public async override void GetSpecialProperties()
{
ViewModel.IsReadOnly = NativeFileOperationsHelper.HasFileAttribute(Library.ItemPath, System.IO.FileAttributes.ReadOnly);
ViewModel.IsHidden = NativeFileOperationsHelper.HasFileAttribute(Library.ItemPath, System.IO.FileAttributes.Hidden);
var fileIconData = await FileThumbnailHelper.LoadIconWithoutOverlayAsync(Library.ItemPath, 80);
if (fileIconData != null)
{
ViewModel.IconData = fileIconData;
ViewModel.LoadCustomIcon = false;
ViewModel.LoadFileIcon = true;
}
BaseStorageFile libraryFile = await AppInstance.FilesystemViewModel.GetFileFromPathAsync(Library.ItemPath);
if (libraryFile != null)
{
ApplicationDataContainer localSettings = ApplicationData.Current.LocalSettings;
string returnformat = Enum.Parse <TimeStyle>(localSettings.Values[Constants.LocalSettings.DateTimeFormat].ToString()) == TimeStyle.Application ? "D" : "g";
ViewModel.ItemCreatedTimestamp = libraryFile.DateCreated.GetFriendlyDateFromFormat(returnformat);
if (libraryFile.Properties != null)
{
GetOtherProperties(libraryFile.Properties);
}
}
var storageFolders = new List <BaseStorageFolder>();
if (Library.Folders != null)
{
try
{
foreach (var path in Library.Folders)
{
BaseStorageFolder folder = await AppInstance.FilesystemViewModel.GetFolderFromPathAsync(path);
if (!string.IsNullOrEmpty(folder.Path))
{
storageFolders.Add(folder);
}
}
}
catch (Exception ex)
{
App.Logger.Warn(ex, ex.Message);
}
}
if (storageFolders.Count > 0)
{
ViewModel.ContainsFilesOrFolders = true;
ViewModel.LocationsCount = storageFolders.Count;
GetLibrarySize(storageFolders, TokenSource.Token);
}
else
{
ViewModel.FilesAndFoldersCountString = "LibraryNoLocations/Text".GetLocalized();
}
}
public override IAsyncOperation <IInputStream> OpenSequentialReadAsync()
{
return(AsyncInfo.Run <IInputStream>(async(cancellationToken) =>
{
var hFile = NativeFileOperationsHelper.OpenFileForRead(ContainerPath);
if (hFile.IsInvalid)
{
return null;
}
if (Path == ContainerPath)
{
return new FileStream(hFile, FileAccess.Read).AsInputStream();
}
ZipFile zipFile = new ZipFile(new FileStream(hFile, FileAccess.Read));
zipFile.IsStreamOwner = true;
var znt = new ZipNameTransform(ContainerPath);
var entry = zipFile.GetEntry(znt.TransformFile(Path));
if (entry != null)
{
return new InputStreamWithDisposeCallback(zipFile.GetInputStream(entry))
{
DisposeCallback = () => zipFile.Close()
};
}
return null;
}));
}
public override IAsyncOperation <IStorageItem> GetItemAsync(string name)
{
return(AsyncInfo.Run <IStorageItem>(async(cancellationToken) =>
{
var hFile = NativeFileOperationsHelper.OpenFileForRead(ContainerPath);
if (hFile.IsInvalid)
{
return null;
}
using (ZipFile zipFile = new ZipFile(new FileStream(hFile, FileAccess.Read)))
{
zipFile.IsStreamOwner = true;
ZipEncoding ??= DetectFileEncoding(zipFile);
var entry = zipFile.GetEntry(name);
if (entry != null)
{
var wnt = new WindowsNameTransform(ContainerPath);
if (entry.IsDirectory)
{
return new ZipStorageFolder(wnt.TransformDirectory(DecodeEntryName(entry, ZipEncoding)), ContainerPath, entry)
{
ZipEncoding = ZipEncoding
};
}
else
{
return new ZipStorageFile(wnt.TransformFile(DecodeEntryName(entry, ZipEncoding)), ContainerPath, entry);
}
}
return null;
}
}));
}
public override async void GetSpecialProperties()
{
ViewModel.IsReadOnly = NativeFileOperationsHelper.HasFileAttribute(
Item.ItemPath, System.IO.FileAttributes.ReadOnly);
ViewModel.IsHidden = NativeFileOperationsHelper.HasFileAttribute(
Item.ItemPath, System.IO.FileAttributes.Hidden);
ViewModel.ItemSizeVisibility = Visibility.Visible;
ViewModel.ItemSize = $"{ByteSize.FromBytes(Item.FileSizeBytes).ToBinaryString().ConvertSizeAbbreviation()} ({ByteSize.FromBytes(Item.FileSizeBytes).Bytes:#,##0} {"ItemSizeBytes".GetLocalized()})";
var fileIconInfo = await AppInstance.FilesystemViewModel.LoadIconOverlayAsync(Item.ItemPath, 80);
if (fileIconInfo.IconData != null)
{
ViewModel.FileIconSource = await fileIconInfo.IconData.ToBitmapAsync();
}
if (Item.IsShortcutItem)
{
ViewModel.ItemCreatedTimestamp = Item.ItemDateCreated;
ViewModel.ItemAccessedTimestamp = Item.ItemDateAccessed;
ViewModel.LoadLinkIcon = Item.LoadWebShortcutGlyph;
if (Item.IsLinkItem || string.IsNullOrWhiteSpace(((ShortcutItem)Item).TargetPath))
{
// Can't show any other property
return;
}
}
StorageFile file = await AppInstance.FilesystemViewModel.GetFileFromPathAsync((Item as ShortcutItem)?.TargetPath ?? Item.ItemPath);
if (file == null)
{
// Could not access file, can't show any other property
return;
}
if (Item.IsShortcutItem)
{
// Can't show any other property
return;
}
GetOtherProperties(file.Properties);
// Get file MD5 hash
var hashAlgTypeName = HashAlgorithmNames.Md5;
ViewModel.ItemMD5HashProgressVisibility = Visibility.Visible;
ViewModel.ItemMD5HashVisibility = Visibility.Visible;
try
{
ViewModel.ItemMD5Hash = await GetHashForFileAsync(Item, hashAlgTypeName, TokenSource.Token, ProgressBar, AppInstance);
}
catch (Exception ex)
{
NLog.LogManager.GetCurrentClassLogger().Warn(ex, ex.Message);
ViewModel.ItemMD5HashCalcError = true;
}
}
private void ViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
switch (e.PropertyName)
{
case "IsReadOnly":
if (ViewModel.IsReadOnly)
{
List.ForEach(x => NativeFileOperationsHelper.SetFileAttribute(
x.ItemPath, System.IO.FileAttributes.ReadOnly));
}
else
{
List.ForEach(x => NativeFileOperationsHelper.UnsetFileAttribute(
x.ItemPath, System.IO.FileAttributes.ReadOnly));
}
break;
case "IsHidden":
if (ViewModel.IsHidden)
{
List.ForEach(x => NativeFileOperationsHelper.SetFileAttribute(
x.ItemPath, System.IO.FileAttributes.Hidden));
}
else
{
List.ForEach(x => NativeFileOperationsHelper.UnsetFileAttribute(
x.ItemPath, System.IO.FileAttributes.Hidden));
}
break;
}
}
public override IAsyncOperation <IRandomAccessStreamWithContentType> OpenReadAsync()
{
return(AsyncInfo.Run <IRandomAccessStreamWithContentType>(async(cancellationToken) =>
{
var hFile = NativeFileOperationsHelper.OpenFileForRead(ContainerPath);
if (hFile.IsInvalid)
{
return null;
}
if (Path == ContainerPath)
{
return new StreamWithContentType(new FileStream(hFile, FileAccess.Read).AsRandomAccessStream());
}
ZipFile zipFile = new ZipFile(new FileStream(hFile, FileAccess.Read));
zipFile.IsStreamOwner = true;
var znt = new ZipNameTransform(ContainerPath);
var entry = zipFile.GetEntry(znt.TransformFile(Path));
if (entry != null)
{
var nsStream = new NonSeekableRandomAccessStream(zipFile.GetInputStream(entry), (ulong)entry.Size)
{
DisposeCallback = () => zipFile.Close()
};
return new StreamWithContentType(nsStream);
}
return null;
}));
}
public override IAsyncOperation <BaseStorageFile> CopyAsync(IStorageFolder destinationFolder, string desiredNewName, NameCollisionOption option)
{
return(AsyncInfo.Run <BaseStorageFile>(async(cancellationToken) =>
{
var hFile = NativeFileOperationsHelper.OpenFileForRead(ContainerPath);
if (hFile.IsInvalid)
{
return null;
}
using (ZipFile zipFile = new ZipFile(new FileStream(hFile, FileAccess.Read)))
{
zipFile.IsStreamOwner = true;
var znt = new ZipNameTransform(ContainerPath);
var entry = zipFile.GetEntry(znt.TransformFile(Path));
if (entry != null)
{
var destFolder = destinationFolder.AsBaseStorageFolder();
var destFile = await destFolder.CreateFileAsync(desiredNewName, option.Convert());
using (var inStream = zipFile.GetInputStream(entry))
using (var outStream = await destFile.OpenStreamForWriteAsync())
{
await inStream.CopyToAsync(outStream);
await outStream.FlushAsync();
}
return destFile;
}
return null;
}
}));
}
public override IAsyncAction CopyAndReplaceAsync(IStorageFile fileToReplace)
{
return(AsyncInfo.Run(async(cancellationToken) =>
{
var hFile = NativeFileOperationsHelper.OpenFileForRead(ContainerPath);
if (hFile.IsInvalid)
{
return;
}
using (ZipFile zipFile = new ZipFile(new FileStream(hFile, FileAccess.Read)))
{
zipFile.IsStreamOwner = true;
var znt = new ZipNameTransform(ContainerPath);
var entry = zipFile.GetEntry(znt.TransformFile(Path));
if (entry != null)
{
using var hDestFile = fileToReplace.CreateSafeFileHandle(FileAccess.ReadWrite);
using (var inStream = zipFile.GetInputStream(entry))
using (var outStream = new FileStream(hDestFile, FileAccess.Write))
{
await inStream.CopyToAsync(outStream);
await outStream.FlushAsync();
}
}
}
}));
}
public override IAsyncOperation <BaseStorageFile> CopyAsync(IStorageFolder destinationFolder, string desiredNewName, NameCollisionOption option)
{
return(AsyncInfo.Run <BaseStorageFile>(async(cancellationToken) =>
{
if (string.IsNullOrEmpty(destinationFolder.Path))
{
throw new NotSupportedException();
}
var destination = IO.Path.Combine(destinationFolder.Path, desiredNewName);
var destFile = new NativeStorageFile(destination, desiredNewName, DateTime.Now);
if (!IsAlternateStream)
{
if (!await Task.Run(() => NativeFileOperationsHelper.CopyFileFromApp(Path, destination, option != NameCollisionOption.ReplaceExisting)))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
else
{
destFile.CreateFile();
using (var inStream = await this.OpenStreamForReadAsync())
using (var outStream = await destFile.OpenStreamForWriteAsync())
{
await inStream.CopyToAsync(outStream);
await outStream.FlushAsync();
}
}
return destFile;
}));
}
private static IEnumerable <ListedItem> EnumAdsForPath(string itemPath, ListedItem main)
{
foreach (var ads in NativeFileOperationsHelper.GetAlternateStreams(itemPath))
{
yield return(GetAlternateStream(ads, main));
}
}
public override IAsyncAction RenameAsync(string desiredName, NameCollisionOption option)
{
return(AsyncInfo.Run(async(cancellationToken) =>
{
string destination = IO.Path.Combine(IO.Path.GetDirectoryName(Path), desiredName);
var destFile = new NativeStorageFile(destination, desiredName, DateTime.Now);
if (!IsAlternateStream)
{
if (!await Task.Run(() => NativeFileOperationsHelper.MoveFileFromApp(Path, destination)))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
else
{
destFile.CreateFile();
using (var inStream = await this.OpenStreamForReadAsync())
using (var outStream = await destFile.OpenStreamForWriteAsync())
{
await inStream.CopyToAsync(outStream);
await outStream.FlushAsync();
}
await DeleteAsync();
}
}));
}
private Func <IRandomAccessStream, IAsyncOperation <bool> > WriteZipEntry(ZipFile zipFile)
{
return((stream) => AsyncInfo.Run((cancellationToken) => Task.Run(() =>
{
var hFile = NativeFileOperationsHelper.OpenFileForRead(ContainerPath, true);
if (hFile.IsInvalid)
{
return true;
}
try
{
var znt = new ZipNameTransform(ContainerPath);
var zipDesiredName = znt.TransformFile(Path);
var entry = zipFile.GetEntry(zipDesiredName);
zipFile.BeginUpdate(new MemoryArchiveStorage(FileUpdateMode.Direct));
if (entry != null)
{
zipFile.Delete(entry);
}
zipFile.Add(new StreamDataSource(stream), zipDesiredName);
zipFile.CommitUpdate();
}
catch (Exception ex)
{
App.Logger.Warn(ex, "Error writing zip file");
}
return true;
})));
}
public override IAsyncOperation <IInputStream> OpenSequentialReadAsync()
{
return(AsyncInfo.Run(async(cancellationToken) =>
{
var hFile = NativeFileOperationsHelper.OpenFileForRead(Path);
return new FileStream(hFile, FileAccess.Read).AsInputStream();
}));
}
public override IAsyncOperation <IRandomAccessStream> OpenAsync(FileAccessMode accessMode)
{
return(AsyncInfo.Run <IRandomAccessStream>(async(cancellationToken) =>
{
var hFile = NativeFileOperationsHelper.OpenFileForRead(Path, accessMode == FileAccessMode.ReadWrite);
return new FileStream(hFile, accessMode == FileAccessMode.ReadWrite ? FileAccess.ReadWrite : FileAccess.Read).AsRandomAccessStream();
}));
}
private void CreateFile()
{
using var hFile = NativeFileOperationsHelper.CreateFileForWrite(Path, false);
if (hFile.IsInvalid)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
private async void ViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
switch (e.PropertyName)
{
case "IsReadOnly":
if (ViewModel.IsReadOnly)
{
NativeFileOperationsHelper.SetFileAttribute(
Item.ItemPath, System.IO.FileAttributes.ReadOnly);
}
else
{
NativeFileOperationsHelper.UnsetFileAttribute(
Item.ItemPath, System.IO.FileAttributes.ReadOnly);
}
break;
case "IsHidden":
if (ViewModel.IsHidden)
{
NativeFileOperationsHelper.SetFileAttribute(
Item.ItemPath, System.IO.FileAttributes.Hidden);
}
else
{
NativeFileOperationsHelper.UnsetFileAttribute(
Item.ItemPath, System.IO.FileAttributes.Hidden);
}
break;
case "ShortcutItemPath":
case "ShortcutItemWorkingDir":
case "ShortcutItemArguments":
var tmpItem = (ShortcutItem)Item;
if (string.IsNullOrWhiteSpace(ViewModel.ShortcutItemPath))
{
return;
}
var connection = await AppServiceConnectionHelper.Instance;
if (connection != null)
{
var value = new ValueSet()
{
{ "Arguments", "FileOperation" },
{ "fileop", "UpdateLink" },
{ "filepath", Item.ItemPath },
{ "targetpath", ViewModel.ShortcutItemPath },
{ "arguments", ViewModel.ShortcutItemArguments },
{ "workingdir", ViewModel.ShortcutItemWorkingDir },
{ "runasadmin", tmpItem.RunAsAdmin },
};
await connection.SendMessageAsync(value);
}
break;
}
}
public override IAsyncAction DeleteAsync()
{
return(AsyncInfo.Run(async(cancellationToken) =>
{
if (!NativeFileOperationsHelper.DeleteFileFromApp(Path))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}));
}
public static void WriteFileTag(string filePath, string tag)
{
if (tag == null)
{
NativeFileOperationsHelper.DeleteFileFromApp($"{filePath}:files");
}
else if (ReadFileTag(filePath) != tag)
{
NativeFileOperationsHelper.WriteStringToFile($"{filePath}:files", tag);
}
}
private static bool CheckAccess(string path)
{
return(SafetyExtensions.IgnoreExceptions(() =>
{
var hFile = NativeFileOperationsHelper.OpenFileForRead(path);
if (hFile.IsInvalid)
{
return false;
}
using var stream = new FileStream(hFile, FileAccess.Read);
return CheckAccess(stream);
}));
}
public override IAsyncOperation <IReadOnlyList <IStorageItem> > GetItemsAsync()
{
return(AsyncInfo.Run <IReadOnlyList <IStorageItem> >(async(cancellationToken) =>
{
var hFile = NativeFileOperationsHelper.OpenFileForRead(ContainerPath);
if (hFile.IsInvalid)
{
return null;
}
using (ZipFile zipFile = new ZipFile(new FileStream(hFile, FileAccess.Read)))
{
zipFile.IsStreamOwner = true;
ZipEncoding ??= DetectFileEncoding(zipFile);
var wnt = new WindowsNameTransform(ContainerPath, true); // Check with Path.GetFullPath
var items = new List <IStorageItem>();
foreach (var entry in zipFile.OfType <ZipEntry>()) // Returns all items recursively
{
string winPath = System.IO.Path.GetFullPath(entry.IsDirectory ? wnt.TransformDirectory(DecodeEntryName(entry, ZipEncoding)) : wnt.TransformFile(DecodeEntryName(entry, ZipEncoding)));
if (winPath.StartsWith(Path.WithEnding("\\"))) // Child of self
{
var split = winPath.Substring(Path.Length).Split(new[] { '\\' }, StringSplitOptions.RemoveEmptyEntries);
if (split.Length > 0)
{
if (entry.IsDirectory || split.Length > 1) // Not all folders have a ZipEntry
{
var itemPath = System.IO.Path.Combine(Path, split[0]);
if (!items.Any(x => x.Path == itemPath))
{
items.Add(new ZipStorageFolder(itemPath, ContainerPath, entry)
{
ZipEncoding = ZipEncoding
});
}
}
else
{
items.Add(new ZipStorageFile(winPath, ContainerPath, entry));
}
}
}
}
return items;
}
}));
}
public override async void GetSpecialProperties()
{
if (List.All(x => x.PrimaryItemAttribute == StorageItemTypes.File))
{
ViewModel.IsReadOnly = List.All(x => NativeFileOperationsHelper.HasFileAttribute(x.ItemPath, System.IO.FileAttributes.ReadOnly));
}
ViewModel.IsHidden = List.All(x => NativeFileOperationsHelper.HasFileAttribute(x.ItemPath, System.IO.FileAttributes.Hidden));
ViewModel.LastSeparatorVisibility = Visibility.Collapsed;
ViewModel.ItemSizeVisibility = Visibility.Visible;
ViewModel.FilesCount += List.Where(x => x.PrimaryItemAttribute == StorageItemTypes.File).ToList().Count;
ViewModel.FoldersCount += List.Where(x => x.PrimaryItemAttribute == StorageItemTypes.Folder).ToList().Count;
long totalSize = 0;
long filesSize = List.Where(x => x.PrimaryItemAttribute == StorageItemTypes.File).Sum(x => x.FileSizeBytes);
long foldersSize = 0;
ViewModel.ItemSizeProgressVisibility = Visibility.Visible;
foreach (var item in List)
{
if (item.PrimaryItemAttribute == StorageItemTypes.Folder)
{
var fileSizeTask = Task.Run(async() =>
{
var size = await CalculateFolderSizeAsync(item.ItemPath, TokenSource.Token);
return(size);
});
try
{
foldersSize += await fileSizeTask;
}
catch (Exception ex)
{
NLog.LogManager.GetCurrentClassLogger().Error(ex, ex.Message);
}
}
}
ViewModel.ItemSizeProgressVisibility = Visibility.Collapsed;
totalSize = filesSize + foldersSize;
ViewModel.ItemSize = ByteSize.FromBytes(totalSize).ToBinaryString().ConvertSizeAbbreviation()
+ " (" + ByteSize.FromBytes(totalSize).Bytes.ToString("#,##0") + " " + "ItemSizeBytes".GetLocalized() + ")";
SetItemsCountString();
}
public override async void GetSpecialProperties()
{
if (List.All(x => x.PrimaryItemAttribute == StorageItemTypes.File))
{
ViewModel.IsReadOnly = List.All(x => NativeFileOperationsHelper.HasFileAttribute(x.ItemPath, System.IO.FileAttributes.ReadOnly));
}
ViewModel.IsHidden = List.All(x => NativeFileOperationsHelper.HasFileAttribute(x.ItemPath, System.IO.FileAttributes.Hidden));
ViewModel.LastSeparatorVisibility = false;
ViewModel.ItemSizeVisibility = true;
ViewModel.FilesCount += List.Where(x => x.PrimaryItemAttribute == StorageItemTypes.File).ToList().Count;
ViewModel.FoldersCount += List.Where(x => x.PrimaryItemAttribute == StorageItemTypes.Folder).ToList().Count;
long totalSize = 0;
long filesSize = List.Where(x => x.PrimaryItemAttribute == StorageItemTypes.File).Sum(x => x.FileSizeBytes);
long foldersSize = 0;
ViewModel.ItemSizeProgressVisibility = true;
foreach (var item in List)
{
if (item.PrimaryItemAttribute == StorageItemTypes.Folder)
{
var fileSizeTask = Task.Run(async() =>
{
var size = await CalculateFolderSizeAsync(item.ItemPath, TokenSource.Token);
return(size);
});
try
{
foldersSize += await fileSizeTask;
}
catch (Exception ex)
{
App.Logger.Warn(ex, ex.Message);
}
}
}
ViewModel.ItemSizeProgressVisibility = false;
totalSize = filesSize + foldersSize;
ViewModel.ItemSize = totalSize.ToLongSizeString();
SetItemsCountString();
}
private StreamedFileDataRequestedHandler ZipDataStreamingHandler(string name)
{
return(async request =>
{
try
{
// If called from here it fails with Access Denied?!
//var hFile = NativeFileOperationsHelper.OpenFileForRead(ContainerPath);
var hFile = await NativeFileOperationsHelper.OpenProtectedFileForRead(ContainerPath);
if (hFile.IsInvalid)
{
request.FailAndClose(StreamedFileFailureMode.CurrentlyUnavailable);
return;
}
using (ZipFile zipFile = new ZipFile(new FileStream(hFile, FileAccess.Read)))
{
zipFile.IsStreamOwner = true;
var znt = new ZipNameTransform(ContainerPath);
var entry = zipFile.GetEntry(znt.TransformFile(name));
if (entry != null)
{
using (var inStream = zipFile.GetInputStream(entry))
using (var outStream = request.AsStreamForWrite())
{
await inStream.CopyToAsync(outStream);
await outStream.FlushAsync();
}
request.Dispose();
}
else
{
request.FailAndClose(StreamedFileFailureMode.CurrentlyUnavailable);
}
}
}
catch
{
request.FailAndClose(StreamedFileFailureMode.Failed);
}
});
}
public virtual void ImportSettings(object import)
{
try
{
// Try convert
settingsCache = (Dictionary <string, object>)import;
// Serialize
string serialized = JsonConvert.SerializeObject(settingsCache, Formatting.Indented);
// Write to file
NativeFileOperationsHelper.WriteStringToFile(settingsPath, serialized);
}
catch (Exception ex)
{
Debug.WriteLine(ex);
Debugger.Break();
}
}
private static bool CheckAccess(string path)
{
try
{
var hFile = NativeFileOperationsHelper.OpenFileForRead(path);
if (hFile.IsInvalid)
{
return(false);
}
using (ZipFile zipFile = new ZipFile(new FileStream(hFile, FileAccess.Read)))
{
zipFile.IsStreamOwner = true;
}
return(true);
}
catch
{
return(false);
}
}
private IAsyncOperation <ZipFile> OpenZipFileAsync(FileAccessMode accessMode)
{
return(AsyncInfo.Run <ZipFile>(async(cancellationToken) =>
{
bool readWrite = accessMode == FileAccessMode.ReadWrite;
if (BackingFile != null)
{
return new ZipFile((await BackingFile.OpenAsync(accessMode)).AsStream());
}
else
{
var hFile = NativeFileOperationsHelper.OpenFileForRead(ContainerPath, readWrite);
if (hFile.IsInvalid)
{
return null;
}
return new ZipFile((Stream) new FileStream(hFile, readWrite ? FileAccess.ReadWrite : FileAccess.Read));
}
}));
}
private BaseBasicProperties GetBasicProperties()
{
var hFile = NativeFileOperationsHelper.OpenFileForRead(ContainerPath);
if (hFile.IsInvalid)
{
return(new BaseBasicProperties());
}
using (ZipFile zipFile = new ZipFile(new FileStream(hFile, FileAccess.Read)))
{
zipFile.IsStreamOwner = true;
var znt = new ZipNameTransform(ContainerPath);
var entry = zipFile.GetEntry(znt.TransformFile(Path));
if (entry != null)
{
return(new ZipFileBasicProperties(entry));
}
return(new BaseBasicProperties());
}
}
public static void WriteFileTag(string filePath, string tag)
{
var isReadOnly = NativeFileOperationsHelper.HasFileAttribute(filePath, System.IO.FileAttributes.ReadOnly);
if (isReadOnly) // Unset read-only attribute (#7534)
{
NativeFileOperationsHelper.UnsetFileAttribute(filePath, System.IO.FileAttributes.ReadOnly);
}
if (tag == null)
{
NativeFileOperationsHelper.DeleteFileFromApp($"{filePath}:files");
}
else if (ReadFileTag(filePath) != tag)
{
NativeFileOperationsHelper.WriteStringToFile($"{filePath}:files", tag);
}
if (isReadOnly) // Restore read-only attribute (#7534)
{
NativeFileOperationsHelper.SetFileAttribute(filePath, System.IO.FileAttributes.ReadOnly);
}
}
protected virtual TValue Get <TValue>(TValue defaultValue, [CallerMemberName] string propertyName = "")
{
try
{
string settingsData = NativeFileOperationsHelper.ReadStringFromFile(settingsPath);
Dictionary <string, TValue> rawData = JsonConvert.DeserializeObject <Dictionary <string, TValue> >(settingsData);
Dictionary <string, object> convertedData = new Dictionary <string, object>();
if (rawData != null)
{
foreach (var item in rawData)
{
convertedData.Add(item.Key, (TValue)item.Value);
}
}
serializableSettings = convertedData;
if (serializableSettings == null)
{
serializableSettings = new Dictionary <string, object>();
}
if (!serializableSettings.ContainsKey(propertyName))
{
serializableSettings.Add(propertyName, defaultValue);
// Serialize
NativeFileOperationsHelper.WriteStringToFile(settingsPath, JsonConvert.SerializeObject(serializableSettings, Formatting.Indented));
}
return((TValue)serializableSettings[propertyName]);
}
catch (Exception e)
{
Debugger.Break();
return(default(TValue));
}
}
public override IAsyncOperation <IRandomAccessStream> OpenAsync(FileAccessMode accessMode)
{
return(AsyncInfo.Run <IRandomAccessStream>(async(cancellationToken) =>
{
bool rw = accessMode == FileAccessMode.ReadWrite;
var hFile = NativeFileOperationsHelper.OpenFileForRead(ContainerPath, rw);
if (hFile.IsInvalid)
{
return null;
}
if (Path == ContainerPath)
{
return new FileStream(hFile, FileAccess.Read).AsRandomAccessStream();
}
ZipFile zipFile = new ZipFile(new FileStream(hFile, rw ? FileAccess.ReadWrite : FileAccess.Read));
zipFile.IsStreamOwner = true;
var znt = new ZipNameTransform(ContainerPath);
var entry = zipFile.GetEntry(znt.TransformFile(Path));
if (!rw)
{
if (entry != null)
{
return new NonSeekableRandomAccessStream(zipFile.GetInputStream(entry), (ulong)entry.Size)
{
DisposeCallback = () => zipFile.Close()
};
}
}
else
{
return new RandomAccessStreamWithFlushCallback()
{
DisposeCallback = () => zipFile.Close(),
FlushCallback = WriteZipEntry(zipFile)
};
}
return null;
}));
}