public void HttpStreamValidation_ValidateNupkg_RejectsPartialNupkg()
{
// Arrange
using (var zipStream = new MemoryStream())
using (var stream = new MemoryStream())
{
using (var zip = new ZipArchive(zipStream, ZipArchiveMode.Create, leaveOpen: true))
{
zip.AddEntry("package.nuspec", new byte[0]);
}
zipStream.Seek(0, SeekOrigin.Begin);
var partialLength = (int)zipStream.Length - 1;
stream.Write(zipStream.ToArray(), 0, partialLength);
stream.Seek(0, SeekOrigin.Begin);
// Act & Assert
var actual = Assert.Throws <InvalidDataException>(() =>
{
HttpStreamValidation.ValidateNupkg(
Uri,
stream);
});
Assert.IsType <InvalidDataException>(actual.InnerException);
}
}
public void HttpStreamValidation_ValidateNupkg_RejectsNupkgWithBadPrefix()
{
// Arrange
using (var zipStream = new MemoryStream())
using (var stream = new MemoryStream())
{
using (var zip = new ZipArchive(zipStream, ZipArchiveMode.Create, leaveOpen: true))
{
zip.AddEntry("package.nuspec", new byte[0]);
}
zipStream.Seek(0, SeekOrigin.Begin);
var badPrefix = Encoding.ASCII.GetBytes("bad!!!");
stream.Write(badPrefix, 0, badPrefix.Length);
zipStream.CopyTo(stream);
stream.Seek(0, SeekOrigin.Begin);
// Act & Assert
var actual = Assert.Throws <InvalidDataException>(() =>
{
HttpStreamValidation.ValidateNupkg(
Uri,
stream);
});
Assert.IsType <InvalidDataException>(actual.InnerException);
}
}
public void HttpStreamValidation_ValidateNupkg_RejectsCompletelyInvalidZipNupkg()
{
// Arrange
using (var stream = new MemoryStream(Encoding.ASCII.GetBytes("not a zip!")))
{
// Act & Assert
var actual = Assert.Throws <InvalidDataException>(() =>
{
HttpStreamValidation.ValidateNupkg(
Uri,
stream);
});
Assert.IsType <InvalidDataException>(actual.InnerException);
}
}
private async Task <NupkgEntry> OpenNupkgStreamAsyncCore(PackageInfo package, CancellationToken cancellationToken)
{
for (var retry = 0; retry != 3; ++retry)
{
try
{
using (var data = await _httpSource.GetAsync(
package.ContentUri,
"nupkg_" + package.Id + "." + package.Version,
CreateCacheContext(retry),
Logger,
ignoreNotFounds: false,
ensureValidContents: stream => HttpStreamValidation.ValidateNupkg(package.ContentUri, stream),
cancellationToken: cancellationToken))
{
return(new NupkgEntry
{
TempFileName = data.CacheFileName
});
}
}
catch (TaskCanceledException) when(retry < 2)
{
// Requests can get cancelled if we got the data from elsewhere, no reason to warn.
string message = string.Format(CultureInfo.CurrentCulture, Strings.Log_CanceledNupkgDownload, package.ContentUri);
Logger.LogMinimal(message);
}
catch (Exception ex)
{
var message = string.Format(CultureInfo.CurrentCulture, Strings.Log_FailedToDownloadPackage, package.ContentUri)
+ Environment.NewLine
+ ExceptionUtilities.DisplayMessage(ex);
if (retry == 2)
{
Logger.LogError(message);
}
else
{
Logger.LogMinimal(message);
}
}
}
return(null);
}
public void HttpStreamValidation_ValidateNupkg_AcceptsMinimalNupkg()
{
// Arrange
using (var stream = new MemoryStream())
{
using (var zip = new ZipArchive(stream, ZipArchiveMode.Create, leaveOpen: true))
{
zip.AddEntry("package.nuspec", @"<?xml version=""1.0"" encoding=""utf-8""?>
<package>
</package>");
}
stream.Seek(0, SeekOrigin.Begin);
// Act & Assert
HttpStreamValidation.ValidateNupkg(
Uri,
stream);
}
}
private async Task <NupkgEntry> OpenNupkgStreamAsyncCore(RemoteSourceDependencyInfo package, CancellationToken cancellationToken)
{
for (var retry = 0; retry != 3; ++retry)
{
try
{
using (var data = await _httpSource.GetAsync(
package.ContentUri,
"nupkg_" + package.Identity.Id + "." + package.Identity.Version.ToNormalizedString(),
CreateCacheContext(retry),
Logger,
ignoreNotFounds: false,
ensureValidContents: stream => HttpStreamValidation.ValidateNupkg(package.ContentUri, stream),
cancellationToken: cancellationToken))
{
return(new NupkgEntry
{
TempFileName = data.CacheFileName
});
}
}
catch (Exception ex) when(retry < 2)
{
var message = string.Format(CultureInfo.CurrentCulture, Strings.Log_FailedToDownloadPackage, package.ContentUri)
+ Environment.NewLine
+ ExceptionUtilities.DisplayMessage(ex);
Logger.LogMinimal(message);
}
catch (Exception ex) when(retry == 2)
{
var message = string.Format(CultureInfo.CurrentCulture, Strings.Log_FailedToDownloadPackage, package.ContentUri)
+ Environment.NewLine
+ ExceptionUtilities.DisplayMessage(ex);
Logger.LogError(message);
}
}
return(null);
}
public void HttpStreamValidation_ValidateNupkg_RejectsBrokenNuspec()
{
// Arrange
using (var stream = new MemoryStream())
{
using (var zip = new ZipArchive(stream, ZipArchiveMode.Create, leaveOpen: true))
{
zip.AddEntry("package.nuspec", new byte[0]);
}
stream.Seek(0, SeekOrigin.Begin);
// Act & Assert
var actual = Assert.Throws <InvalidDataException>(() =>
{
HttpStreamValidation.ValidateNupkg(
Uri,
stream);
});
Assert.IsType <XmlException>(actual.InnerException);
}
}