On Thu, 15 Mar 2012 12:42:12 +0000, akshanshkhare wrote:

Hello Community,

We are building a dot net c# console application that reads data from a
REST Web Services.
The REST Web Service uses form authentication to authenticate the user.
But when we made the c# code this does not authenticate the server and
give error Time out Error in the Response.

C# Code (Time Out Error)

//Form authentication for REST Services HttpWebRequest RequestObject =
(HttpWebRequest)WebRequest.Create(new Uri(String.Format(serverURI
+"/j_security_check?username={0}&password={1}",
login, password)));
RequestObject.Method = WebRequestMethods.Http.Post;
RequestObject.ContentType =
"application/x-www-form-urlencoded";
RequestObject.Referer = clientUrl;
HttpWebResponse ResponseObject =
(HttpWebResponse)RequestObject.GetResponse();

We have also tried to authenticate the server using FORM Authentication
with CookieContainer.
But still it gives Time Out Error in the response.

C# Code with Cookie Container Used (Time Out
Error)

//Attempt to authenticate with the server with form and cookie
CookieContainer newCookieContainerObject = new CookieContainer();
HttpWebRequest Request =
(HttpWebRequest)WebRequest.Create(string.Format(serverURI +
"/j_security_check?j_username={0}&j_password={1}",
UserID, Password));
Request.CookieContainer = newCookieContainerObject;
Request.Method = WebRequestMethods.Http.Post;
Request.ContentType = "application/x-www-form-urlencoded";
HttpWebResponse ResponseObject =
(HttpWebResponse)Request.GetResponse();

We have the java code that authenticates the users and we are able to
extract the data from the REST Web Services.

Java Code (Works Fine)

// The server requires an authentication:
Create the login form HttpPost formPost = new
HttpPost(serverURI+"/j_security_check");
List<NameValuePair> nvps = new ArrayList<NameValuePair>();
nvps.add(new BasicNameValuePair("username",
login));
nvps.add(new BasicNameValuePair("password",
password));
formPost.setEntity(new UrlEncodedFormEntity(nvps,
HTTP.UTF_8));

// Step (2): The client submits the login form HttpResponse formResponse
= httpClient.execute(formPost);

Can someone please suggest where we are going wrong?
Thanks a lot for your time.

Regards,
Akshansh Khare

I created a blog about this subjects and i have verified that the code
works. Take a look (Part 2): http://blog.boriskuschel.com/search/label/C%
23

This is how it is done in there:

HttpWebRequest formPost = (HttpWebRequest)
WebRequest.Create(serverURI + "/j_security_check");
formPost.Method = "POST";
formPost.Timeout = 30000;
formPost.CookieContainer = request.CookieContainer;
formPost.ContentType = "application/x-www-form-
urlencoded";
String output = "j_username=" + login +
"&j_password=" + password;
Byte[] outputBuffer = Encoding.UTF8.GetBytes(output);
formPost.ContentLength = outputBuffer.Length;
Stream stream = formPost.GetRequestStream();
stream.Write(outputBuffer, 0, outputBuffer.Length);
stream.Close();

--
Boris Kuschel
Jazz Jumpstart Team - IBM Software, Rational
My Blog: http://blog.boriskuschel.com/
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