346 lines
16 KiB
Swift
346 lines
16 KiB
Swift
//
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// SettingsTableViewController.swift
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// pass
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//
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// Created by Mingshen Sun on 18/1/2017.
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// Copyright © 2017 Bob Sun. All rights reserved.
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//
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import UIKit
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import SVProgressHUD
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import CoreData
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import PasscodeLock
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import LocalAuthentication
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import passKit
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class SettingsTableViewController: UITableViewController {
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lazy var touchIDSwitch: UISwitch = {
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let uiSwitch = UISwitch(frame: CGRect.zero)
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uiSwitch.onTintColor = Globals.blue
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uiSwitch.addTarget(self, action: #selector(touchIDSwitchAction), for: UIControlEvents.valueChanged)
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return uiSwitch
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}()
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@IBOutlet weak var pgpKeyTableViewCell: UITableViewCell!
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@IBOutlet weak var touchIDTableViewCell: UITableViewCell!
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@IBOutlet weak var passcodeTableViewCell: UITableViewCell!
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@IBOutlet weak var passwordRepositoryTableViewCell: UITableViewCell!
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let passwordStore = PasswordStore.shared
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var passcodeLockConfig = PasscodeLockConfiguration.shared
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@IBAction func cancelPGPKey(segue: UIStoryboardSegue) {
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}
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@IBAction func savePGPKey(segue: UIStoryboardSegue) {
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if let controller = segue.source as? PGPKeySettingTableViewController {
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SharedDefaults[.pgpPrivateKeyURL] = URL(string: controller.pgpPrivateKeyURLTextField.text!)
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SharedDefaults[.pgpPublicKeyURL] = URL(string: controller.pgpPublicKeyURLTextField.text!)
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if SharedDefaults[.isRememberPassphraseOn] {
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self.passwordStore.pgpKeyPassphrase = controller.pgpPassphrase
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}
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SharedDefaults[.pgpKeySource] = "url"
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SVProgressHUD.setDefaultMaskType(.black)
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SVProgressHUD.setDefaultStyle(.light)
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SVProgressHUD.show(withStatus: "Fetching PGP Key")
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DispatchQueue.global(qos: .userInitiated).async { [unowned self] in
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do {
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try self.passwordStore.initPGPKey(from: SharedDefaults[.pgpPublicKeyURL]!, keyType: .public)
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try self.passwordStore.initPGPKey(from: SharedDefaults[.pgpPrivateKeyURL]!, keyType: .secret)
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DispatchQueue.main.async {
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self.pgpKeyTableViewCell.detailTextLabel?.text = self.passwordStore.pgpKeyID
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SVProgressHUD.showSuccess(withStatus: "Success")
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SVProgressHUD.dismiss(withDelay: 1)
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Utils.alert(title: "Remember to Remove the Key", message: "Remember to remove the key from the server.", controller: self, completion: nil)
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}
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} catch {
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DispatchQueue.main.async {
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self.pgpKeyTableViewCell.detailTextLabel?.text = "Not Set"
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Utils.alert(title: "Error", message: error.localizedDescription, controller: self, completion: nil)
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}
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}
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}
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} else if let controller = segue.source as? PGPKeyArmorSettingTableViewController {
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SharedDefaults[.pgpKeySource] = "armor"
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if SharedDefaults[.isRememberPassphraseOn] {
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self.passwordStore.pgpKeyPassphrase = controller.pgpPassphrase
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}
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SharedDefaults[.pgpPublicKeyArmor] = controller.armorPublicKeyTextView.text!
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SharedDefaults[.pgpPrivateKeyArmor] = controller.armorPrivateKeyTextView.text!
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SVProgressHUD.setDefaultMaskType(.black)
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SVProgressHUD.setDefaultStyle(.light)
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SVProgressHUD.show(withStatus: "Fetching PGP Key")
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DispatchQueue.global(qos: .userInitiated).async { [unowned self] in
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do {
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try self.passwordStore.initPGPKey(with: controller.armorPublicKeyTextView.text, keyType: .public)
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try self.passwordStore.initPGPKey(with: controller.armorPrivateKeyTextView.text, keyType: .secret)
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DispatchQueue.main.async {
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self.pgpKeyTableViewCell.detailTextLabel?.text = self.passwordStore.pgpKeyID
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SVProgressHUD.showSuccess(withStatus: "Success")
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SVProgressHUD.dismiss(withDelay: 1)
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}
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} catch {
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DispatchQueue.main.async {
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self.pgpKeyTableViewCell.detailTextLabel?.text = "Not Set"
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Utils.alert(title: "Error", message: error.localizedDescription, controller: self, completion: nil)
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}
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}
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}
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}
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}
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private func saveImportedPGPKey() {
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// load keys
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SharedDefaults[.pgpKeySource] = "file"
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SVProgressHUD.setDefaultMaskType(.black)
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SVProgressHUD.setDefaultStyle(.light)
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SVProgressHUD.show(withStatus: "Fetching PGP Key")
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passwordStore.pgpKeyImportFromFileSharing()
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DispatchQueue.global(qos: .userInitiated).async { [unowned self] in
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do {
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try self.passwordStore.initPGPKeys()
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DispatchQueue.main.async {
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self.pgpKeyTableViewCell.detailTextLabel?.text = self.passwordStore.pgpKeyID
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SVProgressHUD.showSuccess(withStatus: "Imported")
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SVProgressHUD.dismiss(withDelay: 1)
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}
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} catch {
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DispatchQueue.main.async {
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self.pgpKeyTableViewCell.detailTextLabel?.text = "Not Set"
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Utils.alert(title: "Error", message: error.localizedDescription, controller: self, completion: nil)
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}
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}
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}
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}
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@IBAction func cancelGitServerSetting(segue: UIStoryboardSegue) {
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}
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@IBAction func saveGitServerSetting(segue: UIStoryboardSegue) {
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self.passwordRepositoryTableViewCell.detailTextLabel?.text = SharedDefaults[.gitURL]?.host
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}
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override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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// Security section, hide TouchID if the device doesn't support
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if section == 1 {
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if hasTouchID() {
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return 2
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} else {
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return 1
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}
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}
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return super.tableView(tableView, numberOfRowsInSection: section)
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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NotificationCenter.default.addObserver(self, selector: #selector(SettingsTableViewController.actOnPasswordStoreErasedNotification), name: .passwordStoreErased, object: nil)
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self.passwordRepositoryTableViewCell.detailTextLabel?.text = SharedDefaults[.gitURL]?.host
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touchIDTableViewCell.accessoryView = touchIDSwitch
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setPGPKeyTableViewCellDetailText()
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setPasswordRepositoryTableViewCellDetailText()
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setPasscodeLockTouchIDCells()
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}
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private func hasTouchID() -> Bool {
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let context = LAContext()
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var error: NSError?
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if context.canEvaluatePolicy(LAPolicy.deviceOwnerAuthenticationWithBiometrics, error: &error) {
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return true
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} else {
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switch error!.code {
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case LAError.Code.touchIDNotEnrolled.rawValue:
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return true
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case LAError.Code.passcodeNotSet.rawValue:
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return true
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default:
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return false
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}
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}
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}
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private func isTouchIDEnabled() -> Bool {
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let context = LAContext()
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return context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: nil)
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}
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private func setPasscodeLockTouchIDCells() {
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if PasscodeLockConfiguration.shared.repository.hasPasscode {
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self.passcodeTableViewCell.detailTextLabel?.text = "On"
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passcodeLockConfig.isTouchIDAllowed = true
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touchIDSwitch.isOn = SharedDefaults[.isTouchIDOn]
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} else {
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self.passcodeTableViewCell.detailTextLabel?.text = "Off"
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passcodeLockConfig.isTouchIDAllowed = false
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SharedDefaults[.isTouchIDOn] = false
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touchIDSwitch.isOn = SharedDefaults[.isTouchIDOn]
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}
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}
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private func setPGPKeyTableViewCellDetailText() {
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if let pgpKeyID = self.passwordStore.pgpKeyID {
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pgpKeyTableViewCell.detailTextLabel?.text = pgpKeyID
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} else {
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pgpKeyTableViewCell.detailTextLabel?.text = "Not Set"
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}
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}
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private func setPasswordRepositoryTableViewCellDetailText() {
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if SharedDefaults[.gitURL] == nil {
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passwordRepositoryTableViewCell.detailTextLabel?.text = "Not Set"
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} else {
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passwordRepositoryTableViewCell.detailTextLabel?.text = SharedDefaults[.gitURL]!.host
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}
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}
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func actOnPasswordStoreErasedNotification() {
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setPGPKeyTableViewCellDetailText()
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setPasswordRepositoryTableViewCellDetailText()
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setPasscodeLockTouchIDCells()
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let appDelegate = UIApplication.shared.delegate as! AppDelegate
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appDelegate.passcodeLockPresenter = PasscodeLockPresenter(mainWindow: appDelegate.window, configuration: passcodeLockConfig)
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}
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override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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if tableView.cellForRow(at: indexPath) == passcodeTableViewCell {
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if SharedDefaults[.passcodeKey] != nil{
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showPasscodeActionSheet()
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} else {
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setPasscodeLock()
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}
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} else if tableView.cellForRow(at: indexPath) == pgpKeyTableViewCell {
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showPGPKeyActionSheet()
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}
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tableView.deselectRow(at: indexPath, animated: true)
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}
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func touchIDSwitchAction(uiSwitch: UISwitch) {
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if !passcodeLockConfig.isTouchIDAllowed || !isTouchIDEnabled() {
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// switch off
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DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(500)) {
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uiSwitch.isOn = SharedDefaults[.isTouchIDOn] // false
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Utils.alert(title: "Notice", message: "Please enable Touch ID and set the passcode lock first.", controller: self, completion: nil)
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}
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} else {
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SharedDefaults[.isTouchIDOn] = uiSwitch.isOn
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}
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let appDelegate = UIApplication.shared.delegate as! AppDelegate
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appDelegate.passcodeLockPresenter = PasscodeLockPresenter(mainWindow: appDelegate.window, configuration: passcodeLockConfig)
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}
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func showPGPKeyActionSheet() {
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let optionMenu = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
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var urlActionTitle = "Download from URL"
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var armorActionTitle = "ASCII-Armor Encrypted Key"
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var fileActionTitle = "iTunes File Sharing"
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if SharedDefaults[.pgpKeySource] == "url" {
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urlActionTitle = "✓ \(urlActionTitle)"
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} else if SharedDefaults[.pgpKeySource] == "armor" {
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armorActionTitle = "✓ \(armorActionTitle)"
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} else if SharedDefaults[.pgpKeySource] == "file" {
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fileActionTitle = "✓ \(fileActionTitle)"
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}
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let urlAction = UIAlertAction(title: urlActionTitle, style: .default) { _ in
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self.performSegue(withIdentifier: "setPGPKeyByURLSegue", sender: self)
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}
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let armorAction = UIAlertAction(title: armorActionTitle, style: .default) { _ in
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self.performSegue(withIdentifier: "setPGPKeyByASCIISegue", sender: self)
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}
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let cancelAction = UIAlertAction(title: "Cancel", style: .cancel, handler: nil)
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optionMenu.addAction(urlAction)
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optionMenu.addAction(armorAction)
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if passwordStore.pgpKeyExists(inFileSharing: true) {
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fileActionTitle.append(" (Import)")
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let fileAction = UIAlertAction(title: fileActionTitle, style: .default) { _ in
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// passphrase related
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let savePassphraseAlert = UIAlertController(title: "Passphrase", message: "Do you want to save the passphrase for later decryption?", preferredStyle: UIAlertControllerStyle.alert)
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// no
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savePassphraseAlert.addAction(UIAlertAction(title: "No", style: UIAlertActionStyle.default) { _ in
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self.passwordStore.pgpKeyPassphrase = nil
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SharedDefaults[.isRememberPassphraseOn] = false
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self.saveImportedPGPKey()
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})
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// yes
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savePassphraseAlert.addAction(UIAlertAction(title: "Yes", style: UIAlertActionStyle.destructive) {_ in
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// ask for the passphrase
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let alert = UIAlertController(title: "Passphrase", message: "Please fill in the passphrase of your PGP secret key.", preferredStyle: UIAlertControllerStyle.alert)
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alert.addAction(UIAlertAction(title: "OK", style: UIAlertActionStyle.default, handler: {_ in
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self.passwordStore.pgpKeyPassphrase = alert.textFields?.first?.text
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SharedDefaults[.isRememberPassphraseOn] = true
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self.saveImportedPGPKey()
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}))
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alert.addTextField(configurationHandler: {(textField: UITextField!) in
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textField.text = ""
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textField.isSecureTextEntry = true
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})
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self.present(alert, animated: true, completion: nil)
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})
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self.present(savePassphraseAlert, animated: true, completion: nil)
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}
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optionMenu.addAction(fileAction)
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} else {
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fileActionTitle.append(" (Tips)")
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let fileAction = UIAlertAction(title: fileActionTitle, style: .default) { _ in
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let title = "Tips"
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let message = "Copy your public and private keys to Pass with names \"gpg_key.pub\" and \"gpg_key\" (without quotes) via iTunes. Then come back and click \"iTunes File Sharing\" to finish."
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Utils.alert(title: title, message: message, controller: self)
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}
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optionMenu.addAction(fileAction)
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}
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if SharedDefaults[.pgpKeySource] != nil {
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let deleteAction = UIAlertAction(title: "Remove PGP Keys", style: .destructive) { _ in
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self.passwordStore.removePGPKeys()
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self.pgpKeyTableViewCell.detailTextLabel?.text = "Not Set"
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}
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optionMenu.addAction(deleteAction)
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}
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optionMenu.addAction(cancelAction)
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optionMenu.popoverPresentationController?.sourceView = pgpKeyTableViewCell
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optionMenu.popoverPresentationController?.sourceRect = pgpKeyTableViewCell.bounds
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self.present(optionMenu, animated: true, completion: nil)
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}
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func showPasscodeActionSheet() {
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let passcodeChangeViewController = PasscodeLockViewController(state: .change, configuration: passcodeLockConfig)
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let passcodeRemoveViewController = PasscodeLockViewController(state: .remove, configuration: passcodeLockConfig)
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let optionMenu = UIAlertController(title: nil, message: nil, preferredStyle: .actionSheet)
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let removePasscodeAction = UIAlertAction(title: "Remove Passcode", style: .destructive) { [weak self] _ in
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passcodeRemoveViewController.successCallback = { _ in
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self?.setPasscodeLockTouchIDCells()
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let appDelegate = UIApplication.shared.delegate as! AppDelegate
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appDelegate.passcodeLockPresenter = PasscodeLockPresenter(mainWindow: appDelegate.window, configuration: (self?.passcodeLockConfig)!)
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}
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self?.present(passcodeRemoveViewController, animated: true, completion: nil)
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}
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let changePasscodeAction = UIAlertAction(title: "Change Passcode", style: .default) { [weak self] _ in
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self?.present(passcodeChangeViewController, animated: true, completion: nil)
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}
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let cancelAction = UIAlertAction(title: "Cancel", style: .cancel, handler: nil)
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optionMenu.addAction(removePasscodeAction)
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optionMenu.addAction(changePasscodeAction)
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optionMenu.addAction(cancelAction)
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optionMenu.popoverPresentationController?.sourceView = passcodeTableViewCell
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optionMenu.popoverPresentationController?.sourceRect = passcodeTableViewCell.bounds
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self.present(optionMenu, animated: true, completion: nil)
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}
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func setPasscodeLock() {
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let passcodeSetViewController = PasscodeLockViewController(state: .set, configuration: passcodeLockConfig)
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passcodeSetViewController.successCallback = { _ in
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self.setPasscodeLockTouchIDCells()
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}
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present(passcodeSetViewController, animated: true, completion: nil)
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}
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}
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