private IEnumerable <PackageIdentity> CreatePackageIdentityFromNupkgPath()
{
PackageIdentity identity = null;
IPackage package = null;
try
{
// Example: install-package2 https://az320820.vo.msecnd.net/packages/microsoft.aspnet.mvc.4.0.20505.nupkg
if (_isHttp)
{
PackageIdentity packageIdentity = ParsePackageIdentityFromHttpSource(Id);
IPackageCacheRepository packageCache = this.Projects.FirstOrDefault().TryGetFeature <IPackageCacheRepository>();
IPackageName packageName = CoreConverters.SafeToPackageName(packageIdentity);
SemanticVersion packageSemVer = CoreConverters.SafeToSemanticVersion(packageIdentity.Version);
Uri downloadUri = new Uri(Id);
PackageDownloader downloader = new PackageDownloader();
// Try to download the package through the cache.
bool success = packageCache.InvokeOnPackage(
packageIdentity.Id,
packageSemVer,
(targetStream) =>
downloader.DownloadPackage(
new HttpClient(downloadUri),
packageName,
targetStream));
if (success)
{
// Try to get it from the cache again
package = packageCache.FindPackage(packageIdentity.Id, packageSemVer);
}
}
else
{
// Example: install-package2 c:\temp\packages\jQuery.1.10.2.nupkg
string fullPath = Path.GetFullPath(Id);
package = new OptimizedZipPackage(fullPath);
}
if (package != null)
{
Id = package.Id;
Version = package.Version.ToString();
identity = new PackageIdentity(Id, NuGetVersion.Parse(Version));
}
}
catch (Exception ex)
{
Log(MessageLevel.Error, Resources.Cmdlet_FailToParsePackages, Id, ex.Message);
}
return(new List <PackageIdentity>()
{
identity
});
}
internal void EnsurePackage(IPackageCacheRepository cacheRepository)
{
// OData caches instances of DataServicePackage while updating their property values. As a result,
// the ZipPackage that we downloaded may no longer be valid (as indicated by a newer hash).
// When using MachineCache, once we've verified that the hashes match (which happens the first time around),
// we'll simply verify the file exists between successive calls.
IPackageMetadata packageMetadata = this;
bool refreshPackage = _package == null ||
(_package is OptimizedZipPackage && !((OptimizedZipPackage)_package).IsValid) ||
!String.Equals(OldHash, PackageHash, StringComparison.OrdinalIgnoreCase) ||
(_usingMachineCache && !cacheRepository.Exists(Id, packageMetadata.Version));
if (refreshPackage &&
TryGetPackage(cacheRepository, packageMetadata, out _package) &&
_package.GetHash(HashProvider).Equals(PackageHash, StringComparison.OrdinalIgnoreCase))
{
OldHash = PackageHash;
// Reset the flag so that we no longer need to download the package since it exists and is valid.
refreshPackage = false;
// Make a note that the backing store for the ZipPackage is the machine cache.
_usingMachineCache = true;
}
if (refreshPackage)
{
// We either do not have a package available locally or they are invalid. Download the package from the server.
_usingMachineCache = cacheRepository.InvokeOnPackage(packageMetadata.Id, packageMetadata.Version,
(stream) => Downloader.DownloadPackage(DownloadUrl, this, stream)
);
if (_usingMachineCache)
{
_package = cacheRepository.FindPackage(packageMetadata.Id, packageMetadata.Version);
Debug.Assert(_package != null);
}
else
{
// this can happen when access to the %LocalAppData% directory is blocked, e.g. on Windows Azure Web Site build
using (var targetStream = new MemoryStream())
{
Downloader.DownloadPackage(DownloadUrl, this, targetStream);
targetStream.Seek(0, SeekOrigin.Begin);
_package = new ZipPackage(targetStream);
}
}
OldHash = PackageHash;
}
}
internal void EnsurePackage(IPackageCacheRepository cacheRepository)
{
IPackageMetadata packageMetadata = this;
if ((((this._package == null) || ((this._package is OptimizedZipPackage) && !((OptimizedZipPackage)this._package).IsValid)) || !string.Equals(this.OldHash, this.PackageHash, StringComparison.OrdinalIgnoreCase)) || (this._usingMachineCache && !cacheRepository.Exists(this.Id, packageMetadata.Version)))
{
IPackage package = null;
bool flag = false;
bool flag2 = false;
if (TryGetPackage(cacheRepository, packageMetadata, out package) && this.MatchPackageHash(package))
{
flag2 = true;
}
else
{
if (cacheRepository.InvokeOnPackage(packageMetadata.Id, packageMetadata.Version, stream => this.Downloader.DownloadPackage(this.DownloadUrl, this, stream)))
{
package = cacheRepository.FindPackage(packageMetadata.Id, packageMetadata.Version);
}
else
{
using (MemoryStream stream = new MemoryStream())
{
this.Downloader.DownloadPackage(this.DownloadUrl, this, stream);
stream.Seek(0L, SeekOrigin.Begin);
package = new ZipPackage(stream);
}
flag = true;
}
flag2 = true;
}
if (!flag2)
{
object[] args = new object[] { this.Version, this.Id };
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, NuGetResources.Error_InvalidPackage, args));
}
this._package = package;
this.Id = this._package.Id;
this.Version = this._package.Version.ToString();
this._usingMachineCache = !flag;
this.OldHash = this.PackageHash;
}
}
internal void EnsurePackage(IPackageCacheRepository cacheRepository)
{
// OData caches instances of DataServicePackage while updating their property values. As a result,
// the ZipPackage that we downloaded may no longer be valid (as indicated by a newer hash).
// When using MachineCache, once we've verified that the hashes match (which happens the first time around),
// we'll simply verify the file exists between successive calls.
IPackageMetadata packageMetadata = this;
bool refreshPackage = _package == null ||
(_package is OptimizedZipPackage && !((OptimizedZipPackage)_package).IsValid) ||
!String.Equals(OldHash, PackageHash, StringComparison.OrdinalIgnoreCase) ||
(_usingMachineCache && !cacheRepository.Exists(Id, packageMetadata.Version));
if (refreshPackage &&
TryGetPackage(cacheRepository, packageMetadata, out _package) &&
_package.GetHash(HashProvider).Equals(PackageHash, StringComparison.OrdinalIgnoreCase))
{
OldHash = PackageHash;
// Reset the flag so that we no longer need to download the package since it exists and is valid.
refreshPackage = false;
// Make a note that the backing store for the ZipPackage is the machine cache.
_usingMachineCache = true;
}
if (refreshPackage)
{
using (Stream targetStream = cacheRepository.CreatePackageStream(packageMetadata.Id, packageMetadata.Version))
{
// We either do not have a package available locally or they are invalid. Download the package from the server.
Downloader.DownloadPackage(DownloadUrl, this, targetStream);
}
_package = cacheRepository.FindPackage(packageMetadata.Id, packageMetadata.Version);
// Make a note that we are using an in-memory instance of the package.
_usingMachineCache = false;
OldHash = PackageHash;
}
}
internal void EnsurePackage(IPackageCacheRepository cacheRepository)
{
// OData caches instances of DataServicePackage while updating their property values. As a result,
// the ZipPackage that we downloaded may no longer be valid (as indicated by a newer hash).
// When using MachineCache, once we've verified that the hashes match (which happens the first time around),
// we'll simply verify the file exists between successive calls.
IPackageMetadata packageMetadata = this;
if (_package == null ||
(_package is OptimizedZipPackage && !((OptimizedZipPackage)_package).IsValid) ||
!String.Equals(OldHash, PackageHash, StringComparison.OrdinalIgnoreCase) ||
(_usingMachineCache && !cacheRepository.Exists(Id, packageMetadata.Version)))
{
IPackage newPackage = null;
bool inMemOnly = false;
bool isValid = false;
// If the package exists in the cache and has the correct hash then use it. Otherwise download it.
if (TryGetPackage(cacheRepository, packageMetadata, out newPackage) && MatchPackageHash(newPackage))
{
isValid = true;
}
else
{
// We either do not have a package available locally or they are invalid. Download the package from the server.
if (cacheRepository.InvokeOnPackage(packageMetadata.Id, packageMetadata.Version,
(stream) => Downloader.DownloadPackage(DownloadUrl, this, stream)))
{
newPackage = cacheRepository.FindPackage(packageMetadata.Id, packageMetadata.Version);
Debug.Assert(newPackage != null);
}
else
{
// this can happen when access to the %LocalAppData% directory is blocked, e.g. on Windows Azure Web Site build
using (var targetStream = new MemoryStream())
{
Downloader.DownloadPackage(DownloadUrl, this, targetStream);
targetStream.Seek(0, SeekOrigin.Begin);
newPackage = new ZipPackage(targetStream);
}
inMemOnly = true;
}
// Because of CDN caching, the hash returned in odata feed
// can be out of sync with the hash of the file itself.
// So for now, we cannot call MatchPackageHash(newPackage) to
// validate that the file downloaded has the right hash.
isValid = true;
}
// apply the changes if the package hash was valid
if (isValid)
{
_package = newPackage;
// Make a note that the backing store for the ZipPackage is the machine cache.
_usingMachineCache = !inMemOnly;
OldHash = PackageHash;
}
else
{
// ensure package must end with a valid package, since we cannot load one we must throw.
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture,
NuGetResources.Error_InvalidPackage, Version, Id));
}
}
}
private IPackage DownloadToMachineCache(
IPackageCacheRepository cacheRepository,
PackageIdentity package,
DataServicePackageRepository repository,
Uri downloadUri,
NuGet.Common.ILogger logger,
CancellationToken token)
{
var packageName = new PackageNameWrapper(package);
var version = SemanticVersion.Parse(package.Version.ToString());
IPackage newPackage = null;
FileInfo tmpFile = null;
FileStream tmpFileStream = null;
// Create a v2 http client
var downloadClient = new HttpClient(downloadUri)
{
UserAgent = UserAgent.UserAgentString
};
EventHandler <ProgressEventArgs> progressHandler = (sender, progress) =>
{
// Throw if this was canceled. This will stop the download.
token.ThrowIfCancellationRequested();
};
Exception downloadException = null;
Action <Stream> downloadAction = (stream) =>
{
try
{
repository.PackageDownloader.ProgressAvailable += progressHandler;
repository.PackageDownloader.DownloadPackage(downloadClient, packageName, stream);
}
catch (Exception ex) when(ex is OperationCanceledException ||
ex is IOException && ex.InnerException is SocketException)
{
// The task was canceled. To avoid writing a partial file to the machine cache
// we need to clear out the current tmp file stream so that it will be ignored.
stream.SetLength(0);
// If the machine cache is using the physical file system we can find the
// path of temp file and clean it up. Otherwise NuGet.Core will just leave the temp file.
tmpFileStream = stream as FileStream;
if (tmpFileStream != null)
{
tmpFile = new FileInfo(tmpFileStream.Name);
}
downloadException = ex;
}
catch (Exception ex)
{
downloadException = ex;
}
finally
{
repository.PackageDownloader.ProgressAvailable -= progressHandler;
}
};
// We either do not have a package available locally or they are invalid.
// Download the package from the server.
if (cacheRepository.InvokeOnPackage(package.Id, version,
(stream) => downloadAction(stream)))
{
if (!token.IsCancellationRequested)
{
newPackage = cacheRepository.FindPackage(package.Id, version);
Debug.Assert(newPackage != null);
}
}
// After the stream is no longer in use, delete the tmp file
// NuGet.Core does not properly clean these up since it does not have cancel support.
if (tmpFile != null && token.IsCancellationRequested && tmpFile.Exists)
{
try
{
tmpFile.Delete();
}
catch
{
// Ignore exceptions for tmp file clean up
}
}
if (downloadException != null)
{
throw downloadException;
}
return(newPackage);
}
internal void EnsurePackage(IPackageCacheRepository cacheRepository)
{
// OData caches instances of DataServicePackage while updating their property values. As a result,
// the ZipPackage that we downloaded may no longer be valid (as indicated by a newer hash).
// When using MachineCache, once we've verified that the hashes match (which happens the first time around),
// we'll simply verify the file exists between successive calls.
IPackageMetadata packageMetadata = this;
if (_package == null ||
(_package is OptimizedZipPackage && !((OptimizedZipPackage)_package).IsValid) ||
!String.Equals(OldHash, PackageHash, StringComparison.OrdinalIgnoreCase) ||
(_usingMachineCache && !cacheRepository.Exists(Id, packageMetadata.Version)))
{
IPackage newPackage = null;
bool inMemOnly = false;
bool isValid = false;
// If the package exists in the cache and has the correct hash then use it. Otherwise download it.
if (TryGetPackage(cacheRepository, packageMetadata, out newPackage) && MatchPackageHash(newPackage))
{
isValid = true;
}
else
{
// We either do not have a package available locally or they are invalid. Download the package from the server.
if (cacheRepository.InvokeOnPackage(packageMetadata.Id, packageMetadata.Version,
(stream) => Downloader.DownloadPackage(DownloadUrl, this, stream)))
{
newPackage = cacheRepository.FindPackage(packageMetadata.Id, packageMetadata.Version);
Debug.Assert(newPackage != null);
}
else
{
// this can happen when access to the %LocalAppData% directory is blocked, e.g. on Windows Azure Web Site build
using (var targetStream = new MemoryStream())
{
Downloader.DownloadPackage(DownloadUrl, this, targetStream);
targetStream.Seek(0, SeekOrigin.Begin);
newPackage = new ZipPackage(targetStream);
}
inMemOnly = true;
}
// Because of CDN caching, the hash returned in odata feed
// can be out of sync with the hash of the file itself.
// So for now, we cannot call MatchPackageHash(newPackage) to
// validate that the file downloaded has the right hash.
isValid = true;
}
// apply the changes if the package hash was valid
if (isValid)
{
_package = newPackage;
// Make a note that the backing store for the ZipPackage is the machine cache.
_usingMachineCache = !inMemOnly;
OldHash = PackageHash;
}
else
{
// ensure package must end with a valid package, since we cannot load one we must throw.
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture,
NuGetResources.Error_InvalidPackage, Version, Id));
}
}
}
internal void EnsurePackage(IPackageCacheRepository cacheRepository)
{
// OData caches instances of DataServicePackage while updating their property values. As a result,
// the ZipPackage that we downloaded may no longer be valid (as indicated by a newer hash).
// When using MachineCache, once we've verified that the hashes match (which happens the first time around),
// we'll simply verify the file exists between successive calls.
IPackageMetadata packageMetadata = this;
bool refreshPackage = _package == null ||
(_package is OptimizedZipPackage && !((OptimizedZipPackage)_package).IsValid) ||
!String.Equals(OldHash, PackageHash, StringComparison.OrdinalIgnoreCase) ||
(_usingMachineCache && !cacheRepository.Exists(Id, packageMetadata.Version));
if (refreshPackage &&
TryGetPackage(cacheRepository, packageMetadata, out _package) &&
_package.GetHash(HashProvider).Equals(PackageHash, StringComparison.OrdinalIgnoreCase))
{
OldHash = PackageHash;
// Reset the flag so that we no longer need to download the package since it exists and is valid.
refreshPackage = false;
// Make a note that the backing store for the ZipPackage is the machine cache.
_usingMachineCache = true;
}
if (refreshPackage)
{
// We either do not have a package available locally or they are invalid. Download the package from the server.
Stream targetStream = null;
try
{
targetStream = cacheRepository.CreatePackageStream(packageMetadata.Id, packageMetadata.Version);
// this can happen when access to the %LocalAppData% directory is blocked, e.g. on Windows Azure Web Site build
if (targetStream != null)
{
_usingMachineCache = true;
}
else
{
// if we can't store the package into machine cache, store it in memory
targetStream = new MemoryStream();
_usingMachineCache = false;
}
// download package into the stream
Downloader.DownloadPackage(DownloadUrl, this, targetStream);
}
finally
{
if (targetStream != null && _usingMachineCache)
{
targetStream.Dispose();
}
}
if (_usingMachineCache)
{
_package = cacheRepository.FindPackage(packageMetadata.Id, packageMetadata.Version);
Debug.Assert(_package != null);
}
else
{
targetStream.Seek(0, SeekOrigin.Begin);
_package = new ZipPackage(targetStream);
targetStream.Dispose();
}
OldHash = PackageHash;
}
}
internal static IPackage GetPackage(IPackageCacheRepository packageCache, PackageIdentity packageIdentity, Uri downloadUri)
{
var packageSemVer = CoreConverters.SafeToSemanticVersion(packageIdentity.Version);
var packageName = CoreConverters.SafeToPackageName(packageIdentity);
var downloader = new PackageDownloader();
IPackage package = null;
if (packageCache != null)
{
package = packageCache.FindPackage(packageName.Id, packageSemVer);
if (package != null)
{
NuGetTraceSources.ActionExecutor.Info(
"download/cachehit",
"[{0}] Download: Cache Hit!",
packageIdentity);
// Success!
return(package);
}
if (downloadUri == null)
{
throw new InvalidOperationException(String.Format(
CultureInfo.CurrentCulture,
Strings.DownloadActionHandler_NoDownloadUrl,
packageIdentity));
}
// Try to download the package through the cache.
bool success = packageCache.InvokeOnPackage(
packageIdentity.Id,
packageSemVer,
(targetStream) =>
downloader.DownloadPackage(
new HttpClient(downloadUri),
packageName,
targetStream));
if (success)
{
NuGetTraceSources.ActionExecutor.Info(
"download/downloadedtocache",
"[{0}] Download: Downloaded to cache",
packageName);
// Try to get it from the cache again
package = packageCache.FindPackage(packageIdentity.Id, packageSemVer);
}
}
// Either:
// 1. We failed to load the package into the cache, which can happen when
// access to the %LocalAppData% directory is blocked,
// e.g. on Windows Azure Web Site build OR
// B. It was purged from the cache before it could be retrieved again.
// Regardless, the cache isn't working for us, so download it in to memory.
if (package == null)
{
NuGetTraceSources.ActionExecutor.Info(
"download/cachefailing",
"[{0}] Download: Cache isn't working. Downloading to RAM",
packageName);
using (var targetStream = new MemoryStream())
{
downloader.DownloadPackage(
new HttpClient(downloadUri),
packageName,
targetStream);
targetStream.Seek(0, SeekOrigin.Begin);
package = new ZipPackage(targetStream);
}
}
return(package);
}
internal static IPackage GetPackage(IPackageCacheRepository packageCache, PackageIdentity packageIdentity, Uri downloadUri)
{
var packageSemVer = CoreConverters.SafeToSemanticVersion(packageIdentity.Version);
var packageName = CoreConverters.SafeToPackageName(packageIdentity);
var downloader = new PackageDownloader();
IPackage package = null;
if (packageCache != null)
{
package = packageCache.FindPackage(packageName.Id, packageSemVer);
if (package != null)
{
NuGetTraceSources.ActionExecutor.Info(
"download/cachehit",
"[{0}] Download: Cache Hit!",
packageIdentity);
// Success!
return package;
}
if (downloadUri == null)
{
throw new InvalidOperationException(String.Format(
CultureInfo.CurrentCulture,
Strings.DownloadActionHandler_NoDownloadUrl,
packageIdentity));
}
// Try to download the package through the cache.
bool success = packageCache.InvokeOnPackage(
packageIdentity.Id,
packageSemVer,
(targetStream) =>
downloader.DownloadPackage(
new HttpClient(downloadUri),
packageName,
targetStream));
if (success)
{
NuGetTraceSources.ActionExecutor.Info(
"download/downloadedtocache",
"[{0}] Download: Downloaded to cache",
packageName);
// Try to get it from the cache again
package = packageCache.FindPackage(packageIdentity.Id, packageSemVer);
}
}
// Either:
// 1. We failed to load the package into the cache, which can happen when
// access to the %LocalAppData% directory is blocked,
// e.g. on Windows Azure Web Site build OR
// B. It was purged from the cache before it could be retrieved again.
// Regardless, the cache isn't working for us, so download it in to memory.
if (package == null)
{
NuGetTraceSources.ActionExecutor.Info(
"download/cachefailing",
"[{0}] Download: Cache isn't working. Downloading to RAM",
packageName);
using (var targetStream = new MemoryStream())
{
downloader.DownloadPackage(
new HttpClient(downloadUri),
packageName,
targetStream);
targetStream.Seek(0, SeekOrigin.Begin);
package = new ZipPackage(targetStream);
}
}
return package;
}
internal void EnsurePackage(IPackageCacheRepository cacheRepository)
{
// OData caches instances of DataServicePackage while updating their property values. As a result,
// the ZipPackage that we downloaded may no longer be valid (as indicated by a newer hash).
// When using MachineCache, once we've verified that the hashes match (which happens the first time around),
// we'll simply verify the file exists between successive calls.
IPackageMetadata packageMetadata = this;
bool refreshPackage = _package == null ||
(_package is OptimizedZipPackage && !((OptimizedZipPackage)_package).IsValid) ||
!String.Equals(OldHash, PackageHash, StringComparison.OrdinalIgnoreCase) ||
(_usingMachineCache && !cacheRepository.Exists(Id, packageMetadata.Version));
if (refreshPackage &&
TryGetPackage(cacheRepository, packageMetadata, out _package) &&
_package.GetHash(HashProvider).Equals(PackageHash, StringComparison.OrdinalIgnoreCase))
{
OldHash = PackageHash;
// Reset the flag so that we no longer need to download the package since it exists and is valid.
refreshPackage = false;
// Make a note that the backing store for the ZipPackage is the machine cache.
_usingMachineCache = true;
}
if (refreshPackage)
{
using (Stream targetStream = cacheRepository.CreatePackageStream(packageMetadata.Id, packageMetadata.Version))
{
// We either do not have a package available locally or they are invalid. Download the package from the server.
Downloader.DownloadPackage(DownloadUrl, this, targetStream);
}
_package = cacheRepository.FindPackage(packageMetadata.Id, packageMetadata.Version);
// Make a note that we are using an in-memory instance of the package.
_usingMachineCache = false;
OldHash = PackageHash;
}
}