private static bool ExtractRarArchive(string archive, string destination, FileInfo archiveFI, Rar rar)
{
Debugger.LogMessageToFile("[Archive extractor] Found RAR archive: " + archiveFI.FullName);
#region Open
if (!rar.Open(archive))
{
Debugger.LogMessageToFile("[Archive extractor] Failed to open archive: " + rar.LastErrorText);
//MessageBox.Show("Failed to open archive " + rar.LastErrorText);
return false;
}
Debugger.LogMessageToFile("[Archive extractor] Archive opened succesfully.");
#endregion
#region Extract
//TODO: Check if destination directory exists and if not, create it
if (!rar.Unrar(destination))
{
Debugger.LogMessageToFile("[Archive extractor] Failed to extract archive: " + rar.LastErrorText);
//MessageBox.Show("Failed to extract archive " + rar.LastErrorText);
return false;
}
Debugger.LogMessageToFile("[Archive extractor] Archive was extracted succesfully.");
#endregion
rar.Close();
DeleteLeftOfMultiparts(rar);
return true;
}
internal static bool ExtractArchive(string archive, string destination)
{
//REFACTOR: Only create RAR and ZIP classes after discovering that the file actually has a .zip or .rar extension
FileInfo archiveFI = new FileInfo(archive);
Rar rar = new Rar();
FastZip fz = new FastZip();
double archivesize = archiveFI.Length * 2;
char driveLetter = archiveFI.FullName[0];
if (!CheckDiskSpaceQuota(archivesize, driveLetter)) return false;
if (archiveFI.Extension == ".rar" || archiveFI.Extension == ".RAR")
return ExtractRarArchive(archive, destination, archiveFI, rar);
// ReSharper disable ConvertIfStatementToReturnStatement
if (archiveFI.Extension == ".zip" || archiveFI.Extension == ".ZIP")
// ReSharper restore ConvertIfStatementToReturnStatement
return ExtractZipArchive(archive, destination, fz);
//TODO: Should this return false?
return true;
}
private static void DeleteLeftOfMultiparts(Rar rar)
{
if (!Settings.DeleteArchiveAfterExtraction) return;
if (rar.NumEntries <= 1) return;
for (int i = 0; i < rar.NumEntries; i++)
{
RarEntry entry = rar.GetEntryByIndex(i);
string filename = entry.Filename;
#region TRY to delete the rar file
try
{
File.Delete(filename);
}
catch (Exception e)
{
Debugger.LogMessageToFile("The extracted archive " + filename +
" could not be deleted. The error was: " + e);
}
#endregion
}
}
public void FileSignatures_TestRarFile02()
{
Rar testFile = new Rar(Path.Combine(resourceDir, "FileSignature_Compression_RarFile.r02"));
Assert.AreEqual(true, testFile.EntireFileIsValid);
}
