我创建了一个简单的SL 4应用程序以连接到Google Analytics(分析),但始终收到以下异常:
{System.Security.SecurityException: Security error.
at System.Net.Browser.BrowserHttpWebRequest.InternalEndGetResponse(IAsyncResult asyncResult)
at System.Net.Browser.BrowserHttpWebRequest.EndGetResponse(IAsyncResult asyncResult)
at GoogleAnalytics.Silverlight.MainPage.<>c__DisplayClass4.<GetResponseCallback>b__3()}
我认为这与xss有关,但我不确定该如何解决。以下代码在控制台应用程序中可以正常运行,但在SL中则不能。
UI有一个textblock控件,下面是代码:
private byte[] _data;
public MainPage()
{
InitializeComponent();
this.Loaded += new RoutedEventHandler(MainPage_Loaded);
}
private void MainPage_Loaded(object sender, RoutedEventArgs e)
{
string requestData = "Email=email@gmail.com" +
"&Passwd=password" +
"&source=Test-App" +
"&accountType=GOOGLE" +
"&service=analytics";
_data = Encoding.UTF8.GetBytes(requestData);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(new Uri("https://www.google.com/accounts/ClientLogin", UriKind.Absolute));
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = _data.Length;
request.BeginGetRequestStream(GetRequestStreamCallback, request);
}
private void GetRequestStreamCallback(IAsyncResult asynchronousResult)
{
this.Dispatcher.BeginInvoke(() =>
{
try
{
HttpWebRequest request = (HttpWebRequest)asynchronousResult.AsyncState;
Stream stream = request.EndGetRequestStream(asynchronousResult);
stream.Write(_data, 0, _data.Length);
stream.Close();
request.BeginGetResponse(GetResponseCallback, request);
}
catch (Exception e)
{
textBlock.Text = e.ToString();
}
});
}
private void GetResponseCallback(IAsyncResult asynchronousResult)
{
this.Dispatcher.BeginInvoke(() =>
{
try
{
HttpWebRequest request = (HttpWebRequest)asynchronousResult.AsyncState;
HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(asynchronousResult);
Stream stream = response.GetResponseStream();
StreamReader streamReader = new StreamReader(stream, Encoding.UTF8);
textBlock.Text = streamReader.ReadToEnd().Split(new string[] { "Auth=" }, StringSplitOptions.None)[1];
streamReader.Close();
response.Close();
}
catch (Exception e)
{
textBlock.Text = e.ToString();
}
});
}
更新:修正了一个错字。
谢谢
最佳答案
只是一些技巧,我尚未测试您的代码,但它们可能会有所帮助。
将WebClient
用于Web请求,它的代码要简洁得多...您将发现examples on MSDN <-此链接还包含有关Silverlight Web / http / https请求和安全性的几乎所有有趣的主题-您必须阅读情景
如果您在错误的环境中进行测试(例如从本地文件url(以file:/// ...开头的Web Url)测试Silverlight对象),则可能会出现问题。在您的服务中创建一个Web项目,将Silverlight项目配置为在Test Web Server或本地IIS下在该创建的Web项目中运行
我知道,没有代码示例只是链接或提示,它们可能会对您有所帮助。
最好的祝福
更新
您到底想做什么?如果您想跟踪,我已经看到了一些针对Silverlight的现成解决方案,例如Silverlight Analytics或Tracking Silverlight。这是另一个known solution。
关于c# - 从Silverlight连接到Google Analytics(分析),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/5315400/