/// <summary>
/// Download the nupkg to a folder.
/// </summary>
protected async Task <FileInfo> DownloadNupkgAsync(string outputDirectory, DownloadMode mode, DateTimeOffset date, CancellationToken token)
{
using (var stream = await GetNupkgAsync(token))
{
var path = new FileInfo(Path.Combine(outputDirectory, $"{FileBaseName}.nupkg"));
await CatalogReaderUtility.DownloadFileAsync(stream, path, date, mode, token);
return(path);
}
}
/// <summary>
/// Download the nuspec to a directory.
/// </summary>
public async Task <FileInfo> DownloadNuspecAsync(string outputDirectory, DownloadMode mode, CancellationToken token)
{
using (var stream = await GetNupkgAsync(token))
{
var path = new FileInfo(Path.Combine(outputDirectory, $"{FileBaseName}.nuspec".ToLowerInvariant()));
await CatalogReaderUtility.DownloadFileAsync(stream, path, CommitTimeStamp, mode, token);
return(path);
}
}
internal static Task <JObject> GetJObjectAsync(this HttpSource source, Uri uri, HttpSourceCacheContext cacheContext, ILogger log, CancellationToken token)
{
var cacheKey = GetHashKey(uri);
var request = new HttpSourceCachedRequest(uri.AbsoluteUri, cacheKey, cacheContext)
{
EnsureValidContents = stream => CatalogReaderUtility.LoadJson(stream, true),
IgnoreNotFounds = false
};
return(source.GetAsync(request, ProcessJson, log, token));
}
private async Task EnsureHttpSourceAsync()
{
if (_httpSource == null)
{
var handlerResource = await CatalogReaderUtility.GetHandlerAsync(_indexUri, _messageHandler);
var packageSource = new PackageSource(_indexUri.AbsoluteUri);
_httpSource = new HttpSource(
packageSource,
() => Task.FromResult((HttpHandlerResource)handlerResource),
NullThrottle.Instance);
if (string.IsNullOrEmpty(UserAgent.UserAgentString) ||
new UserAgentStringBuilder().Build()
.Equals(UserAgent.UserAgentString, StringComparison.Ordinal))
{
// Set the user agent string if it was not already set.
var userAgent = new UserAgentStringBuilder("NuGet.CatalogReader");
UserAgent.SetUserAgentString(userAgent);
}
}
}
private static Task <JObject> ProcessJson(HttpSourceResult result)
{
return(CatalogReaderUtility.LoadJsonAsync(result.Stream, false));
}
/// <summary>
/// Clear the HttpCacheFolder cache folder.
/// Use this to free up space when downloading large numbers of packages.
/// </summary>
public void ClearCache()
{
CatalogReaderUtility.DeleteDirectoryFiles(HttpCacheFolder);
}