The next generation of the Teknik Services. Written in ASP.NET.
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using Org.BouncyCastle.Crypto;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web;
using System.Web.Mvc;
namespace Teknik.Utilities
/// <summary>
/// MVC action result that generates the file content using a delegate that writes the content directly to the output stream.
/// </summary>
public class FileDecryptResult : FileResult
private readonly Action<HttpResponseBase> responseDelegate;
private readonly bool bufferOutput;
/// <summary>
/// Initializes a new instance of the <see cref="FileGeneratingResult" /> class.
/// </summary>
/// <param name="fileName">Name of the file.</param>
/// <param name="contentType">Type of the content.</param>
/// <param name="content">Delegate with Stream parameter. This is the stream to which content should be written.</param>
/// <param name="bufferOutput">use output buffering. Set to false for large files to prevent OutOfMemoryException.</param>
public FileDecryptResult(string fileName, string contentType, Action<HttpResponseBase> response, bool bufferOutput)
: base(contentType)
if (response == null)
throw new ArgumentNullException("content");
this.responseDelegate = response;
this.bufferOutput = bufferOutput;
/// <summary>
/// Writes the file to the response.
/// </summary>
/// <param name="response">The response object.</param>
protected override void WriteFile(System.Web.HttpResponseBase response)
response.Buffer = bufferOutput;