internal virtual object?Send(IAgentMessage message)
{
using var socketStream = new SshAgentSocketStream(_socketPath);
using var writer = new AgentWriter(socketStream);
using var reader = new AgentReader(socketStream);
message.To(writer);
return(message.From(reader));
}
internal override object?Send(IAgentMessage message)
{
using var socketStream = new PageantSocketStream();
using var writer = new AgentWriter(socketStream);
using var reader = new AgentReader(socketStream);
message.To(writer);
socketStream.Send();
return(message.From(reader));
}
/// <inheritdoc />
public virtual async Task SendAsync(Wallet wallet, IAgentMessage message, ConnectionRecord connection,
string recipientKey = null)
{
Logger.LogInformation(LoggingEvents.SendMessage, "Recipient {0} Endpoint {1}", connection.TheirVk,
connection.Endpoint.Uri);
if (string.IsNullOrEmpty(message.Id))
{
throw new AgentFrameworkException(ErrorCode.InvalidMessage, "@id field on message must be populated");
}
if (string.IsNullOrEmpty(message.Type))
{
throw new AgentFrameworkException(ErrorCode.InvalidMessage, "@type field on message must be populated");
}
var encryptionKey = recipientKey
?? connection.TheirVk
?? throw new AgentFrameworkException(
ErrorCode.A2AMessageTransmissionError, "Cannot find encryption key");
var inner = await CryptoUtils.PackAsync(
wallet, encryptionKey, connection.MyVk, message.ToByteArray());
var forward = await CryptoUtils.PackAsync(
wallet, connection.Endpoint.Verkey, null,
new ForwardMessage { Message = inner.GetUTF8String(), To = encryptionKey });
var request = new HttpRequestMessage
{
RequestUri = new Uri(connection.Endpoint.Uri),
Method = HttpMethod.Post,
Content = new ByteArrayContent(forward)
};
request.Content.Headers.ContentType = new MediaTypeHeaderValue(AgentWireMessageMimeType);
try
{
var response = await HttpClient.SendAsync(request);
response.EnsureSuccessStatusCode();
}
catch (Exception e)
{
throw new AgentFrameworkException(
ErrorCode.A2AMessageTransmissionError, "Failed to send A2A message", e);
}
}
public static async Task <AgentMessageEnvelope> Create(
ICryptographicImplementation cryptographicImplementation,
string originator,
string target,
IAgentMessage message)
{
var envelope = new AgentMessageEnvelope()
{
Created = DateTimeOffset.UtcNow,
Originator = originator,
Target = target,
MessageType = message.GetType().Name,
Message = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(message))
};
envelope.Signature = await cryptographicImplementation.Sign(
await GetMessageEnvelopeHash(cryptographicImplementation, envelope));
return(envelope);
}
/// <inheritdoc />
/// <param name="message">The message.</param>
public MessagePayload(IAgentMessage message)
: this(message.ToJson(), false)
{
}
/// <summary>Wraps the message in payload.</summary> /// <param name="agentMessage">The agent message.</param> /// <returns></returns> public static MessagePayload AsMessagePayload(this IAgentMessage agentMessage) => new MessagePayload(agentMessage);
