public static async Task <IEnumerable <string> > ExtractPackageAsync(Stream packageStream, PackageIdentity packageIdentity, PackagePathResolver packagePathResolver, PackageExtractionContext packageExtractionContext, PackageSaveModes packageSaveMode, CancellationToken token) { List <string> filesAdded = new List <string>(); if (packageStream == null) { throw new ArgumentNullException("packageStream"); } if (!packageStream.CanSeek) { throw new ArgumentException(Strings.PackageStreamShouldBeSeekable); } if (packageIdentity == null) { throw new ArgumentNullException("packageIdentity"); } if (packagePathResolver == null) { throw new ArgumentNullException("packagePathResolver"); } // TODO: Need to handle PackageSaveMode // TODO: Support overwriting files also? long nupkgStartPosition = packageStream.Position; var zipArchive = new ZipArchive(packageStream); // default to non-legacy paths bool useLegacyPaths = packageExtractionContext == null ? false : packageExtractionContext.UseLegacyPackageInstallPath; var packageReader = new PackageReader(zipArchive); var nuspecReader = new NuspecReader(packageReader.GetNuspec()); NuGetVersion packageVersionFromNuspec = nuspecReader.GetVersion(); var packageDirectoryInfo = Directory.CreateDirectory(packagePathResolver.GetInstallPath(new PackageIdentity(packageIdentity.Id, packageVersionFromNuspec), useLegacyPaths)); string packageDirectory = packageDirectoryInfo.FullName; filesAdded.AddRange(await PackageHelper.CreatePackageFiles(zipArchive.Entries, packageDirectory, packageSaveMode, token)); string nupkgFilePath = Path.Combine(packageDirectory, packagePathResolver.GetPackageFileName(packageIdentity)); if (packageSaveMode.HasFlag(PackageSaveModes.Nupkg)) { // During package extraction, nupkg is the last file to be created // Since all the packages are already created, the package stream is likely positioned at its end // Reset it to the nupkgStartPosition packageStream.Seek(nupkgStartPosition, SeekOrigin.Begin); filesAdded.Add(await PackageHelper.CreatePackageFile(nupkgFilePath, packageStream, token)); } // Now, copy satellite files unless requested to not copy them if (packageExtractionContext == null || packageExtractionContext.CopySatelliteFiles) { filesAdded.AddRange(await CopySatelliteFilesAsync(packageIdentity, packagePathResolver, packageSaveMode, token)); } return(filesAdded); }
public static async Task <IEnumerable <string> > ExtractPackageAsync( PackageReaderBase packageReader, Stream packageStream, PackageIdentity packageIdentity, PackagePathResolver packagePathResolver, PackageExtractionContext packageExtractionContext, PackageSaveModes packageSaveMode, CancellationToken token) { if (packageStream == null) { throw new ArgumentNullException(nameof(packageStream)); } if (packageIdentity == null) { throw new ArgumentNullException(nameof(packageIdentity)); } if (packagePathResolver == null) { throw new ArgumentNullException(nameof(packagePathResolver)); } // TODO: Need to handle PackageSaveMode // TODO: Support overwriting files also? var filesAdded = new List <string>(); var nuspecReader = new NuspecReader(packageReader.GetNuspec()); packageIdentity = nuspecReader.GetIdentity(); var packageDirectoryInfo = Directory.CreateDirectory(packagePathResolver.GetInstallPath(packageIdentity)); var packageDirectory = packageDirectoryInfo.FullName; foreach (var file in packageReader.GetFiles().Where(file => PackageHelper.IsPackageFile(file, packageSaveMode))) { token.ThrowIfCancellationRequested(); var targetPath = Path.Combine(packageDirectory, file); Directory.CreateDirectory(Path.GetDirectoryName(targetPath)); using (var sourceStream = packageReader.GetStream(file)) { using (var targetStream = new FileStream(targetPath, FileMode.Create, FileAccess.Write, FileShare.None, bufferSize: 1024, useAsync: true)) { await sourceStream.CopyToAsync(targetStream); } } filesAdded.Add(file); } var nupkgFilePath = Path.Combine(packageDirectory, packagePathResolver.GetPackageFileName(packageIdentity)); if (packageSaveMode.HasFlag(PackageSaveModes.Nupkg)) { // During package extraction, nupkg is the last file to be created // Since all the packages are already created, the package stream is likely positioned at its end // Reset it if (packageStream.Position != 0) { if (!packageStream.CanSeek) { throw new ArgumentException(Strings.PackageStreamShouldBeSeekable); } packageStream.Position = 0; } filesAdded.Add(await PackageHelper.CreatePackageFile(nupkgFilePath, packageStream, token)); } // Now, copy satellite files unless requested to not copy them if (packageExtractionContext == null || packageExtractionContext.CopySatelliteFiles) { PackageIdentity runtimeIdentity; string packageLanguage; var isSatellitePackage = PackageHelper.IsSatellitePackage(nuspecReader, out runtimeIdentity, out packageLanguage); // Short-circuit this if the package is not a satellite package. if (isSatellitePackage) { filesAdded.AddRange(await CopySatelliteFilesAsync(packageIdentity, packagePathResolver, packageSaveMode, token)); } } return(filesAdded); }