209 lines
9.1 KiB
C#
209 lines
9.1 KiB
C#
/*
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* Copyright (c) Contributors, http://opensimulator.org/
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* See CONTRIBUTORS.TXT for a full list of copyright holders.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of the OpenSimulator Project nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Reflection;
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using System.Net;
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using Nini.Config;
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using OpenSim.Framework;
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using OpenSim.Server.Base;
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using OpenSim.Services.Interfaces;
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using OpenSim.Framework.Servers.HttpServer;
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using OpenSim.Server.Handlers.Base;
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using GridRegion = OpenSim.Services.Interfaces.GridRegion;
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using OpenMetaverse;
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using log4net;
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using Nwc.XmlRpc;
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namespace OpenSim.Server.Handlers.Grid
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{
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public class HypergridServiceInConnector : ServiceConnector
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{
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private static readonly ILog m_log =
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LogManager.GetLogger(
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MethodBase.GetCurrentMethod().DeclaringType);
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private List<GridRegion> m_RegionsOnSim = new List<GridRegion>();
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private IHyperlinkService m_HyperlinkService;
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public HypergridServiceInConnector(IConfigSource config, IHttpServer server, IHyperlinkService hyperService) :
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base(config, server)
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{
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m_HyperlinkService = hyperService;
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server.AddXmlRPCHandler("link_region", LinkRegionRequest, false);
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server.AddXmlRPCHandler("expect_hg_user", ExpectHGUser, false);
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}
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public void AddRegion(GridRegion rinfo)
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{
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m_RegionsOnSim.Add(rinfo);
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}
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public void RemoveRegion(GridRegion rinfo)
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{
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if (m_RegionsOnSim.Contains(rinfo))
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m_RegionsOnSim.Remove(rinfo);
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}
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/// <summary>
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/// Someone wants to link to us
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/// </summary>
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/// <param name="request"></param>
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/// <returns></returns>
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public XmlRpcResponse LinkRegionRequest(XmlRpcRequest request, IPEndPoint remoteClient)
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{
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Hashtable requestData = (Hashtable)request.Params[0];
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//string host = (string)requestData["host"];
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//string portstr = (string)requestData["port"];
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string name = (string)requestData["region_name"];
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m_log.DebugFormat("[HGrid]: Hyperlink request");
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GridRegion regInfo = null;
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foreach (GridRegion r in m_RegionsOnSim)
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{
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if ((r.RegionName != null) && (name != null) && (r.RegionName.ToLower() == name.ToLower()))
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{
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regInfo = r;
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break;
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}
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}
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if (regInfo == null)
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regInfo = m_RegionsOnSim[0]; // Send out the first region
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Hashtable hash = new Hashtable();
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hash["uuid"] = regInfo.RegionID.ToString();
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m_log.Debug(">> Here " + regInfo.RegionID);
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hash["handle"] = regInfo.RegionHandle.ToString();
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hash["region_image"] = regInfo.TerrainImage.ToString();
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hash["region_name"] = regInfo.RegionName;
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hash["internal_port"] = regInfo.InternalEndPoint.Port.ToString();
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//m_log.Debug(">> Here: " + regInfo.InternalEndPoint.Port);
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XmlRpcResponse response = new XmlRpcResponse();
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response.Value = hash;
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return response;
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}
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/// <summary>
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/// Received from other HGrid nodes when a user wants to teleport here. This call allows
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/// the region to prepare for direct communication from the client. Sends back an empty
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/// xmlrpc response on completion.
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/// This is somewhat similar to OGS1's ExpectUser, but with the additional task of
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/// registering the user in the local user cache.
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/// </summary>
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/// <param name="request"></param>
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/// <returns></returns>
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public XmlRpcResponse ExpectHGUser(XmlRpcRequest request, IPEndPoint remoteClient)
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{
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Hashtable requestData = (Hashtable)request.Params[0];
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ForeignUserProfileData userData = new ForeignUserProfileData();
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userData.FirstName = (string)requestData["firstname"];
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userData.SurName = (string)requestData["lastname"];
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userData.ID = new UUID((string)requestData["agent_id"]);
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UUID sessionID = new UUID((string)requestData["session_id"]);
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userData.HomeLocation = new Vector3((float)Convert.ToDecimal((string)requestData["startpos_x"]),
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(float)Convert.ToDecimal((string)requestData["startpos_y"]),
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(float)Convert.ToDecimal((string)requestData["startpos_z"]));
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userData.UserServerURI = (string)requestData["userserver_id"];
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userData.UserAssetURI = (string)requestData["assetserver_id"];
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userData.UserInventoryURI = (string)requestData["inventoryserver_id"];
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m_log.DebugFormat("[HGrid]: Prepare for connection from {0} {1} (@{2}) UUID={3}",
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userData.FirstName, userData.SurName, userData.UserServerURI, userData.ID);
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ulong userRegionHandle = 0;
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int userhomeinternalport = 0;
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if (requestData.ContainsKey("region_uuid"))
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{
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UUID uuid = UUID.Zero;
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UUID.TryParse((string)requestData["region_uuid"], out uuid);
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userData.HomeRegionID = uuid;
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userRegionHandle = Convert.ToUInt64((string)requestData["regionhandle"]);
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userData.UserHomeAddress = (string)requestData["home_address"];
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userData.UserHomePort = (string)requestData["home_port"];
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userhomeinternalport = Convert.ToInt32((string)requestData["internal_port"]);
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m_log.Debug("[HGrid]: home_address: " + userData.UserHomeAddress +
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"; home_port: " + userData.UserHomePort);
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}
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else
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m_log.WarnFormat("[HGrid]: User has no home region information");
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XmlRpcResponse resp = new XmlRpcResponse();
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// Let's check if someone is trying to get in with a stolen local identity.
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// The need for this test is a consequence of not having truly global names :-/
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bool comingHome = false;
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if (m_HyperlinkService.CheckUserAtEntry(userData.ID, sessionID, out comingHome) == false)
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{
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m_log.WarnFormat("[HGrid]: Access denied to foreign user.");
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Hashtable respdata = new Hashtable();
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respdata["success"] = "FALSE";
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respdata["reason"] = "Foreign user has the same ID as a local user, or logins disabled.";
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resp.Value = respdata;
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return resp;
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}
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// Finally, everything looks ok
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//m_log.Debug("XXX---- EVERYTHING OK ---XXX");
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if (!comingHome)
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{
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// We don't do this if the user is coming to the home grid
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GridRegion home = new GridRegion();
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home.RegionID = userData.HomeRegionID;
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home.ExternalHostName = userData.UserHomeAddress;
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home.HttpPort = Convert.ToUInt32(userData.UserHomePort);
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uint x = 0, y = 0;
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Utils.LongToUInts(userRegionHandle, out x, out y);
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home.RegionLocX = (int)x;
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home.RegionLocY = (int)y;
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home.InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), (int)userhomeinternalport);
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m_HyperlinkService.AcceptUser(userData, home);
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}
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// else the user is coming to a non-home region of the home grid
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// We simply drop this user information altogether
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Hashtable respdata2 = new Hashtable();
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respdata2["success"] = "TRUE";
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resp.Value = respdata2;
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return resp;
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}
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}
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}
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