void HandleSubscribe(XElement Node)
{
if (OnSubscribe == null)
{
return;
}
JID From = new JID(Node.Attribute("from").Value);
SubscribeResponse Action = OnSubscribe.Invoke(From);
if (Action == SubscribeResponse.Reject)
{
return;
}
XElement PresenceTag = new XElement("presence");
PresenceTag.SetAttributeValue("to", From.GetBareJID());
PresenceTag.SetAttributeValue("type", "subscribed");
Uplink.GetNetworkClient().WriteTextToSocket(PresenceTag.ToString());
if (Action == SubscribeResponse.Allow)
{
return;
}
Subscribe(From);
}
public void Unsubscribe(JID To)
{
XElement PresenceTag = new XElement("presence");
PresenceTag.SetAttributeValue("to", To.GetBareJID());
PresenceTag.SetAttributeValue("type", "unsubscribe");
Uplink.GetNetworkClient().WriteTextToSocket(PresenceTag.ToString());
}
private void ProcessLanConnections(object no)
{
while (run)
{
List <DetectedNode> localNodes = peerFinder.Peers.ToList();
foreach (DetectedNode peer in localNodes)
{
if (peer.Address == serverNode.Location)
{
continue;
}
//If not already connected to that peer then connect
if (extOverlordServers.ToList().Where(o => o.Destination.Location == peer.Address).Count() == 0)
{
logger.Debug("Server connecting as client to external overlord at {0}", peer.Address);
var verb = new ConnectVerb();
verb.Address = serverNode.Location;
verb.ClientType = ClientType.Overlord;
verb.Secret = IDService.CreateID();
var uplink = new Uplink(model.LocalNode,
new Node
{
ID = peer.OverlordID,
Location = peer.Address,
NodeType = ClientType.Overlord,
Secret = verb.Secret
});
extOverlordServers.Add(uplink);
var client = new Client(serverNode);
if (client.Execute(verb, peer.Address, 5000))
{
//Connected as client on an external overlord
uplink.OnDisconnect += uplink_OnDisconnect;
uplink.Start();
logger.Debug("Server connected to client to external overlord at {0}", peer.Address);
break;
}
else
{
//Failed to connect ot the external overlord
logger.Debug("Server failed to connect to external overlord at {0}", peer.Address);
peerFinder.RemovePeer(peer);
extOverlordServers.Remove(uplink);
}
}
}
Thread.Sleep(3000);
}
}
static void Main(string[] args)
{
// TODO - change with your decryptor
IDecryptor decryptor = null;
var uplink = new Uplink(decryptor);
var results = uplink.Run();
results.ForEach(Console.WriteLine);
Console.WriteLine("\nPress Enter to exit...");
Console.ReadLine();
}
public void UpdateInformation()
{
UplinkMarker uplinkMarker = _uplinkObject.GetComponent <UplinkMarker>();
Uplink uplink = uplinkMarker.uplink;
string text = $"Id: {uplink.id}\n" +
$"Name: {uplink.name}\n" +
$"Org: {uplink.org}\n" +
$"Site: {uplink.site}\n" +
$"WAN: {uplink.wan}\n" +
$"Appliance: {uplink.node}";
TextMesh textMesh = GetComponent <TextMesh>();
textMesh.text = text;
}
public override void Begin()
{
//string Request = MyJID.GetBareJID();
//Request = Convert.ToBase64String(Encoding.UTF8.GetBytes(Request));
// Todo: Check if Subject alt name contains a jid or many, if so we need to set the jid here (Request) otherwise empty (=).
string AuthXML = string.Empty;
AuthXML += "<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='EXTERNAL'>";
AuthXML += "=";
AuthXML += "</auth>";
Uplink.WriteTextToSocket(AuthXML);
}
public override void Begin()
{
SelectedNounce = "arne"; // Guid.NewGuid().ToString();
string Request = "n,,n=" + MyJID.GetUsername() + ",r=" + SelectedNounce;
/*char[] outArray = new char[1024];
* int nrTotal = Convert.ToBase64CharArray(tempbuff, 0, offset, outArray, 0);
* string EncodedResponse = new string(outArray, 0, nrTotal);*/
Request = Convert.ToBase64String(Encoding.UTF8.GetBytes((Request)),
Base64FormattingOptions.None);
string AuthXML = string.Empty;
AuthXML += "<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='SCRAM-SHA-1'>"; // << std::endl;
AuthXML += Request;
AuthXML += "</auth>";
Uplink.WriteTextToSocket(AuthXML);
}
public void OnPointerUp(PointerEventData eventData)
{
// Create uplink if selecting site
if (_stateManager.currentMode != StateManagerMode.Delete)
{
if (_stateManager.currentObjectHover && _stateManager.currentObjectHover.tag == _siteLayer)
{
GameObject currentSite = _stateManager.currentObjectHover;
_uplinks.Add(_currentUplinkCreation);
string siteId = currentSite.GetComponent <SiteMarker>().site.id;
Debug.Log($"Creating uplink {_currentUplinkCreation} from WAN: {wan.id} to site:{siteId}");
_uplinkCreationInProgress = _currentUplinkCreation;
// Create uplink API call
_steelConnect.CreateUplink(wan.id, siteId)
.Then(response => {
Uplink uplinkResponse = JsonUtility.FromJson <Uplink>(response.Text);
Debug.Log($"Uplink created {uplinkResponse.id} from WAN: {wan.id} to site:{siteId}");
UplinkMarker uplinkMarker = _uplinkCreationInProgress.GetComponent <UplinkMarker>();
GameObject line = _uplinkCreationInProgress.transform.Find("Line").gameObject;
line.GetComponent <BoxCollider>().enabled = true;
uplinkMarker.created = true;
uplinkMarker.uplink.id = uplinkResponse.id;
uplinkMarker.uplink.name = uplinkResponse.name;
uplinkMarker.uplink.node = uplinkResponse.node;
uplinkMarker.uplink.org = uplinkResponse.org;
uplinkMarker.uplink.site = uplinkResponse.site;
uplinkMarker.uplink.wan = uplinkResponse.wan;
uplinkMarker.UpdateInformation();
uplinkMarker.wan = gameObject;
uplinkMarker.site = currentSite;
_uplinkCreationInProgress.transform.parent = uplinks.transform;
_uplinkCreationInProgress = null;
});
}
else
{
Destroy(_currentUplinkCreation);
}
_currentUplinkCreation = null;
}
}
public override void Begin()
{
string ManagedString_authid = MyJID.GetUsername();
string ManagedString_authzid = "";
byte [] tempbuff = new byte[1024];
int offset = 0;
byte[] authzid = Encoding.UTF8.GetBytes(ManagedString_authzid);
byte[] authid = Encoding.UTF8.GetBytes(ManagedString_authid);
byte[] password = Encoding.UTF8.GetBytes(Password);
memcpy(tempbuff, offset, authzid, authzid.Length);
offset += authzid.Length;
tempbuff[offset++] = 0;
memcpy(tempbuff, offset, authid, authid.Length);
offset += authid.Length;
tempbuff[offset++] = 0;
memcpy(tempbuff, offset, password, password.Length);
offset += password.Length;
char[] outArray = new char[1024];
int nrTotal = Convert.ToBase64CharArray(tempbuff, 0, offset, outArray, 0);
string EncodedResponse = new string(outArray, 0, nrTotal);
string AuthXML = string.Empty;
AuthXML += "<auth xmlns='urn:ietf:params:xml:ns:xmpp-sasl' mechanism='PLAIN'>"; // << std::endl;
AuthXML += EncodedResponse;
AuthXML += "</auth>";
//std::string blaha = AuthXML.str();
Uplink.WriteTextToSocket(AuthXML);
}
private void uplink_OnDisconnect(Uplink s)
{
//A remote overlord has disconnected, notify local clients of all associated peering going offline.
lock (sync)
{
logger.Debug("Server had uplink disconnect to {0}", s.Destination.ID);
extOverlordServers.Remove(s);
var verb = new UpdateVerb();
foreach (Node node in externalNodes.ToList())
{
if (node.OverlordID == s.Destination.ID || node.ID == s.Destination.ID)
{
//Check the node isnt now logged on locally
if (connectedClientNodes.Where(n => n.Node.ID == node.ID).Count() > 0)
{
continue;
}
verb.Nodes.Add(new Node {
ID = node.ID, Online = false
});
}
externalNodes.Remove(node);
}
verb.Nodes.Add(new Node {
ID = s.Destination.ID, Online = false
});
NetworkRequest req = verb.CreateRequest();
req.OverlordID = serverNode.ID;
SendToStandardClients(req);
//Remove the overlord itself
if (extOverlordServers.Contains(s))
{
extOverlordServers.Remove(s);
}
}
}
public override void Challenge(XElement Challenge)
{
//string ChallengeBase64 = "cj1hcm5lV21qejZsQkI5ZmxjUWtld09rWnNYQT09LHM9ZEVPaUhHaC9KRVRIc2xKcGZVY2FBZz09LGk9NDA5Ng=="; //Challenge.Value;
string ChallengeBase64 = Challenge.Value;
string DecodedChallenge = Encoding.UTF8.GetString(
Convert.FromBase64String(ChallengeBase64));
string[] SplittedChallenge = DecodedChallenge.Split(',');
Dictionary <string, string> ChallengeMap = new Dictionary <string, string>();
foreach (string str in SplittedChallenge)
{
string[] SplittedSplit = str.Split(new char[] { '=' }, 2);
ChallengeMap[SplittedSplit[0]] = SplittedSplit[1];
}
string r = ChallengeMap["r"];
string s = ChallengeMap["s"];
string i = ChallengeMap["i"];
int NrNrIterations = Convert.ToInt32(i);
string n = MyJID.GetUsername();
byte[] SaltBytes = new byte[1024];
byte[] DecodedS = Convert.FromBase64String(s);
memcpy(SaltBytes, 0, DecodedS, DecodedS.Length);
SaltBytes[DecodedS.Length] = 0;
SaltBytes[DecodedS.Length + 1] = 0;
SaltBytes[DecodedS.Length + 2] = 0;
SaltBytes[DecodedS.Length + 3] = 1;
string c = "biws";
HMACSHA1 hmacFromPassword = new HMACSHA1(Encoding.UTF8.GetBytes(Password));
byte[] Result = hmacFromPassword.ComputeHash(SaltBytes, 0, DecodedS.Length + 4);
byte[] Previous = (byte[])Result.Clone();
for (int j = 1; j < NrNrIterations; j++)
{
byte[] tmp = hmacFromPassword.ComputeHash(Previous);
for (int k = 0; k < tmp.Length; k++)
{
Result[k] = (byte)(Result[k] ^ tmp[k]);
Previous[k] = tmp[k];
}
}
HMACSHA1 hmacFromSaltedPassword = new HMACSHA1(Result);
byte[] ClientKey = hmacFromSaltedPassword.ComputeHash(Encoding.UTF8.GetBytes("Client Key"));
SHA1 hash = SHA1.Create();
byte[] StoredKey = hash.ComputeHash(ClientKey);
string AuthMessage = string.Format("n={0},r={1},{2},c={3},r={4}",
n,
SelectedNounce,
DecodedChallenge,
c,
r);
HMACSHA1 hmacFromStoredKey = new HMACSHA1(StoredKey);
byte[] ClientSignature = hmacFromStoredKey.ComputeHash(Encoding.UTF8.GetBytes(AuthMessage));
byte[] ClientProof = new byte[ClientSignature.Length];
for (int k = 0; k < ClientSignature.Length; k++)
{
ClientProof[k] = (byte)(ClientKey[k] ^ ClientSignature[k]);
}
byte[] ServerKey = hmacFromSaltedPassword.ComputeHash(Encoding.UTF8.GetBytes("Server Key"));
HMACSHA1 hmacFromServerKey = new HMACSHA1(ServerKey);
byte[] ServerSignature = hmacFromServerKey.ComputeHash(Encoding.UTF8.GetBytes(AuthMessage));
ServerProof = Convert.ToBase64String(ServerSignature, Base64FormattingOptions.None);
string proof = Convert.ToBase64String(ClientProof, Base64FormattingOptions.None);
string InnerResponse = string.Format("c={0},r={1},p={2}", c, r, proof);
string Base64InnerResponse = Convert.ToBase64String(Encoding.UTF8.GetBytes(InnerResponse));
string Response = string.Format("<response xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>{0}</response>", Base64InnerResponse);
Uplink.WriteTextToSocket(Response);
}
/// <summary>
/// Handle updates from local clients, external overlords and peers on external overlords from their overlord.
/// </summary>
/// <param name="e"></param>
/// <param name="req"></param>
/// <returns></returns>
private bool HandleUpdate(RequestEventArgs e, NetworkRequest req)
{
try
{
var verb = new UpdateVerb();
verb.ProcessRequest(req);
//Ignore updates about ourself
if (verb.Nodes != null && verb.Nodes.Count == 1 && verb.Nodes[0].ID == serverNode.ID)
{
SendResponse(e, null);
return(true);
}
//Is the call from a local client?
ClientStream localClient =
connectedClientNodes.ToList().Where(
n =>
n.Node.ID == req.SourceID && n.Node.Secret == req.AuthKey &&
n.Node.NodeType != ClientType.Overlord).FirstOrDefault();
if (null != localClient)
{
//Only allow updates about itself
Node client = verb.Nodes.Where(n => n.ID == localClient.Node.ID).FirstOrDefault();
if (null != client && verb.Nodes.Count == 1)
{
logger.Trace("Server got update from local client {0}", client.ID);
lock (sync)
{
//Copy to local store
foreach (var value in verb.Nodes[0].Data)
{
localClient.Node.SetData(value.Key, value.Value);
}
req.OverlordID = serverNode.ID;
//Retransmit
SendToOverlordClients(req);
SendToStandardClients(req);
//Has the client disconnected?
if (!localClient.Node.Online)
{
localClient.Kill();
connectedClientNodes.Remove(localClient);
}
}
SendResponse(e, null);
return(true);
}
}
else
{
//Is the update from an external overlord?
Uplink overlord =
extOverlordServers.ToList().Where(
n =>
n.Destination.ID == req.OverlordID && n.Destination.Secret == req.AuthKey &&
n.Destination.NodeType == ClientType.Overlord).FirstOrDefault();
if (null != overlord)
{
logger.Trace("Server got update from external overlord {0}", overlord.Destination.ID);
//Check each update
var nverb = new UpdateVerb();
foreach (Node update in verb.Nodes)
{
if (!string.IsNullOrEmpty(update.ID))
{
//Ignore updates about ourself
if (update.ID == serverNode.ID)
{
continue;
}
lock (sync)
{
//Is the update about the overlord itself?
Uplink osearch =
extOverlordServers.Where(
o => o.Destination.ID == update.ID && o.Destination.Secret == req.AuthKey).
FirstOrDefault();
if (null != osearch)
{
logger.Trace("Server got update from external about itself: {0}",
osearch.Destination.ID);
//Copy to local store
foreach (var value in update.Data)
{
osearch.Destination.SetData(value.Key, value.Value);
}
//Retransmit changes
nverb.Nodes.Add(update);
//Overlord going offline
if (!osearch.Destination.Online)
{
osearch.OnDisconnect -= uplink_OnDisconnect;
osearch.Kill();
//Remove associated external nodes
foreach (Node enode in externalNodes.ToList())
{
if (enode.OverlordID == osearch.Destination.OverlordID)
{
externalNodes.Remove(enode);
//Only signal disconnect is the node isnt a local node
//I.e. they connected locally without disconnecting externally.
ClientStream search =
connectedClientNodes.Where(n => n.Node.ID == enode.ID).
FirstOrDefault();
if (null == search)
{
//The node isn't connected locally, is it connected elsewhere externally?
Node bestExternal =
externalNodes.ToList().Where(n => n.ID == enode.ID).
OrderByDescending(n => n.LastUpdate).FirstOrDefault();
if (null != bestExternal)
{
//User has logged on elsewhere, update local clients of new details
nverb.Nodes.Add(bestExternal);
}
else
{
nverb.Nodes.Add(new Node {
ID = enode.ID, Online = false
});
}
}
}
}
}
}
else
{
logger.Trace("Server got update from external server about : {0}", update.ID);
//Check to see if the external node is connected locally, if so then dont retransmit changes but store changes under the relevant object
ClientStream localNode =
connectedClientNodes.Where(n => n.Node.ID == update.ID).FirstOrDefault();
//Update about an external node from an external overlord
Node search =
externalNodes.Where(n => n.ID == update.ID && n.OverlordID == req.OverlordID)
.FirstOrDefault();
if (null == search)
{
if (!string.IsNullOrEmpty(update.ID))
{
//New external node
search = new Node();
//Copy to local store
foreach (var value in update.Data)
{
search.SetData(value.Key, value.Value);
}
search.OverlordID = req.OverlordID;
externalNodes.Add(search);
//Dont retransmit external node as it is local
if (null == localNode)
{
nverb.Nodes.Add(update);
}
}
}
else
{
//Copy to local store
foreach (var value in update.Data)
{
search.SetData(value.Key, value.Value);
}
//Has the external node changed to a different overlord?
if (search.OverlordID != req.OverlordID)
{
search.OverlordID = req.OverlordID;
update.OverlordID = req.OverlordID;
}
//Dont retransmit external node as it is local
if (null == localNode)
{
//Retransmit changes
nverb.Nodes.Add(update);
}
}
}
}
}
}
//Only transmit external node info to local clients
if (nverb.Nodes.Count > 0)
{
NetworkRequest nreq = nverb.CreateRequest();
nreq.OverlordID = req.OverlordID;
SendToStandardClients(nreq);
}
SendResponse(e, null);
return(true);
}
}
}
catch
{
}
logger.Debug("Server received an invalid update");
SendError(e);
return(false);
}
