520 lines
23 KiB
Swift
520 lines
23 KiB
Swift
//
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// PasswordsViewController.swift
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// pass
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//
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// Created by Mingshen Sun on 3/2/2017.
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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 SVProgressHUD
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import SwiftyUserDefaults
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import PasscodeLock
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fileprivate class PasswordsTableEntry : NSObject {
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var title: String
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var isDir: Bool
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var passwordEntity: PasswordEntity?
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init(title: String, isDir: Bool, passwordEntity: PasswordEntity?) {
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self.title = title
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self.isDir = isDir
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self.passwordEntity = passwordEntity
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}
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}
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class PasswordsViewController: UIViewController, UITableViewDataSource, UITableViewDelegate, UITabBarControllerDelegate, UISearchBarDelegate {
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private var passwordsTableEntries: [PasswordsTableEntry] = []
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private var passwordsTableAllEntries: [PasswordsTableEntry] = []
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private var filteredPasswordsTableEntries: [PasswordsTableEntry] = []
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private var parentPasswordEntity: PasswordEntity? = nil
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private let passwordStore = PasswordStore.shared
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private var tapTabBarTime: TimeInterval = 0
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private var sections = [(title: String, entries: [PasswordsTableEntry])]()
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private var searchActive : Bool = false
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private lazy var searchController: UISearchController = {
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let uiSearchController = UISearchController(searchResultsController: nil)
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uiSearchController.searchResultsUpdater = self
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uiSearchController.dimsBackgroundDuringPresentation = false
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uiSearchController.searchBar.isTranslucent = false
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uiSearchController.searchBar.backgroundColor = UIColor.gray
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uiSearchController.searchBar.sizeToFit()
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return uiSearchController
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}()
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private lazy var syncControl: UIRefreshControl = {
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let syncControl = UIRefreshControl()
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syncControl.addTarget(self, action: #selector(handleRefresh(_:)), for: UIControlEvents.valueChanged)
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return syncControl
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}()
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private lazy var searchBarView: UIView = {
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let uiView = UIView(frame: CGRect(x: 0, y: 64, width: self.view.bounds.width, height: 44))
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uiView.addSubview(self.searchController.searchBar)
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return uiView
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}()
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private lazy var backUIBarButtonItem: UIBarButtonItem = {
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let backUIBarButtonItem = UIBarButtonItem(title: "Back", style: .plain, target: self, action: #selector(self.backAction(_:)))
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return backUIBarButtonItem
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}()
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private lazy var transitionFromRight: CATransition = {
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let transition = CATransition()
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transition.type = kCATransitionPush
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transition.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
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transition.fillMode = kCAFillModeForwards
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transition.duration = 0.25
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transition.subtype = kCATransitionFromRight
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return transition
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}()
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private lazy var transitionFromLeft: CATransition = {
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let transition = CATransition()
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transition.type = kCATransitionPush
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transition.timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
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transition.fillMode = kCAFillModeForwards
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transition.duration = 0.25
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transition.subtype = kCATransitionFromLeft
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return transition
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}()
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@IBOutlet weak var tableView: UITableView!
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private func initPasswordsTableEntries(parent: PasswordEntity?) {
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passwordsTableEntries.removeAll()
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passwordsTableAllEntries.removeAll()
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filteredPasswordsTableEntries.removeAll()
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var passwordEntities = [PasswordEntity]()
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var passwordAllEntities = [PasswordEntity]()
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if Defaults[.isShowFolderOn] {
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passwordEntities = self.passwordStore.fetchPasswordEntityCoreData(parent: parent)
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} else {
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passwordEntities = self.passwordStore.fetchPasswordEntityCoreData(withDir: false)
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}
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passwordsTableEntries = passwordEntities.map {
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PasswordsTableEntry(title: $0.name!, isDir: $0.isDir, passwordEntity: $0)
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}
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passwordAllEntities = self.passwordStore.fetchPasswordEntityCoreData(withDir: false)
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passwordsTableAllEntries = passwordAllEntities.map {
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PasswordsTableEntry(title: $0.name!, isDir: $0.isDir, passwordEntity: $0)
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}
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parentPasswordEntity = parent
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}
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@IBAction func cancelAddPassword(segue: UIStoryboardSegue) {
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}
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@IBAction func saveAddPassword(segue: UIStoryboardSegue) {
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if let controller = segue.source as? AddPasswordTableViewController {
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SVProgressHUD.setDefaultMaskType(.black)
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SVProgressHUD.setDefaultStyle(.light)
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SVProgressHUD.show(withStatus: "Saving")
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DispatchQueue.global(qos: .userInitiated).async {
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do {
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try self.passwordStore.add(password: controller.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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// will trigger reloadTableView() by a notification
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SVProgressHUD.showSuccess(withStatus: "Done")
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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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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 syncPasswords() {
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SVProgressHUD.setDefaultMaskType(.black)
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SVProgressHUD.setDefaultStyle(.light)
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SVProgressHUD.show(withStatus: "Sync Password Store")
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let numberOfLocalCommits = self.passwordStore.numberOfLocalCommits()
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DispatchQueue.global(qos: .userInitiated).async { [unowned self] in
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do {
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try self.passwordStore.pullRepository(transferProgressBlock: {(git_transfer_progress, stop) in
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DispatchQueue.main.async {
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SVProgressHUD.showProgress(Float(git_transfer_progress.pointee.received_objects)/Float(git_transfer_progress.pointee.total_objects), status: "Pull Remote Repository")
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}
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})
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if numberOfLocalCommits > 0 {
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try self.passwordStore.pushRepository(transferProgressBlock: {(current, total, bytes, stop) in
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DispatchQueue.main.async {
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SVProgressHUD.showProgress(Float(current)/Float(total), status: "Push Remote Repository")
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}
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})
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}
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DispatchQueue.main.async {
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self.reloadTableView(parent: nil)
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Defaults[.gitPasswordAttempts] = 0
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SVProgressHUD.showSuccess(withStatus: "Done")
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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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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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override func viewDidAppear(_ animated: Bool) {
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super.viewDidAppear(animated)
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if Defaults[.isShowFolderOn] {
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searchController.searchBar.scopeButtonTitles = ["Current", "All"]
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} else {
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searchController.searchBar.scopeButtonTitles = nil
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}
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}
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override func viewDidLoad() {
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super.viewDidLoad()
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tabBarController!.delegate = self
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searchController.searchBar.delegate = self
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tableView.delegate = self
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tableView.dataSource = self
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definesPresentationContext = true
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view.addSubview(searchBarView)
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tableView.insertSubview(syncControl, at: 0)
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SVProgressHUD.setDefaultMaskType(.black)
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tableView.register(UINib(nibName: "PasswordWithFolderTableViewCell", bundle: nil), forCellReuseIdentifier: "passwordWithFolderTableViewCell")
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// initialize the password table
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reloadTableView(parent: 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(actOnReloadTableViewRelatedNotification), 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(actOnReloadTableViewRelatedNotification), name: .passwordDisplaySettingChanged, object: nil)
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NotificationCenter.default.addObserver(self, selector: #selector(actOnSearchNotification), name: .passwordSearch, object: nil)
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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if let path = tableView.indexPathForSelectedRow {
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tableView.deselectRow(at: path, animated: false)
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}
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}
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override func viewDidLayoutSubviews() {
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super.viewDidLayoutSubviews()
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searchBarView.frame = CGRect(x: 0, y: navigationController!.navigationBar.bounds.size.height + UIApplication.shared.statusBarFrame.height, width: UIScreen.main.bounds.width, height: 44)
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searchController.searchBar.sizeToFit()
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}
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func numberOfSections(in tableView: UITableView) -> Int {
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return sections.count
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}
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func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
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return sections[section].entries.count
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}
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func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
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let longPressGestureRecognizer = UILongPressGestureRecognizer(target: self, action: #selector(longPressAction(_:)))
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longPressGestureRecognizer.minimumPressDuration = 0.6
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if Defaults[.isShowFolderOn] && searchController.searchBar.selectedScopeButtonIndex == 0{
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let cell = tableView.dequeueReusableCell(withIdentifier: "passwordTableViewCell", for: indexPath)
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let entry = getPasswordEntry(by: indexPath)
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if !entry.isDir {
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if entry.passwordEntity!.synced {
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cell.textLabel?.text = entry.title
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} else {
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cell.textLabel?.text = "↻ \(entry.title)"
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}
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cell.addGestureRecognizer(longPressGestureRecognizer)
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cell.accessoryType = .none
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cell.detailTextLabel?.text = ""
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} else {
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cell.textLabel?.text = "\(entry.title)"
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cell.accessoryType = .disclosureIndicator
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cell.detailTextLabel?.font = UIFont.preferredFont(forTextStyle: .body)
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cell.detailTextLabel?.text = "\(entry.passwordEntity?.children?.count ?? 0)"
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}
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return cell
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} else {
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let cell = tableView.dequeueReusableCell(withIdentifier: "passwordTableViewCell", for: indexPath)
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let entry = getPasswordEntry(by: indexPath)
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if entry.passwordEntity!.synced {
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cell.textLabel?.text = entry.title
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} else {
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cell.textLabel?.text = "↻ \(entry.title)"
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}
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cell.accessoryType = .none
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cell.detailTextLabel?.font = UIFont.preferredFont(forTextStyle: .footnote)
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cell.detailTextLabel?.text = entry.passwordEntity?.getCategoryText()
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cell.addGestureRecognizer(longPressGestureRecognizer)
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return cell
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}
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}
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private func getPasswordEntry(by indexPath: IndexPath) -> PasswordsTableEntry {
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return sections[indexPath.section].entries[indexPath.row]
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}
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func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
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let entry = getPasswordEntry(by: indexPath)
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if !entry.isDir {
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let segueIdentifier = "showPasswordDetail"
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let sender = tableView.cellForRow(at: indexPath)
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if shouldPerformSegue(withIdentifier: segueIdentifier, sender: sender) {
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performSegue(withIdentifier: segueIdentifier, sender: sender)
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}
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} else {
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tableView.deselectRow(at: indexPath, animated: true)
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searchController.isActive = false
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reloadTableView(parent: entry.passwordEntity, anim: transitionFromRight)
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}
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}
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func backAction(_ sender: Any?) {
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guard Defaults[.isShowFolderOn] else { return }
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reloadTableView(parent: parentPasswordEntity?.parent, anim: transitionFromLeft)
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}
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func longPressAction(_ gesture: UILongPressGestureRecognizer) {
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if gesture.state == UIGestureRecognizerState.began {
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let touchPoint = gesture.location(in: tableView)
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if let indexPath = tableView.indexPathForRow(at: touchPoint) {
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copyToPasteboard(from: indexPath)
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}
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}
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}
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func tableView(_ tableView: UITableView, titleForHeaderInSection section: Int) -> String? {
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return sections[section].title
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}
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func sectionIndexTitles(for tableView: UITableView) -> [String]? {
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return sections.map { $0.title }
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}
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func tableView(_ tableView: UITableView, sectionForSectionIndexTitle title: String, at index: Int) -> Int {
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return index
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}
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func tableView(_ tableView: UITableView, accessoryButtonTappedForRowWith indexPath: IndexPath) {
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copyToPasteboard(from: indexPath)
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}
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private func copyToPasteboard(from indexPath: IndexPath) {
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guard self.passwordStore.privateKey != nil else {
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Utils.alert(title: "Cannot Copy Password", message: "PGP Key is not set. Please set your PGP Key first.", controller: self, completion: nil)
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return
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}
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let password = getPasswordEntry(by: indexPath).passwordEntity!
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UIImpactFeedbackGenerator(style: .medium).impactOccurred()
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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.decryptThenCopyPassword(passwordEntity: password, 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.decryptThenCopyPassword(passwordEntity: password, 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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}
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private func decryptThenCopyPassword(passwordEntity: PasswordEntity, passphrase: String) {
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SVProgressHUD.setDefaultMaskType(.black)
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SVProgressHUD.setDefaultStyle(.dark)
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SVProgressHUD.show(withStatus: "Decrypting")
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DispatchQueue.global(qos: .userInteractive).async {
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var decryptedPassword: Password?
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do {
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decryptedPassword = try passwordEntity.decrypt(passphrase: passphrase)!
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DispatchQueue.main.async {
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Utils.copyToPasteboard(textToCopy: decryptedPassword?.password)
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SVProgressHUD.showSuccess(withStatus: "Password copied, and will be cleared in 45 seconds.")
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SVProgressHUD.dismiss(withDelay: 0.6)
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}
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} catch {
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print(error)
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DispatchQueue.main.async {
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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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private func generateSections(item: [PasswordsTableEntry]) {
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let collation = UILocalizedIndexedCollation.current()
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let sectionTitles = collation.sectionIndexTitles
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var newSections = [(title: String, entries: [PasswordsTableEntry])]()
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// initialize all sections
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for i in 0..<sectionTitles.count {
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newSections.append((title: sectionTitles[i], entries: [PasswordsTableEntry]()))
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}
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// put entries into sections
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for entry in item {
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let sectionNumber = collation.section(for: entry, collationStringSelector: #selector(getter: PasswordsTableEntry.title))
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newSections[sectionNumber].entries.append(entry)
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}
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// sort each list and set sectionTitles
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for i in 0..<sectionTitles.count {
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let entriesToSort = newSections[i].entries
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let sortedEntries = collation.sortedArray(from: entriesToSort, collationStringSelector: #selector(getter: PasswordsTableEntry.title))
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newSections[i].entries = sortedEntries as! [PasswordsTableEntry]
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}
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// only keep non-empty sections
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sections = newSections.filter {$0.entries.count > 0}
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}
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func actOnSearchNotification() {
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searchController.searchBar.becomeFirstResponder()
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}
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override func shouldPerformSegue(withIdentifier identifier: String, sender: Any?) -> Bool {
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if identifier == "showPasswordDetail" {
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guard self.passwordStore.privateKey != nil else {
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Utils.alert(title: "Cannot Show Password", message: "PGP Key is not set. Please set your PGP Key first.", controller: self, completion: nil)
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if let s = sender as? UITableViewCell {
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let selectedIndexPath = tableView.indexPath(for: s)!
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tableView.deselectRow(at: selectedIndexPath, animated: true)
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}
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return false
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}
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}
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return true
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}
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override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
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if segue.identifier == "showPasswordDetail" {
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if let viewController = segue.destination as? PasswordDetailTableViewController {
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let selectedIndexPath = self.tableView.indexPath(for: sender as! UITableViewCell)!
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let passwordEntity = getPasswordEntry(by: selectedIndexPath).passwordEntity!
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viewController.passwordEntity = passwordEntity
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}
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}
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}
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func filterContentForSearchText(searchText: String, scope: String = "All") {
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switch scope {
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case "All":
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filteredPasswordsTableEntries = passwordsTableAllEntries.filter { entry in
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return entry.title.lowercased().contains(searchText.lowercased())
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}
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if searchController.isActive && searchController.searchBar.text != "" {
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reloadTableView(data: filteredPasswordsTableEntries)
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} else {
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reloadTableView(data: passwordsTableAllEntries)
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}
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case "Current":
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filteredPasswordsTableEntries = passwordsTableEntries.filter { entry in
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return entry.title.lowercased().contains(searchText.lowercased())
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}
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if searchController.isActive && searchController.searchBar.text != "" {
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reloadTableView(data: filteredPasswordsTableEntries)
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} else {
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reloadTableView(data: passwordsTableEntries)
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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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private func reloadTableView(data: [PasswordsTableEntry], anim: CAAnimation? = nil) {
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// set navigation item
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var numberOfLocalCommitsString = ""
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let numberOfLocalCommits = self.passwordStore.numberOfLocalCommits()
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if numberOfLocalCommits > 0 {
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numberOfLocalCommitsString = " (\(numberOfLocalCommits))"
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}
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if parentPasswordEntity != nil {
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navigationItem.title = "\(parentPasswordEntity!.name!)\(numberOfLocalCommitsString)"
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navigationItem.leftBarButtonItem = backUIBarButtonItem
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} else {
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navigationItem.title = "Password Store\(numberOfLocalCommitsString)"
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navigationItem.leftBarButtonItem = nil
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}
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// set the password table
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generateSections(item: data)
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if anim != nil {
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self.tableView.layer.add(anim!, forKey: "UITableViewReloadDataAnimationKey")
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}
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tableView.reloadData()
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self.tableView.layer.removeAnimation(forKey: "UITableViewReloadDataAnimationKey")
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// set the sync control title
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let atribbutedTitle = "Last Synced: \(Utils.getLastSyncedTimeString())"
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syncControl.attributedTitle = NSAttributedString(string: atribbutedTitle)
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}
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private func reloadTableView(parent: PasswordEntity?, anim: CAAnimation? = nil) {
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initPasswordsTableEntries(parent: parent)
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reloadTableView(data: passwordsTableEntries, anim: anim)
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}
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func actOnReloadTableViewRelatedNotification() {
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initPasswordsTableEntries(parent: nil)
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DispatchQueue.main.async { [weak weakSelf = self] in
|
|
guard let strongSelf = weakSelf else { return }
|
|
strongSelf.reloadTableView(data: strongSelf.passwordsTableEntries)
|
|
}
|
|
}
|
|
|
|
func handleRefresh(_ syncControl: UIRefreshControl) {
|
|
syncPasswords()
|
|
syncControl.endRefreshing()
|
|
}
|
|
|
|
func tabBarController(_ tabBarController: UITabBarController, didSelect viewController: UIViewController) {
|
|
if viewController == self.navigationController {
|
|
let currentTime = Date().timeIntervalSince1970
|
|
let duration = currentTime - self.tapTabBarTime
|
|
self.tapTabBarTime = currentTime
|
|
if duration < 0.35 {
|
|
let topIndexPath = IndexPath(row: 0, section: 0)
|
|
tableView.scrollToRow(at: topIndexPath, at: .bottom, animated: true)
|
|
self.tapTabBarTime = 0
|
|
return
|
|
}
|
|
backAction(self)
|
|
}
|
|
}
|
|
func searchBar(_ searchBar: UISearchBar, selectedScopeButtonIndexDidChange selectedScope: Int) {
|
|
updateSearchResults(for: searchController)
|
|
}
|
|
|
|
func searchBarCancelButtonClicked(_ searchBar: UISearchBar) {
|
|
searchController.searchBar.selectedScopeButtonIndex = 0
|
|
updateSearchResults(for: searchController)
|
|
}
|
|
}
|
|
|
|
extension PasswordsViewController: UISearchResultsUpdating {
|
|
func updateSearchResults(for searchController: UISearchController) {
|
|
var scope = "All"
|
|
if let scopeButtonTitles = searchController.searchBar.scopeButtonTitles {
|
|
scope = scopeButtonTitles[searchController.searchBar.selectedScopeButtonIndex]
|
|
}
|
|
filterContentForSearchText(searchText: searchController.searchBar.text!, scope: scope)
|
|
}
|
|
}
|