add passcode and touch ID

pass/AppDelegate.swift

@@ -8,6 +8,7 @@
 
 import UIKit
 import CoreData
+import PasscodeLock
 
 @UIApplicationMain
 class AppDelegate: UIResponder, UIApplicationDelegate {
@@ -23,6 +24,8 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     func applicationWillResignActive(_ application: UIApplication) {
         // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
         // Use this method to pause ongoing tasks, disable timers, and invalidate graphics rendering callbacks. Games should use this method to pause the game.
+        let passcodeEnterViewController = PasscodeLockViewController(state: .enter, configuration: Globals.shared.passcodeConfiguration)
+        UIApplication.shared.keyWindow?.rootViewController?.present(passcodeEnterViewController, animated: true, completion: nil)
     }
 
     func applicationDidEnterBackground(_ application: UIApplication) {

pass/DefaultKeys.swift

@@ -25,6 +25,6 @@ extension DefaultsKeys {
     static let gitRepositorySSHPrivateKeyPassphrase = DefaultsKey<String?>("gitRepositorySSHPrivateKeyPassphrase")
     static let lastUpdatedTime = DefaultsKey<Date?>("lasteUpdatedTime")
     
-    static let isPasscodeOn = DefaultsKey<Bool>("isPasscodeOn")
     static let isTouchIDOn = DefaultsKey<Bool>("isTouchIDOn")
+    static let passcodeKey = DefaultsKey<String?>("passcodeKey")
 }

pass/Globals.swift

@@ -14,5 +14,6 @@ class Globals {
     let secringPath = "\(NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0])/secring.gpg"
     let sshPublicKeyPath = URL(fileURLWithPath: "\(NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0])/ssh_key.pub")
     let sshPrivateKeyPath = URL(fileURLWithPath: "\(NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0])/ssh_key")
+    var passcodeConfiguration = PasscodeLockConfiguration()
     private init() { }
 }

pass/PasscodeLockConfiguration.swift

@@ -0,0 +1,29 @@
+//
+//  PasscodeLockConfiguration.swift
+//  pass
+//
+//  Created by Mingshen Sun on 7/2/2017.
+//  Copyright © 2017 Bob Sun. All rights reserved.
+//
+
+import Foundation
+import PasscodeLock
+
+struct PasscodeLockConfiguration: PasscodeLockConfigurationType {
+    
+    let repository: PasscodeRepositoryType
+    let passcodeLength = 4
+    var isTouchIDAllowed = false
+    let shouldRequestTouchIDImmediately = true
+    let maximumInccorectPasscodeAttempts = 3
+    
+    init(repository: PasscodeRepositoryType) {
+        
+        self.repository = repository
+    }
+    
+    init() {
+        
+        self.repository = PasscodeLockRepository()
+    }
+}

pass/PasscodeLockRepository.swift

@@ -0,0 +1,42 @@
+//
+//  PasscodeRepository.swift
+//  pass
+//
+//  Created by Mingshen Sun on 7/2/2017.
+//  Copyright © 2017 Bob Sun. All rights reserved.
+//
+
+import Foundation
+import PasscodeLock
+import SwiftyUserDefaults
+
+public class PasscodeLockRepository: PasscodeRepositoryType {
+    private let passcodeKey = "passcode.lock.passcode"
+    
+    public var hasPasscode: Bool {
+        
+        if passcode != nil {
+            return true
+        }
+        
+        return false
+    }
+    
+    private var passcode: String? {
+        return Defaults[.passcodeKey]
+    }
+    
+    public func save(passcode: String) {
+        Defaults[.passcodeKey] = passcode
+        print(passcode)
+    }
+    
+    public func check(passcode: String) -> Bool {
+        return self.passcode == passcode
+    }
+    
+    public func delete() {
+        Defaults[.passcodeKey] = nil
+        print("delete")
+    }
+}

pass/SettingsTableViewController.swift

@@ -10,9 +10,11 @@ import UIKit
 import SVProgressHUD
 import CoreData
 import SwiftyUserDefaults
+import PasscodeLock
 
 class SettingsTableViewController: UITableViewController {
-        
+    
+    let repository = PasscodeLockRepository()
     @IBOutlet weak var pgpKeyTableViewCell: UITableViewCell!
     @IBOutlet weak var touchIDTableViewCell: UITableViewCell!
     @IBOutlet weak var passcodeTableViewCell: UITableViewCell!
@@ -108,13 +110,27 @@ class SettingsTableViewController: UITableViewController {
         super.viewDidLoad()
         let touchIDSwitch = UISwitch(frame: CGRect.zero)
         touchIDTableViewCell.accessoryView = touchIDSwitch
-        touchIDSwitch.isOn = false
         touchIDSwitch.addTarget(self, action: #selector(touchIDSwitchAction), for: UIControlEvents.valueChanged)
+        if Defaults[.isTouchIDOn] {
+            touchIDSwitch.isOn = true
+        } else {
+            touchIDSwitch.isOn = false
+        }
+        if repository.hasPasscode {
+            self.passcodeTableViewCell.detailTextLabel?.text = "On"
+            print(Defaults[.passcodeKey]!)
+        } else {
+            self.passcodeTableViewCell.detailTextLabel?.text = "Off"
+        }
     }
     
     override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
         if tableView.cellForRow(at: indexPath) == passcodeTableViewCell {
-            showPasscodeActionSheet()
+            if Defaults[.passcodeKey] != nil{
+                showPasscodeActionSheet()
+            } else {
+                setPasscodeLock()
+            }
             tableView.deselectRow(at: indexPath, animated: true)
         }
     }
@@ -130,20 +146,40 @@ class SettingsTableViewController: UITableViewController {
     
     func touchIDSwitchAction(uiSwitch: UISwitch) {
         if uiSwitch.isOn {
-            print("UISwitch is ON")
+            Globals.shared.passcodeConfiguration.isTouchIDAllowed = true
         } else {
-            print("UISwitch is OFF")
+            Globals.shared.passcodeConfiguration.isTouchIDAllowed = false
         }
     }
     
     func showPasscodeActionSheet() {
+        let passcodeChangeViewController = PasscodeLockViewController(state: .change, configuration: Globals.shared.passcodeConfiguration)
+        let passcodeRemoveViewController = PasscodeLockViewController(state: .remove, configuration: Globals.shared.passcodeConfiguration)
+
         let optionMenu = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
-        let removePasscodeAction = UIAlertAction(title: "Remove Passcode", style: .destructive, handler: nil)
-        let changePasscodeAction = UIAlertAction(title: "Change Passcode", style: .default, handler: nil)
+        let removePasscodeAction = UIAlertAction(title: "Remove Passcode", style: .destructive) { [unowned self] _ in
+            passcodeRemoveViewController.successCallback  = { _ in
+                self.passcodeTableViewCell.detailTextLabel?.text = "Off"
+            }
+            self.present(passcodeRemoveViewController, animated: true, completion: nil)
+        }
+        
+        let changePasscodeAction = UIAlertAction(title: "Change Passcode", style: .default) { [unowned self] _ in
+            self.present(passcodeChangeViewController, animated: true, completion: nil)
+        }
+        
         let cancelAction = UIAlertAction(title: "Cancel", style: .cancel, handler: nil)
         optionMenu.addAction(removePasscodeAction)
         optionMenu.addAction(changePasscodeAction)
         optionMenu.addAction(cancelAction)
         self.present(optionMenu, animated: true, completion: nil)
     }
+    
+    func setPasscodeLock() {
+        let passcodeSetViewController = PasscodeLockViewController(state: .set, configuration: Globals.shared.passcodeConfiguration)
+        passcodeSetViewController.successCallback = { _ in
+            self.passcodeTableViewCell.detailTextLabel?.text = "On"
+        }
+        present(passcodeSetViewController, animated: true, completion: nil)
+    }
 }