private void CompressFolder(string path, ZipOutputStream zipStream, int folderOffset)
{
string[] files = Directory.GetFiles(path);
foreach (string filename in files)
{
LastProgress = new BackupProgressArgs(BackupProgressState.Saving, LastProgress.FilesDone + 1, LastProgress.FileTotal);
FileInfo fi = new FileInfo(filename);
string entryName = filename.Substring(folderOffset);
entryName = ZipEntry.CleanName(entryName);
ZipEntry newEntry = new ZipEntry(entryName);
newEntry.DateTime = fi.LastWriteTime;
newEntry.AESKeySize = 128;
newEntry.Size = fi.Length;
zipStream.PutNextEntry(newEntry);
byte[] buffer = new byte[4096];
using (FileStream streamReader = File.OpenRead(filename))
{
StreamUtils.Copy(streamReader, zipStream, buffer);
}
zipStream.CloseEntry();
}
string[] folders = Directory.GetDirectories(path);
foreach (string folder in folders)
{
CompressFolder(folder, zipStream, folderOffset);
}
}
public void CreateBackup(BackupInfo info, string source, string target)
{
DirectoryInfo dir = new DirectoryInfo(target);
if (!dir.Exists)
{
dir.Create();
}
this.info = info;
this.source = source;
this.target = target;
if (LastProgress != null)
{
throw new Exception("Instance already used or still in use!");
}
Task.Run(async() =>
{
LastProgress = new BackupProgressArgs(BackupProgressState.Counting, 0, 0);
int totalFiles = await CountFiles(new DirectoryInfo(this.source));
LastProgress = new BackupProgressArgs(BackupProgressState.Saving, 0, totalFiles);
CreateBackup(this.target + "\\" + info.Hash + ".data", info.Hash, this.source);
info.save(new DirectoryInfo(this.target));
LastProgress = new BackupProgressArgs(BackupProgressState.Finished, totalFiles, totalFiles);
});
}
private void Extract(string archiveFilenameIn, string password, string outFolder)
{
ZipFile zf = null;
try
{
FileStream fs = File.OpenRead(archiveFilenameIn);
zf = new ZipFile(fs);
LastProgress = new BackupProgressArgs(BackupProgressState.Saving, LastProgress.FilesDone + 1, (int)zf.Count);
if (!String.IsNullOrEmpty(password))
{
zf.Password = password;
}
foreach (ZipEntry zipEntry in zf)
{
try
{
if (!zipEntry.IsFile)
{
continue;
}
String entryFileName = zipEntry.Name;
byte[] buffer = new byte[4096];
Stream zipStream = zf.GetInputStream(zipEntry);
String fullZipToPath = Path.Combine(outFolder, entryFileName);
string directoryName = Path.GetDirectoryName(fullZipToPath);
if (directoryName.Length > 0)
{
Directory.CreateDirectory(directoryName);
}
using (FileStream streamWriter = File.Create(fullZipToPath))
{
StreamUtils.Copy(zipStream, streamWriter, buffer);
}
}
catch (Exception ex)
{
Console.WriteLine("Unable to extract entry: " + ex.ToString());
}
LastProgress = new BackupProgressArgs(BackupProgressState.Saving, LastProgress.FilesDone + 1, LastProgress.FileTotal);
}
}
finally
{
if (zf != null)
{
zf.IsStreamOwner = true;
zf.Close();
}
}
}
public void Extract(BackupPackage backup, string target)
{
Task.Run(() =>
{
DirectoryInfo dir = new DirectoryInfo(target);
if (!dir.Exists)
{
dir.Create();
}
LastProgress = new BackupProgressArgs(BackupProgressState.Saving, 0, 0);
Extract(backup.Package.FullName, backup.BackupInfo.Hash, target);
LastProgress = new BackupProgressArgs(BackupProgressState.Finished, LastProgress.FilesDone, LastProgress.FileTotal);
});
}
