private static string _SendPostRequest(string url, string query,
HttpRequestOptions opt,
out HttpResponseInfo info)
{
Debug.Assert(url != null);
Debug.Assert(query != null);
Debug.Assert(opt != null);
byte[] data = Encoding.UTF8.GetBytes(query);
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
req.Method = "POST";
req.ContentType = "application/x-www-form-urlencoded";
req.ContentLength = data.Length;
_SetRequestOptions(req, opt);
string result = null;
Stream reqStream = req.GetRequestStream();
try
{
reqStream.Write(data, 0, data.Length);
reqStream.Close();
reqStream = null;
result = _GetResponse(req, out info);
}
finally
{
if (reqStream != null)
{
reqStream.Close();
}
}
return(result);
}
///////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////////////////
private static string _SendRequest(string url, string query,
HttpRequestOptions opt,
out HttpResponseInfo info)
{
Debug.Assert(url != null);
Debug.Assert(query != null);
Debug.Assert(opt != null);
var req = (HttpWebRequest)WebRequest.Create(_BuildUrl(url, query));
_SetRequestOptions(req, opt);
return _GetResponse(req, out info);
}
private static string _SendPostRequest(string url, string query,
HttpRequestOptions opt,
out HttpResponseInfo info)
{
Debug.Assert(url != null);
Debug.Assert(query != null);
Debug.Assert(opt != null);
byte[] data = Encoding.UTF8.GetBytes(query);
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
req.Method = "POST";
req.ContentType = "application/x-www-form-urlencoded";
req.ContentLength = data.Length;
_SetRequestOptions(req, opt);
string result = null;
Stream reqStream = req.GetRequestStream();
try
{
reqStream.Write(data, 0, data.Length);
reqStream.Close();
reqStream = null;
result = _GetResponse(req, out info);
}
finally
{
if (reqStream != null)
reqStream.Close();
}
return result;
}
/// <summary>
/// Gets response for the specified HTTP request.
/// </summary>
/// <param name="request">Request instance to get response for.</param>
/// <param name="info">Response info to filled with HTTP response data.</param>
/// <returns>Data contained in the HTTP response.</returns>
private static string _GetResponse(
HttpWebRequest request,
out HttpResponseInfo info)
{
string result = null;
using (var response = request.GetResponse())
{
result = _ReadData(response);
var httpResponse = (HttpWebResponse)response;
info = new HttpResponseInfo
{
ResponseUri = httpResponse.ResponseUri,
Cookies = httpResponse.Cookies,
};
}
return result;
}
public static string SendRequest(string url, string query,
HttpRequestOptions opt,
out HttpResponseInfo info)
{
Debug.Assert(opt != null);
string result = null;
while (true)
{
try
{
if (opt.Method == HttpMethod.Post)
result = _SendPostRequest(url, query, opt, out info);
else
result = _SendRequest(url, query, opt, out info);
break;
}
catch (Exception e)
{
if (!ProxyAuthenticationErrorHandler.HandleError(e))
{
throw;
}
}
}
return result;
}
