/// <summary>
/// Adds a new file to the container
/// </summary>
/// <param name="path"></param>
public void AddFile(string path)
{
if (this.Files.ElementAt(0).Name == "The container is empty")
{
this.Files.RemoveAt(0);
}
FileInfo info = new FileInfo(path);
CFile cfile = new CFile {
Name = info.Name, Length = (int)info.Length, Offset = this.nextOffset, data = AESThenHMAC.SimpleEncryptWithPassword(ReadFileBytes(path), this.Key), Dummy = false
};
cfile.Length = cfile.data.Length;
this.Files.Add(cfile);
this.Save();
nextOffset += (int)cfile.Length;
if (this.addRandomBuffers)
{
int randSize = (int)(cfile.Length * (0.05f + new Random().NextDouble() / 10f));
var data = AESThenHMAC.SimpleEncryptWithPassword(CreateArrayWithRandomContent(randSize), this.Key);
var dummy = new CFile {
Name = "", Length = data.Length, Offset = this.nextOffset, data = data, Dummy = true
};
this.Files.Add(dummy);
this.Save();
nextOffset += (int)dummy.Length;
}
}
/// <summary>
/// Extracts a filed from the container at the specified index.
/// </summary>
/// <param name="index"></param>
/// <param name="destination"></param>
public void ExtractFile(int index, string destination)
{
var datab = AESThenHMAC.SimpleDecryptWithPassword(this.Files[index].data, this.Key);
File.WriteAllBytes(destination, datab);
}
public static CSFContainer LocalLoad(byte[] Localcontainer, string key, string path, bool loadHidden = false)
{
var container = new CSFContainer(key);
container.hiddenContainerLoaded = loadHidden;
var buffer = Localcontainer;
container.Path = path;
int sizeHeader1 = BitConverter.ToInt32(new byte[4] {
buffer[0], buffer[1], buffer[2], buffer[3]
}, 0);
int sizeHeader2 = BitConverter.ToInt32(new byte[4] {
buffer[4], buffer[5], buffer[6], buffer[7]
}, 0);
container.HeaderSize = sizeHeader1;
// Get the header
var header1 = new byte[sizeHeader1];
for (int i = 0; i < sizeHeader1; i++)
{
header1[i] = buffer[i + 8];
}
var header2 = new byte[sizeHeader2];
for (int i = 0; i < sizeHeader2; i++)
{
header2[i] = buffer[25000 + i + 8];
}
container.header1 = header1;
container.header2 = header2;
byte[] header = null;
if (loadHidden)
{
header = AESThenHMAC.SimpleDecryptWithPassword(header2, container.Key);
}
else
{
header = AESThenHMAC.SimpleDecryptWithPassword(header1, container.Key);
}
string header_str = ByteArrayToString(header);
if (header_str == "empty")
{
return(container);
}
var lines = header_str.Split("\n".ToCharArray());
foreach (var line in lines)
{
if (line.Trim().Length == 0)
{
continue;
}
var separated = line.Split("|".ToCharArray());
var offset = int.Parse(separated[1]);
var len = int.Parse(separated[2]);
var data = new byte[len];
Array.Copy(buffer, offset, data, 0, len);
container.Files.Add(new CFile {
Name = separated[0], Offset = offset, Length = len, data = data, Dummy = ((separated[3] == "dummy") ? true : false)
});
}
container.nextOffset = buffer.Length;
return(container);
}
