public Package(IPackage package, DerivedPackageData derivedData)
{
Id = package.Id;
Version = package.Version.ToString();
Title = package.Title;
Authors = String.Join(",", package.Authors);
if (package.IconUrl != null)
{
IconUrl = package.IconUrl.GetComponents(UriComponents.HttpRequestUrl, UriFormat.Unescaped);
}
if (package.LicenseUrl != null)
{
LicenseUrl = package.LicenseUrl.GetComponents(UriComponents.HttpRequestUrl, UriFormat.Unescaped);
}
if (package.ProjectUrl != null)
{
ProjectUrl = package.ProjectUrl.GetComponents(UriComponents.HttpRequestUrl, UriFormat.Unescaped);
}
RequireLicenseAcceptance = package.RequireLicenseAcceptance;
Description = package.Description;
Summary = package.Summary;
ReleaseNotes = package.ReleaseNotes;
Tags = package.Tags;
Dependencies = String.Join("|", package.DependencySets.SelectMany(ConvertDependencySetToStrings));
PackageHash = derivedData.PackageHash;
PackageHashAlgorithm = "SHA512";
PackageSize = derivedData.PackageSize;
LastUpdated = derivedData.LastUpdated.UtcDateTime;
Published = derivedData.Created.UtcDateTime;
IsAbsoluteLatestVersion = package.IsAbsoluteLatestVersion;
IsLatestVersion = package.IsLatestVersion;
Path = derivedData.Path;
FullPath = derivedData.FullPath;
MinClientVersion = package.MinClientVersion == null ? null : package.MinClientVersion.ToString();
}
public Package(IPackage package, DerivedPackageData derivedData)
{
Id = package.Id;
Version = package.Version.ToString();
Title = package.Title;
Authors = String.Join(",", package.Authors);
if (package.IconUrl != null)
{
IconUrl = package.IconUrl.GetComponents(UriComponents.HttpRequestUrl, UriFormat.Unescaped);
}
if (package.LicenseUrl != null)
{
LicenseUrl = package.LicenseUrl.GetComponents(UriComponents.HttpRequestUrl, UriFormat.Unescaped);
}
if (package.ProjectUrl != null)
{
ProjectUrl = package.ProjectUrl.GetComponents(UriComponents.HttpRequestUrl, UriFormat.Unescaped);
}
RequireLicenseAcceptance = package.RequireLicenseAcceptance;
Description = package.Description;
Summary = package.Summary;
Language = package.Language;
Tags = package.Tags;
Dependencies = String.Join("|", from d in package.Dependencies
select ConvertDependency(d));
PackageHash = derivedData.PackageHash;
PackageSize = derivedData.PackageSize;
LastUpdated = derivedData.LastUpdated.UtcDateTime;
Published = derivedData.Created.UtcDateTime;
DownloadCount = -1;
Rating = -1;
VersionDownloadCount = -1;
VersionRatingsCount = -1;
}
private void AddPackageToCache(ConcurrentDictionary <IPackage, DerivedPackageData> packages, ConcurrentDictionary <string, Tuple <IPackage, DerivedPackageData> > absoluteLatest, ConcurrentDictionary <string, Tuple <IPackage, DerivedPackageData> > latest, bool checkFrameworks, HttpContext context, string path, IPackage zip)
{
string packageHash = null;
long packageSize = 0;
string persistedHashFile = EnablePersistNupkgHash ? GetHashFile(path, false) : null;
bool hashComputeNeeded = true;
ReadHashFile(context, path, persistedHashFile, ref packageSize, ref packageHash, ref hashComputeNeeded);
if (hashComputeNeeded)
{
using (var stream = _fileSystem.OpenFile(path))
{
packageSize = stream.Length;
packageHash = Convert.ToBase64String(HashProvider.CalculateHash(stream));
}
WriteHashFile(context, path, persistedHashFile, packageSize, packageHash);
}
var data = new DerivedPackageData
{
PackageSize = packageSize,
PackageHash = packageHash,
LastUpdated = _fileSystem.GetLastModified(path),
Created = _fileSystem.GetCreated(path),
Path = path,
FullPath = _fileSystem.GetFullPath(path),
// default to false, these will be set later
IsAbsoluteLatestVersion = false,
IsLatestVersion = false
};
if (checkFrameworks)
{
data.SupportedFrameworks = zip.GetSupportedFrameworks();
}
var entry = new Tuple <IPackage, DerivedPackageData>(zip, data);
// find the latest versions
string id = zip.Id.ToLowerInvariant();
// update with the highest version
absoluteLatest.AddOrUpdate(id, entry, (oldId, oldEntry) => oldEntry.Item1.Version < entry.Item1.Version ? entry : oldEntry);
// update latest for release versions
if (zip.IsReleaseVersion())
{
latest.AddOrUpdate(id, entry, (oldId, oldEntry) => oldEntry.Item1.Version < entry.Item1.Version ? entry : oldEntry);
}
// add the package to the cache, it should not exist already
Debug.Assert(packages.ContainsKey(zip) == false, "duplicate package added");
packages.AddOrUpdate(zip, entry.Item2, (oldPkg, oldData) => oldData);
}
/// <summary>
/// Gives the Package containing both the IPackage and the derived metadata.
/// The returned Package will be null if <paramref name="package" /> no longer exists in the cache.
/// </summary>
public Package GetMetadataPackage(IPackage package)
{
Package metadata = null;
// The cache may have changed, and the metadata may no longer exist
DerivedPackageData data = null;
if (PackageCache.TryGetValue(package, out data))
{
metadata = new Package(package, data);
}
return(metadata);
}
/// <summary>
/// Gets the metadata package.
/// </summary>
/// <param name="package">The package.</param>
/// <returns></returns>
public Package GetMetadataPackage(IPackage package)
{
var derived = new DerivedPackageData()
{
//Created = ?
//FullPath = ?
IsAbsoluteLatestVersion = package.IsAbsoluteLatestVersion,
IsLatestVersion = package.IsLatestVersion
//LastUpdated = ?
//PackageHash = package.GetHash(),
//PackageSize = ??
//Path = ??
//SupportedFrameworks = package.GetSupportedFrameworks(),
};
//var pkg = new Package(package, new DerivedPackageData());
return(new Package(package, derived));
}
private DerivedPackageData CalculateDerivedData(IPackage package)
{
DerivedPackageData derivedPackageData;
if (DerivedDataCache.TryGetValue(package.Id, out derivedPackageData))
{
return(derivedPackageData);
}
var blob = this.GetLatestBlobForPackage(package);
long length = 0;
byte[] inArray;
using (var stream = blob.OpenRead())
{
length = stream.Length;
inArray = this.HashProvider.CalculateHash(stream);
}
derivedPackageData = new DerivedPackageData
{
PackageSize = length,
PackageHash = Convert.ToBase64String(inArray),
LastUpdated = blob.Properties.LastModified ?? default(DateTimeOffset),
Created = blob.Properties.LastModified ?? default(DateTimeOffset),
Path = blob.Uri.ToString(),
FullPath = blob.Uri.ToString(),
IsAbsoluteLatestVersion = package.IsAbsoluteLatestVersion,
IsLatestVersion = package.IsLatestVersion
};
DerivedDataCache.AddOrUpdate(package.Id, derivedPackageData, (key, old) => derivedPackageData);
return(derivedPackageData);
}
