I need to make from my app an authentificated httpwebrequest. the response to my request should be in json format. for this i'm using the code below:
// Create the web request
Uri address = new Uri("http://www.mysite.com/remote/user/login/format/json");
HttpWebRequest request = WebRequest.Create(address) as HttpWebRequest;
request.Method = "POST";
request.UseDefaultCredentials = false;
request.Credentials = new NetworkCredential(UserName, Password);
request.PreAuthenticate = true;
request.ContentType = "application/x-www-form-urlencoded";
request.Accept = "application/json";
string data = string.Format("username={0}&password={1}", otherusername, otherpassword);
// Create a byte array of the data we want to send
byte[] byteData = UTF8Encoding.UTF8.GetBytes(data);
// Set the content length in the request headers
request.ContentLength = byteData.Length;
//Write data
using (Stream postStream = request.GetRequestStream())
{
postStream.Write(byteData, 0, byteData.Length);
}
// Get response
try
{
using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
{
// Get the response stream
StreamReader reader = new StreamReader(response.GetResponseStream());
// Console application output
jsonResponse = reader.ReadToEnd();
reader.Close();
}
user = new User();
JObject o = JObject.Parse(jsonResponse);
user.Unguessable_id = (string)o["unguessable_id"];
user.Print_id = (string)o["print_id"];
user.Rrid = (string)o["rrid"];
user.Raid = (string)o["raid"];
}
catch (WebException ex) {
errorMessage = ex.Message;
}
the problem is that the very first call it always gives a 500 error on the server. and the request fails. if i redo the call(by making an refresh in my browser) the request is successful.
the request should look like this in normal conditions:
POST /remote/user/login/format/json HTTP/1.1
Host: <yourhost>
username=user&password=pass
but when the server sends out the 500 error he received something like this:
username=user&password=passwordPOST /remote/user/login/format/json HTTP/1.1
any idea why this is happening? in my test app if i refresh the page that makes the httpwebrequest the call is successful.
EDIT: after installing Fiddler the requests made look like this:
=> the one that generates 500
POST http://www.mysite.com/remote/user/login/format/json HTTP/1.1
Content-Type: application/x-www-form-urlencoded
Accept: application/json
Host: www.mysite.com
Content-Length: 30
Expect: 100-continue
Connection: Keep-Alive
username=user&password=pass
=> the one made on refresh
POST http://www.mysite.com/remote/user/login/format/json HTTP/1.1
Content-Type: application/x-www-form-urlencoded
Accept: application/json
Authorization: Basic ZGNpOkFpR2g3YWVj
Host: www.mysite.com
Content-Length: 30
Expect: 100-continue
Connection: Keep-Alive
username=user&password=pass
it seems that Authorization: Basic ZGNpOkFpR2g3YWVj is not included in the first request...why is that happening?(i'm using the same code for both requests)
