504 lines
22 KiB
Swift
504 lines
22 KiB
Swift
//
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// PasswordDetailTableViewController.swift
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// pass
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//
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// Created by Mingshen Sun on 2/2/2017.
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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 FavIcon
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import SVProgressHUD
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import passKit
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class PasswordDetailTableViewController: UITableViewController, UIGestureRecognizerDelegate {
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var passwordEntity: PasswordEntity?
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private var password: Password?
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private var passwordImage: UIImage?
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private var oneTimePasswordIndexPath : IndexPath?
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private var shouldPopCurrentView = false
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private let passwordStore = PasswordStore.shared
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private let keychain = AppKeychain.shared
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private lazy var editUIBarButtonItem: UIBarButtonItem = {
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let uiBarButtonItem = UIBarButtonItem(barButtonSystemItem: .edit, target: self, action: #selector(pressEdit(_:)))
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return uiBarButtonItem
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}()
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private struct TableSection {
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var type: PasswordDetailTableViewControllerSectionType
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var header: String?
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var item: [AdditionField] = []
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init(type: PasswordDetailTableViewControllerSectionType, header: String? = nil) {
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self.type = type
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self.header = header
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}
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}
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private var tableData = [TableSection]()
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private enum PasswordDetailTableViewControllerSectionType {
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case name, main, addition, misc
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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tableView.register(UINib(nibName: "LabelTableViewCell", bundle: nil), forCellReuseIdentifier: "labelCell")
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tableView.register(UINib(nibName: "PasswordDetailTitleTableViewCell", bundle: nil), forCellReuseIdentifier: "passwordDetailTitleTableViewCell")
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let tapGesture = UITapGestureRecognizer(target: self, action: #selector(PasswordDetailTableViewController.tapMenu(recognizer:)))
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tapGesture.cancelsTouchesInView = false
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tableView.addGestureRecognizer(tapGesture)
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tapGesture.delegate = self
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tableView.contentInset = UIEdgeInsets.init(top: -36, left: 0, bottom: 44, right: 0);
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tableView.rowHeight = UITableView.automaticDimension
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tableView.estimatedRowHeight = 52
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editUIBarButtonItem.isEnabled = false
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navigationItem.rightBarButtonItem = editUIBarButtonItem
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if #available(iOS 11.0, *) {
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navigationItem.largeTitleDisplayMode = .never
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}
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if let imageData = passwordEntity?.getImage() {
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let image = UIImage(data: imageData as Data)
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passwordImage = image
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}
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self.decryptThenShowPassword()
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self.setupOneTimePasswordAutoRefresh()
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// pop the current view because this password might be "discarded"
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NotificationCenter.default.addObserver(self, selector: #selector(setShouldPopCurrentView), name: .passwordStoreChangeDiscarded, object: nil)
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// reset the data table if the disaply settings have been changed
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NotificationCenter.default.addObserver(self, selector: #selector(decryptThenShowPassword), name: .passwordDetailDisplaySettingChanged, object: nil)
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}
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override func viewDidAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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if self.shouldPopCurrentView {
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let alert = UIAlertController(title: "Notice".localize(), message: "PreviousChangesDiscarded.".localize(), preferredStyle: UIAlertController.Style.alert)
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alert.addAction(UIAlertAction.okAndPopView(controller: self))
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self.present(alert, animated: true, completion: nil)
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}
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}
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@objc private func decryptThenShowPassword(keyID: String? = nil) {
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guard let passwordEntity = passwordEntity else {
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Utils.alert(title: "CannotShowPassword".localize(), message: "PasswordDoesNotExist".localize(), controller: self, handler: {(UIAlertAction) -> Void in
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self.navigationController!.popViewController(animated: true)
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})
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return
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}
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DispatchQueue.global(qos: .userInitiated).async {
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// decrypt password
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do {
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let requestPGPKeyPassphrase = Utils.createRequestPGPKeyPassphraseHandler(controller: self)
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self.password = try self.passwordStore.decrypt(passwordEntity: passwordEntity, keyID: keyID, requestPGPKeyPassphrase: requestPGPKeyPassphrase)
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self.showPassword()
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} catch AppError.PgpPrivateKeyNotFound(let key) {
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DispatchQueue.main.async {
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// alert: cancel or try again
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let alert = UIAlertController(title: "CannotShowPassword".localize(), message: AppError.PgpPrivateKeyNotFound(keyID: key).localizedDescription, preferredStyle: .alert)
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alert.addAction(UIAlertAction.cancelAndPopView(controller: self))
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let selectKey = UIAlertAction.selectKey(controller: self) { action in
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self.decryptThenShowPassword(keyID: action.title)
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}
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alert.addAction(selectKey)
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self.present(alert, animated: true, completion: nil)
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}
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} catch {
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DispatchQueue.main.async {
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// alert: cancel or try again
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let alert = UIAlertController(title: "CannotShowPassword".localize(), message: error.localizedDescription, preferredStyle: .alert)
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alert.addAction(UIAlertAction.cancelAndPopView(controller: self))
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alert.addAction(UIAlertAction(title: "TryAgain".localize(), style: .default) {_ in
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self.decryptThenShowPassword()
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})
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self.present(alert, animated: true, completion: nil)
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}
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}
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}
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}
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private func showPassword() {
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DispatchQueue.main.async { [weak self] in
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self?.setTableData()
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self?.tableView.reloadData()
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self?.editUIBarButtonItem.isEnabled = true
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if !Defaults.isHidePasswordImagesOn {
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if let urlString = self?.password?.urlString {
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if self?.passwordEntity?.getImage() == nil {
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self?.updatePasswordImage(urlString: urlString)
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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 setupOneTimePasswordAutoRefresh() {
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Timer.scheduledTimer(withTimeInterval: 1, repeats: true) {
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[weak self] timer in
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// bail out of the timer code if the object has been freed
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guard let strongSelf = self,
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let otpType = strongSelf.password?.otpType,
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otpType != .none,
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let indexPath = strongSelf.oneTimePasswordIndexPath,
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let cell = strongSelf.tableView.cellForRow(at: indexPath) as? LabelTableViewCell else {
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return
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}
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switch otpType {
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case .totp:
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if let (title, otp) = strongSelf.password?.getOtpStrings() {
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strongSelf.tableData[indexPath.section].item[indexPath.row] = title => otp
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cell.cellData?.title = title
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cell.cellData?.content = otp
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}
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default:
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break
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}
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}
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}
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@objc private func pressEdit(_ sender: Any?) {
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performSegue(withIdentifier: "editPasswordSegue", sender: self)
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}
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@objc private func setShouldPopCurrentView() {
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self.shouldPopCurrentView = true
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}
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@IBAction private func cancelEditPassword(segue: UIStoryboardSegue) {
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}
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@IBAction private func saveEditPassword(segue: UIStoryboardSegue) {
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if self.password!.changed != 0 {
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self.saveEditPassword(password: self.password!)
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}
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}
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private func saveEditPassword(password: Password, keyID: String? = nil) {
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SVProgressHUD.show(withStatus: "Saving".localize())
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do {
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self.passwordEntity = try self.passwordStore.edit(passwordEntity: self.passwordEntity!, password: password, keyID: keyID)
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self.setTableData()
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self.tableView.reloadData()
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SVProgressHUD.showSuccess(withStatus: "Success".localize())
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SVProgressHUD.dismiss(withDelay: 1)
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} catch AppError.PgpPublicKeyNotFound(let key) {
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DispatchQueue.main.async {
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// alert: cancel or select keys
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SVProgressHUD.dismiss()
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let alert = UIAlertController(title: "Cannot Edit Password", message: AppError.PgpPublicKeyNotFound(keyID: key).localizedDescription, preferredStyle: .alert)
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alert.addAction(UIAlertAction.cancelAndPopView(controller: self))
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let selectKey = UIAlertAction.selectKey(controller: self) { action in
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self.saveEditPassword(password: password, keyID: action.title)
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}
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alert.addAction(selectKey)
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self.present(alert, animated: true, completion: nil)
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}
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return
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} catch {
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DispatchQueue.main.async {
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Utils.alert(title: "Error".localize(), message: error.localizedDescription, controller: self, completion: nil)
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}
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}
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}
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@IBAction private func deletePassword(segue: UIStoryboardSegue) {
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do {
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try passwordStore.delete(passwordEntity: passwordEntity!)
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} catch {
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Utils.alert(title: "Error".localize(), message: error.localizedDescription, controller: self, completion: nil)
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}
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let _ = navigationController?.popViewController(animated: true)
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}
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private func setTableData() {
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self.tableData = Array<TableSection>()
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// name section
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var section = TableSection(type: .name)
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section.item.append(AdditionField())
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tableData.append(section)
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// main section
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section = TableSection(type: .main)
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let password = self.password!
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if let username = password.username {
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section.item.append(Constants.USERNAME_KEYWORD => username)
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}
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if let login = password.login {
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section.item.append(Constants.LOGIN_KEYWORD => login)
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}
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section.item.append(Constants.PASSWORD_KEYWORD => password.password)
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tableData.append(section)
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// addition section
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// show one time password
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if password.otpType != .none {
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if let (title, otp) = self.password?.getOtpStrings() {
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section = TableSection(type: .addition, header: "OneTimePassword".localize())
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section.item.append(title => otp)
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tableData.append(section)
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oneTimePasswordIndexPath = IndexPath(row: 0, section: tableData.count - 1)
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}
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}
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// show additional information
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let filteredAdditionKeys = password.getFilteredAdditions()
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if filteredAdditionKeys.count > 0 {
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section = TableSection(type: .addition, header: "Additions".localize())
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section.item.append(contentsOf: filteredAdditionKeys)
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tableData.append(section)
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}
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// misc section
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section = TableSection(type: .misc)
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section.item.append(AdditionField(title: "ShowRaw".localize()))
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tableData.append(section)
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}
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override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
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if segue.identifier == "editPasswordSegue" {
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if let controller = segue.destination as? UINavigationController {
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if let editController = controller.viewControllers.first as? EditPasswordTableViewController {
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editController.password = password
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}
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}
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} else if segue.identifier == "showRawPasswordSegue" {
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if let controller = segue.destination as? UINavigationController {
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if let controller = controller.viewControllers.first as? RawPasswordViewController {
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controller.password = password
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}
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}
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}
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}
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private func updatePasswordImage(urlString: String) {
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var newUrlString = urlString
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if urlString.lowercased().hasPrefix("http://") {
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// try to replace http url to https url
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newUrlString = urlString.replacingOccurrences(of: "http://",
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with: "https://",
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options: .caseInsensitive,
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range: urlString.range(of: "http://"))
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} else if urlString.lowercased().hasPrefix("https://") {
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// do nothing here
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} else {
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// if a url does not start with http or https, try to add https
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newUrlString = "https://\(urlString)"
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}
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try? FavIcon.downloadPreferred(newUrlString) { [weak self] result in
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if case let .success(image) = result {
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let indexPath = IndexPath(row: 0, section: 0)
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self?.passwordImage = image
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self?.tableView.reloadRows(at: [indexPath], with: UITableView.RowAnimation.automatic)
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let imageData = image.jpegData(compressionQuality: 1)
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if let entity = self?.passwordEntity {
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self?.passwordStore.updateImage(passwordEntity: entity, image: imageData)
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}
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}
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}
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}
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@objc private func tapMenu(recognizer: UITapGestureRecognizer) {
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if recognizer.state == UIGestureRecognizer.State.ended {
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let tapLocation = recognizer.location(in: self.tableView)
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if let tapIndexPath = self.tableView.indexPathForRow(at: tapLocation) {
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if let tappedCell = self.tableView.cellForRow(at: tapIndexPath) as? LabelTableViewCell {
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tappedCell.becomeFirstResponder()
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let menuController = UIMenuController.shared
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let revealItem = UIMenuItem(title: "Reveal".localize(), action: #selector(LabelTableViewCell.revealPassword(_:)))
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let concealItem = UIMenuItem(title: "Conceal".localize(), action: #selector(LabelTableViewCell.concealPassword(_:)))
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let nextHOTPItem = UIMenuItem(title: "NextPassword".localize(), action: #selector(LabelTableViewCell.getNextHOTP(_:)))
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let openURLItem = UIMenuItem(title: "CopyAndOpen".localize(), action: #selector(LabelTableViewCell.openLink(_:)))
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menuController.menuItems = [revealItem, concealItem, nextHOTPItem, openURLItem]
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menuController.setTargetRect(tappedCell.contentLabel.frame, in: tappedCell.contentLabel.superview!)
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menuController.setMenuVisible(true, animated: true)
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}
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}
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}
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}
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func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldReceive touch: UITouch) -> Bool {
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if touch.view!.isKind(of: UIButton.classForCoder()) {
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return false
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}
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return true
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}
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@IBAction func back(segue:UIStoryboardSegue) {
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}
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func getNextHOTP() {
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guard password != nil, passwordEntity != nil, password?.otpType == .hotp else {
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DispatchQueue.main.async {
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Utils.alert(title: "Error".localize(), message: "GetNextPasswordOfNonHotp.".localize(), controller: self, completion: nil)
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}
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return;
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}
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// copy HOTP to pasteboard (will update counter)
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if let plainPassword = password!.getNextHotp() {
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SecurePasteboard.shared.copy(textToCopy: plainPassword)
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}
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// commit the change of HOTP counter
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if password!.changed != 0 {
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do {
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self.passwordEntity = try self.passwordStore.edit(passwordEntity: self.passwordEntity!, password: self.password!)
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SVProgressHUD.showSuccess(withStatus: "PasswordCopied".localize() | "CounterUpdated".localize())
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SVProgressHUD.dismiss(withDelay: 1)
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} catch {
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SVProgressHUD.showSuccess(withStatus: error.localizedDescription)
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SVProgressHUD.dismiss(withDelay: 1)
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}
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}
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}
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func openLink(to address: String?) {
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guard address != nil, let url = URL(string: formActualWebAddress(from: address!)) else {
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return DispatchQueue.main.async {
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Utils.alert(title: "Error".localize(), message: "CannotFindValidUrl".localize(), controller: self, completion: nil)
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}
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}
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SecurePasteboard.shared.copy(textToCopy: password?.password)
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UIApplication.shared.open(url, options: [:], completionHandler: nil)
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}
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private func formActualWebAddress(from: String) -> String {
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let lowercased = from.lowercased()
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if !(lowercased.starts(with: "https://") || lowercased.starts(with: "http://")) {
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return "https://\(from)"
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}
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return from
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}
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override func numberOfSections(in tableView: UITableView) -> Int {
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return tableData.count
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}
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override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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return tableData[section].item.count
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}
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override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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let sectionIndex = indexPath.section
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let rowIndex = indexPath.row
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let tableDataItem = tableData[sectionIndex].item[rowIndex]
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switch(tableData[sectionIndex].type) {
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case .name:
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let cell = tableView.dequeueReusableCell(withIdentifier: "passwordDetailTitleTableViewCell", for: indexPath) as! PasswordDetailTitleTableViewCell
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if !Defaults.isHidePasswordImagesOn {
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cell.labelCellConstraint.isActive = false
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cell.labelImageConstraint.isActive = true
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cell.passwordImageImageView.image = passwordImage ?? #imageLiteral(resourceName: "PasswordImagePlaceHolder")
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cell.passwordImageImageView.isHidden = false
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} else {
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cell.passwordImageImageView.image = nil
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cell.passwordImageImageView.isHidden = true
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cell.labelImageConstraint.isActive = false
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cell.labelCellConstraint.isActive = true
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}
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let passwordName = passwordEntity!.getName()
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if passwordEntity!.synced == false {
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cell.nameLabel.text = "\(passwordName) ↻"
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} else {
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cell.nameLabel.text = passwordName
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}
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cell.categoryLabel.text = passwordEntity!.getCategoryText()
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cell.selectionStyle = .none
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return cell
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case .main, .addition:
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let cell = tableView.dequeueReusableCell(withIdentifier: "labelCell", for: indexPath) as! LabelTableViewCell
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let titleData = tableDataItem.title
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let contentData = tableDataItem.content
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cell.delegatePasswordTableView = self
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cell.cellData = LabelTableViewCellData(title: titleData, content: contentData)
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cell.selectionStyle = .none
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return cell
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case .misc:
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let cell = UITableViewCell(style: .value1, reuseIdentifier: nil)
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cell.textLabel?.text = tableDataItem.title
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cell.selectionStyle = .default
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addHiddenFieldInformation(to: cell)
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return cell
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}
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}
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private func addHiddenFieldInformation(to cell: UITableViewCell) {
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guard password != nil, let detailTextLabel = cell.detailTextLabel else {
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return
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}
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var numberOfHiddenFields = 0
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numberOfHiddenFields += Defaults.isHideUnknownOn ? password!.numberOfUnknowns : 0
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numberOfHiddenFields += Defaults.isHideOTPOn ? password!.numberOfOtpRelated : 0
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guard numberOfHiddenFields > 0 else {
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return
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}
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detailTextLabel.textAlignment = .center
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detailTextLabel.textColor = .gray
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detailTextLabel.text = "HiddenFields(%d)".localize(numberOfHiddenFields)
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}
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override func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
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return tableData[section].header
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}
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override func tableView(_ tableView: UITableView, viewForFooterInSection section: Int) -> UIView? {
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if section == tableData.count - 1 {
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let view = UIView()
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let footerLabel = UILabel(frame: CGRect(x: 15, y: 15, width: tableView.frame.width, height: 60))
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footerLabel.numberOfLines = 0
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footerLabel.font = UIFont.preferredFont(forTextStyle: .footnote)
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footerLabel.textColor = UIColor.gray
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let dateString = self.passwordStore.getLatestUpdateInfo(filename: password!.url.path)
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footerLabel.text = "LastUpdated".localize(dateString)
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view.addSubview(footerLabel)
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return view
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}
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return nil
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}
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override func tableView(_ tableView: UITableView, performAction action: Selector, forRowAt indexPath: IndexPath, withSender sender: Any?) {
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if action == #selector(copy(_:)) {
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SecurePasteboard.shared.copy(textToCopy: tableData[indexPath.section].item[indexPath.row].content)
|
|
}
|
|
}
|
|
|
|
override func tableView(_ tableView: UITableView, canPerformAction action: Selector, forRowAt indexPath: IndexPath, withSender sender: Any?) -> Bool {
|
|
let section = tableData[indexPath.section]
|
|
switch(section.type) {
|
|
case .main, .addition:
|
|
return action == #selector(UIResponderStandardEditActions.copy(_:))
|
|
default:
|
|
return false
|
|
}
|
|
}
|
|
|
|
override func tableView(_ tableView: UITableView, shouldShowMenuForRowAt indexPath: IndexPath) -> Bool {
|
|
return true
|
|
}
|
|
|
|
override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
|
|
let section = tableData[indexPath.section]
|
|
if section.type == .misc {
|
|
if section.item[indexPath.row].title == "ShowRaw".localize() {
|
|
performSegue(withIdentifier: "showRawPasswordSegue", sender: self)
|
|
}
|
|
}
|
|
tableView.deselectRow(at: indexPath, animated: true)
|
|
}
|
|
}
|