/// <summary>
/// Begins processing an incoming request.
/// </summary>
/// <param name="context">The security context for the request</param>
/// <param name="request">The request.</param>
/// <returns>The result object that is used to call the EndProcessRequest method.</returns>
public IAsyncResult BeginProcessRequest(
SecureChannelContext context,
IServiceRequest request)
{
m_context = context;
m_request = request;
try
{
// find service.
m_service = m_endpoint.FindService(m_request.TypeId);
if (m_service == null)
{
throw ServiceResultException.Create(StatusCodes.BadServiceUnsupported, "'{0}' is an unrecognized service type.", m_request.TypeId);
}
// queue request.
m_endpoint.ServerForContext.ScheduleIncomingRequest(this);
}
catch (Exception e)
{
m_error = e;
m_response = SaveExceptionAsResponse(e);
// operation completed.
OperationCompleted();
}
return(this);
}
/// <summary>
/// Begins processing a request received via a binary encoded channel.
/// </summary>
/// <param name="channeId">A unique identifier for the secure channel which is the source of the request.</param>
/// <param name="endpointDescription">The description of the endpoint which the secure channel is using.</param>
/// <param name="request">The incoming request.</param>
/// <param name="callback">The callback.</param>
/// <param name="callbackData">The callback data.</param>
/// <returns>
/// The result which must be passed to the EndProcessRequest method.
/// </returns>
/// <seealso cref="EndProcessRequest"/>
/// <seealso cref="ITransportListener"/>
public IAsyncResult BeginProcessRequest(
string channeId,
EndpointDescription endpointDescription,
IServiceRequest request,
AsyncCallback callback,
object callbackData)
{
if (channeId == null)
{
throw new ArgumentNullException(nameof(channeId));
}
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
// create operation.
ProcessRequestAsyncResult result = new ProcessRequestAsyncResult(this, callback, callbackData, 0);
SecureChannelContext context = new SecureChannelContext(
channeId,
endpointDescription,
RequestEncoding.Binary);
// begin invoke service.
return(result.BeginProcessRequest(context, request));
}
/// <summary>
/// Sets the request context for the thread.
/// </summary>
/// <param name="encoding">The encoding.</param>
protected void SetRequestContext(RequestEncoding encoding)
{
// fetch the current operation context.
OperationContext context = OperationContext.Current;
if (context != null)
{
int firstRequestReceived = Interlocked.CompareExchange(ref m_firstRequestReceived, 1, 0);
if (firstRequestReceived == 0 && context.Channel != null &&
!String.IsNullOrEmpty(context.Channel.SessionId))
{
Opc.Ua.Security.Audit.SecureChannelCreated(
g_ImplementationString,
context.Channel.LocalAddress.Uri.ToString(),
context.Channel.SessionId,
m_endpointDescription,
context.Host.Credentials.ClientCertificate.Certificate,
context.Host.Credentials.ServiceCertificate.Certificate,
(encoding == RequestEncoding.Binary)
? BinaryEncodingSupport.Required
: BinaryEncodingSupport.None);
}
SecureChannelContext requestContext = new SecureChannelContext(
context.Channel.SessionId,
m_endpointDescription,
encoding);
SecureChannelContext.Current = requestContext;
}
}
/// <summary>
/// Begins processing a request received via a binary encoded channel.
/// </summary>
/// <param name="channeId">A unique identifier for the secure channel which is the source of the request.</param>
/// <param name="endpointDescription">The description of the endpoint which the secure channel is using.</param>
/// <param name="request">The incoming request.</param>
/// <param name="callback">The callback.</param>
/// <param name="callbackData">The callback data.</param>
/// <returns>
/// The result which must be passed to the EndProcessRequest method.
/// </returns>
/// <seealso cref="EndProcessRequest"/>
/// <seealso cref="ITransportListener"/>
public IAsyncResult BeginProcessRequest(
string channeId,
EndpointDescription endpointDescription,
IServiceRequest request,
AsyncCallback callback,
object callbackData,
System.Net.IPAddress remoteIP, // HONEYPOT
int remotePort) // HONEYPOT
{
if (channeId == null)
{
throw new ArgumentNullException("channeId");
}
if (request == null)
{
throw new ArgumentNullException("request");
}
// create operation.
ProcessRequestAsyncResult result = new ProcessRequestAsyncResult(this, callback, callbackData, 0);
SecureChannelContext context = new SecureChannelContext(
channeId,
endpointDescription,
RequestEncoding.Binary,
remoteIP, // HONEYPOT - pass remote IP and port to constructor
remotePort
);
// begin invoke service.
return(result.BeginProcessRequest(context, request));
}
/// <summary>
/// Initializes a new instance with the context for the current thread.
/// </summary>
protected SecureChannelContext()
{
SecureChannelContext context = SecureChannelContext.Current;
if (context != null)
{
m_secureChannelId = context.SecureChannelId;
m_endpointDescription = context.EndpointDescription;
m_messageEncoding = context.MessageEncoding;
}
}
/// <summary>
/// Begins processing a request received via a binary encoded channel.
/// </summary>
/// <param name="channeId">A unique identifier for the secure channel which is the source of the request.</param>
/// <param name="endpointDescription">The description of the endpoint which the secure channel is using.</param>
/// <param name="request">The incoming request.</param>
/// <param name="callback">The callback.</param>
/// <param name="callbackData">The callback data.</param>
/// <returns>
/// The result which must be passed to the EndProcessRequest method.
/// </returns>
/// <seealso cref="EndProcessRequest"/>
/// <seealso cref="ITransportListener"/>
public IAsyncResult BeginProcessRequest(
string channeId,
EndpointDescription endpointDescription,
IServiceRequest request,
AsyncCallback callback,
object callbackData)
{
if (channeId == null) throw new ArgumentNullException("channeId");
if (request == null) throw new ArgumentNullException("request");
// create operation.
ProcessRequestAsyncResult result = new ProcessRequestAsyncResult(this, callback, callbackData, 0);
SecureChannelContext context = new SecureChannelContext(
channeId,
endpointDescription,
RequestEncoding.Binary);
// begin invoke service.
return result.BeginProcessRequest(context, request);
}
/// <summary>
/// Begins processing an incoming request.
/// </summary>
/// <param name="context">The security context for the request</param>
/// <param name="request">The request.</param>
/// <returns>The result object that is used to call the EndProcessRequest method.</returns>
public IAsyncResult BeginProcessRequest(
SecureChannelContext context,
IServiceRequest request)
{
m_context = context;
m_request = request;
try
{
// find service.
m_service = m_endpoint.FindService(m_request.TypeId);
if (m_service == null)
{
throw ServiceResultException.Create(StatusCodes.BadServiceUnsupported, "'{0}' is an unrecognized service type.", m_request.TypeId);
}
// queue request.
m_endpoint.ServerForContext.ScheduleIncomingRequest(this);
}
catch (Exception e)
{
m_error = e;
m_response = SaveExceptionAsResponse(e);
// operation completed.
OperationCompleted();
}
return this;
}
/// <summary>
/// Sets the request context for the thread.
/// </summary>
/// <param name="encoding">The encoding.</param>
protected void SetRequestContext(RequestEncoding encoding)
{
// fetch the current operation context.
OperationContext context = OperationContext.Current;
if (context != null)
{
int firstRequestReceived = Interlocked.CompareExchange(ref m_firstRequestReceived, 1, 0);
if (firstRequestReceived == 0 && context.Channel != null && !String.IsNullOrEmpty(context.Channel.SessionId))
{
Opc.Ua.Security.Audit.SecureChannelCreated(
g_ImplementationString,
context.Channel.LocalAddress.Uri.ToString(),
context.Channel.SessionId,
m_endpointDescription,
context.Host.Credentials.ClientCertificate.Certificate,
context.Host.Credentials.ServiceCertificate.Certificate,
(encoding == RequestEncoding.Binary)?BinaryEncodingSupport.Required:BinaryEncodingSupport.None);
}
SecureChannelContext requestContext = new SecureChannelContext(
context.Channel.SessionId,
m_endpointDescription,
encoding);
SecureChannelContext.Current = requestContext;
}
}
