public void Process(HttpApplication application)
{
HttpContext context = application.Context;
if (Utility.GetEnableMemoryOptimizationIdentifier(context) == null && this.IsUploadRequest(application))
{
HttpWorkerRequest workerRequest = this.GetWorkerRequest(context);
if (workerRequest != null)
{
Type knownWorkerRequestType = this.GetKnownWorkerRequestType(workerRequest);
if (knownWorkerRequestType != null)
{
int requestLength = (int)RequestStream.GetRequestLength(workerRequest);
if (requestLength > this.GetMaxRequestLength(context))
{
this.ThrowMaximumRequestLengthExceeded(application.Response);
}
UploadContext uploadContext = this.CreateUploadContext(context, requestLength);
RequestParser parser = new RequestParser(this.GetBoundary(application.Request), application.Request.ContentEncoding, uploadContext);
parser.ProcessRequest(new RequestStream(workerRequest));
uploadContext.UploadedFiles = parser.UploadedFiles;
this.SetTextContent(knownWorkerRequestType, workerRequest, parser.TextContent);
}
}
}
}
private UploadContext CreateUploadContext(HttpContext context, int requestLength)
{
UploadContext uploadContext = new UploadContext(requestLength);
UploadContext.SetUploadContext(context, uploadContext);
return(uploadContext);
}
private void DisposeUploadContext(HttpContext context)
{
UploadContext uploadContext = UploadContext.GetUploadContext(context);
if (uploadContext != null)
{
foreach (UploadedFile file in uploadContext.UploadedFiles)
{
file.Delete();
}
UploadContext.RemoveUploadContext(context);
}
}
public RequestParser(byte[] boundary, Encoding encoding, UploadContext uploadContext)
{
this._boundary = boundary;
this._encoding = encoding;
this._headerEndDelimiter = encoding.GetBytes("\r\n\r\n");
this._uploadContext = uploadContext;
if (Configuration.IsDefaultChunkSize)
{
this.CHUNK_SIZE = Math.Max(Configuration.ChunkSize, Math.Min(Configuration.MAX_CHUNK_SIZE * 100, uploadContext.RequestLength) / 100);
}
else
{
this.CHUNK_SIZE = Configuration.ChunkSize;
}
this._buffer = new byte[this.CHUNK_SIZE + this.HelperBlockSize];
}
internal static void SetUploadContext(HttpContext context, UploadContext uploadContext)
{
context.Items[_contextKey] = uploadContext;
}