我在此处从HTTPWebRequest
获取WebResponse
。C#WebRequest-HTTP:403 Forbidden(POST中缺少'_xsrf'参数)
WebRequest.GetResponse()
方法抛出一个WebException ("500 Internal Server Error")
。当我看到返回的HTML它说:
HTTP 403:禁止( '_xsrf' 的说法,从POST失踪)
任何人都知道此错误或知道什么林做错了什么?
(IM试图登录到网站使用POST)
编辑: 我的源代码:
private String GetLoginCookies(String pHTTPurl, String pUserIDwithFormID, String pPasswordWithFormID)
{
String loginPageUrl = pHTTPurl;
CookieContainer cookieContainer = new CookieContainer();
var Request = (HttpWebRequest)WebRequest.Create(loginPageUrl);
Request.CookieContainer = cookieContainer;
Request.Method = "GET";
WebResponse Response = Request.GetResponse();
HttpWebResponse HttpResponse = Response as HttpWebResponse;
CookieCollection cookies = null;
if (HttpResponse != null)
{
//Cookies die benötigt werden um den Loginvorgang abzuschließen
cookies = HttpResponse.Cookies;
}
string formParams = string.Format(pUserIDwithFormID + "&" + pPasswordWithFormID);
Request = (HttpWebRequest)WebRequest.Create(loginPageUrl);
Request.CookieContainer = cookieContainer;
Request.UserAgent = "I am not a Bot! Ok maybe..";
WebResponse resp = null;
Request.ContentType = "application/x-www-form-urlencoded";
Request.Method = "POST";
byte[] bytes = Encoding.ASCII.GetBytes(formParams);
Request.ContentLength = bytes.Length;
using (Stream os = Request.GetRequestStream())
{
os.Write(bytes, 0, bytes.Length);
}
try
{
resp = Request.GetResponse();
using (StreamReader sr = new StreamReader(resp.GetResponseStream()))
{
String TestResponse = sr.ReadToEnd();
}
}
catch (WebException WE)
{
DebugConsole.AppendText("HTTP Error:" + WE.Message + Environment.NewLine);
String HTML = new StreamReader(WE.Response.GetResponseStream()).ReadToEnd();
DebugConsole.AppendText(HTML);
return null;
}
String cookieHeader = resp.Headers["Set-cookie"];
if (String.IsNullOrEmpty(cookieHeader))
return null;
else
return cookieHeader;
}
就像它说的那样。这可能是进一步的帮助:https://stackoverflow.com/questions/42408177/what-is-the-difference-between-x-xsrf-token-and-x-csrf-token – Orangesandlemons