public static MessageBase Decode(UpnpNatDevice device, string message)
{
XmlNode node;
XmlDocument doc = new XmlDocument();
doc.LoadXml(message);
XmlNamespaceManager nsm = new XmlNamespaceManager(doc.NameTable);
// Error messages should be found under this namespace
nsm.AddNamespace("errorNs", "urn:schemas-upnp-org:control-1-0");
nsm.AddNamespace("responseNs", device.ServiceType);
// Check to see if we have a fault code message.
if ((node = doc.SelectSingleNode("//errorNs:UPnPError", nsm)) != null)
{
string errorCode = node["errorCode"] != null ? node["errorCode"].InnerText : "";
string errorDescription = node["errorDescription"] != null ? node["errorDescription"].InnerText : "";
return(new ErrorMessage(Convert.ToInt32(errorCode, CultureInfo.InvariantCulture), errorDescription));
}
if ((doc.SelectSingleNode("//responseNs:AddPortMappingResponse", nsm)) != null)
{
return(new CreatePortMappingResponseMessage());
}
if ((doc.SelectSingleNode("//responseNs:DeletePortMappingResponse", nsm)) != null)
{
return(new DeletePortMapResponseMessage());
}
if ((node = doc.SelectSingleNode("//responseNs:GetExternalIPAddressResponse", nsm)) != null)
{
string newExternalIPAddress = node["NewExternalIPAddress"] != null ? node["NewExternalIPAddress"].InnerText : "";
return(new GetExternalIPAddressResponseMessage(newExternalIPAddress));
}
if ((node = doc.SelectSingleNode("//responseNs:GetGenericPortMappingEntryResponse", nsm)) != null)
{
return(new GetGenericPortMappingEntryResponseMessage(node, true));
}
if ((node = doc.SelectSingleNode("//responseNs:GetSpecificPortMappingEntryResponse", nsm)) != null)
{
return(new GetGenericPortMappingEntryResponseMessage(node, false));
}
NatUtility.Log("Unknown message returned. Please send me back the following XML:");
NatUtility.Log(message);
return(null);
}
public static ResponseMessage Decode(UpnpNatDevice device, string message)
{
XmlNode node;
XmlDocument doc = new XmlDocument();
doc.LoadXml(message);
XmlNamespaceManager nsm = new XmlNamespaceManager(doc.NameTable);
// Error messages should be found under this namespace
nsm.AddNamespace("errorNs", "urn:schemas-upnp-org:control-1-0");
nsm.AddNamespace("responseNs", device.ServiceType);
// Check to see if we have a fault code message.
if ((node = doc.SelectSingleNode("//errorNs:UPnPError", nsm)) != null)
{
string errorCode = node["errorCode"] != null ? node["errorCode"].InnerText : "";
string errorDescription = node["errorDescription"] != null ? node["errorDescription"].InnerText : "";
throw new MappingException((ErrorCode)int.Parse(errorCode), errorDescription);
}
if ((doc.SelectSingleNode("//responseNs:AddPortMappingResponse", nsm)) != null)
{
return(new CreatePortMappingResponseMessage());
}
if ((doc.SelectSingleNode("//responseNs:DeletePortMappingResponse", nsm)) != null)
{
return(new DeletePortMapResponseMessage());
}
if ((node = doc.SelectSingleNode("//responseNs:GetExternalIPAddressResponse", nsm)) != null)
{
return(new GetExternalIPAddressResponseMessage(node));
}
if ((node = doc.SelectSingleNode("//responseNs:GetGenericPortMappingEntryResponse", nsm)) != null)
{
return(new GetGenericPortMappingEntryResponseMessage(node));
}
if ((node = doc.SelectSingleNode("//responseNs:GetSpecificPortMappingEntryResponse", nsm)) != null)
{
return(new GetSpecificPortMappingEntryResponseMessage(node));
}
Log.ErrorFormatted("Unknown message returned. Please send me back the following XML: {0}", message);
return(null);
}
public virtual Task <UpnpNatDevice> Handle(IPAddress localAddress, byte[] response, IPEndPoint endpoint)
{
// Convert it to a string for easy parsing
string dataString = null;
string urn;
dataString = Encoding.UTF8.GetString(response);
if (NatUtility.Verbose)
{
NatUtility.Log("UPnP Response: {0}", dataString);
}
/* For UPnP Port Mapping we need ot find either WANPPPConnection or WANIPConnection.
* Any other device type is no good to us for this purpose. See the IGP overview paper
* page 5 for an overview of device types and their hierarchy.
* http://upnp.org/specs/gw/UPnP-gw-InternetGatewayDevice-v1-Device.pdf */
/* TODO: Currently we are assuming version 1 of the protocol. We should figure out which
* version it is and apply the correct URN. */
/* Some routers don't correctly implement the version ID on the URN, so we only search for the type
* prefix. */
string log = "UPnP Response: Router advertised a '{0}' service";
StringComparison c = StringComparison.OrdinalIgnoreCase;
if (dataString.IndexOf("urn:schemas-upnp-org:service:WANIPConnection:", c) != -1)
{
urn = "urn:schemas-upnp-org:service:WANIPConnection:1";
NatUtility.Log(log, "urn:schemas-upnp-org:service:WANIPConnection:1");
}
else if (dataString.IndexOf("urn:schemas-upnp-org:service:WANPPPConnection:", c) != -1)
{
urn = "urn:schemas-upnp-org:service:WANPPPConnection:1";
NatUtility.Log(log, "urn:schemas-upnp-org:service:WANPPPConnection:");
}
else
{
throw new NotSupportedException("Received non-supported device type");
}
// We have an internet gateway device now
var device = new UpnpNatDevice(localAddress, dataString, urn, Logger, HttpClient);
return(Task.FromResult(device));
}
public GetSpecificPortMappingEntryMessage(Protocol protocol, int externalPort, UpnpNatDevice device)
: base(device, "GetSpecificPortMappingEntry")
{
Protocol = protocol;
ExternalPort = externalPort;
}
protected RequestMessage(UpnpNatDevice device, string requestType)
{
Device = device;
RequestType = requestType;
}
public GetExternalIPAddressMessage(UpnpNatDevice device)
: base(device)
{
}
public CreatePortMappingMessage(Mapping mapping, IPAddress localIpAddress, UpnpNatDevice device)
: base(device, "AddPortMapping")
{
Mapping = mapping;
LocalIpAddress = localIpAddress;
}
protected MessageBase(UpnpNatDevice device)
{
this.device = device;
}
public DeletePortMappingMessage(Mapping mapping, UpnpNatDevice device)
: base(device, "DeletePortMapping")
{
Mapping = mapping;
}
public CreatePortMappingMessage(Mapping mapping, IPAddress localIpAddress, UpnpNatDevice device)
: base(device)
{
this.mapping = mapping;
this.localIpAddress = localIpAddress;
}
public DeletePortMappingMessage(Mapping mapping, UpnpNatDevice device)
: base(device)
{
this.mapping = mapping;
}
public GetGenericPortMappingEntry(int index, UpnpNatDevice device)
: base(device, "GetGenericPortMappingEntry")
{
Index = index;
}
public GetGenericPortMappingEntry(int index, UpnpNatDevice device)
: base(device)
{
this.index = index;
}