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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* 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 OpenSimulator Project 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 THE DEVELOPERS ``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 THE CONTRIBUTORS 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 System;
using System.Collections;
using System.IO;
using System.Reflection;
using System.Net;
using System.Text;
using OpenSim.Server.Base;
using OpenSim.Server.Handlers.Base;
using OpenSim.Services.Interfaces;
using GridRegion = OpenSim.Services.Interfaces.GridRegion;
using OpenSim.Framework;
using OpenSim.Framework.Servers.HttpServer;
using OpenSim.Server.Handlers.Simulation;
using Utils = OpenSim.Server.Handlers.Simulation.Utils;
using OpenMetaverse;
using OpenMetaverse.StructuredData;
using Nini.Config;
using log4net;
namespace OpenSim.Server.Handlers.Hypergrid
{
public class HomeAgentHandler
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
private IUserAgentService m_UserAgentService;
private string m_LoginServerIP;
public HomeAgentHandler(IUserAgentService userAgentService, string loginServerIP)
{
m_UserAgentService = userAgentService;
m_LoginServerIP = loginServerIP;
}
public Hashtable Handler(Hashtable request)
{
// m_log.Debug("[CONNECTION DEBUGGING]: HomeAgentHandler Called");
//
// m_log.Debug("---------------------------");
// m_log.Debug(" >> uri=" + request["uri"]);
// m_log.Debug(" >> content-type=" + request["content-type"]);
// m_log.Debug(" >> http-method=" + request["http-method"]);
// m_log.Debug("---------------------------\n");
Hashtable responsedata = new Hashtable();
responsedata["content_type"] = "text/html";
responsedata["keepalive"] = false;
UUID agentID;
UUID regionID;
string action;
if (!Utils.GetParams((string)request["uri"], out agentID, out regionID, out action))
{
m_log.InfoFormat("[HOME AGENT HANDLER]: Invalid parameters for agent message {0}", request["uri"]);
responsedata["int_response_code"] = 404;
responsedata["str_response_string"] = "false";
return responsedata;
}
// Next, let's parse the verb
string method = (string)request["http-method"];
if (method.Equals("POST"))
{
DoAgentPost(request, responsedata, agentID);
return responsedata;
}
else
{
m_log.InfoFormat("[HOME AGENT HANDLER]: method {0} not supported in agent message", method);
responsedata["int_response_code"] = HttpStatusCode.MethodNotAllowed;
responsedata["str_response_string"] = "Method not allowed";
return responsedata;
}
}
protected void DoAgentPost(Hashtable request, Hashtable responsedata, UUID id)
{
OSDMap args = Utils.GetOSDMap((string)request["body"]);
if (args == null)
{
responsedata["int_response_code"] = HttpStatusCode.BadRequest;
responsedata["str_response_string"] = "Bad request";
return;
}
// retrieve the input arguments
int x = 0, y = 0;
UUID uuid = UUID.Zero;
string regionname = string.Empty;
string gatekeeper_host = string.Empty;
int gatekeeper_port = 0;
IPEndPoint client_ipaddress = null;
if (args.ContainsKey("gatekeeper_host") && args["gatekeeper_host"] != null)
gatekeeper_host = args["gatekeeper_host"].AsString();
if (args.ContainsKey("gatekeeper_port") && args["gatekeeper_port"] != null)
Int32.TryParse(args["gatekeeper_port"].AsString(), out gatekeeper_port);
GridRegion gatekeeper = new GridRegion();
gatekeeper.ExternalHostName = gatekeeper_host;
gatekeeper.HttpPort = (uint)gatekeeper_port;
gatekeeper.InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), 0);
if (args.ContainsKey("destination_x") && args["destination_x"] != null)
Int32.TryParse(args["destination_x"].AsString(), out x);
else
m_log.WarnFormat(" -- request didn't have destination_x");
if (args.ContainsKey("destination_y") && args["destination_y"] != null)
Int32.TryParse(args["destination_y"].AsString(), out y);
else
m_log.WarnFormat(" -- request didn't have destination_y");
if (args.ContainsKey("destination_uuid") && args["destination_uuid"] != null)
UUID.TryParse(args["destination_uuid"].AsString(), out uuid);
if (args.ContainsKey("destination_name") && args["destination_name"] != null)
regionname = args["destination_name"].ToString();
if (args.ContainsKey("client_ip") && args["client_ip"] != null)
{
string ip_str = args["client_ip"].ToString();
try
{
string callerIP = Util.GetCallerIP(request);
// Verify if this caller has authority to send the client IP
if (callerIP == m_LoginServerIP)
client_ipaddress = new IPEndPoint(IPAddress.Parse(ip_str), 0);
else // leaving this for now, but this warning should be removed
m_log.WarnFormat("[HOME AGENT HANDLER]: Unauthorized machine {0} tried to set client ip to {1}", callerIP, ip_str);
}
catch
{
m_log.DebugFormat("[HOME AGENT HANDLER]: Exception parsing client ip address from {0}", ip_str);
}
}
GridRegion destination = new GridRegion();
destination.RegionID = uuid;
destination.RegionLocX = x;
destination.RegionLocY = y;
destination.RegionName = regionname;
AgentCircuitData aCircuit = new AgentCircuitData();
try
{
aCircuit.UnpackAgentCircuitData(args);
}
catch (Exception ex)
{
m_log.InfoFormat("[HOME AGENT HANDLER]: exception on unpacking ChildCreate message {0}", ex.Message);
responsedata["int_response_code"] = HttpStatusCode.BadRequest;
responsedata["str_response_string"] = "Bad request";
return;
}
OSDMap resp = new OSDMap(2);
string reason = String.Empty;
bool result = m_UserAgentService.LoginAgentToGrid(aCircuit, gatekeeper, destination, client_ipaddress, out reason);
resp["reason"] = OSD.FromString(reason);
resp["success"] = OSD.FromBoolean(result);
// TODO: add reason if not String.Empty?
responsedata["int_response_code"] = HttpStatusCode.OK;
responsedata["str_response_string"] = OSDParser.SerializeJsonString(resp);
}
}
}
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