public V3SourceRepository(PackageSource source, string host)
{
_source = source;
_root = new Uri(source.Url);
// TODO: Get context from current UI activity (PowerShell, Dialog, etc.)
_userAgent = UserAgentUtil.GetUserAgent("NuGet.Client", host);
_http = new System.Net.Http.HttpClient(
new TracingHttpHandler(
NuGetTraceSources.V3SourceRepository,
new SetUserAgentHandler(
_userAgent,
new HttpClientHandler())));
// Check if we should disable the browser file cache
FileCacheBase cache = new BrowserFileCache();
if (String.Equals(Environment.GetEnvironmentVariable("NUGET_DISABLE_IE_CACHE"), "true", StringComparison.OrdinalIgnoreCase))
{
cache = new NullFileCache();
}
cache = new NullFileCache(); // +++ Disable caching for testing
_client = new DataClient(
_http,
cache);
}
private static async Task<bool> IsV2Async(PackageSource source)
{
var url = new Uri(source.Url);
if (url.IsFile || url.IsUnc)
{
return true;
}
using (var client = new Data.DataClient())
{
var result = await client.GetFile(url);
if (result == null)
{
return false;
}
var raw = result.Value<string>("raw");
if (raw != null && raw.IndexOf("Packages", StringComparison.OrdinalIgnoreCase) != -1)
{
return true;
}
return false;
}
}
public AutoDetectSourceRepository(
PackageSource source,
string host,
IPackageRepositoryFactory repoFactory)
{
_source = source;
_host = host;
_v2RepoFactory = repoFactory;
_lock = new SemaphoreSlim(1);
}
public override async Task<Resource> Create(PackageSource source)
{
var resource = await base.Create(source);
if (resource != null)
{
var v2DownloadResource = new V2DownloadResource((V2Resource)resource);
return v2DownloadResource;
}
else
{
return null;
}
}
private static SourceRepository CreateRepo(PackageSource source)
{
// For now, be awful. Detect V3 via the source URL itself
Uri url;
if (Uri.TryCreate(source.Source, UriKind.RelativeOrAbsolute, out url) &&
StringComparer.OrdinalIgnoreCase.Equals(NuGetV3PreviewSource.Source, url.ToString()))
{
return new V3SourceRepository(new Client.PackageSource(source.Name, source.Source) , CommandLineConstants.UserAgent);
}
return null;
//return new V2SourceRepository(source, _repoFactory.CreateRepository(source.Url), HostName);
}
public V2SourceRepository(PackageSource source, IPackageRepository repository, string host)
{
_source = source;
_repository = repository;
// TODO: Get context from current UI activity (PowerShell, Dialog, etc.)
_userAgent = UserAgentUtil.GetUserAgent("NuGet.Client.Interop", host);
var events = _repository as IHttpClientEvents;
if (events != null)
{
events.SendingRequest += (sender, args) =>
{
var httpReq = args.Request as HttpWebRequest;
if (httpReq != null)
{
httpReq.UserAgent = _userAgent;
}
NuGetTraceSources.V2SourceRepository.Verbose("http", "{0} {1}", args.Request.Method, args.Request.RequestUri.ToString());
};
}
_lprepo = _repository as LocalPackageRepository;
}
private static async Task<bool> IsV3Async(PackageSource source)
{
var url = new Uri(source.Url);
if (url.IsFile || url.IsUnc)
{
return File.Exists(url.LocalPath);
}
using (var client = new Data.DataClient())
{
var v3index = await client.GetFile(url);
if (v3index == null)
{
return false;
}
var status = v3index.Value<string>("version");
if (status != null && status.StartsWith("3.0"))
{
return true;
}
return false;
}
}
public bool IsPackageSourceEnabled(PackageSource source)
{
return source.IsEnabled;
}
public void DisablePackageSource(PackageSource source)
{
throw new NotSupportedException();
}
/// <summary> /// Changes the active source to the specified source. /// </summary> /// <param name="newSource"></param> public abstract void ChangeActiveSource(PackageSource newSource);
public abstract SourceRepository CreateSourceRepository(PackageSource packageSource);