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using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Security.AccessControl;
using Duplicati.Library.Common;
using Duplicati.Library.Common.IO;
using Duplicati.Library.Interface;
using Duplicati.Library.Main;
using NUnit.Framework;
namespace Duplicati.UnitTest
{
public class RestoreHandlerTests : BasicSetupHelper
{
[Test]
[Category("RestoreHandler")]
public void RestoreEmptyFile()
{
string folderPath = Path.Combine(this.DATAFOLDER, "folder");
Directory.CreateDirectory(folderPath);
string filePath = Path.Combine(folderPath, "empty_file");
File.WriteAllBytes(filePath, new byte[] { });
Dictionary<string, string> options = new Dictionary<string, string>(this.TestOptions);
using (Controller c = new Controller("file://" + this.TARGETFOLDER, options, null))
{
IBackupResults backupResults = c.Backup(new[] {this.DATAFOLDER});
Assert.AreEqual(0, backupResults.Errors.Count());
Assert.AreEqual(0, backupResults.Warnings.Count());
}
// Issue #4148 described a situation where the folders containing the empty file were not recreated properly.
Dictionary<string, string> restoreOptions = new Dictionary<string, string>(this.TestOptions)
{
["restore-path"] = this.RESTOREFOLDER,
["dont-compress-restore-paths"] = "true"
};
using (Controller c = new Controller("file://" + this.TARGETFOLDER, restoreOptions, null))
{
IRestoreResults restoreResults = c.Restore(new[] {filePath});
Assert.AreEqual(0, restoreResults.Errors.Count());
Assert.AreEqual(0, restoreResults.Warnings.Count());
}
// We need to strip the root part of the path. Otherwise, Path.Combine will simply return the second argument
// if it's determined to be an absolute path.
string rootString = SystemIO.IO_OS.GetPathRoot(filePath);
string newPathPart = filePath.Substring(rootString.Length);
if (Platform.IsClientWindows)
{
// On Windows, the drive letter is included in the path when the dont-compress-restore-paths option is used.
// The drive letter is assumed to be the first character of the path root (e.g., C:\).
newPathPart = Path.Combine(rootString.Substring(0, 1), filePath.Substring(rootString.Length));
}
string restoredFilePath = Path.Combine(restoreOptions["restore-path"], newPathPart);
Assert.IsTrue(File.Exists(restoredFilePath));
}
[Test]
[Category("RestoreHandler")]
public void RestoreInheritanceBreaks()
{
if (!Platform.IsClientWindows)
{
return;
}
string folderPath = Path.Combine(this.DATAFOLDER, "folder");
Directory.CreateDirectory(folderPath);
string filePath = Path.Combine(folderPath, "file");
File.WriteAllBytes(filePath, new byte[] {0});
// Protect access rules on the file.
FileSecurity fileSecurity = File.GetAccessControl(filePath);
fileSecurity.SetAccessRuleProtection(true, true);
File.SetAccessControl(filePath, fileSecurity);
Dictionary<string, string> options = new Dictionary<string, string>(this.TestOptions);
using (Controller c = new Controller("file://" + this.TARGETFOLDER, options, null))
{
IBackupResults backupResults = c.Backup(new[] {this.DATAFOLDER});
Assert.AreEqual(0, backupResults.Errors.Count());
Assert.AreEqual(0, backupResults.Warnings.Count());
}
// First, restore without restoring permissions.
Dictionary<string, string> restoreOptions = new Dictionary<string, string>(this.TestOptions) {["restore-path"] = this.RESTOREFOLDER};
using (Controller c = new Controller("file://" + this.TARGETFOLDER, restoreOptions, null))
{
IRestoreResults restoreResults = c.Restore(new[] {filePath});
Assert.AreEqual(0, restoreResults.Errors.Count());
Assert.AreEqual(0, restoreResults.Warnings.Count());
string restoredFilePath = Path.Combine(this.RESTOREFOLDER, "file");
Assert.IsTrue(File.Exists(restoredFilePath));
FileSecurity restoredFileSecurity = File.GetAccessControl(restoredFilePath);
Assert.IsFalse(restoredFileSecurity.AreAccessRulesProtected);
// Remove the restored file so that the later restore avoids the "Restore completed
// without errors but no files were restored" warning.
File.Delete(restoredFilePath);
}
// Restore with restoring permissions.
restoreOptions["overwrite"] = "true";
restoreOptions["restore-permissions"] = "true";
using (Controller c = new Controller("file://" + this.TARGETFOLDER, restoreOptions, null))
{
IRestoreResults restoreResults = c.Restore(new[] {filePath});
Assert.AreEqual(0, restoreResults.Errors.Count());
Assert.AreEqual(0, restoreResults.Warnings.Count());
string restoredFilePath = Path.Combine(this.RESTOREFOLDER, "file");
Assert.IsTrue(File.Exists(restoredFilePath));
FileSecurity restoredFileSecurity = File.GetAccessControl(restoredFilePath);
Assert.IsTrue(restoredFileSecurity.AreAccessRulesProtected);
}
}
}
}
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