/// <summary>
/// Downloads the specified <paramref name="url"/> and calls <paramref name="completeHandler"/>
/// when the download is complete. Makes a GET Request.
/// </summary>
/// <param name="frame">valid frame</param>
/// <param name="url">url to download</param>
/// <param name="completeHandler">Action to be executed when the download is complete.</param>
public static void DownloadUrl(this IFrame frame, string url, Action <IUrlRequest, Stream> completeHandler)
{
if (!frame.IsValid)
{
throw new Exception("Frame is invalid, unable to continue.");
}
//Can be created on any valid CEF Thread, here we'll use the CEF UI Thread
Cef.UIThreadTaskFactory.StartNew(delegate
{
var request = frame.CreateRequest(false);
request.Method = "GET";
request.Url = url;
var memoryStream = new MemoryStream();
var urlRequestClient = Fluent.UrlRequestClient
.Create()
.OnDownloadData((req, stream) =>
{
stream.CopyTo(memoryStream);
})
.OnRequestComplete((req) =>
{
memoryStream.Position = 0;
completeHandler?.Invoke(req, memoryStream);
})
.Build();
var urlRequest = frame.CreateUrlRequest(request, urlRequestClient);
});
}
void f_post( )
{
string data = File.ReadAllText("post-data.txt");
string header = File.ReadAllText("post-header.txt");
string url = "https://azure.microsoft.com/en-us/cognitive-services/demo/websearchapi/";
IFrame frame = browser.GetMainFrame();
IRequest request = frame.CreateRequest();
request.Url = url;
request.Method = "POST";
request.InitializePostData();
var element = request.PostData.CreatePostDataElement();
//element.Bytes = req.PostData.;
request.PostData.AddElement(element);
NameValueCollection headers = new NameValueCollection();
//headers.Add("Content-Type", contentType);
request.Headers = headers;
frame.LoadRequest(request);
}
public bool OnBeforePopup(IWebBrowser browserControl, IBrowser browser, IFrame frame, string targetUrl, string targetFrameName, WindowOpenDisposition targetDisposition, bool userGesture, IPopupFeatures popupFeatures, IWindowInfo windowInfo, IBrowserSettings browserSettings, ref bool noJavascriptAccess, out IWebBrowser newBrowser)
{
var chromiumWebBrowser = (ExtChromiumBrowser)browserControl;
chromiumWebBrowser.Dispatcher.Invoke(new Action(() =>
{
BrowserPopupWin win = new BrowserPopupWin();
win.ShowInTaskbar = false;
win.Height = 0;
win.Width = 0;
win.Show();
IntPtr handle = new WindowInteropHelper(win).Handle;
windowInfo.SetAsChild(handle);
_scheduler.Run(() =>
{
WaitUtil.Wait(() => chromiumWebBrowser.PostData);
IRequest request = null;
if (chromiumWebBrowser.PostData != null)
{
request = frame.CreateRequest();
request.Url = targetUrl;
request.Method = "POST";
request.InitializePostData();
var element = request.PostData.CreatePostDataElement();
element.Bytes = chromiumWebBrowser.PostData;
request.PostData.AddElement(element);
chromiumWebBrowser.PostData = null;
}
chromiumWebBrowser.Dispatcher.Invoke(new Action(() =>
{
NewWindowEventArgs e = new NewWindowEventArgs(targetUrl, request);
chromiumWebBrowser.OnNewWindow(e);
}));
chromiumWebBrowser.Dispatcher.Invoke(new Action(() =>
{
win.Close();
}));
});
}));
newBrowser = null;
return(false);
}
public static void Navigate(this IWebBrowser browser, byte[] postDataBytes, IRequest requestCopy)
{
IFrame frame = browser.GetBrowser().MainFrame;
IRequest request = frame.CreateRequest();
request.Url = requestCopy.Url;
request.Method = "POST";
request.InitializePostData();
var element = request.PostData.CreatePostDataElement();
element.Bytes = postDataBytes;
request.PostData.AddElement(element);
request.Headers = requestCopy.Headers;
frame.LoadRequest(request);
}
/// <summary>
/// Downloads the specified <paramref name="url"/> as a <see cref="byte[]"/>.
/// Makes a GET Request.
/// </summary>
/// <param name="frame">valid frame</param>
/// <param name="url">url to download</param>
/// <returns>A task that can be awaited to get the <see cref="byte[]"/> representing the Url</returns>
public static Task <byte[]> DownloadUrlAsync(this IFrame frame, string url)
{
if (!frame.IsValid)
{
throw new Exception("Frame is invalid, unable to continue.");
}
var taskCompletionSource = new TaskCompletionSource <byte[]>();
//Can be created on any valid CEF Thread, here we'll use the CEF UI Thread
Cef.UIThreadTaskFactory.StartNew(delegate
{
var request = frame.CreateRequest(false);
request.Method = "GET";
request.Url = url;
var memoryStream = new MemoryStream();
var urlRequestClient = Fluent.UrlRequestClient
.Create()
.OnDownloadData((req, stream) =>
{
stream.CopyTo(memoryStream);
})
.OnRequestComplete((req) =>
{
if (req.RequestStatus == UrlRequestStatus.Success)
{
taskCompletionSource.TrySetResultAsync(memoryStream.ToArray());
}
else
{
taskCompletionSource.TrySetExceptionAsync(new Exception("RequestStatus:" + req.RequestStatus + ";StatusCode:" + req.Response.StatusCode));
}
})
.Build();
var urlRequest = frame.CreateUrlRequest(request, urlRequestClient);
});
return(taskCompletionSource.Task);
}
public static void Navigate(this IWebBrowser browser, string url, byte[] postDataBytes, string contentType)
{
IFrame frame = browser.GetMainFrame();
IRequest request = frame.CreateRequest();
request.Url = url;
request.Method = "POST";
request.InitializePostData();
var element = request.PostData.CreatePostDataElement();
element.Bytes = postDataBytes;
request.PostData.AddElement(element);
NameValueCollection headers = new NameValueCollection();
headers.Add("Content-Type", contentType);
request.Headers = headers;
frame.LoadRequest(request);
}