public byte[] SerializeAvro(InheritedEntityAvro thisObj)
{
using (var ms = new MemoryStream())
{
var enc = new BinaryEncoder(ms);
var writer = new SpecificDefaultWriter(InheritedEntityAvro._SCHEMA); // Schema comes from pre-compiled, code-gen phase
writer.Write(thisObj, enc);
return ms.ToArray();
}
}
public void testEnumMismatch()
{
Schema actual = Schema.Parse
("{\"type\":\"enum\",\"name\":\"E\",\"symbols\":[\"X\",\"Y\"]}");
Schema expected = Schema.Parse
("{\"type\":\"enum\",\"name\":\"E\",\"symbols\":[\"Y\",\"Z\"]}");
MemoryStream iostr = new MemoryStream();
DatumWriter writer = new DatumWriter(actual);
BinaryEncoder encoder = new BinaryEncoder(iostr);
writer.write("Y", encoder);
writer.write("X", encoder);
byte[] data = iostr.ToArray();
throw new NotImplementedException();
//BinaryDecoder decoder = new BinaryDecoder(
//Decoder decoder = BinaryDecoder.CreateBinaryDecoder(
// data, null);
//DatumReader<String> input = new GenericDatumReader<String>(actual, expected);
//Assert.AreEqual(input.Read(null, decoder), "Wrong value", "Y");
//try
//{
// input.Read(null, decoder);
// Assert.Fail("Should have thrown exception.");
//}
//catch (AvroTypeException e)
//{
// // expected
//}
}
/// <summary>
/// Sends a OpenSecureChannel response.
/// </summary>
protected BufferCollection WriteAsymmetricMessage(
uint messageType,
uint requestId,
X509Certificate2 senderCertificate,
X509Certificate2 receiverCertificate,
ArraySegment<byte> messageBody)
{
bool success = false;
BufferCollection chunksToSend = new BufferCollection();
byte[] buffer = BufferManager.TakeBuffer(SendBufferSize, "WriteAsymmetricMessage");
try
{
int headerSize = GetAsymmetricHeaderSize(SecurityPolicyUri, senderCertificate);
int signatureSize = GetAsymmetricSignatureSize(senderCertificate);
BinaryEncoder encoder = new BinaryEncoder(buffer, 0, SendBufferSize, Quotas.MessageContext);
WriteAsymmetricMessageHeader(
encoder,
messageType | TcpMessageType.Intermediate,
ChannelId,
SecurityPolicyUri,
senderCertificate,
receiverCertificate);
// save the header.
ArraySegment<byte> header = new ArraySegment<byte>(buffer, 0, headerSize);
// calculate the space available.
int plainTextBlockSize = GetPlainTextBlockSize(receiverCertificate);
int cipherTextBlockSize = GetCipherTextBlockSize(receiverCertificate);
int maxCipherTextSize = SendBufferSize - headerSize;
int maxCipherBlocks = maxCipherTextSize/cipherTextBlockSize;
int maxPlainTextSize = maxCipherBlocks*plainTextBlockSize;
int maxPayloadSize = maxPlainTextSize - signatureSize - 1 - TcpMessageLimits.SequenceHeaderSize;
int bytesToWrite = messageBody.Count;
int startOfBytes = messageBody.Offset;
while (bytesToWrite > 0)
{
encoder.WriteUInt32(null, GetNewSequenceNumber());
encoder.WriteUInt32(null, requestId);
int payloadSize = bytesToWrite;
if (payloadSize > maxPayloadSize)
{
payloadSize = maxPayloadSize;
}
else
{
UpdateMessageType(buffer, 0, messageType | TcpMessageType.Final);
}
// write the message body.
encoder.WriteRawBytes(messageBody.Array, messageBody.Offset+startOfBytes, payloadSize);
// calculate the amount of plain text to encrypt.
int plainTextSize = encoder.Position - headerSize + signatureSize;
// calculate the padding.
int padding = 0;
if (SecurityMode != MessageSecurityMode.None)
{
if (receiverCertificate.PublicKey.Key.KeySize <= TcpMessageLimits.KeySizeExtraPadding)
{
// need to reserve one byte for the padding.
plainTextSize++;
if (plainTextSize % plainTextBlockSize != 0)
{
padding = plainTextBlockSize - (plainTextSize % plainTextBlockSize);
}
encoder.WriteByte(null, (byte)padding);
for (int ii = 0; ii < padding; ii++)
{
encoder.WriteByte(null, (byte)padding);
}
}
else
{
// need to reserve one byte for the padding.
plainTextSize++;
// need to reserve one byte for the extrapadding.
plainTextSize++;
if (plainTextSize % plainTextBlockSize != 0)
{
padding = plainTextBlockSize - (plainTextSize % plainTextBlockSize);
}
byte paddingSize = (byte)(padding & 0xff);
byte extraPaddingByte = (byte)((padding >> 8) & 0xff);
encoder.WriteByte(null, paddingSize);
for (int ii = 0; ii < padding; ii++)
{
encoder.WriteByte(null, (byte)paddingSize);
}
encoder.WriteByte(null, extraPaddingByte);
}
// update the plaintext size with the padding size.
plainTextSize += padding;
}
// calculate the number of block to encrypt.
int encryptedBlocks = plainTextSize/plainTextBlockSize;
// calculate the size of the encrypted data.
int cipherTextSize = encryptedBlocks*cipherTextBlockSize;
// put the message size after encryption into the header.
UpdateMessageSize(buffer, 0, cipherTextSize + headerSize);
// write the signature.
byte[] signature = Sign(new ArraySegment<byte>(buffer, 0, encoder.Position), senderCertificate);
if (signature != null)
{
encoder.WriteRawBytes(signature, 0, signature.Length);
}
int messageSize = encoder.Close();
// encrypt the data.
ArraySegment<byte> encryptedBuffer = Encrypt(
new ArraySegment<byte>(buffer, headerSize, messageSize-headerSize),
header,
receiverCertificate);
// check for math errors due to code bugs.
if (encryptedBuffer.Count != cipherTextSize + headerSize)
{
throw new InvalidDataException("Actual message size is not the same as the predicted message size.");
}
// save chunk.
chunksToSend.Add(encryptedBuffer);
bytesToWrite -= payloadSize;
startOfBytes += payloadSize;
// reset the encoder to write the plaintext for the next chunk into the same buffer.
if (bytesToWrite > 0)
{
MemoryStream ostrm = new MemoryStream(buffer, 0, SendBufferSize);
ostrm.Seek(header.Count, SeekOrigin.Current);
encoder = new BinaryEncoder(ostrm, Quotas.MessageContext);
}
}
// ensure the buffers don't get clean up on exit.
success = true;
return chunksToSend;
}
finally
{
BufferManager.ReturnBuffer(buffer, "WriteAsymmetricMessage");
if (!success)
{
chunksToSend.Release(BufferManager, "WriteAsymmetricMessage");
}
}
}
/// <summary>
/// Updates the base event.
/// </summary>
private void UpdateBaseEvent(BaseEventState instance, EventType eventType, ONEVENTSTRUCT e)
{
BinaryEncoder encoder = new BinaryEncoder(ServiceMessageContext.GlobalContext);
encoder.WriteString(null, e.szSource);
encoder.WriteString(null, e.szConditionName);
encoder.WriteInt32(null, e.ftActiveTime.dwHighDateTime);
encoder.WriteInt32(null, e.ftActiveTime.dwLowDateTime);
encoder.WriteInt32(null, e.dwCookie);
byte[] eventId = encoder.CloseAndReturnBuffer();
NodeId eventTypeId = AeParsedNodeId.Construct(e.dwEventType, e.dwEventCategory, e.szConditionName, m_namespaceIndex);
NodeId sourceNode = AeModelUtils.ConstructIdForSource(e.szSource, null, m_namespaceIndex);
string sourceName = e.szSource;
DateTime time = ComUtils.GetDateTime(e.ftTime);
DateTime receiveTime = DateTime.UtcNow;
LocalizedText message = e.szMessage;
ushort severity = (ushort)e.dwSeverity;
instance.TypeDefinitionId = eventTypeId;
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.EventId, eventId, false);
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.EventType, eventTypeId, false);
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.SourceNode, sourceNode, false);
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.SourceName, sourceName, false);
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.Time, time, false);
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.ReceiveTime, receiveTime, false);
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.Message, message, false);
instance.SetChildValue(m_defaultContext, Opc.Ua.BrowseNames.Severity, severity, false);
}
public void FVEncryptMultiplyManyDecryptNET()
{
var parms = new EncryptionParameters(MemoryPoolHandle.AcquireNew());
parms.SetDecompositionBitCount(4);
parms.SetNoiseStandardDeviation(3.19);
parms.SetNoiseMaxDeviation(35.06);
var coeffModulus = new BigUInt(48);
coeffModulus.Set("FFFFFFFFC001");
parms.SetCoeffModulus(coeffModulus);
var plainModulus = new BigUInt(7);
plainModulus.Set(1 << 6);
parms.SetPlainModulus(plainModulus);
var polyModulus = new BigPoly(65, 1);
polyModulus[0].Set(1);
polyModulus[64].Set(1);
parms.SetPolyModulus(polyModulus);
parms.Validate();
var keygen = new KeyGenerator(parms, MemoryPoolHandle.AcquireNew());
keygen.Generate(1);
var encoder = new BinaryEncoder(parms.PlainModulus, MemoryPoolHandle.AcquireNew());
var encryptor = new Encryptor(parms, keygen.PublicKey, MemoryPoolHandle.AcquireNew());
var evaluator = new Evaluator(parms, keygen.EvaluationKeys, MemoryPoolHandle.AcquireNew());
var decryptor = new Decryptor(parms, keygen.SecretKey, MemoryPoolHandle.AcquireNew());
var encrypted1 = encryptor.Encrypt(encoder.Encode(2));
var encrypted2 = encryptor.Encrypt(encoder.Encode(-3));
var encrypted3 = encryptor.Encrypt(encoder.Encode(4));
var encrypteds = new List <BigPolyArray>()
{
encrypted1, encrypted2, encrypted3
};
var product = evaluator.MultiplyMany(encrypteds);
Assert.AreEqual(-24, encoder.DecodeInt32(decryptor.Decrypt(product)));
encrypted1 = encryptor.Encrypt(encoder.Encode(-9));
encrypted2 = encryptor.Encrypt(encoder.Encode(-17));
encrypteds = new List <BigPolyArray>()
{
encrypted1, encrypted2
};
product = evaluator.MultiplyMany(encrypteds);
Assert.AreEqual(153, encoder.DecodeInt32(decryptor.Decrypt(product)));
encrypted1 = encryptor.Encrypt(encoder.Encode(2));
encrypted2 = encryptor.Encrypt(encoder.Encode(-31));
encrypted3 = encryptor.Encrypt(encoder.Encode(7));
encrypteds = new List <BigPolyArray>()
{
encrypted1, encrypted2, encrypted3
};
product = evaluator.MultiplyMany(encrypteds);
Assert.AreEqual(-434, encoder.DecodeInt32(decryptor.Decrypt(product)));
encrypted1 = encryptor.Encrypt(encoder.Encode(1));
encrypted2 = encryptor.Encrypt(encoder.Encode(-1));
encrypted3 = encryptor.Encrypt(encoder.Encode(1));
var encrypted4 = encryptor.Encrypt(encoder.Encode(-1));
encrypteds = new List <BigPolyArray>()
{
encrypted1, encrypted2, encrypted3, encrypted4
};
product = evaluator.MultiplyMany(encrypteds);
Assert.AreEqual(1, encoder.DecodeInt32(decryptor.Decrypt(product)));
encrypted1 = encryptor.Encrypt(encoder.Encode(98765));
encrypted2 = encryptor.Encrypt(encoder.Encode(0));
encrypted3 = encryptor.Encrypt(encoder.Encode(12345));
encrypted4 = encryptor.Encrypt(encoder.Encode(34567));
encrypteds = new List <BigPolyArray>()
{
encrypted1, encrypted2, encrypted3, encrypted4
};
product = evaluator.MultiplyMany(encrypteds);
Assert.AreEqual(0, encoder.DecodeInt32(decryptor.Decrypt(product)));
}
/// <summary>
/// Converts a remote value to a local value.
/// </summary>
/// <param name="srcValue">The remote value.</param>
/// <param name="srcType">The data type of the remote value.</param>
/// <param name="dstType">The data type of the local value.</param>
/// <returns>The local value.</returns>
private object ConvertRemoteToLocal(object srcValue, BuiltInType srcType, BuiltInType dstType)
{
// check for null.
if (srcValue == null)
{
return null;
}
// must determine the type from the source if the containing array is a variant.
if (srcType == BuiltInType.Variant)
{
TypeInfo typeInfo = TypeInfo.Construct(srcValue);
srcType = typeInfo.BuiltInType;
if (typeInfo.ValueRank != ValueRanks.Scalar)
{
return TypeInfo.CastArray((Array)srcValue, srcType, BuiltInType.Null, ConvertRemoteToLocal);
}
}
// no conversion by default.
object dstValue = srcValue;
// apply different conversions depending on the data type.
switch (srcType)
{
case BuiltInType.Guid:
{
dstValue = ((Uuid)srcValue).ToString();
break;
}
case BuiltInType.XmlElement:
{
dstValue = ((XmlElement)srcValue).OuterXml;
break;
}
case BuiltInType.NodeId:
{
dstValue = GetLocalItemId((NodeId)srcValue);
break;
}
case BuiltInType.ExpandedNodeId:
{
ExpandedNodeId nodeId = GetLocaleExpandedNodeId((ExpandedNodeId)srcValue);
dstValue = nodeId.ToString();
break;
}
case BuiltInType.QualifiedName:
{
dstValue = GetLocalBrowseName((QualifiedName)srcValue);
break;
}
case BuiltInType.LocalizedText:
{
dstValue = ((LocalizedText)srcValue).Text;
break;
}
case BuiltInType.StatusCode:
{
dstValue = ((StatusCode)srcValue).Code;
break;
}
case BuiltInType.ExtensionObject:
{
BinaryEncoder encoder = new BinaryEncoder(m_localMessageContext);
encoder.WriteExtensionObject(null, (ExtensionObject)srcValue);
dstValue = encoder.CloseAndReturnBuffer();
break;
}
case BuiltInType.Variant:
{
dstValue = ((Variant)srcValue).Value;
break;
}
default:
{
if (dstType != srcType && dstType != BuiltInType.Variant && dstType != BuiltInType.Null)
{
throw ComUtils.CreateComException(ResultIds.E_BADTYPE);
}
break;
}
}
// all done.
return dstValue;
}
/// <summary>
/// Converts an object into a value that can be marshalled to a VARIANT.
/// </summary>
/// <param name="source">The object to convert.</param>
/// <param name="typeInfo">The type info.</param>
/// <returns>The converted object.</returns>
public static object GetVARIANT(object source, TypeInfo typeInfo)
{
// check for invalid args.
if (source == null)
{
return null;
}
try
{
switch (typeInfo.BuiltInType)
{
case BuiltInType.Boolean:
case BuiltInType.Byte:
case BuiltInType.Int16:
case BuiltInType.UInt16:
case BuiltInType.Int32:
case BuiltInType.UInt32:
case BuiltInType.Int64:
case BuiltInType.UInt64:
case BuiltInType.Float:
case BuiltInType.Double:
case BuiltInType.String:
case BuiltInType.DateTime:
{
return source;
}
case BuiltInType.ByteString:
{
if (typeInfo.ValueRank < 0)
{
return source;
}
return VariantToObjectArray((Array)source);
}
case BuiltInType.Guid:
case BuiltInType.LocalizedText:
case BuiltInType.QualifiedName:
case BuiltInType.NodeId:
case BuiltInType.ExpandedNodeId:
case BuiltInType.XmlElement:
{
return TypeInfo.Cast(source, typeInfo, BuiltInType.String);
}
case BuiltInType.StatusCode:
{
return TypeInfo.Cast(source, typeInfo, BuiltInType.UInt32);
}
case BuiltInType.Variant:
{
if (typeInfo.ValueRank < 0)
{
return GetVARIANT(((Variant)source).Value);
}
return VariantToObjectArray((Array)source);
}
case BuiltInType.ExtensionObject:
{
if (typeInfo.ValueRank < 0)
{
byte[] body = null;
ExtensionObject extension = (ExtensionObject)source;
switch (extension.Encoding)
{
case ExtensionObjectEncoding.Binary:
{
body = (byte[])extension.Body;
break;
}
case ExtensionObjectEncoding.Xml:
{
body = new UTF8Encoding().GetBytes(((XmlElement)extension.Body).OuterXml);
break;
}
case ExtensionObjectEncoding.EncodeableObject:
{
BinaryEncoder encoder = new BinaryEncoder(ServiceMessageContext.GlobalContext);
encoder.WriteEncodeable(null, (IEncodeable)extension.Body, null);
body = encoder.CloseAndReturnBuffer();
break;
}
}
return body;
}
return VariantToObjectArray((Array)source);
}
case BuiltInType.DataValue:
case BuiltInType.DiagnosticInfo:
{
return "(unsupported)";
}
}
}
catch (Exception e)
{
return e.Message;
}
// no conversion required.
return source;
}
/// <summary>
/// Saves object in an binary stream.
/// </summary>
/// <param name="context">The context user.</param>
/// <param name="encoder">The encoder to write to.</param>
/// <param name="attributesToSave">The masks indicating what attributes to write.</param>
public override void Save(ISystemContext context, BinaryEncoder encoder, AttributesToSave attributesToSave)
{
base.Save(context, encoder, attributesToSave);
if ((attributesToSave & AttributesToSave.Value) != 0)
{
encoder.WriteVariant(null, WrappedValue);
}
if ((attributesToSave & AttributesToSave.DataType) != 0)
{
encoder.WriteNodeId(null, m_dataType);
}
if ((attributesToSave & AttributesToSave.ValueRank) != 0)
{
encoder.WriteInt32(null, m_valueRank);
}
if ((attributesToSave & AttributesToSave.ArrayDimensions) != 0)
{
encoder.WriteUInt32Array(null, m_arrayDimensions);
}
}
public bool Encode(BinaryEncoder encoder)
{
if (!BinaryCodec.Encode(encoder, _id))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _name))
{
return(false);
}
{
int enumValue = (int)tileMaterial;
if (!BinaryCodec.Encode(encoder, enumValue))
{
return(false);
}
}
if (!BinaryCodec.Encode(encoder, _isMove))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _groupname))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _randomCount))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _isAutoTile))
{
return(false);
}
{
int enumValue = (int)autoTileType;
if (!BinaryCodec.Encode(encoder, enumValue))
{
return(false);
}
}
if (!BinaryCodec.Encode(encoder, _subPath))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _spritePack))
{
return(false);
}
{
ushort _size = (ushort)sprites.Count;
if (!BinaryCodec.Encode(encoder, _size))
{
return(false);
}
for (int i = 0; i < sprites.Count; ++i)
{
string item = sprites[i];
if (!BinaryCodec.Encode(encoder, item))
{
return(false);
}
}
}
return(true);
}
public bool Encode(BinaryEncoder encoder)
{
if (!BinaryCodec.Encode(encoder, _id))
{
return(false);
}
{
int enumValue = (int)tileMapType;
if (!BinaryCodec.Encode(encoder, enumValue))
{
return(false);
}
}
if (!BinaryCodec.Encode(encoder, _name))
{
return(false);
}
if (!BinaryCodec.EncodeUnicodeString(encoder, _displayName))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _sizeX))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _sizeY))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _isFog))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _groupname))
{
return(false);
}
{
ushort _size = (ushort)bgTileSets.Count;
if (!BinaryCodec.Encode(encoder, _size))
{
return(false);
}
for (int i = 0; i < bgTileSets.Count; ++i)
{
string item = bgTileSets[i];
if (!BinaryCodec.Encode(encoder, item))
{
return(false);
}
}
}
{
ushort _size = (ushort)objectTileSets.Count;
if (!BinaryCodec.Encode(encoder, _size))
{
return(false);
}
for (int i = 0; i < objectTileSets.Count; ++i)
{
string item = objectTileSets[i];
if (!BinaryCodec.Encode(encoder, item))
{
return(false);
}
}
}
return(true);
}
public void Run(TcpClient client)
{
try
{
logger.Log(this, String.Format("Godot has been activated. Client IP address is {0}",
LUtils.GetIpAddress(client)));
godotCounter.IncreaseRunning();
stream = new SslStream(client.GetStream(), false, CertificateValidation);
stream.AuthenticateAsServer(serverCert, true, SslProtocols.Tls12, false);
logger.Log(this, "SSL authentication completed. Starting Handshake.");
this.connectionInfo = Handshake.Run(stream, Log, config);
bool running = true;
while (running)
{
ConnectionCommand command = BinaryEncoder.ReadCommand(stream);
switch (command)
{
case ConnectionCommand.TRUST_CONTACT:
Log("TRUST_CONTACT command received.");
TrustContact();
break;
case ConnectionCommand.UNTRUST_CONTACT:
Log("UNTRUST_CONTACT command received.");
UntrustContact();
break;
case ConnectionCommand.PULL:
#if (DEBUG)
Log("PULL command received.");
#endif
Push();
break;
case ConnectionCommand.PUSH:
#if (DEBUG)
Log("PUSH command received.");
#endif
Pull();
break;
case ConnectionCommand.SEARCH_CONTACT:
Log("SEARCH_CONTACT command received.");
SearchContact();
break;
case ConnectionCommand.END_CONNECTION:
Log("END_CONNECTION command received.");
running = false;
break;
default:
throw new Exception("Received unknown command.");
}
}
}
catch (Exception ex)
{
logger.Log(this, "Godot has crashed.");
logger.LogException(this, ex);
}
finally
{
stream.Close();
client.Close();
godotCounter.IncreaseDestroyed();
logger.Log(this, "Godot has died.");
}
}
private void Push()
{
#if (DEBUG)
Log("Pushing started.");
#endif
ClientPullCapsula clientPullCapsula = TextEncoder.ReadJson <ClientPullCapsula>(stream);
using (Context context = new Context(config))
{
ServerPullCapsula capsula = new ServerPullCapsula();
List <byte[]> messagesBlobsToSend = new List <byte[]>();
List <byte[]> aesBlobsToSend = new List <byte[]>();
var messagesIdsUploaded = context.ClientsMessagesDownloaded
.Where(u => u.ClientsId == connectionInfo.ClientId)
.Select(u => u.BlobMessagesId);
List <PullMessage> pullMessages = new List <PullMessage>();
foreach (var message in
from messages in context.BlobMessages
orderby messages.Priority descending, messages.Id ascending //Message order must be respected
where messages.RecepientId == connectionInfo.UserId //Messages of connected user
where !messagesIdsUploaded.Contains(messages.Id) //New messages
join keys in context.UsersKeys on messages.RecepientId equals keys.SenderId //Keys sended by connected user
where keys.Trusted == true //Only trusted
where messages.SenderId == keys.RecepientId //Trusted information just only about sending user
select new { messages.SenderId, messages.Content, messages.Id }
)
{
pullMessages.Add(new PullMessage()
{
PublicId = message.Id,
SenderId = message.SenderId
});
messagesBlobsToSend.Add(message.Content);
context.ClientsMessagesDownloaded.Add(new ClientsMessagesDownloaded()
{
BlobMessagesId = message.Id,
ClientsId = connectionInfo.ClientId
});
}
capsula.Messages = pullMessages;
#if (DEBUG)
Log($"{messagesBlobsToSend.Count} messageBlobs will be pushed.");
#endif
capsula.AesKeysUserIds = new List <long>();
foreach (var user in
from userKeys in context.UsersKeys
where userKeys.RecepientId == connectionInfo.UserId
where clientPullCapsula.AesKeysUserIds.Contains(userKeys.SenderId)
select new { userKeys.SenderId, userKeys.AesKey })
{
capsula.AesKeysUserIds.Add(user.SenderId);
aesBlobsToSend.Add(user.AesKey);
}
#if (DEBUG)
Log($"{capsula.AesKeysUserIds.Count} AES keys will be pushed.");
Log($"Sending PullCapsula.");
#endif
TextEncoder.SendJson(stream, capsula);
#if (DEBUG)
Log($"Sending AES keys.");
#endif
foreach (byte[] data in aesBlobsToSend)
{
BinaryEncoder.SendBytes(stream, data);
}
#if (DEBUG)
Log($"Sending Messages content.");
#endif
foreach (byte[] data in messagesBlobsToSend)
{
BinaryEncoder.SendBytes(stream, data);
}
stream.Flush();
context.SaveChanges();
}
#if (DEBUG)
Log("Pushing completed.");
#endif
}
private void Pull()
{
#if (DEBUG)
Log("Pulling started.");
Log("Receiving PushCapsula.");
#endif
PushCapsula capsula = TextEncoder.ReadJson <PushCapsula>(stream);
PushResponse response = new PushResponse()
{
MessageIds = new List <long>()
};
using (Context context = new Context(config))
{
#if (DEBUG)
Log($"Receiving and saving {capsula.PushMessages.Count} blobs.");
#endif
foreach (var pushMessage in capsula.PushMessages)
{
BlobMessages blobMessage = new BlobMessages()
{
Content = BinaryEncoder.ReceiveBytes(stream),
RecepientId = pushMessage.RecepientId,
SenderId = connectionInfo.UserId,
Priority = pushMessage.Priority
};
context.BlobMessages.Add(blobMessage);
context.SaveChanges();
if (pushMessage.RecepientId == connectionInfo.UserId)
{
response.MessageIds.Add(blobMessage.Id);
context.ClientsMessagesDownloaded.Add(new ClientsMessagesDownloaded()
{
BlobMessagesId = blobMessage.Id,
ClientsId = connectionInfo.ClientId
});
}
context.SaveChanges();
}
#if (DEBUG)
Log($"Deleting {capsula.MessageToDeleteIds.Count} blobs.");
#endif
foreach (var toDeleteId in capsula.MessageToDeleteIds)
{
var toDelete = context.BlobMessages
.Where(u => u.RecepientId == connectionInfo.UserId && u.Id == toDeleteId).SingleOrDefault();
if (toDelete != null)
{
context.BlobMessages.Remove(toDelete);
}
}
context.SaveChanges();
}
#if (DEBUG)
Log("Sending push response.");
#endif
TextEncoder.SendJson(stream, response);
#if (DEBUG)
Log("Pulling ended.");
#endif
}
/// <summary>
/// Encodes field value as RawData
/// </summary>
/// <param name="binaryEncoder"></param>
/// <param name="field"></param>
private void EncodeFieldAsRawData(BinaryEncoder binaryEncoder, Field field)
{
try
{
// 01 RawData Field Encoding (TODO: StructuredValue)
var variant = field.Value.WrappedValue;
if (variant.TypeInfo == null || variant.TypeInfo.BuiltInType == BuiltInType.Null)
{
return;
}
if (field.FieldMetaData.ValueRank == ValueRanks.Scalar)
{
switch ((BuiltInType)field.FieldMetaData.BuiltInType)
{
case BuiltInType.Boolean:
binaryEncoder.WriteBoolean("Bool", Convert.ToBoolean(variant.Value));
break;
case BuiltInType.SByte:
binaryEncoder.WriteSByte("SByte", Convert.ToSByte(variant.Value));
break;
case BuiltInType.Byte:
binaryEncoder.WriteByte("Byte", Convert.ToByte(variant.Value));
break;
case BuiltInType.Int16:
binaryEncoder.WriteInt16("Int16", Convert.ToInt16(variant.Value));
break;
case BuiltInType.UInt16:
binaryEncoder.WriteUInt16("UInt16", Convert.ToUInt16(variant.Value));
break;
case BuiltInType.Int32:
binaryEncoder.WriteInt32("Int32", Convert.ToInt32(variant.Value));
break;
case BuiltInType.UInt32:
binaryEncoder.WriteUInt32("UInt32", Convert.ToUInt32(variant.Value));
break;
case BuiltInType.Int64:
binaryEncoder.WriteInt64("Int64", Convert.ToInt64(variant.Value));
break;
case BuiltInType.UInt64:
binaryEncoder.WriteUInt64("UInt64", Convert.ToUInt64(variant.Value));
break;
case BuiltInType.Float:
binaryEncoder.WriteFloat("Float", Convert.ToSingle(variant.Value));
break;
case BuiltInType.Double:
binaryEncoder.WriteDouble("Double", Convert.ToDouble(variant.Value));
break;
case BuiltInType.DateTime:
binaryEncoder.WriteDateTime("DateTime", Convert.ToDateTime(variant.Value));
break;
case BuiltInType.Guid:
binaryEncoder.WriteGuid("GUID", (Uuid)variant.Value);
break;
case BuiltInType.String:
binaryEncoder.WriteString("String", variant.Value as string);
break;
case BuiltInType.ByteString:
binaryEncoder.WriteByteString("ByteString", (byte[])variant.Value);
break;
case BuiltInType.QualifiedName:
binaryEncoder.WriteQualifiedName("QualifiedName", variant.Value as QualifiedName);
break;
case BuiltInType.LocalizedText:
binaryEncoder.WriteLocalizedText("LocalizedText", variant.Value as LocalizedText);
break;
case BuiltInType.NodeId:
binaryEncoder.WriteNodeId("NodeId", variant.Value as NodeId);
break;
case BuiltInType.ExpandedNodeId:
binaryEncoder.WriteExpandedNodeId("ExpandedNodeId", variant.Value as ExpandedNodeId);
break;
case BuiltInType.StatusCode:
binaryEncoder.WriteStatusCode("StatusCode", (StatusCode)variant.Value);
break;
case BuiltInType.XmlElement:
binaryEncoder.WriteXmlElement("XmlElement", variant.Value as XmlElement);
break;
case BuiltInType.Enumeration:
binaryEncoder.WriteInt32("Enumeration", Convert.ToInt32(variant.Value));
break;
case BuiltInType.ExtensionObject:
binaryEncoder.WriteExtensionObject("ExtensionObject", variant.Value as ExtensionObject);
break;
}
}
else
{
switch ((BuiltInType)field.FieldMetaData.BuiltInType)
{
case BuiltInType.Boolean:
binaryEncoder.WriteBooleanArray("BooleanArray", (bool[])variant.Value);
break;
case BuiltInType.SByte:
binaryEncoder.WriteSByteArray("SByteArray", (sbyte[])variant.Value);
break;
case BuiltInType.Byte:
binaryEncoder.WriteByteArray("ByteArray", (byte[])variant.Value);
break;
case BuiltInType.Int16:
binaryEncoder.WriteInt16Array("ByteArray", (short[])variant.Value);
break;
case BuiltInType.UInt16:
binaryEncoder.WriteUInt16Array("UInt16Array", (ushort[])variant.Value);
break;
case BuiltInType.Int32:
binaryEncoder.WriteInt32Array("Int32Array", (int[])variant.Value);
break;
case BuiltInType.UInt32:
binaryEncoder.WriteUInt32Array("UInt32Array", (uint[])variant.Value);
break;
case BuiltInType.Int64:
binaryEncoder.WriteInt64Array("Int64Array", (long[])variant.Value);
break;
case BuiltInType.UInt64:
binaryEncoder.WriteUInt64Array("UInt64Array", (ulong[])variant.Value);
break;
case BuiltInType.Float:
binaryEncoder.WriteFloatArray("FloatArray", (float[])variant.Value);
break;
case BuiltInType.Double:
binaryEncoder.WriteDoubleArray("DoubleArray", (double[])variant.Value);
break;
case BuiltInType.DateTime:
binaryEncoder.WriteDateTimeArray("DateTimeArray", (DateTime[])variant.Value);
break;
case BuiltInType.Guid:
binaryEncoder.WriteGuidArray("GuidArray", (Uuid[])variant.Value);
break;
case BuiltInType.String:
binaryEncoder.WriteStringArray("StringArray", (string[])variant.Value);
break;
case BuiltInType.ByteString:
binaryEncoder.WriteByteStringArray("StringArray", (byte[][])variant.Value);
break;
case BuiltInType.QualifiedName:
binaryEncoder.WriteQualifiedNameArray("QualifiedNameArray", (QualifiedName[])variant.Value);
break;
case BuiltInType.LocalizedText:
binaryEncoder.WriteLocalizedTextArray("LocalizedTextArray", (LocalizedText[])variant.Value);
break;
case BuiltInType.NodeId:
binaryEncoder.WriteNodeIdArray("NodeIdArray", (NodeId[])variant.Value);
break;
case BuiltInType.ExpandedNodeId:
binaryEncoder.WriteExpandedNodeIdArray("ExpandedNodeIdArray", (ExpandedNodeId[])variant.Value);
break;
case BuiltInType.StatusCode:
binaryEncoder.WriteStatusCodeArray("StatusCodeArray", (StatusCode[])variant.Value);
break;
case BuiltInType.XmlElement:
binaryEncoder.WriteXmlElementArray("XmlElementArray", (System.Xml.XmlElement[])variant.Value);
break;
case BuiltInType.Variant:
binaryEncoder.WriteVariantArray("VariantArray", (Variant[])variant.Value);
break;
case BuiltInType.Enumeration:
//TODO make this work
//binaryEncoder.WriteInt32Array("EnumerationArray", Convert.ToInt32(variant.Value));
binaryEncoder.WriteVariantArray("EnumerationArray", (Variant[])variant.Value);
break;
case BuiltInType.ExtensionObject:
binaryEncoder.WriteExtensionObjectArray("ExtensionObjectArray", (ExtensionObject[])variant.Value);
break;
}
}
}
catch (Exception ex)
{
Utils.Trace("Error encoding field {0} - {1}", field.FieldMetaData.Name, ex);
}
}
public static void TestSpecific(string str, object[] result)
{
Protocol protocol = Protocol.Parse(str);
var codegen = new CodeGen();
codegen.AddProtocol(protocol);
var compileUnit = codegen.GenerateCode();
// add a constructor to the main class using the passed assignment statements
CodeTypeDeclaration ctd = compileUnit.Namespaces[0].Types[(int)result[0]];
CodeConstructor constructor = new CodeConstructor();
constructor.Attributes = MemberAttributes.Public;
CodeSnippetExpression snippet = new CodeSnippetExpression((string)result[2]);
constructor.Statements.Add(snippet);
ctd.Members.Add(constructor);
// add a function to the main class to populate the data
// This has been moved from constructor, as it was causing some tests to pass that shouldn't when referencing a blank object on READ.
CodeMemberMethod method = new CodeMemberMethod();
method.Attributes = MemberAttributes.Public;
method.Name = "Populate";
CodeSnippetExpression snippet2 = new CodeSnippetExpression((string)result[3]);
method.Statements.Add(snippet2);
ctd.Members.Add(method);
// compile
var comparam = new CompilerParameters(new string[] { "mscorlib.dll" });
comparam.ReferencedAssemblies.Add("System.dll");
comparam.ReferencedAssemblies.Add("Avro.dll");
comparam.GenerateInMemory = true;
var ccp = new Microsoft.CSharp.CSharpCodeProvider();
var units = new CodeCompileUnit[] { compileUnit };
var compres = ccp.CompileAssemblyFromDom(comparam, units);
if (compres == null || compres.Errors.Count > 0)
{
for (int i = 0; i < compres.Errors.Count; i++)
Console.WriteLine(compres.Errors[i]);
}
if (null != compres)
Assert.IsTrue(compres.Errors.Count == 0);
// create record
ISpecificRecord rec = compres.CompiledAssembly.CreateInstance((string)result[1]) as ISpecificRecord;
// Call populate to put some data in it.
Type recType = rec.GetType(); ;
MethodInfo methodInfo = recType.GetMethod("Populate");
methodInfo.Invoke(rec, null);
var x1 = compres.CompiledAssembly.FullName;
Assert.IsFalse(rec == null);
// serialize
var stream = new MemoryStream();
var binEncoder = new BinaryEncoder(stream);
var writer = new SpecificDefaultWriter(rec.Schema);
writer.Write(rec.Schema, rec, binEncoder);
// deserialize
stream.Position = 0;
var decoder = new BinaryDecoder(stream);
var reader = new SpecificDefaultReader(rec.Schema, rec.Schema);
var rec2 = (ISpecificRecord)reader.Read(null, rec.Schema, rec.Schema, decoder);
Assert.IsFalse(rec2 == null);
}
/// <summary>
/// Completes an asynchronous operation to send a request over the secure channel.
/// </summary>
public void OnGetRequestStreamComplete(IAsyncResult result)
{
AsyncResult result2 = result.AsyncState as AsyncResult;
if (result2 == null)
{
return;
}
try
{
Stream ostrm = result2.WebRequest.EndGetRequestStream(result);
MemoryStream mstrm = new MemoryStream();
if (m_settings.Configuration.UseBinaryEncoding)
{
BinaryEncoder encoder = new BinaryEncoder(mstrm, this.MessageContext);
encoder.EncodeMessage(result2.Request);
}
else
{
WriteSoapMessage(
mstrm,
result2.Request.GetType().Name,
result2.Request,
this.MessageContext);
}
int bytesToRead = (int)mstrm.Position;
mstrm.Position = 0;
int bytesRead = 0;
int blockSize = 0;
byte[] buffer = new byte[4096];
do
{
blockSize = mstrm.Read(buffer, 0, buffer.Length);
bytesRead += blockSize;
if (bytesRead > bytesToRead)
{
blockSize -= (bytesRead - bytesToRead);
}
ostrm.Write(buffer, 0, blockSize);
}
while (blockSize >= 0 && bytesRead < bytesToRead);
ostrm.Close();
result2.InnerResult = result2.WebRequest.BeginGetResponse(OnBeginGetResponseComplete, result2);
}
catch (Exception exception)
{
result2.Exception = exception;
result2.OperationCompleted();
}
}
public static void AvroEncodeInt(BinaryWriter stream, int x)
{
BinaryEncoder _e = new BinaryEncoder(stream.BaseStream);
_e.WriteInt(x);
}
/// <summary>
/// Secures the message using the security token.
/// </summary>
protected BufferCollection WriteSymmetricMessage(
uint messageType,
uint requestId,
TcpChannelToken token,
object messageBody,
bool isRequest,
out bool limitsExceeded)
{
limitsExceeded = false;
bool success = false;
BufferCollection chunksToProcess = null;
try
{
// calculate chunk sizes.
int maxCipherTextSize = SendBufferSize - TcpMessageLimits.SymmetricHeaderSize;
int maxCipherBlocks = maxCipherTextSize/EncryptionBlockSize;
int maxPlainTextSize = maxCipherBlocks*EncryptionBlockSize;
int maxPayloadSize = maxPlainTextSize - SymmetricSignatureSize - 1 - TcpMessageLimits.SequenceHeaderSize;
int headerSize = TcpMessageLimits.SymmetricHeaderSize + TcpMessageLimits.SequenceHeaderSize;
// write the body to stream.
ArraySegmentStream ostrm = new ArraySegmentStream(
BufferManager,
SendBufferSize,
headerSize,
maxPayloadSize);
// check for encodeable body.
IEncodeable encodeable = messageBody as IEncodeable;
if (encodeable != null)
{
// debug code used to verify that message aborts are handled correctly.
// int maxMessageSize = Quotas.MessageContext.MaxMessageSize;
// Quotas.MessageContext.MaxMessageSize = Int32.MaxValue;
BinaryEncoder.EncodeMessage(encodeable, ostrm, Quotas.MessageContext);
// Quotas.MessageContext.MaxMessageSize = maxMessageSize;
}
// check for raw bytes.
ArraySegment<byte>? rawBytes = messageBody as ArraySegment<byte>?;
if (rawBytes != null)
{
BinaryEncoder encoder = new BinaryEncoder(ostrm, Quotas.MessageContext);
encoder.WriteRawBytes(rawBytes.Value.Array, rawBytes.Value.Offset, rawBytes.Value.Count);
encoder.Close();
}
chunksToProcess = ostrm.GetBuffers("WriteSymmetricMessage");
// ensure there is at least one chunk.
if (chunksToProcess.Count == 0)
{
byte[] buffer = BufferManager.TakeBuffer(SendBufferSize, "WriteSymmetricMessage");
chunksToProcess.Add(new ArraySegment<byte>(buffer, 0, 0));
}
BufferCollection chunksToSend = new BufferCollection(chunksToProcess.Capacity);
int messageSize = 0;
for (int ii = 0; ii < chunksToProcess.Count; ii++)
{
ArraySegment<byte> chunkToProcess = chunksToProcess[ii];
// nothing more to do if limits exceeded.
if (limitsExceeded)
{
BufferManager.ReturnBuffer(chunkToProcess.Array, "WriteSymmetricMessage");
continue;
}
MemoryStream strm = new MemoryStream(chunkToProcess.Array, 0, SendBufferSize);
BinaryEncoder encoder = new BinaryEncoder(strm, Quotas.MessageContext);
// check if the message needs to be aborted.
if (MessageLimitsExceeded(isRequest, messageSize + chunkToProcess.Count - headerSize, ii+1))
{
encoder.WriteUInt32(null, messageType | TcpMessageType.Abort);
// replace the body in the chunk with an error message.
BinaryEncoder errorEncoder = new BinaryEncoder(
chunkToProcess.Array,
chunkToProcess.Offset,
chunkToProcess.Count,
Quotas.MessageContext);
WriteErrorMessageBody(errorEncoder, (isRequest)?StatusCodes.BadRequestTooLarge:StatusCodes.BadResponseTooLarge);
int size = errorEncoder.Close();
chunkToProcess = new ArraySegment<byte>(chunkToProcess.Array, chunkToProcess.Offset, size);
limitsExceeded = true;
}
// check if the message is complete.
else if (ii == chunksToProcess.Count-1)
{
encoder.WriteUInt32(null, messageType | TcpMessageType.Final);
}
// more chunks to follow.
else
{
encoder.WriteUInt32(null, messageType | TcpMessageType.Intermediate);
}
int count = 0;
count += TcpMessageLimits.SequenceHeaderSize;
count += chunkToProcess.Count;
count += SymmetricSignatureSize;
// calculate the padding.
int padding = 0;
if (SecurityMode == MessageSecurityMode.SignAndEncrypt)
{
// reserve one byte for the padding size.
count++;
if (count%EncryptionBlockSize != 0)
{
padding = EncryptionBlockSize - (count%EncryptionBlockSize);
}
count += padding;
}
count += TcpMessageLimits.SymmetricHeaderSize;
encoder.WriteUInt32(null, (uint)count);
encoder.WriteUInt32(null, ChannelId);
encoder.WriteUInt32(null, token.TokenId);
uint sequenceNumber = GetNewSequenceNumber();
encoder.WriteUInt32(null, sequenceNumber);
encoder.WriteUInt32(null, requestId);
// skip body.
strm.Seek(chunkToProcess.Count, SeekOrigin.Current);
// update message size count.
messageSize += chunkToProcess.Count;
// write padding.
if (SecurityMode == MessageSecurityMode.SignAndEncrypt)
{
for (int jj = 0; jj <= padding; jj++)
{
encoder.WriteByte(null, (byte)padding);
}
}
if (SecurityMode != MessageSecurityMode.None)
{
// calculate and write signature.
byte[] signature = Sign(token, new ArraySegment<byte>(chunkToProcess.Array, 0, encoder.Position), isRequest);
if (signature != null)
{
encoder.WriteRawBytes(signature, 0, signature.Length);
}
}
if (SecurityMode == MessageSecurityMode.SignAndEncrypt)
{
// encrypt the data.
ArraySegment<byte> dataToEncrypt = new ArraySegment<byte>(chunkToProcess.Array, TcpMessageLimits.SymmetricHeaderSize, encoder.Position-TcpMessageLimits.SymmetricHeaderSize);
Encrypt(token, dataToEncrypt, isRequest);
}
// add the header into chunk.
chunksToSend.Add(new ArraySegment<byte>(chunkToProcess.Array, 0, encoder.Position));
}
// ensure the buffers don't get cleaned up on exit.
success = true;
return chunksToSend;
}
finally
{
if (!success)
{
if (chunksToProcess != null)
{
chunksToProcess.Release(BufferManager, "WriteSymmetricMessage");
}
}
}
}
private async Task SendOpenSecureChannelRequestAsync(OpenSecureChannelRequest request, CancellationToken token)
{
var bodyStream = SerializableBytes.CreateWritableStream();
var bodyEncoder = new BinaryEncoder(bodyStream, this);
try
{
bodyEncoder.WriteNodeId(null, OpenSecureChannelRequestNodeId);
request.Encode(bodyEncoder);
bodyStream.Position = 0;
if (bodyStream.Length > this.RemoteMaxMessageSize)
{
throw new ServiceResultException(StatusCodes.BadEncodingLimitsExceeded);
}
// write chunks
int chunkCount = 0;
int bodyCount = (int)(bodyStream.Length - bodyStream.Position);
while (bodyCount > 0)
{
chunkCount++;
if (this.RemoteMaxChunkCount > 0 && chunkCount > this.RemoteMaxChunkCount)
{
throw new ServiceResultException(StatusCodes.BadEncodingLimitsExceeded);
}
var stream = new MemoryStream(this.sendBuffer, 0, (int)this.RemoteReceiveBufferSize, true, true);
var encoder = new BinaryEncoder(stream, this);
try
{
// header
encoder.WriteUInt32(null, UaTcpMessageTypes.OPNF);
encoder.WriteUInt32(null, 0u);
encoder.WriteUInt32(null, this.ChannelId);
// asymmetric security header
encoder.WriteString(null, this.RemoteEndpoint.SecurityPolicyUri);
if (this.RemoteEndpoint.SecurityMode != MessageSecurityMode.None)
{
encoder.WriteByteString(null, this.localCertificateBlob);
encoder.WriteByteString(null, this.RemoteCertificate.GetCertHash());
}
else
{
encoder.WriteByteString(null, null);
encoder.WriteByteString(null, null);
}
int plainHeaderSize = encoder.Position;
// sequence header
encoder.WriteUInt32(null, this.GetNextSequenceNumber());
encoder.WriteUInt32(null, request.RequestHeader.RequestHandle);
// body
int paddingHeaderSize;
int maxBodySize;
int bodySize;
int paddingSize;
int chunkSize;
if (this.asymIsEncrypted)
{
paddingHeaderSize = this.asymRemoteCipherTextBlockSize > 256 ? 2 : 1;
maxBodySize = ((((int)this.RemoteReceiveBufferSize - plainHeaderSize - this.asymLocalSignatureSize - paddingHeaderSize) / this.asymRemoteCipherTextBlockSize) * this.asymRemotePlainTextBlockSize) - SequenceHeaderSize;
if (bodyCount < maxBodySize)
{
bodySize = bodyCount;
paddingSize = (this.asymRemotePlainTextBlockSize - ((SequenceHeaderSize + bodySize + paddingHeaderSize + this.asymLocalSignatureSize) % this.asymRemotePlainTextBlockSize)) % this.asymRemotePlainTextBlockSize;
}
else
{
bodySize = maxBodySize;
paddingSize = 0;
}
chunkSize = plainHeaderSize + (((SequenceHeaderSize + bodySize + paddingSize + paddingHeaderSize + this.asymLocalSignatureSize) / this.asymRemotePlainTextBlockSize) * this.asymRemoteCipherTextBlockSize);
}
else
{
paddingHeaderSize = 0;
paddingSize = 0;
maxBodySize = (int)this.RemoteReceiveBufferSize - plainHeaderSize - this.asymLocalSignatureSize - SequenceHeaderSize;
if (bodyCount < maxBodySize)
{
bodySize = bodyCount;
}
else
{
bodySize = maxBodySize;
}
chunkSize = plainHeaderSize + SequenceHeaderSize + bodySize + this.asymLocalSignatureSize;
}
bodyStream.Read(this.sendBuffer, encoder.Position, bodySize);
encoder.Position += bodySize;
bodyCount -= bodySize;
// padding
if (this.asymIsEncrypted)
{
byte paddingByte = (byte)(paddingSize & 0xFF);
encoder.WriteByte(null, paddingByte);
for (int i = 0; i < paddingSize; i++)
{
encoder.WriteByte(null, paddingByte);
}
if (paddingHeaderSize == 2)
{
byte extraPaddingByte = (byte)((paddingSize >> 8) & 0xFF);
encoder.WriteByte(null, extraPaddingByte);
}
}
// update message type and (encrypted) length
var position = encoder.Position;
encoder.Position = 3;
encoder.WriteByte(null, bodyCount > 0 ? (byte)'C' : (byte)'F');
encoder.WriteUInt32(null, (uint)chunkSize);
encoder.Position = position;
// sign
if (this.asymIsSigned)
{
// sign with local private key.
byte[] signature = this.LocalPrivateKey.SignData(this.sendBuffer, 0, position, this.asymSignatureHashAlgorithmName, RSASignaturePadding.Pkcs1);
Debug.Assert(signature.Length == this.asymLocalSignatureSize, nameof(this.asymLocalSignatureSize));
encoder.Write(signature, 0, this.asymLocalSignatureSize);
}
// encrypt
if (this.asymIsEncrypted)
{
position = encoder.Position;
Buffer.BlockCopy(this.sendBuffer, 0, this.encryptionBuffer, 0, plainHeaderSize);
byte[] plainText = new byte[this.asymRemotePlainTextBlockSize];
int jj = plainHeaderSize;
for (int ii = plainHeaderSize; ii < position; ii += this.asymRemotePlainTextBlockSize)
{
Buffer.BlockCopy(this.sendBuffer, ii, plainText, 0, this.asymRemotePlainTextBlockSize);
// encrypt with remote public key.
byte[] cipherText = this.RemotePublicKey.Encrypt(plainText, this.asymEncryptionPadding);
Debug.Assert(cipherText.Length == this.asymRemoteCipherTextBlockSize, nameof(this.asymRemoteCipherTextBlockSize));
Buffer.BlockCopy(cipherText, 0, this.encryptionBuffer, jj, this.asymRemoteCipherTextBlockSize);
jj += this.asymRemoteCipherTextBlockSize;
}
await this.SendAsync(this.encryptionBuffer, 0, jj, token).ConfigureAwait(false);
return;
}
// pass buffer to transport
await this.SendAsync(this.sendBuffer, 0, encoder.Position, token).ConfigureAwait(false);
}
finally
{
encoder.Dispose();
}
}
}
finally
{
bodyEncoder.Dispose();
}
}
private bool ProcessHelloMessage(uint messageType, ArraySegment<byte> messageChunk)
{
// validate the channel state.
if (State != TcpChannelState.Connecting)
{
ForceChannelFault(StatusCodes.BadTcpMessageTypeInvalid, "Client sent an unexpected Hello message.");
return false;
}
try
{
MemoryStream istrm = new MemoryStream(messageChunk.Array, messageChunk.Offset, messageChunk.Count, false);
BinaryDecoder decoder = new BinaryDecoder(istrm, Quotas.MessageContext);
istrm.Seek(TcpMessageLimits.MessageTypeAndSize, SeekOrigin.Current);
// read requested buffer sizes.
uint protocolVersion = decoder.ReadUInt32(null);
uint receiveBufferSize = decoder.ReadUInt32(null);
uint sendBufferSize = decoder.ReadUInt32(null);
uint maxMessageSize = decoder.ReadUInt32(null);
uint maxChunkCount = decoder.ReadUInt32(null);
// read the endpoint url.
int length = decoder.ReadInt32(null);
if (length > 0)
{
if (length > TcpMessageLimits.MaxEndpointUrlLength)
{
ForceChannelFault(StatusCodes.BadTcpEndpointUrlInvalid);
return false;
}
byte[] endpointUrl = new byte[length];
for (int ii = 0; ii < endpointUrl.Length; ii++)
{
endpointUrl[ii] = decoder.ReadByte(null);
}
if (!SetEndpointUrl(new UTF8Encoding().GetString(endpointUrl)))
{
ForceChannelFault(StatusCodes.BadTcpEndpointUrlInvalid);
return false;
}
}
decoder.Close();
// update receive buffer size.
if (receiveBufferSize < ReceiveBufferSize)
{
ReceiveBufferSize = (int)receiveBufferSize;
}
if (ReceiveBufferSize < TcpMessageLimits.MinBufferSize)
{
ReceiveBufferSize = TcpMessageLimits.MinBufferSize;
}
// update send buffer size.
if (sendBufferSize < SendBufferSize)
{
SendBufferSize = (int)sendBufferSize;
}
if (SendBufferSize < TcpMessageLimits.MinBufferSize)
{
SendBufferSize = TcpMessageLimits.MinBufferSize;
}
// update the max message size.
if (maxMessageSize > 0 && maxMessageSize < MaxResponseMessageSize)
{
MaxResponseMessageSize = (int)maxMessageSize;
}
if (MaxResponseMessageSize < SendBufferSize)
{
MaxResponseMessageSize = SendBufferSize;
}
// update the max chunk count.
if (maxChunkCount > 0 && maxChunkCount < MaxResponseChunkCount)
{
MaxResponseChunkCount = (int)maxChunkCount;
}
// send acknowledge.
byte[] buffer = BufferManager.TakeBuffer(SendBufferSize, "ProcessHelloMessage");
try
{
MemoryStream ostrm = new MemoryStream(buffer, 0, SendBufferSize);
BinaryEncoder encoder = new BinaryEncoder(ostrm, Quotas.MessageContext);
encoder.WriteUInt32(null, TcpMessageType.Acknowledge);
encoder.WriteUInt32(null, 0);
encoder.WriteUInt32(null, 0); // ProtocolVersion
encoder.WriteUInt32(null, (uint)ReceiveBufferSize);
encoder.WriteUInt32(null, (uint)SendBufferSize);
encoder.WriteUInt32(null, (uint)MaxRequestMessageSize);
encoder.WriteUInt32(null, (uint)MaxRequestChunkCount);
int size = encoder.Close();
UpdateMessageSize(buffer, 0, size);
// now ready for the open or bind request.
State = TcpChannelState.Opening;
BeginWriteMessage(new ArraySegment<byte>(buffer, 0, size), Int32.MaxValue, null);
buffer = null;
}
finally
{
if (buffer != null)
{
BufferManager.ReturnBuffer(buffer, "ProcessHelloMessage");
}
}
}
catch (Exception e)
{
ForceChannelFault(e, StatusCodes.BadTcpInternalError, "Unexpected error while processing a Hello message.");
}
return false;
}
private async Task SendCloseSecureChannelRequestAsync(CloseSecureChannelRequest request, CancellationToken token)
{
var bodyStream = SerializableBytes.CreateWritableStream();
var bodyEncoder = new BinaryEncoder(bodyStream, this);
try
{
bodyEncoder.WriteNodeId(null, CloseSecureChannelRequestNodeId);
request.Encode(bodyEncoder);
bodyStream.Position = 0;
if (bodyStream.Length > this.RemoteMaxMessageSize)
{
throw new ServiceResultException(StatusCodes.BadEncodingLimitsExceeded);
}
// write chunks
int chunkCount = 0;
int bodyCount = (int)(bodyStream.Length - bodyStream.Position);
while (bodyCount > 0)
{
chunkCount++;
if (this.RemoteMaxChunkCount > 0 && chunkCount > this.RemoteMaxChunkCount)
{
throw new ServiceResultException(StatusCodes.BadEncodingLimitsExceeded);
}
var stream = new MemoryStream(this.sendBuffer, 0, (int)this.RemoteReceiveBufferSize, true, true);
var encoder = new BinaryEncoder(stream, this);
try
{
// header
encoder.WriteUInt32(null, UaTcpMessageTypes.CLOF);
encoder.WriteUInt32(null, 0u);
encoder.WriteUInt32(null, this.ChannelId);
// symmetric security header
encoder.WriteUInt32(null, this.TokenId);
// detect new TokenId
if (this.TokenId != this.currentClientTokenId)
{
this.currentClientTokenId = this.TokenId;
// update signer and encrypter with new symmetric keys
if (this.symIsSigned)
{
this.symSigner.Key = this.clientSigningKey;
if (this.symIsEncrypted)
{
this.currentClientEncryptingKey = this.clientEncryptingKey;
this.currentClientInitializationVector = this.clientInitializationVector;
this.symEncryptor = this.symEncryptionAlgorithm.CreateEncryptor(this.currentClientEncryptingKey, this.currentClientInitializationVector);
}
}
}
int plainHeaderSize = encoder.Position;
// sequence header
encoder.WriteUInt32(null, this.GetNextSequenceNumber());
encoder.WriteUInt32(null, request.RequestHeader.RequestHandle);
// body
int paddingHeaderSize;
int maxBodySize;
int bodySize;
int paddingSize;
int chunkSize;
if (this.symIsEncrypted)
{
paddingHeaderSize = this.symEncryptionBlockSize > 256 ? 2 : 1;
maxBodySize = ((((int)this.RemoteReceiveBufferSize - plainHeaderSize - this.symSignatureSize - paddingHeaderSize) / this.symEncryptionBlockSize) * this.symEncryptionBlockSize) - SequenceHeaderSize;
if (bodyCount < maxBodySize)
{
bodySize = bodyCount;
paddingSize = (this.symEncryptionBlockSize - ((SequenceHeaderSize + bodySize + paddingHeaderSize + this.symSignatureSize) % this.symEncryptionBlockSize)) % this.symEncryptionBlockSize;
}
else
{
bodySize = maxBodySize;
paddingSize = 0;
}
chunkSize = plainHeaderSize + (((SequenceHeaderSize + bodySize + paddingSize + paddingHeaderSize + this.symSignatureSize) / this.symEncryptionBlockSize) * this.symEncryptionBlockSize);
}
else
{
paddingHeaderSize = 0;
paddingSize = 0;
maxBodySize = (int)this.RemoteReceiveBufferSize - plainHeaderSize - this.symSignatureSize - SequenceHeaderSize;
if (bodyCount < maxBodySize)
{
bodySize = bodyCount;
}
else
{
bodySize = maxBodySize;
}
chunkSize = plainHeaderSize + SequenceHeaderSize + bodySize + this.symSignatureSize;
}
bodyStream.Read(this.sendBuffer, encoder.Position, bodySize);
encoder.Position += bodySize;
bodyCount -= bodySize;
// padding
if (this.symIsEncrypted)
{
var paddingByte = (byte)(paddingSize & 0xFF);
encoder.WriteByte(null, paddingByte);
for (int i = 0; i < paddingSize; i++)
{
encoder.WriteByte(null, paddingByte);
}
if (paddingHeaderSize == 2)
{
var extraPaddingByte = (byte)((paddingSize >> 8) & 0xFF);
encoder.WriteByte(null, extraPaddingByte);
}
}
// update message type and (encrypted) length
var position = encoder.Position;
encoder.Position = 3;
encoder.WriteByte(null, bodyCount > 0 ? (byte)'C' : (byte)'F');
encoder.WriteUInt32(null, (uint)chunkSize);
encoder.Position = position;
// signature
if (this.symIsSigned)
{
byte[] signature = this.symSigner.ComputeHash(this.sendBuffer, 0, position);
if (signature != null)
{
encoder.Write(signature, 0, signature.Length);
}
}
// encrypt
position = encoder.Position;
if (this.symIsEncrypted)
{
using (var symEncryptor = this.symEncryptionAlgorithm.CreateEncryptor(this.currentClientEncryptingKey, this.currentClientInitializationVector))
{
int inputCount = position - plainHeaderSize;
Debug.Assert(inputCount % symEncryptor.InputBlockSize == 0, "Input data is not an even number of encryption blocks.");
symEncryptor.TransformBlock(this.sendBuffer, plainHeaderSize, inputCount, this.sendBuffer, plainHeaderSize);
symEncryptor.TransformFinalBlock(this.sendBuffer, position, 0);
}
}
// pass buffer to transport
await this.SendAsync(this.sendBuffer, 0, position, token).ConfigureAwait(false);
}
finally
{
encoder.Dispose();
}
}
}
finally
{
bodyEncoder.Dispose();
}
}
/// <summary>
/// Handles requests arriving from a channel.
/// </summary>
public async Task SendAsync(HttpContext context)
{
string message = string.Empty;
CancellationToken ct = context.RequestAborted;
try
{
if (m_callback == null)
{
await WriteResponseAsync(context.Response, message, HttpStatusCode.NotImplemented).ConfigureAwait(false);
return;
}
if (context.Request.ContentType != kApplicationContentType)
{
message = "HTTPSLISTENER - Unsupported content type.";
await WriteResponseAsync(context.Response, message, HttpStatusCode.BadRequest).ConfigureAwait(false);
return;
}
int length = (int)context.Request.ContentLength;
byte[] buffer = await ReadBodyAsync(context.Request).ConfigureAwait(false);
if (buffer.Length != length)
{
message = "HTTPSLISTENER - Invalid buffer.";
await WriteResponseAsync(context.Response, message, HttpStatusCode.BadRequest).ConfigureAwait(false);
return;
}
IServiceRequest input = (IServiceRequest)BinaryDecoder.DecodeMessage(buffer, null, m_quotas.MessageContext);
// extract the JWT token from the HTTP headers.
if (input.RequestHeader == null)
{
input.RequestHeader = new RequestHeader();
}
if (NodeId.IsNull(input.RequestHeader.AuthenticationToken) &&
input.TypeId != DataTypeIds.CreateSessionRequest)
{
if (context.Request.Headers.ContainsKey(kAuthorizationKey))
{
foreach (string value in context.Request.Headers[kAuthorizationKey])
{
if (value.StartsWith(kBearerKey, StringComparison.OrdinalIgnoreCase))
{
// note: use NodeId(string, uint) to avoid the NodeId.Parse call.
input.RequestHeader.AuthenticationToken = new NodeId(value.Substring(kBearerKey.Length + 1).Trim(), 0);
}
}
}
}
if (!context.Request.Headers.TryGetValue(Profiles.HttpsSecurityPolicyHeader, out var header))
{
header = SecurityPolicies.None;
}
EndpointDescription endpoint = null;
foreach (var ep in m_descriptions)
{
if (ep.EndpointUrl.StartsWith(Utils.UriSchemeHttps, StringComparison.Ordinal))
{
if (!string.IsNullOrEmpty(header))
{
if (!string.Equals(ep.SecurityPolicyUri, header, StringComparison.Ordinal))
{
continue;
}
}
endpoint = ep;
break;
}
}
if (endpoint == null &&
input.TypeId != DataTypeIds.GetEndpointsRequest &&
input.TypeId != DataTypeIds.FindServersRequest)
{
message = "Connection refused, invalid security policy.";
Utils.LogError(message);
await WriteResponseAsync(context.Response, message, HttpStatusCode.Unauthorized).ConfigureAwait(false);
return;
}
// note: do not use Task.Factory.FromAsync here
var result = m_callback.BeginProcessRequest(
m_listenerId,
endpoint,
input as IServiceRequest,
null,
null);
IServiceResponse output = m_callback.EndProcessRequest(result);
byte[] response = BinaryEncoder.EncodeMessage(output, m_quotas.MessageContext);
context.Response.ContentLength = response.Length;
context.Response.ContentType = context.Request.ContentType;
context.Response.StatusCode = (int)HttpStatusCode.OK;
#if NETSTANDARD2_1 || NET5_0_OR_GREATER || NETCOREAPP3_1_OR_GREATER
await context.Response.Body.WriteAsync(response.AsMemory(0, response.Length), ct).ConfigureAwait(false);
#else
await context.Response.Body.WriteAsync(response, 0, response.Length, ct).ConfigureAwait(false);
#endif
return;
}
catch (Exception e)
{
message = "HTTPSLISTENER - Unexpected error processing request.";
Utils.LogError(e, message);
}
await WriteResponseAsync(context.Response, message, HttpStatusCode.InternalServerError).ConfigureAwait(false);
}
public static void TestSpecific(string str, object[] result)
{
Protocol protocol = Protocol.Parse(str);
var codegen = new CodeGen();
codegen.AddProtocol(protocol);
var compileUnit = codegen.GenerateCode();
// add a constructor to the main class using the passed assignment statements
CodeTypeDeclaration ctd = compileUnit.Namespaces[0].Types[(int)result[0]];
CodeConstructor constructor = new CodeConstructor();
constructor.Attributes = MemberAttributes.Public;
CodeSnippetExpression snippet = new CodeSnippetExpression((string)result[2]);
constructor.Statements.Add(snippet);
ctd.Members.Add(constructor);
// compile
var comparam = new CompilerParameters(new string[] { "mscorlib.dll" });
comparam.ReferencedAssemblies.Add("System.dll");
comparam.ReferencedAssemblies.Add("System.Core.dll");
comparam.ReferencedAssemblies.Add(Type.GetType("Mono.Runtime") != null ? "Mono.CSharp.dll" : "Microsoft.CSharp.dll");
comparam.ReferencedAssemblies.Add("Avro.dll");
comparam.GenerateInMemory = true;
var ccp = new Microsoft.CSharp.CSharpCodeProvider();
var units = new CodeCompileUnit[] { compileUnit };
var compres = ccp.CompileAssemblyFromDom(comparam, units);
if (compres == null || compres.Errors.Count > 0)
{
for (int i = 0; i < compres.Errors.Count; i++)
Console.WriteLine(compres.Errors[i]);
}
if (null != compres)
Assert.IsTrue(compres.Errors.Count == 0);
// create record
ISpecificRecord rec = compres.CompiledAssembly.CreateInstance((string)result[1]) as ISpecificRecord;
Assert.IsFalse(rec == null);
// serialize
var stream = new MemoryStream();
var binEncoder = new BinaryEncoder(stream);
var writer = new SpecificDefaultWriter(rec.Schema);
writer.Write(rec.Schema, rec, binEncoder);
// deserialize
stream.Position = 0;
var decoder = new BinaryDecoder(stream);
var reader = new SpecificDefaultReader(rec.Schema, rec.Schema);
var rec2 = (ISpecificRecord)reader.Read(null, rec.Schema, rec.Schema, decoder);
Assert.IsFalse(rec2 == null);
}
/// <summary>
/// Encodes the object in binary
/// </summary>
public static byte[] EncodeBinary(IEncodeable encodeable, ServiceMessageContext context)
{
BinaryEncoder encoder = new BinaryEncoder(context);
encoder.WriteEncodeable(null, encodeable, null);
return encoder.CloseAndReturnBuffer();
}
/// <summary>
/// Handles requests arriving from a channel.
/// </summary>
public async void SendAsync(HttpContext context)
{
IAsyncResult result = null;
try
{
if (m_callback == null)
{
context.Response.ContentLength = 0;
context.Response.ContentType = "text/plain";
context.Response.StatusCode = (int)HttpStatusCode.NotImplemented;
await context.Response.WriteAsync(string.Empty);
return;
}
byte[] buffer = new byte[(int)context.Request.ContentLength];
lock (m_lock)
{
Task <int> task = context.Request.Body.ReadAsync(buffer, 0, (int)context.Request.ContentLength);
task.Wait();
}
IServiceRequest input = (IServiceRequest)BinaryDecoder.DecodeMessage(buffer, null, m_quotas.MessageContext);
// extract the JWT token from the HTTP headers.
if (input.RequestHeader == null)
{
input.RequestHeader = new RequestHeader();
}
if (NodeId.IsNull(input.RequestHeader.AuthenticationToken) && input.TypeId != DataTypeIds.CreateSessionRequest)
{
if (context.Request.Headers.Keys.Contains("Authorization"))
{
foreach (string value in context.Request.Headers["Authorization"])
{
if (value.StartsWith("Bearer"))
{
input.RequestHeader.AuthenticationToken = new NodeId(value.Substring("Bearer ".Length).Trim());
}
}
}
}
EndpointDescription endpoint = null;
foreach (var ep in m_descriptions)
{
if (ep.EndpointUrl.StartsWith(Utils.UriSchemeHttps))
{
endpoint = ep;
break;
}
}
result = m_callback.BeginProcessRequest(
m_listenerId,
endpoint,
input as IServiceRequest,
null,
null);
IServiceResponse output = m_callback.EndProcessRequest(result);
byte[] response = BinaryEncoder.EncodeMessage(output, m_quotas.MessageContext);
context.Response.ContentLength = response.Length;
context.Response.ContentType = context.Request.ContentType;
context.Response.StatusCode = (int)HttpStatusCode.OK;
await context.Response.Body.WriteAsync(response, 0, response.Length);
}
catch (Exception e)
{
Utils.Trace(e, "HTTPSLISTENER - Unexpected error processing request.");
context.Response.ContentLength = e.Message.Length;
context.Response.ContentType = "text/plain";
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
await context.Response.WriteAsync(e.Message);
}
}
/// <summary>
/// Writes the asymmetric security header to the buffer.
/// </summary>
protected void WriteAsymmetricMessageHeader(
BinaryEncoder encoder,
uint messageType,
uint secureChannelId,
string securityPolicyUri,
X509Certificate2 senderCertificate,
X509Certificate2 receiverCertificate)
{
int start = encoder.Position;
encoder.WriteUInt32(null, messageType);
encoder.WriteUInt32(null, 0);
encoder.WriteUInt32(null, secureChannelId);
encoder.WriteString(null, securityPolicyUri);
if (SecurityMode != MessageSecurityMode.None)
{
encoder.WriteByteString(null, senderCertificate.RawData);
encoder.WriteByteString(null, GetThumbprintBytes(receiverCertificate.Thumbprint));
}
else
{
encoder.WriteByteString(null, null);
encoder.WriteByteString(null, null);
}
if (encoder.Position - start > SendBufferSize)
{
throw ServiceResultException.Create(
StatusCodes.BadInternalError,
"AsymmetricSecurityHeader is {0} bytes which is too large for the send buffer size of {1} bytes.",
encoder.Position - start,
SendBufferSize);
}
}
/// <summary>
/// Saves object in an binary stream.
/// </summary>
/// <param name="context">The context user.</param>
/// <param name="encoder">The encoder to write to.</param>
/// <param name="attributesToSave">The masks indicating what attributes to write.</param>
public override void Save(ISystemContext context, BinaryEncoder encoder, AttributesToSave attributesToSave)
{
base.Save(context, encoder, attributesToSave);
if ((attributesToSave & AttributesToSave.SuperTypeId) != 0)
{
encoder.WriteNodeId(null, m_superTypeId);
}
if ((attributesToSave & AttributesToSave.IsAbstract) != 0)
{
encoder.WriteBoolean(null, m_isAbstract);
}
}
private Stream EndProcessRequest(IAsyncResult result)
{
MemoryStream ostrm = new MemoryStream();
try
{
if (m_callback != null)
{
IServiceResponse response = m_callback.EndProcessRequest(result);
string contentType = WebOperationContext.Current.IncomingRequest.ContentType;
if (contentType == "application/octet-stream")
{
BinaryEncoder encoder = new BinaryEncoder(ostrm, this.m_quotas.MessageContext);
encoder.EncodeMessage(response);
}
else
{
HttpsTransportChannel.WriteSoapMessage(
ostrm,
response.GetType().Name,
response,
this.m_quotas.MessageContext);
}
ostrm.Position = 0;
}
}
catch (Exception e)
{
Utils.Trace(e, "TCPLISTENER - Unexpected error sending result.");
}
return ostrm;
}
/// <summary>
/// Converts a remote value to a local value.
/// </summary>
/// <param name="srcValue">The remote value.</param>
/// <param name="srcType">The data type of the remote value.</param>
/// <param name="dstType">The data type of the local value.</param>
/// <returns>The local value.</returns>
private object ConvertRemoteToLocal(object srcValue, BuiltInType srcType, BuiltInType dstType)
{
// check for null.
if (srcValue == null)
{
return(null);
}
// must determine the type from the source if the containing array is a variant.
if (srcType == BuiltInType.Variant)
{
TypeInfo typeInfo = TypeInfo.Construct(srcValue);
srcType = typeInfo.BuiltInType;
if (typeInfo.ValueRank != ValueRanks.Scalar)
{
return(TypeInfo.CastArray((Array)srcValue, srcType, BuiltInType.Null, ConvertRemoteToLocal));
}
}
// no conversion by default.
object dstValue = srcValue;
// apply different conversions depending on the data type.
switch (srcType)
{
case BuiltInType.Guid:
{
dstValue = ((Uuid)srcValue).ToString();
break;
}
case BuiltInType.XmlElement:
{
dstValue = ((XmlElement)srcValue).OuterXml;
break;
}
case BuiltInType.NodeId:
{
dstValue = GetLocalItemId((NodeId)srcValue);
break;
}
case BuiltInType.ExpandedNodeId:
{
ExpandedNodeId nodeId = GetLocaleExpandedNodeId((ExpandedNodeId)srcValue);
dstValue = nodeId.ToString();
break;
}
case BuiltInType.QualifiedName:
{
dstValue = GetLocalBrowseName((QualifiedName)srcValue);
break;
}
case BuiltInType.LocalizedText:
{
dstValue = ((LocalizedText)srcValue).Text;
break;
}
case BuiltInType.StatusCode:
{
dstValue = ((StatusCode)srcValue).Code;
break;
}
case BuiltInType.ExtensionObject:
{
BinaryEncoder encoder = new BinaryEncoder(m_localMessageContext);
encoder.WriteExtensionObject(null, (ExtensionObject)srcValue);
dstValue = encoder.CloseAndReturnBuffer();
break;
}
case BuiltInType.Variant:
{
dstValue = ((Variant)srcValue).Value;
break;
}
default:
{
if (dstType != srcType && dstType != BuiltInType.Variant && dstType != BuiltInType.Null)
{
throw ComUtils.CreateComException(ResultIds.E_BADTYPE);
}
break;
}
}
// all done.
return(dstValue);
}
/// <summary>
/// Saves object in an binary stream.
/// </summary>
/// <param name="context">The context user.</param>
/// <param name="encoder">The encoder to write to.</param>
/// <param name="attributesToSave">The masks indicating what attributes to write.</param>
public override void Save(ISystemContext context, BinaryEncoder encoder, AttributesToSave attributesToSave)
{
base.Save(context, encoder, attributesToSave);
if ((attributesToSave & AttributesToSave.EventNotifier) != 0)
{
encoder.WriteByte(null, m_eventNotifier);
}
if ((attributesToSave & AttributesToSave.ContainsNoLoops) != 0)
{
encoder.WriteBoolean(null, m_containsNoLoops);
}
}
private ReadItem ResolveRecord(RecordSchema writerSchema, RecordSchema readerSchema)
{
var schemaPair = new SchemaPair(writerSchema, readerSchema);
ReadItem recordReader;
if (_recordReaders.TryGetValue(schemaPair, out recordReader))
{
return(recordReader);
}
FieldReader[] fieldReaderArray = null;
var recordAccess = GetRecordAccess(readerSchema);
recordReader = (r, d) => ReadRecord(r, d, recordAccess, fieldReaderArray);
_recordReaders.Add(schemaPair, recordReader);
var readSteps = new List <FieldReader>();
foreach (Field wf in writerSchema)
{
Field rf;
if (readerSchema.TryGetFieldAlias(wf.Name, out rf))
{
var readItem = ResolveReader(wf.Schema, rf.Schema);
if (IsReusable(rf.Schema.Tag))
{
readSteps.Add((rec, d) => recordAccess.AddField(rec, rf.Name, rf.Pos,
readItem(recordAccess.GetField(rec, rf.Name, rf.Pos), d)));
}
else
{
readSteps.Add((rec, d) => recordAccess.AddField(rec, rf.Name, rf.Pos,
readItem(null, d)));
}
}
else
{
var skip = GetSkip(wf.Schema);
readSteps.Add((rec, d) => skip(d));
}
}
// fill in defaults for any reader fields not in the writer schema
foreach (Field rf in readerSchema)
{
if (writerSchema.Contains(rf.Name))
{
continue;
}
var defaultStream = new MemoryStream();
var defaultEncoder = new BinaryEncoder(defaultStream);
defaultStream.Position = 0; // reset for writing
Resolver.EncodeDefaultValue(defaultEncoder, rf.Schema, rf.DefaultValue);
defaultStream.Flush();
var defaultBytes = defaultStream.ToArray();
var readItem = ResolveReader(rf.Schema, rf.Schema);
var rfInstance = rf;
if (IsReusable(rf.Schema.Tag))
{
readSteps.Add((rec, d) => recordAccess.AddField(rec, rfInstance.Name, rfInstance.Pos,
readItem(recordAccess.GetField(rec, rfInstance.Name, rfInstance.Pos),
new BinaryDecoder(new MemoryStream(defaultBytes)))));
}
else
{
readSteps.Add((rec, d) => recordAccess.AddField(rec, rfInstance.Name, rfInstance.Pos,
readItem(null, new BinaryDecoder(new MemoryStream(defaultBytes)))));
}
}
fieldReaderArray = readSteps.ToArray();
return(recordReader);
}
public void TestEnumResolution()
{
Schema writerSchema = Schema.Parse("{\"type\":\"record\",\"name\":\"EnumRecord\",\"namespace\":\"Avro.Test\"," +
"\"fields\":[{\"name\":\"enumType\",\"type\": { \"type\": \"enum\", \"name\": \"EnumType\", \"symbols\": [\"FIRST\", \"SECOND\"]} }]}");
Schema readerSchema = Schema.Parse("{\"type\":\"record\",\"name\":\"EnumRecord\",\"namespace\":\"Avro.Test\"," +
"\"fields\":[{\"name\":\"enumType\",\"type\": { \"type\": \"enum\", \"name\": \"EnumType\", \"symbols\": [\"THIRD\", \"FIRST\", \"SECOND\"]} }]}");
EnumRecord testRecord = new EnumRecord();
testRecord.enumType = EnumType.SECOND;
// serialize
var stream = new MemoryStream();
var binEncoder = new BinaryEncoder(stream);
var writer = new SpecificWriter<EnumRecord>(writerSchema);
writer.Write(testRecord, binEncoder);
// deserialize
stream.Position = 0;
var decoder = new BinaryDecoder(stream);
var reader = new SpecificReader<EnumRecord>(writerSchema, readerSchema);
var rec2 = reader.Read(null, decoder);
Assert.AreEqual( EnumType.SECOND, rec2.enumType );
}
public bool Encode(BinaryEncoder encoder)
{
if (!BinaryCodec.Encode(encoder, _itemID))
{
return(false);
}
if (!BinaryCodec.EncodeUnicodeString(encoder, _itemName))
{
return(false);
}
if (!BinaryCodec.EncodeUnicodeString(encoder, _itemDesc))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _iconName))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _price))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _option))
{
return(false);
}
{
int enumValue = (int)armorType;
if (!BinaryCodec.Encode(encoder, enumValue))
{
return(false);
}
}
if (!BinaryCodec.Encode(encoder, _health))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _energy))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _healthRecover))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _energyRecover))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _physicalArmor))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _elementalArmor))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _physicalAvoid))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _elementalAvoid))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _physicalResistance))
{
return(false);
}
if (!BinaryCodec.Encode(encoder, _elementalResistance))
{
return(false);
}
return(true);
}
/// <summary>
/// Saves object in an binary stream.
/// </summary>
/// <param name="context">The context user.</param>
/// <param name="encoder">The encoder to write to.</param>
/// <param name="attributesToSave">The masks indicating what attributes to write.</param>
public override void Save(ISystemContext context, BinaryEncoder encoder, AttributesToSave attributesToSave)
{
base.Save(context, encoder, attributesToSave);
if ((attributesToSave & AttributesToSave.InverseName) != 0)
{
encoder.WriteLocalizedText(null, m_inverseName);
}
if ((attributesToSave & AttributesToSave.Symmetric) != 0)
{
encoder.WriteBoolean(null, m_symmetric);
}
}
public void AssignFields()
{
BasicMessageFormatter formatter = new BasicMessageFormatter();
Message message = new Message();
// Add field Formatters.
for (int i = 0; i < _fixedMessageFormatter.Length; i++)
{
if (_fixedMessageFormatter[i] != null)
{
formatter.FieldFormatters.Add(_fixedMessageFormatter[i]);
}
}
// Replace field formatter for field number 6, to perform
// a complete AssignFields test.
formatter.FieldFormatters.Add(new BinaryFieldFormatter(6,
new FixedLengthManager(20), BinaryEncoder.GetInstance()));
// Perform test for invalid parameters.
try {
formatter.AssignFields(null, null);
Assert.Fail();
} catch (ArgumentNullException e) {
Assert.IsTrue(e.ParamName == "message");
}
try {
formatter.AssignFields(message, null);
Assert.Fail();
} catch (ArgumentNullException e) {
Assert.IsTrue(e.ParamName == "fieldsContainer");
}
// Perform a simple test.
SimpleTransaction simpleTransaction = new SimpleTransaction();
simpleTransaction.Terminal = 106;
simpleTransaction.CustomerName = "John Doe";
simpleTransaction.AdditionalData = "Some data";
formatter.AssignFields(message, simpleTransaction);
Assert.IsFalse(simpleTransaction.InvalidPropertyHasBeenTaken);
Assert.IsFalse(message.Fields.Contains(1));
Assert.IsFalse(message.Fields.Contains(2));
Assert.IsTrue(message.Fields.Contains(5));
Assert.IsTrue(simpleTransaction.Terminal.ToString().Equals(
message[5].ToString()));
Assert.IsTrue(message.Fields.Contains(6));
Assert.IsTrue(simpleTransaction.CustomerName.Equals(
message[6].ToString()));
Assert.IsTrue(message.Fields.Contains(30));
Assert.IsTrue(simpleTransaction.AdditionalData.Equals(
message[30].ToString()));
}
/// <summary>
/// Sends a Hello message.
/// </summary>
private void SendHelloMessage(WriteOperation operation)
{
// Utils.Trace("Channel {0}: SendHelloMessage()", ChannelId);
byte[] buffer = BufferManager.TakeBuffer(SendBufferSize, "SendHelloMessage");
try
{
MemoryStream ostrm = new MemoryStream(buffer, 0, SendBufferSize);
BinaryEncoder encoder = new BinaryEncoder(ostrm, Quotas.MessageContext);
encoder.WriteUInt32(null, TcpMessageType.Hello);
encoder.WriteUInt32(null, 0);
encoder.WriteUInt32(null, 0); // ProtocolVersion
encoder.WriteUInt32(null, (uint)ReceiveBufferSize);
encoder.WriteUInt32(null, (uint)SendBufferSize);
encoder.WriteUInt32(null, (uint)MaxResponseMessageSize);
encoder.WriteUInt32(null, (uint)MaxResponseChunkCount);
byte[] endpointUrl = new UTF8Encoding().GetBytes(m_url.ToString());
if (endpointUrl.Length > TcpMessageLimits.MaxEndpointUrlLength)
{
byte[] truncatedUrl = new byte[TcpMessageLimits.MaxEndpointUrlLength];
Array.Copy(endpointUrl, truncatedUrl, TcpMessageLimits.MaxEndpointUrlLength);
endpointUrl = truncatedUrl;
}
encoder.WriteByteString(null, endpointUrl);
int size = encoder.Close();
UpdateMessageSize(buffer, 0, size);
BeginWriteMessage(new ArraySegment<byte>(buffer, 0, size), Int32.MaxValue, operation);
buffer = null;
}
finally
{
if (buffer != null)
{
BufferManager.ReturnBuffer(buffer, "SendHelloMessage");
}
}
}
public void RetrieveFields()
{
BasicMessageFormatter formatter = new BasicMessageFormatter();
Message message = new Message();
// Add field Formatters.
for (int i = 0; i < _fixedMessageFormatter.Length; i++)
{
if (_fixedMessageFormatter[i] != null)
{
formatter.FieldFormatters.Add(_fixedMessageFormatter[i]);
}
}
// Replace field formatter for field number 6, to perform
// a complete AssignFields test.
formatter.FieldFormatters.Add(new BinaryFieldFormatter(6,
new FixedLengthManager(20), BinaryEncoder.GetInstance()));
// Perform test for invalid parameters.
try {
formatter.RetrieveFields(null, null);
Assert.Fail();
} catch (ArgumentNullException e) {
Assert.IsTrue(e.ParamName == "message");
}
try {
formatter.RetrieveFields(message, null);
Assert.Fail();
} catch (ArgumentNullException e) {
Assert.IsTrue(e.ParamName == "fieldsContainer");
}
// Perform a simple test.
message.Fields.Add(1, "01");
message.Fields.Add(2, "02");
message.Fields.Add(5, "1385");
message.Fields.Add(6, "John Doe");
message.Fields.Add(30, "Random data");
SimpleTransaction simpleTransaction = new SimpleTransaction();
formatter.RetrieveFields(message, simpleTransaction);
Assert.IsFalse(simpleTransaction.InvalidPropertyHasBeenAssigned);
Assert.IsNotNull(simpleTransaction.RetrieveBranch());
Assert.IsTrue(simpleTransaction.RetrieveBranch().Equals("01"));
Assert.IsTrue(simpleTransaction.Terminal == 1385);
Assert.IsTrue(simpleTransaction.AdditionalData.Equals("Random data"));
}
/// <summary>
/// Saves object in an binary stream.
/// </summary>
/// <param name="context">The context user.</param>
/// <param name="encoder">The encoder to write to.</param>
/// <param name="attributesToSave">The masks indicating what attributes to write.</param>
public override void Save(ISystemContext context, BinaryEncoder encoder, AttributesToSave attributesToSave)
{
base.Save(context, encoder, attributesToSave);
if ((attributesToSave & AttributesToSave.ReferenceTypeId) != 0)
{
encoder.WriteNodeId(null, m_referenceTypeId);
}
if ((attributesToSave & AttributesToSave.TypeDefinitionId) != 0)
{
encoder.WriteNodeId(null, m_typeDefinitionId);
}
if ((attributesToSave & AttributesToSave.ModellingRuleId) != 0)
{
encoder.WriteNodeId(null, m_modellingRuleId);
}
if ((attributesToSave & AttributesToSave.NumericId) != 0)
{
encoder.WriteUInt32(null, m_numericId);
}
}
/// <summary>
/// Perform DataSetMessageModel to batch NetworkMessageModel using binary encoding
/// </summary>
/// <param name="messages"></param>
/// <param name="maxMessageSize"></param>
/// <returns></returns>
private IEnumerable <NetworkMessageModel> EncodeBatchAsUadp(
IEnumerable <DataSetMessageModel> messages, int maxMessageSize)
{
// by design all messages are generated in the same session context,
// therefore it is safe to get the first message's context
var encodingContext = messages.FirstOrDefault(m => m.ServiceMessageContext != null)
?.ServiceMessageContext;
var notifications = GetMonitoredItemMessages(messages, MessageEncoding.Uadp, encodingContext);
if (notifications.Count() == 0)
{
yield break;
}
var current = notifications.GetEnumerator();
var processing = current.MoveNext();
var messageSize = 4; // array length size
var chunk = new Collection <MonitoredItemMessage>();
while (processing)
{
var notification = current.Current;
var messageCompleted = false;
if (notification != null)
{
var helperEncoder = new BinaryEncoder(encodingContext);
helperEncoder.WriteEncodeable(null, notification);
var notificationSize = helperEncoder.CloseAndReturnBuffer().Length;
if (notificationSize > maxMessageSize)
{
// Message too large, drop it.
NotificationsDroppedCount++;
_logger.Warning("Message too large, dropped {notificationsPerMessage} values");
processing = current.MoveNext();
}
else
{
messageCompleted = maxMessageSize < (messageSize + notificationSize);
if (!messageCompleted)
{
chunk.Add(notification);
NotificationsProcessedCount++;
processing = current.MoveNext();
messageSize += notificationSize;
}
}
}
if (!processing || messageCompleted)
{
var encoder = new BinaryEncoder(encodingContext);
encoder.WriteBoolean(null, true); // is Batch
encoder.WriteEncodeableArray(null, chunk);
var encoded = new NetworkMessageModel {
Body = encoder.CloseAndReturnBuffer(),
Timestamp = DateTime.UtcNow,
ContentType = ContentMimeType.UaBinary,
MessageSchema = MessageSchemaTypes.MonitoredItemMessageBinary
};
AvgMessageSize = (AvgMessageSize * MessagesProcessedCount + encoded.Body.Length) /
(MessagesProcessedCount + 1);
AvgNotificationsPerMessage = (AvgNotificationsPerMessage * MessagesProcessedCount +
chunk.Count) / (MessagesProcessedCount + 1);
MessagesProcessedCount++;
chunk.Clear();
messageSize = 4;
yield return(encoded);
}
}
}
/// <summary>
/// Sends an error message over the socket.
/// </summary>
protected void SendErrorMessage(ServiceResult error)
{
// Utils.Trace("Channel {0}: SendErrorMessage()", ChannelId);
byte[] buffer = BufferManager.TakeBuffer(SendBufferSize, "SendErrorMessage");
try
{
BinaryEncoder encoder = new BinaryEncoder(buffer, 0, SendBufferSize, Quotas.MessageContext);
encoder.WriteUInt32(null, TcpMessageType.Error);
encoder.WriteUInt32(null, 0);
WriteErrorMessageBody(encoder, error);
int size = encoder.Close();
UpdateMessageSize(buffer, 0, size);
BeginWriteMessage(new ArraySegment<byte>(buffer, 0, size), Int32.MaxValue, null);
buffer = null;
}
finally
{
if (buffer != null)
{
BufferManager.ReturnBuffer(buffer, "SendErrorMessage");
}
}
}
/// <summary>
/// Handles requests arriving from a channel.
/// </summary>
public async Task SendAsync(HttpContext context)
{
IAsyncResult result = null;
try
{
if (m_callback == null)
{
context.Response.ContentLength = 0;
context.Response.ContentType = "text/plain";
context.Response.StatusCode = (int)HttpStatusCode.NotImplemented;
await context.Response.WriteAsync(string.Empty);
return;
}
if (context.Request.ContentType != "application/octet-stream")
{
context.Response.ContentLength = 0;
context.Response.ContentType = "text/plain";
context.Response.StatusCode = (int)HttpStatusCode.BadRequest;
await context.Response.WriteAsync("HTTPSLISTENER - Unsupported content type.");
return;
}
int length = (int)context.Request.ContentLength;
byte[] buffer = await ReadBodyAsync(context.Request);
if (buffer.Length != length)
{
context.Response.ContentLength = 0;
context.Response.ContentType = "text/plain";
context.Response.StatusCode = (int)HttpStatusCode.BadRequest;
await context.Response.WriteAsync("HTTPSLISTENER - Couldn't decode buffer.");
return;
}
IServiceRequest input = (IServiceRequest)BinaryDecoder.DecodeMessage(buffer, null, m_quotas.MessageContext);
// extract the JWT token from the HTTP headers.
if (input.RequestHeader == null)
{
input.RequestHeader = new RequestHeader();
}
if (NodeId.IsNull(input.RequestHeader.AuthenticationToken) && input.TypeId != DataTypeIds.CreateSessionRequest)
{
if (context.Request.Headers.Keys.Contains("Authorization"))
{
foreach (string value in context.Request.Headers["Authorization"])
{
if (value.StartsWith("Bearer"))
{
input.RequestHeader.AuthenticationToken = new NodeId(value.Substring("Bearer ".Length).Trim());
}
}
}
}
EndpointDescription endpoint = null;
foreach (var ep in m_descriptions)
{
if (ep.EndpointUrl.StartsWith(Utils.UriSchemeHttps))
{
endpoint = ep;
break;
}
}
IPAddress remoteIP = (context.Connection == null ? null : context.Connection.RemoteIpAddress);
int remotePort = (context.Connection == null ? 0 : context.Connection.RemotePort);
result = m_callback.BeginProcessRequest(
m_listenerId,
endpoint,
input as IServiceRequest,
null,
null,
remoteIP, // HONEYPOT - pass the remote IP address as an additional parameter.
remotePort); // HONEYPOT - pass the remote port as an additional parameter.
IServiceResponse output = m_callback.EndProcessRequest(result);
byte[] response = BinaryEncoder.EncodeMessage(output, m_quotas.MessageContext);
context.Response.ContentLength = response.Length;
context.Response.ContentType = context.Request.ContentType;
context.Response.StatusCode = (int)HttpStatusCode.OK;
await context.Response.Body.WriteAsync(response, 0, response.Length);
}
catch (Exception e)
{
Utils.Trace(e, "HTTPSLISTENER - Unexpected error processing request.");
context.Response.ContentLength = e.Message.Length;
context.Response.ContentType = "text/plain";
context.Response.StatusCode = (int)HttpStatusCode.InternalServerError;
await context.Response.WriteAsync(e.Message);
}
}
/// <summary>
/// Saves object in an binary stream.
/// </summary>
/// <param name="context">The context user.</param>
/// <param name="encoder">The encoder to write to.</param>
/// <param name="attributesToSave">The masks indicating what attributes to write.</param>
public override void Save(ISystemContext context, BinaryEncoder encoder, AttributesToSave attributesToSave)
{
base.Save(context, encoder, attributesToSave);
if ((attributesToSave & AttributesToSave.Executable) != 0)
{
encoder.WriteBoolean(null, m_executable);
}
if ((attributesToSave & AttributesToSave.UserExecutable) != 0)
{
encoder.WriteBoolean(null, m_userExecutable);
}
}
protected override async Task OnOpenAsync(CancellationToken token)
{
token.ThrowIfCancellationRequested();
this.sendBuffer = new byte[MinBufferSize];
this.receiveBuffer = new byte[MinBufferSize];
this.tcpClient = new System.Net.Sockets.TcpClient { NoDelay = true };
var uri = new UriBuilder(this.RemoteEndpoint.EndpointUrl);
await this.tcpClient.ConnectAsync(uri.Host, uri.Port).ConfigureAwait(false);
this.instream = this.outstream = this.tcpClient.GetStream();
// send 'hello'.
int count;
var encoder = new BinaryEncoder(new MemoryStream(this.sendBuffer, 0, MinBufferSize, true, false));
try
{
encoder.WriteUInt32(null, UaTcpMessageTypes.HELF);
encoder.WriteUInt32(null, 0u);
encoder.WriteUInt32(null, ProtocolVersion);
encoder.WriteUInt32(null, this.LocalReceiveBufferSize);
encoder.WriteUInt32(null, this.LocalSendBufferSize);
encoder.WriteUInt32(null, this.LocalMaxMessageSize);
encoder.WriteUInt32(null, this.LocalMaxChunkCount);
encoder.WriteString(null, uri.ToString());
count = encoder.Position;
encoder.Position = 4;
encoder.WriteUInt32(null, (uint)count);
encoder.Position = count;
await this.SendAsync(this.sendBuffer, 0, count, token).ConfigureAwait(false);
}
finally
{
encoder.Dispose();
}
// receive response
count = await this.ReceiveAsync(this.receiveBuffer, 0, MinBufferSize, token).ConfigureAwait(false);
if (count == 0)
{
throw new ObjectDisposedException("socket");
}
// decode 'ack' or 'err'.
var decoder = new BinaryDecoder(new MemoryStream(this.receiveBuffer, 0, count, false, false));
try
{
var type = decoder.ReadUInt32(null);
var len = decoder.ReadUInt32(null);
if (type == UaTcpMessageTypes.ACKF)
{
var remoteProtocolVersion = decoder.ReadUInt32(null);
if (remoteProtocolVersion < ProtocolVersion)
{
throw new ServiceResultException(StatusCodes.BadProtocolVersionUnsupported);
}
this.RemoteSendBufferSize = decoder.ReadUInt32(null);
this.RemoteReceiveBufferSize = decoder.ReadUInt32(null);
this.RemoteMaxMessageSize = decoder.ReadUInt32(null);
this.RemoteMaxChunkCount = decoder.ReadUInt32(null);
return;
}
else if (type == UaTcpMessageTypes.ERRF)
{
var statusCode = decoder.ReadUInt32(null);
var message = decoder.ReadString(null);
throw new ServiceResultException(statusCode, message);
}
throw new InvalidOperationException("UaTcpTransportChannel.OnOpenAsync received unexpected message type.");
}
finally
{
decoder.Dispose();
}
}
