internal static KeyValuePair <string, IExportFormat> GetExporter(string TypeOfFile)
{
IExportFormat Output;
string BasePath = Export.FullExportFolder;
if (!Directory.Exists(BasePath))
{
Directory.CreateDirectory(BasePath);
}
BasePath += Path.DirectorySeparatorChar;
string FullFileName = BasePath + DateTime.Now.ToString("yyyy-MM-dd HH_mm_ss");
switch (TypeOfFile)
{
case "XML":
FullFileName = GetUniqueFileName(FullFileName, ".xml");
FileStream fs = new FileStream(FullFileName, FileMode.Create, FileAccess.Write);
DateTime Created = File.GetCreationTime(FullFileName);
XmlWriterSettings Settings = XML.WriterSettings(true, false);
Settings.Async = true;
XmlWriter XmlOutput = XmlWriter.Create(fs, Settings);
string FileName = FullFileName.Substring(BasePath.Length);
Output = new XmlExportFormat(FileName, Created, XmlOutput, fs);
break;
case "Binary":
FullFileName = GetUniqueFileName(FullFileName, ".bin");
fs = new FileStream(FullFileName, FileMode.Create, FileAccess.Write);
Created = File.GetCreationTime(FullFileName);
FileName = FullFileName.Substring(BasePath.Length);
Output = new BinaryExportFormat(FileName, Created, fs, fs);
break;
case "Compressed":
FullFileName = GetUniqueFileName(FullFileName, ".gz");
fs = new FileStream(FullFileName, FileMode.Create, FileAccess.Write);
Created = File.GetCreationTime(FullFileName);
FileName = FullFileName.Substring(BasePath.Length);
GZipStream gz = new GZipStream(fs, CompressionLevel.Optimal, false);
Output = new BinaryExportFormat(FileName, Created, gz, fs);
break;
case "Encrypted":
FullFileName = GetUniqueFileName(FullFileName, ".bak");
fs = new FileStream(FullFileName, FileMode.Create, FileAccess.Write);
Created = File.GetCreationTime(FullFileName);
FileName = FullFileName.Substring(BasePath.Length);
byte[] Key = new byte[32];
byte[] IV = new byte[16];
lock (rnd)
{
rnd.GetBytes(Key);
rnd.GetBytes(IV);
}
ICryptoTransform AesTransform = aes.CreateEncryptor(Key, IV);
CryptoStream cs = new CryptoStream(fs, AesTransform, CryptoStreamMode.Write);
gz = new GZipStream(cs, CompressionLevel.Optimal, false);
Output = new BinaryExportFormat(FileName, Created, gz, fs, cs, 32);
string BasePath2 = Export.FullKeyExportFolder;
if (!Directory.Exists(BasePath2))
{
Directory.CreateDirectory(BasePath2);
}
BasePath2 += Path.DirectorySeparatorChar;
string FullFileName2 = BasePath2 + FullFileName.Substring(BasePath.Length).Replace(".bak", ".key");
using (XmlOutput = XmlWriter.Create(FullFileName2, XML.WriterSettings(true, false)))
{
XmlOutput.WriteStartDocument();
XmlOutput.WriteStartElement("KeyAes256", Export.ExportNamepace);
XmlOutput.WriteAttributeString("key", System.Convert.ToBase64String(Key));
XmlOutput.WriteAttributeString("iv", System.Convert.ToBase64String(IV));
XmlOutput.WriteEndElement();
XmlOutput.WriteEndDocument();
}
long Size;
try
{
using (fs = File.OpenRead(FullFileName2))
{
Size = fs.Length;
}
}
catch (Exception ex)
{
Log.Critical(ex);
Size = 0;
}
Created = File.GetCreationTime(FullFileName2);
ExportFormat.UpdateClientsFileUpdated(FullFileName2.Substring(BasePath2.Length), Size, Created);
break;
default:
throw new NotSupportedException("Unsupported file type.");
}
if (FullFileName.StartsWith(BasePath))
{
FullFileName = FullFileName.Substring(BasePath.Length);
}
return(new KeyValuePair <string, IExportFormat>(FullFileName, Output));
}