thEpisode · December 19, 2018 21:21 · Dec 19, 2018
diff --git a/BrowserLoader.cs b/BrowserLoader.cs
@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using CefSharp;
+using CefSharp.WinForms;
+
+namespace Skype.FileTransfer.Controls.Utils
+{
+    public static class BrowserLoader
+    {
+        public static void Initialize()
+        {
+            if (!Cef.IsInitialized)
+            {
+                CefSettings settings = new CefSettings();
+                settings.IgnoreCertificateErrors = true;
+                settings.CefCommandLineArgs.Add("disable-application-cache", "1");
+                settings.CefCommandLineArgs.Add("disable-session-storage", "1");
+                settings.PersistSessionCookies = false;
+                Cef.Initialize(settings);
+                CefSharpSettings.LegacyJavascriptBindingEnabled = true;
+            }
+        }
+
+        public static void ShutDown()
+        {
+            if (Cef.IsInitialized)
+            {
+                Cef.Shutdown();
+            }
+        }
+    }
+}
diff --git a/RequestHandler.cs b/RequestHandler.cs
@@ -0,0 +1,66 @@
+namespace Skype.FileTransfer.Controls.Utils
+{
+    using CefSharp;
+    using CefSharp.Handler;
+    using Controls;
+
+    public class RequestHandler : DefaultRequestHandler
+    {
+        private string _requestedUrl = "";
+        private bool _isCredentialsPrompted = false;
+
+        public override void OnResourceLoadComplete(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request,
+            IResponse response, UrlRequestStatus status, long receivedContentLength)
+        {
+            var result = _requestedUrl.Contains(request.Url);
+            base.OnResourceLoadComplete(browserControl, browser, frame, request, response, status, receivedContentLength);
+        }
+
+        public override CefReturnValue OnBeforeResourceLoad(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IRequestCallback callback)
+        {
+            if (_isCredentialsPrompted)
+            {
+                if (request.Url.EndsWith("errorPage.html"))
+                {
+                    // Here I need to refresh or delete the cache
+                    string url = this._requestedUrl;
+                    browserControl.Load(url);
+                }
+            }
+            else
+            {
+                this._requestedUrl = request.Url;
+            }
+
+            return base.OnBeforeResourceLoad(browserControl, browser, frame, request, callback);
+        }
+
+        public override bool GetAuthCredentials(IWebBrowser browserControl, IBrowser browser, IFrame frame, bool isProxy, string host, int port, 
+            string realm, string scheme, IAuthCallback callback)
+        {
+            bool handled = false;
+            _isCredentialsPrompted = true;
+
+            // Instantiate the dialog box
+            AuthBox dlg = new AuthBox(); // create new dialog with username and password field.
+
+            // Open the dialog box modally 
+            dlg.ShowDialog();
+
+            if (dlg.DialogResult)
+            {
+                // The user did not cancel out of the dialog. Retrieve the username and password.
+                callback.Continue(dlg.Username, dlg.Password);
+                handled = true;
+            }
+            else
+            {
+                var filelocator = new FileLocator();
+                string url = filelocator.GetFilePath("errorPage.html");
+                browserControl.Load(url);
+            }
+
+            return handled;
+        }
+    }
+}