public ActionResult Decrypt(NotificationsViewModel notification)
{
if (ModelState.IsValid)
{
// Paths for each file that we are going to store on disk
string mainDirectory = Server.MapPath("~/App_Data/Decrypt/");
string certificatesDirectory = Server.MapPath("~/App_Data/Certificates/");
string subDir = DateTime.UtcNow.ToString("yyyyMMddTHHmmssfff") + "\\";
string decryptedDirectory = Path.Combine(mainDirectory, subDir);
string encryptedNotificationPath = Path.Combine(decryptedDirectory, notification.EncryptedNotification.FileName);
string senderCertificatePath = Path.Combine(certificatesDirectory, "sender.pfx");
//Create subdirectory
Directory.CreateDirectory(decryptedDirectory);
// Save the files to disk
notification.EncryptedNotification.SaveAs(encryptedNotificationPath);
// Read certificate
byte[] senderCertificate;
using (Stream inputStream = notification.SenderCertificate.InputStream)
{
MemoryStream memoryStream = inputStream as MemoryStream;
if (memoryStream == null)
{
memoryStream = new MemoryStream();
inputStream.CopyTo(memoryStream);
}
senderCertificate = memoryStream.ToArray();
}
string zipFolder = "";
try
{
//Deflate the zip archive
zipFolder = ZipManager.ExtractArchive(encryptedNotificationPath, decryptedDirectory);
}
catch (Exception e)
{
ViewBag.Message = e.Message;
return(View("~/Views/Shared/Info.cshtml"));
}
//Decrypt the Payload
string decryptedNotificationPath = "";
try
{
decryptedNotificationPath = AesManager.DecryptNotification(zipFolder, senderCertificate, notification.SenderCertPassword, false);
}
catch (Exception e)
{
ViewBag.Message = e.Message;
return(View("~/Views/Shared/Info.cshtml"));
}
ViewBag.DecryptedNotificationPath = decryptedNotificationPath;
ViewBag.DecryptedNotificationXML = System.IO.File.ReadAllText(decryptedNotificationPath);
return(View("~/Views/Notifications/Download.cshtml"));
}
else
{
return(View(notification));
}
}
