public XHRResponseModel SendXHRUsingWebClient(XHRRequestModel requestModel)
{
var client = new HttpClient();
client.DefaultRequestHeaders.Clear();
var message = new HttpRequestMessage
{
Method = requestModel.Verb,
RequestUri = new Uri(requestModel.Url, UriKind.Absolute)
};
if (requestModel.Content != null)
{
message.Content = new StringContent(requestModel.Content, Encoding.Default, "application/json");
}
requestModel.Headers.ForEach(h => message.Headers.TryAddWithoutValidation(h.Name, h.Value));
try
{
var result = client.SendAsync(message).Result;
var response = new XHRResponseModel
{
Content = result.Content.ReadAsStringAsync().Result,
StatusCode = result.StatusCode,
HttpHeaders = result.Headers.Select(h => new HttpHeader(h.Key, h.Value.FirstOrDefault())).ToList()
};
return(response);
}
catch (Exception ex)
{
return(new XHRResponseModel
{
Content = ex.ToString()
});
}
}
public XHRResponseModel SendXHR(XHRRequestModel requestModel)
{
try
{
var requestUri = new Uri(requestModel.Url, UriKind.Absolute);
var client = new TcpClient
{
ReceiveTimeout = 60000
};
client.Connect(requestUri.Host, requestUri.Port);
var httpRequest = new StringBuilder();
// Request header
httpRequest.AppendFormat("{0} {1} HTTP/1.1{2}", requestModel.Verb, requestUri.AbsolutePath + requestUri.Query, Environment.NewLine);
// Other HTTP headers
var hostHeader = requestModel.Headers.SingleOrDefault(header => header.Name.Equals("host", StringComparison.OrdinalIgnoreCase));
if (hostHeader == null)
{
requestModel.Headers.Add(new HttpHeader("Host", requestUri.Host));
}
if (requestModel.HasContent)
{
var contentLengthHeader = requestModel.Headers.SingleOrDefault(header => header.Name.Equals("Content-Length", StringComparison.OrdinalIgnoreCase));
if (contentLengthHeader != null)
{
contentLengthHeader.Value = requestModel.Content.Length.ToString();
}
else
{
requestModel.Headers.Add(new HttpHeader("Content-Length", requestModel.Content.Length.ToString()));
}
}
requestModel.Headers.ForEach(h => httpRequest.AppendFormat("{0}: {1}{2}", h.Name, h.Value, Environment.NewLine));
httpRequest.AppendLine();
// Content
if (requestModel.HasContent)
{
httpRequest.AppendLine(requestModel.Content);
}
httpRequest.AppendLine();
// Sending request
var request = Encoding.Default.GetBytes(httpRequest.ToString());
var netStream = client.GetStream();
netStream.Write(request, 0, request.Length);
netStream.Flush();
// Parsing response
var streamReader = new StreamReader(netStream);
var contentLength = 0;
var responseMessage = new StringBuilder();
while (true)
{
var line = streamReader.ReadLine();
if (string.IsNullOrWhiteSpace(line))
{
break;
}
responseMessage.AppendLine(line);
if (line.StartsWith("content-length", StringComparison.OrdinalIgnoreCase))
{
contentLength = int.Parse(line.Substring(line.IndexOf(':') + 1, line.Length - line.IndexOf(':') - 1));
}
else if (line == Environment.NewLine)
{
break;
}
}
if (contentLength != 0)
{
var buffer = new char[contentLength];
streamReader.Read(buffer, 0, buffer.Length);
responseMessage.AppendLine();
responseMessage.Append(new string(buffer));
}
netStream.Close();
netStream.Dispose();
client.Close();
var responseMessageString = responseMessage.ToString();
return(parseResponseString(responseMessageString));
}
catch (Exception ex)
{
return(new XHRResponseModel
{
Content = ex.ToString()
});
}
}