public void Test()
{
IFilter filter = new XZ();
filter.Open(location);
Assert.AreEqual(true, filter.IsOpened());
Assert.AreEqual(1048576, filter.GetDataForkLength());
Assert.AreNotEqual(null, filter.GetDataForkStream());
Assert.AreEqual(0, filter.GetResourceForkLength());
Assert.AreEqual(null, filter.GetResourceForkStream());
Assert.AreEqual(false, filter.HasResourceFork());
filter.Close();
}
public void CheckContents()
{
IFilter filter = new XZ();
filter.Open(location);
Stream str = filter.GetDataForkStream();
byte[] data = new byte[1048576];
str.Read(data, 0, 1048576);
str.Close();
str.Dispose();
filter.Close();
Md5Context.Data(data, out byte[] result);
Assert.AreEqual(ExpectedContents, result);
}
public override int GetHashCode()
{
int result = 17;
result = 31 * result + XX.GetHashCode();
result = 31 * result + XY.GetHashCode();
result = 31 * result + XZ.GetHashCode();
result = 31 * result + YX.GetHashCode();
result = 31 * result + YY.GetHashCode();
result = 31 * result + YZ.GetHashCode();
result = 31 * result + ZX.GetHashCode();
result = 31 * result + ZY.GetHashCode();
result = 31 * result + ZZ.GetHashCode();
return(result);
}
public override int GetHashCode()
{
int h = 17;
unchecked
{
h = h * 23 + XX.GetHashCode();
h = h * 23 + XY.GetHashCode();
h = h * 23 + XZ.GetHashCode();
h = h * 23 + YX.GetHashCode();
h = h * 23 + YY.GetHashCode();
h = h * 23 + YZ.GetHashCode();
h = h * 23 + ZX.GetHashCode();
h = h * 23 + ZY.GetHashCode();
h = h * 23 + ZZ.GetHashCode();
}
return(h);
}
private ArticleCluster GetArticleCluster(int ClusterNumber)
{
ArticleCluster AC = new ArticleCluster();
zimFileBinaryReader.BaseStream.Seek(ClusterPointers [ClusterNumber], SeekOrigin.Begin);
AC.Compression = (ArticleCluster.CompressionType)zimFileBinaryReader.ReadByte();
switch (AC.Compression)
{
case ArticleCluster.CompressionType.LZMA2:
AC.PopulateArticle(XZ.OpenXZ(zimFileBinaryReader));
break;
default:
AC.PopulateArticle(zimFileBinaryReader.BaseStream);
break;
}
return(AC);
}
/// <summary>
/// Get the content-detectable protections associated with a single path
/// </summary>
/// <param name="file">Path to the file to scan</param>
/// <returns>Dictionary of list of strings representing the found protections</returns>
private Dictionary <string, List <string> > GetInternalProtections(string file)
{
// Quick sanity check before continuing
if (!File.Exists(file))
{
return(null);
}
// Initialze the protections found
var protections = new Dictionary <string, List <string> >();
// Get the extension for certain checks
string extension = Path.GetExtension(file).ToLower().TrimStart('.');
// Open the file and begin scanning
using (FileStream fs = File.OpenRead(file))
{
// Get the first 16 bytes for matching
byte[] magic = new byte[16];
try
{
fs.Read(magic, 0, 16);
fs.Seek(-16, SeekOrigin.Current);
}
catch
{
// We don't care what the issue was, we can't read or seek the file
return(null);
}
#region Non-Archive File Types
// Executable
if (ScanAllFiles || new Executable().ShouldScan(magic))
{
var subProtections = new Executable().Scan(this, fs, file);
Utilities.AppendToDictionary(protections, subProtections);
}
// Text-based files
if (ScanAllFiles || new Textfile().ShouldScan(magic, extension))
{
var subProtections = new Textfile().Scan(this, fs, file);
Utilities.AppendToDictionary(protections, subProtections);
}
#endregion
#region Archive File Types
// If we're scanning archives, we have a few to try out
if (ScanArchives)
{
// 7-Zip archive
if (new SevenZip().ShouldScan(magic))
{
var subProtections = new SevenZip().Scan(this, fs, file);
Utilities.PrependToKeys(subProtections, file);
Utilities.AppendToDictionary(protections, subProtections);
}
// BFPK archive
if (new BFPK().ShouldScan(magic))
{
var subProtections = new BFPK().Scan(this, fs, file);
Utilities.PrependToKeys(subProtections, file);
Utilities.AppendToDictionary(protections, subProtections);
}
// BZip2
if (new BZip2().ShouldScan(magic))
{
var subProtections = new BZip2().Scan(this, fs, file);
Utilities.PrependToKeys(subProtections, file);
Utilities.AppendToDictionary(protections, subProtections);
}
// GZIP
if (new GZIP().ShouldScan(magic))
{
var subProtections = new GZIP().Scan(this, fs, file);
Utilities.PrependToKeys(subProtections, file);
Utilities.AppendToDictionary(protections, subProtections);
}
// InstallShield Cabinet
if (file != null && new InstallShieldCAB().ShouldScan(magic))
{
var subProtections = new InstallShieldCAB().Scan(this, file);
Utilities.PrependToKeys(subProtections, file);
Utilities.AppendToDictionary(protections, subProtections);
}
// Microsoft Cabinet
if (file != null && new MicrosoftCAB().ShouldScan(magic))
{
var subProtections = new MicrosoftCAB().Scan(this, file);
Utilities.PrependToKeys(subProtections, file);
Utilities.AppendToDictionary(protections, subProtections);
}
// MSI
if (file != null && new MSI().ShouldScan(magic))
{
var subProtections = new MSI().Scan(this, file);
Utilities.PrependToKeys(subProtections, file);
Utilities.AppendToDictionary(protections, subProtections);
}
// MPQ archive
if (file != null && new MPQ().ShouldScan(magic))
{
var subProtections = new MPQ().Scan(this, file);
Utilities.PrependToKeys(subProtections, file);
Utilities.AppendToDictionary(protections, subProtections);
}
// PKZIP archive (and derivatives)
if (new PKZIP().ShouldScan(magic))
{
var subProtections = new PKZIP().Scan(this, fs, file);
Utilities.PrependToKeys(subProtections, file);
Utilities.AppendToDictionary(protections, subProtections);
}
// RAR archive
if (new RAR().ShouldScan(magic))
{
var subProtections = new RAR().Scan(this, fs, file);
Utilities.PrependToKeys(subProtections, file);
Utilities.AppendToDictionary(protections, subProtections);
}
// Tape Archive
if (new TapeArchive().ShouldScan(magic))
{
var subProtections = new TapeArchive().Scan(this, fs, file);
Utilities.PrependToKeys(subProtections, file);
Utilities.AppendToDictionary(protections, subProtections);
}
// Valve archive formats
if (file != null && new Valve().ShouldScan(magic))
{
var subProtections = new Valve().Scan(this, file);
Utilities.PrependToKeys(subProtections, file);
Utilities.AppendToDictionary(protections, subProtections);
}
// XZ
if (new XZ().ShouldScan(magic))
{
var subProtections = new XZ().Scan(this, fs, file);
Utilities.PrependToKeys(subProtections, file);
Utilities.AppendToDictionary(protections, subProtections);
}
}
#endregion
}
// Clear out any empty keys
Utilities.ClearEmptyKeys(protections);
return(protections);
}
public void CheckFilterId()
{
IFilter filter = new XZ();
Assert.AreEqual(true, filter.Identify(location));
}