NetNewsWire/iOS/Account/ReaderAPIAccountViewControl...

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Swift
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//
// ReaderAPIAccountViewController.swift
// NetNewsWire-iOS
//
// Created by Stuart Breckenridge on 25/10/20.
// Copyright © 2020 Ranchero Software. All rights reserved.
//
import UIKit
import Account
import Secrets
import RSWeb
import SafariServices
class ReaderAPIAccountViewController: UITableViewController {
@IBOutlet weak var activityIndicator: UIActivityIndicatorView!
@IBOutlet weak var cancelBarButtonItem: UIBarButtonItem!
@IBOutlet weak var usernameTextField: UITextField!
@IBOutlet weak var passwordTextField: UITextField!
@IBOutlet weak var apiURLTextField: UITextField!
@IBOutlet weak var showHideButton: UIButton!
@IBOutlet weak var actionButton: UIButton!
@IBOutlet weak var footerLabel: UILabel!
@IBOutlet weak var signUpButton: UIButton!
@IBOutlet weak var onepasswordButton: UIBarButtonItem! {
didSet {
onepasswordButton.image?.withTintColor(AppAssets.primaryAccentColor)
}
}
weak var account: Account?
var accountType: AccountType?
weak var delegate: AddAccountDismissDelegate?
override func viewDidLoad() {
super.viewDidLoad()
setupFooter()
activityIndicator.isHidden = true
usernameTextField.delegate = self
passwordTextField.delegate = self
if let unwrappedAcount = account,
let credentials = try? retrieveCredentialsForAccount(for: unwrappedAcount) {
actionButton.setTitle(NSLocalizedString("Update Credentials", comment: "Update Credentials"), for: .normal)
actionButton.isEnabled = true
usernameTextField.text = credentials.username
passwordTextField.text = credentials.secret
} else {
actionButton.setTitle(NSLocalizedString("Add Account", comment: "Add Account"), for: .normal)
}
if let unwrappedAccountType = accountType {
switch unwrappedAccountType {
case .freshRSS:
title = NSLocalizedString("FreshRSS", comment: "FreshRSS")
apiURLTextField.placeholder = NSLocalizedString("API URL: fresh.rss.net/api/greader.php", comment: "FreshRSS API Helper")
case .inoreader:
title = NSLocalizedString("InoReader", comment: "InoReader")
case .bazQux:
title = NSLocalizedString("BazQux", comment: "BazQux")
case .theOldReader:
title = NSLocalizedString("The Old Reader", comment: "The Old Reader")
default:
title = ""
}
}
NotificationCenter.default.addObserver(self, selector: #selector(textDidChange(_:)), name: UITextField.textDidChangeNotification, object: usernameTextField)
NotificationCenter.default.addObserver(self, selector: #selector(textDidChange(_:)), name: UITextField.textDidChangeNotification, object: passwordTextField)
tableView.register(ImageHeaderView.self, forHeaderFooterViewReuseIdentifier: "SectionHeader")
}
private func setupFooter() {
switch accountType {
case .bazQux:
footerLabel.text = NSLocalizedString("Sign in to your BazQux account and sync your feeds across your devices. Your username and password will be encrypted and stored in Keychain.\n\nDont have a BazQux account?", comment: "BazQux")
signUpButton.setTitle(NSLocalizedString("Sign Up Here", comment: "BazQux SignUp"), for: .normal)
case .inoreader:
footerLabel.text = NSLocalizedString("Sign in to your InoReader account and sync your feeds across your devices. Your username and password will be encrypted and stored in Keychain.\n\nDont have an InoReader account?", comment: "InoReader")
signUpButton.setTitle(NSLocalizedString("Sign Up Here", comment: "InoReader SignUp"), for: .normal)
case .theOldReader:
footerLabel.text = NSLocalizedString("Sign in to your The Old Reader account and sync your feeds across your devices. Your username and password will be encrypted and stored in Keychain.\n\nDont have a The Old Reader account?", comment: "TOR")
signUpButton.setTitle(NSLocalizedString("Sign Up Here", comment: "TOR SignUp"), for: .normal)
case .freshRSS:
footerLabel.text = NSLocalizedString("Sign in to your FreshRSS instance and sync your feeds across your devices. Your username and password will be encrypted and stored in Keychain.\n\nDont have an FreshRSS instance?", comment: "FreshRSS")
signUpButton.setTitle(NSLocalizedString("Find Out More", comment: "FreshRSS SignUp"), for: .normal)
default:
return
}
}
override func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
return section == 0 ? ImageHeaderView.rowHeight : super.tableView(tableView, heightForHeaderInSection: section)
}
override func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
if section == 0 {
let headerView = tableView.dequeueReusableHeaderFooterView(withIdentifier: "SectionHeader") as! ImageHeaderView
headerView.imageView.image = headerViewImage()
return headerView
} else {
return super.tableView(tableView, viewForHeaderInSection: section)
}
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
switch section {
case 0:
switch accountType {
case .freshRSS:
return 3
default:
return 2
}
default:
return 1
}
}
@IBAction func cancel(_ sender: Any) {
dismiss(animated: true, completion: nil)
}
@IBAction func showHidePassword(_ sender: Any) {
if passwordTextField.isSecureTextEntry {
passwordTextField.isSecureTextEntry = false
showHideButton.setTitle("Hide", for: .normal)
} else {
passwordTextField.isSecureTextEntry = true
showHideButton.setTitle("Show", for: .normal)
}
}
@IBAction func action(_ sender: Any) {
guard validateDataEntry(), let type = accountType else {
return
}
let username = usernameTextField.text!
let password = passwordTextField.text!
let url = apiURL()!
// When you fill in the email address via auto-complete it adds extra whitespace
let trimmedUsername = username.trimmingCharacters(in: .whitespaces)
guard account != nil || !AccountManager.shared.duplicateServiceAccount(type: type, username: trimmedUsername) else {
showError(NSLocalizedString("There is already an account of that type with that username created.", comment: "Duplicate Error"))
return
}
startAnimatingActivityIndicator()
disableNavigation()
let credentials = Credentials(type: .readerBasic, username: trimmedUsername, secret: password)
Account.validateCredentials(type: type, credentials: credentials, endpoint: url) { result in
self.stopAnimatingActivityIndicator()
self.enableNavigation()
switch result {
case .success(let validatedCredentials):
if let validatedCredentials = validatedCredentials {
if self.account == nil {
self.account = AccountManager.shared.createAccount(type: type)
}
do {
self.account?.endpointURL = url
try? self.account?.removeCredentials(type: .readerBasic)
try? self.account?.removeCredentials(type: .readerAPIKey)
try self.account?.storeCredentials(credentials)
try self.account?.storeCredentials(validatedCredentials)
self.dismiss(animated: true, completion: nil)
self.account?.refreshAll() { result in
switch result {
case .success:
break
case .failure(let error):
self.showError(NSLocalizedString(error.localizedDescription, comment: "Accoount Refresh Error"))
}
}
self.delegate?.dismiss()
} catch {
self.showError(NSLocalizedString("Keychain error while storing credentials.", comment: "Credentials Error"))
}
} else {
self.showError(NSLocalizedString("Invalid username/password combination.", comment: "Credentials Error"))
}
case .failure(let error):
self.showError(error.localizedDescription)
}
}
}
private func retrieveCredentialsForAccount(for account: Account) throws -> Credentials? {
switch accountType {
case .bazQux, .inoreader, .theOldReader, .freshRSS:
return try account.retrieveCredentials(type: .readerBasic)
default:
return nil
}
}
private func headerViewImage() -> UIImage? {
if let accountType = accountType {
switch accountType {
case .bazQux:
return AppAssets.accountBazQuxImage
case .inoreader:
return AppAssets.accountInoreaderImage
case .theOldReader:
return AppAssets.accountTheOldReaderImage
case .freshRSS:
return AppAssets.accountFreshRSSImage
default:
return nil
}
}
return nil
}
private func validateDataEntry() -> Bool {
switch accountType {
case .freshRSS:
if !usernameTextField.hasText || !passwordTextField.hasText || !apiURLTextField.hasText {
showError(NSLocalizedString("Username, password, and API URL are required.", comment: "Credentials Error"))
return false
}
guard let _ = URL(string: apiURLTextField.text!) else {
showError(NSLocalizedString("Invalid API URL.", comment: "Invalid API URL"))
return false
}
default:
if !usernameTextField.hasText || !passwordTextField.hasText {
showError(NSLocalizedString("Username and password are required.", comment: "Credentials Error"))
return false
}
}
return true
}
@IBAction func signUpWithProvider(_ sender: Any) {
var url: URL!
switch accountType {
case .bazQux:
url = URL(string: "https://bazqux.com")!
case .inoreader:
url = URL(string: "https://www.inoreader.com")!
case .theOldReader:
url = URL(string: "https://theoldreader.com")!
case .freshRSS:
url = URL(string: "https://freshrss.org")!
default:
return
}
let safari = SFSafariViewController(url: url)
safari.modalPresentationStyle = .currentContext
self.present(safari, animated: true, completion: nil)
}
@IBAction func retrievePasswordDetailsFrom1Password(_ sender: Any) {
var url: String
switch accountType {
case .bazQux:
url = "bazqux.com"
case .inoreader:
url = "inoreader.com"
case .theOldReader:
url = "theoldreader.com"
case .freshRSS:
url = apiURLTextField.text ?? ""
default:
url = ""
}
OnePasswordExtension.shared().findLogin(forURLString: url, for: self, sender: sender) { [self] loginDictionary, error in
if let loginDictionary = loginDictionary {
usernameTextField.text = loginDictionary[AppExtensionUsernameKey] as? String
passwordTextField.text = loginDictionary[AppExtensionPasswordKey] as? String
actionButton.isEnabled = !(usernameTextField.text?.isEmpty ?? false) && !(passwordTextField.text?.isEmpty ?? false)
}
}
}
private func apiURL() -> URL? {
switch accountType {
case .freshRSS:
return URL(string: apiURLTextField.text!)!
case .inoreader:
return URL(string: ReaderAPIVariant.inoreader.host)!
case .bazQux:
return URL(string: ReaderAPIVariant.bazQux.host)!
case .theOldReader:
return URL(string: ReaderAPIVariant.theOldReader.host)!
default:
return nil
}
}
@objc func textDidChange(_ note: Notification) {
actionButton.isEnabled = !(usernameTextField.text?.isEmpty ?? false)
}
private func showError(_ message: String) {
presentError(title: "Error", message: message)
}
private func enableNavigation() {
self.cancelBarButtonItem.isEnabled = true
self.actionButton.isEnabled = true
}
private func disableNavigation() {
cancelBarButtonItem.isEnabled = false
actionButton.isEnabled = false
}
private func startAnimatingActivityIndicator() {
activityIndicator.isHidden = false
activityIndicator.startAnimating()
}
private func stopAnimatingActivityIndicator() {
self.activityIndicator.isHidden = true
self.activityIndicator.stopAnimating()
}
}
extension ReaderAPIAccountViewController: UITextFieldDelegate {
func textFieldShouldReturn(_ textField: UITextField) -> Bool {
textField.resignFirstResponder()
return true
}
}