How to create a Http web request in C# console application to a file/page which passes through the Site Minder agent ? ..

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I am trying to download a file from a server using C# console application. Below is the code that I have written to achieve the same.

C#

HttpWebRequest request = (HttpWebRequest)WebRequest.Create(fileLocation);
                request.Credentials = new NetworkCredential(userName, password, domainName);
                request.AllowAutoRedirect = true;
                WebResponse response = (HttpWebResponse)request.GetResponse();
                using (FileStream stream = new FileStream(Path.Combine(currentDirectory, fileName), FileMode.Create, FileAccess.Write))
                {
                    response.GetResponseStream().CopyTo(stream);
                }
                response.Close();

But the server where the file resides is a having "Site Minder" agent running and hence the HttpWebRequest has to pass through the site minder's authentication. Presently the request is being redirected to the web single sign on page(login page of the site minder agent) and is not able to pass through it.

I am having access to the server/file and I can download the file through the browser. But I want to have this done through the code.

Could someone please help me with the piece code to achieve the same ??.. Thanks in advance.

Posted 5-Jan-12 21:14pm

Kalmesh.Sam

Updated 5-Jan-12 21:17pm

Mehdi Gholam

v2

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Wayne Gaylard · Answer 1 · 2012-01-05T21:29:00

Solution 1

Take a look at this article on CP - How to Connect to a SiteMinder Protected Resource Using an HTTP Request[^].

Hope this helps

Posted 5-Jan-12 21:29pm

Wayne Gaylard

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Kalmesh.Sam 6-Jan-12 4:44am

Thanks for the reply. But I have already tried this code(pasted below) and no luck. Please review the code below and lemme know if any changes have to be made. Thanks.

HttpWebRequest httpReq = (HttpWebRequest)HttpWebRequest.Create(fileLocation);
httpReq.AllowAutoRedirect = false;

HttpWebResponse httpRes = (HttpWebResponse)httpReq.GetResponse();

string siteURL = httpRes.Headers["Location"];//returns the URL of Login page with Target field in it referring to exact file locations

HttpWebRequest httpReq2 = (HttpWebRequest)HttpWebRequest.Create(siteURL);
httpReq2.AllowAutoRedirect = false;
httpReq.Method = "POST";
string postData = "";
postData += "USER=" + HttpUtility.UrlEncode(userName) + "&";
postData += "PASSWORD=" + HttpUtility.UrlEncode(password);
byte[] data = System.Text.Encoding.ASCII.GetBytes(postData);
CookieContainer cc = new CookieContainer();
httpReq2.CookieContainer = cc;
httpReq2.ContentType = "application/x-www-form-urlencoded";
httpReq2.ContentLength = data.Length;
Stream sw = httpReq2.GetRequestStream();
sw.Write(data, 0, data.Length);
sw.Close();
WebResponse response = (HttpWebResponse)httpReq2.GetResponse();
using (FileStream stream = new FileStream(Path.Combine(currentDirectory, fileName), FileMode.Create, FileAccess.Write))
{
response.GetResponseStream().CopyTo(stream);
}
response.Close();