//[ValidateAntiForgeryToken]
public async Task <JsonResult> Upload([FromRoute] string id = null, [FromQuery] bool overwrite = false)
{
Request.EnableRewind();
var files = new List <string>();
var model = new MultipartModel();
var result = false;
if (!string.IsNullOrWhiteSpace(id) && Request.ContentLength > 0)
{
var hash = Guid.Parse(id);
using (var dbContext = Database.For <ThePalaceEntities>())
{
if (dbContext.Sessions.Any(s => s.Hash == hash && s.UntilDate > DateTime.UtcNow))
{
var path = Path.Combine(Environment.CurrentDirectory, "wwwroot", "Media");
if (Directory.Exists(path))
{
result = true;
Request.Body.GetFiles(model);
foreach (var file in model.files)
{
var fileName = Path.GetFileName(file.Filename).ToLower();
var filePath = Path.Combine(path, fileName);
if (overwrite || !System.IO.File.Exists(filePath))
{
files.Add(fileName);
try
{
using (var stream = new FileStream(filePath, FileMode.Create))
{
await stream.WriteAsync(file.FileContents);
}
}
catch (Exception ex)
{
ex.Log();
result = false;
}
}
}
}
}
}
}
return(Json(new
{
success = result,
files = files,
}));
}
public static bool GetFiles(this Stream stream, MultipartModel model)
{
var result = false;
var data = ToByteArray(stream);
var content = data.GetString();
var delimiterEndIndex = content.IndexOf("\r\n");
if (delimiterEndIndex > -1)
{
var delimiter = content.Substring(0, delimiterEndIndex);
var delimiterBytes = ("\r\n" + delimiter).GetBytes();
var regexFileName = new Regex(@"(?<=filename\=\"")(.*?)(?=\"")");
var regexContentType = new Regex(@"(?<=Content\-Type:)(.*?)(?=\r\n\r\n)");
model.files = new List <MultipartFile>();
for (var endIndex = 0; endIndex < data.Length;)
{
try
{
var filenameMatch = regexFileName.Match(content, endIndex);
var contentTypeMatch = regexContentType.Match(content, endIndex);
if (contentTypeMatch.Success && filenameMatch.Success)
{
var startIndex = contentTypeMatch.Index + contentTypeMatch.Length + "\r\n\r\n".Length;
endIndex = IndexOf(data, delimiterBytes, startIndex);
var contentLength = endIndex - startIndex;
if (contentLength > 0)
{
var fileData = new byte[contentLength];
var file = new MultipartFile();
file.ContentType = contentTypeMatch.Value.Trim();
file.Filename = filenameMatch.Value.Trim();
Buffer.BlockCopy(data, startIndex, fileData, 0, contentLength);
file.FileContents = fileData;
model.files.Add(file);
}
else
{
break;
}
}
else
{
break;
}
}
catch (Exception ex)
{
ex.DebugLog();
break;
}
}
result = true;
}
return(result);
}
