使用CEfSharp之旅（6）拦截网络请求 截取response返回

public class request : IRequestHandler
{

public event Action<string> msg;
public event Action<string, object> msg2;
public bool GetAuthCredentials(IWebBrowser browserControl, IBrowser browser, IFrame frame, bool isProxy,
string host, int port, string realm, string scheme, IAuthCallback callback)
{

return false;
}

public IResponseFilter GetResourceResponseFilter(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IResponse response)
{

//if (!response.ResponseHeaders["Content-Type"].Contains("application/json"))
//{
//    return null;
//}

var filter = FilterManager.CreateFilter(request.Identifier.ToString());

return filter;
}
private void Filter_VOIDFUN(string arg1, string arg2, string arg3, long arg4)
{
msg2?.Invoke(arg1, arg2);
}

public bool OnBeforeBrowse(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request,
bool isRedirect)
{

var m = request.Method;
msg?.Invoke(request.Url);
msg?.Invoke(m);
if (request.Method == "POST")
{
using (var postData = request.PostData)
{
if (postData != null)
{
var elements = postData.Elements;

var charSet = request.GetCharSet();

foreach (var element in elements)
{
if (element.Type == PostDataElementType.Bytes)
{
var body = element.GetBody(charSet);
msg?.Invoke(body);
}
}
}
}
}

return false;
}

public CefReturnValue OnBeforeResourceLoad(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IRequestCallback callback)
{
var m = request.Method;
msg?.Invoke(request.Url);
msg?.Invoke(m);
if (request.Method == "POST")
{
using (var postData = request.PostData)
{
if (postData != null)
{
var elements = postData.Elements;

var charSet = request.GetCharSet();

foreach (var element in elements)
{
if (element.Type == PostDataElementType.Bytes)
{
var body = element.GetBody(charSet);
msg?.Invoke(body);
}
}
}
}
}

return CefReturnValue.Continue;
}

public bool OnCertificateError(IWebBrowser browserControl, IBrowser browser, CefErrorCode errorCode, string requestUrl, ISslInfo sslInfo, IRequestCallback callback)
{
return true;
}

public bool OnOpenUrlFromTab(IWebBrowser browserControl, IBrowser browser, IFrame frame, string targetUrl, WindowOpenDisposition targetDisposition, bool userGesture)
{
return false;
}

public void OnPluginCrashed(IWebBrowser browserControl, IBrowser browser, string pluginPath)
{

}

public bool OnProtocolExecution(IWebBrowser browserControl, IBrowser browser, string url)
{
return false;
}

public bool OnQuotaRequest(IWebBrowser browserControl, IBrowser browser, string originUrl, long newSize, IRequestCallback callback)
{
return false;
}

public void OnRenderProcessTerminated(IWebBrowser browserControl, IBrowser browser, CefTerminationStatus status)
{

}

public void OnRenderViewReady(IWebBrowser browserControl, IBrowser browser)
{

}

public void OnResourceLoadComplete(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IResponse response, UrlRequestStatus status, long receivedContentLength)
{

}

public void OnResourceRedirect(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, ref string newUrl)
{

}

public void OnResourceRedirect(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IResponse response, ref string newUrl)
{

}

public bool OnResourceResponse(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IResponse response)
{
return false; ;

}

public bool OnSelectClientCertificate(IWebBrowser browserControl, IBrowser browser, bool isProxy, string host, int port, X509Certificate2Collection certificates, ISelectClientCertificateCallback callback)
{
return true;
}
}