private void ComputeHashCore(string[] paths, DataGridViewRow[] rows, int iHashType)
{
for (int i = 0; i < paths.Length; i++)
{
try {
byte[] buffer;
DataGridViewProgressBarCell cell = (DataGridViewProgressBarCell)rows[i].Cells[2];
using (FileHashStream stream = new FileHashStream(paths[i], ReportCallbackAsync, cell)) {
using (HashAlgorithm algorithm = CreateHashAlgorithm(iHashType)) {
buffer = algorithm.ComputeHash(stream);
}
if (stream.IsAborted)
{
cell.CalculatingStatus = HashCalcStatus.Aborted;
return;
}
}
StringBuilder builder = new StringBuilder(buffer.Length);
for (int j = 0; j < buffer.Length; j++)
{
builder.Append(buffer[j].ToString("X2"));
}
Invoke(new HashInvoker2(SetRowSync), new object[] { paths[i], builder.ToString(), rows[i] });
}
catch {
Invoke(new HashInvoker2(SetRowSync), new object[] { paths[i], VALUE_ERROR, rows[i] });
}
if (fCancellationPending)
{
return;
}
}
}
protected async Task InternalCreateIRD(string savePath, CancellationToken cancellation, string isoPath = null)
{
byte[] buffer = new byte[Utilities.SectorSize];
List <FileHash> fileList = new List <FileHash>();
try
{
// First, get the partition table of this iso
using (Stream fs = Open())
{
if (fs == null)
{
return;
}
PS3CDReader reader = new PS3CDReader(fs);
List <DirectoryMemberInformation> files = reader.Members.Where(d => d.IsFile).Distinct().ToList();
StartOfDataSector = files.First().StartSector;
EndOfDataSector = files.Last().StartSector + files.Last().TotalSectors;
var updateFile = files.FirstOrDefault(
d => d.Path.Equals("/PS3_UPDATE/PS3UPDAT.PUP", StringComparison.OrdinalIgnoreCase));
long updateOffset = updateFile != null ? updateFile.StartSector * Utilities.SectorSize : 0;
fileList.AddRange(files.Select(d => new FileHash(d.StartSector, d.Length)));
if (cancellation.IsCancellationRequested)
{
return;
}
IrdFile irdFile = IrdFile.New();
using (Stream s = reader.OpenFile("PS3_GAME\\PARAM.SFO", FileMode.Open, FileAccess.Read))
{
ParamSfo sfo = ParamSfo.Load(s);
irdFile.AppVersion = sfo.GetStringValue("APP_VER");
irdFile.GameVersion = sfo.GetStringValue("VERSION");
irdFile.GameID = sfo.GetStringValue("TITLE_ID");
irdFile.GameName = sfo.GetStringValue("TITLE");
}
Interaction.Instance.ReportMessage("Processing " + (string.IsNullOrEmpty(irdFile.GameName)
? irdFile.GameID
: irdFile.GameName));
irdFile.UpdateVersion = Utilities.FindUpdateVersion(fs, updateOffset);
using (FileStream isoStream = string.IsNullOrEmpty(isoPath)
? null
: new FileStream(isoPath, FileMode.Create, FileAccess.Write))
{
if (isoStream != null)
{
isoStream.SetLength(TotalSectors * Utilities.SectorSize);
}
using (IOStream ioStream = new IOStream(fs, isoStream))
{
ioStream.Seek(0, SeekOrigin.Begin);
// Read the header, until StartOfDataSector (in sectors)
irdFile.Header = new MemoryStream();
for (int i = 0; i < StartOfDataSector; i++)
{
int bytesRead = ioStream.Read(buffer, 0, buffer.Length);
irdFile.Header.Write(buffer, 0, bytesRead);
Interaction.Instance.ReportProgress(i);
if (cancellation.IsCancellationRequested)
{
return;
}
}
irdFile.ExtractAuthData();
// Fix the regions for the actual interesting data
Regions.First().Start = (uint)StartOfDataSector;
Regions.First().Length -= (uint)StartOfDataSector;
Regions.Last().Length = (uint)EndOfDataSector - Regions.Last().Start;
// Now, we should calculate the md5 sums of all regions
Interaction.Instance.ReportMessage("Calculating hashes for " + Regions.Length + " regions.");
for (int i = 0; i < Regions.Length; i++)
{
// Calculate the hash
Interaction.Instance.ReportMessage(
"Calculate hash for region " + i + " (" + Regions[i].Start.ToString("X2") + "-" +
Regions[i].End.ToString("X2") + ")");
ioStream.Seek(Regions[i].Start * Utilities.SectorSize, SeekOrigin.Begin);
using (FileHashStream fhs = new FileHashStream(fileList, Regions[i].Start))
{
await Regions[i].CopyRegion(cancellation, ioStream, fhs);
if (cancellation.IsCancellationRequested)
{
return;
}
irdFile.RegionHashes.Add(Regions[i].SourceHash);
Interaction.Instance.ReportMessage("Region " + i + " hash: " +
Regions[i].SourceHash.AsString());
}
}
ioStream.Seek(EndOfDataSector * Utilities.SectorSize, SeekOrigin.Begin);
irdFile.Footer = new MemoryStream();
for (long i = EndOfDataSector; i < TotalSectors; i++)
{
int bytesRead = ioStream.Read(buffer, 0, buffer.Length);
irdFile.Footer.Write(buffer, 0, bytesRead);
Interaction.Instance.ReportProgress((int)(ioStream.Position / Utilities.SectorSize));
if (cancellation.IsCancellationRequested)
{
return;
}
}
}
}
irdFile.FileHashes = fileList.ToDictionary(t => t.StartSector, t => t.Hash);
irdFile.Save(savePath);
Interaction.Instance.ReportMessage("All done, IRD file saved to " + savePath);
}
}
catch (BadReadException e)
{
Interaction.Instance.ReportMessage(e.Message, ReportType.Fail);
}
catch (AuthenticationException e)
{
Interaction.Instance.ReportMessage(e.Message, ReportType.Fail);
}
}
private void ComputeHashCore(string[] paths, DataGridViewRow[] rows, int iHashType)
{
for(int i = 0; i < paths.Length; i++) {
try {
byte[] buffer;
DataGridViewProgressBarCell cell = (DataGridViewProgressBarCell)rows[i].Cells[2];
using(FileHashStream stream = new FileHashStream(paths[i], ReportCallbackAsync, cell)) {
using(HashAlgorithm algorithm = CreateHashAlgorithm(iHashType)) {
buffer = algorithm.ComputeHash(stream);
}
if(stream.IsAborted) {
cell.CalculatingStatus = HashCalcStatus.Aborted;
return;
}
}
StringBuilder builder = new StringBuilder(buffer.Length);
for(int j = 0; j < buffer.Length; j++) {
builder.Append(buffer[j].ToString("X2"));
}
Invoke(new HashInvoker2(SetRowSync), new object[] { paths[i], builder.ToString(), rows[i] });
}
catch {
Invoke(new HashInvoker2(SetRowSync), new object[] { paths[i], VALUE_ERROR, rows[i] });
}
if(fCancellationPending) {
return;
}
}
}
