/// <summary>
/// Send a GET request to the specified <see cref="Uri"/>.
/// </summary>
/// <param name="requestUri">
/// The <see cref="Uri"/> the request is sent to.
/// </param>
/// <param name="referrerUri">
/// The <see cref="Uri"/> of the referring site for a request. Can be null.
/// </param>
/// <param name="referrerPolicy">
/// The policy for how the Referrer HTTP header value will be sent during request.
/// </param>
/// <param name="headers">
/// A <see cref="NameValueCollection"/> containing header name/value pairs associated with a request. Can be null.
/// </param>
/// <param name="cancellationToken">
/// A cancellation token that can be used by other objects or threads to receive notice of cancellation.
/// </param>
/// <returns>The task object representing the asynchronous operation.</returns>
/// <exception cref="ArgumentNullException">The <see cref="requestUri"/> parameter is null.</exception>
public async Task <CefNetWebRequest> GetAsync(Uri requestUri, Uri referrerUri, CefReferrerPolicy referrerPolicy, NameValueCollection headers, CancellationToken cancellationToken)
{
if (requestUri is null)
{
throw new ArgumentNullException(nameof(requestUri));
}
var r = new CefRequest();
r.Flags = (int)this.RequestFlags;
r.Url = requestUri.AbsoluteUri;
if (referrerUri != null)
{
r.SetReferrer(referrerUri.AbsoluteUri, referrerPolicy);
}
if (headers != null && headers.Count > 0)
{
using (var map = new CefStringMultimap())
{
map.Add(headers);
r.SetHeaderMap(map);
}
}
var request = new CefNetWebRequest(this);
await request.SendAsync(r, _context, cancellationToken);
return(request);
}
private void HandleLoadFromString(object sender, EventArgs e)
{
if (!CefCommandLine.Global.HasSwitch("disable-site-isolation-trials"))
{
// info:
// https://magpcss.org/ceforum/viewtopic.php?f=6&t=17176&p=43706
// https://bitbucket.org/chromiumembedded/cef/issues/2586
MessageBox.Show("This test only works with --disable-site-isolation-trials.");
}
var view = SelectedView as CustomWebView;
if (view is null)
{
return;
}
Guid sourceKey = Guid.NewGuid();
view.AddSource(sourceKey, new StringSource("Hello, world!", "text/html"));
var request = new CefRequest();
request.Url = "http://example.com";
request.SetReferrer("https://www.google.com/", CefReferrerPolicy.NeverClearReferrer);
request.SetHeaderByName("CefNet-Source", sourceKey.ToString(), false); // see CustomWebViewGlue.GetResourceHandler()
SelectedView?.GetMainFrame().LoadRequest(request);
}
protected override bool OnBeforeBrowse(CefBrowser browser, CefFrame frame, CefRequest request, bool userGesture, bool isRedirect)
{
base.OnBeforeBrowse(browser, frame, request, userGesture, isRedirect);
if (request.ReferrerURL == null)
{
request.SetReferrer(_referer, CefReferrerPolicy.Default);
}
return(false);
}
private void HandleLoadFromString(object sender, EventArgs e)
{
var view = SelectedView as CustomWebView;
if (view is null)
{
return;
}
Guid sourceKey = Guid.NewGuid();
view.AddSource(sourceKey, new StringSource("Hello, world!", "text/html"));
var request = new CefRequest();
request.Url = "http://example.com";
request.SetReferrer("https://www.google.com/", CefReferrerPolicy.NeverClearReferrer);
request.SetHeaderByName("CefNet-Source", sourceKey.ToString(), false); // see CustomWebViewGlue.GetResourceHandler()
SelectedView?.GetMainFrame().LoadRequest(request);
}
protected override CefReturnValue OnBeforeResourceLoad(CefBrowser browser, CefFrame frame, CefRequest request, CefRequestCallback callback)
{
request.SetReferrer(request.ReferrerURL, CefReferrerPolicy.Origin);
return(CefReturnValue.Continue);
}
protected override CefResourceHandler GetResourceHandler(CefBrowser browser, CefFrame frame, CefRequest request)
{
request.SetReferrer(request.ReferrerURL, CefReferrerPolicy.Origin);
//return new CefWebResourceHandler();
return(null);
}