我有一个通过 HttpWebRequest 进行两次调用的生产应用程序。第一次调用设置会话并接收 cookie 以维持会话,第二次调用是从 api 获取数据。响应是httponly。我在两个调用之间使用了一个共享的 CookieContainer,但是第二个调用总是失败。我将问题缩小到没有在第二个请求中发送的 cookie。我已经使用网络监视器来监视流量,如果我在第二个请求中明确设置了 cookie(请参见下面的代码),则调用成功。有人对这个问题有任何想法吗?我需要弄清楚如何让它与共享的 CookieContainer 一起工作。
private string URL_01 = "https:// [...]";
private string URL_02 = "https:// [...]";
private CookieContainer _cookieContainer = new CookieContainer();
private NetworkCredential nc = new NetworkCredential("username", "password");
private void MainPage_Loaded(object sender, RoutedEventArgs e)
{
HttpWebRequest request = HttpWebRequest.CreateHttp(URL_01);
request.CookieContainer = _cookieContainer;
request.Credentials = nc;
request.UseDefaultCredentials = false;
request.BeginGetResponse(new AsyncCallback(HandleResponse), request);
}
public void HandleResponse(IAsyncResult result)
{
HttpWebRequest request = result.AsyncState as HttpWebRequest;
if (request != null)
{
using (WebResponse response = request.EndGetResponse(result))
{
using (StreamReader reader = new StreamReader(response.GetResponseStream()))
{
string data = reader.ReadToEnd();
// gets returned data and deserializes it to an object
SessionObject so = JsonConvert.DeserializeObject<SessionObject>(data);
if (so.DeviceAPI.Session == "true")
{
// make a second call for the data
HttpWebRequest requestData = HttpWebRequest.CreateHttp(URL_02);
// when this is used, the call fails
requestData.CookieContainer = _cookieContainer;
// when this is used, the call works
//requestData.Headers[HttpRequestHeader.Cookie] = "_key=value; _secret=value";
requestData.Credentials = nc;
requestData.BeginGetResponse(new AsyncCallback(DataResponse), requestSongData);
}
}
}
}
}
public void DataResponse(IAsyncResult DataResult)
{
HttpWebRequest requestData = DataResult.AsyncState as HttpWebRequest;
if (requestData != null)
{
using (WebResponse dataResponse = requestData.EndGetResponse(DataResult))
{
using (StreamReader reader = new StreamReader(dataResponse.GetResponseStream()))
{
string data = reader.ReadToEnd();
// do something with the data
}
}
}
}
}
}