/// <summary>
/// Receives a <see cref="ReceivedTransportMessage"/> using the underlying implementation of <see cref="IReceiveMessages"/>
/// decrypting the message body if necessary, and remove the additional encryption headers
/// </summary>
public ReceivedTransportMessage ReceiveMessage(ITransactionContext context)
{
var receivedTransportMessage = innerReceiveMessages.ReceiveMessage(context);
if (receivedTransportMessage == null)
{
return(null);
}
byte[] body;
var headers = receivedTransportMessage.Headers.Clone();
if (headers.ContainsKey(Headers.Encrypted))
{
var iv = receivedTransportMessage.GetStringHeader(Headers.EncryptionSalt);
body = helper.Decrypt(receivedTransportMessage.Body, iv);
headers.Remove(Headers.EncryptionSalt);
headers.Remove(Headers.Encrypted);
}
else
{
body = receivedTransportMessage.Body;
}
return(new ReceivedTransportMessage
{
Id = receivedTransportMessage.Id,
Headers = headers,
Label = receivedTransportMessage.Label,
Body = body,
});
}
/// <summary>
/// Receives a <see cref="ReceivedTransportMessage"/> using the underlying implementation of <see cref="IReceiveMessages"/>
/// decrypting the message body if necessary, and remove the additional encryption headers
/// </summary>
public ReceivedTransportMessage ReceiveMessage(ITransactionContext context)
{
var message = innerReceiveMessages.ReceiveMessage(context);
if (message == null)
{
return(null);
}
var clone = new ReceivedTransportMessage
{
Body = message.Body,
Headers = message.Headers.Clone(),
Label = message.Label,
Id = message.Id
};
var headers = clone.Headers;
if (encryptionHelper != null)
{
if (headers.ContainsKey(Headers.Encrypted))
{
var iv = clone.GetStringHeader(Headers.EncryptionSalt);
clone.Body = encryptionHelper.Decrypt(clone.Body, iv);
headers.Remove(Headers.EncryptionSalt);
headers.Remove(Headers.Encrypted);
}
}
if (compressionHelper != null)
{
if (headers.ContainsKey(Headers.Compression))
{
var compressionType = (headers[Headers.Compression] ?? "").ToString();
switch (compressionType)
{
case Headers.CompressionTypes.GZip:
clone.Body = compressionHelper.Decompress(clone.Body);
break;
default:
throw new ArgumentException(
string.Format(
"Received message has the {0} header, but the compression type is set to {1} which cannot be handled",
Headers.Compression, compressionType));
}
headers.Remove(Headers.Compression);
}
}
return(clone);
}