Form Post via HttpWebRequest
From: Tony Hunter (tony.hunter_at_misi.com)
Date: 03/10/05
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Date: Thu, 10 Mar 2005 16:48:43 -0500
Hello,
I am trying to automatically login to websites after I have used SSO to get
the credentials. For my test, I am working with my Yahoo account. The code
that I am using is code that many have said works fine. I have done some
tweaking to fit my specific needs. The Problem is when I post to the My
Yahoo login page, the apparently the user name and password are being passed
because my user name is accepted, but I am told that there is an INVALID
PASSWORD. I know the password is correct because I use the account all the
time. Has anyone had this problem? Can anyone help me? Thank you in
advance.
Tony
Here is the code I am using:
void Page_Load(object sender, EventArgs e) {
string appURL = "http://login.yahoo.com/config/login";
string strPostData = String.Format("login={0}&password={1}",
"myloginname", "mypassword");
// Setup the http request.
HttpWebRequest wrWebRequest = WebRequest.Create(appURL) as
HttpWebRequest;
wrWebRequest.Method = "POST";
wrWebRequest.ContentLength = strPostData.Length;
wrWebRequest.ContentType = "application/x-www-form-urlencoded";
wrWebRequest.CookieContainer = new CookieContainer();
// Post to the login form.
StreamWriter swRequestWriter = new
StreamWriter(wrWebRequest.GetRequestStream());
swRequestWriter.Write(strPostData);
swRequestWriter.Close();
// Get the response.
HttpWebResponse hwrWebResponse =
(HttpWebResponse)wrWebRequest.GetResponse();
// Have some cookies.
CookieCollection ccCookies = hwrWebResponse.Cookies;
// Read the response
StreamReader srResponseReader = new
StreamReader(hwrWebResponse.GetResponseStream());
string strResponseData = srResponseReader.ReadToEnd();
srResponseReader.Close();
// Display the response.
Response.Write(strResponseData);
}
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