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Fixed: Dataloss when moving series folder to root folder with only different casing

This commit is contained in:
Taloth Saldono 2020-09-24 11:53:20 +02:00
parent 0c7743e786
commit 94a78eabe5
2 changed files with 170 additions and 5 deletions
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114
src/NzbDrone.Common.Test/DiskTests/DiskTransferServiceFixture.cs
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@ -402,6 +402,58 @@ namespace NzbDrone.Common.Test.DiskTests
VerifyCopyFolder(source.FullName, destination.FullName);
}
[Test]
public void CopyFolder_should_detect_caseinsensitive_parents()
{
WindowsOnly();
WithRealDiskProvider();
var original = GetFilledTempFolder();
var root = new DirectoryInfo(GetTempFilePath());
var source = new DirectoryInfo(root.FullName + "A/series");
var destination = new DirectoryInfo(root.FullName + "a/series");
Subject.TransferFolder(original.FullName, source.FullName, TransferMode.Copy);
Assert.Throws<IOException>(() => Subject.TransferFolder(source.FullName, destination.FullName, TransferMode.Copy));
}
[Test]
public void CopyFolder_should_detect_caseinsensitive_folder()
{
WindowsOnly();
WithRealDiskProvider();
var original = GetFilledTempFolder();
var root = new DirectoryInfo(GetTempFilePath());
var source = new DirectoryInfo(root.FullName + "A/series");
var destination = new DirectoryInfo(root.FullName + "A/Series");
Subject.TransferFolder(original.FullName, source.FullName, TransferMode.Copy);
Assert.Throws<IOException>(() => Subject.TransferFolder(source.FullName, destination.FullName, TransferMode.Copy));
}
[Test]
public void CopyFolder_should_not_copy_casesensitive_folder()
{
MonoOnly();
WithRealDiskProvider();
var original = GetFilledTempFolder();
var root = new DirectoryInfo(GetTempFilePath());
var source = new DirectoryInfo(root.FullName + "A/series");
var destination = new DirectoryInfo(root.FullName + "A/Series");
Subject.TransferFolder(original.FullName, source.FullName, TransferMode.Copy);
// Note: Although technically possible top copy to different case, we're not allowing it
Assert.Throws<IOException>(() => Subject.TransferFolder(source.FullName, destination.FullName, TransferMode.Copy));
}
[Test]
public void CopyFolder_should_ignore_nfs_temp_file()
{
@ -451,6 +503,62 @@ namespace NzbDrone.Common.Test.DiskTests
VerifyMoveFolder(original.FullName, source.FullName, destination.FullName);
}
[Test]
public void MoveFolder_should_detect_caseinsensitive_parents()
{
WindowsOnly();
WithRealDiskProvider();
var original = GetFilledTempFolder();
var root = new DirectoryInfo(GetTempFilePath());
var source = new DirectoryInfo(root.FullName + "A/series");
var destination = new DirectoryInfo(root.FullName + "a/series");
Subject.TransferFolder(original.FullName, source.FullName, TransferMode.Copy);
Assert.Throws<IOException>(() => Subject.TransferFolder(source.FullName, destination.FullName, TransferMode.Move));
}
[Test]
public void MoveFolder_should_rename_caseinsensitive_folder()
{
WindowsOnly();
WithRealDiskProvider();
var original = GetFilledTempFolder();
var root = new DirectoryInfo(GetTempFilePath());
var source = new DirectoryInfo(root.FullName + "A/series");
var destination = new DirectoryInfo(root.FullName + "A/Series");
Subject.TransferFolder(original.FullName, source.FullName, TransferMode.Copy);
Subject.TransferFolder(source.FullName, destination.FullName, TransferMode.Move);
source.FullName.GetActualCasing().Should().Be(destination.FullName);
}
[Test]
public void MoveFolder_should_rename_casesensitive_folder()
{
MonoOnly();
WithRealDiskProvider();
var original = GetFilledTempFolder();
var root = new DirectoryInfo(GetTempFilePath());
var source = new DirectoryInfo(root.FullName + "A/series");
var destination = new DirectoryInfo(root.FullName + "A/Series");
Subject.TransferFolder(original.FullName, source.FullName, TransferMode.Copy);
Subject.TransferFolder(source.FullName, destination.FullName, TransferMode.Move);
Directory.Exists(source.FullName).Should().Be(false);
Directory.Exists(destination.FullName).Should().Be(true);
}
[Test]
public void should_throw_if_destination_is_readonly()
{
@ -747,9 +855,13 @@ namespace NzbDrone.Common.Test.DiskTests
.Setup(v => v.CreateFolder(It.IsAny<string>()))
.Callback<string>(v => Directory.CreateDirectory(v));
Mocker.GetMock<IDiskProvider>()
.Setup(v => v.MoveFolder(It.IsAny<string>(), It.IsAny<string>()))
.Callback<string, string>((v, r) => Directory.Move(v, r));
Mocker.GetMock<IDiskProvider>()
.Setup(v => v.DeleteFolder(It.IsAny<string>(), It.IsAny<bool>()))
.Callback<string, bool>((v,r) => Directory.Delete(v, r));
.Callback<string, bool>((v, r) => Directory.Delete(v, r));
Mocker.GetMock<IDiskProvider>()
.Setup(v => v.DeleteFile(It.IsAny<string>()))

61
src/NzbDrone.Common/Disk/DiskTransferService.cs
View File

@ -4,8 +4,6 @@ using System.Linq;
using System.Threading;
using NLog;
using NzbDrone.Common.EnsureThat;
using NzbDrone.Common.EnvironmentInfo;
using NzbDrone.Common.Exceptions;
using NzbDrone.Common.Extensions;
namespace NzbDrone.Common.Disk
@ -27,12 +25,54 @@ namespace NzbDrone.Common.Disk
_diskProvider = diskProvider;
_logger = logger;
}
private string ResolveRealParentPath(string path)
{
var parentPath = path.GetParentPath();
if (!_diskProvider.FolderExists(path))
{
return path;
}
parentPath = parentPath.GetActualCasing();
return parentPath + Path.DirectorySeparatorChar + Path.GetFileName(path);
}
public TransferMode TransferFolder(string sourcePath, string targetPath, TransferMode mode)
{
Ensure.That(sourcePath, () => sourcePath).IsValidPath();
Ensure.That(targetPath, () => targetPath).IsValidPath();
sourcePath = ResolveRealParentPath(sourcePath);
targetPath = ResolveRealParentPath(targetPath);
_logger.Debug("{0} Directory [{1}] > [{2}]", mode, sourcePath, targetPath);
if (sourcePath == targetPath)
{
throw new IOException(string.Format("Source and destination can't be the same {0}", sourcePath));
}
if (mode == TransferMode.Move && sourcePath.PathEquals(targetPath, StringComparison.InvariantCultureIgnoreCase) && _diskProvider.FolderExists(targetPath))
{
// Move folder out of the way to allow case-insensitive renames
var tempPath = sourcePath + ".backup~";
_logger.Trace("Rename Intermediate Directory [{0}] > [{1}]", sourcePath, tempPath);
_diskProvider.MoveFolder(sourcePath, tempPath);
if (!_diskProvider.FolderExists(targetPath))
{
_logger.Trace("Rename Intermediate Directory [{0}] > [{1}]", tempPath, targetPath);
_logger.Debug("Rename Directory [{0}] > [{1}]", sourcePath, targetPath);
_diskProvider.MoveFolder(tempPath, targetPath);
return mode;
}
// There were two separate folders, revert the intermediate rename and let the recursion deal with it
_logger.Trace("Rename Intermediate Directory [{0}] > [{1}]", tempPath, sourcePath);
_diskProvider.MoveFolder(tempPath, sourcePath);
}
if (mode == TransferMode.Move && !_diskProvider.FolderExists(targetPath))
{
var sourceMount = _diskProvider.GetMount(sourcePath);
@ -41,7 +81,7 @@ namespace NzbDrone.Common.Disk
// If we're on the same mount, do a simple folder move.
if (sourceMount != null && targetMount != null && sourceMount.RootDirectory == targetMount.RootDirectory)
{
_logger.Debug("Move Directory [{0}] > [{1}]", sourcePath, targetPath);
_logger.Debug("Rename Directory [{0}] > [{1}]", sourcePath, targetPath);
_diskProvider.MoveFolder(sourcePath, targetPath);
return mode;
}
@ -74,6 +114,13 @@ namespace NzbDrone.Common.Disk
if (mode.HasFlag(TransferMode.Move))
{
var totalSize = _diskProvider.GetFileInfos(sourcePath).Sum(v => v.Length);
if (totalSize > (100 * 1024L * 1024L))
{
throw new IOException($"Large files still exist in {sourcePath} after folder move, not deleting source folder");
}
_diskProvider.DeleteFolder(sourcePath, true);
}
@ -87,7 +134,10 @@ namespace NzbDrone.Common.Disk
Ensure.That(sourcePath, () => sourcePath).IsValidPath();
Ensure.That(targetPath, () => targetPath).IsValidPath();
_logger.Debug("Mirror [{0}] > [{1}]", sourcePath, targetPath);
sourcePath = ResolveRealParentPath(sourcePath);
targetPath = ResolveRealParentPath(targetPath);
_logger.Debug("Mirror Folder [{0}] > [{1}]", sourcePath, targetPath);
if (!_diskProvider.FolderExists(targetPath))
{
@ -187,6 +237,9 @@ namespace NzbDrone.Common.Disk
Ensure.That(sourcePath, () => sourcePath).IsValidPath();
Ensure.That(targetPath, () => targetPath).IsValidPath();
sourcePath = ResolveRealParentPath(sourcePath);
targetPath = ResolveRealParentPath(targetPath);
_logger.Debug("{0} [{1}] > [{2}]", mode, sourcePath, targetPath);
var originalSize = _diskProvider.GetFileSize(sourcePath);