protected override async Task Process(HttpListenerContext context)
{
context.AddAccessControlHeaders();
string getRequest = context.Request.Url.AbsolutePath.Remove(0, 1); //Remove first slash
Stream input = null;
try
{
string gameUUID = HttpUtility.UrlDecode(getRequest.Split('/')[0]);
string fileName = HttpUtility.UrlDecode(getRequest.Split('/')[1]);
if (fileName.StartsWith("GameMusic"))
{
IGameMediaCache mediaCache = new GameMediaCache(gameUUID);
string _fileName = mediaCache.GameMusicFileName;
context.Response.AddHeader("Content-Type", MimeTypes.GetMimeType(_fileName));
string filePath = Path.Combine(mediaCache.RootPath, mediaCache.CacheKey, _fileName);
input = new FileStream(filePath, FileMode.Open);
}
if (fileName.StartsWith("GameVideo"))
{
IGameMediaCache mediaCache = new GameMediaCache(gameUUID);
string _fileName = mediaCache.GameVideoFileName;
context.Response.AddHeader("Content-Type", MimeTypes.GetMimeType(_fileName));
string filePath = Path.Combine(mediaCache.RootPath, mediaCache.CacheKey, _fileName);
input = new FileStream(filePath, FileMode.Open);
}
if (fileName.StartsWith("screenshot"))
{
context.Response.AddHeader("Content-Type", "image/png");
int index;
int.TryParse(fileName.Split('~')[1], out index);
IGameScreenshotCache screenCache = new GameScreenshotCache(gameUUID);
string _fileName = screenCache.ScreenshotCollection[index];
string filePath = Path.Combine(screenCache.RootPath, screenCache.CacheKey, _fileName);
if (context.Request.QueryString["scale"] != null)
{
string _scalePercentage = context.Request.QueryString["scale"];
int scalePercentage;
if (int.TryParse(_scalePercentage, out scalePercentage))
{
if (scalePercentage <= 100 && scalePercentage > 0)
{
double trueScalePercentage = scalePercentage / 100D;
using (Image initialImage = Image.FromFile(Path.Combine(filePath)))
{
using (Image resizedImage = GameMediaCache.ResizeImage(initialImage, trueScalePercentage))
{
using (MemoryStream _input = new MemoryStream())
{
resizedImage.Save(_input, ImageFormat.Png);
input = new MemoryStream(_input.ToArray());
}
}
}
}
}
}
else
{
input = new FileStream(filePath, FileMode.Open);
}
}
if (fileName.StartsWith("BoxartBack") || fileName.StartsWith("BoxartFront") || fileName.StartsWith("BoxartFull") || fileName.StartsWith("GameFanart"))
{
StringBuilder imageFileName = new StringBuilder();
if (fileName.StartsWith("BoxartBack"))
{
imageFileName.Append("BoxartBack.png");
}
else if (fileName.StartsWith("BoxartFront"))
{
imageFileName.Append("BoxartFront.png");
}
else if (fileName.StartsWith("BoxartFull"))
{
imageFileName.Append("BoxartFull.png");
}
else if (fileName.StartsWith("GameFanart"))
{
imageFileName.Append("GameFanart.png");
}
if (fileName.Contains("@10"))
{
imageFileName.Insert(0, "@10_");
}
else if (fileName.Contains("@25"))
{
imageFileName.Insert(0, "@25_");
}
else if (fileName.Contains("@50"))
{
imageFileName.Insert(0, "@50_");
}
else if (fileName.Contains("@75_"))
{
imageFileName.Insert(0, "@75_");
}
context.Response.AddHeader("Content-Type", "image/png");
IGameMediaCache mediaCache = new GameMediaCache(gameUUID);
if (context.Request.QueryString["scale"] != null)
{
string _scalePercentage = context.Request.QueryString["scale"];
int scalePercentage;
if (int.TryParse(_scalePercentage, out scalePercentage))
{
if (scalePercentage <= 100 && scalePercentage > 0){
double trueScalePercentage = scalePercentage / 100D ;
using (Image initialImage = Image.FromFile(Path.Combine(mediaCache.RootPath, mediaCache.CacheKey, imageFileName.ToString())))
{
using (Image resizedImage = GameMediaCache.ResizeImage(initialImage, trueScalePercentage))
{
using (MemoryStream _input = new MemoryStream())
{
resizedImage.Save(_input, ImageFormat.Png);
input = new MemoryStream(_input.ToArray());
}
}
}
}
}
}
else
{
input = new FileStream(Path.Combine(mediaCache.RootPath, mediaCache.CacheKey, imageFileName.ToString()), FileMode.Open);
}
}
}
catch (FileNotFoundException)
{
context.Response.AddHeader("Content-Type", "text/plain");
context.Response.StatusCode = 404;
context.Response.StatusDescription = "404 Not Found";
input = new MemoryStream(new UTF8Encoding().GetBytes("404 Not Found"));
}
catch (IndexOutOfRangeException)
{
context.Response.AddHeader("Content-Type", "text/plain");
context.Response.StatusCode = 404;
context.Response.StatusDescription = "404 Not Found";
input = new MemoryStream(new UTF8Encoding().GetBytes("404 Not Found"));
}
catch
{
context.Response.AddHeader("Content-Type", "text/plain");
context.Response.StatusCode = 404;
context.Response.StatusDescription = "404 Not Found";
input = new MemoryStream(new UTF8Encoding().GetBytes("404 Not Found"));
}
byte[] buffer = new byte[1024 * 16];
int nbytes;
await Task.Run(() =>
{
if (input == null) //not a null check but a conditional
{
context.Response.AddHeader("Content-Type", "text/plain");
context.Response.StatusCode = 404;
context.Response.StatusDescription = "404 Not Found";
input = new MemoryStream(new UTF8Encoding().GetBytes("404 Not Found"));
}
while ((nbytes = input.Read(buffer, 0, buffer.Length)) > 0)
context.Response.OutputStream.Write(buffer, 0, nbytes);
});
input.Close();
context.Response.OutputStream.Close();
}
private IGameScreenshotCache DownloadScreenshots(IGameImagesResult imagesResult, string cacheKey)
{
IGameScreenshotCache screenshotCache = new GameScreenshotCache(cacheKey);
foreach (string screenshotUri in imagesResult.Screenshots)
{
screenshotCache.AddScreenshot(new Uri(screenshotUri));
}
return screenshotCache;
}