void GetIP(ServerMessage request)
{
if (!CheckLogin(clientStream))
{
return;
}
var other = ((UsernameRequest)request).Username;
if (!s.Db.HasContact(loggedIn, other))
{
SingleResponse.Send(clientStream, ServerMessageType.NotPermitted,
"You and " + other + " don't share a contact");
return;
}
var ips = s.IpManager.GetIPs(other);
var list = new List <ClientAddress>();
for (int i = 0; i < ips.Count; i++)
{
ushort port;
if (s.HolePunchServer.GetSourcePort(ips[i], sessionKey, out port))
{
list.Add(new ClientAddress(ips[i], port));
}
}
if (list.Count <= 0)
{
SingleResponse.Send(clientStream, ServerMessageType.Fail,
other + " isn't logged in");
return;
}
SendIPs.Send(clientStream, list);
}
void Login(ServerMessage request)
{
if (loggedIn != null)
{
SingleResponse.Send(clientStream, ServerMessageType.Fail,
"You're already logged in");
return;
}
var login = (LoginRequest)request;
if (!s.Db.AuthenticateUser(login.Username, login.Password))
{
SingleResponse.Send(clientStream, ServerMessageType.AuthenticationError,
"The username or password provided was incorrect");
return;
}
loggedIn = login.Username;
currentPermissions = s.Db.GetPermissions(loggedIn);
var maxIPcount = s.Permissions.MaxConcurrentIPs(currentPermissions);
if (!s.IpManager.AddIP(loggedIn, ip, maxIPcount))
{
SingleResponse.Send(clientStream, ServerMessageType.NotPermitted,
"You're logged into too many devices. The most your account level allows is "
+ maxIPcount);
return;
}
sessionKey = s.HolePunchServer.Add(ip);
LoginSuccess.Send(clientStream, sessionKey);
}
bool CheckLogin(StreamWrapper clientStream)
{
if (loggedIn == null)
{
SingleResponse.Send(clientStream, ServerMessageType.AuthenticationError,
"You aren't logged in");
return(false);
}
return(true);
}
void GetPublicKey(ServerMessage request)
{
var req = (UsernameRequest)request;
var key = s.Db.GetPublicKey(req.Username);
if (key == null)
{
SingleResponse.Send(clientStream, ServerMessageType.Fail,
"No key information found");
}
else
{
IncomingKey.Send(clientStream, key);
}
}
protected void HandleMessage(ServerMessage message)
{
MessageHandler handle;
lock (handlers)
handle = handlers[(byte)message.Type];
if (handle == null)
{
SingleResponse.Send(clientStream, ServerMessageType.Fail,
"Unknown command");
}
else
{
handle(this, message);
}
}
void SendContact(ServerMessage request)
{
if (!CheckLogin(clientStream))
{
return;
}
var req = (ContactRequest)request;
if (!s.Db.SendContact(loggedIn, req.Username, req.Message))
{
SingleResponse.Send(clientStream, ServerMessageType.Fail,
"The contact already exists");
return;
}
ServerMessage.Success(clientStream);
}
void GetPrivateKey(ServerMessage request)
{
if (!CheckLogin(clientStream))
{
return;
}
var req = (UsernameRequest)request;
var key = s.Db.GetPrivateKey(loggedIn, req.Username);
if (key == null)
{
SingleResponse.Send(clientStream, ServerMessageType.Fail,
"No key information found");
}
else
{
IncomingKey.Send(clientStream, key);
}
}