public async Task EnsureDisposeWorks()
{
FieldInfo f;
byte[] key = EncryptionHelpers.CreateEncryptionKey();
using (MemoryStream ms = new MemoryStream())
{
CryptographicStream s = await EncryptionHelpers.GetEncryptionStreamAsync(key, ms);
f = s.GetType().GetField("_underlyingStream", BindingFlags.NonPublic | BindingFlags.Instance);
Assert.NotNull(f.GetValue(s));
s.Dispose();
Assert.Null(f.GetValue(s));
}
}
/// <summary>
/// Opens a read-only stream to the given blob path.
/// </summary>
public override async Task <Stream?> GetBlobReadStreamAsync(string path)
{
Stream?underlying = await base.GetBlobReadStreamAsync(path);
if (underlying == null)
{
return(null);
}
else
{
Stream seekable = new MemoryStream();
using (CryptographicStream s = await EncryptionHelpers.GetDecryptionStreamAsync(_encryptionKey, underlying))
{
await s.CopyToAsync(seekable);
seekable.Seek(0, SeekOrigin.Begin);
}
return(seekable);
}
}