public void Run(UnpackMethod unpackMethod, object options)
{
if (queue == null)
{
return;
}
sizeCompleted = 0;
canceled = false;
unpacker = null;
switch (unpackMethod)
{
case UnpackMethod.UnRAR: unpacker = new UnRAR(); break;
}
unpacker.SetOptions(options);
unpacker.ProgressChanged += new Action<int, DateTime>(unpacker_ProgressChanged);
unpacker.OutputChanged += new Action<string>(unpacker_OutputChanged);
queueStarted = DateTime.Now;
OnStatusChanged(new QueueStarted());
int length = queue.Count;
for (currentPosition = 0; currentPosition < length; currentPosition++)
{
if (canceled)
{
break;
}
QueueItem item = queue[currentPosition];
string file = item.FileToExtract;
string destination = item.Destination;
OnStatusChanged(new ItemStarted(item));
bool success = unpacker.Unpack(file, destination);
if (canceled)
{
break;
}
if (success)
{
if (AutoAddUnpackedFiles)
{
GetAndAddExtractedItems(item);
}
queue[currentPosition].ErrorMessage = null;
OnStatusChanged(new ItemCompleted(item, CalculateItemsLeft()));
}
else
{
OnStatusChanged(new UnpackerError(item, unpacker.ErrorMessage));
queue[currentPosition].ErrorMessage = unpacker.ErrorMessage;
CalculateAndReportProgress(0);
}
length = queue.Count;
}
if (canceled)
{
OnStatusChanged(new QueueCanceled());
}
else
{
OnStatusChanged(new QueueCompleted());
}
}
public override Stream OpenEntry(ArcFile arc, Entry entry)
{
var warc = arc as WarcFile;
var wentry = entry as WarcEntry;
if (null == warc || null == wentry || entry.Size < 8)
{
return(arc.File.CreateStream(entry.Offset, entry.Size));
}
var enc_data = new byte[entry.Size];
if (entry.Size != arc.File.View.Read(entry.Offset, enc_data, 0, entry.Size))
{
return(Stream.Null);
}
uint sig = LittleEndian.ToUInt32(enc_data, 0);
uint unpacked_size = LittleEndian.ToUInt32(enc_data, 4);
sig ^= (unpacked_size ^ 0x82AD82) & 0xffffff;
if (0 != (wentry.Flags & 0x80000000u) && entry.Size > 8) // encrypted entry
{
warc.Decoder.Decrypt(enc_data, 8, entry.Size - 8);
}
if (warc.Decoder.SchemeVersion >= 2490)
{
warc.Decoder.DecryptExtra(enc_data, 8, entry.Size - 8, 0x202);
}
if (0 != (wentry.Flags & 0x20000000u) && entry.Size > 8)
{
warc.Decoder.Decrypt2(enc_data, 8, entry.Size - 8);
}
byte[] unpacked = enc_data;
UnpackMethod unpack = null;
switch (sig & 0xffffff)
{
case 0x314859: // 'YH1'
unpack = UnpackYH1;
break;
case 0x4b5059: // 'YPK'
unpack = UnpackYPK;
break;
case 0x5a4c59: // 'YLZ'
unpack = UnpackYLZ;
break;
}
if (null != unpack)
{
unpacked = new byte[unpacked_size];
unpack(enc_data, unpacked);
if (0 != (wentry.Flags & 0x40000000))
{
warc.Decoder.Decrypt2(unpacked, 0, (uint)unpacked.Length);
}
if (warc.Decoder.SchemeVersion >= 2490)
{
warc.Decoder.DecryptExtra(unpacked, 0, (uint)unpacked.Length, 0x204);
}
}
return(new MemoryStream(unpacked));
}
public void Run(UnpackMethod unpackMethod, object options)
{
if (queue == null)
{
return;
}
sizeCompleted = 0;
canceled = false;
unpacker = null;
switch (unpackMethod)
{
case UnpackMethod.UnRAR: unpacker = new UnRAR(); break;
}
unpacker.SetOptions(options);
unpacker.ProgressChanged += new Action <int, DateTime>(unpacker_ProgressChanged);
unpacker.OutputChanged += new Action <string>(unpacker_OutputChanged);
queueStarted = DateTime.Now;
OnStatusChanged(new QueueStarted());
int length = queue.Count;
for (currentPosition = 0; currentPosition < length; currentPosition++)
{
if (canceled)
{
break;
}
QueueItem item = queue[currentPosition];
string file = item.FileToExtract;
string destination = item.Destination;
OnStatusChanged(new ItemStarted(item));
bool success = unpacker.Unpack(file, destination);
if (canceled)
{
break;
}
if (success)
{
if (AutoAddUnpackedFiles)
{
GetAndAddExtractedItems(item);
}
queue[currentPosition].ErrorMessage = null;
OnStatusChanged(new ItemCompleted(item, CalculateItemsLeft()));
}
else
{
OnStatusChanged(new UnpackerError(item, unpacker.ErrorMessage));
queue[currentPosition].ErrorMessage = unpacker.ErrorMessage;
CalculateAndReportProgress(0);
}
length = queue.Count;
}
if (canceled)
{
OnStatusChanged(new QueueCanceled());
}
else
{
OnStatusChanged(new QueueCompleted());
}
}
