public static void Create(string source, string destination, string issuer, string comment)
{
if (!Directory.Exists(source))
throw new ArgumentException("Source directory not found.");
if (!Directory.Exists(destination))
throw new ArgumentException("Destination directory not found.");
var workingDirectory = new WorkingDirectory(source);
workingDirectory.ImportFiles();
var backupStatus = new BackupStatus();
string newId = new Random().Next().ToString();
if (File.Exists(Path.Combine(destination, "1.zip")))
{
File.Move(Path.Combine(destination, "1.zip"), Path.Combine(destination, newId + ".zip"));
}
else
{
newId = null;
}
backupStatus.ReadFiles(Path.Combine(destination, newId + ".zip"), true);
workingDirectory.CreateIncrementalBackup(Path.Combine(destination, "1.zip"), backupStatus, newId, comment, issuer);
}
public static void Combine(string zipPath, string resultPath, int maxDepth, string issuer,
string comment)
{
if (!File.Exists(zipPath))
throw new ArgumentException("Source directory not found.");
if (!Directory.Exists(Path.GetDirectoryName(Path.GetFullPath(resultPath))))
throw new ArgumentException("Destination directory not found.");
if (File.Exists(resultPath))
throw new ArgumentException("Destination file already exists.");
var backupStatus = new BackupStatus();
backupStatus.ReadFiles(zipPath, true, maxDepth);
var groups = from x in backupStatus.Root.Children
group x by x.ArchivePath
into archives
select archives;
using (var file = ZipFile.Open(resultPath, ZipArchiveMode.Create))
{
var informationFile = file.CreateEntry("info.xml");
using (var stream = informationFile.Open())
{
var information = new BackupInformation
{
DeletedFiles = backupStatus.LastDeletedFiles,
ParentName = backupStatus.Root.Information.ParentName,
CreationDate = DateTime.Now,
Issuer = issuer,
Comment = comment
};
information.Save(stream);
}
foreach (var group in groups)
{
using (var zipFile = ZipFile.Open(group.Key, ZipArchiveMode.Read))
{
foreach (var backupFile in group)
{
var relativeName = "data" + backupFile.VirtualPath.Substring(1);
var entry = file.CreateEntry(relativeName + "." + backupFile.FileHash);
using (var stream = entry.Open())
{
using (var fileStream = zipFile.GetEntry(entry.FullName).Open())
{
fileStream.CopyTo(stream);
}
}
}
}
}
}
}
public void CreateIncrementalBackup(string fileName, BackupStatus backupStatus, string parentHash = null, string comment = null, string issuer = null)
{
var addedFiles = Root.Children.Where(
a =>
!backupStatus.Root.Children.Any(m => m.VirtualPath == a.VirtualPath && m.FileHash == a.FileHash));
var removedFiles = backupStatus.Root.Children.Where(
a =>
Root.Children.All(m => m.VirtualPath != a.VirtualPath));
SaveBackup (fileName, parentHash, removedFiles, addedFiles, comment, issuer);
}
public void BackupStatusReadSingleFileCorrectly()
{
var backupStatus = new BackupStatus();
backupStatus.ReadFiles(Path.Combine(BackupDirectory, "test.zip"));
CollectionAssert.AllItemsAreUnique(backupStatus.Root.Children);
Assert.AreEqual(4, backupStatus.Root.Children.Count);
Assert.IsNotNull(backupStatus.Root.Children.SingleOrDefault(a => a.VirtualPath == "./test.txt"));
Assert.IsNotNull(backupStatus.Root.Children.SingleOrDefault(a => a.VirtualPath == "./test2.txt"));
Assert.IsNotNull(backupStatus.Root.Children.SingleOrDefault(a => a.VirtualPath == "./bin/test3.txt"));
Assert.IsNotNull(backupStatus.Root.Children.SingleOrDefault(a => a.VirtualPath == "./bin/a/b/c/test4.txt"));
var info = backupStatus.Root.Information;
Assert.IsNotNull(info);
Assert.IsNotNull(info.DeletedFiles);
Assert.IsNotNull(info.DeletedFiles.SingleOrDefault(a => a == "./test_del.txt"));
Assert.AreEqual("248990293", info.ParentName);
}
public void BackupStatusHasRootNode()
{
var backupStatus = new BackupStatus();
Assert.IsNotNull(backupStatus.Root);
}
public static void Extract(string source, string destination, int maxDepth, bool force)
{
if (!File.Exists(source))
throw new ArgumentException("Source directory not found.");
if (!Directory.Exists(destination))
throw new ArgumentException("Destination directory not found.");
var backupStatus = new BackupStatus();
backupStatus.ReadFiles(source, true, maxDepth);
var groups = from x in backupStatus.Root.Children
group x by x.ArchivePath
into archives
select archives;
Parallel.ForEach(groups, group =>
{
using (var archive = ZipFile.Open(@group.Key, ZipArchiveMode.Read))
{
foreach (var backupFile in @group)
{
var file = "data" + backupFile.VirtualPath.Substring(1) + "." +
backupFile.FileHash;
var compressedFile = archive.GetEntry(file);
using (var stream = compressedFile.Open())
{
var resultFileName = Path.Combine(destination,
backupFile.VirtualPath
.Substring(2));
Directory.CreateDirectory(Path.GetDirectoryName(resultFileName));
if (File.Exists(resultFileName) && !force)
Console.WriteLine(
"Overriding files is disabled. Use --force to enable it.");
else if (force)
File.Delete(resultFileName);
using (var fileStream = File.Create(resultFileName))
{
stream.CopyTo(fileStream);
}
}
}
}
});
}
public static BackupStatus GetStatus(string path)
{
var backup = new BackupStatus();
backup.ReadFiles(path);
return backup;
}
public static IEnumerable<BackupFile> GetFiles(string source)
{
var backup = new BackupStatus();
backup.ReadFiles(source);
return backup.Root.Children;
}
public static IEnumerable<string> GetDeletedFiles(string source)
{
var backup = new BackupStatus();
backup.ReadFiles(source);
return backup.Root.Information.DeletedFiles;
}
