public static Func <IHttpHeaders, IHttpContext, Task <JObject> > Get(Configuration config, Game.GameServer gameServer)
{
return(async(headers, context) =>
{
var result = new JObject();
var name = headers.GetByName("name");
var guid = headers.GetByName("guid");
string protocol = null;
headers.TryGetByName("protocol", out protocol);
if (string.IsNullOrEmpty(name) || string.IsNullOrEmpty(guid))
{
result["error"] = "fields missing";
return result;
}
if (string.IsNullOrEmpty(protocol))
{
protocol = "1";
}
// check the protocol version
uint protocolNum;
if (!uint.TryParse(protocol, out protocolNum))
{
result["error"] = "invalid protocol version";
return result;
}
if (config.Imports != null && config.Imports.Count > 0)
{
if (protocolNum < 2)
{
result["error"] = "Your client is too old to support imported resources. Please update to a cleanliness client or higher.";
return result;
}
}
IEnumerable <string> clientIdentifiers;
// authentication
if (!gameServer.Configuration.DisableAuth)
{
string authTicket;
if (!headers.TryGetByName("authTicket", out authTicket))
{
result["authID"] = gameServer.PlatformClient.LoginId;
return result;
}
var validationAddress = ((IPEndPoint)context.RemoteEndPoint).Address;
if (validationAddress.AddressFamily == System.Net.Sockets.AddressFamily.InterNetworkV6)
{
validationAddress = IPAddress.Parse("192.168.1.1"); // as these are whitelisted in NP code
}
var authResult = await gameServer.PlatformClient.ValidateTicket(validationAddress, ulong.Parse(guid), new NPSharp.RPC.Messages.Data.Ticket(Convert.FromBase64String(authTicket)));
if (!authResult.IsValid)
{
result["error"] = "Invalid NPID sent.";
return result;
}
clientIdentifiers = authResult.Identifiers;
}
else
{
// as there's no other authentication source, we'd guess
clientIdentifiers = new[] { string.Format("ip:{0}", ((IPEndPoint)context.RemoteEndPoint).Address) };
}
var client = new Client();
client.Token = TokenGenerator.GenerateToken();
client.Name = name;
client.Guid = ulong.Parse(guid).ToString("x16");
client.Identifiers = clientIdentifiers;
client.ProtocolVersion = protocolNum;
client.Touch();
if (ClientInstances.Clients.ContainsKey(guid))
{
gameServer.DropClient(ClientInstances.Clients[guid], "Duplicate GUID");
}
ClientInstances.AddClient(client);
result["token"] = client.Token;
result["protocol"] = Game.GameServer.PROTOCOL_VERSION;
return result;
});
}
public static Func <IHttpHeaders, IHttpContext, Task <JObject> > Get(Configuration config, Game.GameServer gameServer)
{
return(async(headers, context) =>
{
var result = new JObject();
var name = headers.GetByName("name");
var guid = headers.GetByName("guid");
string protocol = null;
headers.TryGetByName("protocol", out protocol);
if (string.IsNullOrEmpty(name) || string.IsNullOrEmpty(guid))
{
result["error"] = "fields missing";
return result;
}
if (string.IsNullOrEmpty(protocol))
{
protocol = "1";
}
// check the protocol version
uint protocolNum;
if (!uint.TryParse(protocol, out protocolNum))
{
result["error"] = "invalid protocol version";
return result;
}
if (config.Imports != null && config.Imports.Count > 0)
{
if (protocolNum < 2)
{
result["error"] = "Your client is too old to support imported resources. Please update to a cleanliness client or higher.";
return result;
}
}
IEnumerable <string> clientIdentifiers;
// authentication
if (!gameServer.Configuration.DisableAuth)
{
try
{ string authTicket;
if (!headers.TryGetByName("authTicket", out authTicket))
{
result["authID"] = (0x110000100000001).ToString();
return result;
}
var validationAddress = ((IPEndPoint)context.RemoteEndPoint).Address;
if (validationAddress.AddressFamily == System.Net.Sockets.AddressFamily.InterNetworkV6)
{
validationAddress = IPAddress.Parse("192.168.1.1"); // as these are whitelisted in NP code
}
// create a request
var httpClient = HttpWebRequest.CreateHttp(string.Format("http://37.46.132.72:3036/ticket/validate"));
httpClient.Method = "POST";
httpClient.ContentType = "application/json";
// get the request stream
var requestStream = await httpClient.GetRequestStreamAsync();
// create the request object
var requestObject = new JObject();
requestObject["npid"] = "0x" + long.Parse(guid).ToString("X16");
requestObject["clientIP"] = validationAddress.ToString();
requestObject["ticket"] = authTicket;
// write the encoded object
var writer = new StreamWriter(requestStream);
await writer.WriteAsync(requestObject.ToString(Newtonsoft.Json.Formatting.None));
writer.Close();
// get the response from the server
var response = await httpClient.GetResponseAsync();
using (var responseStream = response.GetResponseStream())
{
var reader = new StreamReader(responseStream);
var responseObject = JObject.Parse(await reader.ReadToEndAsync());
if (!responseObject["valid"].Value <bool>())
{
result["error"] = "Platform rejected authentication: " + responseObject["error"].Value <string>();
return result;
}
JToken jsonValue;
try
{
jsonValue = JToken.Parse(responseObject["identifiers"].Value <string>());
}
catch (FileLoadException)
{
result["error"] = "Failed to parse identifier string.";
return result;
}
var identifiers = new List <string>();
if (jsonValue.Type == JTokenType.Array)
{
var array = (JArray)jsonValue;
foreach (var identifierToken in array.Children())
{
if (identifierToken.Type == JTokenType.Array)
{
var identifierArray = (JArray)identifierToken;
identifiers.Add(string.Format("{0}:{1}", identifierArray[0], identifierArray[1]));
}
}
}
clientIdentifiers = identifiers;
} }
catch (Exception e)
{
result["error"] = "Error during authentication: " + e.Message;
return result;
}
}
else
{
// as there's no other authentication source, we'd guess
clientIdentifiers = new[] { string.Format("ip:{0}", ((IPEndPoint)context.RemoteEndPoint).Address) };
}
// check if we're banned
foreach (var identifier in clientIdentifiers)
{
string reason;
if (gameServer.IsIdentifierBanned(identifier, out reason))
{
result["error"] = "You have been banned from this server. Stated reason: " + reason;
return result;
}
}
var client = new Client();
client.Token = TokenGenerator.GenerateToken();
client.Name = name;
client.Guid = ulong.Parse(guid).ToString("x16");
client.Identifiers = clientIdentifiers;
client.ProtocolVersion = protocolNum;
client.Touch();
if (ClientInstances.Clients.ContainsKey(guid))
{
gameServer.DropClient(ClientInstances.Clients[guid], "Duplicate GUID");
}
ClientInstances.AddClient(client);
// check if resources have anything against this client
{
string reason = "Resource prevented connection.";
Action <string> setCallback = reasonString => reason = reasonString;
if (!gameServer.ResourceManager.TriggerEvent("playerConnecting", client.NetID, client.Name, setCallback))
{
// remove the client again
ClientInstances.RemoveClient(client);
// and return with this error
result["error"] = reason;
return result;
}
}
result["token"] = client.Token;
result["protocol"] = Game.GameServer.PROTOCOL_VERSION;
return result;
});
}