public static bool IsZipRelatedFile(Delimon.Win32.IO.FileInfo file1)
{
bool blZipExtension = false;
byte[] Zipbytes = { 0x50, 0x4B };
//504B
using (FileStream fs = file1.Open(Delimon.Win32.IO.FileMode.Open, Delimon.Win32.IO.FileAccess.Read, Delimon.Win32.IO.FileShare.ReadWrite))
{
if (fs == null)
{
return(false);
}
else
{
int read = 2;
byte[] buffer = new byte[read];
int readCount = fs.Read(buffer, 0, read);
using (MemoryStream ms = new MemoryStream(buffer))
{
ms.Seek(0, SeekOrigin.Begin);
byte[] realBuffer = new byte[readCount];
ms.Read(realBuffer, 0, readCount);
blZipExtension = realBuffer == Zipbytes;
}
}
try
{
fs.Close();
}
catch (Exception)
{
}
}
return(blZipExtension);
}
/// <summary>
/// Matches the file.
/// </summary>
/// <param name="filePath">The file path.</param>
/// <param name="ignoreExtension">if set to <c>true</c>
/// [ignore extension].</param>
/// <returns></returns>
public bool MatchesFile(
Delimon.Win32.IO.FileInfo filePath,
bool ignoreExtension)
{
if (filePath == null || !filePath.Exists || filePath.Length <= 0)
{
return(false);
}
else
{
if (ignoreExtension ||
MatchesFileExtension(filePath.Extension))
{
using (FileStream fs = filePath.Open(Delimon.Win32.IO.FileMode.Open, Delimon.Win32.IO.FileAccess.Read, Delimon.Win32.IO.FileShare.ReadWrite))
{
return(MatchesStream(fs));
}
}
else
{
return(false);
}
}
}
