public string Extract(string archiveName, string folderToExtract, uint fileNumber, KnownSevenZipFormat ZipFormat, out bool isDirectory)
{
isDirectory = false;
ZipFormatG = ZipFormat;
string FileName = null;
try
{
using (SevenZipFormat Format = new SevenZipFormat(SevenZipDllPath))
{
IInArchive Archive = Format.CreateInArchive(SevenZipFormat.GetClassIdFromKnownFormat(ZipFormat));
if (Archive == null)
{
return(null);
}
try
{
using (InStreamWrapper ArchiveStream = new InStreamWrapper(File.OpenRead(archiveName)))
{
IArchiveOpenCallback OpenCallback = new ArchiveOpenCallback();
ulong CheckPos = 256 * 1024;
if (Archive.Open(ArchiveStream, ref CheckPos, OpenCallback) != 0)
{
return(null);
}
PropVariant Name = new PropVariant();
Archive.GetProperty(fileNumber, ItemPropId.kpidPath, ref Name);
FileName = (string)Name.GetObject();
Archive.GetProperty(fileNumber, ItemPropId.kpidIsFolder, ref Name);
isDirectory = (bool)Name.GetObject();
if (!isDirectory)
{
Archive.Extract(new uint[] { fileNumber }, 1, 0, new ArchiveExtractCallback(fileNumber, folderToExtract + FileName));
}
}
}
finally
{
Marshal.ReleaseComObject(Archive);
}
}
}
catch
{
}
return(FileName);
}
private static void ListOrExtract(string archiveName, string extractLocation, bool extract)
{
using (SevenZipFormat Format = new SevenZipFormat(SevenZDllPath)) {
IInArchive Archive = Format.CreateInArchive(SevenZipFormat.GetClassIdFromKnownFormat(KnownSevenZipFormat.SevenZip));
if (Archive == null)
{
return;
}
try {
using (InStreamWrapper ArchiveStream = new InStreamWrapper(File.OpenRead(archiveName))) {
IArchiveOpenCallback OpenCallback = new ArchiveOpenCallback();
// 32k CheckPos is not enough for some 7z archive formats
ulong CheckPos = 128 * 1024;
if (Archive.Open(ArchiveStream, ref CheckPos, OpenCallback) != 0)
{
return;
}
if (extract)
{
uint Count = Archive.GetNumberOfItems();
for (int i = 0; i < Count; i++)
{
PropVariant Name = new PropVariant();
Archive.GetProperty((uint)i, ItemPropId.kpidPath, ref Name);
string FileName = (string)Name.GetObject();
Archive.Extract(new uint[] { (uint)i }, 1, 0, new ArchiveExtractCallback((uint)i, FileName, extractLocation));
}
}
else
{
//Console.WriteLine("List:");
String files = "";
uint Count = Archive.GetNumberOfItems();
for (uint I = 0; I < Count; I++)
{
PropVariant Name = new PropVariant();
Archive.GetProperty(I, ItemPropId.kpidPath, ref Name);
files += String.Format("{0} - {1}\r\n", I, Name.GetObject());
}
MessageBox.Show(files);
}
}
} finally {
Marshal.ReleaseComObject(Archive);
}
}
}
static int CountFilesInArchive(string arcName)
{
arhContent = new List <string>();
using (SevenZipFormat Format = new SevenZipFormat(Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "7z.dll")))
{
IInArchive Archive = Format.CreateInArchive(SevenZipFormat.GetClassIdFromKnownFormat(KnownSevenZipFormat.Arj));
if (Archive == null)
{
return(0);
}
try
{
using (InStreamWrapper ArchiveStream = new InStreamWrapper(File.OpenRead(arcName)))
{
ulong checkPos = 32 * 1024;
if (Archive.Open(ArchiveStream, ref checkPos, null) != 0)
{
Console.WriteLine("Error!!!");
}
uint Count = Archive.GetNumberOfItems();
for (uint i = 0; i < Count; i++)
{
PropVariant Name = new PropVariant();
Archive.GetProperty(i, ItemPropId.kpidPath, ref Name);
arhContent.Add(Name.GetObject().ToString());
}
}
}
finally
{
Marshal.ReleaseComObject(Archive);
}
}
return(arhContent.Count);
}
/* ----------------------------------------------------------------- */
///
/// Get
///
/// <summary>
/// Gets information corresponding to the specified ID.
/// </summary>
///
/* ----------------------------------------------------------------- */
public static T Get <T>(this IInArchive src, int index, ItemPropId pid)
{
var var = new PropVariant();
src.GetProperty((uint)index, pid, ref var);
var obj = var.Object;
return(obj is T dest ? dest : default);
public List <string> List(string archiveName, KnownSevenZipFormat ZipFormat)
{
List <string> List = new List <string>();
using (SevenZipFormat Format = new SevenZipFormat(SevenZipDllPath))
{
IInArchive Archive = Format.CreateInArchive(SevenZipFormat.GetClassIdFromKnownFormat(ZipFormat));
if (Archive == null)
{
return(List);
}
try
{
using (InStreamWrapper ArchiveStream = new InStreamWrapper(File.OpenRead(archiveName)))
{
IArchiveOpenCallback OpenCallback = new ArchiveOpenCallback();
ulong CheckPos = 256 * 1024;
if (Archive.Open(ArchiveStream, ref CheckPos, OpenCallback) != 0)
{
return(List);
}
uint Count = Archive.GetNumberOfItems();
for (uint I = 0; I < Count; I++)
{
PropVariant Name = new PropVariant();
Archive.GetProperty(I, ItemPropId.kpidPath, ref Name);
string[] T = Name.GetObject().ToString().Split('\\');
List.Add(T[T.Length - 1]);
}
}
}
finally
{
Marshal.ReleaseComObject(Archive);
}
}
return(List);
}
/// <summary>
/// Sets output stream for writing unpacked data
/// </summary>
/// <param name="index">Current file index</param>
/// <param name="outStream">Output stream pointer</param>
/// <param name="askExtractMode">Extraction mode</param>
/// <returns>0 if OK</returns>
public int GetStream(uint index, out ISequentialOutStream outStream, AskMode askExtractMode)
{
outStream = null;
if (Canceled)
{
return(-1);
}
_currentIndex = (int)index;
if (askExtractMode == AskMode.Extract)
{
var fileName = _directory;
if (!_fileIndex.HasValue)
{
#region Extraction to a file
if (_actualIndexes == null || _actualIndexes.Contains(index))
{
var data = new PropVariant();
_archive.GetProperty(index, ItemPropId.Path, ref data);
string entryName = NativeMethods.SafeCast(data, "");
#region Get entryName
if (String.IsNullOrEmpty(entryName))
{
if (_filesCount == 1)
{
var archName = Path.GetFileName(_extractor.FileName);
archName = archName.Substring(0, archName.LastIndexOf('.'));
if (!archName.EndsWith(".tar", StringComparison.OrdinalIgnoreCase))
{
archName += ".tar";
}
entryName = archName;
}
else
{
entryName = "[no name] " + index.ToString(CultureInfo.InvariantCulture);
}
}
#endregion
try
{
fileName = Path.Combine(RemoveIllegalCharacters(_directory, true), RemoveIllegalCharacters(_directoryStructure ? entryName : Path.GetFileName(entryName)));
ValidateFileNameAndCreateDirectory(fileName);
}
catch (Exception e)
{
AddException(e);
goto FileExtractionStartedLabel;
}
_archive.GetProperty(index, ItemPropId.IsDirectory, ref data);
if (!NativeMethods.SafeCast(data, false))
{
#region Branch
_archive.GetProperty(index, ItemPropId.LastWriteTime, ref data);
var time = NativeMethods.SafeCast(data, DateTime.MinValue);
if (File.Exists(fileName))
{
var fnea = new FileOverwriteEventArgs(fileName);
OnFileExists(fnea);
if (fnea.Cancel)
{
Canceled = true;
return(-1);
}
if (String.IsNullOrEmpty(fnea.FileName))
{
outStream = _fakeStream;
goto FileExtractionStartedLabel;
}
fileName = fnea.FileName;
}
try
{
_fileStream = new OutStreamWrapper(File.Create(fileName), fileName, time, true);
}
catch (Exception e)
{
if (e is FileNotFoundException)
{
AddException(
new IOException("The file \"" + fileName +
"\" was not extracted due to the File.Create fail."));
}
else
{
AddException(e);
}
outStream = _fakeStream;
goto FileExtractionStartedLabel;
}
_fileStream.BytesWritten += IntEventArgsHandler;
outStream = _fileStream;
#endregion
}
else
{
#region Branch
if (!Directory.Exists(fileName))
{
try
{
Directory.CreateDirectory(fileName);
}
catch (Exception e)
{
AddException(e);
}
outStream = _fakeStream;
}
#endregion
}
}
else
{
outStream = _fakeStream;
}
#endregion
}
else
{
#region Extraction to a stream
if (index == _fileIndex)
{
outStream = _fileStream;
_fileIndex = null;
}
else
{
outStream = _fakeStream;
}
#endregion
}
FileExtractionStartedLabel:
_doneRate += 1.0f / _filesCount;
var iea = new FileInfoEventArgs(
_extractor.ArchiveFileData[(int)index], PercentDoneEventArgs.ProducePercentDone(_doneRate));
OnFileExtractionStarted(iea);
if (iea.Cancel)
{
if (!String.IsNullOrEmpty(fileName))
{
_fileStream.Dispose();
if (File.Exists(fileName))
{
try
{
File.Delete(fileName);
}
catch (Exception e)
{
AddException(e);
}
}
}
Canceled = true;
return(-1);
}
}
return(0);
}
internal Variant(IInArchive Archive, uint FileNumber, ItemPropId Id)
{
Archive.GetProperty(FileNumber, Id, ref variant);
}
public int findFirstExtInArchive(string ext, string archiveName, string arcType, ProgressBar progress, Label status)
{
status.Text = "Scanning Archive " + archiveName;
progress.Maximum = 4;
progress.Value = 0;
Application.DoEvents();
int num = -1;
using (SevenZipFormat format = new SevenZipFormat(SevenZipDllPath))
{
KnownSevenZipFormat sevenZip = KnownSevenZipFormat.SevenZip;
arcType = arcType.ToLower();
switch (arcType)
{
case "rar":
sevenZip = KnownSevenZipFormat.Rar;
break;
case "zip":
sevenZip = KnownSevenZipFormat.Zip;
break;
case "7z":
sevenZip = KnownSevenZipFormat.SevenZip;
break;
default:
showError("0.1");
break;
}
IInArchive o = format.CreateInArchive(SevenZipFormat.GetClassIdFromKnownFormat(sevenZip));
if (o == null)
{
showError("0.2");
num = -1;
}
try
{
using (InStreamWrapper wrapper = new InStreamWrapper(System.IO.File.OpenRead(archiveName)))
{
IArchiveOpenCallback openArchiveCallback = new ArchiveOpenCallback();
if (o.Open(wrapper, 0x40000L, openArchiveCallback) != 0)
{
showError("0.3");
num = -1;
}
uint numberOfItems = o.GetNumberOfItems();
fileInRar = "";
for (int i = 0; i < numberOfItems; i++)
{
PropVariant variant = new PropVariant();
o.GetProperty((uint)i, ItemPropId.kpidPath, ref variant);
PropVariant variant2 = new PropVariant();
o.GetProperty((uint)i, ItemPropId.kpidCRC, ref variant2);
if (Program.form.getFileExtension(variant.GetObject().ToString()).ToLower() == ext.ToLower())
{
num = i;
fileInRar = variant.GetObject().ToString();
this.crc_of_extracting_file = long.Parse(variant2.GetObject().ToString()).ToString("X8");
return(num);
}
}
return(num);
}
}
finally
{
Marshal.ReleaseComObject(o);
}
}
return(num);
}
internal Variant(IInArchive Archive, uint FileNumber, ItemPropId Id)
{
Archive.GetProperty(FileNumber, Id, ref variant);
}
/// <summary>
/// Retrieves all information about the archive.
/// </summary>
/// <exception cref="SevenZip.SevenZipArchiveException"/>
private void GetArchiveInfo(bool disposeStream)
{
if (_archive == null)
{
if (!ThrowException(null, new SevenZipArchiveException()))
{
return;
}
}
else
{
IInStream archiveStream;
using ((archiveStream = GetArchiveStream(disposeStream)) as IDisposable)
{
var openCallback = GetArchiveOpenCallback();
if (!_opened)
{
if (!OpenArchive(archiveStream, openCallback))
{
return;
}
_opened = !disposeStream;
}
_filesCount = _archive.GetNumberOfItems();
_archiveFileData = new List <ArchiveFileInfo>((int)_filesCount);
if (_filesCount != 0)
{
var data = new PropVariant();
try
{
#region Getting archive items data
for (uint i = 0; i < _filesCount; i++)
{
try
{
var fileInfo = new ArchiveFileInfo {
Index = (int)i
};
_archive.GetProperty(i, ItemPropId.Path, ref data);
fileInfo.FileName = NativeMethods.SafeCast(data, "[no name]");
_archive.GetProperty(i, ItemPropId.LastWriteTime, ref data);
fileInfo.LastWriteTime = NativeMethods.SafeCast(data, DateTime.Now);
_archive.GetProperty(i, ItemPropId.CreationTime, ref data);
fileInfo.CreationTime = NativeMethods.SafeCast(data, DateTime.Now);
_archive.GetProperty(i, ItemPropId.LastAccessTime, ref data);
fileInfo.LastAccessTime = NativeMethods.SafeCast(data, DateTime.Now);
_archive.GetProperty(i, ItemPropId.Size, ref data);
fileInfo.Size = NativeMethods.SafeCast <ulong>(data, 0);
if (fileInfo.Size == 0)
{
fileInfo.Size = NativeMethods.SafeCast <uint>(data, 0);
}
_archive.GetProperty(i, ItemPropId.Attributes, ref data);
fileInfo.Attributes = NativeMethods.SafeCast <uint>(data, 0);
_archive.GetProperty(i, ItemPropId.IsDirectory, ref data);
fileInfo.IsDirectory = NativeMethods.SafeCast(data, false);
_archive.GetProperty(i, ItemPropId.Encrypted, ref data);
fileInfo.Encrypted = NativeMethods.SafeCast(data, false);
_archive.GetProperty(i, ItemPropId.Crc, ref data);
fileInfo.Crc = NativeMethods.SafeCast <uint>(data, 0);
_archive.GetProperty(i, ItemPropId.Comment, ref data);
fileInfo.Comment = NativeMethods.SafeCast(data, "");
_archive.GetProperty(i, ItemPropId.Method, ref data);
fileInfo.Method = NativeMethods.SafeCast(data, "");
_archiveFileData.Add(fileInfo);
}
catch (InvalidCastException)
{
ThrowException(null, new SevenZipArchiveException("probably archive is corrupted."));
}
}
#endregion
#region Getting archive properties
uint numProps = _archive.GetNumberOfArchiveProperties();
var archProps = new List <ArchiveProperty>((int)numProps);
for (uint i = 0; i < numProps; i++)
{
_archive.GetArchivePropertyInfo(i, out string propName, out var propId, out var varType);
_archive.GetArchiveProperty(propId, ref data);
if (propId == ItemPropId.Solid)
{
_isSolid = NativeMethods.SafeCast(data, true);
}
// TODO Add more archive properties
if (PropIdToName.PropIdNames.ContainsKey(propId))
{
archProps.Add(new ArchiveProperty
{
Name = PropIdToName.PropIdNames[propId],
Value = data.Object
});
}
else
{
Debug.WriteLine($"An unknown archive property encountered (code {((int)propId).ToString(CultureInfo.InvariantCulture)})");
}
}
_archiveProperties = new ReadOnlyCollection <ArchiveProperty>(archProps);
if (!_isSolid.HasValue && _format == InArchiveFormat.Zip)
{
_isSolid = false;
}
if (!_isSolid.HasValue)
{
_isSolid = true;
}
#endregion
}
catch (Exception)
{
if (openCallback.ThrowException())
{
throw;
}
}
}
}
if (disposeStream)
{
_archive.Close();
_archiveStream = null;
}
_archiveFileInfoCollection = new ReadOnlyCollection <ArchiveFileInfo>(_archiveFileData);
}
}
public void GetProperty(UInt32 index, ItemPropId propID, ref PropVariant value)
{
inArchive.GetProperty(index, propID, ref value);
}
