/// <inheritdoc />
public virtual async Task <ConnectionResponseMessage> AcceptRequestAsync(IAgentContext agentContext, string connectionId)
{
Logger.LogInformation(LoggingEvents.AcceptConnectionRequest, "ConnectionId {0}", connectionId);
var connection = await GetAsync(agentContext, connectionId);
if (connection.State != ConnectionState.Negotiating)
{
throw new AgentFrameworkException(ErrorCode.RecordInInvalidState,
$"Connection state was invalid. Expected '{ConnectionState.Negotiating}', found '{connection.State}'");
}
var connectionCopy = connection.DeepCopy();
await Pairwise.CreateAsync(agentContext.Wallet, connection.TheirDid, connection.MyDid, connection.Endpoint.ToJson());
await connection.TriggerAsync(ConnectionTrigger.Request);
await RecordService.UpdateAsync(agentContext.Wallet, connection);
// Send back response message
var provisioning = await ProvisioningService.GetProvisioningAsync(agentContext.Wallet);
return(new ConnectionResponseMessage
{
Did = connection.MyDid,
Endpoint = provisioning.Endpoint,
Verkey = connection.MyVk
});
}
/// <inheritdoc />
public async Task ProcessResponseAsync(Wallet wallet, ConnectionResponseMessage response)
{
Logger.LogInformation(LoggingEvents.AcceptConnectionResponse, "To {0}", response.To);
var(didOrKey, _) = MessageUtils.ParseMessageType(response.Type);
var connectionSearch = await RecordService.SearchAsync <ConnectionRecord>(wallet,
new SearchRecordQuery { { TagConstants.MyDid, didOrKey } }, null, 1);
var connection = connectionSearch.Single();
await connection.TriggerAsync(ConnectionTrigger.Response);
var(connectionDetails, _) = await MessageSerializer.UnpackSealedAsync <ConnectionDetails>(response.Content,
wallet, connection.MyVk);
await Did.StoreTheirDidAsync(wallet,
new { did = connectionDetails.Did, verkey = connectionDetails.Verkey }.ToJson());
await Pairwise.CreateAsync(wallet, connectionDetails.Did, connection.MyDid,
connectionDetails.Endpoint.ToJson());
connection.TheirDid = connectionDetails.Did;
connection.TheirVk = connectionDetails.Verkey;
if (connectionDetails.Endpoint != null)
{
connection.Endpoint = connectionDetails.Endpoint;
}
connection.Tags.Add(TagConstants.TheirDid, connectionDetails.Did);
await RecordService.UpdateAsync(wallet, connection);
}
/// <inheritdoc />
public async Task <string> ProcessResponseAsync(IAgentContext agentContext, ConnectionResponseMessage response)
{
Logger.LogInformation(LoggingEvents.AcceptConnectionResponse, "To {1}", agentContext.Connection.MyDid);
await Did.StoreTheirDidAsync(agentContext.Wallet,
new { did = response.Did, verkey = response.Verkey }.ToJson());
await Pairwise.CreateAsync(agentContext.Wallet, response.Did, agentContext.Connection.MyDid,
response.Endpoint.ToJson());
agentContext.Connection.TheirDid = response.Did;
agentContext.Connection.TheirVk = response.Verkey;
if (response.Endpoint != null)
{
agentContext.Connection.Endpoint = response.Endpoint;
}
await agentContext.Connection.TriggerAsync(ConnectionTrigger.Response);
await RecordService.UpdateAsync(agentContext.Wallet, agentContext.Connection);
EventAggregator.Publish(new ServiceMessageProcessingEvent
{
RecordId = agentContext.Connection.Id,
MessageType = response.Type,
});
return(agentContext.Connection.Id);
}
public async Task TestGetPairwiseWorks()
{
await Pairwise.CreateAsync(wallet, theirDid, myDid, METADATA);
var pairwiseInfoJson = await Pairwise.GetAsync(wallet, theirDid);
var pairwiseInfo = JObject.Parse(pairwiseInfoJson);
Assert.AreEqual(myDid, pairwiseInfo.Value <string>("my_did"));
Assert.AreEqual(METADATA, pairwiseInfo.Value <string>("metadata"));
}
public async Task TestListPairwiseWorks()
{
await Pairwise.CreateAsync(wallet, theirDid, myDid, null);
var listPairwise = await Pairwise.ListAsync(wallet);
var listPairwiseArray = JArray.Parse(listPairwise);
Assert.AreEqual(1, listPairwiseArray.Count);
Assert.AreEqual(listPairwiseArray[0].ToString(), string.Format(PAIR_TEMPLATE, myDid, theirDid));
}
public async Task TestGetPairwiseWorksWhenNoMetadataIsPresent()
{
await Pairwise.CreateAsync(wallet, theirDid, myDid, null);
var pairwiseInfoJson = await Pairwise.GetAsync(wallet, theirDid);
var pairwiseInfo = JObject.Parse(pairwiseInfoJson);
Assert.AreEqual(myDid, pairwiseInfo.Value <string>("my_did"));
Assert.IsNull(pairwiseInfo["metadata"]);
}
public async Task TestSetPairwiseMetadataWorks()
{
await Pairwise.CreateAsync(wallet, theirDid, myDid, null);
var pairwiseWithoutMetadata = await Pairwise.GetAsync(wallet, theirDid);
await Pairwise.SetMetadataAsync(wallet, theirDid, METADATA);
var pairwiseWithMetadata = await Pairwise.GetAsync(wallet, theirDid);
Assert.AreNotEqual(pairwiseWithoutMetadata, pairwiseWithMetadata);
Assert.AreEqual(string.Format(PAIRWISE_TEMPLATE, myDid, METADATA), pairwiseWithMetadata);
}
[Ignore] //Bug in SDK?
public async Task TestSetPairwiseMetadataWorksWithNull()
{
await Pairwise.CreateAsync(wallet, theirDid, myDid, METADATA);
var pairwiseWithMetadata = await Pairwise.GetAsync(wallet, theirDid);
await Pairwise.SetMetadataAsync(wallet, theirDid, null);
var pairwiseWithoutMetadata = await Pairwise.GetAsync(wallet, theirDid);
var pairwiseInfo = JObject.Parse(pairwiseWithoutMetadata);
Assert.AreNotEqual(pairwiseWithoutMetadata, pairwiseWithMetadata);
Assert.IsNull(pairwiseInfo["metadata"]);
}
[Ignore] //Bug in SDK?
public async Task TestSetPairwiseMetadataWorksWithEmptyString()
{
await Pairwise.CreateAsync(wallet, theirDid, myDid, METADATA);
var pairwiseWithMetadata = await Pairwise.GetAsync(wallet, theirDid);
await Pairwise.SetMetadataAsync(wallet, theirDid, string.Empty);
var pairwiseWithoutMetadata = await Pairwise.GetAsync(wallet, theirDid);
var pairwiseInfo = JObject.Parse(pairwiseWithoutMetadata);
Assert.AreNotEqual(pairwiseWithoutMetadata, pairwiseWithMetadata);
Assert.AreEqual(string.Empty, pairwiseInfo.Value <string>("metadata"));
}
/// <inheritdoc />
public virtual async Task <(ConnectionResponseMessage, ConnectionRecord)> CreateResponseAsync(IAgentContext agentContext, string connectionId)
{
Logger.LogInformation(LoggingEvents.AcceptConnectionRequest, "ConnectionId {0}", connectionId);
var connection = await GetAsync(agentContext, connectionId);
if (connection.State != ConnectionState.Negotiating)
{
throw new AgentFrameworkException(ErrorCode.RecordInInvalidState,
$"Connection state was invalid. Expected '{ConnectionState.Negotiating}', found '{connection.State}'");
}
await Pairwise.CreateAsync(agentContext.Wallet, connection.TheirDid, connection.MyDid, connection.Endpoint.ToJson());
await connection.TriggerAsync(ConnectionTrigger.Request);
await RecordService.UpdateAsync(agentContext.Wallet, connection);
// Send back response message
var provisioning = await ProvisioningService.GetProvisioningAsync(agentContext.Wallet);
string responseEndpoint = string.Empty;
var records = await CloudAgentRegistrationService.GetAllCloudAgentAsync(agentContext.Wallet);
if (records.Count > 0)
{
var record = CloudAgentRegistrationService.getRandomCloudAgent(records);
responseEndpoint = record.Endpoint.ResponseEndpoint + "/" + record.MyConsumerId;
}
var connectionData = new Connection
{
Did = connection.MyDid,
DidDoc = connection.MyDidDoc(provisioning, responseEndpoint)
};
var sigData = await SignatureUtils.SignData(agentContext, connectionData, connection.GetTag(TagConstants.ConnectionKey));
var threadId = connection.GetTag(TagConstants.LastThreadId);
var response = new ConnectionResponseMessage {
ConnectionSig = sigData
};
response.ThreadFrom(threadId);
return(response, connection);
}
/// <inheritdoc />
public virtual async Task AcceptRequestAsync(Wallet wallet, string connectionId)
{
Logger.LogInformation(LoggingEvents.AcceptConnectionRequest, "ConnectionId {0}", connectionId);
var connection = await GetAsync(wallet, connectionId);
await connection.TriggerAsync(ConnectionTrigger.Request);
await Pairwise.CreateAsync(wallet, connection.TheirDid, connection.MyDid, connection.Endpoint.ToJson());
await RecordService.UpdateAsync(wallet, connection);
// Send back response message
var provisioning = await ProvisioningService.GetProvisioningAsync(wallet);
var response = new ConnectionDetails
{
Did = connection.MyDid,
Endpoint = provisioning.Endpoint,
Verkey = connection.MyVk
};
var responseMessage =
await MessageSerializer.PackSealedAsync <ConnectionResponseMessage>(response, wallet, connection.MyVk,
connection.TheirVk);
responseMessage.Type =
MessageUtils.FormatDidMessageType(connection.TheirDid, MessageTypes.ConnectionResponse);
responseMessage.To = connection.TheirDid;
var forwardMessage = new ForwardEnvelopeMessage
{
Type = MessageUtils.FormatDidMessageType(connection.TheirDid, MessageTypes.Forward),
Content = responseMessage.ToJson()
};
await RouterService.ForwardAsync(forwardMessage, connection.Endpoint);
}
async Task CheckCloudMessages()
{
// Check my cloud for new messages
var messages = await SendToCloudAgent(StreetcredMessages.GET_MESSAGES, new GetMessages());
var getMessages = new GetMessagesResponse();
getMessages.MergeFrom(messages.Content);
foreach (var message in getMessages.Messages)
{
switch (message.Type)
{
case SovrinMessages.CONNECTION_RESPONSE:
{
var decrypted = await Crypto.AnonDecryptAsync(wallet, myVk, message.Content.ToByteArray());
var theirKey = await Did.KeyForDidAsync(pool, wallet, message.Origin);
await Did.StoreTheirDidAsync(wallet, JsonConvert.SerializeObject(new { did = message.Origin, verkey = theirKey }));
await Pairwise.CreateAsync(wallet, message.Origin, myDid, null);
var ack = new ConnectionAcknowledgement();
ack.Message = "Success";
var encrypted = await Crypto.AuthCryptAsync(wallet, myVk, theirKey, ack.ToByteArray());
Console.WriteLine($"Sending connection acknowledgement to {agentDid} for {message.Origin} connection");
await SendToOrganizationAgent(SovrinMessages.CONNECTION_ACKONOWLEDGEMENT, message.Origin, agentDid, encrypted);
break;
}
}
}
}
/// <inheritdoc />
public virtual async Task <string> ProcessResponseAsync(IAgentContext agentContext, ConnectionResponseMessage response, ConnectionRecord connection)
{
Logger.LogInformation(LoggingEvents.AcceptConnectionResponse, "To {1}", connection.MyDid);
//TODO throw exception or a problem report if the connection request features a did doc that has no indy agent did doc convention featured
//i.e there is no way for this agent to respond to messages. And or no keys specified
var connectionObj = SignatureUtils.UnpackAndVerifyData <Connection>(response.ConnectionSig);
await Did.StoreTheirDidAsync(agentContext.Wallet,
new { did = connectionObj.Did, verkey = connectionObj.DidDoc.Keys[0].PublicKeyBase58 }.ToJson());
await Pairwise.CreateAsync(agentContext.Wallet, connectionObj.Did, connection.MyDid,
connectionObj.DidDoc.Services[0].ServiceEndpoint);
connection.TheirDid = connectionObj.Did;
connection.TheirVk = connectionObj.DidDoc.Keys[0].PublicKeyBase58;
connection.SetTag(TagConstants.LastThreadId, response.GetThreadId());
if (connectionObj.DidDoc.Services[0] is IndyAgentDidDocService service)
{
connection.Endpoint = new AgentEndpoint(service.ServiceEndpoint, null, service.RoutingKeys != null && service.RoutingKeys.Count > 0 ? service.RoutingKeys[0] : null);
}
await connection.TriggerAsync(ConnectionTrigger.Response);
await RecordService.UpdateAsync(agentContext.Wallet, connection);
EventAggregator.Publish(new ServiceMessageProcessingEvent
{
RecordId = connection.Id,
MessageType = response.Type,
ThreadId = response.GetThreadId()
});
return(connection.Id);
}
public async Task TestCreatePairwiseWalletItemNotFoundExceptionForNotFoundMyDid()
{
var ex = await Assert.ThrowsExceptionAsync <WalletItemNotFoundException>(() =>
Pairwise.CreateAsync(wallet, theirVerkey, DID1, null)
);
}
public async Task TestPairwiseExistsWorks()
{
await Pairwise.CreateAsync(wallet, theirDid, myDid, null);
Assert.IsTrue(await Pairwise.IsExistsAsync(wallet, theirDid));
}
public async Task TestCreatePairwiseWorksForEmptyMetadata()
{
await Pairwise.CreateAsync(wallet, theirDid, myDid, null);
}
public async Task TestCreatePairwiseWorks()
{
await Pairwise.CreateAsync(wallet, theirDid, myDid, METADATA);
}
public async Task TestCreatePairwiseWorksForNotFoundTheirDid()
{
var ex = await Assert.ThrowsExceptionAsync <WalletValueNotFoundException>(() =>
Pairwise.CreateAsync(wallet, DID1, myDid, null)
);
}