source-code

2020-06-09 23:38:02 +02:00
parent 3e3f9ab752
commit 06a8d21b98
346 changed files with 26230 additions and 0 deletions
--- a/source-code/ALTs/AltStore/Authentication/AuthenticationViewController.swift
+++ b/source-code/ALTs/AltStore/Authentication/AuthenticationViewController.swift
@@ -0,0 +1,171 @@
+//
+//  AuthenticationViewController.swift
+//  AltStore
+//
+//  Created by Riley Testut on 9/5/19.
+//  Copyright © 2019 Riley Testut. All rights reserved.
+//
+
+import UIKit
+
+import AltSign
+
+class AuthenticationViewController: UIViewController
+{
+    var authenticationHandler: ((String, String, @escaping (Result<(ALTAccount, ALTAppleAPISession), Error>) -> Void) -> Void)?
+    var completionHandler: (((ALTAccount, ALTAppleAPISession, String)?) -> Void)?
+    
+    private weak var toastView: ToastView?
+    
+    @IBOutlet private var appleIDTextField: UITextField!
+    @IBOutlet private var passwordTextField: UITextField!
+    @IBOutlet private var signInButton: UIButton!
+    
+    @IBOutlet private var appleIDBackgroundView: UIView!
+    @IBOutlet private var passwordBackgroundView: UIView!
+    
+    @IBOutlet private var scrollView: UIScrollView!
+    @IBOutlet private var contentStackView: UIStackView!
+    
+    override func viewDidLoad()
+    {
+        super.viewDidLoad()
+        
+        self.signInButton.activityIndicatorView.style = .white
+        
+        for view in [self.appleIDBackgroundView!, self.passwordBackgroundView!, self.signInButton!]
+        {
+            view.clipsToBounds = true
+            view.layer.cornerRadius = 16
+        }
+
+        if UIScreen.main.isExtraCompactHeight
+        {
+            self.contentStackView.spacing = 20
+        }
+        
+        NotificationCenter.default.addObserver(self, selector: #selector(AuthenticationViewController.textFieldDidChangeText(_:)), name: UITextField.textDidChangeNotification, object: self.appleIDTextField)
+        NotificationCenter.default.addObserver(self, selector: #selector(AuthenticationViewController.textFieldDidChangeText(_:)), name: UITextField.textDidChangeNotification, object: self.passwordTextField)
+        
+        self.update()
+    }
+    
+    override func viewDidDisappear(_ animated: Bool)
+    {
+        super.viewDidDisappear(animated)
+        
+        self.signInButton.isIndicatingActivity = false
+        self.toastView?.dismiss()
+    }
+}
+
+private extension AuthenticationViewController
+{
+    func update()
+    {
+        if let _ = self.validate()
+        {
+            self.signInButton.isEnabled = true
+            self.signInButton.alpha = 1.0
+        }
+        else
+        {
+            self.signInButton.isEnabled = false
+            self.signInButton.alpha = 0.6
+        }
+    }
+    
+    func validate() -> (String, String)?
+    {
+        guard
+            let emailAddress = self.appleIDTextField.text?.trimmingCharacters(in: .whitespacesAndNewlines), !emailAddress.isEmpty,
+            let password = self.passwordTextField.text?.trimmingCharacters(in: .whitespacesAndNewlines), !password.isEmpty
+        else { return nil }
+        
+        return (emailAddress, password)
+    }
+}
+
+private extension AuthenticationViewController
+{
+    @IBAction func authenticate()
+    {
+        guard let (emailAddress, password) = self.validate() else { return }
+        
+        self.appleIDTextField.resignFirstResponder()
+        self.passwordTextField.resignFirstResponder()
+        
+        self.signInButton.isIndicatingActivity = true
+        
+        self.authenticationHandler?(emailAddress, password) { (result) in
+            switch result
+            {
+            case .failure(ALTAppleAPIError.requiresTwoFactorAuthentication):
+                // Ignore
+                DispatchQueue.main.async {
+                    self.signInButton.isIndicatingActivity = false
+                }
+                
+            case .failure(let error as NSError):
+                DispatchQueue.main.async {
+                    let error = error.withLocalizedFailure(NSLocalizedString("Failed to Log In", comment: ""))
+                    
+                    let toastView = ToastView(error: error)
+                    toastView.textLabel.textColor = .altPink
+                    toastView.detailTextLabel.textColor = .altPink
+                    toastView.show(in: self)
+                    self.toastView = toastView
+                    
+                    self.signInButton.isIndicatingActivity = false
+                }
+                
+            case .success((let account, let session)):
+                self.completionHandler?((account, session, password))
+            }
+            
+            DispatchQueue.main.async {
+                self.scrollView.setContentOffset(CGPoint(x: 0, y: -self.view.safeAreaInsets.top), animated: true)
+            }
+        }
+    }
+    
+    @IBAction func cancel(_ sender: UIBarButtonItem)
+    {
+        self.completionHandler?(nil)
+    }
+}
+
+extension AuthenticationViewController: UITextFieldDelegate
+{
+    func textFieldShouldReturn(_ textField: UITextField) -> Bool
+    {
+        switch textField
+        {
+        case self.appleIDTextField: self.passwordTextField.becomeFirstResponder()
+        case self.passwordTextField: self.authenticate()
+        default: break
+        }
+        
+        self.update()
+        
+        return false
+    }
+    
+    func textFieldDidBeginEditing(_ textField: UITextField)
+    {
+        guard UIScreen.main.isExtraCompactHeight else { return }
+        
+        // Position all the controls within visible frame.
+        var contentOffset = self.scrollView.contentOffset
+        contentOffset.y = 44
+        self.scrollView.setContentOffset(contentOffset, animated: true)
+    }
+}
+
+extension AuthenticationViewController
+{
+    @objc func textFieldDidChangeText(_ notification: Notification)
+    {
+        self.update()
+    }
+}