public static bool GetSatelliteFiles(Stream packageStream, PackageIdentity packageIdentity, PackagePathResolver packagePathResolver,
out string language, out string runtimePackageDirectory, out IEnumerable <ZipArchiveEntry> satelliteFiles)
{
var zipArchive = new ZipArchive(packageStream);
var packageReader = new PackageReader(zipArchive);
var nuspecReader = new NuspecReader(packageReader.GetNuspec());
PackageIdentity runtimePackageIdentity = null;
string packageLanguage = null;
if (PackageHelper.IsSatellitePackage(nuspecReader, out runtimePackageIdentity, out packageLanguage))
{
// Now, we know that the package is a satellite package and that the runtime package is 'runtimePackageId'
// Check, if the runtimePackage is installed and get the folder to copy over files
string runtimePackageFilePath = packagePathResolver.GetInstalledPackageFilePath(runtimePackageIdentity);
if (File.Exists(runtimePackageFilePath))
{
runtimePackageDirectory = Path.GetDirectoryName(runtimePackageFilePath);
// Existence of the package file is the validation that the package exists
var libItemGroups = packageReader.GetLibItems();
List <ZipArchiveEntry> satelliteFileEntries = new List <ZipArchiveEntry>();
foreach (var libItemGroup in libItemGroups)
{
var satelliteFilesInGroup = libItemGroup.Items.Where(item => Path.GetDirectoryName(item).Split(Path.DirectorySeparatorChar)
.Contains(packageLanguage, StringComparer.OrdinalIgnoreCase));
foreach (var satelliteFile in satelliteFilesInGroup)
{
var zipArchiveEntry = zipArchive.GetEntry(satelliteFile);
if (zipArchiveEntry != null)
{
satelliteFileEntries.Add(zipArchiveEntry);
}
}
}
if (satelliteFileEntries.Count > 0)
{
language = packageLanguage;
satelliteFiles = satelliteFileEntries;
return(true);
}
}
}
language = null;
runtimePackageDirectory = null;
satelliteFiles = null;
return(false);
}
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);
}