/// <summary>
/// Calculates a new CompatabilityHash based on the specified networkVersion and
/// the list of loaded plugins
/// </summary>
/// <param name="engine">FrooxEngine reference</param>
/// <param name="networkVersion">the current network version from which to base the CompatabilityHash. -1 Means the value is determined automatically</param>
/// <param name="loadedPlugins">additionally loaded assemblies, to factor into the CompatabilityHash</param>
public static void OverrideHash(Engine engine, int networkVersion = -1, string versionString = null, Dictionary <string, string> loadedPlugins = null)
{
MD5CryptoServiceProvider csp = new MD5CryptoServiceProvider();
ConcatenatedStream hashStream = new ConcatenatedStream();
if (networkVersion == -1)
{
networkVersion = GetCurrentVersion();
}
hashStream.EnqueueStream(new MemoryStream(BitConverter.GetBytes(networkVersion)));
if (loadedPlugins != null)
{
string PluginsBase = PathUtility.GetDirectoryName(Assembly.GetExecutingAssembly().Location) + "\\Plugins\\";
foreach (string assemblyPath in loadedPlugins.Keys)
{
try
{
FileStream fileStream = File.OpenRead(PluginsBase + assemblyPath);
fileStream.Seek(375L, SeekOrigin.Current);
hashStream.EnqueueStream(fileStream);
}
catch
{
UniLog.Log("Failed to load assembly for hashing: " + PluginsBase + assemblyPath);
}
}
}
AssemblyName currentAssemblyName = Assembly.GetExecutingAssembly().GetName();
SetHash(Convert.ToBase64String(csp.ComputeHash(hashStream)), versionString ?? (currentAssemblyName.Name + "-" + currentAssemblyName.Version), engine);
}
public void CanReadTest()
{
ConcatenatedStream cStream = new ConcatenatedStream(streamSampleOne, streamSampleTwo, streamSampleThree);
int totalLength = sampleStreamSize * 2;
List <byte> output = new List <byte>();
while (cStream.CanRead)
{
output.Add((byte)cStream.ReadByte());
}
Assert.IsTrue(
output.Take(sampleStreamSize).SequenceEqual(streamSampleOne.ToArray()),
"First array does not match");
Assert.IsTrue(
output.Skip(sampleStreamSize).Take(sampleStreamSize).SequenceEqual(streamSampleTwo.ToArray()),
"Second array does not match");
Assert.IsTrue(
output.Skip(sampleStreamSize * 2).Take(sampleStreamSize).SequenceEqual(streamSampleThree.ToArray()),
"Third array does not match");
}
private void SendResponse()
{
var statusCode = response.Status;
var responseBody = ProcessRanges(response, ref statusCode);
var responseStream = new ConcatenatedStream();
try {
var headerBlock = new StringBuilder();
headerBlock.AppendFormat(
"HTTP/1.1 {0} {1}\r\n",
(uint)statusCode,
HttpPhrases.Phrases[statusCode]
);
headerBlock.Append(response.Headers.HeaderBlock);
headerBlock.Append(CRLF);
var headerStream = new MemoryStream(
Encoding.ASCII.GetBytes(headerBlock.ToString()));
responseStream.AddStream(headerStream);
if (Method != "HEAD" && responseBody != null)
{
responseStream.AddStream(responseBody);
responseBody = null;
}
DebugFormat("{0} - {1} response for {2}", this, (uint)statusCode, Path);
state = HttpStates.Writing;
var sp = new StreamPump(responseStream, stream, BUFFER_SIZE);
sp.Pump((pump, result) =>
{
pump.Input.Close();
pump.Input.Dispose();
if (result == StreamPumpResult.Delivered)
{
DebugFormat("{0} - Done writing response", this);
string conn;
if (Headers.TryGetValue("connection", out conn) &&
conn.ToUpperInvariant() == "KEEP-ALIVE")
{
ReadNext();
return;
}
}
else
{
DebugFormat("{0} - Client aborted connection", this);
}
Close();
});
}
catch (Exception) {
responseStream.Dispose();
throw;
}
finally {
responseBody?.Dispose();
}
}
public void CanCatenateSingleStream()
{
var buffer = new byte[5];
var one = new MemoryStream(new byte[] { 1, 2, 3, 4, 5 });
var concatenated = new ConcatenatedStream(new Stream[] { one });
concatenated.Read(buffer, 0, 5);
Assert.Equal(new byte[] { 1, 2, 3, 4, 5 }, buffer);
}
public void Create_Empty()
{
var stream = new ConcatenatedStream();
Assert.AreEqual(0, stream.Length);
Assert.AreEqual(0, stream.Position);
stream = new ConcatenatedStream(new List <Stream>());
Assert.AreEqual(0, stream.Length);
Assert.AreEqual(0, stream.Position);
}
public void CanConcatenateTwoStreams()
{
byte[] buffer = new byte[10];
var one = new MemoryStream(new byte[] { 1, 2, 3, 4, 5 });
var two = new MemoryStream(new byte[] { 6, 7, 8, 9, 10 });
var concatenated = new ConcatenatedStream(new Stream[] { one, two });
concatenated.Read(buffer, 0, 10);
Assert.Equal(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 }, buffer);
}
public void CanConcatenateThreeStreams()
{
byte[] buffer = new byte[15];
var one = new MemoryStream(new byte[] { 1, 2, 3, 4, 5 });
var two = new MemoryStream(new byte[] { 6, 7, 8, 9, 10 });
var three = new MemoryStream(new byte[] { 11, 12, 13, 14, 15 });
var concatenated = new ConcatenatedStream(new Stream[] { one, two, three });
concatenated.Read(buffer, 0, 15);
Assert.Equal(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }, buffer);
}
public void InitializeTests()
{
stream1 = Bio.RandomStream(32);
stream2 = Bio.RandomStream(16);
combinedLength = stream1.Length + stream2.Length;
combinedData = new byte[combinedLength];
stream1.Read(combinedData, 0, (int)stream1.Length);
stream2.Read(combinedData, (int)stream1.Length, (int)stream2.Length);
stream1.MoveToStart();
stream2.MoveToStart();
concatenated = new ConcatenatedStream(stream1, stream2);
}
public Stream Encrypt(out byte[] dataKey, Stream plaintextStream, IDictionary <string, string> context)
{
byte[] plaintextKey;
_dataKeyProvider.GenerateKey(_config.KeyBits, out plaintextKey, out dataKey, context);
ISymmetricAlgorithm algo = null;
try
{
algo = _algorithmFactory.CreateAlgorithm(_config);
algo.Key = plaintextKey;
algo.GenerateIV();
// All these hoops with the concatenated streams, StreamWithDisposable, etc.
// are to support: using (Stream foo = provider.Encrypt(...)) {...}
ICryptoTransform encryptor = algo.CreateEncryptor();
Stream ivStream = new MemoryStream(algo.IV);
Stream cryptoStream = new CryptoStream(plaintextStream, encryptor, CryptoStreamMode.Read);
Stream streamPair = new ConcatenatedStream(ivStream, cryptoStream);
// when this stream is disposed, so will be all of its constituent streams,
// plus the algorithm and the encryptor.
return(new StreamWithDisposables(streamPair, new IDisposable[] { algo, encryptor }));
}
catch (Exception e)
{
// If we had trouble creating the stream, destroy the algorithm to prevent the key leaking.
if (algo != null)
{
try
{
algo.Dispose();
}
catch (Exception disposalException)
{
throw new AggregateException(e, disposalException);
}
}
throw;
}
}
public void ReadAllTest()
{
ConcatenatedStream cStream = new ConcatenatedStream(streamSampleOne, streamSampleTwo, streamSampleThree);
int totalLength = sampleStreamSize * 3;
byte[] output = new byte[totalLength];
cStream.Read(output, 0, totalLength);
Assert.IsTrue(
output.Take(sampleStreamSize).SequenceEqual(streamSampleOne.ToArray()),
"First array does not match");
Assert.IsTrue(
output.Skip(sampleStreamSize).Take(sampleStreamSize).SequenceEqual(streamSampleTwo.ToArray()),
"Second array does not match");
Assert.IsTrue(
output.Skip(sampleStreamSize * 2).Take(sampleStreamSize).SequenceEqual(streamSampleThree.ToArray()),
"Third array does not match");
}
private void SendResponse()
{
var responseBody = response.Body;
var st = response.Status;
var contentLength = GetContentLengthFromStream(responseBody);
string ar;
if (st == HttpCodes.OK && contentLength > 0 && headers.TryGetValue("Range", out ar))
{
try {
var m = bytes.Match(ar);
if (!m.Success)
{
throw new InvalidDataException("Not parsed!");
}
var totalLength = contentLength;
var start = 0L;
var end = totalLength - 1;
if (!long.TryParse(m.Groups[1].Value, out start) || start < 0)
{
throw new InvalidDataException("Not parsed");
}
if (m.Groups.Count != 3 || !long.TryParse(m.Groups[2].Value, out end) || end <= start || end >= totalLength)
{
end = totalLength - 1;
}
if (start >= end)
{
responseBody.Close();
response = Error416.HandleRequest(this);
SendResponse();
return;
}
if (start > 0)
{
responseBody.Seek(start, SeekOrigin.Current);
}
contentLength = end - start + 1;
response.Headers["Content-Length"] = contentLength.ToString();
response.Headers.Add("Content-Range", String.Format("bytes {0}-{1}/{2}", start, end, totalLength));
st = HttpCodes.PARTIAL;
}
catch (Exception ex) {
Warn(String.Format("{0} - Failed to process range request!", this), ex);
}
}
var hb = new StringBuilder();
hb.AppendFormat("HTTP/1.1 {0} {1}\r\n", (uint)st, HttpPhrases.Phrases[st]);
hb.Append(response.Headers.HeaderBlock);
hb.Append("\r\n");
var rs = new ConcatenatedStream();
try {
var headerStream = new MemoryStream(Encoding.ASCII.GetBytes(hb.ToString()));
rs.AddStream(headerStream);
if (method != "HEAD" && responseBody != null)
{
rs.AddStream(responseBody);
}
InfoFormat("{0} - {1} response for {2}", this, (uint)st, path);
state = HttpStates.WRITING;
new StreamPump(rs, stream, (pump, result) =>
{
pump.Input.Close();
pump.Input.Dispose();
if (result == StreamPumpResult.Delivered)
{
DebugFormat("{0} - Done writing response", this);
string conn;
if (headers.TryGetValue("connection", out conn) && conn.ToLower() == "keep-alive")
{
ReadNext();
return;
}
}
Close();
}, BUFFER_SIZE);
}
catch (Exception) {
rs.Dispose();
throw;
}
}
/// <inheritdoc/>
public HashResult HashZippedBeatmap(string zipPath, CancellationToken cancellationToken)
{
if (string.IsNullOrEmpty(zipPath))
{
throw new ArgumentNullException(nameof(zipPath));
}
if (cancellationToken.IsCancellationRequested)
{
return(HashResult.AsCanceled);
}
bool missingDiffs = false;
string?message = null;
if (!File.Exists(zipPath))
{
return(new HashResult(null, $"File doesn't exist: '{zipPath}'", new FileNotFoundException($"File doesn't exist: '{zipPath}'")));
}
ZipArchive?zip = null;
try
{
try
{
zip = ZipFile.OpenRead(zipPath);
}
catch (Exception ex)
{
return(new HashResult(null, $"Unable to hash beatmap zip '{zipPath}': {ex.Message}", ex));
}
ZipArchiveEntry?infoFile = zip.Entries.FirstOrDefault(e => e.FullName.Equals("info.dat", StringComparison.OrdinalIgnoreCase));
if (infoFile == null)
{
return(new HashResult(null, $"Could not find 'info.dat' file in '{zipPath}'", null));
}
JObject?token = null;
using (Stream info = infoFile.Open())
using (StreamReader reader = new StreamReader(info))
using (JsonTextReader jsonReader = new JsonTextReader(reader))
{
token = JsonSerializer.Deserialize <JObject>(jsonReader);
}
if (token == null)
{
return(new HashResult(null, $"Could not read 'info.dat' file in '{zipPath}'", null));
}
if (cancellationToken.IsCancellationRequested)
{
return(HashResult.AsCanceled);
}
using Stream infoStream = infoFile.Open();
string[] beatmapFiles = Utilities.GetDifficultyFileNames(token).ToArray();
using ConcatenatedStream streams = new ConcatenatedStream(beatmapFiles.Length + 1);
streams.Append(infoStream);
for (int i = 0; i < beatmapFiles.Length; i++)
{
if (cancellationToken.IsCancellationRequested)
{
return(HashResult.AsCanceled);
}
ZipArchiveEntry?diff = zip.Entries.FirstOrDefault(e => e.FullName.Equals(beatmapFiles[i], StringComparison.OrdinalIgnoreCase));
if (diff == null)
{
if (missingDiffs == false)
{
message = $"Could not find difficulty file '{beatmapFiles[i]}' in '{zipPath}'";
}
else
{
message = $"Missing multiple difficulty files in '{zipPath}'";
}
missingDiffs = true;
continue;
}
streams.Append(diff.Open());
}
if (cancellationToken.IsCancellationRequested)
{
return(HashResult.AsCanceled);
}
string?hash = null;
if (streams.StreamCount > 0)
{
hash = Utilities.CreateSha1FromStream(streams);
}
return(new HashResult(hash, message, null));
}
catch (Exception ex)
{
return(new HashResult(null, $"Error hashing '{zipPath}'", ex));
}
finally
{
zip?.Dispose();
}
}