public static async Task <IEnumerable <string> > CopySatelliteFilesAsync(PackageIdentity packageIdentity, PackagePathResolver packagePathResolver,
PackageSaveModes packageSaveMode, CancellationToken token)
{
IEnumerable <string> satelliteFilesCopied = Enumerable.Empty <string>();
if (packageIdentity == null)
{
throw new ArgumentNullException("packageIdentity");
}
if (packagePathResolver == null)
{
throw new ArgumentNullException("packagePathResolver");
}
string nupkgFilePath = packagePathResolver.GetInstalledPackageFilePath(packageIdentity);
if (File.Exists(nupkgFilePath))
{
using (var packageStream = File.OpenRead(nupkgFilePath))
{
string language;
string runtimePackageDirectory;
IEnumerable <ZipArchiveEntry> satelliteFiles;
if (PackageHelper.GetSatelliteFiles(packageStream, packageIdentity, packagePathResolver, out language, out runtimePackageDirectory, out satelliteFiles))
{
// Now, add all the satellite files collected from the package to the runtime package folder(s)
satelliteFilesCopied = await PackageHelper.CreatePackageFiles(satelliteFiles, runtimePackageDirectory, packageSaveMode, token);
}
}
}
return(satelliteFilesCopied);
}
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);
}