/// <summary>
/// Opens a stream for reading. This will detect the stream type automatically based on the extension and filetype
/// </summary>
/// <param name="path">The path of the inputfile.</param>
/// <param name="calculateHash">Wether or not to calculate the md5 hash of the stream.</param>
public Ripp3rStream(string path, bool calculateHash = true)
{
if (calculateHash)
{
StartCalculateHash();
}
input = true;
switch (Path.GetExtension(path))
{
case ".zip":
case ".001":
ZipStream zipStream = ZipStream.Create(path, FileMode.Open, FileAccess.Read);
internalStream = FindFile(zipStream);
parts = zipStream.Parts;
if (internalStream == null)
{
throw new FileNotFoundException("Cannot find an iso or decrypted iso file in the zip file.");
}
StreamType = StreamType.Zip;
break;
case ".iso":
case ".dec":
internalStream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read);
StreamType = StreamType.Normal;
break;
default:
throw new FileLoadException("Invalid file type");
}
filename = Path.GetFileName(path);
}
private static Stream FindFile(ZipStream zipStream)
{
ZipFile zf = ZipFile.Read(zipStream);
ZipEntry entry = zf.Entries.FirstOrDefault(e => e.FileName.EndsWith(".iso") || e.FileName.EndsWith(".dec"));
return(entry != null?entry.OpenReader() : null);
}
public Ripp3rStream(StreamType streamType, string filename, bool calculateHash = true)
{
StreamType = streamType;
this.filename = Path.GetFileName(filename);
string outputFile = filename;
if (streamType == StreamType.Zip)
{
string ext = Path.GetExtension(outputFile);
outputFile = outputFile.Replace(ext, ".zip");
}
if (calculateHash)
{
StartCalculateHash();
}
switch (streamType)
{
case StreamType.Zip:
ZipStream zipStream = ZipStream.Create(outputFile, FileMode.Create, FileAccess.Write);
ZipOutputStream outputStream = new ZipOutputStream(zipStream, false)
{
ParallelDeflateThreshold = 0,
EnableZip64 = Zip64Option.AsNecessary
};
outputStream.PutNextEntry(this.filename);
internalStream = outputStream;
parts = zipStream.Parts;
break;
default:
internalStream = new FileStream(outputFile, FileMode.Create, FileAccess.Write);
break;
}
}