OpenSimMirror/OpenSim.RegionServer/UserServer/LoginServer.cs

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2007-03-22 10:11:15 +00:00
/*
* Copyright (c) OpenSim project, http://sim.opensecondlife.org/
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the <organization> nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY <copyright holder> ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
using Nwc.XmlRpc;
using System;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading;
using System.Collections;
using System.Security.Cryptography;
using System.Xml;
using libsecondlife;
using OpenSim;
using OpenSim.Framework.Interfaces;
using OpenSim.Framework.Grid;
using OpenSim.Framework.Inventory;
using OpenSim.Framework.User;
using OpenSim.Framework.Utilities;
namespace OpenSim.UserServer
{
/// <summary>
/// When running in local (default) mode , handles client logins.
/// </summary>
public class LoginServer : LoginService , IUserServer
{
private IGridServer _gridServer;
private ushort _loginPort = 8080;
public IPAddress clientAddress = IPAddress.Loopback;
public IPAddress remoteAddress = IPAddress.Any;
private Socket loginServer;
private int NumClients;
private string _defaultResponse;
private bool userAccounts = false;
private string _mpasswd;
private bool _needPasswd = false;
private LocalUserProfileManager userManager;
public LoginServer(IGridServer gridServer)
{
_gridServer = gridServer;
}
// InitializeLogin: initialize the login
private void InitializeLogin()
{
this._needPasswd = false;
//read in default response string
StreamReader SR;
string lines;
SR = File.OpenText("new-login.dat");
//lines=SR.ReadLine();
while (!SR.EndOfStream)
{
lines = SR.ReadLine();
_defaultResponse += lines;
//lines = SR.ReadLine();
}
SR.Close();
this._mpasswd = EncodePassword("testpass");
userManager = new LocalUserProfileManager(this._gridServer);
userManager.InitUserProfiles();
userManager.SetKeys("", "", "", "Welcome to OpenSim");
loginServer = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
loginServer.Bind(new IPEndPoint(remoteAddress, _loginPort));
loginServer.Listen(1);
}
public void Startup()
{
this.InitializeLogin();
Thread runLoginProxy = new Thread(new ThreadStart(RunLogin));
runLoginProxy.IsBackground = true;
runLoginProxy.Start();
}
private void RunLogin()
{
Console.WriteLine("Starting Login Server");
try
{
for (; ; )
{
Socket client = loginServer.Accept();
IPEndPoint clientEndPoint = (IPEndPoint)client.RemoteEndPoint;
NetworkStream networkStream = new NetworkStream(client);
StreamReader networkReader = new StreamReader(networkStream);
StreamWriter networkWriter = new StreamWriter(networkStream);
try
{
LoginRequest(networkReader, networkWriter);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
networkWriter.Close();
networkReader.Close();
networkStream.Close();
client.Close();
// send any packets queued for injection
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Console.WriteLine(e.StackTrace);
}
}
// ProxyLogin: proxy a login request
private void LoginRequest(StreamReader reader, StreamWriter writer)
{
lock (this)
{
string line;
int contentLength = 0;
// read HTTP header
do
{
// read one line of the header
line = reader.ReadLine();
// check for premature EOF
if (line == null)
throw new Exception("EOF in client HTTP header");
// look for Content-Length
Match match = (new Regex(@"Content-Length: (\d+)$")).Match(line);
if (match.Success)
contentLength = Convert.ToInt32(match.Groups[1].Captures[0].ToString());
} while (line != "");
// read the HTTP body into a buffer
char[] content = new char[contentLength];
reader.Read(content, 0, contentLength);
if (this.userAccounts)
{
//ask the UserProfile Manager to process the request
string reply = this.userManager.ParseXMLRPC(new String(content));
// forward the XML-RPC response to the client
writer.WriteLine("HTTP/1.0 200 OK");
writer.WriteLine("Content-type: text/xml");
writer.WriteLine();
writer.WriteLine(reply);
}
else
{
//handle ourselves
XmlRpcRequest request = (XmlRpcRequest)(new XmlRpcRequestDeserializer()).Deserialize(new String(content));
if (request.MethodName == "login_to_simulator")
{
this.ProcessXmlRequest(request, writer);
}
else
{
XmlRpcResponse PresenceErrorResp = new XmlRpcResponse();
Hashtable PresenceErrorRespData = new Hashtable();
PresenceErrorRespData["reason"] = "XmlRequest"; ;
PresenceErrorRespData["message"] = "Unknown Rpc request";
PresenceErrorRespData["login"] = "false";
PresenceErrorResp.Value = PresenceErrorRespData;
string reply = Regex.Replace(XmlRpcResponseSerializer.Singleton.Serialize(PresenceErrorResp), " encoding=\"utf-16\"", "");
writer.WriteLine("HTTP/1.0 200 OK");
writer.WriteLine("Content-type: text/xml");
writer.WriteLine();
writer.WriteLine(reply);
}
}
}
}
public bool ProcessXmlRequest(XmlRpcRequest request, StreamWriter writer)
{
Hashtable requestData = (Hashtable)request.Params[0];
string first;
string last;
string passwd;
LLUUID Agent;
LLUUID Session;
//get login name
if (requestData.Contains("first"))
{
first = (string)requestData["first"];
}
else
{
first = "test";
}
if (requestData.Contains("last"))
{
last = (string)requestData["last"];
}
else
{
last = "User" + NumClients.ToString();
}
if (requestData.Contains("passwd"))
{
passwd = (string)requestData["passwd"];
}
else
{
passwd = "notfound";
}
if (!Authenticate(first, last, passwd))
{
XmlRpcResponse PresenceErrorResp = new XmlRpcResponse();
Hashtable PresenceErrorRespData = new Hashtable();
PresenceErrorRespData["reason"] = "key"; ;
PresenceErrorRespData["message"] = "You have entered an invalid name/password combination. Check Caps/lock.";
PresenceErrorRespData["login"] = "false";
PresenceErrorResp.Value = PresenceErrorRespData;
string reply = Regex.Replace(XmlRpcResponseSerializer.Singleton.Serialize(PresenceErrorResp), " encoding=\"utf-16\"", "");
writer.WriteLine("HTTP/1.0 200 OK");
writer.WriteLine("Content-type: text/xml");
writer.WriteLine();
writer.WriteLine(reply);
return false;
}
NumClients++;
//create a agent and session LLUUID
Agent = GetAgentId(first, last);
int SessionRand = Util.RandomClass.Next(1, 999);
Session = new LLUUID("aaaabbbb-0200-" + SessionRand.ToString("0000") + "-8664-58f53e442797");
LLUUID secureSess = LLUUID.Random();
//create some login info
Hashtable LoginFlagsHash = new Hashtable();
LoginFlagsHash["daylight_savings"] = "N";
LoginFlagsHash["stipend_since_login"] = "N";
LoginFlagsHash["gendered"] = "Y";
LoginFlagsHash["ever_logged_in"] = "Y";
ArrayList LoginFlags = new ArrayList();
LoginFlags.Add(LoginFlagsHash);
Hashtable GlobalT = new Hashtable();
GlobalT["sun_texture_id"] = "cce0f112-878f-4586-a2e2-a8f104bba271";
GlobalT["cloud_texture_id"] = "fc4b9f0b-d008-45c6-96a4-01dd947ac621";
GlobalT["moon_texture_id"] = "fc4b9f0b-d008-45c6-96a4-01dd947ac621";
ArrayList GlobalTextures = new ArrayList();
GlobalTextures.Add(GlobalT);
XmlRpcResponse response = (XmlRpcResponse)(new XmlRpcResponseDeserializer()).Deserialize(this._defaultResponse);
Hashtable responseData = (Hashtable)response.Value;
responseData["sim_port"] = OpenSimRoot.Instance.Cfg.IPListenPort;
responseData["sim_ip"] = OpenSimRoot.Instance.Cfg.IPListenAddr;
responseData["agent_id"] = Agent.ToStringHyphenated();
responseData["session_id"] = Session.ToStringHyphenated();
responseData["secure_session_id"]= secureSess.ToStringHyphenated();
responseData["circuit_code"] = (Int32)(Util.RandomClass.Next());
responseData["seconds_since_epoch"] = (Int32)(DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalSeconds;
responseData["login-flags"] = LoginFlags;
responseData["global-textures"] = GlobalTextures;
//inventory
ArrayList InventoryList = (ArrayList)responseData["inventory-skeleton"];
Hashtable Inventory1 = (Hashtable)InventoryList[0];
Hashtable Inventory2 = (Hashtable)InventoryList[1];
LLUUID BaseFolderID = LLUUID.Random();
LLUUID InventoryFolderID = LLUUID.Random();
Inventory2["name"] = "Base";
Inventory2["folder_id"] = BaseFolderID.ToStringHyphenated();
Inventory2["type_default"] = 0;
Inventory1["folder_id"] = InventoryFolderID.ToStringHyphenated();
ArrayList InventoryRoot = (ArrayList)responseData["inventory-root"];
Hashtable Inventoryroot = (Hashtable)InventoryRoot[0];
Inventoryroot["folder_id"] = InventoryFolderID.ToStringHyphenated();
CustomiseLoginResponse(responseData, first, last);
Login _login = new Login();
//copy data to login object
_login.First = first;
_login.Last = last;
_login.Agent = Agent;
_login.Session = Session;
_login.SecureSession = secureSess;
_login.BaseFolder = BaseFolderID;
_login.InventoryFolder = InventoryFolderID;
//working on local computer if so lets add to the gridserver's list of sessions?
if (OpenSimRoot.Instance.GridServers.GridServer.GetName() == "Local")
{
((LocalGridBase)this._gridServer).AddNewSession(_login);
}
// forward the XML-RPC response to the client
writer.WriteLine("HTTP/1.0 200 OK");
writer.WriteLine("Content-type: text/xml");
writer.WriteLine();
XmlTextWriter responseWriter = new XmlTextWriter(writer);
XmlRpcResponseSerializer.Singleton.Serialize(responseWriter, response);
responseWriter.Close();
return true;
}
protected virtual void CustomiseLoginResponse(Hashtable responseData, string first, string last)
{
}
protected virtual LLUUID GetAgentId(string firstName, string lastName)
{
LLUUID Agent;
int AgentRand = Util.RandomClass.Next(1, 9999);
Agent = new LLUUID("99998888-0100-" + AgentRand.ToString("0000") + "-8ec1-0b1d5cd6aead");
return Agent;
}
protected virtual bool Authenticate(string first, string last, string passwd)
{
if (this._needPasswd)
{
//every user needs the password to login
string encodedPass = passwd.Remove(0, 3); //remove $1$
if (encodedPass == this._mpasswd)
{
return true;
}
else
{
return false;
}
}
else
{
//do not need password to login
return true;
}
}
private static string EncodePassword(string passwd)
{
Byte[] originalBytes;
Byte[] encodedBytes;
MD5 md5;
md5 = new MD5CryptoServiceProvider();
originalBytes = ASCIIEncoding.Default.GetBytes(passwd);
encodedBytes = md5.ComputeHash(originalBytes);
return Regex.Replace(BitConverter.ToString(encodedBytes), "-", "").ToLower();
}
//IUserServer implementation
public AgentInventory RequestAgentsInventory(LLUUID agentID)
{
AgentInventory aInventory = null;
if (this.userAccounts)
{
aInventory = this.userManager.GetUsersInventory(agentID);
}
return aInventory;
}
public void SetServerInfo(string ServerUrl, string SendKey, string RecvKey)
{
}
}
}