public static int Main(string[] args)
{
try
{
Console.WriteLine("NuGet bootstrapper {0}", typeof(Program).Assembly.GetName().Version);
// Setup the proxy for gallery requests
Uri galleryUri = new Uri(GalleryUrl);
// Register a console based credentials provider so that the user get's prompted if a password
// is required for the proxy
HttpClient.DefaultCredentialProvider = new ConsoleCredentialProvider();
// Setup IHttpClient for the Gallery to locate packages
var httpClient = new HttpClient(galleryUri);
// Get the package from the feed
var repository = new DataServicePackageRepository(httpClient);
var packageMetadata = repository.GetPackages().Where(p => p.Id.ToLower() == NuGetCommandLinePackageId)
.AsEnumerable()
.OrderByDescending(p => Version.Parse(p.Version))
.FirstOrDefault();
if (packageMetadata != null)
{
Console.WriteLine("Found NuGet.exe version {0}.", packageMetadata.Version);
Console.WriteLine("Downloading...");
Uri uri = repository.GetReadStreamUri(packageMetadata);
var downloadClient = new HttpClient(uri);
var packageStream = new MemoryStream(downloadClient.DownloadData());
using (Package package = Package.Open(packageStream))
{
var fileUri = PackUriHelper.CreatePartUri(new Uri(NuGetExeFilePath, UriKind.Relative));
PackagePart nugetExePart = package.GetPart(fileUri);
if (nugetExePart != null)
{
// Get the exe path and move it to a temp file (NuGet.exe.old) so we can replace the running exe with the bits we got
// from the package repository
string exePath = typeof(Program).Assembly.Location;
string renamedPath = exePath + ".old";
Move(exePath, renamedPath);
// Update the file
UpdateFile(exePath, nugetExePart);
Console.WriteLine("Update complete.");
}
}
}
return 0;
}
catch (Exception e)
{
WriteError(e);
}
return 1;
}
public virtual void DownloadPackage(Uri uri, IPackageMetadata package, Stream targetStream)
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
var downloadClient = new HttpClient(uri)
{
UserAgent = HttpUtility.CreateUserAgentString(DefaultUserAgentClient)
};
DownloadPackage(downloadClient, package, targetStream);
}
public HttpClient get_client(string baseUrl, string path, string method, string contentType)
{
this.Log().Debug(() => "Getting httpclient for '{0}' with '{1}'".format_with(baseUrl, path));
Uri requestUri = get_service_endpoint_url(baseUrl, path);
var client = new HttpClient(requestUri)
{
ContentType = contentType,
Method = method,
UserAgent = "{0}/{1}".format_with(ApplicationParameters.Name, ApplicationParameters.FileVersion)
};
return client;
}
private Uri GetResponseUri(HttpClient client)
{
using (WebResponse response = client.GetResponse())
{
if (response == null)
{
throw new InvalidOperationException(
String.Format(CultureInfo.CurrentCulture,
NuGetResources.UnableToResolveUri,
Uri));
}
return response.ResponseUri;
}
}
public virtual IPackage DownloadPackage(Uri uri, IPackageMetadata package)
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
if (package == null)
{
throw new ArgumentNullException("package");
}
var downloadClient = new HttpClient(uri)
{
UserAgent = HttpUtility.CreateUserAgentString(DefaultUserAgentClient)
};
return DownloadPackage(downloadClient, package);
}
private HttpClient GetClient(string path, string method, string contentType)
{
var baseUrl = _baseUri.Value;
Uri requestUri = GetServiceEndpointUrl(baseUrl, path);
var client = new HttpClient(requestUri)
{
ContentType = contentType,
Method = method
};
if (!String.IsNullOrEmpty(_userAgent))
{
client.UserAgent = HttpUtility.CreateUserAgentString(_userAgent);
}
return client;
}
public IPackage DownloadPackage(Uri uri, byte[] packageHash, IPackageMetadata package)
{
if (uri == null)
{
throw new ArgumentNullException("uri");
}
if (packageHash == null)
{
throw new ArgumentNullException("packageHash");
}
if (package == null)
{
throw new ArgumentNullException("package");
}
var downloadClient = new HttpClient(uri);
downloadClient.UserAgent = HttpUtility.CreateUserAgentString(DefaultUserAgentClient);
return DownloadPackage(downloadClient, packageHash, package);
}
public static int Main(string[] args)
{
string _exePath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), @"NuGet\NuGet.exe");
try
{
var processInfo = new ProcessStartInfo(_exePath)
{
UseShellExecute = false,
WorkingDirectory = Environment.CurrentDirectory
};
if (!File.Exists(_exePath))
{
// Register a console based credentials provider so that the user get's prompted if a password
// is required for the proxy
HttpClient.DefaultCredentialProvider = new ConsoleCredentialProvider();
// Setup IHttpClient for the Gallery to locate packages
var httpClient = new HttpClient(new Uri("http://nuget.org/NuGet.exe"));
httpClient.UserAgent = "Bootstrapper/" + typeof(Program).Assembly.GetName().Version;
File.WriteAllBytes(_exePath, httpClient.DownloadData());
}
else if ((DateTime.UtcNow - File.GetLastWriteTime(_exePath)).TotalDays > 10)
{
// Check for updates to the exe every 10 days
processInfo.Arguments = "update -self";
RunProcess(processInfo);
File.SetLastAccessTimeUtc(_exePath, DateTime.UtcNow);
}
processInfo.Arguments = ParseArgs();
RunProcess(processInfo);
return 0;
}
catch (Exception e)
{
WriteError(e);
}
return 1;
}
private void InitializeRedirectedClient()
{
// Cache an internal HttpClient object so that
// we don't have to go through the forwarding link
// every single time thus slowing down the connection to the
// original source.
if (null == _cachedRedirectClient) {
IHttpClient originalClient = new HttpClient(_originalUri, Proxy);
WebRequest request = originalClient.CreateRequest();
using (WebResponse response = request.GetResponse()) {
if (null == response) {
throw new InvalidOperationException(
string.Format(
CultureInfo.CurrentCulture,
"Unable to get a valid response for link: {0}",
Uri.OriginalString));
}
_cachedRedirectClient = new HttpClient(response.ResponseUri);
}
}
}
public void RunFromGallery()
{
Directory.CreateDirectory(_targetDirectory);
var client = new HttpClient(DeveloperFeed);
client.SendingRequest += (sender, e) =>
{
e.Request.Credentials = _credentials;
e.Request.PreAuthenticate = true;
};
var remoteRepo = new DataServicePackageRepository(client);
var targetRepo = new LocalPackageRepository(_targetDirectory);
var packages = remoteRepo.GetPackages()
.Where(p => p.IsAbsoluteLatestVersion)
.ToList();
Parallel.ForEach(packages,
new ParallelOptions { MaxDegreeOfParallelism = 4 },
package =>
{
// Some packages are updated without revving the version. We'll only opt not to re-download
// a package if an identical version does not exist on disk.
var existingPackage = targetRepo.FindPackage(package.Id, package.Version);
var dataServicePackage = (DataServicePackage)package;
if (existingPackage == null ||
!existingPackage.GetHash(dataServicePackage.PackageHashAlgorithm).Equals(dataServicePackage.PackageHash, StringComparison.Ordinal))
{
Trace.WriteLine(string.Format("{0}: Adding package {1}", DateTime.Now, package.GetFullName()));
var packagePath = GetPackagePath(package);
using (var input = package.GetStream())
using (var output = File.Create(packagePath))
{
input.CopyTo(output);
}
PurgeOldVersions(targetRepo, package);
}
});
}
private static WebRequest CreateRequest(Uri uri)
{
IHttpClient client = new HttpClient(uri);
WebRequest request = client.CreateRequest();
return request;
}
private static void EnsureSuccessfulResponse(HttpClient client)
{
WebResponse response = null;
try
{
response = client.GetResponse();
}
catch (WebException e)
{
if (e.Response == null)
{
throw;
}
response = e.Response;
var httpResponse = (HttpWebResponse)e.Response;
if (httpResponse != null && !AcceptableStatusCodes.Contains(httpResponse.StatusCode))
{
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, NuGetResources.PackageServerError, httpResponse.StatusDescription, e.Message), e);
}
}
finally
{
if (response != null)
{
response.Close();
response = null;
}
}
}
static Stream GetResponseStream (Uri uri)
{
if (uri.IsFile) {
var request = WebRequest.Create (uri);
return request.GetResponse ().GetResponseStream ();
}
var httpClient = new HttpClient (uri);
return httpClient.GetResponse ().GetResponseStream ();
}
/// <summary>
/// Ensures that success response is received.
/// </summary>
/// <param name="client">The client that is making the request.</param>
/// <param name="expectedStatusCode">The exected status code.</param>
/// <returns>True if success response is received; false if redirection response is received.
/// In this case, _baseUri will be updated to be the new redirected Uri and the requrest
/// should be retried.</returns>
private bool EnsureSuccessfulResponse(HttpClient client, HttpStatusCode? expectedStatusCode = null)
{
HttpWebResponse response = null;
try
{
response = (HttpWebResponse)client.GetResponse();
if (response != null &&
((expectedStatusCode.HasValue && expectedStatusCode.Value != response.StatusCode) ||
// If expected status code isn't provided, just look for anything 400 (Client Errors) or higher (incl. 500-series, Server Errors)
// 100-series is protocol changes, 200-series is success, 300-series is redirect.
(!expectedStatusCode.HasValue && (int)response.StatusCode >= 400)))
{
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, NuGetResources.PackageServerError, response.StatusDescription, String.Empty));
}
return true;
}
catch (WebException e)
{
if (e.Response == null)
{
throw;
}
response = (HttpWebResponse)e.Response;
// Check if the error is caused by redirection
if (response.StatusCode == HttpStatusCode.MultipleChoices ||
response.StatusCode == HttpStatusCode.MovedPermanently ||
response.StatusCode == HttpStatusCode.Found ||
response.StatusCode == HttpStatusCode.SeeOther ||
response.StatusCode == HttpStatusCode.TemporaryRedirect)
{
var location = response.Headers["Location"];
Uri newUri;
if (!Uri.TryCreate(client.Uri, location, out newUri))
{
throw;
}
_baseUri = new Lazy<Uri>(() => newUri);
return false;
}
if (expectedStatusCode != response.StatusCode)
{
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, NuGetResources.PackageServerError, response.StatusDescription, e.Message), e);
}
return true;
}
finally
{
if (response != null)
{
response.Close();
response = null;
}
}
}
/// <summary>
/// Do not use cached credentials for the first request sent to a package source.
///
/// Once NuGet has a valid credential for a package source it is used from that point
/// onwards. So if the user changes a valid username/password in Preferences
/// to a non-valid username/password they will not see the 'Invalid credentials'
/// warning. To workaround this caching we remove the credentials for the request
/// the first time it is sent. Also the UseDefaultCredentials is set to true.
/// This forces NuGet to get the credentials from the IPackageSourceProvider,
/// which is implemented by the RegisteredPackageSourcesViewModel, and will
/// contain the latest usernames and passwords for all package sources.
/// </summary>
HttpClient CreateHttpClient(PackageSourceViewModel packageSource)
{
var httpClient = new HttpClient (new Uri (packageSource.SourceUrl));
bool resetCredentials = true;
httpClient.SendingRequest += (sender, e) => {
if (resetCredentials && packageSource.HasPassword ()) {
resetCredentials = false;
e.Request.Credentials = null;
e.Request.UseDefaultCredentials = true;
}
};
return httpClient;
}
/// <summary>
/// Ensures that success response is received.
/// </summary>
/// <param name="client">The client that is making the request.</param>
/// <param name="expectedStatusCode">The exected status code.</param>
/// <returns>
/// True if success response is received; false if redirection response is received.
/// In this case, _baseUri will be updated to be the new redirected Uri and the requrest
/// should be retried.
/// </returns>
public NuGetServiceGetClientResult ensure_successful_response(HttpClient client, HttpStatusCode? expectedStatusCode = null)
{
this.Log().Debug(() => "Reaching out to '{0}'".format_with(client.Uri.to_string()));
var result = new NuGetServiceGetClientResult
{
Success = false
};
HttpWebResponse response = null;
try
{
response = (HttpWebResponse)client.GetResponse();
result.Messages.Add(
new ResultMessage
{
MessageType = ResultType.Note,
Message = response != null ? response.StatusDescription : "Response was null"
});
if (response != null &&
((expectedStatusCode.HasValue && expectedStatusCode.Value != response.StatusCode) ||
// If expected status code isn't provided, just look for anything 400 (Client Errors) or higher (incl. 500-series, Server Errors)
// 100-series is protocol changes, 200-series is success, 300-series is redirect.
(!expectedStatusCode.HasValue && (int)response.StatusCode >= 400))) Bootstrap.handle_exception(new InvalidOperationException("Failed to process request.{0} '{1}'".format_with(Environment.NewLine, response.StatusDescription)));
else result.Success = true;
return result;
}
catch (WebException e)
{
if (e.Response == null)
{
Bootstrap.handle_exception(e);
return result;
}
response = (HttpWebResponse)e.Response;
// Check if the error is caused by redirection
if (response.StatusCode == HttpStatusCode.MultipleChoices ||
response.StatusCode == HttpStatusCode.MovedPermanently ||
response.StatusCode == HttpStatusCode.Found ||
response.StatusCode == HttpStatusCode.SeeOther ||
response.StatusCode == HttpStatusCode.TemporaryRedirect)
{
var location = response.Headers["Location"];
Uri newUri;
if (!Uri.TryCreate(client.Uri, location, out newUri))
{
Bootstrap.handle_exception(e);
return result;
}
result.RedirectUrl = newUri.ToString();
return result;
}
result.Messages.Add(
new ResultMessage
{
MessageType = ResultType.Note,
Message = response.StatusDescription
});
if (expectedStatusCode != response.StatusCode) Bootstrap.handle_exception(new InvalidOperationException("Failed to process request.{0} '{1}':{0} {2}".format_with(Environment.NewLine, response.StatusDescription, e.Message), e));
else result.Success = true;
return result;
}
finally
{
if (response != null)
{
response.Close();
response = null;
}
}
}
ImageLoadedEventArgs LoadImage (Uri uri, object state)
{
try {
var httpClient = new HttpClient (uri);
Stream stream = httpClient.GetResponse ().GetResponseStream ();
Image image = Image.FromStream (stream);
return new ImageLoadedEventArgs (image, uri, state);
} catch (Exception ex) {
return new ImageLoadedEventArgs (ex, uri, state);
}
}
protected internal virtual IHttpClient EnsureClient()
{
var originalClient = new HttpClient(_originalUri);
return new HttpClient(GetResponseUri(originalClient));
}
/// <summary>
/// </summary>
private int Run(Assembly integrationAgentAssembly, string integrationAgentExeFileName, string integrationAgentExeDirectory, string[] args)
{
var parameters = Program.ParseArguments(args);
var fileVersion = FileVersionInfo.GetVersionInfo(integrationAgentAssembly.Location).FileVersion;
if (parameters.ShowVersion || parameters.ShowHelp)
{
Console.WriteLine("IntegrationAgent v" + fileVersion);
}
if (parameters.ShowHelp)
{
Program.ShowHelp();
}
if (parameters.ShowVersion || parameters.ShowHelp)
{
return 0;
}
// Verify that assembly is signed and uses the correct key
var traceWriter = Program.CreateTraceWriter(parameters.TraceLevel);
traceWriter(TraceLevel.Verbose, "Checking assembly strong name.");
if (!integrationAgentAssembly.HasValidStrongName())
{
traceWriter(TraceLevel.Error, "Unsigned assembly!");
return 1;
}
traceWriter(TraceLevel.Verbose, "Verifying assembly signature.");
if (!integrationAgentAssembly.PublicKeyTokenEqualsTo(Token.Bytes))
{
traceWriter(TraceLevel.Error, "Invalid assembly!");
return 2;
}
// If no JSON config file name provided as paramter uses the application name
traceWriter(TraceLevel.Verbose, "Looking for JSON config file.");
var configFile = Path.Combine(integrationAgentExeDirectory, Path.GetFileNameWithoutExtension(integrationAgentExeFileName) + ".json");
if (!string.IsNullOrEmpty(parameters.Config))
{
if (!parameters.Config.EndsWith(".json"))
{
parameters.Config = parameters.Config + ".json";
}
configFile = Path.Combine(integrationAgentExeDirectory, parameters.Config);
}
// Check and reads the configuration file
var configuration = new Configuration();
if (File.Exists(configFile))
{
traceWriter(TraceLevel.Verbose, "Reading the JSON config file.");
var configJson = File.ReadAllText(configFile);
var jsonSerializer = new JavaScriptSerializer();
configuration = jsonSerializer.Deserialize<Configuration>(configJson) ?? configuration;
traceWriter(TraceLevel.Verbose, "JSON config file loaded.");
}
// Merges config file and command line parameters. Command line paramters have precedence.
configuration.package = parameters.Package ?? configuration.package;
configuration.token = parameters.Token ?? configuration.token;
configuration.repository = parameters.Repository ?? configuration.repository;
configuration.repositoryUsername = parameters.RepositoryUsername ?? configuration.repositoryUsername;
configuration.repositoryPassword = parameters.RepositoryPassword ?? configuration.repositoryPassword;
traceWriter(TraceLevel.Verbose, "Checking input parameters.");
if (string.IsNullOrWhiteSpace(configuration.package) && string.IsNullOrEmpty(configuration.token))
{
traceWriter(TraceLevel.Error, "Invalid configuration!");
return 3;
}
// Initializes NuGet repositories
traceWriter(TraceLevel.Verbose, "Initializing NuGet repositories.");
var nugetRepository = new DataServicePackageRepository(new Uri(NuGetRepository));
var aggregateRepository = new AggregateRepository(new[] { nugetRepository });
if (Uri.IsWellFormedUriString(configuration.repository, UriKind.Absolute))
{
if (!string.IsNullOrWhiteSpace(configuration.repositoryUsername) &&
!string.IsNullOrWhiteSpace(configuration.repositoryPassword))
{
HttpClient.DefaultCredentialProvider = new NugetCredentialProvider(
configuration.repositoryUsername, configuration.repositoryPassword);
}
var client = new HttpClient(new Uri(configuration.repository));
var customRepository = new DataServicePackageRepository(client);
aggregateRepository = new AggregateRepository(new[] { customRepository, nugetRepository });
}
// Perform auto-update if not disabled
if (!parameters.DisableUpdates)
{
traceWriter(TraceLevel.Verbose, "Checking for self update.");
var integrationAgentAssemblyName = integrationAgentAssembly.GetName();
var version = new SemanticVersion(integrationAgentAssemblyName.Version);
var package = aggregateRepository
.GetUpdates(new[] { new PackageName(integrationAgentAssemblyName.Name, version) }, includePrerelease: false, includeAllVersions: false)
.OrderBy(p => p.Version)
.LastOrDefault();
if (package != null && package.Version > version)
{
traceWriter(TraceLevel.Verbose, "Newer version found. Updating files.");
var filename = Path.GetFileName(integrationAgentExeFileName);
var file = package.GetFiles().FirstOrDefault(f => !string.IsNullOrEmpty(f.Path) && Path.GetFileName(f.Path).Equals(filename, StringComparison.OrdinalIgnoreCase));
if (file != null)
{
File.Delete(integrationAgentExeFileName + ".bak");
File.Move(integrationAgentExeFileName, integrationAgentExeFileName + ".bak");
using (Stream fromStream = file.GetStream(), toStream = File.Create(integrationAgentExeFileName))
{
fromStream.CopyTo(toStream);
}
Process.Start(integrationAgentExeFileName, string.Join(" ", args) + " -disableupdates");
Environment.Exit(0);
}
}
else
{
traceWriter(TraceLevel.Verbose, "Version is up to date.");
}
}
// Install the package to run including its dependencies
traceWriter(TraceLevel.Verbose, "Checking for execution package.");
var packagesPath = Path.Combine(integrationAgentExeDirectory, "packages");
var remotePackage = aggregateRepository.FindPackagesById(configuration.package).OrderBy(p => p.Version).LastOrDefault();
var localRepository = new SharedPackageRepository(packagesPath);
if (!localRepository.Exists(remotePackage))
{
traceWriter(TraceLevel.Verbose, "Execution package not found localy. Installing remote.");
var packageManager = new PackageManager(aggregateRepository, packagesPath);
packageManager.InstallPackage(remotePackage, ignoreDependencies: false, allowPrereleaseVersions: false);
}
var localPackage = localRepository.FindPackagesById(configuration.package).OrderBy(p => p.Version).LastOrDefault();
if (localPackage == null)
{
traceWriter(TraceLevel.Error, "Package not found!");
return 4;
}
// Build a dictionary list of assemblies based on assembly fully qualified name for dynamically resolving from the loaded package
traceWriter(TraceLevel.Verbose, "Resolving execution package dependencies.");
var allAssemblies = localRepository
.GetPackages()
.ToArray()
.SelectMany(p => p.AssemblyReferences.Select(a =>
{
var path = Path.Combine(packagesPath, p.Id + "." + p.Version, a.Path);
var aname = AssemblyName.GetAssemblyName(path);
return new { key = aname.FullName, value = path };
}))
.DistinctBy(i => i.key)
.ToDictionary(i => i.key, i => i.value);
AppDomain.CurrentDomain.AssemblyResolve += (sender, eventArgs) =>
{
var aname = new AssemblyName(eventArgs.Name);
if (allAssemblies.ContainsKey(aname.FullName))
{
return Assembly.LoadFile(allAssemblies[aname.FullName]);
}
return null;
};
// Run the package export delegate if found
var assemblies = localPackage.AssemblyReferences.Select(a => new AssemblyCatalog(Path.Combine(packagesPath, localPackage.Id + "." + localPackage.Version, a.Path)));
using (var catalog = new AggregateCatalog(assemblies))
using (var container = new CompositionContainer(catalog))
{
traceWriter(TraceLevel.Verbose, "Resolving execution package entry point.");
container.SatisfyImportsOnce(this);
if (this.RunAssembly == null)
{
traceWriter(TraceLevel.Error, "Execution package extry point not found!");
return 5;
}
traceWriter(TraceLevel.Verbose, "Invoking execution package extry point.");
this.RunAssembly(configuration.token, traceWriter);
traceWriter(TraceLevel.Verbose, "Execution package finished successfully.");
return 0;
}
}
private static void EnsureSuccessfulResponse(HttpClient client, HttpStatusCode? expectedStatusCode = null)
{
HttpWebResponse response = null;
try
{
response = (HttpWebResponse)client.GetResponse();
if (response != null &&
((expectedStatusCode.HasValue && expectedStatusCode.Value != response.StatusCode) ||
// If expected status code isn't provided, just look for anything 400 (Client Errors) or higher (incl. 500-series, Server Errors)
// 100-series is protocol changes, 200-series is success, 300-series is redirect.
(!expectedStatusCode.HasValue && (int)response.StatusCode >= 400)))
{
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, NuGetResources.PackageServerError, response.StatusDescription, String.Empty));
}
}
catch (WebException e)
{
if (e.Response == null)
{
throw;
}
response = (HttpWebResponse)e.Response;
if (expectedStatusCode != response.StatusCode)
{
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, NuGetResources.PackageServerError, response.StatusDescription, e.Message), e);
}
}
finally
{
if (response != null)
{
response.Close();
response = null;
}
}
}
private IHttpClient EnsureClient()
{
var originalClient = new HttpClient(_originalUri);
return new HttpClient(GetResponseUri(originalClient));
}
static Stream GetResponseStream (Uri uri)
{
WebResponse response = null;
if (uri.IsFile) {
var request = WebRequest.Create (uri);
response = request.GetResponse ();
} else {
var httpClient = new HttpClient (uri);
response = httpClient.GetResponse ();
}
var stream = new MemoryStream ();
response.GetResponseStream ().CopyTo (stream); // force the download to complete
stream.Position = 0;
return stream;
}
private static void EnsureSuccessfulResponse(HttpClient client, HttpStatusCode expectedStatusCode = HttpStatusCode.OK)
{
HttpWebResponse response = null;
try
{
response = (HttpWebResponse)client.GetResponse();
if (response != null && expectedStatusCode != response.StatusCode)
{
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, NuGetResources.PackageServerError, response.StatusDescription, String.Empty));
}
}
catch (WebException e)
{
if (e.Response == null)
{
throw;
}
response = (HttpWebResponse)e.Response;
if (expectedStatusCode != response.StatusCode)
{
throw new InvalidOperationException(String.Format(CultureInfo.CurrentCulture, NuGetResources.PackageServerError, response.StatusDescription, e.Message), e);
}
}
finally
{
if (response != null)
{
response.Close();
response = null;
}
}
}