Dactyloidae iOS initial commit

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

@@ -0,0 +1,56 @@
+/* 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 SwiftKeychainWrapper
+import Shared
+
+let NotificationPasscodeDidRemove   = "NotificationPasscodeDidRemove"
+
+/// Displayed to the user when removing a passcode.
+class RemovePasscodeViewController: PagingPasscodeViewController, PasscodeInputViewDelegate {
+    override init() {
+        super.init()
+        self.title = AuthenticationStrings.turnOffPasscode
+        self.panes = [
+            PasscodePane(title: AuthenticationStrings.enterPasscode, passcodeSize: authenticationInfo?.passcode?.count ?? 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) {
+        if code != authenticationInfo?.passcode {
+            panes[currentPaneIndex].shakePasscode()
+            failIncorrectPasscode(inputView)
+            return
+        }
+
+        authenticationInfo?.recordValidation()
+        errorToast?.removeFromSuperview()
+        removePasscode()
+        dismissAnimated()
+    }
+
+    fileprivate func removePasscode() {
+        KeychainWrapper.sharedAppContainerKeychain.setAuthenticationInfo(nil)
+        let notificationCenter = NotificationCenter.default
+        notificationCenter.post(name: Notification.Name(rawValue: NotificationPasscodeDidRemove), object: nil)
+    }
+}