Display only available secure backup methods on setup

Riot/Modules/SecureBackup/Setup/Intro/SecureBackupSetupIntroViewController.swift

@@ -123,6 +123,21 @@ final class SecureBackupSetupIntroViewController: UIViewController {
             }
             self.delegate?.secureBackupSetupIntroViewControllerDidTapUsePassphrase(self)
         }
+
+        setupBackupMethods()
+    }
+
+    private func setupBackupMethods() {
+        let secureBackupSetupMethods = self.viewModel.homeserverEncryptionConfiguration.secureBackupSetupMethods
+
+        // Hide setup methods that are not listed
+        if !secureBackupSetupMethods.contains(.key) {
+            self.secureKeyCell.isHidden = true
+        }
+
+        if !secureBackupSetupMethods.contains(.passphrase) {
+            self.securePassphraseCell.isHidden = true
+        }
     }
     
     private func renderLoading() {

Riot/Modules/SecureBackup/Setup/Intro/SecureBackupSetupIntroViewModel.swift

@@ -23,11 +23,13 @@ final class SecureBackupSetupIntroViewModel: SecureBackupSetupIntroViewModelType
     // TODO: Make these properties private
     let keyBackup: MXKeyBackup?
     let checkKeyBackup: Bool
+    let homeserverEncryptionConfiguration: HomeserverEncryptionConfiguration
     
     // MARK: - Setup
     
-    init(keyBackup: MXKeyBackup?, checkKeyBackup: Bool) {
+    init(keyBackup: MXKeyBackup?, checkKeyBackup: Bool, homeserverEncryptionConfiguration: HomeserverEncryptionConfiguration) {
         self.keyBackup = keyBackup
         self.checkKeyBackup = checkKeyBackup
-    }    
+        self.homeserverEncryptionConfiguration = homeserverEncryptionConfiguration
+    }
 }

Riot/Modules/SecureBackup/Setup/Intro/SecureBackupSetupIntroViewModelType.swift

@@ -22,4 +22,5 @@ protocol SecureBackupSetupIntroViewModelType {
     // TODO: Hide these properties from interface and use same behavior as other view models
     var keyBackup: MXKeyBackup? { get }
     var checkKeyBackup: Bool { get }
+    var homeserverEncryptionConfiguration: HomeserverEncryptionConfiguration { get }
 }

Riot/Modules/SecureBackup/Setup/SecureBackupSetupCoordinator.swift

@@ -30,6 +30,7 @@ final class SecureBackupSetupCoordinator: SecureBackupSetupCoordinatorType {
     private let recoveryService: MXRecoveryService
     private let keyBackup: MXKeyBackup?
     private let checkKeyBackup: Bool
+    private let homeserverEncryptionConfiguration: HomeserverEncryptionConfiguration
     private let allowOverwrite: Bool
     private let cancellable: Bool
 
@@ -58,6 +59,7 @@ final class SecureBackupSetupCoordinator: SecureBackupSetupCoordinatorType {
         self.recoveryService = session.crypto.recoveryService
         self.keyBackup = session.crypto.backup
         self.checkKeyBackup = checkKeyBackup
+        self.homeserverEncryptionConfiguration = session.vc_homeserverConfiguration().encryption
         self.allowOverwrite = allowOverwrite
         self.cancellable = cancellable
         
@@ -90,7 +92,9 @@ final class SecureBackupSetupCoordinator: SecureBackupSetupCoordinatorType {
 
     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,
+                                                        homeserverEncryptionConfiguration: self.homeserverEncryptionConfiguration)
         let introViewController = SecureBackupSetupIntroViewController.instantiate(with: viewModel, cancellable: self.cancellable)
         introViewController.delegate = self
         return introViewController