public static async Task <IEnumerable <string> > ExtractPackageAsync(
Stream packageStream,
PackageIdentity packageIdentity,
PackagePathResolver packagePathResolver,
PackageExtractionContext packageExtractionContext,
PackageSaveModes packageSaveMode,
CancellationToken token)
{
var filesAdded = new List <string>();
if (packageStream == null)
{
throw new ArgumentNullException(nameof(packageStream));
}
if (!packageStream.CanSeek)
{
throw new ArgumentException(Strings.PackageStreamShouldBeSeekable);
}
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 zipArchive = new ZipArchive(packageStream);
var packageReader = new PackageReader(zipArchive);
var nuspecReader = new NuspecReader(packageReader.GetNuspec());
packageIdentity = nuspecReader.GetIdentity();
var packageDirectoryInfo = Directory.CreateDirectory(packagePathResolver.GetInstallPath(packageIdentity));
var packageDirectory = packageDirectoryInfo.FullName;
filesAdded.AddRange(await PackageHelper.CreatePackageFiles(zipArchive.Entries, packageDirectory, packageSaveMode, token));
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
packageStream.Seek(0, 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);
}
public static async Task <IEnumerable <string> > ExtractPackageAsync(
string source,
Stream packageStream,
PackagePathResolver packagePathResolver,
PackageExtractionContext packageExtractionContext,
CancellationToken token,
Guid parentId = default(Guid))
{
if (packageStream == null)
{
throw new ArgumentNullException(nameof(packageStream));
}
if (!packageStream.CanSeek)
{
throw new ArgumentException(Strings.PackageStreamShouldBeSeekable);
}
if (packagePathResolver == null)
{
throw new ArgumentNullException(nameof(packagePathResolver));
}
if (packageExtractionContext == null)
{
throw new ArgumentNullException(nameof(packageExtractionContext));
}
var packageSaveMode = packageExtractionContext.PackageSaveMode;
var filesAdded = new List <string>();
var nupkgStartPosition = packageStream.Position;
using (var telemetry = TelemetryActivity.CreateTelemetryActivityWithNewOperationId(parentId))
{
using (var packageReader = new PackageArchiveReader(packageStream, leaveStreamOpen: true))
{
var packageIdentityFromNuspec = await packageReader.GetIdentityAsync(CancellationToken.None);
var installPath = packagePathResolver.GetInstallPath(packageIdentityFromNuspec);
var packageDirectoryInfo = Directory.CreateDirectory(installPath);
var packageDirectory = packageDirectoryInfo.FullName;
try
{
telemetry.StartIntervalMeasure();
await VerifyPackageSignatureAsync(
source,
telemetry.OperationId,
packageIdentityFromNuspec,
packageExtractionContext,
packageReader,
token);
telemetry.EndIntervalMeasure(PackagingConstants.PackageVerifyDurationName);
}
catch (SignatureException)
{
telemetry.TelemetryEvent = new PackageExtractionTelemetryEvent(
packageExtractionContext.PackageSaveMode,
NuGetOperationStatus.Failed,
ExtractionSource.NuGetFolderProject,
packageIdentityFromNuspec);
throw;
}
var packageFiles = await packageReader.GetPackageFilesAsync(packageSaveMode, token);
if ((packageSaveMode & PackageSaveMode.Nuspec) == PackageSaveMode.Nuspec)
{
var sourceNuspecFile = packageFiles.Single(p => PackageHelper.IsManifest(p));
var targetNuspecPath = Path.Combine(
packageDirectory,
packagePathResolver.GetManifestFileName(packageIdentityFromNuspec));
// Extract the .nuspec file with a well known file name.
filesAdded.Add(packageReader.ExtractFile(
sourceNuspecFile,
targetNuspecPath,
packageExtractionContext.Logger));
packageFiles = packageFiles.Except(new[] { sourceNuspecFile });
}
var packageFileExtractor = new PackageFileExtractor(packageFiles, packageExtractionContext.XmlDocFileSaveMode);
filesAdded.AddRange(await packageReader.CopyFilesAsync(
packageDirectory,
packageFiles,
packageFileExtractor.ExtractPackageFile,
packageExtractionContext.Logger,
token));
if ((packageSaveMode & PackageSaveMode.Nupkg) == PackageSaveMode.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);
var nupkgFilePath = Path.Combine(
packageDirectory,
packagePathResolver.GetPackageFileName(packageIdentityFromNuspec));
filesAdded.Add(packageStream.CopyToFile(nupkgFilePath));
}
// Now, copy satellite files unless requested to not copy them
if (packageExtractionContext.CopySatelliteFiles)
{
filesAdded.AddRange(await CopySatelliteFilesAsync(
packageReader,
packagePathResolver,
packageSaveMode,
packageExtractionContext,
token));
}
telemetry.TelemetryEvent = new PackageExtractionTelemetryEvent(
packageExtractionContext.PackageSaveMode,
NuGetOperationStatus.Succeeded,
ExtractionSource.NuGetFolderProject,
packageIdentityFromNuspec);
}
return(filesAdded);
}
}