private async Task ApiResponse(SimpleHttpRequest request, string target, Stream responseStream)
{
try
{
var method = target.Substring(target.LastIndexOf("/"));
var responseText = string.Empty;
var jsonSettings = new JsonSerializerSettings()
{
ContractResolver = new CamelCasePropertyNamesContractResolver()
};
switch (method)
{
case "/api":
//just return ok
responseText = JsonConvert.SerializeObject(new { response = 1 });
break;
case "/currentTrack":
//return current track
responseText = JsonConvert.SerializeObject(new { response = new { track = ViewModelLocator.Main.CurrentAudio, currentTime = ViewModelLocator.Main.CurrentAudioPositionSeconds, duration = ViewModelLocator.Main.CurrentAudioDuration.TotalSeconds, shuffle = ViewModelLocator.Main.Shuffle, repeat = ViewModelLocator.Main.Repeat } }, Formatting.None, jsonSettings);
break;
case "/isPlaying":
//return isPlaying
responseText = JsonConvert.SerializeObject(new { response = ViewModelLocator.Main.IsPlaying }, Formatting.None, jsonSettings);
break;
case "/volume":
//return volume
responseText = JsonConvert.SerializeObject(new { response = ViewModelLocator.Main.Volume }, Formatting.None, jsonSettings);
break;
}
var response = new SimpleHttpResponse();
var contentType = "application/json";
var responseBytes = Encoding.UTF8.GetBytes(responseText.ToString());
response.Headers.Add("Content-Length", responseBytes.Length.ToString());
response.Headers.Add("Content-Type", contentType);
responseStream.WriteText(response.ToString() + responseText);
responseStream.Dispose();
}
catch (Exception ex)
{
LoggingService.Log(ex);
}
}
private async void Listen()
{
if (!_run)
{
return;
}
TcpClient client = null;
try
{
client = await _listener.AcceptTcpClientAsync();
}
catch (Exception)
{
}
if (!_run || client == null)
{
return;
}
var buffer = new byte[client.ReceiveBufferSize];
var stream = client.GetStream();
SimpleHttpRequest simpleRequest = null;
if (stream.CanRead)
{
try
{
var received = await stream.ReadAsync(buffer, 0, buffer.Length);
if (received > 0)
{
var requestString = Encoding.UTF8.GetString(buffer, 0, received);
if (!string.IsNullOrEmpty(requestString))
{
Debug.WriteLine("Request: " + requestString);
simpleRequest = ProcessRequest(requestString);
if (!string.IsNullOrEmpty(simpleRequest.Body))
{
if (OnReceivedData != null)
{
OnReceivedData(simpleRequest.Body);
}
}
}
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
}
if (simpleRequest != null)
{
string target = "/index.html";
if (simpleRequest.RequestTarget.Length > 1)
{
target = simpleRequest.RequestTarget;
}
if (target.StartsWith("/api"))
{
await ApiResponse(simpleRequest, target, stream);
}
else
{
await FileResponse(simpleRequest, target, stream);
}
}
Listen();
}
private async Task FileResponse(SimpleHttpRequest request, string target, Stream responseStream)
{
var streamResourceInfo = Application.GetContentStream(new Uri("pack://application:,,,/Meridian;component/RemotePlay/web" + target));
if (streamResourceInfo != null)
{
try
{
var response = new SimpleHttpResponse();
var length = streamResourceInfo.Stream.Length;
var extension = Path.GetExtension(target);
var contentType = "application/" + extension;
switch (extension)
{
case ".html":
case ".htm":
contentType = "text/html";
break;
case ".js":
contentType = "application/javascript";
break;
case ".css":
contentType = "text/css";
break;
case ".png":
contentType = "image/png";
break;
case ".svg":
contentType = "image/svg+xml";
break;
}
response.Headers.Add("Content-Length", length.ToString());
response.Headers.Add("Content-Type", contentType);
var headerBytes = Encoding.UTF8.GetBytes(response.ToString());
responseStream.Write(headerBytes, 0, headerBytes.Length);
streamResourceInfo.Stream.CopyTo(responseStream);
await responseStream.FlushAsync();
responseStream.Close();
responseStream.Dispose();
}
catch (Exception ex)
{
LoggingService.Log(ex);
}
}
else
{
var response = new SimpleHttpResponse();
response.Status = "HTTP/1.1 404 NOT FOUND";
response.Headers.Add("Content-Length", "0");
responseStream.WriteText(response.ToString());
responseStream.Dispose();
}
}
