get http request header values in to c#

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I have a an application where users are authenticated using single sign on and enter our system requesting our webpage.
How would I get/read the http request(to my server) header values(including username and password) in to my application using c#.
I think its just like querystring instead I want to user request.header but could not find any documentation.
Any resource would be helpful.

Thanks!

Posted 15-Jul-13 11:27am

Member 8544853

Updated 16-Jul-13 4:36am

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lbazetto 15-Jul-13 19:09pm

you have a code to explain this action?

Member 8544853 15-Jul-13 23:06pm

No, I have been told to get http request header values(like name value pairs in a request) so as to get user name and password from single sign on to authorize the user.

lbazetto 16-Jul-13 17:33pm

I do not understand your question, but see if the link can help you:

http://msdn.microsoft.com/en-us/library/system.net.httpwebresponse.getresponseheader.aspx

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Kuthuparakkal · Answer 1 · 2013-07-18T06:38:00

Use the following method to Get cookie...

C#

private static string GetCookie()
{
            string uri = string.Empty;
            string cookie = string.Empty;

            HttpWebResponse response = POST(uri);
            if (response == null)
            {
                this.LoginStatus = "Not connected";
                return "";
            }

            WebHeaderCollection headers = response.Headers;

            if ((response.StatusCode == HttpStatusCode.Found) ||
                    (response.StatusCode == HttpStatusCode.Redirect) ||
                    (response.StatusCode == HttpStatusCode.Moved) ||
                    (response.StatusCode == HttpStatusCode.MovedPermanently))
            {
		if (headers["Set-Cookie"] != null)
		{
		   string cookies = headers["Set-Cookie"];
                   String[] fields = Regex.Split(cookies, ";\\s*");
                   cookie = fields[0];

		}
	    }
 return cookie;
}
public static HttpWebResponse POST(string url)
{
    try
    {

        HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
        request.Method = "POST";
        request.KeepAlive = true;
        request.AllowAutoRedirect = false;
        request.Accept = "*/*";
        request.ContentType = "application/x-www-form-urlencoded";
        request.UserAgent = "Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.5) Gecko/2008120122 Firefox/3.0.5";
        HttpWebResponse response = (HttpWebResponse)request.GetResponse();
        return response;
    }
    catch
    {
       return (HttpWebResponse)null;
    }
}

Now you can use the cookie returned and use it another POST or GET, post sample below:

C#

public static HttpWebResponse POST(string postData, string url, string referer, string cookie)
{
    try
    {
        byte[] byteArray = Encoding.UTF8.GetBytes(postData);
        HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
        request.Method = "POST";
        request.KeepAlive = true;
        request.AllowAutoRedirect = false;
        request.Accept = "*/*";
        request.ContentType = "application/x-www-form-urlencoded";
        if (!string.IsNullOrEmpty(cookie))
            request.Headers.Add(HttpRequestHeader.Cookie, cookie);
        if (!string.IsNullOrEmpty(referer))
            request.Referer = referer;
        request.ContentLength = byteArray.Length;
        request.UserAgent = "Mozilla/5.0 (Windows; U; Windows NT 6.0; en-US; rv:1.9.0.5) Gecko/2008120122 Firefox/3.0.5";
        //   request.Proxy = null;
        Stream dataStream = request.GetRequestStream();
        dataStream.Write(byteArray, 0, byteArray.Length);
        dataStream.Close();
        try
        {
            return (HttpWebResponse)request.GetResponse();
        }
        catch
        {
            return (HttpWebResponse)null;
        }
    }
    catch
    {
        return (HttpWebResponse)null;
    }
}