public async Task <Uri> GetPackageUriAsync(string id, string version, CancellationToken cancellationToken)
{
var serviceIndex = await _sourceRepository.GetResourceAsync <ServiceIndexResourceV3>(cancellationToken);
var packageBaseAddress = serviceIndex.GetServiceEntryUri(ServiceTypes.PackageBaseAddress);
if (packageBaseAddress != null)
{
return(new Uri(packageBaseAddress, $"{id}/{version}/{id}.{version}.nupkg"));
}
else
{
_logger.LogDebug("Upstream repository does not support flat container, falling back to registration");
// If there is no flat container resource fall back to using the registration resource to find the download url.
using (var sourceCacheContext = new SourceCacheContext())
{
// Read the url from the registration information
var pid = new PackageIdentity(id, NuGetVersion.Parse(version));
var blob = await _regResource.GetPackageMetadata(pid, sourceCacheContext, _loggerAdapter, cancellationToken);
if (blob != null && blob["packageContent"] != null)
{
return(new Uri(blob["packageContent"].ToString()));
}
else
{
throw new InvalidOperationException("Could not determine upstream url for download");
}
}
}
}
private async Task <IEnumerable <CatalogIndexEntry> > FetchCatalogIndexEntriesFromRegistrationAsync(
FeedPackageIdentity feedPackage,
CancellationToken token)
{
var id = feedPackage.Id;
var version = NuGetVersion.Parse(feedPackage.Version);
var leafBlob = await _regResource.GetPackageMetadata(
new PackageIdentity(id, version),
NullSourceCacheContext.Instance,
Logger.AsCommon(),
token);
if (leafBlob == null)
{
throw new Exception("Package is missing from registration!");
}
var catalogPageUri = new Uri(leafBlob["@id"].ToString());
var catalogPage = await _client.GetJObjectAsync(catalogPageUri, token);
return(new CatalogIndexEntry[]
{
new CatalogIndexEntry(
catalogPageUri,
Schema.DataTypes.PackageDetails.ToString(),
catalogPage["catalog:commitId"].ToString(),
DateTime.Parse(catalogPage["catalog:commitTimeStamp"].ToString()),
id,
version)
});
}
public override async Task <IEnumerable <UIPackageMetadata> > GetMetadata(IEnumerable <PackageIdentity> packages, CancellationToken token)
{
List <UIPackageMetadata> results = new List <UIPackageMetadata>();
// group by id to optimize
foreach (var group in packages.GroupBy(e => e.Id, StringComparer.OrdinalIgnoreCase))
{
var versions = group.OrderBy(e => e.Version, VersionComparer.VersionRelease);
// find the range of versions we need
VersionRange range = new VersionRange(versions.First().Version, true, versions.Last().Version, true, true);
IEnumerable <JObject> metadataList = await _regResource.GetPackageMetadata(group.Key, range, true, true, token);
results.AddRange(metadataList.Select(item => ParseMetadata(item)));
}
return(results);
}
public override async Task <IEnumerable <NuGetVersion> > VersionStartsWith(string packageId, string versionPrefix, bool includePrerelease, CancellationToken token)
{
//*TODOs : Take prerelease as parameter. Also it should return both listed and unlisted for powershell ?
IEnumerable <JObject> packages = await _regResource.GetPackageMetadata(packageId, includePrerelease, false, token);
List <NuGetVersion> versions = new List <NuGetVersion>();
foreach (var package in packages)
{
string version = (string)package["version"];
if (version.StartsWith(versionPrefix, StringComparison.OrdinalIgnoreCase))
{
versions.Add(new NuGetVersion(version));
}
}
return(versions);
}
public static async Task <long> PackageSize(this SourceRepository sourceRepository, PackageIdentity packageIdentity, CancellationToken cancellationToken)
{
if (null == sourceRepository || null == packageIdentity)
{
return(0);
}
using (SourceCacheContext cache = new SourceCacheContext
{
DirectDownload = true,
NoCache = true
})
{
try
{
RegistrationResourceV3 registrationResource = await sourceRepository.GetResourceAsync <RegistrationResourceV3>(cancellationToken).ConfigureAwait(false);
JObject packageMetadata = await registrationResource.GetPackageMetadata(packageIdentity, cache, NullLogger.Instance, cancellationToken).ConfigureAwait(false);
if (null == packageMetadata)
{
throw new PackageNotFoundProtocolException(packageIdentity);
}
string catalogItemUrl = packageMetadata.Value <string>("@id");
HttpSourceResource httpSourceResource = await sourceRepository.GetResourceAsync <HttpSourceResource>(cancellationToken).ConfigureAwait(false);
JObject catalogItem = await httpSourceResource.HttpSource.GetJObjectAsync(new HttpSourceRequest(catalogItemUrl, NullLogger.Instance), NullLogger.Instance, cancellationToken).ConfigureAwait(false);
return(catalogItem.Value <long>("packageSize"));
}
catch (Exception ex) when(ex is FatalProtocolException || ex is HttpRequestException)
{
return(0);
}
}
}
private Task <JObject> GetPackageFromIndexAsync(PackageIdentity package, ILogger log, CancellationToken token)
{
// If the registration index is missing, this will return null.
return(_registration.GetPackageMetadata(package, NullSourceCacheContext.Instance, log, token));
}
