public NotifyReadStream(Stream InInner, NotifyReadDelegate InNotifyRead)
		{
			Inner = InInner;
			NotifyRead = InNotifyRead;
			TotalRead = 0;
		}
Esempio n. 2
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 public NotifyReadStream(Stream InInner, NotifyReadDelegate InNotifyRead)
 {
     Inner      = InInner;
     NotifyRead = InNotifyRead;
     TotalRead  = 0;
 }
Esempio n. 3
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        static void DownloadFileAndVerifyHash(string Url, string ProxyUrl, string PackFileName, string ExpectedHash, NotifyReadDelegate NotifyRead)
        {
            // Create the web request
            WebRequest Request = WebRequest.Create(Url);

            if (String.IsNullOrEmpty(ProxyUrl))
            {
                Request.Proxy = null;
            }
            else
            {
                Request.Proxy = new WebProxy(ProxyUrl);
            }

            // Get the response
            using (WebResponse Response = Request.GetResponse())
            {
                // Download the file, decompressing and hashing it as we go
                SHA1Managed Hasher = new SHA1Managed();
                using (FileStream OutputStream = File.OpenWrite(PackFileName))
                {
                    CryptoStream HashOutputStream = new CryptoStream(OutputStream, Hasher, CryptoStreamMode.Write);
                    using (NotifyReadStream InputStream = new NotifyReadStream(Response.GetResponseStream(), NotifyRead))
                    {
                        GZipStream DecompressedStream = new GZipStream(InputStream, CompressionMode.Decompress, true);
                        DecompressedStream.CopyTo(HashOutputStream);
                    }
                    HashOutputStream.FlushFinalBlock();
                }

                // Check the hash was what we expected
                string Hash = BitConverter.ToString(Hasher.Hash).ToLower().Replace("-", "");
                if (Hash != ExpectedHash)
                {
                    throw new InvalidDataException(String.Format("Incorrect hash for {0} - expected {1}, got {2}", Url, ExpectedHash, Hash));
                }
            }
        }