ios: ask permission to open profiles (#1910)

apps/ios/Shared/Views/Helpers/LocalAuthenticationUtils.swift

@@ -15,6 +15,16 @@ enum LAResult {
     case unavailable(authError: String?)
 }
 
+func authorize(_ text: String, _ authorized: Binding<Bool>) {
+    authenticate(reason: text) { laResult in
+        switch laResult {
+        case .success: authorized.wrappedValue = true
+        case .unavailable: authorized.wrappedValue = true
+        case .failed: authorized.wrappedValue = false
+        }
+    }
+}
+
 func authenticate(reason: String, completed: @escaping (LAResult) -> Void) {
     let laContext = LAContext()
     var authAvailabilityError: NSError?

apps/ios/Shared/Views/TerminalView.swift

@@ -30,15 +30,7 @@ struct TerminalView: View {
         }
     }
 
-    private func runAuth() {
-        authenticate(reason: NSLocalizedString("Open chat console", comment: "authentication reason")) { laResult in
-            switch laResult {
-            case .success: authorized = true
-            case .unavailable: authorized = true
-            case .failed: authorized = false
-            }
-        }
-    }
+    private func runAuth() { authorize(NSLocalizedString("Open chat console", comment: "authentication reason"), $authorized) }
 
     private func terminalView() -> some View {
         VStack {

apps/ios/Shared/Views/UserSettings/SettingsView.swift

@@ -121,7 +121,6 @@ struct SettingsView: View {
 
                     NavigationLink {
                         UserProfilesView()
-                            .navigationTitle("Your chat profiles")
                     } label: {
                         settingsRow("person.crop.rectangle.stack") { Text("Your chat profiles") }
                     }

apps/ios/Shared/Views/UserSettings/UserProfilesView.swift

@@ -12,6 +12,7 @@ struct UserProfilesView: View {
     @State private var showDeleteConfirmation = false
     @State private var userToDelete: Int?
     @State private var alert: UserProfilesAlert?
+    @State var authorized = !UserDefaults.standard.bool(forKey: DEFAULT_PERFORM_LA)
 
     private enum UserProfilesAlert: Identifiable {
         case deleteUser(index: Int, delSMPQueues: Bool)
@@ -28,6 +29,17 @@ struct UserProfilesView: View {
     }
 
     var body: some View {
+        if authorized {
+            userProfilesView()
+        } else {
+            Button(action: runAuth) { Label("Unlock", systemImage: "lock") }
+            .onAppear(perform: runAuth)
+        }
+    }
+
+    private func runAuth() { authorize(NSLocalizedString("Open user profiles", comment: "authentication reason"), $authorized) }
+
+    private func userProfilesView() -> some View {
         List {
             Section {
                 ForEach(m.users) { u in
@@ -52,6 +64,7 @@ struct UserProfilesView: View {
             }
         }
         .toolbar { EditButton() }
+        .navigationTitle("Your chat profiles")
         .confirmationDialog("Delete chat profile?", isPresented: $showDeleteConfirmation, titleVisibility: .visible) {
             deleteModeButton("Profile and server connections", true)
             deleteModeButton("Local profile data only", false)