513 lines
22 KiB
Swift
513 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 SwiftyUserDefaults
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import SVProgressHUD
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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 passwordCategoryText = ""
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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 indicator: UIActivityIndicatorView = {
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let indicator = UIActivityIndicatorView(activityIndicatorStyle: .gray)
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indicator.center = CGPoint(x: UIScreen.main.bounds.width / 2, y: UIScreen.main.bounds.height * 0.382)
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return indicator
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}()
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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 TableCell {
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var title: String
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var content: String
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init() {
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title = ""
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content = ""
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}
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init(title: String) {
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self.title = title
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self.content = ""
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}
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init(title: String, content: String) {
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self.title = title
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self.content = content
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}
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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: Array<TableCell>
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init(type: PasswordDetailTableViewControllerSectionType) {
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self.type = type
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header = nil
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item = [TableCell]()
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}
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init(type: PasswordDetailTableViewControllerSectionType, header: String) {
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self.init(type: type)
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self.header = header
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}
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}
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private var tableData = Array<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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passwordCategoryText = passwordEntity!.getCategoryText()
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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 = UIEdgeInsetsMake(-36, 0, 44, 0);
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tableView.rowHeight = UITableViewAutomaticDimension
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tableView.estimatedRowHeight = 52
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indicator.startAnimating()
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tableView.addSubview(indicator)
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editUIBarButtonItem.isEnabled = false
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navigationItem.rightBarButtonItem = editUIBarButtonItem
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if let imageData = passwordEntity?.image {
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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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var passphrase = ""
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if Defaults[.isRememberPassphraseOn] && self.passwordStore.pgpKeyPassphrase != nil {
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passphrase = self.passwordStore.pgpKeyPassphrase!
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self.decryptThenShowPassword(passphrase: passphrase)
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} else {
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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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passphrase = alert.textFields!.first!.text!
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self.decryptThenShowPassword(passphrase: passphrase)
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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.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 some password (maybe another one) has been updated
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NotificationCenter.default.addObserver(self, selector: #selector(showPassword), name: .passwordStoreUpdated, 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(showPassword), 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", message: "All previous local changes have been discarded. Your current Password Store will be shown.", preferredStyle: UIAlertControllerStyle.alert)
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alert.addAction(UIAlertAction(title: "OK", style: UIAlertActionStyle.default, handler: {_ in
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_ = self.navigationController?.popViewController(animated: true)
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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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private func decryptThenShowPassword(passphrase: String) {
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if Defaults[.isRememberPassphraseOn] {
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self.passwordStore.pgpKeyPassphrase = passphrase
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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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self.password = try self.passwordEntity!.decrypt(passphrase: passphrase)!
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} catch {
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DispatchQueue.main.async {
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let alert = UIAlertController(title: "Cannot Show Password", message: error.localizedDescription, preferredStyle: UIAlertControllerStyle.alert)
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alert.addAction(UIAlertAction(title: "OK", style: UIAlertActionStyle.default, handler: {(UIAlertAction) -> Void in
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self.navigationController!.popViewController(animated: true)
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}))
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self.present(alert, animated: true, completion: nil)
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}
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return
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}
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// display password
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self.showPassword()
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}
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}
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@objc private func showPassword() {
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DispatchQueue.main.async { [weak self] in
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self?.indicator.stopAnimating()
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self?.setTableData()
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UIView.performWithoutAnimation {
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self?.tableView.reloadData()
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// add layoutIfNeeded solves the "flickering problem" during refresh
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self?.tableView.layoutIfNeeded()
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}
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self?.editUIBarButtonItem.isEnabled = true
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if let urlString = self?.password?.getURLString() {
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if self?.passwordEntity?.image == 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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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 = title
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strongSelf.tableData[indexPath.section].item[indexPath.row].content = 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 {
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SVProgressHUD.show(withStatus: "Saving")
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DispatchQueue.global(qos: .userInitiated).async {
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self.passwordStore.update(passwordEntity: self.passwordEntity!, password: self.password!, progressBlock: { progress in
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DispatchQueue.main.async {
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SVProgressHUD.showProgress(progress, status: "Encrypting")
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}
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})
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DispatchQueue.main.async {
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self.passwordEntity!.synced = false
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self.passwordStore.saveUpdated(passwordEntity: self.passwordEntity!)
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self.setTableData()
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self.tableView.reloadData()
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SVProgressHUD.showSuccess(withStatus: "Success")
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SVProgressHUD.dismiss(withDelay: 1)
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}
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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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print("delete")
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passwordStore.delete(passwordEntity: passwordEntity!)
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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(TableCell())
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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.getUsername() {
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section.item.append(TableCell(title: "username", content: username))
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}
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section.item.append(TableCell(title: "password", content: 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: "One Time Password")
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section.item.append(TableCell(title: title, content: 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.additionKeys.filter {
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$0.lowercased() != "username" &&
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$0.lowercased() != "password" &&
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(!$0.hasPrefix("unknown") || !Defaults[.isHideUnknownOn]) &&
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(!Password.otpKeywords.contains($0) || !Defaults[.isHideOTPOn]) }
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if filteredAdditionKeys.count > 0 {
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section = TableSection(type: .addition, header: "additions")
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for additionKey in filteredAdditionKeys {
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section.item.append(TableCell(title: additionKey, content: password.additions[additionKey]!))
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}
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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(TableCell(title: "Show Raw"))
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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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guard let url = URL(string: newUrlString) else {
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return
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}
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do {
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try FavIcon.downloadPreferred(url) { [weak self] result in
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switch result {
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case .success(let image):
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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: UITableViewRowAnimation.automatic)
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let imageData = UIImageJPEGRepresentation(image, 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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case .failure(let error):
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print(error)
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}
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}
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} catch {
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print(error)
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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 == UIGestureRecognizerState.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", action: #selector(LabelTableViewCell.revealPassword(_:)))
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let concealItem = UIMenuItem(title: "Conceal", action: #selector(LabelTableViewCell.concealPassword(_:)))
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let nextHOTPItem = UIMenuItem(title: "Next Password", action: #selector(LabelTableViewCell.getNextHOTP(_:)))
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let openURLItem = UIMenuItem(title: "Copy Password & Open Link", 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", message: "Get next password of a non-HOTP entry.", controller: self, completion: nil)
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}
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return;
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}
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// increase HOTP counter
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password!.increaseHotpCounter()
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// copy HOTP to pasteboard
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if let plainPassword = password!.getOtp() {
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Utils.copyToPasteboard(textToCopy: plainPassword)
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}
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// commit the change of HOTP counter
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if password!.changed {
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DispatchQueue.global(qos: .userInitiated).async {
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self.passwordStore.update(passwordEntity: self.passwordEntity!, password: self.password!, progressBlock: {_ in })
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DispatchQueue.main.async {
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self.passwordEntity!.synced = false
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self.passwordStore.saveUpdated(passwordEntity: self.passwordEntity!)
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SVProgressHUD.showSuccess(withStatus: "Password Copied\nCounter Updated")
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SVProgressHUD.dismiss(withDelay: 1)
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}
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}
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}
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}
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func openLink() {
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guard let urlString = self.password?.getURLString(), let url = URL(string: urlString) else {
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DispatchQueue.main.async {
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Utils.alert(title: "Error", message: "Cannot find a valid URL", controller: self, completion: nil)
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}
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return;
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}
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Utils.copyToPasteboard(textToCopy: password?.password)
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UIApplication.shared.open(url, options: [:], completionHandler: nil)
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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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cell.passwordImageImageView.image = passwordImage ?? #imageLiteral(resourceName: "PasswordImagePlaceHolder")
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var passwordName = passwordEntity!.name!
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if passwordEntity!.synced == false {
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passwordName = "\(passwordName) ↻"
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}
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cell.nameLabel.text = passwordName
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cell.categoryLabel.text = passwordCategoryText
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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.isPasswordCell = (titleData.lowercased() == "password" ? true : false)
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cell.isURLCell = (titleData.lowercased() == "url" ? true : false)
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cell.isHOTPCell = (titleData == "HMAC-based" ? true : false)
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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()
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cell.textLabel?.text = tableDataItem.title
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cell.selectionStyle = .default
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return cell
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}
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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: (passwordEntity?.path)!)
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footerLabel.text = "Last Updated: \(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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Utils.copyToPasteboard(textToCopy: tableData[indexPath.section].item[indexPath.row].content)
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}
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}
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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 == "Show Raw" {
|
|
performSegue(withIdentifier: "showRawPasswordSegue", sender: self)
|
|
}
|
|
}
|
|
tableView.deselectRow(at: indexPath, animated: true)
|
|
}
|
|
}
|