diff --git a/Duplicati/Library/Common/IO/SystemIOWindows.cs b/Duplicati/Library/Common/IO/SystemIOWindows.cs index 84398407d..b48e7a8c1 100644 --- a/Duplicati/Library/Common/IO/SystemIOWindows.cs +++ b/Duplicati/Library/Common/IO/SystemIOWindows.cs @@ -19,6 +19,7 @@ using System; using System.Collections.Generic; using System.Security.AccessControl; using System.IO; +using System.Linq; using AlphaFS = Alphaleonis.Win32.Filesystem; using Duplicati.Library.Interface; @@ -34,10 +35,7 @@ namespace Duplicati.Library.Common.IO private static bool IsPathTooLong(string path) { - if (path.StartsWith(UNCPREFIX, StringComparison.Ordinal) || path.StartsWith(UNCPREFIX_SERVER, StringComparison.Ordinal) || path.Length > 260) - return true; - - return false; + return path.StartsWith(UNCPREFIX, StringComparison.Ordinal) || path.StartsWith(UNCPREFIX_SERVER, StringComparison.Ordinal) || path.Length > 260; } public static string PrefixWithUNC(string path) @@ -48,446 +46,14 @@ namespace Duplicati.Library.Common.IO if (path.StartsWith(UNCPREFIX, StringComparison.Ordinal)) return path; - if (path.StartsWith(PATHPREFIX_SERVER, StringComparison.Ordinal)) - return UNCPREFIX_SERVER + path.Remove(0, PATHPREFIX_SERVER.Length); - - return UNCPREFIX + path; + return path.StartsWith(PATHPREFIX_SERVER, StringComparison.Ordinal) + ? UNCPREFIX_SERVER + path.Remove(0, PATHPREFIX_SERVER.Length) + : UNCPREFIX + path; } public static string StripUNCPrefix(string path) { - if (path.StartsWith(UNCPREFIX, StringComparison.Ordinal)) - return path.Substring(UNCPREFIX.Length); - else - return path; - } - - #region ISystemIO implementation - public void DirectoryDelete(string path) - { - if (!IsPathTooLong(path)) - try - { - System.IO.Directory.Delete(path); - return; - } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - Alphaleonis.Win32.Filesystem.Directory.Delete(PrefixWithUNC(path)); - } - - public void DirectoryCreate(string path) - { - if (!IsPathTooLong(path)) - try - { - System.IO.Directory.CreateDirectory(path); - return; - } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - Alphaleonis.Win32.Filesystem.Directory.CreateDirectory(PrefixWithUNC(path)); - } - - public bool DirectoryExists(string path) - { - if (!IsPathTooLong(path)) - try { return System.IO.Directory.Exists(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return Alphaleonis.Win32.Filesystem.Directory.Exists(PrefixWithUNC(path)); - } - - public void FileDelete(string path) - { - if (!IsPathTooLong(path)) - try - { - System.IO.File.Delete(path); - return; - } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - Alphaleonis.Win32.Filesystem.File.Delete(PrefixWithUNC(path)); - } - - public void FileSetLastWriteTimeUtc(string path, DateTime time) - { - if (!IsPathTooLong(path)) - try - { - System.IO.File.SetLastWriteTimeUtc(path, time); - return; - } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - Alphaleonis.Win32.Filesystem.File.SetLastWriteTimeUtc(PrefixWithUNC(path), time); - } - - public void FileSetCreationTimeUtc(string path, DateTime time) - { - if (!IsPathTooLong(path)) - try - { - System.IO.File.SetCreationTimeUtc(path, time); - return; - } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - Alphaleonis.Win32.Filesystem.File.SetCreationTimeUtc(PrefixWithUNC(path), time); - } - - public DateTime FileGetLastWriteTimeUtc(string path) - { - if (!IsPathTooLong(path)) - try - { - return System.IO.File.GetLastWriteTimeUtc(path); - } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return Alphaleonis.Win32.Filesystem.File.GetLastWriteTimeUtc(PrefixWithUNC(path)); - } - - public DateTime FileGetCreationTimeUtc(string path) - { - if (!IsPathTooLong(path)) - try - { - return System.IO.File.GetCreationTimeUtc(path); - } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return Alphaleonis.Win32.Filesystem.File.GetCreationTimeUtc(PrefixWithUNC(path)); - } - - public bool FileExists(string path) - { - if (!IsPathTooLong(path)) - try { return System.IO.File.Exists(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return Alphaleonis.Win32.Filesystem.File.Exists(PrefixWithUNC(path)); - } - - public System.IO.FileStream FileOpenRead(string path) - { - if (!IsPathTooLong(path)) - try { return System.IO.File.Open(path, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.ReadWrite); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return Alphaleonis.Win32.Filesystem.File.Open(PrefixWithUNC(path), FileMode.Open, FileAccess.Read, FileShare.ReadWrite); - } - - public System.IO.FileStream FileOpenWrite(string path) - { - if (!IsPathTooLong(path)) - try { return System.IO.File.OpenWrite(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - if (FileExists(path)) - return Alphaleonis.Win32.Filesystem.File.OpenWrite(PrefixWithUNC(path)); - else - return FileCreate(path); - } - - public System.IO.FileStream FileOpenReadWrite(string path) - { - if (!IsPathTooLong(path)) - try { return System.IO.File.Open(path, System.IO.FileMode.OpenOrCreate, System.IO.FileAccess.ReadWrite, System.IO.FileShare.Read); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return Alphaleonis.Win32.Filesystem.File.Open(PrefixWithUNC(path), FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.Read); - } - - public System.IO.FileStream FileCreate(string path) - { - if (!IsPathTooLong(path)) - try { return System.IO.File.Create(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return Alphaleonis.Win32.Filesystem.File.Create(PrefixWithUNC(path)); - } - - public System.IO.FileAttributes GetFileAttributes(string path) - { - if (!IsPathTooLong(path)) - try { return System.IO.File.GetAttributes(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return (System.IO.FileAttributes)Alphaleonis.Win32.Filesystem.File.GetAttributes(PrefixWithUNC(path)); - } - - public void SetFileAttributes(string path, System.IO.FileAttributes attributes) - { - if (!IsPathTooLong(path)) - try - { - System.IO.File.SetAttributes(path, attributes); - return; - } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - Alphaleonis.Win32.Filesystem.File.SetAttributes(PrefixWithUNC(path), (FileAttributes)attributes); - } - - public void CreateSymlink(string symlinkfile, string target, bool asDir) - { - if (FileExists(symlinkfile) || DirectoryExists(symlinkfile)) - throw new System.IO.IOException(string.Format("File already exists: {0}", symlinkfile)); - Alphaleonis.Win32.Filesystem.File.CreateSymbolicLink(PrefixWithUNC(symlinkfile), target, asDir ? Alphaleonis.Win32.Filesystem.SymbolicLinkTarget.Directory : Alphaleonis.Win32.Filesystem.SymbolicLinkTarget.File, AlphaFS.PathFormat.LongFullPath); - - //Sadly we do not get a notification if the creation fails :( - System.IO.FileAttributes attr = 0; - if ((!asDir && FileExists(symlinkfile)) || (asDir && DirectoryExists(symlinkfile))) - try { attr = GetFileAttributes(symlinkfile); } - catch { } - - if ((attr & System.IO.FileAttributes.ReparsePoint) == 0) - throw new System.IO.IOException(string.Format("Unable to create symlink, check account permissions: {0}", symlinkfile)); - } - - /// - /// Returns the symlink target if the entry is a symlink, and null otherwise - /// - /// The file or folder to examine - /// The symlink target - public string GetSymlinkTarget(string file) - { - try - { - try - { - return AlphaFS.File.GetLinkTargetInfo(file).PrintName; - } - catch (PathTooLongException) { } - - return AlphaFS.File.GetLinkTargetInfo(SystemIOWindows.PrefixWithUNC(file)).PrintName; - } - catch (AlphaFS.NotAReparsePointException) { } - catch (AlphaFS.UnrecognizedReparsePointException) { } - - // This path looks like it isn't actually a symlink - // (Note that some reparse points aren't actually symlinks - - // things like the OneDrive folder in the Windows 10 Fall Creator's Update for example) - return null; - } - - private static T TryNativeFirst(Func nativeIOFunc, Func alternativeIOFunc, string path) - { - if (!IsPathTooLong(path)) - try { return nativeIOFunc(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return alternativeIOFunc(path); - } - - public IEnumerable EnumerateFileSystemEntries(string path) - { - IEnumerable alphaFS(string _path) - { - var r = Alphaleonis.Win32.Filesystem.Directory.GetFileSystemEntries(PrefixWithUNC(_path)); - for (var i = 0; i < r.Length; i++) - r[i] = StripUNCPrefix(r[i]); - - return r; - } - - return TryNativeFirst(System.IO.Directory.EnumerateFileSystemEntries, alphaFS, path); - } - - public IEnumerable EnumerateFiles(string path) - { - if (!IsPathTooLong(path)) - { - try { return System.IO.Directory.EnumerateFiles(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - } - - var r = Alphaleonis.Win32.Filesystem.Directory.GetFiles(PrefixWithUNC(path)); - for (var i = 0; i < r.Length; i++) - r[i] = StripUNCPrefix(r[i]); - - return r; - } - - - public string PathGetFileName(string path) - { - if (!IsPathTooLong(path)) - try { return System.IO.Path.GetFileName(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return StripUNCPrefix(Alphaleonis.Win32.Filesystem.Path.GetFileName(PrefixWithUNC(path))); - } - - public string PathGetDirectoryName(string path) - { - if (!IsPathTooLong(path)) - try { return System.IO.Path.GetDirectoryName(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return StripUNCPrefix(Alphaleonis.Win32.Filesystem.Path.GetDirectoryName(PrefixWithUNC(path))); - } - - public string PathGetExtension(string path) - { - if (!IsPathTooLong(path)) - try { return System.IO.Path.GetExtension(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return StripUNCPrefix(Alphaleonis.Win32.Filesystem.Path.GetExtension(PrefixWithUNC(path))); - } - - public string PathChangeExtension(string path, string extension) - { - if (!IsPathTooLong(path)) - try { return System.IO.Path.ChangeExtension(path, extension); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return StripUNCPrefix(Alphaleonis.Win32.Filesystem.Path.ChangeExtension(PrefixWithUNC(path), extension)); - } - - public string PathCombine(params string[] paths) - { - var combinedPath = ""; - for (int i = 0; i < paths.Length; i++) - { - if (i == 0) - { - combinedPath = paths[i]; - } - else - { - if (!IsPathTooLong(combinedPath + "\\" + paths[i])) - { - try - { - combinedPath = Path.Combine(combinedPath, paths[i]); - } - catch (Exception ex) when (ex is System.IO.PathTooLongException || ex is System.ArgumentException) { - //TODO: Explain why we need to keep prefixing and stripping UNC's. - combinedPath = StripUNCPrefix(Alphaleonis.Win32.Filesystem.Path.Combine(PrefixWithUNC(combinedPath), paths[i])); - } - } - } - } - - return combinedPath; - } - - public void DirectorySetLastWriteTimeUtc(string path, DateTime time) - { - if (!IsPathTooLong(path)) - try - { - System.IO.Directory.SetLastWriteTimeUtc(path, time); - return; - } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - - Alphaleonis.Win32.Filesystem.File.SetLastWriteTimeUtc(PrefixWithUNC(path), time); - } - - public void DirectorySetCreationTimeUtc(string path, DateTime time) - { - if (!IsPathTooLong(path)) - try - { - System.IO.Directory.SetCreationTimeUtc(path, time); - return; - } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - Alphaleonis.Win32.Filesystem.File.SetCreationTimeUtc(PrefixWithUNC(path), time); - } - - public DateTime DirectoryGetLastWriteTimeUtc(string path) - { - if (!IsPathTooLong(path)) - try - { - return System.IO.Directory.GetLastWriteTimeUtc(path); - } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return Alphaleonis.Win32.Filesystem.Directory.GetLastWriteTimeUtc(PrefixWithUNC(path)); - } - - public DateTime DirectoryGetCreationTimeUtc(string path) - { - if (!IsPathTooLong(path)) - try - { - return System.IO.Directory.GetCreationTimeUtc(path); - } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return Alphaleonis.Win32.Filesystem.Directory.GetCreationTimeUtc(PrefixWithUNC(path)); - } - - public void FileMove(string source, string target) - { - if (!IsPathTooLong(source) && !IsPathTooLong(target)) - try - { - System.IO.File.Move(source, target); - return; - } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - Alphaleonis.Win32.Filesystem.File.Move(PrefixWithUNC(source), PrefixWithUNC(target)); - } - - public long FileLength(string path) - { - if (!IsPathTooLong(path)) - try { return new System.IO.FileInfo(path).Length; } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return new Alphaleonis.Win32.Filesystem.FileInfo(PrefixWithUNC(path)).Length; - } - - public void DirectoryDelete(string path, bool recursive) - { - if (!IsPathTooLong(path)) - try - { - System.IO.Directory.Delete(path, recursive); - return; - } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - Alphaleonis.Win32.Filesystem.Directory.Delete(PrefixWithUNC(path), recursive); + return path.StartsWith(UNCPREFIX, StringComparison.Ordinal) ? path.Substring(UNCPREFIX.Length) : path; } private class FileSystemAccess @@ -525,11 +91,29 @@ namespace Duplicati.Library.Common.IO } } + private static Newtonsoft.Json.JsonSerializer _cachedSerializer; + + private Newtonsoft.Json.JsonSerializer Serializer + { + get + { + if (_cachedSerializer != null) + { + return _cachedSerializer; + } + + _cachedSerializer = Newtonsoft.Json.JsonSerializer.Create( + new Newtonsoft.Json.JsonSerializerSettings { Culture = System.Globalization.CultureInfo.InvariantCulture }); + + return _cachedSerializer; + } + } + private string SerializeObject(T o) { - using(var tw = new System.IO.StringWriter()) + using (var tw = new System.IO.StringWriter()) { - Newtonsoft.Json.JsonSerializer.Create(new Newtonsoft.Json.JsonSerializerSettings() { Culture = System.Globalization.CultureInfo.InvariantCulture }).Serialize(tw, o); + Serializer.Serialize(tw, o); tw.Flush(); return tw.ToString(); } @@ -537,57 +121,349 @@ namespace Duplicati.Library.Common.IO private T DeserializeObject(string data) { - using(var tr = new System.IO.StringReader(data)) - return (T)Newtonsoft.Json.JsonSerializer.Create(new Newtonsoft.Json.JsonSerializerSettings() { Culture = System.Globalization.CultureInfo.InvariantCulture }).Deserialize(tr, typeof(T)); - + using (var tr = new System.IO.StringReader(data)) + { + return (T)Serializer.Deserialize(tr, typeof(T)); + } } private System.Security.AccessControl.FileSystemSecurity GetAccessControlDir(string path) { - if (!IsPathTooLong(path)) - try { return System.IO.Directory.GetAccessControl(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return Alphaleonis.Win32.Filesystem.Directory.GetAccessControl(PrefixWithUNC(path)); + return PathTooLongFuncWrapper(System.IO.Directory.GetAccessControl, + Alphaleonis.Win32.Filesystem.Directory.GetAccessControl, path, true); } private System.Security.AccessControl.FileSystemSecurity GetAccessControlFile(string path) { - if (!IsPathTooLong(path)) - try { return System.IO.File.GetAccessControl(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - return Alphaleonis.Win32.Filesystem.File.GetAccessControl(PrefixWithUNC(path)); + return PathTooLongFuncWrapper(System.IO.File.GetAccessControl, + Alphaleonis.Win32.Filesystem.File.GetAccessControl, path, true); } private void SetAccessControlFile(string path, FileSecurity rules) { - if (!IsPathTooLong(path)) - try - { - System.IO.File.SetAccessControl(path, rules); - return; - } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - - Alphaleonis.Win32.Filesystem.File.SetAccessControl(PrefixWithUNC(path), rules, AccessControlSections.All); + PathTooLongActionWrapper(p => System.IO.File.SetAccessControl(p, rules), + p => Alphaleonis.Win32.Filesystem.File.SetAccessControl(p, rules, AccessControlSections.All), + path, true); } private void SetAccessControlDir(string path, DirectorySecurity rules) + { + PathTooLongActionWrapper(p => System.IO.Directory.SetAccessControl(p, rules), + p => Alphaleonis.Win32.Filesystem.Directory.SetAccessControl(p, rules, AccessControlSections.All), + path, true); + } + + private static void PathTooLongVoidFuncWrapper(Func nativeIOFunc, + Func alternativeIOFunc, + string path, bool prefixWithUnc = false) + { + // Wrap void into bool return type to avoid code duplication. Code at anytime available for replacement. + PathTooLongFuncWrapper(p => { nativeIOFunc(p); return true; }, p => { alternativeIOFunc(p); return true; } , path, prefixWithUnc); + } + + private static void PathTooLongActionWrapper(Action nativeIOFunc, + Action alternativeIOFunc, + string path, bool prefixWithUnc = false) + { + // Wrap void into bool return type to avoid code duplication. Code at anytime available for replacement. + PathTooLongFuncWrapper(p => { nativeIOFunc(p); return true; }, p => { alternativeIOFunc(p); return true; }, path, prefixWithUnc); + } + + private static T PathTooLongFuncWrapper(Func nativeIOFunc, + Func alternativeIOFunc, + string path, bool prefixWithUnc = false) { if (!IsPathTooLong(path)) - try - { - System.IO.Directory.SetAccessControl(path, rules); - return; - } + try { return nativeIOFunc(path); } catch (System.IO.PathTooLongException) { } catch (System.ArgumentException) { } - Alphaleonis.Win32.Filesystem.Directory.SetAccessControl(PrefixWithUNC(path), rules, AccessControlSections.All); + return !prefixWithUnc ? alternativeIOFunc(path) : alternativeIOFunc(PrefixWithUNC(path)); + } + + #region ISystemIO implementation + public void DirectoryDelete(string path) + { + PathTooLongActionWrapper(System.IO.Directory.Delete, + Alphaleonis.Win32.Filesystem.Directory.Delete, path, true); + } + + public void DirectoryCreate(string path) + { + PathTooLongVoidFuncWrapper(System.IO.Directory.CreateDirectory, + Alphaleonis.Win32.Filesystem.Directory.CreateDirectory, path, true); + } + + public bool DirectoryExists(string path) + { + return PathTooLongFuncWrapper(System.IO.Directory.Exists, + Alphaleonis.Win32.Filesystem.Directory.Exists, path, true); + } + + public void FileDelete(string path) + { + PathTooLongActionWrapper(System.IO.File.Delete, + Alphaleonis.Win32.Filesystem.File.Delete, path, true); + } + + public void FileSetLastWriteTimeUtc(string path, DateTime time) + { + PathTooLongActionWrapper(p => System.IO.File.SetLastWriteTimeUtc(p, time), + p => Alphaleonis.Win32.Filesystem.File.SetLastWriteTimeUtc(p, time), path, true); + } + + public void FileSetCreationTimeUtc(string path, DateTime time) + { + PathTooLongActionWrapper(p => System.IO.File.SetCreationTimeUtc(p, time), + p => Alphaleonis.Win32.Filesystem.File.SetCreationTimeUtc(p, time), path, true); + } + + public DateTime FileGetLastWriteTimeUtc(string path) + { + return PathTooLongFuncWrapper(System.IO.File.GetLastWriteTimeUtc, + Alphaleonis.Win32.Filesystem.File.GetLastWriteTimeUtc, path, true); + } + + public DateTime FileGetCreationTimeUtc(string path) + { + return PathTooLongFuncWrapper(System.IO.File.GetCreationTimeUtc, + Alphaleonis.Win32.Filesystem.File.GetCreationTimeUtc, path, true); + } + + public bool FileExists(string path) + { + return PathTooLongFuncWrapper(System.IO.File.Exists, + Alphaleonis.Win32.Filesystem.File.Exists, path, true); + } + + public System.IO.FileStream FileOpenRead(string path) + { + return PathTooLongFuncWrapper(p => System.IO.File.Open(p, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.ReadWrite), + p => Alphaleonis.Win32.Filesystem.File.Open(p, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.ReadWrite), + path, true); + } + + public System.IO.FileStream FileOpenWrite(string path) + { + return !FileExists(path) + ? FileCreate(path) + : PathTooLongFuncWrapper(System.IO.File.OpenWrite, Alphaleonis.Win32.Filesystem.File.OpenWrite, path, true); + } + + public System.IO.FileStream FileOpenReadWrite(string path) + { + return PathTooLongFuncWrapper(p => System.IO.File.Open(p, System.IO.FileMode.OpenOrCreate, System.IO.FileAccess.ReadWrite, System.IO.FileShare.Read), + p => Alphaleonis.Win32.Filesystem.File.Open(p, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.Read), path, true); + } + + public System.IO.FileStream FileCreate(string path) + { + return PathTooLongFuncWrapper(System.IO.File.Create, Alphaleonis.Win32.Filesystem.File.Create, path, true); + } + + public System.IO.FileAttributes GetFileAttributes(string path) + { + return PathTooLongFuncWrapper(System.IO.File.GetAttributes, + (Func)Alphaleonis.Win32.Filesystem.File.GetAttributes, path, true); + } + + public void SetFileAttributes(string path, System.IO.FileAttributes attributes) + { + PathTooLongActionWrapper(p => System.IO.File.SetAttributes(p, attributes), + p => Alphaleonis.Win32.Filesystem.File.SetAttributes(p, attributes), path, true); + } + + /// + /// Returns the symlink target if the entry is a symlink, and null otherwise + /// + /// The file or folder to examine + /// The symlink target + public string GetSymlinkTarget(string file) + { + try + { + return PathTooLongFuncWrapper(AlphaFS.File.GetLinkTargetInfo, AlphaFS.File.GetLinkTargetInfo, file, true).PrintName; + } + catch (AlphaFS.NotAReparsePointException) { } + catch (AlphaFS.UnrecognizedReparsePointException) { } + + // This path looks like it isn't actually a symlink + // (Note that some reparse points aren't actually symlinks - + // things like the OneDrive folder in the Windows 10 Fall Creator's Update for example) + return null; + } + + public IEnumerable EnumerateFileSystemEntries(string path) + { + return PathTooLongFuncWrapper(System.IO.Directory.EnumerateFileSystemEntries, + Alphaleonis.Win32.Filesystem.Directory.GetFileSystemEntries, + path, true).Select(StripUNCPrefix).AsEnumerable(); + } + + public IEnumerable EnumerateFiles(string path) + { + return PathTooLongFuncWrapper(System.IO.Directory.EnumerateFiles, + Alphaleonis.Win32.Filesystem.Directory.GetFiles, path, + true).Select(StripUNCPrefix).AsEnumerable(); + } + + public string PathGetFileName(string path) + { + return StripUNCPrefix(PathTooLongFuncWrapper(System.IO.Path.GetFileName, + Alphaleonis.Win32.Filesystem.Path.GetFileName, + path, true)); + } + + public string PathGetDirectoryName(string path) + { + return StripUNCPrefix(PathTooLongFuncWrapper(System.IO.Path.GetDirectoryName, + Alphaleonis.Win32.Filesystem.Path.GetDirectoryName, + path, true)); + } + + public string PathGetExtension(string path) + { + return StripUNCPrefix(PathTooLongFuncWrapper(System.IO.Path.GetExtension, + Alphaleonis.Win32.Filesystem.Path.GetExtension, + path, true)); + } + + public string PathChangeExtension(string path, string extension) + { + return StripUNCPrefix(PathTooLongFuncWrapper(p => System.IO.Path.ChangeExtension(p, extension), + p => Alphaleonis.Win32.Filesystem.Path.ChangeExtension(p, extension), + path, true)); + } + + public void DirectorySetLastWriteTimeUtc(string path, DateTime time) + { + PathTooLongActionWrapper(p => System.IO.Directory.SetLastWriteTimeUtc(p, time), + p => Alphaleonis.Win32.Filesystem.File.SetLastWriteTimeUtc(p, time), path, true); + } + + public void DirectorySetCreationTimeUtc(string path, DateTime time) + { + PathTooLongActionWrapper(p => System.IO.Directory.SetCreationTimeUtc(p, time), + p => Alphaleonis.Win32.Filesystem.File.SetCreationTimeUtc(p, time), path, true); + } + + public DateTime DirectoryGetLastWriteTimeUtc(string path) + { + return PathTooLongFuncWrapper(System.IO.Directory.GetLastWriteTimeUtc, + Alphaleonis.Win32.Filesystem.Directory.GetLastWriteTimeUtc, path, true); + } + + public DateTime DirectoryGetCreationTimeUtc(string path) + { + return PathTooLongFuncWrapper(System.IO.Directory.GetCreationTimeUtc, + Alphaleonis.Win32.Filesystem.Directory.GetCreationTimeUtc, path, true); + } + + public void FileMove(string source, string target) + { + // We do not check if path is too long on target. If so, then we catch an exception. + PathTooLongActionWrapper(p => System.IO.File.Move(p, target), + p => Alphaleonis.Win32.Filesystem.File.Move(p, PrefixWithUNC(target)), + source, true); + } + + public long FileLength(string path) + { + return PathTooLongFuncWrapper(p => new System.IO.FileInfo(p).Length, + p => new Alphaleonis.Win32.Filesystem.FileInfo(p).Length, + path, true); + } + + public void DirectoryDelete(string path, bool recursive) + { + PathTooLongActionWrapper(p => System.IO.Directory.Delete(p, recursive), + p => Alphaleonis.Win32.Filesystem.Directory.Delete(p, recursive), + path, true); + } + + public string GetPathRoot(string path) + { + return PathTooLongFuncWrapper(Path.GetPathRoot, AlphaFS.Path.GetPathRoot, path, false); + } + + public string[] GetDirectories(string path) + { + return PathTooLongFuncWrapper(Directory.GetDirectories, AlphaFS.Directory.GetDirectories, path, false); + } + + public string[] GetFiles(string path) + { + return PathTooLongFuncWrapper(Directory.GetFiles, AlphaFS.Directory.GetFiles, path, false); + } + + public string[] GetFiles(string path, string searchPattern) + { + return PathTooLongFuncWrapper(p => Directory.GetFiles(p, searchPattern), p => AlphaFS.Directory.GetFiles(p, searchPattern), path, false); + } + + public DateTime GetCreationTimeUtc(string path) + { + return PathTooLongFuncWrapper(Directory.GetCreationTimeUtc, AlphaFS.File.GetCreationTimeUtc, path, false); + } + + public DateTime GetLastWriteTimeUtc(string path) + { + return PathTooLongFuncWrapper(Directory.GetLastWriteTimeUtc, AlphaFS.File.GetLastWriteTimeUtc, path, false); + } + + public IEnumerable EnumerateDirectories(string path) + { + return PathTooLongFuncWrapper(Directory.EnumerateDirectories, AlphaFS.Directory.EnumerateDirectories, path, false); + } + + public void FileCopy(string source, string target, bool overwrite) + { + // We do not check if path is too long on target. If so, then we catch an exception. + PathTooLongActionWrapper(p => File.Copy(p, target, overwrite), p => AlphaFS.File.Copy(p, target, overwrite), source, false); + } + + public string PathGetFullPath(string path) + { + return PathTooLongFuncWrapper(System.IO.Path.GetFullPath, AlphaFS.Path.GetFullPath, path, false); + } + + public IFileEntry DirectoryEntry(string path) + { + IFileEntry DirectoryEntryNative(string p) { + var dInfo = new DirectoryInfo(p); + return new FileEntry(dInfo.Name, 0, dInfo.LastAccessTime, dInfo.LastWriteTime) + { + IsFolder = true + }; + } + + IFileEntry DirectoryEntryAlphaFS(string p) + { + var dInfoAlphaFS = new AlphaFS.DirectoryInfo(p); + return new FileEntry(dInfoAlphaFS.Name, 0, dInfoAlphaFS.LastAccessTime, dInfoAlphaFS.LastWriteTime) + { + IsFolder = true + }; + } + + return PathTooLongFuncWrapper(DirectoryEntryNative, DirectoryEntryAlphaFS, path, false); + } + + public IFileEntry FileEntry(string path) + { + IFileEntry FileEntryNative(string p) + { + var fileInfo = new FileInfo(p); + return new FileEntry(fileInfo.Name, fileInfo.Length, fileInfo.LastAccessTime, fileInfo.LastWriteTime); + } + + IFileEntry FileEntryAlphaFS(string p) + { + var fInfoAlphaFS = new AlphaFS.FileInfo(p); + return new FileEntry(fInfoAlphaFS.Name, fInfoAlphaFS.Length, fInfoAlphaFS.LastAccessTime, fInfoAlphaFS.LastWriteTime); + } + + return PathTooLongFuncWrapper(FileEntryNative, FileEntryAlphaFS, path, false); } public Dictionary GetMetadata(string path, bool isSymlink, bool followSymlink) @@ -596,15 +472,9 @@ namespace Duplicati.Library.Common.IO var targetpath = isDirTarget ? path.Substring(0, path.Length - 1) : path; var dict = new Dictionary(); - System.Security.AccessControl.FileSystemSecurity rules; - - if (isDirTarget) - rules = GetAccessControlDir(targetpath); - else - rules = GetAccessControlFile(targetpath); - + FileSystemSecurity rules = isDirTarget ? GetAccessControlDir(targetpath) : GetAccessControlFile(targetpath); var objs = new List(); - foreach(var f in rules.GetAccessRules(true, false, typeof(System.Security.Principal.SecurityIdentifier))) + foreach (var f in rules.GetAccessRules(true, false, typeof(System.Security.Principal.SecurityIdentifier))) objs.Add(new FileSystemAccess((FileSystemAccessRule)f)); dict["win-ext:accessrules"] = SerializeObject(objs); @@ -617,18 +487,12 @@ namespace Duplicati.Library.Common.IO var isDirTarget = path.EndsWith(DIRSEP, StringComparison.Ordinal); var targetpath = isDirTarget ? path.Substring(0, path.Length - 1) : path; - System.Security.AccessControl.FileSystemSecurity rules; - - if (isDirTarget) - rules = GetAccessControlDir(targetpath); - else - rules = GetAccessControlFile(targetpath); - + FileSystemSecurity rules = isDirTarget ? GetAccessControlDir(targetpath) : GetAccessControlFile(targetpath); if (restorePermissions && data.ContainsKey("win-ext:accessrules")) { var content = DeserializeObject(data["win-ext:accessrules"]); var c = rules.GetAccessRules(true, false, typeof(System.Security.Principal.SecurityIdentifier)); - for(var i = c.Count - 1; i >= 0; i--) + for (var i = c.Count - 1; i >= 0; i--) rules.RemoveAccessRule((System.Security.AccessControl.FileSystemAccessRule)c[i]); Exception ex = null; @@ -640,7 +504,7 @@ namespace Duplicati.Library.Common.IO { rules.AddAccessRule((System.Security.AccessControl.FileSystemAccessRule)r.Create(rules)); } - catch(Exception e) + catch (Exception e) { ex = e; } @@ -654,155 +518,56 @@ namespace Duplicati.Library.Common.IO else SetAccessControlFile(targetpath, (FileSecurity)rules); } - } - - public string GetPathRoot(string path) - { - if (!IsPathTooLong(path)) - { - try { return Path.GetPathRoot(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - } - return AlphaFS.Path.GetPathRoot(path); } - public string[] GetDirectories(string path) + public string PathCombine(params string[] paths) { - if (!IsPathTooLong(path)) + var combinedPath = ""; + for (int i = 0; i < paths.Length; i++) { - try { return Directory.GetDirectories(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - } - - return AlphaFS.Directory.GetDirectories(path); - } - - public string[] GetFiles(string path) - { - if (!IsPathTooLong(path)) - { - try { return Directory.GetFiles(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - } - - return AlphaFS.Directory.GetFiles(path); - } - - public string[] GetFiles(string path, string searchPattern) - { - if (!IsPathTooLong(path)) - { - try { return Directory.GetFiles(path, searchPattern); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - } - - return AlphaFS.Directory.GetFiles(path, searchPattern); - } - - public DateTime GetCreationTimeUtc(string path) - { - if (!IsPathTooLong(path)) - { - try { return Directory.GetCreationTimeUtc(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - } - - return AlphaFS.File.GetCreationTimeUtc(path); - } - - public DateTime GetLastWriteTimeUtc(string path) - { - if (!IsPathTooLong(path)) - { - try { return Directory.GetLastWriteTimeUtc(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - } - - return AlphaFS.File.GetLastWriteTimeUtc(path); - } - - public IEnumerable EnumerateDirectories(string path) - { - if (!IsPathTooLong(path)) - { - try { return Directory.EnumerateDirectories(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - } - - return AlphaFS.Directory.EnumerateDirectories(path); - } - - public void FileCopy(string source, string target, bool overwrite) - { - if (!IsPathTooLong(source) && !IsPathTooLong(target)) - { - try { File.Copy(source, target, overwrite); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - } - - AlphaFS.File.Copy(source, target, overwrite); - } - - public string PathGetFullPath(string path) - { - if (!IsPathTooLong(path)) - { - try { return System.IO.Path.GetFullPath(path); } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - } - - return AlphaFS.Path.GetFullPath(path); - } - - public IFileEntry DirectoryEntry(string path) - { - if (!IsPathTooLong(path)) - { - try + if (i == 0) { - var dInfo = new DirectoryInfo(path); - return new FileEntry(dInfo.Name, 0, dInfo.LastAccessTime, dInfo.LastWriteTime) + combinedPath = paths[i]; + } + else + { + if (!IsPathTooLong(combinedPath + "\\" + paths[i])) { - IsFolder = true - }; + try + { + combinedPath = Path.Combine(combinedPath, paths[i]); + } + catch (Exception ex) when (ex is System.IO.PathTooLongException || ex is System.ArgumentException) + { + //TODO: Explain why we need to keep prefixing and stripping UNC's. + combinedPath = StripUNCPrefix(Alphaleonis.Win32.Filesystem.Path.Combine(PrefixWithUNC(combinedPath), paths[i])); + } + } } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } - } - - var dInfoAlphaFS = new AlphaFS.DirectoryInfo(path); - return new FileEntry(dInfoAlphaFS.Name, 0, dInfoAlphaFS.LastAccessTime, dInfoAlphaFS.LastWriteTime) - { - IsFolder = true - }; - } - - public IFileEntry FileEntry(string path) - { - if (!IsPathTooLong(path)) - { - try - { - var fileInfo = new FileInfo(path); - return new FileEntry(fileInfo.Name, fileInfo.Length, fileInfo.LastAccessTime, fileInfo.LastWriteTime); - } - catch (System.IO.PathTooLongException) { } - catch (System.ArgumentException) { } } - var fInfoAlphaFS = new AlphaFS.FileInfo(path); - return new FileEntry(fInfoAlphaFS.Name, fInfoAlphaFS.Length, fInfoAlphaFS.LastAccessTime, fInfoAlphaFS.LastWriteTime); - } - + return combinedPath; + } + + public void CreateSymlink(string symlinkfile, string target, bool asDir) + { + if (FileExists(symlinkfile) || DirectoryExists(symlinkfile)) + throw new System.IO.IOException(string.Format("File already exists: {0}", symlinkfile)); + + Alphaleonis.Win32.Filesystem.File.CreateSymbolicLink(PrefixWithUNC(symlinkfile), + target, + asDir ? Alphaleonis.Win32.Filesystem.SymbolicLinkTarget.Directory : Alphaleonis.Win32.Filesystem.SymbolicLinkTarget.File, + AlphaFS.PathFormat.LongFullPath); + + //Sadly we do not get a notification if the creation fails :( + System.IO.FileAttributes attr = 0; + if ((!asDir && FileExists(symlinkfile)) || (asDir && DirectoryExists(symlinkfile))) + try { attr = GetFileAttributes(symlinkfile); } + catch { } + + if ((attr & System.IO.FileAttributes.ReparsePoint) == 0) + throw new System.IO.IOException(string.Format("Unable to create symlink, check account permissions: {0}", symlinkfile)); + } #endregion } }