MESSENGER-2762 Initial Merge

Riot/Modules/SecureBackup/Setup/SecureBackupSetupCoordinator.swift

@@ -2,6 +2,7 @@
 // $ createRootCoordinator.sh KeyBackupSetup/SecureSetup SecureKeyBackupSetup
 /*
  Copyright 2020 New Vector Ltd
+ Copyright (c) 2021 BWI GmbH
  
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
@@ -20,27 +21,34 @@ import UIKit
 
 @objcMembers
 final class SecureBackupSetupCoordinator: SecureBackupSetupCoordinatorType {
-    
+
     // MARK: - Properties
-    
+
     // MARK: Private
-    
+
     private let navigationRouter: NavigationRouterType
     private let session: MXSession
     private let recoveryService: MXRecoveryService
     private let keyBackup: MXKeyBackup?
     private let checkKeyBackup: Bool
+
+    private var isBackupSetupMethodKeySupported: Bool {
+        guard let homeserverWellknown = self.session.homeserverWellknown else {
+            return false
+        }
+        return homeserverWellknown.isBackupMethodKeySupported()
+    }
     private let allowOverwrite: Bool
 
     // MARK: Public
 
     // Must be used only internally
     var childCoordinators: [Coordinator] = []
-    
+
     weak var delegate: SecureBackupSetupCoordinatorDelegate?
-    
+
     // MARK: - Setup
-    
+
     /// Initializer
     /// - Parameters:
     ///   - session: The MXSession.
@@ -51,52 +59,65 @@ final class SecureBackupSetupCoordinator: SecureBackupSetupCoordinatorType {
         self.recoveryService = session.crypto.recoveryService
         self.keyBackup = session.crypto.backup
         self.checkKeyBackup = checkKeyBackup
+
         self.allowOverwrite = allowOverwrite
-        
+
         if let navigationRouter = navigationRouter {
             self.navigationRouter = navigationRouter
         } else {
             self.navigationRouter = NavigationRouter(navigationController: RiotNavigationController())
         }
     }
-    
+
     // MARK: - Public methods
-    
+
     func start() {
         let rootViewController = self.createIntro()
-        
+
         if self.navigationRouter.modules.isEmpty == false {
             self.navigationRouter.push(rootViewController, animated: true, popCompletion: nil)
         } else {
             self.navigationRouter.setRootModule(rootViewController)
         }
     }
-    
+
     func toPresentable() -> UIViewController {
-        return self.navigationRouter.toPresentable()
+        let controller = self.navigationRouter.toPresentable()
+
+        // If the flow is not cancellable, run it fullscreen
+        if let session = AppDelegate.theDelegate().mxSessions.first as? MXSession {
+            if session.homeserverWellknown.backupRequired() {
+                if #available(iOS 13.0, *) {
+                    controller.modalPresentationStyle = .fullScreen
+                }
+            }
+        }
+
+        return controller
     }
-    
+
     // MARK: - Private methods
 
     private func createIntro() -> SecureBackupSetupIntroViewController {
         // TODO: Use a coordinator
-        let viewModel = SecureBackupSetupIntroViewModel(keyBackup: self.keyBackup, checkKeyBackup: self.checkKeyBackup)
+        let viewModel = SecureBackupSetupIntroViewModel(keyBackup: self.keyBackup, checkKeyBackup: self.checkKeyBackup, wellKnown: self.session.homeserverWellknown)
         let introViewController = SecureBackupSetupIntroViewController.instantiate(with: viewModel)
         introViewController.delegate = self
         return introViewController
     }
-    
+
     private func showSetupKey(passphraseOnly: Bool, passphrase: String? = nil) {
+
         let coordinator = SecretsSetupRecoveryKeyCoordinator(recoveryService: self.recoveryService, passphrase: passphrase, passphraseOnly: passphraseOnly, allowOverwrite: allowOverwrite)
         coordinator.delegate = self
         coordinator.start()
-        
+
         self.add(childCoordinator: coordinator)
         self.navigationRouter.push(coordinator, animated: true) { [weak self] in
             self?.remove(childCoordinator: coordinator)
         }
     }
-    
+
     private func showSetupPassphrase() {
         let coordinator = SecretsSetupRecoveryPassphraseCoordinator(passphraseInput: .new)
         coordinator.delegate = self
@@ -197,15 +218,17 @@ extension SecureBackupSetupCoordinator: SecretsSetupRecoveryKeyCoordinatorDelega
 
 // MARK: - SecretsSetupRecoveryPassphraseCoordinatorDelegate
 extension SecureBackupSetupCoordinator: SecretsSetupRecoveryPassphraseCoordinatorDelegate {
-    
+
     func secretsSetupRecoveryPassphraseCoordinator(_ coordinator: SecretsSetupRecoveryPassphraseCoordinatorType, didEnterNewPassphrase passphrase: String) {
         self.showSetupPassphraseConfirmation(with: passphrase)
     }
-    
+
     func secretsSetupRecoveryPassphraseCoordinator(_ coordinator: SecretsSetupRecoveryPassphraseCoordinatorType, didConfirmPassphrase passphrase: String) {
-        self.showSetupKey(passphraseOnly: false, passphrase: passphrase)        
+
+        // Do not present recovery key export screen if secure backup setup key method is not supported
+        self.showSetupKey(passphraseOnly: !self.isBackupSetupMethodKeySupported, passphrase: passphrase)
     }
-    
+
     func secretsSetupRecoveryPassphraseCoordinatorDidCancel(_ coordinator: SecretsSetupRecoveryPassphraseCoordinatorType) {
         self.didCancel()
     }