private void Channel_OnOpen(object sender, ChannelOpenEventArgs e)
{
try
{
session.IsAuthenticated = Channel.IsAuthenticated;
if (session.IsAuthenticated)
{
IdentityDecoder decoder = new IdentityDecoder(session.Config.IdentityClaimType, context,
session.Config.Indexes);
session.Identity = decoder.Id;
session.Indexes = decoder.Indexes;
UserAuditRecord record = new UserAuditRecord(Channel.Id, session.Identity,
session.Config.IdentityClaimType, Channel.TypeId, "MQTT", "Granted", DateTime.UtcNow);
userAuditor?.WriteAuditRecordAsync(record).Ignore();
}
adapter = new OrleansAdapter(session.Identity, Channel.TypeId, "MQTT", graphManager, logger);
adapter.OnObserve += Adapter_OnObserve;
}
catch (Exception ex)
{
logger?.LogErrorAsync(ex, $"MQTT adapter Channel_OnOpen error on channel '{Channel.Id}'.").GetAwaiter();
OnError?.Invoke(this, new ProtocolAdapterErrorEventArgs(Channel.Id, ex));
}
}
public WsnProtocolAdapter(PiraeusConfig config, GraphManager graphManager, IChannel channel, HttpContext context, ILog logger = null)
{
this.config = config;
this.graphManager = graphManager;
this.Channel = channel;
this.logger = logger;
IdentityDecoder decoder = new IdentityDecoder(config.ClientIdentityNameClaimType, context, config.GetClientIndexes());
identity = decoder.Id;
localIndexes = decoder.Indexes;
MessageUri messageUri = new MessageUri(context.Request);
this.contentType = messageUri.ContentType;
this.cacheKey = messageUri.CacheKey;
this.resource = messageUri.Resource;
this.subscriptions = messageUri.Subscriptions != null ? new List <string>(messageUri.Subscriptions) : null;
this.indexes = messageUri.Indexes != null ? new List <KeyValuePair <string, string> >(messageUri.Indexes) : null;
auditFactory = AuditFactory.CreateSingleton();
if (config.AuditConnectionString != null && config.AuditConnectionString.Contains("DefaultEndpointsProtocol"))
{
auditFactory.Add(new AzureTableAuditor(config.AuditConnectionString, "messageaudit"), AuditType.Message);
auditFactory.Add(new AzureTableAuditor(config.AuditConnectionString, "useraudit"), AuditType.User);
}
else if (config.AuditConnectionString != null)
{
auditFactory.Add(new FileAuditor(config.AuditConnectionString), AuditType.Message);
auditFactory.Add(new FileAuditor(config.AuditConnectionString), AuditType.User);
}
messageAuditor = auditFactory.GetAuditor(AuditType.Message);
userAuditor = auditFactory.GetAuditor(AuditType.User);
}
public void EnsureAuthentication(CoapMessage message, bool force = false)
{
if (!IsAuthenticated || force)
{
CoapUri coapUri = new CoapUri(message.ResourceUri.ToString());
if (!Authenticate(coapUri.TokenType, coapUri.SecurityToken))
{
throw new SecurityException("CoAP session not authenticated.");
}
IdentityDecoder decoder = new IdentityDecoder(Config.IdentityClaimType, context, Config.Indexes);
Identity = decoder.Id;
Indexes = decoder.Indexes;
}
}
private void Channel_OnOpen(object sender, ChannelOpenEventArgs e)
{
session.IsAuthenticated = Channel.IsAuthenticated;
logger?.LogDebugAsync(
$"CoAP protocol channel opening with session authenticated '{session.IsAuthenticated}'.").GetAwaiter();
try
{
if (!Channel.IsAuthenticated && e.Message != null)
{
CoapMessage msg = CoapMessage.DecodeMessage(e.Message);
CoapUri coapUri = new CoapUri(msg.ResourceUri.ToString());
session.IsAuthenticated = session.Authenticate(coapUri.TokenType, coapUri.SecurityToken);
logger?.LogDebugAsync(
$"CoAP protocol channel opening session authenticated '{session.IsAuthenticated}' by authenticator.")
.GetAwaiter();
}
if (session.IsAuthenticated)
{
IdentityDecoder decoder = new IdentityDecoder(session.Config.IdentityClaimType, context,
session.Config.Indexes);
session.Identity = decoder.Id;
session.Indexes = decoder.Indexes;
logger?.LogDebugAsync($"CoAP protocol channel opening with session identity '{session.Identity}'.")
.GetAwaiter();
UserAuditRecord record = new UserAuditRecord(Channel.Id, session.Identity,
session.Config.IdentityClaimType, Channel.TypeId, "COAP", "Granted", DateTime.UtcNow);
userAuditor?.WriteAuditRecordAsync(record).Ignore();
}
}
catch (Exception ex)
{
logger?.LogErrorAsync(ex, $"CoAP adapter opening channel '{Channel.Id}'.").GetAwaiter();
OnError?.Invoke(this, new ProtocolAdapterErrorEventArgs(Channel.Id, ex));
}
if (!session.IsAuthenticated && e.Message != null)
{
logger?.LogWarningAsync("CoAP adpater closing due to unauthenticated user.");
Channel.CloseAsync().Ignore();
}
else
{
dispatcher = new CoapRequestDispatcher(session, Channel, config, graphManager, logger);
}
}
private void Channel_OnReceive(object sender, ChannelReceivedEventArgs e)
{
try
{
MqttMessage msg = MqttMessage.DecodeMessage(e.Message);
OnObserve?.Invoke(this, new ChannelObserverEventArgs(Channel.Id, null, null, e.Message));
if (!session.IsAuthenticated)
{
if (!(msg is ConnectMessage message))
{
throw new SecurityException("Connect message not first message");
}
if (session.Authenticate(message.Username, message.Password))
{
IdentityDecoder decoder = new IdentityDecoder(session.Config.IdentityClaimType, context,
session.Config.Indexes);
session.Identity = decoder.Id;
session.Indexes = decoder.Indexes;
adapter.Identity = decoder.Id;
UserAuditRecord record = new UserAuditRecord(Channel.Id, session.Identity,
session.Config.IdentityClaimType, Channel.TypeId, "MQTT", "Granted", DateTime.UtcNow);
userAuditor?.WriteAuditRecordAsync(record).Ignore();
}
else
{
throw new SecurityException("Session could not be authenticated.");
}
}
else if (forcePerReceiveAuthn)
{
if (!session.Authenticate())
{
throw new SecurityException("Per receive authentication failed.");
}
}
ProcessMessageAsync(msg).GetAwaiter();
}
catch (Exception ex)
{
logger?.LogErrorAsync(ex, $"MQTT adapter Channel_OnReceive error on channel '{Channel.Id}'.")
.GetAwaiter();
OnError?.Invoke(this, new ProtocolAdapterErrorEventArgs(Channel.Id, ex));
}
}
public RestProtocolAdapter(PiraeusConfig config, GraphManager graphManager, IChannel channel,
HttpContext context, ILog logger = null)
{
this.config = config;
this.channel = channel;
this.logger = logger;
method = context.Request.Method.ToUpperInvariant();
messageUri = new MessageUri(context.Request);
IdentityDecoder decoder =
new IdentityDecoder(config.ClientIdentityNameClaimType, context, config.GetClientIndexes());
identity = decoder.Id;
indexes = decoder.Indexes;
adapter = new OrleansAdapter(identity, channel.TypeId, "REST", graphManager, logger);
if (method == "GET")
{
adapter.OnObserve += Adapter_OnObserve;
}
protocolType = ProtocolType.REST;
contentType = messageUri.ContentType;
resource = messageUri.Resource;
subscriptions = messageUri.Subscriptions;
auditFactory = AuditFactory.CreateSingleton();
if (config.AuditConnectionString != null &&
config.AuditConnectionString.Contains("DefaultEndpointsProtocol"))
{
auditFactory.Add(new AzureTableAuditor(config.AuditConnectionString, "messageaudit"),
AuditType.Message);
auditFactory.Add(new AzureTableAuditor(config.AuditConnectionString, "useraudit"), AuditType.User);
}
else if (config.AuditConnectionString != null)
{
auditFactory.Add(new FileAuditor(config.AuditConnectionString), AuditType.Message);
auditFactory.Add(new FileAuditor(config.AuditConnectionString), AuditType.User);
}
messageAuditor = auditFactory.GetAuditor(AuditType.Message);
userAuditor = auditFactory.GetAuditor(AuditType.User);
}
private void Channel_OnOpen(object sender, ChannelOpenEventArgs e)
{
session.IsAuthenticated = Channel.IsAuthenticated;
try
{
if (!Channel.IsAuthenticated && e.Message != null)
{
CoapMessage msg = CoapMessage.DecodeMessage(e.Message);
CoapUri coapUri = new CoapUri(msg.ResourceUri.ToString());
session.IsAuthenticated = session.Authenticate(coapUri.TokenType, coapUri.SecurityToken);
}
if (session.IsAuthenticated)
{
IdentityDecoder decoder = new IdentityDecoder(session.Config.IdentityClaimType, context, session.Config.Indexes);
session.Identity = decoder.Id;
session.Indexes = decoder.Indexes;
UserAuditRecord record = new UserAuditRecord(Channel.Id, session.Identity, session.Config.IdentityClaimType, Channel.TypeId, "COAP", "Granted", DateTime.UtcNow);
userAuditor?.WriteAuditRecordAsync(record).Ignore();
}
}
catch (Exception ex)
{
logger?.LogError(ex, $"CoAP adapter opening channel '{Channel.Id}'.");
OnError?.Invoke(this, new ProtocolAdapterErrorEventArgs(Channel.Id, ex));
}
if (!session.IsAuthenticated && e.Message != null)
{
//close the channel
logger?.LogInformation($"CoAP adapter user not authenticated; must close channel '{Channel.Id}'.");
Channel.CloseAsync().Ignore();
}
else
{
dispatcher = new CoapRequestDispatcher(session, Channel);
}
}
private void Channel_OnOpen(object sender, ChannelOpenEventArgs e)
{
if (!Channel.IsAuthenticated) //requires channel authentication
{
OnError?.Invoke(this, new ProtocolAdapterErrorEventArgs(Channel.Id, new SecurityException("Not authenticated.")));
Channel.CloseAsync().Ignore();
return;
}
if (e.Message.Method != HttpMethod.Post && e.Message.Method != HttpMethod.Get)
{
Channel.CloseAsync().Ignore();
OnError?.Invoke(this, new ProtocolAdapterErrorEventArgs(Channel.Id, new SecurityException("Rest protocol adapter requires GET or POST only.")));
}
MessageUri uri = new MessageUri(e.Message);
IdentityDecoder decoder = new IdentityDecoder(config.ClientIdentityNameClaimType, context, config.GetClientIndexes());
identity = decoder.Id;
adapter = new OrleansAdapter(decoder.Id, "HTTP", "REST");
adapter.OnObserve += Adapter_OnObserve;
HttpRequestMessage request = (HttpRequestMessage)e.Message;
AuditRecord record = new UserAuditRecord(Channel.Id, identity, config.ClientIdentityNameClaimType, Channel.TypeId, String.Format("REST-{0}", request.Method.ToString()), "Granted", DateTime.UtcNow);
userAuditor?.WriteAuditRecordAsync(record).Ignore();
if (request.Method == HttpMethod.Get)
{
foreach (var item in uri.Subscriptions)
{
Task t = Task.Factory.StartNew(async() =>
{
await SubscribeAsync(item, decoder.Id, decoder.Indexes);
});
t.LogExceptions();
}
}
if (request.Method == HttpMethod.Post)
{
byte[] buffer = request.Content.ReadAsByteArrayAsync().Result;
Task t = Task.Factory.StartNew(async() =>
{
EventMetadata metadata = await GraphManager.GetPiSystemMetadataAsync(uri.Resource);
EventMessage message = new EventMessage(uri.ContentType, uri.Resource, ProtocolType.REST, buffer, DateTime.UtcNow, metadata.Audit);
if (!string.IsNullOrEmpty(uri.CacheKey))
{
message.CacheKey = uri.CacheKey;
}
List <KeyValuePair <string, string> > indexList = uri.Indexes == null ? null : new List <KeyValuePair <string, string> >(uri.Indexes);
await PublishAsync(decoder.Id, message, indexList);
await Channel.CloseAsync();
});
t.LogExceptions();
}
}