lapinek

// ViewController.swift

// . . .

// MARK: Authorization methods
extension ViewController {

    // . . .

    func authorizeWithWebView(

lapinek

// ViewController.swift

// . . .

// MARK: Conforming to WKScriptMessageHandler protocol
extension ViewController: WKScriptMessageHandler {
    func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
        print(#function)

        if message.name == "callback", let messageBody = message.body as? String, let messageBodyData = messageBody.data(using: .utf8) {

lapinek

//  AuthenticationResponse.swift

import Foundation

/**
Container for JSON callbacks expected from the authentication endpoint.
*/
struct AuthenticationResponse: Codable {
    struct Callback: Codable {
        let type: String?

lapinek

//  WebViewController.js

(function () {
    if (window.webkit) {
        var response = {
            "authId": "authId",
            "callbacks": [
                {
                    "type": "Code",
                    "input": [],

lapinek

    //  ViewController.swift

    // . . .

    // MARK: Authorization methods
    extension ViewController {
        // . . .

        /**
        Authorizes the Relying Party with an OIDC Provider.

lapinek

//  ViewController.swift

// . . .

// MARK: Delegate for the web view navigation events.
extension ViewController: WKNavigationDelegate {
    // . . .

    func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
        print("Navigation—action URL: ", navigationAction.request.url?.absoluteString ?? "")

lapinek

//  ViewController.swift

// . . .

import WebKit

// . . .

lapinek

    //  ViewController.swift

    // . . .

    // MARK: Authorization methods
    extension ViewController {
        // . . .

        /**
        Performs the authorization code flow using a web view.

lapinek

// ViewController.swift

// . . .

class ViewController: UIViewController {
    // . . .

    /**
    App Group name.

lapinek

    //  ViewController.swift

    import UIKit

    class ViewController: UIViewController {
        var webViewController: WebViewController!

        // . . .

        /**