,10 @@ private extension MyAppsViewController
                 
                 guard let application = ALTApplication(fileURL: unzippedApplicationURL) else { throw OperationError.invalidApp }
                 
+                #if !BETA
+                guard AppManager.whitelistedSideloadingBundleIDs.contains(application.bundleIdentifier) else { throw OperationError.sideloadingAppNotSupported(application) }
+                #endif
+                
                 self.sideloadingProgress = AppManager.shared.install(application, presentingViewController: self) { (result) in
                     try? FileManager.default.removeItem(at: temporaryDirectory)
                     
@@ -696,9 +702,28 @@ private extension MyAppsViewController
                 DispatchQueue.main.async {
                     self.navigationItem.leftBarButtonItem?.isIndicatingActivity = false
                     
+                    if let localizedError = error as? OperationError, case OperationError.sideloadingAppNotSupported = localizedError
+                    {
+                        let message = NSLocalizedString("""
+                        Sideloading apps is in beta, and is currently limited to a small number of apps. This restriction is temporary, and you will be able to sideload any app once the feature is finished.
+
+                        In the meantime, you can help us beta test sideloading apps by becoming a Patron.
+                        """, comment: "")
+                        
+                        let alertController = UIAlertController(title: localizedError.localizedDescription, message: message, preferredStyle: .alert)
+                        alertController.addAction(.cancel)
+                        alertController.addAction(UIAlertAction(title: NSLocalizedString("Become a Patron", comment: ""), style: .default, handler: { (action) in
+                            NotificationCenter.default.post(name: AppDelegate.openPatreonSettingsDeepLinkNotification, object: nil)
+                        }))
+                        
+                        self.present(alertController, animated: true, completion: nil)
+                    }
+                    else
+                    {
                         let toastView = ToastView(error: error)
                         toastView.show(in: self)
                     }
+                }
                 
                 completion(.failure(error))
             }
@@ -764,7 +789,8 @@ private extension MyAppsViewController
     
     @objc func importApp(_ notification: Notification)
     {
-        #if BETA
+        // Make sure left UIBarButtonItem has been set.
+        self.loadViewIfNeeded()
         
         guard let fileURL = notification.userInfo?[AppDelegate.importAppDeepLinkURLKey] as? URL else { return }
         guard self.presentedViewController == nil else { return }
@@ -781,10 +807,12 @@ private extension MyAppsViewController
             }
         }
         
+        #if BETA
+        
         self.presentSideloadingAlert { (shouldContinue) in
             if shouldContinue
             {
-                self.installApp(at: fileURL) { (result) in
+                self.sideloadApp(at: fileURL) { (result) in
                     finish()
                 }
             }
@@ -794,6 +822,12 @@ private extension MyAppsViewController
             }
         }
         
+        #else
+        
+        self.sideloadApp(at: fileURL) { (result) in
+            finish()
+        }
+        
         #endif
     }
 }
@@ -1034,7 +1068,7 @@ extension MyAppsViewController: UIDocumentPickerDelegate
     {
         guard let fileURL = urls.first else { return }
         
-        self.installApp(at: fileURL) { (result) in
+        self.sideloadApp(at: fileURL) { (result) in
             print("Sideloaded app at \(fileURL) with result:", result)
         }
     }

AltStore/Operations/OperationError.swift

@@ -24,6 +24,7 @@ enum OperationError: LocalizedError
     case invalidParameters
     
     case iOSVersionNotSupported(ALTApplication)
+    case sideloadingAppNotSupported(ALTApplication)
     case maximumAppIDLimitReached(application: ALTApplication, requiredAppIDs: Int, availableAppIDs: Int, nextExpirationDate: Date)
     
     case noSources
@@ -51,6 +52,10 @@ enum OperationError: LocalizedError
             let localizedDescription = String(format: NSLocalizedString("%@ requires %@.", comment: ""), name, version)
             return localizedDescription
             
+        case .sideloadingAppNotSupported(let app):
+            let localizedDescription = String(format: NSLocalizedString("Sideloading “%@” Not Supported", comment: ""), app.name)
+            return localizedDescription
+            
         case .maximumAppIDLimitReached: return NSLocalizedString("Cannot register more than 10 App IDs.", comment: "")
         }
     }