에 정보가 담기면 evaluateJavaScript를 시도함 override func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) { if keyPath == "title" { if let title = wkWebView.title, title == "KCPCert" { jsInjectScript() } } } private func loadFormData() { let htmlString = """ <html><title>KCPCert

// // KCPCertViewController.swift // Example // // Created by // Copyright © 2023 NHN COMMERCE Corp. All rights reserved. // import Foundation import WebKit class KCPCertViewController: UIViewController { lazy var wkWebView: WKWebView = { var view = WKWebView() view.backgroundColor = UIColor.clear return view }() var formData: String init(formData: String) { self.formData = formData super.init(nibName: nil, bundle: nil) } required init?(coder: NSCoder) { fatalError("init(coder:) has not been implemented") } deinit { wkWebView.removeObserver(self, forKeyPath: #keyPath(WKWebView.title)) } override func viewDidAppear(_ animated: Bool) { super.viewDidAppear(animated) } override func viewDidLoad() { super.viewDidLoad() setupView() loadFormData() } private func setupView() { self.title = "휴대폰 본인인증" self.view.backgroundColor = .white self.view.addSubview(wkWebView) wkWebView.navigationDelegate = self wkWebView.uiDelegate = self wkWebView.configuration.preferences.javaScriptCanOpenWindowsAutomatically = true wkWebView.addObserver(self, forKeyPath: #keyPath(WKWebView.title), options: .new, context: nil) wkWebView.translatesAutoresizingMaskIntoConstraints = false wkWebView.leadingAnchor.constraint(equalTo: view.leadingAnchor).isActive = true wkWebView.trailingAnchor.constraint(equalTo: view.trailingAnchor).isActive = true wkWebView.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor).isActive = true wkWebView.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor).isActive = true } // webview내 dom 생성이 완료되고 html 에 정보가 담기면 evaluateJavaScript를 시도함 override func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey : Any]?, context: UnsafeMutableRawPointer?) { if keyPath == "title" { if let title = wkWebView.title, title == "KCPCert" { jsInjectScript() } } } private func loadFormData() { let htmlString = """ <html><title>KCPCert \(self.formData) """ wkWebView.loadHTMLString(htmlString, baseURL: Bundle.main.bundleURL) } // form submit evaluateJavaScript private func jsInjectScript() { let injectJavaScript: String = """ document.getElementById("form_auth").submit(); """ var jsStr = injectJavaScript.trimmingCharacters(in: .whitespaces) jsStr = jsStr.trimmingCharacters(in: .whitespacesAndNewlines) jsStr = jsStr.trimmingCharacters(in: .newlines) wkWebView.evaluateJavaScript(jsStr, completionHandler: nil) } // URI 파싱 private func parseReturnUrl(requestURL: URL) { if let urlComponent = URLComponents(url: requestURL, resolvingAgainstBaseURL: true) { let queryItems = urlComponent.queryItems if let key = queryItems?.first(where: { $0.name == "key" })?.value { print("key: \(key)") } } } } extension KCPCertViewController: WKNavigationDelegate, WKUIDelegate { @available(iOS 13.0, *) public func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, preferences: WKWebpagePreferences, decisionHandler: @escaping (WKNavigationActionPolicy, WKWebpagePreferences) -> Void) { var policy = WKNavigationActionPolicy.allow if let requestURL = navigationAction.request.url { if (requestURL.host == "itunes.apple.com" || requestURL.scheme == "tel" || requestURL.scheme == "sms" || requestURL.scheme == "mailto") && UIApplication.shared.canOpenURL(requestURL) { UIApplication.shared.open(requestURL, options: [:], completionHandler: nil) policy = .cancel } else if requestURL.scheme != "http" && requestURL.scheme != "https" { if requestURL.scheme == "file" { policy = .allow } else { if requestURL.scheme == "shopbyexample" { if let host = requestURL.host, host == "form" { if let _ = requestURL.query as String? { // URI 파싱 key값 추출 parseReturnUrl(requestURL: requestURL) } policy = .allow decisionHandler(policy, preferences) return } } UIApplication.shared.open(requestURL, options: [:], completionHandler: nil) policy = .cancel } } } decisionHandler(policy, preferences) } func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) { } // 새창 띄우기 func webView(_ webView: WKWebView, createWebViewWith configuration: WKWebViewConfiguration, for navigationAction: WKNavigationAction, windowFeatures: WKWindowFeatures) -> WKWebView? { let createWebView = WKWebView(frame: self.wkWebView.frame, configuration: configuration) createWebView.navigationDelegate = self createWebView.uiDelegate = self self.view.addSubview(createWebView) return createWebView } }