public FilterResult Out(MessageHeader header, IMessageDataContainer container)
{
var result = new FilterResult { OK = true };
try
{
using (var scope = ObjectHost.Host.BeginLifetimeScope())
{
var plainText = container.Take();
var keyId = container.Take().ToHex();
var keyProvider = scope.Resolve<ICryptoKeyProvider>();
var pubKey = keyProvider.GetPublicKey(keyId);
if (pubKey != null && pubKey.Length > 0)
{
container.Push(new RSACrypto().Encrypt(pubKey, plainText));
}
else result = new FilterResult { Error = ErrorCode.CryptoKeyReadFailed };
}
}
catch (Exception ex)
{
result = new FilterResult { Error = ErrorCode.EncryptFailed };
Log.Error(result.Error.ToString(), ex);
}
return result;
}
public FilterResult In(IMessageDataContainer container)
{
var result = new FilterResult { OK = true };
var checksum = BitConverter.ToUInt32(container.Take(), 0);
var header = container.Take();
var content = container.Take();
var data = header.Concat(content);
if (Crc32.VerifyDigest(checksum, header.Concat(content), (uint)0, (uint)data.Length))
{
container.Push(content);
}
else result = new FilterResult { Error = ErrorCode.DataBroken };
return result;
}
public FilterResult In(IMessageDataContainer container)
{
var result = new FilterResult { OK = true };
try
{
var data = container.Take();
if (data.Length > 0)
container.Push(data.Unzip());
}
catch (Exception ex)
{
result = new FilterResult { Error = ErrorCode.UnzipFailed };
Log.Error(result.Error.ToString(), ex);
}
return result;
}
public FilterResult In(IMessageDataContainer container)
{
var result = new FilterResult {
OK = true
};
var checksum = BitConverter.ToUInt32(container.Take(), 0);
var header = container.Take();
var content = container.Take();
var data = header.Concat(content);
if (Crc32.VerifyDigest(checksum, header.Concat(content), (uint)0, (uint)data.Length))
{
container.Push(content);
}
else
{
result = new FilterResult {
Error = ErrorCode.DataBroken
}
};
return(result);
}
public FilterResult In(IMessageDataContainer container)
{
var result = new FilterResult {
OK = true
};
try
{
var data = container.Take();
if (data.Length > 0)
{
container.Push(data.Unzip());
}
}
catch (Exception ex)
{
result = new FilterResult {
Error = ErrorCode.UnzipFailed
};
Log.Error(result.Error.ToString(), ex);
}
return(result);
}
