Files
passforios-mirror/passExtension/Controllers/ExtensionViewController.swift
2019-05-01 18:30:13 +02:00

276 lines
13 KiB
Swift

//
// PasswordsViewController.swift
// pass
//
// Created by Yishi Lin on 13/6/17.
// Copyright © 2017 Bob Sun. All rights reserved.
//
import Foundation
import MobileCoreServices
import passKit
fileprivate class PasswordsTableEntry : NSObject {
var title: String
var categoryText: String
var categoryArray: [String]
var passwordEntity: PasswordEntity?
init(_ entity: PasswordEntity) {
self.title = entity.name!
self.categoryText = entity.getCategoryText()
self.categoryArray = entity.getCategoryArray()
self.passwordEntity = entity
}
}
class ExtensionViewController: UIViewController, UITableViewDataSource, UITableViewDelegate, UISearchBarDelegate, UINavigationBarDelegate {
@IBOutlet weak var searchBar: UISearchBar!
@IBOutlet weak var tableView: UITableView!
private let passwordStore = PasswordStore.shared
private var searchActive = false
private var passwordsTableEntries: [PasswordsTableEntry] = []
private var filteredPasswordsTableEntries: [PasswordsTableEntry] = []
enum Action {
case findLogin, fillBrowser, unknown
}
private var extensionAction = Action.unknown
private lazy var passcodelock: PasscodeExtensionDisplay = {
let passcodelock = PasscodeExtensionDisplay(extensionContext: self.extensionContext)
return passcodelock
}()
private func initPasswordsTableEntries() {
passwordsTableEntries.removeAll()
filteredPasswordsTableEntries.removeAll()
var passwordEntities = [PasswordEntity]()
passwordEntities = self.passwordStore.fetchPasswordEntityCoreData(withDir: false)
passwordsTableEntries = passwordEntities.map {
PasswordsTableEntry($0)
}
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
passcodelock.presentPasscodeLockIfNeeded(self)
}
override func viewDidLoad() {
super.viewDidLoad()
// prepare
searchBar.delegate = self
tableView.delegate = self
tableView.dataSource = self
tableView.register(UINib(nibName: "PasswordWithFolderTableViewCell", bundle: nil), forCellReuseIdentifier: "passwordWithFolderTableViewCell")
// initialize table entries
initPasswordsTableEntries()
// get the provider
guard let extensionItems = extensionContext?.inputItems as? [NSExtensionItem] else {
return
}
for extensionItem in extensionItems {
if let itemProviders = extensionItem.attachments as? [NSItemProvider] {
for provider in itemProviders {
// search using the extensionContext inputs
if provider.hasItemConformingToTypeIdentifier(OnePasswordExtensionActions.findLogin) {
provider.loadItem(forTypeIdentifier: OnePasswordExtensionActions.findLogin, options: nil, completionHandler: { (item, error) -> Void in
let dictionary = item as! NSDictionary
var url: String?
if var urlString = dictionary[OnePasswordExtensionKey.URLStringKey] as? String {
if !urlString.hasPrefix("http://") && !urlString.hasPrefix("https://") {
urlString = "http://" + urlString
}
url = URL(string: urlString)?.host
}
DispatchQueue.main.async { [weak self] in
self?.extensionAction = .findLogin
// force search (set text, set active, force search)
self?.searchBar.text = url
self?.searchBar.becomeFirstResponder()
self?.searchBarSearchButtonClicked((self?.searchBar)!)
}
})
}
else if provider.hasItemConformingToTypeIdentifier(kUTTypePropertyList as String) {
provider.loadItem(forTypeIdentifier: kUTTypePropertyList as String, options: nil, completionHandler: { (item, error) -> Void in
var url: String?
if let dictionary = item as? NSDictionary,
let results = dictionary[NSExtensionJavaScriptPreprocessingResultsKey] as? NSDictionary,
var urlString = results[OnePasswordExtensionKey.URLStringKey] as? String {
if !urlString.hasPrefix("http://") && !urlString.hasPrefix("https://") {
urlString = "http://" + urlString
}
url = URL(string: urlString)?.host
}
DispatchQueue.main.async { [weak self] in
self?.extensionAction = .fillBrowser
// force search (set text, set active, force search)
self?.searchBar.text = url
self?.searchBar.becomeFirstResponder()
self?.searchBarSearchButtonClicked((self?.searchBar)!)
}
})
} else if provider.hasItemConformingToTypeIdentifier(kUTTypeURL as String) {
provider.loadItem(forTypeIdentifier: kUTTypeURL as String, options: nil, completionHandler: { (item, error) -> Void in
let url = (item as? NSURL)!.host
DispatchQueue.main.async { [weak self] in
self?.extensionAction = .fillBrowser
// force search (set text, set active, force search)
self?.searchBar.text = url
self?.searchBar.becomeFirstResponder()
self?.searchBarSearchButtonClicked((self?.searchBar)!)
}
})
}
}
}
}
}
// define cell contents, and set long press action
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "passwordTableViewCell", for: indexPath)
let entry = getPasswordEntry(by: indexPath)
if entry.passwordEntity!.synced {
cell.textLabel?.text = entry.title
} else {
cell.textLabel?.text = "\(entry.title)"
}
cell.accessoryType = .none
cell.detailTextLabel?.font = UIFont.preferredFont(forTextStyle: .footnote)
cell.detailTextLabel?.text = entry.categoryText
return cell
}
// select row -> extension returns (with username and password)
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
let entry = getPasswordEntry(by: indexPath)
guard self.passwordStore.privateKey != nil else {
Utils.alert(title: "CannotCopyPassword".localize(), message: "PgpKeyNotSet.".localize(), controller: self, completion: nil)
return
}
let passwordEntity = entry.passwordEntity!
UIImpactFeedbackGenerator(style: .medium).impactOccurred()
DispatchQueue.global(qos: .userInteractive).async {
var decryptedPassword: Password?
do {
decryptedPassword = try self.passwordStore.decrypt(passwordEntity: passwordEntity, requestPGPKeyPassphrase: self.requestPGPKeyPassphrase)
let username = decryptedPassword?.username ?? decryptedPassword?.login ?? ""
let password = decryptedPassword?.password ?? ""
DispatchQueue.main.async {// prepare a dictionary to return
switch self.extensionAction {
case .findLogin:
let extensionItem = NSExtensionItem()
var returnDictionary = [OnePasswordExtensionKey.usernameKey: username,
OnePasswordExtensionKey.passwordKey: password]
if let totpPassword = decryptedPassword?.currentOtp {
returnDictionary[OnePasswordExtensionKey.totpKey] = totpPassword
}
extensionItem.attachments = [NSItemProvider(item: returnDictionary as NSSecureCoding, typeIdentifier: String(kUTTypePropertyList))]
self.extensionContext!.completeRequest(returningItems: [extensionItem], completionHandler: nil)
case .fillBrowser:
Utils.copyToPasteboard(textToCopy: decryptedPassword?.password)
// return a dictionary for JavaScript for best-effor fill in
let extensionItem = NSExtensionItem()
let returnDictionary = [NSExtensionJavaScriptFinalizeArgumentKey : ["username": username, "password": password]]
extensionItem.attachments = [NSItemProvider(item: returnDictionary as NSSecureCoding, typeIdentifier: String(kUTTypePropertyList))]
self.extensionContext!.completeRequest(returningItems: [extensionItem], completionHandler: nil)
default:
self.extensionContext!.completeRequest(returningItems: nil, completionHandler: nil)
}
}
} catch {
DispatchQueue.main.async {
// remove the wrong passphrase so that users could enter it next time
self.passwordStore.pgpKeyPassphrase = nil
Utils.alert(title: "CannotCopyPassword".localize(), message: error.localizedDescription, controller: self, completion: nil)
}
}
}
}
func numberOfSectionsInTableView(tableView: UITableView) -> Int {
return 1
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
if searchActive{
return filteredPasswordsTableEntries.count
}
return passwordsTableEntries.count;
}
private func requestPGPKeyPassphrase() -> String {
let sem = DispatchSemaphore(value: 0)
var passphrase = ""
DispatchQueue.main.async {
let alert = UIAlertController(title: "Passphrase".localize(), message: "FillInPgpPassphrase.".localize(), preferredStyle: UIAlertController.Style.alert)
alert.addAction(UIAlertAction(title: "Ok".localize(), style: UIAlertAction.Style.default, handler: {_ in
passphrase = alert.textFields!.first!.text!
sem.signal()
}))
alert.addTextField(configurationHandler: {(textField: UITextField!) in
textField.text = ""
textField.isSecureTextEntry = true
})
self.present(alert, animated: true, completion: nil)
}
let _ = sem.wait(timeout: DispatchTime.distantFuture)
if SharedDefaults[.isRememberPGPPassphraseOn] {
self.passwordStore.pgpKeyPassphrase = passphrase
}
return passphrase
}
@IBAction func cancelExtension(_ sender: Any) {
extensionContext!.completeRequest(returningItems: [], completionHandler: nil)
}
func searchBarCancelButtonClicked(_ searchBar: UISearchBar) {
searchBar.text = ""
searchActive = false
self.tableView.reloadData()
}
func searchBarSearchButtonClicked(_ searchBar: UISearchBar) {
if let searchText = searchBar.text, searchText.isEmpty == false {
filteredPasswordsTableEntries = passwordsTableEntries.filter { entry in
var matched = false
matched = matched || entry.title.range(of: searchText, options: .caseInsensitive) != nil
matched = matched || searchText.range(of: entry.title, options: .caseInsensitive) != nil
entry.categoryArray.forEach({ (category) in
matched = matched || category.range(of: searchText, options: .caseInsensitive) != nil
matched = matched || searchText.range(of: category, options: .caseInsensitive) != nil
})
return matched
}
searchActive = true
} else {
searchActive = false
}
self.tableView.reloadData()
}
func searchBar(_ searchBar: UISearchBar, textDidChange searchText: String) {
searchBarSearchButtonClicked(searchBar)
}
private func getPasswordEntry(by indexPath: IndexPath) -> PasswordsTableEntry {
if searchActive {
return filteredPasswordsTableEntries[indexPath.row]
} else {
return passwordsTableEntries[indexPath.row]
}
}
}