Dactyloidae iOS initial commit

mobile/ios/Client/Frontend/AuthenticationManager/SetupPasscodeViewController.swift

@@ -0,0 +1,68 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+import Foundation
+import Shared
+import SwiftKeychainWrapper
+
+let NotificationPasscodeDidCreate   = "NotificationPasscodeDidCreate"
+
+/// Displayed to the user when setting up a passcode.
+class SetupPasscodeViewController: PagingPasscodeViewController, PasscodeInputViewDelegate {
+    fileprivate var confirmCode: String?
+
+    override init() {
+        super.init()
+        self.title = AuthenticationStrings.setPasscode
+        self.panes = [
+            PasscodePane(title: AuthenticationStrings.enterAPasscode, passcodeSize: 6),
+            PasscodePane(title: AuthenticationStrings.reenterPasscode, passcodeSize: 6),
+        ]
+    }
+    
+    required init?(coder aDecoder: NSCoder) {
+        fatalError("init(coder:) has not been implemented")
+    }
+    
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        panes.forEach { $0.codeInputView.delegate = self }
+
+        // Don't show the keyboard or allow typing if we're locked out. Also display the error.
+        if authenticationInfo?.isLocked() ?? false {
+            displayLockoutError()
+            panes.first?.codeInputView.isUserInteractionEnabled = false
+        } else {
+            panes.first?.codeInputView.becomeFirstResponder()
+        }
+    }
+
+    func passcodeInputView(_ inputView: PasscodeInputView, didFinishEnteringCode code: String) {
+        switch currentPaneIndex {
+        case 0:
+            confirmCode = code
+            scrollToNextAndSelect()
+        case 1:
+            // Constraint: The first and confirmation codes must match.
+            if confirmCode != code {
+                failMismatchPasscode()
+                resetAllInputFields()
+                scrollToPreviousAndSelect()
+                confirmCode = nil
+                return
+            }
+
+            createPasscodeWithCode(code)
+            dismissAnimated()
+        default:
+            break
+        }
+    }
+
+    fileprivate func createPasscodeWithCode(_ code: String) {
+        KeychainWrapper.sharedAppContainerKeychain.setAuthenticationInfo(AuthenticationKeychainInfo(passcode: code))
+        let notificationCenter = NotificationCenter.default
+        notificationCenter.post(name: Notification.Name(rawValue: NotificationPasscodeDidCreate), object: nil)
+    }
+}